* config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
[official-gcc.git] / gcc / ChangeLog
blob91852b9f225fe40a26fa22a2f7f063dbf493e8e7
1 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
5         * config/bfin/bfin.c: Include "cfglayout.h".
6         (MAX_LSETUP_DISTANCE): New macro.
7         (struct loop_info): New members incoming, incoming_src and
8         incoming_dest.  Delete member predecessor.
9         (length_for_loop): New function.
10         (bfin_optimize_loop): Handle more different loop structures.
11         (bfin_discover_loop): Rework detection of predecessor blocks by
12         examining incoming edges.
13         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
14         bfin_reorg_loops.
15         (bfin_reorder_loops): New function.
16         (bfin_reorg_loops): Use these three new functions.
18         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
19         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
20         (CONSTRAINT_LEN): Add entry for 'q'.
21         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
22         Add 'q' constraints.
23         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
24         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
26         * config/bfin/bfin.md (add_with_carry): New pattern.
27         (s_or_u, su_optab, su_modifier): New code macros/attrs.
28         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
29         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
30         support unsigned multiplies too.  Removed incorrect commutativity from
31         operand 1 constraint where appropriate.
32         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
33         patterns.
34         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
35         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
36         New patterns.
37         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
38         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
39         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
40         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
41         usmulhisi_hh_huh): New patterns.
43         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
44         lshifthi3): Fix output template to use half reg for operand 2.
46 2007-02-27  Andreas Schwab  <schwab@suse.de>
48         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
50 2007-02-27  Jan Hubicka  <jh@suse.cz>
52         * predict.c (last_basic_block_p): Remove.
53         (tree_estimate_probability): Update return heuristic for commonized
54         return blocks.
56 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
58         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
60 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
62         * doc/include/gcc-common.texi (versionsubtitle): New macro.
63         * doc/cpp.texi: Standardize title page.
64         * doc/cppinternals.texi: Likewise.
65         * doc/gcc.texi: Standardize title page, remove version number
66         from copyright page.
67         * doc/gccint.texi: Likewise.
68         * doc/install.texi: Standardize title page, add table of
69         contents.
71 2007-02-26  Jan Hubicka  <jh@suse.cz>
73         * predict.def: Set outcomes according to more recent results.
74         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
75         Remove dead predictors.
76         * predict.c (return_prediction): Fix pasto.
78 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
80         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
81         change; avoid a memory leak when returning early.
82         
83 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
85         * c-decl.c (static_ctors): Move to c-common.c.
86         (static_dtors): Likewise.
87         (finish_function): Use c_record_cdtor_fn.
88         (build_cdtor): Move to c-common.c.
89         (c_write_global_declarations): Use c_build_cdtor_fns.
90         * c-common.h (static_ctors): Declare.
91         (static_dtors): Likewise.
92         (c_record_cdtor_fn): Likewise.
93         (c_build_cdtor_fns): Likewise.
94         * c-common.c (static_ctors): New variable.
95         (static_dtors): Likewise.
96         (c_record_cdtor_fn): New function.
97         (build_cdtor): Move from c-decl.c
98         (c_build_cdtor_fns): New function.
100         * output.h (assemble_addr_to_section): Declare.
101         (get_cdtor_priority_section): Likewise.
102         * varasm.c (assemble_addr_to_section): New function.
103         (get_cdtor_priority_section): Likewise.
104         (default_named_section_asm_out_destructor): Use them.
105         (destor_dtor_section_asm_out_destructor): Likewise.
106         (default_named_section_asm_out_constructor): Likewise.
107         (default_ctor_section_asm_out_constructor): Likewise.
108         * config.gcc (*-*-vxworks*): Include vxworks.o.
109         * config/t-vxworks (vxworks.o): New target.
110         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
111         (TARGET_ASM_CONSTRUCTOR): Define.
112         (TARGET_ASM_DESTRUCTOR): Likewise.
113         (vxworks_asm_out_constructor): Declare.
114         (vxworks_asm_out_destructor): Likewise.
116         * c-common.c (get_priority): Check that we have not just an
117         INTEGER_CST, but an integer constant with integeral type.
119 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
121         PR tree-optimization/30938
122         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
123         use &dt[nargs-1] instead of &dt[nargs] in the call to
124         vect_is_simple_use().
126 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
128         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
129         from register elimination as PRE_MODIFY / POST_MODIFY increments.
130         Do not attempt to handle MEM inside auto-inc expressions.
131         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
132         of a register modified by an auto-inc expression.  However, do handle
133         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
134         (elimination_effects): Prohibit elimination of a register modified
135         by an auto-inc expression.  Disable register elimination rules whose
136         target register is modified by an auto-inc expression with variable
137         increment.
139 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
141         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
142         off-by-one error.
143         (array_at_struct_end_p): New function.
144         (idx_infer_loop_bounds): Use it.
145         (estimate_numbers_of_iterations_loop): Export.
146         * predict.c (predict_loops): Use estimated_loop_iterations_int.
147         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
148         (tree_estimate_probability): Call record_loop_exits.
149         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
150         (estimated_loop_iterations, estimated_loop_iterations_int,
151         estimated_loop_iterations_tree): New functions.
152         (analyze_siv_subscript_cst_affine,
153         compute_overlap_steps_for_affine_1_2,
154         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
155         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
156         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
157         (PRED_LOOP_ITERATIONS_GUESSED): New.
158         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
159         * cfgloop.h (estimate_numbers_of_iterations_loop,
160         estimated_loop_iterations_int): Declare.
162 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
164         * doc/extend.texi: Document optional priority argument to
165         constructors and destructors.
166         * tree.c (init_priority_for_decl): Adjust GTY markers.
167         (init_ttree): Use priority-info hash functions for
168         init_priority_for_decl.
169         (tree_map_eq): Rename to ...
170         (tree_map_base_eq): ... this.
171         (tree_map_marked_p): Rename to ...
172         (tree_map_base_marked_p): ... this.
173         (tree_map_base_hash): New function.
174         (decl_init_priority_lookup): Rework.
175         (decl_fini_priority_lookup): New function.
176         (decl_priority_info): New function.
177         (decl_init_priority_insert): Use it.
178         (decl_fini_priority_insert): Likewise.
179         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
180         hierarchy.
181         (decl_restrict_base_insert): Likewise.
182         (decl_debug_expr_insert): Likewise.
183         (decl_value_expr_lookup): Likewise.
184         (decl_value_expr_insert): Likewise.
185         * tree.h (priority_type): New type.
186         (decl_init_priority_lookup): Use priority_type.
187         (decl_fini_priority_lookup): New function.
188         (decl_init_priority_insert): Use priority_type.
189         (decl_fini_priority_insert): New function.
190         (DECL_HAS_INIT_PRIORITY): Tweak comments.
191         (DECL_INIT_PRIORITY): Likewise.
192         (SET_DECL_INIT_PRIORITY): Add comment.
193         (DECL_FINI_PRIORITY): New macro.
194         (SET_DECL_FINI_PRIORITY): Likewise.
195         (DEFAULT_INIT_PRIORITY): Document.
196         (MAX_INIT_PRIORITY): Likewise.
197         (MAX_RESERVED_INIT_PRIORITY): Likewise.
198         (tree_map_base): New type.
199         (tree_map_base_eq): New function.
200         (tree_map_base_hash): Likewise.
201         (tree_map_base_marked_p): Likewise.
202         (tree_map): Inherit from tree_map_base.
203         (tree_map_eq): Make it a macro.
204         (tree_map_marked_p): Likewise.
205         (tree_int_map): Inherit from tree_map_base.
206         (tree_int_map_eq): Make it a macro.
207         (tree_int_map_hash): Likewise.
208         (tree_int_map_marked_p): Likewise.
209         (tree_priority_map): New type.
210         (tree_priority_map_eq): New macro.
211         (tree_priority_map_hash): Likewise.
212         (tree_priority_map_marked_p): Likewise.
213         * varasm.c (emults_decl): Adjust for refactoring of tree_map
214         hierarchy.
215         (emutls_common_1): Likewise.
216         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
217         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
218         of tree_map hierarchy.
219         * tree-cfg.c (move_stmt_r): Likewise.
220         (new_label_mapper): Likewise.
221         * c-tree.h (c_expand_body): Move to ...
222         * c-common.h (c_expand_body): ... here.
223         * c-decl.c (c_expand_body): Move to ...
224         * c-common.c (c_expand_body): ... here.
225         (c_common_attribute_table): Allow 1 argument for the constructor
226         and destructor attributes.
227         (get_priority): New function.
228         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
229         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
231 2007-02-24  Jan Hubicka  <jh@suse.cz>
233         PR middle-end/30509
234         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
236 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
237             Jan Hubicka  <jh@suse.cz>
239         PR target/30778
240         * i386.c (counter_mode): New function.
241         (expand_set_or_movmem_via_loop): Use it.
242         (expand_movmem_epilogue): Likewise; fix pasto.
243         (ix86_expand_movmem): Do emit guard even for constant counts.
244         (ix86_expand_setmem): Likewise.
246 2007-02-25  Nick Clifton  <nickc@redhat.com>
248         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
249         (JUMP_TABLES_IN_TEXT_SECTION): Define.
251 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
253         PR target/30770
254         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
255         count argument with 0x10, not with 0x16.
256         (expand_setmem_epilogue): Ditto.
258 2007-02-24  Mike Stump  <mrs@apple.com>
260         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
261         symbols.
263 2007-02-24  Richard Guenther  <rguenther@suse.de>
265         PR middle-end/30951
266         * fold-const.c (fold_binary): Fold x +- CST op x for
267         EQ_EXPR and NE_EXPR.
269 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
271         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
273 2007-02-24  Jan Hubicka  <jh@suse.cz>
275         * cgraphunit.c (decide_is_function_needed): Honor
276         -fkeep-inline-functions.
278 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
280         * builtins.c (fold_builtin_modf): New.
281         (fold_builtin_2): Use it.
283 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
285         * loop-iv.c (implies_p): Detect additional cases where A implies B.
286         (determine_max_iter): Take additional LOOP arg; all callers changed.
287         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
288         one using simplifications.
289         (simplify_using_initial_values): Return if the expression becomes
290         invalid due to altered regs.
292 2007-02-23  DJ Delorie  <dj@redhat.com>
294         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
296 2007-02-23  Mike Stump  <mrs@apple.com>
298         * tlink.c (scan_linker_output): Parse linker messages from
299         darwin9's linker better.
301 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
303         PR debug/29614
304         * varpool.c (varpool_assemble_pending_decls):  Set
305         varpool_last_needed_node to null.
307 2007-02-23  DJ Delorie  <dj@redhat.com>
309         * config/i386/i386.c (ix86_data_alignment): Don't specify an
310         alignment bigger than the object file can handle.
312 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
314         PR target/30825
315         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
316         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
317         (*movsf_1): Penalize MMX moves.
319 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
321         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
322         2^32-1 or more times unless flag_unsafe_loop_optimizations.
324         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
326 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
328         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
329         (fold_builtin_1): Use them.
330         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
331         BUILT_IN_SIGNIFICAND.
333 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
335         * config/i386/i386.c (bdesc_1arg): Initialize
336         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
337         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
338         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
339         and IX86_BUILTIN_MOVSLDUP.
341 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
343         PR rtl-optimization/30841
344         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
346 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
348         * builtins.c (fold_builtin_frexp): New.
349         (fold_builtin_2): Use it.
351 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
353         * doc/invoke.texi (Spec Files): Document getenv spec function.
355         * gcc.c (getenv_spec_function): New function.
356         (static_spec_functions): Add it.
357         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
358         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
359         header files.
361 2007-02-22  Michael Matz  <matz@suse.de
363         PR c++/29433
364         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
365         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
367 2007-02-22  Ian Lance Taylor  <iant@google.com>
369         PR debug/30898
370         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
371         (mem_loc_descriptor): Call it.
373 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
374             Ira Rosen  <irar@il.ibm.com>
376         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
378 2007-02-22  Ira Rosen  <irar@il.ibm.com>
380         PR tree-optimization/30843
381         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar 
382         stores only after all the group is vectorized.
384 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
386         PR tree-optimization/30858
387         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
388         in the reduction cycle have a single use in the loop.
389         * tree-vectorizer.h (relevant): Add documentation.
391 2007-02-20  Mike Stump  <mrs@apple.com>
393         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
394         * configure: Regenerate.
396 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
398         Change the defaults of some parameters and options.
399         * config/spu/spu-protos.h (spu_optimization_options): Declare.
400         * config/spu/spu.c (spu_optimization_options): Add.
401         (spu_override_options): Change params in spu_optimization_options.
402         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
404         Register 127 is only 16 byte aligned when used as a frame pointer.
405         * config/spu/spu-protos.h (spu_init_expanders): Declare.
406         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
407         HARD_FRAME_POINTER_REGNUM.
408         (spu_legitimate_address):  Use regno_aligned_for_reload.
409         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
410         aligned when frame_pointer_needed is true.
411         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
412         to 8 bits.
413         * config/spu/spu.h (INIT_EXPANDERS): Define.
415         Make sure shift and rotate instructions have valid immediate operands.
416         * config/spu/predicates.md (spu_shift_operand): Remove.
417         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
418         * config/spu/constraints.md (W, O): Extend range.
419         * config/spu/spu.md (umask, nmask): Define.
420         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
421         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
422         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
423         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
424         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
425         (lshr<mode>3_reg):  Fix rtl description.
427         Make sure mulhisi immediate operands are valid.
428         * config/spu/predicates.md (imm_K_operand): Add.
429         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
431         Generate constants using fsmbi and andi.
432         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
433         (print_operand, spu_split_immediate, classify_immediate,
434         fsmbi_const_p): Handle IC_FSMBI2.
436         Correctly handle a CONST_VECTOR containing symbols.
437         * config/spu/spu.c (print_operand): Handle HIGH correctly.
438         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
439         (immediate_load_p): Allow symbols that use 2 instructions to create.
440         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
441         with symbols when flag_pic is set.
442         (const_vector_immediate_p): New.
443         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
444         accept a CONST_VECTOR with symbols.
445         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
446         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
447         correctly.
448         * config/spu/spu.md (high, low): Delete.
449         (low_<mode>): Define.
451         Remove INTRmode and INTR_REGNUM, which didn't work.
452         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
453         of INTR_REGNUM.
454         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
455         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
456         peephole2 pattern): Don't use INTR or 131.
457         (movintrcc): Delete.
458         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
459         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
460         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
461         (UNSPEC_SET_INTR): Add.
462         * config/spu/spu-modes.def (INTR): Remove.
464         More accurate warnings about run-time relocations.
465         * config/spu/spu.c (reloc_diagnostic): Test in_section.
467         Correctly warn about immediate arguments to specific intrinsics.
468         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
469         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
470         the instruction predicate.
472         Fix tree check errors with latest update.
473         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
474         CALL_EXPR_ARG.
475         (spu_expand_builtin): Use CALL_EXPR_FN.
477         Add missing specific intrinsics.
478         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
479         si_bislede.
480         * config/spu/spu_internals.h: Ditto.
482         Fix incorrect operand modifiers.
483         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
484         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
486         Optimize one case of zero_extend of a vec_select.
487         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
489         Accept any immediate for hbr.
490         * config/spu/spu.md (hbr):  Change s constraints to i.
492 2007-02-21  Paul Brook  <paul@codesourcery.com>
494         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
495         condexec_count when skipping USE and CLOBBER.
497 2007-02-21  Nick Clifton  <nickc@redhat.com>
499         * common.opt (Warray-bounds): Add Warning attribute.
500         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
501         Likewise.
502         (fsized-zeroes): Add Optimization attribute.
503         (fsplit-wide-types, ftree-scev-cprop): Likewise.
504         * c.opt (Wc++0x-compat): Add Warning attribute.
506 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
508         PR middle-end/30761
509         * reload1.c (eliminate_regs_in_insn): In the single_set special
510         case, attempt to re-recognize the insn before falling back to
511         having reload fix it up.
513 2007-02-20  Eric Christopher  <echristo@gmail.com>
515         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
516         Rewrite accordingly.
517         (frv_read_iacc_argument): Ditto.
518         (frv_expand_set_builtin): Take a call instead of arglist, update for
519         above changes.
520         (frv_expand_unop_builtin): Ditto.
521         (frv_expand_binop_builtin): Ditto.
522         (frv_expand_cut_builtin): Ditto.
523         (frv_expand_binopimm_builtin): Ditto.
524         (frv_expand_voidbinop_builtin): Ditto.
525         (frv_expand_int_void2arg): Ditto.
526         (frv_expand_prefetches): Ditto.
527         (frv_expand_voidtriop_builtin): Ditto.
528         (frv_expand_voidaccop_builtin): Ditto.
529         (frv_expand_load_builtin): Ditto.
530         (frv_expand_store_builtin): Ditto.
531         (frv_expand_mdpackh_builtin): Ditto.
532         (frv_expand_mclracc_builtin): Ditto.
533         (frv_expand_mrdacc_builtin): Ditto.
534         (frv_expand_mwtacc_builtin): Ditto.
535         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
536         calls for above.
538 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
540         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
541         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
542         cmpb instruction.
543         (HAVE_GAS_DFP): Check for assembler support of decimal floating
544         point instructions.
545         * configure: Regenerate.
546         * config.in: Regenerate.
547         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
548         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
549         masks to power6 and power6x and to POWERPC_MASKS.
550         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
551         _ARCH_PWR6.
552         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
553         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
554         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
555         Access PROTOTYPE as variable, not mask.
557 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
559         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
560         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
561         * combine.c (adjust_for_new_dest): Use it.
562         * postreload.c (reload_combine): Likewise.
564 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
566         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
567         notes on an insn with multiple sets, even if single_set returns
568         non-NULL for that insn.
570 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
572         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
573         scalbn and scalbln.
575 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
577         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
578         if user didn't pass it.
579         * config/i386/darwin.h (CC1_SPEC): Likewise.
580         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
581         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
582         -mmacosx-version-min.
584 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
585             Uros Bizjak  <ubizjak@gmail.com>
587         * optabs.h (enum optab_index): Add new OTI_scalb.
588         (scalb_optab): Define corresponding macro.
589         * optabs.c (init_optabs): Initialize scalb_optab.
590         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
591         patterns.
592         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
593         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
594         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
595         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
596         flag_unsafe_math_optimizations is set.
598         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
599         to implement scalbf, scalb and scalbl built-ins as inline x87
600         intrinsics.
602 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
603             DJ Delorie <dj@redhat.com>
605         PR other/30824
606         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
607         (diagnostic_report_diagnostic): ... here, and turn them into real
608         errors. If warnings are inhibited, no need to do anything.
610 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
612         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
613         better code generation.
615 2007-02-20  Ben Elliston  <bje@au.ibm.com>
617         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
619 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
621         * config/alpha/alpha.c, config/alpha/alpha.md,
622         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
623         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
624         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
625         config/arm/lib1funcs.asm: Follow spelling conventions.
627         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
628         config/fr30/fr30.md, config/i386/i386.h,
629         config/iq2000/iq2000.h, config/iq2000/predicates.md,
630         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
631         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
632         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
633         config/rs6000/altivec.md, config/rs6000/rs6000.c,
634         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
635         config/sparc/sparc.c, config/sparc/sparc.h,
636         config/sparc/sparc.md, config/spu/constraints.md,
637         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
638         conventions.
640 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
642         PR target/29943
643         * varasm.c (use_blocks_for_decl_p): Return false for decls with
644         alias attribute.
646 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
648         * doc/invoke.texi (-ftree-lrs): Remove.
650 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
652         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
653         NULL.
655 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
657         * config/ia64/ia64.c (ia64_expand_builtin): Use the
658         new CALL_EXPR_FN macro for retrieving the function
659         declaration of the input expression.
661 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
663         * c.opt (Waddress): New.
664         * common.opt (Walways-true): Delete.
665         (Wstring-literal-comparison): Delete.
666         * doc/invoke.texi (Warning Options): Delete -Walways-true and
667         -Wstring-literal-comparison. Add -Waddress.
668         (Waddress): New.
669         (Walways-true): Delete.
670         (Wstring-literal-comparison): Delete.
671         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
672         consistently instead of -Walways-true in example.
673         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
674         * c-typeck.c (parser_build_binary_op): Replace
675         -Wstring-literal-comparison and -Walways-true with -Waddress.
676         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
677         with -Waddress.
679 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
681         * tree-cfg.c (dump_function_to_file): Be prepared for functions
682         without DECL_STRUCT_FUNCTION initialized.
684 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
686         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
687         due to calls to functions taking pointers as parameters.
689 2007-02-19  Richard Henderson  <rth@redhat.com>
691         PR debug/29558
692         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
693         in memory.
695 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
697         * config/s390/s390.c (s390_call_saved_register_used,
698         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
699         accessed to the new scheme.
701 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
703         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
704         (cris_print_index, cris_print_operand, cris_print_operand_address)
705         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
706         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
707         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
708         GET_CODE () == xxx.
709         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
710         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
711         GO_IF_LEGITIMATE_ADDRESS): Ditto.
712         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
713         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
714         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
715         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
716         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
717         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
718         (uminsi3, call, call_value): Ditto.
719         (define_split: indir_to_reg_split, unnamed): Ditto.
721 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
723         PR tree-optimization/30975
724         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
725         wrong assert.
727 2007-02-18  Eric Christopher  <echristo@gmail.com>
729         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
730         Remove use of arglist.
731         (mips_expand_builtin): Remove use of arglist, pass in expr.
732         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
733         (mips_expand_builtin_movtf): Ditto.
734         (mips_expand_builtin_compare): Ditto.
736 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
738         * tree-sra.c (sra_build_assignment): Replace assertion
739         checking with a comment explaining why it can't be done.
741 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
743         PR middle-end/30833
744         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
745         during CALL_EXPR representation conversion.
746         * tree-ssa-propagate.c (set_rhs): Likewise.
748 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
750         * tree-sra.c (sra_build_assignment): Disable assertion checking
751         for now.
753 2007-02-18  Roger Sayle  <roger@eyesopen.com>
755         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
756         instead of calling build2 with a GIMPLE_MODIFY_STMT.
757         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
758         Likewise.
759         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
760         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
761         gimplify_init_ctor_eval_range, gimple_push_cleanup,
762         gimplify_omp_for, gimplify_omp_atomic_pipeline,
763         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
764         force_gimple_operand): Likewise.
765         * ipa-cp.c (constant_val_insert): Likewise.
766         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
767         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
768         perfect_nestify): Likewise.
769         * langhooks.c (lhd_omp_assignment): Likewise.
770         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
771         lower_copyprivate_clauses, lower_send_clauses,
772         lower_send_shared_vars, expand_parallel_call,
773         expand_omp_for_generic, expand_omp_for_static_nochunk,
774         expand_omp_for_static_chunk, expand_omp_sections,
775         lower_omp_single_copy, lower_omp_for_lastprivate,
776         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
777         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
778         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
779         Likewise.
781 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
783         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
784         config/sh/sh.md: Follow spelling conventions.
786         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
787         config/frv/predicates.md: Follow spelling conventions.
789         * config/m68k/linux-unwind.h: Fix a comment typo.
790         * target.h: Follow spelling conventions.
792 2007-02-18  Roger Sayle  <roger@eyesopen.com>
794         PR rtl-optimization/28173
795         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
796         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
797         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
798         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
799         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
801 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
803         * builtins.c (fold_builtin_load_exponent): New.
804         (fold_builtin_2): Use it.
806 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
808         PR rtl-optimization/30773
809         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
810         if we fail to attach a REG_EQUIV note.
812 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
813             Roger Sayle  <roger@eyesopen.com>
815         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
817 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
819         * calls.c (initialize_argument_information): Pass original EXP
820         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
821         code to split complex arguments here, as part of initializing the
822         ARGS array.
823         (expand_call): Remove code that builds a list of arguments and
824         inserts implicit arguments into it.  Instead, just count how many
825         implicit arguments there will be so we can determine the size of
826         the ARGS array, and let initialize_argument_information do the work.
827         (split_complex_values): Delete unused function.
829 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
831         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
833 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
835         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
836         for arg pointer based indexed addressing.
838 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
840         * config/ia64/ia64.h, config/ia64/ia64.md,
841         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
842         spelling conventions.
844 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
846         * config/m68k/m68k.c (split_di): New.
847         * config/m68k/m68k-protos.h: Declare split_di.
848         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
849           Improve predicate handling and split constant shifts.
851 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
853         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
854         parameter for register bitfield operations, general predicates
855         cleanup
857 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
859         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
860         * config/m68k/linux-unwind.h: New file.
862 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
864         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
865         config/i386/athlon.md, config/ia64/ia64.md,
866         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
867         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
868         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
869         tree-ssa-loop-niter.c, tree-vect-analyze.c,
870         tree-vect-transform.c: Fix comment typos.
872 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
874         * sched-deps.c (find_insn_list): Remove.
875         * sched-int.h: Remove the prototype for find_insn_list.
877 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
879         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
880         to linker.
881         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
882         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
883         darwin_rs6000_override_options.
884         (C_COMMON_OVERRIDE_OPTIONS): Expect
885         darwin_macosx_version_min to be non-NULL always.
886         (TARGET_C99_FUNCTIONS): Likewise.
887         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
888         (DARWIN_MINVERSION_SPEC): New.
889         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
890         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
891         to cc1*.
892         (DARWIN_MINVERSION_SPEC): New.
893         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
894         value.
895         * config/darwin-c.c (darwin_cpp_builtins): Expect
896         darwin_macosx_version_min to be non-NULL always.
898         * config/rs6000/rs6000.c: Clean up trailing whitespace.
900 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
902         * config/i386/i386.h (x86_use_xchgb): New.
903         (TARGET_USE_XCHGB): New macro.
904         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
905         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
906         Split after reload into bswaphi for shifts of 8.
907         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
908         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
909         or when optimizing for size.
911 2007-02-16  Richard Guenther  <rguenther@suse.de>
912             Christian Bruel  <christian.bruel@st.com>
914         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
915         DECLs but prefer SSA_NAMEs over DECLs.
917 2007-02-16  Richard Guenther  <rguenther@suse.de>
919         * tree-flow-inline.h (single_imm_use_p): Remove.
920         (zero_imm_uses_p): Likewise.
921         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
922         instead of single_imm_use_p.
923         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
924         zero_imm_uses_p.
926 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
928         PR other/27843
929         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
930         nested double- and backquotes.
932 2007-02-15  Roger Sayle  <roger@eyesopen.com>
934         PR middle-end/30391
935         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
936         should be unreachable.
937         (build2_stat): Allow construction of MODIFY_EXPR at any time.
938         For the time being redirect GIMPLE_MODIFY_STMT to the new
939         (renamed) build_gimple_modify_stmt_stat.
940         (build2_gimple_stat): Rename to...
941         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
942         Always build a GIMPLE_MODIFY_STMT node.
943         * tree.h (build2_gimple, build2_gimple_stat): Delete.
944         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
945         declarations.
947         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
948         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
949         * tree-complex.c (set_component_ssa_name, expand_complex_move,
950         expand_complex_div_wide): Likewise.
951         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
952         * tree-ssa-loop-im.c (schedule_sm): Likewise.
953         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
954         * tree-ssa-loop-manip.c (create_iv): Likewise.
955         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
956         abs_replacement): Likewise.
957         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
958         realify_fake_stores): Likewise.
960         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
961         node rather than a GIMPLE_MODIFY_STMT node.
962         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
963         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
964         Likewise.
965         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
966         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
967         GIMPLE_MODIFY_STMT.
969 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
971         PR middle-end/30433
972         * fold-const.c (fold_comparison): Add back the
973         folding of constant complex comparisions.
975 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
977         PR middle-end/30729
978         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
979         effects unknown to this function, return early.
981 2007-02-15  Ian Lance Taylor  <iant@google.com>
983         * lower-subreg.c (move_eh_region_note): New static function.
984         (resolve_simple_move): Call it.
985         (decompose_multiword_subregs): Track blocks for which we resolve a
986         simple move which is also a control flow insn.  Pass them to
987         find_many_sub_basic_blocks.
988         (pass_lower_subreg): Add TODO_verify_flow.
989         (pass_lower_subreg2): Likewise.
991 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
992             Brooks Moses  <brooks.moses@codesourcery.com>
993             Lee Millward  <lee.millward@codesourcery.com>
995         * tree.h (enum tree_code_class): Add tcc_vl_exp.
996         (VL_EXP_CLASS_P): New.
997         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
998         TREE_CODE_LENGTH.
999         (TREE_OPERAND_CHECK_CODE): Likewise.
1000         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
1001         (TREE_RTL_OPERAND_CHECK): Likewise.
1002         (tree_operand_check_failed): Make second parameter the whole tree
1003         instead of its code.  Fixed callers.
1004         (VL_EXP_CHECK): New.
1005         (TREE_OPERAND_LENGTH): New.
1006         (VL_EXP_OPERAND_LENGTH): New.
1007         (CALL_EXPR_FN): New.
1008         (CALL_EXPR_STATIC_CHAIN): New.
1009         (CALL_EXPR_ARGS): New.
1010         (CALL_EXPR_ARG): New.
1011         (call_expr_nargs): New.
1012         (CALL_EXPR_ARGP): New.
1013         (build_nt_call_list): Declare.
1014         (build_vl_exp_stat): Declare.
1015         (build_vl_exp): New.
1016         (build_call_list): Declare.
1017         (build_call_nary): Declare.
1018         (build_call_valist): Declare.
1019         (build_call_array): Declare.
1020         (call_expr_arg): Declare.
1021         (call_expr_argp): Declare.
1022         (call_expr_arglist): Declare.
1023         (fold_build_call_list): Declare.
1024         (fold_build_call_list_initializer): Declare.
1025         (fold_call_expr): Declare to replace fold_builtin.
1026         (fold_builtin_fputs): Update to agree with modified definition.
1027         (fold_builtin_strcpy): Likewise.
1028         (fold_builtin_strncpy): Likewise.
1029         (fold_builtin_memory_chk): Likewise.
1030         (fold_builtin_stxcpy_chk): Likewise.
1031         (fold_builtin_strncpy_chk): Likewise.
1032         (fold_builtin_next_arg): Likewise.
1033         (fold_build_call_expr): Declare.
1034         (fold_builtin_call_list): Declare.
1035         (fold_builtin_call_valist): Declare.
1036         (build_call_expr): Declare.
1037         (validate_arglist): Update to agree with modified definition.
1038         (tree_operand_length): New.
1039         (call_expr_arg_iterator): New.
1040         (init_call_expr_arg_iterator): New.
1041         (next_call_expr_arg): New.
1042         (first_call_expr_arg): New.
1043         (more_call_expr_args_p): New.
1044         (FOR_EACH_CALL_EXPR_ARG): New.
1046         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
1047         and tcc_gimple_stmt.
1048         (tree_code_size): Update documentation.  Use sizeof (tree) rather
1049         than sizeof (char *).
1050         (tree_size): Likewise.  Add case for tcc_vl_exp.
1051         (tree_node_structure): Add case for tcc_vl_exp.
1052         (contains_placeholder_p): Likewise.
1053         (substitute_in_expr): Likewise.
1054         (substitute_placeholder_in_expr): Likewise.
1055         (stabilize_reference_1): Likewise.
1056         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
1057         to diagnose breakage of this interface for constructing CALL_EXPRs.
1058         (build_nt): Add similar assertion here.
1059         (build_nt_call_list): New.
1060         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
1061         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
1062         TREE_CODE_LENGTH.
1063         (get_callee_fndecl): Use new CALL_EXPR accessors.
1064         (tree_operand_check_failed): Change parameters to pass entire node
1065         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
1066         (process_call_operands): New.
1067         (build_vl_exp_stat): New.
1068         (build_call_list): New.
1069         (build_call_nary): New.
1070         (build_call_valist): New.
1071         (build_call_array): New.
1072         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1073         (call_expr_arglist): New.
1075         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
1076         tcc_vl_exp instead of a fixed-size tcc_expression.
1078         * doc/c-tree.texi (CALL_EXPR): Document new representation and
1079         accessors for CALL_EXPRs.
1080         (AGGR_INIT_EXPR): Likewise.
1082 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1083             Brooks Moses  <brooks.moses@codesourcery.com>
1084             Lee Millward  <lee.millward@codesourcery.com>
1086         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
1087         (expand_builtin_nonlocal_goto): Change parameter to be entire
1088         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
1089         (expand_builtin_prefetch): Likewise.
1090         (expand_builtin_classify_type): Likewise.
1091         (mathfn_built_in): Return NULL_TREE instead of 0.
1092         (expand_errno_check): Use new CALL_EXPR accessors.
1093         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
1094         Return NULL_RTX instead of 0.
1095         (expand_builtin_mathfn_2): Likewise.
1096         (expand_builtin_mathfn_3): Likewise.
1097         (expand_builtin_interclass_mathfn): Likewise.
1098         (expand_builtin_sincos): Likewise.
1099         (expand_builtin_cexpi): Likewise.
1100         (expand_builtin_int_roundingfn): Likewise.
1101         (expand_builtin_int_roundingfn_2): Likewise.
1102         (expand_builtin_pow): Likewise.
1103         (expand_builtin_powi): Likewise.
1104         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
1105         of arglist, fixing callers appropriately.  Use new CALL_EXPR
1106         accessors and constructors.  Return NULL_RTX instead of 0.
1107         (expand_builtin_strstr): Likewise.
1108         (expand_builtin_strchr): Likewise.
1109         (expand_builtin_strrchr): Likewise.
1110         (expand_builtin_strpbrk): Likewise.
1111         (expand_builtin_memcpy): Likewise.
1112         (expand_builtin_mempcpy): Likewise.
1113         (expand_builtin_mempcpy_args): New.
1114         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
1115         (expand_builtin_memmove_args): New.
1116         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
1117         (expand_movstr): Likewise.
1118         (expand_builtin_strcpy): Likewise.
1119         (expand_builtin_strcpy_args): New.
1120         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
1121         (expand_builtin_strncpy): Likewise.
1122         (expand_builtin_memset): Likewise.
1123         (expand_builtin_memset_args): New.
1124         (expand_builtin_bzero): Similarly to expand_builtin_memset.
1125         (expand_builtin_memcmp): Likewise.
1126         (expand_builtin_strcmp): Likewise.
1127         (expand_builtin_strncmp): Likewise.
1128         (expand_builtin_strcat): Likewise.
1129         (expand_builtin_strncat): Likewise.
1130         (expand_builtin_strspn): Likewise.
1131         (expand_builtin_strcspn): Likewise.
1132         (expand_builtin_args_info): Likewise.
1133         (expand_builtin_va_start): Likewise.
1134         (gimplify_va_arg_expr): Likewise.
1135         (expand_builtin_va_end): Likewise.
1136         (expand_builtin_va_copy): Likewise.
1137         (expand_builtin_frame_address): Likewise.
1138         (expand_builtin_alloca): Likewise.
1139         (expand_builtin_bswap): Likewise.
1140         (expand_builtin_unop): Likewise.
1141         (expand_builtin_fputs): Likewise.
1142         (expand_builtin_expect): Likewise.
1143         (expand_builtin_fabs): Likewise.
1144         (expand_builtin_copysign): Likewise.
1145         (expand_builtin_printf): Likewise.
1146         (expand_builtin_fprintf): Likewise.
1147         (expand_builtin_sprintf): Likewise.
1148         (expand_builtin_init_trampoline): Likewise.
1149         (expand_builtin_signbit): Likewise.
1150         (expand_builtin_fork_or_exec): Likewise.
1151         (expand_builtin_sync_operation): Likewise.
1152         (expand_builtin_compare_and_swap): Likewise.
1153         (expand_builtin_lock_test_and_set): Likewise.
1154         (expand_builtin_lock_release): Likewise.
1155         (expand_builtin): Likewise.
1156         (builtin_mathfn_code): Likewise.
1158         (fold_builtin_constant_p): Pass call arguments individually instead
1159         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1160         accessors and constructors.  Return NULL_TREE instead of 0.
1161         (fold_builtin_expect): Likewise.
1162         (fold_builtin_classify_type): Likewise.
1163         (fold_builtin_strlen): Likewise.
1164         (fold_builtin_nan): Likewise.
1165         (integer_valued_real_p): Likewise.
1166         (fold_trunc_transparent_mathfn): Likewise.
1167         (fold_fixed_mathfn): Likewise.
1168         (fold_builtin_cabs): Likewise.
1169         (fold_builtin_sqrt): Likewise.
1170         (fold_builtin_cbrt): Likewise.
1171         (fold_builtin_cos): Likewise.
1172         (fold_builtin_cosh): Likewise.
1173         (fold_builtin_tan): Likewise.
1174         (fold_builtin_sincos): Likewise.
1175         (fold_builtin_cexp): Likewise.
1176         (fold_builtin_trunc): Likewise.
1177         (fold_builtin_floor): Likewise.
1178         (fold_builtin_ceil): Likewise.
1179         (fold_builtin_round): Likewise.
1180         (fold_builtin_int_roundingfn): Likewise.
1181         (fold_builtin_bitop): Likewise.
1182         (fold_builtin_bswap): Likewise.
1183         (fold_builtin_logarithm): Likewise.
1184         (fold_builtin_hypot): Likewise.
1185         (fold_builtin_pow): Likewise.
1186         (fold_builtin_powi): Likewise.
1187         (fold_builtin_exponent): Likewise.
1188         (fold_builtin_memset): Likewise.
1189         (fold_builtin_bzero): Likewise.
1190         (fold_builtin_memory_op): Likewise.
1191         (fold_builtin_bcopy): Deleted; call site changed to invoke
1192         fold_builtin_memory_op directly.
1193         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
1194         (fold_builtin_strncpy): Likewise.
1195         (fold_builtin_memcmp): Likewise.
1196         (fold_builtin_strcmp): Likewise.
1197         (fold_builtin_strncmp): Likewise.
1198         (fold_builtin_signbit): Likewise.
1199         (fold_builtin_copysign): Likewise.
1200         (fold_builtin_isascii): Likewise.
1201         (fold_builtin_toascii): Likewise.
1202         (fold_builtin_isdigit): Likewise.
1203         (fold_builtin_fabs): Likewise.
1204         (fold_builtin_abs): Likewise.
1205         (fold_builtin_fmin_fmax): Likewise.
1206         (fold_builtin_carg): Likewise.
1207         (fold_builtin_classify): Likewise.
1208         (fold_builtin_unordered_cmp): Likewise.
1210         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
1211         New functions split out from fold_builtin_1.
1212         (fold_builtin_n): New.
1213         (fold_builtin_varargs): New.
1214         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
1215         instead.
1216         (fold_call_expr): New.
1217         (build_function_call_expr): Rewrite to use new helper function.
1218         (fold_builtin_call_list): New.
1219         (build_call_expr): New.
1220         (fold_builtin_call_valist): New.
1221         (rewrite_call_expr): New.
1222         (validate_arg): New.
1223         (validate_arglist): Change parameter to be entire CALL_EXPR instead
1224         of an arglist.  Change return type to bool.  Use new CALL_EXPR
1225         accessors.
1227         (fold_builtin_strstr):  Pass call arguments individually instead
1228         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1229         accessors and constructors.  Return NULL_TREE instead of 0.
1230         (fold_builtin_strchr): Likewise.
1231         (fold_builtin_strrchr): Likewise.
1232         (fold_builtin_strpbrk): Likewise.
1233         (fold_builtin_strcat): Likewise.
1234         (fold_builtin_strncat): Likewise.
1235         (fold_builtin_strspn): Likewise.
1236         (fold_builtin_strcspn): Likewise.
1237         (fold_builtin_fputs): Likewise.
1238         (fold_builtin_next_arg): Likewise.
1239         (fold_builtin_sprintf): Likewise.
1241         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
1242         NULL_RTX instead of 0.
1243         (expand_builtin_memory_chk): Likewise.
1244         (maybe_emit_chk_warning): Likewise.
1245         (maybe_emit_sprintf_chk_warning): Likewise.
1247         (fold_builtin_object_size): Pass call arguments individually instead
1248         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1249         accessors and constructors.  Return NULL_TREE instead of 0.
1250         (fold_builtin_memory_chk): Likewise.
1251         (fold_builtin_stxcpy_chk): Likewise.
1252         (fold_builtin_strncpy_chk): Likewise.
1253         (fold_builtin_strcat_chk): Likewise.
1254         (fold_builtin_strcat_chk): Likewise.
1255         (fold_builtin_strncat_chk): Likewise.
1256         (fold_builtin_sprintf_chk): Likewise.
1257         (fold_builtin_snprintf_chk): Likewise.
1258         (fold_builtin_printf): Likewise.
1259         (fold_builtin_vprintf): Likewise.
1261         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
1262         constructors.
1263         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
1264         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1265         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
1266         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
1267         (fold_unary): Likewise.
1268         (fold_binary): Likewise.
1269         (fold_ternary): Remove CALL_EXPR case, since they are no longer
1270         ternary expressions.
1271         (fold): Add logic for tcc_vl_exp.
1272         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
1273         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1274         (fold_build3_stat): Add assertion to flag broken interface for
1275         constructing CALL_EXPRs.
1276         (fold_build_call_list): New.
1277         (fold_build_call_list_initializer): New.
1278         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
1279         constructors.
1280         (fold_strip_sign_ops): Likewise.
1282 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1283             Brooks Moses  <brooks.moses@codesourcery.com>
1284             Lee Millward  <lee.millward@codesourcery.com>
1286         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
1287         accessors and dump arguments explicitly.
1289         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
1290         TREE_CODE_LENGTH.
1291         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
1292         explicitly.
1293         (print_call_name): Use new CALL_EXPR accessors.
1295         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
1296         CALL_EXPR arguments explicitly instead of as a list.  Use
1297         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1299         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
1300         (vrp_visit_stmt): Likewise.
1302         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
1303         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
1304         TREE_CODE_LENGTH.
1305         (force_move_till_expr): Likewise.
1307         * targhooks.c (default_external_stack_protect_fail): Use
1308         build_call_expr instead of build_function_call_expr.
1309         (default_hidden_stack_protect_fail): Likewise.
1311         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
1312         build the call.
1314         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
1315         and walk arguments explicitly.
1317         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
1318         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1319         (expand_simple_operations): Likewise.
1320         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
1322         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
1323         of TREE_CODE_LENGTH.
1324         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
1326         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
1327         instead of TREE_CODE_LENGTH.
1329         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
1330         (tree_ic_transform): Likewise.
1331         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
1332         parameter instead of arglist.  Fix callers.
1333         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
1334         (tree_stringops_transform): Likewise.
1335         (tree_indirect_call_to_profile): Likewise.
1336         (tree_stringops_values_to_profile): Likewise.
1338         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
1339         (eliminate_tail_call): Likewise.
1341         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
1343         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1344         Use TREE_OPERAND_LENGTH and generalize to handle any number of
1345         operands.
1346         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1348         * omp-low.c (build_omp_barrier): Use build_call_expr.
1349         (lower_rec_input_clauses): Likewise.
1350         (lower_reduction_clauses): Likewise.
1351         (expand_parallel_call): Likewise.
1352         (maybe_catch_exception): Likewise.
1353         (expand_omp_for_generic): Likewise.
1354         (expand_omp_for_static_nochunk): Likewise.
1355         (expand_omp_sections): Likewise.
1356         (lower_omp_single_simple): Likewise.
1357         (lower_omp_single_copy): Likewise.
1358         (lower_omp_master): Likewise.
1359         (lower_omp_ordered): Likewise.
1360         (lower_omp_critical): Likewise.
1362         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1363         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1365         * tree-gimple.c (is_gimple_call_addr): Fix doc.
1366         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1367         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
1369         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1370         and generalize to handle any number of operands.
1371         (chrec_contains_undetermined): Likewise.
1372         (tree_contains_chrecs): Likewise.
1373         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1375         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1377         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
1378         fold_call_expr instead of fold_builtin.
1379         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
1380         match declarations there.
1381         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
1382         updates.
1384         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1385         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1387         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1388         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1390         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1391         accessors.
1393         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1394         (execute_cse_sincos): Use new CALL_EXPR accessors.
1396         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1398         * gimple-low.c (lower_function_body): Use build_call_expr.
1399         (lower_builtin_setjmp): Likewise.
1401         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1402         (set_storage_via_libcall): Likewise.
1403         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
1404         instead of TREE_CODE_LENGTH.
1405         (expand_expr_real_1): Use new CALL_EXPR accessors.
1407         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1408         generalize to handle any number of operands.
1409         (TB_parent_eq): Likewise.
1411         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1412         (strip_builtin_expect): Likewise.
1414         * function.c (gimplify_parameters): Use build_call_expr.
1416         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1417         instead of TREE_CODE_LENGTH.
1419         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1420         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1422         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1423         iterators.
1425         * gimplify.c (build_stack_save_restore): Use build_call_expr.
1426         (gimplify_decl_expr): Likewise.
1427         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1428         Use new CALL_EXPR iterators.
1429         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1430         (gimplify_modify_expr_to_memset): Likewise.
1431         (gimplify_variable_sized_compare): Likewise.
1432         (gimplify_omp_atomic_fetch_op): Likewise.
1433         (gimplify_omp_atomic_pipeline): Likewise.
1434         (gimplify_omp_atomic_mutex): Likewise.
1435         (gimplify_function_tree): Likewise.
1437         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1438         (call_expr_flags): Likewise.
1439         (expand_call): Likewise.
1441         * except.c (expand_builtin_eh_return_data_regno): Pass entire
1442         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1443         accessors.
1445         * coverage.c (create_coverage): Use build_call_expr.
1447         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1448         (temp_call_expr_obstack): New.
1449         (pool_copy_list): Delete.
1450         (temp_copy_call_expr): New.
1451         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
1452         CALL_EXPR accessors.  Get rid of special goo for copying argument
1453         lists and use temp_copy_call_expr instead.
1454         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
1455         CALL_EXPR accessors.
1456         (create_expression_by_pieces): Likewise.  Use build_call_array
1457         to construct the result instead of fold_build3.
1458         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
1459         dealing with argument lists.
1460         (init_pre): Remove references to expression_node_pool and
1461         list_node_pool.  Init temp_call_expr_obstack instead.
1462         (fini_pre): Remove references to expression_node_pool and
1463         list_node_pool.
1465         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1466         and walk arguments explicitly instead of as a list.
1468         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1469         (mx_register_decls): Likewise.
1470         (mudflap_register_call): Likewise.
1471         (mudflap_finish_file): Likewise.
1473         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1474         (ipa_callsite_compute_param): Likewise.
1476         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1477         accessors and constructor.
1479         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1480         accessors and constructor.
1481         (convert_tramp_reference): Likewise.
1482         (convert_call_expr): Likewise.
1483         (finalize_nesting_tree_1): Likewise.
1485         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1486         accessors.
1488         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1490         * tree-inline.c (initialize_inlined_parameters): Pass entire
1491         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1492         accessors.
1493         (estimate_num_insns_1): Use new CALL_EXPR accessors.
1494         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1496         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
1497         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1498         (vectorizable_reduction): Likewise.
1499         (vectorizable_call): Use new CALL_EXPR iterators.
1500         (vectorizable_conversion): Use build_call_expr.
1501         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1502         (vect_gen_widened_results_half): Use build_call_expr.
1503         (vect_setup_realignment): Likewise.
1504         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1506         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1507         (pass_through_call): Likewise.
1508         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
1509         fold_builtin.
1511         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1512         (tree_gen_pow2_profiler): Likewise.
1513         (tree_gen_one_value_profiler): Likewise.
1514         (tree_gen_ic_func_profiler): Likewise.
1515         (tree_gen_average_profiler): Likewise.
1516         (tree_gen_ior_profiler): Likewise.
1518         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1519         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1520         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1522         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1523         of TREE_CODE_LENGTH.
1525         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1526         of TREE_CODE_LENGTH.
1528         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1529         constructor.
1530         (convert_to_integer): Likewise.
1532         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1533         accessors.
1535 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1536             Brooks Moses  <brooks.moses@codesourcery.com>
1537             Lee Millward  <lee.millward@codesourcery.com>
1539         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1540         accessors.
1541         * config/frv/frv.c (frv_expand_builtin): Likewise.
1542         * config/s390/s390.c (s390_expand_builtin): Likewise.
1544         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1545         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1547         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1548         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1549         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1550         (ix86_expand_store_builtin): Likewise.
1551         (ix86_expand_unop_builtin): Likewise.
1552         (ix86_expand_unop1_builtin): Likewise.
1553         (ix86_expand_sse_compare): Likewise.
1554         (ix86_expand_sse_comi): Likewise.
1555         (ix86_expand_vec_init_builtin): Likewise.
1556         (ix86_expand_vec_ext_builtin): Likewise.
1557         (ix86_expand_vec_set_builtin): Likewise.
1558         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1560         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1561         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1563         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1564         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1565         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1567         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1568         build_call_expr.
1569         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1570         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1571         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1572         (altivec_expand_abs_builtin): Likewise.
1573         (rs6000_expand_binop_builtin): Likewise.
1574         (altivec_expand_predicate_builtin): Likewise.
1575         (altivec_expand_lv_builtin): Likewise.
1576         (spe_expand_stv_builtin): Likewise.
1577         (altivec_expand_stv_builtin): Likewise.
1578         (rs6000_expand_ternop_builtin): Likewise.
1579         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1580         (altivec_expand_st_builtin): Likewise.
1581         (altivec_expand_dst_builtin): Likewise.
1582         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1583         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1584         (altivec_expand_vec_set_builtin): Likewise.
1585         (altivec_expand_vec_ext_builtin): Likewise.
1586         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1587         (spe_expand_builtin): Likewise.
1588         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1589         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1590         (spe_expand_evsel_builtin): Likewise.
1591         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1592         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1594         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1595         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1596         (arm_expand_unop_builtin): Likewise.
1597         (arm_expand_builtin): Use new CALL_EXPR accessors.
1599         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1600         accessors.
1602         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1603         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1604         (bfin_expand_unop_builtin): Likewise.
1605         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1607 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1608             Brooks Moses  <brooks.moses@codesourcery.com>
1609             Lee Millward  <lee.millward@codesourcery.com>
1611         * c-semantics.c (build_stmt): Add internal diagnostic check.
1613         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1614         accessors.  Print arguments explicitly instead of as a list.
1616         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1618         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1619         (c_finish_omp_flish): Likewise.
1621         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1622         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1623         instead of TREE_CODE_LENGTH.
1624         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1625         (c_warn_unused_result): Likewise.
1627 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1629         PR c/26494
1630         * doc/invoke.texi (Warning Options): Remove
1631         -Werror-implicit-function-declaration.
1632         (Wimplicit-function-declaration): Update description.
1633         * opts.c (common_handle_option): Move handling of -Werror=* to...
1634         (enable_warning_as_error): ...here.
1635         * opts.h (enable_warning_as_error): Declare.
1636         * c-decl.c (implicit_decl_warning): Unless
1637         -Wno-implicit-function-declaration is given, emit a pedwarn if
1638         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1639         * c.opt (Wimplicit-function-declaration): Replace
1640         mesg_implicit_function_declaration with
1641         warn_implicit_function_declaration.
1642         * c-opts.c (c_common_handle_option):
1643         -Werror-implicit-function-declaration is exactly equal as
1644         -Werror=implicit-function-declaration.
1645         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1646         warn_implicit_function_declaration.
1647         (c_common_post_options): -Wimplict-function-declaration is enabled
1648         by default by -std=c99, otherwise is disabled by default.
1649         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1651 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1653         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1654         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1655         former is ignored but not the latter.
1657 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1659         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1660         is made and the reference doesn't use the alias set of its type,
1661         do not create the temporary using that type.
1663 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1665         * jump.c: Remove prototypes for delete_computation and
1666         delete_prior_computation.
1668 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1670         * jump.c (get_label_after): Delete.
1671         (get_label_before, delete_computation, delete_jump,
1672         delete_prior_computation, follow_jumps): Move...
1673         * reorg.c (delete_computation, delete_prior_computation): ... here...
1674         (get_label_before, delete_jump): ... making these static ...
1675         (follow_jumps): ... and simplifying this since it only runs after
1676         reload.
1677         * rtl.h (get_label_after, get_label_before, delete_jump,
1678         follow_jumps): Delete prototypes.
1680 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1682         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1684 2007-02-15  Nick Clifton  <nickc@redhat.com>
1686         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1687         order to prevent it from being munged by the target.
1689 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1691         * config/i386/i386.md: Remove misleading comment.
1693 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1695         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1696         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1697         invalid patterns.
1699 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1701         * tree-sra.c (instantiate_missing_elements): Canonicalize
1702         bit-field types.
1703         (sra_build_assignment): New.
1704         (generate_copy_inout, generate_element_copy,
1705         generate_element_zero, generate_one_element_init): Use it.
1707 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1709         * tree-sra.c (instantiate_missing_elements): Canonicalize
1710         bit-field types.
1711         (sra_build_assignment): New.
1712         (generate_copy_inout, generate_element_copy,
1713         generate_element_zero, generate_one_element_init): Use it.
1715 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1717         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1718         limbo die nodes.
1720 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1722         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1723         types as aggregates not scalars.
1724         * function.c (assign_stack_temp_for_type): Likewise.
1726 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1727             Zdenek Dvorak  <dvorakz@suse.cz>
1729         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1730         name.
1732 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1734         * passes.c (next_pass_1): Clear the next field of the copied
1735         pass structure.
1737 2007-02-14  Richard Henderson  <rth@redhat.com>
1739         * tree-sra.c (early_sra): New.
1740         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1741         (tree_sra_early, pass_sra_early): New.
1742         * tree-pass.h (pass_sra_early): Declare.
1743         * passes.c (init_optimization_passes): Use it.
1745 2007-02-14  Richard Guenther  <rguenther@suse.de>
1747         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1749 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1751          PR tree-optimization/30771
1752         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1753         also phi nodes.
1754         (vect_analyze_operations): Induction phis can now be marked as
1755         used_in_loop.
1756         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1757         Update documentation accordingly.
1759 2007-02-14  Nick Clifton  <nickc@redhat.com>
1761         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1762         most 3 arguments are supported.
1763         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1765 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1767         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1768         Ensure dst->current is valid.
1770 2007-02-13  Paul Brook  <paul@codesourcery.com>
1772         * config.gcc: Add arm*-*-uclinux-*eabi.
1773         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1774         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1775         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1776         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1777         (LINK_SPEC): Define.
1778         (LIB_SPEC): Define.
1779         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1780         register.
1781         * config/arm/uclinux-eabi.h: New file.
1782         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1783         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1784         based targets.
1786 2007-02-13  Ian Lance Taylor  <iant@google.com>
1788         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1789         * flags.h (warn_strict_overflow): Declare.
1790         (enum warn_strict_overflow_code): Define.
1791         (issue_strict_overflow_warning): New static inline function.
1792         * opts.c (warn_strict_overflow): New variable.
1793         (common_handle_option): Handle OPT_Wstrict_overflow and
1794         OPT_Wstrict_overflow_.
1795         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1796         OPT_Wall.
1797         * fold-const.c: Include intl.h.
1798         (fold_deferring_overflow_warnings): New static variable.
1799         (fold_deferred_overflow_warning): New static variable.
1800         (fold_deferred_overflow_code): New static variable.
1801         (fold_defer_overflow_warnings): New function.
1802         (fold_undefer_overflow_warnings): New function.
1803         (fold_undefer_and_ignore_overflow_warnings): New function.
1804         (fold_deferring_overflow_warnings_p): New function.
1805         (fold_overflow_warning): New static function.
1806         (make_range): Add strict_overflow_p parameter.  Change all
1807         callers.
1808         (extract_muldiv, extract_muldiv_1): Likewise.
1809         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1810         tree_expr_nonnegative_p.
1811         (fold_negate_expr): Call fold_overflow_warning.
1812         (fold_range_test): Likewise.
1813         (fold_comparison): Likewise.
1814         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1815         instead of tree_expr_nonnegative_p.
1816         (tree_expr_nonnegative_warnv_p): Rename from
1817         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1818         (tree_expr_nonnegative_p): New function.
1819         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1820         strict_overflow_p parameter.
1821         (tree_expr_nonzero_p): New function.
1822         * passes.c (verify_interpass_invariants): New static function.
1823         (execute_one_pass): Call it.
1824         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1825         warnings.
1826         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1827         (estimate_numbers_of_iterations): Likewise.
1828         (scev_probably_wraps_p): Likewise.
1829         * tree-ssa-ccp.c: Include "toplev.h".
1830         (evaluate_stmt): Defer fold overflow warnings until we know we are
1831         going to optimize.
1832         (struct fold_stmt_r_data): Add stmt field.
1833         (fold_stmt_r): Defer fold overflow warnings until we know we
1834         optimized.
1835         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1836         (fold_stmt_inplace): Likewise.
1837         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1838         (cleanup_control_expr_graph): Defer fold overflow warnings until
1839         we know we are going to optimize.
1840         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1841         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1842         Likewise.
1843         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1844         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1845         * tree-ssa-loop-manip.c (create_iv): Likewise.
1846         * c-typeck.c (build_conditional_expr): Likewise.
1847         (build_binary_op): Likewise.
1848         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1849         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1850         (extract_range_from_unary_expr): Likewise.
1851         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1852         assuming that signed overflow does not occur.
1853         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1854         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1855         (fold_defer_overflow_warnings): Declare.
1856         (fold_undefer_overflow_warnings): Declare.
1857         (fold_undefer_and_ignore_overflow_warnings): Declare.
1858         (fold_deferring_overflow_warnings_p): Declare.
1859         (tree_expr_nonzero_warnv_p): Declare.
1860         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1861         of warning options.
1862         (Warning Options): Document -Wstrict-overflow.
1863         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1864         (tree-ssa-ccp.o): Likewise.
1865         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1866         (fold-const.o): Depend on intl.h.
1868 2007-02-13  Ian Lance Taylor  <iant@google.com>
1870         PR middle-end/30751
1871         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1872         addresses.
1874 2007-02-13  Stuart Hastings  <stuart@apple.com>
1876         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1878 2007-02-13  Richard Henderson  <rth@redhat.com>
1880         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1881         handled_component_p before looking for the indirect_ref.
1883 2007-02-13  Richard Henderson  <rth@redhat.com>
1885         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1886         remove flags clobber.
1887         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1888         (bswaphi_lowpart): New.
1889         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1890         remove TARGET_BSWAP test.  Delete expander of the same name.
1892         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1893         (expand_unop): Use them.
1895 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1897         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1898         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1899         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1900         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1901         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1902         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1903         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1904         assembler dialect choice from asm templates.
1906 2007-02-12  Richard Henderson  <rth@redhat.com>
1908         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1909         (fixuns_trunc<SSEMODEF>si2): Use it.
1910         * config/i386/sse.md (vec_setv4sf_0): Export.
1911         * config/i386/i386.c (ix86_build_const_vector): Export.
1912         (ix86_split_convert_uns_si_sse): Rename from
1913         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1914         * config/i386/i386-protos.h: Update.
1916 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1918         PR c/29521
1919         * c-typeck.c (c_finish_return): Improve warning message.
1921 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1923         * alias.c (find_symbolic_term): Delete unused function.
1925 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1927         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1928         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1929         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1931 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1933         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1934         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1935         the function, temporarily point the debug interface to the null one.
1937 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1939         * dwarf2out.c (round_up_to_align): New static function.
1940         (field_byte_offset): Use it to round the offset.
1942 2007-02-12  Richard Henderson  <rth@redhat.com>
1944         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1945         (inswl_const): Export.
1947 2007-02-12  Richard Henderson  <rth@redhat.com>
1949         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1950         result mode of the libcall, convert back to outmode.
1952 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1954         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1955         (bswapdi2): New define_expand to implement 32-bit implementation.
1957 2007-02-12  Nick Clifton  <nickc@redhat.com>
1959         * doc/invoke.texi (Overall Options): Document --help=.
1960         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1961         (cc1_options): Pass --help= on to cc1.
1962         (display_help): Add description of --help=.
1963         (process_command): Add code to handle --help=.  Allow translated
1964         --help and --target-help switches to be passed on to compiler
1965         sub-process.
1966         (main): Remove unused if statement.
1967         * opts.c (columns): Remove.
1968         (LEFT_COLUMN): Define.
1969         (wrap_help): Add columns argument.
1970         (print_filtered_help): Change parameters to be an include bitmask,
1971         an exclude bitmask, an any bitmask and the column width.  Move the
1972         code to display the params list here.  Add code to display the
1973         status of options rather than their descriptions if the quiet flag
1974         is not active.
1975         (print_specific_help): Change parameters to be an include bitmask,
1976         an exclude bitmask and an any bitmask.  Move code to look up the
1977         column width here.  Decide upon the title for an options listing.
1978         (common_handle_options): Add code to handle --help=.  Adapt code
1979         for --help and --target-help to use the revised form of the
1980         print_specific_help function.
1981         (print_help): Delete.
1982         (print_param_help): Delete.
1983         (print_switch): Delete.
1984         * opts.h (cl_lang_count): Add prototype.
1985         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1986         CL_MAX_OPTION_CLASS): New defines.
1987         * optc-gen.awk: Add construction of cl_lang_count.
1988         * c.opt: Add Warning attribute to warning options and Optimization
1989         attribute to optimization options.
1990         * common.opt: Likewise.
1991         Add --help=.
1992         Add -fhelp and -ftarget-help as aliases for the transformed --help
1993         and --target-help options.
1994         * opt-functions.awk: Add code to handle Warning and Optimization
1995         attributes.
1997 2007-02-12  Richard Henderson  <rth@redhat.com>
1999         * config/alpha/constraints.md: New file.
2000         * config/alpha/alpha.c: Include tm-constrs.h.
2001         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
2002         alpha_extra_constraint): Remove.
2003         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
2004         * config/alpha/alpha-protos.h: Update.
2005         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
2006         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
2007         (EXTRA_CONSTRAINT): Remove.
2008         * config/alpha/alpha.md: Include constraints.md.
2009         (adddi splitter): Use satisfies_constraint_*.
2010         * config/alpha/predicates.md (add_operand): Likewise.
2011         (sext_add_operand, addition_operation): Likewise.
2013 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
2015         PR tree-optimization/29145
2016         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
2017         in our handling of restrict qualified pointers.
2019 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2021         PR middle-end/7651
2022         * doc/invoke.texi (Wunused-value): Update description.
2023         (Wextra): Delete item.
2024         * opts.c (set_Wextra): Don't use the value of Wextra to set the
2025         value of Wunused-value.
2026         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
2027         (c_finish_stmt_expr): Don't check extra_warnings.
2028         (emit_side_effect_warnings): The caller is responsible to check
2029         warn_unused_value.
2031 2007-02-11  Roger Sayle  <roger@eyesopen.com>
2032             Matt Thomas  <matt@3am-software.com>
2034         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
2036 2007-02-11  Roger Sayle  <roger@eyesopen.com>
2038         * simplify-rtx.c (simplify_relational_operation_1): Optimize
2039         comparisons of POPCOUNT against zero.
2040         (simplify_const_relational_operation): Likewise.
2042 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2044         * doc/invoke.texi (Wextra): Delete outdated paragraph.
2046 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2048         * dwarf2out.c (root_type): Delete unused function.
2050 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2052         * genattrtab.c (contained_in_p): Delete unused function.
2053         (write_expr_attr_cache): Likewise.
2055 2007-02-11  Jan Hubicka  <jh@suse.cz>
2057         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
2058         previous patch.
2060 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
2062         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
2063         to add the REG_EQ* note.
2064         * see.c (see_merge_one_use_extension): Likewise.
2065         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
2066         turn REG_EQUAL notes into REG_EQUIV notes if the target
2067         register may have more than one set.
2068         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
2069         * gcse.c (try_replace_reg): Likewise.
2070         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
2071         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
2072         more than one REG_EQUIV note.
2073         * reload1.c (gen_reload): Use set_unique_reg_note.
2075 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
2077         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
2078         (ix86_builtin_conversion): New function.
2080 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
2082         PR target/29487
2083         * tree.h (DECL_REPLACEABLE_P): New macro.
2084         * except.c (set_nothrow_function_flags): Likewise.
2086 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
2087             Ira Rosen  <irar@il.ibm.com>
2088             Dorit Nuzman  <dorit@il.ibm.com>
2090         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
2091         * targhooks.c (default_builtin_vectorized_conversion): New.
2092         * targhooks.h (default_builtin_vectorized_function): New declaration.
2093         * target.h (struct vectorize): Add builtin_conversion field.
2094         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
2095         stmt_vec_info_type value.
2096         (vectorizable_conversion): New declaration.
2097         * tree-vect-analyze.c (vect_analyze_operations): Add
2098         vectorizable_conversion call.
2099         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
2100         * tree-vect-transform.c (vectorizable_conversion): New function.
2101         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
2102         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2103         mode.
2104         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
2105         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
2106         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
2107         or ALTIVEC_BUILTIN_VCFSX.
2109 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2111         PR target/30634
2112         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
2113         CONST_DOUBLE and operand 0 is a hard register.
2114         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
2115         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
2116         is a hard floating-point register.
2118 2007-02-10  Richard Henderson  <rth@redhat.com>
2119             Jakub Jelinek  <jakub@redhat.com>
2120             Alexandre Oliva  <aoliva@redhat.com>
2122         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
2123         * builtin-types.def (BT_WORD): Make unsigned.
2124         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2125         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2126         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2127         * c-decl.c (grokdeclarator): Don't error if !have_tls.
2128         * c-parser.c (c_parser_omp_threadprivate): Likewise.
2129         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2130         emulated tls.
2131         * expr.c (emutls_var_address): New.
2132         (expand_expr_real_1): Expand emulated tls.
2133         (expand_expr_addr_expr_1): Likewise.
2134         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2135         * output.h (emutls_finish): Declare.
2136         * toplev.c (compile_file): Call it.
2137         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2138         address before wrapping in CONST.
2139         * varasm.c (emutls_htab, emutls_object_type): New.
2140         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2141         (get_emutls_object_name, get_emutls_object_type): New.
2142         (get_emutls_init_templ_addr, emutls_decl): New.
2143         (emutls_common_1, emutls_finish): New.
2144         (assemble_variable): When emulating tls, swap decls; generate
2145         constructor for the emutls objects.
2146         (do_assemble_alias): When emulating tls, swap decl and target name.
2147         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2148         for emulated tls.
2149         * varpool.c (decide_is_variable_needed): Look at force_output.
2150         Recurse for emulated tls.
2151         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
2152         with decide_is_variable_needed.
2153         * emutls.c: New file.
2154         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2155         tls_object for real tls.
2157 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2159         PR rtl-optimization/29599
2160         * reload1.c (eliminate_regs_in_insn): Take the destination
2161         mode into account when computing the offset.
2163 2007-02-09  Stuart Hastings  <stuart@apple.com>
2164             Richard Henderson  <rth@redhat.com>
2166         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2167         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2168         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
2169         fixuns_truncdfhi2): New.
2170         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
2171         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
2172         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
2173         (floatunssidf2): Allow nonimmediate source.
2174         * gcc/config/i386/sse.md (movdi_to_sse): New.
2175         (vec_concatv2di): Drop '*'.
2176         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
2177         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2178         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
2179         New.
2180         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
2181         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2182         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
2183         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
2184         (ix86_build_signbit_mask): Fix decl of v, refactor to call
2185         ix86_build_const_vector.
2186         (x86_emit_floatuns): Rewrite.
2188 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2190         * genautomata.c (longest_path_length): Delete unused function.
2191         (struct state): Delete unused longest_path_length.
2192         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
2193         (get_free_state): Delete unused.
2195 2007-02-09  Jan Hubicka  <jh@suse.cz>
2197         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
2198         * doc/invoke.texi (inline-unit-growth): Update default value.
2200         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
2201         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
2202         (rebuild_cgraph_edges): Likewise.
2203         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
2204         (dump_cgraph_node): Dump frequencies.
2205         (cgraph_clone_edge): Add frequency scales.
2206         (cgraph_clone_node): Add freuqnecy.
2207         * cgraph.h (cgraph_edge): Add freuqnecy argument.
2208         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
2209         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
2210         * tree-pass.h (TODO_rebuild_frequencies): New constant.
2211         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
2212         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
2213         (save_inline_function_body): Likewise.
2214         * ipa-inline.c: inluce rtl.h
2215         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
2216         (cgraph_edge_badness): Use frequencies.
2217         (cgraph_decide_recursive_inlining): Update clonning.
2218         (cgraph_decide_inlining_of_small_function): Dump frequency.
2219         * predict.c (estimate_bb_frequencies): Export.
2220         * predict.h (estimate_bb_frequencies): Declare.
2221         * tree-inline.c (copy_bb): Watch overflows.
2222         (expand_call_inline): Update call of cgraph_create_edge.
2223         (optimize_inline_calls): Use TODO flags to update frequnecies.
2224         * passes.h: Include predict.h
2225         (init_optimization_passes): Move profile ahead.
2226         (execute_function_todo): Handle TODO_rebuild_frequencies.
2228 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2230         * config/alpha/alpha.c (emit_insxl): Force the first operand of
2231         the insbl or inswl pattern into a register.
2233 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2235         * config/ia64/ia64.md (bswapdi2): New define_insn.
2237 2007-02-09  Richard Henderson  <rth@redhat.com>
2239         * config/i386/constraints.md (Ym): New constraint.
2240         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
2241         (movdi_1_rex64): Split sse and xmm general register moves from
2242         memory move alternatives.  Use conditional register constraints.
2243         (movsf_1, movdf_integer): Likewise.
2244         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
2245         (movdf_integer_rex64): New.
2246         (pushsf_rex64): Fix output constraints.
2247         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
2248         (sse2_stored): Likewise.
2249         (sse2_storeq_rex64): New.
2250         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
2251         amd and not generic.
2252         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
2253         for optimize_size.  Remove SF/DFmode hack.
2255 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2257         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
2258         (bit_SSE4a): New.
2260 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
2261             Richard Sandiford  <richard@codesourcery.com>
2263         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
2264         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
2265         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
2266         m68k/t-mlib to tmake_file.
2267         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
2268         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
2269         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
2270         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
2271         variable is not empty, add t-$m68k_arch_family to tmake_file.
2272         Add t-mlibs to tmake_file.
2273         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
2274         * config/m68k/t-cf: New file.
2275         * config/m68k/t-m68k: Likewise.
2276         * config/m68k/t-mlibs: Likewise.
2277         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2278         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2279         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2280         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2281         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
2282         Delete.
2283         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
2284         (INSTALL_LIBGCC): Delete.
2285         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2286         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2287         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2288         (M68K_MLIB_CPU): Define.
2289         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2290         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2291         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
2293 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2294             Richard Guenther  <rguenther@suse.de>
2296         PR middle-end/23361
2297         * fold-const.c (fold_comparison): Handle obfuscated comparisons
2298         against INT_MIN/INT_MAX.
2299         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
2300         file if a loop is removed.
2302 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
2304         * calls.c (store_one_arg): Pass correct alignment to
2305         emit_push_insn for non-BLKmode values.
2306         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
2307         unaligned stack slot via a suitably aligned slot.
2309 2007-02-08  DJ Delorie  <dj@redhat.com>
2311         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
2312         warnings.
2313         (legal_subregs): Use unsigned char, make const.
2314         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
2316 2007-02-08  Paul Brook  <paul@codesourcery.com>
2318         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
2319         special interworking needed.
2321 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
2323         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
2324         conditional to __SSE2__.
2325         (Entries below should have been added to first ChangeLog
2326         entry for amdfam10 dated 2007-02-05)
2327         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
2328         defined.
2329         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
2330         defined.
2331         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
2332         defined.
2334 2007-02-08  DJ Delorie  <dj@redhat.com>
2336         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
2337         * config/m32c/m32c.c (legal_subregs): New.
2338         (m32c_illegal_subreg_p): New.
2339         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2340         unsupported subregs of hard regs.
2342 2007-02-08  Jan Hubicka  <jh@suse.cz>
2344         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2345         the same one; always update histograms.
2347 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2349         * passes.c (init_optimization_passes): Tidy comment.
2351 2007-02-08  Roger Sayle  <roger@eyesopen.com>
2353         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2354         strip zero_extend, bswap and rotates from POCOUNT's argument.
2355         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2356         zero_extend and rotates from PARITY's argument.
2357         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2358         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2359         of an integer constant at compile-time.
2361 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2363         PR 30562
2364         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2365         Update all users.
2366         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
2367         users.
2368         (init_alias_info):
2369         * tree-ssa-live.c (remove_unused_locals): Do not remove
2370         TREE_ADDRESSABLE variables.
2371         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2372         * tree-ssa-operands.c (add_virtual_operand): Remove argument
2373         FOR_CLOBBER.  Update all users.
2374         If VAR has an associated alias set, add a virtual operand for
2375         it if no alias is found to conflict with the memory reference.
2377 2007-02-07  Jan Hubicka  <jh@suse.cz>
2378             Robert Kidd <rkidd@crhc.uiuc.edu>
2380         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2382 2007-02-07  Ian Lance Taylor  <iant@google.com>
2384         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2386 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2388         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2389         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2390         tablejumpdi, movsi_to_cr_one): Remove constraints from
2391         define_expand's match_operands.
2393 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2395         * global.c (compute_regsets): Move declatation of "i" inside of
2396         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2398 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2400         PR c++/30703
2401         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2402         of INDIRECT_REF <RESULT_DECL>.
2404         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2406 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
2407             Kaz Kojima  <kkojima@gcc.gnu.org>
2409         PR target/29746
2410         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2411         properly.
2412         (sh_initialize_trampoline): Add parentheses to avoid a warning.
2414 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2416         * doc/loop.texi: Document possibility not to perform disambiguation
2417         of loops with multiple latches.
2418         * cfgloopmanip.c (alp_enum_p): Removed.
2419         (add_loop): Handle subloops.  Use get_loop_body_with_size.
2420         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2421         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2422         the new forwarder block.
2423         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2424         Handle the case latch is NULL.
2425         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2426         when marking loop exits.
2427         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
2428         be modified.
2429         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
2430         disambiguate_loops_with_multiple_latches.
2431         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2432         before fix_loop_structure.
2433         * cfgloop.c: Include pointer-set.h and output.h.
2434         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2435         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2436         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2437         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2438         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2439         disambiguate_multiple_latches, get_loop_body_with_size,
2440         disambiguate_loops_with_multiple_latches): New functions.
2441         (flow_loop_dump): Dump multiple latch edges.
2442         (flow_loop_nodes_find): Handle loops with multiple latches.
2443         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2444         (glb_enum_p): Modified.
2445         (get_loop_body): Use get_loop_body_with_size.
2446         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2447         (AVOID_CFG_MODIFICATIONS): New constant.
2448         (disambiguate_loops_with_multiple_latches, add_loop,
2449         get_loop_body_with_size): Declare.
2450         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2452 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
2454         PR inline-asm/28686
2455         * global.c (compute_regsets): New function.
2456         (global_alloc): Refactored ELIMINABLE_REGSET
2457         and NO_GLOBAL_ALLOC_REGS computation out.
2458         (rest_of_handle_global_alloc): Call compute_regsets()
2459         for non-optimizing case.
2461 2007-02-06  Richard Henderson  <rth@redhat.com>
2463         * config/i386/constraints.md (Y2): Rename from Y.
2464         (Yi): New constraint.
2465         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2466         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2467         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2468         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2469         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2470         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2471         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2472         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2473         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2474         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2475         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2476         vec_extractv2si_1): Change Y constraints to Y2.
2477         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2478         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2479         Change Y constraints to Y2.
2480         (sse2_loadld): Change Y constraints to x.
2482 2007-02-06  Roger Sayle  <roger@eyesopen.com>
2484         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2485         (parity<mode>2): New define_expand using rs6000_emit_parity.
2486         * config/rs6000/rs6000.c (rs6000_emit_popcount,
2487         rs6000_emit_parity): New functions.
2488         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2489         rs6000_emit_parity): Prototype here.
2491 2007-02-06  Ian Lance Taylor  <iant@google.com>
2493         * lower-subreg.c (simple_move_operand): Reject CONST.
2494         (resolve_clobber): Call validate_change rather than directly
2495         assigning to XEXP (pat, 0).
2497 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2499         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2500         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2501         (tree-cfg.o): Remove hashtab.h dependency.
2503         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2504         (struct ivopts_data): Change niters to pointer_map_t.
2505         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2506         (niter_for_exit): Create pointer_map on demand.  Change for
2507         pointer_map API.
2508         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2509         (free_loop_data): Destroy data->niters if created and reset field.
2510         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2511         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2513         * tree-ssa-reassoc.c: Include pointer-set.h.
2514         (bb_rank): Change to long *.
2515         (operand_rank): Change to pointer_map_t.
2516         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2517         (insert_operand_rank): Accept long.
2518         (operand_entry_hash, operand_entry_eq): Remove.
2519         (get_rank): Return long.  Adjust for changes above.
2520         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2521         and operand_rank.
2522         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2524         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2525         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2526         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2527         is not NULL.
2528         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2529         directly since it cannot be NULL.
2530         (get_vi_for_tree): Rewrite for pointer_map API.
2531         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2532         (init_alias_vars): Create vi_for_tree as pointer_map.
2533         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2535         * tree-cfg.c: Don't include hashtab.h.
2536         (edge_to_cases): Declare as pointer_map.
2537         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2538         Delete.
2539         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2540         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2541         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2542         destroying it.
2543         (record_switch_edge): Delete.
2544         (get_cases_for_edge): Adjust for pointer_map API, inline
2545         record_switch_edge (rewritten for new API), remove goto.
2547 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2549         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2550         * tree-nested.c: Include pointer-set.h.
2551         (var_map_elt, var_map_eq, var_map_hash): Delete.
2552         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2553         to pointer_map_t's.
2554         (nesting_info_bitmap_obstack): New.
2555         (lookup_field_for_decl): Adjust for pointer_map API.
2556         (lookup_tramp_for_decl): Adjust for pointer_map API.
2557         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2558         (get_local_debug_decl): Adjust for pointer_map API.
2559         (convert_nl_goto_reference): Adjust for pointer_map API.
2560         (convert_nl_goto_receiver): Adjust for pointer_map API.
2561         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2562         the new obstack.  Create field_map and var_map as pointer_maps.
2563         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2564         (root): Delete.
2565         (lower_nested_functions): Move root here, no need to NULL it.
2566         Initialize and release the obstack.
2568 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2570         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2571         Remove prototypes and make them non-static.
2572         (struct tree_int_map): Remove.
2573         * tree.h (struct tree_int_map): Move here, turning TO into an
2574         unsigned int.
2575         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2577         * tree.h (TREE_COMPLEXITY): Remove.
2578         (struct tree_exp): Remove complexity field.
2579         * tree.c (build1_stat): Don't set it.
2581 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2582             Victor Kaplansky  <victork@il.ibm.com>
2584         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2585         (vect_is_simple_reduction): Support reduction with induction as
2586         one of the operands.
2587         (vect_is_simple_iv_evolution): Fix formatting.
2588         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2589         formatting.  Don't mark induction phis for vectorization.
2590         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2591         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2592         (vect_get_vec_def_for_operand): Support induction.
2593         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2594         induction case.
2595         (vectorizable_reduction): Support reduction with induction as one of
2596         the operands.
2597         (vectorizable_type_demotion): Use def-type of stmt argument rather
2598         than dummy def-type.
2600         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2601         flag_tree_scev_cprop.
2602         * common.opt (tree-scev-cprop): New flag.
2604         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2605         call to vect_get_new_vect_var.
2607 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2609         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2610         vectype is not NULL.
2611         (vect_pattern_recog_1): Likewise.
2613 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2615         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2616         (fold_negate_expr): Likewise.
2618 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2620         PR debug/30189
2621         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2622         even if cv-qualification is the same.
2624 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2626         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2627         __enable_execute_stack on completion.
2629 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2631         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2632         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2633         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2634         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2635         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2636         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2637         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2638         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2640 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2642         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2643         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2644         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2645         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2646         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2647         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2648         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2649         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2650         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2651         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2652         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2653         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2654         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2655         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2656         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2657         sqrtextenddfxf2_i387): Added amdfam10_decode.
2659         * config/i386/athlon.md (athlon_idirect_amdfam10,
2660         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2661         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2662         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2663         athlon_ivector_store_amdfam10): New define_insn_reservation.
2664         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2665         amdfam10.
2667 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2669         * config/i386/athlon.md (athlon_call_amdfam10,
2670         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2671         define_insn_reservation.
2672         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2673         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2674         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2676 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2678         * config/i386/athlon.md (athlon_sseld_amdfam10,
2679         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2680         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2682 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2684         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2685         define_insn_reservation.
2686         * config/i386/i386.md (sseins): Added sseins to define_attr type
2687         and define_attr unit.
2688         * config/i386/sse.md: Set type attribute to sseins for insertq
2689         and insertqi.
2691 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2693         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2694         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2695         ssecomi_load_amdfam10, ssecomi_amdfam10,
2696         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2697         define_insn_reservation.
2698         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2700 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2702         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2703         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2704         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2705         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2706         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2707         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2708         define_insn_reservation.
2710         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2711         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2712         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2713         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2714         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2716 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2718         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2719         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2720         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2721         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2722         athlon_ssemul_load_k8): Added amdfam10.
2724 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2726         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2727         (x86_sse_unaligned_move_optimal): New variable.
2729         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2730         m_AMDFAM10.
2731         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2732         for unaligned vector SSE double/single precision loads for AMDFAM10.
2734 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2736         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2737         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2738         Define TARGET_CPU_DEFAULT_amdfam10.
2739         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2740         (processor_type): Add PROCESSOR_AMDFAM10.
2742         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2743         processor_type in config/i386/i386.h.
2744         Enable imul peepholes for TARGET_AMDFAM10.
2746         * config.gcc: Add support for --with-cpu option for amdfam10.
2748         * config/i386/i386.c (amdfam10_cost): New variable.
2749         (m_AMDFAM10): New macro.
2750         (m_ATHLON_K8_AMDFAM10): New macro.
2751         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2752         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2753         x86_promote_QImode, x86_integer_DFmode_moves,
2754         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2755         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2756         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2757         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2758         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2759         Enable/disable for amdfam10.
2760         (override_options): Add amdfam10_cost to processor_target_table.
2761         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2762         processor_alias_table.
2763         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2764         (ix86_adjust_cost): Add code for amdfam10.
2766 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2768         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2769         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2770         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2771         * config/i386/i386.h: Add builtin definition for SSE4A.
2772         * config/i386/i386.md: Add support for ABM instructions
2773         (popcnt and lzcnt).
2774         * config/i386/sse.md: Add support for SSE4A instructions
2775         (movntss, movntsd, extrq, insertq).
2776         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2777         Add -march=amdfam10 flag.
2778         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2779         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2780         and amdfam10.
2781         * doc/extend.texi: Add documentation for SSE4A builtins.
2783 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2785         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2787 2007-02-05  Richard Guenther  <rguenther@suse.de>
2789         * tree-vectorizer.h (vectorizable_function): Add argument type
2790         argument, change return type.
2791         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2792         * tree-vect-transform.c (vectorizable_function): Handle extra
2793         argument, return vectorized function decl.
2794         (build_vectorized_function_call): Remove.
2795         (vectorizable_call): Handle calls with result and argument types
2796         differing.  Handle loop vectorization factor correctly.
2797         * targhooks.c (default_builtin_vectorized_function): Adjust for
2798         extra argument.
2799         * targhooks.h (default_builtin_vectorized_function): Likewise.
2800         * target.h (builtin_vectorized_function): Add argument type
2801         argument.
2802         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2803         extra argument, allow vectorizing of lrintf.
2804         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2805         documentation of target hook.
2807 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2809         PR target/30665
2810         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2811         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2812         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2814 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2816         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2817         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2818         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2819         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2820         before canonicalizing sincos to cexpi.
2821         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2823 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2825         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2826         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2827         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2829 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2831         * mips-tfile.c (initialize_init_file): Correct endianness test.
2833 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2835         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2836         the 'y' constraint.
2838 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2840         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2841         saves in a PARALLEL before the register assignments.
2843 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2845         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2846         DWARF_FRAME_RETURN_COLUMN to be a general register.
2847         * dwarf2out.c (init_return_column_size): New function, split from...
2848         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2849         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2850         to be nongeneral registers.
2851         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2852         integer registers.
2853         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2854         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2856 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2858         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2860 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2862         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2863         (remove_path): Use can_remove_branch_p and remove_branch instead
2864         of loop_delete_branch_edge.
2865         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2866         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2867         Update profile using scale_dominated_blocks_in_loop.
2868         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2869         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2870         (can_remove_branch_p, remove_branch): Declare.
2871         * tree-cfg.c (tree_can_remove_branch_p): New function.
2872         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2873         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2874         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2876 2007-02-05  Jan Hubicka  <jh@suse.cz>
2878         PR middle-end/30696
2879         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2880         nodes in cgraph, don't remove offline copy of the function.
2882 2007-02-04  Jan Hubicka  <jh@suse.cz>
2884         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2885         vectors might cause maybe_lookup_element_for_expr to be called
2886         on non-sra-candidate.
2888 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2890         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2891         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2892         spelling conventions.
2894 2007-02-04  Richard Guenther  <rguenther@suse.de>
2896         PR middle-end/30636
2897         * fold-const.c (try_move_mult_to_index): Make sure to not
2898         overflow one dimension of a multi-dimensional array access.
2900 2007-02-04  Jan Hubicka  <jh@suse.cz>
2902         * passes.c (init_optimization_passes): Reindent.
2904 2007-02-04  Jan Hubicka  <jh@suse.cz>
2905             Eric Botcazou  <ebotcazou@adacore.com>
2907         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2908         (execute_fixup_cfg): Break out the abnormal goto code.
2909         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2910         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2911         (optimize_inline_calls): Call make_nonlocal_label_edges.
2913 2007-02-04  Jan Hubicka  <jh@suse.cz>
2915         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2916         true when something was changed.
2917         (rename_ssa_copies): When something was changed, do
2918         TODO_remove_unused_locals.
2919         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2920         add TODO_remove_unused_locals when instruction was removed.
2922 2007-02-04  Jan Hubicka  <jh@suse.cz>
2924         * ipa-inline.c (try_inline): Improve debug output; work on already
2925         inline edges too.
2926         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2927         call try_inline for already inlined edges too when flattening;
2928         inline also functions that make callee growth but overall unit size
2929         reduce.
2931 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2933         * config/m32c/bitops.md, config/m32c/jump.md,
2934         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2935         config/m32r/m32r.h, config/m32r/m32r.md,
2936         config/m32r/predicates.md, config/m68hc11/larith.asm,
2937         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2938         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2939         config/mips/mips-protos.h, config/mips/mips.c,
2940         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2941         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2942         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2943         spelling conventions.
2945         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2946         Follow spelling conventions.
2948 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2950         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2951         warn about C++0x compatibility.
2953 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2955         * config/h8300/h8300.c, config/h8300/h8300.h,
2956         config/h8300/h8300.md: Follow spelling conventions.
2958 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2960         PR middle-end/30667
2961         * combine.c (try_combine): Do not substitute source operand
2962         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2964 2007-02-03  Jan Hubicka  <jh@suse.cz>
2966         PR gcov-profile/30650
2967         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2968         do not divide by zero for never executed counters.
2969         (tree_find_values_to_profile): Fix counters.
2970         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2972 2007-02-03  Ian Lance Taylor  <iant@google.com>
2974         * lower-subreg.c (simple_move_operand): New static function,
2975         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2976         operands.
2977         (simple_move): Call simple_move_operand.
2978         (find_decomposable_subregs): Add special handling of MEMs.
2979         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2980         meaning of return value.  If we see a hard register, test whether
2981         it can store a word_mode value.  Change all callers.
2983 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2985         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2986         ftrapv insns and expanders.
2987         (subdi3): Change define_expand operand 1 to arith11_operand, and
2988         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2989         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2990         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2991         respectively.
2993         PR middle-end/30174
2994         * varasm.c (notice_global_symbol): Treat global objects as weak when
2995         flag_shlib is true.
2997 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2999         * emit-rtl.c (dconstpi): Delete.
3000         (dconstsqrt2): New.
3001         (init_emit_once): Delete dconstpi and init dconstsqrt2.
3002         * real.h (dconstpi): Delete.
3003         (dconstsqrt2): New.
3004         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
3005         (fold_builtin_hypot): Likewise.
3007 2007-02-03  Tom Tromey  <tromey@redhat.com>
3009         PR driver/30246
3010         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
3011         -gcoff3, -gxcoff3, -gvms3 implies -dD.
3013 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
3015         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
3016         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
3017         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
3018         config/rs6000/cell.md, config/rs6000/darwin.h,
3019         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
3020         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
3021         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
3022         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
3023         typos.  Follow spelling conventions.
3024         * doc/invoke.texi: Follow spelling conventions.
3026 2007-02-03  Roger Sayle  <roger@eyesopen.com>
3028         * simplify-rtx.c (simplify_relational_operation_1): Implement some
3029         canonicalization transformations that attempt to simplify integer
3030         constant comparisons to become comparisons against zero.
3032 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3034         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
3035         fabs(x)*sqrt(2).
3036         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
3037         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
3039 2007-02-02  Mike Stump  <mrs@apple.com>
3041         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
3042         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
3043         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
3044         generate a branch island.
3046 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
3048         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
3049         (xtensa_legitimate_address_p): New.
3050         (xtensa_legitimize_address): New.
3051         (xtensa_output_addr_const_extra): New.
3052         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
3053         (BASE_REG_P): New.
3054         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
3055         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
3056         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
3057         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
3058         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
3059         (xtensa_legitimize_address): New.
3060         (xtensa_output_addr_const_extra): New.
3062 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
3064         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
3066 2007-02-02  Ian Lance Taylor  <iant@google.com>
3068         * expmed.c (expand_divmod): Add comment.
3070 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
3072         * emit-rtl.c (renumber_insns): Remove.
3073         * flags.h: Remove the extern for flag_renumber_insns.
3074         * rtl.h: Remove the prototype for renumber_insns.
3075         * toplev.c (flag_renumber_insns): Remove.
3077 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
3079         Revert for x86 darwin:
3080         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
3082         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
3083         code before the following patch under TARGET_MACHO.
3084         (ix86_function_value_regno_p): Likewise.
3086 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3088         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
3089         COMPLEX_EXPR.
3091 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3093         PR target/29682
3094         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
3095         general or fp registers.  Add comments.
3096         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
3098 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
3100         * pointer-set.c (insert_aux): Only return insertion slot.
3101         (pointer_set_insert): Adjust.
3102         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
3103         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
3104         pointer_map_traverse): New.
3105         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
3106         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
3107         pointer_map_contains, pointer_map_traverse): Declare.
3109 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
3111         PR middle-end/30473
3112         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
3113         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
3115 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3117         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
3119         (struct _dep): New type.
3120         (dep_t): New typedef.
3121         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
3122         (DEP_STATUS): New access macro.  The macro with the same name was
3123         renamed to DEP_LINK_STATUS.
3124         (dep_init): Declare function
3126         (struct _dep_link): New type.
3127         (dep_link_t): New typedef.
3128         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
3129         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
3130         (DEP_LINK_STATUS): New macro.
3131         (debug_dep_links): New debug function.
3133         (struct _deps_list): New type.
3134         (deps_list_t): New typedef.
3135         (DEPS_LIST_FIRST): New access macro.
3136         (FOR_EACH_DEP_LINK): New cycle macro.
3137         (create_deps_list, free_deps_list, delete_deps_list): Declare
3138         functions.
3139         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
3140         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
3141         (copy_deps_list_change_con): Ditto.
3143         (move_dep_link): Declare function.
3145         (struct _dep_node): New type.
3146         (dep_node_t): New typedef.
3147         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
3149         (struct haifa_insn_data.back_deps): New field to hold backward
3150         dependencies of the insn.
3151         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
3152         to deps_list_t.
3153         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
3154         Change its type to deps_list_t.
3155         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
3156         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
3157         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
3159         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
3161         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
3163         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
3164         all callers.
3165         (dep_cost): Declare.
3167         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
3168         (ds_to_dk, dk_to_ds): New functions.
3170         (init_dep_1): New static function.
3171         (init_dep): New function.
3172         (copy_dep): New static function.
3174         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
3175         functions.
3176         (detach_dep_link): New static function.
3177         (move_dep_link): New function.
3179         (dep_links_consistent_p, dump_dep_links): New static functions.
3180         (debug_dep_links): New debugging function.
3182         (deps_obstack, dl_obstack, dn_obstack): New static variables.
3184         (alloc_deps_list, init_deps_list): New static functions.
3185         (create_deps_list): New function.
3186         (clear_deps_list): New static function.
3187         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
3188         (deps_list_consistent_p, dump_deps_list): New static functions.
3189         (debug_deps_list): New function.
3190         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
3191         functions.
3192         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
3194         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
3195         use new scheduler dependencies lists.
3196         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
3197         (sched_analyze): Ditto.  Initialize dependencies lists.
3198         (add_forw_dep, compute_forward_dependences): Update to use new
3199         scheduler dependencies lists.
3201         (init_dependency_caches): Init deps_obstack.
3202         (free_dependency_caches): Free deps_obstack.
3204         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
3205         new scheduler dependencies lists.
3206         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
3207         (add_back_forw_dep, delete_back_forw_dep): Ditto.
3209         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
3210         Update to use new scheduler dependencies lists.
3211         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
3212         (debug_dependencies): Ditto.
3213         (schedule_region): Update comments.
3215         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
3216         scheduler dependencies lists.
3217         (schedule_ebb): Update comments.
3219         * rtl.def (DEPS_LIST): Remove.
3221         * lists.c (unused_deps_list): Remove.
3222         (free_list): Update assertions.
3224         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
3225         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3227         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
3228         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3230         * haifa-sched.c (comments): Update.
3231         (insn_cost1): Remove.  Inline the code into insn_cost ().
3232         (insn_cost): Update to use new scheduler dependencies lists.  Move
3233         processing of the dependency cost to dep_cost ().
3234         (dep_cost): New function.  Use it instead of insn_cost () when
3235         evaluating cost of the dependency.  Use compatible interface to
3236         interact with the target.
3237         (priority): Update to use new scheduler dependencies lists.
3238         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
3239         with greater number of insns that depend on the insn.
3240         (schedule_insn): Update to use new scheduler dependencies lists.  Add
3241         code to free backward dependencies lists.  Inline and optimize code
3242         from resolve_dep () - see PR28071.
3243         (ok_for_early_queue_removal): Update to use new scheduler dependencies
3244         lists.  Update call to targetm.sched.is_costly_dependence hook.
3246         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
3247         scheduler dependencies lists.
3249         (resolve_dep): Remove.  Move the logic to schedule_insn ().
3250         (init_h_i_d): Initialize dependencies lists.
3252         (process_insn_depend_be_in_spec): Rename to
3253         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
3254         dependencies lists.
3255         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
3256         Update to use new scheduler dependencies lists.
3257         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
3259         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
3260         new scheduler dependencies lists.
3261         (build_intra_loop_deps): Ditto.
3263         * target.h (struct _dep): Declare to use in
3264         gcc_target.sched.is_costly_dependence.
3265         (struct gcc_target.sched.adjust_cost): Fix typo.
3266         (struct gcc_target.sched.is_costly_dependence): Change signature to use
3267         single dep_t parameter instead of an equivalent triad.
3268         (struct gcc_target.sched.adjust_cost_2): Remove.
3270         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
3272         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
3274         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
3275         documentation.
3276         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
3278         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
3279         (REG_DEP_TRUE): Document.
3281         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
3282         Change signature to correspond to the targetm.sched.adjust_cost hook.
3283         Update use in TARGET_SCHED_ADJUST_COST_2.
3284         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
3285         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
3286         new scheduler dependencies lists.
3287         (ia64_gen_check): Ditto.
3289         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
3290         dependencies lists.
3292         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
3293         signature to correspond to the targetm.sched.is_costly_dependence hook.
3294         (is_costly_group): Update to use new scheduler dependencies lists.
3296         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
3297         instead of INSN_COST () macro.
3299 2007-02-01  Ian Lance Taylor  <iant@google.com>
3301         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
3303 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
3305         * pa.md (tp_load): Correct mfctl instruction syntax.
3307 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
3309         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
3310         altivec_padding_size calculation on AIX.  Improve comment, add
3311         assert to verify that it's right.
3313         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
3314         64-bit.
3316 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
3318         PR inline-asm/28686
3319         * global.c (global_alloc): Add mising initialization of
3320         ELIMINABLE_REGSET.
3322 2007-02-01  Roger Sayle  <roger@eyesopen.com>
3324         * alias.c (init_alias_analysis): Correct whitespace.
3325         * bb-reorder.c (fix_edges_for_rarely_executed_code,
3326         partition_hot_cold_basic_blocks): Likewise.
3327         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3328         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
3329         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3330         fold_builtin_snprintf_chk, fold_builtin_printf,
3331         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
3332         do_mpfr_arg3, do_mpfr_sincos): Likewise.
3333         * cfgcleanup.c (cleanup_cfg): Likewise.
3334         * cfgexpand.c (tree_expand_cfg): Likewise.
3335         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
3336         * function.c (get_next_funcdef_no): Likewise.
3337         * gengtype.c (main): Likewise.
3338         * genmodes.c (main): Likewise.
3339         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3340         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3341         * ifcvt.c (noce_emit_move_insn): Likewise.
3342         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
3343         Likewise.
3344         * stor-layout.c (get_best_mode): Likewise.
3345         * tree-ssa-loop-niter.c (get_val_for): Likewise.
3346         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3347         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3348         perform_var_substitution, solve_graph): Likewise.
3349         * tree-vrp.c (vrp_finalize): Likewise.
3351 2007-02-01  Ian Lance Taylor  <iant@google.com>
3353         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3354         high part of a paradoxical subreg, return a constant zero.
3356 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
3358         * toplev.c (lang_dependent_init): Call init_set_costs.
3359         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3361 2007-02-01  Richard Guenther  <rguenther@suse.de>
3363         PR middle-end/30656
3364         * fold-const.c (fold_negate_expr): Allow negating a
3365         constant if overflow does not change.
3367 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3369         * doc/c-tree.texi (Expression trees): Improve markup.
3370         * doc/tm.texi (Register Classes, Addressing Modes)
3371         (Floating Point): Fix spacing after abbreviations.  Fix some
3372         typos.
3374 2007-02-01  Ben Elliston  <bje@au.ibm.com>
3376         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3377         * doc/contrib.texi: Likewise.
3378         * doc/install.texi: Likewise.
3380 2007-01-31  Richard Henderson  <rth@redhat.com>
3381             Ian Lance Taylor  <iant@google.com>
3383         * lower-subreg.c: New file.
3384         * rtl.def (CONCATN): Define.
3385         * passes.c (init_optimization_passes): Add pass_lower_subreg and
3386         pass_lower_subreg2.
3387         * emit-rtl.c (update_reg_offset): New static function, broken out
3388         of gen_rtx_REG_offset.
3389         (gen_rtx_REG_offset): Call update_reg_offset.
3390         (gen_reg_rtx_offset): New function.
3391         * regclass.c: Revert patch of 2006-03-05, restoring
3392         reg_scan_update.
3393         (clear_reg_info_regno): New function.
3394         * dwarf2out.c (concatn_loc_descriptor): New static function.
3395         (loc_descriptor): Handle CONCATN.
3396         * common.opt (fsplit_wide_types): New option.
3397         * opts.c (decode_options): Set flag_split_wide_types when
3398         optimizing.
3399         * timevar.def (TV_LOWER_SUBREG): Define.
3400         * rtl.h (gen_reg_rtx_offset): Declare.
3401         (reg_scan_update): Declare.
3402         * regs.h (clear_reg_info_regno): Declare.
3403         * tree-pass.h (pass_lower_subreg): Declare.
3404         (pass_lower_subreg2): Declare.
3405         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3406         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
3407         -fsplit-wide-types.
3408         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3409         * Makefile.in (OBJS-common): Add lower-subreg.o.
3410         (lower-subreg.o): New target.
3412 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3414         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3416 2007-01-31  Anatoly Sokolov <aesok@post.ru>
3418         PR target/19087
3419         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3421 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3423         PR middle-end/29335
3424         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3426 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
3428         * cfgloop.h: Include vec-prim.h.
3429         (enum li_flags): Remove LI_ONLY_OLD.
3430         (loop_iterator): Changed.
3431         (fel_next, fel_init): Iterate over loop tree.
3432         (FOR_EACH_LOOP_BREAK): New macro.
3433         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3434         FOR_EACH_LOOP.
3435         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3436         * modulo-sched.c (sms_schedule): Ditto.
3437         * tree-vectorizer.c (vectorize_loops): Ditto.
3438         * doc/loop.texi: Update information on loop numbering and behavior of
3439         FOR_EACH_LOOP wrto new loops.
3440         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3441         add_to_evolution_1): Test nestedness of loops instead of comparing
3442         their numbers.
3443         * tree-chrec.c (chrec_fold_plus_poly_poly,
3444         chrec_fold_multiply_poly_poly, chrec_evaluate,
3445         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3446         reset_evolution_in_loop): Ditto.
3447         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3449 2007-01-31  Dirk Mueller  <dmueller@suse.de>
3451         * c-common.c (warn_about_parentheses): Separate warning about
3452         un-parenthized sequence of comparison operators from the one
3453         which is supposed to warn about x <= y <= z.
3455 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
3457         * optabs.h (enum optab_index): Add new OTI_isinf.
3458         (isinf_optab): Define corresponding macro.
3459         * optabs.c (init_optabs): Initialize isinf_optab.
3460         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3461         patterns.
3462         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3463         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3464         using isinf_optab.
3465         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3466         expand_builtin_interclass_mathfn.
3467         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3468         * config/i386/i386.md (UNSPEC_FXAM): New constant.
3469         (fxam<mode>2_i387): New insn pattern.
3470         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3471         built-in functions as x87 inline asm.
3473 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3475         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3477 2007-01-30  Eric Christopher  <echristo@apple.com>
3479         * config.gcc: Add geode.
3481 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3483         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3484         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3485         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3486         value-prof.c: Fix comment typos.
3488 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3490         PR c++/24745
3491         * doc/invoke.texi (Wpointer-arith): Document warning.
3493 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
3495         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3496         the list of discrepancies from the draft TR.
3498 2007-01-30  Dirk Mueller  <dmueller@suse.de>
3500         PR c++/30601
3501         * doc/invoke.texi (-Wreturn-type): Update description to
3502         match new behavior.
3504 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
3506         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3508 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
3510         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3511         to handle optabs that operate on floating point input argument and
3512         output to integer output.
3513         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3514         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3515         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3516         expand_builtin_interclass_mathfn ().
3517         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3518         (ilogbsi2): Remove.
3519         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3520         ilogbl built-in functions as x87 intrinsics.
3522 2007-01-30  Richard Guenther  <rguenther@suse.de>
3524         PR middle-end/27657
3525         * dwarf2out.c (reference_to_unused): Query varpool if the
3526         variable was output.
3528 2007-01-30  Richard Guenther  <rguenther@suse.de>
3530         PR middle-end/30313
3531         * passes.c (execute_one_pass): Reset in_gimple_form to not
3532         confuse non-unit-at-a-time mode.
3534 2007-01-29  Roger Sayle  <roger@eyesopen.com>
3535             Richard Guenther  <rguenther@suse.de>
3537         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3538         avoid undefined behaviour on overflow.  Use force_fit_type_double
3539         to construct the constant with the specified TREE_OVERFLOW.
3541 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3543         * config/dfp-bit.c: Add parameterized support for fp exceptions.
3544         * config/dfp-bit.h: Ditto.
3546 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3548         * c-decl.c (pop_scope): Replace warnings with call to
3549         warn_for_unused_label.
3550         * c-common.h (warn_for_unused_label): Declare.
3551         * c-common.c (warn_for_unused_label): Define.
3553 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3555         * tree-optimize.c (update_inlined_to_pointers): Delete unused
3556         function.
3558 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3560         * Makefile.in (USER_H): Remove decfloat.h.
3561         * ginclude/decfloat.h: Delete, moving contents to ...
3562         * ginclude/float.h: Add support for decimal floating point,
3563         guarded by __STDC_WANT_DEC_FP__.
3565 2007-01-29  Mike Stump  <mrs@apple.com>
3567         * doc/gccint.texi (Top): Rename Loop Representation to Loop
3568         Analysis and Representation to resolve case insensitive conflict.
3569         * doc/loop.texi (Loop Analysis and Representation): Likewise.
3571 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
3573         * tree.h (struct tree_memory_tag): Add aliases member.
3574         (MTAG_ALIASES): New macro.
3575         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3576         (add_may_alias): Remove pointer-set. Update for may_aliases being
3577         a bitmap.
3578         (mark_aliases_call_clobbered): Update for may_aliases being a
3579         bitmap.
3580         (compute_tag_properties): Ditto.
3581         (create_partition_for): Ditto.
3582         (compute_memory_partitions): Ditto.
3583         (dump_may_aliases_for): Ditto.
3584         (is_aliased_with): Ditto.
3585         (add_may_alias_for_new_tag): Ditto.
3586         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3587         (compute_is_aliased): New function.
3588         (compute_may_aliases): Call compute_is_aliased).
3589         (init_alias_info): Initialize alias_bitmap_obstack.
3590         (union_alias_set_into): New function.
3591         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3592         (have_common_aliases_p): Rewrite to take two bitmaps and use
3593         intersection.
3594         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3595         Update for bitmaps.
3596         (finalize_ref_all_pointers): Update for add_may_alias changes.
3597         (new_type_alias): Ditto.
3598         * tree-flow-inline.h (may_aliases): Return a bitmap.
3599         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3600         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3601         may_aliases being a bitmap.
3602         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3603         may_aliases now returns a bitmap.
3604         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3605         being a bitmap.
3606         * tree-ssa-operands.c (add_virtual_operand): Update for
3607         may_aliases being a bitmap.
3609 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3611         PR tree-optimization/30630
3612         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3613         variable as changed.
3615 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3617         PR c++/28266
3618         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3619         expanded only once even if an error occurs.
3621 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3623         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3624         (__gcov_average_profiler): Likewise.
3625         (__gcov_ior_profiler): Likewise.
3626         (__gcov_merge_ior): Likewise.
3628 2007-01-28  Jan Hubicka  <jh@suse.cz>
3630         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3631         * value-prof.c (stringop_block_profile): Likewise.
3633 2007-01-28  Jan Hubicka  <jh@suse.cz>
3635         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3636         variant handling histograms; add wrapper.
3637         (clear_storage_via_libcall): Export.
3638         (emit_block_move_hints): Break out from ...; add histograms.
3639         (emit_block_move): ... this one.
3640         (clear_storage_hints): Break out from ...; add histograms.
3641         (clear_storage): ... this one.
3642         (set_storage_via_memset): Handle histogram.
3643         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3644         (clear_storage_hints, clear_storage_via_libcall): Declare.
3645         (set_storage_via_setmem): Update prototype.
3646         * doc/md.texi (movmem, setmem): Document new arguments.
3648         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3649         new histograms.
3650         (stringop_block_profile): New global function.
3651         (tree_stringops_values_to_profile): Profile block size and alignment.
3652         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3653         HIST_TYPE_IOR.
3654         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3655         (stringop_block_profile): Declare.
3656         * builtins.c: Include value-prof.h.
3657         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3658         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3659         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3660         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3661         * profile.c (instrument_values): Add new counters.
3662         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3663         calls.
3664         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3665         (tree_init_edge_profiler): Build new profilers.
3666         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3667         (pass_tree_profile): Add dump.
3668         (tree_profile_hooks): Update.
3669         * Makefile.in (LIBGCOV): Add new constants.
3670         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3671         __gcov_ior_profiler): New.
3672         * i386.md (movmem/setmem expanders): Add new optional arguments.
3674 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3676         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3678 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3680         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3681         (tree_unswitch_single_loop): Pass eni_size_weights to
3682         tree_num_loop_insns.
3683         * tree-ssa-loop-manip.c: Include tree-inline.h.
3684         (can_unroll_loop_p): Pass eni_size_weights to
3685         tree_num_loop_insns.
3686         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3687         Pass eni_size_weights to estimate_num_insns.
3688         * tree.h (init_inline_once): Export.
3689         * toplev.c (backend_init): Call init_inline_once.
3690         * cgraphunit.c (cgraph_process_new_functions,
3691         cgraph_analyze_function): Pass eni_inlining_weights to
3692         estimate_num_insns.
3693         * ipa-inline.c (compute_inline_parameters): Ditto.
3694         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3695         to estimate_num_insns.
3696         (try_unroll_loop_completely): Pass eni_size_weights to
3697         tree_num_loop_insns.
3698         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3699         ot estimate_num_insns.
3700         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3701         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3702         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3703         eni_time_weights): New variables.
3704         (init_inline_once): Initialize them.
3705         (struct eni_data): Mew.
3706         (estimate_num_insns_1, estimate_num_insns): Use weights.
3707         * tree-inline.h (struct eni_weights_d): New.
3708         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3709         (estimate_num_insns): Declaration changed.
3710         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3711         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3712         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3714 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3716         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3717         relations in the conflict function is valid.
3719 2007-01-27  Ian Lance Taylor  <iant@google.com>
3721         * common.opt: Add fstrict-overflow.
3722         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3723         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3724         (TYPE_OVERFLOW_UNDEFINED): Define.
3725         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3726         Replace all uses.
3727         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3728         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3729         (fold_negate_expr): Likewise.
3730         (make_range): Likewise.
3731         (extract_muldiv_1): Likewise.
3732         (maybe_canonicalize_comparison): Likewise.
3733         (fold_comparison): Likewise.
3734         (fold_binary): Likewise.
3735         (tree_expr_nonnegative_p): Likewise.
3736         (tree_expr_nonzero_p): Likewise.
3737         * tree-vrp.c (compare_values): Likewise.
3738         (extract_range_from_binary_expr): Likewise.
3739         (extract_range_from_unary_expr): Likewise.
3740         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3741         Likewise.
3742         (nowrap_type_p): Likewise.
3743         * tree-scalar-evolution.c (simple_iv): Likewise.
3744         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3745         (build_range_check): Likewise.
3746         (extract_muldiv_1): Likewise.
3747         (fold_comparison): Likewise.
3748         * tree-vrp.c (vrp_int_const_binop): Likewise.
3749         (extract_range_from_unary_expr): Likewise.
3750         * convert.c (convert_to_integer): Likewise.
3751         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3752         (fold_comparison): Likewise.
3753         (fold_binary): Likewise.
3754         * optabs.c (optab_for_tree_code): Likewise.
3755         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3756         * simplify-rtx.c (simplify_const_relational_operation): Check
3757         flag_strict_overflow and flag_trapv.
3758         (simplify_const_relational_operation): Likewise.
3759         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3760         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
3761         -fstrict-overflow.
3763 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3765         * tree.c (tree_fold_gcd): Delete.
3766         * tree.h (tree_fold_gcd): Remove prototype.
3767         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3768         test whether one constant integer is a multiple of another.  Instead
3769         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3770         * fold-const.c (multiple_of_p):  We've determined both TOP and
3771         BOTTOM are integer constants so we can call int_const_binop directly
3772         instead of the more generic const_binop.
3774 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3776         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3777         1*X check that the constant hasn't overflowed, to preserve the
3778         TREE_OVERFLOW bit.
3779         (round_up): Provide an efficient implementation when rouding-up an
3780         INTEGER_CST to a power-of-two.
3782 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3784         * doc/sourcebuild.texi: Add comma for clarity.
3785         * doc/extend.texi: Fix some typos.
3786         * doc/passes.texi: Likewise.
3787         * doc/cppinternals.texi: Likewise.
3788         * doc/c-tree.texi: Likewise.
3789         * doc/tree-ssa.texi: Likewise.
3790         * doc/install.texi: Likewise.
3792 2007-01-27  Jan Hubicka  <jh@suse.cz>
3794         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3795         (pass_sra): Do not require alias information.
3796         * passes.c (init_optimization_passes): Add SRA
3798 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3800         * tracer.c (rest_of_handle_tracer): We already cleaned
3801         up the CFG in tracer() so don't do it here again.
3802         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3803         cleanup_cfg here, either.  And don't call renumber_insns.
3805         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3806         and BB_HEAD are in the insn stream here.  Instead make sure
3807         that BB_INSN is valid on all insns.  Also, do check here that
3808         there are no pending branch predictions...
3809         (rtl_verify_flow_info): ...instead of doing it here.  Checks
3810         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3811         here.
3813 2007-01-26  Roger Sayle  <roger@eyesopen.com>
3815         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3816         function to simplify/factorize operand order canonicalization.
3817         (ix86_fixup_binary_operands): Reorganize using the above function.
3818         (ix86_binary_operator_ok): Likewise.
3820 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3822         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3823         file scope from optimize_attrs.
3824         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3825         up search.
3826         (optimize_attrs): Clear insn_code_values after freeing it.
3828 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3830         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3831         a parts.base assignment.
3833 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3835         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3836         (compute_subscript_distance, initialize_data_dependence_relation,
3837         finalize_ddr_dependent, analyze_ziv_subscript,
3838         analyze_siv_subscript_cst_affine,
3839         compute_overlap_steps_for_affine_univar,
3840         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3841         analyze_siv_subscript, analyze_miv_subscript,
3842         analyze_overlapping_iterations, subscript_dependence_tester_1,
3843         compute_self_dependence, free_dependence_relation): Work
3844         with affine_fn instead of chrecs.
3845         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3846         common_affine_function, affine_function_base,
3847         affine_function_constant_p, affine_fn_op, affine_fn_plus,
3848         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3849         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3850         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3851         (all_chrecs_equal_p): Removed.
3852         * tree-data-ref.h (affine_fn, conflict_function): New types.
3853         (struct subscript): Change type of conflicting_iterations_in_a
3854         and conflicting_iterations_in_b.
3856 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
3858         PR other/30182
3859         * config/pa/pa.h (TARGET_HPUX_11): New.
3860         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3861         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3863 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
3864         Richard Guenther  <rguenther@suse.de>
3866         * tree-ssa-structalias.c (solve_graph): Handle case
3867         we merged the variable to another.
3869 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3871         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3872         functions.
3874         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3875         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3877 2007-01-25  DJ Delorie  <dj@redhat.com>
3879         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3880         allow changes to modes which don't fit in those registers.
3882         * reload1.c (choose_reload_regs): Check for invalid subregs before
3883         computing their locations, not after.
3885 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
3887         PR 25127
3888         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3889         save Altivec registers in an eh_return function.
3890         (compute_vrsave_mask): Likewise.
3891         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3892         for saving Altivec registers.
3893         (rs6000_emit_prologue): Don't allocate stack twice in
3894         eh_return function.  Correct expected value of altivec_save_offset
3895         when using save_world.  Describe save of R0 to stack when using
3896         save_world.  Describe stack pointer adjustment when using
3897         save_world.  Remove duplicated eh_return parameter register saving.
3898         Update sp_offset variable after save_world.
3899         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3900         darwin-world.asm.
3901         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3902         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3903         implies Altivec.
3905 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3907         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3909 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3911         PR other/30182
3912         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3913         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
3915 2007-01-25  Richard Guenther  <rguenther@suse.de>
3917         * doc/invoke.texi (-Wcoverage-mismatch): Document.
3918         * common.opt (-Wcoverage-mismatch): New warning option.
3919         * coverage.c (get_coverage_counts): Ignore coverage mismatch
3920         if -Wcoverage-mismatch is given.
3922 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
3924         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3925         (ipcp_driver): Change to static definition.
3926         Add dumping of the ifunctions.
3927         (constant_val_insert): Remove unused parameter. Support for SSA.
3928         (ipcp_propagate_const): Support for SSA.
3929         (ipcp_profile_bb_print): Print only analyzed nodes.
3930         (ipcp_replace_map_create): Remove support for Fortran constant
3931         for now.
3932         * ipa-prop.c (ipa_method_modify_stmt,
3933         ipa_callsite_compute_param): Support for SSA.
3934         * ipa-prop.h (ipcp_driver): Remove declaration.
3935         (IS_VALID_TREE_MAP_INDEX): Add define.
3937 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
3939         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3941 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3943         PR middle-end/30447
3944         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3945         constant argument to cabs and do it without checking for
3946         -funsafe-math-optimizations.
3948 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
3950         * c-common.h (RID_FIRST_CXX0X): New.
3951         (RID_LAST_CXX0X): New.
3952         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3953         by -Wall.
3954         * c.opt (Wc++0x-compat): New.
3955         * doc/invoke.texi (-Wc++0x-compat): Document.
3957 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3959         * builtins.c (fold_builtin_carg): New.
3960         (fold_builtin_1): Use it.
3962 2007-01-24  Jan Hubicka  <jh@suse.cz>
3964         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3966         * ipa-inline.c (initial_insns, max_insns): Delete.
3967         (compute_max_insns): New function.
3968         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3969         of insns as base for code growth.
3970         (cgraph_decide_inlining): Make initial_insns local; do not compute
3971         max_insns.
3972         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3973         * doc/invoke.texi (inline-unit-growth): Update docs.
3975 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
3977         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3978         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3979         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3980         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
3981         for CPUs that have PTA_CX16 set.
3983         PR middle-end/27416
3984         * gimplify.c (omp_check_private): New function.
3985         (gimplify_scan_omp_clauses): Use it for
3986         firstprivate/lastprivate/reduction.
3988         PR middle-end/30494
3989         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3990         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3992         PR middle-end/30421
3993         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3994         If lower_lastprivate_clauses emits some statements, append them
3995         to dlist rather than body_p and to body_p append an initializer.
3996         (lower_omp_for): Adjust caller.
3998 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
4000         * target.h (globalize_decl_name): New.
4001         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
4002         * output.h (default_globalize_decl_name): New.
4003         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
4004         globalize_label.
4005         (globalize_decl): Ditto.
4006         (default_globalize_decl_name): New.
4007         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
4008         (ia64_handle_version_id_attribute): New.
4009         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
4010         (ia64_asm_output_external): Use globalize_decl_name instead
4011         of globalize_label.
4012         * doc/extend.texi (version_id): New pragma.
4013         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
4015 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4017         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
4018         _uleb128_t and _Unwind_SWord with _sleb128_t.
4019         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
4020         uw_frame_state_for, uw_update_context_1): Likewise.
4021         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
4022         * unwind-pe.h (read_uleb128, read_sleb128,
4023         read_encoded_value_with_base): Likewise.
4024         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
4026 2007-01-24  Richard Guenther  <rguenther@suse.de>
4028         * builtins.c (expand_builtin_cexpi): Get the fndecl
4029         for cexp in the correct way.
4031 2007-01-24  Jan Hubicka  <jh@suse.cz>
4033         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
4035 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4037         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
4038         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
4039         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
4040         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
4041         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
4042         __SIZEOF_PTRDIFF_T__.
4043         * doc/cpp.texi: Documentation for the new builtin macros added.
4045 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
4047         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
4048         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
4049         instead of operands[2] to avoid access past the end of array.
4051 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
4053         * reload1.c (emit_reload_insns): Pass the reload register
4054         for a non-spill output reload through forget_old_reloads_1.
4056 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
4058         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4059         _SOFT_DOUBLE if doubles use software floating-point.
4060         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
4061         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
4062         * config/rs6000/darwin-ldouble.c: Also compile functions for
4063         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
4064         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
4065         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
4066         commented-out long double override.
4067         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
4068         * config/rs6000/eabispe.h: Likewise.
4069         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
4070         long double for non-SPE.
4071         (rs6000_handle_option): Likewise.
4072         (invalid_e500_subreg): Disallow more subregs involding DImode,
4073         DFmode, TImode or TFmode.
4074         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
4075         E500 double.
4076         (legitimate_lo_sum_address_p): Also check for TFmode for E500
4077         double.
4078         (rs6000_legitimize_address): Also handle TFmode for E500 double.
4079         (rs6000_legitimize_reload_address): Also handle TFmode for E500
4080         double.
4081         (rs6000_legitimate_address): Also check for TFmode for E500
4082         double.
4083         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
4084         (spe_build_register_parallel): Handle TFmode and TCmode.
4085         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
4086         double.
4087         (function_arg): Handle TFmode and TCmode for E500 double.
4088         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
4089         in general.
4090         (print_operand): Handle TFmode and TImode for %y.
4091         (rs6000_generate_compare): Handle TFmode comparisons for E500
4092         double.
4093         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
4094         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
4095         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
4096         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
4097         TFmode for E500 double.
4098         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
4099         (floatsidf2): Enable for E500 double.
4100         (movtf_softfloat): Use rs6000_nonimmediate_operand.
4101         (extenddftf2): Change to extenddftf2_fprs.
4102         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
4103         depending on TARGET_E500_DOUBLE.
4104         (extendsftf2): Enable for E500 double.
4105         (trunctfdf2): Enable for E500 double.
4106         (trunctfsf2): Change to trunctfsf2_fprs.
4107         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
4108         depending on TARGET_E500_DOUBLE.
4109         (floatsitf2): Enable for E500 double.
4110         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
4111         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
4112         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
4113         (negtf2): Change to negtf2_internal.
4114         (negtf2): New expander.
4115         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
4116         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
4117         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
4118         (movdi_internal32): Use rs6000_nonimmediate_operand.
4119         (unnamed splitter): Likewise.
4120         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
4121         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
4122         (SPE64TF, DITI): New mode macros.
4123         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
4124         modes.
4125         (frob_tf_ti): New.
4126         (frob_<mode>_di_2): New.
4127         (frob_tf_di_8_2): New.
4128         (frob_di_df): Change to frob_di_<mode>; allow more modes.
4129         (frob_ti_tf): New.
4130         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
4131         more modes.
4132         (frob_ti_<mode>_8_2): New.
4133         (frob_ti_tf_2): New.
4134         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
4135         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
4136         TFmode.
4137         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
4138         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
4139         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
4140         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
4141         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
4142         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
4143         tsttflt_gp): New.
4145 2007-01-23  Ian Lance Taylor  <iant@google.com>
4147         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
4148         insn-*.o first.
4149         (OBJS-archive): Reformat, alphabetize.
4150         (OBJS): Change out_object_file to OBJS-md.
4152 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
4154         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
4155         JUMP_P and CALL_P predicates where applicable.
4156         * config/i386/i386.c: Ditto.
4157         * config/i386/i386.md: Ditto.
4158         * config/i386/mmx.md: Ditto.
4159         * config/i386/predicates.md: Ditto.
4161 2007-01-22  Andreas Schwab  <schwab@suse.de>
4163         * config/m68k/m68k.h: Fix comment.
4165 2007-01-22  Jan Hubicka  <jh@suse.cz>
4167         * passes.c (init_optimization_passes): Do not rerun
4168         pass_early_warn_uninitialized.
4170 2007-01-22  Richard Guenther  <rguenther@suse.de>
4172         PR tree-optimization/30038
4173         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
4174         function.
4175         (execute_cse_sincos_1): Likewise.
4176         (execute_cse_sincos): Likewise.
4177         (gate_cse_sincos): Likewise.
4178         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
4179         the cexpi() canonicalization of sincos().
4180         * tree-pass.h (pass_cse_sincos): Declare.
4181         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
4183 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4185         PR rtl-optimization/29329
4186         * combine.c (replaced_rhs_insn): Rename to i2mod.
4187         (replaced_rhs_value): Rename to i2mod_new_rhs.
4188         (i2mod_old_rhs): New global variable.
4189         (combine_instructions): Adjust for above change.  Save a copy of
4190         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
4191         note are substituted in the second instruction.
4192         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
4193         ditch the note if it pertains to the second eliminated register
4194         and this register is mentioned in i2mod_old_rhs.
4196         Revert:
4197         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4199         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4200         the insn to which the note was originally attached.
4202 2007-01-21  Jan Hubicka  <jh@suse.cz>
4204         * ipa-inline.c (inlining_mode): Comment, move up.
4205         (cgraph_decide_inlining_incrementally): Do not perform inlining
4206         itself; fix handling of flattening of self recursive functions.
4207         (cgraph_find_cycles): Remove.
4208         (cgraph_flatten_node): Remove.
4209         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
4210         (try_inline): New function.
4211         (cgraph_early_inlining): Update call of
4212         cgraph_decide_inlining_incrementally.  Apply inlining here.
4213         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
4215 2007-01-21  Dirk Mueller  <dmueller@suse.de>
4217         PR bootstrap/30511
4218         * tree-vrp.c (check_array_bounds): do not warn
4219         about ADDR_EXPR's of ARRAY_REF's which are immediately
4220         used in binary expressions.
4222 2007-01-21  Ira Rosen  <irar@il.ibm.com>
4224         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
4225         read_write_dep and macros for its access.
4226         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
4227         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
4228         argument, call vect_check_interleaving for every independent pair of
4229         data-refs. Mark loads that access the same memory location as a store
4230         in the loop.
4231         (vect_check_dependences): Remove.
4232         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
4233         call, fix the call to vect_analyze_data_ref_dependence.
4234         (vect_analyze_data_ref_access): For statements that access the same
4235         data-ref, check that they are not stores; for loads, check that there
4236         is no store that access the same location.
4238 2007-01-20  Roger Sayle  <roger@eyesopen.com>
4239             Joseph Myers  <joseph@codesourcery.com>
4241         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
4242         (-fdump-rtl-stack): Likewise.
4243         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
4244         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
4245         (-mpt-fixed): Use @minus{} for minus sign.
4246         (Using Precompiled Headers): Fix under/overfull hbox.
4248 2007-01-20  Jan Hubicka  <jh@suse.cz>
4250         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
4251         place within annotation.
4253 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4255         * pa.c (output_move_double): Change array size of xoperands to 4.
4257 2007-01-20  Jan Hubicka  <jh@suse.cz>
4259         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
4260         as temporary.
4262 2007-01-19  Ian Lance Taylor  <iant@google.com>
4264         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
4265         constant to unsigned HOST_WIDE_INT before negating.
4267 2007-01-19  Ian Lance Taylor  <iant@google.com>
4269         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
4270         to unsigned.
4271         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
4272         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4273         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
4274         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
4275         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4276         (realloc_vdef, realloc_vuse): Change second parameter to
4277         unsigned.
4278         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
4279         fields to unsigned.
4280         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
4281         unsigned. Change x and lim locals to unsigned.
4282         (realloc_vdef, realloc_vuse): Change num_elem parameter to
4283         unsigned.
4284         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
4285         (copy_virtual_operands): Change i and n locals to unsigned.
4287 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4289         PR middle-end/29335
4290         * builtins.c (fold_builtin_1): Handle builtin fdim.
4292 2007-01-20  Jan Hubicka  <jh@suse.cz>
4294         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
4295         * tree-ssa-structalias.c (compute_points_to_sets): Do call
4296         init_alias_heapvars.
4297         (init_alias_heapvars): Initialize only when not already initialized.
4298         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
4300 2007-01-19  Roger Sayle  <roger@eyesopen.com>
4302         * common.opt (fsigned-zeros): New command line option.
4303         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
4304         of flag_unsafe_math_optimizations.
4305         * opts.c (set_fast_math_flags): The -ffast-math command line option
4306         implies -fno-signed-zeros.
4307         (fast_math_flags_set_p): Likewise.
4309         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
4310         the documentation of -ffast-math appropriately.  Wrap long lines.
4312 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
4314         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
4315         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
4317 2007-01-19  Tomas Bily  <tbily@suse.cz>
4319         * cgraphunit.c (cgraph_finalize_function): Updating of pid
4320         * tree-profile.c:
4321         (tree_init_ic_make_global_vars): New function
4322         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
4323         (tree_gen_ic_profiler): New function
4324         (tree_gen_ic_func_profiler): New function
4325         (tree_profiling): Added calling of tree_gen_ic_func_profiler
4326         (tree_profile_hooks): Added hook for indirec/virtual calls
4327         * value-prof.c (tree_find_values_to_profile): New case for
4328         indirect calls
4329         (tree_values_to_profile): Call for determining indirect/virtual
4330         counters
4331         (tree_indirect_call_to_profile): New function
4332         (tree_ic_transform): New function
4333         (tree_ic): New function
4334         (find_func_by_pid): New function
4335         (init_pid_map): New function
4336         (tree_value_profile_transformations): Added check for
4337         indirect/virtual call transformation
4338         * value-prof.h (enum hist_type): New counter type for
4339         indirect/virtual calls
4340         (profile_hooks): Added new hook for profiling indirect/virtual
4341         calls
4342         * profile.c (instrument_values): New case for indirect/virtual
4343         call added
4344         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
4345         (GCOV_COUNTER_V_INDIR): New counter type
4346         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
4347         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
4348         call added
4349         * cgraph.c: Definition of cgraph_max_pid
4350         (cgraph_create_node): Default init of pid attribute
4351         * cgraph.h: Declaration of cgraph_max_pid
4352         (struct cgraph_node): Added pid attribute
4353         * libgcov.c (__gcov_indirect_call_profiler): New function
4354         (__gcov_one_value_profiler_body): New function
4355         (__gcov_one_value_profiler): Body was moved to
4356         __gcov_one_value_profiler_body and calls it
4358 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
4360         * doc/gty.texi (Options): Document the mark_hook option to GTY.
4361         * gengtype.c (write_types_data, write_func_for_structure,
4362         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
4363         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
4364         (walk_type, write_func_for_structure): Generate the mark_hook if
4365         needed.
4367 2007-01-19  Jan Hubicka  <jh@suse.cz>
4369         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
4370         'early' argument take inlining mode argument specifying whether to
4371         inline for size/speeed or all functions; add support for flattening;
4372         improve dumpting.
4373         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
4375 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4377         PR c++/17947
4378         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
4379         the name of the declared identifier.
4381 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4383         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
4384         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
4385         duplicate evaluation.
4387 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4389         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
4390         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
4391         to XFMode, use acosxf2 and truncate result to requested mode.
4392         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4393         (asin<mode>2): Similarly, with asin expanders.
4394         (*fscalexf4_i387): Rename from *fscalexf4.
4395         (expNcorexf3): New expander.
4396         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
4397         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
4398         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
4399         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
4400         patterns for SSE math.
4401         (exp10<mode>2): Similarly, with exp10 expanders.
4402         (exp2<mode>2): Similarly, with exp2 expanders.
4403         (expm1<mode>2): Similarly, with expm1 expanders.
4404         (ldexp<mode>3): Similarly, with ldexp expanders.
4405         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
4406         Use gen_truncxf<mode>2_i387_noop to truncate result.
4408 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4410         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
4411         for ColdFire targets.
4413 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
4414             Richard Sandiford  <richard@codesourcery.com>
4416         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
4417         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
4418         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
4419         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
4420         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4421         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4423 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4425         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
4426         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
4427         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
4428         (*adddi_dilshr32_cf): New pattern.
4429         (adddi3, subdi3): Remove first alternatives.
4431 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4433         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
4434         implemented using move.l, do not use its cc result for floating-point
4435         comparisons.
4437 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4439         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
4440         from accepting 's' constraints if flag_pic.
4442 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4444         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
4445         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
4446         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
4447         condition from TARGET_68881 to TARGET_HARD_FLOAT.
4449 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
4451         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
4452         ColdFire alternatives.
4453         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
4454         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
4455         architectures that support ff1 instruction.
4457 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4458             Julian Brown  <julian@codesourcery.com>
4460         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
4461         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
4462         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
4463         Add commentary.
4465 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4467         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
4468         and return a bool.
4469         (output_move_const_into_data_reg, output_move_simode_const): Delete.
4470         * config/m68k/m68k.c (const_method, const_int_cost): Take a
4471         HOST_WIDE_INT instead of an rtx.
4472         (m68k_rtx_costs): Update call accordingly.
4473         (output_move_const_into_data_reg): Likewise.  Fix formatting.
4474         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
4475         Return a bool.
4476         (output_move_simode_const): Update calls after above changes.
4477         Rework to use automatic variables and predicates like MEM_P.
4478         * config/m68k/m68k.md (pushexthisi_const): Update call to
4479         valid_mov3q_const.
4481 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4483         * tree-ssa-alias.c (perform_var_substitution): Fix typo
4484         in dump_flags test.
4486 2007-01-19  Richard Guenther  <rguenther@suse.de>
4488         * builtins.c (expand_builtin_cexpi): Fall back to expanding
4489         via cexp in case sincos is not available.
4491 2007-01-19  Richard Guenther  <rguenther@suse.de>
4493         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
4494         * defaults.h (TARGET_HAS_SINCOS): Default to off.
4495         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
4496         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
4497         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
4498         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
4499         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
4500         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
4502 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4504         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
4505         New insn patterns.
4506         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
4507         (atan2xf3): Directly generate RTL pattern.
4508         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
4509         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4510         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4511         disable patterns for SSE math.
4512         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
4513         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4514         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4515         disable patterns for SSE math.
4517 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
4519         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
4521 2007-01-18  Roger Sayle  <roger@eyesopen.com>
4523         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
4524         VIEW_CONVERT_EXPR to the same type as it's operand.
4526 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
4528         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
4529         configured for long double 128.
4531 2007-01-18  Mike Stump  <mrs@apple.com>
4533         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
4534         error.
4536 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
4538         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
4539         type correct.
4541 2007-01-18  Jan Hubicka  <jh@suse.cz>
4543         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
4544         greater than NUM_VOP_FREE_BUCKETS.
4546 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
4548         * tree-ssa-structalias.c: Update comments.
4549         (ptabitmap_obstack): Removed.
4550         (pta_obstack): New.
4551         (oldpta_obstack): Ditto.
4552         (stats): Add a few members.
4553         (struct variable_info): Remove node, complex, address_taken, and
4554         indirect_target members. Add oldsolution member.
4555         (new_var_info): Do not initialize removed members.
4556         (constraint_expr_type): Remove INCLUDES.
4557         (constraint_graph): Add size, implicit_preds, rep,
4558         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
4559         (FIRST_REF_NODE): New macro.
4560         (LAST_REF_NODE): Ditto.
4561         (FIRST_ADDR_NODE): Ditto.
4562         (find): New function.
4563         (unite): Ditto.
4564         (dump_constraint): Do not handle INCLUDES.
4565         (insert_into_complex): Do not insert duplicate constraints.
4566         (condense_varmap_nodes): Renamed and rewritten into ...
4567         (merge_node_constraints): This. Also fix bug in handling of
4568         offseted copy constraints.
4569         (clear_edges_for_node): No longer need to deal with preds at all,
4570         or removing associated preds/succs.
4571         (merge_graph_nodes): Deal with indirect_cycles.
4572         Don't deal with predecessors.
4573         (add_implicit_graph_edge): New function.
4574         (add_pred_graph_edge): Ditto.
4575         (add_graph_edge): Don't deal with predecessors.
4576         (build_constraint_graph): Removed.
4577         (build_pred_graph): New function.
4578         (build_succ_graph): Ditto.
4579         (struct scc_info): Removed in_component. Added roots, dfs, and
4580         node_mapping. Remove visited_index, unification_queue.
4581         (scc_visit): Deal with union-find we do now.
4582         Deal with cycles with REF nodes.
4583         (collapse_nodes): Renamed and rewritten to ...
4584         (unify_nodes): This.
4585         (process_unification_queue): Removed.
4586         (topo_visit): Cleanup
4587         (do_da_constraint): Use find.
4588         (do_sd_constraint): Ditto.
4589         (do_ds_constraint): Ditto.
4590         (do_complex_constraint): Ditto.
4591         (init_scc_info): Update for removed and added members.
4592         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
4593         (find_indirect_cycles): This.
4594         (equivalence_class): New variable.
4595         (label_visit): New function.
4596         (perform_variable_substitution): Rewritten.
4597         (free_var_substitution_info): New function.
4598         (find_equivalent_node): Ditto.
4599         (move_complex_constraints): Ditto.
4600         (eliminate_indirect_cycles): Ditto.
4601         (solve_graph): Only propagate changed bits.
4602         Use indirect cycle elimination.
4603         Use find.
4604         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
4605         (tree_id_eq): Renamed to ...
4606         (tree_vi_eq): This. Update for member change
4607         (insert_id_for_tree): Renamed and rewritten to ...
4608         (insert_vi_for_tree): This.
4609         (lookup_id_for_tree): Renamed and rewritten to ...
4610         (lookup_vi_for_tree): This.
4611         (get_id_for_tree): Renamed and rewritten to ...
4612         (get_vi_for_tree): Ditto.
4613         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
4614         (process_constraint): Don't handle INCLUDES.
4615         Remove special ADDRESSOF case.
4616         (find_func_aliases): Rewrite to use vi functions instead of id
4617         ones.
4618         (create_function_info_for): Ditto.
4619         (create_variable_info_for): Ditto.
4620         (intra_create_variable_infos): Ditto.
4621         (merge_smts_into): Ditto.
4622         (find_what_p_points_to): Ditto.
4623         (init_base_vars): Ditto.
4624         (init_alias_vars): Ditto.
4625         (remove_preds_and_fake_succs): New function.
4626         (dump_sa_points_to_info): Dump new stats.
4627         (dump_solution_for_var): Use find.
4628         (set_used_smts): Fix formatting.
4629         (compute_points_to_sets): Updated for new functions.
4630         (ipa_pta_execute): Ditto.
4632 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4633             Richard Sandiford  <richard@codesourcery.com>
4635         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
4636         parallels.
4637         * calls.c (expand_call): If the return value is a PARALLEL,
4638         extract its first member.
4639         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
4640         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4641         use FUNCTION_EXTRA_EPILOGUE.
4642         (m68k_function_value): Return a PARALLEL if the return value
4643         is of a pointer type.
4644         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
4645         (FUNCTION_EXTRA_EPILOGUE): Remove.
4646         * config/m68k/m68k.md (D0_REG): New constant.
4648 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4650         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4651         output a NOP for empty epilogues.
4653 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4655         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
4656         before function.  Extend register save check to include all
4657         registers, not just integer ones.
4659 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4661         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
4662         (m68k_use_return_insn): ...this.
4663         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
4664         * config/m68k/m68k.c (use_return_insn): Rename to...
4665         (m68k_use_return_insn): ...this.
4666         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
4667         of USE_RETURN_INSN.
4669 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4671         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
4672         nearest even, fix denormal rounding overflow.
4674 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4676         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
4677         f%$smove and f%$move.
4678         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
4679         (extendsfdf2_cf): Use fdmove instead of f%&move.
4680         (truncdfsf2_cf): Use fsmove instead of f%$smove.
4681         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
4683 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4685         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
4686         GPR<-GPR moves.
4688 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4690         * real.h (real_format): Add a canonical_nan_lsbs_set field.
4691         (coldfire_single_format): Declare.
4692         (coldfire_double_format): Likewise.
4693         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
4694         of qnan_msb_set to determine the lower bits of a canonical
4695         NaN significand.
4696         (encode_ieee_double): Likewise.
4697         (encode_ieee_quad): Likewise.
4698         (ieee_single_format): Initialize canonical_nan_lsbs_set.
4699         (mips_single_format): Likewise.
4700         (ieee_double_format): Likewise.
4701         (mips_double_format): Likewise.
4702         (ieee_extended_motorola_format): Likewise.
4703         (ieee_extended_intel_96_format): Likewise.
4704         (ieee_extended_intel_128_format): Likewise.
4705         (ieee_extended_intel_96_round_53_format): Likewise.
4706         (ibm_extended_format): Likewise.
4707         (mips_extended_format): Likewise.
4708         (ieee_quad_format): Likewise.
4709         (mips_quad_format): Likewise.
4710         (vax_f_format): Likewise.
4711         (vax_d_format): Likewise.
4712         (vax_g_format): Likewise.
4713         (i370_single_format): Likewise.
4714         (i370_double_format): Likewise.
4715         (decimal_single_format): Likewise.
4716         (decimal_double_format): Likewise.
4717         (decimal_quad_format): Likewise.
4718         (c4x_single_format): Likewise.
4719         (c4x_extended_format): Likewise.
4720         (real_internal_format): Likewise.
4721         (coldfire_single_format): New real_format.
4722         (coldfire_double_format): Likewise.
4723         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
4724         canonical_nan_lsbs_set.
4725         (pdp11_d_format): Likewise.
4726         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4727         if TARGET_COLDFIRE_CPU.
4729 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4731         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4732         (output_call, m68k_legitimize_call_address): Declare.
4733         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4734         parenthesees.  Add support for a 'W' constraint.
4735         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4736         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4737         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4738         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4739         variables.
4740         (override_options): Initialize them.  Do not set flag_no_function_cse
4741         for TARGET_ID_SHARED_LIBRARY.
4742         (m68k_output_pic_call): Delete.
4743         (m68k_legitimize_call_address): New function.
4744         (print_operand): Remove the %o prefix.  Handle the %p prefix.
4745         (output_call): New function.
4746         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
4747         target address from the GOT if symbolic jumps are not allowed.
4748         * config/m68k/m68k.md (call, general_operand): Do not set
4749         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
4750         Merge separate flag_pic and !flag_pic define_insns into...
4751         (*call, *call_value): ...these new patterns.  Match the address
4752         rather than the containing MEM and require it to be a call_operand.
4753         Use output_call to generate the asm template.
4754         * config/m68k/predicates.md (const_call_operand): New predicate.
4755         (call_operand): Likewise.
4757 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4759         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4760         (STACK_GROWS_DOWNWARD): Define to 1.
4761         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4762         comments, emphasizing that these values are only defaults.
4763         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4764         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4766 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4768         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4770 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4771             Richard Sandiford  <richard@codesourcery.com>
4773         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4774         (FP_REGNO_P): New macros.
4775         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4776         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4777         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4778         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4780 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4782         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4783         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4784         to $tmake_file.
4785         * config/m68k/t-floatlib: New file, extracting common code from...
4786         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4787         * config/m68k/t-uclinux: Here.
4788         * config/m68k/fpgnulib.c: Do not compile extendeed precision
4789         routines on ColdFire targets.
4791 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4793         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4794         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4795         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4796         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4797         explicitly set MOTOROLA to 1.
4798         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4800 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4801             Nathan Sidwell  <nathan@codesourcery.com>
4803         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4804         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4805         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4806         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4807         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4808         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4809         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4810         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4811         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4812         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4813         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4814         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4815         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4816         (DBX_REGISTER_NUMBER): Delete.
4817         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4818         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4819         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4821 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4823         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4824         * config/flat.h: New file.
4825         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4826         OBJECT_FORMAT_FLAT.
4827         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4828         indirect references for -msep-data or -mid-shared-library.
4829         Do not use PC-relative code addresses either.
4830         * config/m68k/m68k.c (override_options): Restrict -fPIC error
4831         to -mpcrel.
4832         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
4833         for shared libraries and crt1.o for executables.  Use crti.o and
4834         crtbegin.o.
4835         (ENDFILE_SPEC): Use crtend.o and crtn.o.
4836         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4837         Do not add -elf2flt or -shared-lib-id options here.
4838         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
4839         Pass -shared-lib-id if -mid-shared-library, taking the library
4840         identifier from -mshared-library-id if given, otherwise
4841         defaulting to 0.
4842         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4843         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4844         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4845         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4846         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4847         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4848         and crtend.o.
4849         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4850         jump sequence for ISA A and ISA A+.
4851         (PICJUMP): Likewise.
4853 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4855         * config.gcc (m68k-*-uclinux*): Base the port on the common
4856         and m68k GNU/Linux files rather than on the generic ELF ones.
4857         * config/m68k/uclinux.h (TARGET_VERSION): Override.
4858         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4860 2007-01-18  Julian Brown  <julian@codesourcery.com>
4861             Richard Sandiford  <richard@codesourcery.com>
4863         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4864         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4865         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4866         before redefining.
4867         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4868         80 unconditionally.
4869         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4871 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4873         * doc/install.texi: Document m68k-uclinuxoldabi.
4874         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
4875         * config/m68k/uclinux-oldabi.h: New file, copied from
4876         config/m68k/uclinux.h.
4878 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
4880         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
4881         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
4882         (m32r_compute_frame_size): Use unsigned for regno.
4883         (m32r_reload_lr): Use gen_frame_mem.
4884         (pop): New.
4885         (m32r_output_function_epilogue): Don't output the function epilogue
4886         textually here.
4887         (m32r_expand_epilogue): New.
4888         (direct_return): Return false if the function has the interrupt
4889         attribute.
4890         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
4891         * config/m32r/m32r.md (epilogue): New expander.
4892         (return_lr, return_rte): New insns.
4893         (return): Make it expander.
4894         (return_normal): New expander.
4896 2007-01-18  Josh Conner  <jconner@apple.com>
4898         PR target/30485
4899         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
4900         support for UNLE, UNLT, UNGE, and UNGT.
4902 2007-01-18  Jan Hubicka  <jh@suse.cz>
4904         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
4905         * tree-tailcall (add_virtual_phis): Likewise.
4906         (optimize_tail_call): Return TODOs.
4907         (execute_tail_calls): Return TODOs.
4908         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
4909         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
4910         changed.
4911         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4912         Cleanup cfg using TODO.
4913         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
4914         * passes.c (execute_function_todo): When cleanup did something, remove
4915         unused locals.
4916         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
4917         (make_edges): Don't cleanup_cfg.
4919 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
4921         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
4922         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
4923         operate on the top of stack.
4924         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
4925         register handling of instructions that output to the second
4926         stack slot.
4927         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
4928         (move_for_stack_reg): Special-case check for dead destination
4929         stack slot for constant load of 1.0 inside UNSPEC_TAN.
4931         * config/i386/i386.md (UNSPEC_TAN): New constant.
4932         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
4933         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
4934         to correctly model move of constant 1.0 to top stack slot.
4935         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
4936         (unnamed peephole2 pattern): Remove corresponding peephole2
4937         pattern that optimizes tan insn and loading of constant 1.0.
4938         (tanxf2): Use fptanxf4_i387.
4939         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
4940         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
4941         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4942         disable patterns for SSE math.
4943         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
4944         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
4946 2007-01-18  Dirk Mueller  <dmueller@suse.de>
4947             Richard Guenther <rguenther@suse.de>
4949         PR diagnostic/8268
4950         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
4951         * common.opt (Warray-bounds): Add new warning option.
4952         * c-opts.c (c_common_handle_option): Define -Warray-bounds
4953         if -Wall is given.
4954         * Makefile.in: make tree-vrp.o depend on toplev.h
4955         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
4956         is enabled.
4957         (check_array_refs, check_array_bounds, check_array_ref): New.
4959 2007-01-18  Jan Hubicka  <jh@suse.cz>
4961         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
4962         (execute_ssa_ccp): Return flags conditionally.
4963         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
4964         changed.
4965         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
4967 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
4969         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
4970         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
4972         * Makefile.c (GTFILES): Add cfglayout.h.
4973         * gengtype.c (open_base_files): Likewise.
4974         * cfglayout.c (cfg_layout_function_footer,
4975         cfg_layout_function_header) Reindent to make gengtype happy.
4976         * cfglayout.h (cfg_layout_function_footer,
4977         cfg_layout_function_header): Add GTY(()) marker.
4979         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
4981 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4983         * genautomata.c (write_automata): Include xstrerror output in the
4984         error message if writing the DFA description file fails.
4986 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
4988         * config/mips/mips-protos.h (mips_output_external): Make it
4989         return void.
4990         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
4991         * config/mips/mips.c (irix_output_external_libcall): Likewise.
4992         (extern_list): Likewise.
4993         (extern_head): Likewise.
4994         (TARGET_ASM_FILE_END): Likewise.
4995         (mips_file_end): Likewise.
4996         (mips_output_external): Rewritten.
4998 2007-01-18  Ben Elliston  <bje@au.ibm.com>
5000         * genpreds.c (write_insn_preds_c): Only write out the function
5001         body for regclass_for_constraint if we have register constraints.
5003 2007-01-17  Tom Tromey  <tromey@redhat.com>
5005         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
5006         * doc/install.texi (Testing): Use sourceware.org.
5007         (Binaries): Likewise.
5008         (Specific): Likewise.
5009         * doc/contrib.texi (Contributors): Use sourceware.org.
5011 2007-01-17  Anatoly Sokolov <aesok@post.ru>
5013         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
5014         (AVR_ENHANCED): Rename to ...
5015         (AVR_HAVE_MUL): ... new.
5016         (avr_enhanced_p): Rename to ...
5017         (avr_have_mul_p): ... new.
5018         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
5019         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
5020         * config/avr/avr.c (avr_enhanced_p): Rename to ...
5021         (avr_have_mul_p): ... new.
5022         (base_arch_s): Rename 'enhanced' to 'have_mul'.
5023         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
5024         'avr_enhanced_p' and 'enhanced'.
5025         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
5026         AVR_HAVE_MUL instead of AVR_ENHANCED.
5027         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
5028         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
5029         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
5030         instead of AVR_ENHANCED.
5031         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
5032         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
5033         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
5035 2007-01-17  Ian Lance Taylor  <iant@google.com>
5037         * vec.h (VEC_reserve_exact): Define.
5038         (vec_gc_p_reserve_exact): Declare.
5039         (vec_gc_o_reserve_exact): Declare.
5040         (vec_heap_p_reserve_exact): Declare.
5041         (vec_heap_o_reserve_exact): Declare.
5042         (VEC_OP (T,A,reserve_exact)): New static inline function, three
5043         versions.
5044         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
5045         negative parameter.
5046         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
5047         (VEC_OP (T,A,copy)) [all versions]: Likewise.
5048         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
5049         * vec.c (calculate_allocation): Add exact parameter.  Change all
5050         callers.
5051         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
5052         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
5053         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
5054         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
5055         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
5056         (vec_heap_p_reserve_exact): New function.
5057         (vec_heap_o_reserve_exact): New function.
5059 2007-01-17  Jan Hubicka  <jh@suse.cz>
5061         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
5063 2007-01-17  Eric Christopher  <echristo@apple.com>
5065         * config.gcc: Support core2 processor.
5067 2007-01-16  Jan Hubicka  <jh@suse.cz>
5069         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
5070         the names, just unlink the chain so we don't crash on dangling pointers
5071         to dead SSA names.
5073 2007-01-16  Jan Hubicka  <jh@suse.cz>
5075         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
5076         * tree-pass.h: Reorder to make IPA passes appear toegher.
5077         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
5078         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
5079         parameters, do not call early inliner.
5080         * ipa-inline.c: Update comments.  Include tree-flow.h
5081         (cgraph_decide_inlining): Do not compute inlining parameters.
5082         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
5083         be called with function context set up.
5084         (pass_ipa_inline): Remove unreachable functions before pass.
5085         (cgraph_early_inlining): Simplify assuming to be called from the
5086         PM as local pass.
5087         (pass_early_inline): New pass.
5088         (cgraph_gate_ipa_early_inlining): New gate.
5089         (pass_ipa_early_inline): Turn into simple wrapper.
5090         (compute_inline_parameters): New function.
5091         (gate_inline_passes): New gate.
5092         (pass_inline_parameters): New pass.
5093         (apply_inline): Move here from tree-optimize.c
5094         (pass_apply_inline): New pass.
5095         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
5096         transforming.
5097         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
5098         doing them by hand.
5099         (tree_function_versioning): Do not allocate dummy struct function.
5100         * tree-inline.h (optimize_inline_calls): Update prototype.
5101         * tree-optimize.c (execute_fixup_cfg): Export.
5102         (pass_fixup_cfg): Remove
5103         (tree_rest_of_compilation): Do not apply inlines.
5104         * tree-flow.h (execute_fixup_cfg): Declare.
5105         * Makefile.in (gt-passes.c): New.
5106         * passes.c: Include gt-passes.h
5107         (init_optimization_passes): New passes.
5108         (nnodes, order): New static vars.
5109         (do_per_function_toporder): New function.
5110         (execute_one_pass): Dump current pass here.
5111         (execute_ipa_pass_list): Don't dump current pass here.
5113 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
5115         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
5116         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
5118 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
5120         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
5121         (strong_alias): Define.
5122         (__gcc_qmul): Provide non-FMA for soft-float.
5123         (__gcc_qdiv): Same.
5124         (__gcc_qneg): New.
5125         (__gcc_qeq): New.
5126         (__gcc_qle): New.
5127         (__gcc_qge): New.
5128         (__gcc_qunord): New.
5129         (__gcc_stoq): New.
5130         (__gcc_dtoq): New.
5131         (__gcc_qtos): New.
5132         (__gcc_qtod): New.
5133         (__gcc_qtoi): New.
5134         (__gcc_qtou): New.
5135         (__gcc_itoq): New.
5136         (__gcc_utoq): New.
5137         (fmsub): New.
5138         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
5139         soft-float functions.
5140         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
5141         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
5142         about long double soft float.
5144 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
5145             Tehila Meyzels  <tehila@il.ibm.com>
5147         * tree-vectorizer.h (is_pattern_stmt_p): New.
5148         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
5149         formatting (tabs instead of spaces). Cleanup and clarify setting
5150         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
5151         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
5152         (vectorizable_type_demotion): Check that types are integral.
5153         (vectorizable_type_promotion): Likewise.
5154         (vectorizable_store): Fix typo.  Eliminate new-line at end of
5155         comments.
5157 2007-01-16  Jan Hubicka  <jh@suse.cz>
5159         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
5160         cgraph edges too.
5162 2007-01-15  Eric Christopher  <echristo@apple.com>
5164         * ifcvt.c: Include vec.h, vecprim.h.
5165         (check_cond_move_block): New argument regs.
5166         Reorganize. Add registers used to regs.
5167         (cond_move_process_if_block): Use regs set above as
5168         loop bounds.
5170 2007-01-15  Eric Christopher  <echristo@apple.com>
5172         * config/darwin.h: Update copyright.
5173         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
5174         (LINK_COMMAND_SPEC): Add -u.
5175         (LINK_SPEC): Fix umbrella for above.
5177 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
5179         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
5180         glibc CVS.
5182 2007-01-15  Tom Tromey  <tromey@redhat.com>
5184         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
5185         * doc/install.texi (Testing): Don't mention jacks.
5186         (Configuration): Document --enable-java-maintainer-mode.  Move
5187         --with-java-home to libgcj-specific section.  Document
5188         --with-ecj-jar.
5189         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
5191 2007-01-15  Jan Hubicka  <jh@suse.cz>
5193         * tree-ssa-dce.c (DCE_TODOs): New.
5194         (propagate_necessity): Return if something changed.
5195         (eliminate_unnecessary_stmts): Likewise.
5196         (perform_tree_ssa_dce): Return TODO flags when needed.
5197         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
5199 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
5201         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
5202         (fyl2x_extend<mode>xf3_i387): New insn pattern.
5203         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
5204         patterns using X87MODEF12 mode macro.  Extend operand 1
5205         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
5206         (log10<mode>2): Ditto.
5207         (log2<mode>2): Ditto.
5208         (log1p<mode>2): Ditto.
5209         (logb<mode>2): Ditto.
5210         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
5211         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
5212         (*fxtractxf3_i387): Rename from *fxtractxf3.
5213         (fxtract_extend<mode>xf3_i387): New insn pattern.
5214         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
5215         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
5216         and gen_fyl2xxf3_i387().
5218 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
5220         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
5221         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
5222         get_loop_exit_edges.  Changed return type to bool.
5223         * cfgloop.h (fix_loop_placement): Declaration removed.
5225 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
5227         * param.h (MIN_VECT_LOOP_BOUND): New.
5228         * params.def (MIN_VECT_LOOP_BOUND): New.
5229         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
5230         argument - minimum threshold for number of iterations.
5231         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
5232         argument to declaration.
5233         * tree-vect-analyze.c (vect_analyze_operations): Check value of
5234         MIN_VECT_LOOP_BOUND.
5235         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
5236         slpeel_tree_peel_loop_to_edge with additional argument.
5237         (vect_do_peeling_for_alignment): Likewise.
5238         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
5240 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
5242         PR target/30413
5243         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
5244         operands of size 1.
5246 2007-01-14  Jan Hubicka  <jh@suse.cz>
5248         * tree-dfa.c (remove_referenced_var): New function.
5249         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
5250         prune referenced vars list too.
5251         * tree-flow.h (remove_referenced_var): Declare.
5253 2007-01-14  Jan Hubicka  <jh@suse.cz>
5255         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
5256         separately.
5257         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
5258         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
5259         * except.h (verify_eh_throw_table_statements): Kill prototype.
5260         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
5261         into call exrepssions.
5262         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
5263         eh trhow verifier.
5264         * tree-cfg.c: Include pointer-set.h.
5265         (verify_node_sharing): Work on pointer set.
5266         (verify_eh_throw_stmt_node): New.
5267         (verify_stmts): Use pointers sets, verify throw_stmt.
5269 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
5271         * ipa-reference.c (analyze_function): Consider also addresses taken
5272         in phi nodes.
5274 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5276         * c-typeck.c (null_pointer_constant_p): Replace use of
5277         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5278         (build_c_cast): Likewise.
5280 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5282         * tree.h (force_fit_type_double): Remove unused final argument.
5283         * c-common.c (constant_expression_warning): Replace use of
5284         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5285         (convert_and_check): Likewise.
5286         (shorten_compare): Update call to force_fit_type_double.
5287         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
5288         * convert.c (convert_to_pointer): Update call to
5289         force_fit_type_double.
5290         * fold-const.c (force_fit_type_double): Remove overflowed_const
5291         argument.
5292         (int_const_binop, fold_convert_const_int_from_int,
5293         fold_convert_const_int_from_real, fold_div_compare,
5294         fold_sign_changed_comparison, fold_unary, fold_negate_const,
5295         fold_abs_const, fold_not_const): Remove the final argument from
5296         calls to force_fit_type_double.
5298 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5300         * configure.ac: Set insn to "nop" for spu-*-* also.
5301         * configure: Regenerate.
5303 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
5305         * builtins.def : Add BUILT_IN_FREE.
5307 2007-01-12  Jan Hubicka  <jh@suse.cz>
5309         PR tree-optimization/30443
5310         * tree-inline.c (tree_function_versioning): Do not optimize when
5311         cloning for inlining.
5313 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
5315         * doc/loop.texi: Document recording of loop exits.
5316         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
5317         (update_single_exits_after_duplication,
5318         update_single_exit_for_duplicated_loop,
5319         update_single_exit_for_duplicated_loops): Removed.
5320         (duplicate_loop_to_header_edge): Do not call
5321         update_single_exits_after_duplication and
5322         update_single_exit_for_duplicated_loops.
5323         (loop_version): Do not update single_exit information.
5324         (fix_loop_structure): Use record_loop_exits instead of
5325         mark_single_exit_loops.
5326         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
5327         the lists of loop exits.
5328         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
5329         split_edge, merge_blocks): Update the lists of loop exits.
5330         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
5331         loop_optimizer_init.
5332         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
5333         of mark_single_exit_loops.
5334         (loop_optimizer_finalize): Call release_recorded_exits.
5335         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
5336         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
5337         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
5338         update single exit information.
5339         * lambda-code.c (perfect_nestify): Ditto.
5340         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
5341         (mark_single_exit_loops): Removed.
5342         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
5343         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
5344         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
5345         functions.
5346         (get_loop_exit_edges, single_exit): Use recorded exit lists.
5347         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
5348         (verify_loop_structure): Verify consistency of the exit lists.
5349         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
5350         (set_single_exit): Removed.
5351         * cfgloop.h (struct loop_exit): New function.
5352         (struct loop): single_exit_ field replaced by exits field.
5353         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
5354         (struct loops): Added exits hash.
5355         (mark_single_exit_loops, set_single_exit): Declaration removed.
5356         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
5358 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5360         * doc/invoke.texi: Avoid use of @headitem.
5362 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5364         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
5366 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5368         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
5369         list of targets.
5371 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5372             Richard Sandiford  <richard@codesourcery.com>
5374         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
5375         * config/m68k/m68k.opt: Resort options.
5376         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
5378 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5379             Richard Sandiford  <richard@codesourcery.com>
5381         * doc/invoke.texi: Document the macros that are defined by
5382         m68k's -mtune and -mhard-float options.
5383         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
5384         (m68k_cpp_cpu_family): Likewise.
5385         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
5386         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
5387         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
5388         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
5389         (m68k_cpp_cpu_family): Likewise.
5391 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5393         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
5394         macros besides mc68000 as tuning macros.  Use a switch statement
5395         to set them and mcpu32.
5397 2007-01-12  Julian Brown  <julian@codesourcery.com>
5399         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
5400         (TARGET_68040_ONLY): Rename to...
5401         (TARGET_68040): ...this.
5402         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
5403         * config/m68k/m68k.md: Likewise.
5405 2007-01-12  Julian Brown  <julian@codesourcery.com>
5406             Nathan Sidwell  <nathan@codesourcery.com>
5407             Richard Sandiford  <richard@codesourcery.com>
5409         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
5410         the -mcpu= argument associated with the --with-cpu setting.
5411         Define M68K_DEFAULT_TUNE to the default -mtune= option,
5412         if different from the one implied by the -mcpu setting.
5413         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
5414         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
5415         * doc/invoke.texi: Mention ColdFire in the introduction to the
5416         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
5417         -mno-div and -mhard-float options.  Make -m68881 a synonym for
5418         -mhard-float.  Document the previously-undocumented -m5206e,
5419         -m528x, -m5307 and -m5407 options.  Tweak the existing option
5420         documentation for consistency.
5421         * doc/install.texi: Mention new --with-cpu arguments.
5422         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
5423         default CPU if neither -mcpu nor -march are specified.
5424         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
5425         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
5426         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
5427         using m68k_tune to decide between families that implement the
5428         same ISA.  Use m68k_tune to set __mcfv4e__.
5429         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
5430         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
5431         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
5432         (FL_ISA_C, FL_ISA_MMU): New macros.
5433         (MASK_COLDFIRE): Delete.
5434         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
5435         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
5436         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
5437         (TARGET_HARD_FLOAT): Do not define here.
5438         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
5439         (TUNE_68000): New macro.
5440         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
5441         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
5442         (TUNE_CFV2): Redefine in terms of m68k_tune.
5443         (uarch_type, target_device, fpu_type): New enums.
5444         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
5445         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
5446         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
5447         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
5448         (FL_FOR_isa_c): New macros.
5449         (m68k_isa): New enum.
5450         (m68k_target_selection): New structure.
5451         (all_devices, all_isas, all_microarchs): New tables.
5452         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
5453         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
5454         (MASK_ALL_CPU_BITS): Delete.
5455         (m68k_find_selection): New function.
5456         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
5457         Map the legacy target options to a combination of the new ones.
5458         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
5459         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
5460         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
5461         settings.
5462         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
5463         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
5464         properties.
5465         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
5466         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
5467         * config/m68k/m68k-devices.def: New file.
5469 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5470             Nathan Sidwell  <nathan@codesourcery.com>
5472         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
5473         (SUBTARGET_EXTRA_SPECS): New macros.
5474         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
5475         use %(asm_cpu_spec) instead.
5476         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
5477         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
5478         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
5479         (EXTRA_SPECS): Rename to...
5480         (SUBTARGET_EXTRA_SPECS): ...this.
5482 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5483             Richard Sandiford  <richard@codesourcery.com>
5484             Julian Brown  <julian@codesourcery.com>
5486         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
5487         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
5488         to the configuration's default CPU.
5489         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
5490         Remove default masks.
5491         (m680[012]0-*-*): Set the default with_cpu to the first part of
5492         the target name.
5493         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
5494         (m68k*-*-linux): Extend the --with-cpu handling to...
5495         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
5496         and m68010.  Don't set target_cpu_default2.
5497         * doc/install.texi: Document --with-cpu for m68k.
5498         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
5499         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
5500         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
5501         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
5502         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
5503         (ASM_SPEC): Remove use of %(asm_cpu_default).
5504         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
5505         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
5506         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
5507         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
5508         __HAVE_FPU__ if TARGET_HARD_FLOAT.
5509         (TARGET_DEFAULT): Delete.
5510         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
5511         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
5512         (CPP_CPU_SPEC): Delete.
5513         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
5514         the appropriate string.
5515         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
5516         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
5517         (ASM_SPEC): Don't use %(asm_default_spec).
5518         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5519         TARGET_DEFAULT and add MASK_68881.
5520         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
5522 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5524         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
5525         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
5526         MASK_68010 alongside MASK_68020.
5527         * doc/invoke.texi: Document -m68010.
5528         * config/m68k/m68k.opt (m68010): New.
5529         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
5530         if TUNE_68010.
5531         (TUNE_68010): New macro.
5532         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
5533         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
5534         (M68K_CPU_m68332): Add MASK_68010.
5535         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
5536         fallback definition.
5537         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
5538         defines.
5539         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
5540         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
5541         to all entries that use MASK_68020.
5542         (output_move_simode_const, output_move_himode, output_move_qimode)
5543         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
5544         instead of TARGET_68020 to select clr behavior.  Remove comment
5545         about there being no TARGET_68010.
5546         * config/m68k/m68k.md: Likewise throughout.
5548 2007-01-12  Julian Brown  <julian@codesourcery.com>
5550         * config/m68k/m68k.h (TARGET_ISAB): New macro.
5551         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
5552         * config/m68k/m68k.md: Likewise.
5554 2007-01-12  Julian Brown  <julian@codesourcery.com>
5556         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
5557         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
5559 2007-01-12  Julian Brown  <julian@codesourcery.com>
5561         * config/m68k/m68k.h (TUNE_68040_60): New macro.
5562         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
5563         * config/m68k/m68k.md: Likewise.
5565 2007-01-12  Julian Brown  <julian@codesourcery.com>
5566             Richard Sandiford  <richard@codesourcery.com>
5568         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
5569         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
5570         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
5571         TARGET_CPU32.
5572         (TARGET_CPU32): Rename to...
5573         (TUNE_CPU32): ...this.
5574         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
5575         (TUNE_CFV2): New macros.
5576         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
5577         remove conditions that are implied by TARGET_68020.
5578         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
5579         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
5580         (m68k_output_function_epilogue): Likewise.
5581         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
5582         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
5583         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
5584         non-68000 timings.  Refactor multiplication and division costs.
5585         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
5586         TUNE_CPU32 instead of TARGET_CPU32.
5587         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
5588         and TUNE_68060 instead of TARGET_68060.
5589         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
5590         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
5591         TARGET_CPU32.
5592         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
5593         && !TARGET_COLDFIRE" to choose between moveq and clr.
5594         Likewise in the unnamed movsf pattern.
5595         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
5596         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
5597         ashiftrt pattern.
5599 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5601         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
5602         of tabbing before backslashes.
5604 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5606         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
5607         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
5608         (ASM_OUTPUT_INTERNAL_LABEL): Define.
5610 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5612         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
5613         find_interesting_uses_cond.
5614         (find_interesting_uses_cond): Use extract_cond_operands.
5615         (rewrite_use_compare): Use extract_cond_operands and
5616         force_gimple_operand_bsi.  Do not call update_stmt.
5617         (determine_use_iv_cost_condition): Use extract_cond_operands.
5618         Return cheaper of using original bound and changing the exit bound.
5620 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5622         PR tree-optimization/29516
5623         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
5624         most_expensive_mult_to_index, addr_to_parts,
5625         create_mem_ref, maybe_fold_tmr): Make the type of
5626         fields of TARGET_MEM_REF sizetype.
5627         (move_fixed_address_to_symbol, move_pointer_to_base):
5628         New functions.
5629         * tree.def (TARGET_MEM_REF): Add comment on types of
5630         the operands.
5632 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
5634         * c-common.c (vector_types_convertible_p): Treat opaque types as
5635         always convertible if they have the same size, but not otherwise.
5637 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
5639         * ifcvt.c (struct noce_if_info): Add comments to the fields.
5640         Remove the b_unconditional field.
5641         (noce_try_sign_mask): Do not look at b_unconditional.
5642         (noce_process_if_block): Do not use merge_if_blocks.  Update
5643         the CFG here.  Do not set b_unconditional.
5644         (cond_move_process_if_block): Likewise.
5645         (find_cond_trap): Likewise.
5646         (check_cond_move_block): Require simple jump insns at the end
5647         of the basic block.
5649 2007-01-11  Jan Hubicka  <jh@suse.cz>
5651         PR tree-optimization/1046
5652         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
5653         when alias info is not ready.
5654         (pass_tail_recursion): Do not require aliasing.
5655         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
5656         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
5657         * tree-ssa-copy.c (pass_copy_prop): Likewise.
5658         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5659         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
5660         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
5661         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
5662         before inlining.
5663         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
5664         When aliasing is not build, mark statement as volatile.
5666 2007-01-11  Tom Tromey  <tromey@redhat.com>
5668         PR preprocessor/15185, PR preprocessor/20989:
5669         * doc/cppopts.texi <-MT>: Update description of algorithm for
5670         computing default target.
5671         <-M, -MD>: Reword "basename" text.
5673 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5675         * builtins.c (expand_builtin_pow, expand_builtin_powi,
5676         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
5677         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5678         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
5679         fold_builtin_bswap, real_constp, fold_builtin_pow,
5680         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
5681         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
5682         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5683         * convert.c (convert_to_pointer): Likewise.
5684         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
5685         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
5686         const_binop, fold_convert_const_int_from_int,
5687         fold_convert_const_int_from_real,
5688         fold_convert_const_real_from_real, sign_bit_p,
5689         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
5690         fold_sign_changed_comparison, fold_unary, fold_comparison,
5691         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
5692         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
5693         * print-tree.c (print_node_brief, print_node): Likewise.
5694         * stor-layout.c (place_field, layout_type): Likewise.
5695         * tree-chrec.c (keep_cast): Likewise.
5696         * tree.c (build_vector, build_real, build_real_from_int_cst,
5697         build_complex): Likewise.
5699 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5701         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
5702         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
5704 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
5706         * configure.ac (strict1_warn): Rename to strict_warn.
5707         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
5708         cc_set_by_configure, quoted_cc_set_by_configure,
5709         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
5710         all_boot_languages, all_stagestuff): Remove.
5711         (target_list): Remove bootstrap targets.
5712         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
5713         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
5714         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
5715         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
5716         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
5717         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
5718         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
5719         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
5720         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
5721         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
5722         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
5723         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
5724         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
5725         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
5726         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
5727         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
5728         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
5729         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
5730         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
5731         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
5732         (mostlyclean): Adjust.
5733         (clean, distclean): Don't mention bootstrap stuff.
5734         * configure: Regenerate.
5735         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
5736         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
5737         treelang/config-lang.in (stagestuff): Remove.
5738         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
5739         stageprofile, stagefeedback, stagestuff): Remove mention.
5741 2007-01-11  Nick Clifton  <nickc@redhat.com>
5743         * config/mcore/predicates.md (mcore_general_movesrc_operand):
5744         Accept CONSTs.
5745         (mcore_general_movdst_operand): Do not accept CONST_INTs.
5746         (mcore_arith_K_S_operand): Run the test for the S constraint not
5747         the test for the M constraint.
5748         (mcore_addsub_operand): Do not accept integer values that are
5749         larger than 32 bits.
5750         * config/mcore/mcore.md: Remove unused constraints from split.
5751         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
5752         (addsi3): Likewise.
5753         (allocate_stack): Likewise.
5754         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
5755         operands to 32 bits.
5756         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
5757         INTVAL.
5758         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
5759         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
5760         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
5761         mcore_output_bclri, mcore_output_andn, output_inline_const,
5762         mcore_output_move, mcore_output_movedouble): Likewise.
5763         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
5764         (output_inline_const): Likewise.
5765         (output_inline_const): Fix format strings used in sprintf
5766         statements.
5767         * config/mcore/mcore-protos.h: Update prototypes for changed
5768         functions in mcore.c.
5769         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
5770         HOST_WIDE_INT and not int.
5771         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
5772         CONST_OK_FOR_N): Likewise.
5773         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
5774         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
5775         an INTVAL.
5777 2007-01-10  Jan Hubicka  <jh@suse.cz>
5779         * tree-vrp.c (remove_range_assertions): Release defs.
5780         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
5781         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5783 2007-01-10  Paul Brook  <paul@codesourcery.com>
5785         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5786         * config/arm/arm.md (mulsi3subsi): New insn.
5788 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
5790         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5791         (tree_transform_and_unroll_loop): New.
5792         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5793         Declare.
5795 2007-01-10  Robert Kennedy <jimbob@google.com>
5797         * fold-const.c (fold_comparison): Fold comparisons like (x *
5798         1000 < 0) to (x < 0).
5800 2007-01-10  Ian Lance Taylor  <iant@google.com>
5802         * tree-pretty-print.c (dump_generic_node): Print parentheses when
5803         operands have the same priority.
5805 2007-01-10  Tom Tromey  <tromey@redhat.com>
5807         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5808         (fold_binary): Likewise.
5809         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5810         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5811         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5812         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5813         * langhooks.h (struct lang_hooks): Removed field
5814         'can_use_bit_fields_p'.
5816 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
5818         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5820 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
5822         * function.c (get_last_funcdef_no): New function.
5823         * function.h (get_last_funcdef_no): Declare.
5824         * tree-inline.c (initialize_cfun): Add initialization.
5825         (tree_function_versioning): Cleanup.
5827 2007-01-10  Jan Hubicka  <jh@suse.cz>
5829         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5830         PHIs.
5832 2007-01-10  Sa Liu  <saliu@de.ibm.com>
5833             Ben Elliston  <bje@au.ibm.com>
5835         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5836         for SAVE_NONLOCAL and Pmode for any other save level.
5837         * spu-protos.h (spu_restore_stack_block): Declare.
5838         * spu.md (save_stack_block): Remove.
5839         (restore_stack_block): Call spu_restore_stack_block.
5840         * spu.c (spu_restore_stack_block): New function.
5841         (spu_expand_epilogue): Remove old comment.
5843 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
5845         PR tree-optimization/30322
5846         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5847         (cand_value_at): Return the value as aff_tree.
5848         (may_eliminate_iv): Convert the bound from aff_tree to tree.
5849         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5850         aff_combination_mult): New functions.
5851         (aff_combination_add): Use aff_combination_add_cst.
5852         (aff_combination_convert): Allow conversions to a wider type.
5853         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5854         * tree-affine.h (aff_combination_mult): Declare.
5856 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
5858         * doc/tm.texi: Update documentation to reflect reality of exec
5859         and start file search behaviours. Update copyright year.
5860         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5861         header file directories.
5863 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
5865         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5866         (*cosxf2): Rename to cosxf2_i387.
5867         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
5868         using X87MODEF12 mode macro. Rename patterns to
5869         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
5870         for SSE math.
5871         (*cosdf2, *cossf2): Ditto.
5872         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
5873         to match extended input operands.
5874         (sincos<mode>3): New expander.
5875         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
5876         insn patterns and corresponding splitters.
5878 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5880         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
5881         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
5883 2007-01-09  Nicolas Pitre  <nico@cam.org>
5885         PR target/30173
5886         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
5888 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5890         * target.h (struct gcc_target): New field library_rtti_comdat.
5891         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
5892         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
5893         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
5894         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
5896 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5898         * doc/invoke.texi (Optimize Options): Correct description of -O0.
5900 2007-01-08  Richard Guenther  <rguenther@suse.de>
5902         * tree.h (force_fit_type_double): Export.
5903         (force_fit_type): Remove.
5904         * fold-const.c (force_fit_type_double): New function.
5905         (force_fit_type): Remove.
5906         (int_const_binop): Use it.
5907         (fold_convert_const_int_from_int): Likewise.
5908         (fold_convert_const_int_from_real): Likewise.
5909         (fold_div_compare): Likewise.
5910         (fold_sign_changed_comparison): Likewise.
5911         (fold_unary): Likewise.
5912         (fold_negate_const): Likewise.
5913         (fold_abs_const): Likewise.
5914         (fold_not_const): Likewise.
5915         * c-common.c (shorten_compare): Use force_fit_type_double.
5916         * convert.c (convert_to_pointer): Likewise.
5918 2007-01-08  Richard Guenther  <rguenther@suse.de>
5920         * tree.h (build_int_cst_wide_type): Export.
5921         * tree.c (build_int_cst_wide_type): New function.
5922         (build_int_cst_wide): Fix comment.
5923         * builtins.c (fold_builtin_object_size): Use build_int_cst
5924         to build -1 or 0 of the correct type.  Use fit_double_type
5925         to check for overflow.
5926         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
5927         to build the mask.
5928         (decode_field_reference): Likewise.
5929         (all_ones_mask_p): Likewise.
5930         (native_interpret_int): Use build_int_cst_wide_type.
5931         (fold_binary): Use build_int_cst_type to build an all-ones
5932         value.
5933         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
5935 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
5937         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
5939 2007-01-09  Ben Elliston  <bje@au.ibm.com>
5941         * genautomata.c (STATS_OPTION): New option.
5942         (stats_flag): New flag.
5943         (gen_automata_option): Handle it.
5944         (initiate_automaton_gen): Ditto.
5945         (write_automata): Output statistics only if stats_flag is
5946         set. Likewise, output time statistics only if time_flag is set.
5947         * doc/md.texi (Processor pipeline description): Document new flag.
5949 2007-01-08  Richard Guenther  <rguenther@suse.de>
5951         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
5952         * tree.c (build_int_cst_type): Likewise.
5953         (size_in_bytes): Don't call force_fit_type on the result.
5954         (int_fits_type_p): Use fit_double_type.
5955         * fold-const.c (fit_double_type): New function.
5956         (force_fit_type): Use it.
5957         * tree.h (fit_double_type): Export.
5959 2007-01-08  Jan Hubicka  <jh@suse.cz>
5961         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
5962         * ipa.c (function_and_variable_visibility): Fix return type.
5964 2007-01-08  Richard Guenther  <rguenther@suse.de>
5966         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
5967         of offset to build the index.
5968         * tree-pretty-print.c (dump_generic_node): Don't build negated
5969         const just for printing.
5970         * c-pretty-print.c (pp_c_integer_constant): Likewise.
5971         * builtins.c (fold_builtin_int_roundingfn): Check if result
5972         fits the type by using force_fit_type and comparing the result.
5973         * predict.c (predict_loops): Use compare_tree_int for comparison.
5974         * tree.c (build_int_cst): Fall back to integer_type_node for
5975         NULL_TREE type.
5976         (build_int_cst_wide): Assert type is non-null.
5978 2007-01-08  Roberto Costa  <roberto.costa@st.com>
5980         * tree-vrp.c (extract_range_from_cond_expr): New.
5981         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
5982         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
5983         as expressions.
5984         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
5985         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
5986         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
5987         used as expressions.
5988         * tree-object-size.c (cond_expr_object_size): New.
5989         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
5991 2007-01-08  Jan Hubicka  <jh@suse.cz>
5993         * tree-ssa-forwprop.c (forward_propagate_into_cond,
5994         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
5995         statement.
5997 2007-01-08  Richard Guenther  <rguenther@suse.de>
5999         PR tree-optimization/23603
6000         * tree-vrp.c (set_value_range_to_truthvalue): New function.
6001         (extract_range_from_binary): Fall back to truthvalue instead of
6002         varying for TRUTH_*_EXPR.
6003         (extract_range_from_comparison): Fall back to truthvalue instead of
6004         varying.
6005         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
6006         if all visited PHI values were constant.
6008 2007-01-08  Jan Hubicka  <jh@suse.cz>
6010         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
6011         (cgraph_analyze_function): break out from ...
6012         (cgraph_finalize_compilation_unit): ... here.
6013         (cgraph_expand_function): Remove forgoten commented out line.
6014         (cgraph_optimize): Analyze functions.
6016 2007-01-08  Jan Hubicka  <jh@suse.cz>
6018         * tree-pas.h (TODO_remove_function): New flag.
6019         (TODO_update*): Renumber.
6020         (pass_ipa_increase_alignment,
6021         pass_ipa_function_and_variable_visibility): New passes.
6022         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
6023         (cgraph_function_and_variable_visibility): Move to ipa.c
6024         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
6025         cgraph_increase_alignment.
6026         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
6027         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
6028         calling tree-inline.
6029         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
6030         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
6031         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
6032         (gate_increase_alignment): New function.
6033         (pass_ipa_increase_alignment): New pass.
6034         * ipa.c: Inline tree-pass.h and timevar.h
6035         (function_and_variable_visibility): Move here from cgraphunit.c
6036         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
6037         * passes.c (init_optimization_passes): Add the two new passes.
6038         (execute_todo): Handle cgraph_remove_functions.
6040 2007-01-08  Nick Clifton  <nickc@redhat.com>
6042         * config/frv/predicates.md (reg_or_0_operand): Accept
6043         CONST_DOUBLEs.
6045 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
6047         * config/bfin/rtems.h, config/bfin/t-rtems: New.
6048         * config.gcc: Add bfin*-rtems*.
6050 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
6052         * c.opt: Add -flax-vector-conversions.
6053         * c-typeck.c (convert_for_assignment): Pass flag to
6054         vector_types_convertible_p to allow emission of note.
6055         (digest_init): Likewise.
6056         * c-opts.c: Handle -flax-vector-conversions.
6057         * c-common.c (flag_lax_vector_conversions): New.
6058         (vector_types_convertible_p): Unless -flax-vector conversions
6059         has been passed, disallow conversions between vectors with
6060         differing numbers of subparts and/or element types.  If such
6061         a conversion is disallowed, possibly emit a note on the first
6062         occasion only to inform the user of -flax-vector-conversions.
6063         The new last argument specifies this.
6064         * c-common.h (flag_lax_vector_conversions): New.
6065         (vector_types_convertible_p): Add extra argument.
6066         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
6067         char_type_node for V*QI type vectors.
6068         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
6069         Update to satisfy new typechecking rules.
6070         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
6071         C and C++ variants.
6072         * doc/invoke.texi (C Dialect Options): Document
6073         -flax-vector-conversions.
6075 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
6077         PR tree-optimization/29877
6078         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
6079         a register variable on the RHS to not be replaceable.
6081 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
6082         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
6083         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
6084         const_simm15, const_pow2, const_npow2): Added.
6085         * config/score/misc.md (insv, extv, extzv, movmemsi,
6086         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
6087         * config/score/score.c (score_address_cost, score_select_cc_mode):
6088         Added.
6089         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
6090         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
6091         Update score_print_operand.
6092         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
6093         Adjust register allocate order and update some macro define.
6094         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
6095         mdx_block_move_straight, mdx_block_move_loop_head,
6096         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
6097         mdx_block_move): Added.
6098         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
6099         mdp_limm): Updated and fix some bug and typo.
6100         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
6101         (movsf, movdf, doloop_end): Added.
6103 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
6105         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
6106         config/arm/thumb2.md: Fix comment typos.
6107         * doc/extend.texi: Fix a typo.
6109 2007-01-07  Eric Christopher  <echristo@apple.com>
6111         * configure.ac: Check for __stack_chk_fail for darwin.
6112         * configure: Regenerate.
6114 2007-01-07  Richard Guenther  <rguenther@suse.de>
6116         * tree-vrp.c (extract_range_from_assert): CSE calls to
6117         compare_values where possible.
6118         (extract_range_from_unary_expr): Likewise.
6120 2007-01-07  Anatoly Sokolov <aesok@post.ru>
6122         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
6123         * config/avr/avr.c (call_insn_operand): Delete function.
6124         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
6125         instead of register number. Use predicates.
6126         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
6127         call_insn_operand): Add.
6129 2007-01-06  Jan Hubicka  <jh@suse.cz>
6131         * tree-pass.h (pass_build_cgraph_edges): Declare.
6132         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
6133         (visited_nodes): Remove.
6134         (cgraph_create_edges): Move to cgraphbuild.c; rename to
6135         build_cgrpah_edges; make visited_nodes local.
6136         (cgraph_process_new_functions): DO not call initialize_inline_failed.
6137         (record_references_in_initializer): Move to cgraphbuild.c
6138         (initialize_inline_failed, rebuild_cgraph_edges,
6139         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
6140         (verify_cgraph_node): Make visited_nodes local.
6141         (cgraph_analyze_function): Do not call cgraph_create_edges and
6142         initialize_inline_failed.
6143         (cgraph_expand_function): Do not call cgraph_lower_function;
6144         assert that function is already lowered.
6145         * Makefile.in (cgraphbuild.o): New.
6146         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
6147         at the end of lowering passes.
6149 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
6151         * ifcvt.c (cond_move_convert_if_block): New function, code
6152         factored out from...
6153         (cond_move_process_if_block): ...here.  Call the new function
6154         on the THEN and ELSE blocks.
6155         (merge_if_block): Do not copy global_live_at_end, merge_blocks
6156         already takes care of this.
6158 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6160         PR c/19978
6161         * tree.h (TREE_OVERFLOW_P): New.
6162         * c-typeck.c (parser_build_unary_op): Warn only if result
6163         overflowed and operands did not.
6164         (parser_build_binary_op): Likewise.
6165         (convert_for_assignment): Remove redundant overflow_warning.
6166         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
6168 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6170         * c-typeck.c (store_init_value): Split over two lines to follow
6171         the GNU coding style.
6173 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
6175         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
6176         __GXX_EXPERIMENTAL_CXX0X__.
6177         * doc/cpp.texi: Same.
6179 2007-01-05  Richard Guenther  <rguenther@suse.de>
6181         PR middle-end/27826
6182         * tree.c (get_narrower): Do not construct COMPONENT_REFs
6183         with mismatched types.  Instead explicitly build a
6184         conversion NOP_EXPR.
6186 2007-01-05  Ian Lance Taylor  <iant@google.com>
6188         * c-common.c (decl_with_nonnull_addr_p): New function.
6189         (c_common_truthvalue_conversion): Call it.
6190         * c-typeck.c (build_binary_op): Likewise.
6191         * c-common.h (decl_with_nonnull_addr_p): Declare.
6193 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
6195         PR c/30360
6196         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
6197         denom against 0.0.
6199 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
6201         * doc/install.texi (Final install): Document the fact that
6202         the GNAT runtime should not be stripped.
6204 2007-01-04  Jan Hubicka  <jh@suse.cz>
6206         * tree-inline.c (fold_marked_statements): Update operand caches
6207         and EH after folding
6209 2007-01-04  Ian Lance Taylor  <iant@google.com>
6211         * c-common.c (check_function_nonnull): Whitespace fix.
6213 2007-01-04  Jan Hubicka  <jh@suse.cz>
6215         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
6216         comitted older version of patch.
6217         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
6218         function, celanup cfg and collect garbage.
6220 2007-01-04  Mike Stump  <mrs@apple.com>
6222         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
6223         (clean): Likewise.
6225 2007-01-04  Eric Christopher  <echristo@apple.com>
6227         * libgcc2.c (__bswapsi2): Use SItype.
6228         (__bswapdi2): Use DItype.
6229         * libgcc2.h: Update for above.
6231 2007-01-04  Paul Brook  <paul@codesourcery.com>
6233         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
6234         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
6235         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
6236         umulsidi3, umulsidi3adddi, smulsi3_highpart,
6237         umulsi3_highpart): Make conditional on !arm_arch6.
6238         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
6239         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
6240         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
6241         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
6242         umulsi3_highpart_v6): New insns.
6244 2007-01-04  Roger Sayle  <roger@eyesopen.com>
6246         * fold-const.c (fold_convert): When casting an expression to void,
6247         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
6248         have a type.  Instead of attempting to build a NOP_EXPR, return
6249         these "special" trees directly.
6251 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
6253         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
6254         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
6255         rs6000_cost->fp not 0 as adjustment for outer NEG.
6257 2007-01-04  Jan Hubicka  <jh@suse.cz>
6259         * cgraph.c (cgraph_release_function_body): New function.
6260         (cgraph_remove_node): Use it.
6261         * cgraph.h (cgraph_release_function_body): Declare.
6262         * cgraphunit.c (cgraph_expand_function): Use it.
6263         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
6264         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
6265         is initialized and while compilation of other function is running.
6266         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
6267         statement CFG annotations from here to ...
6268         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
6270 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
6272         * cfgloop.h (enum li_flags): Make the constants powers of two.
6274 2007-01-04  Jan Hubicka  <jh@suse.cz>
6276         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
6277         set.
6278         (fold_marked_statements): New function.
6279         (optimize_inline_calls, tree_function_versioning): Fold new statements.
6280         * tree-inline.h (copy_body_data): Add statements_to_fold.
6282 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
6284         * config.gcc: Mention libgcc/config.host.
6285         * Makefile.in: Update comments mentioning libgcc.
6286         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
6287         (all.cross, start.encap, rest.encap, rest.cross): Update
6288         dependencies for libgcc move.
6289         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
6290         (clean-target, clean-target-libgcc): Delete.
6291         (srcdirify, GCC_EXTRA_PARTS): New macros.
6292         (libgcc-support, libgcc.mvars): New rules.
6293         (distclean): Remove mention of mklibgcc.
6294         (install): Don't reference INSTALL_LIBGCC.
6295         (install-common): Don't reference EXTRA_PARTS.
6296         (install-libgcc, install-multilib): Delete rules.
6297         * mklibgcc.in: Delete file.
6298         * doc/configfiles.texi: Don't mention mklibgcc.
6300         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
6301         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
6302         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
6303         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
6304         (mklibgcc, ldblspecs): Likewise.
6306         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
6307         (posixpre.def): Use $(T).
6308         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
6309         (SHLIB_SRC, SHLIB_INSTALL): Delete.
6310         (SHLIB_LINK): Make dummy.
6311         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
6313         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
6315         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
6316         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
6317         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
6318         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
6320         * configure.ac (all_outputs): Remove mklibgcc.
6321         * configure: Regenerated.
6323 2007-01-03  Josh Conner  <jconner@apple.com>
6325         PR middle-end/29683
6326         * calls.c (compute_argument_addresses): Set stack and stack_slot
6327         for partial args, too.
6328         (store_one_arg): Use locate.size.constant for the size when
6329         generating a save_area.
6331 2007-01-03  Robert Kennedy <jimbob@google.com>
6333         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
6334         whose definitions are deleted due to basic block merging.
6336 2007-01-03  Paul Brook  <paul@codesourcery.com>
6338         PR target/16634
6339         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
6340         functions.
6341         (use_return_insn): Return 0 for Thumb interrupt functions.
6342         (print_multi_reg): Add rfe argument for IRQ returns.
6343         (arm_output_epilogue): Pop interrupt return address directly into PC.
6344         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
6346 2007-01-03  Paul Brook  <paul@codesourcery.com>
6348         Merge from sourcerygxx-4_1.
6349         * config/arm/thumb2.md: New file.
6350         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
6351         Thumb-2.
6352         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
6353         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6354         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
6355         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
6356         tables.
6357         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6358         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
6359         comptibility.
6360         * config/arm/ieee754-sf.S: Ditto.
6361         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
6362         (thumb1_base_register_rtx_p): ... to this.
6363         (thumb_index_register_rtx_p): Rename...
6364         (thumb1_index_register_rtx_p): ... to this.
6365         (thumb_output_function_prologue): Rename...
6366         (thumb1_output_function_prologue): ... to this.
6367         (thumb_legitimate_address_p): Rename...
6368         (thumb1_legitimate_address_p): ... to this.
6369         (thumb_rtx_costs): Rename...
6370         (thumb1_rtx_costs): ... to this.
6371         (thumb_compute_save_reg_mask): Rename...
6372         (thumb1_compute_save_reg_mask): ... to this.
6373         (thumb_final_prescan_insn): Rename...
6374         (thumb1_final_prescan_insn): ... to this.
6375         (thumb_expand_epilogue): Rename...
6376         (thumb1_expand_epilogue): ... to this.
6377         (arm_unwind_emit_stm): Rename...
6378         (arm_unwind_emit_sequence): ... to this.
6379         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
6380         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
6381         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
6382         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
6383         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
6384         thumb2_output_casesi): New functions.
6385         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
6386         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
6387         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
6388         THUMB2_WORK_REGS): Define.
6389         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
6390         arm_condexec_mask, arm_condexec_masklen)): New variables.
6391         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
6392         (arm_override_options): Check new CPU capabilities.
6393         Set new architecture flag variables.
6394         (arm_isr_value): Handle v7m interrupt functions.
6395         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
6396         Thumb-2.
6397         (const_ok_for_arm): Handle Thumb-2 constants.
6398         (arm_gen_constant): Ditto.  Use movw when available.
6399         (arm_function_ok_for_sibcall): Return false for v7m interrupt
6400         functions.
6401         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
6402         (thumb_find_work_register, arm_load_pic_register,
6403         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
6404         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
6405         print_multi_reg, output_mov_long_double_fpa_from_arm,
6406         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
6407         output_mov_double_fpa_from_arm, output_move_double,
6408         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
6409         output_return_instruction, arm_output_function_prologue,
6410         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
6411         arm_output_mi_thunk, thumb_set_return_address): Ditto.
6412         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
6413         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
6414         (arithmetic_instr, shift_op): Use arm_shift_nmem.
6415         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
6416         '!' and 'L'.
6417         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
6418         (thumb_expand_prologue): Use thumb_set_frame_pointer.
6419         (arm_file_start): Output directive for unified syntax.
6420         (arm_unwind_emit_set): Handle stack alignment instruction.
6421         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
6422         Add v6t2, v7, v7a, v7r and v7m.
6423         (RETLDM): Add Thumb-2 code.
6424         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
6425         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
6426         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
6427         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
6428         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
6429         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
6430         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
6431         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
6432         ADJUST_INSN_LENGTH): Define.
6433         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
6434         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
6435         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
6436         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
6437         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6438         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
6439         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
6440         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
6441         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
6442         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
6443         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
6444         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
6445         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
6446         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
6447         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
6448         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
6449         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
6450         cortex-m3.
6451         * config/arm/arm-tune.md: Regenerate.
6452         * config/arm/arm-protos.h: Update prototypes.
6453         * config/arm/vfp.md: Enable patterns for Thumb-2.
6454         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
6455         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
6456         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
6457         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
6458         * config/arm/libunwind.S: Add Thumb-2 code.
6459         * config/arm/constraints.md: Update include Thumb-2.
6460         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
6461         * config/arm/ieee754-df.S: Ditto.
6462         * config/arm/bpabi.S: Ditto.
6463         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
6464         * config/arm/predicates.md (low_register_operand,
6465         low_reg_or_int_operand, thumb_16bit_operator): New.
6466         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
6467         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
6468         * config/arm/t-arm-elf: Add armv7 multilib.
6469         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
6470         Include thumb2.md.
6471         (UNSPEC_STACK_ALIGN, ce_count): New.
6472         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
6473         arm_zero_extendsidi2, arm_zero_extendqidi2): New
6474         insns/expanders.
6475         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
6476         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
6477         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
6478         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
6479         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
6480         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
6481         insns.
6482         * doc/extend.texi: Document ARMv7-M interrupt functions.
6483         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
6485 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
6487         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
6488         (struct _Unwind_Context): Rename args_size to flags, remove
6489         signal_frame field, add a new args_size field and version field.
6490         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
6491         _Unwind_IsExtendedContext): New inline functions.
6492         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6493         Assume by_value array is only present if _Unwind_IsExtendedContext.
6494         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
6495         _Unwind_IsSignalFrame.
6496         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
6497         (uw_update_context_1): Use _Unwind_SetSignalFrame.
6498         (uw_init_context_1): Initialize context->flags to
6499         EXTENDED_CONTEXT_BIT.
6500         * config/rs6000/linux-unwind.h (frob_update_context): Use
6501         _Unwind_SetSignalFrame.
6503 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6505         PR middle-end/30353
6506         * gimplify.c (gimplify_modify_expr_complex_part): Move below
6507         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
6508         the value.
6510 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
6512         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
6513         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
6514         RET, AT_SP): Remove.
6515         * config/i386/i386.md (*sse_prologue_save_insn): Use return
6516         instead of RET.
6518         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6519         * cfgbuild.c (find_basic_blocks): Likewise.
6520         * cfgrtl.c (rtl_create_basic_block): Likewise.
6521         * function.c (temp_slots_at_level): Likewise.
6522         * reg-stack.c (stack_regs_mentioned): Likewise.
6523         * regclass.c (allocate_reg_info): Likewise.
6524         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6525         set_bb_for_stmt, move_block_to_fn): Likewise.
6526         * tree-complex.c (tree_lower_complex): Likewise.
6527         * vec.h (VEC_safe_grow_cleared): New.
6529         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
6531 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
6533         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
6534         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
6535         to loop_version.
6536         * cfgloopmanip.c (scale_loop_frequencies): Export.
6537         (loopify): Scale the frequencies by prescribed coefficients.
6538         (set_zero_probability): New function.
6539         (duplicate_loop_to_header_edge): Improve updating of frequencies.
6540         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
6541         and frequencies according to arguments.
6542         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
6543         correctly.
6544         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
6545         * modulo-sched.c (sms_schedule): Set probabilities for entering
6546         versioned loop correctly.
6547         * tree-vect-transform.c (vect_transform_loop): Ditto.
6548         * cfgloop.h (loopify, loop_version): Declaration changed.
6549         (scale_loop_frequencies): Declared.
6551 2007-01-02  Jan Hubicka  <jh@suse.cz>
6553         * cgraph.c: Include tree-flow.h
6554         (cgraph_add_new-function): Handle IPA_SSA mode; execute
6555         early_local_passes.
6556         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
6557         * tree-pass.h (pass_all_early_optimizations): Declare.
6558         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
6559         early_local_passes.
6560         (cgraph_analyze_function): Do early_local_passes.
6561         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6562         Do not add referenced vars.
6563         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
6564         SSA form.
6565         (gate_all_early_local_passes): New gate.
6566         (pass_early_local_passes): Use new gate.
6567         (execute_early_local_optimizations): New functions.
6568         (gate_all_early_optimizations): New gate.
6569         (pass_all_early_optimizations): New pass.
6570         (execute_free_datastructures): Free SSA only when initialized.
6571         (gate_init_datastructures): Init only when optimizing.
6572         (tree_lowering_passes): Do early local passes when called late.
6573         * tree-profile.c (do_tree_profiling): Don't profile functions added
6574         late.
6575         (do_early_tree_profiling, pass_early_tree_profile): Kill.
6576         * tree-cfg.c (update_modified_stmts): Do not update when operands are
6577         not active.
6578         * passes.c (init_optimizations_passes): Reorder so we go into SSA
6579         during early_local_passes.
6580         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
6583 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6585         * Makefile.in: Update copyright year.
6587 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6589         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
6590         in $(lang_checks) and check-consistency targets.
6592 2007-01-02  Jan Hubicka  <jh@suse.cz>
6594         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6595         Do not add referenced vars.
6596         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
6597         are not active.
6598         * passes.c (init_optimization_passes): Put mudflap_2 after
6599         free_datastructures.
6601 2007-01-02  Jan Hubicka  <jh@suse.cz>
6603         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
6604         Set NOTHROW flag on call statements proved to be nothrow.
6605         Update statement of local calls so new pure/const functions are
6606         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
6607         goto receivers.
6608         (tree_rest_of_compilation): Register hooks and initialize bitmap
6609         early. Do not set after_inlining flag.
6611 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
6613         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
6614         HOST_BITS_PER_LONGLONG
6616 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6618         PR c/19977
6619         * c-typeck.c (store_init_value): Don't emit pedantic overflow
6620         warning for non-static initializers.
6622 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
6624         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
6625         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
6626         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
6627         Always use set_unique_reg_note to add REG_EQUAL notes.
6629 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6631         Revert:
6632         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6634         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6635         * cfgbuild.c (find_basic_blocks): Likewise.
6636         * cfgrtl.c (rtl_create_basic_block): Likewise.
6637         * function.c (temp_slots_at_level): Likewise.
6638         * reg-stack.c (stack_regs_mentioned): Likewise.
6639         * regclass.c (allocate_reg_info): Likewise.
6640         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6641         set_bb_for_stmt, move_block_to_fn): Likewise.
6642         * tree-complex.c (tree_lower_complex): Likewise.
6643         * vec.h (VEC_safe_grow_cleared): New.
6645 2007-01-02  Ian Lance Taylor  <iant@google.com>
6647         * c-common.c (c_common_truthvalue_conversion): When warning about
6648         using an assignment as a truth value, set TREE_NO_WARNING.
6650 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6652         PR middle-end/7651
6653         * c.opt (Wold-style-declaration): New.
6654         * doc/invoke.texi (C-only Warning Options): New.
6655         (Wold-style-declaration): Document it.
6656         (Wextra): Enabled by -Wextra.
6657         * c-opts.c (c_common_post_options): Enabled by -Wextra.
6658         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
6659         -Wold-style-declaration.
6661 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6663         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6664         * cfgbuild.c (find_basic_blocks): Likewise.
6665         * cfgrtl.c (rtl_create_basic_block): Likewise.
6666         * function.c (temp_slots_at_level): Likewise.
6667         * reg-stack.c (stack_regs_mentioned): Likewise.
6668         * regclass.c (allocate_reg_info): Likewise.
6669         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6670         set_bb_for_stmt, move_block_to_fn): Likewise.
6671         * tree-complex.c (tree_lower_complex): Likewise.
6672         * vec.h (VEC_safe_grow_cleared): New.
6674 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
6676         * c-common.c (c_common_nodes_and_builtins): Since variants of
6677         void_type_node get built before it is given a name, we need to
6678         give those variants the name, too.
6679         (complete_array_type): We need to work with the canonical main
6680         type of the array, from which we will build the qualified version.
6681         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
6682         * print-tree.c (print_node): Display canonical type information
6683         for each type.
6684         * stor-layout.c (layout_type): When we don't know the
6685         alignment of a type for which we're building an array, we end up
6686         guessing wrong, so make the type require structural equality.
6687         * tree.c (make_node_stat): When we build a new type, it is its
6688         own canonical type.
6689         (build_type_attribute_qual_variant): When building an attribute
6690         variant, its canonical type is the non-attribute variant. However,
6691         if the attributes are target-dependent and they differ, we need to
6692         use structural equality checks for this type.
6693         (build_qualified_type): A qualified type is not equivalent to its
6694         unqualified variant; set the canonical type appropriately.
6695         (build_distinct_type_copy): When building a distinct type from
6696         another type, the new type is its own canonical type.
6697         (build_variant_type_copy): When building a new type variant, we
6698         assume that it is equivalent to the original type.
6699         (build_pointer_type_for_mode): When building a pointer type, also
6700         build a canonical type pointer.
6701         (build_reference_type_for_mode): When building a reference type,
6702         also build a canonical type reference.
6703         (build_index_type): When we can't hash an index type (e.g.,
6704         because its maximum value is negative), the index type requires
6705         structural equality tests.
6706         (build_array_type): Build the canonical form of an array type.
6707         (build_function_type): Function types require structural equality,
6708         because they contain default arguments, attributes, etc.
6709         (build_method_type_directly): Ditto for method types.
6710         (build_offset_type): Build the canonical offset type.
6711         (build_complex_type): Build the canonical vector type.
6712         (make_vector_type): Build the canonical vector type.
6713         * tree.h (TYPE_CANONICAL): New.
6714         (TYPE_STRUCTURAL_EQUALITY_P): New.
6715         (SET_TYPE_STRUCTURAL_EQUALITY): New.
6716         (struct tree_type): Added "canonical" field.
6717         * params.h (VERIFY_CANONICAL_TYPES): New.
6718         * doc/c-tree.texi (TYPE_CANONICAL): Document.
6719         (TYPE_STRUCTURAL_EQUALITY_P): Document.
6720         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
6721         * doc/invoke.texi (verify-canonical-types): Document --param
6722         parameter for verifying canonical types.
6724 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6726         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
6727         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
6728         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
6729         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
6730         tm_file.
6731         * config/rs6000/e500.h: New.
6732         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
6733         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
6734         Remove.
6735         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
6736         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
6737         TARGET_E500_DOUBLE): Remove.
6738         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
6739         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
6740         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
6741         * config/rs6000/rs6000.c (rs6000_override_options): Use
6742         CHECK_E500_OPTIONS.
6744 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6746         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
6747         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
6748         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
6749         rs6000_emit_cmove): Don't check TARGET_E500.
6750         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
6751         sordered): Don't check TARGET_E500.
6753 2007-01-01  Eric Christopher  <echristo@apple.com>
6755         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
6756         HARD_REGISTER_NUM_P.
6758 2007-01-01  Roger Sayle  <roger@eyesopen.com>
6760         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
6761         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
6762         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
6763         eq/ne Y".
6765 2007-01-01  Mike Stump  <mrs@apple.com>
6767         * configure.ac: Remove support for building with Apple's gcc-3.1.
6769 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6771         PR middle-end/30311
6772         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
6773         REG is a hard register.  Do not modify REG before calling
6774         subreg_nregs.
6775         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
6776         multiple of the size of YMODE for certain lowpart cases.
6778 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6780         PR middle-end/30253
6781         * gimplify (voidify_wrapper_expr): Update for
6782         GIMPLE_MODIFY_STMT.
6784 2007-01-01  Andreas Schwab  <schwab@suse.de>
6786         PR target/29166
6787         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6788         save of BR0 in extra_spill_size instead of spill_size.
6789         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6790         area.
6791         (ia64_expand_epilogue): Restore BR0 from its new location.
6793 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6795         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6796         Use a temporary variable if the left hand side is not a gimple
6797         register.
6799 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6801         * gimplify.c (gimplify_return_expr): Make the temporary variable
6802         for the return expression, a gimple register variable.
6804 2007-01-01  Jan Hubicka  <jh@suse.cz>
6806         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6807         INSN_LIST.
6809 2007-01-01  Mike Stump  <mrs@apple.com>
6811         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6812         .literal16.
6813         * config/darwin.c (machopic_select_rtx_section): Use
6814         HAVE_GAS_LITERAL16.
6815         (darwin_mergeable_constant_section): Likewise.
6816         * configure: Regenerate.
6817         * config.in: Regenerate.
6819 2007-01-01  Jan Hubicka  <jh@suse.cz>
6820             Andrew Pinski  <pinskia@gmail.com>
6822         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6823         before starting IPA passes.