* config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
[official-gcc.git] / gcc / ChangeLog
blob2de3d70b2e8411f6dca5182712c6fef5423827f6
1 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
5 2007-02-27  Andreas Schwab  <schwab@suse.de>
7         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
9 2007-02-27  Jan Hubicka  <jh@suse.cz>
11         * predict.c (last_basic_block_p): Remove.
12         (tree_estimate_probability): Update return heuristic for commonized
13         return blocks.
15 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
17         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
19 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
21         * doc/include/gcc-common.texi (versionsubtitle): New macro.
22         * doc/cpp.texi: Standardize title page.
23         * doc/cppinternals.texi: Likewise.
24         * doc/gcc.texi: Standardize title page, remove version number
25         from copyright page.
26         * doc/gccint.texi: Likewise.
27         * doc/install.texi: Standardize title page, add table of
28         contents.
30 2007-02-26  Jan Hubicka  <jh@suse.cz>
32         * predict.def: Set outcomes according to more recent results.
33         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
34         Remove dead predictors.
35         * predict.c (return_prediction): Fix pasto.
37 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
39         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
40         change; avoid a memory leak when returning early.
41         
42 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
44         * c-decl.c (static_ctors): Move to c-common.c.
45         (static_dtors): Likewise.
46         (finish_function): Use c_record_cdtor_fn.
47         (build_cdtor): Move to c-common.c.
48         (c_write_global_declarations): Use c_build_cdtor_fns.
49         * c-common.h (static_ctors): Declare.
50         (static_dtors): Likewise.
51         (c_record_cdtor_fn): Likewise.
52         (c_build_cdtor_fns): Likewise.
53         * c-common.c (static_ctors): New variable.
54         (static_dtors): Likewise.
55         (c_record_cdtor_fn): New function.
56         (build_cdtor): Move from c-decl.c
57         (c_build_cdtor_fns): New function.
59         * output.h (assemble_addr_to_section): Declare.
60         (get_cdtor_priority_section): Likewise.
61         * varasm.c (assemble_addr_to_section): New function.
62         (get_cdtor_priority_section): Likewise.
63         (default_named_section_asm_out_destructor): Use them.
64         (destor_dtor_section_asm_out_destructor): Likewise.
65         (default_named_section_asm_out_constructor): Likewise.
66         (default_ctor_section_asm_out_constructor): Likewise.
67         * config.gcc (*-*-vxworks*): Include vxworks.o.
68         * config/t-vxworks (vxworks.o): New target.
69         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
70         (TARGET_ASM_CONSTRUCTOR): Define.
71         (TARGET_ASM_DESTRUCTOR): Likewise.
72         (vxworks_asm_out_constructor): Declare.
73         (vxworks_asm_out_destructor): Likewise.
75         * c-common.c (get_priority): Check that we have not just an
76         INTEGER_CST, but an integer constant with integeral type.
78 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
80         PR tree-optimization/30938
81         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
82         use &dt[nargs-1] instead of &dt[nargs] in the call to
83         vect_is_simple_use().
85 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
87         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
88         from register elimination as PRE_MODIFY / POST_MODIFY increments.
89         Do not attempt to handle MEM inside auto-inc expressions.
90         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
91         of a register modified by an auto-inc expression.  However, do handle
92         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
93         (elimination_effects): Prohibit elimination of a register modified
94         by an auto-inc expression.  Disable register elimination rules whose
95         target register is modified by an auto-inc expression with variable
96         increment.
98 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
100         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
101         off-by-one error.
102         (array_at_struct_end_p): New function.
103         (idx_infer_loop_bounds): Use it.
104         (estimate_numbers_of_iterations_loop): Export.
105         * predict.c (predict_loops): Use estimated_loop_iterations_int.
106         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
107         (tree_estimate_probability): Call record_loop_exits.
108         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
109         (estimated_loop_iterations, estimated_loop_iterations_int,
110         estimated_loop_iterations_tree): New functions.
111         (analyze_siv_subscript_cst_affine,
112         compute_overlap_steps_for_affine_1_2,
113         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
114         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
115         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
116         (PRED_LOOP_ITERATIONS_GUESSED): New.
117         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
118         * cfgloop.h (estimate_numbers_of_iterations_loop,
119         estimated_loop_iterations_int): Declare.
121 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
123         * doc/extend.texi: Document optional priority argument to
124         constructors and destructors.
125         * tree.c (init_priority_for_decl): Adjust GTY markers.
126         (init_ttree): Use priority-info hash functions for
127         init_priority_for_decl.
128         (tree_map_eq): Rename to ...
129         (tree_map_base_eq): ... this.
130         (tree_map_marked_p): Rename to ...
131         (tree_map_base_marked_p): ... this.
132         (tree_map_base_hash): New function.
133         (decl_init_priority_lookup): Rework.
134         (decl_fini_priority_lookup): New function.
135         (decl_priority_info): New function.
136         (decl_init_priority_insert): Use it.
137         (decl_fini_priority_insert): Likewise.
138         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
139         hierarchy.
140         (decl_restrict_base_insert): Likewise.
141         (decl_debug_expr_insert): Likewise.
142         (decl_value_expr_lookup): Likewise.
143         (decl_value_expr_insert): Likewise.
144         * tree.h (priority_type): New type.
145         (decl_init_priority_lookup): Use priority_type.
146         (decl_fini_priority_lookup): New function.
147         (decl_init_priority_insert): Use priority_type.
148         (decl_fini_priority_insert): New function.
149         (DECL_HAS_INIT_PRIORITY): Tweak comments.
150         (DECL_INIT_PRIORITY): Likewise.
151         (SET_DECL_INIT_PRIORITY): Add comment.
152         (DECL_FINI_PRIORITY): New macro.
153         (SET_DECL_FINI_PRIORITY): Likewise.
154         (DEFAULT_INIT_PRIORITY): Document.
155         (MAX_INIT_PRIORITY): Likewise.
156         (MAX_RESERVED_INIT_PRIORITY): Likewise.
157         (tree_map_base): New type.
158         (tree_map_base_eq): New function.
159         (tree_map_base_hash): Likewise.
160         (tree_map_base_marked_p): Likewise.
161         (tree_map): Inherit from tree_map_base.
162         (tree_map_eq): Make it a macro.
163         (tree_map_marked_p): Likewise.
164         (tree_int_map): Inherit from tree_map_base.
165         (tree_int_map_eq): Make it a macro.
166         (tree_int_map_hash): Likewise.
167         (tree_int_map_marked_p): Likewise.
168         (tree_priority_map): New type.
169         (tree_priority_map_eq): New macro.
170         (tree_priority_map_hash): Likewise.
171         (tree_priority_map_marked_p): Likewise.
172         * varasm.c (emults_decl): Adjust for refactoring of tree_map
173         hierarchy.
174         (emutls_common_1): Likewise.
175         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
176         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
177         of tree_map hierarchy.
178         * tree-cfg.c (move_stmt_r): Likewise.
179         (new_label_mapper): Likewise.
180         * c-tree.h (c_expand_body): Move to ...
181         * c-common.h (c_expand_body): ... here.
182         * c-decl.c (c_expand_body): Move to ...
183         * c-common.c (c_expand_body): ... here.
184         (c_common_attribute_table): Allow 1 argument for the constructor
185         and destructor attributes.
186         (get_priority): New function.
187         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
188         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
190 2007-02-24  Jan Hubicka  <jh@suse.cz>
192         PR middle-end/30509
193         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
195 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
196             Jan Hubicka  <jh@suse.cz>
198         PR target/30778
199         * i386.c (counter_mode): New function.
200         (expand_set_or_movmem_via_loop): Use it.
201         (expand_movmem_epilogue): Likewise; fix pasto.
202         (ix86_expand_movmem): Do emit guard even for constant counts.
203         (ix86_expand_setmem): Likewise.
205 2007-02-25  Nick Clifton  <nickc@redhat.com>
207         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
208         (JUMP_TABLES_IN_TEXT_SECTION): Define.
210 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
212         PR target/30770
213         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
214         count argument with 0x10, not with 0x16.
215         (expand_setmem_epilogue): Ditto.
217 2007-02-24  Mike Stump  <mrs@apple.com>
219         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
220         symbols.
222 2007-02-24  Richard Guenther  <rguenther@suse.de>
224         PR middle-end/30951
225         * fold-const.c (fold_binary): Fold x +- CST op x for
226         EQ_EXPR and NE_EXPR.
228 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
230         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
232 2007-02-24  Jan Hubicka  <jh@suse.cz>
234         * cgraphunit.c (decide_is_function_needed): Honor
235         -fkeep-inline-functions.
237 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
239         * builtins.c (fold_builtin_modf): New.
240         (fold_builtin_2): Use it.
242 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
244         * loop-iv.c (implies_p): Detect additional cases where A implies B.
245         (determine_max_iter): Take additional LOOP arg; all callers changed.
246         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
247         one using simplifications.
248         (simplify_using_initial_values): Return if the expression becomes
249         invalid due to altered regs.
251 2007-02-23  DJ Delorie  <dj@redhat.com>
253         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
255 2007-02-23  Mike Stump  <mrs@apple.com>
257         * tlink.c (scan_linker_output): Parse linker messages from
258         darwin9's linker better.
260 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
262         PR debug/29614
263         * varpool.c (varpool_assemble_pending_decls):  Set
264         varpool_last_needed_node to null.
266 2007-02-23  DJ Delorie  <dj@redhat.com>
268         * config/i386/i386.c (ix86_data_alignment): Don't specify an
269         alignment bigger than the object file can handle.
271 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
273         PR target/30825
274         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
275         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
276         (*movsf_1): Penalize MMX moves.
278 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
280         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
281         2^32-1 or more times unless flag_unsafe_loop_optimizations.
283         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
285 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
287         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
288         (fold_builtin_1): Use them.
289         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
290         BUILT_IN_SIGNIFICAND.
292 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
294         * config/i386/i386.c (bdesc_1arg): Initialize
295         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
296         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
297         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
298         and IX86_BUILTIN_MOVSLDUP.
300 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
302         PR rtl-optimization/30841
303         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
305 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
307         * builtins.c (fold_builtin_frexp): New.
308         (fold_builtin_2): Use it.
310 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
312         * doc/invoke.texi (Spec Files): Document getenv spec function.
314         * gcc.c (getenv_spec_function): New function.
315         (static_spec_functions): Add it.
316         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
317         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
318         header files.
320 2007-02-22  Michael Matz  <matz@suse.de
322         PR c++/29433
323         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
324         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
326 2007-02-22  Ian Lance Taylor  <iant@google.com>
328         PR debug/30898
329         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
330         (mem_loc_descriptor): Call it.
332 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
333             Ira Rosen  <irar@il.ibm.com>
335         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
337 2007-02-22  Ira Rosen  <irar@il.ibm.com>
339         PR tree-optimization/30843
340         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar 
341         stores only after all the group is vectorized.
343 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
345         PR tree-optimization/30858
346         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
347         in the reduction cycle have a single use in the loop.
348         * tree-vectorizer.h (relevant): Add documentation.
350 2007-02-20  Mike Stump  <mrs@apple.com>
352         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
353         * configure: Regenerate.
355 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
357         Change the defaults of some parameters and options.
358         * config/spu/spu-protos.h (spu_optimization_options): Declare.
359         * config/spu/spu.c (spu_optimization_options): Add.
360         (spu_override_options): Change params in spu_optimization_options.
361         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
363         Register 127 is only 16 byte aligned when used as a frame pointer.
364         * config/spu/spu-protos.h (spu_init_expanders): Declare.
365         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
366         HARD_FRAME_POINTER_REGNUM.
367         (spu_legitimate_address):  Use regno_aligned_for_reload.
368         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
369         aligned when frame_pointer_needed is true.
370         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
371         to 8 bits.
372         * config/spu/spu.h (INIT_EXPANDERS): Define.
374         Make sure shift and rotate instructions have valid immediate operands.
375         * config/spu/predicates.md (spu_shift_operand): Remove.
376         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
377         * config/spu/constraints.md (W, O): Extend range.
378         * config/spu/spu.md (umask, nmask): Define.
379         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
380         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
381         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
382         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
383         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
384         (lshr<mode>3_reg):  Fix rtl description.
386         Make sure mulhisi immediate operands are valid.
387         * config/spu/predicates.md (imm_K_operand): Add.
388         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
390         Generate constants using fsmbi and andi.
391         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
392         (print_operand, spu_split_immediate, classify_immediate,
393         fsmbi_const_p): Handle IC_FSMBI2.
395         Correctly handle a CONST_VECTOR containing symbols.
396         * config/spu/spu.c (print_operand): Handle HIGH correctly.
397         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
398         (immediate_load_p): Allow symbols that use 2 instructions to create.
399         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
400         with symbols when flag_pic is set.
401         (const_vector_immediate_p): New.
402         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
403         accept a CONST_VECTOR with symbols.
404         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
405         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
406         correctly.
407         * config/spu/spu.md (high, low): Delete.
408         (low_<mode>): Define.
410         Remove INTRmode and INTR_REGNUM, which didn't work.
411         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
412         of INTR_REGNUM.
413         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
414         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
415         peephole2 pattern): Don't use INTR or 131.
416         (movintrcc): Delete.
417         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
418         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
419         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
420         (UNSPEC_SET_INTR): Add.
421         * config/spu/spu-modes.def (INTR): Remove.
423         More accurate warnings about run-time relocations.
424         * config/spu/spu.c (reloc_diagnostic): Test in_section.
426         Correctly warn about immediate arguments to specific intrinsics.
427         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
428         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
429         the instruction predicate.
431         Fix tree check errors with latest update.
432         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
433         CALL_EXPR_ARG.
434         (spu_expand_builtin): Use CALL_EXPR_FN.
436         Add missing specific intrinsics.
437         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
438         si_bislede.
439         * config/spu/spu_internals.h: Ditto.
441         Fix incorrect operand modifiers.
442         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
443         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
445         Optimize one case of zero_extend of a vec_select.
446         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
448         Accept any immediate for hbr.
449         * config/spu/spu.md (hbr):  Change s constraints to i.
451 2007-02-21  Paul Brook  <paul@codesourcery.com>
453         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
454         condexec_count when skipping USE and CLOBBER.
456 2007-02-21  Nick Clifton  <nickc@redhat.com>
458         * common.opt (Warray-bounds): Add Warning attribute.
459         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
460         Likewise.
461         (fsized-zeroes): Add Optimization attribute.
462         (fsplit-wide-types, ftree-scev-cprop): Likewise.
463         * c.opt (Wc++0x-compat): Add Warning attribute.
465 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
467         PR middle-end/30761
468         * reload1.c (eliminate_regs_in_insn): In the single_set special
469         case, attempt to re-recognize the insn before falling back to
470         having reload fix it up.
472 2007-02-20  Eric Christopher  <echristo@gmail.com>
474         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
475         Rewrite accordingly.
476         (frv_read_iacc_argument): Ditto.
477         (frv_expand_set_builtin): Take a call instead of arglist, update for
478         above changes.
479         (frv_expand_unop_builtin): Ditto.
480         (frv_expand_binop_builtin): Ditto.
481         (frv_expand_cut_builtin): Ditto.
482         (frv_expand_binopimm_builtin): Ditto.
483         (frv_expand_voidbinop_builtin): Ditto.
484         (frv_expand_int_void2arg): Ditto.
485         (frv_expand_prefetches): Ditto.
486         (frv_expand_voidtriop_builtin): Ditto.
487         (frv_expand_voidaccop_builtin): Ditto.
488         (frv_expand_load_builtin): Ditto.
489         (frv_expand_store_builtin): Ditto.
490         (frv_expand_mdpackh_builtin): Ditto.
491         (frv_expand_mclracc_builtin): Ditto.
492         (frv_expand_mrdacc_builtin): Ditto.
493         (frv_expand_mwtacc_builtin): Ditto.
494         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
495         calls for above.
497 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
499         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
500         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
501         cmpb instruction.
502         (HAVE_GAS_DFP): Check for assembler support of decimal floating
503         point instructions.
504         * configure: Regenerate.
505         * config.in: Regenerate.
506         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
507         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
508         masks to power6 and power6x and to POWERPC_MASKS.
509         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
510         _ARCH_PWR6.
511         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
512         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
513         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
514         Access PROTOTYPE as variable, not mask.
516 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
518         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
519         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
520         * combine.c (adjust_for_new_dest): Use it.
521         * postreload.c (reload_combine): Likewise.
523 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
525         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
526         notes on an insn with multiple sets, even if single_set returns
527         non-NULL for that insn.
529 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
531         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
532         scalbn and scalbln.
534 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
536         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
537         if user didn't pass it.
538         * config/i386/darwin.h (CC1_SPEC): Likewise.
539         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
540         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
541         -mmacosx-version-min.
543 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
544             Uros Bizjak  <ubizjak@gmail.com>
546         * optabs.h (enum optab_index): Add new OTI_scalb.
547         (scalb_optab): Define corresponding macro.
548         * optabs.c (init_optabs): Initialize scalb_optab.
549         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
550         patterns.
551         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
552         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
553         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
554         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
555         flag_unsafe_math_optimizations is set.
557         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
558         to implement scalbf, scalb and scalbl built-ins as inline x87
559         intrinsics.
561 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
562             DJ Delorie <dj@redhat.com>
564         PR other/30824
565         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
566         (diagnostic_report_diagnostic): ... here, and turn them into real
567         errors. If warnings are inhibited, no need to do anything.
569 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
571         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
572         better code generation.
574 2007-02-20  Ben Elliston  <bje@au.ibm.com>
576         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
578 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
580         * config/alpha/alpha.c, config/alpha/alpha.md,
581         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
582         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
583         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
584         config/arm/lib1funcs.asm: Follow spelling conventions.
586         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
587         config/fr30/fr30.md, config/i386/i386.h,
588         config/iq2000/iq2000.h, config/iq2000/predicates.md,
589         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
590         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
591         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
592         config/rs6000/altivec.md, config/rs6000/rs6000.c,
593         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
594         config/sparc/sparc.c, config/sparc/sparc.h,
595         config/sparc/sparc.md, config/spu/constraints.md,
596         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
597         conventions.
599 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
601         PR target/29943
602         * varasm.c (use_blocks_for_decl_p): Return false for decls with
603         alias attribute.
605 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
607         * doc/invoke.texi (-ftree-lrs): Remove.
609 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
611         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
612         NULL.
614 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
616         * config/ia64/ia64.c (ia64_expand_builtin): Use the
617         new CALL_EXPR_FN macro for retrieving the function
618         declaration of the input expression.
620 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
622         * c.opt (Waddress): New.
623         * common.opt (Walways-true): Delete.
624         (Wstring-literal-comparison): Delete.
625         * doc/invoke.texi (Warning Options): Delete -Walways-true and
626         -Wstring-literal-comparison. Add -Waddress.
627         (Waddress): New.
628         (Walways-true): Delete.
629         (Wstring-literal-comparison): Delete.
630         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
631         consistently instead of -Walways-true in example.
632         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
633         * c-typeck.c (parser_build_binary_op): Replace
634         -Wstring-literal-comparison and -Walways-true with -Waddress.
635         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
636         with -Waddress.
638 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
640         * tree-cfg.c (dump_function_to_file): Be prepared for functions
641         without DECL_STRUCT_FUNCTION initialized.
643 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
645         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
646         due to calls to functions taking pointers as parameters.
648 2007-02-19  Richard Henderson  <rth@redhat.com>
650         PR debug/29558
651         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
652         in memory.
654 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
656         * config/s390/s390.c (s390_call_saved_register_used,
657         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
658         accessed to the new scheme.
660 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
662         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
663         (cris_print_index, cris_print_operand, cris_print_operand_address)
664         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
665         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
666         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
667         GET_CODE () == xxx.
668         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
669         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
670         GO_IF_LEGITIMATE_ADDRESS): Ditto.
671         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
672         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
673         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
674         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
675         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
676         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
677         (uminsi3, call, call_value): Ditto.
678         (define_split: indir_to_reg_split, unnamed): Ditto.
680 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
682         PR tree-optimization/30975
683         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
684         wrong assert.
686 2007-02-18  Eric Christopher  <echristo@gmail.com>
688         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
689         Remove use of arglist.
690         (mips_expand_builtin): Remove use of arglist, pass in expr.
691         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
692         (mips_expand_builtin_movtf): Ditto.
693         (mips_expand_builtin_compare): Ditto.
695 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
697         * tree-sra.c (sra_build_assignment): Replace assertion
698         checking with a comment explaining why it can't be done.
700 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
702         PR middle-end/30833
703         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
704         during CALL_EXPR representation conversion.
705         * tree-ssa-propagate.c (set_rhs): Likewise.
707 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
709         * tree-sra.c (sra_build_assignment): Disable assertion checking
710         for now.
712 2007-02-18  Roger Sayle  <roger@eyesopen.com>
714         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
715         instead of calling build2 with a GIMPLE_MODIFY_STMT.
716         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
717         Likewise.
718         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
719         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
720         gimplify_init_ctor_eval_range, gimple_push_cleanup,
721         gimplify_omp_for, gimplify_omp_atomic_pipeline,
722         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
723         force_gimple_operand): Likewise.
724         * ipa-cp.c (constant_val_insert): Likewise.
725         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
726         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
727         perfect_nestify): Likewise.
728         * langhooks.c (lhd_omp_assignment): Likewise.
729         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
730         lower_copyprivate_clauses, lower_send_clauses,
731         lower_send_shared_vars, expand_parallel_call,
732         expand_omp_for_generic, expand_omp_for_static_nochunk,
733         expand_omp_for_static_chunk, expand_omp_sections,
734         lower_omp_single_copy, lower_omp_for_lastprivate,
735         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
736         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
737         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
738         Likewise.
740 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
742         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
743         config/sh/sh.md: Follow spelling conventions.
745         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
746         config/frv/predicates.md: Follow spelling conventions.
748         * config/m68k/linux-unwind.h: Fix a comment typo.
749         * target.h: Follow spelling conventions.
751 2007-02-18  Roger Sayle  <roger@eyesopen.com>
753         PR rtl-optimization/28173
754         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
755         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
756         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
757         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
758         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
760 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
762         * builtins.c (fold_builtin_load_exponent): New.
763         (fold_builtin_2): Use it.
765 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
767         PR rtl-optimization/30773
768         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
769         if we fail to attach a REG_EQUIV note.
771 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
772             Roger Sayle  <roger@eyesopen.com>
774         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
776 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
778         * calls.c (initialize_argument_information): Pass original EXP
779         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
780         code to split complex arguments here, as part of initializing the
781         ARGS array.
782         (expand_call): Remove code that builds a list of arguments and
783         inserts implicit arguments into it.  Instead, just count how many
784         implicit arguments there will be so we can determine the size of
785         the ARGS array, and let initialize_argument_information do the work.
786         (split_complex_values): Delete unused function.
788 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
790         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
792 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
794         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
795         for arg pointer based indexed addressing.
797 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
799         * config/ia64/ia64.h, config/ia64/ia64.md,
800         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
801         spelling conventions.
803 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
805         * config/m68k/m68k.c (split_di): New.
806         * config/m68k/m68k-protos.h: Declare split_di.
807         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
808           Improve predicate handling and split constant shifts.
810 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
812         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
813         parameter for register bitfield operations, general predicates
814         cleanup
816 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
818         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
819         * config/m68k/linux-unwind.h: New file.
821 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
823         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
824         config/i386/athlon.md, config/ia64/ia64.md,
825         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
826         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
827         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
828         tree-ssa-loop-niter.c, tree-vect-analyze.c,
829         tree-vect-transform.c: Fix comment typos.
831 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
833         * sched-deps.c (find_insn_list): Remove.
834         * sched-int.h: Remove the prototype for find_insn_list.
836 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
838         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
839         to linker.
840         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
841         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
842         darwin_rs6000_override_options.
843         (C_COMMON_OVERRIDE_OPTIONS): Expect
844         darwin_macosx_version_min to be non-NULL always.
845         (TARGET_C99_FUNCTIONS): Likewise.
846         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
847         (DARWIN_MINVERSION_SPEC): New.
848         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
849         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
850         to cc1*.
851         (DARWIN_MINVERSION_SPEC): New.
852         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
853         value.
854         * config/darwin-c.c (darwin_cpp_builtins): Expect
855         darwin_macosx_version_min to be non-NULL always.
857         * config/rs6000/rs6000.c: Clean up trailing whitespace.
859 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
861         * config/i386/i386.h (x86_use_xchgb): New.
862         (TARGET_USE_XCHGB): New macro.
863         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
864         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
865         Split after reload into bswaphi for shifts of 8.
866         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
867         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
868         or when optimizing for size.
870 2007-02-16  Richard Guenther  <rguenther@suse.de>
871             Christian Bruel  <christian.bruel@st.com>
873         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
874         DECLs but prefer SSA_NAMEs over DECLs.
876 2007-02-16  Richard Guenther  <rguenther@suse.de>
878         * tree-flow-inline.h (single_imm_use_p): Remove.
879         (zero_imm_uses_p): Likewise.
880         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
881         instead of single_imm_use_p.
882         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
883         zero_imm_uses_p.
885 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
887         PR other/27843
888         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
889         nested double- and backquotes.
891 2007-02-15  Roger Sayle  <roger@eyesopen.com>
893         PR middle-end/30391
894         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
895         should be unreachable.
896         (build2_stat): Allow construction of MODIFY_EXPR at any time.
897         For the time being redirect GIMPLE_MODIFY_STMT to the new
898         (renamed) build_gimple_modify_stmt_stat.
899         (build2_gimple_stat): Rename to...
900         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
901         Always build a GIMPLE_MODIFY_STMT node.
902         * tree.h (build2_gimple, build2_gimple_stat): Delete.
903         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
904         declarations.
906         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
907         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
908         * tree-complex.c (set_component_ssa_name, expand_complex_move,
909         expand_complex_div_wide): Likewise.
910         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
911         * tree-ssa-loop-im.c (schedule_sm): Likewise.
912         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
913         * tree-ssa-loop-manip.c (create_iv): Likewise.
914         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
915         abs_replacement): Likewise.
916         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
917         realify_fake_stores): Likewise.
919         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
920         node rather than a GIMPLE_MODIFY_STMT node.
921         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
922         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
923         Likewise.
924         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
925         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
926         GIMPLE_MODIFY_STMT.
928 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
930         PR middle-end/30433
931         * fold-const.c (fold_comparison): Add back the
932         folding of constant complex comparisions.
934 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
936         PR middle-end/30729
937         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
938         effects unknown to this function, return early.
940 2007-02-15  Ian Lance Taylor  <iant@google.com>
942         * lower-subreg.c (move_eh_region_note): New static function.
943         (resolve_simple_move): Call it.
944         (decompose_multiword_subregs): Track blocks for which we resolve a
945         simple move which is also a control flow insn.  Pass them to
946         find_many_sub_basic_blocks.
947         (pass_lower_subreg): Add TODO_verify_flow.
948         (pass_lower_subreg2): Likewise.
950 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
951             Brooks Moses  <brooks.moses@codesourcery.com>
952             Lee Millward  <lee.millward@codesourcery.com>
954         * tree.h (enum tree_code_class): Add tcc_vl_exp.
955         (VL_EXP_CLASS_P): New.
956         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
957         TREE_CODE_LENGTH.
958         (TREE_OPERAND_CHECK_CODE): Likewise.
959         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
960         (TREE_RTL_OPERAND_CHECK): Likewise.
961         (tree_operand_check_failed): Make second parameter the whole tree
962         instead of its code.  Fixed callers.
963         (VL_EXP_CHECK): New.
964         (TREE_OPERAND_LENGTH): New.
965         (VL_EXP_OPERAND_LENGTH): New.
966         (CALL_EXPR_FN): New.
967         (CALL_EXPR_STATIC_CHAIN): New.
968         (CALL_EXPR_ARGS): New.
969         (CALL_EXPR_ARG): New.
970         (call_expr_nargs): New.
971         (CALL_EXPR_ARGP): New.
972         (build_nt_call_list): Declare.
973         (build_vl_exp_stat): Declare.
974         (build_vl_exp): New.
975         (build_call_list): Declare.
976         (build_call_nary): Declare.
977         (build_call_valist): Declare.
978         (build_call_array): Declare.
979         (call_expr_arg): Declare.
980         (call_expr_argp): Declare.
981         (call_expr_arglist): Declare.
982         (fold_build_call_list): Declare.
983         (fold_build_call_list_initializer): Declare.
984         (fold_call_expr): Declare to replace fold_builtin.
985         (fold_builtin_fputs): Update to agree with modified definition.
986         (fold_builtin_strcpy): Likewise.
987         (fold_builtin_strncpy): Likewise.
988         (fold_builtin_memory_chk): Likewise.
989         (fold_builtin_stxcpy_chk): Likewise.
990         (fold_builtin_strncpy_chk): Likewise.
991         (fold_builtin_next_arg): Likewise.
992         (fold_build_call_expr): Declare.
993         (fold_builtin_call_list): Declare.
994         (fold_builtin_call_valist): Declare.
995         (build_call_expr): Declare.
996         (validate_arglist): Update to agree with modified definition.
997         (tree_operand_length): New.
998         (call_expr_arg_iterator): New.
999         (init_call_expr_arg_iterator): New.
1000         (next_call_expr_arg): New.
1001         (first_call_expr_arg): New.
1002         (more_call_expr_args_p): New.
1003         (FOR_EACH_CALL_EXPR_ARG): New.
1005         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
1006         and tcc_gimple_stmt.
1007         (tree_code_size): Update documentation.  Use sizeof (tree) rather
1008         than sizeof (char *).
1009         (tree_size): Likewise.  Add case for tcc_vl_exp.
1010         (tree_node_structure): Add case for tcc_vl_exp.
1011         (contains_placeholder_p): Likewise.
1012         (substitute_in_expr): Likewise.
1013         (substitute_placeholder_in_expr): Likewise.
1014         (stabilize_reference_1): Likewise.
1015         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
1016         to diagnose breakage of this interface for constructing CALL_EXPRs.
1017         (build_nt): Add similar assertion here.
1018         (build_nt_call_list): New.
1019         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
1020         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
1021         TREE_CODE_LENGTH.
1022         (get_callee_fndecl): Use new CALL_EXPR accessors.
1023         (tree_operand_check_failed): Change parameters to pass entire node
1024         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
1025         (process_call_operands): New.
1026         (build_vl_exp_stat): New.
1027         (build_call_list): New.
1028         (build_call_nary): New.
1029         (build_call_valist): New.
1030         (build_call_array): New.
1031         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1032         (call_expr_arglist): New.
1034         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
1035         tcc_vl_exp instead of a fixed-size tcc_expression.
1037         * doc/c-tree.texi (CALL_EXPR): Document new representation and
1038         accessors for CALL_EXPRs.
1039         (AGGR_INIT_EXPR): Likewise.
1041 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1042             Brooks Moses  <brooks.moses@codesourcery.com>
1043             Lee Millward  <lee.millward@codesourcery.com>
1045         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
1046         (expand_builtin_nonlocal_goto): Change parameter to be entire
1047         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
1048         (expand_builtin_prefetch): Likewise.
1049         (expand_builtin_classify_type): Likewise.
1050         (mathfn_built_in): Return NULL_TREE instead of 0.
1051         (expand_errno_check): Use new CALL_EXPR accessors.
1052         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
1053         Return NULL_RTX instead of 0.
1054         (expand_builtin_mathfn_2): Likewise.
1055         (expand_builtin_mathfn_3): Likewise.
1056         (expand_builtin_interclass_mathfn): Likewise.
1057         (expand_builtin_sincos): Likewise.
1058         (expand_builtin_cexpi): Likewise.
1059         (expand_builtin_int_roundingfn): Likewise.
1060         (expand_builtin_int_roundingfn_2): Likewise.
1061         (expand_builtin_pow): Likewise.
1062         (expand_builtin_powi): Likewise.
1063         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
1064         of arglist, fixing callers appropriately.  Use new CALL_EXPR
1065         accessors and constructors.  Return NULL_RTX instead of 0.
1066         (expand_builtin_strstr): Likewise.
1067         (expand_builtin_strchr): Likewise.
1068         (expand_builtin_strrchr): Likewise.
1069         (expand_builtin_strpbrk): Likewise.
1070         (expand_builtin_memcpy): Likewise.
1071         (expand_builtin_mempcpy): Likewise.
1072         (expand_builtin_mempcpy_args): New.
1073         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
1074         (expand_builtin_memmove_args): New.
1075         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
1076         (expand_movstr): Likewise.
1077         (expand_builtin_strcpy): Likewise.
1078         (expand_builtin_strcpy_args): New.
1079         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
1080         (expand_builtin_strncpy): Likewise.
1081         (expand_builtin_memset): Likewise.
1082         (expand_builtin_memset_args): New.
1083         (expand_builtin_bzero): Similarly to expand_builtin_memset.
1084         (expand_builtin_memcmp): Likewise.
1085         (expand_builtin_strcmp): Likewise.
1086         (expand_builtin_strncmp): Likewise.
1087         (expand_builtin_strcat): Likewise.
1088         (expand_builtin_strncat): Likewise.
1089         (expand_builtin_strspn): Likewise.
1090         (expand_builtin_strcspn): Likewise.
1091         (expand_builtin_args_info): Likewise.
1092         (expand_builtin_va_start): Likewise.
1093         (gimplify_va_arg_expr): Likewise.
1094         (expand_builtin_va_end): Likewise.
1095         (expand_builtin_va_copy): Likewise.
1096         (expand_builtin_frame_address): Likewise.
1097         (expand_builtin_alloca): Likewise.
1098         (expand_builtin_bswap): Likewise.
1099         (expand_builtin_unop): Likewise.
1100         (expand_builtin_fputs): Likewise.
1101         (expand_builtin_expect): Likewise.
1102         (expand_builtin_fabs): Likewise.
1103         (expand_builtin_copysign): Likewise.
1104         (expand_builtin_printf): Likewise.
1105         (expand_builtin_fprintf): Likewise.
1106         (expand_builtin_sprintf): Likewise.
1107         (expand_builtin_init_trampoline): Likewise.
1108         (expand_builtin_signbit): Likewise.
1109         (expand_builtin_fork_or_exec): Likewise.
1110         (expand_builtin_sync_operation): Likewise.
1111         (expand_builtin_compare_and_swap): Likewise.
1112         (expand_builtin_lock_test_and_set): Likewise.
1113         (expand_builtin_lock_release): Likewise.
1114         (expand_builtin): Likewise.
1115         (builtin_mathfn_code): Likewise.
1117         (fold_builtin_constant_p): Pass call arguments individually instead
1118         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1119         accessors and constructors.  Return NULL_TREE instead of 0.
1120         (fold_builtin_expect): Likewise.
1121         (fold_builtin_classify_type): Likewise.
1122         (fold_builtin_strlen): Likewise.
1123         (fold_builtin_nan): Likewise.
1124         (integer_valued_real_p): Likewise.
1125         (fold_trunc_transparent_mathfn): Likewise.
1126         (fold_fixed_mathfn): Likewise.
1127         (fold_builtin_cabs): Likewise.
1128         (fold_builtin_sqrt): Likewise.
1129         (fold_builtin_cbrt): Likewise.
1130         (fold_builtin_cos): Likewise.
1131         (fold_builtin_cosh): Likewise.
1132         (fold_builtin_tan): Likewise.
1133         (fold_builtin_sincos): Likewise.
1134         (fold_builtin_cexp): Likewise.
1135         (fold_builtin_trunc): Likewise.
1136         (fold_builtin_floor): Likewise.
1137         (fold_builtin_ceil): Likewise.
1138         (fold_builtin_round): Likewise.
1139         (fold_builtin_int_roundingfn): Likewise.
1140         (fold_builtin_bitop): Likewise.
1141         (fold_builtin_bswap): Likewise.
1142         (fold_builtin_logarithm): Likewise.
1143         (fold_builtin_hypot): Likewise.
1144         (fold_builtin_pow): Likewise.
1145         (fold_builtin_powi): Likewise.
1146         (fold_builtin_exponent): Likewise.
1147         (fold_builtin_memset): Likewise.
1148         (fold_builtin_bzero): Likewise.
1149         (fold_builtin_memory_op): Likewise.
1150         (fold_builtin_bcopy): Deleted; call site changed to invoke
1151         fold_builtin_memory_op directly.
1152         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
1153         (fold_builtin_strncpy): Likewise.
1154         (fold_builtin_memcmp): Likewise.
1155         (fold_builtin_strcmp): Likewise.
1156         (fold_builtin_strncmp): Likewise.
1157         (fold_builtin_signbit): Likewise.
1158         (fold_builtin_copysign): Likewise.
1159         (fold_builtin_isascii): Likewise.
1160         (fold_builtin_toascii): Likewise.
1161         (fold_builtin_isdigit): Likewise.
1162         (fold_builtin_fabs): Likewise.
1163         (fold_builtin_abs): Likewise.
1164         (fold_builtin_fmin_fmax): Likewise.
1165         (fold_builtin_carg): Likewise.
1166         (fold_builtin_classify): Likewise.
1167         (fold_builtin_unordered_cmp): Likewise.
1169         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
1170         New functions split out from fold_builtin_1.
1171         (fold_builtin_n): New.
1172         (fold_builtin_varargs): New.
1173         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
1174         instead.
1175         (fold_call_expr): New.
1176         (build_function_call_expr): Rewrite to use new helper function.
1177         (fold_builtin_call_list): New.
1178         (build_call_expr): New.
1179         (fold_builtin_call_valist): New.
1180         (rewrite_call_expr): New.
1181         (validate_arg): New.
1182         (validate_arglist): Change parameter to be entire CALL_EXPR instead
1183         of an arglist.  Change return type to bool.  Use new CALL_EXPR
1184         accessors.
1186         (fold_builtin_strstr):  Pass call arguments individually instead
1187         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1188         accessors and constructors.  Return NULL_TREE instead of 0.
1189         (fold_builtin_strchr): Likewise.
1190         (fold_builtin_strrchr): Likewise.
1191         (fold_builtin_strpbrk): Likewise.
1192         (fold_builtin_strcat): Likewise.
1193         (fold_builtin_strncat): Likewise.
1194         (fold_builtin_strspn): Likewise.
1195         (fold_builtin_strcspn): Likewise.
1196         (fold_builtin_fputs): Likewise.
1197         (fold_builtin_next_arg): Likewise.
1198         (fold_builtin_sprintf): Likewise.
1200         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
1201         NULL_RTX instead of 0.
1202         (expand_builtin_memory_chk): Likewise.
1203         (maybe_emit_chk_warning): Likewise.
1204         (maybe_emit_sprintf_chk_warning): Likewise.
1206         (fold_builtin_object_size): Pass call arguments individually instead
1207         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1208         accessors and constructors.  Return NULL_TREE instead of 0.
1209         (fold_builtin_memory_chk): Likewise.
1210         (fold_builtin_stxcpy_chk): Likewise.
1211         (fold_builtin_strncpy_chk): Likewise.
1212         (fold_builtin_strcat_chk): Likewise.
1213         (fold_builtin_strcat_chk): Likewise.
1214         (fold_builtin_strncat_chk): Likewise.
1215         (fold_builtin_sprintf_chk): Likewise.
1216         (fold_builtin_snprintf_chk): Likewise.
1217         (fold_builtin_printf): Likewise.
1218         (fold_builtin_vprintf): Likewise.
1220         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
1221         constructors.
1222         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
1223         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1224         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
1225         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
1226         (fold_unary): Likewise.
1227         (fold_binary): Likewise.
1228         (fold_ternary): Remove CALL_EXPR case, since they are no longer
1229         ternary expressions.
1230         (fold): Add logic for tcc_vl_exp.
1231         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
1232         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1233         (fold_build3_stat): Add assertion to flag broken interface for
1234         constructing CALL_EXPRs.
1235         (fold_build_call_list): New.
1236         (fold_build_call_list_initializer): New.
1237         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
1238         constructors.
1239         (fold_strip_sign_ops): Likewise.
1241 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1242             Brooks Moses  <brooks.moses@codesourcery.com>
1243             Lee Millward  <lee.millward@codesourcery.com>
1245         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
1246         accessors and dump arguments explicitly.
1248         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
1249         TREE_CODE_LENGTH.
1250         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
1251         explicitly.
1252         (print_call_name): Use new CALL_EXPR accessors.
1254         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
1255         CALL_EXPR arguments explicitly instead of as a list.  Use
1256         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1258         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
1259         (vrp_visit_stmt): Likewise.
1261         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
1262         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
1263         TREE_CODE_LENGTH.
1264         (force_move_till_expr): Likewise.
1266         * targhooks.c (default_external_stack_protect_fail): Use
1267         build_call_expr instead of build_function_call_expr.
1268         (default_hidden_stack_protect_fail): Likewise.
1270         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
1271         build the call.
1273         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
1274         and walk arguments explicitly.
1276         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
1277         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1278         (expand_simple_operations): Likewise.
1279         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
1281         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
1282         of TREE_CODE_LENGTH.
1283         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
1285         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
1286         instead of TREE_CODE_LENGTH.
1288         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
1289         (tree_ic_transform): Likewise.
1290         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
1291         parameter instead of arglist.  Fix callers.
1292         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
1293         (tree_stringops_transform): Likewise.
1294         (tree_indirect_call_to_profile): Likewise.
1295         (tree_stringops_values_to_profile): Likewise.
1297         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
1298         (eliminate_tail_call): Likewise.
1300         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
1302         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1303         Use TREE_OPERAND_LENGTH and generalize to handle any number of
1304         operands.
1305         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1307         * omp-low.c (build_omp_barrier): Use build_call_expr.
1308         (lower_rec_input_clauses): Likewise.
1309         (lower_reduction_clauses): Likewise.
1310         (expand_parallel_call): Likewise.
1311         (maybe_catch_exception): Likewise.
1312         (expand_omp_for_generic): Likewise.
1313         (expand_omp_for_static_nochunk): Likewise.
1314         (expand_omp_sections): Likewise.
1315         (lower_omp_single_simple): Likewise.
1316         (lower_omp_single_copy): Likewise.
1317         (lower_omp_master): Likewise.
1318         (lower_omp_ordered): Likewise.
1319         (lower_omp_critical): Likewise.
1321         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1322         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1324         * tree-gimple.c (is_gimple_call_addr): Fix doc.
1325         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1326         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
1328         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1329         and generalize to handle any number of operands.
1330         (chrec_contains_undetermined): Likewise.
1331         (tree_contains_chrecs): Likewise.
1332         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1334         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1336         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
1337         fold_call_expr instead of fold_builtin.
1338         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
1339         match declarations there.
1340         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
1341         updates.
1343         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1344         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1346         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1347         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1349         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1350         accessors.
1352         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1353         (execute_cse_sincos): Use new CALL_EXPR accessors.
1355         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1357         * gimple-low.c (lower_function_body): Use build_call_expr.
1358         (lower_builtin_setjmp): Likewise.
1360         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1361         (set_storage_via_libcall): Likewise.
1362         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
1363         instead of TREE_CODE_LENGTH.
1364         (expand_expr_real_1): Use new CALL_EXPR accessors.
1366         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1367         generalize to handle any number of operands.
1368         (TB_parent_eq): Likewise.
1370         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1371         (strip_builtin_expect): Likewise.
1373         * function.c (gimplify_parameters): Use build_call_expr.
1375         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1376         instead of TREE_CODE_LENGTH.
1378         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1379         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1381         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1382         iterators.
1384         * gimplify.c (build_stack_save_restore): Use build_call_expr.
1385         (gimplify_decl_expr): Likewise.
1386         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1387         Use new CALL_EXPR iterators.
1388         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1389         (gimplify_modify_expr_to_memset): Likewise.
1390         (gimplify_variable_sized_compare): Likewise.
1391         (gimplify_omp_atomic_fetch_op): Likewise.
1392         (gimplify_omp_atomic_pipeline): Likewise.
1393         (gimplify_omp_atomic_mutex): Likewise.
1394         (gimplify_function_tree): Likewise.
1396         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1397         (call_expr_flags): Likewise.
1398         (expand_call): Likewise.
1400         * except.c (expand_builtin_eh_return_data_regno): Pass entire
1401         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1402         accessors.
1404         * coverage.c (create_coverage): Use build_call_expr.
1406         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1407         (temp_call_expr_obstack): New.
1408         (pool_copy_list): Delete.
1409         (temp_copy_call_expr): New.
1410         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
1411         CALL_EXPR accessors.  Get rid of special goo for copying argument
1412         lists and use temp_copy_call_expr instead.
1413         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
1414         CALL_EXPR accessors.
1415         (create_expression_by_pieces): Likewise.  Use build_call_array
1416         to construct the result instead of fold_build3.
1417         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
1418         dealing with argument lists.
1419         (init_pre): Remove references to expression_node_pool and
1420         list_node_pool.  Init temp_call_expr_obstack instead.
1421         (fini_pre): Remove references to expression_node_pool and
1422         list_node_pool.
1424         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1425         and walk arguments explicitly instead of as a list.
1427         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1428         (mx_register_decls): Likewise.
1429         (mudflap_register_call): Likewise.
1430         (mudflap_finish_file): Likewise.
1432         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1433         (ipa_callsite_compute_param): Likewise.
1435         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1436         accessors and constructor.
1438         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1439         accessors and constructor.
1440         (convert_tramp_reference): Likewise.
1441         (convert_call_expr): Likewise.
1442         (finalize_nesting_tree_1): Likewise.
1444         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1445         accessors.
1447         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1449         * tree-inline.c (initialize_inlined_parameters): Pass entire
1450         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1451         accessors.
1452         (estimate_num_insns_1): Use new CALL_EXPR accessors.
1453         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1455         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
1456         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1457         (vectorizable_reduction): Likewise.
1458         (vectorizable_call): Use new CALL_EXPR iterators.
1459         (vectorizable_conversion): Use build_call_expr.
1460         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1461         (vect_gen_widened_results_half): Use build_call_expr.
1462         (vect_setup_realignment): Likewise.
1463         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1465         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1466         (pass_through_call): Likewise.
1467         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
1468         fold_builtin.
1470         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1471         (tree_gen_pow2_profiler): Likewise.
1472         (tree_gen_one_value_profiler): Likewise.
1473         (tree_gen_ic_func_profiler): Likewise.
1474         (tree_gen_average_profiler): Likewise.
1475         (tree_gen_ior_profiler): Likewise.
1477         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1478         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1479         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1481         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1482         of TREE_CODE_LENGTH.
1484         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1485         of TREE_CODE_LENGTH.
1487         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1488         constructor.
1489         (convert_to_integer): Likewise.
1491         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1492         accessors.
1494 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1495             Brooks Moses  <brooks.moses@codesourcery.com>
1496             Lee Millward  <lee.millward@codesourcery.com>
1498         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1499         accessors.
1500         * config/frv/frv.c (frv_expand_builtin): Likewise.
1501         * config/s390/s390.c (s390_expand_builtin): Likewise.
1503         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1504         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1506         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1507         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1508         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1509         (ix86_expand_store_builtin): Likewise.
1510         (ix86_expand_unop_builtin): Likewise.
1511         (ix86_expand_unop1_builtin): Likewise.
1512         (ix86_expand_sse_compare): Likewise.
1513         (ix86_expand_sse_comi): Likewise.
1514         (ix86_expand_vec_init_builtin): Likewise.
1515         (ix86_expand_vec_ext_builtin): Likewise.
1516         (ix86_expand_vec_set_builtin): Likewise.
1517         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1519         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1520         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1522         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1523         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1524         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1526         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1527         build_call_expr.
1528         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1529         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1530         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1531         (altivec_expand_abs_builtin): Likewise.
1532         (rs6000_expand_binop_builtin): Likewise.
1533         (altivec_expand_predicate_builtin): Likewise.
1534         (altivec_expand_lv_builtin): Likewise.
1535         (spe_expand_stv_builtin): Likewise.
1536         (altivec_expand_stv_builtin): Likewise.
1537         (rs6000_expand_ternop_builtin): Likewise.
1538         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1539         (altivec_expand_st_builtin): Likewise.
1540         (altivec_expand_dst_builtin): Likewise.
1541         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1542         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1543         (altivec_expand_vec_set_builtin): Likewise.
1544         (altivec_expand_vec_ext_builtin): Likewise.
1545         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1546         (spe_expand_builtin): Likewise.
1547         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1548         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1549         (spe_expand_evsel_builtin): Likewise.
1550         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1551         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1553         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1554         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1555         (arm_expand_unop_builtin): Likewise.
1556         (arm_expand_builtin): Use new CALL_EXPR accessors.
1558         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1559         accessors.
1561         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1562         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1563         (bfin_expand_unop_builtin): Likewise.
1564         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1566 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1567             Brooks Moses  <brooks.moses@codesourcery.com>
1568             Lee Millward  <lee.millward@codesourcery.com>
1570         * c-semantics.c (build_stmt): Add internal diagnostic check.
1572         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1573         accessors.  Print arguments explicitly instead of as a list.
1575         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1577         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1578         (c_finish_omp_flish): Likewise.
1580         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1581         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1582         instead of TREE_CODE_LENGTH.
1583         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1584         (c_warn_unused_result): Likewise.
1586 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1588         PR c/26494
1589         * doc/invoke.texi (Warning Options): Remove
1590         -Werror-implicit-function-declaration.
1591         (Wimplicit-function-declaration): Update description.
1592         * opts.c (common_handle_option): Move handling of -Werror=* to...
1593         (enable_warning_as_error): ...here.
1594         * opts.h (enable_warning_as_error): Declare.
1595         * c-decl.c (implicit_decl_warning): Unless
1596         -Wno-implicit-function-declaration is given, emit a pedwarn if
1597         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1598         * c.opt (Wimplicit-function-declaration): Replace
1599         mesg_implicit_function_declaration with
1600         warn_implicit_function_declaration.
1601         * c-opts.c (c_common_handle_option):
1602         -Werror-implicit-function-declaration is exactly equal as
1603         -Werror=implicit-function-declaration.
1604         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1605         warn_implicit_function_declaration.
1606         (c_common_post_options): -Wimplict-function-declaration is enabled
1607         by default by -std=c99, otherwise is disabled by default.
1608         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1610 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1612         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1613         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1614         former is ignored but not the latter.
1616 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1618         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1619         is made and the reference doesn't use the alias set of its type,
1620         do not create the temporary using that type.
1622 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1624         * jump.c: Remove prototypes for delete_computation and
1625         delete_prior_computation.
1627 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1629         * jump.c (get_label_after): Delete.
1630         (get_label_before, delete_computation, delete_jump,
1631         delete_prior_computation, follow_jumps): Move...
1632         * reorg.c (delete_computation, delete_prior_computation): ... here...
1633         (get_label_before, delete_jump): ... making these static ...
1634         (follow_jumps): ... and simplifying this since it only runs after
1635         reload.
1636         * rtl.h (get_label_after, get_label_before, delete_jump,
1637         follow_jumps): Delete prototypes.
1639 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1641         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1643 2007-02-15  Nick Clifton  <nickc@redhat.com>
1645         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1646         order to prevent it from being munged by the target.
1648 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1650         * config/i386/i386.md: Remove misleading comment.
1652 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1654         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1655         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1656         invalid patterns.
1658 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1660         * tree-sra.c (instantiate_missing_elements): Canonicalize
1661         bit-field types.
1662         (sra_build_assignment): New.
1663         (generate_copy_inout, generate_element_copy,
1664         generate_element_zero, generate_one_element_init): Use it.
1666 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1668         * tree-sra.c (instantiate_missing_elements): Canonicalize
1669         bit-field types.
1670         (sra_build_assignment): New.
1671         (generate_copy_inout, generate_element_copy,
1672         generate_element_zero, generate_one_element_init): Use it.
1674 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1676         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1677         limbo die nodes.
1679 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1681         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1682         types as aggregates not scalars.
1683         * function.c (assign_stack_temp_for_type): Likewise.
1685 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1686             Zdenek Dvorak  <dvorakz@suse.cz>
1688         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1689         name.
1691 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1693         * passes.c (next_pass_1): Clear the next field of the copied
1694         pass structure.
1696 2007-02-14  Richard Henderson  <rth@redhat.com>
1698         * tree-sra.c (early_sra): New.
1699         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1700         (tree_sra_early, pass_sra_early): New.
1701         * tree-pass.h (pass_sra_early): Declare.
1702         * passes.c (init_optimization_passes): Use it.
1704 2007-02-14  Richard Guenther  <rguenther@suse.de>
1706         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1708 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1710          PR tree-optimization/30771
1711         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1712         also phi nodes.
1713         (vect_analyze_operations): Induction phis can now be marked as
1714         used_in_loop.
1715         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1716         Update documentation accordingly.
1718 2007-02-14  Nick Clifton  <nickc@redhat.com>
1720         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1721         most 3 arguments are supported.
1722         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1724 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1726         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1727         Ensure dst->current is valid.
1729 2007-02-13  Paul Brook  <paul@codesourcery.com>
1731         * config.gcc: Add arm*-*-uclinux-*eabi.
1732         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1733         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1734         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1735         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1736         (LINK_SPEC): Define.
1737         (LIB_SPEC): Define.
1738         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1739         register.
1740         * config/arm/uclinux-eabi.h: New file.
1741         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1742         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1743         based targets.
1745 2007-02-13  Ian Lance Taylor  <iant@google.com>
1747         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1748         * flags.h (warn_strict_overflow): Declare.
1749         (enum warn_strict_overflow_code): Define.
1750         (issue_strict_overflow_warning): New static inline function.
1751         * opts.c (warn_strict_overflow): New variable.
1752         (common_handle_option): Handle OPT_Wstrict_overflow and
1753         OPT_Wstrict_overflow_.
1754         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1755         OPT_Wall.
1756         * fold-const.c: Include intl.h.
1757         (fold_deferring_overflow_warnings): New static variable.
1758         (fold_deferred_overflow_warning): New static variable.
1759         (fold_deferred_overflow_code): New static variable.
1760         (fold_defer_overflow_warnings): New function.
1761         (fold_undefer_overflow_warnings): New function.
1762         (fold_undefer_and_ignore_overflow_warnings): New function.
1763         (fold_deferring_overflow_warnings_p): New function.
1764         (fold_overflow_warning): New static function.
1765         (make_range): Add strict_overflow_p parameter.  Change all
1766         callers.
1767         (extract_muldiv, extract_muldiv_1): Likewise.
1768         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1769         tree_expr_nonnegative_p.
1770         (fold_negate_expr): Call fold_overflow_warning.
1771         (fold_range_test): Likewise.
1772         (fold_comparison): Likewise.
1773         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1774         instead of tree_expr_nonnegative_p.
1775         (tree_expr_nonnegative_warnv_p): Rename from
1776         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1777         (tree_expr_nonnegative_p): New function.
1778         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1779         strict_overflow_p parameter.
1780         (tree_expr_nonzero_p): New function.
1781         * passes.c (verify_interpass_invariants): New static function.
1782         (execute_one_pass): Call it.
1783         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1784         warnings.
1785         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1786         (estimate_numbers_of_iterations): Likewise.
1787         (scev_probably_wraps_p): Likewise.
1788         * tree-ssa-ccp.c: Include "toplev.h".
1789         (evaluate_stmt): Defer fold overflow warnings until we know we are
1790         going to optimize.
1791         (struct fold_stmt_r_data): Add stmt field.
1792         (fold_stmt_r): Defer fold overflow warnings until we know we
1793         optimized.
1794         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1795         (fold_stmt_inplace): Likewise.
1796         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1797         (cleanup_control_expr_graph): Defer fold overflow warnings until
1798         we know we are going to optimize.
1799         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1800         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1801         Likewise.
1802         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1803         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1804         * tree-ssa-loop-manip.c (create_iv): Likewise.
1805         * c-typeck.c (build_conditional_expr): Likewise.
1806         (build_binary_op): Likewise.
1807         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1808         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1809         (extract_range_from_unary_expr): Likewise.
1810         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1811         assuming that signed overflow does not occur.
1812         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1813         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1814         (fold_defer_overflow_warnings): Declare.
1815         (fold_undefer_overflow_warnings): Declare.
1816         (fold_undefer_and_ignore_overflow_warnings): Declare.
1817         (fold_deferring_overflow_warnings_p): Declare.
1818         (tree_expr_nonzero_warnv_p): Declare.
1819         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1820         of warning options.
1821         (Warning Options): Document -Wstrict-overflow.
1822         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1823         (tree-ssa-ccp.o): Likewise.
1824         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1825         (fold-const.o): Depend on intl.h.
1827 2007-02-13  Ian Lance Taylor  <iant@google.com>
1829         PR middle-end/30751
1830         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1831         addresses.
1833 2007-02-13  Stuart Hastings  <stuart@apple.com>
1835         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1837 2007-02-13  Richard Henderson  <rth@redhat.com>
1839         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1840         handled_component_p before looking for the indirect_ref.
1842 2007-02-13  Richard Henderson  <rth@redhat.com>
1844         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1845         remove flags clobber.
1846         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1847         (bswaphi_lowpart): New.
1848         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1849         remove TARGET_BSWAP test.  Delete expander of the same name.
1851         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1852         (expand_unop): Use them.
1854 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1856         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1857         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1858         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1859         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1860         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1861         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1862         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1863         assembler dialect choice from asm templates.
1865 2007-02-12  Richard Henderson  <rth@redhat.com>
1867         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1868         (fixuns_trunc<SSEMODEF>si2): Use it.
1869         * config/i386/sse.md (vec_setv4sf_0): Export.
1870         * config/i386/i386.c (ix86_build_const_vector): Export.
1871         (ix86_split_convert_uns_si_sse): Rename from
1872         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1873         * config/i386/i386-protos.h: Update.
1875 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1877         PR c/29521
1878         * c-typeck.c (c_finish_return): Improve warning message.
1880 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1882         * alias.c (find_symbolic_term): Delete unused function.
1884 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1886         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1887         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1888         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1890 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1892         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1893         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1894         the function, temporarily point the debug interface to the null one.
1896 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1898         * dwarf2out.c (round_up_to_align): New static function.
1899         (field_byte_offset): Use it to round the offset.
1901 2007-02-12  Richard Henderson  <rth@redhat.com>
1903         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1904         (inswl_const): Export.
1906 2007-02-12  Richard Henderson  <rth@redhat.com>
1908         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1909         result mode of the libcall, convert back to outmode.
1911 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1913         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1914         (bswapdi2): New define_expand to implement 32-bit implementation.
1916 2007-02-12  Nick Clifton  <nickc@redhat.com>
1918         * doc/invoke.texi (Overall Options): Document --help=.
1919         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1920         (cc1_options): Pass --help= on to cc1.
1921         (display_help): Add description of --help=.
1922         (process_command): Add code to handle --help=.  Allow translated
1923         --help and --target-help switches to be passed on to compiler
1924         sub-process.
1925         (main): Remove unused if statement.
1926         * opts.c (columns): Remove.
1927         (LEFT_COLUMN): Define.
1928         (wrap_help): Add columns argument.
1929         (print_filtered_help): Change parameters to be an include bitmask,
1930         an exclude bitmask, an any bitmask and the column width.  Move the
1931         code to display the params list here.  Add code to display the
1932         status of options rather than their descriptions if the quiet flag
1933         is not active.
1934         (print_specific_help): Change parameters to be an include bitmask,
1935         an exclude bitmask and an any bitmask.  Move code to look up the
1936         column width here.  Decide upon the title for an options listing.
1937         (common_handle_options): Add code to handle --help=.  Adapt code
1938         for --help and --target-help to use the revised form of the
1939         print_specific_help function.
1940         (print_help): Delete.
1941         (print_param_help): Delete.
1942         (print_switch): Delete.
1943         * opts.h (cl_lang_count): Add prototype.
1944         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1945         CL_MAX_OPTION_CLASS): New defines.
1946         * optc-gen.awk: Add construction of cl_lang_count.
1947         * c.opt: Add Warning attribute to warning options and Optimization
1948         attribute to optimization options.
1949         * common.opt: Likewise.
1950         Add --help=.
1951         Add -fhelp and -ftarget-help as aliases for the transformed --help
1952         and --target-help options.
1953         * opt-functions.awk: Add code to handle Warning and Optimization
1954         attributes.
1956 2007-02-12  Richard Henderson  <rth@redhat.com>
1958         * config/alpha/constraints.md: New file.
1959         * config/alpha/alpha.c: Include tm-constrs.h.
1960         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1961         alpha_extra_constraint): Remove.
1962         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1963         * config/alpha/alpha-protos.h: Update.
1964         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1965         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1966         (EXTRA_CONSTRAINT): Remove.
1967         * config/alpha/alpha.md: Include constraints.md.
1968         (adddi splitter): Use satisfies_constraint_*.
1969         * config/alpha/predicates.md (add_operand): Likewise.
1970         (sext_add_operand, addition_operation): Likewise.
1972 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1974         PR tree-optimization/29145
1975         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1976         in our handling of restrict qualified pointers.
1978 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1980         PR middle-end/7651
1981         * doc/invoke.texi (Wunused-value): Update description.
1982         (Wextra): Delete item.
1983         * opts.c (set_Wextra): Don't use the value of Wextra to set the
1984         value of Wunused-value.
1985         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1986         (c_finish_stmt_expr): Don't check extra_warnings.
1987         (emit_side_effect_warnings): The caller is responsible to check
1988         warn_unused_value.
1990 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1991             Matt Thomas  <matt@3am-software.com>
1993         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1995 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1997         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1998         comparisons of POPCOUNT against zero.
1999         (simplify_const_relational_operation): Likewise.
2001 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2003         * doc/invoke.texi (Wextra): Delete outdated paragraph.
2005 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2007         * dwarf2out.c (root_type): Delete unused function.
2009 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2011         * genattrtab.c (contained_in_p): Delete unused function.
2012         (write_expr_attr_cache): Likewise.
2014 2007-02-11  Jan Hubicka  <jh@suse.cz>
2016         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
2017         previous patch.
2019 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
2021         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
2022         to add the REG_EQ* note.
2023         * see.c (see_merge_one_use_extension): Likewise.
2024         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
2025         turn REG_EQUAL notes into REG_EQUIV notes if the target
2026         register may have more than one set.
2027         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
2028         * gcse.c (try_replace_reg): Likewise.
2029         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
2030         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
2031         more than one REG_EQUIV note.
2032         * reload1.c (gen_reload): Use set_unique_reg_note.
2034 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
2036         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
2037         (ix86_builtin_conversion): New function.
2039 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
2041         PR target/29487
2042         * tree.h (DECL_REPLACEABLE_P): New macro.
2043         * except.c (set_nothrow_function_flags): Likewise.
2045 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
2046             Ira Rosen  <irar@il.ibm.com>
2047             Dorit Nuzman  <dorit@il.ibm.com>
2049         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
2050         * targhooks.c (default_builtin_vectorized_conversion): New.
2051         * targhooks.h (default_builtin_vectorized_function): New declaration.
2052         * target.h (struct vectorize): Add builtin_conversion field.
2053         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
2054         stmt_vec_info_type value.
2055         (vectorizable_conversion): New declaration.
2056         * tree-vect-analyze.c (vect_analyze_operations): Add
2057         vectorizable_conversion call.
2058         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
2059         * tree-vect-transform.c (vectorizable_conversion): New function.
2060         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
2061         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2062         mode.
2063         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
2064         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
2065         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
2066         or ALTIVEC_BUILTIN_VCFSX.
2068 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2070         PR target/30634
2071         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
2072         CONST_DOUBLE and operand 0 is a hard register.
2073         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
2074         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
2075         is a hard floating-point register.
2077 2007-02-10  Richard Henderson  <rth@redhat.com>
2078             Jakub Jelinek  <jakub@redhat.com>
2079             Alexandre Oliva  <aoliva@redhat.com>
2081         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
2082         * builtin-types.def (BT_WORD): Make unsigned.
2083         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2084         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2085         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2086         * c-decl.c (grokdeclarator): Don't error if !have_tls.
2087         * c-parser.c (c_parser_omp_threadprivate): Likewise.
2088         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2089         emulated tls.
2090         * expr.c (emutls_var_address): New.
2091         (expand_expr_real_1): Expand emulated tls.
2092         (expand_expr_addr_expr_1): Likewise.
2093         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2094         * output.h (emutls_finish): Declare.
2095         * toplev.c (compile_file): Call it.
2096         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2097         address before wrapping in CONST.
2098         * varasm.c (emutls_htab, emutls_object_type): New.
2099         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2100         (get_emutls_object_name, get_emutls_object_type): New.
2101         (get_emutls_init_templ_addr, emutls_decl): New.
2102         (emutls_common_1, emutls_finish): New.
2103         (assemble_variable): When emulating tls, swap decls; generate
2104         constructor for the emutls objects.
2105         (do_assemble_alias): When emulating tls, swap decl and target name.
2106         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2107         for emulated tls.
2108         * varpool.c (decide_is_variable_needed): Look at force_output.
2109         Recurse for emulated tls.
2110         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
2111         with decide_is_variable_needed.
2112         * emutls.c: New file.
2113         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2114         tls_object for real tls.
2116 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2118         PR rtl-optimization/29599
2119         * reload1.c (eliminate_regs_in_insn): Take the destination
2120         mode into account when computing the offset.
2122 2007-02-09  Stuart Hastings  <stuart@apple.com>
2123             Richard Henderson  <rth@redhat.com>
2125         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2126         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2127         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
2128         fixuns_truncdfhi2): New.
2129         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
2130         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
2131         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
2132         (floatunssidf2): Allow nonimmediate source.
2133         * gcc/config/i386/sse.md (movdi_to_sse): New.
2134         (vec_concatv2di): Drop '*'.
2135         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
2136         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2137         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
2138         New.
2139         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
2140         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2141         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
2142         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
2143         (ix86_build_signbit_mask): Fix decl of v, refactor to call
2144         ix86_build_const_vector.
2145         (x86_emit_floatuns): Rewrite.
2147 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2149         * genautomata.c (longest_path_length): Delete unused function.
2150         (struct state): Delete unused longest_path_length.
2151         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
2152         (get_free_state): Delete unused.
2154 2007-02-09  Jan Hubicka  <jh@suse.cz>
2156         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
2157         * doc/invoke.texi (inline-unit-growth): Update default value.
2159         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
2160         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
2161         (rebuild_cgraph_edges): Likewise.
2162         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
2163         (dump_cgraph_node): Dump frequencies.
2164         (cgraph_clone_edge): Add frequency scales.
2165         (cgraph_clone_node): Add freuqnecy.
2166         * cgraph.h (cgraph_edge): Add freuqnecy argument.
2167         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
2168         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
2169         * tree-pass.h (TODO_rebuild_frequencies): New constant.
2170         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
2171         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
2172         (save_inline_function_body): Likewise.
2173         * ipa-inline.c: inluce rtl.h
2174         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
2175         (cgraph_edge_badness): Use frequencies.
2176         (cgraph_decide_recursive_inlining): Update clonning.
2177         (cgraph_decide_inlining_of_small_function): Dump frequency.
2178         * predict.c (estimate_bb_frequencies): Export.
2179         * predict.h (estimate_bb_frequencies): Declare.
2180         * tree-inline.c (copy_bb): Watch overflows.
2181         (expand_call_inline): Update call of cgraph_create_edge.
2182         (optimize_inline_calls): Use TODO flags to update frequnecies.
2183         * passes.h: Include predict.h
2184         (init_optimization_passes): Move profile ahead.
2185         (execute_function_todo): Handle TODO_rebuild_frequencies.
2187 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2189         * config/alpha/alpha.c (emit_insxl): Force the first operand of
2190         the insbl or inswl pattern into a register.
2192 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2194         * config/ia64/ia64.md (bswapdi2): New define_insn.
2196 2007-02-09  Richard Henderson  <rth@redhat.com>
2198         * config/i386/constraints.md (Ym): New constraint.
2199         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
2200         (movdi_1_rex64): Split sse and xmm general register moves from
2201         memory move alternatives.  Use conditional register constraints.
2202         (movsf_1, movdf_integer): Likewise.
2203         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
2204         (movdf_integer_rex64): New.
2205         (pushsf_rex64): Fix output constraints.
2206         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
2207         (sse2_stored): Likewise.
2208         (sse2_storeq_rex64): New.
2209         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
2210         amd and not generic.
2211         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
2212         for optimize_size.  Remove SF/DFmode hack.
2214 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2216         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
2217         (bit_SSE4a): New.
2219 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
2220             Richard Sandiford  <richard@codesourcery.com>
2222         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
2223         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
2224         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
2225         m68k/t-mlib to tmake_file.
2226         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
2227         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
2228         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
2229         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
2230         variable is not empty, add t-$m68k_arch_family to tmake_file.
2231         Add t-mlibs to tmake_file.
2232         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
2233         * config/m68k/t-cf: New file.
2234         * config/m68k/t-m68k: Likewise.
2235         * config/m68k/t-mlibs: Likewise.
2236         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2237         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2238         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2239         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2240         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
2241         Delete.
2242         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
2243         (INSTALL_LIBGCC): Delete.
2244         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2245         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2246         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2247         (M68K_MLIB_CPU): Define.
2248         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2249         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2250         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
2252 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2253             Richard Guenther  <rguenther@suse.de>
2255         PR middle-end/23361
2256         * fold-const.c (fold_comparison): Handle obfuscated comparisons
2257         against INT_MIN/INT_MAX.
2258         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
2259         file if a loop is removed.
2261 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
2263         * calls.c (store_one_arg): Pass correct alignment to
2264         emit_push_insn for non-BLKmode values.
2265         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
2266         unaligned stack slot via a suitably aligned slot.
2268 2007-02-08  DJ Delorie  <dj@redhat.com>
2270         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
2271         warnings.
2272         (legal_subregs): Use unsigned char, make const.
2273         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
2275 2007-02-08  Paul Brook  <paul@codesourcery.com>
2277         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
2278         special interworking needed.
2280 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
2282         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
2283         conditional to __SSE2__.
2284         (Entries below should have been added to first ChangeLog
2285         entry for amdfam10 dated 2007-02-05)
2286         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
2287         defined.
2288         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
2289         defined.
2290         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
2291         defined.
2293 2007-02-08  DJ Delorie  <dj@redhat.com>
2295         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
2296         * config/m32c/m32c.c (legal_subregs): New.
2297         (m32c_illegal_subreg_p): New.
2298         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2299         unsupported subregs of hard regs.
2301 2007-02-08  Jan Hubicka  <jh@suse.cz>
2303         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2304         the same one; always update histograms.
2306 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2308         * passes.c (init_optimization_passes): Tidy comment.
2310 2007-02-08  Roger Sayle  <roger@eyesopen.com>
2312         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2313         strip zero_extend, bswap and rotates from POCOUNT's argument.
2314         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2315         zero_extend and rotates from PARITY's argument.
2316         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2317         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2318         of an integer constant at compile-time.
2320 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2322         PR 30562
2323         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2324         Update all users.
2325         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
2326         users.
2327         (init_alias_info):
2328         * tree-ssa-live.c (remove_unused_locals): Do not remove
2329         TREE_ADDRESSABLE variables.
2330         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2331         * tree-ssa-operands.c (add_virtual_operand): Remove argument
2332         FOR_CLOBBER.  Update all users.
2333         If VAR has an associated alias set, add a virtual operand for
2334         it if no alias is found to conflict with the memory reference.
2336 2007-02-07  Jan Hubicka  <jh@suse.cz>
2337             Robert Kidd <rkidd@crhc.uiuc.edu>
2339         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2341 2007-02-07  Ian Lance Taylor  <iant@google.com>
2343         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2345 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2347         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2348         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2349         tablejumpdi, movsi_to_cr_one): Remove constraints from
2350         define_expand's match_operands.
2352 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2354         * global.c (compute_regsets): Move declatation of "i" inside of
2355         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2357 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2359         PR c++/30703
2360         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2361         of INDIRECT_REF <RESULT_DECL>.
2363         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2365 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
2366             Kaz Kojima  <kkojima@gcc.gnu.org>
2368         PR target/29746
2369         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2370         properly.
2371         (sh_initialize_trampoline): Add parentheses to avoid a warning.
2373 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2375         * doc/loop.texi: Document possibility not to perform disambiguation
2376         of loops with multiple latches.
2377         * cfgloopmanip.c (alp_enum_p): Removed.
2378         (add_loop): Handle subloops.  Use get_loop_body_with_size.
2379         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2380         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2381         the new forwarder block.
2382         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2383         Handle the case latch is NULL.
2384         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2385         when marking loop exits.
2386         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
2387         be modified.
2388         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
2389         disambiguate_loops_with_multiple_latches.
2390         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2391         before fix_loop_structure.
2392         * cfgloop.c: Include pointer-set.h and output.h.
2393         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2394         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2395         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2396         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2397         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2398         disambiguate_multiple_latches, get_loop_body_with_size,
2399         disambiguate_loops_with_multiple_latches): New functions.
2400         (flow_loop_dump): Dump multiple latch edges.
2401         (flow_loop_nodes_find): Handle loops with multiple latches.
2402         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2403         (glb_enum_p): Modified.
2404         (get_loop_body): Use get_loop_body_with_size.
2405         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2406         (AVOID_CFG_MODIFICATIONS): New constant.
2407         (disambiguate_loops_with_multiple_latches, add_loop,
2408         get_loop_body_with_size): Declare.
2409         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2411 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
2413         PR inline-asm/28686
2414         * global.c (compute_regsets): New function.
2415         (global_alloc): Refactored ELIMINABLE_REGSET
2416         and NO_GLOBAL_ALLOC_REGS computation out.
2417         (rest_of_handle_global_alloc): Call compute_regsets()
2418         for non-optimizing case.
2420 2007-02-06  Richard Henderson  <rth@redhat.com>
2422         * config/i386/constraints.md (Y2): Rename from Y.
2423         (Yi): New constraint.
2424         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2425         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2426         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2427         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2428         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2429         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2430         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2431         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2432         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2433         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2434         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2435         vec_extractv2si_1): Change Y constraints to Y2.
2436         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2437         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2438         Change Y constraints to Y2.
2439         (sse2_loadld): Change Y constraints to x.
2441 2007-02-06  Roger Sayle  <roger@eyesopen.com>
2443         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2444         (parity<mode>2): New define_expand using rs6000_emit_parity.
2445         * config/rs6000/rs6000.c (rs6000_emit_popcount,
2446         rs6000_emit_parity): New functions.
2447         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2448         rs6000_emit_parity): Prototype here.
2450 2007-02-06  Ian Lance Taylor  <iant@google.com>
2452         * lower-subreg.c (simple_move_operand): Reject CONST.
2453         (resolve_clobber): Call validate_change rather than directly
2454         assigning to XEXP (pat, 0).
2456 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2458         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2459         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2460         (tree-cfg.o): Remove hashtab.h dependency.
2462         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2463         (struct ivopts_data): Change niters to pointer_map_t.
2464         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2465         (niter_for_exit): Create pointer_map on demand.  Change for
2466         pointer_map API.
2467         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2468         (free_loop_data): Destroy data->niters if created and reset field.
2469         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2470         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2472         * tree-ssa-reassoc.c: Include pointer-set.h.
2473         (bb_rank): Change to long *.
2474         (operand_rank): Change to pointer_map_t.
2475         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2476         (insert_operand_rank): Accept long.
2477         (operand_entry_hash, operand_entry_eq): Remove.
2478         (get_rank): Return long.  Adjust for changes above.
2479         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2480         and operand_rank.
2481         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2483         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2484         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2485         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2486         is not NULL.
2487         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2488         directly since it cannot be NULL.
2489         (get_vi_for_tree): Rewrite for pointer_map API.
2490         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2491         (init_alias_vars): Create vi_for_tree as pointer_map.
2492         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2494         * tree-cfg.c: Don't include hashtab.h.
2495         (edge_to_cases): Declare as pointer_map.
2496         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2497         Delete.
2498         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2499         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2500         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2501         destroying it.
2502         (record_switch_edge): Delete.
2503         (get_cases_for_edge): Adjust for pointer_map API, inline
2504         record_switch_edge (rewritten for new API), remove goto.
2506 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2508         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2509         * tree-nested.c: Include pointer-set.h.
2510         (var_map_elt, var_map_eq, var_map_hash): Delete.
2511         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2512         to pointer_map_t's.
2513         (nesting_info_bitmap_obstack): New.
2514         (lookup_field_for_decl): Adjust for pointer_map API.
2515         (lookup_tramp_for_decl): Adjust for pointer_map API.
2516         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2517         (get_local_debug_decl): Adjust for pointer_map API.
2518         (convert_nl_goto_reference): Adjust for pointer_map API.
2519         (convert_nl_goto_receiver): Adjust for pointer_map API.
2520         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2521         the new obstack.  Create field_map and var_map as pointer_maps.
2522         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2523         (root): Delete.
2524         (lower_nested_functions): Move root here, no need to NULL it.
2525         Initialize and release the obstack.
2527 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2529         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2530         Remove prototypes and make them non-static.
2531         (struct tree_int_map): Remove.
2532         * tree.h (struct tree_int_map): Move here, turning TO into an
2533         unsigned int.
2534         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2536         * tree.h (TREE_COMPLEXITY): Remove.
2537         (struct tree_exp): Remove complexity field.
2538         * tree.c (build1_stat): Don't set it.
2540 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2541             Victor Kaplansky  <victork@il.ibm.com>
2543         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2544         (vect_is_simple_reduction): Support reduction with induction as
2545         one of the operands.
2546         (vect_is_simple_iv_evolution): Fix formatting.
2547         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2548         formatting.  Don't mark induction phis for vectorization.
2549         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2550         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2551         (vect_get_vec_def_for_operand): Support induction.
2552         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2553         induction case.
2554         (vectorizable_reduction): Support reduction with induction as one of
2555         the operands.
2556         (vectorizable_type_demotion): Use def-type of stmt argument rather
2557         than dummy def-type.
2559         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2560         flag_tree_scev_cprop.
2561         * common.opt (tree-scev-cprop): New flag.
2563         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2564         call to vect_get_new_vect_var.
2566 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2568         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2569         vectype is not NULL.
2570         (vect_pattern_recog_1): Likewise.
2572 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2574         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2575         (fold_negate_expr): Likewise.
2577 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2579         PR debug/30189
2580         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2581         even if cv-qualification is the same.
2583 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2585         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2586         __enable_execute_stack on completion.
2588 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2590         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2591         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2592         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2593         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2594         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2595         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2596         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2597         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2599 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2601         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2602         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2603         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2604         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2605         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2606         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2607         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2608         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2609         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2610         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2611         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2612         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2613         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2614         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2615         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2616         sqrtextenddfxf2_i387): Added amdfam10_decode.
2618         * config/i386/athlon.md (athlon_idirect_amdfam10,
2619         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2620         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2621         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2622         athlon_ivector_store_amdfam10): New define_insn_reservation.
2623         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2624         amdfam10.
2626 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2628         * config/i386/athlon.md (athlon_call_amdfam10,
2629         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2630         define_insn_reservation.
2631         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2632         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2633         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2635 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2637         * config/i386/athlon.md (athlon_sseld_amdfam10,
2638         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2639         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2641 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2643         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2644         define_insn_reservation.
2645         * config/i386/i386.md (sseins): Added sseins to define_attr type
2646         and define_attr unit.
2647         * config/i386/sse.md: Set type attribute to sseins for insertq
2648         and insertqi.
2650 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2652         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2653         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2654         ssecomi_load_amdfam10, ssecomi_amdfam10,
2655         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2656         define_insn_reservation.
2657         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2659 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2661         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2662         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2663         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2664         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2665         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2666         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2667         define_insn_reservation.
2669         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2670         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2671         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2672         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2673         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2675 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2677         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2678         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2679         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2680         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2681         athlon_ssemul_load_k8): Added amdfam10.
2683 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2685         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2686         (x86_sse_unaligned_move_optimal): New variable.
2688         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2689         m_AMDFAM10.
2690         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2691         for unaligned vector SSE double/single precision loads for AMDFAM10.
2693 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2695         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2696         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2697         Define TARGET_CPU_DEFAULT_amdfam10.
2698         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2699         (processor_type): Add PROCESSOR_AMDFAM10.
2701         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2702         processor_type in config/i386/i386.h.
2703         Enable imul peepholes for TARGET_AMDFAM10.
2705         * config.gcc: Add support for --with-cpu option for amdfam10.
2707         * config/i386/i386.c (amdfam10_cost): New variable.
2708         (m_AMDFAM10): New macro.
2709         (m_ATHLON_K8_AMDFAM10): New macro.
2710         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2711         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2712         x86_promote_QImode, x86_integer_DFmode_moves,
2713         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2714         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2715         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2716         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2717         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2718         Enable/disable for amdfam10.
2719         (override_options): Add amdfam10_cost to processor_target_table.
2720         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2721         processor_alias_table.
2722         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2723         (ix86_adjust_cost): Add code for amdfam10.
2725 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2727         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2728         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2729         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2730         * config/i386/i386.h: Add builtin definition for SSE4A.
2731         * config/i386/i386.md: Add support for ABM instructions
2732         (popcnt and lzcnt).
2733         * config/i386/sse.md: Add support for SSE4A instructions
2734         (movntss, movntsd, extrq, insertq).
2735         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2736         Add -march=amdfam10 flag.
2737         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2738         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2739         and amdfam10.
2740         * doc/extend.texi: Add documentation for SSE4A builtins.
2742 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2744         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2746 2007-02-05  Richard Guenther  <rguenther@suse.de>
2748         * tree-vectorizer.h (vectorizable_function): Add argument type
2749         argument, change return type.
2750         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2751         * tree-vect-transform.c (vectorizable_function): Handle extra
2752         argument, return vectorized function decl.
2753         (build_vectorized_function_call): Remove.
2754         (vectorizable_call): Handle calls with result and argument types
2755         differing.  Handle loop vectorization factor correctly.
2756         * targhooks.c (default_builtin_vectorized_function): Adjust for
2757         extra argument.
2758         * targhooks.h (default_builtin_vectorized_function): Likewise.
2759         * target.h (builtin_vectorized_function): Add argument type
2760         argument.
2761         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2762         extra argument, allow vectorizing of lrintf.
2763         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2764         documentation of target hook.
2766 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2768         PR target/30665
2769         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2770         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2771         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2773 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2775         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2776         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2777         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2778         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2779         before canonicalizing sincos to cexpi.
2780         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2782 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2784         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2785         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2786         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2788 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2790         * mips-tfile.c (initialize_init_file): Correct endianness test.
2792 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2794         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2795         the 'y' constraint.
2797 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2799         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2800         saves in a PARALLEL before the register assignments.
2802 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2804         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2805         DWARF_FRAME_RETURN_COLUMN to be a general register.
2806         * dwarf2out.c (init_return_column_size): New function, split from...
2807         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2808         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2809         to be nongeneral registers.
2810         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2811         integer registers.
2812         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2813         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2815 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2817         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2819 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2821         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2822         (remove_path): Use can_remove_branch_p and remove_branch instead
2823         of loop_delete_branch_edge.
2824         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2825         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2826         Update profile using scale_dominated_blocks_in_loop.
2827         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2828         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2829         (can_remove_branch_p, remove_branch): Declare.
2830         * tree-cfg.c (tree_can_remove_branch_p): New function.
2831         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2832         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2833         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2835 2007-02-05  Jan Hubicka  <jh@suse.cz>
2837         PR middle-end/30696
2838         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2839         nodes in cgraph, don't remove offline copy of the function.
2841 2007-02-04  Jan Hubicka  <jh@suse.cz>
2843         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2844         vectors might cause maybe_lookup_element_for_expr to be called
2845         on non-sra-candidate.
2847 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2849         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2850         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2851         spelling conventions.
2853 2007-02-04  Richard Guenther  <rguenther@suse.de>
2855         PR middle-end/30636
2856         * fold-const.c (try_move_mult_to_index): Make sure to not
2857         overflow one dimension of a multi-dimensional array access.
2859 2007-02-04  Jan Hubicka  <jh@suse.cz>
2861         * passes.c (init_optimization_passes): Reindent.
2863 2007-02-04  Jan Hubicka  <jh@suse.cz>
2864             Eric Botcazou  <ebotcazou@adacore.com>
2866         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2867         (execute_fixup_cfg): Break out the abnormal goto code.
2868         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2869         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2870         (optimize_inline_calls): Call make_nonlocal_label_edges.
2872 2007-02-04  Jan Hubicka  <jh@suse.cz>
2874         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2875         true when something was changed.
2876         (rename_ssa_copies): When something was changed, do
2877         TODO_remove_unused_locals.
2878         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2879         add TODO_remove_unused_locals when instruction was removed.
2881 2007-02-04  Jan Hubicka  <jh@suse.cz>
2883         * ipa-inline.c (try_inline): Improve debug output; work on already
2884         inline edges too.
2885         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2886         call try_inline for already inlined edges too when flattening;
2887         inline also functions that make callee growth but overall unit size
2888         reduce.
2890 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2892         * config/m32c/bitops.md, config/m32c/jump.md,
2893         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2894         config/m32r/m32r.h, config/m32r/m32r.md,
2895         config/m32r/predicates.md, config/m68hc11/larith.asm,
2896         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2897         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2898         config/mips/mips-protos.h, config/mips/mips.c,
2899         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2900         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2901         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2902         spelling conventions.
2904         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2905         Follow spelling conventions.
2907 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2909         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2910         warn about C++0x compatibility.
2912 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2914         * config/h8300/h8300.c, config/h8300/h8300.h,
2915         config/h8300/h8300.md: Follow spelling conventions.
2917 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2919         PR middle-end/30667
2920         * combine.c (try_combine): Do not substitute source operand
2921         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2923 2007-02-03  Jan Hubicka  <jh@suse.cz>
2925         PR gcov-profile/30650
2926         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2927         do not divide by zero for never executed counters.
2928         (tree_find_values_to_profile): Fix counters.
2929         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2931 2007-02-03  Ian Lance Taylor  <iant@google.com>
2933         * lower-subreg.c (simple_move_operand): New static function,
2934         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2935         operands.
2936         (simple_move): Call simple_move_operand.
2937         (find_decomposable_subregs): Add special handling of MEMs.
2938         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2939         meaning of return value.  If we see a hard register, test whether
2940         it can store a word_mode value.  Change all callers.
2942 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2944         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2945         ftrapv insns and expanders.
2946         (subdi3): Change define_expand operand 1 to arith11_operand, and
2947         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2948         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2949         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2950         respectively.
2952         PR middle-end/30174
2953         * varasm.c (notice_global_symbol): Treat global objects as weak when
2954         flag_shlib is true.
2956 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2958         * emit-rtl.c (dconstpi): Delete.
2959         (dconstsqrt2): New.
2960         (init_emit_once): Delete dconstpi and init dconstsqrt2.
2961         * real.h (dconstpi): Delete.
2962         (dconstsqrt2): New.
2963         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2964         (fold_builtin_hypot): Likewise.
2966 2007-02-03  Tom Tromey  <tromey@redhat.com>
2968         PR driver/30246
2969         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2970         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2972 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2974         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2975         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2976         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2977         config/rs6000/cell.md, config/rs6000/darwin.h,
2978         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2979         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2980         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2981         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2982         typos.  Follow spelling conventions.
2983         * doc/invoke.texi: Follow spelling conventions.
2985 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2987         * simplify-rtx.c (simplify_relational_operation_1): Implement some
2988         canonicalization transformations that attempt to simplify integer
2989         constant comparisons to become comparisons against zero.
2991 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2993         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2994         fabs(x)*sqrt(2).
2995         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
2996         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
2998 2007-02-02  Mike Stump  <mrs@apple.com>
3000         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
3001         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
3002         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
3003         generate a branch island.
3005 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
3007         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
3008         (xtensa_legitimate_address_p): New.
3009         (xtensa_legitimize_address): New.
3010         (xtensa_output_addr_const_extra): New.
3011         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
3012         (BASE_REG_P): New.
3013         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
3014         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
3015         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
3016         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
3017         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
3018         (xtensa_legitimize_address): New.
3019         (xtensa_output_addr_const_extra): New.
3021 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
3023         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
3025 2007-02-02  Ian Lance Taylor  <iant@google.com>
3027         * expmed.c (expand_divmod): Add comment.
3029 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
3031         * emit-rtl.c (renumber_insns): Remove.
3032         * flags.h: Remove the extern for flag_renumber_insns.
3033         * rtl.h: Remove the prototype for renumber_insns.
3034         * toplev.c (flag_renumber_insns): Remove.
3036 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
3038         Revert for x86 darwin:
3039         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
3041         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
3042         code before the following patch under TARGET_MACHO.
3043         (ix86_function_value_regno_p): Likewise.
3045 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3047         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
3048         COMPLEX_EXPR.
3050 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3052         PR target/29682
3053         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
3054         general or fp registers.  Add comments.
3055         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
3057 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
3059         * pointer-set.c (insert_aux): Only return insertion slot.
3060         (pointer_set_insert): Adjust.
3061         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
3062         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
3063         pointer_map_traverse): New.
3064         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
3065         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
3066         pointer_map_contains, pointer_map_traverse): Declare.
3068 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
3070         PR middle-end/30473
3071         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
3072         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
3074 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3076         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
3078         (struct _dep): New type.
3079         (dep_t): New typedef.
3080         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
3081         (DEP_STATUS): New access macro.  The macro with the same name was
3082         renamed to DEP_LINK_STATUS.
3083         (dep_init): Declare function
3085         (struct _dep_link): New type.
3086         (dep_link_t): New typedef.
3087         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
3088         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
3089         (DEP_LINK_STATUS): New macro.
3090         (debug_dep_links): New debug function.
3092         (struct _deps_list): New type.
3093         (deps_list_t): New typedef.
3094         (DEPS_LIST_FIRST): New access macro.
3095         (FOR_EACH_DEP_LINK): New cycle macro.
3096         (create_deps_list, free_deps_list, delete_deps_list): Declare
3097         functions.
3098         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
3099         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
3100         (copy_deps_list_change_con): Ditto.
3102         (move_dep_link): Declare function.
3104         (struct _dep_node): New type.
3105         (dep_node_t): New typedef.
3106         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
3108         (struct haifa_insn_data.back_deps): New field to hold backward
3109         dependencies of the insn.
3110         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
3111         to deps_list_t.
3112         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
3113         Change its type to deps_list_t.
3114         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
3115         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
3116         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
3118         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
3120         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
3122         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
3123         all callers.
3124         (dep_cost): Declare.
3126         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
3127         (ds_to_dk, dk_to_ds): New functions.
3129         (init_dep_1): New static function.
3130         (init_dep): New function.
3131         (copy_dep): New static function.
3133         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
3134         functions.
3135         (detach_dep_link): New static function.
3136         (move_dep_link): New function.
3138         (dep_links_consistent_p, dump_dep_links): New static functions.
3139         (debug_dep_links): New debugging function.
3141         (deps_obstack, dl_obstack, dn_obstack): New static variables.
3143         (alloc_deps_list, init_deps_list): New static functions.
3144         (create_deps_list): New function.
3145         (clear_deps_list): New static function.
3146         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
3147         (deps_list_consistent_p, dump_deps_list): New static functions.
3148         (debug_deps_list): New function.
3149         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
3150         functions.
3151         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
3153         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
3154         use new scheduler dependencies lists.
3155         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
3156         (sched_analyze): Ditto.  Initialize dependencies lists.
3157         (add_forw_dep, compute_forward_dependences): Update to use new
3158         scheduler dependencies lists.
3160         (init_dependency_caches): Init deps_obstack.
3161         (free_dependency_caches): Free deps_obstack.
3163         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
3164         new scheduler dependencies lists.
3165         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
3166         (add_back_forw_dep, delete_back_forw_dep): Ditto.
3168         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
3169         Update to use new scheduler dependencies lists.
3170         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
3171         (debug_dependencies): Ditto.
3172         (schedule_region): Update comments.
3174         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
3175         scheduler dependencies lists.
3176         (schedule_ebb): Update comments.
3178         * rtl.def (DEPS_LIST): Remove.
3180         * lists.c (unused_deps_list): Remove.
3181         (free_list): Update assertions.
3183         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
3184         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3186         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
3187         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3189         * haifa-sched.c (comments): Update.
3190         (insn_cost1): Remove.  Inline the code into insn_cost ().
3191         (insn_cost): Update to use new scheduler dependencies lists.  Move
3192         processing of the dependency cost to dep_cost ().
3193         (dep_cost): New function.  Use it instead of insn_cost () when
3194         evaluating cost of the dependency.  Use compatible interface to
3195         interact with the target.
3196         (priority): Update to use new scheduler dependencies lists.
3197         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
3198         with greater number of insns that depend on the insn.
3199         (schedule_insn): Update to use new scheduler dependencies lists.  Add
3200         code to free backward dependencies lists.  Inline and optimize code
3201         from resolve_dep () - see PR28071.
3202         (ok_for_early_queue_removal): Update to use new scheduler dependencies
3203         lists.  Update call to targetm.sched.is_costly_dependence hook.
3205         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
3206         scheduler dependencies lists.
3208         (resolve_dep): Remove.  Move the logic to schedule_insn ().
3209         (init_h_i_d): Initialize dependencies lists.
3211         (process_insn_depend_be_in_spec): Rename to
3212         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
3213         dependencies lists.
3214         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
3215         Update to use new scheduler dependencies lists.
3216         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
3218         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
3219         new scheduler dependencies lists.
3220         (build_intra_loop_deps): Ditto.
3222         * target.h (struct _dep): Declare to use in
3223         gcc_target.sched.is_costly_dependence.
3224         (struct gcc_target.sched.adjust_cost): Fix typo.
3225         (struct gcc_target.sched.is_costly_dependence): Change signature to use
3226         single dep_t parameter instead of an equivalent triad.
3227         (struct gcc_target.sched.adjust_cost_2): Remove.
3229         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
3231         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
3233         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
3234         documentation.
3235         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
3237         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
3238         (REG_DEP_TRUE): Document.
3240         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
3241         Change signature to correspond to the targetm.sched.adjust_cost hook.
3242         Update use in TARGET_SCHED_ADJUST_COST_2.
3243         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
3244         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
3245         new scheduler dependencies lists.
3246         (ia64_gen_check): Ditto.
3248         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
3249         dependencies lists.
3251         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
3252         signature to correspond to the targetm.sched.is_costly_dependence hook.
3253         (is_costly_group): Update to use new scheduler dependencies lists.
3255         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
3256         instead of INSN_COST () macro.
3258 2007-02-01  Ian Lance Taylor  <iant@google.com>
3260         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
3262 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
3264         * pa.md (tp_load): Correct mfctl instruction syntax.
3266 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
3268         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
3269         altivec_padding_size calculation on AIX.  Improve comment, add
3270         assert to verify that it's right.
3272         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
3273         64-bit.
3275 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
3277         PR inline-asm/28686
3278         * global.c (global_alloc): Add mising initialization of
3279         ELIMINABLE_REGSET.
3281 2007-02-01  Roger Sayle  <roger@eyesopen.com>
3283         * alias.c (init_alias_analysis): Correct whitespace.
3284         * bb-reorder.c (fix_edges_for_rarely_executed_code,
3285         partition_hot_cold_basic_blocks): Likewise.
3286         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3287         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
3288         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3289         fold_builtin_snprintf_chk, fold_builtin_printf,
3290         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
3291         do_mpfr_arg3, do_mpfr_sincos): Likewise.
3292         * cfgcleanup.c (cleanup_cfg): Likewise.
3293         * cfgexpand.c (tree_expand_cfg): Likewise.
3294         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
3295         * function.c (get_next_funcdef_no): Likewise.
3296         * gengtype.c (main): Likewise.
3297         * genmodes.c (main): Likewise.
3298         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3299         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3300         * ifcvt.c (noce_emit_move_insn): Likewise.
3301         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
3302         Likewise.
3303         * stor-layout.c (get_best_mode): Likewise.
3304         * tree-ssa-loop-niter.c (get_val_for): Likewise.
3305         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3306         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3307         perform_var_substitution, solve_graph): Likewise.
3308         * tree-vrp.c (vrp_finalize): Likewise.
3310 2007-02-01  Ian Lance Taylor  <iant@google.com>
3312         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3313         high part of a paradoxical subreg, return a constant zero.
3315 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
3317         * toplev.c (lang_dependent_init): Call init_set_costs.
3318         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3320 2007-02-01  Richard Guenther  <rguenther@suse.de>
3322         PR middle-end/30656
3323         * fold-const.c (fold_negate_expr): Allow negating a
3324         constant if overflow does not change.
3326 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3328         * doc/c-tree.texi (Expression trees): Improve markup.
3329         * doc/tm.texi (Register Classes, Addressing Modes)
3330         (Floating Point): Fix spacing after abbreviations.  Fix some
3331         typos.
3333 2007-02-01  Ben Elliston  <bje@au.ibm.com>
3335         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3336         * doc/contrib.texi: Likewise.
3337         * doc/install.texi: Likewise.
3339 2007-01-31  Richard Henderson  <rth@redhat.com>
3340             Ian Lance Taylor  <iant@google.com>
3342         * lower-subreg.c: New file.
3343         * rtl.def (CONCATN): Define.
3344         * passes.c (init_optimization_passes): Add pass_lower_subreg and
3345         pass_lower_subreg2.
3346         * emit-rtl.c (update_reg_offset): New static function, broken out
3347         of gen_rtx_REG_offset.
3348         (gen_rtx_REG_offset): Call update_reg_offset.
3349         (gen_reg_rtx_offset): New function.
3350         * regclass.c: Revert patch of 2006-03-05, restoring
3351         reg_scan_update.
3352         (clear_reg_info_regno): New function.
3353         * dwarf2out.c (concatn_loc_descriptor): New static function.
3354         (loc_descriptor): Handle CONCATN.
3355         * common.opt (fsplit_wide_types): New option.
3356         * opts.c (decode_options): Set flag_split_wide_types when
3357         optimizing.
3358         * timevar.def (TV_LOWER_SUBREG): Define.
3359         * rtl.h (gen_reg_rtx_offset): Declare.
3360         (reg_scan_update): Declare.
3361         * regs.h (clear_reg_info_regno): Declare.
3362         * tree-pass.h (pass_lower_subreg): Declare.
3363         (pass_lower_subreg2): Declare.
3364         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3365         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
3366         -fsplit-wide-types.
3367         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3368         * Makefile.in (OBJS-common): Add lower-subreg.o.
3369         (lower-subreg.o): New target.
3371 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3373         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3375 2007-01-31  Anatoly Sokolov <aesok@post.ru>
3377         PR target/19087
3378         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3380 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3382         PR middle-end/29335
3383         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3385 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
3387         * cfgloop.h: Include vec-prim.h.
3388         (enum li_flags): Remove LI_ONLY_OLD.
3389         (loop_iterator): Changed.
3390         (fel_next, fel_init): Iterate over loop tree.
3391         (FOR_EACH_LOOP_BREAK): New macro.
3392         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3393         FOR_EACH_LOOP.
3394         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3395         * modulo-sched.c (sms_schedule): Ditto.
3396         * tree-vectorizer.c (vectorize_loops): Ditto.
3397         * doc/loop.texi: Update information on loop numbering and behavior of
3398         FOR_EACH_LOOP wrto new loops.
3399         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3400         add_to_evolution_1): Test nestedness of loops instead of comparing
3401         their numbers.
3402         * tree-chrec.c (chrec_fold_plus_poly_poly,
3403         chrec_fold_multiply_poly_poly, chrec_evaluate,
3404         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3405         reset_evolution_in_loop): Ditto.
3406         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3408 2007-01-31  Dirk Mueller  <dmueller@suse.de>
3410         * c-common.c (warn_about_parentheses): Separate warning about
3411         un-parenthized sequence of comparison operators from the one
3412         which is supposed to warn about x <= y <= z.
3414 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
3416         * optabs.h (enum optab_index): Add new OTI_isinf.
3417         (isinf_optab): Define corresponding macro.
3418         * optabs.c (init_optabs): Initialize isinf_optab.
3419         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3420         patterns.
3421         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3422         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3423         using isinf_optab.
3424         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3425         expand_builtin_interclass_mathfn.
3426         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3427         * config/i386/i386.md (UNSPEC_FXAM): New constant.
3428         (fxam<mode>2_i387): New insn pattern.
3429         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3430         built-in functions as x87 inline asm.
3432 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3434         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3436 2007-01-30  Eric Christopher  <echristo@apple.com>
3438         * config.gcc: Add geode.
3440 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3442         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3443         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3444         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3445         value-prof.c: Fix comment typos.
3447 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3449         PR c++/24745
3450         * doc/invoke.texi (Wpointer-arith): Document warning.
3452 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
3454         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3455         the list of discrepancies from the draft TR.
3457 2007-01-30  Dirk Mueller  <dmueller@suse.de>
3459         PR c++/30601
3460         * doc/invoke.texi (-Wreturn-type): Update description to
3461         match new behavior.
3463 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
3465         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3467 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
3469         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3470         to handle optabs that operate on floating point input argument and
3471         output to integer output.
3472         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3473         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3474         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3475         expand_builtin_interclass_mathfn ().
3476         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3477         (ilogbsi2): Remove.
3478         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3479         ilogbl built-in functions as x87 intrinsics.
3481 2007-01-30  Richard Guenther  <rguenther@suse.de>
3483         PR middle-end/27657
3484         * dwarf2out.c (reference_to_unused): Query varpool if the
3485         variable was output.
3487 2007-01-30  Richard Guenther  <rguenther@suse.de>
3489         PR middle-end/30313
3490         * passes.c (execute_one_pass): Reset in_gimple_form to not
3491         confuse non-unit-at-a-time mode.
3493 2007-01-29  Roger Sayle  <roger@eyesopen.com>
3494             Richard Guenther  <rguenther@suse.de>
3496         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3497         avoid undefined behaviour on overflow.  Use force_fit_type_double
3498         to construct the constant with the specified TREE_OVERFLOW.
3500 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3502         * config/dfp-bit.c: Add parameterized support for fp exceptions.
3503         * config/dfp-bit.h: Ditto.
3505 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3507         * c-decl.c (pop_scope): Replace warnings with call to
3508         warn_for_unused_label.
3509         * c-common.h (warn_for_unused_label): Declare.
3510         * c-common.c (warn_for_unused_label): Define.
3512 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3514         * tree-optimize.c (update_inlined_to_pointers): Delete unused
3515         function.
3517 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3519         * Makefile.in (USER_H): Remove decfloat.h.
3520         * ginclude/decfloat.h: Delete, moving contents to ...
3521         * ginclude/float.h: Add support for decimal floating point,
3522         guarded by __STDC_WANT_DEC_FP__.
3524 2007-01-29  Mike Stump  <mrs@apple.com>
3526         * doc/gccint.texi (Top): Rename Loop Representation to Loop
3527         Analysis and Representation to resolve case insensitive conflict.
3528         * doc/loop.texi (Loop Analysis and Representation): Likewise.
3530 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
3532         * tree.h (struct tree_memory_tag): Add aliases member.
3533         (MTAG_ALIASES): New macro.
3534         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3535         (add_may_alias): Remove pointer-set. Update for may_aliases being
3536         a bitmap.
3537         (mark_aliases_call_clobbered): Update for may_aliases being a
3538         bitmap.
3539         (compute_tag_properties): Ditto.
3540         (create_partition_for): Ditto.
3541         (compute_memory_partitions): Ditto.
3542         (dump_may_aliases_for): Ditto.
3543         (is_aliased_with): Ditto.
3544         (add_may_alias_for_new_tag): Ditto.
3545         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3546         (compute_is_aliased): New function.
3547         (compute_may_aliases): Call compute_is_aliased).
3548         (init_alias_info): Initialize alias_bitmap_obstack.
3549         (union_alias_set_into): New function.
3550         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3551         (have_common_aliases_p): Rewrite to take two bitmaps and use
3552         intersection.
3553         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3554         Update for bitmaps.
3555         (finalize_ref_all_pointers): Update for add_may_alias changes.
3556         (new_type_alias): Ditto.
3557         * tree-flow-inline.h (may_aliases): Return a bitmap.
3558         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3559         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3560         may_aliases being a bitmap.
3561         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3562         may_aliases now returns a bitmap.
3563         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3564         being a bitmap.
3565         * tree-ssa-operands.c (add_virtual_operand): Update for
3566         may_aliases being a bitmap.
3568 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3570         PR tree-optimization/30630
3571         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3572         variable as changed.
3574 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3576         PR c++/28266
3577         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3578         expanded only once even if an error occurs.
3580 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3582         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3583         (__gcov_average_profiler): Likewise.
3584         (__gcov_ior_profiler): Likewise.
3585         (__gcov_merge_ior): Likewise.
3587 2007-01-28  Jan Hubicka  <jh@suse.cz>
3589         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3590         * value-prof.c (stringop_block_profile): Likewise.
3592 2007-01-28  Jan Hubicka  <jh@suse.cz>
3594         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3595         variant handling histograms; add wrapper.
3596         (clear_storage_via_libcall): Export.
3597         (emit_block_move_hints): Break out from ...; add histograms.
3598         (emit_block_move): ... this one.
3599         (clear_storage_hints): Break out from ...; add histograms.
3600         (clear_storage): ... this one.
3601         (set_storage_via_memset): Handle histogram.
3602         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3603         (clear_storage_hints, clear_storage_via_libcall): Declare.
3604         (set_storage_via_setmem): Update prototype.
3605         * doc/md.texi (movmem, setmem): Document new arguments.
3607         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3608         new histograms.
3609         (stringop_block_profile): New global function.
3610         (tree_stringops_values_to_profile): Profile block size and alignment.
3611         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3612         HIST_TYPE_IOR.
3613         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3614         (stringop_block_profile): Declare.
3615         * builtins.c: Include value-prof.h.
3616         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3617         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3618         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3619         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3620         * profile.c (instrument_values): Add new counters.
3621         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3622         calls.
3623         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3624         (tree_init_edge_profiler): Build new profilers.
3625         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3626         (pass_tree_profile): Add dump.
3627         (tree_profile_hooks): Update.
3628         * Makefile.in (LIBGCOV): Add new constants.
3629         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3630         __gcov_ior_profiler): New.
3631         * i386.md (movmem/setmem expanders): Add new optional arguments.
3633 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3635         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3637 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3639         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3640         (tree_unswitch_single_loop): Pass eni_size_weights to
3641         tree_num_loop_insns.
3642         * tree-ssa-loop-manip.c: Include tree-inline.h.
3643         (can_unroll_loop_p): Pass eni_size_weights to
3644         tree_num_loop_insns.
3645         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3646         Pass eni_size_weights to estimate_num_insns.
3647         * tree.h (init_inline_once): Export.
3648         * toplev.c (backend_init): Call init_inline_once.
3649         * cgraphunit.c (cgraph_process_new_functions,
3650         cgraph_analyze_function): Pass eni_inlining_weights to
3651         estimate_num_insns.
3652         * ipa-inline.c (compute_inline_parameters): Ditto.
3653         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3654         to estimate_num_insns.
3655         (try_unroll_loop_completely): Pass eni_size_weights to
3656         tree_num_loop_insns.
3657         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3658         ot estimate_num_insns.
3659         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3660         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3661         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3662         eni_time_weights): New variables.
3663         (init_inline_once): Initialize them.
3664         (struct eni_data): Mew.
3665         (estimate_num_insns_1, estimate_num_insns): Use weights.
3666         * tree-inline.h (struct eni_weights_d): New.
3667         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3668         (estimate_num_insns): Declaration changed.
3669         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3670         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3671         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3673 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3675         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3676         relations in the conflict function is valid.
3678 2007-01-27  Ian Lance Taylor  <iant@google.com>
3680         * common.opt: Add fstrict-overflow.
3681         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3682         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3683         (TYPE_OVERFLOW_UNDEFINED): Define.
3684         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3685         Replace all uses.
3686         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3687         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3688         (fold_negate_expr): Likewise.
3689         (make_range): Likewise.
3690         (extract_muldiv_1): Likewise.
3691         (maybe_canonicalize_comparison): Likewise.
3692         (fold_comparison): Likewise.
3693         (fold_binary): Likewise.
3694         (tree_expr_nonnegative_p): Likewise.
3695         (tree_expr_nonzero_p): Likewise.
3696         * tree-vrp.c (compare_values): Likewise.
3697         (extract_range_from_binary_expr): Likewise.
3698         (extract_range_from_unary_expr): Likewise.
3699         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3700         Likewise.
3701         (nowrap_type_p): Likewise.
3702         * tree-scalar-evolution.c (simple_iv): Likewise.
3703         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3704         (build_range_check): Likewise.
3705         (extract_muldiv_1): Likewise.
3706         (fold_comparison): Likewise.
3707         * tree-vrp.c (vrp_int_const_binop): Likewise.
3708         (extract_range_from_unary_expr): Likewise.
3709         * convert.c (convert_to_integer): Likewise.
3710         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3711         (fold_comparison): Likewise.
3712         (fold_binary): Likewise.
3713         * optabs.c (optab_for_tree_code): Likewise.
3714         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3715         * simplify-rtx.c (simplify_const_relational_operation): Check
3716         flag_strict_overflow and flag_trapv.
3717         (simplify_const_relational_operation): Likewise.
3718         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3719         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
3720         -fstrict-overflow.
3722 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3724         * tree.c (tree_fold_gcd): Delete.
3725         * tree.h (tree_fold_gcd): Remove prototype.
3726         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3727         test whether one constant integer is a multiple of another.  Instead
3728         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3729         * fold-const.c (multiple_of_p):  We've determined both TOP and
3730         BOTTOM are integer constants so we can call int_const_binop directly
3731         instead of the more generic const_binop.
3733 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3735         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3736         1*X check that the constant hasn't overflowed, to preserve the
3737         TREE_OVERFLOW bit.
3738         (round_up): Provide an efficient implementation when rouding-up an
3739         INTEGER_CST to a power-of-two.
3741 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3743         * doc/sourcebuild.texi: Add comma for clarity.
3744         * doc/extend.texi: Fix some typos.
3745         * doc/passes.texi: Likewise.
3746         * doc/cppinternals.texi: Likewise.
3747         * doc/c-tree.texi: Likewise.
3748         * doc/tree-ssa.texi: Likewise.
3749         * doc/install.texi: Likewise.
3751 2007-01-27  Jan Hubicka  <jh@suse.cz>
3753         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3754         (pass_sra): Do not require alias information.
3755         * passes.c (init_optimization_passes): Add SRA
3757 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3759         * tracer.c (rest_of_handle_tracer): We already cleaned
3760         up the CFG in tracer() so don't do it here again.
3761         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3762         cleanup_cfg here, either.  And don't call renumber_insns.
3764         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3765         and BB_HEAD are in the insn stream here.  Instead make sure
3766         that BB_INSN is valid on all insns.  Also, do check here that
3767         there are no pending branch predictions...
3768         (rtl_verify_flow_info): ...instead of doing it here.  Checks
3769         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3770         here.
3772 2007-01-26  Roger Sayle  <roger@eyesopen.com>
3774         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3775         function to simplify/factorize operand order canonicalization.
3776         (ix86_fixup_binary_operands): Reorganize using the above function.
3777         (ix86_binary_operator_ok): Likewise.
3779 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3781         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3782         file scope from optimize_attrs.
3783         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3784         up search.
3785         (optimize_attrs): Clear insn_code_values after freeing it.
3787 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3789         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3790         a parts.base assignment.
3792 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3794         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3795         (compute_subscript_distance, initialize_data_dependence_relation,
3796         finalize_ddr_dependent, analyze_ziv_subscript,
3797         analyze_siv_subscript_cst_affine,
3798         compute_overlap_steps_for_affine_univar,
3799         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3800         analyze_siv_subscript, analyze_miv_subscript,
3801         analyze_overlapping_iterations, subscript_dependence_tester_1,
3802         compute_self_dependence, free_dependence_relation): Work
3803         with affine_fn instead of chrecs.
3804         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3805         common_affine_function, affine_function_base,
3806         affine_function_constant_p, affine_fn_op, affine_fn_plus,
3807         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3808         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3809         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3810         (all_chrecs_equal_p): Removed.
3811         * tree-data-ref.h (affine_fn, conflict_function): New types.
3812         (struct subscript): Change type of conflicting_iterations_in_a
3813         and conflicting_iterations_in_b.
3815 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
3817         PR other/30182
3818         * config/pa/pa.h (TARGET_HPUX_11): New.
3819         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3820         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3822 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
3823         Richard Guenther  <rguenther@suse.de>
3825         * tree-ssa-structalias.c (solve_graph): Handle case
3826         we merged the variable to another.
3828 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3830         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3831         functions.
3833         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3834         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3836 2007-01-25  DJ Delorie  <dj@redhat.com>
3838         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3839         allow changes to modes which don't fit in those registers.
3841         * reload1.c (choose_reload_regs): Check for invalid subregs before
3842         computing their locations, not after.
3844 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
3846         PR 25127
3847         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3848         save Altivec registers in an eh_return function.
3849         (compute_vrsave_mask): Likewise.
3850         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3851         for saving Altivec registers.
3852         (rs6000_emit_prologue): Don't allocate stack twice in
3853         eh_return function.  Correct expected value of altivec_save_offset
3854         when using save_world.  Describe save of R0 to stack when using
3855         save_world.  Describe stack pointer adjustment when using
3856         save_world.  Remove duplicated eh_return parameter register saving.
3857         Update sp_offset variable after save_world.
3858         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3859         darwin-world.asm.
3860         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3861         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3862         implies Altivec.
3864 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3866         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3868 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3870         PR other/30182
3871         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3872         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
3874 2007-01-25  Richard Guenther  <rguenther@suse.de>
3876         * doc/invoke.texi (-Wcoverage-mismatch): Document.
3877         * common.opt (-Wcoverage-mismatch): New warning option.
3878         * coverage.c (get_coverage_counts): Ignore coverage mismatch
3879         if -Wcoverage-mismatch is given.
3881 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
3883         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3884         (ipcp_driver): Change to static definition.
3885         Add dumping of the ifunctions.
3886         (constant_val_insert): Remove unused parameter. Support for SSA.
3887         (ipcp_propagate_const): Support for SSA.
3888         (ipcp_profile_bb_print): Print only analyzed nodes.
3889         (ipcp_replace_map_create): Remove support for Fortran constant
3890         for now.
3891         * ipa-prop.c (ipa_method_modify_stmt,
3892         ipa_callsite_compute_param): Support for SSA.
3893         * ipa-prop.h (ipcp_driver): Remove declaration.
3894         (IS_VALID_TREE_MAP_INDEX): Add define.
3896 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
3898         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3900 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3902         PR middle-end/30447
3903         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3904         constant argument to cabs and do it without checking for
3905         -funsafe-math-optimizations.
3907 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
3909         * c-common.h (RID_FIRST_CXX0X): New.
3910         (RID_LAST_CXX0X): New.
3911         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3912         by -Wall.
3913         * c.opt (Wc++0x-compat): New.
3914         * doc/invoke.texi (-Wc++0x-compat): Document.
3916 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3918         * builtins.c (fold_builtin_carg): New.
3919         (fold_builtin_1): Use it.
3921 2007-01-24  Jan Hubicka  <jh@suse.cz>
3923         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3925         * ipa-inline.c (initial_insns, max_insns): Delete.
3926         (compute_max_insns): New function.
3927         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3928         of insns as base for code growth.
3929         (cgraph_decide_inlining): Make initial_insns local; do not compute
3930         max_insns.
3931         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3932         * doc/invoke.texi (inline-unit-growth): Update docs.
3934 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
3936         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3937         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3938         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3939         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
3940         for CPUs that have PTA_CX16 set.
3942         PR middle-end/27416
3943         * gimplify.c (omp_check_private): New function.
3944         (gimplify_scan_omp_clauses): Use it for
3945         firstprivate/lastprivate/reduction.
3947         PR middle-end/30494
3948         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3949         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3951         PR middle-end/30421
3952         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3953         If lower_lastprivate_clauses emits some statements, append them
3954         to dlist rather than body_p and to body_p append an initializer.
3955         (lower_omp_for): Adjust caller.
3957 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
3959         * target.h (globalize_decl_name): New.
3960         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3961         * output.h (default_globalize_decl_name): New.
3962         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
3963         globalize_label.
3964         (globalize_decl): Ditto.
3965         (default_globalize_decl_name): New.
3966         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
3967         (ia64_handle_version_id_attribute): New.
3968         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3969         (ia64_asm_output_external): Use globalize_decl_name instead
3970         of globalize_label.
3971         * doc/extend.texi (version_id): New pragma.
3972         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
3974 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3976         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
3977         _uleb128_t and _Unwind_SWord with _sleb128_t.
3978         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
3979         uw_frame_state_for, uw_update_context_1): Likewise.
3980         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
3981         * unwind-pe.h (read_uleb128, read_sleb128,
3982         read_encoded_value_with_base): Likewise.
3983         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
3985 2007-01-24  Richard Guenther  <rguenther@suse.de>
3987         * builtins.c (expand_builtin_cexpi): Get the fndecl
3988         for cexp in the correct way.
3990 2007-01-24  Jan Hubicka  <jh@suse.cz>
3992         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
3994 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3996         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
3997         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
3998         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
3999         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
4000         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
4001         __SIZEOF_PTRDIFF_T__.
4002         * doc/cpp.texi: Documentation for the new builtin macros added.
4004 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
4006         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
4007         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
4008         instead of operands[2] to avoid access past the end of array.
4010 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
4012         * reload1.c (emit_reload_insns): Pass the reload register
4013         for a non-spill output reload through forget_old_reloads_1.
4015 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
4017         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4018         _SOFT_DOUBLE if doubles use software floating-point.
4019         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
4020         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
4021         * config/rs6000/darwin-ldouble.c: Also compile functions for
4022         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
4023         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
4024         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
4025         commented-out long double override.
4026         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
4027         * config/rs6000/eabispe.h: Likewise.
4028         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
4029         long double for non-SPE.
4030         (rs6000_handle_option): Likewise.
4031         (invalid_e500_subreg): Disallow more subregs involding DImode,
4032         DFmode, TImode or TFmode.
4033         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
4034         E500 double.
4035         (legitimate_lo_sum_address_p): Also check for TFmode for E500
4036         double.
4037         (rs6000_legitimize_address): Also handle TFmode for E500 double.
4038         (rs6000_legitimize_reload_address): Also handle TFmode for E500
4039         double.
4040         (rs6000_legitimate_address): Also check for TFmode for E500
4041         double.
4042         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
4043         (spe_build_register_parallel): Handle TFmode and TCmode.
4044         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
4045         double.
4046         (function_arg): Handle TFmode and TCmode for E500 double.
4047         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
4048         in general.
4049         (print_operand): Handle TFmode and TImode for %y.
4050         (rs6000_generate_compare): Handle TFmode comparisons for E500
4051         double.
4052         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
4053         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
4054         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
4055         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
4056         TFmode for E500 double.
4057         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
4058         (floatsidf2): Enable for E500 double.
4059         (movtf_softfloat): Use rs6000_nonimmediate_operand.
4060         (extenddftf2): Change to extenddftf2_fprs.
4061         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
4062         depending on TARGET_E500_DOUBLE.
4063         (extendsftf2): Enable for E500 double.
4064         (trunctfdf2): Enable for E500 double.
4065         (trunctfsf2): Change to trunctfsf2_fprs.
4066         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
4067         depending on TARGET_E500_DOUBLE.
4068         (floatsitf2): Enable for E500 double.
4069         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
4070         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
4071         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
4072         (negtf2): Change to negtf2_internal.
4073         (negtf2): New expander.
4074         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
4075         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
4076         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
4077         (movdi_internal32): Use rs6000_nonimmediate_operand.
4078         (unnamed splitter): Likewise.
4079         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
4080         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
4081         (SPE64TF, DITI): New mode macros.
4082         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
4083         modes.
4084         (frob_tf_ti): New.
4085         (frob_<mode>_di_2): New.
4086         (frob_tf_di_8_2): New.
4087         (frob_di_df): Change to frob_di_<mode>; allow more modes.
4088         (frob_ti_tf): New.
4089         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
4090         more modes.
4091         (frob_ti_<mode>_8_2): New.
4092         (frob_ti_tf_2): New.
4093         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
4094         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
4095         TFmode.
4096         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
4097         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
4098         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
4099         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
4100         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
4101         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
4102         tsttflt_gp): New.
4104 2007-01-23  Ian Lance Taylor  <iant@google.com>
4106         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
4107         insn-*.o first.
4108         (OBJS-archive): Reformat, alphabetize.
4109         (OBJS): Change out_object_file to OBJS-md.
4111 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
4113         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
4114         JUMP_P and CALL_P predicates where applicable.
4115         * config/i386/i386.c: Ditto.
4116         * config/i386/i386.md: Ditto.
4117         * config/i386/mmx.md: Ditto.
4118         * config/i386/predicates.md: Ditto.
4120 2007-01-22  Andreas Schwab  <schwab@suse.de>
4122         * config/m68k/m68k.h: Fix comment.
4124 2007-01-22  Jan Hubicka  <jh@suse.cz>
4126         * passes.c (init_optimization_passes): Do not rerun
4127         pass_early_warn_uninitialized.
4129 2007-01-22  Richard Guenther  <rguenther@suse.de>
4131         PR tree-optimization/30038
4132         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
4133         function.
4134         (execute_cse_sincos_1): Likewise.
4135         (execute_cse_sincos): Likewise.
4136         (gate_cse_sincos): Likewise.
4137         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
4138         the cexpi() canonicalization of sincos().
4139         * tree-pass.h (pass_cse_sincos): Declare.
4140         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
4142 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4144         PR rtl-optimization/29329
4145         * combine.c (replaced_rhs_insn): Rename to i2mod.
4146         (replaced_rhs_value): Rename to i2mod_new_rhs.
4147         (i2mod_old_rhs): New global variable.
4148         (combine_instructions): Adjust for above change.  Save a copy of
4149         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
4150         note are substituted in the second instruction.
4151         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
4152         ditch the note if it pertains to the second eliminated register
4153         and this register is mentioned in i2mod_old_rhs.
4155         Revert:
4156         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4158         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4159         the insn to which the note was originally attached.
4161 2007-01-21  Jan Hubicka  <jh@suse.cz>
4163         * ipa-inline.c (inlining_mode): Comment, move up.
4164         (cgraph_decide_inlining_incrementally): Do not perform inlining
4165         itself; fix handling of flattening of self recursive functions.
4166         (cgraph_find_cycles): Remove.
4167         (cgraph_flatten_node): Remove.
4168         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
4169         (try_inline): New function.
4170         (cgraph_early_inlining): Update call of
4171         cgraph_decide_inlining_incrementally.  Apply inlining here.
4172         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
4174 2007-01-21  Dirk Mueller  <dmueller@suse.de>
4176         PR bootstrap/30511
4177         * tree-vrp.c (check_array_bounds): do not warn
4178         about ADDR_EXPR's of ARRAY_REF's which are immediately
4179         used in binary expressions.
4181 2007-01-21  Ira Rosen  <irar@il.ibm.com>
4183         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
4184         read_write_dep and macros for its access.
4185         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
4186         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
4187         argument, call vect_check_interleaving for every independent pair of
4188         data-refs. Mark loads that access the same memory location as a store
4189         in the loop.
4190         (vect_check_dependences): Remove.
4191         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
4192         call, fix the call to vect_analyze_data_ref_dependence.
4193         (vect_analyze_data_ref_access): For statements that access the same
4194         data-ref, check that they are not stores; for loads, check that there
4195         is no store that access the same location.
4197 2007-01-20  Roger Sayle  <roger@eyesopen.com>
4198             Joseph Myers  <joseph@codesourcery.com>
4200         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
4201         (-fdump-rtl-stack): Likewise.
4202         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
4203         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
4204         (-mpt-fixed): Use @minus{} for minus sign.
4205         (Using Precompiled Headers): Fix under/overfull hbox.
4207 2007-01-20  Jan Hubicka  <jh@suse.cz>
4209         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
4210         place within annotation.
4212 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4214         * pa.c (output_move_double): Change array size of xoperands to 4.
4216 2007-01-20  Jan Hubicka  <jh@suse.cz>
4218         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
4219         as temporary.
4221 2007-01-19  Ian Lance Taylor  <iant@google.com>
4223         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
4224         constant to unsigned HOST_WIDE_INT before negating.
4226 2007-01-19  Ian Lance Taylor  <iant@google.com>
4228         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
4229         to unsigned.
4230         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
4231         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4232         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
4233         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
4234         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4235         (realloc_vdef, realloc_vuse): Change second parameter to
4236         unsigned.
4237         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
4238         fields to unsigned.
4239         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
4240         unsigned. Change x and lim locals to unsigned.
4241         (realloc_vdef, realloc_vuse): Change num_elem parameter to
4242         unsigned.
4243         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
4244         (copy_virtual_operands): Change i and n locals to unsigned.
4246 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4248         PR middle-end/29335
4249         * builtins.c (fold_builtin_1): Handle builtin fdim.
4251 2007-01-20  Jan Hubicka  <jh@suse.cz>
4253         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
4254         * tree-ssa-structalias.c (compute_points_to_sets): Do call
4255         init_alias_heapvars.
4256         (init_alias_heapvars): Initialize only when not already initialized.
4257         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
4259 2007-01-19  Roger Sayle  <roger@eyesopen.com>
4261         * common.opt (fsigned-zeros): New command line option.
4262         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
4263         of flag_unsafe_math_optimizations.
4264         * opts.c (set_fast_math_flags): The -ffast-math command line option
4265         implies -fno-signed-zeros.
4266         (fast_math_flags_set_p): Likewise.
4268         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
4269         the documentation of -ffast-math appropriately.  Wrap long lines.
4271 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
4273         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
4274         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
4276 2007-01-19  Tomas Bily  <tbily@suse.cz>
4278         * cgraphunit.c (cgraph_finalize_function): Updating of pid
4279         * tree-profile.c:
4280         (tree_init_ic_make_global_vars): New function
4281         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
4282         (tree_gen_ic_profiler): New function
4283         (tree_gen_ic_func_profiler): New function
4284         (tree_profiling): Added calling of tree_gen_ic_func_profiler
4285         (tree_profile_hooks): Added hook for indirec/virtual calls
4286         * value-prof.c (tree_find_values_to_profile): New case for
4287         indirect calls
4288         (tree_values_to_profile): Call for determining indirect/virtual
4289         counters
4290         (tree_indirect_call_to_profile): New function
4291         (tree_ic_transform): New function
4292         (tree_ic): New function
4293         (find_func_by_pid): New function
4294         (init_pid_map): New function
4295         (tree_value_profile_transformations): Added check for
4296         indirect/virtual call transformation
4297         * value-prof.h (enum hist_type): New counter type for
4298         indirect/virtual calls
4299         (profile_hooks): Added new hook for profiling indirect/virtual
4300         calls
4301         * profile.c (instrument_values): New case for indirect/virtual
4302         call added
4303         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
4304         (GCOV_COUNTER_V_INDIR): New counter type
4305         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
4306         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
4307         call added
4308         * cgraph.c: Definition of cgraph_max_pid
4309         (cgraph_create_node): Default init of pid attribute
4310         * cgraph.h: Declaration of cgraph_max_pid
4311         (struct cgraph_node): Added pid attribute
4312         * libgcov.c (__gcov_indirect_call_profiler): New function
4313         (__gcov_one_value_profiler_body): New function
4314         (__gcov_one_value_profiler): Body was moved to
4315         __gcov_one_value_profiler_body and calls it
4317 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
4319         * doc/gty.texi (Options): Document the mark_hook option to GTY.
4320         * gengtype.c (write_types_data, write_func_for_structure,
4321         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
4322         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
4323         (walk_type, write_func_for_structure): Generate the mark_hook if
4324         needed.
4326 2007-01-19  Jan Hubicka  <jh@suse.cz>
4328         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
4329         'early' argument take inlining mode argument specifying whether to
4330         inline for size/speeed or all functions; add support for flattening;
4331         improve dumpting.
4332         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
4334 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4336         PR c++/17947
4337         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
4338         the name of the declared identifier.
4340 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4342         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
4343         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
4344         duplicate evaluation.
4346 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4348         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
4349         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
4350         to XFMode, use acosxf2 and truncate result to requested mode.
4351         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4352         (asin<mode>2): Similarly, with asin expanders.
4353         (*fscalexf4_i387): Rename from *fscalexf4.
4354         (expNcorexf3): New expander.
4355         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
4356         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
4357         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
4358         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
4359         patterns for SSE math.
4360         (exp10<mode>2): Similarly, with exp10 expanders.
4361         (exp2<mode>2): Similarly, with exp2 expanders.
4362         (expm1<mode>2): Similarly, with expm1 expanders.
4363         (ldexp<mode>3): Similarly, with ldexp expanders.
4364         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
4365         Use gen_truncxf<mode>2_i387_noop to truncate result.
4367 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4369         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
4370         for ColdFire targets.
4372 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
4373             Richard Sandiford  <richard@codesourcery.com>
4375         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
4376         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
4377         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
4378         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
4379         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4380         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4382 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4384         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
4385         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
4386         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
4387         (*adddi_dilshr32_cf): New pattern.
4388         (adddi3, subdi3): Remove first alternatives.
4390 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4392         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
4393         implemented using move.l, do not use its cc result for floating-point
4394         comparisons.
4396 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4398         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
4399         from accepting 's' constraints if flag_pic.
4401 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4403         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
4404         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
4405         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
4406         condition from TARGET_68881 to TARGET_HARD_FLOAT.
4408 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
4410         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
4411         ColdFire alternatives.
4412         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
4413         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
4414         architectures that support ff1 instruction.
4416 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4417             Julian Brown  <julian@codesourcery.com>
4419         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
4420         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
4421         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
4422         Add commentary.
4424 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4426         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
4427         and return a bool.
4428         (output_move_const_into_data_reg, output_move_simode_const): Delete.
4429         * config/m68k/m68k.c (const_method, const_int_cost): Take a
4430         HOST_WIDE_INT instead of an rtx.
4431         (m68k_rtx_costs): Update call accordingly.
4432         (output_move_const_into_data_reg): Likewise.  Fix formatting.
4433         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
4434         Return a bool.
4435         (output_move_simode_const): Update calls after above changes.
4436         Rework to use automatic variables and predicates like MEM_P.
4437         * config/m68k/m68k.md (pushexthisi_const): Update call to
4438         valid_mov3q_const.
4440 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4442         * tree-ssa-alias.c (perform_var_substitution): Fix typo
4443         in dump_flags test.
4445 2007-01-19  Richard Guenther  <rguenther@suse.de>
4447         * builtins.c (expand_builtin_cexpi): Fall back to expanding
4448         via cexp in case sincos is not available.
4450 2007-01-19  Richard Guenther  <rguenther@suse.de>
4452         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
4453         * defaults.h (TARGET_HAS_SINCOS): Default to off.
4454         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
4455         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
4456         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
4457         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
4458         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
4459         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
4461 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4463         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
4464         New insn patterns.
4465         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
4466         (atan2xf3): Directly generate RTL pattern.
4467         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
4468         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4469         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4470         disable patterns for SSE math.
4471         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
4472         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4473         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4474         disable patterns for SSE math.
4476 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
4478         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
4480 2007-01-18  Roger Sayle  <roger@eyesopen.com>
4482         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
4483         VIEW_CONVERT_EXPR to the same type as it's operand.
4485 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
4487         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
4488         configured for long double 128.
4490 2007-01-18  Mike Stump  <mrs@apple.com>
4492         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
4493         error.
4495 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
4497         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
4498         type correct.
4500 2007-01-18  Jan Hubicka  <jh@suse.cz>
4502         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
4503         greater than NUM_VOP_FREE_BUCKETS.
4505 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
4507         * tree-ssa-structalias.c: Update comments.
4508         (ptabitmap_obstack): Removed.
4509         (pta_obstack): New.
4510         (oldpta_obstack): Ditto.
4511         (stats): Add a few members.
4512         (struct variable_info): Remove node, complex, address_taken, and
4513         indirect_target members. Add oldsolution member.
4514         (new_var_info): Do not initialize removed members.
4515         (constraint_expr_type): Remove INCLUDES.
4516         (constraint_graph): Add size, implicit_preds, rep,
4517         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
4518         (FIRST_REF_NODE): New macro.
4519         (LAST_REF_NODE): Ditto.
4520         (FIRST_ADDR_NODE): Ditto.
4521         (find): New function.
4522         (unite): Ditto.
4523         (dump_constraint): Do not handle INCLUDES.
4524         (insert_into_complex): Do not insert duplicate constraints.
4525         (condense_varmap_nodes): Renamed and rewritten into ...
4526         (merge_node_constraints): This. Also fix bug in handling of
4527         offseted copy constraints.
4528         (clear_edges_for_node): No longer need to deal with preds at all,
4529         or removing associated preds/succs.
4530         (merge_graph_nodes): Deal with indirect_cycles.
4531         Don't deal with predecessors.
4532         (add_implicit_graph_edge): New function.
4533         (add_pred_graph_edge): Ditto.
4534         (add_graph_edge): Don't deal with predecessors.
4535         (build_constraint_graph): Removed.
4536         (build_pred_graph): New function.
4537         (build_succ_graph): Ditto.
4538         (struct scc_info): Removed in_component. Added roots, dfs, and
4539         node_mapping. Remove visited_index, unification_queue.
4540         (scc_visit): Deal with union-find we do now.
4541         Deal with cycles with REF nodes.
4542         (collapse_nodes): Renamed and rewritten to ...
4543         (unify_nodes): This.
4544         (process_unification_queue): Removed.
4545         (topo_visit): Cleanup
4546         (do_da_constraint): Use find.
4547         (do_sd_constraint): Ditto.
4548         (do_ds_constraint): Ditto.
4549         (do_complex_constraint): Ditto.
4550         (init_scc_info): Update for removed and added members.
4551         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
4552         (find_indirect_cycles): This.
4553         (equivalence_class): New variable.
4554         (label_visit): New function.
4555         (perform_variable_substitution): Rewritten.
4556         (free_var_substitution_info): New function.
4557         (find_equivalent_node): Ditto.
4558         (move_complex_constraints): Ditto.
4559         (eliminate_indirect_cycles): Ditto.
4560         (solve_graph): Only propagate changed bits.
4561         Use indirect cycle elimination.
4562         Use find.
4563         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
4564         (tree_id_eq): Renamed to ...
4565         (tree_vi_eq): This. Update for member change
4566         (insert_id_for_tree): Renamed and rewritten to ...
4567         (insert_vi_for_tree): This.
4568         (lookup_id_for_tree): Renamed and rewritten to ...
4569         (lookup_vi_for_tree): This.
4570         (get_id_for_tree): Renamed and rewritten to ...
4571         (get_vi_for_tree): Ditto.
4572         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
4573         (process_constraint): Don't handle INCLUDES.
4574         Remove special ADDRESSOF case.
4575         (find_func_aliases): Rewrite to use vi functions instead of id
4576         ones.
4577         (create_function_info_for): Ditto.
4578         (create_variable_info_for): Ditto.
4579         (intra_create_variable_infos): Ditto.
4580         (merge_smts_into): Ditto.
4581         (find_what_p_points_to): Ditto.
4582         (init_base_vars): Ditto.
4583         (init_alias_vars): Ditto.
4584         (remove_preds_and_fake_succs): New function.
4585         (dump_sa_points_to_info): Dump new stats.
4586         (dump_solution_for_var): Use find.
4587         (set_used_smts): Fix formatting.
4588         (compute_points_to_sets): Updated for new functions.
4589         (ipa_pta_execute): Ditto.
4591 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4592             Richard Sandiford  <richard@codesourcery.com>
4594         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
4595         parallels.
4596         * calls.c (expand_call): If the return value is a PARALLEL,
4597         extract its first member.
4598         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
4599         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4600         use FUNCTION_EXTRA_EPILOGUE.
4601         (m68k_function_value): Return a PARALLEL if the return value
4602         is of a pointer type.
4603         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
4604         (FUNCTION_EXTRA_EPILOGUE): Remove.
4605         * config/m68k/m68k.md (D0_REG): New constant.
4607 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4609         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4610         output a NOP for empty epilogues.
4612 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4614         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
4615         before function.  Extend register save check to include all
4616         registers, not just integer ones.
4618 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4620         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
4621         (m68k_use_return_insn): ...this.
4622         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
4623         * config/m68k/m68k.c (use_return_insn): Rename to...
4624         (m68k_use_return_insn): ...this.
4625         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
4626         of USE_RETURN_INSN.
4628 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4630         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
4631         nearest even, fix denormal rounding overflow.
4633 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4635         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
4636         f%$smove and f%$move.
4637         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
4638         (extendsfdf2_cf): Use fdmove instead of f%&move.
4639         (truncdfsf2_cf): Use fsmove instead of f%$smove.
4640         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
4642 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4644         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
4645         GPR<-GPR moves.
4647 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4649         * real.h (real_format): Add a canonical_nan_lsbs_set field.
4650         (coldfire_single_format): Declare.
4651         (coldfire_double_format): Likewise.
4652         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
4653         of qnan_msb_set to determine the lower bits of a canonical
4654         NaN significand.
4655         (encode_ieee_double): Likewise.
4656         (encode_ieee_quad): Likewise.
4657         (ieee_single_format): Initialize canonical_nan_lsbs_set.
4658         (mips_single_format): Likewise.
4659         (ieee_double_format): Likewise.
4660         (mips_double_format): Likewise.
4661         (ieee_extended_motorola_format): Likewise.
4662         (ieee_extended_intel_96_format): Likewise.
4663         (ieee_extended_intel_128_format): Likewise.
4664         (ieee_extended_intel_96_round_53_format): Likewise.
4665         (ibm_extended_format): Likewise.
4666         (mips_extended_format): Likewise.
4667         (ieee_quad_format): Likewise.
4668         (mips_quad_format): Likewise.
4669         (vax_f_format): Likewise.
4670         (vax_d_format): Likewise.
4671         (vax_g_format): Likewise.
4672         (i370_single_format): Likewise.
4673         (i370_double_format): Likewise.
4674         (decimal_single_format): Likewise.
4675         (decimal_double_format): Likewise.
4676         (decimal_quad_format): Likewise.
4677         (c4x_single_format): Likewise.
4678         (c4x_extended_format): Likewise.
4679         (real_internal_format): Likewise.
4680         (coldfire_single_format): New real_format.
4681         (coldfire_double_format): Likewise.
4682         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
4683         canonical_nan_lsbs_set.
4684         (pdp11_d_format): Likewise.
4685         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4686         if TARGET_COLDFIRE_CPU.
4688 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4690         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4691         (output_call, m68k_legitimize_call_address): Declare.
4692         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4693         parenthesees.  Add support for a 'W' constraint.
4694         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4695         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4696         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4697         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4698         variables.
4699         (override_options): Initialize them.  Do not set flag_no_function_cse
4700         for TARGET_ID_SHARED_LIBRARY.
4701         (m68k_output_pic_call): Delete.
4702         (m68k_legitimize_call_address): New function.
4703         (print_operand): Remove the %o prefix.  Handle the %p prefix.
4704         (output_call): New function.
4705         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
4706         target address from the GOT if symbolic jumps are not allowed.
4707         * config/m68k/m68k.md (call, general_operand): Do not set
4708         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
4709         Merge separate flag_pic and !flag_pic define_insns into...
4710         (*call, *call_value): ...these new patterns.  Match the address
4711         rather than the containing MEM and require it to be a call_operand.
4712         Use output_call to generate the asm template.
4713         * config/m68k/predicates.md (const_call_operand): New predicate.
4714         (call_operand): Likewise.
4716 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4718         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4719         (STACK_GROWS_DOWNWARD): Define to 1.
4720         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4721         comments, emphasizing that these values are only defaults.
4722         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4723         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4725 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4727         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4729 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4730             Richard Sandiford  <richard@codesourcery.com>
4732         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4733         (FP_REGNO_P): New macros.
4734         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4735         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4736         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4737         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4739 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4741         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4742         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4743         to $tmake_file.
4744         * config/m68k/t-floatlib: New file, extracting common code from...
4745         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4746         * config/m68k/t-uclinux: Here.
4747         * config/m68k/fpgnulib.c: Do not compile extendeed precision
4748         routines on ColdFire targets.
4750 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4752         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4753         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4754         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4755         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4756         explicitly set MOTOROLA to 1.
4757         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4759 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4760             Nathan Sidwell  <nathan@codesourcery.com>
4762         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4763         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4764         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4765         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4766         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4767         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4768         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4769         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4770         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4771         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4772         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4773         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4774         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4775         (DBX_REGISTER_NUMBER): Delete.
4776         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4777         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4778         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4780 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4782         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4783         * config/flat.h: New file.
4784         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4785         OBJECT_FORMAT_FLAT.
4786         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4787         indirect references for -msep-data or -mid-shared-library.
4788         Do not use PC-relative code addresses either.
4789         * config/m68k/m68k.c (override_options): Restrict -fPIC error
4790         to -mpcrel.
4791         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
4792         for shared libraries and crt1.o for executables.  Use crti.o and
4793         crtbegin.o.
4794         (ENDFILE_SPEC): Use crtend.o and crtn.o.
4795         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4796         Do not add -elf2flt or -shared-lib-id options here.
4797         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
4798         Pass -shared-lib-id if -mid-shared-library, taking the library
4799         identifier from -mshared-library-id if given, otherwise
4800         defaulting to 0.
4801         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4802         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4803         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4804         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4805         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4806         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4807         and crtend.o.
4808         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4809         jump sequence for ISA A and ISA A+.
4810         (PICJUMP): Likewise.
4812 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4814         * config.gcc (m68k-*-uclinux*): Base the port on the common
4815         and m68k GNU/Linux files rather than on the generic ELF ones.
4816         * config/m68k/uclinux.h (TARGET_VERSION): Override.
4817         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4819 2007-01-18  Julian Brown  <julian@codesourcery.com>
4820             Richard Sandiford  <richard@codesourcery.com>
4822         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4823         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4824         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4825         before redefining.
4826         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4827         80 unconditionally.
4828         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4830 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4832         * doc/install.texi: Document m68k-uclinuxoldabi.
4833         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
4834         * config/m68k/uclinux-oldabi.h: New file, copied from
4835         config/m68k/uclinux.h.
4837 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
4839         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
4840         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
4841         (m32r_compute_frame_size): Use unsigned for regno.
4842         (m32r_reload_lr): Use gen_frame_mem.
4843         (pop): New.
4844         (m32r_output_function_epilogue): Don't output the function epilogue
4845         textually here.
4846         (m32r_expand_epilogue): New.
4847         (direct_return): Return false if the function has the interrupt
4848         attribute.
4849         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
4850         * config/m32r/m32r.md (epilogue): New expander.
4851         (return_lr, return_rte): New insns.
4852         (return): Make it expander.
4853         (return_normal): New expander.
4855 2007-01-18  Josh Conner  <jconner@apple.com>
4857         PR target/30485
4858         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
4859         support for UNLE, UNLT, UNGE, and UNGT.
4861 2007-01-18  Jan Hubicka  <jh@suse.cz>
4863         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
4864         * tree-tailcall (add_virtual_phis): Likewise.
4865         (optimize_tail_call): Return TODOs.
4866         (execute_tail_calls): Return TODOs.
4867         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
4868         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
4869         changed.
4870         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4871         Cleanup cfg using TODO.
4872         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
4873         * passes.c (execute_function_todo): When cleanup did something, remove
4874         unused locals.
4875         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
4876         (make_edges): Don't cleanup_cfg.
4878 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
4880         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
4881         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
4882         operate on the top of stack.
4883         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
4884         register handling of instructions that output to the second
4885         stack slot.
4886         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
4887         (move_for_stack_reg): Special-case check for dead destination
4888         stack slot for constant load of 1.0 inside UNSPEC_TAN.
4890         * config/i386/i386.md (UNSPEC_TAN): New constant.
4891         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
4892         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
4893         to correctly model move of constant 1.0 to top stack slot.
4894         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
4895         (unnamed peephole2 pattern): Remove corresponding peephole2
4896         pattern that optimizes tan insn and loading of constant 1.0.
4897         (tanxf2): Use fptanxf4_i387.
4898         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
4899         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
4900         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4901         disable patterns for SSE math.
4902         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
4903         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
4905 2007-01-18  Dirk Mueller  <dmueller@suse.de>
4906             Richard Guenther <rguenther@suse.de>
4908         PR diagnostic/8268
4909         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
4910         * common.opt (Warray-bounds): Add new warning option.
4911         * c-opts.c (c_common_handle_option): Define -Warray-bounds
4912         if -Wall is given.
4913         * Makefile.in: make tree-vrp.o depend on toplev.h
4914         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
4915         is enabled.
4916         (check_array_refs, check_array_bounds, check_array_ref): New.
4918 2007-01-18  Jan Hubicka  <jh@suse.cz>
4920         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
4921         (execute_ssa_ccp): Return flags conditionally.
4922         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
4923         changed.
4924         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
4926 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
4928         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
4929         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
4931         * Makefile.c (GTFILES): Add cfglayout.h.
4932         * gengtype.c (open_base_files): Likewise.
4933         * cfglayout.c (cfg_layout_function_footer,
4934         cfg_layout_function_header) Reindent to make gengtype happy.
4935         * cfglayout.h (cfg_layout_function_footer,
4936         cfg_layout_function_header): Add GTY(()) marker.
4938         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
4940 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4942         * genautomata.c (write_automata): Include xstrerror output in the
4943         error message if writing the DFA description file fails.
4945 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
4947         * config/mips/mips-protos.h (mips_output_external): Make it
4948         return void.
4949         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
4950         * config/mips/mips.c (irix_output_external_libcall): Likewise.
4951         (extern_list): Likewise.
4952         (extern_head): Likewise.
4953         (TARGET_ASM_FILE_END): Likewise.
4954         (mips_file_end): Likewise.
4955         (mips_output_external): Rewritten.
4957 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4959         * genpreds.c (write_insn_preds_c): Only write out the function
4960         body for regclass_for_constraint if we have register constraints.
4962 2007-01-17  Tom Tromey  <tromey@redhat.com>
4964         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
4965         * doc/install.texi (Testing): Use sourceware.org.
4966         (Binaries): Likewise.
4967         (Specific): Likewise.
4968         * doc/contrib.texi (Contributors): Use sourceware.org.
4970 2007-01-17  Anatoly Sokolov <aesok@post.ru>
4972         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
4973         (AVR_ENHANCED): Rename to ...
4974         (AVR_HAVE_MUL): ... new.
4975         (avr_enhanced_p): Rename to ...
4976         (avr_have_mul_p): ... new.
4977         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
4978         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
4979         * config/avr/avr.c (avr_enhanced_p): Rename to ...
4980         (avr_have_mul_p): ... new.
4981         (base_arch_s): Rename 'enhanced' to 'have_mul'.
4982         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
4983         'avr_enhanced_p' and 'enhanced'.
4984         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
4985         AVR_HAVE_MUL instead of AVR_ENHANCED.
4986         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4987         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
4988         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
4989         instead of AVR_ENHANCED.
4990         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4991         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
4992         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
4994 2007-01-17  Ian Lance Taylor  <iant@google.com>
4996         * vec.h (VEC_reserve_exact): Define.
4997         (vec_gc_p_reserve_exact): Declare.
4998         (vec_gc_o_reserve_exact): Declare.
4999         (vec_heap_p_reserve_exact): Declare.
5000         (vec_heap_o_reserve_exact): Declare.
5001         (VEC_OP (T,A,reserve_exact)): New static inline function, three
5002         versions.
5003         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
5004         negative parameter.
5005         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
5006         (VEC_OP (T,A,copy)) [all versions]: Likewise.
5007         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
5008         * vec.c (calculate_allocation): Add exact parameter.  Change all
5009         callers.
5010         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
5011         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
5012         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
5013         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
5014         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
5015         (vec_heap_p_reserve_exact): New function.
5016         (vec_heap_o_reserve_exact): New function.
5018 2007-01-17  Jan Hubicka  <jh@suse.cz>
5020         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
5022 2007-01-17  Eric Christopher  <echristo@apple.com>
5024         * config.gcc: Support core2 processor.
5026 2007-01-16  Jan Hubicka  <jh@suse.cz>
5028         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
5029         the names, just unlink the chain so we don't crash on dangling pointers
5030         to dead SSA names.
5032 2007-01-16  Jan Hubicka  <jh@suse.cz>
5034         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
5035         * tree-pass.h: Reorder to make IPA passes appear toegher.
5036         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
5037         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
5038         parameters, do not call early inliner.
5039         * ipa-inline.c: Update comments.  Include tree-flow.h
5040         (cgraph_decide_inlining): Do not compute inlining parameters.
5041         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
5042         be called with function context set up.
5043         (pass_ipa_inline): Remove unreachable functions before pass.
5044         (cgraph_early_inlining): Simplify assuming to be called from the
5045         PM as local pass.
5046         (pass_early_inline): New pass.
5047         (cgraph_gate_ipa_early_inlining): New gate.
5048         (pass_ipa_early_inline): Turn into simple wrapper.
5049         (compute_inline_parameters): New function.
5050         (gate_inline_passes): New gate.
5051         (pass_inline_parameters): New pass.
5052         (apply_inline): Move here from tree-optimize.c
5053         (pass_apply_inline): New pass.
5054         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
5055         transforming.
5056         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
5057         doing them by hand.
5058         (tree_function_versioning): Do not allocate dummy struct function.
5059         * tree-inline.h (optimize_inline_calls): Update prototype.
5060         * tree-optimize.c (execute_fixup_cfg): Export.
5061         (pass_fixup_cfg): Remove
5062         (tree_rest_of_compilation): Do not apply inlines.
5063         * tree-flow.h (execute_fixup_cfg): Declare.
5064         * Makefile.in (gt-passes.c): New.
5065         * passes.c: Include gt-passes.h
5066         (init_optimization_passes): New passes.
5067         (nnodes, order): New static vars.
5068         (do_per_function_toporder): New function.
5069         (execute_one_pass): Dump current pass here.
5070         (execute_ipa_pass_list): Don't dump current pass here.
5072 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
5074         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
5075         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
5077 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
5079         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
5080         (strong_alias): Define.
5081         (__gcc_qmul): Provide non-FMA for soft-float.
5082         (__gcc_qdiv): Same.
5083         (__gcc_qneg): New.
5084         (__gcc_qeq): New.
5085         (__gcc_qle): New.
5086         (__gcc_qge): New.
5087         (__gcc_qunord): New.
5088         (__gcc_stoq): New.
5089         (__gcc_dtoq): New.
5090         (__gcc_qtos): New.
5091         (__gcc_qtod): New.
5092         (__gcc_qtoi): New.
5093         (__gcc_qtou): New.
5094         (__gcc_itoq): New.
5095         (__gcc_utoq): New.
5096         (fmsub): New.
5097         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
5098         soft-float functions.
5099         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
5100         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
5101         about long double soft float.
5103 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
5104             Tehila Meyzels  <tehila@il.ibm.com>
5106         * tree-vectorizer.h (is_pattern_stmt_p): New.
5107         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
5108         formatting (tabs instead of spaces). Cleanup and clarify setting
5109         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
5110         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
5111         (vectorizable_type_demotion): Check that types are integral.
5112         (vectorizable_type_promotion): Likewise.
5113         (vectorizable_store): Fix typo.  Eliminate new-line at end of
5114         comments.
5116 2007-01-16  Jan Hubicka  <jh@suse.cz>
5118         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
5119         cgraph edges too.
5121 2007-01-15  Eric Christopher  <echristo@apple.com>
5123         * ifcvt.c: Include vec.h, vecprim.h.
5124         (check_cond_move_block): New argument regs.
5125         Reorganize. Add registers used to regs.
5126         (cond_move_process_if_block): Use regs set above as
5127         loop bounds.
5129 2007-01-15  Eric Christopher  <echristo@apple.com>
5131         * config/darwin.h: Update copyright.
5132         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
5133         (LINK_COMMAND_SPEC): Add -u.
5134         (LINK_SPEC): Fix umbrella for above.
5136 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
5138         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
5139         glibc CVS.
5141 2007-01-15  Tom Tromey  <tromey@redhat.com>
5143         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
5144         * doc/install.texi (Testing): Don't mention jacks.
5145         (Configuration): Document --enable-java-maintainer-mode.  Move
5146         --with-java-home to libgcj-specific section.  Document
5147         --with-ecj-jar.
5148         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
5150 2007-01-15  Jan Hubicka  <jh@suse.cz>
5152         * tree-ssa-dce.c (DCE_TODOs): New.
5153         (propagate_necessity): Return if something changed.
5154         (eliminate_unnecessary_stmts): Likewise.
5155         (perform_tree_ssa_dce): Return TODO flags when needed.
5156         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
5158 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
5160         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
5161         (fyl2x_extend<mode>xf3_i387): New insn pattern.
5162         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
5163         patterns using X87MODEF12 mode macro.  Extend operand 1
5164         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
5165         (log10<mode>2): Ditto.
5166         (log2<mode>2): Ditto.
5167         (log1p<mode>2): Ditto.
5168         (logb<mode>2): Ditto.
5169         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
5170         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
5171         (*fxtractxf3_i387): Rename from *fxtractxf3.
5172         (fxtract_extend<mode>xf3_i387): New insn pattern.
5173         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
5174         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
5175         and gen_fyl2xxf3_i387().
5177 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
5179         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
5180         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
5181         get_loop_exit_edges.  Changed return type to bool.
5182         * cfgloop.h (fix_loop_placement): Declaration removed.
5184 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
5186         * param.h (MIN_VECT_LOOP_BOUND): New.
5187         * params.def (MIN_VECT_LOOP_BOUND): New.
5188         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
5189         argument - minimum threshold for number of iterations.
5190         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
5191         argument to declaration.
5192         * tree-vect-analyze.c (vect_analyze_operations): Check value of
5193         MIN_VECT_LOOP_BOUND.
5194         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
5195         slpeel_tree_peel_loop_to_edge with additional argument.
5196         (vect_do_peeling_for_alignment): Likewise.
5197         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
5199 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
5201         PR target/30413
5202         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
5203         operands of size 1.
5205 2007-01-14  Jan Hubicka  <jh@suse.cz>
5207         * tree-dfa.c (remove_referenced_var): New function.
5208         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
5209         prune referenced vars list too.
5210         * tree-flow.h (remove_referenced_var): Declare.
5212 2007-01-14  Jan Hubicka  <jh@suse.cz>
5214         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
5215         separately.
5216         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
5217         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
5218         * except.h (verify_eh_throw_table_statements): Kill prototype.
5219         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
5220         into call exrepssions.
5221         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
5222         eh trhow verifier.
5223         * tree-cfg.c: Include pointer-set.h.
5224         (verify_node_sharing): Work on pointer set.
5225         (verify_eh_throw_stmt_node): New.
5226         (verify_stmts): Use pointers sets, verify throw_stmt.
5228 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
5230         * ipa-reference.c (analyze_function): Consider also addresses taken
5231         in phi nodes.
5233 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5235         * c-typeck.c (null_pointer_constant_p): Replace use of
5236         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5237         (build_c_cast): Likewise.
5239 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5241         * tree.h (force_fit_type_double): Remove unused final argument.
5242         * c-common.c (constant_expression_warning): Replace use of
5243         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5244         (convert_and_check): Likewise.
5245         (shorten_compare): Update call to force_fit_type_double.
5246         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
5247         * convert.c (convert_to_pointer): Update call to
5248         force_fit_type_double.
5249         * fold-const.c (force_fit_type_double): Remove overflowed_const
5250         argument.
5251         (int_const_binop, fold_convert_const_int_from_int,
5252         fold_convert_const_int_from_real, fold_div_compare,
5253         fold_sign_changed_comparison, fold_unary, fold_negate_const,
5254         fold_abs_const, fold_not_const): Remove the final argument from
5255         calls to force_fit_type_double.
5257 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5259         * configure.ac: Set insn to "nop" for spu-*-* also.
5260         * configure: Regenerate.
5262 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
5264         * builtins.def : Add BUILT_IN_FREE.
5266 2007-01-12  Jan Hubicka  <jh@suse.cz>
5268         PR tree-optimization/30443
5269         * tree-inline.c (tree_function_versioning): Do not optimize when
5270         cloning for inlining.
5272 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
5274         * doc/loop.texi: Document recording of loop exits.
5275         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
5276         (update_single_exits_after_duplication,
5277         update_single_exit_for_duplicated_loop,
5278         update_single_exit_for_duplicated_loops): Removed.
5279         (duplicate_loop_to_header_edge): Do not call
5280         update_single_exits_after_duplication and
5281         update_single_exit_for_duplicated_loops.
5282         (loop_version): Do not update single_exit information.
5283         (fix_loop_structure): Use record_loop_exits instead of
5284         mark_single_exit_loops.
5285         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
5286         the lists of loop exits.
5287         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
5288         split_edge, merge_blocks): Update the lists of loop exits.
5289         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
5290         loop_optimizer_init.
5291         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
5292         of mark_single_exit_loops.
5293         (loop_optimizer_finalize): Call release_recorded_exits.
5294         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
5295         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
5296         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
5297         update single exit information.
5298         * lambda-code.c (perfect_nestify): Ditto.
5299         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
5300         (mark_single_exit_loops): Removed.
5301         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
5302         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
5303         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
5304         functions.
5305         (get_loop_exit_edges, single_exit): Use recorded exit lists.
5306         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
5307         (verify_loop_structure): Verify consistency of the exit lists.
5308         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
5309         (set_single_exit): Removed.
5310         * cfgloop.h (struct loop_exit): New function.
5311         (struct loop): single_exit_ field replaced by exits field.
5312         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
5313         (struct loops): Added exits hash.
5314         (mark_single_exit_loops, set_single_exit): Declaration removed.
5315         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
5317 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5319         * doc/invoke.texi: Avoid use of @headitem.
5321 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5323         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
5325 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5327         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
5328         list of targets.
5330 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5331             Richard Sandiford  <richard@codesourcery.com>
5333         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
5334         * config/m68k/m68k.opt: Resort options.
5335         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
5337 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5338             Richard Sandiford  <richard@codesourcery.com>
5340         * doc/invoke.texi: Document the macros that are defined by
5341         m68k's -mtune and -mhard-float options.
5342         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
5343         (m68k_cpp_cpu_family): Likewise.
5344         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
5345         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
5346         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
5347         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
5348         (m68k_cpp_cpu_family): Likewise.
5350 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5352         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
5353         macros besides mc68000 as tuning macros.  Use a switch statement
5354         to set them and mcpu32.
5356 2007-01-12  Julian Brown  <julian@codesourcery.com>
5358         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
5359         (TARGET_68040_ONLY): Rename to...
5360         (TARGET_68040): ...this.
5361         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
5362         * config/m68k/m68k.md: Likewise.
5364 2007-01-12  Julian Brown  <julian@codesourcery.com>
5365             Nathan Sidwell  <nathan@codesourcery.com>
5366             Richard Sandiford  <richard@codesourcery.com>
5368         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
5369         the -mcpu= argument associated with the --with-cpu setting.
5370         Define M68K_DEFAULT_TUNE to the default -mtune= option,
5371         if different from the one implied by the -mcpu setting.
5372         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
5373         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
5374         * doc/invoke.texi: Mention ColdFire in the introduction to the
5375         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
5376         -mno-div and -mhard-float options.  Make -m68881 a synonym for
5377         -mhard-float.  Document the previously-undocumented -m5206e,
5378         -m528x, -m5307 and -m5407 options.  Tweak the existing option
5379         documentation for consistency.
5380         * doc/install.texi: Mention new --with-cpu arguments.
5381         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
5382         default CPU if neither -mcpu nor -march are specified.
5383         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
5384         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
5385         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
5386         using m68k_tune to decide between families that implement the
5387         same ISA.  Use m68k_tune to set __mcfv4e__.
5388         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
5389         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
5390         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
5391         (FL_ISA_C, FL_ISA_MMU): New macros.
5392         (MASK_COLDFIRE): Delete.
5393         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
5394         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
5395         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
5396         (TARGET_HARD_FLOAT): Do not define here.
5397         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
5398         (TUNE_68000): New macro.
5399         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
5400         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
5401         (TUNE_CFV2): Redefine in terms of m68k_tune.
5402         (uarch_type, target_device, fpu_type): New enums.
5403         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
5404         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
5405         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
5406         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
5407         (FL_FOR_isa_c): New macros.
5408         (m68k_isa): New enum.
5409         (m68k_target_selection): New structure.
5410         (all_devices, all_isas, all_microarchs): New tables.
5411         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
5412         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
5413         (MASK_ALL_CPU_BITS): Delete.
5414         (m68k_find_selection): New function.
5415         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
5416         Map the legacy target options to a combination of the new ones.
5417         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
5418         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
5419         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
5420         settings.
5421         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
5422         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
5423         properties.
5424         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
5425         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
5426         * config/m68k/m68k-devices.def: New file.
5428 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5429             Nathan Sidwell  <nathan@codesourcery.com>
5431         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
5432         (SUBTARGET_EXTRA_SPECS): New macros.
5433         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
5434         use %(asm_cpu_spec) instead.
5435         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
5436         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
5437         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
5438         (EXTRA_SPECS): Rename to...
5439         (SUBTARGET_EXTRA_SPECS): ...this.
5441 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5442             Richard Sandiford  <richard@codesourcery.com>
5443             Julian Brown  <julian@codesourcery.com>
5445         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
5446         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
5447         to the configuration's default CPU.
5448         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
5449         Remove default masks.
5450         (m680[012]0-*-*): Set the default with_cpu to the first part of
5451         the target name.
5452         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
5453         (m68k*-*-linux): Extend the --with-cpu handling to...
5454         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
5455         and m68010.  Don't set target_cpu_default2.
5456         * doc/install.texi: Document --with-cpu for m68k.
5457         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
5458         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
5459         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
5460         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
5461         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
5462         (ASM_SPEC): Remove use of %(asm_cpu_default).
5463         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
5464         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
5465         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
5466         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
5467         __HAVE_FPU__ if TARGET_HARD_FLOAT.
5468         (TARGET_DEFAULT): Delete.
5469         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
5470         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
5471         (CPP_CPU_SPEC): Delete.
5472         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
5473         the appropriate string.
5474         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
5475         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
5476         (ASM_SPEC): Don't use %(asm_default_spec).
5477         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5478         TARGET_DEFAULT and add MASK_68881.
5479         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
5481 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5483         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
5484         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
5485         MASK_68010 alongside MASK_68020.
5486         * doc/invoke.texi: Document -m68010.
5487         * config/m68k/m68k.opt (m68010): New.
5488         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
5489         if TUNE_68010.
5490         (TUNE_68010): New macro.
5491         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
5492         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
5493         (M68K_CPU_m68332): Add MASK_68010.
5494         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
5495         fallback definition.
5496         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
5497         defines.
5498         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
5499         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
5500         to all entries that use MASK_68020.
5501         (output_move_simode_const, output_move_himode, output_move_qimode)
5502         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
5503         instead of TARGET_68020 to select clr behavior.  Remove comment
5504         about there being no TARGET_68010.
5505         * config/m68k/m68k.md: Likewise throughout.
5507 2007-01-12  Julian Brown  <julian@codesourcery.com>
5509         * config/m68k/m68k.h (TARGET_ISAB): New macro.
5510         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
5511         * config/m68k/m68k.md: Likewise.
5513 2007-01-12  Julian Brown  <julian@codesourcery.com>
5515         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
5516         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
5518 2007-01-12  Julian Brown  <julian@codesourcery.com>
5520         * config/m68k/m68k.h (TUNE_68040_60): New macro.
5521         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
5522         * config/m68k/m68k.md: Likewise.
5524 2007-01-12  Julian Brown  <julian@codesourcery.com>
5525             Richard Sandiford  <richard@codesourcery.com>
5527         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
5528         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
5529         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
5530         TARGET_CPU32.
5531         (TARGET_CPU32): Rename to...
5532         (TUNE_CPU32): ...this.
5533         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
5534         (TUNE_CFV2): New macros.
5535         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
5536         remove conditions that are implied by TARGET_68020.
5537         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
5538         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
5539         (m68k_output_function_epilogue): Likewise.
5540         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
5541         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
5542         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
5543         non-68000 timings.  Refactor multiplication and division costs.
5544         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
5545         TUNE_CPU32 instead of TARGET_CPU32.
5546         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
5547         and TUNE_68060 instead of TARGET_68060.
5548         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
5549         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
5550         TARGET_CPU32.
5551         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
5552         && !TARGET_COLDFIRE" to choose between moveq and clr.
5553         Likewise in the unnamed movsf pattern.
5554         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
5555         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
5556         ashiftrt pattern.
5558 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5560         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
5561         of tabbing before backslashes.
5563 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5565         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
5566         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
5567         (ASM_OUTPUT_INTERNAL_LABEL): Define.
5569 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5571         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
5572         find_interesting_uses_cond.
5573         (find_interesting_uses_cond): Use extract_cond_operands.
5574         (rewrite_use_compare): Use extract_cond_operands and
5575         force_gimple_operand_bsi.  Do not call update_stmt.
5576         (determine_use_iv_cost_condition): Use extract_cond_operands.
5577         Return cheaper of using original bound and changing the exit bound.
5579 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5581         PR tree-optimization/29516
5582         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
5583         most_expensive_mult_to_index, addr_to_parts,
5584         create_mem_ref, maybe_fold_tmr): Make the type of
5585         fields of TARGET_MEM_REF sizetype.
5586         (move_fixed_address_to_symbol, move_pointer_to_base):
5587         New functions.
5588         * tree.def (TARGET_MEM_REF): Add comment on types of
5589         the operands.
5591 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
5593         * c-common.c (vector_types_convertible_p): Treat opaque types as
5594         always convertible if they have the same size, but not otherwise.
5596 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
5598         * ifcvt.c (struct noce_if_info): Add comments to the fields.
5599         Remove the b_unconditional field.
5600         (noce_try_sign_mask): Do not look at b_unconditional.
5601         (noce_process_if_block): Do not use merge_if_blocks.  Update
5602         the CFG here.  Do not set b_unconditional.
5603         (cond_move_process_if_block): Likewise.
5604         (find_cond_trap): Likewise.
5605         (check_cond_move_block): Require simple jump insns at the end
5606         of the basic block.
5608 2007-01-11  Jan Hubicka  <jh@suse.cz>
5610         PR tree-optimization/1046
5611         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
5612         when alias info is not ready.
5613         (pass_tail_recursion): Do not require aliasing.
5614         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
5615         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
5616         * tree-ssa-copy.c (pass_copy_prop): Likewise.
5617         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5618         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
5619         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
5620         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
5621         before inlining.
5622         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
5623         When aliasing is not build, mark statement as volatile.
5625 2007-01-11  Tom Tromey  <tromey@redhat.com>
5627         PR preprocessor/15185, PR preprocessor/20989:
5628         * doc/cppopts.texi <-MT>: Update description of algorithm for
5629         computing default target.
5630         <-M, -MD>: Reword "basename" text.
5632 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5634         * builtins.c (expand_builtin_pow, expand_builtin_powi,
5635         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
5636         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5637         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
5638         fold_builtin_bswap, real_constp, fold_builtin_pow,
5639         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
5640         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
5641         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5642         * convert.c (convert_to_pointer): Likewise.
5643         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
5644         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
5645         const_binop, fold_convert_const_int_from_int,
5646         fold_convert_const_int_from_real,
5647         fold_convert_const_real_from_real, sign_bit_p,
5648         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
5649         fold_sign_changed_comparison, fold_unary, fold_comparison,
5650         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
5651         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
5652         * print-tree.c (print_node_brief, print_node): Likewise.
5653         * stor-layout.c (place_field, layout_type): Likewise.
5654         * tree-chrec.c (keep_cast): Likewise.
5655         * tree.c (build_vector, build_real, build_real_from_int_cst,
5656         build_complex): Likewise.
5658 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5660         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
5661         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
5663 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
5665         * configure.ac (strict1_warn): Rename to strict_warn.
5666         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
5667         cc_set_by_configure, quoted_cc_set_by_configure,
5668         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
5669         all_boot_languages, all_stagestuff): Remove.
5670         (target_list): Remove bootstrap targets.
5671         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
5672         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
5673         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
5674         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
5675         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
5676         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
5677         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
5678         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
5679         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
5680         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
5681         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
5682         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
5683         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
5684         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
5685         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
5686         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
5687         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
5688         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
5689         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
5690         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
5691         (mostlyclean): Adjust.
5692         (clean, distclean): Don't mention bootstrap stuff.
5693         * configure: Regenerate.
5694         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
5695         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
5696         treelang/config-lang.in (stagestuff): Remove.
5697         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
5698         stageprofile, stagefeedback, stagestuff): Remove mention.
5700 2007-01-11  Nick Clifton  <nickc@redhat.com>
5702         * config/mcore/predicates.md (mcore_general_movesrc_operand):
5703         Accept CONSTs.
5704         (mcore_general_movdst_operand): Do not accept CONST_INTs.
5705         (mcore_arith_K_S_operand): Run the test for the S constraint not
5706         the test for the M constraint.
5707         (mcore_addsub_operand): Do not accept integer values that are
5708         larger than 32 bits.
5709         * config/mcore/mcore.md: Remove unused constraints from split.
5710         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
5711         (addsi3): Likewise.
5712         (allocate_stack): Likewise.
5713         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
5714         operands to 32 bits.
5715         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
5716         INTVAL.
5717         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
5718         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
5719         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
5720         mcore_output_bclri, mcore_output_andn, output_inline_const,
5721         mcore_output_move, mcore_output_movedouble): Likewise.
5722         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
5723         (output_inline_const): Likewise.
5724         (output_inline_const): Fix format strings used in sprintf
5725         statements.
5726         * config/mcore/mcore-protos.h: Update prototypes for changed
5727         functions in mcore.c.
5728         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
5729         HOST_WIDE_INT and not int.
5730         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
5731         CONST_OK_FOR_N): Likewise.
5732         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
5733         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
5734         an INTVAL.
5736 2007-01-10  Jan Hubicka  <jh@suse.cz>
5738         * tree-vrp.c (remove_range_assertions): Release defs.
5739         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
5740         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5742 2007-01-10  Paul Brook  <paul@codesourcery.com>
5744         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5745         * config/arm/arm.md (mulsi3subsi): New insn.
5747 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
5749         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5750         (tree_transform_and_unroll_loop): New.
5751         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5752         Declare.
5754 2007-01-10  Robert Kennedy <jimbob@google.com>
5756         * fold-const.c (fold_comparison): Fold comparisons like (x *
5757         1000 < 0) to (x < 0).
5759 2007-01-10  Ian Lance Taylor  <iant@google.com>
5761         * tree-pretty-print.c (dump_generic_node): Print parentheses when
5762         operands have the same priority.
5764 2007-01-10  Tom Tromey  <tromey@redhat.com>
5766         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5767         (fold_binary): Likewise.
5768         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5769         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5770         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5771         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5772         * langhooks.h (struct lang_hooks): Removed field
5773         'can_use_bit_fields_p'.
5775 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
5777         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5779 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
5781         * function.c (get_last_funcdef_no): New function.
5782         * function.h (get_last_funcdef_no): Declare.
5783         * tree-inline.c (initialize_cfun): Add initialization.
5784         (tree_function_versioning): Cleanup.
5786 2007-01-10  Jan Hubicka  <jh@suse.cz>
5788         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5789         PHIs.
5791 2007-01-10  Sa Liu  <saliu@de.ibm.com>
5792             Ben Elliston  <bje@au.ibm.com>
5794         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5795         for SAVE_NONLOCAL and Pmode for any other save level.
5796         * spu-protos.h (spu_restore_stack_block): Declare.
5797         * spu.md (save_stack_block): Remove.
5798         (restore_stack_block): Call spu_restore_stack_block.
5799         * spu.c (spu_restore_stack_block): New function.
5800         (spu_expand_epilogue): Remove old comment.
5802 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
5804         PR tree-optimization/30322
5805         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5806         (cand_value_at): Return the value as aff_tree.
5807         (may_eliminate_iv): Convert the bound from aff_tree to tree.
5808         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5809         aff_combination_mult): New functions.
5810         (aff_combination_add): Use aff_combination_add_cst.
5811         (aff_combination_convert): Allow conversions to a wider type.
5812         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5813         * tree-affine.h (aff_combination_mult): Declare.
5815 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
5817         * doc/tm.texi: Update documentation to reflect reality of exec
5818         and start file search behaviours. Update copyright year.
5819         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5820         header file directories.
5822 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
5824         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5825         (*cosxf2): Rename to cosxf2_i387.
5826         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
5827         using X87MODEF12 mode macro. Rename patterns to
5828         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
5829         for SSE math.
5830         (*cosdf2, *cossf2): Ditto.
5831         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
5832         to match extended input operands.
5833         (sincos<mode>3): New expander.
5834         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
5835         insn patterns and corresponding splitters.
5837 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5839         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
5840         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
5842 2007-01-09  Nicolas Pitre  <nico@cam.org>
5844         PR target/30173
5845         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
5847 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5849         * target.h (struct gcc_target): New field library_rtti_comdat.
5850         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
5851         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
5852         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
5853         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
5855 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5857         * doc/invoke.texi (Optimize Options): Correct description of -O0.
5859 2007-01-08  Richard Guenther  <rguenther@suse.de>
5861         * tree.h (force_fit_type_double): Export.
5862         (force_fit_type): Remove.
5863         * fold-const.c (force_fit_type_double): New function.
5864         (force_fit_type): Remove.
5865         (int_const_binop): Use it.
5866         (fold_convert_const_int_from_int): Likewise.
5867         (fold_convert_const_int_from_real): Likewise.
5868         (fold_div_compare): Likewise.
5869         (fold_sign_changed_comparison): Likewise.
5870         (fold_unary): Likewise.
5871         (fold_negate_const): Likewise.
5872         (fold_abs_const): Likewise.
5873         (fold_not_const): Likewise.
5874         * c-common.c (shorten_compare): Use force_fit_type_double.
5875         * convert.c (convert_to_pointer): Likewise.
5877 2007-01-08  Richard Guenther  <rguenther@suse.de>
5879         * tree.h (build_int_cst_wide_type): Export.
5880         * tree.c (build_int_cst_wide_type): New function.
5881         (build_int_cst_wide): Fix comment.
5882         * builtins.c (fold_builtin_object_size): Use build_int_cst
5883         to build -1 or 0 of the correct type.  Use fit_double_type
5884         to check for overflow.
5885         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
5886         to build the mask.
5887         (decode_field_reference): Likewise.
5888         (all_ones_mask_p): Likewise.
5889         (native_interpret_int): Use build_int_cst_wide_type.
5890         (fold_binary): Use build_int_cst_type to build an all-ones
5891         value.
5892         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
5894 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
5896         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
5898 2007-01-09  Ben Elliston  <bje@au.ibm.com>
5900         * genautomata.c (STATS_OPTION): New option.
5901         (stats_flag): New flag.
5902         (gen_automata_option): Handle it.
5903         (initiate_automaton_gen): Ditto.
5904         (write_automata): Output statistics only if stats_flag is
5905         set. Likewise, output time statistics only if time_flag is set.
5906         * doc/md.texi (Processor pipeline description): Document new flag.
5908 2007-01-08  Richard Guenther  <rguenther@suse.de>
5910         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
5911         * tree.c (build_int_cst_type): Likewise.
5912         (size_in_bytes): Don't call force_fit_type on the result.
5913         (int_fits_type_p): Use fit_double_type.
5914         * fold-const.c (fit_double_type): New function.
5915         (force_fit_type): Use it.
5916         * tree.h (fit_double_type): Export.
5918 2007-01-08  Jan Hubicka  <jh@suse.cz>
5920         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
5921         * ipa.c (function_and_variable_visibility): Fix return type.
5923 2007-01-08  Richard Guenther  <rguenther@suse.de>
5925         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
5926         of offset to build the index.
5927         * tree-pretty-print.c (dump_generic_node): Don't build negated
5928         const just for printing.
5929         * c-pretty-print.c (pp_c_integer_constant): Likewise.
5930         * builtins.c (fold_builtin_int_roundingfn): Check if result
5931         fits the type by using force_fit_type and comparing the result.
5932         * predict.c (predict_loops): Use compare_tree_int for comparison.
5933         * tree.c (build_int_cst): Fall back to integer_type_node for
5934         NULL_TREE type.
5935         (build_int_cst_wide): Assert type is non-null.
5937 2007-01-08  Roberto Costa  <roberto.costa@st.com>
5939         * tree-vrp.c (extract_range_from_cond_expr): New.
5940         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
5941         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
5942         as expressions.
5943         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
5944         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
5945         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
5946         used as expressions.
5947         * tree-object-size.c (cond_expr_object_size): New.
5948         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
5950 2007-01-08  Jan Hubicka  <jh@suse.cz>
5952         * tree-ssa-forwprop.c (forward_propagate_into_cond,
5953         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
5954         statement.
5956 2007-01-08  Richard Guenther  <rguenther@suse.de>
5958         PR tree-optimization/23603
5959         * tree-vrp.c (set_value_range_to_truthvalue): New function.
5960         (extract_range_from_binary): Fall back to truthvalue instead of
5961         varying for TRUTH_*_EXPR.
5962         (extract_range_from_comparison): Fall back to truthvalue instead of
5963         varying.
5964         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
5965         if all visited PHI values were constant.
5967 2007-01-08  Jan Hubicka  <jh@suse.cz>
5969         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
5970         (cgraph_analyze_function): break out from ...
5971         (cgraph_finalize_compilation_unit): ... here.
5972         (cgraph_expand_function): Remove forgoten commented out line.
5973         (cgraph_optimize): Analyze functions.
5975 2007-01-08  Jan Hubicka  <jh@suse.cz>
5977         * tree-pas.h (TODO_remove_function): New flag.
5978         (TODO_update*): Renumber.
5979         (pass_ipa_increase_alignment,
5980         pass_ipa_function_and_variable_visibility): New passes.
5981         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
5982         (cgraph_function_and_variable_visibility): Move to ipa.c
5983         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
5984         cgraph_increase_alignment.
5985         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
5986         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
5987         calling tree-inline.
5988         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
5989         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
5990         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
5991         (gate_increase_alignment): New function.
5992         (pass_ipa_increase_alignment): New pass.
5993         * ipa.c: Inline tree-pass.h and timevar.h
5994         (function_and_variable_visibility): Move here from cgraphunit.c
5995         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
5996         * passes.c (init_optimization_passes): Add the two new passes.
5997         (execute_todo): Handle cgraph_remove_functions.
5999 2007-01-08  Nick Clifton  <nickc@redhat.com>
6001         * config/frv/predicates.md (reg_or_0_operand): Accept
6002         CONST_DOUBLEs.
6004 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
6006         * config/bfin/rtems.h, config/bfin/t-rtems: New.
6007         * config.gcc: Add bfin*-rtems*.
6009 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
6011         * c.opt: Add -flax-vector-conversions.
6012         * c-typeck.c (convert_for_assignment): Pass flag to
6013         vector_types_convertible_p to allow emission of note.
6014         (digest_init): Likewise.
6015         * c-opts.c: Handle -flax-vector-conversions.
6016         * c-common.c (flag_lax_vector_conversions): New.
6017         (vector_types_convertible_p): Unless -flax-vector conversions
6018         has been passed, disallow conversions between vectors with
6019         differing numbers of subparts and/or element types.  If such
6020         a conversion is disallowed, possibly emit a note on the first
6021         occasion only to inform the user of -flax-vector-conversions.
6022         The new last argument specifies this.
6023         * c-common.h (flag_lax_vector_conversions): New.
6024         (vector_types_convertible_p): Add extra argument.
6025         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
6026         char_type_node for V*QI type vectors.
6027         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
6028         Update to satisfy new typechecking rules.
6029         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
6030         C and C++ variants.
6031         * doc/invoke.texi (C Dialect Options): Document
6032         -flax-vector-conversions.
6034 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
6036         PR tree-optimization/29877
6037         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
6038         a register variable on the RHS to not be replaceable.
6040 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
6041         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
6042         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
6043         const_simm15, const_pow2, const_npow2): Added.
6044         * config/score/misc.md (insv, extv, extzv, movmemsi,
6045         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
6046         * config/score/score.c (score_address_cost, score_select_cc_mode):
6047         Added.
6048         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
6049         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
6050         Update score_print_operand.
6051         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
6052         Adjust register allocate order and update some macro define.
6053         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
6054         mdx_block_move_straight, mdx_block_move_loop_head,
6055         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
6056         mdx_block_move): Added.
6057         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
6058         mdp_limm): Updated and fix some bug and typo.
6059         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
6060         (movsf, movdf, doloop_end): Added.
6062 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
6064         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
6065         config/arm/thumb2.md: Fix comment typos.
6066         * doc/extend.texi: Fix a typo.
6068 2007-01-07  Eric Christopher  <echristo@apple.com>
6070         * configure.ac: Check for __stack_chk_fail for darwin.
6071         * configure: Regenerate.
6073 2007-01-07  Richard Guenther  <rguenther@suse.de>
6075         * tree-vrp.c (extract_range_from_assert): CSE calls to
6076         compare_values where possible.
6077         (extract_range_from_unary_expr): Likewise.
6079 2007-01-07  Anatoly Sokolov <aesok@post.ru>
6081         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
6082         * config/avr/avr.c (call_insn_operand): Delete function.
6083         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
6084         instead of register number. Use predicates.
6085         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
6086         call_insn_operand): Add.
6088 2007-01-06  Jan Hubicka  <jh@suse.cz>
6090         * tree-pass.h (pass_build_cgraph_edges): Declare.
6091         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
6092         (visited_nodes): Remove.
6093         (cgraph_create_edges): Move to cgraphbuild.c; rename to
6094         build_cgrpah_edges; make visited_nodes local.
6095         (cgraph_process_new_functions): DO not call initialize_inline_failed.
6096         (record_references_in_initializer): Move to cgraphbuild.c
6097         (initialize_inline_failed, rebuild_cgraph_edges,
6098         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
6099         (verify_cgraph_node): Make visited_nodes local.
6100         (cgraph_analyze_function): Do not call cgraph_create_edges and
6101         initialize_inline_failed.
6102         (cgraph_expand_function): Do not call cgraph_lower_function;
6103         assert that function is already lowered.
6104         * Makefile.in (cgraphbuild.o): New.
6105         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
6106         at the end of lowering passes.
6108 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
6110         * ifcvt.c (cond_move_convert_if_block): New function, code
6111         factored out from...
6112         (cond_move_process_if_block): ...here.  Call the new function
6113         on the THEN and ELSE blocks.
6114         (merge_if_block): Do not copy global_live_at_end, merge_blocks
6115         already takes care of this.
6117 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6119         PR c/19978
6120         * tree.h (TREE_OVERFLOW_P): New.
6121         * c-typeck.c (parser_build_unary_op): Warn only if result
6122         overflowed and operands did not.
6123         (parser_build_binary_op): Likewise.
6124         (convert_for_assignment): Remove redundant overflow_warning.
6125         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
6127 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6129         * c-typeck.c (store_init_value): Split over two lines to follow
6130         the GNU coding style.
6132 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
6134         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
6135         __GXX_EXPERIMENTAL_CXX0X__.
6136         * doc/cpp.texi: Same.
6138 2007-01-05  Richard Guenther  <rguenther@suse.de>
6140         PR middle-end/27826
6141         * tree.c (get_narrower): Do not construct COMPONENT_REFs
6142         with mismatched types.  Instead explicitly build a
6143         conversion NOP_EXPR.
6145 2007-01-05  Ian Lance Taylor  <iant@google.com>
6147         * c-common.c (decl_with_nonnull_addr_p): New function.
6148         (c_common_truthvalue_conversion): Call it.
6149         * c-typeck.c (build_binary_op): Likewise.
6150         * c-common.h (decl_with_nonnull_addr_p): Declare.
6152 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
6154         PR c/30360
6155         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
6156         denom against 0.0.
6158 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
6160         * doc/install.texi (Final install): Document the fact that
6161         the GNAT runtime should not be stripped.
6163 2007-01-04  Jan Hubicka  <jh@suse.cz>
6165         * tree-inline.c (fold_marked_statements): Update operand caches
6166         and EH after folding
6168 2007-01-04  Ian Lance Taylor  <iant@google.com>
6170         * c-common.c (check_function_nonnull): Whitespace fix.
6172 2007-01-04  Jan Hubicka  <jh@suse.cz>
6174         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
6175         comitted older version of patch.
6176         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
6177         function, celanup cfg and collect garbage.
6179 2007-01-04  Mike Stump  <mrs@apple.com>
6181         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
6182         (clean): Likewise.
6184 2007-01-04  Eric Christopher  <echristo@apple.com>
6186         * libgcc2.c (__bswapsi2): Use SItype.
6187         (__bswapdi2): Use DItype.
6188         * libgcc2.h: Update for above.
6190 2007-01-04  Paul Brook  <paul@codesourcery.com>
6192         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
6193         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
6194         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
6195         umulsidi3, umulsidi3adddi, smulsi3_highpart,
6196         umulsi3_highpart): Make conditional on !arm_arch6.
6197         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
6198         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
6199         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
6200         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
6201         umulsi3_highpart_v6): New insns.
6203 2007-01-04  Roger Sayle  <roger@eyesopen.com>
6205         * fold-const.c (fold_convert): When casting an expression to void,
6206         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
6207         have a type.  Instead of attempting to build a NOP_EXPR, return
6208         these "special" trees directly.
6210 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
6212         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
6213         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
6214         rs6000_cost->fp not 0 as adjustment for outer NEG.
6216 2007-01-04  Jan Hubicka  <jh@suse.cz>
6218         * cgraph.c (cgraph_release_function_body): New function.
6219         (cgraph_remove_node): Use it.
6220         * cgraph.h (cgraph_release_function_body): Declare.
6221         * cgraphunit.c (cgraph_expand_function): Use it.
6222         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
6223         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
6224         is initialized and while compilation of other function is running.
6225         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
6226         statement CFG annotations from here to ...
6227         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
6229 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
6231         * cfgloop.h (enum li_flags): Make the constants powers of two.
6233 2007-01-04  Jan Hubicka  <jh@suse.cz>
6235         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
6236         set.
6237         (fold_marked_statements): New function.
6238         (optimize_inline_calls, tree_function_versioning): Fold new statements.
6239         * tree-inline.h (copy_body_data): Add statements_to_fold.
6241 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
6243         * config.gcc: Mention libgcc/config.host.
6244         * Makefile.in: Update comments mentioning libgcc.
6245         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
6246         (all.cross, start.encap, rest.encap, rest.cross): Update
6247         dependencies for libgcc move.
6248         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
6249         (clean-target, clean-target-libgcc): Delete.
6250         (srcdirify, GCC_EXTRA_PARTS): New macros.
6251         (libgcc-support, libgcc.mvars): New rules.
6252         (distclean): Remove mention of mklibgcc.
6253         (install): Don't reference INSTALL_LIBGCC.
6254         (install-common): Don't reference EXTRA_PARTS.
6255         (install-libgcc, install-multilib): Delete rules.
6256         * mklibgcc.in: Delete file.
6257         * doc/configfiles.texi: Don't mention mklibgcc.
6259         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
6260         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
6261         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
6262         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
6263         (mklibgcc, ldblspecs): Likewise.
6265         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
6266         (posixpre.def): Use $(T).
6267         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
6268         (SHLIB_SRC, SHLIB_INSTALL): Delete.
6269         (SHLIB_LINK): Make dummy.
6270         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
6272         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
6274         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
6275         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
6276         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
6277         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
6279         * configure.ac (all_outputs): Remove mklibgcc.
6280         * configure: Regenerated.
6282 2007-01-03  Josh Conner  <jconner@apple.com>
6284         PR middle-end/29683
6285         * calls.c (compute_argument_addresses): Set stack and stack_slot
6286         for partial args, too.
6287         (store_one_arg): Use locate.size.constant for the size when
6288         generating a save_area.
6290 2007-01-03  Robert Kennedy <jimbob@google.com>
6292         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
6293         whose definitions are deleted due to basic block merging.
6295 2007-01-03  Paul Brook  <paul@codesourcery.com>
6297         PR target/16634
6298         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
6299         functions.
6300         (use_return_insn): Return 0 for Thumb interrupt functions.
6301         (print_multi_reg): Add rfe argument for IRQ returns.
6302         (arm_output_epilogue): Pop interrupt return address directly into PC.
6303         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
6305 2007-01-03  Paul Brook  <paul@codesourcery.com>
6307         Merge from sourcerygxx-4_1.
6308         * config/arm/thumb2.md: New file.
6309         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
6310         Thumb-2.
6311         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
6312         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6313         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
6314         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
6315         tables.
6316         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6317         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
6318         comptibility.
6319         * config/arm/ieee754-sf.S: Ditto.
6320         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
6321         (thumb1_base_register_rtx_p): ... to this.
6322         (thumb_index_register_rtx_p): Rename...
6323         (thumb1_index_register_rtx_p): ... to this.
6324         (thumb_output_function_prologue): Rename...
6325         (thumb1_output_function_prologue): ... to this.
6326         (thumb_legitimate_address_p): Rename...
6327         (thumb1_legitimate_address_p): ... to this.
6328         (thumb_rtx_costs): Rename...
6329         (thumb1_rtx_costs): ... to this.
6330         (thumb_compute_save_reg_mask): Rename...
6331         (thumb1_compute_save_reg_mask): ... to this.
6332         (thumb_final_prescan_insn): Rename...
6333         (thumb1_final_prescan_insn): ... to this.
6334         (thumb_expand_epilogue): Rename...
6335         (thumb1_expand_epilogue): ... to this.
6336         (arm_unwind_emit_stm): Rename...
6337         (arm_unwind_emit_sequence): ... to this.
6338         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
6339         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
6340         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
6341         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
6342         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
6343         thumb2_output_casesi): New functions.
6344         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
6345         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
6346         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
6347         THUMB2_WORK_REGS): Define.
6348         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
6349         arm_condexec_mask, arm_condexec_masklen)): New variables.
6350         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
6351         (arm_override_options): Check new CPU capabilities.
6352         Set new architecture flag variables.
6353         (arm_isr_value): Handle v7m interrupt functions.
6354         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
6355         Thumb-2.
6356         (const_ok_for_arm): Handle Thumb-2 constants.
6357         (arm_gen_constant): Ditto.  Use movw when available.
6358         (arm_function_ok_for_sibcall): Return false for v7m interrupt
6359         functions.
6360         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
6361         (thumb_find_work_register, arm_load_pic_register,
6362         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
6363         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
6364         print_multi_reg, output_mov_long_double_fpa_from_arm,
6365         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
6366         output_mov_double_fpa_from_arm, output_move_double,
6367         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
6368         output_return_instruction, arm_output_function_prologue,
6369         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
6370         arm_output_mi_thunk, thumb_set_return_address): Ditto.
6371         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
6372         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
6373         (arithmetic_instr, shift_op): Use arm_shift_nmem.
6374         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
6375         '!' and 'L'.
6376         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
6377         (thumb_expand_prologue): Use thumb_set_frame_pointer.
6378         (arm_file_start): Output directive for unified syntax.
6379         (arm_unwind_emit_set): Handle stack alignment instruction.
6380         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
6381         Add v6t2, v7, v7a, v7r and v7m.
6382         (RETLDM): Add Thumb-2 code.
6383         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
6384         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
6385         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
6386         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
6387         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
6388         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
6389         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
6390         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
6391         ADJUST_INSN_LENGTH): Define.
6392         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
6393         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
6394         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
6395         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
6396         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6397         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
6398         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
6399         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
6400         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
6401         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
6402         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
6403         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
6404         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
6405         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
6406         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
6407         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
6408         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
6409         cortex-m3.
6410         * config/arm/arm-tune.md: Regenerate.
6411         * config/arm/arm-protos.h: Update prototypes.
6412         * config/arm/vfp.md: Enable patterns for Thumb-2.
6413         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
6414         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
6415         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
6416         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
6417         * config/arm/libunwind.S: Add Thumb-2 code.
6418         * config/arm/constraints.md: Update include Thumb-2.
6419         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
6420         * config/arm/ieee754-df.S: Ditto.
6421         * config/arm/bpabi.S: Ditto.
6422         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
6423         * config/arm/predicates.md (low_register_operand,
6424         low_reg_or_int_operand, thumb_16bit_operator): New.
6425         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
6426         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
6427         * config/arm/t-arm-elf: Add armv7 multilib.
6428         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
6429         Include thumb2.md.
6430         (UNSPEC_STACK_ALIGN, ce_count): New.
6431         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
6432         arm_zero_extendsidi2, arm_zero_extendqidi2): New
6433         insns/expanders.
6434         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
6435         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
6436         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
6437         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
6438         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
6439         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
6440         insns.
6441         * doc/extend.texi: Document ARMv7-M interrupt functions.
6442         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
6444 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
6446         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
6447         (struct _Unwind_Context): Rename args_size to flags, remove
6448         signal_frame field, add a new args_size field and version field.
6449         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
6450         _Unwind_IsExtendedContext): New inline functions.
6451         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6452         Assume by_value array is only present if _Unwind_IsExtendedContext.
6453         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
6454         _Unwind_IsSignalFrame.
6455         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
6456         (uw_update_context_1): Use _Unwind_SetSignalFrame.
6457         (uw_init_context_1): Initialize context->flags to
6458         EXTENDED_CONTEXT_BIT.
6459         * config/rs6000/linux-unwind.h (frob_update_context): Use
6460         _Unwind_SetSignalFrame.
6462 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6464         PR middle-end/30353
6465         * gimplify.c (gimplify_modify_expr_complex_part): Move below
6466         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
6467         the value.
6469 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
6471         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
6472         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
6473         RET, AT_SP): Remove.
6474         * config/i386/i386.md (*sse_prologue_save_insn): Use return
6475         instead of RET.
6477         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6478         * cfgbuild.c (find_basic_blocks): Likewise.
6479         * cfgrtl.c (rtl_create_basic_block): Likewise.
6480         * function.c (temp_slots_at_level): Likewise.
6481         * reg-stack.c (stack_regs_mentioned): Likewise.
6482         * regclass.c (allocate_reg_info): Likewise.
6483         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6484         set_bb_for_stmt, move_block_to_fn): Likewise.
6485         * tree-complex.c (tree_lower_complex): Likewise.
6486         * vec.h (VEC_safe_grow_cleared): New.
6488         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
6490 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
6492         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
6493         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
6494         to loop_version.
6495         * cfgloopmanip.c (scale_loop_frequencies): Export.
6496         (loopify): Scale the frequencies by prescribed coefficients.
6497         (set_zero_probability): New function.
6498         (duplicate_loop_to_header_edge): Improve updating of frequencies.
6499         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
6500         and frequencies according to arguments.
6501         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
6502         correctly.
6503         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
6504         * modulo-sched.c (sms_schedule): Set probabilities for entering
6505         versioned loop correctly.
6506         * tree-vect-transform.c (vect_transform_loop): Ditto.
6507         * cfgloop.h (loopify, loop_version): Declaration changed.
6508         (scale_loop_frequencies): Declared.
6510 2007-01-02  Jan Hubicka  <jh@suse.cz>
6512         * cgraph.c: Include tree-flow.h
6513         (cgraph_add_new-function): Handle IPA_SSA mode; execute
6514         early_local_passes.
6515         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
6516         * tree-pass.h (pass_all_early_optimizations): Declare.
6517         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
6518         early_local_passes.
6519         (cgraph_analyze_function): Do early_local_passes.
6520         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6521         Do not add referenced vars.
6522         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
6523         SSA form.
6524         (gate_all_early_local_passes): New gate.
6525         (pass_early_local_passes): Use new gate.
6526         (execute_early_local_optimizations): New functions.
6527         (gate_all_early_optimizations): New gate.
6528         (pass_all_early_optimizations): New pass.
6529         (execute_free_datastructures): Free SSA only when initialized.
6530         (gate_init_datastructures): Init only when optimizing.
6531         (tree_lowering_passes): Do early local passes when called late.
6532         * tree-profile.c (do_tree_profiling): Don't profile functions added
6533         late.
6534         (do_early_tree_profiling, pass_early_tree_profile): Kill.
6535         * tree-cfg.c (update_modified_stmts): Do not update when operands are
6536         not active.
6537         * passes.c (init_optimizations_passes): Reorder so we go into SSA
6538         during early_local_passes.
6539         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
6542 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6544         * Makefile.in: Update copyright year.
6546 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6548         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
6549         in $(lang_checks) and check-consistency targets.
6551 2007-01-02  Jan Hubicka  <jh@suse.cz>
6553         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6554         Do not add referenced vars.
6555         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
6556         are not active.
6557         * passes.c (init_optimization_passes): Put mudflap_2 after
6558         free_datastructures.
6560 2007-01-02  Jan Hubicka  <jh@suse.cz>
6562         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
6563         Set NOTHROW flag on call statements proved to be nothrow.
6564         Update statement of local calls so new pure/const functions are
6565         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
6566         goto receivers.
6567         (tree_rest_of_compilation): Register hooks and initialize bitmap
6568         early. Do not set after_inlining flag.
6570 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
6572         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
6573         HOST_BITS_PER_LONGLONG
6575 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6577         PR c/19977
6578         * c-typeck.c (store_init_value): Don't emit pedantic overflow
6579         warning for non-static initializers.
6581 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
6583         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
6584         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
6585         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
6586         Always use set_unique_reg_note to add REG_EQUAL notes.
6588 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6590         Revert:
6591         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6593         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6594         * cfgbuild.c (find_basic_blocks): Likewise.
6595         * cfgrtl.c (rtl_create_basic_block): Likewise.
6596         * function.c (temp_slots_at_level): Likewise.
6597         * reg-stack.c (stack_regs_mentioned): Likewise.
6598         * regclass.c (allocate_reg_info): Likewise.
6599         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6600         set_bb_for_stmt, move_block_to_fn): Likewise.
6601         * tree-complex.c (tree_lower_complex): Likewise.
6602         * vec.h (VEC_safe_grow_cleared): New.
6604 2007-01-02  Ian Lance Taylor  <iant@google.com>
6606         * c-common.c (c_common_truthvalue_conversion): When warning about
6607         using an assignment as a truth value, set TREE_NO_WARNING.
6609 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6611         PR middle-end/7651
6612         * c.opt (Wold-style-declaration): New.
6613         * doc/invoke.texi (C-only Warning Options): New.
6614         (Wold-style-declaration): Document it.
6615         (Wextra): Enabled by -Wextra.
6616         * c-opts.c (c_common_post_options): Enabled by -Wextra.
6617         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
6618         -Wold-style-declaration.
6620 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6622         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6623         * cfgbuild.c (find_basic_blocks): Likewise.
6624         * cfgrtl.c (rtl_create_basic_block): Likewise.
6625         * function.c (temp_slots_at_level): Likewise.
6626         * reg-stack.c (stack_regs_mentioned): Likewise.
6627         * regclass.c (allocate_reg_info): Likewise.
6628         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6629         set_bb_for_stmt, move_block_to_fn): Likewise.
6630         * tree-complex.c (tree_lower_complex): Likewise.
6631         * vec.h (VEC_safe_grow_cleared): New.
6633 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
6635         * c-common.c (c_common_nodes_and_builtins): Since variants of
6636         void_type_node get built before it is given a name, we need to
6637         give those variants the name, too.
6638         (complete_array_type): We need to work with the canonical main
6639         type of the array, from which we will build the qualified version.
6640         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
6641         * print-tree.c (print_node): Display canonical type information
6642         for each type.
6643         * stor-layout.c (layout_type): When we don't know the
6644         alignment of a type for which we're building an array, we end up
6645         guessing wrong, so make the type require structural equality.
6646         * tree.c (make_node_stat): When we build a new type, it is its
6647         own canonical type.
6648         (build_type_attribute_qual_variant): When building an attribute
6649         variant, its canonical type is the non-attribute variant. However,
6650         if the attributes are target-dependent and they differ, we need to
6651         use structural equality checks for this type.
6652         (build_qualified_type): A qualified type is not equivalent to its
6653         unqualified variant; set the canonical type appropriately.
6654         (build_distinct_type_copy): When building a distinct type from
6655         another type, the new type is its own canonical type.
6656         (build_variant_type_copy): When building a new type variant, we
6657         assume that it is equivalent to the original type.
6658         (build_pointer_type_for_mode): When building a pointer type, also
6659         build a canonical type pointer.
6660         (build_reference_type_for_mode): When building a reference type,
6661         also build a canonical type reference.
6662         (build_index_type): When we can't hash an index type (e.g.,
6663         because its maximum value is negative), the index type requires
6664         structural equality tests.
6665         (build_array_type): Build the canonical form of an array type.
6666         (build_function_type): Function types require structural equality,
6667         because they contain default arguments, attributes, etc.
6668         (build_method_type_directly): Ditto for method types.
6669         (build_offset_type): Build the canonical offset type.
6670         (build_complex_type): Build the canonical vector type.
6671         (make_vector_type): Build the canonical vector type.
6672         * tree.h (TYPE_CANONICAL): New.
6673         (TYPE_STRUCTURAL_EQUALITY_P): New.
6674         (SET_TYPE_STRUCTURAL_EQUALITY): New.
6675         (struct tree_type): Added "canonical" field.
6676         * params.h (VERIFY_CANONICAL_TYPES): New.
6677         * doc/c-tree.texi (TYPE_CANONICAL): Document.
6678         (TYPE_STRUCTURAL_EQUALITY_P): Document.
6679         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
6680         * doc/invoke.texi (verify-canonical-types): Document --param
6681         parameter for verifying canonical types.
6683 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6685         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
6686         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
6687         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
6688         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
6689         tm_file.
6690         * config/rs6000/e500.h: New.
6691         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
6692         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
6693         Remove.
6694         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
6695         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
6696         TARGET_E500_DOUBLE): Remove.
6697         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
6698         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
6699         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
6700         * config/rs6000/rs6000.c (rs6000_override_options): Use
6701         CHECK_E500_OPTIONS.
6703 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6705         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
6706         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
6707         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
6708         rs6000_emit_cmove): Don't check TARGET_E500.
6709         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
6710         sordered): Don't check TARGET_E500.
6712 2007-01-01  Eric Christopher  <echristo@apple.com>
6714         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
6715         HARD_REGISTER_NUM_P.
6717 2007-01-01  Roger Sayle  <roger@eyesopen.com>
6719         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
6720         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
6721         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
6722         eq/ne Y".
6724 2007-01-01  Mike Stump  <mrs@apple.com>
6726         * configure.ac: Remove support for building with Apple's gcc-3.1.
6728 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6730         PR middle-end/30311
6731         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
6732         REG is a hard register.  Do not modify REG before calling
6733         subreg_nregs.
6734         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
6735         multiple of the size of YMODE for certain lowpart cases.
6737 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6739         PR middle-end/30253
6740         * gimplify (voidify_wrapper_expr): Update for
6741         GIMPLE_MODIFY_STMT.
6743 2007-01-01  Andreas Schwab  <schwab@suse.de>
6745         PR target/29166
6746         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6747         save of BR0 in extra_spill_size instead of spill_size.
6748         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6749         area.
6750         (ia64_expand_epilogue): Restore BR0 from its new location.
6752 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6754         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6755         Use a temporary variable if the left hand side is not a gimple
6756         register.
6758 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6760         * gimplify.c (gimplify_return_expr): Make the temporary variable
6761         for the return expression, a gimple register variable.
6763 2007-01-01  Jan Hubicka  <jh@suse.cz>
6765         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6766         INSN_LIST.
6768 2007-01-01  Mike Stump  <mrs@apple.com>
6770         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6771         .literal16.
6772         * config/darwin.c (machopic_select_rtx_section): Use
6773         HAVE_GAS_LITERAL16.
6774         (darwin_mergeable_constant_section): Likewise.
6775         * configure: Regenerate.
6776         * config.in: Regenerate.
6778 2007-01-01  Jan Hubicka  <jh@suse.cz>
6779             Andrew Pinski  <pinskia@gmail.com>
6781         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6782         before starting IPA passes.