* Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
[official-gcc.git] / gcc / ChangeLog
blob838fa3fe0ec786132ed6b0a28edc8d12053278fd
1 2007-02-27  Andreas Schwab  <schwab@suse.de>
3         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
5 2007-02-27  Jan Hubicka  <jh@suse.cz>
7         * predict.c (last_basic_block_p): Remove.
8         (tree_estimate_probability): Update return heuristic for commonized
9         return blocks.
11 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
13         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
15 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
17         * doc/include/gcc-common.texi (versionsubtitle): New macro.
18         * doc/cpp.texi: Standardize title page.
19         * doc/cppinternals.texi: Likewise.
20         * doc/gcc.texi: Standardize title page, remove version number
21         from copyright page.
22         * doc/gccint.texi: Likewise.
23         * doc/install.texi: Standardize title page, add table of
24         contents.
26 2007-02-26  Jan Hubicka  <jh@suse.cz>
28         * predict.def: Set outcomes according to more recent results.
29         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
30         Remove dead predictors.
31         * predict.c (return_prediction): Fix pasto.
33 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
35         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
36         change; avoid a memory leak when returning early.
37         
38 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
40         * c-decl.c (static_ctors): Move to c-common.c.
41         (static_dtors): Likewise.
42         (finish_function): Use c_record_cdtor_fn.
43         (build_cdtor): Move to c-common.c.
44         (c_write_global_declarations): Use c_build_cdtor_fns.
45         * c-common.h (static_ctors): Declare.
46         (static_dtors): Likewise.
47         (c_record_cdtor_fn): Likewise.
48         (c_build_cdtor_fns): Likewise.
49         * c-common.c (static_ctors): New variable.
50         (static_dtors): Likewise.
51         (c_record_cdtor_fn): New function.
52         (build_cdtor): Move from c-decl.c
53         (c_build_cdtor_fns): New function.
55         * output.h (assemble_addr_to_section): Declare.
56         (get_cdtor_priority_section): Likewise.
57         * varasm.c (assemble_addr_to_section): New function.
58         (get_cdtor_priority_section): Likewise.
59         (default_named_section_asm_out_destructor): Use them.
60         (destor_dtor_section_asm_out_destructor): Likewise.
61         (default_named_section_asm_out_constructor): Likewise.
62         (default_ctor_section_asm_out_constructor): Likewise.
63         * config.gcc (*-*-vxworks*): Include vxworks.o.
64         * config/t-vxworks (vxworks.o): New target.
65         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
66         (TARGET_ASM_CONSTRUCTOR): Define.
67         (TARGET_ASM_DESTRUCTOR): Likewise.
68         (vxworks_asm_out_constructor): Declare.
69         (vxworks_asm_out_destructor): Likewise.
71         * c-common.c (get_priority): Check that we have not just an
72         INTEGER_CST, but an integer constant with integeral type.
74 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
76         PR tree-optimization/30938
77         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
78         use &dt[nargs-1] instead of &dt[nargs] in the call to
79         vect_is_simple_use().
81 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
83         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
84         from register elimination as PRE_MODIFY / POST_MODIFY increments.
85         Do not attempt to handle MEM inside auto-inc expressions.
86         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
87         of a register modified by an auto-inc expression.  However, do handle
88         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
89         (elimination_effects): Prohibit elimination of a register modified
90         by an auto-inc expression.  Disable register elimination rules whose
91         target register is modified by an auto-inc expression with variable
92         increment.
94 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
96         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
97         off-by-one error.
98         (array_at_struct_end_p): New function.
99         (idx_infer_loop_bounds): Use it.
100         (estimate_numbers_of_iterations_loop): Export.
101         * predict.c (predict_loops): Use estimated_loop_iterations_int.
102         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
103         (tree_estimate_probability): Call record_loop_exits.
104         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
105         (estimated_loop_iterations, estimated_loop_iterations_int,
106         estimated_loop_iterations_tree): New functions.
107         (analyze_siv_subscript_cst_affine,
108         compute_overlap_steps_for_affine_1_2,
109         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
110         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
111         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
112         (PRED_LOOP_ITERATIONS_GUESSED): New.
113         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
114         * cfgloop.h (estimate_numbers_of_iterations_loop,
115         estimated_loop_iterations_int): Declare.
117 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
119         * doc/extend.texi: Document optional priority argument to
120         constructors and destructors.
121         * tree.c (init_priority_for_decl): Adjust GTY markers.
122         (init_ttree): Use priority-info hash functions for
123         init_priority_for_decl.
124         (tree_map_eq): Rename to ...
125         (tree_map_base_eq): ... this.
126         (tree_map_marked_p): Rename to ...
127         (tree_map_base_marked_p): ... this.
128         (tree_map_base_hash): New function.
129         (decl_init_priority_lookup): Rework.
130         (decl_fini_priority_lookup): New function.
131         (decl_priority_info): New function.
132         (decl_init_priority_insert): Use it.
133         (decl_fini_priority_insert): Likewise.
134         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
135         hierarchy.
136         (decl_restrict_base_insert): Likewise.
137         (decl_debug_expr_insert): Likewise.
138         (decl_value_expr_lookup): Likewise.
139         (decl_value_expr_insert): Likewise.
140         * tree.h (priority_type): New type.
141         (decl_init_priority_lookup): Use priority_type.
142         (decl_fini_priority_lookup): New function.
143         (decl_init_priority_insert): Use priority_type.
144         (decl_fini_priority_insert): New function.
145         (DECL_HAS_INIT_PRIORITY): Tweak comments.
146         (DECL_INIT_PRIORITY): Likewise.
147         (SET_DECL_INIT_PRIORITY): Add comment.
148         (DECL_FINI_PRIORITY): New macro.
149         (SET_DECL_FINI_PRIORITY): Likewise.
150         (DEFAULT_INIT_PRIORITY): Document.
151         (MAX_INIT_PRIORITY): Likewise.
152         (MAX_RESERVED_INIT_PRIORITY): Likewise.
153         (tree_map_base): New type.
154         (tree_map_base_eq): New function.
155         (tree_map_base_hash): Likewise.
156         (tree_map_base_marked_p): Likewise.
157         (tree_map): Inherit from tree_map_base.
158         (tree_map_eq): Make it a macro.
159         (tree_map_marked_p): Likewise.
160         (tree_int_map): Inherit from tree_map_base.
161         (tree_int_map_eq): Make it a macro.
162         (tree_int_map_hash): Likewise.
163         (tree_int_map_marked_p): Likewise.
164         (tree_priority_map): New type.
165         (tree_priority_map_eq): New macro.
166         (tree_priority_map_hash): Likewise.
167         (tree_priority_map_marked_p): Likewise.
168         * varasm.c (emults_decl): Adjust for refactoring of tree_map
169         hierarchy.
170         (emutls_common_1): Likewise.
171         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
172         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
173         of tree_map hierarchy.
174         * tree-cfg.c (move_stmt_r): Likewise.
175         (new_label_mapper): Likewise.
176         * c-tree.h (c_expand_body): Move to ...
177         * c-common.h (c_expand_body): ... here.
178         * c-decl.c (c_expand_body): Move to ...
179         * c-common.c (c_expand_body): ... here.
180         (c_common_attribute_table): Allow 1 argument for the constructor
181         and destructor attributes.
182         (get_priority): New function.
183         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
184         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
186 2007-02-24  Jan Hubicka  <jh@suse.cz>
188         PR middle-end/30509
189         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
191 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
192             Jan Hubicka  <jh@suse.cz>
194         PR target/30778
195         * i386.c (counter_mode): New function.
196         (expand_set_or_movmem_via_loop): Use it.
197         (expand_movmem_epilogue): Likewise; fix pasto.
198         (ix86_expand_movmem): Do emit guard even for constant counts.
199         (ix86_expand_setmem): Likewise.
201 2007-02-25  Nick Clifton  <nickc@redhat.com>
203         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
204         (JUMP_TABLES_IN_TEXT_SECTION): Define.
206 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
208         PR target/30770
209         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
210         count argument with 0x10, not with 0x16.
211         (expand_setmem_epilogue): Ditto.
213 2007-02-24  Mike Stump  <mrs@apple.com>
215         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
216         symbols.
218 2007-02-24  Richard Guenther  <rguenther@suse.de>
220         PR middle-end/30951
221         * fold-const.c (fold_binary): Fold x +- CST op x for
222         EQ_EXPR and NE_EXPR.
224 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
226         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
228 2007-02-24  Jan Hubicka  <jh@suse.cz>
230         * cgraphunit.c (decide_is_function_needed): Honor
231         -fkeep-inline-functions.
233 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
235         * builtins.c (fold_builtin_modf): New.
236         (fold_builtin_2): Use it.
238 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
240         * loop-iv.c (implies_p): Detect additional cases where A implies B.
241         (determine_max_iter): Take additional LOOP arg; all callers changed.
242         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
243         one using simplifications.
244         (simplify_using_initial_values): Return if the expression becomes
245         invalid due to altered regs.
247 2007-02-23  DJ Delorie  <dj@redhat.com>
249         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
251 2007-02-23  Mike Stump  <mrs@apple.com>
253         * tlink.c (scan_linker_output): Parse linker messages from
254         darwin9's linker better.
256 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
258         PR debug/29614
259         * varpool.c (varpool_assemble_pending_decls):  Set
260         varpool_last_needed_node to null.
262 2007-02-23  DJ Delorie  <dj@redhat.com>
264         * config/i386/i386.c (ix86_data_alignment): Don't specify an
265         alignment bigger than the object file can handle.
267 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
269         PR target/30825
270         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
271         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
272         (*movsf_1): Penalize MMX moves.
274 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
276         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
277         2^32-1 or more times unless flag_unsafe_loop_optimizations.
279         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
281 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
283         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
284         (fold_builtin_1): Use them.
285         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
286         BUILT_IN_SIGNIFICAND.
288 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
290         * config/i386/i386.c (bdesc_1arg): Initialize
291         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
292         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
293         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
294         and IX86_BUILTIN_MOVSLDUP.
296 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
298         PR rtl-optimization/30841
299         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
301 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
303         * builtins.c (fold_builtin_frexp): New.
304         (fold_builtin_2): Use it.
306 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
308         * doc/invoke.texi (Spec Files): Document getenv spec function.
310         * gcc.c (getenv_spec_function): New function.
311         (static_spec_functions): Add it.
312         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
313         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
314         header files.
316 2007-02-22  Michael Matz  <matz@suse.de
318         PR c++/29433
319         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
320         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
322 2007-02-22  Ian Lance Taylor  <iant@google.com>
324         PR debug/30898
325         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
326         (mem_loc_descriptor): Call it.
328 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
329             Ira Rosen  <irar@il.ibm.com>
331         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
333 2007-02-22  Ira Rosen  <irar@il.ibm.com>
335         PR tree-optimization/30843
336         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar 
337         stores only after all the group is vectorized.
339 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
341         PR tree-optimization/30858
342         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
343         in the reduction cycle have a single use in the loop.
344         * tree-vectorizer.h (relevant): Add documentation.
346 2007-02-20  Mike Stump  <mrs@apple.com>
348         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
349         * configure: Regenerate.
351 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
353         Change the defaults of some parameters and options.
354         * config/spu/spu-protos.h (spu_optimization_options): Declare.
355         * config/spu/spu.c (spu_optimization_options): Add.
356         (spu_override_options): Change params in spu_optimization_options.
357         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
359         Register 127 is only 16 byte aligned when used as a frame pointer.
360         * config/spu/spu-protos.h (spu_init_expanders): Declare.
361         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
362         HARD_FRAME_POINTER_REGNUM.
363         (spu_legitimate_address):  Use regno_aligned_for_reload.
364         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
365         aligned when frame_pointer_needed is true.
366         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
367         to 8 bits.
368         * config/spu/spu.h (INIT_EXPANDERS): Define.
370         Make sure shift and rotate instructions have valid immediate operands.
371         * config/spu/predicates.md (spu_shift_operand): Remove.
372         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
373         * config/spu/constraints.md (W, O): Extend range.
374         * config/spu/spu.md (umask, nmask): Define.
375         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
376         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
377         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
378         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
379         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
380         (lshr<mode>3_reg):  Fix rtl description.
382         Make sure mulhisi immediate operands are valid.
383         * config/spu/predicates.md (imm_K_operand): Add.
384         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
386         Generate constants using fsmbi and andi.
387         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
388         (print_operand, spu_split_immediate, classify_immediate,
389         fsmbi_const_p): Handle IC_FSMBI2.
391         Correctly handle a CONST_VECTOR containing symbols.
392         * config/spu/spu.c (print_operand): Handle HIGH correctly.
393         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
394         (immediate_load_p): Allow symbols that use 2 instructions to create.
395         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
396         with symbols when flag_pic is set.
397         (const_vector_immediate_p): New.
398         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
399         accept a CONST_VECTOR with symbols.
400         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
401         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
402         correctly.
403         * config/spu/spu.md (high, low): Delete.
404         (low_<mode>): Define.
406         Remove INTRmode and INTR_REGNUM, which didn't work.
407         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
408         of INTR_REGNUM.
409         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
410         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
411         peephole2 pattern): Don't use INTR or 131.
412         (movintrcc): Delete.
413         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
414         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
415         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
416         (UNSPEC_SET_INTR): Add.
417         * config/spu/spu-modes.def (INTR): Remove.
419         More accurate warnings about run-time relocations.
420         * config/spu/spu.c (reloc_diagnostic): Test in_section.
422         Correctly warn about immediate arguments to specific intrinsics.
423         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
424         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
425         the instruction predicate.
427         Fix tree check errors with latest update.
428         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
429         CALL_EXPR_ARG.
430         (spu_expand_builtin): Use CALL_EXPR_FN.
432         Add missing specific intrinsics.
433         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
434         si_bislede.
435         * config/spu/spu_internals.h: Ditto.
437         Fix incorrect operand modifiers.
438         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
439         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
441         Optimize one case of zero_extend of a vec_select.
442         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
444         Accept any immediate for hbr.
445         * config/spu/spu.md (hbr):  Change s constraints to i.
447 2007-02-21  Paul Brook  <paul@codesourcery.com>
449         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
450         condexec_count when skipping USE and CLOBBER.
452 2007-02-21  Nick Clifton  <nickc@redhat.com>
454         * common.opt (Warray-bounds): Add Warning attribute.
455         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
456         Likewise.
457         (fsized-zeroes): Add Optimization attribute.
458         (fsplit-wide-types, ftree-scev-cprop): Likewise.
459         * c.opt (Wc++0x-compat): Add Warning attribute.
461 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
463         PR middle-end/30761
464         * reload1.c (eliminate_regs_in_insn): In the single_set special
465         case, attempt to re-recognize the insn before falling back to
466         having reload fix it up.
468 2007-02-20  Eric Christopher  <echristo@gmail.com>
470         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
471         Rewrite accordingly.
472         (frv_read_iacc_argument): Ditto.
473         (frv_expand_set_builtin): Take a call instead of arglist, update for
474         above changes.
475         (frv_expand_unop_builtin): Ditto.
476         (frv_expand_binop_builtin): Ditto.
477         (frv_expand_cut_builtin): Ditto.
478         (frv_expand_binopimm_builtin): Ditto.
479         (frv_expand_voidbinop_builtin): Ditto.
480         (frv_expand_int_void2arg): Ditto.
481         (frv_expand_prefetches): Ditto.
482         (frv_expand_voidtriop_builtin): Ditto.
483         (frv_expand_voidaccop_builtin): Ditto.
484         (frv_expand_load_builtin): Ditto.
485         (frv_expand_store_builtin): Ditto.
486         (frv_expand_mdpackh_builtin): Ditto.
487         (frv_expand_mclracc_builtin): Ditto.
488         (frv_expand_mrdacc_builtin): Ditto.
489         (frv_expand_mwtacc_builtin): Ditto.
490         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
491         calls for above.
493 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
495         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
496         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
497         cmpb instruction.
498         (HAVE_GAS_DFP): Check for assembler support of decimal floating
499         point instructions.
500         * configure: Regenerate.
501         * config.in: Regenerate.
502         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
503         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
504         masks to power6 and power6x and to POWERPC_MASKS.
505         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
506         _ARCH_PWR6.
507         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
508         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
509         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
510         Access PROTOTYPE as variable, not mask.
512 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
514         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
515         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
516         * combine.c (adjust_for_new_dest): Use it.
517         * postreload.c (reload_combine): Likewise.
519 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
521         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
522         notes on an insn with multiple sets, even if single_set returns
523         non-NULL for that insn.
525 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
527         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
528         scalbn and scalbln.
530 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
532         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
533         if user didn't pass it.
534         * config/i386/darwin.h (CC1_SPEC): Likewise.
535         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
536         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
537         -mmacosx-version-min.
539 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
540             Uros Bizjak  <ubizjak@gmail.com>
542         * optabs.h (enum optab_index): Add new OTI_scalb.
543         (scalb_optab): Define corresponding macro.
544         * optabs.c (init_optabs): Initialize scalb_optab.
545         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
546         patterns.
547         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
548         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
549         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
550         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
551         flag_unsafe_math_optimizations is set.
553         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
554         to implement scalbf, scalb and scalbl built-ins as inline x87
555         intrinsics.
557 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
558             DJ Delorie <dj@redhat.com>
560         PR other/30824
561         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
562         (diagnostic_report_diagnostic): ... here, and turn them into real
563         errors. If warnings are inhibited, no need to do anything.
565 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
567         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
568         better code generation.
570 2007-02-20  Ben Elliston  <bje@au.ibm.com>
572         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
574 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
576         * config/alpha/alpha.c, config/alpha/alpha.md,
577         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
578         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
579         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
580         config/arm/lib1funcs.asm: Follow spelling conventions.
582         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
583         config/fr30/fr30.md, config/i386/i386.h,
584         config/iq2000/iq2000.h, config/iq2000/predicates.md,
585         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
586         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
587         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
588         config/rs6000/altivec.md, config/rs6000/rs6000.c,
589         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
590         config/sparc/sparc.c, config/sparc/sparc.h,
591         config/sparc/sparc.md, config/spu/constraints.md,
592         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
593         conventions.
595 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
597         PR target/29943
598         * varasm.c (use_blocks_for_decl_p): Return false for decls with
599         alias attribute.
601 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
603         * doc/invoke.texi (-ftree-lrs): Remove.
605 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
607         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
608         NULL.
610 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
612         * config/ia64/ia64.c (ia64_expand_builtin): Use the
613         new CALL_EXPR_FN macro for retrieving the function
614         declaration of the input expression.
616 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
618         * c.opt (Waddress): New.
619         * common.opt (Walways-true): Delete.
620         (Wstring-literal-comparison): Delete.
621         * doc/invoke.texi (Warning Options): Delete -Walways-true and
622         -Wstring-literal-comparison. Add -Waddress.
623         (Waddress): New.
624         (Walways-true): Delete.
625         (Wstring-literal-comparison): Delete.
626         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
627         consistently instead of -Walways-true in example.
628         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
629         * c-typeck.c (parser_build_binary_op): Replace
630         -Wstring-literal-comparison and -Walways-true with -Waddress.
631         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
632         with -Waddress.
634 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
636         * tree-cfg.c (dump_function_to_file): Be prepared for functions
637         without DECL_STRUCT_FUNCTION initialized.
639 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
641         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
642         due to calls to functions taking pointers as parameters.
644 2007-02-19  Richard Henderson  <rth@redhat.com>
646         PR debug/29558
647         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
648         in memory.
650 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
652         * config/s390/s390.c (s390_call_saved_register_used,
653         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
654         accessed to the new scheme.
656 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
658         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
659         (cris_print_index, cris_print_operand, cris_print_operand_address)
660         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
661         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
662         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
663         GET_CODE () == xxx.
664         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
665         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
666         GO_IF_LEGITIMATE_ADDRESS): Ditto.
667         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
668         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
669         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
670         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
671         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
672         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
673         (uminsi3, call, call_value): Ditto.
674         (define_split: indir_to_reg_split, unnamed): Ditto.
676 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
678         PR tree-optimization/30975
679         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
680         wrong assert.
682 2007-02-18  Eric Christopher  <echristo@gmail.com>
684         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
685         Remove use of arglist.
686         (mips_expand_builtin): Remove use of arglist, pass in expr.
687         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
688         (mips_expand_builtin_movtf): Ditto.
689         (mips_expand_builtin_compare): Ditto.
691 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
693         * tree-sra.c (sra_build_assignment): Replace assertion
694         checking with a comment explaining why it can't be done.
696 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
698         PR middle-end/30833
699         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
700         during CALL_EXPR representation conversion.
701         * tree-ssa-propagate.c (set_rhs): Likewise.
703 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
705         * tree-sra.c (sra_build_assignment): Disable assertion checking
706         for now.
708 2007-02-18  Roger Sayle  <roger@eyesopen.com>
710         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
711         instead of calling build2 with a GIMPLE_MODIFY_STMT.
712         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
713         Likewise.
714         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
715         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
716         gimplify_init_ctor_eval_range, gimple_push_cleanup,
717         gimplify_omp_for, gimplify_omp_atomic_pipeline,
718         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
719         force_gimple_operand): Likewise.
720         * ipa-cp.c (constant_val_insert): Likewise.
721         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
722         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
723         perfect_nestify): Likewise.
724         * langhooks.c (lhd_omp_assignment): Likewise.
725         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
726         lower_copyprivate_clauses, lower_send_clauses,
727         lower_send_shared_vars, expand_parallel_call,
728         expand_omp_for_generic, expand_omp_for_static_nochunk,
729         expand_omp_for_static_chunk, expand_omp_sections,
730         lower_omp_single_copy, lower_omp_for_lastprivate,
731         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
732         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
733         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
734         Likewise.
736 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
738         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
739         config/sh/sh.md: Follow spelling conventions.
741         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
742         config/frv/predicates.md: Follow spelling conventions.
744         * config/m68k/linux-unwind.h: Fix a comment typo.
745         * target.h: Follow spelling conventions.
747 2007-02-18  Roger Sayle  <roger@eyesopen.com>
749         PR rtl-optimization/28173
750         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
751         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
752         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
753         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
754         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
756 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
758         * builtins.c (fold_builtin_load_exponent): New.
759         (fold_builtin_2): Use it.
761 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
763         PR rtl-optimization/30773
764         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
765         if we fail to attach a REG_EQUIV note.
767 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
768             Roger Sayle  <roger@eyesopen.com>
770         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
772 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
774         * calls.c (initialize_argument_information): Pass original EXP
775         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
776         code to split complex arguments here, as part of initializing the
777         ARGS array.
778         (expand_call): Remove code that builds a list of arguments and
779         inserts implicit arguments into it.  Instead, just count how many
780         implicit arguments there will be so we can determine the size of
781         the ARGS array, and let initialize_argument_information do the work.
782         (split_complex_values): Delete unused function.
784 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
786         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
788 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
790         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
791         for arg pointer based indexed addressing.
793 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
795         * config/ia64/ia64.h, config/ia64/ia64.md,
796         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
797         spelling conventions.
799 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
801         * config/m68k/m68k.c (split_di): New.
802         * config/m68k/m68k-protos.h: Declare split_di.
803         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
804           Improve predicate handling and split constant shifts.
806 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
808         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
809         parameter for register bitfield operations, general predicates
810         cleanup
812 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
814         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
815         * config/m68k/linux-unwind.h: New file.
817 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
819         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
820         config/i386/athlon.md, config/ia64/ia64.md,
821         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
822         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
823         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
824         tree-ssa-loop-niter.c, tree-vect-analyze.c,
825         tree-vect-transform.c: Fix comment typos.
827 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
829         * sched-deps.c (find_insn_list): Remove.
830         * sched-int.h: Remove the prototype for find_insn_list.
832 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
834         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
835         to linker.
836         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
837         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
838         darwin_rs6000_override_options.
839         (C_COMMON_OVERRIDE_OPTIONS): Expect
840         darwin_macosx_version_min to be non-NULL always.
841         (TARGET_C99_FUNCTIONS): Likewise.
842         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
843         (DARWIN_MINVERSION_SPEC): New.
844         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
845         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
846         to cc1*.
847         (DARWIN_MINVERSION_SPEC): New.
848         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
849         value.
850         * config/darwin-c.c (darwin_cpp_builtins): Expect
851         darwin_macosx_version_min to be non-NULL always.
853         * config/rs6000/rs6000.c: Clean up trailing whitespace.
855 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
857         * config/i386/i386.h (x86_use_xchgb): New.
858         (TARGET_USE_XCHGB): New macro.
859         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
860         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
861         Split after reload into bswaphi for shifts of 8.
862         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
863         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
864         or when optimizing for size.
866 2007-02-16  Richard Guenther  <rguenther@suse.de>
867             Christian Bruel  <christian.bruel@st.com>
869         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
870         DECLs but prefer SSA_NAMEs over DECLs.
872 2007-02-16  Richard Guenther  <rguenther@suse.de>
874         * tree-flow-inline.h (single_imm_use_p): Remove.
875         (zero_imm_uses_p): Likewise.
876         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
877         instead of single_imm_use_p.
878         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
879         zero_imm_uses_p.
881 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
883         PR other/27843
884         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
885         nested double- and backquotes.
887 2007-02-15  Roger Sayle  <roger@eyesopen.com>
889         PR middle-end/30391
890         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
891         should be unreachable.
892         (build2_stat): Allow construction of MODIFY_EXPR at any time.
893         For the time being redirect GIMPLE_MODIFY_STMT to the new
894         (renamed) build_gimple_modify_stmt_stat.
895         (build2_gimple_stat): Rename to...
896         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
897         Always build a GIMPLE_MODIFY_STMT node.
898         * tree.h (build2_gimple, build2_gimple_stat): Delete.
899         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
900         declarations.
902         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
903         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
904         * tree-complex.c (set_component_ssa_name, expand_complex_move,
905         expand_complex_div_wide): Likewise.
906         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
907         * tree-ssa-loop-im.c (schedule_sm): Likewise.
908         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
909         * tree-ssa-loop-manip.c (create_iv): Likewise.
910         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
911         abs_replacement): Likewise.
912         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
913         realify_fake_stores): Likewise.
915         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
916         node rather than a GIMPLE_MODIFY_STMT node.
917         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
918         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
919         Likewise.
920         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
921         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
922         GIMPLE_MODIFY_STMT.
924 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
926         PR middle-end/30433
927         * fold-const.c (fold_comparison): Add back the
928         folding of constant complex comparisions.
930 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
932         PR middle-end/30729
933         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
934         effects unknown to this function, return early.
936 2007-02-15  Ian Lance Taylor  <iant@google.com>
938         * lower-subreg.c (move_eh_region_note): New static function.
939         (resolve_simple_move): Call it.
940         (decompose_multiword_subregs): Track blocks for which we resolve a
941         simple move which is also a control flow insn.  Pass them to
942         find_many_sub_basic_blocks.
943         (pass_lower_subreg): Add TODO_verify_flow.
944         (pass_lower_subreg2): Likewise.
946 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
947             Brooks Moses  <brooks.moses@codesourcery.com>
948             Lee Millward  <lee.millward@codesourcery.com>
950         * tree.h (enum tree_code_class): Add tcc_vl_exp.
951         (VL_EXP_CLASS_P): New.
952         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
953         TREE_CODE_LENGTH.
954         (TREE_OPERAND_CHECK_CODE): Likewise.
955         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
956         (TREE_RTL_OPERAND_CHECK): Likewise.
957         (tree_operand_check_failed): Make second parameter the whole tree
958         instead of its code.  Fixed callers.
959         (VL_EXP_CHECK): New.
960         (TREE_OPERAND_LENGTH): New.
961         (VL_EXP_OPERAND_LENGTH): New.
962         (CALL_EXPR_FN): New.
963         (CALL_EXPR_STATIC_CHAIN): New.
964         (CALL_EXPR_ARGS): New.
965         (CALL_EXPR_ARG): New.
966         (call_expr_nargs): New.
967         (CALL_EXPR_ARGP): New.
968         (build_nt_call_list): Declare.
969         (build_vl_exp_stat): Declare.
970         (build_vl_exp): New.
971         (build_call_list): Declare.
972         (build_call_nary): Declare.
973         (build_call_valist): Declare.
974         (build_call_array): Declare.
975         (call_expr_arg): Declare.
976         (call_expr_argp): Declare.
977         (call_expr_arglist): Declare.
978         (fold_build_call_list): Declare.
979         (fold_build_call_list_initializer): Declare.
980         (fold_call_expr): Declare to replace fold_builtin.
981         (fold_builtin_fputs): Update to agree with modified definition.
982         (fold_builtin_strcpy): Likewise.
983         (fold_builtin_strncpy): Likewise.
984         (fold_builtin_memory_chk): Likewise.
985         (fold_builtin_stxcpy_chk): Likewise.
986         (fold_builtin_strncpy_chk): Likewise.
987         (fold_builtin_next_arg): Likewise.
988         (fold_build_call_expr): Declare.
989         (fold_builtin_call_list): Declare.
990         (fold_builtin_call_valist): Declare.
991         (build_call_expr): Declare.
992         (validate_arglist): Update to agree with modified definition.
993         (tree_operand_length): New.
994         (call_expr_arg_iterator): New.
995         (init_call_expr_arg_iterator): New.
996         (next_call_expr_arg): New.
997         (first_call_expr_arg): New.
998         (more_call_expr_args_p): New.
999         (FOR_EACH_CALL_EXPR_ARG): New.
1001         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
1002         and tcc_gimple_stmt.
1003         (tree_code_size): Update documentation.  Use sizeof (tree) rather
1004         than sizeof (char *).
1005         (tree_size): Likewise.  Add case for tcc_vl_exp.
1006         (tree_node_structure): Add case for tcc_vl_exp.
1007         (contains_placeholder_p): Likewise.
1008         (substitute_in_expr): Likewise.
1009         (substitute_placeholder_in_expr): Likewise.
1010         (stabilize_reference_1): Likewise.
1011         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
1012         to diagnose breakage of this interface for constructing CALL_EXPRs.
1013         (build_nt): Add similar assertion here.
1014         (build_nt_call_list): New.
1015         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
1016         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
1017         TREE_CODE_LENGTH.
1018         (get_callee_fndecl): Use new CALL_EXPR accessors.
1019         (tree_operand_check_failed): Change parameters to pass entire node
1020         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
1021         (process_call_operands): New.
1022         (build_vl_exp_stat): New.
1023         (build_call_list): New.
1024         (build_call_nary): New.
1025         (build_call_valist): New.
1026         (build_call_array): New.
1027         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1028         (call_expr_arglist): New.
1030         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
1031         tcc_vl_exp instead of a fixed-size tcc_expression.
1033         * doc/c-tree.texi (CALL_EXPR): Document new representation and
1034         accessors for CALL_EXPRs.
1035         (AGGR_INIT_EXPR): Likewise.
1037 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1038             Brooks Moses  <brooks.moses@codesourcery.com>
1039             Lee Millward  <lee.millward@codesourcery.com>
1041         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
1042         (expand_builtin_nonlocal_goto): Change parameter to be entire
1043         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
1044         (expand_builtin_prefetch): Likewise.
1045         (expand_builtin_classify_type): Likewise.
1046         (mathfn_built_in): Return NULL_TREE instead of 0.
1047         (expand_errno_check): Use new CALL_EXPR accessors.
1048         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
1049         Return NULL_RTX instead of 0.
1050         (expand_builtin_mathfn_2): Likewise.
1051         (expand_builtin_mathfn_3): Likewise.
1052         (expand_builtin_interclass_mathfn): Likewise.
1053         (expand_builtin_sincos): Likewise.
1054         (expand_builtin_cexpi): Likewise.
1055         (expand_builtin_int_roundingfn): Likewise.
1056         (expand_builtin_int_roundingfn_2): Likewise.
1057         (expand_builtin_pow): Likewise.
1058         (expand_builtin_powi): Likewise.
1059         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
1060         of arglist, fixing callers appropriately.  Use new CALL_EXPR
1061         accessors and constructors.  Return NULL_RTX instead of 0.
1062         (expand_builtin_strstr): Likewise.
1063         (expand_builtin_strchr): Likewise.
1064         (expand_builtin_strrchr): Likewise.
1065         (expand_builtin_strpbrk): Likewise.
1066         (expand_builtin_memcpy): Likewise.
1067         (expand_builtin_mempcpy): Likewise.
1068         (expand_builtin_mempcpy_args): New.
1069         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
1070         (expand_builtin_memmove_args): New.
1071         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
1072         (expand_movstr): Likewise.
1073         (expand_builtin_strcpy): Likewise.
1074         (expand_builtin_strcpy_args): New.
1075         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
1076         (expand_builtin_strncpy): Likewise.
1077         (expand_builtin_memset): Likewise.
1078         (expand_builtin_memset_args): New.
1079         (expand_builtin_bzero): Similarly to expand_builtin_memset.
1080         (expand_builtin_memcmp): Likewise.
1081         (expand_builtin_strcmp): Likewise.
1082         (expand_builtin_strncmp): Likewise.
1083         (expand_builtin_strcat): Likewise.
1084         (expand_builtin_strncat): Likewise.
1085         (expand_builtin_strspn): Likewise.
1086         (expand_builtin_strcspn): Likewise.
1087         (expand_builtin_args_info): Likewise.
1088         (expand_builtin_va_start): Likewise.
1089         (gimplify_va_arg_expr): Likewise.
1090         (expand_builtin_va_end): Likewise.
1091         (expand_builtin_va_copy): Likewise.
1092         (expand_builtin_frame_address): Likewise.
1093         (expand_builtin_alloca): Likewise.
1094         (expand_builtin_bswap): Likewise.
1095         (expand_builtin_unop): Likewise.
1096         (expand_builtin_fputs): Likewise.
1097         (expand_builtin_expect): Likewise.
1098         (expand_builtin_fabs): Likewise.
1099         (expand_builtin_copysign): Likewise.
1100         (expand_builtin_printf): Likewise.
1101         (expand_builtin_fprintf): Likewise.
1102         (expand_builtin_sprintf): Likewise.
1103         (expand_builtin_init_trampoline): Likewise.
1104         (expand_builtin_signbit): Likewise.
1105         (expand_builtin_fork_or_exec): Likewise.
1106         (expand_builtin_sync_operation): Likewise.
1107         (expand_builtin_compare_and_swap): Likewise.
1108         (expand_builtin_lock_test_and_set): Likewise.
1109         (expand_builtin_lock_release): Likewise.
1110         (expand_builtin): Likewise.
1111         (builtin_mathfn_code): Likewise.
1113         (fold_builtin_constant_p): Pass call arguments individually instead
1114         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1115         accessors and constructors.  Return NULL_TREE instead of 0.
1116         (fold_builtin_expect): Likewise.
1117         (fold_builtin_classify_type): Likewise.
1118         (fold_builtin_strlen): Likewise.
1119         (fold_builtin_nan): Likewise.
1120         (integer_valued_real_p): Likewise.
1121         (fold_trunc_transparent_mathfn): Likewise.
1122         (fold_fixed_mathfn): Likewise.
1123         (fold_builtin_cabs): Likewise.
1124         (fold_builtin_sqrt): Likewise.
1125         (fold_builtin_cbrt): Likewise.
1126         (fold_builtin_cos): Likewise.
1127         (fold_builtin_cosh): Likewise.
1128         (fold_builtin_tan): Likewise.
1129         (fold_builtin_sincos): Likewise.
1130         (fold_builtin_cexp): Likewise.
1131         (fold_builtin_trunc): Likewise.
1132         (fold_builtin_floor): Likewise.
1133         (fold_builtin_ceil): Likewise.
1134         (fold_builtin_round): Likewise.
1135         (fold_builtin_int_roundingfn): Likewise.
1136         (fold_builtin_bitop): Likewise.
1137         (fold_builtin_bswap): Likewise.
1138         (fold_builtin_logarithm): Likewise.
1139         (fold_builtin_hypot): Likewise.
1140         (fold_builtin_pow): Likewise.
1141         (fold_builtin_powi): Likewise.
1142         (fold_builtin_exponent): Likewise.
1143         (fold_builtin_memset): Likewise.
1144         (fold_builtin_bzero): Likewise.
1145         (fold_builtin_memory_op): Likewise.
1146         (fold_builtin_bcopy): Deleted; call site changed to invoke
1147         fold_builtin_memory_op directly.
1148         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
1149         (fold_builtin_strncpy): Likewise.
1150         (fold_builtin_memcmp): Likewise.
1151         (fold_builtin_strcmp): Likewise.
1152         (fold_builtin_strncmp): Likewise.
1153         (fold_builtin_signbit): Likewise.
1154         (fold_builtin_copysign): Likewise.
1155         (fold_builtin_isascii): Likewise.
1156         (fold_builtin_toascii): Likewise.
1157         (fold_builtin_isdigit): Likewise.
1158         (fold_builtin_fabs): Likewise.
1159         (fold_builtin_abs): Likewise.
1160         (fold_builtin_fmin_fmax): Likewise.
1161         (fold_builtin_carg): Likewise.
1162         (fold_builtin_classify): Likewise.
1163         (fold_builtin_unordered_cmp): Likewise.
1165         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
1166         New functions split out from fold_builtin_1.
1167         (fold_builtin_n): New.
1168         (fold_builtin_varargs): New.
1169         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
1170         instead.
1171         (fold_call_expr): New.
1172         (build_function_call_expr): Rewrite to use new helper function.
1173         (fold_builtin_call_list): New.
1174         (build_call_expr): New.
1175         (fold_builtin_call_valist): New.
1176         (rewrite_call_expr): New.
1177         (validate_arg): New.
1178         (validate_arglist): Change parameter to be entire CALL_EXPR instead
1179         of an arglist.  Change return type to bool.  Use new CALL_EXPR
1180         accessors.
1182         (fold_builtin_strstr):  Pass call arguments individually instead
1183         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1184         accessors and constructors.  Return NULL_TREE instead of 0.
1185         (fold_builtin_strchr): Likewise.
1186         (fold_builtin_strrchr): Likewise.
1187         (fold_builtin_strpbrk): Likewise.
1188         (fold_builtin_strcat): Likewise.
1189         (fold_builtin_strncat): Likewise.
1190         (fold_builtin_strspn): Likewise.
1191         (fold_builtin_strcspn): Likewise.
1192         (fold_builtin_fputs): Likewise.
1193         (fold_builtin_next_arg): Likewise.
1194         (fold_builtin_sprintf): Likewise.
1196         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
1197         NULL_RTX instead of 0.
1198         (expand_builtin_memory_chk): Likewise.
1199         (maybe_emit_chk_warning): Likewise.
1200         (maybe_emit_sprintf_chk_warning): Likewise.
1202         (fold_builtin_object_size): Pass call arguments individually instead
1203         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1204         accessors and constructors.  Return NULL_TREE instead of 0.
1205         (fold_builtin_memory_chk): Likewise.
1206         (fold_builtin_stxcpy_chk): Likewise.
1207         (fold_builtin_strncpy_chk): Likewise.
1208         (fold_builtin_strcat_chk): Likewise.
1209         (fold_builtin_strcat_chk): Likewise.
1210         (fold_builtin_strncat_chk): Likewise.
1211         (fold_builtin_sprintf_chk): Likewise.
1212         (fold_builtin_snprintf_chk): Likewise.
1213         (fold_builtin_printf): Likewise.
1214         (fold_builtin_vprintf): Likewise.
1216         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
1217         constructors.
1218         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
1219         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1220         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
1221         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
1222         (fold_unary): Likewise.
1223         (fold_binary): Likewise.
1224         (fold_ternary): Remove CALL_EXPR case, since they are no longer
1225         ternary expressions.
1226         (fold): Add logic for tcc_vl_exp.
1227         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
1228         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1229         (fold_build3_stat): Add assertion to flag broken interface for
1230         constructing CALL_EXPRs.
1231         (fold_build_call_list): New.
1232         (fold_build_call_list_initializer): New.
1233         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
1234         constructors.
1235         (fold_strip_sign_ops): Likewise.
1237 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1238             Brooks Moses  <brooks.moses@codesourcery.com>
1239             Lee Millward  <lee.millward@codesourcery.com>
1241         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
1242         accessors and dump arguments explicitly.
1244         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
1245         TREE_CODE_LENGTH.
1246         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
1247         explicitly.
1248         (print_call_name): Use new CALL_EXPR accessors.
1250         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
1251         CALL_EXPR arguments explicitly instead of as a list.  Use
1252         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1254         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
1255         (vrp_visit_stmt): Likewise.
1257         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
1258         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
1259         TREE_CODE_LENGTH.
1260         (force_move_till_expr): Likewise.
1262         * targhooks.c (default_external_stack_protect_fail): Use
1263         build_call_expr instead of build_function_call_expr.
1264         (default_hidden_stack_protect_fail): Likewise.
1266         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
1267         build the call.
1269         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
1270         and walk arguments explicitly.
1272         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
1273         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1274         (expand_simple_operations): Likewise.
1275         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
1277         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
1278         of TREE_CODE_LENGTH.
1279         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
1281         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
1282         instead of TREE_CODE_LENGTH.
1284         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
1285         (tree_ic_transform): Likewise.
1286         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
1287         parameter instead of arglist.  Fix callers.
1288         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
1289         (tree_stringops_transform): Likewise.
1290         (tree_indirect_call_to_profile): Likewise.
1291         (tree_stringops_values_to_profile): Likewise.
1293         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
1294         (eliminate_tail_call): Likewise.
1296         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
1298         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1299         Use TREE_OPERAND_LENGTH and generalize to handle any number of
1300         operands.
1301         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1303         * omp-low.c (build_omp_barrier): Use build_call_expr.
1304         (lower_rec_input_clauses): Likewise.
1305         (lower_reduction_clauses): Likewise.
1306         (expand_parallel_call): Likewise.
1307         (maybe_catch_exception): Likewise.
1308         (expand_omp_for_generic): Likewise.
1309         (expand_omp_for_static_nochunk): Likewise.
1310         (expand_omp_sections): Likewise.
1311         (lower_omp_single_simple): Likewise.
1312         (lower_omp_single_copy): Likewise.
1313         (lower_omp_master): Likewise.
1314         (lower_omp_ordered): Likewise.
1315         (lower_omp_critical): Likewise.
1317         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1318         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1320         * tree-gimple.c (is_gimple_call_addr): Fix doc.
1321         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1322         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
1324         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1325         and generalize to handle any number of operands.
1326         (chrec_contains_undetermined): Likewise.
1327         (tree_contains_chrecs): Likewise.
1328         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1330         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1332         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
1333         fold_call_expr instead of fold_builtin.
1334         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
1335         match declarations there.
1336         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
1337         updates.
1339         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1340         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1342         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1343         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1345         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1346         accessors.
1348         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1349         (execute_cse_sincos): Use new CALL_EXPR accessors.
1351         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1353         * gimple-low.c (lower_function_body): Use build_call_expr.
1354         (lower_builtin_setjmp): Likewise.
1356         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1357         (set_storage_via_libcall): Likewise.
1358         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
1359         instead of TREE_CODE_LENGTH.
1360         (expand_expr_real_1): Use new CALL_EXPR accessors.
1362         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1363         generalize to handle any number of operands.
1364         (TB_parent_eq): Likewise.
1366         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1367         (strip_builtin_expect): Likewise.
1369         * function.c (gimplify_parameters): Use build_call_expr.
1371         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1372         instead of TREE_CODE_LENGTH.
1374         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1375         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1377         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1378         iterators.
1380         * gimplify.c (build_stack_save_restore): Use build_call_expr.
1381         (gimplify_decl_expr): Likewise.
1382         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1383         Use new CALL_EXPR iterators.
1384         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1385         (gimplify_modify_expr_to_memset): Likewise.
1386         (gimplify_variable_sized_compare): Likewise.
1387         (gimplify_omp_atomic_fetch_op): Likewise.
1388         (gimplify_omp_atomic_pipeline): Likewise.
1389         (gimplify_omp_atomic_mutex): Likewise.
1390         (gimplify_function_tree): Likewise.
1392         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1393         (call_expr_flags): Likewise.
1394         (expand_call): Likewise.
1396         * except.c (expand_builtin_eh_return_data_regno): Pass entire
1397         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1398         accessors.
1400         * coverage.c (create_coverage): Use build_call_expr.
1402         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1403         (temp_call_expr_obstack): New.
1404         (pool_copy_list): Delete.
1405         (temp_copy_call_expr): New.
1406         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
1407         CALL_EXPR accessors.  Get rid of special goo for copying argument
1408         lists and use temp_copy_call_expr instead.
1409         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
1410         CALL_EXPR accessors.
1411         (create_expression_by_pieces): Likewise.  Use build_call_array
1412         to construct the result instead of fold_build3.
1413         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
1414         dealing with argument lists.
1415         (init_pre): Remove references to expression_node_pool and
1416         list_node_pool.  Init temp_call_expr_obstack instead.
1417         (fini_pre): Remove references to expression_node_pool and
1418         list_node_pool.
1420         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1421         and walk arguments explicitly instead of as a list.
1423         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1424         (mx_register_decls): Likewise.
1425         (mudflap_register_call): Likewise.
1426         (mudflap_finish_file): Likewise.
1428         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1429         (ipa_callsite_compute_param): Likewise.
1431         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1432         accessors and constructor.
1434         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1435         accessors and constructor.
1436         (convert_tramp_reference): Likewise.
1437         (convert_call_expr): Likewise.
1438         (finalize_nesting_tree_1): Likewise.
1440         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1441         accessors.
1443         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1445         * tree-inline.c (initialize_inlined_parameters): Pass entire
1446         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1447         accessors.
1448         (estimate_num_insns_1): Use new CALL_EXPR accessors.
1449         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1451         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
1452         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1453         (vectorizable_reduction): Likewise.
1454         (vectorizable_call): Use new CALL_EXPR iterators.
1455         (vectorizable_conversion): Use build_call_expr.
1456         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1457         (vect_gen_widened_results_half): Use build_call_expr.
1458         (vect_setup_realignment): Likewise.
1459         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1461         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1462         (pass_through_call): Likewise.
1463         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
1464         fold_builtin.
1466         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1467         (tree_gen_pow2_profiler): Likewise.
1468         (tree_gen_one_value_profiler): Likewise.
1469         (tree_gen_ic_func_profiler): Likewise.
1470         (tree_gen_average_profiler): Likewise.
1471         (tree_gen_ior_profiler): Likewise.
1473         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1474         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1475         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1477         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1478         of TREE_CODE_LENGTH.
1480         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1481         of TREE_CODE_LENGTH.
1483         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1484         constructor.
1485         (convert_to_integer): Likewise.
1487         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1488         accessors.
1490 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1491             Brooks Moses  <brooks.moses@codesourcery.com>
1492             Lee Millward  <lee.millward@codesourcery.com>
1494         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1495         accessors.
1496         * config/frv/frv.c (frv_expand_builtin): Likewise.
1497         * config/s390/s390.c (s390_expand_builtin): Likewise.
1499         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1500         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1502         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1503         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1504         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1505         (ix86_expand_store_builtin): Likewise.
1506         (ix86_expand_unop_builtin): Likewise.
1507         (ix86_expand_unop1_builtin): Likewise.
1508         (ix86_expand_sse_compare): Likewise.
1509         (ix86_expand_sse_comi): Likewise.
1510         (ix86_expand_vec_init_builtin): Likewise.
1511         (ix86_expand_vec_ext_builtin): Likewise.
1512         (ix86_expand_vec_set_builtin): Likewise.
1513         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1515         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1516         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1518         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1519         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1520         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1522         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1523         build_call_expr.
1524         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1525         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1526         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1527         (altivec_expand_abs_builtin): Likewise.
1528         (rs6000_expand_binop_builtin): Likewise.
1529         (altivec_expand_predicate_builtin): Likewise.
1530         (altivec_expand_lv_builtin): Likewise.
1531         (spe_expand_stv_builtin): Likewise.
1532         (altivec_expand_stv_builtin): Likewise.
1533         (rs6000_expand_ternop_builtin): Likewise.
1534         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1535         (altivec_expand_st_builtin): Likewise.
1536         (altivec_expand_dst_builtin): Likewise.
1537         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1538         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1539         (altivec_expand_vec_set_builtin): Likewise.
1540         (altivec_expand_vec_ext_builtin): Likewise.
1541         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1542         (spe_expand_builtin): Likewise.
1543         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1544         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1545         (spe_expand_evsel_builtin): Likewise.
1546         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1547         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1549         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1550         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1551         (arm_expand_unop_builtin): Likewise.
1552         (arm_expand_builtin): Use new CALL_EXPR accessors.
1554         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1555         accessors.
1557         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1558         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1559         (bfin_expand_unop_builtin): Likewise.
1560         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1562 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1563             Brooks Moses  <brooks.moses@codesourcery.com>
1564             Lee Millward  <lee.millward@codesourcery.com>
1566         * c-semantics.c (build_stmt): Add internal diagnostic check.
1568         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1569         accessors.  Print arguments explicitly instead of as a list.
1571         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1573         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1574         (c_finish_omp_flish): Likewise.
1576         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1577         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1578         instead of TREE_CODE_LENGTH.
1579         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1580         (c_warn_unused_result): Likewise.
1582 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1584         PR c/26494
1585         * doc/invoke.texi (Warning Options): Remove
1586         -Werror-implicit-function-declaration.
1587         (Wimplicit-function-declaration): Update description.
1588         * opts.c (common_handle_option): Move handling of -Werror=* to...
1589         (enable_warning_as_error): ...here.
1590         * opts.h (enable_warning_as_error): Declare.
1591         * c-decl.c (implicit_decl_warning): Unless
1592         -Wno-implicit-function-declaration is given, emit a pedwarn if
1593         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1594         * c.opt (Wimplicit-function-declaration): Replace
1595         mesg_implicit_function_declaration with
1596         warn_implicit_function_declaration.
1597         * c-opts.c (c_common_handle_option):
1598         -Werror-implicit-function-declaration is exactly equal as
1599         -Werror=implicit-function-declaration.
1600         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1601         warn_implicit_function_declaration.
1602         (c_common_post_options): -Wimplict-function-declaration is enabled
1603         by default by -std=c99, otherwise is disabled by default.
1604         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1606 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1608         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1609         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1610         former is ignored but not the latter.
1612 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1614         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1615         is made and the reference doesn't use the alias set of its type,
1616         do not create the temporary using that type.
1618 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1620         * jump.c: Remove prototypes for delete_computation and
1621         delete_prior_computation.
1623 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1625         * jump.c (get_label_after): Delete.
1626         (get_label_before, delete_computation, delete_jump,
1627         delete_prior_computation, follow_jumps): Move...
1628         * reorg.c (delete_computation, delete_prior_computation): ... here...
1629         (get_label_before, delete_jump): ... making these static ...
1630         (follow_jumps): ... and simplifying this since it only runs after
1631         reload.
1632         * rtl.h (get_label_after, get_label_before, delete_jump,
1633         follow_jumps): Delete prototypes.
1635 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1637         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1639 2007-02-15  Nick Clifton  <nickc@redhat.com>
1641         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1642         order to prevent it from being munged by the target.
1644 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1646         * config/i386/i386.md: Remove misleading comment.
1648 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1650         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1651         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1652         invalid patterns.
1654 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1656         * tree-sra.c (instantiate_missing_elements): Canonicalize
1657         bit-field types.
1658         (sra_build_assignment): New.
1659         (generate_copy_inout, generate_element_copy,
1660         generate_element_zero, generate_one_element_init): Use it.
1662 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1664         * tree-sra.c (instantiate_missing_elements): Canonicalize
1665         bit-field types.
1666         (sra_build_assignment): New.
1667         (generate_copy_inout, generate_element_copy,
1668         generate_element_zero, generate_one_element_init): Use it.
1670 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1672         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1673         limbo die nodes.
1675 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1677         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1678         types as aggregates not scalars.
1679         * function.c (assign_stack_temp_for_type): Likewise.
1681 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1682             Zdenek Dvorak  <dvorakz@suse.cz>
1684         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1685         name.
1687 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1689         * passes.c (next_pass_1): Clear the next field of the copied
1690         pass structure.
1692 2007-02-14  Richard Henderson  <rth@redhat.com>
1694         * tree-sra.c (early_sra): New.
1695         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1696         (tree_sra_early, pass_sra_early): New.
1697         * tree-pass.h (pass_sra_early): Declare.
1698         * passes.c (init_optimization_passes): Use it.
1700 2007-02-14  Richard Guenther  <rguenther@suse.de>
1702         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1704 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1706          PR tree-optimization/30771
1707         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1708         also phi nodes.
1709         (vect_analyze_operations): Induction phis can now be marked as
1710         used_in_loop.
1711         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1712         Update documentation accordingly.
1714 2007-02-14  Nick Clifton  <nickc@redhat.com>
1716         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1717         most 3 arguments are supported.
1718         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1720 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1722         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1723         Ensure dst->current is valid.
1725 2007-02-13  Paul Brook  <paul@codesourcery.com>
1727         * config.gcc: Add arm*-*-uclinux-*eabi.
1728         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1729         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1730         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1731         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1732         (LINK_SPEC): Define.
1733         (LIB_SPEC): Define.
1734         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1735         register.
1736         * config/arm/uclinux-eabi.h: New file.
1737         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1738         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1739         based targets.
1741 2007-02-13  Ian Lance Taylor  <iant@google.com>
1743         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1744         * flags.h (warn_strict_overflow): Declare.
1745         (enum warn_strict_overflow_code): Define.
1746         (issue_strict_overflow_warning): New static inline function.
1747         * opts.c (warn_strict_overflow): New variable.
1748         (common_handle_option): Handle OPT_Wstrict_overflow and
1749         OPT_Wstrict_overflow_.
1750         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1751         OPT_Wall.
1752         * fold-const.c: Include intl.h.
1753         (fold_deferring_overflow_warnings): New static variable.
1754         (fold_deferred_overflow_warning): New static variable.
1755         (fold_deferred_overflow_code): New static variable.
1756         (fold_defer_overflow_warnings): New function.
1757         (fold_undefer_overflow_warnings): New function.
1758         (fold_undefer_and_ignore_overflow_warnings): New function.
1759         (fold_deferring_overflow_warnings_p): New function.
1760         (fold_overflow_warning): New static function.
1761         (make_range): Add strict_overflow_p parameter.  Change all
1762         callers.
1763         (extract_muldiv, extract_muldiv_1): Likewise.
1764         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1765         tree_expr_nonnegative_p.
1766         (fold_negate_expr): Call fold_overflow_warning.
1767         (fold_range_test): Likewise.
1768         (fold_comparison): Likewise.
1769         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1770         instead of tree_expr_nonnegative_p.
1771         (tree_expr_nonnegative_warnv_p): Rename from
1772         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1773         (tree_expr_nonnegative_p): New function.
1774         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1775         strict_overflow_p parameter.
1776         (tree_expr_nonzero_p): New function.
1777         * passes.c (verify_interpass_invariants): New static function.
1778         (execute_one_pass): Call it.
1779         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1780         warnings.
1781         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1782         (estimate_numbers_of_iterations): Likewise.
1783         (scev_probably_wraps_p): Likewise.
1784         * tree-ssa-ccp.c: Include "toplev.h".
1785         (evaluate_stmt): Defer fold overflow warnings until we know we are
1786         going to optimize.
1787         (struct fold_stmt_r_data): Add stmt field.
1788         (fold_stmt_r): Defer fold overflow warnings until we know we
1789         optimized.
1790         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1791         (fold_stmt_inplace): Likewise.
1792         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1793         (cleanup_control_expr_graph): Defer fold overflow warnings until
1794         we know we are going to optimize.
1795         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1796         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1797         Likewise.
1798         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1799         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1800         * tree-ssa-loop-manip.c (create_iv): Likewise.
1801         * c-typeck.c (build_conditional_expr): Likewise.
1802         (build_binary_op): Likewise.
1803         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1804         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1805         (extract_range_from_unary_expr): Likewise.
1806         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1807         assuming that signed overflow does not occur.
1808         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1809         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1810         (fold_defer_overflow_warnings): Declare.
1811         (fold_undefer_overflow_warnings): Declare.
1812         (fold_undefer_and_ignore_overflow_warnings): Declare.
1813         (fold_deferring_overflow_warnings_p): Declare.
1814         (tree_expr_nonzero_warnv_p): Declare.
1815         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1816         of warning options.
1817         (Warning Options): Document -Wstrict-overflow.
1818         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1819         (tree-ssa-ccp.o): Likewise.
1820         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1821         (fold-const.o): Depend on intl.h.
1823 2007-02-13  Ian Lance Taylor  <iant@google.com>
1825         PR middle-end/30751
1826         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1827         addresses.
1829 2007-02-13  Stuart Hastings  <stuart@apple.com>
1831         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1833 2007-02-13  Richard Henderson  <rth@redhat.com>
1835         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1836         handled_component_p before looking for the indirect_ref.
1838 2007-02-13  Richard Henderson  <rth@redhat.com>
1840         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1841         remove flags clobber.
1842         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1843         (bswaphi_lowpart): New.
1844         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1845         remove TARGET_BSWAP test.  Delete expander of the same name.
1847         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1848         (expand_unop): Use them.
1850 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1852         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1853         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1854         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1855         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1856         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1857         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1858         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1859         assembler dialect choice from asm templates.
1861 2007-02-12  Richard Henderson  <rth@redhat.com>
1863         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1864         (fixuns_trunc<SSEMODEF>si2): Use it.
1865         * config/i386/sse.md (vec_setv4sf_0): Export.
1866         * config/i386/i386.c (ix86_build_const_vector): Export.
1867         (ix86_split_convert_uns_si_sse): Rename from
1868         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1869         * config/i386/i386-protos.h: Update.
1871 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1873         PR c/29521
1874         * c-typeck.c (c_finish_return): Improve warning message.
1876 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1878         * alias.c (find_symbolic_term): Delete unused function.
1880 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1882         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1883         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1884         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1886 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1888         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1889         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1890         the function, temporarily point the debug interface to the null one.
1892 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1894         * dwarf2out.c (round_up_to_align): New static function.
1895         (field_byte_offset): Use it to round the offset.
1897 2007-02-12  Richard Henderson  <rth@redhat.com>
1899         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1900         (inswl_const): Export.
1902 2007-02-12  Richard Henderson  <rth@redhat.com>
1904         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1905         result mode of the libcall, convert back to outmode.
1907 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1909         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1910         (bswapdi2): New define_expand to implement 32-bit implementation.
1912 2007-02-12  Nick Clifton  <nickc@redhat.com>
1914         * doc/invoke.texi (Overall Options): Document --help=.
1915         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1916         (cc1_options): Pass --help= on to cc1.
1917         (display_help): Add description of --help=.
1918         (process_command): Add code to handle --help=.  Allow translated
1919         --help and --target-help switches to be passed on to compiler
1920         sub-process.
1921         (main): Remove unused if statement.
1922         * opts.c (columns): Remove.
1923         (LEFT_COLUMN): Define.
1924         (wrap_help): Add columns argument.
1925         (print_filtered_help): Change parameters to be an include bitmask,
1926         an exclude bitmask, an any bitmask and the column width.  Move the
1927         code to display the params list here.  Add code to display the
1928         status of options rather than their descriptions if the quiet flag
1929         is not active.
1930         (print_specific_help): Change parameters to be an include bitmask,
1931         an exclude bitmask and an any bitmask.  Move code to look up the
1932         column width here.  Decide upon the title for an options listing.
1933         (common_handle_options): Add code to handle --help=.  Adapt code
1934         for --help and --target-help to use the revised form of the
1935         print_specific_help function.
1936         (print_help): Delete.
1937         (print_param_help): Delete.
1938         (print_switch): Delete.
1939         * opts.h (cl_lang_count): Add prototype.
1940         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1941         CL_MAX_OPTION_CLASS): New defines.
1942         * optc-gen.awk: Add construction of cl_lang_count.
1943         * c.opt: Add Warning attribute to warning options and Optimization
1944         attribute to optimization options.
1945         * common.opt: Likewise.
1946         Add --help=.
1947         Add -fhelp and -ftarget-help as aliases for the transformed --help
1948         and --target-help options.
1949         * opt-functions.awk: Add code to handle Warning and Optimization
1950         attributes.
1952 2007-02-12  Richard Henderson  <rth@redhat.com>
1954         * config/alpha/constraints.md: New file.
1955         * config/alpha/alpha.c: Include tm-constrs.h.
1956         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1957         alpha_extra_constraint): Remove.
1958         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1959         * config/alpha/alpha-protos.h: Update.
1960         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1961         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1962         (EXTRA_CONSTRAINT): Remove.
1963         * config/alpha/alpha.md: Include constraints.md.
1964         (adddi splitter): Use satisfies_constraint_*.
1965         * config/alpha/predicates.md (add_operand): Likewise.
1966         (sext_add_operand, addition_operation): Likewise.
1968 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1970         PR tree-optimization/29145
1971         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1972         in our handling of restrict qualified pointers.
1974 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1976         PR middle-end/7651
1977         * doc/invoke.texi (Wunused-value): Update description.
1978         (Wextra): Delete item.
1979         * opts.c (set_Wextra): Don't use the value of Wextra to set the
1980         value of Wunused-value.
1981         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1982         (c_finish_stmt_expr): Don't check extra_warnings.
1983         (emit_side_effect_warnings): The caller is responsible to check
1984         warn_unused_value.
1986 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1987             Matt Thomas  <matt@3am-software.com>
1989         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1991 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1993         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1994         comparisons of POPCOUNT against zero.
1995         (simplify_const_relational_operation): Likewise.
1997 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1999         * doc/invoke.texi (Wextra): Delete outdated paragraph.
2001 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2003         * dwarf2out.c (root_type): Delete unused function.
2005 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2007         * genattrtab.c (contained_in_p): Delete unused function.
2008         (write_expr_attr_cache): Likewise.
2010 2007-02-11  Jan Hubicka  <jh@suse.cz>
2012         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
2013         previous patch.
2015 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
2017         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
2018         to add the REG_EQ* note.
2019         * see.c (see_merge_one_use_extension): Likewise.
2020         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
2021         turn REG_EQUAL notes into REG_EQUIV notes if the target
2022         register may have more than one set.
2023         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
2024         * gcse.c (try_replace_reg): Likewise.
2025         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
2026         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
2027         more than one REG_EQUIV note.
2028         * reload1.c (gen_reload): Use set_unique_reg_note.
2030 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
2032         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
2033         (ix86_builtin_conversion): New function.
2035 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
2037         PR target/29487
2038         * tree.h (DECL_REPLACEABLE_P): New macro.
2039         * except.c (set_nothrow_function_flags): Likewise.
2041 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
2042             Ira Rosen  <irar@il.ibm.com>
2043             Dorit Nuzman  <dorit@il.ibm.com>
2045         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
2046         * targhooks.c (default_builtin_vectorized_conversion): New.
2047         * targhooks.h (default_builtin_vectorized_function): New declaration.
2048         * target.h (struct vectorize): Add builtin_conversion field.
2049         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
2050         stmt_vec_info_type value.
2051         (vectorizable_conversion): New declaration.
2052         * tree-vect-analyze.c (vect_analyze_operations): Add
2053         vectorizable_conversion call.
2054         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
2055         * tree-vect-transform.c (vectorizable_conversion): New function.
2056         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
2057         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2058         mode.
2059         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
2060         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
2061         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
2062         or ALTIVEC_BUILTIN_VCFSX.
2064 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2066         PR target/30634
2067         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
2068         CONST_DOUBLE and operand 0 is a hard register.
2069         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
2070         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
2071         is a hard floating-point register.
2073 2007-02-10  Richard Henderson  <rth@redhat.com>
2074             Jakub Jelinek  <jakub@redhat.com>
2075             Alexandre Oliva  <aoliva@redhat.com>
2077         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
2078         * builtin-types.def (BT_WORD): Make unsigned.
2079         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2080         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2081         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2082         * c-decl.c (grokdeclarator): Don't error if !have_tls.
2083         * c-parser.c (c_parser_omp_threadprivate): Likewise.
2084         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2085         emulated tls.
2086         * expr.c (emutls_var_address): New.
2087         (expand_expr_real_1): Expand emulated tls.
2088         (expand_expr_addr_expr_1): Likewise.
2089         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2090         * output.h (emutls_finish): Declare.
2091         * toplev.c (compile_file): Call it.
2092         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2093         address before wrapping in CONST.
2094         * varasm.c (emutls_htab, emutls_object_type): New.
2095         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2096         (get_emutls_object_name, get_emutls_object_type): New.
2097         (get_emutls_init_templ_addr, emutls_decl): New.
2098         (emutls_common_1, emutls_finish): New.
2099         (assemble_variable): When emulating tls, swap decls; generate
2100         constructor for the emutls objects.
2101         (do_assemble_alias): When emulating tls, swap decl and target name.
2102         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2103         for emulated tls.
2104         * varpool.c (decide_is_variable_needed): Look at force_output.
2105         Recurse for emulated tls.
2106         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
2107         with decide_is_variable_needed.
2108         * emutls.c: New file.
2109         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2110         tls_object for real tls.
2112 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2114         PR rtl-optimization/29599
2115         * reload1.c (eliminate_regs_in_insn): Take the destination
2116         mode into account when computing the offset.
2118 2007-02-09  Stuart Hastings  <stuart@apple.com>
2119             Richard Henderson  <rth@redhat.com>
2121         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2122         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2123         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
2124         fixuns_truncdfhi2): New.
2125         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
2126         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
2127         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
2128         (floatunssidf2): Allow nonimmediate source.
2129         * gcc/config/i386/sse.md (movdi_to_sse): New.
2130         (vec_concatv2di): Drop '*'.
2131         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
2132         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2133         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
2134         New.
2135         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
2136         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2137         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
2138         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
2139         (ix86_build_signbit_mask): Fix decl of v, refactor to call
2140         ix86_build_const_vector.
2141         (x86_emit_floatuns): Rewrite.
2143 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2145         * genautomata.c (longest_path_length): Delete unused function.
2146         (struct state): Delete unused longest_path_length.
2147         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
2148         (get_free_state): Delete unused.
2150 2007-02-09  Jan Hubicka  <jh@suse.cz>
2152         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
2153         * doc/invoke.texi (inline-unit-growth): Update default value.
2155         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
2156         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
2157         (rebuild_cgraph_edges): Likewise.
2158         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
2159         (dump_cgraph_node): Dump frequencies.
2160         (cgraph_clone_edge): Add frequency scales.
2161         (cgraph_clone_node): Add freuqnecy.
2162         * cgraph.h (cgraph_edge): Add freuqnecy argument.
2163         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
2164         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
2165         * tree-pass.h (TODO_rebuild_frequencies): New constant.
2166         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
2167         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
2168         (save_inline_function_body): Likewise.
2169         * ipa-inline.c: inluce rtl.h
2170         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
2171         (cgraph_edge_badness): Use frequencies.
2172         (cgraph_decide_recursive_inlining): Update clonning.
2173         (cgraph_decide_inlining_of_small_function): Dump frequency.
2174         * predict.c (estimate_bb_frequencies): Export.
2175         * predict.h (estimate_bb_frequencies): Declare.
2176         * tree-inline.c (copy_bb): Watch overflows.
2177         (expand_call_inline): Update call of cgraph_create_edge.
2178         (optimize_inline_calls): Use TODO flags to update frequnecies.
2179         * passes.h: Include predict.h
2180         (init_optimization_passes): Move profile ahead.
2181         (execute_function_todo): Handle TODO_rebuild_frequencies.
2183 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2185         * config/alpha/alpha.c (emit_insxl): Force the first operand of
2186         the insbl or inswl pattern into a register.
2188 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2190         * config/ia64/ia64.md (bswapdi2): New define_insn.
2192 2007-02-09  Richard Henderson  <rth@redhat.com>
2194         * config/i386/constraints.md (Ym): New constraint.
2195         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
2196         (movdi_1_rex64): Split sse and xmm general register moves from
2197         memory move alternatives.  Use conditional register constraints.
2198         (movsf_1, movdf_integer): Likewise.
2199         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
2200         (movdf_integer_rex64): New.
2201         (pushsf_rex64): Fix output constraints.
2202         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
2203         (sse2_stored): Likewise.
2204         (sse2_storeq_rex64): New.
2205         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
2206         amd and not generic.
2207         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
2208         for optimize_size.  Remove SF/DFmode hack.
2210 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2212         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
2213         (bit_SSE4a): New.
2215 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
2216             Richard Sandiford  <richard@codesourcery.com>
2218         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
2219         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
2220         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
2221         m68k/t-mlib to tmake_file.
2222         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
2223         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
2224         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
2225         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
2226         variable is not empty, add t-$m68k_arch_family to tmake_file.
2227         Add t-mlibs to tmake_file.
2228         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
2229         * config/m68k/t-cf: New file.
2230         * config/m68k/t-m68k: Likewise.
2231         * config/m68k/t-mlibs: Likewise.
2232         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2233         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2234         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2235         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2236         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
2237         Delete.
2238         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
2239         (INSTALL_LIBGCC): Delete.
2240         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2241         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2242         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2243         (M68K_MLIB_CPU): Define.
2244         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2245         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2246         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
2248 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2249             Richard Guenther  <rguenther@suse.de>
2251         PR middle-end/23361
2252         * fold-const.c (fold_comparison): Handle obfuscated comparisons
2253         against INT_MIN/INT_MAX.
2254         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
2255         file if a loop is removed.
2257 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
2259         * calls.c (store_one_arg): Pass correct alignment to
2260         emit_push_insn for non-BLKmode values.
2261         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
2262         unaligned stack slot via a suitably aligned slot.
2264 2007-02-08  DJ Delorie  <dj@redhat.com>
2266         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
2267         warnings.
2268         (legal_subregs): Use unsigned char, make const.
2269         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
2271 2007-02-08  Paul Brook  <paul@codesourcery.com>
2273         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
2274         special interworking needed.
2276 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
2278         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
2279         conditional to __SSE2__.
2280         (Entries below should have been added to first ChangeLog
2281         entry for amdfam10 dated 2007-02-05)
2282         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
2283         defined.
2284         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
2285         defined.
2286         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
2287         defined.
2289 2007-02-08  DJ Delorie  <dj@redhat.com>
2291         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
2292         * config/m32c/m32c.c (legal_subregs): New.
2293         (m32c_illegal_subreg_p): New.
2294         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2295         unsupported subregs of hard regs.
2297 2007-02-08  Jan Hubicka  <jh@suse.cz>
2299         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2300         the same one; always update histograms.
2302 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2304         * passes.c (init_optimization_passes): Tidy comment.
2306 2007-02-08  Roger Sayle  <roger@eyesopen.com>
2308         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2309         strip zero_extend, bswap and rotates from POCOUNT's argument.
2310         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2311         zero_extend and rotates from PARITY's argument.
2312         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2313         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2314         of an integer constant at compile-time.
2316 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2318         PR 30562
2319         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2320         Update all users.
2321         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
2322         users.
2323         (init_alias_info):
2324         * tree-ssa-live.c (remove_unused_locals): Do not remove
2325         TREE_ADDRESSABLE variables.
2326         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2327         * tree-ssa-operands.c (add_virtual_operand): Remove argument
2328         FOR_CLOBBER.  Update all users.
2329         If VAR has an associated alias set, add a virtual operand for
2330         it if no alias is found to conflict with the memory reference.
2332 2007-02-07  Jan Hubicka  <jh@suse.cz>
2333             Robert Kidd <rkidd@crhc.uiuc.edu>
2335         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2337 2007-02-07  Ian Lance Taylor  <iant@google.com>
2339         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2341 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2343         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2344         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2345         tablejumpdi, movsi_to_cr_one): Remove constraints from
2346         define_expand's match_operands.
2348 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2350         * global.c (compute_regsets): Move declatation of "i" inside of
2351         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2353 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2355         PR c++/30703
2356         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2357         of INDIRECT_REF <RESULT_DECL>.
2359         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2361 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
2362             Kaz Kojima  <kkojima@gcc.gnu.org>
2364         PR target/29746
2365         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2366         properly.
2367         (sh_initialize_trampoline): Add parentheses to avoid a warning.
2369 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2371         * doc/loop.texi: Document possibility not to perform disambiguation
2372         of loops with multiple latches.
2373         * cfgloopmanip.c (alp_enum_p): Removed.
2374         (add_loop): Handle subloops.  Use get_loop_body_with_size.
2375         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2376         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2377         the new forwarder block.
2378         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2379         Handle the case latch is NULL.
2380         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2381         when marking loop exits.
2382         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
2383         be modified.
2384         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
2385         disambiguate_loops_with_multiple_latches.
2386         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2387         before fix_loop_structure.
2388         * cfgloop.c: Include pointer-set.h and output.h.
2389         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2390         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2391         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2392         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2393         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2394         disambiguate_multiple_latches, get_loop_body_with_size,
2395         disambiguate_loops_with_multiple_latches): New functions.
2396         (flow_loop_dump): Dump multiple latch edges.
2397         (flow_loop_nodes_find): Handle loops with multiple latches.
2398         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2399         (glb_enum_p): Modified.
2400         (get_loop_body): Use get_loop_body_with_size.
2401         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2402         (AVOID_CFG_MODIFICATIONS): New constant.
2403         (disambiguate_loops_with_multiple_latches, add_loop,
2404         get_loop_body_with_size): Declare.
2405         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2407 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
2409         PR inline-asm/28686
2410         * global.c (compute_regsets): New function.
2411         (global_alloc): Refactored ELIMINABLE_REGSET
2412         and NO_GLOBAL_ALLOC_REGS computation out.
2413         (rest_of_handle_global_alloc): Call compute_regsets()
2414         for non-optimizing case.
2416 2007-02-06  Richard Henderson  <rth@redhat.com>
2418         * config/i386/constraints.md (Y2): Rename from Y.
2419         (Yi): New constraint.
2420         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2421         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2422         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2423         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2424         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2425         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2426         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2427         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2428         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2429         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2430         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2431         vec_extractv2si_1): Change Y constraints to Y2.
2432         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2433         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2434         Change Y constraints to Y2.
2435         (sse2_loadld): Change Y constraints to x.
2437 2007-02-06  Roger Sayle  <roger@eyesopen.com>
2439         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2440         (parity<mode>2): New define_expand using rs6000_emit_parity.
2441         * config/rs6000/rs6000.c (rs6000_emit_popcount,
2442         rs6000_emit_parity): New functions.
2443         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2444         rs6000_emit_parity): Prototype here.
2446 2007-02-06  Ian Lance Taylor  <iant@google.com>
2448         * lower-subreg.c (simple_move_operand): Reject CONST.
2449         (resolve_clobber): Call validate_change rather than directly
2450         assigning to XEXP (pat, 0).
2452 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2454         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2455         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2456         (tree-cfg.o): Remove hashtab.h dependency.
2458         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2459         (struct ivopts_data): Change niters to pointer_map_t.
2460         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2461         (niter_for_exit): Create pointer_map on demand.  Change for
2462         pointer_map API.
2463         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2464         (free_loop_data): Destroy data->niters if created and reset field.
2465         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2466         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2468         * tree-ssa-reassoc.c: Include pointer-set.h.
2469         (bb_rank): Change to long *.
2470         (operand_rank): Change to pointer_map_t.
2471         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2472         (insert_operand_rank): Accept long.
2473         (operand_entry_hash, operand_entry_eq): Remove.
2474         (get_rank): Return long.  Adjust for changes above.
2475         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2476         and operand_rank.
2477         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2479         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2480         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2481         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2482         is not NULL.
2483         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2484         directly since it cannot be NULL.
2485         (get_vi_for_tree): Rewrite for pointer_map API.
2486         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2487         (init_alias_vars): Create vi_for_tree as pointer_map.
2488         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2490         * tree-cfg.c: Don't include hashtab.h.
2491         (edge_to_cases): Declare as pointer_map.
2492         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2493         Delete.
2494         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2495         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2496         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2497         destroying it.
2498         (record_switch_edge): Delete.
2499         (get_cases_for_edge): Adjust for pointer_map API, inline
2500         record_switch_edge (rewritten for new API), remove goto.
2502 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2504         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2505         * tree-nested.c: Include pointer-set.h.
2506         (var_map_elt, var_map_eq, var_map_hash): Delete.
2507         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2508         to pointer_map_t's.
2509         (nesting_info_bitmap_obstack): New.
2510         (lookup_field_for_decl): Adjust for pointer_map API.
2511         (lookup_tramp_for_decl): Adjust for pointer_map API.
2512         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2513         (get_local_debug_decl): Adjust for pointer_map API.
2514         (convert_nl_goto_reference): Adjust for pointer_map API.
2515         (convert_nl_goto_receiver): Adjust for pointer_map API.
2516         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2517         the new obstack.  Create field_map and var_map as pointer_maps.
2518         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2519         (root): Delete.
2520         (lower_nested_functions): Move root here, no need to NULL it.
2521         Initialize and release the obstack.
2523 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2525         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2526         Remove prototypes and make them non-static.
2527         (struct tree_int_map): Remove.
2528         * tree.h (struct tree_int_map): Move here, turning TO into an
2529         unsigned int.
2530         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2532         * tree.h (TREE_COMPLEXITY): Remove.
2533         (struct tree_exp): Remove complexity field.
2534         * tree.c (build1_stat): Don't set it.
2536 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2537             Victor Kaplansky  <victork@il.ibm.com>
2539         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2540         (vect_is_simple_reduction): Support reduction with induction as
2541         one of the operands.
2542         (vect_is_simple_iv_evolution): Fix formatting.
2543         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2544         formatting.  Don't mark induction phis for vectorization.
2545         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2546         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2547         (vect_get_vec_def_for_operand): Support induction.
2548         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2549         induction case.
2550         (vectorizable_reduction): Support reduction with induction as one of
2551         the operands.
2552         (vectorizable_type_demotion): Use def-type of stmt argument rather
2553         than dummy def-type.
2555         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2556         flag_tree_scev_cprop.
2557         * common.opt (tree-scev-cprop): New flag.
2559         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2560         call to vect_get_new_vect_var.
2562 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2564         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2565         vectype is not NULL.
2566         (vect_pattern_recog_1): Likewise.
2568 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2570         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2571         (fold_negate_expr): Likewise.
2573 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2575         PR debug/30189
2576         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2577         even if cv-qualification is the same.
2579 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2581         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2582         __enable_execute_stack on completion.
2584 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2586         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2587         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2588         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2589         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2590         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2591         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2592         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2593         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2595 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2597         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2598         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2599         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2600         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2601         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2602         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2603         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2604         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2605         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2606         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2607         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2608         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2609         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2610         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2611         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2612         sqrtextenddfxf2_i387): Added amdfam10_decode.
2614         * config/i386/athlon.md (athlon_idirect_amdfam10,
2615         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2616         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2617         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2618         athlon_ivector_store_amdfam10): New define_insn_reservation.
2619         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2620         amdfam10.
2622 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2624         * config/i386/athlon.md (athlon_call_amdfam10,
2625         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2626         define_insn_reservation.
2627         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2628         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2629         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2631 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2633         * config/i386/athlon.md (athlon_sseld_amdfam10,
2634         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2635         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2637 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2639         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2640         define_insn_reservation.
2641         * config/i386/i386.md (sseins): Added sseins to define_attr type
2642         and define_attr unit.
2643         * config/i386/sse.md: Set type attribute to sseins for insertq
2644         and insertqi.
2646 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2648         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2649         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2650         ssecomi_load_amdfam10, ssecomi_amdfam10,
2651         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2652         define_insn_reservation.
2653         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2655 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2657         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2658         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2659         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2660         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2661         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2662         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2663         define_insn_reservation.
2665         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2666         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2667         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2668         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2669         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2671 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2673         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2674         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2675         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2676         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2677         athlon_ssemul_load_k8): Added amdfam10.
2679 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2681         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2682         (x86_sse_unaligned_move_optimal): New variable.
2684         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2685         m_AMDFAM10.
2686         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2687         for unaligned vector SSE double/single precision loads for AMDFAM10.
2689 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2691         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2692         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2693         Define TARGET_CPU_DEFAULT_amdfam10.
2694         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2695         (processor_type): Add PROCESSOR_AMDFAM10.
2697         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2698         processor_type in config/i386/i386.h.
2699         Enable imul peepholes for TARGET_AMDFAM10.
2701         * config.gcc: Add support for --with-cpu option for amdfam10.
2703         * config/i386/i386.c (amdfam10_cost): New variable.
2704         (m_AMDFAM10): New macro.
2705         (m_ATHLON_K8_AMDFAM10): New macro.
2706         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2707         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2708         x86_promote_QImode, x86_integer_DFmode_moves,
2709         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2710         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2711         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2712         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2713         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2714         Enable/disable for amdfam10.
2715         (override_options): Add amdfam10_cost to processor_target_table.
2716         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2717         processor_alias_table.
2718         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2719         (ix86_adjust_cost): Add code for amdfam10.
2721 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2723         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2724         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2725         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2726         * config/i386/i386.h: Add builtin definition for SSE4A.
2727         * config/i386/i386.md: Add support for ABM instructions
2728         (popcnt and lzcnt).
2729         * config/i386/sse.md: Add support for SSE4A instructions
2730         (movntss, movntsd, extrq, insertq).
2731         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2732         Add -march=amdfam10 flag.
2733         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2734         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2735         and amdfam10.
2736         * doc/extend.texi: Add documentation for SSE4A builtins.
2738 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2740         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2742 2007-02-05  Richard Guenther  <rguenther@suse.de>
2744         * tree-vectorizer.h (vectorizable_function): Add argument type
2745         argument, change return type.
2746         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2747         * tree-vect-transform.c (vectorizable_function): Handle extra
2748         argument, return vectorized function decl.
2749         (build_vectorized_function_call): Remove.
2750         (vectorizable_call): Handle calls with result and argument types
2751         differing.  Handle loop vectorization factor correctly.
2752         * targhooks.c (default_builtin_vectorized_function): Adjust for
2753         extra argument.
2754         * targhooks.h (default_builtin_vectorized_function): Likewise.
2755         * target.h (builtin_vectorized_function): Add argument type
2756         argument.
2757         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2758         extra argument, allow vectorizing of lrintf.
2759         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2760         documentation of target hook.
2762 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2764         PR target/30665
2765         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2766         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2767         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2769 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2771         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2772         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2773         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2774         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2775         before canonicalizing sincos to cexpi.
2776         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2778 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2780         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2781         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2782         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2784 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2786         * mips-tfile.c (initialize_init_file): Correct endianness test.
2788 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2790         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2791         the 'y' constraint.
2793 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2795         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2796         saves in a PARALLEL before the register assignments.
2798 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2800         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2801         DWARF_FRAME_RETURN_COLUMN to be a general register.
2802         * dwarf2out.c (init_return_column_size): New function, split from...
2803         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2804         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2805         to be nongeneral registers.
2806         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2807         integer registers.
2808         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2809         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2811 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2813         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2815 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2817         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2818         (remove_path): Use can_remove_branch_p and remove_branch instead
2819         of loop_delete_branch_edge.
2820         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2821         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2822         Update profile using scale_dominated_blocks_in_loop.
2823         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2824         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2825         (can_remove_branch_p, remove_branch): Declare.
2826         * tree-cfg.c (tree_can_remove_branch_p): New function.
2827         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2828         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2829         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2831 2007-02-05  Jan Hubicka  <jh@suse.cz>
2833         PR middle-end/30696
2834         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2835         nodes in cgraph, don't remove offline copy of the function.
2837 2007-02-04  Jan Hubicka  <jh@suse.cz>
2839         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2840         vectors might cause maybe_lookup_element_for_expr to be called
2841         on non-sra-candidate.
2843 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2845         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2846         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2847         spelling conventions.
2849 2007-02-04  Richard Guenther  <rguenther@suse.de>
2851         PR middle-end/30636
2852         * fold-const.c (try_move_mult_to_index): Make sure to not
2853         overflow one dimension of a multi-dimensional array access.
2855 2007-02-04  Jan Hubicka  <jh@suse.cz>
2857         * passes.c (init_optimization_passes): Reindent.
2859 2007-02-04  Jan Hubicka  <jh@suse.cz>
2860             Eric Botcazou  <ebotcazou@adacore.com>
2862         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2863         (execute_fixup_cfg): Break out the abnormal goto code.
2864         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2865         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2866         (optimize_inline_calls): Call make_nonlocal_label_edges.
2868 2007-02-04  Jan Hubicka  <jh@suse.cz>
2870         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2871         true when something was changed.
2872         (rename_ssa_copies): When something was changed, do
2873         TODO_remove_unused_locals.
2874         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2875         add TODO_remove_unused_locals when instruction was removed.
2877 2007-02-04  Jan Hubicka  <jh@suse.cz>
2879         * ipa-inline.c (try_inline): Improve debug output; work on already
2880         inline edges too.
2881         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2882         call try_inline for already inlined edges too when flattening;
2883         inline also functions that make callee growth but overall unit size
2884         reduce.
2886 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2888         * config/m32c/bitops.md, config/m32c/jump.md,
2889         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2890         config/m32r/m32r.h, config/m32r/m32r.md,
2891         config/m32r/predicates.md, config/m68hc11/larith.asm,
2892         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2893         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2894         config/mips/mips-protos.h, config/mips/mips.c,
2895         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2896         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2897         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2898         spelling conventions.
2900         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2901         Follow spelling conventions.
2903 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2905         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2906         warn about C++0x compatibility.
2908 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2910         * config/h8300/h8300.c, config/h8300/h8300.h,
2911         config/h8300/h8300.md: Follow spelling conventions.
2913 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2915         PR middle-end/30667
2916         * combine.c (try_combine): Do not substitute source operand
2917         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2919 2007-02-03  Jan Hubicka  <jh@suse.cz>
2921         PR gcov-profile/30650
2922         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2923         do not divide by zero for never executed counters.
2924         (tree_find_values_to_profile): Fix counters.
2925         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2927 2007-02-03  Ian Lance Taylor  <iant@google.com>
2929         * lower-subreg.c (simple_move_operand): New static function,
2930         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2931         operands.
2932         (simple_move): Call simple_move_operand.
2933         (find_decomposable_subregs): Add special handling of MEMs.
2934         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2935         meaning of return value.  If we see a hard register, test whether
2936         it can store a word_mode value.  Change all callers.
2938 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2940         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2941         ftrapv insns and expanders.
2942         (subdi3): Change define_expand operand 1 to arith11_operand, and
2943         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2944         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2945         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2946         respectively.
2948         PR middle-end/30174
2949         * varasm.c (notice_global_symbol): Treat global objects as weak when
2950         flag_shlib is true.
2952 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2954         * emit-rtl.c (dconstpi): Delete.
2955         (dconstsqrt2): New.
2956         (init_emit_once): Delete dconstpi and init dconstsqrt2.
2957         * real.h (dconstpi): Delete.
2958         (dconstsqrt2): New.
2959         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2960         (fold_builtin_hypot): Likewise.
2962 2007-02-03  Tom Tromey  <tromey@redhat.com>
2964         PR driver/30246
2965         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2966         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2968 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2970         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2971         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2972         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2973         config/rs6000/cell.md, config/rs6000/darwin.h,
2974         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2975         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2976         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2977         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2978         typos.  Follow spelling conventions.
2979         * doc/invoke.texi: Follow spelling conventions.
2981 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2983         * simplify-rtx.c (simplify_relational_operation_1): Implement some
2984         canonicalization transformations that attempt to simplify integer
2985         constant comparisons to become comparisons against zero.
2987 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2989         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2990         fabs(x)*sqrt(2).
2991         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
2992         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
2994 2007-02-02  Mike Stump  <mrs@apple.com>
2996         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2997         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2998         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2999         generate a branch island.
3001 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
3003         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
3004         (xtensa_legitimate_address_p): New.
3005         (xtensa_legitimize_address): New.
3006         (xtensa_output_addr_const_extra): New.
3007         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
3008         (BASE_REG_P): New.
3009         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
3010         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
3011         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
3012         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
3013         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
3014         (xtensa_legitimize_address): New.
3015         (xtensa_output_addr_const_extra): New.
3017 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
3019         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
3021 2007-02-02  Ian Lance Taylor  <iant@google.com>
3023         * expmed.c (expand_divmod): Add comment.
3025 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
3027         * emit-rtl.c (renumber_insns): Remove.
3028         * flags.h: Remove the extern for flag_renumber_insns.
3029         * rtl.h: Remove the prototype for renumber_insns.
3030         * toplev.c (flag_renumber_insns): Remove.
3032 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
3034         Revert for x86 darwin:
3035         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
3037         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
3038         code before the following patch under TARGET_MACHO.
3039         (ix86_function_value_regno_p): Likewise.
3041 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3043         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
3044         COMPLEX_EXPR.
3046 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3048         PR target/29682
3049         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
3050         general or fp registers.  Add comments.
3051         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
3053 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
3055         * pointer-set.c (insert_aux): Only return insertion slot.
3056         (pointer_set_insert): Adjust.
3057         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
3058         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
3059         pointer_map_traverse): New.
3060         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
3061         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
3062         pointer_map_contains, pointer_map_traverse): Declare.
3064 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
3066         PR middle-end/30473
3067         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
3068         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
3070 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3072         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
3074         (struct _dep): New type.
3075         (dep_t): New typedef.
3076         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
3077         (DEP_STATUS): New access macro.  The macro with the same name was
3078         renamed to DEP_LINK_STATUS.
3079         (dep_init): Declare function
3081         (struct _dep_link): New type.
3082         (dep_link_t): New typedef.
3083         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
3084         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
3085         (DEP_LINK_STATUS): New macro.
3086         (debug_dep_links): New debug function.
3088         (struct _deps_list): New type.
3089         (deps_list_t): New typedef.
3090         (DEPS_LIST_FIRST): New access macro.
3091         (FOR_EACH_DEP_LINK): New cycle macro.
3092         (create_deps_list, free_deps_list, delete_deps_list): Declare
3093         functions.
3094         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
3095         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
3096         (copy_deps_list_change_con): Ditto.
3098         (move_dep_link): Declare function.
3100         (struct _dep_node): New type.
3101         (dep_node_t): New typedef.
3102         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
3104         (struct haifa_insn_data.back_deps): New field to hold backward
3105         dependencies of the insn.
3106         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
3107         to deps_list_t.
3108         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
3109         Change its type to deps_list_t.
3110         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
3111         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
3112         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
3114         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
3116         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
3118         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
3119         all callers.
3120         (dep_cost): Declare.
3122         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
3123         (ds_to_dk, dk_to_ds): New functions.
3125         (init_dep_1): New static function.
3126         (init_dep): New function.
3127         (copy_dep): New static function.
3129         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
3130         functions.
3131         (detach_dep_link): New static function.
3132         (move_dep_link): New function.
3134         (dep_links_consistent_p, dump_dep_links): New static functions.
3135         (debug_dep_links): New debugging function.
3137         (deps_obstack, dl_obstack, dn_obstack): New static variables.
3139         (alloc_deps_list, init_deps_list): New static functions.
3140         (create_deps_list): New function.
3141         (clear_deps_list): New static function.
3142         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
3143         (deps_list_consistent_p, dump_deps_list): New static functions.
3144         (debug_deps_list): New function.
3145         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
3146         functions.
3147         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
3149         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
3150         use new scheduler dependencies lists.
3151         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
3152         (sched_analyze): Ditto.  Initialize dependencies lists.
3153         (add_forw_dep, compute_forward_dependences): Update to use new
3154         scheduler dependencies lists.
3156         (init_dependency_caches): Init deps_obstack.
3157         (free_dependency_caches): Free deps_obstack.
3159         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
3160         new scheduler dependencies lists.
3161         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
3162         (add_back_forw_dep, delete_back_forw_dep): Ditto.
3164         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
3165         Update to use new scheduler dependencies lists.
3166         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
3167         (debug_dependencies): Ditto.
3168         (schedule_region): Update comments.
3170         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
3171         scheduler dependencies lists.
3172         (schedule_ebb): Update comments.
3174         * rtl.def (DEPS_LIST): Remove.
3176         * lists.c (unused_deps_list): Remove.
3177         (free_list): Update assertions.
3179         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
3180         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3182         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
3183         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3185         * haifa-sched.c (comments): Update.
3186         (insn_cost1): Remove.  Inline the code into insn_cost ().
3187         (insn_cost): Update to use new scheduler dependencies lists.  Move
3188         processing of the dependency cost to dep_cost ().
3189         (dep_cost): New function.  Use it instead of insn_cost () when
3190         evaluating cost of the dependency.  Use compatible interface to
3191         interact with the target.
3192         (priority): Update to use new scheduler dependencies lists.
3193         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
3194         with greater number of insns that depend on the insn.
3195         (schedule_insn): Update to use new scheduler dependencies lists.  Add
3196         code to free backward dependencies lists.  Inline and optimize code
3197         from resolve_dep () - see PR28071.
3198         (ok_for_early_queue_removal): Update to use new scheduler dependencies
3199         lists.  Update call to targetm.sched.is_costly_dependence hook.
3201         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
3202         scheduler dependencies lists.
3204         (resolve_dep): Remove.  Move the logic to schedule_insn ().
3205         (init_h_i_d): Initialize dependencies lists.
3207         (process_insn_depend_be_in_spec): Rename to
3208         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
3209         dependencies lists.
3210         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
3211         Update to use new scheduler dependencies lists.
3212         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
3214         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
3215         new scheduler dependencies lists.
3216         (build_intra_loop_deps): Ditto.
3218         * target.h (struct _dep): Declare to use in
3219         gcc_target.sched.is_costly_dependence.
3220         (struct gcc_target.sched.adjust_cost): Fix typo.
3221         (struct gcc_target.sched.is_costly_dependence): Change signature to use
3222         single dep_t parameter instead of an equivalent triad.
3223         (struct gcc_target.sched.adjust_cost_2): Remove.
3225         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
3227         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
3229         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
3230         documentation.
3231         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
3233         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
3234         (REG_DEP_TRUE): Document.
3236         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
3237         Change signature to correspond to the targetm.sched.adjust_cost hook.
3238         Update use in TARGET_SCHED_ADJUST_COST_2.
3239         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
3240         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
3241         new scheduler dependencies lists.
3242         (ia64_gen_check): Ditto.
3244         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
3245         dependencies lists.
3247         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
3248         signature to correspond to the targetm.sched.is_costly_dependence hook.
3249         (is_costly_group): Update to use new scheduler dependencies lists.
3251         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
3252         instead of INSN_COST () macro.
3254 2007-02-01  Ian Lance Taylor  <iant@google.com>
3256         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
3258 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
3260         * pa.md (tp_load): Correct mfctl instruction syntax.
3262 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
3264         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
3265         altivec_padding_size calculation on AIX.  Improve comment, add
3266         assert to verify that it's right.
3268         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
3269         64-bit.
3271 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
3273         PR inline-asm/28686
3274         * global.c (global_alloc): Add mising initialization of
3275         ELIMINABLE_REGSET.
3277 2007-02-01  Roger Sayle  <roger@eyesopen.com>
3279         * alias.c (init_alias_analysis): Correct whitespace.
3280         * bb-reorder.c (fix_edges_for_rarely_executed_code,
3281         partition_hot_cold_basic_blocks): Likewise.
3282         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3283         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
3284         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3285         fold_builtin_snprintf_chk, fold_builtin_printf,
3286         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
3287         do_mpfr_arg3, do_mpfr_sincos): Likewise.
3288         * cfgcleanup.c (cleanup_cfg): Likewise.
3289         * cfgexpand.c (tree_expand_cfg): Likewise.
3290         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
3291         * function.c (get_next_funcdef_no): Likewise.
3292         * gengtype.c (main): Likewise.
3293         * genmodes.c (main): Likewise.
3294         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3295         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3296         * ifcvt.c (noce_emit_move_insn): Likewise.
3297         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
3298         Likewise.
3299         * stor-layout.c (get_best_mode): Likewise.
3300         * tree-ssa-loop-niter.c (get_val_for): Likewise.
3301         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3302         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3303         perform_var_substitution, solve_graph): Likewise.
3304         * tree-vrp.c (vrp_finalize): Likewise.
3306 2007-02-01  Ian Lance Taylor  <iant@google.com>
3308         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3309         high part of a paradoxical subreg, return a constant zero.
3311 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
3313         * toplev.c (lang_dependent_init): Call init_set_costs.
3314         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3316 2007-02-01  Richard Guenther  <rguenther@suse.de>
3318         PR middle-end/30656
3319         * fold-const.c (fold_negate_expr): Allow negating a
3320         constant if overflow does not change.
3322 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3324         * doc/c-tree.texi (Expression trees): Improve markup.
3325         * doc/tm.texi (Register Classes, Addressing Modes)
3326         (Floating Point): Fix spacing after abbreviations.  Fix some
3327         typos.
3329 2007-02-01  Ben Elliston  <bje@au.ibm.com>
3331         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3332         * doc/contrib.texi: Likewise.
3333         * doc/install.texi: Likewise.
3335 2007-01-31  Richard Henderson  <rth@redhat.com>
3336             Ian Lance Taylor  <iant@google.com>
3338         * lower-subreg.c: New file.
3339         * rtl.def (CONCATN): Define.
3340         * passes.c (init_optimization_passes): Add pass_lower_subreg and
3341         pass_lower_subreg2.
3342         * emit-rtl.c (update_reg_offset): New static function, broken out
3343         of gen_rtx_REG_offset.
3344         (gen_rtx_REG_offset): Call update_reg_offset.
3345         (gen_reg_rtx_offset): New function.
3346         * regclass.c: Revert patch of 2006-03-05, restoring
3347         reg_scan_update.
3348         (clear_reg_info_regno): New function.
3349         * dwarf2out.c (concatn_loc_descriptor): New static function.
3350         (loc_descriptor): Handle CONCATN.
3351         * common.opt (fsplit_wide_types): New option.
3352         * opts.c (decode_options): Set flag_split_wide_types when
3353         optimizing.
3354         * timevar.def (TV_LOWER_SUBREG): Define.
3355         * rtl.h (gen_reg_rtx_offset): Declare.
3356         (reg_scan_update): Declare.
3357         * regs.h (clear_reg_info_regno): Declare.
3358         * tree-pass.h (pass_lower_subreg): Declare.
3359         (pass_lower_subreg2): Declare.
3360         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3361         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
3362         -fsplit-wide-types.
3363         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3364         * Makefile.in (OBJS-common): Add lower-subreg.o.
3365         (lower-subreg.o): New target.
3367 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3369         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3371 2007-01-31  Anatoly Sokolov <aesok@post.ru>
3373         PR target/19087
3374         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3376 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3378         PR middle-end/29335
3379         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3381 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
3383         * cfgloop.h: Include vec-prim.h.
3384         (enum li_flags): Remove LI_ONLY_OLD.
3385         (loop_iterator): Changed.
3386         (fel_next, fel_init): Iterate over loop tree.
3387         (FOR_EACH_LOOP_BREAK): New macro.
3388         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3389         FOR_EACH_LOOP.
3390         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3391         * modulo-sched.c (sms_schedule): Ditto.
3392         * tree-vectorizer.c (vectorize_loops): Ditto.
3393         * doc/loop.texi: Update information on loop numbering and behavior of
3394         FOR_EACH_LOOP wrto new loops.
3395         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3396         add_to_evolution_1): Test nestedness of loops instead of comparing
3397         their numbers.
3398         * tree-chrec.c (chrec_fold_plus_poly_poly,
3399         chrec_fold_multiply_poly_poly, chrec_evaluate,
3400         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3401         reset_evolution_in_loop): Ditto.
3402         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3404 2007-01-31  Dirk Mueller  <dmueller@suse.de>
3406         * c-common.c (warn_about_parentheses): Separate warning about
3407         un-parenthized sequence of comparison operators from the one
3408         which is supposed to warn about x <= y <= z.
3410 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
3412         * optabs.h (enum optab_index): Add new OTI_isinf.
3413         (isinf_optab): Define corresponding macro.
3414         * optabs.c (init_optabs): Initialize isinf_optab.
3415         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3416         patterns.
3417         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3418         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3419         using isinf_optab.
3420         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3421         expand_builtin_interclass_mathfn.
3422         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3423         * config/i386/i386.md (UNSPEC_FXAM): New constant.
3424         (fxam<mode>2_i387): New insn pattern.
3425         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3426         built-in functions as x87 inline asm.
3428 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3430         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3432 2007-01-30  Eric Christopher  <echristo@apple.com>
3434         * config.gcc: Add geode.
3436 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3438         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3439         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3440         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3441         value-prof.c: Fix comment typos.
3443 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3445         PR c++/24745
3446         * doc/invoke.texi (Wpointer-arith): Document warning.
3448 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
3450         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3451         the list of discrepancies from the draft TR.
3453 2007-01-30  Dirk Mueller  <dmueller@suse.de>
3455         PR c++/30601
3456         * doc/invoke.texi (-Wreturn-type): Update description to
3457         match new behavior.
3459 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
3461         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3463 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
3465         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3466         to handle optabs that operate on floating point input argument and
3467         output to integer output.
3468         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3469         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3470         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3471         expand_builtin_interclass_mathfn ().
3472         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3473         (ilogbsi2): Remove.
3474         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3475         ilogbl built-in functions as x87 intrinsics.
3477 2007-01-30  Richard Guenther  <rguenther@suse.de>
3479         PR middle-end/27657
3480         * dwarf2out.c (reference_to_unused): Query varpool if the
3481         variable was output.
3483 2007-01-30  Richard Guenther  <rguenther@suse.de>
3485         PR middle-end/30313
3486         * passes.c (execute_one_pass): Reset in_gimple_form to not
3487         confuse non-unit-at-a-time mode.
3489 2007-01-29  Roger Sayle  <roger@eyesopen.com>
3490             Richard Guenther  <rguenther@suse.de>
3492         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3493         avoid undefined behaviour on overflow.  Use force_fit_type_double
3494         to construct the constant with the specified TREE_OVERFLOW.
3496 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3498         * config/dfp-bit.c: Add parameterized support for fp exceptions.
3499         * config/dfp-bit.h: Ditto.
3501 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3503         * c-decl.c (pop_scope): Replace warnings with call to
3504         warn_for_unused_label.
3505         * c-common.h (warn_for_unused_label): Declare.
3506         * c-common.c (warn_for_unused_label): Define.
3508 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3510         * tree-optimize.c (update_inlined_to_pointers): Delete unused
3511         function.
3513 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3515         * Makefile.in (USER_H): Remove decfloat.h.
3516         * ginclude/decfloat.h: Delete, moving contents to ...
3517         * ginclude/float.h: Add support for decimal floating point,
3518         guarded by __STDC_WANT_DEC_FP__.
3520 2007-01-29  Mike Stump  <mrs@apple.com>
3522         * doc/gccint.texi (Top): Rename Loop Representation to Loop
3523         Analysis and Representation to resolve case insensitive conflict.
3524         * doc/loop.texi (Loop Analysis and Representation): Likewise.
3526 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
3528         * tree.h (struct tree_memory_tag): Add aliases member.
3529         (MTAG_ALIASES): New macro.
3530         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3531         (add_may_alias): Remove pointer-set. Update for may_aliases being
3532         a bitmap.
3533         (mark_aliases_call_clobbered): Update for may_aliases being a
3534         bitmap.
3535         (compute_tag_properties): Ditto.
3536         (create_partition_for): Ditto.
3537         (compute_memory_partitions): Ditto.
3538         (dump_may_aliases_for): Ditto.
3539         (is_aliased_with): Ditto.
3540         (add_may_alias_for_new_tag): Ditto.
3541         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3542         (compute_is_aliased): New function.
3543         (compute_may_aliases): Call compute_is_aliased).
3544         (init_alias_info): Initialize alias_bitmap_obstack.
3545         (union_alias_set_into): New function.
3546         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3547         (have_common_aliases_p): Rewrite to take two bitmaps and use
3548         intersection.
3549         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3550         Update for bitmaps.
3551         (finalize_ref_all_pointers): Update for add_may_alias changes.
3552         (new_type_alias): Ditto.
3553         * tree-flow-inline.h (may_aliases): Return a bitmap.
3554         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3555         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3556         may_aliases being a bitmap.
3557         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3558         may_aliases now returns a bitmap.
3559         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3560         being a bitmap.
3561         * tree-ssa-operands.c (add_virtual_operand): Update for
3562         may_aliases being a bitmap.
3564 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3566         PR tree-optimization/30630
3567         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3568         variable as changed.
3570 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3572         PR c++/28266
3573         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3574         expanded only once even if an error occurs.
3576 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3578         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3579         (__gcov_average_profiler): Likewise.
3580         (__gcov_ior_profiler): Likewise.
3581         (__gcov_merge_ior): Likewise.
3583 2007-01-28  Jan Hubicka  <jh@suse.cz>
3585         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3586         * value-prof.c (stringop_block_profile): Likewise.
3588 2007-01-28  Jan Hubicka  <jh@suse.cz>
3590         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3591         variant handling histograms; add wrapper.
3592         (clear_storage_via_libcall): Export.
3593         (emit_block_move_hints): Break out from ...; add histograms.
3594         (emit_block_move): ... this one.
3595         (clear_storage_hints): Break out from ...; add histograms.
3596         (clear_storage): ... this one.
3597         (set_storage_via_memset): Handle histogram.
3598         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3599         (clear_storage_hints, clear_storage_via_libcall): Declare.
3600         (set_storage_via_setmem): Update prototype.
3601         * doc/md.texi (movmem, setmem): Document new arguments.
3603         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3604         new histograms.
3605         (stringop_block_profile): New global function.
3606         (tree_stringops_values_to_profile): Profile block size and alignment.
3607         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3608         HIST_TYPE_IOR.
3609         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3610         (stringop_block_profile): Declare.
3611         * builtins.c: Include value-prof.h.
3612         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3613         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3614         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3615         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3616         * profile.c (instrument_values): Add new counters.
3617         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3618         calls.
3619         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3620         (tree_init_edge_profiler): Build new profilers.
3621         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3622         (pass_tree_profile): Add dump.
3623         (tree_profile_hooks): Update.
3624         * Makefile.in (LIBGCOV): Add new constants.
3625         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3626         __gcov_ior_profiler): New.
3627         * i386.md (movmem/setmem expanders): Add new optional arguments.
3629 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3631         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3633 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3635         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3636         (tree_unswitch_single_loop): Pass eni_size_weights to
3637         tree_num_loop_insns.
3638         * tree-ssa-loop-manip.c: Include tree-inline.h.
3639         (can_unroll_loop_p): Pass eni_size_weights to
3640         tree_num_loop_insns.
3641         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3642         Pass eni_size_weights to estimate_num_insns.
3643         * tree.h (init_inline_once): Export.
3644         * toplev.c (backend_init): Call init_inline_once.
3645         * cgraphunit.c (cgraph_process_new_functions,
3646         cgraph_analyze_function): Pass eni_inlining_weights to
3647         estimate_num_insns.
3648         * ipa-inline.c (compute_inline_parameters): Ditto.
3649         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3650         to estimate_num_insns.
3651         (try_unroll_loop_completely): Pass eni_size_weights to
3652         tree_num_loop_insns.
3653         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3654         ot estimate_num_insns.
3655         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3656         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3657         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3658         eni_time_weights): New variables.
3659         (init_inline_once): Initialize them.
3660         (struct eni_data): Mew.
3661         (estimate_num_insns_1, estimate_num_insns): Use weights.
3662         * tree-inline.h (struct eni_weights_d): New.
3663         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3664         (estimate_num_insns): Declaration changed.
3665         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3666         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3667         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3669 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3671         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3672         relations in the conflict function is valid.
3674 2007-01-27  Ian Lance Taylor  <iant@google.com>
3676         * common.opt: Add fstrict-overflow.
3677         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3678         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3679         (TYPE_OVERFLOW_UNDEFINED): Define.
3680         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3681         Replace all uses.
3682         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3683         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3684         (fold_negate_expr): Likewise.
3685         (make_range): Likewise.
3686         (extract_muldiv_1): Likewise.
3687         (maybe_canonicalize_comparison): Likewise.
3688         (fold_comparison): Likewise.
3689         (fold_binary): Likewise.
3690         (tree_expr_nonnegative_p): Likewise.
3691         (tree_expr_nonzero_p): Likewise.
3692         * tree-vrp.c (compare_values): Likewise.
3693         (extract_range_from_binary_expr): Likewise.
3694         (extract_range_from_unary_expr): Likewise.
3695         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3696         Likewise.
3697         (nowrap_type_p): Likewise.
3698         * tree-scalar-evolution.c (simple_iv): Likewise.
3699         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3700         (build_range_check): Likewise.
3701         (extract_muldiv_1): Likewise.
3702         (fold_comparison): Likewise.
3703         * tree-vrp.c (vrp_int_const_binop): Likewise.
3704         (extract_range_from_unary_expr): Likewise.
3705         * convert.c (convert_to_integer): Likewise.
3706         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3707         (fold_comparison): Likewise.
3708         (fold_binary): Likewise.
3709         * optabs.c (optab_for_tree_code): Likewise.
3710         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3711         * simplify-rtx.c (simplify_const_relational_operation): Check
3712         flag_strict_overflow and flag_trapv.
3713         (simplify_const_relational_operation): Likewise.
3714         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3715         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
3716         -fstrict-overflow.
3718 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3720         * tree.c (tree_fold_gcd): Delete.
3721         * tree.h (tree_fold_gcd): Remove prototype.
3722         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3723         test whether one constant integer is a multiple of another.  Instead
3724         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3725         * fold-const.c (multiple_of_p):  We've determined both TOP and
3726         BOTTOM are integer constants so we can call int_const_binop directly
3727         instead of the more generic const_binop.
3729 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3731         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3732         1*X check that the constant hasn't overflowed, to preserve the
3733         TREE_OVERFLOW bit.
3734         (round_up): Provide an efficient implementation when rouding-up an
3735         INTEGER_CST to a power-of-two.
3737 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3739         * doc/sourcebuild.texi: Add comma for clarity.
3740         * doc/extend.texi: Fix some typos.
3741         * doc/passes.texi: Likewise.
3742         * doc/cppinternals.texi: Likewise.
3743         * doc/c-tree.texi: Likewise.
3744         * doc/tree-ssa.texi: Likewise.
3745         * doc/install.texi: Likewise.
3747 2007-01-27  Jan Hubicka  <jh@suse.cz>
3749         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3750         (pass_sra): Do not require alias information.
3751         * passes.c (init_optimization_passes): Add SRA
3753 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3755         * tracer.c (rest_of_handle_tracer): We already cleaned
3756         up the CFG in tracer() so don't do it here again.
3757         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3758         cleanup_cfg here, either.  And don't call renumber_insns.
3760         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3761         and BB_HEAD are in the insn stream here.  Instead make sure
3762         that BB_INSN is valid on all insns.  Also, do check here that
3763         there are no pending branch predictions...
3764         (rtl_verify_flow_info): ...instead of doing it here.  Checks
3765         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3766         here.
3768 2007-01-26  Roger Sayle  <roger@eyesopen.com>
3770         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3771         function to simplify/factorize operand order canonicalization.
3772         (ix86_fixup_binary_operands): Reorganize using the above function.
3773         (ix86_binary_operator_ok): Likewise.
3775 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3777         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3778         file scope from optimize_attrs.
3779         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3780         up search.
3781         (optimize_attrs): Clear insn_code_values after freeing it.
3783 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3785         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3786         a parts.base assignment.
3788 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3790         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3791         (compute_subscript_distance, initialize_data_dependence_relation,
3792         finalize_ddr_dependent, analyze_ziv_subscript,
3793         analyze_siv_subscript_cst_affine,
3794         compute_overlap_steps_for_affine_univar,
3795         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3796         analyze_siv_subscript, analyze_miv_subscript,
3797         analyze_overlapping_iterations, subscript_dependence_tester_1,
3798         compute_self_dependence, free_dependence_relation): Work
3799         with affine_fn instead of chrecs.
3800         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3801         common_affine_function, affine_function_base,
3802         affine_function_constant_p, affine_fn_op, affine_fn_plus,
3803         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3804         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3805         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3806         (all_chrecs_equal_p): Removed.
3807         * tree-data-ref.h (affine_fn, conflict_function): New types.
3808         (struct subscript): Change type of conflicting_iterations_in_a
3809         and conflicting_iterations_in_b.
3811 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
3813         PR other/30182
3814         * config/pa/pa.h (TARGET_HPUX_11): New.
3815         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3816         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3818 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
3819         Richard Guenther  <rguenther@suse.de>
3821         * tree-ssa-structalias.c (solve_graph): Handle case
3822         we merged the variable to another.
3824 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3826         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3827         functions.
3829         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3830         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3832 2007-01-25  DJ Delorie  <dj@redhat.com>
3834         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3835         allow changes to modes which don't fit in those registers.
3837         * reload1.c (choose_reload_regs): Check for invalid subregs before
3838         computing their locations, not after.
3840 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
3842         PR 25127
3843         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3844         save Altivec registers in an eh_return function.
3845         (compute_vrsave_mask): Likewise.
3846         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3847         for saving Altivec registers.
3848         (rs6000_emit_prologue): Don't allocate stack twice in
3849         eh_return function.  Correct expected value of altivec_save_offset
3850         when using save_world.  Describe save of R0 to stack when using
3851         save_world.  Describe stack pointer adjustment when using
3852         save_world.  Remove duplicated eh_return parameter register saving.
3853         Update sp_offset variable after save_world.
3854         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3855         darwin-world.asm.
3856         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3857         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3858         implies Altivec.
3860 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3862         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3864 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3866         PR other/30182
3867         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3868         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
3870 2007-01-25  Richard Guenther  <rguenther@suse.de>
3872         * doc/invoke.texi (-Wcoverage-mismatch): Document.
3873         * common.opt (-Wcoverage-mismatch): New warning option.
3874         * coverage.c (get_coverage_counts): Ignore coverage mismatch
3875         if -Wcoverage-mismatch is given.
3877 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
3879         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3880         (ipcp_driver): Change to static definition.
3881         Add dumping of the ifunctions.
3882         (constant_val_insert): Remove unused parameter. Support for SSA.
3883         (ipcp_propagate_const): Support for SSA.
3884         (ipcp_profile_bb_print): Print only analyzed nodes.
3885         (ipcp_replace_map_create): Remove support for Fortran constant
3886         for now.
3887         * ipa-prop.c (ipa_method_modify_stmt,
3888         ipa_callsite_compute_param): Support for SSA.
3889         * ipa-prop.h (ipcp_driver): Remove declaration.
3890         (IS_VALID_TREE_MAP_INDEX): Add define.
3892 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
3894         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3896 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3898         PR middle-end/30447
3899         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3900         constant argument to cabs and do it without checking for
3901         -funsafe-math-optimizations.
3903 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
3905         * c-common.h (RID_FIRST_CXX0X): New.
3906         (RID_LAST_CXX0X): New.
3907         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3908         by -Wall.
3909         * c.opt (Wc++0x-compat): New.
3910         * doc/invoke.texi (-Wc++0x-compat): Document.
3912 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3914         * builtins.c (fold_builtin_carg): New.
3915         (fold_builtin_1): Use it.
3917 2007-01-24  Jan Hubicka  <jh@suse.cz>
3919         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3921         * ipa-inline.c (initial_insns, max_insns): Delete.
3922         (compute_max_insns): New function.
3923         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3924         of insns as base for code growth.
3925         (cgraph_decide_inlining): Make initial_insns local; do not compute
3926         max_insns.
3927         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3928         * doc/invoke.texi (inline-unit-growth): Update docs.
3930 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
3932         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3933         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3934         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3935         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
3936         for CPUs that have PTA_CX16 set.
3938         PR middle-end/27416
3939         * gimplify.c (omp_check_private): New function.
3940         (gimplify_scan_omp_clauses): Use it for
3941         firstprivate/lastprivate/reduction.
3943         PR middle-end/30494
3944         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3945         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3947         PR middle-end/30421
3948         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3949         If lower_lastprivate_clauses emits some statements, append them
3950         to dlist rather than body_p and to body_p append an initializer.
3951         (lower_omp_for): Adjust caller.
3953 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
3955         * target.h (globalize_decl_name): New.
3956         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3957         * output.h (default_globalize_decl_name): New.
3958         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
3959         globalize_label.
3960         (globalize_decl): Ditto.
3961         (default_globalize_decl_name): New.
3962         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
3963         (ia64_handle_version_id_attribute): New.
3964         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3965         (ia64_asm_output_external): Use globalize_decl_name instead
3966         of globalize_label.
3967         * doc/extend.texi (version_id): New pragma.
3968         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
3970 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3972         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
3973         _uleb128_t and _Unwind_SWord with _sleb128_t.
3974         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
3975         uw_frame_state_for, uw_update_context_1): Likewise.
3976         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
3977         * unwind-pe.h (read_uleb128, read_sleb128,
3978         read_encoded_value_with_base): Likewise.
3979         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
3981 2007-01-24  Richard Guenther  <rguenther@suse.de>
3983         * builtins.c (expand_builtin_cexpi): Get the fndecl
3984         for cexp in the correct way.
3986 2007-01-24  Jan Hubicka  <jh@suse.cz>
3988         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
3990 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3992         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
3993         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
3994         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
3995         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
3996         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
3997         __SIZEOF_PTRDIFF_T__.
3998         * doc/cpp.texi: Documentation for the new builtin macros added.
4000 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
4002         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
4003         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
4004         instead of operands[2] to avoid access past the end of array.
4006 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
4008         * reload1.c (emit_reload_insns): Pass the reload register
4009         for a non-spill output reload through forget_old_reloads_1.
4011 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
4013         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4014         _SOFT_DOUBLE if doubles use software floating-point.
4015         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
4016         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
4017         * config/rs6000/darwin-ldouble.c: Also compile functions for
4018         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
4019         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
4020         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
4021         commented-out long double override.
4022         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
4023         * config/rs6000/eabispe.h: Likewise.
4024         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
4025         long double for non-SPE.
4026         (rs6000_handle_option): Likewise.
4027         (invalid_e500_subreg): Disallow more subregs involding DImode,
4028         DFmode, TImode or TFmode.
4029         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
4030         E500 double.
4031         (legitimate_lo_sum_address_p): Also check for TFmode for E500
4032         double.
4033         (rs6000_legitimize_address): Also handle TFmode for E500 double.
4034         (rs6000_legitimize_reload_address): Also handle TFmode for E500
4035         double.
4036         (rs6000_legitimate_address): Also check for TFmode for E500
4037         double.
4038         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
4039         (spe_build_register_parallel): Handle TFmode and TCmode.
4040         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
4041         double.
4042         (function_arg): Handle TFmode and TCmode for E500 double.
4043         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
4044         in general.
4045         (print_operand): Handle TFmode and TImode for %y.
4046         (rs6000_generate_compare): Handle TFmode comparisons for E500
4047         double.
4048         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
4049         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
4050         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
4051         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
4052         TFmode for E500 double.
4053         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
4054         (floatsidf2): Enable for E500 double.
4055         (movtf_softfloat): Use rs6000_nonimmediate_operand.
4056         (extenddftf2): Change to extenddftf2_fprs.
4057         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
4058         depending on TARGET_E500_DOUBLE.
4059         (extendsftf2): Enable for E500 double.
4060         (trunctfdf2): Enable for E500 double.
4061         (trunctfsf2): Change to trunctfsf2_fprs.
4062         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
4063         depending on TARGET_E500_DOUBLE.
4064         (floatsitf2): Enable for E500 double.
4065         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
4066         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
4067         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
4068         (negtf2): Change to negtf2_internal.
4069         (negtf2): New expander.
4070         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
4071         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
4072         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
4073         (movdi_internal32): Use rs6000_nonimmediate_operand.
4074         (unnamed splitter): Likewise.
4075         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
4076         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
4077         (SPE64TF, DITI): New mode macros.
4078         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
4079         modes.
4080         (frob_tf_ti): New.
4081         (frob_<mode>_di_2): New.
4082         (frob_tf_di_8_2): New.
4083         (frob_di_df): Change to frob_di_<mode>; allow more modes.
4084         (frob_ti_tf): New.
4085         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
4086         more modes.
4087         (frob_ti_<mode>_8_2): New.
4088         (frob_ti_tf_2): New.
4089         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
4090         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
4091         TFmode.
4092         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
4093         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
4094         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
4095         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
4096         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
4097         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
4098         tsttflt_gp): New.
4100 2007-01-23  Ian Lance Taylor  <iant@google.com>
4102         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
4103         insn-*.o first.
4104         (OBJS-archive): Reformat, alphabetize.
4105         (OBJS): Change out_object_file to OBJS-md.
4107 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
4109         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
4110         JUMP_P and CALL_P predicates where applicable.
4111         * config/i386/i386.c: Ditto.
4112         * config/i386/i386.md: Ditto.
4113         * config/i386/mmx.md: Ditto.
4114         * config/i386/predicates.md: Ditto.
4116 2007-01-22  Andreas Schwab  <schwab@suse.de>
4118         * config/m68k/m68k.h: Fix comment.
4120 2007-01-22  Jan Hubicka  <jh@suse.cz>
4122         * passes.c (init_optimization_passes): Do not rerun
4123         pass_early_warn_uninitialized.
4125 2007-01-22  Richard Guenther  <rguenther@suse.de>
4127         PR tree-optimization/30038
4128         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
4129         function.
4130         (execute_cse_sincos_1): Likewise.
4131         (execute_cse_sincos): Likewise.
4132         (gate_cse_sincos): Likewise.
4133         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
4134         the cexpi() canonicalization of sincos().
4135         * tree-pass.h (pass_cse_sincos): Declare.
4136         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
4138 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4140         PR rtl-optimization/29329
4141         * combine.c (replaced_rhs_insn): Rename to i2mod.
4142         (replaced_rhs_value): Rename to i2mod_new_rhs.
4143         (i2mod_old_rhs): New global variable.
4144         (combine_instructions): Adjust for above change.  Save a copy of
4145         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
4146         note are substituted in the second instruction.
4147         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
4148         ditch the note if it pertains to the second eliminated register
4149         and this register is mentioned in i2mod_old_rhs.
4151         Revert:
4152         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4154         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4155         the insn to which the note was originally attached.
4157 2007-01-21  Jan Hubicka  <jh@suse.cz>
4159         * ipa-inline.c (inlining_mode): Comment, move up.
4160         (cgraph_decide_inlining_incrementally): Do not perform inlining
4161         itself; fix handling of flattening of self recursive functions.
4162         (cgraph_find_cycles): Remove.
4163         (cgraph_flatten_node): Remove.
4164         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
4165         (try_inline): New function.
4166         (cgraph_early_inlining): Update call of
4167         cgraph_decide_inlining_incrementally.  Apply inlining here.
4168         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
4170 2007-01-21  Dirk Mueller  <dmueller@suse.de>
4172         PR bootstrap/30511
4173         * tree-vrp.c (check_array_bounds): do not warn
4174         about ADDR_EXPR's of ARRAY_REF's which are immediately
4175         used in binary expressions.
4177 2007-01-21  Ira Rosen  <irar@il.ibm.com>
4179         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
4180         read_write_dep and macros for its access.
4181         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
4182         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
4183         argument, call vect_check_interleaving for every independent pair of
4184         data-refs. Mark loads that access the same memory location as a store
4185         in the loop.
4186         (vect_check_dependences): Remove.
4187         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
4188         call, fix the call to vect_analyze_data_ref_dependence.
4189         (vect_analyze_data_ref_access): For statements that access the same
4190         data-ref, check that they are not stores; for loads, check that there
4191         is no store that access the same location.
4193 2007-01-20  Roger Sayle  <roger@eyesopen.com>
4194             Joseph Myers  <joseph@codesourcery.com>
4196         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
4197         (-fdump-rtl-stack): Likewise.
4198         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
4199         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
4200         (-mpt-fixed): Use @minus{} for minus sign.
4201         (Using Precompiled Headers): Fix under/overfull hbox.
4203 2007-01-20  Jan Hubicka  <jh@suse.cz>
4205         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
4206         place within annotation.
4208 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4210         * pa.c (output_move_double): Change array size of xoperands to 4.
4212 2007-01-20  Jan Hubicka  <jh@suse.cz>
4214         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
4215         as temporary.
4217 2007-01-19  Ian Lance Taylor  <iant@google.com>
4219         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
4220         constant to unsigned HOST_WIDE_INT before negating.
4222 2007-01-19  Ian Lance Taylor  <iant@google.com>
4224         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
4225         to unsigned.
4226         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
4227         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4228         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
4229         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
4230         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4231         (realloc_vdef, realloc_vuse): Change second parameter to
4232         unsigned.
4233         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
4234         fields to unsigned.
4235         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
4236         unsigned. Change x and lim locals to unsigned.
4237         (realloc_vdef, realloc_vuse): Change num_elem parameter to
4238         unsigned.
4239         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
4240         (copy_virtual_operands): Change i and n locals to unsigned.
4242 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4244         PR middle-end/29335
4245         * builtins.c (fold_builtin_1): Handle builtin fdim.
4247 2007-01-20  Jan Hubicka  <jh@suse.cz>
4249         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
4250         * tree-ssa-structalias.c (compute_points_to_sets): Do call
4251         init_alias_heapvars.
4252         (init_alias_heapvars): Initialize only when not already initialized.
4253         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
4255 2007-01-19  Roger Sayle  <roger@eyesopen.com>
4257         * common.opt (fsigned-zeros): New command line option.
4258         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
4259         of flag_unsafe_math_optimizations.
4260         * opts.c (set_fast_math_flags): The -ffast-math command line option
4261         implies -fno-signed-zeros.
4262         (fast_math_flags_set_p): Likewise.
4264         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
4265         the documentation of -ffast-math appropriately.  Wrap long lines.
4267 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
4269         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
4270         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
4272 2007-01-19  Tomas Bily  <tbily@suse.cz>
4274         * cgraphunit.c (cgraph_finalize_function): Updating of pid
4275         * tree-profile.c:
4276         (tree_init_ic_make_global_vars): New function
4277         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
4278         (tree_gen_ic_profiler): New function
4279         (tree_gen_ic_func_profiler): New function
4280         (tree_profiling): Added calling of tree_gen_ic_func_profiler
4281         (tree_profile_hooks): Added hook for indirec/virtual calls
4282         * value-prof.c (tree_find_values_to_profile): New case for
4283         indirect calls
4284         (tree_values_to_profile): Call for determining indirect/virtual
4285         counters
4286         (tree_indirect_call_to_profile): New function
4287         (tree_ic_transform): New function
4288         (tree_ic): New function
4289         (find_func_by_pid): New function
4290         (init_pid_map): New function
4291         (tree_value_profile_transformations): Added check for
4292         indirect/virtual call transformation
4293         * value-prof.h (enum hist_type): New counter type for
4294         indirect/virtual calls
4295         (profile_hooks): Added new hook for profiling indirect/virtual
4296         calls
4297         * profile.c (instrument_values): New case for indirect/virtual
4298         call added
4299         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
4300         (GCOV_COUNTER_V_INDIR): New counter type
4301         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
4302         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
4303         call added
4304         * cgraph.c: Definition of cgraph_max_pid
4305         (cgraph_create_node): Default init of pid attribute
4306         * cgraph.h: Declaration of cgraph_max_pid
4307         (struct cgraph_node): Added pid attribute
4308         * libgcov.c (__gcov_indirect_call_profiler): New function
4309         (__gcov_one_value_profiler_body): New function
4310         (__gcov_one_value_profiler): Body was moved to
4311         __gcov_one_value_profiler_body and calls it
4313 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
4315         * doc/gty.texi (Options): Document the mark_hook option to GTY.
4316         * gengtype.c (write_types_data, write_func_for_structure,
4317         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
4318         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
4319         (walk_type, write_func_for_structure): Generate the mark_hook if
4320         needed.
4322 2007-01-19  Jan Hubicka  <jh@suse.cz>
4324         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
4325         'early' argument take inlining mode argument specifying whether to
4326         inline for size/speeed or all functions; add support for flattening;
4327         improve dumpting.
4328         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
4330 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4332         PR c++/17947
4333         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
4334         the name of the declared identifier.
4336 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4338         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
4339         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
4340         duplicate evaluation.
4342 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4344         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
4345         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
4346         to XFMode, use acosxf2 and truncate result to requested mode.
4347         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4348         (asin<mode>2): Similarly, with asin expanders.
4349         (*fscalexf4_i387): Rename from *fscalexf4.
4350         (expNcorexf3): New expander.
4351         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
4352         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
4353         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
4354         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
4355         patterns for SSE math.
4356         (exp10<mode>2): Similarly, with exp10 expanders.
4357         (exp2<mode>2): Similarly, with exp2 expanders.
4358         (expm1<mode>2): Similarly, with expm1 expanders.
4359         (ldexp<mode>3): Similarly, with ldexp expanders.
4360         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
4361         Use gen_truncxf<mode>2_i387_noop to truncate result.
4363 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4365         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
4366         for ColdFire targets.
4368 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
4369             Richard Sandiford  <richard@codesourcery.com>
4371         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
4372         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
4373         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
4374         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
4375         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4376         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4378 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4380         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
4381         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
4382         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
4383         (*adddi_dilshr32_cf): New pattern.
4384         (adddi3, subdi3): Remove first alternatives.
4386 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4388         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
4389         implemented using move.l, do not use its cc result for floating-point
4390         comparisons.
4392 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4394         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
4395         from accepting 's' constraints if flag_pic.
4397 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4399         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
4400         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
4401         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
4402         condition from TARGET_68881 to TARGET_HARD_FLOAT.
4404 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
4406         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
4407         ColdFire alternatives.
4408         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
4409         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
4410         architectures that support ff1 instruction.
4412 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4413             Julian Brown  <julian@codesourcery.com>
4415         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
4416         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
4417         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
4418         Add commentary.
4420 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4422         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
4423         and return a bool.
4424         (output_move_const_into_data_reg, output_move_simode_const): Delete.
4425         * config/m68k/m68k.c (const_method, const_int_cost): Take a
4426         HOST_WIDE_INT instead of an rtx.
4427         (m68k_rtx_costs): Update call accordingly.
4428         (output_move_const_into_data_reg): Likewise.  Fix formatting.
4429         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
4430         Return a bool.
4431         (output_move_simode_const): Update calls after above changes.
4432         Rework to use automatic variables and predicates like MEM_P.
4433         * config/m68k/m68k.md (pushexthisi_const): Update call to
4434         valid_mov3q_const.
4436 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4438         * tree-ssa-alias.c (perform_var_substitution): Fix typo
4439         in dump_flags test.
4441 2007-01-19  Richard Guenther  <rguenther@suse.de>
4443         * builtins.c (expand_builtin_cexpi): Fall back to expanding
4444         via cexp in case sincos is not available.
4446 2007-01-19  Richard Guenther  <rguenther@suse.de>
4448         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
4449         * defaults.h (TARGET_HAS_SINCOS): Default to off.
4450         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
4451         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
4452         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
4453         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
4454         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
4455         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
4457 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4459         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
4460         New insn patterns.
4461         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
4462         (atan2xf3): Directly generate RTL pattern.
4463         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
4464         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4465         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4466         disable patterns for SSE math.
4467         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
4468         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4469         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4470         disable patterns for SSE math.
4472 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
4474         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
4476 2007-01-18  Roger Sayle  <roger@eyesopen.com>
4478         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
4479         VIEW_CONVERT_EXPR to the same type as it's operand.
4481 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
4483         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
4484         configured for long double 128.
4486 2007-01-18  Mike Stump  <mrs@apple.com>
4488         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
4489         error.
4491 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
4493         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
4494         type correct.
4496 2007-01-18  Jan Hubicka  <jh@suse.cz>
4498         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
4499         greater than NUM_VOP_FREE_BUCKETS.
4501 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
4503         * tree-ssa-structalias.c: Update comments.
4504         (ptabitmap_obstack): Removed.
4505         (pta_obstack): New.
4506         (oldpta_obstack): Ditto.
4507         (stats): Add a few members.
4508         (struct variable_info): Remove node, complex, address_taken, and
4509         indirect_target members. Add oldsolution member.
4510         (new_var_info): Do not initialize removed members.
4511         (constraint_expr_type): Remove INCLUDES.
4512         (constraint_graph): Add size, implicit_preds, rep,
4513         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
4514         (FIRST_REF_NODE): New macro.
4515         (LAST_REF_NODE): Ditto.
4516         (FIRST_ADDR_NODE): Ditto.
4517         (find): New function.
4518         (unite): Ditto.
4519         (dump_constraint): Do not handle INCLUDES.
4520         (insert_into_complex): Do not insert duplicate constraints.
4521         (condense_varmap_nodes): Renamed and rewritten into ...
4522         (merge_node_constraints): This. Also fix bug in handling of
4523         offseted copy constraints.
4524         (clear_edges_for_node): No longer need to deal with preds at all,
4525         or removing associated preds/succs.
4526         (merge_graph_nodes): Deal with indirect_cycles.
4527         Don't deal with predecessors.
4528         (add_implicit_graph_edge): New function.
4529         (add_pred_graph_edge): Ditto.
4530         (add_graph_edge): Don't deal with predecessors.
4531         (build_constraint_graph): Removed.
4532         (build_pred_graph): New function.
4533         (build_succ_graph): Ditto.
4534         (struct scc_info): Removed in_component. Added roots, dfs, and
4535         node_mapping. Remove visited_index, unification_queue.
4536         (scc_visit): Deal with union-find we do now.
4537         Deal with cycles with REF nodes.
4538         (collapse_nodes): Renamed and rewritten to ...
4539         (unify_nodes): This.
4540         (process_unification_queue): Removed.
4541         (topo_visit): Cleanup
4542         (do_da_constraint): Use find.
4543         (do_sd_constraint): Ditto.
4544         (do_ds_constraint): Ditto.
4545         (do_complex_constraint): Ditto.
4546         (init_scc_info): Update for removed and added members.
4547         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
4548         (find_indirect_cycles): This.
4549         (equivalence_class): New variable.
4550         (label_visit): New function.
4551         (perform_variable_substitution): Rewritten.
4552         (free_var_substitution_info): New function.
4553         (find_equivalent_node): Ditto.
4554         (move_complex_constraints): Ditto.
4555         (eliminate_indirect_cycles): Ditto.
4556         (solve_graph): Only propagate changed bits.
4557         Use indirect cycle elimination.
4558         Use find.
4559         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
4560         (tree_id_eq): Renamed to ...
4561         (tree_vi_eq): This. Update for member change
4562         (insert_id_for_tree): Renamed and rewritten to ...
4563         (insert_vi_for_tree): This.
4564         (lookup_id_for_tree): Renamed and rewritten to ...
4565         (lookup_vi_for_tree): This.
4566         (get_id_for_tree): Renamed and rewritten to ...
4567         (get_vi_for_tree): Ditto.
4568         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
4569         (process_constraint): Don't handle INCLUDES.
4570         Remove special ADDRESSOF case.
4571         (find_func_aliases): Rewrite to use vi functions instead of id
4572         ones.
4573         (create_function_info_for): Ditto.
4574         (create_variable_info_for): Ditto.
4575         (intra_create_variable_infos): Ditto.
4576         (merge_smts_into): Ditto.
4577         (find_what_p_points_to): Ditto.
4578         (init_base_vars): Ditto.
4579         (init_alias_vars): Ditto.
4580         (remove_preds_and_fake_succs): New function.
4581         (dump_sa_points_to_info): Dump new stats.
4582         (dump_solution_for_var): Use find.
4583         (set_used_smts): Fix formatting.
4584         (compute_points_to_sets): Updated for new functions.
4585         (ipa_pta_execute): Ditto.
4587 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4588             Richard Sandiford  <richard@codesourcery.com>
4590         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
4591         parallels.
4592         * calls.c (expand_call): If the return value is a PARALLEL,
4593         extract its first member.
4594         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
4595         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4596         use FUNCTION_EXTRA_EPILOGUE.
4597         (m68k_function_value): Return a PARALLEL if the return value
4598         is of a pointer type.
4599         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
4600         (FUNCTION_EXTRA_EPILOGUE): Remove.
4601         * config/m68k/m68k.md (D0_REG): New constant.
4603 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4605         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4606         output a NOP for empty epilogues.
4608 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4610         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
4611         before function.  Extend register save check to include all
4612         registers, not just integer ones.
4614 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4616         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
4617         (m68k_use_return_insn): ...this.
4618         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
4619         * config/m68k/m68k.c (use_return_insn): Rename to...
4620         (m68k_use_return_insn): ...this.
4621         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
4622         of USE_RETURN_INSN.
4624 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4626         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
4627         nearest even, fix denormal rounding overflow.
4629 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4631         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
4632         f%$smove and f%$move.
4633         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
4634         (extendsfdf2_cf): Use fdmove instead of f%&move.
4635         (truncdfsf2_cf): Use fsmove instead of f%$smove.
4636         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
4638 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4640         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
4641         GPR<-GPR moves.
4643 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4645         * real.h (real_format): Add a canonical_nan_lsbs_set field.
4646         (coldfire_single_format): Declare.
4647         (coldfire_double_format): Likewise.
4648         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
4649         of qnan_msb_set to determine the lower bits of a canonical
4650         NaN significand.
4651         (encode_ieee_double): Likewise.
4652         (encode_ieee_quad): Likewise.
4653         (ieee_single_format): Initialize canonical_nan_lsbs_set.
4654         (mips_single_format): Likewise.
4655         (ieee_double_format): Likewise.
4656         (mips_double_format): Likewise.
4657         (ieee_extended_motorola_format): Likewise.
4658         (ieee_extended_intel_96_format): Likewise.
4659         (ieee_extended_intel_128_format): Likewise.
4660         (ieee_extended_intel_96_round_53_format): Likewise.
4661         (ibm_extended_format): Likewise.
4662         (mips_extended_format): Likewise.
4663         (ieee_quad_format): Likewise.
4664         (mips_quad_format): Likewise.
4665         (vax_f_format): Likewise.
4666         (vax_d_format): Likewise.
4667         (vax_g_format): Likewise.
4668         (i370_single_format): Likewise.
4669         (i370_double_format): Likewise.
4670         (decimal_single_format): Likewise.
4671         (decimal_double_format): Likewise.
4672         (decimal_quad_format): Likewise.
4673         (c4x_single_format): Likewise.
4674         (c4x_extended_format): Likewise.
4675         (real_internal_format): Likewise.
4676         (coldfire_single_format): New real_format.
4677         (coldfire_double_format): Likewise.
4678         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
4679         canonical_nan_lsbs_set.
4680         (pdp11_d_format): Likewise.
4681         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4682         if TARGET_COLDFIRE_CPU.
4684 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4686         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4687         (output_call, m68k_legitimize_call_address): Declare.
4688         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4689         parenthesees.  Add support for a 'W' constraint.
4690         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4691         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4692         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4693         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4694         variables.
4695         (override_options): Initialize them.  Do not set flag_no_function_cse
4696         for TARGET_ID_SHARED_LIBRARY.
4697         (m68k_output_pic_call): Delete.
4698         (m68k_legitimize_call_address): New function.
4699         (print_operand): Remove the %o prefix.  Handle the %p prefix.
4700         (output_call): New function.
4701         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
4702         target address from the GOT if symbolic jumps are not allowed.
4703         * config/m68k/m68k.md (call, general_operand): Do not set
4704         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
4705         Merge separate flag_pic and !flag_pic define_insns into...
4706         (*call, *call_value): ...these new patterns.  Match the address
4707         rather than the containing MEM and require it to be a call_operand.
4708         Use output_call to generate the asm template.
4709         * config/m68k/predicates.md (const_call_operand): New predicate.
4710         (call_operand): Likewise.
4712 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4714         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4715         (STACK_GROWS_DOWNWARD): Define to 1.
4716         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4717         comments, emphasizing that these values are only defaults.
4718         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4719         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4721 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4723         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4725 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4726             Richard Sandiford  <richard@codesourcery.com>
4728         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4729         (FP_REGNO_P): New macros.
4730         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4731         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4732         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4733         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4735 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4737         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4738         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4739         to $tmake_file.
4740         * config/m68k/t-floatlib: New file, extracting common code from...
4741         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4742         * config/m68k/t-uclinux: Here.
4743         * config/m68k/fpgnulib.c: Do not compile extendeed precision
4744         routines on ColdFire targets.
4746 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4748         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4749         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4750         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4751         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4752         explicitly set MOTOROLA to 1.
4753         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4755 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4756             Nathan Sidwell  <nathan@codesourcery.com>
4758         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4759         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4760         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4761         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4762         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4763         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4764         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4765         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4766         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4767         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4768         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4769         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4770         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4771         (DBX_REGISTER_NUMBER): Delete.
4772         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4773         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4774         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4776 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4778         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4779         * config/flat.h: New file.
4780         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4781         OBJECT_FORMAT_FLAT.
4782         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4783         indirect references for -msep-data or -mid-shared-library.
4784         Do not use PC-relative code addresses either.
4785         * config/m68k/m68k.c (override_options): Restrict -fPIC error
4786         to -mpcrel.
4787         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
4788         for shared libraries and crt1.o for executables.  Use crti.o and
4789         crtbegin.o.
4790         (ENDFILE_SPEC): Use crtend.o and crtn.o.
4791         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4792         Do not add -elf2flt or -shared-lib-id options here.
4793         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
4794         Pass -shared-lib-id if -mid-shared-library, taking the library
4795         identifier from -mshared-library-id if given, otherwise
4796         defaulting to 0.
4797         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4798         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4799         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4800         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4801         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4802         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4803         and crtend.o.
4804         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4805         jump sequence for ISA A and ISA A+.
4806         (PICJUMP): Likewise.
4808 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4810         * config.gcc (m68k-*-uclinux*): Base the port on the common
4811         and m68k GNU/Linux files rather than on the generic ELF ones.
4812         * config/m68k/uclinux.h (TARGET_VERSION): Override.
4813         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4815 2007-01-18  Julian Brown  <julian@codesourcery.com>
4816             Richard Sandiford  <richard@codesourcery.com>
4818         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4819         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4820         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4821         before redefining.
4822         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4823         80 unconditionally.
4824         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4826 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4828         * doc/install.texi: Document m68k-uclinuxoldabi.
4829         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
4830         * config/m68k/uclinux-oldabi.h: New file, copied from
4831         config/m68k/uclinux.h.
4833 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
4835         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
4836         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
4837         (m32r_compute_frame_size): Use unsigned for regno.
4838         (m32r_reload_lr): Use gen_frame_mem.
4839         (pop): New.
4840         (m32r_output_function_epilogue): Don't output the function epilogue
4841         textually here.
4842         (m32r_expand_epilogue): New.
4843         (direct_return): Return false if the function has the interrupt
4844         attribute.
4845         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
4846         * config/m32r/m32r.md (epilogue): New expander.
4847         (return_lr, return_rte): New insns.
4848         (return): Make it expander.
4849         (return_normal): New expander.
4851 2007-01-18  Josh Conner  <jconner@apple.com>
4853         PR target/30485
4854         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
4855         support for UNLE, UNLT, UNGE, and UNGT.
4857 2007-01-18  Jan Hubicka  <jh@suse.cz>
4859         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
4860         * tree-tailcall (add_virtual_phis): Likewise.
4861         (optimize_tail_call): Return TODOs.
4862         (execute_tail_calls): Return TODOs.
4863         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
4864         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
4865         changed.
4866         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4867         Cleanup cfg using TODO.
4868         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
4869         * passes.c (execute_function_todo): When cleanup did something, remove
4870         unused locals.
4871         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
4872         (make_edges): Don't cleanup_cfg.
4874 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
4876         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
4877         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
4878         operate on the top of stack.
4879         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
4880         register handling of instructions that output to the second
4881         stack slot.
4882         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
4883         (move_for_stack_reg): Special-case check for dead destination
4884         stack slot for constant load of 1.0 inside UNSPEC_TAN.
4886         * config/i386/i386.md (UNSPEC_TAN): New constant.
4887         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
4888         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
4889         to correctly model move of constant 1.0 to top stack slot.
4890         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
4891         (unnamed peephole2 pattern): Remove corresponding peephole2
4892         pattern that optimizes tan insn and loading of constant 1.0.
4893         (tanxf2): Use fptanxf4_i387.
4894         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
4895         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
4896         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4897         disable patterns for SSE math.
4898         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
4899         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
4901 2007-01-18  Dirk Mueller  <dmueller@suse.de>
4902             Richard Guenther <rguenther@suse.de>
4904         PR diagnostic/8268
4905         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
4906         * common.opt (Warray-bounds): Add new warning option.
4907         * c-opts.c (c_common_handle_option): Define -Warray-bounds
4908         if -Wall is given.
4909         * Makefile.in: make tree-vrp.o depend on toplev.h
4910         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
4911         is enabled.
4912         (check_array_refs, check_array_bounds, check_array_ref): New.
4914 2007-01-18  Jan Hubicka  <jh@suse.cz>
4916         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
4917         (execute_ssa_ccp): Return flags conditionally.
4918         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
4919         changed.
4920         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
4922 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
4924         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
4925         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
4927         * Makefile.c (GTFILES): Add cfglayout.h.
4928         * gengtype.c (open_base_files): Likewise.
4929         * cfglayout.c (cfg_layout_function_footer,
4930         cfg_layout_function_header) Reindent to make gengtype happy.
4931         * cfglayout.h (cfg_layout_function_footer,
4932         cfg_layout_function_header): Add GTY(()) marker.
4934         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
4936 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4938         * genautomata.c (write_automata): Include xstrerror output in the
4939         error message if writing the DFA description file fails.
4941 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
4943         * config/mips/mips-protos.h (mips_output_external): Make it
4944         return void.
4945         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
4946         * config/mips/mips.c (irix_output_external_libcall): Likewise.
4947         (extern_list): Likewise.
4948         (extern_head): Likewise.
4949         (TARGET_ASM_FILE_END): Likewise.
4950         (mips_file_end): Likewise.
4951         (mips_output_external): Rewritten.
4953 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4955         * genpreds.c (write_insn_preds_c): Only write out the function
4956         body for regclass_for_constraint if we have register constraints.
4958 2007-01-17  Tom Tromey  <tromey@redhat.com>
4960         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
4961         * doc/install.texi (Testing): Use sourceware.org.
4962         (Binaries): Likewise.
4963         (Specific): Likewise.
4964         * doc/contrib.texi (Contributors): Use sourceware.org.
4966 2007-01-17  Anatoly Sokolov <aesok@post.ru>
4968         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
4969         (AVR_ENHANCED): Rename to ...
4970         (AVR_HAVE_MUL): ... new.
4971         (avr_enhanced_p): Rename to ...
4972         (avr_have_mul_p): ... new.
4973         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
4974         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
4975         * config/avr/avr.c (avr_enhanced_p): Rename to ...
4976         (avr_have_mul_p): ... new.
4977         (base_arch_s): Rename 'enhanced' to 'have_mul'.
4978         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
4979         'avr_enhanced_p' and 'enhanced'.
4980         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
4981         AVR_HAVE_MUL instead of AVR_ENHANCED.
4982         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4983         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
4984         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
4985         instead of AVR_ENHANCED.
4986         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4987         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
4988         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
4990 2007-01-17  Ian Lance Taylor  <iant@google.com>
4992         * vec.h (VEC_reserve_exact): Define.
4993         (vec_gc_p_reserve_exact): Declare.
4994         (vec_gc_o_reserve_exact): Declare.
4995         (vec_heap_p_reserve_exact): Declare.
4996         (vec_heap_o_reserve_exact): Declare.
4997         (VEC_OP (T,A,reserve_exact)): New static inline function, three
4998         versions.
4999         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
5000         negative parameter.
5001         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
5002         (VEC_OP (T,A,copy)) [all versions]: Likewise.
5003         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
5004         * vec.c (calculate_allocation): Add exact parameter.  Change all
5005         callers.
5006         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
5007         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
5008         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
5009         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
5010         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
5011         (vec_heap_p_reserve_exact): New function.
5012         (vec_heap_o_reserve_exact): New function.
5014 2007-01-17  Jan Hubicka  <jh@suse.cz>
5016         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
5018 2007-01-17  Eric Christopher  <echristo@apple.com>
5020         * config.gcc: Support core2 processor.
5022 2007-01-16  Jan Hubicka  <jh@suse.cz>
5024         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
5025         the names, just unlink the chain so we don't crash on dangling pointers
5026         to dead SSA names.
5028 2007-01-16  Jan Hubicka  <jh@suse.cz>
5030         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
5031         * tree-pass.h: Reorder to make IPA passes appear toegher.
5032         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
5033         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
5034         parameters, do not call early inliner.
5035         * ipa-inline.c: Update comments.  Include tree-flow.h
5036         (cgraph_decide_inlining): Do not compute inlining parameters.
5037         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
5038         be called with function context set up.
5039         (pass_ipa_inline): Remove unreachable functions before pass.
5040         (cgraph_early_inlining): Simplify assuming to be called from the
5041         PM as local pass.
5042         (pass_early_inline): New pass.
5043         (cgraph_gate_ipa_early_inlining): New gate.
5044         (pass_ipa_early_inline): Turn into simple wrapper.
5045         (compute_inline_parameters): New function.
5046         (gate_inline_passes): New gate.
5047         (pass_inline_parameters): New pass.
5048         (apply_inline): Move here from tree-optimize.c
5049         (pass_apply_inline): New pass.
5050         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
5051         transforming.
5052         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
5053         doing them by hand.
5054         (tree_function_versioning): Do not allocate dummy struct function.
5055         * tree-inline.h (optimize_inline_calls): Update prototype.
5056         * tree-optimize.c (execute_fixup_cfg): Export.
5057         (pass_fixup_cfg): Remove
5058         (tree_rest_of_compilation): Do not apply inlines.
5059         * tree-flow.h (execute_fixup_cfg): Declare.
5060         * Makefile.in (gt-passes.c): New.
5061         * passes.c: Include gt-passes.h
5062         (init_optimization_passes): New passes.
5063         (nnodes, order): New static vars.
5064         (do_per_function_toporder): New function.
5065         (execute_one_pass): Dump current pass here.
5066         (execute_ipa_pass_list): Don't dump current pass here.
5068 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
5070         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
5071         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
5073 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
5075         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
5076         (strong_alias): Define.
5077         (__gcc_qmul): Provide non-FMA for soft-float.
5078         (__gcc_qdiv): Same.
5079         (__gcc_qneg): New.
5080         (__gcc_qeq): New.
5081         (__gcc_qle): New.
5082         (__gcc_qge): New.
5083         (__gcc_qunord): New.
5084         (__gcc_stoq): New.
5085         (__gcc_dtoq): New.
5086         (__gcc_qtos): New.
5087         (__gcc_qtod): New.
5088         (__gcc_qtoi): New.
5089         (__gcc_qtou): New.
5090         (__gcc_itoq): New.
5091         (__gcc_utoq): New.
5092         (fmsub): New.
5093         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
5094         soft-float functions.
5095         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
5096         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
5097         about long double soft float.
5099 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
5100             Tehila Meyzels  <tehila@il.ibm.com>
5102         * tree-vectorizer.h (is_pattern_stmt_p): New.
5103         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
5104         formatting (tabs instead of spaces). Cleanup and clarify setting
5105         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
5106         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
5107         (vectorizable_type_demotion): Check that types are integral.
5108         (vectorizable_type_promotion): Likewise.
5109         (vectorizable_store): Fix typo.  Eliminate new-line at end of
5110         comments.
5112 2007-01-16  Jan Hubicka  <jh@suse.cz>
5114         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
5115         cgraph edges too.
5117 2007-01-15  Eric Christopher  <echristo@apple.com>
5119         * ifcvt.c: Include vec.h, vecprim.h.
5120         (check_cond_move_block): New argument regs.
5121         Reorganize. Add registers used to regs.
5122         (cond_move_process_if_block): Use regs set above as
5123         loop bounds.
5125 2007-01-15  Eric Christopher  <echristo@apple.com>
5127         * config/darwin.h: Update copyright.
5128         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
5129         (LINK_COMMAND_SPEC): Add -u.
5130         (LINK_SPEC): Fix umbrella for above.
5132 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
5134         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
5135         glibc CVS.
5137 2007-01-15  Tom Tromey  <tromey@redhat.com>
5139         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
5140         * doc/install.texi (Testing): Don't mention jacks.
5141         (Configuration): Document --enable-java-maintainer-mode.  Move
5142         --with-java-home to libgcj-specific section.  Document
5143         --with-ecj-jar.
5144         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
5146 2007-01-15  Jan Hubicka  <jh@suse.cz>
5148         * tree-ssa-dce.c (DCE_TODOs): New.
5149         (propagate_necessity): Return if something changed.
5150         (eliminate_unnecessary_stmts): Likewise.
5151         (perform_tree_ssa_dce): Return TODO flags when needed.
5152         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
5154 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
5156         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
5157         (fyl2x_extend<mode>xf3_i387): New insn pattern.
5158         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
5159         patterns using X87MODEF12 mode macro.  Extend operand 1
5160         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
5161         (log10<mode>2): Ditto.
5162         (log2<mode>2): Ditto.
5163         (log1p<mode>2): Ditto.
5164         (logb<mode>2): Ditto.
5165         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
5166         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
5167         (*fxtractxf3_i387): Rename from *fxtractxf3.
5168         (fxtract_extend<mode>xf3_i387): New insn pattern.
5169         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
5170         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
5171         and gen_fyl2xxf3_i387().
5173 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
5175         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
5176         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
5177         get_loop_exit_edges.  Changed return type to bool.
5178         * cfgloop.h (fix_loop_placement): Declaration removed.
5180 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
5182         * param.h (MIN_VECT_LOOP_BOUND): New.
5183         * params.def (MIN_VECT_LOOP_BOUND): New.
5184         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
5185         argument - minimum threshold for number of iterations.
5186         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
5187         argument to declaration.
5188         * tree-vect-analyze.c (vect_analyze_operations): Check value of
5189         MIN_VECT_LOOP_BOUND.
5190         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
5191         slpeel_tree_peel_loop_to_edge with additional argument.
5192         (vect_do_peeling_for_alignment): Likewise.
5193         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
5195 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
5197         PR target/30413
5198         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
5199         operands of size 1.
5201 2007-01-14  Jan Hubicka  <jh@suse.cz>
5203         * tree-dfa.c (remove_referenced_var): New function.
5204         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
5205         prune referenced vars list too.
5206         * tree-flow.h (remove_referenced_var): Declare.
5208 2007-01-14  Jan Hubicka  <jh@suse.cz>
5210         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
5211         separately.
5212         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
5213         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
5214         * except.h (verify_eh_throw_table_statements): Kill prototype.
5215         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
5216         into call exrepssions.
5217         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
5218         eh trhow verifier.
5219         * tree-cfg.c: Include pointer-set.h.
5220         (verify_node_sharing): Work on pointer set.
5221         (verify_eh_throw_stmt_node): New.
5222         (verify_stmts): Use pointers sets, verify throw_stmt.
5224 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
5226         * ipa-reference.c (analyze_function): Consider also addresses taken
5227         in phi nodes.
5229 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5231         * c-typeck.c (null_pointer_constant_p): Replace use of
5232         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5233         (build_c_cast): Likewise.
5235 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5237         * tree.h (force_fit_type_double): Remove unused final argument.
5238         * c-common.c (constant_expression_warning): Replace use of
5239         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5240         (convert_and_check): Likewise.
5241         (shorten_compare): Update call to force_fit_type_double.
5242         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
5243         * convert.c (convert_to_pointer): Update call to
5244         force_fit_type_double.
5245         * fold-const.c (force_fit_type_double): Remove overflowed_const
5246         argument.
5247         (int_const_binop, fold_convert_const_int_from_int,
5248         fold_convert_const_int_from_real, fold_div_compare,
5249         fold_sign_changed_comparison, fold_unary, fold_negate_const,
5250         fold_abs_const, fold_not_const): Remove the final argument from
5251         calls to force_fit_type_double.
5253 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5255         * configure.ac: Set insn to "nop" for spu-*-* also.
5256         * configure: Regenerate.
5258 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
5260         * builtins.def : Add BUILT_IN_FREE.
5262 2007-01-12  Jan Hubicka  <jh@suse.cz>
5264         PR tree-optimization/30443
5265         * tree-inline.c (tree_function_versioning): Do not optimize when
5266         cloning for inlining.
5268 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
5270         * doc/loop.texi: Document recording of loop exits.
5271         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
5272         (update_single_exits_after_duplication,
5273         update_single_exit_for_duplicated_loop,
5274         update_single_exit_for_duplicated_loops): Removed.
5275         (duplicate_loop_to_header_edge): Do not call
5276         update_single_exits_after_duplication and
5277         update_single_exit_for_duplicated_loops.
5278         (loop_version): Do not update single_exit information.
5279         (fix_loop_structure): Use record_loop_exits instead of
5280         mark_single_exit_loops.
5281         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
5282         the lists of loop exits.
5283         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
5284         split_edge, merge_blocks): Update the lists of loop exits.
5285         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
5286         loop_optimizer_init.
5287         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
5288         of mark_single_exit_loops.
5289         (loop_optimizer_finalize): Call release_recorded_exits.
5290         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
5291         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
5292         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
5293         update single exit information.
5294         * lambda-code.c (perfect_nestify): Ditto.
5295         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
5296         (mark_single_exit_loops): Removed.
5297         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
5298         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
5299         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
5300         functions.
5301         (get_loop_exit_edges, single_exit): Use recorded exit lists.
5302         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
5303         (verify_loop_structure): Verify consistency of the exit lists.
5304         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
5305         (set_single_exit): Removed.
5306         * cfgloop.h (struct loop_exit): New function.
5307         (struct loop): single_exit_ field replaced by exits field.
5308         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
5309         (struct loops): Added exits hash.
5310         (mark_single_exit_loops, set_single_exit): Declaration removed.
5311         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
5313 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5315         * doc/invoke.texi: Avoid use of @headitem.
5317 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5319         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
5321 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5323         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
5324         list of targets.
5326 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5327             Richard Sandiford  <richard@codesourcery.com>
5329         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
5330         * config/m68k/m68k.opt: Resort options.
5331         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
5333 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5334             Richard Sandiford  <richard@codesourcery.com>
5336         * doc/invoke.texi: Document the macros that are defined by
5337         m68k's -mtune and -mhard-float options.
5338         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
5339         (m68k_cpp_cpu_family): Likewise.
5340         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
5341         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
5342         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
5343         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
5344         (m68k_cpp_cpu_family): Likewise.
5346 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5348         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
5349         macros besides mc68000 as tuning macros.  Use a switch statement
5350         to set them and mcpu32.
5352 2007-01-12  Julian Brown  <julian@codesourcery.com>
5354         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
5355         (TARGET_68040_ONLY): Rename to...
5356         (TARGET_68040): ...this.
5357         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
5358         * config/m68k/m68k.md: Likewise.
5360 2007-01-12  Julian Brown  <julian@codesourcery.com>
5361             Nathan Sidwell  <nathan@codesourcery.com>
5362             Richard Sandiford  <richard@codesourcery.com>
5364         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
5365         the -mcpu= argument associated with the --with-cpu setting.
5366         Define M68K_DEFAULT_TUNE to the default -mtune= option,
5367         if different from the one implied by the -mcpu setting.
5368         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
5369         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
5370         * doc/invoke.texi: Mention ColdFire in the introduction to the
5371         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
5372         -mno-div and -mhard-float options.  Make -m68881 a synonym for
5373         -mhard-float.  Document the previously-undocumented -m5206e,
5374         -m528x, -m5307 and -m5407 options.  Tweak the existing option
5375         documentation for consistency.
5376         * doc/install.texi: Mention new --with-cpu arguments.
5377         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
5378         default CPU if neither -mcpu nor -march are specified.
5379         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
5380         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
5381         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
5382         using m68k_tune to decide between families that implement the
5383         same ISA.  Use m68k_tune to set __mcfv4e__.
5384         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
5385         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
5386         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
5387         (FL_ISA_C, FL_ISA_MMU): New macros.
5388         (MASK_COLDFIRE): Delete.
5389         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
5390         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
5391         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
5392         (TARGET_HARD_FLOAT): Do not define here.
5393         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
5394         (TUNE_68000): New macro.
5395         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
5396         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
5397         (TUNE_CFV2): Redefine in terms of m68k_tune.
5398         (uarch_type, target_device, fpu_type): New enums.
5399         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
5400         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
5401         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
5402         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
5403         (FL_FOR_isa_c): New macros.
5404         (m68k_isa): New enum.
5405         (m68k_target_selection): New structure.
5406         (all_devices, all_isas, all_microarchs): New tables.
5407         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
5408         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
5409         (MASK_ALL_CPU_BITS): Delete.
5410         (m68k_find_selection): New function.
5411         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
5412         Map the legacy target options to a combination of the new ones.
5413         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
5414         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
5415         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
5416         settings.
5417         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
5418         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
5419         properties.
5420         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
5421         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
5422         * config/m68k/m68k-devices.def: New file.
5424 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5425             Nathan Sidwell  <nathan@codesourcery.com>
5427         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
5428         (SUBTARGET_EXTRA_SPECS): New macros.
5429         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
5430         use %(asm_cpu_spec) instead.
5431         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
5432         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
5433         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
5434         (EXTRA_SPECS): Rename to...
5435         (SUBTARGET_EXTRA_SPECS): ...this.
5437 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5438             Richard Sandiford  <richard@codesourcery.com>
5439             Julian Brown  <julian@codesourcery.com>
5441         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
5442         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
5443         to the configuration's default CPU.
5444         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
5445         Remove default masks.
5446         (m680[012]0-*-*): Set the default with_cpu to the first part of
5447         the target name.
5448         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
5449         (m68k*-*-linux): Extend the --with-cpu handling to...
5450         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
5451         and m68010.  Don't set target_cpu_default2.
5452         * doc/install.texi: Document --with-cpu for m68k.
5453         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
5454         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
5455         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
5456         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
5457         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
5458         (ASM_SPEC): Remove use of %(asm_cpu_default).
5459         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
5460         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
5461         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
5462         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
5463         __HAVE_FPU__ if TARGET_HARD_FLOAT.
5464         (TARGET_DEFAULT): Delete.
5465         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
5466         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
5467         (CPP_CPU_SPEC): Delete.
5468         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
5469         the appropriate string.
5470         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
5471         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
5472         (ASM_SPEC): Don't use %(asm_default_spec).
5473         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5474         TARGET_DEFAULT and add MASK_68881.
5475         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
5477 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5479         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
5480         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
5481         MASK_68010 alongside MASK_68020.
5482         * doc/invoke.texi: Document -m68010.
5483         * config/m68k/m68k.opt (m68010): New.
5484         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
5485         if TUNE_68010.
5486         (TUNE_68010): New macro.
5487         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
5488         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
5489         (M68K_CPU_m68332): Add MASK_68010.
5490         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
5491         fallback definition.
5492         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
5493         defines.
5494         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
5495         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
5496         to all entries that use MASK_68020.
5497         (output_move_simode_const, output_move_himode, output_move_qimode)
5498         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
5499         instead of TARGET_68020 to select clr behavior.  Remove comment
5500         about there being no TARGET_68010.
5501         * config/m68k/m68k.md: Likewise throughout.
5503 2007-01-12  Julian Brown  <julian@codesourcery.com>
5505         * config/m68k/m68k.h (TARGET_ISAB): New macro.
5506         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
5507         * config/m68k/m68k.md: Likewise.
5509 2007-01-12  Julian Brown  <julian@codesourcery.com>
5511         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
5512         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
5514 2007-01-12  Julian Brown  <julian@codesourcery.com>
5516         * config/m68k/m68k.h (TUNE_68040_60): New macro.
5517         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
5518         * config/m68k/m68k.md: Likewise.
5520 2007-01-12  Julian Brown  <julian@codesourcery.com>
5521             Richard Sandiford  <richard@codesourcery.com>
5523         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
5524         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
5525         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
5526         TARGET_CPU32.
5527         (TARGET_CPU32): Rename to...
5528         (TUNE_CPU32): ...this.
5529         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
5530         (TUNE_CFV2): New macros.
5531         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
5532         remove conditions that are implied by TARGET_68020.
5533         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
5534         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
5535         (m68k_output_function_epilogue): Likewise.
5536         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
5537         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
5538         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
5539         non-68000 timings.  Refactor multiplication and division costs.
5540         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
5541         TUNE_CPU32 instead of TARGET_CPU32.
5542         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
5543         and TUNE_68060 instead of TARGET_68060.
5544         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
5545         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
5546         TARGET_CPU32.
5547         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
5548         && !TARGET_COLDFIRE" to choose between moveq and clr.
5549         Likewise in the unnamed movsf pattern.
5550         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
5551         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
5552         ashiftrt pattern.
5554 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5556         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
5557         of tabbing before backslashes.
5559 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5561         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
5562         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
5563         (ASM_OUTPUT_INTERNAL_LABEL): Define.
5565 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5567         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
5568         find_interesting_uses_cond.
5569         (find_interesting_uses_cond): Use extract_cond_operands.
5570         (rewrite_use_compare): Use extract_cond_operands and
5571         force_gimple_operand_bsi.  Do not call update_stmt.
5572         (determine_use_iv_cost_condition): Use extract_cond_operands.
5573         Return cheaper of using original bound and changing the exit bound.
5575 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5577         PR tree-optimization/29516
5578         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
5579         most_expensive_mult_to_index, addr_to_parts,
5580         create_mem_ref, maybe_fold_tmr): Make the type of
5581         fields of TARGET_MEM_REF sizetype.
5582         (move_fixed_address_to_symbol, move_pointer_to_base):
5583         New functions.
5584         * tree.def (TARGET_MEM_REF): Add comment on types of
5585         the operands.
5587 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
5589         * c-common.c (vector_types_convertible_p): Treat opaque types as
5590         always convertible if they have the same size, but not otherwise.
5592 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
5594         * ifcvt.c (struct noce_if_info): Add comments to the fields.
5595         Remove the b_unconditional field.
5596         (noce_try_sign_mask): Do not look at b_unconditional.
5597         (noce_process_if_block): Do not use merge_if_blocks.  Update
5598         the CFG here.  Do not set b_unconditional.
5599         (cond_move_process_if_block): Likewise.
5600         (find_cond_trap): Likewise.
5601         (check_cond_move_block): Require simple jump insns at the end
5602         of the basic block.
5604 2007-01-11  Jan Hubicka  <jh@suse.cz>
5606         PR tree-optimization/1046
5607         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
5608         when alias info is not ready.
5609         (pass_tail_recursion): Do not require aliasing.
5610         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
5611         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
5612         * tree-ssa-copy.c (pass_copy_prop): Likewise.
5613         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5614         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
5615         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
5616         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
5617         before inlining.
5618         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
5619         When aliasing is not build, mark statement as volatile.
5621 2007-01-11  Tom Tromey  <tromey@redhat.com>
5623         PR preprocessor/15185, PR preprocessor/20989:
5624         * doc/cppopts.texi <-MT>: Update description of algorithm for
5625         computing default target.
5626         <-M, -MD>: Reword "basename" text.
5628 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5630         * builtins.c (expand_builtin_pow, expand_builtin_powi,
5631         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
5632         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5633         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
5634         fold_builtin_bswap, real_constp, fold_builtin_pow,
5635         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
5636         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
5637         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5638         * convert.c (convert_to_pointer): Likewise.
5639         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
5640         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
5641         const_binop, fold_convert_const_int_from_int,
5642         fold_convert_const_int_from_real,
5643         fold_convert_const_real_from_real, sign_bit_p,
5644         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
5645         fold_sign_changed_comparison, fold_unary, fold_comparison,
5646         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
5647         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
5648         * print-tree.c (print_node_brief, print_node): Likewise.
5649         * stor-layout.c (place_field, layout_type): Likewise.
5650         * tree-chrec.c (keep_cast): Likewise.
5651         * tree.c (build_vector, build_real, build_real_from_int_cst,
5652         build_complex): Likewise.
5654 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5656         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
5657         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
5659 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
5661         * configure.ac (strict1_warn): Rename to strict_warn.
5662         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
5663         cc_set_by_configure, quoted_cc_set_by_configure,
5664         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
5665         all_boot_languages, all_stagestuff): Remove.
5666         (target_list): Remove bootstrap targets.
5667         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
5668         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
5669         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
5670         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
5671         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
5672         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
5673         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
5674         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
5675         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
5676         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
5677         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
5678         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
5679         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
5680         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
5681         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
5682         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
5683         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
5684         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
5685         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
5686         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
5687         (mostlyclean): Adjust.
5688         (clean, distclean): Don't mention bootstrap stuff.
5689         * configure: Regenerate.
5690         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
5691         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
5692         treelang/config-lang.in (stagestuff): Remove.
5693         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
5694         stageprofile, stagefeedback, stagestuff): Remove mention.
5696 2007-01-11  Nick Clifton  <nickc@redhat.com>
5698         * config/mcore/predicates.md (mcore_general_movesrc_operand):
5699         Accept CONSTs.
5700         (mcore_general_movdst_operand): Do not accept CONST_INTs.
5701         (mcore_arith_K_S_operand): Run the test for the S constraint not
5702         the test for the M constraint.
5703         (mcore_addsub_operand): Do not accept integer values that are
5704         larger than 32 bits.
5705         * config/mcore/mcore.md: Remove unused constraints from split.
5706         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
5707         (addsi3): Likewise.
5708         (allocate_stack): Likewise.
5709         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
5710         operands to 32 bits.
5711         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
5712         INTVAL.
5713         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
5714         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
5715         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
5716         mcore_output_bclri, mcore_output_andn, output_inline_const,
5717         mcore_output_move, mcore_output_movedouble): Likewise.
5718         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
5719         (output_inline_const): Likewise.
5720         (output_inline_const): Fix format strings used in sprintf
5721         statements.
5722         * config/mcore/mcore-protos.h: Update prototypes for changed
5723         functions in mcore.c.
5724         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
5725         HOST_WIDE_INT and not int.
5726         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
5727         CONST_OK_FOR_N): Likewise.
5728         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
5729         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
5730         an INTVAL.
5732 2007-01-10  Jan Hubicka  <jh@suse.cz>
5734         * tree-vrp.c (remove_range_assertions): Release defs.
5735         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
5736         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5738 2007-01-10  Paul Brook  <paul@codesourcery.com>
5740         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5741         * config/arm/arm.md (mulsi3subsi): New insn.
5743 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
5745         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5746         (tree_transform_and_unroll_loop): New.
5747         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5748         Declare.
5750 2007-01-10  Robert Kennedy <jimbob@google.com>
5752         * fold-const.c (fold_comparison): Fold comparisons like (x *
5753         1000 < 0) to (x < 0).
5755 2007-01-10  Ian Lance Taylor  <iant@google.com>
5757         * tree-pretty-print.c (dump_generic_node): Print parentheses when
5758         operands have the same priority.
5760 2007-01-10  Tom Tromey  <tromey@redhat.com>
5762         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5763         (fold_binary): Likewise.
5764         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5765         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5766         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5767         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5768         * langhooks.h (struct lang_hooks): Removed field
5769         'can_use_bit_fields_p'.
5771 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
5773         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5775 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
5777         * function.c (get_last_funcdef_no): New function.
5778         * function.h (get_last_funcdef_no): Declare.
5779         * tree-inline.c (initialize_cfun): Add initialization.
5780         (tree_function_versioning): Cleanup.
5782 2007-01-10  Jan Hubicka  <jh@suse.cz>
5784         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5785         PHIs.
5787 2007-01-10  Sa Liu  <saliu@de.ibm.com>
5788             Ben Elliston  <bje@au.ibm.com>
5790         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5791         for SAVE_NONLOCAL and Pmode for any other save level.
5792         * spu-protos.h (spu_restore_stack_block): Declare.
5793         * spu.md (save_stack_block): Remove.
5794         (restore_stack_block): Call spu_restore_stack_block.
5795         * spu.c (spu_restore_stack_block): New function.
5796         (spu_expand_epilogue): Remove old comment.
5798 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
5800         PR tree-optimization/30322
5801         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5802         (cand_value_at): Return the value as aff_tree.
5803         (may_eliminate_iv): Convert the bound from aff_tree to tree.
5804         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5805         aff_combination_mult): New functions.
5806         (aff_combination_add): Use aff_combination_add_cst.
5807         (aff_combination_convert): Allow conversions to a wider type.
5808         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5809         * tree-affine.h (aff_combination_mult): Declare.
5811 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
5813         * doc/tm.texi: Update documentation to reflect reality of exec
5814         and start file search behaviours. Update copyright year.
5815         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5816         header file directories.
5818 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
5820         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5821         (*cosxf2): Rename to cosxf2_i387.
5822         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
5823         using X87MODEF12 mode macro. Rename patterns to
5824         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
5825         for SSE math.
5826         (*cosdf2, *cossf2): Ditto.
5827         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
5828         to match extended input operands.
5829         (sincos<mode>3): New expander.
5830         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
5831         insn patterns and corresponding splitters.
5833 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5835         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
5836         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
5838 2007-01-09  Nicolas Pitre  <nico@cam.org>
5840         PR target/30173
5841         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
5843 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5845         * target.h (struct gcc_target): New field library_rtti_comdat.
5846         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
5847         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
5848         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
5849         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
5851 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5853         * doc/invoke.texi (Optimize Options): Correct description of -O0.
5855 2007-01-08  Richard Guenther  <rguenther@suse.de>
5857         * tree.h (force_fit_type_double): Export.
5858         (force_fit_type): Remove.
5859         * fold-const.c (force_fit_type_double): New function.
5860         (force_fit_type): Remove.
5861         (int_const_binop): Use it.
5862         (fold_convert_const_int_from_int): Likewise.
5863         (fold_convert_const_int_from_real): Likewise.
5864         (fold_div_compare): Likewise.
5865         (fold_sign_changed_comparison): Likewise.
5866         (fold_unary): Likewise.
5867         (fold_negate_const): Likewise.
5868         (fold_abs_const): Likewise.
5869         (fold_not_const): Likewise.
5870         * c-common.c (shorten_compare): Use force_fit_type_double.
5871         * convert.c (convert_to_pointer): Likewise.
5873 2007-01-08  Richard Guenther  <rguenther@suse.de>
5875         * tree.h (build_int_cst_wide_type): Export.
5876         * tree.c (build_int_cst_wide_type): New function.
5877         (build_int_cst_wide): Fix comment.
5878         * builtins.c (fold_builtin_object_size): Use build_int_cst
5879         to build -1 or 0 of the correct type.  Use fit_double_type
5880         to check for overflow.
5881         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
5882         to build the mask.
5883         (decode_field_reference): Likewise.
5884         (all_ones_mask_p): Likewise.
5885         (native_interpret_int): Use build_int_cst_wide_type.
5886         (fold_binary): Use build_int_cst_type to build an all-ones
5887         value.
5888         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
5890 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
5892         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
5894 2007-01-09  Ben Elliston  <bje@au.ibm.com>
5896         * genautomata.c (STATS_OPTION): New option.
5897         (stats_flag): New flag.
5898         (gen_automata_option): Handle it.
5899         (initiate_automaton_gen): Ditto.
5900         (write_automata): Output statistics only if stats_flag is
5901         set. Likewise, output time statistics only if time_flag is set.
5902         * doc/md.texi (Processor pipeline description): Document new flag.
5904 2007-01-08  Richard Guenther  <rguenther@suse.de>
5906         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
5907         * tree.c (build_int_cst_type): Likewise.
5908         (size_in_bytes): Don't call force_fit_type on the result.
5909         (int_fits_type_p): Use fit_double_type.
5910         * fold-const.c (fit_double_type): New function.
5911         (force_fit_type): Use it.
5912         * tree.h (fit_double_type): Export.
5914 2007-01-08  Jan Hubicka  <jh@suse.cz>
5916         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
5917         * ipa.c (function_and_variable_visibility): Fix return type.
5919 2007-01-08  Richard Guenther  <rguenther@suse.de>
5921         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
5922         of offset to build the index.
5923         * tree-pretty-print.c (dump_generic_node): Don't build negated
5924         const just for printing.
5925         * c-pretty-print.c (pp_c_integer_constant): Likewise.
5926         * builtins.c (fold_builtin_int_roundingfn): Check if result
5927         fits the type by using force_fit_type and comparing the result.
5928         * predict.c (predict_loops): Use compare_tree_int for comparison.
5929         * tree.c (build_int_cst): Fall back to integer_type_node for
5930         NULL_TREE type.
5931         (build_int_cst_wide): Assert type is non-null.
5933 2007-01-08  Roberto Costa  <roberto.costa@st.com>
5935         * tree-vrp.c (extract_range_from_cond_expr): New.
5936         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
5937         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
5938         as expressions.
5939         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
5940         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
5941         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
5942         used as expressions.
5943         * tree-object-size.c (cond_expr_object_size): New.
5944         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
5946 2007-01-08  Jan Hubicka  <jh@suse.cz>
5948         * tree-ssa-forwprop.c (forward_propagate_into_cond,
5949         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
5950         statement.
5952 2007-01-08  Richard Guenther  <rguenther@suse.de>
5954         PR tree-optimization/23603
5955         * tree-vrp.c (set_value_range_to_truthvalue): New function.
5956         (extract_range_from_binary): Fall back to truthvalue instead of
5957         varying for TRUTH_*_EXPR.
5958         (extract_range_from_comparison): Fall back to truthvalue instead of
5959         varying.
5960         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
5961         if all visited PHI values were constant.
5963 2007-01-08  Jan Hubicka  <jh@suse.cz>
5965         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
5966         (cgraph_analyze_function): break out from ...
5967         (cgraph_finalize_compilation_unit): ... here.
5968         (cgraph_expand_function): Remove forgoten commented out line.
5969         (cgraph_optimize): Analyze functions.
5971 2007-01-08  Jan Hubicka  <jh@suse.cz>
5973         * tree-pas.h (TODO_remove_function): New flag.
5974         (TODO_update*): Renumber.
5975         (pass_ipa_increase_alignment,
5976         pass_ipa_function_and_variable_visibility): New passes.
5977         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
5978         (cgraph_function_and_variable_visibility): Move to ipa.c
5979         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
5980         cgraph_increase_alignment.
5981         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
5982         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
5983         calling tree-inline.
5984         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
5985         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
5986         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
5987         (gate_increase_alignment): New function.
5988         (pass_ipa_increase_alignment): New pass.
5989         * ipa.c: Inline tree-pass.h and timevar.h
5990         (function_and_variable_visibility): Move here from cgraphunit.c
5991         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
5992         * passes.c (init_optimization_passes): Add the two new passes.
5993         (execute_todo): Handle cgraph_remove_functions.
5995 2007-01-08  Nick Clifton  <nickc@redhat.com>
5997         * config/frv/predicates.md (reg_or_0_operand): Accept
5998         CONST_DOUBLEs.
6000 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
6002         * config/bfin/rtems.h, config/bfin/t-rtems: New.
6003         * config.gcc: Add bfin*-rtems*.
6005 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
6007         * c.opt: Add -flax-vector-conversions.
6008         * c-typeck.c (convert_for_assignment): Pass flag to
6009         vector_types_convertible_p to allow emission of note.
6010         (digest_init): Likewise.
6011         * c-opts.c: Handle -flax-vector-conversions.
6012         * c-common.c (flag_lax_vector_conversions): New.
6013         (vector_types_convertible_p): Unless -flax-vector conversions
6014         has been passed, disallow conversions between vectors with
6015         differing numbers of subparts and/or element types.  If such
6016         a conversion is disallowed, possibly emit a note on the first
6017         occasion only to inform the user of -flax-vector-conversions.
6018         The new last argument specifies this.
6019         * c-common.h (flag_lax_vector_conversions): New.
6020         (vector_types_convertible_p): Add extra argument.
6021         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
6022         char_type_node for V*QI type vectors.
6023         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
6024         Update to satisfy new typechecking rules.
6025         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
6026         C and C++ variants.
6027         * doc/invoke.texi (C Dialect Options): Document
6028         -flax-vector-conversions.
6030 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
6032         PR tree-optimization/29877
6033         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
6034         a register variable on the RHS to not be replaceable.
6036 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
6037         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
6038         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
6039         const_simm15, const_pow2, const_npow2): Added.
6040         * config/score/misc.md (insv, extv, extzv, movmemsi,
6041         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
6042         * config/score/score.c (score_address_cost, score_select_cc_mode):
6043         Added.
6044         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
6045         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
6046         Update score_print_operand.
6047         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
6048         Adjust register allocate order and update some macro define.
6049         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
6050         mdx_block_move_straight, mdx_block_move_loop_head,
6051         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
6052         mdx_block_move): Added.
6053         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
6054         mdp_limm): Updated and fix some bug and typo.
6055         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
6056         (movsf, movdf, doloop_end): Added.
6058 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
6060         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
6061         config/arm/thumb2.md: Fix comment typos.
6062         * doc/extend.texi: Fix a typo.
6064 2007-01-07  Eric Christopher  <echristo@apple.com>
6066         * configure.ac: Check for __stack_chk_fail for darwin.
6067         * configure: Regenerate.
6069 2007-01-07  Richard Guenther  <rguenther@suse.de>
6071         * tree-vrp.c (extract_range_from_assert): CSE calls to
6072         compare_values where possible.
6073         (extract_range_from_unary_expr): Likewise.
6075 2007-01-07  Anatoly Sokolov <aesok@post.ru>
6077         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
6078         * config/avr/avr.c (call_insn_operand): Delete function.
6079         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
6080         instead of register number. Use predicates.
6081         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
6082         call_insn_operand): Add.
6084 2007-01-06  Jan Hubicka  <jh@suse.cz>
6086         * tree-pass.h (pass_build_cgraph_edges): Declare.
6087         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
6088         (visited_nodes): Remove.
6089         (cgraph_create_edges): Move to cgraphbuild.c; rename to
6090         build_cgrpah_edges; make visited_nodes local.
6091         (cgraph_process_new_functions): DO not call initialize_inline_failed.
6092         (record_references_in_initializer): Move to cgraphbuild.c
6093         (initialize_inline_failed, rebuild_cgraph_edges,
6094         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
6095         (verify_cgraph_node): Make visited_nodes local.
6096         (cgraph_analyze_function): Do not call cgraph_create_edges and
6097         initialize_inline_failed.
6098         (cgraph_expand_function): Do not call cgraph_lower_function;
6099         assert that function is already lowered.
6100         * Makefile.in (cgraphbuild.o): New.
6101         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
6102         at the end of lowering passes.
6104 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
6106         * ifcvt.c (cond_move_convert_if_block): New function, code
6107         factored out from...
6108         (cond_move_process_if_block): ...here.  Call the new function
6109         on the THEN and ELSE blocks.
6110         (merge_if_block): Do not copy global_live_at_end, merge_blocks
6111         already takes care of this.
6113 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6115         PR c/19978
6116         * tree.h (TREE_OVERFLOW_P): New.
6117         * c-typeck.c (parser_build_unary_op): Warn only if result
6118         overflowed and operands did not.
6119         (parser_build_binary_op): Likewise.
6120         (convert_for_assignment): Remove redundant overflow_warning.
6121         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
6123 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6125         * c-typeck.c (store_init_value): Split over two lines to follow
6126         the GNU coding style.
6128 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
6130         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
6131         __GXX_EXPERIMENTAL_CXX0X__.
6132         * doc/cpp.texi: Same.
6134 2007-01-05  Richard Guenther  <rguenther@suse.de>
6136         PR middle-end/27826
6137         * tree.c (get_narrower): Do not construct COMPONENT_REFs
6138         with mismatched types.  Instead explicitly build a
6139         conversion NOP_EXPR.
6141 2007-01-05  Ian Lance Taylor  <iant@google.com>
6143         * c-common.c (decl_with_nonnull_addr_p): New function.
6144         (c_common_truthvalue_conversion): Call it.
6145         * c-typeck.c (build_binary_op): Likewise.
6146         * c-common.h (decl_with_nonnull_addr_p): Declare.
6148 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
6150         PR c/30360
6151         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
6152         denom against 0.0.
6154 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
6156         * doc/install.texi (Final install): Document the fact that
6157         the GNAT runtime should not be stripped.
6159 2007-01-04  Jan Hubicka  <jh@suse.cz>
6161         * tree-inline.c (fold_marked_statements): Update operand caches
6162         and EH after folding
6164 2007-01-04  Ian Lance Taylor  <iant@google.com>
6166         * c-common.c (check_function_nonnull): Whitespace fix.
6168 2007-01-04  Jan Hubicka  <jh@suse.cz>
6170         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
6171         comitted older version of patch.
6172         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
6173         function, celanup cfg and collect garbage.
6175 2007-01-04  Mike Stump  <mrs@apple.com>
6177         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
6178         (clean): Likewise.
6180 2007-01-04  Eric Christopher  <echristo@apple.com>
6182         * libgcc2.c (__bswapsi2): Use SItype.
6183         (__bswapdi2): Use DItype.
6184         * libgcc2.h: Update for above.
6186 2007-01-04  Paul Brook  <paul@codesourcery.com>
6188         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
6189         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
6190         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
6191         umulsidi3, umulsidi3adddi, smulsi3_highpart,
6192         umulsi3_highpart): Make conditional on !arm_arch6.
6193         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
6194         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
6195         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
6196         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
6197         umulsi3_highpart_v6): New insns.
6199 2007-01-04  Roger Sayle  <roger@eyesopen.com>
6201         * fold-const.c (fold_convert): When casting an expression to void,
6202         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
6203         have a type.  Instead of attempting to build a NOP_EXPR, return
6204         these "special" trees directly.
6206 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
6208         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
6209         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
6210         rs6000_cost->fp not 0 as adjustment for outer NEG.
6212 2007-01-04  Jan Hubicka  <jh@suse.cz>
6214         * cgraph.c (cgraph_release_function_body): New function.
6215         (cgraph_remove_node): Use it.
6216         * cgraph.h (cgraph_release_function_body): Declare.
6217         * cgraphunit.c (cgraph_expand_function): Use it.
6218         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
6219         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
6220         is initialized and while compilation of other function is running.
6221         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
6222         statement CFG annotations from here to ...
6223         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
6225 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
6227         * cfgloop.h (enum li_flags): Make the constants powers of two.
6229 2007-01-04  Jan Hubicka  <jh@suse.cz>
6231         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
6232         set.
6233         (fold_marked_statements): New function.
6234         (optimize_inline_calls, tree_function_versioning): Fold new statements.
6235         * tree-inline.h (copy_body_data): Add statements_to_fold.
6237 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
6239         * config.gcc: Mention libgcc/config.host.
6240         * Makefile.in: Update comments mentioning libgcc.
6241         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
6242         (all.cross, start.encap, rest.encap, rest.cross): Update
6243         dependencies for libgcc move.
6244         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
6245         (clean-target, clean-target-libgcc): Delete.
6246         (srcdirify, GCC_EXTRA_PARTS): New macros.
6247         (libgcc-support, libgcc.mvars): New rules.
6248         (distclean): Remove mention of mklibgcc.
6249         (install): Don't reference INSTALL_LIBGCC.
6250         (install-common): Don't reference EXTRA_PARTS.
6251         (install-libgcc, install-multilib): Delete rules.
6252         * mklibgcc.in: Delete file.
6253         * doc/configfiles.texi: Don't mention mklibgcc.
6255         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
6256         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
6257         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
6258         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
6259         (mklibgcc, ldblspecs): Likewise.
6261         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
6262         (posixpre.def): Use $(T).
6263         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
6264         (SHLIB_SRC, SHLIB_INSTALL): Delete.
6265         (SHLIB_LINK): Make dummy.
6266         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
6268         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
6270         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
6271         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
6272         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
6273         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
6275         * configure.ac (all_outputs): Remove mklibgcc.
6276         * configure: Regenerated.
6278 2007-01-03  Josh Conner  <jconner@apple.com>
6280         PR middle-end/29683
6281         * calls.c (compute_argument_addresses): Set stack and stack_slot
6282         for partial args, too.
6283         (store_one_arg): Use locate.size.constant for the size when
6284         generating a save_area.
6286 2007-01-03  Robert Kennedy <jimbob@google.com>
6288         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
6289         whose definitions are deleted due to basic block merging.
6291 2007-01-03  Paul Brook  <paul@codesourcery.com>
6293         PR target/16634
6294         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
6295         functions.
6296         (use_return_insn): Return 0 for Thumb interrupt functions.
6297         (print_multi_reg): Add rfe argument for IRQ returns.
6298         (arm_output_epilogue): Pop interrupt return address directly into PC.
6299         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
6301 2007-01-03  Paul Brook  <paul@codesourcery.com>
6303         Merge from sourcerygxx-4_1.
6304         * config/arm/thumb2.md: New file.
6305         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
6306         Thumb-2.
6307         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
6308         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6309         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
6310         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
6311         tables.
6312         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6313         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
6314         comptibility.
6315         * config/arm/ieee754-sf.S: Ditto.
6316         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
6317         (thumb1_base_register_rtx_p): ... to this.
6318         (thumb_index_register_rtx_p): Rename...
6319         (thumb1_index_register_rtx_p): ... to this.
6320         (thumb_output_function_prologue): Rename...
6321         (thumb1_output_function_prologue): ... to this.
6322         (thumb_legitimate_address_p): Rename...
6323         (thumb1_legitimate_address_p): ... to this.
6324         (thumb_rtx_costs): Rename...
6325         (thumb1_rtx_costs): ... to this.
6326         (thumb_compute_save_reg_mask): Rename...
6327         (thumb1_compute_save_reg_mask): ... to this.
6328         (thumb_final_prescan_insn): Rename...
6329         (thumb1_final_prescan_insn): ... to this.
6330         (thumb_expand_epilogue): Rename...
6331         (thumb1_expand_epilogue): ... to this.
6332         (arm_unwind_emit_stm): Rename...
6333         (arm_unwind_emit_sequence): ... to this.
6334         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
6335         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
6336         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
6337         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
6338         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
6339         thumb2_output_casesi): New functions.
6340         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
6341         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
6342         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
6343         THUMB2_WORK_REGS): Define.
6344         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
6345         arm_condexec_mask, arm_condexec_masklen)): New variables.
6346         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
6347         (arm_override_options): Check new CPU capabilities.
6348         Set new architecture flag variables.
6349         (arm_isr_value): Handle v7m interrupt functions.
6350         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
6351         Thumb-2.
6352         (const_ok_for_arm): Handle Thumb-2 constants.
6353         (arm_gen_constant): Ditto.  Use movw when available.
6354         (arm_function_ok_for_sibcall): Return false for v7m interrupt
6355         functions.
6356         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
6357         (thumb_find_work_register, arm_load_pic_register,
6358         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
6359         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
6360         print_multi_reg, output_mov_long_double_fpa_from_arm,
6361         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
6362         output_mov_double_fpa_from_arm, output_move_double,
6363         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
6364         output_return_instruction, arm_output_function_prologue,
6365         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
6366         arm_output_mi_thunk, thumb_set_return_address): Ditto.
6367         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
6368         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
6369         (arithmetic_instr, shift_op): Use arm_shift_nmem.
6370         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
6371         '!' and 'L'.
6372         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
6373         (thumb_expand_prologue): Use thumb_set_frame_pointer.
6374         (arm_file_start): Output directive for unified syntax.
6375         (arm_unwind_emit_set): Handle stack alignment instruction.
6376         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
6377         Add v6t2, v7, v7a, v7r and v7m.
6378         (RETLDM): Add Thumb-2 code.
6379         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
6380         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
6381         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
6382         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
6383         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
6384         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
6385         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
6386         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
6387         ADJUST_INSN_LENGTH): Define.
6388         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
6389         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
6390         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
6391         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
6392         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6393         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
6394         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
6395         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
6396         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
6397         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
6398         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
6399         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
6400         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
6401         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
6402         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
6403         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
6404         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
6405         cortex-m3.
6406         * config/arm/arm-tune.md: Regenerate.
6407         * config/arm/arm-protos.h: Update prototypes.
6408         * config/arm/vfp.md: Enable patterns for Thumb-2.
6409         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
6410         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
6411         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
6412         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
6413         * config/arm/libunwind.S: Add Thumb-2 code.
6414         * config/arm/constraints.md: Update include Thumb-2.
6415         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
6416         * config/arm/ieee754-df.S: Ditto.
6417         * config/arm/bpabi.S: Ditto.
6418         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
6419         * config/arm/predicates.md (low_register_operand,
6420         low_reg_or_int_operand, thumb_16bit_operator): New.
6421         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
6422         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
6423         * config/arm/t-arm-elf: Add armv7 multilib.
6424         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
6425         Include thumb2.md.
6426         (UNSPEC_STACK_ALIGN, ce_count): New.
6427         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
6428         arm_zero_extendsidi2, arm_zero_extendqidi2): New
6429         insns/expanders.
6430         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
6431         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
6432         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
6433         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
6434         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
6435         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
6436         insns.
6437         * doc/extend.texi: Document ARMv7-M interrupt functions.
6438         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
6440 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
6442         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
6443         (struct _Unwind_Context): Rename args_size to flags, remove
6444         signal_frame field, add a new args_size field and version field.
6445         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
6446         _Unwind_IsExtendedContext): New inline functions.
6447         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6448         Assume by_value array is only present if _Unwind_IsExtendedContext.
6449         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
6450         _Unwind_IsSignalFrame.
6451         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
6452         (uw_update_context_1): Use _Unwind_SetSignalFrame.
6453         (uw_init_context_1): Initialize context->flags to
6454         EXTENDED_CONTEXT_BIT.
6455         * config/rs6000/linux-unwind.h (frob_update_context): Use
6456         _Unwind_SetSignalFrame.
6458 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6460         PR middle-end/30353
6461         * gimplify.c (gimplify_modify_expr_complex_part): Move below
6462         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
6463         the value.
6465 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
6467         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
6468         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
6469         RET, AT_SP): Remove.
6470         * config/i386/i386.md (*sse_prologue_save_insn): Use return
6471         instead of RET.
6473         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6474         * cfgbuild.c (find_basic_blocks): Likewise.
6475         * cfgrtl.c (rtl_create_basic_block): Likewise.
6476         * function.c (temp_slots_at_level): Likewise.
6477         * reg-stack.c (stack_regs_mentioned): Likewise.
6478         * regclass.c (allocate_reg_info): Likewise.
6479         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6480         set_bb_for_stmt, move_block_to_fn): Likewise.
6481         * tree-complex.c (tree_lower_complex): Likewise.
6482         * vec.h (VEC_safe_grow_cleared): New.
6484         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
6486 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
6488         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
6489         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
6490         to loop_version.
6491         * cfgloopmanip.c (scale_loop_frequencies): Export.
6492         (loopify): Scale the frequencies by prescribed coefficients.
6493         (set_zero_probability): New function.
6494         (duplicate_loop_to_header_edge): Improve updating of frequencies.
6495         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
6496         and frequencies according to arguments.
6497         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
6498         correctly.
6499         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
6500         * modulo-sched.c (sms_schedule): Set probabilities for entering
6501         versioned loop correctly.
6502         * tree-vect-transform.c (vect_transform_loop): Ditto.
6503         * cfgloop.h (loopify, loop_version): Declaration changed.
6504         (scale_loop_frequencies): Declared.
6506 2007-01-02  Jan Hubicka  <jh@suse.cz>
6508         * cgraph.c: Include tree-flow.h
6509         (cgraph_add_new-function): Handle IPA_SSA mode; execute
6510         early_local_passes.
6511         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
6512         * tree-pass.h (pass_all_early_optimizations): Declare.
6513         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
6514         early_local_passes.
6515         (cgraph_analyze_function): Do early_local_passes.
6516         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6517         Do not add referenced vars.
6518         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
6519         SSA form.
6520         (gate_all_early_local_passes): New gate.
6521         (pass_early_local_passes): Use new gate.
6522         (execute_early_local_optimizations): New functions.
6523         (gate_all_early_optimizations): New gate.
6524         (pass_all_early_optimizations): New pass.
6525         (execute_free_datastructures): Free SSA only when initialized.
6526         (gate_init_datastructures): Init only when optimizing.
6527         (tree_lowering_passes): Do early local passes when called late.
6528         * tree-profile.c (do_tree_profiling): Don't profile functions added
6529         late.
6530         (do_early_tree_profiling, pass_early_tree_profile): Kill.
6531         * tree-cfg.c (update_modified_stmts): Do not update when operands are
6532         not active.
6533         * passes.c (init_optimizations_passes): Reorder so we go into SSA
6534         during early_local_passes.
6535         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
6538 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6540         * Makefile.in: Update copyright year.
6542 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6544         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
6545         in $(lang_checks) and check-consistency targets.
6547 2007-01-02  Jan Hubicka  <jh@suse.cz>
6549         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6550         Do not add referenced vars.
6551         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
6552         are not active.
6553         * passes.c (init_optimization_passes): Put mudflap_2 after
6554         free_datastructures.
6556 2007-01-02  Jan Hubicka  <jh@suse.cz>
6558         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
6559         Set NOTHROW flag on call statements proved to be nothrow.
6560         Update statement of local calls so new pure/const functions are
6561         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
6562         goto receivers.
6563         (tree_rest_of_compilation): Register hooks and initialize bitmap
6564         early. Do not set after_inlining flag.
6566 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
6568         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
6569         HOST_BITS_PER_LONGLONG
6571 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6573         PR c/19977
6574         * c-typeck.c (store_init_value): Don't emit pedantic overflow
6575         warning for non-static initializers.
6577 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
6579         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
6580         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
6581         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
6582         Always use set_unique_reg_note to add REG_EQUAL notes.
6584 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6586         Revert:
6587         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6589         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6590         * cfgbuild.c (find_basic_blocks): Likewise.
6591         * cfgrtl.c (rtl_create_basic_block): Likewise.
6592         * function.c (temp_slots_at_level): Likewise.
6593         * reg-stack.c (stack_regs_mentioned): Likewise.
6594         * regclass.c (allocate_reg_info): Likewise.
6595         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6596         set_bb_for_stmt, move_block_to_fn): Likewise.
6597         * tree-complex.c (tree_lower_complex): Likewise.
6598         * vec.h (VEC_safe_grow_cleared): New.
6600 2007-01-02  Ian Lance Taylor  <iant@google.com>
6602         * c-common.c (c_common_truthvalue_conversion): When warning about
6603         using an assignment as a truth value, set TREE_NO_WARNING.
6605 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6607         PR middle-end/7651
6608         * c.opt (Wold-style-declaration): New.
6609         * doc/invoke.texi (C-only Warning Options): New.
6610         (Wold-style-declaration): Document it.
6611         (Wextra): Enabled by -Wextra.
6612         * c-opts.c (c_common_post_options): Enabled by -Wextra.
6613         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
6614         -Wold-style-declaration.
6616 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6618         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6619         * cfgbuild.c (find_basic_blocks): Likewise.
6620         * cfgrtl.c (rtl_create_basic_block): Likewise.
6621         * function.c (temp_slots_at_level): Likewise.
6622         * reg-stack.c (stack_regs_mentioned): Likewise.
6623         * regclass.c (allocate_reg_info): Likewise.
6624         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6625         set_bb_for_stmt, move_block_to_fn): Likewise.
6626         * tree-complex.c (tree_lower_complex): Likewise.
6627         * vec.h (VEC_safe_grow_cleared): New.
6629 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
6631         * c-common.c (c_common_nodes_and_builtins): Since variants of
6632         void_type_node get built before it is given a name, we need to
6633         give those variants the name, too.
6634         (complete_array_type): We need to work with the canonical main
6635         type of the array, from which we will build the qualified version.
6636         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
6637         * print-tree.c (print_node): Display canonical type information
6638         for each type.
6639         * stor-layout.c (layout_type): When we don't know the
6640         alignment of a type for which we're building an array, we end up
6641         guessing wrong, so make the type require structural equality.
6642         * tree.c (make_node_stat): When we build a new type, it is its
6643         own canonical type.
6644         (build_type_attribute_qual_variant): When building an attribute
6645         variant, its canonical type is the non-attribute variant. However,
6646         if the attributes are target-dependent and they differ, we need to
6647         use structural equality checks for this type.
6648         (build_qualified_type): A qualified type is not equivalent to its
6649         unqualified variant; set the canonical type appropriately.
6650         (build_distinct_type_copy): When building a distinct type from
6651         another type, the new type is its own canonical type.
6652         (build_variant_type_copy): When building a new type variant, we
6653         assume that it is equivalent to the original type.
6654         (build_pointer_type_for_mode): When building a pointer type, also
6655         build a canonical type pointer.
6656         (build_reference_type_for_mode): When building a reference type,
6657         also build a canonical type reference.
6658         (build_index_type): When we can't hash an index type (e.g.,
6659         because its maximum value is negative), the index type requires
6660         structural equality tests.
6661         (build_array_type): Build the canonical form of an array type.
6662         (build_function_type): Function types require structural equality,
6663         because they contain default arguments, attributes, etc.
6664         (build_method_type_directly): Ditto for method types.
6665         (build_offset_type): Build the canonical offset type.
6666         (build_complex_type): Build the canonical vector type.
6667         (make_vector_type): Build the canonical vector type.
6668         * tree.h (TYPE_CANONICAL): New.
6669         (TYPE_STRUCTURAL_EQUALITY_P): New.
6670         (SET_TYPE_STRUCTURAL_EQUALITY): New.
6671         (struct tree_type): Added "canonical" field.
6672         * params.h (VERIFY_CANONICAL_TYPES): New.
6673         * doc/c-tree.texi (TYPE_CANONICAL): Document.
6674         (TYPE_STRUCTURAL_EQUALITY_P): Document.
6675         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
6676         * doc/invoke.texi (verify-canonical-types): Document --param
6677         parameter for verifying canonical types.
6679 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6681         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
6682         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
6683         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
6684         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
6685         tm_file.
6686         * config/rs6000/e500.h: New.
6687         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
6688         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
6689         Remove.
6690         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
6691         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
6692         TARGET_E500_DOUBLE): Remove.
6693         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
6694         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
6695         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
6696         * config/rs6000/rs6000.c (rs6000_override_options): Use
6697         CHECK_E500_OPTIONS.
6699 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6701         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
6702         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
6703         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
6704         rs6000_emit_cmove): Don't check TARGET_E500.
6705         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
6706         sordered): Don't check TARGET_E500.
6708 2007-01-01  Eric Christopher  <echristo@apple.com>
6710         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
6711         HARD_REGISTER_NUM_P.
6713 2007-01-01  Roger Sayle  <roger@eyesopen.com>
6715         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
6716         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
6717         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
6718         eq/ne Y".
6720 2007-01-01  Mike Stump  <mrs@apple.com>
6722         * configure.ac: Remove support for building with Apple's gcc-3.1.
6724 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6726         PR middle-end/30311
6727         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
6728         REG is a hard register.  Do not modify REG before calling
6729         subreg_nregs.
6730         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
6731         multiple of the size of YMODE for certain lowpart cases.
6733 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6735         PR middle-end/30253
6736         * gimplify (voidify_wrapper_expr): Update for
6737         GIMPLE_MODIFY_STMT.
6739 2007-01-01  Andreas Schwab  <schwab@suse.de>
6741         PR target/29166
6742         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6743         save of BR0 in extra_spill_size instead of spill_size.
6744         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6745         area.
6746         (ia64_expand_epilogue): Restore BR0 from its new location.
6748 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6750         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6751         Use a temporary variable if the left hand side is not a gimple
6752         register.
6754 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6756         * gimplify.c (gimplify_return_expr): Make the temporary variable
6757         for the return expression, a gimple register variable.
6759 2007-01-01  Jan Hubicka  <jh@suse.cz>
6761         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6762         INSN_LIST.
6764 2007-01-01  Mike Stump  <mrs@apple.com>
6766         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6767         .literal16.
6768         * config/darwin.c (machopic_select_rtx_section): Use
6769         HAVE_GAS_LITERAL16.
6770         (darwin_mergeable_constant_section): Likewise.
6771         * configure: Regenerate.
6772         * config.in: Regenerate.
6774 2007-01-01  Jan Hubicka  <jh@suse.cz>
6775             Andrew Pinski  <pinskia@gmail.com>
6777         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6778         before starting IPA passes.