gcc/ChangeLog ---------------------------------------------------------
[official-gcc.git] / gcc / ChangeLog
blob82cb08d8bc75353b50fa06a67f8ca02ec49f39a3
1 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
3         * doc/include/gcc-common.texi (versionsubtitle): New macro.
4         * doc/cpp.texi: Standardize title page.
5         * doc/cppinternals.texi: Likewise.
6         * doc/gcc.texi: Standardize title page, remove version number
7         from copyright page.
8         * doc/gccint.texi: Likewise.
9         * doc/install.texi: Standardize title page, add table of
10         contents.
12 2007-02-26  Jan Hubicka  <jh@suse.cz>
14         * predict.def: Set outcomes according to more recent results.
15         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
16         Remove dead predictors.
17         * predict.c (return_prediction): Fix pasto.
19 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
21         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
22         change; avoid a memory leak when returning early.
23         
24 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
26         * c-decl.c (static_ctors): Move to c-common.c.
27         (static_dtors): Likewise.
28         (finish_function): Use c_record_cdtor_fn.
29         (build_cdtor): Move to c-common.c.
30         (c_write_global_declarations): Use c_build_cdtor_fns.
31         * c-common.h (static_ctors): Declare.
32         (static_dtors): Likewise.
33         (c_record_cdtor_fn): Likewise.
34         (c_build_cdtor_fns): Likewise.
35         * c-common.c (static_ctors): New variable.
36         (static_dtors): Likewise.
37         (c_record_cdtor_fn): New function.
38         (build_cdtor): Move from c-decl.c
39         (c_build_cdtor_fns): New function.
41         * output.h (assemble_addr_to_section): Declare.
42         (get_cdtor_priority_section): Likewise.
43         * varasm.c (assemble_addr_to_section): New function.
44         (get_cdtor_priority_section): Likewise.
45         (default_named_section_asm_out_destructor): Use them.
46         (destor_dtor_section_asm_out_destructor): Likewise.
47         (default_named_section_asm_out_constructor): Likewise.
48         (default_ctor_section_asm_out_constructor): Likewise.
49         * config.gcc (*-*-vxworks*): Include vxworks.o.
50         * config/t-vxworks (vxworks.o): New target.
51         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
52         (TARGET_ASM_CONSTRUCTOR): Define.
53         (TARGET_ASM_DESTRUCTOR): Likewise.
54         (vxworks_asm_out_constructor): Declare.
55         (vxworks_asm_out_destructor): Likewise.
57         * c-common.c (get_priority): Check that we have not just an
58         INTEGER_CST, but an integer constant with integeral type.
60 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
62         PR tree-optimization/30938
63         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
64         use &dt[nargs-1] instead of &dt[nargs] in the call to
65         vect_is_simple_use().
67 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
69         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
70         from register elimination as PRE_MODIFY / POST_MODIFY increments.
71         Do not attempt to handle MEM inside auto-inc expressions.
72         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
73         of a register modified by an auto-inc expression.  However, do handle
74         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
75         (elimination_effects): Prohibit elimination of a register modified
76         by an auto-inc expression.  Disable register elimination rules whose
77         target register is modified by an auto-inc expression with variable
78         increment.
80 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
82         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
83         off-by-one error.
84         (array_at_struct_end_p): New function.
85         (idx_infer_loop_bounds): Use it.
86         (estimate_numbers_of_iterations_loop): Export.
87         * predict.c (predict_loops): Use estimated_loop_iterations_int.
88         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
89         (tree_estimate_probability): Call record_loop_exits.
90         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
91         (estimated_loop_iterations, estimated_loop_iterations_int,
92         estimated_loop_iterations_tree): New functions.
93         (analyze_siv_subscript_cst_affine,
94         compute_overlap_steps_for_affine_1_2,
95         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
96         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
97         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
98         (PRED_LOOP_ITERATIONS_GUESSED): New.
99         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
100         * cfgloop.h (estimate_numbers_of_iterations_loop,
101         estimated_loop_iterations_int): Declare.
103 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
105         * doc/extend.texi: Document optional priority argument to
106         constructors and destructors.
107         * tree.c (init_priority_for_decl): Adjust GTY markers.
108         (init_ttree): Use priority-info hash functions for
109         init_priority_for_decl.
110         (tree_map_eq): Rename to ...
111         (tree_map_base_eq): ... this.
112         (tree_map_marked_p): Rename to ...
113         (tree_map_base_marked_p): ... this.
114         (tree_map_base_hash): New function.
115         (decl_init_priority_lookup): Rework.
116         (decl_fini_priority_lookup): New function.
117         (decl_priority_info): New function.
118         (decl_init_priority_insert): Use it.
119         (decl_fini_priority_insert): Likewise.
120         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
121         hierarchy.
122         (decl_restrict_base_insert): Likewise.
123         (decl_debug_expr_insert): Likewise.
124         (decl_value_expr_lookup): Likewise.
125         (decl_value_expr_insert): Likewise.
126         * tree.h (priority_type): New type.
127         (decl_init_priority_lookup): Use priority_type.
128         (decl_fini_priority_lookup): New function.
129         (decl_init_priority_insert): Use priority_type.
130         (decl_fini_priority_insert): New function.
131         (DECL_HAS_INIT_PRIORITY): Tweak comments.
132         (DECL_INIT_PRIORITY): Likewise.
133         (SET_DECL_INIT_PRIORITY): Add comment.
134         (DECL_FINI_PRIORITY): New macro.
135         (SET_DECL_FINI_PRIORITY): Likewise.
136         (DEFAULT_INIT_PRIORITY): Document.
137         (MAX_INIT_PRIORITY): Likewise.
138         (MAX_RESERVED_INIT_PRIORITY): Likewise.
139         (tree_map_base): New type.
140         (tree_map_base_eq): New function.
141         (tree_map_base_hash): Likewise.
142         (tree_map_base_marked_p): Likewise.
143         (tree_map): Inherit from tree_map_base.
144         (tree_map_eq): Make it a macro.
145         (tree_map_marked_p): Likewise.
146         (tree_int_map): Inherit from tree_map_base.
147         (tree_int_map_eq): Make it a macro.
148         (tree_int_map_hash): Likewise.
149         (tree_int_map_marked_p): Likewise.
150         (tree_priority_map): New type.
151         (tree_priority_map_eq): New macro.
152         (tree_priority_map_hash): Likewise.
153         (tree_priority_map_marked_p): Likewise.
154         * varasm.c (emults_decl): Adjust for refactoring of tree_map
155         hierarchy.
156         (emutls_common_1): Likewise.
157         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
158         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
159         of tree_map hierarchy.
160         * tree-cfg.c (move_stmt_r): Likewise.
161         (new_label_mapper): Likewise.
162         * c-tree.h (c_expand_body): Move to ...
163         * c-common.h (c_expand_body): ... here.
164         * c-decl.c (c_expand_body): Move to ...
165         * c-common.c (c_expand_body): ... here.
166         (c_common_attribute_table): Allow 1 argument for the constructor
167         and destructor attributes.
168         (get_priority): New function.
169         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
170         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
172 2007-02-24  Jan Hubicka  <jh@suse.cz>
174         PR middle-end/30509
175         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
177 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
178             Jan Hubicka  <jh@suse.cz>
180         PR target/30778
181         * i386.c (counter_mode): New function.
182         (expand_set_or_movmem_via_loop): Use it.
183         (expand_movmem_epilogue): Likewise; fix pasto.
184         (ix86_expand_movmem): Do emit guard even for constant counts.
185         (ix86_expand_setmem): Likewise.
187 2007-02-25  Nick Clifton  <nickc@redhat.com>
189         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
190         (JUMP_TABLES_IN_TEXT_SECTION): Define.
192 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
194         PR target/30770
195         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
196         count argument with 0x10, not with 0x16.
197         (expand_setmem_epilogue): Ditto.
199 2007-02-24  Mike Stump  <mrs@apple.com>
201         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
202         symbols.
204 2007-02-24  Richard Guenther  <rguenther@suse.de>
206         PR middle-end/30951
207         * fold-const.c (fold_binary): Fold x +- CST op x for
208         EQ_EXPR and NE_EXPR.
210 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
212         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
214 2007-02-24  Jan Hubicka  <jh@suse.cz>
216         * cgraphunit.c (decide_is_function_needed): Honor
217         -fkeep-inline-functions.
219 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
221         * builtins.c (fold_builtin_modf): New.
222         (fold_builtin_2): Use it.
224 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
226         * loop-iv.c (implies_p): Detect additional cases where A implies B.
227         (determine_max_iter): Take additional LOOP arg; all callers changed.
228         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
229         one using simplifications.
230         (simplify_using_initial_values): Return if the expression becomes
231         invalid due to altered regs.
233 2007-02-23  DJ Delorie  <dj@redhat.com>
235         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
237 2007-02-23  Mike Stump  <mrs@apple.com>
239         * tlink.c (scan_linker_output): Parse linker messages from
240         darwin9's linker better.
242 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
244         PR debug/29614
245         * varpool.c (varpool_assemble_pending_decls):  Set
246         varpool_last_needed_node to null.
248 2007-02-23  DJ Delorie  <dj@redhat.com>
250         * config/i386/i386.c (ix86_data_alignment): Don't specify an
251         alignment bigger than the object file can handle.
253 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
255         PR target/30825
256         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
257         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
258         (*movsf_1): Penalize MMX moves.
260 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
262         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
263         2^32-1 or more times unless flag_unsafe_loop_optimizations.
265         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
267 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
269         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
270         (fold_builtin_1): Use them.
271         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
272         BUILT_IN_SIGNIFICAND.
274 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
276         * config/i386/i386.c (bdesc_1arg): Initialize
277         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
278         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
279         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
280         and IX86_BUILTIN_MOVSLDUP.
282 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
284         PR rtl-optimization/30841
285         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
287 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
289         * builtins.c (fold_builtin_frexp): New.
290         (fold_builtin_2): Use it.
292 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
294         * doc/invoke.texi (Spec Files): Document getenv spec function.
296         * gcc.c (getenv_spec_function): New function.
297         (static_spec_functions): Add it.
298         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
299         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
300         header files.
302 2007-02-22  Michael Matz  <matz@suse.de
304         PR c++/29433
305         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
306         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
308 2007-02-22  Ian Lance Taylor  <iant@google.com>
310         PR debug/30898
311         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
312         (mem_loc_descriptor): Call it.
314 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
315             Ira Rosen  <irar@il.ibm.com>
317         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
319 2007-02-22  Ira Rosen  <irar@il.ibm.com>
321         PR tree-optimization/30843
322         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar 
323         stores only after all the group is vectorized.
325 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
327         PR tree-optimization/30858
328         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
329         in the reduction cycle have a single use in the loop.
330         * tree-vectorizer.h (relevant): Add documentation.
332 2007-02-20  Mike Stump  <mrs@apple.com>
334         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
335         * configure: Regenerate.
337 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
339         Change the defaults of some parameters and options.
340         * config/spu/spu-protos.h (spu_optimization_options): Declare.
341         * config/spu/spu.c (spu_optimization_options): Add.
342         (spu_override_options): Change params in spu_optimization_options.
343         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
345         Register 127 is only 16 byte aligned when used as a frame pointer.
346         * config/spu/spu-protos.h (spu_init_expanders): Declare.
347         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
348         HARD_FRAME_POINTER_REGNUM.
349         (spu_legitimate_address):  Use regno_aligned_for_reload.
350         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
351         aligned when frame_pointer_needed is true.
352         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
353         to 8 bits.
354         * config/spu/spu.h (INIT_EXPANDERS): Define.
356         Make sure shift and rotate instructions have valid immediate operands.
357         * config/spu/predicates.md (spu_shift_operand): Remove.
358         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
359         * config/spu/constraints.md (W, O): Extend range.
360         * config/spu/spu.md (umask, nmask): Define.
361         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
362         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
363         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
364         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
365         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
366         (lshr<mode>3_reg):  Fix rtl description.
368         Make sure mulhisi immediate operands are valid.
369         * config/spu/predicates.md (imm_K_operand): Add.
370         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
372         Generate constants using fsmbi and andi.
373         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
374         (print_operand, spu_split_immediate, classify_immediate,
375         fsmbi_const_p): Handle IC_FSMBI2.
377         Correctly handle a CONST_VECTOR containing symbols.
378         * config/spu/spu.c (print_operand): Handle HIGH correctly.
379         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
380         (immediate_load_p): Allow symbols that use 2 instructions to create.
381         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
382         with symbols when flag_pic is set.
383         (const_vector_immediate_p): New.
384         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
385         accept a CONST_VECTOR with symbols.
386         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
387         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
388         correctly.
389         * config/spu/spu.md (high, low): Delete.
390         (low_<mode>): Define.
392         Remove INTRmode and INTR_REGNUM, which didn't work.
393         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
394         of INTR_REGNUM.
395         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
396         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
397         peephole2 pattern): Don't use INTR or 131.
398         (movintrcc): Delete.
399         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
400         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
401         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
402         (UNSPEC_SET_INTR): Add.
403         * config/spu/spu-modes.def (INTR): Remove.
405         More accurate warnings about run-time relocations.
406         * config/spu/spu.c (reloc_diagnostic): Test in_section.
408         Correctly warn about immediate arguments to specific intrinsics.
409         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
410         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
411         the instruction predicate.
413         Fix tree check errors with latest update.
414         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
415         CALL_EXPR_ARG.
416         (spu_expand_builtin): Use CALL_EXPR_FN.
418         Add missing specific intrinsics.
419         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
420         si_bislede.
421         * config/spu/spu_internals.h: Ditto.
423         Fix incorrect operand modifiers.
424         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
425         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
427         Optimize one case of zero_extend of a vec_select.
428         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
430         Accept any immediate for hbr.
431         * config/spu/spu.md (hbr):  Change s constraints to i.
433 2007-02-21  Paul Brook  <paul@codesourcery.com>
435         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
436         condexec_count when skipping USE and CLOBBER.
438 2007-02-21  Nick Clifton  <nickc@redhat.com>
440         * common.opt (Warray-bounds): Add Warning attribute.
441         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
442         Likewise.
443         (fsized-zeroes): Add Optimization attribute.
444         (fsplit-wide-types, ftree-scev-cprop): Likewise.
445         * c.opt (Wc++0x-compat): Add Warning attribute.
447 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
449         PR middle-end/30761
450         * reload1.c (eliminate_regs_in_insn): In the single_set special
451         case, attempt to re-recognize the insn before falling back to
452         having reload fix it up.
454 2007-02-20  Eric Christopher  <echristo@gmail.com>
456         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
457         Rewrite accordingly.
458         (frv_read_iacc_argument): Ditto.
459         (frv_expand_set_builtin): Take a call instead of arglist, update for
460         above changes.
461         (frv_expand_unop_builtin): Ditto.
462         (frv_expand_binop_builtin): Ditto.
463         (frv_expand_cut_builtin): Ditto.
464         (frv_expand_binopimm_builtin): Ditto.
465         (frv_expand_voidbinop_builtin): Ditto.
466         (frv_expand_int_void2arg): Ditto.
467         (frv_expand_prefetches): Ditto.
468         (frv_expand_voidtriop_builtin): Ditto.
469         (frv_expand_voidaccop_builtin): Ditto.
470         (frv_expand_load_builtin): Ditto.
471         (frv_expand_store_builtin): Ditto.
472         (frv_expand_mdpackh_builtin): Ditto.
473         (frv_expand_mclracc_builtin): Ditto.
474         (frv_expand_mrdacc_builtin): Ditto.
475         (frv_expand_mwtacc_builtin): Ditto.
476         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
477         calls for above.
479 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
481         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
482         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
483         cmpb instruction.
484         (HAVE_GAS_DFP): Check for assembler support of decimal floating
485         point instructions.
486         * configure: Regenerate.
487         * config.in: Regenerate.
488         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
489         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
490         masks to power6 and power6x and to POWERPC_MASKS.
491         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
492         _ARCH_PWR6.
493         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
494         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
495         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
496         Access PROTOTYPE as variable, not mask.
498 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
500         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
501         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
502         * combine.c (adjust_for_new_dest): Use it.
503         * postreload.c (reload_combine): Likewise.
505 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
507         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
508         notes on an insn with multiple sets, even if single_set returns
509         non-NULL for that insn.
511 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
513         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
514         scalbn and scalbln.
516 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
518         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
519         if user didn't pass it.
520         * config/i386/darwin.h (CC1_SPEC): Likewise.
521         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
522         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
523         -mmacosx-version-min.
525 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
526             Uros Bizjak  <ubizjak@gmail.com>
528         * optabs.h (enum optab_index): Add new OTI_scalb.
529         (scalb_optab): Define corresponding macro.
530         * optabs.c (init_optabs): Initialize scalb_optab.
531         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
532         patterns.
533         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
534         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
535         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
536         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
537         flag_unsafe_math_optimizations is set.
539         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
540         to implement scalbf, scalb and scalbl built-ins as inline x87
541         intrinsics.
543 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
544             DJ Delorie <dj@redhat.com>
546         PR other/30824
547         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
548         (diagnostic_report_diagnostic): ... here, and turn them into real
549         errors. If warnings are inhibited, no need to do anything.
551 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
553         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
554         better code generation.
556 2007-02-20  Ben Elliston  <bje@au.ibm.com>
558         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
560 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
562         * config/alpha/alpha.c, config/alpha/alpha.md,
563         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
564         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
565         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
566         config/arm/lib1funcs.asm: Follow spelling conventions.
568         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
569         config/fr30/fr30.md, config/i386/i386.h,
570         config/iq2000/iq2000.h, config/iq2000/predicates.md,
571         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
572         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
573         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
574         config/rs6000/altivec.md, config/rs6000/rs6000.c,
575         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
576         config/sparc/sparc.c, config/sparc/sparc.h,
577         config/sparc/sparc.md, config/spu/constraints.md,
578         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
579         conventions.
581 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
583         PR target/29943
584         * varasm.c (use_blocks_for_decl_p): Return false for decls with
585         alias attribute.
587 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
589         * doc/invoke.texi (-ftree-lrs): Remove.
591 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
593         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
594         NULL.
596 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
598         * config/ia64/ia64.c (ia64_expand_builtin): Use the
599         new CALL_EXPR_FN macro for retrieving the function
600         declaration of the input expression.
602 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
604         * c.opt (Waddress): New.
605         * common.opt (Walways-true): Delete.
606         (Wstring-literal-comparison): Delete.
607         * doc/invoke.texi (Warning Options): Delete -Walways-true and
608         -Wstring-literal-comparison. Add -Waddress.
609         (Waddress): New.
610         (Walways-true): Delete.
611         (Wstring-literal-comparison): Delete.
612         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
613         consistently instead of -Walways-true in example.
614         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
615         * c-typeck.c (parser_build_binary_op): Replace
616         -Wstring-literal-comparison and -Walways-true with -Waddress.
617         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
618         with -Waddress.
620 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
622         * tree-cfg.c (dump_function_to_file): Be prepared for functions
623         without DECL_STRUCT_FUNCTION initialized.
625 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
627         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
628         due to calls to functions taking pointers as parameters.
630 2007-02-19  Richard Henderson  <rth@redhat.com>
632         PR debug/29558
633         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
634         in memory.
636 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
638         * config/s390/s390.c (s390_call_saved_register_used,
639         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
640         accessed to the new scheme.
642 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
644         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
645         (cris_print_index, cris_print_operand, cris_print_operand_address)
646         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
647         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
648         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
649         GET_CODE () == xxx.
650         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
651         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
652         GO_IF_LEGITIMATE_ADDRESS): Ditto.
653         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
654         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
655         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
656         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
657         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
658         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
659         (uminsi3, call, call_value): Ditto.
660         (define_split: indir_to_reg_split, unnamed): Ditto.
662 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
664         PR tree-optimization/30975
665         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
666         wrong assert.
668 2007-02-18  Eric Christopher  <echristo@gmail.com>
670         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
671         Remove use of arglist.
672         (mips_expand_builtin): Remove use of arglist, pass in expr.
673         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
674         (mips_expand_builtin_movtf): Ditto.
675         (mips_expand_builtin_compare): Ditto.
677 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
679         * tree-sra.c (sra_build_assignment): Replace assertion
680         checking with a comment explaining why it can't be done.
682 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
684         PR middle-end/30833
685         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
686         during CALL_EXPR representation conversion.
687         * tree-ssa-propagate.c (set_rhs): Likewise.
689 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
691         * tree-sra.c (sra_build_assignment): Disable assertion checking
692         for now.
694 2007-02-18  Roger Sayle  <roger@eyesopen.com>
696         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
697         instead of calling build2 with a GIMPLE_MODIFY_STMT.
698         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
699         Likewise.
700         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
701         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
702         gimplify_init_ctor_eval_range, gimple_push_cleanup,
703         gimplify_omp_for, gimplify_omp_atomic_pipeline,
704         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
705         force_gimple_operand): Likewise.
706         * ipa-cp.c (constant_val_insert): Likewise.
707         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
708         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
709         perfect_nestify): Likewise.
710         * langhooks.c (lhd_omp_assignment): Likewise.
711         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
712         lower_copyprivate_clauses, lower_send_clauses,
713         lower_send_shared_vars, expand_parallel_call,
714         expand_omp_for_generic, expand_omp_for_static_nochunk,
715         expand_omp_for_static_chunk, expand_omp_sections,
716         lower_omp_single_copy, lower_omp_for_lastprivate,
717         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
718         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
719         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
720         Likewise.
722 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
724         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
725         config/sh/sh.md: Follow spelling conventions.
727         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
728         config/frv/predicates.md: Follow spelling conventions.
730         * config/m68k/linux-unwind.h: Fix a comment typo.
731         * target.h: Follow spelling conventions.
733 2007-02-18  Roger Sayle  <roger@eyesopen.com>
735         PR rtl-optimization/28173
736         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
737         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
738         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
739         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
740         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
742 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
744         * builtins.c (fold_builtin_load_exponent): New.
745         (fold_builtin_2): Use it.
747 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
749         PR rtl-optimization/30773
750         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
751         if we fail to attach a REG_EQUIV note.
753 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
754             Roger Sayle  <roger@eyesopen.com>
756         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
758 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
760         * calls.c (initialize_argument_information): Pass original EXP
761         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
762         code to split complex arguments here, as part of initializing the
763         ARGS array.
764         (expand_call): Remove code that builds a list of arguments and
765         inserts implicit arguments into it.  Instead, just count how many
766         implicit arguments there will be so we can determine the size of
767         the ARGS array, and let initialize_argument_information do the work.
768         (split_complex_values): Delete unused function.
770 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
772         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
774 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
776         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
777         for arg pointer based indexed addressing.
779 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
781         * config/ia64/ia64.h, config/ia64/ia64.md,
782         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
783         spelling conventions.
785 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
787         * config/m68k/m68k.c (split_di): New.
788         * config/m68k/m68k-protos.h: Declare split_di.
789         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
790           Improve predicate handling and split constant shifts.
792 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
794         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
795         parameter for register bitfield operations, general predicates
796         cleanup
798 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
800         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
801         * config/m68k/linux-unwind.h: New file.
803 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
805         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
806         config/i386/athlon.md, config/ia64/ia64.md,
807         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
808         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
809         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
810         tree-ssa-loop-niter.c, tree-vect-analyze.c,
811         tree-vect-transform.c: Fix comment typos.
813 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
815         * sched-deps.c (find_insn_list): Remove.
816         * sched-int.h: Remove the prototype for find_insn_list.
818 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
820         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
821         to linker.
822         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
823         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
824         darwin_rs6000_override_options.
825         (C_COMMON_OVERRIDE_OPTIONS): Expect
826         darwin_macosx_version_min to be non-NULL always.
827         (TARGET_C99_FUNCTIONS): Likewise.
828         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
829         (DARWIN_MINVERSION_SPEC): New.
830         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
831         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
832         to cc1*.
833         (DARWIN_MINVERSION_SPEC): New.
834         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
835         value.
836         * config/darwin-c.c (darwin_cpp_builtins): Expect
837         darwin_macosx_version_min to be non-NULL always.
839         * config/rs6000/rs6000.c: Clean up trailing whitespace.
841 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
843         * config/i386/i386.h (x86_use_xchgb): New.
844         (TARGET_USE_XCHGB): New macro.
845         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
846         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
847         Split after reload into bswaphi for shifts of 8.
848         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
849         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
850         or when optimizing for size.
852 2007-02-16  Richard Guenther  <rguenther@suse.de>
853             Christian Bruel  <christian.bruel@st.com>
855         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
856         DECLs but prefer SSA_NAMEs over DECLs.
858 2007-02-16  Richard Guenther  <rguenther@suse.de>
860         * tree-flow-inline.h (single_imm_use_p): Remove.
861         (zero_imm_uses_p): Likewise.
862         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
863         instead of single_imm_use_p.
864         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
865         zero_imm_uses_p.
867 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
869         PR other/27843
870         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
871         nested double- and backquotes.
873 2007-02-15  Roger Sayle  <roger@eyesopen.com>
875         PR middle-end/30391
876         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
877         should be unreachable.
878         (build2_stat): Allow construction of MODIFY_EXPR at any time.
879         For the time being redirect GIMPLE_MODIFY_STMT to the new
880         (renamed) build_gimple_modify_stmt_stat.
881         (build2_gimple_stat): Rename to...
882         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
883         Always build a GIMPLE_MODIFY_STMT node.
884         * tree.h (build2_gimple, build2_gimple_stat): Delete.
885         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
886         declarations.
888         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
889         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
890         * tree-complex.c (set_component_ssa_name, expand_complex_move,
891         expand_complex_div_wide): Likewise.
892         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
893         * tree-ssa-loop-im.c (schedule_sm): Likewise.
894         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
895         * tree-ssa-loop-manip.c (create_iv): Likewise.
896         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
897         abs_replacement): Likewise.
898         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
899         realify_fake_stores): Likewise.
901         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
902         node rather than a GIMPLE_MODIFY_STMT node.
903         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
904         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
905         Likewise.
906         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
907         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
908         GIMPLE_MODIFY_STMT.
910 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
912         PR middle-end/30433
913         * fold-const.c (fold_comparison): Add back the
914         folding of constant complex comparisions.
916 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
918         PR middle-end/30729
919         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
920         effects unknown to this function, return early.
922 2007-02-15  Ian Lance Taylor  <iant@google.com>
924         * lower-subreg.c (move_eh_region_note): New static function.
925         (resolve_simple_move): Call it.
926         (decompose_multiword_subregs): Track blocks for which we resolve a
927         simple move which is also a control flow insn.  Pass them to
928         find_many_sub_basic_blocks.
929         (pass_lower_subreg): Add TODO_verify_flow.
930         (pass_lower_subreg2): Likewise.
932 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
933             Brooks Moses  <brooks.moses@codesourcery.com>
934             Lee Millward  <lee.millward@codesourcery.com>
936         * tree.h (enum tree_code_class): Add tcc_vl_exp.
937         (VL_EXP_CLASS_P): New.
938         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
939         TREE_CODE_LENGTH.
940         (TREE_OPERAND_CHECK_CODE): Likewise.
941         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
942         (TREE_RTL_OPERAND_CHECK): Likewise.
943         (tree_operand_check_failed): Make second parameter the whole tree
944         instead of its code.  Fixed callers.
945         (VL_EXP_CHECK): New.
946         (TREE_OPERAND_LENGTH): New.
947         (VL_EXP_OPERAND_LENGTH): New.
948         (CALL_EXPR_FN): New.
949         (CALL_EXPR_STATIC_CHAIN): New.
950         (CALL_EXPR_ARGS): New.
951         (CALL_EXPR_ARG): New.
952         (call_expr_nargs): New.
953         (CALL_EXPR_ARGP): New.
954         (build_nt_call_list): Declare.
955         (build_vl_exp_stat): Declare.
956         (build_vl_exp): New.
957         (build_call_list): Declare.
958         (build_call_nary): Declare.
959         (build_call_valist): Declare.
960         (build_call_array): Declare.
961         (call_expr_arg): Declare.
962         (call_expr_argp): Declare.
963         (call_expr_arglist): Declare.
964         (fold_build_call_list): Declare.
965         (fold_build_call_list_initializer): Declare.
966         (fold_call_expr): Declare to replace fold_builtin.
967         (fold_builtin_fputs): Update to agree with modified definition.
968         (fold_builtin_strcpy): Likewise.
969         (fold_builtin_strncpy): Likewise.
970         (fold_builtin_memory_chk): Likewise.
971         (fold_builtin_stxcpy_chk): Likewise.
972         (fold_builtin_strncpy_chk): Likewise.
973         (fold_builtin_next_arg): Likewise.
974         (fold_build_call_expr): Declare.
975         (fold_builtin_call_list): Declare.
976         (fold_builtin_call_valist): Declare.
977         (build_call_expr): Declare.
978         (validate_arglist): Update to agree with modified definition.
979         (tree_operand_length): New.
980         (call_expr_arg_iterator): New.
981         (init_call_expr_arg_iterator): New.
982         (next_call_expr_arg): New.
983         (first_call_expr_arg): New.
984         (more_call_expr_args_p): New.
985         (FOR_EACH_CALL_EXPR_ARG): New.
987         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
988         and tcc_gimple_stmt.
989         (tree_code_size): Update documentation.  Use sizeof (tree) rather
990         than sizeof (char *).
991         (tree_size): Likewise.  Add case for tcc_vl_exp.
992         (tree_node_structure): Add case for tcc_vl_exp.
993         (contains_placeholder_p): Likewise.
994         (substitute_in_expr): Likewise.
995         (substitute_placeholder_in_expr): Likewise.
996         (stabilize_reference_1): Likewise.
997         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
998         to diagnose breakage of this interface for constructing CALL_EXPRs.
999         (build_nt): Add similar assertion here.
1000         (build_nt_call_list): New.
1001         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
1002         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
1003         TREE_CODE_LENGTH.
1004         (get_callee_fndecl): Use new CALL_EXPR accessors.
1005         (tree_operand_check_failed): Change parameters to pass entire node
1006         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
1007         (process_call_operands): New.
1008         (build_vl_exp_stat): New.
1009         (build_call_list): New.
1010         (build_call_nary): New.
1011         (build_call_valist): New.
1012         (build_call_array): New.
1013         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1014         (call_expr_arglist): New.
1016         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
1017         tcc_vl_exp instead of a fixed-size tcc_expression.
1019         * doc/c-tree.texi (CALL_EXPR): Document new representation and
1020         accessors for CALL_EXPRs.
1021         (AGGR_INIT_EXPR): Likewise.
1023 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1024             Brooks Moses  <brooks.moses@codesourcery.com>
1025             Lee Millward  <lee.millward@codesourcery.com>
1027         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
1028         (expand_builtin_nonlocal_goto): Change parameter to be entire
1029         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
1030         (expand_builtin_prefetch): Likewise.
1031         (expand_builtin_classify_type): Likewise.
1032         (mathfn_built_in): Return NULL_TREE instead of 0.
1033         (expand_errno_check): Use new CALL_EXPR accessors.
1034         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
1035         Return NULL_RTX instead of 0.
1036         (expand_builtin_mathfn_2): Likewise.
1037         (expand_builtin_mathfn_3): Likewise.
1038         (expand_builtin_interclass_mathfn): Likewise.
1039         (expand_builtin_sincos): Likewise.
1040         (expand_builtin_cexpi): Likewise.
1041         (expand_builtin_int_roundingfn): Likewise.
1042         (expand_builtin_int_roundingfn_2): Likewise.
1043         (expand_builtin_pow): Likewise.
1044         (expand_builtin_powi): Likewise.
1045         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
1046         of arglist, fixing callers appropriately.  Use new CALL_EXPR
1047         accessors and constructors.  Return NULL_RTX instead of 0.
1048         (expand_builtin_strstr): Likewise.
1049         (expand_builtin_strchr): Likewise.
1050         (expand_builtin_strrchr): Likewise.
1051         (expand_builtin_strpbrk): Likewise.
1052         (expand_builtin_memcpy): Likewise.
1053         (expand_builtin_mempcpy): Likewise.
1054         (expand_builtin_mempcpy_args): New.
1055         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
1056         (expand_builtin_memmove_args): New.
1057         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
1058         (expand_movstr): Likewise.
1059         (expand_builtin_strcpy): Likewise.
1060         (expand_builtin_strcpy_args): New.
1061         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
1062         (expand_builtin_strncpy): Likewise.
1063         (expand_builtin_memset): Likewise.
1064         (expand_builtin_memset_args): New.
1065         (expand_builtin_bzero): Similarly to expand_builtin_memset.
1066         (expand_builtin_memcmp): Likewise.
1067         (expand_builtin_strcmp): Likewise.
1068         (expand_builtin_strncmp): Likewise.
1069         (expand_builtin_strcat): Likewise.
1070         (expand_builtin_strncat): Likewise.
1071         (expand_builtin_strspn): Likewise.
1072         (expand_builtin_strcspn): Likewise.
1073         (expand_builtin_args_info): Likewise.
1074         (expand_builtin_va_start): Likewise.
1075         (gimplify_va_arg_expr): Likewise.
1076         (expand_builtin_va_end): Likewise.
1077         (expand_builtin_va_copy): Likewise.
1078         (expand_builtin_frame_address): Likewise.
1079         (expand_builtin_alloca): Likewise.
1080         (expand_builtin_bswap): Likewise.
1081         (expand_builtin_unop): Likewise.
1082         (expand_builtin_fputs): Likewise.
1083         (expand_builtin_expect): Likewise.
1084         (expand_builtin_fabs): Likewise.
1085         (expand_builtin_copysign): Likewise.
1086         (expand_builtin_printf): Likewise.
1087         (expand_builtin_fprintf): Likewise.
1088         (expand_builtin_sprintf): Likewise.
1089         (expand_builtin_init_trampoline): Likewise.
1090         (expand_builtin_signbit): Likewise.
1091         (expand_builtin_fork_or_exec): Likewise.
1092         (expand_builtin_sync_operation): Likewise.
1093         (expand_builtin_compare_and_swap): Likewise.
1094         (expand_builtin_lock_test_and_set): Likewise.
1095         (expand_builtin_lock_release): Likewise.
1096         (expand_builtin): Likewise.
1097         (builtin_mathfn_code): Likewise.
1099         (fold_builtin_constant_p): Pass call arguments individually instead
1100         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1101         accessors and constructors.  Return NULL_TREE instead of 0.
1102         (fold_builtin_expect): Likewise.
1103         (fold_builtin_classify_type): Likewise.
1104         (fold_builtin_strlen): Likewise.
1105         (fold_builtin_nan): Likewise.
1106         (integer_valued_real_p): Likewise.
1107         (fold_trunc_transparent_mathfn): Likewise.
1108         (fold_fixed_mathfn): Likewise.
1109         (fold_builtin_cabs): Likewise.
1110         (fold_builtin_sqrt): Likewise.
1111         (fold_builtin_cbrt): Likewise.
1112         (fold_builtin_cos): Likewise.
1113         (fold_builtin_cosh): Likewise.
1114         (fold_builtin_tan): Likewise.
1115         (fold_builtin_sincos): Likewise.
1116         (fold_builtin_cexp): Likewise.
1117         (fold_builtin_trunc): Likewise.
1118         (fold_builtin_floor): Likewise.
1119         (fold_builtin_ceil): Likewise.
1120         (fold_builtin_round): Likewise.
1121         (fold_builtin_int_roundingfn): Likewise.
1122         (fold_builtin_bitop): Likewise.
1123         (fold_builtin_bswap): Likewise.
1124         (fold_builtin_logarithm): Likewise.
1125         (fold_builtin_hypot): Likewise.
1126         (fold_builtin_pow): Likewise.
1127         (fold_builtin_powi): Likewise.
1128         (fold_builtin_exponent): Likewise.
1129         (fold_builtin_memset): Likewise.
1130         (fold_builtin_bzero): Likewise.
1131         (fold_builtin_memory_op): Likewise.
1132         (fold_builtin_bcopy): Deleted; call site changed to invoke
1133         fold_builtin_memory_op directly.
1134         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
1135         (fold_builtin_strncpy): Likewise.
1136         (fold_builtin_memcmp): Likewise.
1137         (fold_builtin_strcmp): Likewise.
1138         (fold_builtin_strncmp): Likewise.
1139         (fold_builtin_signbit): Likewise.
1140         (fold_builtin_copysign): Likewise.
1141         (fold_builtin_isascii): Likewise.
1142         (fold_builtin_toascii): Likewise.
1143         (fold_builtin_isdigit): Likewise.
1144         (fold_builtin_fabs): Likewise.
1145         (fold_builtin_abs): Likewise.
1146         (fold_builtin_fmin_fmax): Likewise.
1147         (fold_builtin_carg): Likewise.
1148         (fold_builtin_classify): Likewise.
1149         (fold_builtin_unordered_cmp): Likewise.
1151         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
1152         New functions split out from fold_builtin_1.
1153         (fold_builtin_n): New.
1154         (fold_builtin_varargs): New.
1155         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
1156         instead.
1157         (fold_call_expr): New.
1158         (build_function_call_expr): Rewrite to use new helper function.
1159         (fold_builtin_call_list): New.
1160         (build_call_expr): New.
1161         (fold_builtin_call_valist): New.
1162         (rewrite_call_expr): New.
1163         (validate_arg): New.
1164         (validate_arglist): Change parameter to be entire CALL_EXPR instead
1165         of an arglist.  Change return type to bool.  Use new CALL_EXPR
1166         accessors.
1168         (fold_builtin_strstr):  Pass call arguments individually instead
1169         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1170         accessors and constructors.  Return NULL_TREE instead of 0.
1171         (fold_builtin_strchr): Likewise.
1172         (fold_builtin_strrchr): Likewise.
1173         (fold_builtin_strpbrk): Likewise.
1174         (fold_builtin_strcat): Likewise.
1175         (fold_builtin_strncat): Likewise.
1176         (fold_builtin_strspn): Likewise.
1177         (fold_builtin_strcspn): Likewise.
1178         (fold_builtin_fputs): Likewise.
1179         (fold_builtin_next_arg): Likewise.
1180         (fold_builtin_sprintf): Likewise.
1182         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
1183         NULL_RTX instead of 0.
1184         (expand_builtin_memory_chk): Likewise.
1185         (maybe_emit_chk_warning): Likewise.
1186         (maybe_emit_sprintf_chk_warning): Likewise.
1188         (fold_builtin_object_size): Pass call arguments individually instead
1189         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1190         accessors and constructors.  Return NULL_TREE instead of 0.
1191         (fold_builtin_memory_chk): Likewise.
1192         (fold_builtin_stxcpy_chk): Likewise.
1193         (fold_builtin_strncpy_chk): Likewise.
1194         (fold_builtin_strcat_chk): Likewise.
1195         (fold_builtin_strcat_chk): Likewise.
1196         (fold_builtin_strncat_chk): Likewise.
1197         (fold_builtin_sprintf_chk): Likewise.
1198         (fold_builtin_snprintf_chk): Likewise.
1199         (fold_builtin_printf): Likewise.
1200         (fold_builtin_vprintf): Likewise.
1202         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
1203         constructors.
1204         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
1205         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1206         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
1207         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
1208         (fold_unary): Likewise.
1209         (fold_binary): Likewise.
1210         (fold_ternary): Remove CALL_EXPR case, since they are no longer
1211         ternary expressions.
1212         (fold): Add logic for tcc_vl_exp.
1213         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
1214         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1215         (fold_build3_stat): Add assertion to flag broken interface for
1216         constructing CALL_EXPRs.
1217         (fold_build_call_list): New.
1218         (fold_build_call_list_initializer): New.
1219         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
1220         constructors.
1221         (fold_strip_sign_ops): Likewise.
1223 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1224             Brooks Moses  <brooks.moses@codesourcery.com>
1225             Lee Millward  <lee.millward@codesourcery.com>
1227         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
1228         accessors and dump arguments explicitly.
1230         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
1231         TREE_CODE_LENGTH.
1232         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
1233         explicitly.
1234         (print_call_name): Use new CALL_EXPR accessors.
1236         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
1237         CALL_EXPR arguments explicitly instead of as a list.  Use
1238         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1240         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
1241         (vrp_visit_stmt): Likewise.
1243         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
1244         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
1245         TREE_CODE_LENGTH.
1246         (force_move_till_expr): Likewise.
1248         * targhooks.c (default_external_stack_protect_fail): Use
1249         build_call_expr instead of build_function_call_expr.
1250         (default_hidden_stack_protect_fail): Likewise.
1252         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
1253         build the call.
1255         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
1256         and walk arguments explicitly.
1258         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
1259         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1260         (expand_simple_operations): Likewise.
1261         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
1263         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
1264         of TREE_CODE_LENGTH.
1265         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
1267         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
1268         instead of TREE_CODE_LENGTH.
1270         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
1271         (tree_ic_transform): Likewise.
1272         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
1273         parameter instead of arglist.  Fix callers.
1274         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
1275         (tree_stringops_transform): Likewise.
1276         (tree_indirect_call_to_profile): Likewise.
1277         (tree_stringops_values_to_profile): Likewise.
1279         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
1280         (eliminate_tail_call): Likewise.
1282         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
1284         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1285         Use TREE_OPERAND_LENGTH and generalize to handle any number of
1286         operands.
1287         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1289         * omp-low.c (build_omp_barrier): Use build_call_expr.
1290         (lower_rec_input_clauses): Likewise.
1291         (lower_reduction_clauses): Likewise.
1292         (expand_parallel_call): Likewise.
1293         (maybe_catch_exception): Likewise.
1294         (expand_omp_for_generic): Likewise.
1295         (expand_omp_for_static_nochunk): Likewise.
1296         (expand_omp_sections): Likewise.
1297         (lower_omp_single_simple): Likewise.
1298         (lower_omp_single_copy): Likewise.
1299         (lower_omp_master): Likewise.
1300         (lower_omp_ordered): Likewise.
1301         (lower_omp_critical): Likewise.
1303         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1304         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1306         * tree-gimple.c (is_gimple_call_addr): Fix doc.
1307         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1308         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
1310         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1311         and generalize to handle any number of operands.
1312         (chrec_contains_undetermined): Likewise.
1313         (tree_contains_chrecs): Likewise.
1314         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1316         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1318         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
1319         fold_call_expr instead of fold_builtin.
1320         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
1321         match declarations there.
1322         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
1323         updates.
1325         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1326         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1328         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1329         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1331         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1332         accessors.
1334         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1335         (execute_cse_sincos): Use new CALL_EXPR accessors.
1337         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1339         * gimple-low.c (lower_function_body): Use build_call_expr.
1340         (lower_builtin_setjmp): Likewise.
1342         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1343         (set_storage_via_libcall): Likewise.
1344         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
1345         instead of TREE_CODE_LENGTH.
1346         (expand_expr_real_1): Use new CALL_EXPR accessors.
1348         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1349         generalize to handle any number of operands.
1350         (TB_parent_eq): Likewise.
1352         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1353         (strip_builtin_expect): Likewise.
1355         * function.c (gimplify_parameters): Use build_call_expr.
1357         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1358         instead of TREE_CODE_LENGTH.
1360         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1361         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1363         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1364         iterators.
1366         * gimplify.c (build_stack_save_restore): Use build_call_expr.
1367         (gimplify_decl_expr): Likewise.
1368         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1369         Use new CALL_EXPR iterators.
1370         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1371         (gimplify_modify_expr_to_memset): Likewise.
1372         (gimplify_variable_sized_compare): Likewise.
1373         (gimplify_omp_atomic_fetch_op): Likewise.
1374         (gimplify_omp_atomic_pipeline): Likewise.
1375         (gimplify_omp_atomic_mutex): Likewise.
1376         (gimplify_function_tree): Likewise.
1378         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1379         (call_expr_flags): Likewise.
1380         (expand_call): Likewise.
1382         * except.c (expand_builtin_eh_return_data_regno): Pass entire
1383         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1384         accessors.
1386         * coverage.c (create_coverage): Use build_call_expr.
1388         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1389         (temp_call_expr_obstack): New.
1390         (pool_copy_list): Delete.
1391         (temp_copy_call_expr): New.
1392         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
1393         CALL_EXPR accessors.  Get rid of special goo for copying argument
1394         lists and use temp_copy_call_expr instead.
1395         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
1396         CALL_EXPR accessors.
1397         (create_expression_by_pieces): Likewise.  Use build_call_array
1398         to construct the result instead of fold_build3.
1399         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
1400         dealing with argument lists.
1401         (init_pre): Remove references to expression_node_pool and
1402         list_node_pool.  Init temp_call_expr_obstack instead.
1403         (fini_pre): Remove references to expression_node_pool and
1404         list_node_pool.
1406         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1407         and walk arguments explicitly instead of as a list.
1409         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1410         (mx_register_decls): Likewise.
1411         (mudflap_register_call): Likewise.
1412         (mudflap_finish_file): Likewise.
1414         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1415         (ipa_callsite_compute_param): Likewise.
1417         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1418         accessors and constructor.
1420         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1421         accessors and constructor.
1422         (convert_tramp_reference): Likewise.
1423         (convert_call_expr): Likewise.
1424         (finalize_nesting_tree_1): Likewise.
1426         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1427         accessors.
1429         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1431         * tree-inline.c (initialize_inlined_parameters): Pass entire
1432         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1433         accessors.
1434         (estimate_num_insns_1): Use new CALL_EXPR accessors.
1435         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1437         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
1438         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1439         (vectorizable_reduction): Likewise.
1440         (vectorizable_call): Use new CALL_EXPR iterators.
1441         (vectorizable_conversion): Use build_call_expr.
1442         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1443         (vect_gen_widened_results_half): Use build_call_expr.
1444         (vect_setup_realignment): Likewise.
1445         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1447         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1448         (pass_through_call): Likewise.
1449         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
1450         fold_builtin.
1452         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1453         (tree_gen_pow2_profiler): Likewise.
1454         (tree_gen_one_value_profiler): Likewise.
1455         (tree_gen_ic_func_profiler): Likewise.
1456         (tree_gen_average_profiler): Likewise.
1457         (tree_gen_ior_profiler): Likewise.
1459         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1460         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1461         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1463         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1464         of TREE_CODE_LENGTH.
1466         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1467         of TREE_CODE_LENGTH.
1469         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1470         constructor.
1471         (convert_to_integer): Likewise.
1473         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1474         accessors.
1476 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1477             Brooks Moses  <brooks.moses@codesourcery.com>
1478             Lee Millward  <lee.millward@codesourcery.com>
1480         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1481         accessors.
1482         * config/frv/frv.c (frv_expand_builtin): Likewise.
1483         * config/s390/s390.c (s390_expand_builtin): Likewise.
1485         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1486         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1488         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1489         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1490         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1491         (ix86_expand_store_builtin): Likewise.
1492         (ix86_expand_unop_builtin): Likewise.
1493         (ix86_expand_unop1_builtin): Likewise.
1494         (ix86_expand_sse_compare): Likewise.
1495         (ix86_expand_sse_comi): Likewise.
1496         (ix86_expand_vec_init_builtin): Likewise.
1497         (ix86_expand_vec_ext_builtin): Likewise.
1498         (ix86_expand_vec_set_builtin): Likewise.
1499         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1501         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1502         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1504         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1505         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1506         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1508         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1509         build_call_expr.
1510         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1511         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1512         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1513         (altivec_expand_abs_builtin): Likewise.
1514         (rs6000_expand_binop_builtin): Likewise.
1515         (altivec_expand_predicate_builtin): Likewise.
1516         (altivec_expand_lv_builtin): Likewise.
1517         (spe_expand_stv_builtin): Likewise.
1518         (altivec_expand_stv_builtin): Likewise.
1519         (rs6000_expand_ternop_builtin): Likewise.
1520         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1521         (altivec_expand_st_builtin): Likewise.
1522         (altivec_expand_dst_builtin): Likewise.
1523         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1524         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1525         (altivec_expand_vec_set_builtin): Likewise.
1526         (altivec_expand_vec_ext_builtin): Likewise.
1527         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1528         (spe_expand_builtin): Likewise.
1529         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1530         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1531         (spe_expand_evsel_builtin): Likewise.
1532         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1533         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1535         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1536         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1537         (arm_expand_unop_builtin): Likewise.
1538         (arm_expand_builtin): Use new CALL_EXPR accessors.
1540         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1541         accessors.
1543         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1544         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1545         (bfin_expand_unop_builtin): Likewise.
1546         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1548 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1549             Brooks Moses  <brooks.moses@codesourcery.com>
1550             Lee Millward  <lee.millward@codesourcery.com>
1552         * c-semantics.c (build_stmt): Add internal diagnostic check.
1554         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1555         accessors.  Print arguments explicitly instead of as a list.
1557         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1559         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1560         (c_finish_omp_flish): Likewise.
1562         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1563         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1564         instead of TREE_CODE_LENGTH.
1565         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1566         (c_warn_unused_result): Likewise.
1568 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1570         PR c/26494
1571         * doc/invoke.texi (Warning Options): Remove
1572         -Werror-implicit-function-declaration.
1573         (Wimplicit-function-declaration): Update description.
1574         * opts.c (common_handle_option): Move handling of -Werror=* to...
1575         (enable_warning_as_error): ...here.
1576         * opts.h (enable_warning_as_error): Declare.
1577         * c-decl.c (implicit_decl_warning): Unless
1578         -Wno-implicit-function-declaration is given, emit a pedwarn if
1579         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1580         * c.opt (Wimplicit-function-declaration): Replace
1581         mesg_implicit_function_declaration with
1582         warn_implicit_function_declaration.
1583         * c-opts.c (c_common_handle_option):
1584         -Werror-implicit-function-declaration is exactly equal as
1585         -Werror=implicit-function-declaration.
1586         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1587         warn_implicit_function_declaration.
1588         (c_common_post_options): -Wimplict-function-declaration is enabled
1589         by default by -std=c99, otherwise is disabled by default.
1590         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1592 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1594         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1595         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1596         former is ignored but not the latter.
1598 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1600         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1601         is made and the reference doesn't use the alias set of its type,
1602         do not create the temporary using that type.
1604 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1606         * jump.c: Remove prototypes for delete_computation and
1607         delete_prior_computation.
1609 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1611         * jump.c (get_label_after): Delete.
1612         (get_label_before, delete_computation, delete_jump,
1613         delete_prior_computation, follow_jumps): Move...
1614         * reorg.c (delete_computation, delete_prior_computation): ... here...
1615         (get_label_before, delete_jump): ... making these static ...
1616         (follow_jumps): ... and simplifying this since it only runs after
1617         reload.
1618         * rtl.h (get_label_after, get_label_before, delete_jump,
1619         follow_jumps): Delete prototypes.
1621 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1623         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1625 2007-02-15  Nick Clifton  <nickc@redhat.com>
1627         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1628         order to prevent it from being munged by the target.
1630 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1632         * config/i386/i386.md: Remove misleading comment.
1634 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1636         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1637         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1638         invalid patterns.
1640 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1642         * tree-sra.c (instantiate_missing_elements): Canonicalize
1643         bit-field types.
1644         (sra_build_assignment): New.
1645         (generate_copy_inout, generate_element_copy,
1646         generate_element_zero, generate_one_element_init): Use it.
1648 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1650         * tree-sra.c (instantiate_missing_elements): Canonicalize
1651         bit-field types.
1652         (sra_build_assignment): New.
1653         (generate_copy_inout, generate_element_copy,
1654         generate_element_zero, generate_one_element_init): Use it.
1656 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1658         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1659         limbo die nodes.
1661 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1663         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1664         types as aggregates not scalars.
1665         * function.c (assign_stack_temp_for_type): Likewise.
1667 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1668             Zdenek Dvorak  <dvorakz@suse.cz>
1670         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1671         name.
1673 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1675         * passes.c (next_pass_1): Clear the next field of the copied
1676         pass structure.
1678 2007-02-14  Richard Henderson  <rth@redhat.com>
1680         * tree-sra.c (early_sra): New.
1681         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1682         (tree_sra_early, pass_sra_early): New.
1683         * tree-pass.h (pass_sra_early): Declare.
1684         * passes.c (init_optimization_passes): Use it.
1686 2007-02-14  Richard Guenther  <rguenther@suse.de>
1688         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1690 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1692          PR tree-optimization/30771
1693         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1694         also phi nodes.
1695         (vect_analyze_operations): Induction phis can now be marked as
1696         used_in_loop.
1697         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1698         Update documentation accordingly.
1700 2007-02-14  Nick Clifton  <nickc@redhat.com>
1702         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1703         most 3 arguments are supported.
1704         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1706 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1708         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1709         Ensure dst->current is valid.
1711 2007-02-13  Paul Brook  <paul@codesourcery.com>
1713         * config.gcc: Add arm*-*-uclinux-*eabi.
1714         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1715         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1716         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1717         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1718         (LINK_SPEC): Define.
1719         (LIB_SPEC): Define.
1720         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1721         register.
1722         * config/arm/uclinux-eabi.h: New file.
1723         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1724         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1725         based targets.
1727 2007-02-13  Ian Lance Taylor  <iant@google.com>
1729         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1730         * flags.h (warn_strict_overflow): Declare.
1731         (enum warn_strict_overflow_code): Define.
1732         (issue_strict_overflow_warning): New static inline function.
1733         * opts.c (warn_strict_overflow): New variable.
1734         (common_handle_option): Handle OPT_Wstrict_overflow and
1735         OPT_Wstrict_overflow_.
1736         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1737         OPT_Wall.
1738         * fold-const.c: Include intl.h.
1739         (fold_deferring_overflow_warnings): New static variable.
1740         (fold_deferred_overflow_warning): New static variable.
1741         (fold_deferred_overflow_code): New static variable.
1742         (fold_defer_overflow_warnings): New function.
1743         (fold_undefer_overflow_warnings): New function.
1744         (fold_undefer_and_ignore_overflow_warnings): New function.
1745         (fold_deferring_overflow_warnings_p): New function.
1746         (fold_overflow_warning): New static function.
1747         (make_range): Add strict_overflow_p parameter.  Change all
1748         callers.
1749         (extract_muldiv, extract_muldiv_1): Likewise.
1750         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1751         tree_expr_nonnegative_p.
1752         (fold_negate_expr): Call fold_overflow_warning.
1753         (fold_range_test): Likewise.
1754         (fold_comparison): Likewise.
1755         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1756         instead of tree_expr_nonnegative_p.
1757         (tree_expr_nonnegative_warnv_p): Rename from
1758         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1759         (tree_expr_nonnegative_p): New function.
1760         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1761         strict_overflow_p parameter.
1762         (tree_expr_nonzero_p): New function.
1763         * passes.c (verify_interpass_invariants): New static function.
1764         (execute_one_pass): Call it.
1765         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1766         warnings.
1767         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1768         (estimate_numbers_of_iterations): Likewise.
1769         (scev_probably_wraps_p): Likewise.
1770         * tree-ssa-ccp.c: Include "toplev.h".
1771         (evaluate_stmt): Defer fold overflow warnings until we know we are
1772         going to optimize.
1773         (struct fold_stmt_r_data): Add stmt field.
1774         (fold_stmt_r): Defer fold overflow warnings until we know we
1775         optimized.
1776         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1777         (fold_stmt_inplace): Likewise.
1778         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1779         (cleanup_control_expr_graph): Defer fold overflow warnings until
1780         we know we are going to optimize.
1781         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1782         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1783         Likewise.
1784         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1785         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1786         * tree-ssa-loop-manip.c (create_iv): Likewise.
1787         * c-typeck.c (build_conditional_expr): Likewise.
1788         (build_binary_op): Likewise.
1789         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1790         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1791         (extract_range_from_unary_expr): Likewise.
1792         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1793         assuming that signed overflow does not occur.
1794         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1795         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1796         (fold_defer_overflow_warnings): Declare.
1797         (fold_undefer_overflow_warnings): Declare.
1798         (fold_undefer_and_ignore_overflow_warnings): Declare.
1799         (fold_deferring_overflow_warnings_p): Declare.
1800         (tree_expr_nonzero_warnv_p): Declare.
1801         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1802         of warning options.
1803         (Warning Options): Document -Wstrict-overflow.
1804         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1805         (tree-ssa-ccp.o): Likewise.
1806         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1807         (fold-const.o): Depend on intl.h.
1809 2007-02-13  Ian Lance Taylor  <iant@google.com>
1811         PR middle-end/30751
1812         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1813         addresses.
1815 2007-02-13  Stuart Hastings  <stuart@apple.com>
1817         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1819 2007-02-13  Richard Henderson  <rth@redhat.com>
1821         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1822         handled_component_p before looking for the indirect_ref.
1824 2007-02-13  Richard Henderson  <rth@redhat.com>
1826         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1827         remove flags clobber.
1828         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1829         (bswaphi_lowpart): New.
1830         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1831         remove TARGET_BSWAP test.  Delete expander of the same name.
1833         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1834         (expand_unop): Use them.
1836 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1838         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1839         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1840         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1841         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1842         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1843         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1844         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1845         assembler dialect choice from asm templates.
1847 2007-02-12  Richard Henderson  <rth@redhat.com>
1849         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1850         (fixuns_trunc<SSEMODEF>si2): Use it.
1851         * config/i386/sse.md (vec_setv4sf_0): Export.
1852         * config/i386/i386.c (ix86_build_const_vector): Export.
1853         (ix86_split_convert_uns_si_sse): Rename from
1854         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1855         * config/i386/i386-protos.h: Update.
1857 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1859         PR c/29521
1860         * c-typeck.c (c_finish_return): Improve warning message.
1862 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1864         * alias.c (find_symbolic_term): Delete unused function.
1866 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1868         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1869         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1870         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1872 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1874         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1875         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1876         the function, temporarily point the debug interface to the null one.
1878 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1880         * dwarf2out.c (round_up_to_align): New static function.
1881         (field_byte_offset): Use it to round the offset.
1883 2007-02-12  Richard Henderson  <rth@redhat.com>
1885         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1886         (inswl_const): Export.
1888 2007-02-12  Richard Henderson  <rth@redhat.com>
1890         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1891         result mode of the libcall, convert back to outmode.
1893 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1895         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1896         (bswapdi2): New define_expand to implement 32-bit implementation.
1898 2007-02-12  Nick Clifton  <nickc@redhat.com>
1900         * doc/invoke.texi (Overall Options): Document --help=.
1901         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1902         (cc1_options): Pass --help= on to cc1.
1903         (display_help): Add description of --help=.
1904         (process_command): Add code to handle --help=.  Allow translated
1905         --help and --target-help switches to be passed on to compiler
1906         sub-process.
1907         (main): Remove unused if statement.
1908         * opts.c (columns): Remove.
1909         (LEFT_COLUMN): Define.
1910         (wrap_help): Add columns argument.
1911         (print_filtered_help): Change parameters to be an include bitmask,
1912         an exclude bitmask, an any bitmask and the column width.  Move the
1913         code to display the params list here.  Add code to display the
1914         status of options rather than their descriptions if the quiet flag
1915         is not active.
1916         (print_specific_help): Change parameters to be an include bitmask,
1917         an exclude bitmask and an any bitmask.  Move code to look up the
1918         column width here.  Decide upon the title for an options listing.
1919         (common_handle_options): Add code to handle --help=.  Adapt code
1920         for --help and --target-help to use the revised form of the
1921         print_specific_help function.
1922         (print_help): Delete.
1923         (print_param_help): Delete.
1924         (print_switch): Delete.
1925         * opts.h (cl_lang_count): Add prototype.
1926         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1927         CL_MAX_OPTION_CLASS): New defines.
1928         * optc-gen.awk: Add construction of cl_lang_count.
1929         * c.opt: Add Warning attribute to warning options and Optimization
1930         attribute to optimization options.
1931         * common.opt: Likewise.
1932         Add --help=.
1933         Add -fhelp and -ftarget-help as aliases for the transformed --help
1934         and --target-help options.
1935         * opt-functions.awk: Add code to handle Warning and Optimization
1936         attributes.
1938 2007-02-12  Richard Henderson  <rth@redhat.com>
1940         * config/alpha/constraints.md: New file.
1941         * config/alpha/alpha.c: Include tm-constrs.h.
1942         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1943         alpha_extra_constraint): Remove.
1944         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1945         * config/alpha/alpha-protos.h: Update.
1946         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1947         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1948         (EXTRA_CONSTRAINT): Remove.
1949         * config/alpha/alpha.md: Include constraints.md.
1950         (adddi splitter): Use satisfies_constraint_*.
1951         * config/alpha/predicates.md (add_operand): Likewise.
1952         (sext_add_operand, addition_operation): Likewise.
1954 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1956         PR tree-optimization/29145
1957         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1958         in our handling of restrict qualified pointers.
1960 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1962         PR middle-end/7651
1963         * doc/invoke.texi (Wunused-value): Update description.
1964         (Wextra): Delete item.
1965         * opts.c (set_Wextra): Don't use the value of Wextra to set the
1966         value of Wunused-value.
1967         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1968         (c_finish_stmt_expr): Don't check extra_warnings.
1969         (emit_side_effect_warnings): The caller is responsible to check
1970         warn_unused_value.
1972 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1973             Matt Thomas  <matt@3am-software.com>
1975         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1977 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1979         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1980         comparisons of POPCOUNT against zero.
1981         (simplify_const_relational_operation): Likewise.
1983 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1985         * doc/invoke.texi (Wextra): Delete outdated paragraph.
1987 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1989         * dwarf2out.c (root_type): Delete unused function.
1991 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1993         * genattrtab.c (contained_in_p): Delete unused function.
1994         (write_expr_attr_cache): Likewise.
1996 2007-02-11  Jan Hubicka  <jh@suse.cz>
1998         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1999         previous patch.
2001 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
2003         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
2004         to add the REG_EQ* note.
2005         * see.c (see_merge_one_use_extension): Likewise.
2006         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
2007         turn REG_EQUAL notes into REG_EQUIV notes if the target
2008         register may have more than one set.
2009         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
2010         * gcse.c (try_replace_reg): Likewise.
2011         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
2012         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
2013         more than one REG_EQUIV note.
2014         * reload1.c (gen_reload): Use set_unique_reg_note.
2016 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
2018         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
2019         (ix86_builtin_conversion): New function.
2021 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
2023         PR target/29487
2024         * tree.h (DECL_REPLACEABLE_P): New macro.
2025         * except.c (set_nothrow_function_flags): Likewise.
2027 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
2028             Ira Rosen  <irar@il.ibm.com>
2029             Dorit Nuzman  <dorit@il.ibm.com>
2031         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
2032         * targhooks.c (default_builtin_vectorized_conversion): New.
2033         * targhooks.h (default_builtin_vectorized_function): New declaration.
2034         * target.h (struct vectorize): Add builtin_conversion field.
2035         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
2036         stmt_vec_info_type value.
2037         (vectorizable_conversion): New declaration.
2038         * tree-vect-analyze.c (vect_analyze_operations): Add
2039         vectorizable_conversion call.
2040         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
2041         * tree-vect-transform.c (vectorizable_conversion): New function.
2042         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
2043         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2044         mode.
2045         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
2046         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
2047         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
2048         or ALTIVEC_BUILTIN_VCFSX.
2050 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2052         PR target/30634
2053         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
2054         CONST_DOUBLE and operand 0 is a hard register.
2055         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
2056         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
2057         is a hard floating-point register.
2059 2007-02-10  Richard Henderson  <rth@redhat.com>
2060             Jakub Jelinek  <jakub@redhat.com>
2061             Alexandre Oliva  <aoliva@redhat.com>
2063         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
2064         * builtin-types.def (BT_WORD): Make unsigned.
2065         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2066         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2067         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2068         * c-decl.c (grokdeclarator): Don't error if !have_tls.
2069         * c-parser.c (c_parser_omp_threadprivate): Likewise.
2070         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2071         emulated tls.
2072         * expr.c (emutls_var_address): New.
2073         (expand_expr_real_1): Expand emulated tls.
2074         (expand_expr_addr_expr_1): Likewise.
2075         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2076         * output.h (emutls_finish): Declare.
2077         * toplev.c (compile_file): Call it.
2078         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2079         address before wrapping in CONST.
2080         * varasm.c (emutls_htab, emutls_object_type): New.
2081         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2082         (get_emutls_object_name, get_emutls_object_type): New.
2083         (get_emutls_init_templ_addr, emutls_decl): New.
2084         (emutls_common_1, emutls_finish): New.
2085         (assemble_variable): When emulating tls, swap decls; generate
2086         constructor for the emutls objects.
2087         (do_assemble_alias): When emulating tls, swap decl and target name.
2088         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2089         for emulated tls.
2090         * varpool.c (decide_is_variable_needed): Look at force_output.
2091         Recurse for emulated tls.
2092         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
2093         with decide_is_variable_needed.
2094         * emutls.c: New file.
2095         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2096         tls_object for real tls.
2098 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2100         PR rtl-optimization/29599
2101         * reload1.c (eliminate_regs_in_insn): Take the destination
2102         mode into account when computing the offset.
2104 2007-02-09  Stuart Hastings  <stuart@apple.com>
2105             Richard Henderson  <rth@redhat.com>
2107         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2108         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2109         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
2110         fixuns_truncdfhi2): New.
2111         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
2112         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
2113         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
2114         (floatunssidf2): Allow nonimmediate source.
2115         * gcc/config/i386/sse.md (movdi_to_sse): New.
2116         (vec_concatv2di): Drop '*'.
2117         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
2118         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2119         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
2120         New.
2121         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
2122         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2123         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
2124         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
2125         (ix86_build_signbit_mask): Fix decl of v, refactor to call
2126         ix86_build_const_vector.
2127         (x86_emit_floatuns): Rewrite.
2129 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2131         * genautomata.c (longest_path_length): Delete unused function.
2132         (struct state): Delete unused longest_path_length.
2133         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
2134         (get_free_state): Delete unused.
2136 2007-02-09  Jan Hubicka  <jh@suse.cz>
2138         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
2139         * doc/invoke.texi (inline-unit-growth): Update default value.
2141         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
2142         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
2143         (rebuild_cgraph_edges): Likewise.
2144         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
2145         (dump_cgraph_node): Dump frequencies.
2146         (cgraph_clone_edge): Add frequency scales.
2147         (cgraph_clone_node): Add freuqnecy.
2148         * cgraph.h (cgraph_edge): Add freuqnecy argument.
2149         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
2150         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
2151         * tree-pass.h (TODO_rebuild_frequencies): New constant.
2152         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
2153         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
2154         (save_inline_function_body): Likewise.
2155         * ipa-inline.c: inluce rtl.h
2156         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
2157         (cgraph_edge_badness): Use frequencies.
2158         (cgraph_decide_recursive_inlining): Update clonning.
2159         (cgraph_decide_inlining_of_small_function): Dump frequency.
2160         * predict.c (estimate_bb_frequencies): Export.
2161         * predict.h (estimate_bb_frequencies): Declare.
2162         * tree-inline.c (copy_bb): Watch overflows.
2163         (expand_call_inline): Update call of cgraph_create_edge.
2164         (optimize_inline_calls): Use TODO flags to update frequnecies.
2165         * passes.h: Include predict.h
2166         (init_optimization_passes): Move profile ahead.
2167         (execute_function_todo): Handle TODO_rebuild_frequencies.
2169 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2171         * config/alpha/alpha.c (emit_insxl): Force the first operand of
2172         the insbl or inswl pattern into a register.
2174 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2176         * config/ia64/ia64.md (bswapdi2): New define_insn.
2178 2007-02-09  Richard Henderson  <rth@redhat.com>
2180         * config/i386/constraints.md (Ym): New constraint.
2181         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
2182         (movdi_1_rex64): Split sse and xmm general register moves from
2183         memory move alternatives.  Use conditional register constraints.
2184         (movsf_1, movdf_integer): Likewise.
2185         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
2186         (movdf_integer_rex64): New.
2187         (pushsf_rex64): Fix output constraints.
2188         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
2189         (sse2_stored): Likewise.
2190         (sse2_storeq_rex64): New.
2191         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
2192         amd and not generic.
2193         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
2194         for optimize_size.  Remove SF/DFmode hack.
2196 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2198         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
2199         (bit_SSE4a): New.
2201 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
2202             Richard Sandiford  <richard@codesourcery.com>
2204         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
2205         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
2206         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
2207         m68k/t-mlib to tmake_file.
2208         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
2209         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
2210         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
2211         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
2212         variable is not empty, add t-$m68k_arch_family to tmake_file.
2213         Add t-mlibs to tmake_file.
2214         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
2215         * config/m68k/t-cf: New file.
2216         * config/m68k/t-m68k: Likewise.
2217         * config/m68k/t-mlibs: Likewise.
2218         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2219         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2220         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2221         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2222         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
2223         Delete.
2224         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
2225         (INSTALL_LIBGCC): Delete.
2226         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2227         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2228         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2229         (M68K_MLIB_CPU): Define.
2230         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2231         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2232         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
2234 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2235             Richard Guenther  <rguenther@suse.de>
2237         PR middle-end/23361
2238         * fold-const.c (fold_comparison): Handle obfuscated comparisons
2239         against INT_MIN/INT_MAX.
2240         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
2241         file if a loop is removed.
2243 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
2245         * calls.c (store_one_arg): Pass correct alignment to
2246         emit_push_insn for non-BLKmode values.
2247         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
2248         unaligned stack slot via a suitably aligned slot.
2250 2007-02-08  DJ Delorie  <dj@redhat.com>
2252         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
2253         warnings.
2254         (legal_subregs): Use unsigned char, make const.
2255         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
2257 2007-02-08  Paul Brook  <paul@codesourcery.com>
2259         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
2260         special interworking needed.
2262 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
2264         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
2265         conditional to __SSE2__.
2266         (Entries below should have been added to first ChangeLog
2267         entry for amdfam10 dated 2007-02-05)
2268         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
2269         defined.
2270         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
2271         defined.
2272         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
2273         defined.
2275 2007-02-08  DJ Delorie  <dj@redhat.com>
2277         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
2278         * config/m32c/m32c.c (legal_subregs): New.
2279         (m32c_illegal_subreg_p): New.
2280         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2281         unsupported subregs of hard regs.
2283 2007-02-08  Jan Hubicka  <jh@suse.cz>
2285         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2286         the same one; always update histograms.
2288 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2290         * passes.c (init_optimization_passes): Tidy comment.
2292 2007-02-08  Roger Sayle  <roger@eyesopen.com>
2294         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2295         strip zero_extend, bswap and rotates from POCOUNT's argument.
2296         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2297         zero_extend and rotates from PARITY's argument.
2298         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2299         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2300         of an integer constant at compile-time.
2302 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2304         PR 30562
2305         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2306         Update all users.
2307         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
2308         users.
2309         (init_alias_info):
2310         * tree-ssa-live.c (remove_unused_locals): Do not remove
2311         TREE_ADDRESSABLE variables.
2312         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2313         * tree-ssa-operands.c (add_virtual_operand): Remove argument
2314         FOR_CLOBBER.  Update all users.
2315         If VAR has an associated alias set, add a virtual operand for
2316         it if no alias is found to conflict with the memory reference.
2318 2007-02-07  Jan Hubicka  <jh@suse.cz>
2319             Robert Kidd <rkidd@crhc.uiuc.edu>
2321         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2323 2007-02-07  Ian Lance Taylor  <iant@google.com>
2325         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2327 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2329         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2330         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2331         tablejumpdi, movsi_to_cr_one): Remove constraints from
2332         define_expand's match_operands.
2334 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2336         * global.c (compute_regsets): Move declatation of "i" inside of
2337         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2339 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2341         PR c++/30703
2342         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2343         of INDIRECT_REF <RESULT_DECL>.
2345         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2347 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
2348             Kaz Kojima  <kkojima@gcc.gnu.org>
2350         PR target/29746
2351         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2352         properly.
2353         (sh_initialize_trampoline): Add parentheses to avoid a warning.
2355 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2357         * doc/loop.texi: Document possibility not to perform disambiguation
2358         of loops with multiple latches.
2359         * cfgloopmanip.c (alp_enum_p): Removed.
2360         (add_loop): Handle subloops.  Use get_loop_body_with_size.
2361         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2362         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2363         the new forwarder block.
2364         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2365         Handle the case latch is NULL.
2366         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2367         when marking loop exits.
2368         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
2369         be modified.
2370         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
2371         disambiguate_loops_with_multiple_latches.
2372         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2373         before fix_loop_structure.
2374         * cfgloop.c: Include pointer-set.h and output.h.
2375         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2376         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2377         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2378         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2379         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2380         disambiguate_multiple_latches, get_loop_body_with_size,
2381         disambiguate_loops_with_multiple_latches): New functions.
2382         (flow_loop_dump): Dump multiple latch edges.
2383         (flow_loop_nodes_find): Handle loops with multiple latches.
2384         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2385         (glb_enum_p): Modified.
2386         (get_loop_body): Use get_loop_body_with_size.
2387         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2388         (AVOID_CFG_MODIFICATIONS): New constant.
2389         (disambiguate_loops_with_multiple_latches, add_loop,
2390         get_loop_body_with_size): Declare.
2391         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2393 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
2395         PR inline-asm/28686
2396         * global.c (compute_regsets): New function.
2397         (global_alloc): Refactored ELIMINABLE_REGSET
2398         and NO_GLOBAL_ALLOC_REGS computation out.
2399         (rest_of_handle_global_alloc): Call compute_regsets()
2400         for non-optimizing case.
2402 2007-02-06  Richard Henderson  <rth@redhat.com>
2404         * config/i386/constraints.md (Y2): Rename from Y.
2405         (Yi): New constraint.
2406         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2407         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2408         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2409         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2410         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2411         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2412         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2413         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2414         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2415         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2416         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2417         vec_extractv2si_1): Change Y constraints to Y2.
2418         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2419         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2420         Change Y constraints to Y2.
2421         (sse2_loadld): Change Y constraints to x.
2423 2007-02-06  Roger Sayle  <roger@eyesopen.com>
2425         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2426         (parity<mode>2): New define_expand using rs6000_emit_parity.
2427         * config/rs6000/rs6000.c (rs6000_emit_popcount,
2428         rs6000_emit_parity): New functions.
2429         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2430         rs6000_emit_parity): Prototype here.
2432 2007-02-06  Ian Lance Taylor  <iant@google.com>
2434         * lower-subreg.c (simple_move_operand): Reject CONST.
2435         (resolve_clobber): Call validate_change rather than directly
2436         assigning to XEXP (pat, 0).
2438 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2440         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2441         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2442         (tree-cfg.o): Remove hashtab.h dependency.
2444         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2445         (struct ivopts_data): Change niters to pointer_map_t.
2446         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2447         (niter_for_exit): Create pointer_map on demand.  Change for
2448         pointer_map API.
2449         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2450         (free_loop_data): Destroy data->niters if created and reset field.
2451         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2452         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2454         * tree-ssa-reassoc.c: Include pointer-set.h.
2455         (bb_rank): Change to long *.
2456         (operand_rank): Change to pointer_map_t.
2457         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2458         (insert_operand_rank): Accept long.
2459         (operand_entry_hash, operand_entry_eq): Remove.
2460         (get_rank): Return long.  Adjust for changes above.
2461         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2462         and operand_rank.
2463         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2465         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2466         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2467         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2468         is not NULL.
2469         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2470         directly since it cannot be NULL.
2471         (get_vi_for_tree): Rewrite for pointer_map API.
2472         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2473         (init_alias_vars): Create vi_for_tree as pointer_map.
2474         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2476         * tree-cfg.c: Don't include hashtab.h.
2477         (edge_to_cases): Declare as pointer_map.
2478         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2479         Delete.
2480         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2481         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2482         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2483         destroying it.
2484         (record_switch_edge): Delete.
2485         (get_cases_for_edge): Adjust for pointer_map API, inline
2486         record_switch_edge (rewritten for new API), remove goto.
2488 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2490         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2491         * tree-nested.c: Include pointer-set.h.
2492         (var_map_elt, var_map_eq, var_map_hash): Delete.
2493         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2494         to pointer_map_t's.
2495         (nesting_info_bitmap_obstack): New.
2496         (lookup_field_for_decl): Adjust for pointer_map API.
2497         (lookup_tramp_for_decl): Adjust for pointer_map API.
2498         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2499         (get_local_debug_decl): Adjust for pointer_map API.
2500         (convert_nl_goto_reference): Adjust for pointer_map API.
2501         (convert_nl_goto_receiver): Adjust for pointer_map API.
2502         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2503         the new obstack.  Create field_map and var_map as pointer_maps.
2504         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2505         (root): Delete.
2506         (lower_nested_functions): Move root here, no need to NULL it.
2507         Initialize and release the obstack.
2509 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2511         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2512         Remove prototypes and make them non-static.
2513         (struct tree_int_map): Remove.
2514         * tree.h (struct tree_int_map): Move here, turning TO into an
2515         unsigned int.
2516         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2518         * tree.h (TREE_COMPLEXITY): Remove.
2519         (struct tree_exp): Remove complexity field.
2520         * tree.c (build1_stat): Don't set it.
2522 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2523             Victor Kaplansky  <victork@il.ibm.com>
2525         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2526         (vect_is_simple_reduction): Support reduction with induction as
2527         one of the operands.
2528         (vect_is_simple_iv_evolution): Fix formatting.
2529         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2530         formatting.  Don't mark induction phis for vectorization.
2531         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2532         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2533         (vect_get_vec_def_for_operand): Support induction.
2534         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2535         induction case.
2536         (vectorizable_reduction): Support reduction with induction as one of
2537         the operands.
2538         (vectorizable_type_demotion): Use def-type of stmt argument rather
2539         than dummy def-type.
2541         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2542         flag_tree_scev_cprop.
2543         * common.opt (tree-scev-cprop): New flag.
2545         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2546         call to vect_get_new_vect_var.
2548 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2550         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2551         vectype is not NULL.
2552         (vect_pattern_recog_1): Likewise.
2554 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2556         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2557         (fold_negate_expr): Likewise.
2559 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2561         PR debug/30189
2562         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2563         even if cv-qualification is the same.
2565 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2567         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2568         __enable_execute_stack on completion.
2570 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2572         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2573         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2574         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2575         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2576         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2577         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2578         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2579         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2581 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2583         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2584         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2585         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2586         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2587         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2588         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2589         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2590         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2591         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2592         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2593         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2594         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2595         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2596         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2597         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2598         sqrtextenddfxf2_i387): Added amdfam10_decode.
2600         * config/i386/athlon.md (athlon_idirect_amdfam10,
2601         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2602         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2603         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2604         athlon_ivector_store_amdfam10): New define_insn_reservation.
2605         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2606         amdfam10.
2608 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2610         * config/i386/athlon.md (athlon_call_amdfam10,
2611         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2612         define_insn_reservation.
2613         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2614         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2615         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2617 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2619         * config/i386/athlon.md (athlon_sseld_amdfam10,
2620         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2621         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2623 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2625         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2626         define_insn_reservation.
2627         * config/i386/i386.md (sseins): Added sseins to define_attr type
2628         and define_attr unit.
2629         * config/i386/sse.md: Set type attribute to sseins for insertq
2630         and insertqi.
2632 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2634         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2635         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2636         ssecomi_load_amdfam10, ssecomi_amdfam10,
2637         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2638         define_insn_reservation.
2639         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2641 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2643         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2644         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2645         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2646         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2647         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2648         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2649         define_insn_reservation.
2651         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2652         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2653         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2654         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2655         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2657 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2659         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2660         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2661         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2662         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2663         athlon_ssemul_load_k8): Added amdfam10.
2665 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2667         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2668         (x86_sse_unaligned_move_optimal): New variable.
2670         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2671         m_AMDFAM10.
2672         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2673         for unaligned vector SSE double/single precision loads for AMDFAM10.
2675 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2677         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2678         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2679         Define TARGET_CPU_DEFAULT_amdfam10.
2680         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2681         (processor_type): Add PROCESSOR_AMDFAM10.
2683         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2684         processor_type in config/i386/i386.h.
2685         Enable imul peepholes for TARGET_AMDFAM10.
2687         * config.gcc: Add support for --with-cpu option for amdfam10.
2689         * config/i386/i386.c (amdfam10_cost): New variable.
2690         (m_AMDFAM10): New macro.
2691         (m_ATHLON_K8_AMDFAM10): New macro.
2692         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2693         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2694         x86_promote_QImode, x86_integer_DFmode_moves,
2695         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2696         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2697         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2698         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2699         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2700         Enable/disable for amdfam10.
2701         (override_options): Add amdfam10_cost to processor_target_table.
2702         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2703         processor_alias_table.
2704         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2705         (ix86_adjust_cost): Add code for amdfam10.
2707 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2709         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2710         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2711         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2712         * config/i386/i386.h: Add builtin definition for SSE4A.
2713         * config/i386/i386.md: Add support for ABM instructions
2714         (popcnt and lzcnt).
2715         * config/i386/sse.md: Add support for SSE4A instructions
2716         (movntss, movntsd, extrq, insertq).
2717         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2718         Add -march=amdfam10 flag.
2719         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2720         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2721         and amdfam10.
2722         * doc/extend.texi: Add documentation for SSE4A builtins.
2724 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2726         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2728 2007-02-05  Richard Guenther  <rguenther@suse.de>
2730         * tree-vectorizer.h (vectorizable_function): Add argument type
2731         argument, change return type.
2732         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2733         * tree-vect-transform.c (vectorizable_function): Handle extra
2734         argument, return vectorized function decl.
2735         (build_vectorized_function_call): Remove.
2736         (vectorizable_call): Handle calls with result and argument types
2737         differing.  Handle loop vectorization factor correctly.
2738         * targhooks.c (default_builtin_vectorized_function): Adjust for
2739         extra argument.
2740         * targhooks.h (default_builtin_vectorized_function): Likewise.
2741         * target.h (builtin_vectorized_function): Add argument type
2742         argument.
2743         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2744         extra argument, allow vectorizing of lrintf.
2745         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2746         documentation of target hook.
2748 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2750         PR target/30665
2751         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2752         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2753         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2755 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2757         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2758         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2759         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2760         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2761         before canonicalizing sincos to cexpi.
2762         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2764 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2766         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2767         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2768         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2770 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2772         * mips-tfile.c (initialize_init_file): Correct endianness test.
2774 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2776         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2777         the 'y' constraint.
2779 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2781         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2782         saves in a PARALLEL before the register assignments.
2784 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2786         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2787         DWARF_FRAME_RETURN_COLUMN to be a general register.
2788         * dwarf2out.c (init_return_column_size): New function, split from...
2789         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2790         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2791         to be nongeneral registers.
2792         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2793         integer registers.
2794         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2795         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2797 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2799         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2801 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2803         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2804         (remove_path): Use can_remove_branch_p and remove_branch instead
2805         of loop_delete_branch_edge.
2806         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2807         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2808         Update profile using scale_dominated_blocks_in_loop.
2809         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2810         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2811         (can_remove_branch_p, remove_branch): Declare.
2812         * tree-cfg.c (tree_can_remove_branch_p): New function.
2813         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2814         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2815         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2817 2007-02-05  Jan Hubicka  <jh@suse.cz>
2819         PR middle-end/30696
2820         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2821         nodes in cgraph, don't remove offline copy of the function.
2823 2007-02-04  Jan Hubicka  <jh@suse.cz>
2825         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2826         vectors might cause maybe_lookup_element_for_expr to be called
2827         on non-sra-candidate.
2829 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2831         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2832         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2833         spelling conventions.
2835 2007-02-04  Richard Guenther  <rguenther@suse.de>
2837         PR middle-end/30636
2838         * fold-const.c (try_move_mult_to_index): Make sure to not
2839         overflow one dimension of a multi-dimensional array access.
2841 2007-02-04  Jan Hubicka  <jh@suse.cz>
2843         * passes.c (init_optimization_passes): Reindent.
2845 2007-02-04  Jan Hubicka  <jh@suse.cz>
2846             Eric Botcazou  <ebotcazou@adacore.com>
2848         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2849         (execute_fixup_cfg): Break out the abnormal goto code.
2850         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2851         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2852         (optimize_inline_calls): Call make_nonlocal_label_edges.
2854 2007-02-04  Jan Hubicka  <jh@suse.cz>
2856         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2857         true when something was changed.
2858         (rename_ssa_copies): When something was changed, do
2859         TODO_remove_unused_locals.
2860         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2861         add TODO_remove_unused_locals when instruction was removed.
2863 2007-02-04  Jan Hubicka  <jh@suse.cz>
2865         * ipa-inline.c (try_inline): Improve debug output; work on already
2866         inline edges too.
2867         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2868         call try_inline for already inlined edges too when flattening;
2869         inline also functions that make callee growth but overall unit size
2870         reduce.
2872 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2874         * config/m32c/bitops.md, config/m32c/jump.md,
2875         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2876         config/m32r/m32r.h, config/m32r/m32r.md,
2877         config/m32r/predicates.md, config/m68hc11/larith.asm,
2878         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2879         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2880         config/mips/mips-protos.h, config/mips/mips.c,
2881         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2882         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2883         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2884         spelling conventions.
2886         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2887         Follow spelling conventions.
2889 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2891         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2892         warn about C++0x compatibility.
2894 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2896         * config/h8300/h8300.c, config/h8300/h8300.h,
2897         config/h8300/h8300.md: Follow spelling conventions.
2899 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2901         PR middle-end/30667
2902         * combine.c (try_combine): Do not substitute source operand
2903         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2905 2007-02-03  Jan Hubicka  <jh@suse.cz>
2907         PR gcov-profile/30650
2908         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2909         do not divide by zero for never executed counters.
2910         (tree_find_values_to_profile): Fix counters.
2911         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2913 2007-02-03  Ian Lance Taylor  <iant@google.com>
2915         * lower-subreg.c (simple_move_operand): New static function,
2916         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2917         operands.
2918         (simple_move): Call simple_move_operand.
2919         (find_decomposable_subregs): Add special handling of MEMs.
2920         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2921         meaning of return value.  If we see a hard register, test whether
2922         it can store a word_mode value.  Change all callers.
2924 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2926         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2927         ftrapv insns and expanders.
2928         (subdi3): Change define_expand operand 1 to arith11_operand, and
2929         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2930         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2931         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2932         respectively.
2934         PR middle-end/30174
2935         * varasm.c (notice_global_symbol): Treat global objects as weak when
2936         flag_shlib is true.
2938 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2940         * emit-rtl.c (dconstpi): Delete.
2941         (dconstsqrt2): New.
2942         (init_emit_once): Delete dconstpi and init dconstsqrt2.
2943         * real.h (dconstpi): Delete.
2944         (dconstsqrt2): New.
2945         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2946         (fold_builtin_hypot): Likewise.
2948 2007-02-03  Tom Tromey  <tromey@redhat.com>
2950         PR driver/30246
2951         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2952         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2954 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2956         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2957         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2958         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2959         config/rs6000/cell.md, config/rs6000/darwin.h,
2960         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2961         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2962         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2963         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2964         typos.  Follow spelling conventions.
2965         * doc/invoke.texi: Follow spelling conventions.
2967 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2969         * simplify-rtx.c (simplify_relational_operation_1): Implement some
2970         canonicalization transformations that attempt to simplify integer
2971         constant comparisons to become comparisons against zero.
2973 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2975         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2976         fabs(x)*sqrt(2).
2977         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
2978         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
2980 2007-02-02  Mike Stump  <mrs@apple.com>
2982         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2983         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2984         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2985         generate a branch island.
2987 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
2989         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2990         (xtensa_legitimate_address_p): New.
2991         (xtensa_legitimize_address): New.
2992         (xtensa_output_addr_const_extra): New.
2993         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2994         (BASE_REG_P): New.
2995         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2996         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2997         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2998         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2999         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
3000         (xtensa_legitimize_address): New.
3001         (xtensa_output_addr_const_extra): New.
3003 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
3005         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
3007 2007-02-02  Ian Lance Taylor  <iant@google.com>
3009         * expmed.c (expand_divmod): Add comment.
3011 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
3013         * emit-rtl.c (renumber_insns): Remove.
3014         * flags.h: Remove the extern for flag_renumber_insns.
3015         * rtl.h: Remove the prototype for renumber_insns.
3016         * toplev.c (flag_renumber_insns): Remove.
3018 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
3020         Revert for x86 darwin:
3021         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
3023         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
3024         code before the following patch under TARGET_MACHO.
3025         (ix86_function_value_regno_p): Likewise.
3027 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3029         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
3030         COMPLEX_EXPR.
3032 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3034         PR target/29682
3035         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
3036         general or fp registers.  Add comments.
3037         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
3039 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
3041         * pointer-set.c (insert_aux): Only return insertion slot.
3042         (pointer_set_insert): Adjust.
3043         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
3044         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
3045         pointer_map_traverse): New.
3046         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
3047         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
3048         pointer_map_contains, pointer_map_traverse): Declare.
3050 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
3052         PR middle-end/30473
3053         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
3054         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
3056 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3058         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
3060         (struct _dep): New type.
3061         (dep_t): New typedef.
3062         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
3063         (DEP_STATUS): New access macro.  The macro with the same name was
3064         renamed to DEP_LINK_STATUS.
3065         (dep_init): Declare function
3067         (struct _dep_link): New type.
3068         (dep_link_t): New typedef.
3069         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
3070         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
3071         (DEP_LINK_STATUS): New macro.
3072         (debug_dep_links): New debug function.
3074         (struct _deps_list): New type.
3075         (deps_list_t): New typedef.
3076         (DEPS_LIST_FIRST): New access macro.
3077         (FOR_EACH_DEP_LINK): New cycle macro.
3078         (create_deps_list, free_deps_list, delete_deps_list): Declare
3079         functions.
3080         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
3081         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
3082         (copy_deps_list_change_con): Ditto.
3084         (move_dep_link): Declare function.
3086         (struct _dep_node): New type.
3087         (dep_node_t): New typedef.
3088         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
3090         (struct haifa_insn_data.back_deps): New field to hold backward
3091         dependencies of the insn.
3092         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
3093         to deps_list_t.
3094         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
3095         Change its type to deps_list_t.
3096         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
3097         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
3098         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
3100         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
3102         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
3104         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
3105         all callers.
3106         (dep_cost): Declare.
3108         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
3109         (ds_to_dk, dk_to_ds): New functions.
3111         (init_dep_1): New static function.
3112         (init_dep): New function.
3113         (copy_dep): New static function.
3115         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
3116         functions.
3117         (detach_dep_link): New static function.
3118         (move_dep_link): New function.
3120         (dep_links_consistent_p, dump_dep_links): New static functions.
3121         (debug_dep_links): New debugging function.
3123         (deps_obstack, dl_obstack, dn_obstack): New static variables.
3125         (alloc_deps_list, init_deps_list): New static functions.
3126         (create_deps_list): New function.
3127         (clear_deps_list): New static function.
3128         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
3129         (deps_list_consistent_p, dump_deps_list): New static functions.
3130         (debug_deps_list): New function.
3131         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
3132         functions.
3133         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
3135         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
3136         use new scheduler dependencies lists.
3137         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
3138         (sched_analyze): Ditto.  Initialize dependencies lists.
3139         (add_forw_dep, compute_forward_dependences): Update to use new
3140         scheduler dependencies lists.
3142         (init_dependency_caches): Init deps_obstack.
3143         (free_dependency_caches): Free deps_obstack.
3145         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
3146         new scheduler dependencies lists.
3147         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
3148         (add_back_forw_dep, delete_back_forw_dep): Ditto.
3150         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
3151         Update to use new scheduler dependencies lists.
3152         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
3153         (debug_dependencies): Ditto.
3154         (schedule_region): Update comments.
3156         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
3157         scheduler dependencies lists.
3158         (schedule_ebb): Update comments.
3160         * rtl.def (DEPS_LIST): Remove.
3162         * lists.c (unused_deps_list): Remove.
3163         (free_list): Update assertions.
3165         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
3166         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3168         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
3169         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3171         * haifa-sched.c (comments): Update.
3172         (insn_cost1): Remove.  Inline the code into insn_cost ().
3173         (insn_cost): Update to use new scheduler dependencies lists.  Move
3174         processing of the dependency cost to dep_cost ().
3175         (dep_cost): New function.  Use it instead of insn_cost () when
3176         evaluating cost of the dependency.  Use compatible interface to
3177         interact with the target.
3178         (priority): Update to use new scheduler dependencies lists.
3179         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
3180         with greater number of insns that depend on the insn.
3181         (schedule_insn): Update to use new scheduler dependencies lists.  Add
3182         code to free backward dependencies lists.  Inline and optimize code
3183         from resolve_dep () - see PR28071.
3184         (ok_for_early_queue_removal): Update to use new scheduler dependencies
3185         lists.  Update call to targetm.sched.is_costly_dependence hook.
3187         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
3188         scheduler dependencies lists.
3190         (resolve_dep): Remove.  Move the logic to schedule_insn ().
3191         (init_h_i_d): Initialize dependencies lists.
3193         (process_insn_depend_be_in_spec): Rename to
3194         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
3195         dependencies lists.
3196         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
3197         Update to use new scheduler dependencies lists.
3198         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
3200         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
3201         new scheduler dependencies lists.
3202         (build_intra_loop_deps): Ditto.
3204         * target.h (struct _dep): Declare to use in
3205         gcc_target.sched.is_costly_dependence.
3206         (struct gcc_target.sched.adjust_cost): Fix typo.
3207         (struct gcc_target.sched.is_costly_dependence): Change signature to use
3208         single dep_t parameter instead of an equivalent triad.
3209         (struct gcc_target.sched.adjust_cost_2): Remove.
3211         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
3213         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
3215         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
3216         documentation.
3217         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
3219         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
3220         (REG_DEP_TRUE): Document.
3222         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
3223         Change signature to correspond to the targetm.sched.adjust_cost hook.
3224         Update use in TARGET_SCHED_ADJUST_COST_2.
3225         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
3226         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
3227         new scheduler dependencies lists.
3228         (ia64_gen_check): Ditto.
3230         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
3231         dependencies lists.
3233         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
3234         signature to correspond to the targetm.sched.is_costly_dependence hook.
3235         (is_costly_group): Update to use new scheduler dependencies lists.
3237         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
3238         instead of INSN_COST () macro.
3240 2007-02-01  Ian Lance Taylor  <iant@google.com>
3242         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
3244 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
3246         * pa.md (tp_load): Correct mfctl instruction syntax.
3248 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
3250         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
3251         altivec_padding_size calculation on AIX.  Improve comment, add
3252         assert to verify that it's right.
3254         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
3255         64-bit.
3257 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
3259         PR inline-asm/28686
3260         * global.c (global_alloc): Add mising initialization of
3261         ELIMINABLE_REGSET.
3263 2007-02-01  Roger Sayle  <roger@eyesopen.com>
3265         * alias.c (init_alias_analysis): Correct whitespace.
3266         * bb-reorder.c (fix_edges_for_rarely_executed_code,
3267         partition_hot_cold_basic_blocks): Likewise.
3268         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3269         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
3270         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3271         fold_builtin_snprintf_chk, fold_builtin_printf,
3272         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
3273         do_mpfr_arg3, do_mpfr_sincos): Likewise.
3274         * cfgcleanup.c (cleanup_cfg): Likewise.
3275         * cfgexpand.c (tree_expand_cfg): Likewise.
3276         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
3277         * function.c (get_next_funcdef_no): Likewise.
3278         * gengtype.c (main): Likewise.
3279         * genmodes.c (main): Likewise.
3280         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3281         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3282         * ifcvt.c (noce_emit_move_insn): Likewise.
3283         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
3284         Likewise.
3285         * stor-layout.c (get_best_mode): Likewise.
3286         * tree-ssa-loop-niter.c (get_val_for): Likewise.
3287         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3288         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3289         perform_var_substitution, solve_graph): Likewise.
3290         * tree-vrp.c (vrp_finalize): Likewise.
3292 2007-02-01  Ian Lance Taylor  <iant@google.com>
3294         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3295         high part of a paradoxical subreg, return a constant zero.
3297 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
3299         * toplev.c (lang_dependent_init): Call init_set_costs.
3300         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3302 2007-02-01  Richard Guenther  <rguenther@suse.de>
3304         PR middle-end/30656
3305         * fold-const.c (fold_negate_expr): Allow negating a
3306         constant if overflow does not change.
3308 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3310         * doc/c-tree.texi (Expression trees): Improve markup.
3311         * doc/tm.texi (Register Classes, Addressing Modes)
3312         (Floating Point): Fix spacing after abbreviations.  Fix some
3313         typos.
3315 2007-02-01  Ben Elliston  <bje@au.ibm.com>
3317         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3318         * doc/contrib.texi: Likewise.
3319         * doc/install.texi: Likewise.
3321 2007-01-31  Richard Henderson  <rth@redhat.com>
3322             Ian Lance Taylor  <iant@google.com>
3324         * lower-subreg.c: New file.
3325         * rtl.def (CONCATN): Define.
3326         * passes.c (init_optimization_passes): Add pass_lower_subreg and
3327         pass_lower_subreg2.
3328         * emit-rtl.c (update_reg_offset): New static function, broken out
3329         of gen_rtx_REG_offset.
3330         (gen_rtx_REG_offset): Call update_reg_offset.
3331         (gen_reg_rtx_offset): New function.
3332         * regclass.c: Revert patch of 2006-03-05, restoring
3333         reg_scan_update.
3334         (clear_reg_info_regno): New function.
3335         * dwarf2out.c (concatn_loc_descriptor): New static function.
3336         (loc_descriptor): Handle CONCATN.
3337         * common.opt (fsplit_wide_types): New option.
3338         * opts.c (decode_options): Set flag_split_wide_types when
3339         optimizing.
3340         * timevar.def (TV_LOWER_SUBREG): Define.
3341         * rtl.h (gen_reg_rtx_offset): Declare.
3342         (reg_scan_update): Declare.
3343         * regs.h (clear_reg_info_regno): Declare.
3344         * tree-pass.h (pass_lower_subreg): Declare.
3345         (pass_lower_subreg2): Declare.
3346         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3347         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
3348         -fsplit-wide-types.
3349         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3350         * Makefile.in (OBJS-common): Add lower-subreg.o.
3351         (lower-subreg.o): New target.
3353 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3355         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3357 2007-01-31  Anatoly Sokolov <aesok@post.ru>
3359         PR target/19087
3360         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3362 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3364         PR middle-end/29335
3365         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3367 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
3369         * cfgloop.h: Include vec-prim.h.
3370         (enum li_flags): Remove LI_ONLY_OLD.
3371         (loop_iterator): Changed.
3372         (fel_next, fel_init): Iterate over loop tree.
3373         (FOR_EACH_LOOP_BREAK): New macro.
3374         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3375         FOR_EACH_LOOP.
3376         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3377         * modulo-sched.c (sms_schedule): Ditto.
3378         * tree-vectorizer.c (vectorize_loops): Ditto.
3379         * doc/loop.texi: Update information on loop numbering and behavior of
3380         FOR_EACH_LOOP wrto new loops.
3381         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3382         add_to_evolution_1): Test nestedness of loops instead of comparing
3383         their numbers.
3384         * tree-chrec.c (chrec_fold_plus_poly_poly,
3385         chrec_fold_multiply_poly_poly, chrec_evaluate,
3386         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3387         reset_evolution_in_loop): Ditto.
3388         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3390 2007-01-31  Dirk Mueller  <dmueller@suse.de>
3392         * c-common.c (warn_about_parentheses): Separate warning about
3393         un-parenthized sequence of comparison operators from the one
3394         which is supposed to warn about x <= y <= z.
3396 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
3398         * optabs.h (enum optab_index): Add new OTI_isinf.
3399         (isinf_optab): Define corresponding macro.
3400         * optabs.c (init_optabs): Initialize isinf_optab.
3401         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3402         patterns.
3403         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3404         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3405         using isinf_optab.
3406         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3407         expand_builtin_interclass_mathfn.
3408         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3409         * config/i386/i386.md (UNSPEC_FXAM): New constant.
3410         (fxam<mode>2_i387): New insn pattern.
3411         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3412         built-in functions as x87 inline asm.
3414 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3416         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3418 2007-01-30  Eric Christopher  <echristo@apple.com>
3420         * config.gcc: Add geode.
3422 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3424         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3425         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3426         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3427         value-prof.c: Fix comment typos.
3429 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3431         PR c++/24745
3432         * doc/invoke.texi (Wpointer-arith): Document warning.
3434 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
3436         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3437         the list of discrepancies from the draft TR.
3439 2007-01-30  Dirk Mueller  <dmueller@suse.de>
3441         PR c++/30601
3442         * doc/invoke.texi (-Wreturn-type): Update description to
3443         match new behavior.
3445 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
3447         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3449 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
3451         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3452         to handle optabs that operate on floating point input argument and
3453         output to integer output.
3454         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3455         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3456         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3457         expand_builtin_interclass_mathfn ().
3458         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3459         (ilogbsi2): Remove.
3460         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3461         ilogbl built-in functions as x87 intrinsics.
3463 2007-01-30  Richard Guenther  <rguenther@suse.de>
3465         PR middle-end/27657
3466         * dwarf2out.c (reference_to_unused): Query varpool if the
3467         variable was output.
3469 2007-01-30  Richard Guenther  <rguenther@suse.de>
3471         PR middle-end/30313
3472         * passes.c (execute_one_pass): Reset in_gimple_form to not
3473         confuse non-unit-at-a-time mode.
3475 2007-01-29  Roger Sayle  <roger@eyesopen.com>
3476             Richard Guenther  <rguenther@suse.de>
3478         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3479         avoid undefined behaviour on overflow.  Use force_fit_type_double
3480         to construct the constant with the specified TREE_OVERFLOW.
3482 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3484         * config/dfp-bit.c: Add parameterized support for fp exceptions.
3485         * config/dfp-bit.h: Ditto.
3487 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3489         * c-decl.c (pop_scope): Replace warnings with call to
3490         warn_for_unused_label.
3491         * c-common.h (warn_for_unused_label): Declare.
3492         * c-common.c (warn_for_unused_label): Define.
3494 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3496         * tree-optimize.c (update_inlined_to_pointers): Delete unused
3497         function.
3499 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3501         * Makefile.in (USER_H): Remove decfloat.h.
3502         * ginclude/decfloat.h: Delete, moving contents to ...
3503         * ginclude/float.h: Add support for decimal floating point,
3504         guarded by __STDC_WANT_DEC_FP__.
3506 2007-01-29  Mike Stump  <mrs@apple.com>
3508         * doc/gccint.texi (Top): Rename Loop Representation to Loop
3509         Analysis and Representation to resolve case insensitive conflict.
3510         * doc/loop.texi (Loop Analysis and Representation): Likewise.
3512 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
3514         * tree.h (struct tree_memory_tag): Add aliases member.
3515         (MTAG_ALIASES): New macro.
3516         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3517         (add_may_alias): Remove pointer-set. Update for may_aliases being
3518         a bitmap.
3519         (mark_aliases_call_clobbered): Update for may_aliases being a
3520         bitmap.
3521         (compute_tag_properties): Ditto.
3522         (create_partition_for): Ditto.
3523         (compute_memory_partitions): Ditto.
3524         (dump_may_aliases_for): Ditto.
3525         (is_aliased_with): Ditto.
3526         (add_may_alias_for_new_tag): Ditto.
3527         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3528         (compute_is_aliased): New function.
3529         (compute_may_aliases): Call compute_is_aliased).
3530         (init_alias_info): Initialize alias_bitmap_obstack.
3531         (union_alias_set_into): New function.
3532         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3533         (have_common_aliases_p): Rewrite to take two bitmaps and use
3534         intersection.
3535         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3536         Update for bitmaps.
3537         (finalize_ref_all_pointers): Update for add_may_alias changes.
3538         (new_type_alias): Ditto.
3539         * tree-flow-inline.h (may_aliases): Return a bitmap.
3540         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3541         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3542         may_aliases being a bitmap.
3543         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3544         may_aliases now returns a bitmap.
3545         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3546         being a bitmap.
3547         * tree-ssa-operands.c (add_virtual_operand): Update for
3548         may_aliases being a bitmap.
3550 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3552         PR tree-optimization/30630
3553         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3554         variable as changed.
3556 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3558         PR c++/28266
3559         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3560         expanded only once even if an error occurs.
3562 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3564         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3565         (__gcov_average_profiler): Likewise.
3566         (__gcov_ior_profiler): Likewise.
3567         (__gcov_merge_ior): Likewise.
3569 2007-01-28  Jan Hubicka  <jh@suse.cz>
3571         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3572         * value-prof.c (stringop_block_profile): Likewise.
3574 2007-01-28  Jan Hubicka  <jh@suse.cz>
3576         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3577         variant handling histograms; add wrapper.
3578         (clear_storage_via_libcall): Export.
3579         (emit_block_move_hints): Break out from ...; add histograms.
3580         (emit_block_move): ... this one.
3581         (clear_storage_hints): Break out from ...; add histograms.
3582         (clear_storage): ... this one.
3583         (set_storage_via_memset): Handle histogram.
3584         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3585         (clear_storage_hints, clear_storage_via_libcall): Declare.
3586         (set_storage_via_setmem): Update prototype.
3587         * doc/md.texi (movmem, setmem): Document new arguments.
3589         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3590         new histograms.
3591         (stringop_block_profile): New global function.
3592         (tree_stringops_values_to_profile): Profile block size and alignment.
3593         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3594         HIST_TYPE_IOR.
3595         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3596         (stringop_block_profile): Declare.
3597         * builtins.c: Include value-prof.h.
3598         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3599         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3600         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3601         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3602         * profile.c (instrument_values): Add new counters.
3603         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3604         calls.
3605         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3606         (tree_init_edge_profiler): Build new profilers.
3607         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3608         (pass_tree_profile): Add dump.
3609         (tree_profile_hooks): Update.
3610         * Makefile.in (LIBGCOV): Add new constants.
3611         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3612         __gcov_ior_profiler): New.
3613         * i386.md (movmem/setmem expanders): Add new optional arguments.
3615 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3617         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3619 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3621         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3622         (tree_unswitch_single_loop): Pass eni_size_weights to
3623         tree_num_loop_insns.
3624         * tree-ssa-loop-manip.c: Include tree-inline.h.
3625         (can_unroll_loop_p): Pass eni_size_weights to
3626         tree_num_loop_insns.
3627         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3628         Pass eni_size_weights to estimate_num_insns.
3629         * tree.h (init_inline_once): Export.
3630         * toplev.c (backend_init): Call init_inline_once.
3631         * cgraphunit.c (cgraph_process_new_functions,
3632         cgraph_analyze_function): Pass eni_inlining_weights to
3633         estimate_num_insns.
3634         * ipa-inline.c (compute_inline_parameters): Ditto.
3635         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3636         to estimate_num_insns.
3637         (try_unroll_loop_completely): Pass eni_size_weights to
3638         tree_num_loop_insns.
3639         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3640         ot estimate_num_insns.
3641         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3642         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3643         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3644         eni_time_weights): New variables.
3645         (init_inline_once): Initialize them.
3646         (struct eni_data): Mew.
3647         (estimate_num_insns_1, estimate_num_insns): Use weights.
3648         * tree-inline.h (struct eni_weights_d): New.
3649         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3650         (estimate_num_insns): Declaration changed.
3651         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3652         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3653         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3655 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3657         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3658         relations in the conflict function is valid.
3660 2007-01-27  Ian Lance Taylor  <iant@google.com>
3662         * common.opt: Add fstrict-overflow.
3663         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3664         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3665         (TYPE_OVERFLOW_UNDEFINED): Define.
3666         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3667         Replace all uses.
3668         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3669         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3670         (fold_negate_expr): Likewise.
3671         (make_range): Likewise.
3672         (extract_muldiv_1): Likewise.
3673         (maybe_canonicalize_comparison): Likewise.
3674         (fold_comparison): Likewise.
3675         (fold_binary): Likewise.
3676         (tree_expr_nonnegative_p): Likewise.
3677         (tree_expr_nonzero_p): Likewise.
3678         * tree-vrp.c (compare_values): Likewise.
3679         (extract_range_from_binary_expr): Likewise.
3680         (extract_range_from_unary_expr): Likewise.
3681         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3682         Likewise.
3683         (nowrap_type_p): Likewise.
3684         * tree-scalar-evolution.c (simple_iv): Likewise.
3685         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3686         (build_range_check): Likewise.
3687         (extract_muldiv_1): Likewise.
3688         (fold_comparison): Likewise.
3689         * tree-vrp.c (vrp_int_const_binop): Likewise.
3690         (extract_range_from_unary_expr): Likewise.
3691         * convert.c (convert_to_integer): Likewise.
3692         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3693         (fold_comparison): Likewise.
3694         (fold_binary): Likewise.
3695         * optabs.c (optab_for_tree_code): Likewise.
3696         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3697         * simplify-rtx.c (simplify_const_relational_operation): Check
3698         flag_strict_overflow and flag_trapv.
3699         (simplify_const_relational_operation): Likewise.
3700         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3701         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
3702         -fstrict-overflow.
3704 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3706         * tree.c (tree_fold_gcd): Delete.
3707         * tree.h (tree_fold_gcd): Remove prototype.
3708         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3709         test whether one constant integer is a multiple of another.  Instead
3710         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3711         * fold-const.c (multiple_of_p):  We've determined both TOP and
3712         BOTTOM are integer constants so we can call int_const_binop directly
3713         instead of the more generic const_binop.
3715 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3717         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3718         1*X check that the constant hasn't overflowed, to preserve the
3719         TREE_OVERFLOW bit.
3720         (round_up): Provide an efficient implementation when rouding-up an
3721         INTEGER_CST to a power-of-two.
3723 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3725         * doc/sourcebuild.texi: Add comma for clarity.
3726         * doc/extend.texi: Fix some typos.
3727         * doc/passes.texi: Likewise.
3728         * doc/cppinternals.texi: Likewise.
3729         * doc/c-tree.texi: Likewise.
3730         * doc/tree-ssa.texi: Likewise.
3731         * doc/install.texi: Likewise.
3733 2007-01-27  Jan Hubicka  <jh@suse.cz>
3735         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3736         (pass_sra): Do not require alias information.
3737         * passes.c (init_optimization_passes): Add SRA
3739 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3741         * tracer.c (rest_of_handle_tracer): We already cleaned
3742         up the CFG in tracer() so don't do it here again.
3743         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3744         cleanup_cfg here, either.  And don't call renumber_insns.
3746         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3747         and BB_HEAD are in the insn stream here.  Instead make sure
3748         that BB_INSN is valid on all insns.  Also, do check here that
3749         there are no pending branch predictions...
3750         (rtl_verify_flow_info): ...instead of doing it here.  Checks
3751         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3752         here.
3754 2007-01-26  Roger Sayle  <roger@eyesopen.com>
3756         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3757         function to simplify/factorize operand order canonicalization.
3758         (ix86_fixup_binary_operands): Reorganize using the above function.
3759         (ix86_binary_operator_ok): Likewise.
3761 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3763         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3764         file scope from optimize_attrs.
3765         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3766         up search.
3767         (optimize_attrs): Clear insn_code_values after freeing it.
3769 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3771         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3772         a parts.base assignment.
3774 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3776         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3777         (compute_subscript_distance, initialize_data_dependence_relation,
3778         finalize_ddr_dependent, analyze_ziv_subscript,
3779         analyze_siv_subscript_cst_affine,
3780         compute_overlap_steps_for_affine_univar,
3781         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3782         analyze_siv_subscript, analyze_miv_subscript,
3783         analyze_overlapping_iterations, subscript_dependence_tester_1,
3784         compute_self_dependence, free_dependence_relation): Work
3785         with affine_fn instead of chrecs.
3786         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3787         common_affine_function, affine_function_base,
3788         affine_function_constant_p, affine_fn_op, affine_fn_plus,
3789         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3790         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3791         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3792         (all_chrecs_equal_p): Removed.
3793         * tree-data-ref.h (affine_fn, conflict_function): New types.
3794         (struct subscript): Change type of conflicting_iterations_in_a
3795         and conflicting_iterations_in_b.
3797 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
3799         PR other/30182
3800         * config/pa/pa.h (TARGET_HPUX_11): New.
3801         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3802         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3804 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
3805         Richard Guenther  <rguenther@suse.de>
3807         * tree-ssa-structalias.c (solve_graph): Handle case
3808         we merged the variable to another.
3810 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3812         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3813         functions.
3815         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3816         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3818 2007-01-25  DJ Delorie  <dj@redhat.com>
3820         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3821         allow changes to modes which don't fit in those registers.
3823         * reload1.c (choose_reload_regs): Check for invalid subregs before
3824         computing their locations, not after.
3826 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
3828         PR 25127
3829         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3830         save Altivec registers in an eh_return function.
3831         (compute_vrsave_mask): Likewise.
3832         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3833         for saving Altivec registers.
3834         (rs6000_emit_prologue): Don't allocate stack twice in
3835         eh_return function.  Correct expected value of altivec_save_offset
3836         when using save_world.  Describe save of R0 to stack when using
3837         save_world.  Describe stack pointer adjustment when using
3838         save_world.  Remove duplicated eh_return parameter register saving.
3839         Update sp_offset variable after save_world.
3840         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3841         darwin-world.asm.
3842         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3843         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3844         implies Altivec.
3846 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3848         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3850 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3852         PR other/30182
3853         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3854         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
3856 2007-01-25  Richard Guenther  <rguenther@suse.de>
3858         * doc/invoke.texi (-Wcoverage-mismatch): Document.
3859         * common.opt (-Wcoverage-mismatch): New warning option.
3860         * coverage.c (get_coverage_counts): Ignore coverage mismatch
3861         if -Wcoverage-mismatch is given.
3863 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
3865         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3866         (ipcp_driver): Change to static definition.
3867         Add dumping of the ifunctions.
3868         (constant_val_insert): Remove unused parameter. Support for SSA.
3869         (ipcp_propagate_const): Support for SSA.
3870         (ipcp_profile_bb_print): Print only analyzed nodes.
3871         (ipcp_replace_map_create): Remove support for Fortran constant
3872         for now.
3873         * ipa-prop.c (ipa_method_modify_stmt,
3874         ipa_callsite_compute_param): Support for SSA.
3875         * ipa-prop.h (ipcp_driver): Remove declaration.
3876         (IS_VALID_TREE_MAP_INDEX): Add define.
3878 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
3880         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3882 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3884         PR middle-end/30447
3885         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3886         constant argument to cabs and do it without checking for
3887         -funsafe-math-optimizations.
3889 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
3891         * c-common.h (RID_FIRST_CXX0X): New.
3892         (RID_LAST_CXX0X): New.
3893         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3894         by -Wall.
3895         * c.opt (Wc++0x-compat): New.
3896         * doc/invoke.texi (-Wc++0x-compat): Document.
3898 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3900         * builtins.c (fold_builtin_carg): New.
3901         (fold_builtin_1): Use it.
3903 2007-01-24  Jan Hubicka  <jh@suse.cz>
3905         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3907         * ipa-inline.c (initial_insns, max_insns): Delete.
3908         (compute_max_insns): New function.
3909         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3910         of insns as base for code growth.
3911         (cgraph_decide_inlining): Make initial_insns local; do not compute
3912         max_insns.
3913         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3914         * doc/invoke.texi (inline-unit-growth): Update docs.
3916 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
3918         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3919         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3920         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3921         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
3922         for CPUs that have PTA_CX16 set.
3924         PR middle-end/27416
3925         * gimplify.c (omp_check_private): New function.
3926         (gimplify_scan_omp_clauses): Use it for
3927         firstprivate/lastprivate/reduction.
3929         PR middle-end/30494
3930         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3931         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3933         PR middle-end/30421
3934         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3935         If lower_lastprivate_clauses emits some statements, append them
3936         to dlist rather than body_p and to body_p append an initializer.
3937         (lower_omp_for): Adjust caller.
3939 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
3941         * target.h (globalize_decl_name): New.
3942         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3943         * output.h (default_globalize_decl_name): New.
3944         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
3945         globalize_label.
3946         (globalize_decl): Ditto.
3947         (default_globalize_decl_name): New.
3948         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
3949         (ia64_handle_version_id_attribute): New.
3950         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3951         (ia64_asm_output_external): Use globalize_decl_name instead
3952         of globalize_label.
3953         * doc/extend.texi (version_id): New pragma.
3954         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
3956 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3958         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
3959         _uleb128_t and _Unwind_SWord with _sleb128_t.
3960         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
3961         uw_frame_state_for, uw_update_context_1): Likewise.
3962         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
3963         * unwind-pe.h (read_uleb128, read_sleb128,
3964         read_encoded_value_with_base): Likewise.
3965         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
3967 2007-01-24  Richard Guenther  <rguenther@suse.de>
3969         * builtins.c (expand_builtin_cexpi): Get the fndecl
3970         for cexp in the correct way.
3972 2007-01-24  Jan Hubicka  <jh@suse.cz>
3974         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
3976 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3978         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
3979         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
3980         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
3981         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
3982         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
3983         __SIZEOF_PTRDIFF_T__.
3984         * doc/cpp.texi: Documentation for the new builtin macros added.
3986 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
3988         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
3989         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
3990         instead of operands[2] to avoid access past the end of array.
3992 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
3994         * reload1.c (emit_reload_insns): Pass the reload register
3995         for a non-spill output reload through forget_old_reloads_1.
3997 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
3999         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4000         _SOFT_DOUBLE if doubles use software floating-point.
4001         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
4002         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
4003         * config/rs6000/darwin-ldouble.c: Also compile functions for
4004         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
4005         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
4006         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
4007         commented-out long double override.
4008         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
4009         * config/rs6000/eabispe.h: Likewise.
4010         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
4011         long double for non-SPE.
4012         (rs6000_handle_option): Likewise.
4013         (invalid_e500_subreg): Disallow more subregs involding DImode,
4014         DFmode, TImode or TFmode.
4015         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
4016         E500 double.
4017         (legitimate_lo_sum_address_p): Also check for TFmode for E500
4018         double.
4019         (rs6000_legitimize_address): Also handle TFmode for E500 double.
4020         (rs6000_legitimize_reload_address): Also handle TFmode for E500
4021         double.
4022         (rs6000_legitimate_address): Also check for TFmode for E500
4023         double.
4024         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
4025         (spe_build_register_parallel): Handle TFmode and TCmode.
4026         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
4027         double.
4028         (function_arg): Handle TFmode and TCmode for E500 double.
4029         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
4030         in general.
4031         (print_operand): Handle TFmode and TImode for %y.
4032         (rs6000_generate_compare): Handle TFmode comparisons for E500
4033         double.
4034         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
4035         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
4036         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
4037         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
4038         TFmode for E500 double.
4039         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
4040         (floatsidf2): Enable for E500 double.
4041         (movtf_softfloat): Use rs6000_nonimmediate_operand.
4042         (extenddftf2): Change to extenddftf2_fprs.
4043         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
4044         depending on TARGET_E500_DOUBLE.
4045         (extendsftf2): Enable for E500 double.
4046         (trunctfdf2): Enable for E500 double.
4047         (trunctfsf2): Change to trunctfsf2_fprs.
4048         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
4049         depending on TARGET_E500_DOUBLE.
4050         (floatsitf2): Enable for E500 double.
4051         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
4052         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
4053         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
4054         (negtf2): Change to negtf2_internal.
4055         (negtf2): New expander.
4056         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
4057         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
4058         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
4059         (movdi_internal32): Use rs6000_nonimmediate_operand.
4060         (unnamed splitter): Likewise.
4061         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
4062         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
4063         (SPE64TF, DITI): New mode macros.
4064         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
4065         modes.
4066         (frob_tf_ti): New.
4067         (frob_<mode>_di_2): New.
4068         (frob_tf_di_8_2): New.
4069         (frob_di_df): Change to frob_di_<mode>; allow more modes.
4070         (frob_ti_tf): New.
4071         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
4072         more modes.
4073         (frob_ti_<mode>_8_2): New.
4074         (frob_ti_tf_2): New.
4075         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
4076         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
4077         TFmode.
4078         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
4079         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
4080         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
4081         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
4082         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
4083         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
4084         tsttflt_gp): New.
4086 2007-01-23  Ian Lance Taylor  <iant@google.com>
4088         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
4089         insn-*.o first.
4090         (OBJS-archive): Reformat, alphabetize.
4091         (OBJS): Change out_object_file to OBJS-md.
4093 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
4095         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
4096         JUMP_P and CALL_P predicates where applicable.
4097         * config/i386/i386.c: Ditto.
4098         * config/i386/i386.md: Ditto.
4099         * config/i386/mmx.md: Ditto.
4100         * config/i386/predicates.md: Ditto.
4102 2007-01-22  Andreas Schwab  <schwab@suse.de>
4104         * config/m68k/m68k.h: Fix comment.
4106 2007-01-22  Jan Hubicka  <jh@suse.cz>
4108         * passes.c (init_optimization_passes): Do not rerun
4109         pass_early_warn_uninitialized.
4111 2007-01-22  Richard Guenther  <rguenther@suse.de>
4113         PR tree-optimization/30038
4114         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
4115         function.
4116         (execute_cse_sincos_1): Likewise.
4117         (execute_cse_sincos): Likewise.
4118         (gate_cse_sincos): Likewise.
4119         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
4120         the cexpi() canonicalization of sincos().
4121         * tree-pass.h (pass_cse_sincos): Declare.
4122         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
4124 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4126         PR rtl-optimization/29329
4127         * combine.c (replaced_rhs_insn): Rename to i2mod.
4128         (replaced_rhs_value): Rename to i2mod_new_rhs.
4129         (i2mod_old_rhs): New global variable.
4130         (combine_instructions): Adjust for above change.  Save a copy of
4131         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
4132         note are substituted in the second instruction.
4133         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
4134         ditch the note if it pertains to the second eliminated register
4135         and this register is mentioned in i2mod_old_rhs.
4137         Revert:
4138         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4140         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4141         the insn to which the note was originally attached.
4143 2007-01-21  Jan Hubicka  <jh@suse.cz>
4145         * ipa-inline.c (inlining_mode): Comment, move up.
4146         (cgraph_decide_inlining_incrementally): Do not perform inlining
4147         itself; fix handling of flattening of self recursive functions.
4148         (cgraph_find_cycles): Remove.
4149         (cgraph_flatten_node): Remove.
4150         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
4151         (try_inline): New function.
4152         (cgraph_early_inlining): Update call of
4153         cgraph_decide_inlining_incrementally.  Apply inlining here.
4154         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
4156 2007-01-21  Dirk Mueller  <dmueller@suse.de>
4158         PR bootstrap/30511
4159         * tree-vrp.c (check_array_bounds): do not warn
4160         about ADDR_EXPR's of ARRAY_REF's which are immediately
4161         used in binary expressions.
4163 2007-01-21  Ira Rosen  <irar@il.ibm.com>
4165         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
4166         read_write_dep and macros for its access.
4167         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
4168         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
4169         argument, call vect_check_interleaving for every independent pair of
4170         data-refs. Mark loads that access the same memory location as a store
4171         in the loop.
4172         (vect_check_dependences): Remove.
4173         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
4174         call, fix the call to vect_analyze_data_ref_dependence.
4175         (vect_analyze_data_ref_access): For statements that access the same
4176         data-ref, check that they are not stores; for loads, check that there
4177         is no store that access the same location.
4179 2007-01-20  Roger Sayle  <roger@eyesopen.com>
4180             Joseph Myers  <joseph@codesourcery.com>
4182         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
4183         (-fdump-rtl-stack): Likewise.
4184         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
4185         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
4186         (-mpt-fixed): Use @minus{} for minus sign.
4187         (Using Precompiled Headers): Fix under/overfull hbox.
4189 2007-01-20  Jan Hubicka  <jh@suse.cz>
4191         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
4192         place within annotation.
4194 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4196         * pa.c (output_move_double): Change array size of xoperands to 4.
4198 2007-01-20  Jan Hubicka  <jh@suse.cz>
4200         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
4201         as temporary.
4203 2007-01-19  Ian Lance Taylor  <iant@google.com>
4205         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
4206         constant to unsigned HOST_WIDE_INT before negating.
4208 2007-01-19  Ian Lance Taylor  <iant@google.com>
4210         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
4211         to unsigned.
4212         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
4213         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4214         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
4215         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
4216         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4217         (realloc_vdef, realloc_vuse): Change second parameter to
4218         unsigned.
4219         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
4220         fields to unsigned.
4221         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
4222         unsigned. Change x and lim locals to unsigned.
4223         (realloc_vdef, realloc_vuse): Change num_elem parameter to
4224         unsigned.
4225         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
4226         (copy_virtual_operands): Change i and n locals to unsigned.
4228 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4230         PR middle-end/29335
4231         * builtins.c (fold_builtin_1): Handle builtin fdim.
4233 2007-01-20  Jan Hubicka  <jh@suse.cz>
4235         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
4236         * tree-ssa-structalias.c (compute_points_to_sets): Do call
4237         init_alias_heapvars.
4238         (init_alias_heapvars): Initialize only when not already initialized.
4239         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
4241 2007-01-19  Roger Sayle  <roger@eyesopen.com>
4243         * common.opt (fsigned-zeros): New command line option.
4244         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
4245         of flag_unsafe_math_optimizations.
4246         * opts.c (set_fast_math_flags): The -ffast-math command line option
4247         implies -fno-signed-zeros.
4248         (fast_math_flags_set_p): Likewise.
4250         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
4251         the documentation of -ffast-math appropriately.  Wrap long lines.
4253 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
4255         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
4256         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
4258 2007-01-19  Tomas Bily  <tbily@suse.cz>
4260         * cgraphunit.c (cgraph_finalize_function): Updating of pid
4261         * tree-profile.c:
4262         (tree_init_ic_make_global_vars): New function
4263         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
4264         (tree_gen_ic_profiler): New function
4265         (tree_gen_ic_func_profiler): New function
4266         (tree_profiling): Added calling of tree_gen_ic_func_profiler
4267         (tree_profile_hooks): Added hook for indirec/virtual calls
4268         * value-prof.c (tree_find_values_to_profile): New case for
4269         indirect calls
4270         (tree_values_to_profile): Call for determining indirect/virtual
4271         counters
4272         (tree_indirect_call_to_profile): New function
4273         (tree_ic_transform): New function
4274         (tree_ic): New function
4275         (find_func_by_pid): New function
4276         (init_pid_map): New function
4277         (tree_value_profile_transformations): Added check for
4278         indirect/virtual call transformation
4279         * value-prof.h (enum hist_type): New counter type for
4280         indirect/virtual calls
4281         (profile_hooks): Added new hook for profiling indirect/virtual
4282         calls
4283         * profile.c (instrument_values): New case for indirect/virtual
4284         call added
4285         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
4286         (GCOV_COUNTER_V_INDIR): New counter type
4287         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
4288         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
4289         call added
4290         * cgraph.c: Definition of cgraph_max_pid
4291         (cgraph_create_node): Default init of pid attribute
4292         * cgraph.h: Declaration of cgraph_max_pid
4293         (struct cgraph_node): Added pid attribute
4294         * libgcov.c (__gcov_indirect_call_profiler): New function
4295         (__gcov_one_value_profiler_body): New function
4296         (__gcov_one_value_profiler): Body was moved to
4297         __gcov_one_value_profiler_body and calls it
4299 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
4301         * doc/gty.texi (Options): Document the mark_hook option to GTY.
4302         * gengtype.c (write_types_data, write_func_for_structure,
4303         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
4304         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
4305         (walk_type, write_func_for_structure): Generate the mark_hook if
4306         needed.
4308 2007-01-19  Jan Hubicka  <jh@suse.cz>
4310         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
4311         'early' argument take inlining mode argument specifying whether to
4312         inline for size/speeed or all functions; add support for flattening;
4313         improve dumpting.
4314         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
4316 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4318         PR c++/17947
4319         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
4320         the name of the declared identifier.
4322 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4324         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
4325         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
4326         duplicate evaluation.
4328 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4330         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
4331         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
4332         to XFMode, use acosxf2 and truncate result to requested mode.
4333         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4334         (asin<mode>2): Similarly, with asin expanders.
4335         (*fscalexf4_i387): Rename from *fscalexf4.
4336         (expNcorexf3): New expander.
4337         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
4338         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
4339         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
4340         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
4341         patterns for SSE math.
4342         (exp10<mode>2): Similarly, with exp10 expanders.
4343         (exp2<mode>2): Similarly, with exp2 expanders.
4344         (expm1<mode>2): Similarly, with expm1 expanders.
4345         (ldexp<mode>3): Similarly, with ldexp expanders.
4346         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
4347         Use gen_truncxf<mode>2_i387_noop to truncate result.
4349 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4351         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
4352         for ColdFire targets.
4354 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
4355             Richard Sandiford  <richard@codesourcery.com>
4357         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
4358         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
4359         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
4360         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
4361         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4362         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4364 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4366         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
4367         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
4368         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
4369         (*adddi_dilshr32_cf): New pattern.
4370         (adddi3, subdi3): Remove first alternatives.
4372 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4374         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
4375         implemented using move.l, do not use its cc result for floating-point
4376         comparisons.
4378 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4380         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
4381         from accepting 's' constraints if flag_pic.
4383 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4385         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
4386         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
4387         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
4388         condition from TARGET_68881 to TARGET_HARD_FLOAT.
4390 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
4392         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
4393         ColdFire alternatives.
4394         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
4395         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
4396         architectures that support ff1 instruction.
4398 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4399             Julian Brown  <julian@codesourcery.com>
4401         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
4402         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
4403         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
4404         Add commentary.
4406 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4408         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
4409         and return a bool.
4410         (output_move_const_into_data_reg, output_move_simode_const): Delete.
4411         * config/m68k/m68k.c (const_method, const_int_cost): Take a
4412         HOST_WIDE_INT instead of an rtx.
4413         (m68k_rtx_costs): Update call accordingly.
4414         (output_move_const_into_data_reg): Likewise.  Fix formatting.
4415         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
4416         Return a bool.
4417         (output_move_simode_const): Update calls after above changes.
4418         Rework to use automatic variables and predicates like MEM_P.
4419         * config/m68k/m68k.md (pushexthisi_const): Update call to
4420         valid_mov3q_const.
4422 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4424         * tree-ssa-alias.c (perform_var_substitution): Fix typo
4425         in dump_flags test.
4427 2007-01-19  Richard Guenther  <rguenther@suse.de>
4429         * builtins.c (expand_builtin_cexpi): Fall back to expanding
4430         via cexp in case sincos is not available.
4432 2007-01-19  Richard Guenther  <rguenther@suse.de>
4434         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
4435         * defaults.h (TARGET_HAS_SINCOS): Default to off.
4436         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
4437         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
4438         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
4439         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
4440         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
4441         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
4443 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4445         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
4446         New insn patterns.
4447         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
4448         (atan2xf3): Directly generate RTL pattern.
4449         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
4450         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4451         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4452         disable patterns for SSE math.
4453         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
4454         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4455         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4456         disable patterns for SSE math.
4458 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
4460         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
4462 2007-01-18  Roger Sayle  <roger@eyesopen.com>
4464         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
4465         VIEW_CONVERT_EXPR to the same type as it's operand.
4467 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
4469         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
4470         configured for long double 128.
4472 2007-01-18  Mike Stump  <mrs@apple.com>
4474         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
4475         error.
4477 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
4479         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
4480         type correct.
4482 2007-01-18  Jan Hubicka  <jh@suse.cz>
4484         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
4485         greater than NUM_VOP_FREE_BUCKETS.
4487 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
4489         * tree-ssa-structalias.c: Update comments.
4490         (ptabitmap_obstack): Removed.
4491         (pta_obstack): New.
4492         (oldpta_obstack): Ditto.
4493         (stats): Add a few members.
4494         (struct variable_info): Remove node, complex, address_taken, and
4495         indirect_target members. Add oldsolution member.
4496         (new_var_info): Do not initialize removed members.
4497         (constraint_expr_type): Remove INCLUDES.
4498         (constraint_graph): Add size, implicit_preds, rep,
4499         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
4500         (FIRST_REF_NODE): New macro.
4501         (LAST_REF_NODE): Ditto.
4502         (FIRST_ADDR_NODE): Ditto.
4503         (find): New function.
4504         (unite): Ditto.
4505         (dump_constraint): Do not handle INCLUDES.
4506         (insert_into_complex): Do not insert duplicate constraints.
4507         (condense_varmap_nodes): Renamed and rewritten into ...
4508         (merge_node_constraints): This. Also fix bug in handling of
4509         offseted copy constraints.
4510         (clear_edges_for_node): No longer need to deal with preds at all,
4511         or removing associated preds/succs.
4512         (merge_graph_nodes): Deal with indirect_cycles.
4513         Don't deal with predecessors.
4514         (add_implicit_graph_edge): New function.
4515         (add_pred_graph_edge): Ditto.
4516         (add_graph_edge): Don't deal with predecessors.
4517         (build_constraint_graph): Removed.
4518         (build_pred_graph): New function.
4519         (build_succ_graph): Ditto.
4520         (struct scc_info): Removed in_component. Added roots, dfs, and
4521         node_mapping. Remove visited_index, unification_queue.
4522         (scc_visit): Deal with union-find we do now.
4523         Deal with cycles with REF nodes.
4524         (collapse_nodes): Renamed and rewritten to ...
4525         (unify_nodes): This.
4526         (process_unification_queue): Removed.
4527         (topo_visit): Cleanup
4528         (do_da_constraint): Use find.
4529         (do_sd_constraint): Ditto.
4530         (do_ds_constraint): Ditto.
4531         (do_complex_constraint): Ditto.
4532         (init_scc_info): Update for removed and added members.
4533         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
4534         (find_indirect_cycles): This.
4535         (equivalence_class): New variable.
4536         (label_visit): New function.
4537         (perform_variable_substitution): Rewritten.
4538         (free_var_substitution_info): New function.
4539         (find_equivalent_node): Ditto.
4540         (move_complex_constraints): Ditto.
4541         (eliminate_indirect_cycles): Ditto.
4542         (solve_graph): Only propagate changed bits.
4543         Use indirect cycle elimination.
4544         Use find.
4545         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
4546         (tree_id_eq): Renamed to ...
4547         (tree_vi_eq): This. Update for member change
4548         (insert_id_for_tree): Renamed and rewritten to ...
4549         (insert_vi_for_tree): This.
4550         (lookup_id_for_tree): Renamed and rewritten to ...
4551         (lookup_vi_for_tree): This.
4552         (get_id_for_tree): Renamed and rewritten to ...
4553         (get_vi_for_tree): Ditto.
4554         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
4555         (process_constraint): Don't handle INCLUDES.
4556         Remove special ADDRESSOF case.
4557         (find_func_aliases): Rewrite to use vi functions instead of id
4558         ones.
4559         (create_function_info_for): Ditto.
4560         (create_variable_info_for): Ditto.
4561         (intra_create_variable_infos): Ditto.
4562         (merge_smts_into): Ditto.
4563         (find_what_p_points_to): Ditto.
4564         (init_base_vars): Ditto.
4565         (init_alias_vars): Ditto.
4566         (remove_preds_and_fake_succs): New function.
4567         (dump_sa_points_to_info): Dump new stats.
4568         (dump_solution_for_var): Use find.
4569         (set_used_smts): Fix formatting.
4570         (compute_points_to_sets): Updated for new functions.
4571         (ipa_pta_execute): Ditto.
4573 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4574             Richard Sandiford  <richard@codesourcery.com>
4576         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
4577         parallels.
4578         * calls.c (expand_call): If the return value is a PARALLEL,
4579         extract its first member.
4580         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
4581         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4582         use FUNCTION_EXTRA_EPILOGUE.
4583         (m68k_function_value): Return a PARALLEL if the return value
4584         is of a pointer type.
4585         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
4586         (FUNCTION_EXTRA_EPILOGUE): Remove.
4587         * config/m68k/m68k.md (D0_REG): New constant.
4589 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4591         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4592         output a NOP for empty epilogues.
4594 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4596         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
4597         before function.  Extend register save check to include all
4598         registers, not just integer ones.
4600 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4602         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
4603         (m68k_use_return_insn): ...this.
4604         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
4605         * config/m68k/m68k.c (use_return_insn): Rename to...
4606         (m68k_use_return_insn): ...this.
4607         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
4608         of USE_RETURN_INSN.
4610 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4612         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
4613         nearest even, fix denormal rounding overflow.
4615 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4617         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
4618         f%$smove and f%$move.
4619         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
4620         (extendsfdf2_cf): Use fdmove instead of f%&move.
4621         (truncdfsf2_cf): Use fsmove instead of f%$smove.
4622         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
4624 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4626         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
4627         GPR<-GPR moves.
4629 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4631         * real.h (real_format): Add a canonical_nan_lsbs_set field.
4632         (coldfire_single_format): Declare.
4633         (coldfire_double_format): Likewise.
4634         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
4635         of qnan_msb_set to determine the lower bits of a canonical
4636         NaN significand.
4637         (encode_ieee_double): Likewise.
4638         (encode_ieee_quad): Likewise.
4639         (ieee_single_format): Initialize canonical_nan_lsbs_set.
4640         (mips_single_format): Likewise.
4641         (ieee_double_format): Likewise.
4642         (mips_double_format): Likewise.
4643         (ieee_extended_motorola_format): Likewise.
4644         (ieee_extended_intel_96_format): Likewise.
4645         (ieee_extended_intel_128_format): Likewise.
4646         (ieee_extended_intel_96_round_53_format): Likewise.
4647         (ibm_extended_format): Likewise.
4648         (mips_extended_format): Likewise.
4649         (ieee_quad_format): Likewise.
4650         (mips_quad_format): Likewise.
4651         (vax_f_format): Likewise.
4652         (vax_d_format): Likewise.
4653         (vax_g_format): Likewise.
4654         (i370_single_format): Likewise.
4655         (i370_double_format): Likewise.
4656         (decimal_single_format): Likewise.
4657         (decimal_double_format): Likewise.
4658         (decimal_quad_format): Likewise.
4659         (c4x_single_format): Likewise.
4660         (c4x_extended_format): Likewise.
4661         (real_internal_format): Likewise.
4662         (coldfire_single_format): New real_format.
4663         (coldfire_double_format): Likewise.
4664         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
4665         canonical_nan_lsbs_set.
4666         (pdp11_d_format): Likewise.
4667         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4668         if TARGET_COLDFIRE_CPU.
4670 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4672         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4673         (output_call, m68k_legitimize_call_address): Declare.
4674         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4675         parenthesees.  Add support for a 'W' constraint.
4676         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4677         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4678         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4679         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4680         variables.
4681         (override_options): Initialize them.  Do not set flag_no_function_cse
4682         for TARGET_ID_SHARED_LIBRARY.
4683         (m68k_output_pic_call): Delete.
4684         (m68k_legitimize_call_address): New function.
4685         (print_operand): Remove the %o prefix.  Handle the %p prefix.
4686         (output_call): New function.
4687         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
4688         target address from the GOT if symbolic jumps are not allowed.
4689         * config/m68k/m68k.md (call, general_operand): Do not set
4690         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
4691         Merge separate flag_pic and !flag_pic define_insns into...
4692         (*call, *call_value): ...these new patterns.  Match the address
4693         rather than the containing MEM and require it to be a call_operand.
4694         Use output_call to generate the asm template.
4695         * config/m68k/predicates.md (const_call_operand): New predicate.
4696         (call_operand): Likewise.
4698 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4700         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4701         (STACK_GROWS_DOWNWARD): Define to 1.
4702         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4703         comments, emphasizing that these values are only defaults.
4704         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4705         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4707 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4709         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4711 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4712             Richard Sandiford  <richard@codesourcery.com>
4714         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4715         (FP_REGNO_P): New macros.
4716         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4717         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4718         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4719         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4721 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4723         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4724         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4725         to $tmake_file.
4726         * config/m68k/t-floatlib: New file, extracting common code from...
4727         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4728         * config/m68k/t-uclinux: Here.
4729         * config/m68k/fpgnulib.c: Do not compile extendeed precision
4730         routines on ColdFire targets.
4732 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4734         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4735         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4736         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4737         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4738         explicitly set MOTOROLA to 1.
4739         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4741 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4742             Nathan Sidwell  <nathan@codesourcery.com>
4744         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4745         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4746         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4747         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4748         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4749         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4750         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4751         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4752         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4753         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4754         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4755         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4756         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4757         (DBX_REGISTER_NUMBER): Delete.
4758         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4759         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4760         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4762 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4764         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4765         * config/flat.h: New file.
4766         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4767         OBJECT_FORMAT_FLAT.
4768         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4769         indirect references for -msep-data or -mid-shared-library.
4770         Do not use PC-relative code addresses either.
4771         * config/m68k/m68k.c (override_options): Restrict -fPIC error
4772         to -mpcrel.
4773         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
4774         for shared libraries and crt1.o for executables.  Use crti.o and
4775         crtbegin.o.
4776         (ENDFILE_SPEC): Use crtend.o and crtn.o.
4777         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4778         Do not add -elf2flt or -shared-lib-id options here.
4779         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
4780         Pass -shared-lib-id if -mid-shared-library, taking the library
4781         identifier from -mshared-library-id if given, otherwise
4782         defaulting to 0.
4783         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4784         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4785         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4786         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4787         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4788         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4789         and crtend.o.
4790         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4791         jump sequence for ISA A and ISA A+.
4792         (PICJUMP): Likewise.
4794 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4796         * config.gcc (m68k-*-uclinux*): Base the port on the common
4797         and m68k GNU/Linux files rather than on the generic ELF ones.
4798         * config/m68k/uclinux.h (TARGET_VERSION): Override.
4799         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4801 2007-01-18  Julian Brown  <julian@codesourcery.com>
4802             Richard Sandiford  <richard@codesourcery.com>
4804         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4805         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4806         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4807         before redefining.
4808         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4809         80 unconditionally.
4810         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4812 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4814         * doc/install.texi: Document m68k-uclinuxoldabi.
4815         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
4816         * config/m68k/uclinux-oldabi.h: New file, copied from
4817         config/m68k/uclinux.h.
4819 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
4821         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
4822         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
4823         (m32r_compute_frame_size): Use unsigned for regno.
4824         (m32r_reload_lr): Use gen_frame_mem.
4825         (pop): New.
4826         (m32r_output_function_epilogue): Don't output the function epilogue
4827         textually here.
4828         (m32r_expand_epilogue): New.
4829         (direct_return): Return false if the function has the interrupt
4830         attribute.
4831         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
4832         * config/m32r/m32r.md (epilogue): New expander.
4833         (return_lr, return_rte): New insns.
4834         (return): Make it expander.
4835         (return_normal): New expander.
4837 2007-01-18  Josh Conner  <jconner@apple.com>
4839         PR target/30485
4840         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
4841         support for UNLE, UNLT, UNGE, and UNGT.
4843 2007-01-18  Jan Hubicka  <jh@suse.cz>
4845         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
4846         * tree-tailcall (add_virtual_phis): Likewise.
4847         (optimize_tail_call): Return TODOs.
4848         (execute_tail_calls): Return TODOs.
4849         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
4850         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
4851         changed.
4852         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4853         Cleanup cfg using TODO.
4854         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
4855         * passes.c (execute_function_todo): When cleanup did something, remove
4856         unused locals.
4857         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
4858         (make_edges): Don't cleanup_cfg.
4860 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
4862         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
4863         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
4864         operate on the top of stack.
4865         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
4866         register handling of instructions that output to the second
4867         stack slot.
4868         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
4869         (move_for_stack_reg): Special-case check for dead destination
4870         stack slot for constant load of 1.0 inside UNSPEC_TAN.
4872         * config/i386/i386.md (UNSPEC_TAN): New constant.
4873         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
4874         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
4875         to correctly model move of constant 1.0 to top stack slot.
4876         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
4877         (unnamed peephole2 pattern): Remove corresponding peephole2
4878         pattern that optimizes tan insn and loading of constant 1.0.
4879         (tanxf2): Use fptanxf4_i387.
4880         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
4881         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
4882         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4883         disable patterns for SSE math.
4884         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
4885         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
4887 2007-01-18  Dirk Mueller  <dmueller@suse.de>
4888             Richard Guenther <rguenther@suse.de>
4890         PR diagnostic/8268
4891         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
4892         * common.opt (Warray-bounds): Add new warning option.
4893         * c-opts.c (c_common_handle_option): Define -Warray-bounds
4894         if -Wall is given.
4895         * Makefile.in: make tree-vrp.o depend on toplev.h
4896         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
4897         is enabled.
4898         (check_array_refs, check_array_bounds, check_array_ref): New.
4900 2007-01-18  Jan Hubicka  <jh@suse.cz>
4902         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
4903         (execute_ssa_ccp): Return flags conditionally.
4904         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
4905         changed.
4906         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
4908 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
4910         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
4911         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
4913         * Makefile.c (GTFILES): Add cfglayout.h.
4914         * gengtype.c (open_base_files): Likewise.
4915         * cfglayout.c (cfg_layout_function_footer,
4916         cfg_layout_function_header) Reindent to make gengtype happy.
4917         * cfglayout.h (cfg_layout_function_footer,
4918         cfg_layout_function_header): Add GTY(()) marker.
4920         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
4922 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4924         * genautomata.c (write_automata): Include xstrerror output in the
4925         error message if writing the DFA description file fails.
4927 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
4929         * config/mips/mips-protos.h (mips_output_external): Make it
4930         return void.
4931         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
4932         * config/mips/mips.c (irix_output_external_libcall): Likewise.
4933         (extern_list): Likewise.
4934         (extern_head): Likewise.
4935         (TARGET_ASM_FILE_END): Likewise.
4936         (mips_file_end): Likewise.
4937         (mips_output_external): Rewritten.
4939 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4941         * genpreds.c (write_insn_preds_c): Only write out the function
4942         body for regclass_for_constraint if we have register constraints.
4944 2007-01-17  Tom Tromey  <tromey@redhat.com>
4946         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
4947         * doc/install.texi (Testing): Use sourceware.org.
4948         (Binaries): Likewise.
4949         (Specific): Likewise.
4950         * doc/contrib.texi (Contributors): Use sourceware.org.
4952 2007-01-17  Anatoly Sokolov <aesok@post.ru>
4954         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
4955         (AVR_ENHANCED): Rename to ...
4956         (AVR_HAVE_MUL): ... new.
4957         (avr_enhanced_p): Rename to ...
4958         (avr_have_mul_p): ... new.
4959         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
4960         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
4961         * config/avr/avr.c (avr_enhanced_p): Rename to ...
4962         (avr_have_mul_p): ... new.
4963         (base_arch_s): Rename 'enhanced' to 'have_mul'.
4964         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
4965         'avr_enhanced_p' and 'enhanced'.
4966         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
4967         AVR_HAVE_MUL instead of AVR_ENHANCED.
4968         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4969         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
4970         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
4971         instead of AVR_ENHANCED.
4972         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4973         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
4974         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
4976 2007-01-17  Ian Lance Taylor  <iant@google.com>
4978         * vec.h (VEC_reserve_exact): Define.
4979         (vec_gc_p_reserve_exact): Declare.
4980         (vec_gc_o_reserve_exact): Declare.
4981         (vec_heap_p_reserve_exact): Declare.
4982         (vec_heap_o_reserve_exact): Declare.
4983         (VEC_OP (T,A,reserve_exact)): New static inline function, three
4984         versions.
4985         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
4986         negative parameter.
4987         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
4988         (VEC_OP (T,A,copy)) [all versions]: Likewise.
4989         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
4990         * vec.c (calculate_allocation): Add exact parameter.  Change all
4991         callers.
4992         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
4993         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
4994         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
4995         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
4996         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
4997         (vec_heap_p_reserve_exact): New function.
4998         (vec_heap_o_reserve_exact): New function.
5000 2007-01-17  Jan Hubicka  <jh@suse.cz>
5002         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
5004 2007-01-17  Eric Christopher  <echristo@apple.com>
5006         * config.gcc: Support core2 processor.
5008 2007-01-16  Jan Hubicka  <jh@suse.cz>
5010         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
5011         the names, just unlink the chain so we don't crash on dangling pointers
5012         to dead SSA names.
5014 2007-01-16  Jan Hubicka  <jh@suse.cz>
5016         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
5017         * tree-pass.h: Reorder to make IPA passes appear toegher.
5018         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
5019         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
5020         parameters, do not call early inliner.
5021         * ipa-inline.c: Update comments.  Include tree-flow.h
5022         (cgraph_decide_inlining): Do not compute inlining parameters.
5023         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
5024         be called with function context set up.
5025         (pass_ipa_inline): Remove unreachable functions before pass.
5026         (cgraph_early_inlining): Simplify assuming to be called from the
5027         PM as local pass.
5028         (pass_early_inline): New pass.
5029         (cgraph_gate_ipa_early_inlining): New gate.
5030         (pass_ipa_early_inline): Turn into simple wrapper.
5031         (compute_inline_parameters): New function.
5032         (gate_inline_passes): New gate.
5033         (pass_inline_parameters): New pass.
5034         (apply_inline): Move here from tree-optimize.c
5035         (pass_apply_inline): New pass.
5036         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
5037         transforming.
5038         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
5039         doing them by hand.
5040         (tree_function_versioning): Do not allocate dummy struct function.
5041         * tree-inline.h (optimize_inline_calls): Update prototype.
5042         * tree-optimize.c (execute_fixup_cfg): Export.
5043         (pass_fixup_cfg): Remove
5044         (tree_rest_of_compilation): Do not apply inlines.
5045         * tree-flow.h (execute_fixup_cfg): Declare.
5046         * Makefile.in (gt-passes.c): New.
5047         * passes.c: Include gt-passes.h
5048         (init_optimization_passes): New passes.
5049         (nnodes, order): New static vars.
5050         (do_per_function_toporder): New function.
5051         (execute_one_pass): Dump current pass here.
5052         (execute_ipa_pass_list): Don't dump current pass here.
5054 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
5056         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
5057         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
5059 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
5061         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
5062         (strong_alias): Define.
5063         (__gcc_qmul): Provide non-FMA for soft-float.
5064         (__gcc_qdiv): Same.
5065         (__gcc_qneg): New.
5066         (__gcc_qeq): New.
5067         (__gcc_qle): New.
5068         (__gcc_qge): New.
5069         (__gcc_qunord): New.
5070         (__gcc_stoq): New.
5071         (__gcc_dtoq): New.
5072         (__gcc_qtos): New.
5073         (__gcc_qtod): New.
5074         (__gcc_qtoi): New.
5075         (__gcc_qtou): New.
5076         (__gcc_itoq): New.
5077         (__gcc_utoq): New.
5078         (fmsub): New.
5079         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
5080         soft-float functions.
5081         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
5082         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
5083         about long double soft float.
5085 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
5086             Tehila Meyzels  <tehila@il.ibm.com>
5088         * tree-vectorizer.h (is_pattern_stmt_p): New.
5089         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
5090         formatting (tabs instead of spaces). Cleanup and clarify setting
5091         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
5092         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
5093         (vectorizable_type_demotion): Check that types are integral.
5094         (vectorizable_type_promotion): Likewise.
5095         (vectorizable_store): Fix typo.  Eliminate new-line at end of
5096         comments.
5098 2007-01-16  Jan Hubicka  <jh@suse.cz>
5100         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
5101         cgraph edges too.
5103 2007-01-15  Eric Christopher  <echristo@apple.com>
5105         * ifcvt.c: Include vec.h, vecprim.h.
5106         (check_cond_move_block): New argument regs.
5107         Reorganize. Add registers used to regs.
5108         (cond_move_process_if_block): Use regs set above as
5109         loop bounds.
5111 2007-01-15  Eric Christopher  <echristo@apple.com>
5113         * config/darwin.h: Update copyright.
5114         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
5115         (LINK_COMMAND_SPEC): Add -u.
5116         (LINK_SPEC): Fix umbrella for above.
5118 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
5120         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
5121         glibc CVS.
5123 2007-01-15  Tom Tromey  <tromey@redhat.com>
5125         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
5126         * doc/install.texi (Testing): Don't mention jacks.
5127         (Configuration): Document --enable-java-maintainer-mode.  Move
5128         --with-java-home to libgcj-specific section.  Document
5129         --with-ecj-jar.
5130         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
5132 2007-01-15  Jan Hubicka  <jh@suse.cz>
5134         * tree-ssa-dce.c (DCE_TODOs): New.
5135         (propagate_necessity): Return if something changed.
5136         (eliminate_unnecessary_stmts): Likewise.
5137         (perform_tree_ssa_dce): Return TODO flags when needed.
5138         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
5140 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
5142         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
5143         (fyl2x_extend<mode>xf3_i387): New insn pattern.
5144         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
5145         patterns using X87MODEF12 mode macro.  Extend operand 1
5146         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
5147         (log10<mode>2): Ditto.
5148         (log2<mode>2): Ditto.
5149         (log1p<mode>2): Ditto.
5150         (logb<mode>2): Ditto.
5151         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
5152         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
5153         (*fxtractxf3_i387): Rename from *fxtractxf3.
5154         (fxtract_extend<mode>xf3_i387): New insn pattern.
5155         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
5156         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
5157         and gen_fyl2xxf3_i387().
5159 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
5161         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
5162         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
5163         get_loop_exit_edges.  Changed return type to bool.
5164         * cfgloop.h (fix_loop_placement): Declaration removed.
5166 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
5168         * param.h (MIN_VECT_LOOP_BOUND): New.
5169         * params.def (MIN_VECT_LOOP_BOUND): New.
5170         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
5171         argument - minimum threshold for number of iterations.
5172         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
5173         argument to declaration.
5174         * tree-vect-analyze.c (vect_analyze_operations): Check value of
5175         MIN_VECT_LOOP_BOUND.
5176         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
5177         slpeel_tree_peel_loop_to_edge with additional argument.
5178         (vect_do_peeling_for_alignment): Likewise.
5179         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
5181 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
5183         PR target/30413
5184         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
5185         operands of size 1.
5187 2007-01-14  Jan Hubicka  <jh@suse.cz>
5189         * tree-dfa.c (remove_referenced_var): New function.
5190         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
5191         prune referenced vars list too.
5192         * tree-flow.h (remove_referenced_var): Declare.
5194 2007-01-14  Jan Hubicka  <jh@suse.cz>
5196         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
5197         separately.
5198         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
5199         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
5200         * except.h (verify_eh_throw_table_statements): Kill prototype.
5201         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
5202         into call exrepssions.
5203         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
5204         eh trhow verifier.
5205         * tree-cfg.c: Include pointer-set.h.
5206         (verify_node_sharing): Work on pointer set.
5207         (verify_eh_throw_stmt_node): New.
5208         (verify_stmts): Use pointers sets, verify throw_stmt.
5210 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
5212         * ipa-reference.c (analyze_function): Consider also addresses taken
5213         in phi nodes.
5215 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5217         * c-typeck.c (null_pointer_constant_p): Replace use of
5218         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5219         (build_c_cast): Likewise.
5221 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5223         * tree.h (force_fit_type_double): Remove unused final argument.
5224         * c-common.c (constant_expression_warning): Replace use of
5225         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5226         (convert_and_check): Likewise.
5227         (shorten_compare): Update call to force_fit_type_double.
5228         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
5229         * convert.c (convert_to_pointer): Update call to
5230         force_fit_type_double.
5231         * fold-const.c (force_fit_type_double): Remove overflowed_const
5232         argument.
5233         (int_const_binop, fold_convert_const_int_from_int,
5234         fold_convert_const_int_from_real, fold_div_compare,
5235         fold_sign_changed_comparison, fold_unary, fold_negate_const,
5236         fold_abs_const, fold_not_const): Remove the final argument from
5237         calls to force_fit_type_double.
5239 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5241         * configure.ac: Set insn to "nop" for spu-*-* also.
5242         * configure: Regenerate.
5244 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
5246         * builtins.def : Add BUILT_IN_FREE.
5248 2007-01-12  Jan Hubicka  <jh@suse.cz>
5250         PR tree-optimization/30443
5251         * tree-inline.c (tree_function_versioning): Do not optimize when
5252         cloning for inlining.
5254 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
5256         * doc/loop.texi: Document recording of loop exits.
5257         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
5258         (update_single_exits_after_duplication,
5259         update_single_exit_for_duplicated_loop,
5260         update_single_exit_for_duplicated_loops): Removed.
5261         (duplicate_loop_to_header_edge): Do not call
5262         update_single_exits_after_duplication and
5263         update_single_exit_for_duplicated_loops.
5264         (loop_version): Do not update single_exit information.
5265         (fix_loop_structure): Use record_loop_exits instead of
5266         mark_single_exit_loops.
5267         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
5268         the lists of loop exits.
5269         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
5270         split_edge, merge_blocks): Update the lists of loop exits.
5271         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
5272         loop_optimizer_init.
5273         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
5274         of mark_single_exit_loops.
5275         (loop_optimizer_finalize): Call release_recorded_exits.
5276         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
5277         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
5278         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
5279         update single exit information.
5280         * lambda-code.c (perfect_nestify): Ditto.
5281         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
5282         (mark_single_exit_loops): Removed.
5283         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
5284         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
5285         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
5286         functions.
5287         (get_loop_exit_edges, single_exit): Use recorded exit lists.
5288         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
5289         (verify_loop_structure): Verify consistency of the exit lists.
5290         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
5291         (set_single_exit): Removed.
5292         * cfgloop.h (struct loop_exit): New function.
5293         (struct loop): single_exit_ field replaced by exits field.
5294         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
5295         (struct loops): Added exits hash.
5296         (mark_single_exit_loops, set_single_exit): Declaration removed.
5297         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
5299 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5301         * doc/invoke.texi: Avoid use of @headitem.
5303 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5305         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
5307 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5309         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
5310         list of targets.
5312 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5313             Richard Sandiford  <richard@codesourcery.com>
5315         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
5316         * config/m68k/m68k.opt: Resort options.
5317         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
5319 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5320             Richard Sandiford  <richard@codesourcery.com>
5322         * doc/invoke.texi: Document the macros that are defined by
5323         m68k's -mtune and -mhard-float options.
5324         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
5325         (m68k_cpp_cpu_family): Likewise.
5326         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
5327         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
5328         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
5329         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
5330         (m68k_cpp_cpu_family): Likewise.
5332 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5334         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
5335         macros besides mc68000 as tuning macros.  Use a switch statement
5336         to set them and mcpu32.
5338 2007-01-12  Julian Brown  <julian@codesourcery.com>
5340         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
5341         (TARGET_68040_ONLY): Rename to...
5342         (TARGET_68040): ...this.
5343         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
5344         * config/m68k/m68k.md: Likewise.
5346 2007-01-12  Julian Brown  <julian@codesourcery.com>
5347             Nathan Sidwell  <nathan@codesourcery.com>
5348             Richard Sandiford  <richard@codesourcery.com>
5350         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
5351         the -mcpu= argument associated with the --with-cpu setting.
5352         Define M68K_DEFAULT_TUNE to the default -mtune= option,
5353         if different from the one implied by the -mcpu setting.
5354         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
5355         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
5356         * doc/invoke.texi: Mention ColdFire in the introduction to the
5357         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
5358         -mno-div and -mhard-float options.  Make -m68881 a synonym for
5359         -mhard-float.  Document the previously-undocumented -m5206e,
5360         -m528x, -m5307 and -m5407 options.  Tweak the existing option
5361         documentation for consistency.
5362         * doc/install.texi: Mention new --with-cpu arguments.
5363         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
5364         default CPU if neither -mcpu nor -march are specified.
5365         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
5366         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
5367         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
5368         using m68k_tune to decide between families that implement the
5369         same ISA.  Use m68k_tune to set __mcfv4e__.
5370         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
5371         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
5372         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
5373         (FL_ISA_C, FL_ISA_MMU): New macros.
5374         (MASK_COLDFIRE): Delete.
5375         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
5376         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
5377         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
5378         (TARGET_HARD_FLOAT): Do not define here.
5379         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
5380         (TUNE_68000): New macro.
5381         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
5382         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
5383         (TUNE_CFV2): Redefine in terms of m68k_tune.
5384         (uarch_type, target_device, fpu_type): New enums.
5385         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
5386         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
5387         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
5388         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
5389         (FL_FOR_isa_c): New macros.
5390         (m68k_isa): New enum.
5391         (m68k_target_selection): New structure.
5392         (all_devices, all_isas, all_microarchs): New tables.
5393         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
5394         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
5395         (MASK_ALL_CPU_BITS): Delete.
5396         (m68k_find_selection): New function.
5397         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
5398         Map the legacy target options to a combination of the new ones.
5399         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
5400         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
5401         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
5402         settings.
5403         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
5404         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
5405         properties.
5406         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
5407         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
5408         * config/m68k/m68k-devices.def: New file.
5410 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5411             Nathan Sidwell  <nathan@codesourcery.com>
5413         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
5414         (SUBTARGET_EXTRA_SPECS): New macros.
5415         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
5416         use %(asm_cpu_spec) instead.
5417         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
5418         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
5419         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
5420         (EXTRA_SPECS): Rename to...
5421         (SUBTARGET_EXTRA_SPECS): ...this.
5423 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5424             Richard Sandiford  <richard@codesourcery.com>
5425             Julian Brown  <julian@codesourcery.com>
5427         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
5428         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
5429         to the configuration's default CPU.
5430         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
5431         Remove default masks.
5432         (m680[012]0-*-*): Set the default with_cpu to the first part of
5433         the target name.
5434         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
5435         (m68k*-*-linux): Extend the --with-cpu handling to...
5436         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
5437         and m68010.  Don't set target_cpu_default2.
5438         * doc/install.texi: Document --with-cpu for m68k.
5439         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
5440         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
5441         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
5442         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
5443         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
5444         (ASM_SPEC): Remove use of %(asm_cpu_default).
5445         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
5446         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
5447         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
5448         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
5449         __HAVE_FPU__ if TARGET_HARD_FLOAT.
5450         (TARGET_DEFAULT): Delete.
5451         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
5452         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
5453         (CPP_CPU_SPEC): Delete.
5454         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
5455         the appropriate string.
5456         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
5457         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
5458         (ASM_SPEC): Don't use %(asm_default_spec).
5459         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5460         TARGET_DEFAULT and add MASK_68881.
5461         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
5463 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5465         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
5466         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
5467         MASK_68010 alongside MASK_68020.
5468         * doc/invoke.texi: Document -m68010.
5469         * config/m68k/m68k.opt (m68010): New.
5470         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
5471         if TUNE_68010.
5472         (TUNE_68010): New macro.
5473         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
5474         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
5475         (M68K_CPU_m68332): Add MASK_68010.
5476         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
5477         fallback definition.
5478         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
5479         defines.
5480         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
5481         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
5482         to all entries that use MASK_68020.
5483         (output_move_simode_const, output_move_himode, output_move_qimode)
5484         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
5485         instead of TARGET_68020 to select clr behavior.  Remove comment
5486         about there being no TARGET_68010.
5487         * config/m68k/m68k.md: Likewise throughout.
5489 2007-01-12  Julian Brown  <julian@codesourcery.com>
5491         * config/m68k/m68k.h (TARGET_ISAB): New macro.
5492         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
5493         * config/m68k/m68k.md: Likewise.
5495 2007-01-12  Julian Brown  <julian@codesourcery.com>
5497         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
5498         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
5500 2007-01-12  Julian Brown  <julian@codesourcery.com>
5502         * config/m68k/m68k.h (TUNE_68040_60): New macro.
5503         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
5504         * config/m68k/m68k.md: Likewise.
5506 2007-01-12  Julian Brown  <julian@codesourcery.com>
5507             Richard Sandiford  <richard@codesourcery.com>
5509         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
5510         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
5511         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
5512         TARGET_CPU32.
5513         (TARGET_CPU32): Rename to...
5514         (TUNE_CPU32): ...this.
5515         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
5516         (TUNE_CFV2): New macros.
5517         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
5518         remove conditions that are implied by TARGET_68020.
5519         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
5520         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
5521         (m68k_output_function_epilogue): Likewise.
5522         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
5523         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
5524         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
5525         non-68000 timings.  Refactor multiplication and division costs.
5526         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
5527         TUNE_CPU32 instead of TARGET_CPU32.
5528         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
5529         and TUNE_68060 instead of TARGET_68060.
5530         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
5531         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
5532         TARGET_CPU32.
5533         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
5534         && !TARGET_COLDFIRE" to choose between moveq and clr.
5535         Likewise in the unnamed movsf pattern.
5536         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
5537         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
5538         ashiftrt pattern.
5540 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5542         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
5543         of tabbing before backslashes.
5545 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5547         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
5548         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
5549         (ASM_OUTPUT_INTERNAL_LABEL): Define.
5551 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5553         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
5554         find_interesting_uses_cond.
5555         (find_interesting_uses_cond): Use extract_cond_operands.
5556         (rewrite_use_compare): Use extract_cond_operands and
5557         force_gimple_operand_bsi.  Do not call update_stmt.
5558         (determine_use_iv_cost_condition): Use extract_cond_operands.
5559         Return cheaper of using original bound and changing the exit bound.
5561 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5563         PR tree-optimization/29516
5564         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
5565         most_expensive_mult_to_index, addr_to_parts,
5566         create_mem_ref, maybe_fold_tmr): Make the type of
5567         fields of TARGET_MEM_REF sizetype.
5568         (move_fixed_address_to_symbol, move_pointer_to_base):
5569         New functions.
5570         * tree.def (TARGET_MEM_REF): Add comment on types of
5571         the operands.
5573 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
5575         * c-common.c (vector_types_convertible_p): Treat opaque types as
5576         always convertible if they have the same size, but not otherwise.
5578 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
5580         * ifcvt.c (struct noce_if_info): Add comments to the fields.
5581         Remove the b_unconditional field.
5582         (noce_try_sign_mask): Do not look at b_unconditional.
5583         (noce_process_if_block): Do not use merge_if_blocks.  Update
5584         the CFG here.  Do not set b_unconditional.
5585         (cond_move_process_if_block): Likewise.
5586         (find_cond_trap): Likewise.
5587         (check_cond_move_block): Require simple jump insns at the end
5588         of the basic block.
5590 2007-01-11  Jan Hubicka  <jh@suse.cz>
5592         PR tree-optimization/1046
5593         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
5594         when alias info is not ready.
5595         (pass_tail_recursion): Do not require aliasing.
5596         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
5597         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
5598         * tree-ssa-copy.c (pass_copy_prop): Likewise.
5599         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5600         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
5601         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
5602         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
5603         before inlining.
5604         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
5605         When aliasing is not build, mark statement as volatile.
5607 2007-01-11  Tom Tromey  <tromey@redhat.com>
5609         PR preprocessor/15185, PR preprocessor/20989:
5610         * doc/cppopts.texi <-MT>: Update description of algorithm for
5611         computing default target.
5612         <-M, -MD>: Reword "basename" text.
5614 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5616         * builtins.c (expand_builtin_pow, expand_builtin_powi,
5617         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
5618         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5619         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
5620         fold_builtin_bswap, real_constp, fold_builtin_pow,
5621         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
5622         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
5623         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5624         * convert.c (convert_to_pointer): Likewise.
5625         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
5626         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
5627         const_binop, fold_convert_const_int_from_int,
5628         fold_convert_const_int_from_real,
5629         fold_convert_const_real_from_real, sign_bit_p,
5630         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
5631         fold_sign_changed_comparison, fold_unary, fold_comparison,
5632         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
5633         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
5634         * print-tree.c (print_node_brief, print_node): Likewise.
5635         * stor-layout.c (place_field, layout_type): Likewise.
5636         * tree-chrec.c (keep_cast): Likewise.
5637         * tree.c (build_vector, build_real, build_real_from_int_cst,
5638         build_complex): Likewise.
5640 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5642         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
5643         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
5645 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
5647         * configure.ac (strict1_warn): Rename to strict_warn.
5648         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
5649         cc_set_by_configure, quoted_cc_set_by_configure,
5650         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
5651         all_boot_languages, all_stagestuff): Remove.
5652         (target_list): Remove bootstrap targets.
5653         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
5654         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
5655         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
5656         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
5657         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
5658         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
5659         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
5660         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
5661         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
5662         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
5663         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
5664         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
5665         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
5666         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
5667         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
5668         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
5669         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
5670         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
5671         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
5672         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
5673         (mostlyclean): Adjust.
5674         (clean, distclean): Don't mention bootstrap stuff.
5675         * configure: Regenerate.
5676         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
5677         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
5678         treelang/config-lang.in (stagestuff): Remove.
5679         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
5680         stageprofile, stagefeedback, stagestuff): Remove mention.
5682 2007-01-11  Nick Clifton  <nickc@redhat.com>
5684         * config/mcore/predicates.md (mcore_general_movesrc_operand):
5685         Accept CONSTs.
5686         (mcore_general_movdst_operand): Do not accept CONST_INTs.
5687         (mcore_arith_K_S_operand): Run the test for the S constraint not
5688         the test for the M constraint.
5689         (mcore_addsub_operand): Do not accept integer values that are
5690         larger than 32 bits.
5691         * config/mcore/mcore.md: Remove unused constraints from split.
5692         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
5693         (addsi3): Likewise.
5694         (allocate_stack): Likewise.
5695         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
5696         operands to 32 bits.
5697         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
5698         INTVAL.
5699         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
5700         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
5701         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
5702         mcore_output_bclri, mcore_output_andn, output_inline_const,
5703         mcore_output_move, mcore_output_movedouble): Likewise.
5704         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
5705         (output_inline_const): Likewise.
5706         (output_inline_const): Fix format strings used in sprintf
5707         statements.
5708         * config/mcore/mcore-protos.h: Update prototypes for changed
5709         functions in mcore.c.
5710         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
5711         HOST_WIDE_INT and not int.
5712         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
5713         CONST_OK_FOR_N): Likewise.
5714         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
5715         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
5716         an INTVAL.
5718 2007-01-10  Jan Hubicka  <jh@suse.cz>
5720         * tree-vrp.c (remove_range_assertions): Release defs.
5721         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
5722         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5724 2007-01-10  Paul Brook  <paul@codesourcery.com>
5726         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5727         * config/arm/arm.md (mulsi3subsi): New insn.
5729 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
5731         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5732         (tree_transform_and_unroll_loop): New.
5733         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5734         Declare.
5736 2007-01-10  Robert Kennedy <jimbob@google.com>
5738         * fold-const.c (fold_comparison): Fold comparisons like (x *
5739         1000 < 0) to (x < 0).
5741 2007-01-10  Ian Lance Taylor  <iant@google.com>
5743         * tree-pretty-print.c (dump_generic_node): Print parentheses when
5744         operands have the same priority.
5746 2007-01-10  Tom Tromey  <tromey@redhat.com>
5748         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5749         (fold_binary): Likewise.
5750         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5751         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5752         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5753         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5754         * langhooks.h (struct lang_hooks): Removed field
5755         'can_use_bit_fields_p'.
5757 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
5759         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5761 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
5763         * function.c (get_last_funcdef_no): New function.
5764         * function.h (get_last_funcdef_no): Declare.
5765         * tree-inline.c (initialize_cfun): Add initialization.
5766         (tree_function_versioning): Cleanup.
5768 2007-01-10  Jan Hubicka  <jh@suse.cz>
5770         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5771         PHIs.
5773 2007-01-10  Sa Liu  <saliu@de.ibm.com>
5774             Ben Elliston  <bje@au.ibm.com>
5776         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5777         for SAVE_NONLOCAL and Pmode for any other save level.
5778         * spu-protos.h (spu_restore_stack_block): Declare.
5779         * spu.md (save_stack_block): Remove.
5780         (restore_stack_block): Call spu_restore_stack_block.
5781         * spu.c (spu_restore_stack_block): New function.
5782         (spu_expand_epilogue): Remove old comment.
5784 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
5786         PR tree-optimization/30322
5787         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5788         (cand_value_at): Return the value as aff_tree.
5789         (may_eliminate_iv): Convert the bound from aff_tree to tree.
5790         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5791         aff_combination_mult): New functions.
5792         (aff_combination_add): Use aff_combination_add_cst.
5793         (aff_combination_convert): Allow conversions to a wider type.
5794         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5795         * tree-affine.h (aff_combination_mult): Declare.
5797 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
5799         * doc/tm.texi: Update documentation to reflect reality of exec
5800         and start file search behaviours. Update copyright year.
5801         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5802         header file directories.
5804 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
5806         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5807         (*cosxf2): Rename to cosxf2_i387.
5808         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
5809         using X87MODEF12 mode macro. Rename patterns to
5810         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
5811         for SSE math.
5812         (*cosdf2, *cossf2): Ditto.
5813         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
5814         to match extended input operands.
5815         (sincos<mode>3): New expander.
5816         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
5817         insn patterns and corresponding splitters.
5819 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5821         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
5822         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
5824 2007-01-09  Nicolas Pitre  <nico@cam.org>
5826         PR target/30173
5827         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
5829 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5831         * target.h (struct gcc_target): New field library_rtti_comdat.
5832         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
5833         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
5834         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
5835         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
5837 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5839         * doc/invoke.texi (Optimize Options): Correct description of -O0.
5841 2007-01-08  Richard Guenther  <rguenther@suse.de>
5843         * tree.h (force_fit_type_double): Export.
5844         (force_fit_type): Remove.
5845         * fold-const.c (force_fit_type_double): New function.
5846         (force_fit_type): Remove.
5847         (int_const_binop): Use it.
5848         (fold_convert_const_int_from_int): Likewise.
5849         (fold_convert_const_int_from_real): Likewise.
5850         (fold_div_compare): Likewise.
5851         (fold_sign_changed_comparison): Likewise.
5852         (fold_unary): Likewise.
5853         (fold_negate_const): Likewise.
5854         (fold_abs_const): Likewise.
5855         (fold_not_const): Likewise.
5856         * c-common.c (shorten_compare): Use force_fit_type_double.
5857         * convert.c (convert_to_pointer): Likewise.
5859 2007-01-08  Richard Guenther  <rguenther@suse.de>
5861         * tree.h (build_int_cst_wide_type): Export.
5862         * tree.c (build_int_cst_wide_type): New function.
5863         (build_int_cst_wide): Fix comment.
5864         * builtins.c (fold_builtin_object_size): Use build_int_cst
5865         to build -1 or 0 of the correct type.  Use fit_double_type
5866         to check for overflow.
5867         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
5868         to build the mask.
5869         (decode_field_reference): Likewise.
5870         (all_ones_mask_p): Likewise.
5871         (native_interpret_int): Use build_int_cst_wide_type.
5872         (fold_binary): Use build_int_cst_type to build an all-ones
5873         value.
5874         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
5876 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
5878         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
5880 2007-01-09  Ben Elliston  <bje@au.ibm.com>
5882         * genautomata.c (STATS_OPTION): New option.
5883         (stats_flag): New flag.
5884         (gen_automata_option): Handle it.
5885         (initiate_automaton_gen): Ditto.
5886         (write_automata): Output statistics only if stats_flag is
5887         set. Likewise, output time statistics only if time_flag is set.
5888         * doc/md.texi (Processor pipeline description): Document new flag.
5890 2007-01-08  Richard Guenther  <rguenther@suse.de>
5892         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
5893         * tree.c (build_int_cst_type): Likewise.
5894         (size_in_bytes): Don't call force_fit_type on the result.
5895         (int_fits_type_p): Use fit_double_type.
5896         * fold-const.c (fit_double_type): New function.
5897         (force_fit_type): Use it.
5898         * tree.h (fit_double_type): Export.
5900 2007-01-08  Jan Hubicka  <jh@suse.cz>
5902         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
5903         * ipa.c (function_and_variable_visibility): Fix return type.
5905 2007-01-08  Richard Guenther  <rguenther@suse.de>
5907         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
5908         of offset to build the index.
5909         * tree-pretty-print.c (dump_generic_node): Don't build negated
5910         const just for printing.
5911         * c-pretty-print.c (pp_c_integer_constant): Likewise.
5912         * builtins.c (fold_builtin_int_roundingfn): Check if result
5913         fits the type by using force_fit_type and comparing the result.
5914         * predict.c (predict_loops): Use compare_tree_int for comparison.
5915         * tree.c (build_int_cst): Fall back to integer_type_node for
5916         NULL_TREE type.
5917         (build_int_cst_wide): Assert type is non-null.
5919 2007-01-08  Roberto Costa  <roberto.costa@st.com>
5921         * tree-vrp.c (extract_range_from_cond_expr): New.
5922         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
5923         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
5924         as expressions.
5925         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
5926         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
5927         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
5928         used as expressions.
5929         * tree-object-size.c (cond_expr_object_size): New.
5930         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
5932 2007-01-08  Jan Hubicka  <jh@suse.cz>
5934         * tree-ssa-forwprop.c (forward_propagate_into_cond,
5935         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
5936         statement.
5938 2007-01-08  Richard Guenther  <rguenther@suse.de>
5940         PR tree-optimization/23603
5941         * tree-vrp.c (set_value_range_to_truthvalue): New function.
5942         (extract_range_from_binary): Fall back to truthvalue instead of
5943         varying for TRUTH_*_EXPR.
5944         (extract_range_from_comparison): Fall back to truthvalue instead of
5945         varying.
5946         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
5947         if all visited PHI values were constant.
5949 2007-01-08  Jan Hubicka  <jh@suse.cz>
5951         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
5952         (cgraph_analyze_function): break out from ...
5953         (cgraph_finalize_compilation_unit): ... here.
5954         (cgraph_expand_function): Remove forgoten commented out line.
5955         (cgraph_optimize): Analyze functions.
5957 2007-01-08  Jan Hubicka  <jh@suse.cz>
5959         * tree-pas.h (TODO_remove_function): New flag.
5960         (TODO_update*): Renumber.
5961         (pass_ipa_increase_alignment,
5962         pass_ipa_function_and_variable_visibility): New passes.
5963         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
5964         (cgraph_function_and_variable_visibility): Move to ipa.c
5965         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
5966         cgraph_increase_alignment.
5967         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
5968         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
5969         calling tree-inline.
5970         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
5971         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
5972         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
5973         (gate_increase_alignment): New function.
5974         (pass_ipa_increase_alignment): New pass.
5975         * ipa.c: Inline tree-pass.h and timevar.h
5976         (function_and_variable_visibility): Move here from cgraphunit.c
5977         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
5978         * passes.c (init_optimization_passes): Add the two new passes.
5979         (execute_todo): Handle cgraph_remove_functions.
5981 2007-01-08  Nick Clifton  <nickc@redhat.com>
5983         * config/frv/predicates.md (reg_or_0_operand): Accept
5984         CONST_DOUBLEs.
5986 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
5988         * config/bfin/rtems.h, config/bfin/t-rtems: New.
5989         * config.gcc: Add bfin*-rtems*.
5991 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5993         * c.opt: Add -flax-vector-conversions.
5994         * c-typeck.c (convert_for_assignment): Pass flag to
5995         vector_types_convertible_p to allow emission of note.
5996         (digest_init): Likewise.
5997         * c-opts.c: Handle -flax-vector-conversions.
5998         * c-common.c (flag_lax_vector_conversions): New.
5999         (vector_types_convertible_p): Unless -flax-vector conversions
6000         has been passed, disallow conversions between vectors with
6001         differing numbers of subparts and/or element types.  If such
6002         a conversion is disallowed, possibly emit a note on the first
6003         occasion only to inform the user of -flax-vector-conversions.
6004         The new last argument specifies this.
6005         * c-common.h (flag_lax_vector_conversions): New.
6006         (vector_types_convertible_p): Add extra argument.
6007         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
6008         char_type_node for V*QI type vectors.
6009         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
6010         Update to satisfy new typechecking rules.
6011         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
6012         C and C++ variants.
6013         * doc/invoke.texi (C Dialect Options): Document
6014         -flax-vector-conversions.
6016 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
6018         PR tree-optimization/29877
6019         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
6020         a register variable on the RHS to not be replaceable.
6022 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
6023         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
6024         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
6025         const_simm15, const_pow2, const_npow2): Added.
6026         * config/score/misc.md (insv, extv, extzv, movmemsi,
6027         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
6028         * config/score/score.c (score_address_cost, score_select_cc_mode):
6029         Added.
6030         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
6031         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
6032         Update score_print_operand.
6033         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
6034         Adjust register allocate order and update some macro define.
6035         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
6036         mdx_block_move_straight, mdx_block_move_loop_head,
6037         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
6038         mdx_block_move): Added.
6039         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
6040         mdp_limm): Updated and fix some bug and typo.
6041         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
6042         (movsf, movdf, doloop_end): Added.
6044 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
6046         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
6047         config/arm/thumb2.md: Fix comment typos.
6048         * doc/extend.texi: Fix a typo.
6050 2007-01-07  Eric Christopher  <echristo@apple.com>
6052         * configure.ac: Check for __stack_chk_fail for darwin.
6053         * configure: Regenerate.
6055 2007-01-07  Richard Guenther  <rguenther@suse.de>
6057         * tree-vrp.c (extract_range_from_assert): CSE calls to
6058         compare_values where possible.
6059         (extract_range_from_unary_expr): Likewise.
6061 2007-01-07  Anatoly Sokolov <aesok@post.ru>
6063         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
6064         * config/avr/avr.c (call_insn_operand): Delete function.
6065         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
6066         instead of register number. Use predicates.
6067         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
6068         call_insn_operand): Add.
6070 2007-01-06  Jan Hubicka  <jh@suse.cz>
6072         * tree-pass.h (pass_build_cgraph_edges): Declare.
6073         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
6074         (visited_nodes): Remove.
6075         (cgraph_create_edges): Move to cgraphbuild.c; rename to
6076         build_cgrpah_edges; make visited_nodes local.
6077         (cgraph_process_new_functions): DO not call initialize_inline_failed.
6078         (record_references_in_initializer): Move to cgraphbuild.c
6079         (initialize_inline_failed, rebuild_cgraph_edges,
6080         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
6081         (verify_cgraph_node): Make visited_nodes local.
6082         (cgraph_analyze_function): Do not call cgraph_create_edges and
6083         initialize_inline_failed.
6084         (cgraph_expand_function): Do not call cgraph_lower_function;
6085         assert that function is already lowered.
6086         * Makefile.in (cgraphbuild.o): New.
6087         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
6088         at the end of lowering passes.
6090 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
6092         * ifcvt.c (cond_move_convert_if_block): New function, code
6093         factored out from...
6094         (cond_move_process_if_block): ...here.  Call the new function
6095         on the THEN and ELSE blocks.
6096         (merge_if_block): Do not copy global_live_at_end, merge_blocks
6097         already takes care of this.
6099 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6101         PR c/19978
6102         * tree.h (TREE_OVERFLOW_P): New.
6103         * c-typeck.c (parser_build_unary_op): Warn only if result
6104         overflowed and operands did not.
6105         (parser_build_binary_op): Likewise.
6106         (convert_for_assignment): Remove redundant overflow_warning.
6107         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
6109 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6111         * c-typeck.c (store_init_value): Split over two lines to follow
6112         the GNU coding style.
6114 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
6116         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
6117         __GXX_EXPERIMENTAL_CXX0X__.
6118         * doc/cpp.texi: Same.
6120 2007-01-05  Richard Guenther  <rguenther@suse.de>
6122         PR middle-end/27826
6123         * tree.c (get_narrower): Do not construct COMPONENT_REFs
6124         with mismatched types.  Instead explicitly build a
6125         conversion NOP_EXPR.
6127 2007-01-05  Ian Lance Taylor  <iant@google.com>
6129         * c-common.c (decl_with_nonnull_addr_p): New function.
6130         (c_common_truthvalue_conversion): Call it.
6131         * c-typeck.c (build_binary_op): Likewise.
6132         * c-common.h (decl_with_nonnull_addr_p): Declare.
6134 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
6136         PR c/30360
6137         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
6138         denom against 0.0.
6140 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
6142         * doc/install.texi (Final install): Document the fact that
6143         the GNAT runtime should not be stripped.
6145 2007-01-04  Jan Hubicka  <jh@suse.cz>
6147         * tree-inline.c (fold_marked_statements): Update operand caches
6148         and EH after folding
6150 2007-01-04  Ian Lance Taylor  <iant@google.com>
6152         * c-common.c (check_function_nonnull): Whitespace fix.
6154 2007-01-04  Jan Hubicka  <jh@suse.cz>
6156         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
6157         comitted older version of patch.
6158         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
6159         function, celanup cfg and collect garbage.
6161 2007-01-04  Mike Stump  <mrs@apple.com>
6163         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
6164         (clean): Likewise.
6166 2007-01-04  Eric Christopher  <echristo@apple.com>
6168         * libgcc2.c (__bswapsi2): Use SItype.
6169         (__bswapdi2): Use DItype.
6170         * libgcc2.h: Update for above.
6172 2007-01-04  Paul Brook  <paul@codesourcery.com>
6174         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
6175         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
6176         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
6177         umulsidi3, umulsidi3adddi, smulsi3_highpart,
6178         umulsi3_highpart): Make conditional on !arm_arch6.
6179         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
6180         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
6181         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
6182         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
6183         umulsi3_highpart_v6): New insns.
6185 2007-01-04  Roger Sayle  <roger@eyesopen.com>
6187         * fold-const.c (fold_convert): When casting an expression to void,
6188         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
6189         have a type.  Instead of attempting to build a NOP_EXPR, return
6190         these "special" trees directly.
6192 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
6194         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
6195         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
6196         rs6000_cost->fp not 0 as adjustment for outer NEG.
6198 2007-01-04  Jan Hubicka  <jh@suse.cz>
6200         * cgraph.c (cgraph_release_function_body): New function.
6201         (cgraph_remove_node): Use it.
6202         * cgraph.h (cgraph_release_function_body): Declare.
6203         * cgraphunit.c (cgraph_expand_function): Use it.
6204         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
6205         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
6206         is initialized and while compilation of other function is running.
6207         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
6208         statement CFG annotations from here to ...
6209         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
6211 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
6213         * cfgloop.h (enum li_flags): Make the constants powers of two.
6215 2007-01-04  Jan Hubicka  <jh@suse.cz>
6217         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
6218         set.
6219         (fold_marked_statements): New function.
6220         (optimize_inline_calls, tree_function_versioning): Fold new statements.
6221         * tree-inline.h (copy_body_data): Add statements_to_fold.
6223 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
6225         * config.gcc: Mention libgcc/config.host.
6226         * Makefile.in: Update comments mentioning libgcc.
6227         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
6228         (all.cross, start.encap, rest.encap, rest.cross): Update
6229         dependencies for libgcc move.
6230         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
6231         (clean-target, clean-target-libgcc): Delete.
6232         (srcdirify, GCC_EXTRA_PARTS): New macros.
6233         (libgcc-support, libgcc.mvars): New rules.
6234         (distclean): Remove mention of mklibgcc.
6235         (install): Don't reference INSTALL_LIBGCC.
6236         (install-common): Don't reference EXTRA_PARTS.
6237         (install-libgcc, install-multilib): Delete rules.
6238         * mklibgcc.in: Delete file.
6239         * doc/configfiles.texi: Don't mention mklibgcc.
6241         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
6242         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
6243         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
6244         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
6245         (mklibgcc, ldblspecs): Likewise.
6247         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
6248         (posixpre.def): Use $(T).
6249         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
6250         (SHLIB_SRC, SHLIB_INSTALL): Delete.
6251         (SHLIB_LINK): Make dummy.
6252         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
6254         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
6256         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
6257         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
6258         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
6259         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
6261         * configure.ac (all_outputs): Remove mklibgcc.
6262         * configure: Regenerated.
6264 2007-01-03  Josh Conner  <jconner@apple.com>
6266         PR middle-end/29683
6267         * calls.c (compute_argument_addresses): Set stack and stack_slot
6268         for partial args, too.
6269         (store_one_arg): Use locate.size.constant for the size when
6270         generating a save_area.
6272 2007-01-03  Robert Kennedy <jimbob@google.com>
6274         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
6275         whose definitions are deleted due to basic block merging.
6277 2007-01-03  Paul Brook  <paul@codesourcery.com>
6279         PR target/16634
6280         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
6281         functions.
6282         (use_return_insn): Return 0 for Thumb interrupt functions.
6283         (print_multi_reg): Add rfe argument for IRQ returns.
6284         (arm_output_epilogue): Pop interrupt return address directly into PC.
6285         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
6287 2007-01-03  Paul Brook  <paul@codesourcery.com>
6289         Merge from sourcerygxx-4_1.
6290         * config/arm/thumb2.md: New file.
6291         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
6292         Thumb-2.
6293         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
6294         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6295         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
6296         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
6297         tables.
6298         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6299         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
6300         comptibility.
6301         * config/arm/ieee754-sf.S: Ditto.
6302         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
6303         (thumb1_base_register_rtx_p): ... to this.
6304         (thumb_index_register_rtx_p): Rename...
6305         (thumb1_index_register_rtx_p): ... to this.
6306         (thumb_output_function_prologue): Rename...
6307         (thumb1_output_function_prologue): ... to this.
6308         (thumb_legitimate_address_p): Rename...
6309         (thumb1_legitimate_address_p): ... to this.
6310         (thumb_rtx_costs): Rename...
6311         (thumb1_rtx_costs): ... to this.
6312         (thumb_compute_save_reg_mask): Rename...
6313         (thumb1_compute_save_reg_mask): ... to this.
6314         (thumb_final_prescan_insn): Rename...
6315         (thumb1_final_prescan_insn): ... to this.
6316         (thumb_expand_epilogue): Rename...
6317         (thumb1_expand_epilogue): ... to this.
6318         (arm_unwind_emit_stm): Rename...
6319         (arm_unwind_emit_sequence): ... to this.
6320         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
6321         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
6322         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
6323         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
6324         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
6325         thumb2_output_casesi): New functions.
6326         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
6327         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
6328         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
6329         THUMB2_WORK_REGS): Define.
6330         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
6331         arm_condexec_mask, arm_condexec_masklen)): New variables.
6332         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
6333         (arm_override_options): Check new CPU capabilities.
6334         Set new architecture flag variables.
6335         (arm_isr_value): Handle v7m interrupt functions.
6336         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
6337         Thumb-2.
6338         (const_ok_for_arm): Handle Thumb-2 constants.
6339         (arm_gen_constant): Ditto.  Use movw when available.
6340         (arm_function_ok_for_sibcall): Return false for v7m interrupt
6341         functions.
6342         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
6343         (thumb_find_work_register, arm_load_pic_register,
6344         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
6345         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
6346         print_multi_reg, output_mov_long_double_fpa_from_arm,
6347         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
6348         output_mov_double_fpa_from_arm, output_move_double,
6349         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
6350         output_return_instruction, arm_output_function_prologue,
6351         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
6352         arm_output_mi_thunk, thumb_set_return_address): Ditto.
6353         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
6354         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
6355         (arithmetic_instr, shift_op): Use arm_shift_nmem.
6356         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
6357         '!' and 'L'.
6358         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
6359         (thumb_expand_prologue): Use thumb_set_frame_pointer.
6360         (arm_file_start): Output directive for unified syntax.
6361         (arm_unwind_emit_set): Handle stack alignment instruction.
6362         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
6363         Add v6t2, v7, v7a, v7r and v7m.
6364         (RETLDM): Add Thumb-2 code.
6365         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
6366         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
6367         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
6368         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
6369         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
6370         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
6371         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
6372         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
6373         ADJUST_INSN_LENGTH): Define.
6374         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
6375         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
6376         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
6377         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
6378         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6379         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
6380         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
6381         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
6382         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
6383         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
6384         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
6385         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
6386         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
6387         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
6388         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
6389         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
6390         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
6391         cortex-m3.
6392         * config/arm/arm-tune.md: Regenerate.
6393         * config/arm/arm-protos.h: Update prototypes.
6394         * config/arm/vfp.md: Enable patterns for Thumb-2.
6395         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
6396         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
6397         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
6398         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
6399         * config/arm/libunwind.S: Add Thumb-2 code.
6400         * config/arm/constraints.md: Update include Thumb-2.
6401         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
6402         * config/arm/ieee754-df.S: Ditto.
6403         * config/arm/bpabi.S: Ditto.
6404         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
6405         * config/arm/predicates.md (low_register_operand,
6406         low_reg_or_int_operand, thumb_16bit_operator): New.
6407         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
6408         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
6409         * config/arm/t-arm-elf: Add armv7 multilib.
6410         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
6411         Include thumb2.md.
6412         (UNSPEC_STACK_ALIGN, ce_count): New.
6413         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
6414         arm_zero_extendsidi2, arm_zero_extendqidi2): New
6415         insns/expanders.
6416         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
6417         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
6418         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
6419         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
6420         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
6421         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
6422         insns.
6423         * doc/extend.texi: Document ARMv7-M interrupt functions.
6424         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
6426 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
6428         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
6429         (struct _Unwind_Context): Rename args_size to flags, remove
6430         signal_frame field, add a new args_size field and version field.
6431         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
6432         _Unwind_IsExtendedContext): New inline functions.
6433         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6434         Assume by_value array is only present if _Unwind_IsExtendedContext.
6435         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
6436         _Unwind_IsSignalFrame.
6437         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
6438         (uw_update_context_1): Use _Unwind_SetSignalFrame.
6439         (uw_init_context_1): Initialize context->flags to
6440         EXTENDED_CONTEXT_BIT.
6441         * config/rs6000/linux-unwind.h (frob_update_context): Use
6442         _Unwind_SetSignalFrame.
6444 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6446         PR middle-end/30353
6447         * gimplify.c (gimplify_modify_expr_complex_part): Move below
6448         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
6449         the value.
6451 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
6453         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
6454         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
6455         RET, AT_SP): Remove.
6456         * config/i386/i386.md (*sse_prologue_save_insn): Use return
6457         instead of RET.
6459         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6460         * cfgbuild.c (find_basic_blocks): Likewise.
6461         * cfgrtl.c (rtl_create_basic_block): Likewise.
6462         * function.c (temp_slots_at_level): Likewise.
6463         * reg-stack.c (stack_regs_mentioned): Likewise.
6464         * regclass.c (allocate_reg_info): Likewise.
6465         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6466         set_bb_for_stmt, move_block_to_fn): Likewise.
6467         * tree-complex.c (tree_lower_complex): Likewise.
6468         * vec.h (VEC_safe_grow_cleared): New.
6470         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
6472 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
6474         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
6475         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
6476         to loop_version.
6477         * cfgloopmanip.c (scale_loop_frequencies): Export.
6478         (loopify): Scale the frequencies by prescribed coefficients.
6479         (set_zero_probability): New function.
6480         (duplicate_loop_to_header_edge): Improve updating of frequencies.
6481         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
6482         and frequencies according to arguments.
6483         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
6484         correctly.
6485         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
6486         * modulo-sched.c (sms_schedule): Set probabilities for entering
6487         versioned loop correctly.
6488         * tree-vect-transform.c (vect_transform_loop): Ditto.
6489         * cfgloop.h (loopify, loop_version): Declaration changed.
6490         (scale_loop_frequencies): Declared.
6492 2007-01-02  Jan Hubicka  <jh@suse.cz>
6494         * cgraph.c: Include tree-flow.h
6495         (cgraph_add_new-function): Handle IPA_SSA mode; execute
6496         early_local_passes.
6497         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
6498         * tree-pass.h (pass_all_early_optimizations): Declare.
6499         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
6500         early_local_passes.
6501         (cgraph_analyze_function): Do early_local_passes.
6502         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6503         Do not add referenced vars.
6504         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
6505         SSA form.
6506         (gate_all_early_local_passes): New gate.
6507         (pass_early_local_passes): Use new gate.
6508         (execute_early_local_optimizations): New functions.
6509         (gate_all_early_optimizations): New gate.
6510         (pass_all_early_optimizations): New pass.
6511         (execute_free_datastructures): Free SSA only when initialized.
6512         (gate_init_datastructures): Init only when optimizing.
6513         (tree_lowering_passes): Do early local passes when called late.
6514         * tree-profile.c (do_tree_profiling): Don't profile functions added
6515         late.
6516         (do_early_tree_profiling, pass_early_tree_profile): Kill.
6517         * tree-cfg.c (update_modified_stmts): Do not update when operands are
6518         not active.
6519         * passes.c (init_optimizations_passes): Reorder so we go into SSA
6520         during early_local_passes.
6521         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
6524 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6526         * Makefile.in: Update copyright year.
6528 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6530         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
6531         in $(lang_checks) and check-consistency targets.
6533 2007-01-02  Jan Hubicka  <jh@suse.cz>
6535         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6536         Do not add referenced vars.
6537         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
6538         are not active.
6539         * passes.c (init_optimization_passes): Put mudflap_2 after
6540         free_datastructures.
6542 2007-01-02  Jan Hubicka  <jh@suse.cz>
6544         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
6545         Set NOTHROW flag on call statements proved to be nothrow.
6546         Update statement of local calls so new pure/const functions are
6547         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
6548         goto receivers.
6549         (tree_rest_of_compilation): Register hooks and initialize bitmap
6550         early. Do not set after_inlining flag.
6552 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
6554         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
6555         HOST_BITS_PER_LONGLONG
6557 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6559         PR c/19977
6560         * c-typeck.c (store_init_value): Don't emit pedantic overflow
6561         warning for non-static initializers.
6563 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
6565         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
6566         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
6567         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
6568         Always use set_unique_reg_note to add REG_EQUAL notes.
6570 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6572         Revert:
6573         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6575         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6576         * cfgbuild.c (find_basic_blocks): Likewise.
6577         * cfgrtl.c (rtl_create_basic_block): Likewise.
6578         * function.c (temp_slots_at_level): Likewise.
6579         * reg-stack.c (stack_regs_mentioned): Likewise.
6580         * regclass.c (allocate_reg_info): Likewise.
6581         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6582         set_bb_for_stmt, move_block_to_fn): Likewise.
6583         * tree-complex.c (tree_lower_complex): Likewise.
6584         * vec.h (VEC_safe_grow_cleared): New.
6586 2007-01-02  Ian Lance Taylor  <iant@google.com>
6588         * c-common.c (c_common_truthvalue_conversion): When warning about
6589         using an assignment as a truth value, set TREE_NO_WARNING.
6591 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6593         PR middle-end/7651
6594         * c.opt (Wold-style-declaration): New.
6595         * doc/invoke.texi (C-only Warning Options): New.
6596         (Wold-style-declaration): Document it.
6597         (Wextra): Enabled by -Wextra.
6598         * c-opts.c (c_common_post_options): Enabled by -Wextra.
6599         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
6600         -Wold-style-declaration.
6602 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6604         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6605         * cfgbuild.c (find_basic_blocks): Likewise.
6606         * cfgrtl.c (rtl_create_basic_block): Likewise.
6607         * function.c (temp_slots_at_level): Likewise.
6608         * reg-stack.c (stack_regs_mentioned): Likewise.
6609         * regclass.c (allocate_reg_info): Likewise.
6610         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6611         set_bb_for_stmt, move_block_to_fn): Likewise.
6612         * tree-complex.c (tree_lower_complex): Likewise.
6613         * vec.h (VEC_safe_grow_cleared): New.
6615 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
6617         * c-common.c (c_common_nodes_and_builtins): Since variants of
6618         void_type_node get built before it is given a name, we need to
6619         give those variants the name, too.
6620         (complete_array_type): We need to work with the canonical main
6621         type of the array, from which we will build the qualified version.
6622         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
6623         * print-tree.c (print_node): Display canonical type information
6624         for each type.
6625         * stor-layout.c (layout_type): When we don't know the
6626         alignment of a type for which we're building an array, we end up
6627         guessing wrong, so make the type require structural equality.
6628         * tree.c (make_node_stat): When we build a new type, it is its
6629         own canonical type.
6630         (build_type_attribute_qual_variant): When building an attribute
6631         variant, its canonical type is the non-attribute variant. However,
6632         if the attributes are target-dependent and they differ, we need to
6633         use structural equality checks for this type.
6634         (build_qualified_type): A qualified type is not equivalent to its
6635         unqualified variant; set the canonical type appropriately.
6636         (build_distinct_type_copy): When building a distinct type from
6637         another type, the new type is its own canonical type.
6638         (build_variant_type_copy): When building a new type variant, we
6639         assume that it is equivalent to the original type.
6640         (build_pointer_type_for_mode): When building a pointer type, also
6641         build a canonical type pointer.
6642         (build_reference_type_for_mode): When building a reference type,
6643         also build a canonical type reference.
6644         (build_index_type): When we can't hash an index type (e.g.,
6645         because its maximum value is negative), the index type requires
6646         structural equality tests.
6647         (build_array_type): Build the canonical form of an array type.
6648         (build_function_type): Function types require structural equality,
6649         because they contain default arguments, attributes, etc.
6650         (build_method_type_directly): Ditto for method types.
6651         (build_offset_type): Build the canonical offset type.
6652         (build_complex_type): Build the canonical vector type.
6653         (make_vector_type): Build the canonical vector type.
6654         * tree.h (TYPE_CANONICAL): New.
6655         (TYPE_STRUCTURAL_EQUALITY_P): New.
6656         (SET_TYPE_STRUCTURAL_EQUALITY): New.
6657         (struct tree_type): Added "canonical" field.
6658         * params.h (VERIFY_CANONICAL_TYPES): New.
6659         * doc/c-tree.texi (TYPE_CANONICAL): Document.
6660         (TYPE_STRUCTURAL_EQUALITY_P): Document.
6661         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
6662         * doc/invoke.texi (verify-canonical-types): Document --param
6663         parameter for verifying canonical types.
6665 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6667         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
6668         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
6669         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
6670         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
6671         tm_file.
6672         * config/rs6000/e500.h: New.
6673         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
6674         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
6675         Remove.
6676         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
6677         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
6678         TARGET_E500_DOUBLE): Remove.
6679         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
6680         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
6681         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
6682         * config/rs6000/rs6000.c (rs6000_override_options): Use
6683         CHECK_E500_OPTIONS.
6685 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6687         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
6688         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
6689         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
6690         rs6000_emit_cmove): Don't check TARGET_E500.
6691         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
6692         sordered): Don't check TARGET_E500.
6694 2007-01-01  Eric Christopher  <echristo@apple.com>
6696         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
6697         HARD_REGISTER_NUM_P.
6699 2007-01-01  Roger Sayle  <roger@eyesopen.com>
6701         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
6702         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
6703         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
6704         eq/ne Y".
6706 2007-01-01  Mike Stump  <mrs@apple.com>
6708         * configure.ac: Remove support for building with Apple's gcc-3.1.
6710 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6712         PR middle-end/30311
6713         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
6714         REG is a hard register.  Do not modify REG before calling
6715         subreg_nregs.
6716         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
6717         multiple of the size of YMODE for certain lowpart cases.
6719 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6721         PR middle-end/30253
6722         * gimplify (voidify_wrapper_expr): Update for
6723         GIMPLE_MODIFY_STMT.
6725 2007-01-01  Andreas Schwab  <schwab@suse.de>
6727         PR target/29166
6728         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6729         save of BR0 in extra_spill_size instead of spill_size.
6730         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6731         area.
6732         (ia64_expand_epilogue): Restore BR0 from its new location.
6734 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6736         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6737         Use a temporary variable if the left hand side is not a gimple
6738         register.
6740 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6742         * gimplify.c (gimplify_return_expr): Make the temporary variable
6743         for the return expression, a gimple register variable.
6745 2007-01-01  Jan Hubicka  <jh@suse.cz>
6747         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6748         INSN_LIST.
6750 2007-01-01  Mike Stump  <mrs@apple.com>
6752         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6753         .literal16.
6754         * config/darwin.c (machopic_select_rtx_section): Use
6755         HAVE_GAS_LITERAL16.
6756         (darwin_mergeable_constant_section): Likewise.
6757         * configure: Regenerate.
6758         * config.in: Regenerate.
6760 2007-01-01  Jan Hubicka  <jh@suse.cz>
6761             Andrew Pinski  <pinskia@gmail.com>
6763         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6764         before starting IPA passes.