* tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
[official-gcc.git] / gcc / ChangeLog
blobe835441970b1eee7057eb5b5e985bfdf2287dd45
1 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
3         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
4         off-by-one error.
5         (array_at_struct_end_p): New function.
6         (idx_infer_loop_bounds): Use it.
7         (estimate_numbers_of_iterations_loop): Export.
8         * predict.c (predict_loops): Use estimated_loop_iterations_int.
9         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
10         (tree_estimate_probability): Call record_loop_exits.
11         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
12         (estimated_loop_iterations, estimated_loop_iterations_int,
13         estimated_loop_iterations_tree): New functions.
14         (analyze_siv_subscript_cst_affine,
15         compute_overlap_steps_for_affine_1_2,
16         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
17         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
18         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
19         (PRED_LOOP_ITERATIONS_GUESSED): New.
20         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
21         * cfgloop.h (estimate_numbers_of_iterations_loop,
22         estimated_loop_iterations_int): Declare.
24 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
26         * doc/extend.texi: Document optional priority argument to
27         constructors and destructors.
28         * tree.c (init_priority_for_decl): Adjust GTY markers.
29         (init_ttree): Use priority-info hash functions for
30         init_priority_for_decl.
31         (tree_map_eq): Rename to ...
32         (tree_map_base_eq): ... this.
33         (tree_map_marked_p): Rename to ...
34         (tree_map_base_marked_p): ... this.
35         (tree_map_base_hash): New function.
36         (decl_init_priority_lookup): Rework.
37         (decl_fini_priority_lookup): New function.
38         (decl_priority_info): New function.
39         (decl_init_priority_insert): Use it.
40         (decl_fini_priority_insert): Likewise.
41         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
42         hierarchy.
43         (decl_restrict_base_insert): Likewise.
44         (decl_debug_expr_insert): Likewise.
45         (decl_value_expr_lookup): Likewise.
46         (decl_value_expr_insert): Likewise.
47         * tree.h (priority_type): New type.
48         (decl_init_priority_lookup): Use priority_type.
49         (decl_fini_priority_lookup): New function.
50         (decl_init_priority_insert): Use priority_type.
51         (decl_fini_priority_insert): New function.
52         (DECL_HAS_INIT_PRIORITY): Tweak comments.
53         (DECL_INIT_PRIORITY): Likewise.
54         (SET_DECL_INIT_PRIORITY): Add comment.
55         (DECL_FINI_PRIORITY): New macro.
56         (SET_DECL_FINI_PRIORITY): Likewise.
57         (DEFAULT_INIT_PRIORITY): Document.
58         (MAX_INIT_PRIORITY): Likewise.
59         (MAX_RESERVED_INIT_PRIORITY): Likewise.
60         (tree_map_base): New type.
61         (tree_map_base_eq): New function.
62         (tree_map_base_hash): Likewise.
63         (tree_map_base_marked_p): Likewise.
64         (tree_map): Inherit from tree_map_base.
65         (tree_map_eq): Make it a macro.
66         (tree_map_marked_p): Likewise.
67         (tree_int_map): Inherit from tree_map_base.
68         (tree_int_map_eq): Make it a macro.
69         (tree_int_map_hash): Likewise.
70         (tree_int_map_marked_p): Likewise.
71         (tree_priority_map): New type.
72         (tree_priority_map_eq): New macro.
73         (tree_priority_map_hash): Likewise.
74         (tree_priority_map_marked_p): Likewise.
75         * varasm.c (emults_decl): Adjust for refactoring of tree_map
76         hierarchy.
77         (emutls_common_1): Likewise.
78         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
79         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
80         of tree_map hierarchy.
81         * tree-cfg.c (move_stmt_r): Likewise.
82         (new_label_mapper): Likewise.
83         * c-tree.h (c_expand_body): Move to ...
84         * c-common.h (c_expand_body): ... here.
85         * c-decl.c (c_expand_body): Move to ...
86         * c-common.c (c_expand_body): ... here.
87         (c_common_attribute_table): Allow 1 argument for the constructor
88         and destructor attributes.
89         (get_priority): New function.
90         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
91         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
93 2007-02-24  Jan Hubicka  <jh@suse.cz>
95         PR middle-end/30509
96         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
98 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
99             Jan Hubicka  <jh@suse.cz>
101         PR target/30778
102         * i386.c (counter_mode): New function.
103         (expand_set_or_movmem_via_loop): Use it.
104         (expand_movmem_epilogue): Likewise; fix pasto.
105         (ix86_expand_movmem): Do emit guard even for constant counts.
106         (ix86_expand_setmem): Likewise.
108 2007-02-25  Nick Clifton  <nickc@redhat.com>
110         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
111         (JUMP_TABLES_IN_TEXT_SECTION): Define.
113 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
115         PR target/30770
116         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
117         count argument with 0x10, not with 0x16.
118         (expand_setmem_epilogue): Ditto.
120 2007-02-24  Mike Stump  <mrs@apple.com>
122         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
123         symbols.
125 2007-02-24  Richard Guenther  <rguenther@suse.de>
127         PR middle-end/30951
128         * fold-const.c (fold_binary): Fold x +- CST op x for
129         EQ_EXPR and NE_EXPR.
131 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
133         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
135 2007-02-24  Jan Hubicka  <jh@suse.cz>
137         * cgraphunit.c (decide_is_function_needed): Honor
138         -fkeep-inline-functions.
140 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
142         * builtins.c (fold_builtin_modf): New.
143         (fold_builtin_2): Use it.
145 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
147         * loop-iv.c (implies_p): Detect additional cases where A implies B.
148         (determine_max_iter): Take additional LOOP arg; all callers changed.
149         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
150         one using simplifications.
151         (simplify_using_initial_values): Return if the expression becomes
152         invalid due to altered regs.
154 2007-02-23  DJ Delorie  <dj@redhat.com>
156         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
158 2007-02-23  Mike Stump  <mrs@apple.com>
160         * tlink.c (scan_linker_output): Parse linker messages from
161         darwin9's linker better.
163 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
165         PR debug/29614
166         * varpool.c (varpool_assemble_pending_decls):  Set
167         varpool_last_needed_node to null.
169 2007-02-23  DJ Delorie  <dj@redhat.com>
171         * config/i386/i386.c (ix86_data_alignment): Don't specify an
172         alignment bigger than the object file can handle.
174 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
176         PR target/30825
177         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
178         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
179         (*movsf_1): Penalize MMX moves.
181 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
183         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
184         2^32-1 or more times unless flag_unsafe_loop_optimizations.
186         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
188 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
190         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
191         (fold_builtin_1): Use them.
192         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
193         BUILT_IN_SIGNIFICAND.
195 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
197         * config/i386/i386.c (bdesc_1arg): Initialize
198         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
199         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
200         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
201         and IX86_BUILTIN_MOVSLDUP.
203 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
205         PR rtl-optimization/30841
206         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
208 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
210         * builtins.c (fold_builtin_frexp): New.
211         (fold_builtin_2): Use it.
213 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
215         * doc/invoke.texi (Spec Files): Document getenv spec function.
217         * gcc.c (getenv_spec_function): New function.
218         (static_spec_functions): Add it.
219         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
220         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
221         header files.
223 2007-02-22  Michael Matz  <matz@suse.de
225         PR c++/29433
226         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
227         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
229 2007-02-22  Ian Lance Taylor  <iant@google.com>
231         PR debug/30898
232         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
233         (mem_loc_descriptor): Call it.
235 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
236             Ira Rosen  <irar@il.ibm.com>
238         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
240 2007-02-22  Ira Rosen  <irar@il.ibm.com>
242         PR tree-optimization/30843
243         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar 
244         stores only after all the group is vectorized.
246 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
248         PR tree-optimization/30858
249         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
250         in the reduction cycle have a single use in the loop.
251         * tree-vectorizer.h (relevant): Add documentation.
253 2007-02-20  Mike Stump  <mrs@apple.com>
255         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
256         * configure: Regenerate.
258 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
260         Change the defaults of some parameters and options.
261         * config/spu/spu-protos.h (spu_optimization_options): Declare.
262         * config/spu/spu.c (spu_optimization_options): Add.
263         (spu_override_options): Change params in spu_optimization_options.
264         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
266         Register 127 is only 16 byte aligned when used as a frame pointer.
267         * config/spu/spu-protos.h (spu_init_expanders): Declare.
268         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
269         HARD_FRAME_POINTER_REGNUM.
270         (spu_legitimate_address):  Use regno_aligned_for_reload.
271         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
272         aligned when frame_pointer_needed is true.
273         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
274         to 8 bits.
275         * config/spu/spu.h (INIT_EXPANDERS): Define.
277         Make sure shift and rotate instructions have valid immediate operands.
278         * config/spu/predicates.md (spu_shift_operand): Remove.
279         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
280         * config/spu/constraints.md (W, O): Extend range.
281         * config/spu/spu.md (umask, nmask): Define.
282         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
283         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
284         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
285         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
286         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
287         (lshr<mode>3_reg):  Fix rtl description.
289         Make sure mulhisi immediate operands are valid.
290         * config/spu/predicates.md (imm_K_operand): Add.
291         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
293         Generate constants using fsmbi and andi.
294         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
295         (print_operand, spu_split_immediate, classify_immediate,
296         fsmbi_const_p): Handle IC_FSMBI2.
298         Correctly handle a CONST_VECTOR containing symbols.
299         * config/spu/spu.c (print_operand): Handle HIGH correctly.
300         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
301         (immediate_load_p): Allow symbols that use 2 instructions to create.
302         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
303         with symbols when flag_pic is set.
304         (const_vector_immediate_p): New.
305         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
306         accept a CONST_VECTOR with symbols.
307         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
308         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
309         correctly.
310         * config/spu/spu.md (high, low): Delete.
311         (low_<mode>): Define.
313         Remove INTRmode and INTR_REGNUM, which didn't work.
314         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
315         of INTR_REGNUM.
316         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
317         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
318         peephole2 pattern): Don't use INTR or 131.
319         (movintrcc): Delete.
320         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
321         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
322         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
323         (UNSPEC_SET_INTR): Add.
324         * config/spu/spu-modes.def (INTR): Remove.
326         More accurate warnings about run-time relocations.
327         * config/spu/spu.c (reloc_diagnostic): Test in_section.
329         Correctly warn about immediate arguments to specific intrinsics.
330         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
331         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
332         the instruction predicate.
334         Fix tree check errors with latest update.
335         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
336         CALL_EXPR_ARG.
337         (spu_expand_builtin): Use CALL_EXPR_FN.
339         Add missing specific intrinsics.
340         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
341         si_bislede.
342         * config/spu/spu_internals.h: Ditto.
344         Fix incorrect operand modifiers.
345         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
346         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
348         Optimize one case of zero_extend of a vec_select.
349         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
351         Accept any immediate for hbr.
352         * config/spu/spu.md (hbr):  Change s constraints to i.
354 2007-02-21  Paul Brook  <paul@codesourcery.com>
356         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
357         condexec_count when skipping USE and CLOBBER.
359 2007-02-21  Nick Clifton  <nickc@redhat.com>
361         * common.opt (Warray-bounds): Add Warning attribute.
362         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
363         Likewise.
364         (fsized-zeroes): Add Optimization attribute.
365         (fsplit-wide-types, ftree-scev-cprop): Likewise.
366         * c.opt (Wc++0x-compat): Add Warning attribute.
368 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
370         PR middle-end/30761
371         * reload1.c (eliminate_regs_in_insn): In the single_set special
372         case, attempt to re-recognize the insn before falling back to
373         having reload fix it up.
375 2007-02-20  Eric Christopher  <echristo@gmail.com>
377         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
378         Rewrite accordingly.
379         (frv_read_iacc_argument): Ditto.
380         (frv_expand_set_builtin): Take a call instead of arglist, update for
381         above changes.
382         (frv_expand_unop_builtin): Ditto.
383         (frv_expand_binop_builtin): Ditto.
384         (frv_expand_cut_builtin): Ditto.
385         (frv_expand_binopimm_builtin): Ditto.
386         (frv_expand_voidbinop_builtin): Ditto.
387         (frv_expand_int_void2arg): Ditto.
388         (frv_expand_prefetches): Ditto.
389         (frv_expand_voidtriop_builtin): Ditto.
390         (frv_expand_voidaccop_builtin): Ditto.
391         (frv_expand_load_builtin): Ditto.
392         (frv_expand_store_builtin): Ditto.
393         (frv_expand_mdpackh_builtin): Ditto.
394         (frv_expand_mclracc_builtin): Ditto.
395         (frv_expand_mrdacc_builtin): Ditto.
396         (frv_expand_mwtacc_builtin): Ditto.
397         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
398         calls for above.
400 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
402         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
403         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
404         cmpb instruction.
405         (HAVE_GAS_DFP): Check for assembler support of decimal floating
406         point instructions.
407         * configure: Regenerate.
408         * config.in: Regenerate.
409         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
410         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
411         masks to power6 and power6x and to POWERPC_MASKS.
412         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
413         _ARCH_PWR6.
414         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
415         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
416         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
417         Access PROTOTYPE as variable, not mask.
419 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
421         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
422         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
423         * combine.c (adjust_for_new_dest): Use it.
424         * postreload.c (reload_combine): Likewise.
426 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
428         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
429         notes on an insn with multiple sets, even if single_set returns
430         non-NULL for that insn.
432 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
434         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
435         scalbn and scalbln.
437 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
439         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
440         if user didn't pass it.
441         * config/i386/darwin.h (CC1_SPEC): Likewise.
442         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
443         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
444         -mmacosx-version-min.
446 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
447             Uros Bizjak  <ubizjak@gmail.com>
449         * optabs.h (enum optab_index): Add new OTI_scalb.
450         (scalb_optab): Define corresponding macro.
451         * optabs.c (init_optabs): Initialize scalb_optab.
452         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
453         patterns.
454         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
455         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
456         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
457         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
458         flag_unsafe_math_optimizations is set.
460         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
461         to implement scalbf, scalb and scalbl built-ins as inline x87
462         intrinsics.
464 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
465             DJ Delorie <dj@redhat.com>
467         PR other/30824
468         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
469         (diagnostic_report_diagnostic): ... here, and turn them into real
470         errors. If warnings are inhibited, no need to do anything.
472 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
474         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
475         better code generation.
477 2007-02-20  Ben Elliston  <bje@au.ibm.com>
479         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
481 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
483         * config/alpha/alpha.c, config/alpha/alpha.md,
484         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
485         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
486         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
487         config/arm/lib1funcs.asm: Follow spelling conventions.
489         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
490         config/fr30/fr30.md, config/i386/i386.h,
491         config/iq2000/iq2000.h, config/iq2000/predicates.md,
492         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
493         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
494         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
495         config/rs6000/altivec.md, config/rs6000/rs6000.c,
496         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
497         config/sparc/sparc.c, config/sparc/sparc.h,
498         config/sparc/sparc.md, config/spu/constraints.md,
499         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
500         conventions.
502 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
504         PR target/29943
505         * varasm.c (use_blocks_for_decl_p): Return false for decls with
506         alias attribute.
508 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
510         * doc/invoke.texi (-ftree-lrs): Remove.
512 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
514         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
515         NULL.
517 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
519         * config/ia64/ia64.c (ia64_expand_builtin): Use the
520         new CALL_EXPR_FN macro for retrieving the function
521         declaration of the input expression.
523 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
525         * c.opt (Waddress): New.
526         * common.opt (Walways-true): Delete.
527         (Wstring-literal-comparison): Delete.
528         * doc/invoke.texi (Warning Options): Delete -Walways-true and
529         -Wstring-literal-comparison. Add -Waddress.
530         (Waddress): New.
531         (Walways-true): Delete.
532         (Wstring-literal-comparison): Delete.
533         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
534         consistently instead of -Walways-true in example.
535         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
536         * c-typeck.c (parser_build_binary_op): Replace
537         -Wstring-literal-comparison and -Walways-true with -Waddress.
538         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
539         with -Waddress.
541 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
543         * tree-cfg.c (dump_function_to_file): Be prepared for functions
544         without DECL_STRUCT_FUNCTION initialized.
546 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
548         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
549         due to calls to functions taking pointers as parameters.
551 2007-02-19  Richard Henderson  <rth@redhat.com>
553         PR debug/29558
554         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
555         in memory.
557 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
559         * config/s390/s390.c (s390_call_saved_register_used,
560         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
561         accessed to the new scheme.
563 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
565         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
566         (cris_print_index, cris_print_operand, cris_print_operand_address)
567         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
568         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
569         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
570         GET_CODE () == xxx.
571         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
572         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
573         GO_IF_LEGITIMATE_ADDRESS): Ditto.
574         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
575         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
576         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
577         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
578         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
579         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
580         (uminsi3, call, call_value): Ditto.
581         (define_split: indir_to_reg_split, unnamed): Ditto.
583 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
585         PR tree-optimization/30975
586         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
587         wrong assert.
589 2007-02-18  Eric Christopher  <echristo@gmail.com>
591         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
592         Remove use of arglist.
593         (mips_expand_builtin): Remove use of arglist, pass in expr.
594         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
595         (mips_expand_builtin_movtf): Ditto.
596         (mips_expand_builtin_compare): Ditto.
598 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
600         * tree-sra.c (sra_build_assignment): Replace assertion
601         checking with a comment explaining why it can't be done.
603 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
605         PR middle-end/30833
606         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
607         during CALL_EXPR representation conversion.
608         * tree-ssa-propagate.c (set_rhs): Likewise.
610 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
612         * tree-sra.c (sra_build_assignment): Disable assertion checking
613         for now.
615 2007-02-18  Roger Sayle  <roger@eyesopen.com>
617         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
618         instead of calling build2 with a GIMPLE_MODIFY_STMT.
619         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
620         Likewise.
621         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
622         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
623         gimplify_init_ctor_eval_range, gimple_push_cleanup,
624         gimplify_omp_for, gimplify_omp_atomic_pipeline,
625         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
626         force_gimple_operand): Likewise.
627         * ipa-cp.c (constant_val_insert): Likewise.
628         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
629         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
630         perfect_nestify): Likewise.
631         * langhooks.c (lhd_omp_assignment): Likewise.
632         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
633         lower_copyprivate_clauses, lower_send_clauses,
634         lower_send_shared_vars, expand_parallel_call,
635         expand_omp_for_generic, expand_omp_for_static_nochunk,
636         expand_omp_for_static_chunk, expand_omp_sections,
637         lower_omp_single_copy, lower_omp_for_lastprivate,
638         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
639         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
640         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
641         Likewise.
643 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
645         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
646         config/sh/sh.md: Follow spelling conventions.
648         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
649         config/frv/predicates.md: Follow spelling conventions.
651         * config/m68k/linux-unwind.h: Fix a comment typo.
652         * target.h: Follow spelling conventions.
654 2007-02-18  Roger Sayle  <roger@eyesopen.com>
656         PR rtl-optimization/28173
657         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
658         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
659         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
660         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
661         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
663 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
665         * builtins.c (fold_builtin_load_exponent): New.
666         (fold_builtin_2): Use it.
668 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
670         PR rtl-optimization/30773
671         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
672         if we fail to attach a REG_EQUIV note.
674 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
675             Roger Sayle  <roger@eyesopen.com>
677         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
679 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
681         * calls.c (initialize_argument_information): Pass original EXP
682         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
683         code to split complex arguments here, as part of initializing the
684         ARGS array.
685         (expand_call): Remove code that builds a list of arguments and
686         inserts implicit arguments into it.  Instead, just count how many
687         implicit arguments there will be so we can determine the size of
688         the ARGS array, and let initialize_argument_information do the work.
689         (split_complex_values): Delete unused function.
691 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
693         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
695 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
697         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
698         for arg pointer based indexed addressing.
700 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
702         * config/ia64/ia64.h, config/ia64/ia64.md,
703         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
704         spelling conventions.
706 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
708         * config/m68k/m68k.c (split_di): New.
709         * config/m68k/m68k-protos.h: Declare split_di.
710         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
711           Improve predicate handling and split constant shifts.
713 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
715         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
716         parameter for register bitfield operations, general predicates
717         cleanup
719 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
721         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
722         * config/m68k/linux-unwind.h: New file.
724 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
726         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
727         config/i386/athlon.md, config/ia64/ia64.md,
728         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
729         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
730         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
731         tree-ssa-loop-niter.c, tree-vect-analyze.c,
732         tree-vect-transform.c: Fix comment typos.
734 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
736         * sched-deps.c (find_insn_list): Remove.
737         * sched-int.h: Remove the prototype for find_insn_list.
739 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
741         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
742         to linker.
743         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
744         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
745         darwin_rs6000_override_options.
746         (C_COMMON_OVERRIDE_OPTIONS): Expect
747         darwin_macosx_version_min to be non-NULL always.
748         (TARGET_C99_FUNCTIONS): Likewise.
749         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
750         (DARWIN_MINVERSION_SPEC): New.
751         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
752         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
753         to cc1*.
754         (DARWIN_MINVERSION_SPEC): New.
755         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
756         value.
757         * config/darwin-c.c (darwin_cpp_builtins): Expect
758         darwin_macosx_version_min to be non-NULL always.
760         * config/rs6000/rs6000.c: Clean up trailing whitespace.
762 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
764         * config/i386/i386.h (x86_use_xchgb): New.
765         (TARGET_USE_XCHGB): New macro.
766         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
767         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
768         Split after reload into bswaphi for shifts of 8.
769         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
770         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
771         or when optimizing for size.
773 2007-02-16  Richard Guenther  <rguenther@suse.de>
774             Christian Bruel  <christian.bruel@st.com>
776         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
777         DECLs but prefer SSA_NAMEs over DECLs.
779 2007-02-16  Richard Guenther  <rguenther@suse.de>
781         * tree-flow-inline.h (single_imm_use_p): Remove.
782         (zero_imm_uses_p): Likewise.
783         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
784         instead of single_imm_use_p.
785         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
786         zero_imm_uses_p.
788 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
790         PR other/27843
791         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
792         nested double- and backquotes.
794 2007-02-15  Roger Sayle  <roger@eyesopen.com>
796         PR middle-end/30391
797         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
798         should be unreachable.
799         (build2_stat): Allow construction of MODIFY_EXPR at any time.
800         For the time being redirect GIMPLE_MODIFY_STMT to the new
801         (renamed) build_gimple_modify_stmt_stat.
802         (build2_gimple_stat): Rename to...
803         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
804         Always build a GIMPLE_MODIFY_STMT node.
805         * tree.h (build2_gimple, build2_gimple_stat): Delete.
806         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
807         declarations.
809         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
810         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
811         * tree-complex.c (set_component_ssa_name, expand_complex_move,
812         expand_complex_div_wide): Likewise.
813         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
814         * tree-ssa-loop-im.c (schedule_sm): Likewise.
815         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
816         * tree-ssa-loop-manip.c (create_iv): Likewise.
817         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
818         abs_replacement): Likewise.
819         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
820         realify_fake_stores): Likewise.
822         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
823         node rather than a GIMPLE_MODIFY_STMT node.
824         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
825         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
826         Likewise.
827         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
828         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
829         GIMPLE_MODIFY_STMT.
831 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
833         PR middle-end/30433
834         * fold-const.c (fold_comparison): Add back the
835         folding of constant complex comparisions.
837 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
839         PR middle-end/30729
840         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
841         effects unknown to this function, return early.
843 2007-02-15  Ian Lance Taylor  <iant@google.com>
845         * lower-subreg.c (move_eh_region_note): New static function.
846         (resolve_simple_move): Call it.
847         (decompose_multiword_subregs): Track blocks for which we resolve a
848         simple move which is also a control flow insn.  Pass them to
849         find_many_sub_basic_blocks.
850         (pass_lower_subreg): Add TODO_verify_flow.
851         (pass_lower_subreg2): Likewise.
853 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
854             Brooks Moses  <brooks.moses@codesourcery.com>
855             Lee Millward  <lee.millward@codesourcery.com>
857         * tree.h (enum tree_code_class): Add tcc_vl_exp.
858         (VL_EXP_CLASS_P): New.
859         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
860         TREE_CODE_LENGTH.
861         (TREE_OPERAND_CHECK_CODE): Likewise.
862         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
863         (TREE_RTL_OPERAND_CHECK): Likewise.
864         (tree_operand_check_failed): Make second parameter the whole tree
865         instead of its code.  Fixed callers.
866         (VL_EXP_CHECK): New.
867         (TREE_OPERAND_LENGTH): New.
868         (VL_EXP_OPERAND_LENGTH): New.
869         (CALL_EXPR_FN): New.
870         (CALL_EXPR_STATIC_CHAIN): New.
871         (CALL_EXPR_ARGS): New.
872         (CALL_EXPR_ARG): New.
873         (call_expr_nargs): New.
874         (CALL_EXPR_ARGP): New.
875         (build_nt_call_list): Declare.
876         (build_vl_exp_stat): Declare.
877         (build_vl_exp): New.
878         (build_call_list): Declare.
879         (build_call_nary): Declare.
880         (build_call_valist): Declare.
881         (build_call_array): Declare.
882         (call_expr_arg): Declare.
883         (call_expr_argp): Declare.
884         (call_expr_arglist): Declare.
885         (fold_build_call_list): Declare.
886         (fold_build_call_list_initializer): Declare.
887         (fold_call_expr): Declare to replace fold_builtin.
888         (fold_builtin_fputs): Update to agree with modified definition.
889         (fold_builtin_strcpy): Likewise.
890         (fold_builtin_strncpy): Likewise.
891         (fold_builtin_memory_chk): Likewise.
892         (fold_builtin_stxcpy_chk): Likewise.
893         (fold_builtin_strncpy_chk): Likewise.
894         (fold_builtin_next_arg): Likewise.
895         (fold_build_call_expr): Declare.
896         (fold_builtin_call_list): Declare.
897         (fold_builtin_call_valist): Declare.
898         (build_call_expr): Declare.
899         (validate_arglist): Update to agree with modified definition.
900         (tree_operand_length): New.
901         (call_expr_arg_iterator): New.
902         (init_call_expr_arg_iterator): New.
903         (next_call_expr_arg): New.
904         (first_call_expr_arg): New.
905         (more_call_expr_args_p): New.
906         (FOR_EACH_CALL_EXPR_ARG): New.
908         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
909         and tcc_gimple_stmt.
910         (tree_code_size): Update documentation.  Use sizeof (tree) rather
911         than sizeof (char *).
912         (tree_size): Likewise.  Add case for tcc_vl_exp.
913         (tree_node_structure): Add case for tcc_vl_exp.
914         (contains_placeholder_p): Likewise.
915         (substitute_in_expr): Likewise.
916         (substitute_placeholder_in_expr): Likewise.
917         (stabilize_reference_1): Likewise.
918         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
919         to diagnose breakage of this interface for constructing CALL_EXPRs.
920         (build_nt): Add similar assertion here.
921         (build_nt_call_list): New.
922         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
923         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
924         TREE_CODE_LENGTH.
925         (get_callee_fndecl): Use new CALL_EXPR accessors.
926         (tree_operand_check_failed): Change parameters to pass entire node
927         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
928         (process_call_operands): New.
929         (build_vl_exp_stat): New.
930         (build_call_list): New.
931         (build_call_nary): New.
932         (build_call_valist): New.
933         (build_call_array): New.
934         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
935         (call_expr_arglist): New.
937         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
938         tcc_vl_exp instead of a fixed-size tcc_expression.
940         * doc/c-tree.texi (CALL_EXPR): Document new representation and
941         accessors for CALL_EXPRs.
942         (AGGR_INIT_EXPR): Likewise.
944 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
945             Brooks Moses  <brooks.moses@codesourcery.com>
946             Lee Millward  <lee.millward@codesourcery.com>
948         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
949         (expand_builtin_nonlocal_goto): Change parameter to be entire
950         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
951         (expand_builtin_prefetch): Likewise.
952         (expand_builtin_classify_type): Likewise.
953         (mathfn_built_in): Return NULL_TREE instead of 0.
954         (expand_errno_check): Use new CALL_EXPR accessors.
955         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
956         Return NULL_RTX instead of 0.
957         (expand_builtin_mathfn_2): Likewise.
958         (expand_builtin_mathfn_3): Likewise.
959         (expand_builtin_interclass_mathfn): Likewise.
960         (expand_builtin_sincos): Likewise.
961         (expand_builtin_cexpi): Likewise.
962         (expand_builtin_int_roundingfn): Likewise.
963         (expand_builtin_int_roundingfn_2): Likewise.
964         (expand_builtin_pow): Likewise.
965         (expand_builtin_powi): Likewise.
966         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
967         of arglist, fixing callers appropriately.  Use new CALL_EXPR
968         accessors and constructors.  Return NULL_RTX instead of 0.
969         (expand_builtin_strstr): Likewise.
970         (expand_builtin_strchr): Likewise.
971         (expand_builtin_strrchr): Likewise.
972         (expand_builtin_strpbrk): Likewise.
973         (expand_builtin_memcpy): Likewise.
974         (expand_builtin_mempcpy): Likewise.
975         (expand_builtin_mempcpy_args): New.
976         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
977         (expand_builtin_memmove_args): New.
978         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
979         (expand_movstr): Likewise.
980         (expand_builtin_strcpy): Likewise.
981         (expand_builtin_strcpy_args): New.
982         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
983         (expand_builtin_strncpy): Likewise.
984         (expand_builtin_memset): Likewise.
985         (expand_builtin_memset_args): New.
986         (expand_builtin_bzero): Similarly to expand_builtin_memset.
987         (expand_builtin_memcmp): Likewise.
988         (expand_builtin_strcmp): Likewise.
989         (expand_builtin_strncmp): Likewise.
990         (expand_builtin_strcat): Likewise.
991         (expand_builtin_strncat): Likewise.
992         (expand_builtin_strspn): Likewise.
993         (expand_builtin_strcspn): Likewise.
994         (expand_builtin_args_info): Likewise.
995         (expand_builtin_va_start): Likewise.
996         (gimplify_va_arg_expr): Likewise.
997         (expand_builtin_va_end): Likewise.
998         (expand_builtin_va_copy): Likewise.
999         (expand_builtin_frame_address): Likewise.
1000         (expand_builtin_alloca): Likewise.
1001         (expand_builtin_bswap): Likewise.
1002         (expand_builtin_unop): Likewise.
1003         (expand_builtin_fputs): Likewise.
1004         (expand_builtin_expect): Likewise.
1005         (expand_builtin_fabs): Likewise.
1006         (expand_builtin_copysign): Likewise.
1007         (expand_builtin_printf): Likewise.
1008         (expand_builtin_fprintf): Likewise.
1009         (expand_builtin_sprintf): Likewise.
1010         (expand_builtin_init_trampoline): Likewise.
1011         (expand_builtin_signbit): Likewise.
1012         (expand_builtin_fork_or_exec): Likewise.
1013         (expand_builtin_sync_operation): Likewise.
1014         (expand_builtin_compare_and_swap): Likewise.
1015         (expand_builtin_lock_test_and_set): Likewise.
1016         (expand_builtin_lock_release): Likewise.
1017         (expand_builtin): Likewise.
1018         (builtin_mathfn_code): Likewise.
1020         (fold_builtin_constant_p): Pass call arguments individually instead
1021         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1022         accessors and constructors.  Return NULL_TREE instead of 0.
1023         (fold_builtin_expect): Likewise.
1024         (fold_builtin_classify_type): Likewise.
1025         (fold_builtin_strlen): Likewise.
1026         (fold_builtin_nan): Likewise.
1027         (integer_valued_real_p): Likewise.
1028         (fold_trunc_transparent_mathfn): Likewise.
1029         (fold_fixed_mathfn): Likewise.
1030         (fold_builtin_cabs): Likewise.
1031         (fold_builtin_sqrt): Likewise.
1032         (fold_builtin_cbrt): Likewise.
1033         (fold_builtin_cos): Likewise.
1034         (fold_builtin_cosh): Likewise.
1035         (fold_builtin_tan): Likewise.
1036         (fold_builtin_sincos): Likewise.
1037         (fold_builtin_cexp): Likewise.
1038         (fold_builtin_trunc): Likewise.
1039         (fold_builtin_floor): Likewise.
1040         (fold_builtin_ceil): Likewise.
1041         (fold_builtin_round): Likewise.
1042         (fold_builtin_int_roundingfn): Likewise.
1043         (fold_builtin_bitop): Likewise.
1044         (fold_builtin_bswap): Likewise.
1045         (fold_builtin_logarithm): Likewise.
1046         (fold_builtin_hypot): Likewise.
1047         (fold_builtin_pow): Likewise.
1048         (fold_builtin_powi): Likewise.
1049         (fold_builtin_exponent): Likewise.
1050         (fold_builtin_memset): Likewise.
1051         (fold_builtin_bzero): Likewise.
1052         (fold_builtin_memory_op): Likewise.
1053         (fold_builtin_bcopy): Deleted; call site changed to invoke
1054         fold_builtin_memory_op directly.
1055         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
1056         (fold_builtin_strncpy): Likewise.
1057         (fold_builtin_memcmp): Likewise.
1058         (fold_builtin_strcmp): Likewise.
1059         (fold_builtin_strncmp): Likewise.
1060         (fold_builtin_signbit): Likewise.
1061         (fold_builtin_copysign): Likewise.
1062         (fold_builtin_isascii): Likewise.
1063         (fold_builtin_toascii): Likewise.
1064         (fold_builtin_isdigit): Likewise.
1065         (fold_builtin_fabs): Likewise.
1066         (fold_builtin_abs): Likewise.
1067         (fold_builtin_fmin_fmax): Likewise.
1068         (fold_builtin_carg): Likewise.
1069         (fold_builtin_classify): Likewise.
1070         (fold_builtin_unordered_cmp): Likewise.
1072         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
1073         New functions split out from fold_builtin_1.
1074         (fold_builtin_n): New.
1075         (fold_builtin_varargs): New.
1076         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
1077         instead.
1078         (fold_call_expr): New.
1079         (build_function_call_expr): Rewrite to use new helper function.
1080         (fold_builtin_call_list): New.
1081         (build_call_expr): New.
1082         (fold_builtin_call_valist): New.
1083         (rewrite_call_expr): New.
1084         (validate_arg): New.
1085         (validate_arglist): Change parameter to be entire CALL_EXPR instead
1086         of an arglist.  Change return type to bool.  Use new CALL_EXPR
1087         accessors.
1089         (fold_builtin_strstr):  Pass call arguments individually instead
1090         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1091         accessors and constructors.  Return NULL_TREE instead of 0.
1092         (fold_builtin_strchr): Likewise.
1093         (fold_builtin_strrchr): Likewise.
1094         (fold_builtin_strpbrk): Likewise.
1095         (fold_builtin_strcat): Likewise.
1096         (fold_builtin_strncat): Likewise.
1097         (fold_builtin_strspn): Likewise.
1098         (fold_builtin_strcspn): Likewise.
1099         (fold_builtin_fputs): Likewise.
1100         (fold_builtin_next_arg): Likewise.
1101         (fold_builtin_sprintf): Likewise.
1103         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
1104         NULL_RTX instead of 0.
1105         (expand_builtin_memory_chk): Likewise.
1106         (maybe_emit_chk_warning): Likewise.
1107         (maybe_emit_sprintf_chk_warning): Likewise.
1109         (fold_builtin_object_size): Pass call arguments individually instead
1110         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1111         accessors and constructors.  Return NULL_TREE instead of 0.
1112         (fold_builtin_memory_chk): Likewise.
1113         (fold_builtin_stxcpy_chk): Likewise.
1114         (fold_builtin_strncpy_chk): Likewise.
1115         (fold_builtin_strcat_chk): Likewise.
1116         (fold_builtin_strcat_chk): Likewise.
1117         (fold_builtin_strncat_chk): Likewise.
1118         (fold_builtin_sprintf_chk): Likewise.
1119         (fold_builtin_snprintf_chk): Likewise.
1120         (fold_builtin_printf): Likewise.
1121         (fold_builtin_vprintf): Likewise.
1123         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
1124         constructors.
1125         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
1126         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1127         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
1128         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
1129         (fold_unary): Likewise.
1130         (fold_binary): Likewise.
1131         (fold_ternary): Remove CALL_EXPR case, since they are no longer
1132         ternary expressions.
1133         (fold): Add logic for tcc_vl_exp.
1134         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
1135         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1136         (fold_build3_stat): Add assertion to flag broken interface for
1137         constructing CALL_EXPRs.
1138         (fold_build_call_list): New.
1139         (fold_build_call_list_initializer): New.
1140         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
1141         constructors.
1142         (fold_strip_sign_ops): Likewise.
1144 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1145             Brooks Moses  <brooks.moses@codesourcery.com>
1146             Lee Millward  <lee.millward@codesourcery.com>
1148         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
1149         accessors and dump arguments explicitly.
1151         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
1152         TREE_CODE_LENGTH.
1153         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
1154         explicitly.
1155         (print_call_name): Use new CALL_EXPR accessors.
1157         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
1158         CALL_EXPR arguments explicitly instead of as a list.  Use
1159         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1161         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
1162         (vrp_visit_stmt): Likewise.
1164         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
1165         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
1166         TREE_CODE_LENGTH.
1167         (force_move_till_expr): Likewise.
1169         * targhooks.c (default_external_stack_protect_fail): Use
1170         build_call_expr instead of build_function_call_expr.
1171         (default_hidden_stack_protect_fail): Likewise.
1173         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
1174         build the call.
1176         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
1177         and walk arguments explicitly.
1179         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
1180         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1181         (expand_simple_operations): Likewise.
1182         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
1184         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
1185         of TREE_CODE_LENGTH.
1186         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
1188         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
1189         instead of TREE_CODE_LENGTH.
1191         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
1192         (tree_ic_transform): Likewise.
1193         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
1194         parameter instead of arglist.  Fix callers.
1195         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
1196         (tree_stringops_transform): Likewise.
1197         (tree_indirect_call_to_profile): Likewise.
1198         (tree_stringops_values_to_profile): Likewise.
1200         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
1201         (eliminate_tail_call): Likewise.
1203         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
1205         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1206         Use TREE_OPERAND_LENGTH and generalize to handle any number of
1207         operands.
1208         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1210         * omp-low.c (build_omp_barrier): Use build_call_expr.
1211         (lower_rec_input_clauses): Likewise.
1212         (lower_reduction_clauses): Likewise.
1213         (expand_parallel_call): Likewise.
1214         (maybe_catch_exception): Likewise.
1215         (expand_omp_for_generic): Likewise.
1216         (expand_omp_for_static_nochunk): Likewise.
1217         (expand_omp_sections): Likewise.
1218         (lower_omp_single_simple): Likewise.
1219         (lower_omp_single_copy): Likewise.
1220         (lower_omp_master): Likewise.
1221         (lower_omp_ordered): Likewise.
1222         (lower_omp_critical): Likewise.
1224         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1225         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1227         * tree-gimple.c (is_gimple_call_addr): Fix doc.
1228         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1229         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
1231         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1232         and generalize to handle any number of operands.
1233         (chrec_contains_undetermined): Likewise.
1234         (tree_contains_chrecs): Likewise.
1235         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1237         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1239         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
1240         fold_call_expr instead of fold_builtin.
1241         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
1242         match declarations there.
1243         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
1244         updates.
1246         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1247         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1249         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1250         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1252         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1253         accessors.
1255         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1256         (execute_cse_sincos): Use new CALL_EXPR accessors.
1258         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1260         * gimple-low.c (lower_function_body): Use build_call_expr.
1261         (lower_builtin_setjmp): Likewise.
1263         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1264         (set_storage_via_libcall): Likewise.
1265         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
1266         instead of TREE_CODE_LENGTH.
1267         (expand_expr_real_1): Use new CALL_EXPR accessors.
1269         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1270         generalize to handle any number of operands.
1271         (TB_parent_eq): Likewise.
1273         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1274         (strip_builtin_expect): Likewise.
1276         * function.c (gimplify_parameters): Use build_call_expr.
1278         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1279         instead of TREE_CODE_LENGTH.
1281         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1282         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1284         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1285         iterators.
1287         * gimplify.c (build_stack_save_restore): Use build_call_expr.
1288         (gimplify_decl_expr): Likewise.
1289         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1290         Use new CALL_EXPR iterators.
1291         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1292         (gimplify_modify_expr_to_memset): Likewise.
1293         (gimplify_variable_sized_compare): Likewise.
1294         (gimplify_omp_atomic_fetch_op): Likewise.
1295         (gimplify_omp_atomic_pipeline): Likewise.
1296         (gimplify_omp_atomic_mutex): Likewise.
1297         (gimplify_function_tree): Likewise.
1299         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1300         (call_expr_flags): Likewise.
1301         (expand_call): Likewise.
1303         * except.c (expand_builtin_eh_return_data_regno): Pass entire
1304         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1305         accessors.
1307         * coverage.c (create_coverage): Use build_call_expr.
1309         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1310         (temp_call_expr_obstack): New.
1311         (pool_copy_list): Delete.
1312         (temp_copy_call_expr): New.
1313         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
1314         CALL_EXPR accessors.  Get rid of special goo for copying argument
1315         lists and use temp_copy_call_expr instead.
1316         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
1317         CALL_EXPR accessors.
1318         (create_expression_by_pieces): Likewise.  Use build_call_array
1319         to construct the result instead of fold_build3.
1320         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
1321         dealing with argument lists.
1322         (init_pre): Remove references to expression_node_pool and
1323         list_node_pool.  Init temp_call_expr_obstack instead.
1324         (fini_pre): Remove references to expression_node_pool and
1325         list_node_pool.
1327         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1328         and walk arguments explicitly instead of as a list.
1330         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1331         (mx_register_decls): Likewise.
1332         (mudflap_register_call): Likewise.
1333         (mudflap_finish_file): Likewise.
1335         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1336         (ipa_callsite_compute_param): Likewise.
1338         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1339         accessors and constructor.
1341         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1342         accessors and constructor.
1343         (convert_tramp_reference): Likewise.
1344         (convert_call_expr): Likewise.
1345         (finalize_nesting_tree_1): Likewise.
1347         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1348         accessors.
1350         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1352         * tree-inline.c (initialize_inlined_parameters): Pass entire
1353         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1354         accessors.
1355         (estimate_num_insns_1): Use new CALL_EXPR accessors.
1356         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1358         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
1359         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1360         (vectorizable_reduction): Likewise.
1361         (vectorizable_call): Use new CALL_EXPR iterators.
1362         (vectorizable_conversion): Use build_call_expr.
1363         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1364         (vect_gen_widened_results_half): Use build_call_expr.
1365         (vect_setup_realignment): Likewise.
1366         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1368         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1369         (pass_through_call): Likewise.
1370         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
1371         fold_builtin.
1373         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1374         (tree_gen_pow2_profiler): Likewise.
1375         (tree_gen_one_value_profiler): Likewise.
1376         (tree_gen_ic_func_profiler): Likewise.
1377         (tree_gen_average_profiler): Likewise.
1378         (tree_gen_ior_profiler): Likewise.
1380         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1381         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1382         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1384         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1385         of TREE_CODE_LENGTH.
1387         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1388         of TREE_CODE_LENGTH.
1390         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1391         constructor.
1392         (convert_to_integer): Likewise.
1394         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1395         accessors.
1397 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1398             Brooks Moses  <brooks.moses@codesourcery.com>
1399             Lee Millward  <lee.millward@codesourcery.com>
1401         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1402         accessors.
1403         * config/frv/frv.c (frv_expand_builtin): Likewise.
1404         * config/s390/s390.c (s390_expand_builtin): Likewise.
1406         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1407         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1409         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1410         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1411         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1412         (ix86_expand_store_builtin): Likewise.
1413         (ix86_expand_unop_builtin): Likewise.
1414         (ix86_expand_unop1_builtin): Likewise.
1415         (ix86_expand_sse_compare): Likewise.
1416         (ix86_expand_sse_comi): Likewise.
1417         (ix86_expand_vec_init_builtin): Likewise.
1418         (ix86_expand_vec_ext_builtin): Likewise.
1419         (ix86_expand_vec_set_builtin): Likewise.
1420         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1422         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1423         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1425         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1426         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1427         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1429         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1430         build_call_expr.
1431         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1432         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1433         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1434         (altivec_expand_abs_builtin): Likewise.
1435         (rs6000_expand_binop_builtin): Likewise.
1436         (altivec_expand_predicate_builtin): Likewise.
1437         (altivec_expand_lv_builtin): Likewise.
1438         (spe_expand_stv_builtin): Likewise.
1439         (altivec_expand_stv_builtin): Likewise.
1440         (rs6000_expand_ternop_builtin): Likewise.
1441         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1442         (altivec_expand_st_builtin): Likewise.
1443         (altivec_expand_dst_builtin): Likewise.
1444         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1445         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1446         (altivec_expand_vec_set_builtin): Likewise.
1447         (altivec_expand_vec_ext_builtin): Likewise.
1448         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1449         (spe_expand_builtin): Likewise.
1450         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1451         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1452         (spe_expand_evsel_builtin): Likewise.
1453         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1454         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1456         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1457         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1458         (arm_expand_unop_builtin): Likewise.
1459         (arm_expand_builtin): Use new CALL_EXPR accessors.
1461         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1462         accessors.
1464         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1465         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1466         (bfin_expand_unop_builtin): Likewise.
1467         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1469 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1470             Brooks Moses  <brooks.moses@codesourcery.com>
1471             Lee Millward  <lee.millward@codesourcery.com>
1473         * c-semantics.c (build_stmt): Add internal diagnostic check.
1475         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1476         accessors.  Print arguments explicitly instead of as a list.
1478         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1480         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1481         (c_finish_omp_flish): Likewise.
1483         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1484         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1485         instead of TREE_CODE_LENGTH.
1486         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1487         (c_warn_unused_result): Likewise.
1489 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1491         PR c/26494
1492         * doc/invoke.texi (Warning Options): Remove
1493         -Werror-implicit-function-declaration.
1494         (Wimplicit-function-declaration): Update description.
1495         * opts.c (common_handle_option): Move handling of -Werror=* to...
1496         (enable_warning_as_error): ...here.
1497         * opts.h (enable_warning_as_error): Declare.
1498         * c-decl.c (implicit_decl_warning): Unless
1499         -Wno-implicit-function-declaration is given, emit a pedwarn if
1500         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1501         * c.opt (Wimplicit-function-declaration): Replace
1502         mesg_implicit_function_declaration with
1503         warn_implicit_function_declaration.
1504         * c-opts.c (c_common_handle_option):
1505         -Werror-implicit-function-declaration is exactly equal as
1506         -Werror=implicit-function-declaration.
1507         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1508         warn_implicit_function_declaration.
1509         (c_common_post_options): -Wimplict-function-declaration is enabled
1510         by default by -std=c99, otherwise is disabled by default.
1511         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1513 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1515         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1516         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1517         former is ignored but not the latter.
1519 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1521         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1522         is made and the reference doesn't use the alias set of its type,
1523         do not create the temporary using that type.
1525 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1527         * jump.c: Remove prototypes for delete_computation and
1528         delete_prior_computation.
1530 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1532         * jump.c (get_label_after): Delete.
1533         (get_label_before, delete_computation, delete_jump,
1534         delete_prior_computation, follow_jumps): Move...
1535         * reorg.c (delete_computation, delete_prior_computation): ... here...
1536         (get_label_before, delete_jump): ... making these static ...
1537         (follow_jumps): ... and simplifying this since it only runs after
1538         reload.
1539         * rtl.h (get_label_after, get_label_before, delete_jump,
1540         follow_jumps): Delete prototypes.
1542 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1544         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1546 2007-02-15  Nick Clifton  <nickc@redhat.com>
1548         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1549         order to prevent it from being munged by the target.
1551 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1553         * config/i386/i386.md: Remove misleading comment.
1555 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1557         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1558         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1559         invalid patterns.
1561 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1563         * tree-sra.c (instantiate_missing_elements): Canonicalize
1564         bit-field types.
1565         (sra_build_assignment): New.
1566         (generate_copy_inout, generate_element_copy,
1567         generate_element_zero, generate_one_element_init): Use it.
1569 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1571         * tree-sra.c (instantiate_missing_elements): Canonicalize
1572         bit-field types.
1573         (sra_build_assignment): New.
1574         (generate_copy_inout, generate_element_copy,
1575         generate_element_zero, generate_one_element_init): Use it.
1577 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1579         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1580         limbo die nodes.
1582 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1584         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1585         types as aggregates not scalars.
1586         * function.c (assign_stack_temp_for_type): Likewise.
1588 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1589             Zdenek Dvorak  <dvorakz@suse.cz>
1591         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1592         name.
1594 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1596         * passes.c (next_pass_1): Clear the next field of the copied
1597         pass structure.
1599 2007-02-14  Richard Henderson  <rth@redhat.com>
1601         * tree-sra.c (early_sra): New.
1602         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1603         (tree_sra_early, pass_sra_early): New.
1604         * tree-pass.h (pass_sra_early): Declare.
1605         * passes.c (init_optimization_passes): Use it.
1607 2007-02-14  Richard Guenther  <rguenther@suse.de>
1609         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1611 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1613          PR tree-optimization/30771
1614         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1615         also phi nodes.
1616         (vect_analyze_operations): Induction phis can now be marked as
1617         used_in_loop.
1618         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1619         Update documentation accordingly.
1621 2007-02-14  Nick Clifton  <nickc@redhat.com>
1623         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1624         most 3 arguments are supported.
1625         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1627 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1629         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1630         Ensure dst->current is valid.
1632 2007-02-13  Paul Brook  <paul@codesourcery.com>
1634         * config.gcc: Add arm*-*-uclinux-*eabi.
1635         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1636         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1637         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1638         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1639         (LINK_SPEC): Define.
1640         (LIB_SPEC): Define.
1641         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1642         register.
1643         * config/arm/uclinux-eabi.h: New file.
1644         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1645         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1646         based targets.
1648 2007-02-13  Ian Lance Taylor  <iant@google.com>
1650         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1651         * flags.h (warn_strict_overflow): Declare.
1652         (enum warn_strict_overflow_code): Define.
1653         (issue_strict_overflow_warning): New static inline function.
1654         * opts.c (warn_strict_overflow): New variable.
1655         (common_handle_option): Handle OPT_Wstrict_overflow and
1656         OPT_Wstrict_overflow_.
1657         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1658         OPT_Wall.
1659         * fold-const.c: Include intl.h.
1660         (fold_deferring_overflow_warnings): New static variable.
1661         (fold_deferred_overflow_warning): New static variable.
1662         (fold_deferred_overflow_code): New static variable.
1663         (fold_defer_overflow_warnings): New function.
1664         (fold_undefer_overflow_warnings): New function.
1665         (fold_undefer_and_ignore_overflow_warnings): New function.
1666         (fold_deferring_overflow_warnings_p): New function.
1667         (fold_overflow_warning): New static function.
1668         (make_range): Add strict_overflow_p parameter.  Change all
1669         callers.
1670         (extract_muldiv, extract_muldiv_1): Likewise.
1671         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1672         tree_expr_nonnegative_p.
1673         (fold_negate_expr): Call fold_overflow_warning.
1674         (fold_range_test): Likewise.
1675         (fold_comparison): Likewise.
1676         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1677         instead of tree_expr_nonnegative_p.
1678         (tree_expr_nonnegative_warnv_p): Rename from
1679         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1680         (tree_expr_nonnegative_p): New function.
1681         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1682         strict_overflow_p parameter.
1683         (tree_expr_nonzero_p): New function.
1684         * passes.c (verify_interpass_invariants): New static function.
1685         (execute_one_pass): Call it.
1686         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1687         warnings.
1688         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1689         (estimate_numbers_of_iterations): Likewise.
1690         (scev_probably_wraps_p): Likewise.
1691         * tree-ssa-ccp.c: Include "toplev.h".
1692         (evaluate_stmt): Defer fold overflow warnings until we know we are
1693         going to optimize.
1694         (struct fold_stmt_r_data): Add stmt field.
1695         (fold_stmt_r): Defer fold overflow warnings until we know we
1696         optimized.
1697         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1698         (fold_stmt_inplace): Likewise.
1699         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1700         (cleanup_control_expr_graph): Defer fold overflow warnings until
1701         we know we are going to optimize.
1702         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1703         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1704         Likewise.
1705         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1706         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1707         * tree-ssa-loop-manip.c (create_iv): Likewise.
1708         * c-typeck.c (build_conditional_expr): Likewise.
1709         (build_binary_op): Likewise.
1710         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1711         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1712         (extract_range_from_unary_expr): Likewise.
1713         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1714         assuming that signed overflow does not occur.
1715         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1716         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1717         (fold_defer_overflow_warnings): Declare.
1718         (fold_undefer_overflow_warnings): Declare.
1719         (fold_undefer_and_ignore_overflow_warnings): Declare.
1720         (fold_deferring_overflow_warnings_p): Declare.
1721         (tree_expr_nonzero_warnv_p): Declare.
1722         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1723         of warning options.
1724         (Warning Options): Document -Wstrict-overflow.
1725         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1726         (tree-ssa-ccp.o): Likewise.
1727         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1728         (fold-const.o): Depend on intl.h.
1730 2007-02-13  Ian Lance Taylor  <iant@google.com>
1732         PR middle-end/30751
1733         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1734         addresses.
1736 2007-02-13  Stuart Hastings  <stuart@apple.com>
1738         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1740 2007-02-13  Richard Henderson  <rth@redhat.com>
1742         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1743         handled_component_p before looking for the indirect_ref.
1745 2007-02-13  Richard Henderson  <rth@redhat.com>
1747         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1748         remove flags clobber.
1749         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1750         (bswaphi_lowpart): New.
1751         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1752         remove TARGET_BSWAP test.  Delete expander of the same name.
1754         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1755         (expand_unop): Use them.
1757 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1759         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1760         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1761         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1762         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1763         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1764         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1765         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1766         assembler dialect choice from asm templates.
1768 2007-02-12  Richard Henderson  <rth@redhat.com>
1770         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1771         (fixuns_trunc<SSEMODEF>si2): Use it.
1772         * config/i386/sse.md (vec_setv4sf_0): Export.
1773         * config/i386/i386.c (ix86_build_const_vector): Export.
1774         (ix86_split_convert_uns_si_sse): Rename from
1775         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1776         * config/i386/i386-protos.h: Update.
1778 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1780         PR c/29521
1781         * c-typeck.c (c_finish_return): Improve warning message.
1783 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1785         * alias.c (find_symbolic_term): Delete unused function.
1787 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1789         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1790         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1791         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1793 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1795         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1796         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1797         the function, temporarily point the debug interface to the null one.
1799 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1801         * dwarf2out.c (round_up_to_align): New static function.
1802         (field_byte_offset): Use it to round the offset.
1804 2007-02-12  Richard Henderson  <rth@redhat.com>
1806         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1807         (inswl_const): Export.
1809 2007-02-12  Richard Henderson  <rth@redhat.com>
1811         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1812         result mode of the libcall, convert back to outmode.
1814 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1816         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1817         (bswapdi2): New define_expand to implement 32-bit implementation.
1819 2007-02-12  Nick Clifton  <nickc@redhat.com>
1821         * doc/invoke.texi (Overall Options): Document --help=.
1822         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1823         (cc1_options): Pass --help= on to cc1.
1824         (display_help): Add description of --help=.
1825         (process_command): Add code to handle --help=.  Allow translated
1826         --help and --target-help switches to be passed on to compiler
1827         sub-process.
1828         (main): Remove unused if statement.
1829         * opts.c (columns): Remove.
1830         (LEFT_COLUMN): Define.
1831         (wrap_help): Add columns argument.
1832         (print_filtered_help): Change parameters to be an include bitmask,
1833         an exclude bitmask, an any bitmask and the column width.  Move the
1834         code to display the params list here.  Add code to display the
1835         status of options rather than their descriptions if the quiet flag
1836         is not active.
1837         (print_specific_help): Change parameters to be an include bitmask,
1838         an exclude bitmask and an any bitmask.  Move code to look up the
1839         column width here.  Decide upon the title for an options listing.
1840         (common_handle_options): Add code to handle --help=.  Adapt code
1841         for --help and --target-help to use the revised form of the
1842         print_specific_help function.
1843         (print_help): Delete.
1844         (print_param_help): Delete.
1845         (print_switch): Delete.
1846         * opts.h (cl_lang_count): Add prototype.
1847         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1848         CL_MAX_OPTION_CLASS): New defines.
1849         * optc-gen.awk: Add construction of cl_lang_count.
1850         * c.opt: Add Warning attribute to warning options and Optimization
1851         attribute to optimization options.
1852         * common.opt: Likewise.
1853         Add --help=.
1854         Add -fhelp and -ftarget-help as aliases for the transformed --help
1855         and --target-help options.
1856         * opt-functions.awk: Add code to handle Warning and Optimization
1857         attributes.
1859 2007-02-12  Richard Henderson  <rth@redhat.com>
1861         * config/alpha/constraints.md: New file.
1862         * config/alpha/alpha.c: Include tm-constrs.h.
1863         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1864         alpha_extra_constraint): Remove.
1865         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1866         * config/alpha/alpha-protos.h: Update.
1867         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1868         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1869         (EXTRA_CONSTRAINT): Remove.
1870         * config/alpha/alpha.md: Include constraints.md.
1871         (adddi splitter): Use satisfies_constraint_*.
1872         * config/alpha/predicates.md (add_operand): Likewise.
1873         (sext_add_operand, addition_operation): Likewise.
1875 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1877         PR tree-optimization/29145
1878         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1879         in our handling of restrict qualified pointers.
1881 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1883         PR middle-end/7651
1884         * doc/invoke.texi (Wunused-value): Update description.
1885         (Wextra): Delete item.
1886         * opts.c (set_Wextra): Don't use the value of Wextra to set the
1887         value of Wunused-value.
1888         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1889         (c_finish_stmt_expr): Don't check extra_warnings.
1890         (emit_side_effect_warnings): The caller is responsible to check
1891         warn_unused_value.
1893 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1894             Matt Thomas  <matt@3am-software.com>
1896         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1898 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1900         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1901         comparisons of POPCOUNT against zero.
1902         (simplify_const_relational_operation): Likewise.
1904 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1906         * doc/invoke.texi (Wextra): Delete outdated paragraph.
1908 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1910         * dwarf2out.c (root_type): Delete unused function.
1912 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1914         * genattrtab.c (contained_in_p): Delete unused function.
1915         (write_expr_attr_cache): Likewise.
1917 2007-02-11  Jan Hubicka  <jh@suse.cz>
1919         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1920         previous patch.
1922 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
1924         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
1925         to add the REG_EQ* note.
1926         * see.c (see_merge_one_use_extension): Likewise.
1927         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
1928         turn REG_EQUAL notes into REG_EQUIV notes if the target
1929         register may have more than one set.
1930         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
1931         * gcse.c (try_replace_reg): Likewise.
1932         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
1933         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
1934         more than one REG_EQUIV note.
1935         * reload1.c (gen_reload): Use set_unique_reg_note.
1937 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
1939         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
1940         (ix86_builtin_conversion): New function.
1942 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
1944         PR target/29487
1945         * tree.h (DECL_REPLACEABLE_P): New macro.
1946         * except.c (set_nothrow_function_flags): Likewise.
1948 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
1949             Ira Rosen  <irar@il.ibm.com>
1950             Dorit Nuzman  <dorit@il.ibm.com>
1952         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
1953         * targhooks.c (default_builtin_vectorized_conversion): New.
1954         * targhooks.h (default_builtin_vectorized_function): New declaration.
1955         * target.h (struct vectorize): Add builtin_conversion field.
1956         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
1957         stmt_vec_info_type value.
1958         (vectorizable_conversion): New declaration.
1959         * tree-vect-analyze.c (vect_analyze_operations): Add
1960         vectorizable_conversion call.
1961         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
1962         * tree-vect-transform.c (vectorizable_conversion): New function.
1963         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
1964         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1965         mode.
1966         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
1967         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
1968         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
1969         or ALTIVEC_BUILTIN_VCFSX.
1971 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1973         PR target/30634
1974         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
1975         CONST_DOUBLE and operand 0 is a hard register.
1976         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
1977         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
1978         is a hard floating-point register.
1980 2007-02-10  Richard Henderson  <rth@redhat.com>
1981             Jakub Jelinek  <jakub@redhat.com>
1982             Alexandre Oliva  <aoliva@redhat.com>
1984         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
1985         * builtin-types.def (BT_WORD): Make unsigned.
1986         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1987         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1988         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1989         * c-decl.c (grokdeclarator): Don't error if !have_tls.
1990         * c-parser.c (c_parser_omp_threadprivate): Likewise.
1991         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1992         emulated tls.
1993         * expr.c (emutls_var_address): New.
1994         (expand_expr_real_1): Expand emulated tls.
1995         (expand_expr_addr_expr_1): Likewise.
1996         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1997         * output.h (emutls_finish): Declare.
1998         * toplev.c (compile_file): Call it.
1999         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2000         address before wrapping in CONST.
2001         * varasm.c (emutls_htab, emutls_object_type): New.
2002         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2003         (get_emutls_object_name, get_emutls_object_type): New.
2004         (get_emutls_init_templ_addr, emutls_decl): New.
2005         (emutls_common_1, emutls_finish): New.
2006         (assemble_variable): When emulating tls, swap decls; generate
2007         constructor for the emutls objects.
2008         (do_assemble_alias): When emulating tls, swap decl and target name.
2009         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2010         for emulated tls.
2011         * varpool.c (decide_is_variable_needed): Look at force_output.
2012         Recurse for emulated tls.
2013         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
2014         with decide_is_variable_needed.
2015         * emutls.c: New file.
2016         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2017         tls_object for real tls.
2019 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2021         PR rtl-optimization/29599
2022         * reload1.c (eliminate_regs_in_insn): Take the destination
2023         mode into account when computing the offset.
2025 2007-02-09  Stuart Hastings  <stuart@apple.com>
2026             Richard Henderson  <rth@redhat.com>
2028         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2029         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2030         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
2031         fixuns_truncdfhi2): New.
2032         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
2033         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
2034         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
2035         (floatunssidf2): Allow nonimmediate source.
2036         * gcc/config/i386/sse.md (movdi_to_sse): New.
2037         (vec_concatv2di): Drop '*'.
2038         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
2039         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2040         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
2041         New.
2042         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
2043         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2044         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
2045         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
2046         (ix86_build_signbit_mask): Fix decl of v, refactor to call
2047         ix86_build_const_vector.
2048         (x86_emit_floatuns): Rewrite.
2050 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2052         * genautomata.c (longest_path_length): Delete unused function.
2053         (struct state): Delete unused longest_path_length.
2054         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
2055         (get_free_state): Delete unused.
2057 2007-02-09  Jan Hubicka  <jh@suse.cz>
2059         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
2060         * doc/invoke.texi (inline-unit-growth): Update default value.
2062         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
2063         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
2064         (rebuild_cgraph_edges): Likewise.
2065         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
2066         (dump_cgraph_node): Dump frequencies.
2067         (cgraph_clone_edge): Add frequency scales.
2068         (cgraph_clone_node): Add freuqnecy.
2069         * cgraph.h (cgraph_edge): Add freuqnecy argument.
2070         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
2071         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
2072         * tree-pass.h (TODO_rebuild_frequencies): New constant.
2073         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
2074         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
2075         (save_inline_function_body): Likewise.
2076         * ipa-inline.c: inluce rtl.h
2077         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
2078         (cgraph_edge_badness): Use frequencies.
2079         (cgraph_decide_recursive_inlining): Update clonning.
2080         (cgraph_decide_inlining_of_small_function): Dump frequency.
2081         * predict.c (estimate_bb_frequencies): Export.
2082         * predict.h (estimate_bb_frequencies): Declare.
2083         * tree-inline.c (copy_bb): Watch overflows.
2084         (expand_call_inline): Update call of cgraph_create_edge.
2085         (optimize_inline_calls): Use TODO flags to update frequnecies.
2086         * passes.h: Include predict.h
2087         (init_optimization_passes): Move profile ahead.
2088         (execute_function_todo): Handle TODO_rebuild_frequencies.
2090 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2092         * config/alpha/alpha.c (emit_insxl): Force the first operand of
2093         the insbl or inswl pattern into a register.
2095 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2097         * config/ia64/ia64.md (bswapdi2): New define_insn.
2099 2007-02-09  Richard Henderson  <rth@redhat.com>
2101         * config/i386/constraints.md (Ym): New constraint.
2102         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
2103         (movdi_1_rex64): Split sse and xmm general register moves from
2104         memory move alternatives.  Use conditional register constraints.
2105         (movsf_1, movdf_integer): Likewise.
2106         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
2107         (movdf_integer_rex64): New.
2108         (pushsf_rex64): Fix output constraints.
2109         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
2110         (sse2_stored): Likewise.
2111         (sse2_storeq_rex64): New.
2112         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
2113         amd and not generic.
2114         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
2115         for optimize_size.  Remove SF/DFmode hack.
2117 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2119         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
2120         (bit_SSE4a): New.
2122 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
2123             Richard Sandiford  <richard@codesourcery.com>
2125         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
2126         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
2127         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
2128         m68k/t-mlib to tmake_file.
2129         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
2130         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
2131         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
2132         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
2133         variable is not empty, add t-$m68k_arch_family to tmake_file.
2134         Add t-mlibs to tmake_file.
2135         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
2136         * config/m68k/t-cf: New file.
2137         * config/m68k/t-m68k: Likewise.
2138         * config/m68k/t-mlibs: Likewise.
2139         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2140         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2141         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2142         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2143         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
2144         Delete.
2145         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
2146         (INSTALL_LIBGCC): Delete.
2147         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2148         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2149         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2150         (M68K_MLIB_CPU): Define.
2151         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2152         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2153         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
2155 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2156             Richard Guenther  <rguenther@suse.de>
2158         PR middle-end/23361
2159         * fold-const.c (fold_comparison): Handle obfuscated comparisons
2160         against INT_MIN/INT_MAX.
2161         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
2162         file if a loop is removed.
2164 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
2166         * calls.c (store_one_arg): Pass correct alignment to
2167         emit_push_insn for non-BLKmode values.
2168         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
2169         unaligned stack slot via a suitably aligned slot.
2171 2007-02-08  DJ Delorie  <dj@redhat.com>
2173         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
2174         warnings.
2175         (legal_subregs): Use unsigned char, make const.
2176         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
2178 2007-02-08  Paul Brook  <paul@codesourcery.com>
2180         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
2181         special interworking needed.
2183 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
2185         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
2186         conditional to __SSE2__.
2187         (Entries below should have been added to first ChangeLog
2188         entry for amdfam10 dated 2007-02-05)
2189         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
2190         defined.
2191         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
2192         defined.
2193         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
2194         defined.
2196 2007-02-08  DJ Delorie  <dj@redhat.com>
2198         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
2199         * config/m32c/m32c.c (legal_subregs): New.
2200         (m32c_illegal_subreg_p): New.
2201         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2202         unsupported subregs of hard regs.
2204 2007-02-08  Jan Hubicka  <jh@suse.cz>
2206         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2207         the same one; always update histograms.
2209 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2211         * passes.c (init_optimization_passes): Tidy comment.
2213 2007-02-08  Roger Sayle  <roger@eyesopen.com>
2215         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2216         strip zero_extend, bswap and rotates from POCOUNT's argument.
2217         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2218         zero_extend and rotates from PARITY's argument.
2219         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2220         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2221         of an integer constant at compile-time.
2223 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2225         PR 30562
2226         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2227         Update all users.
2228         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
2229         users.
2230         (init_alias_info):
2231         * tree-ssa-live.c (remove_unused_locals): Do not remove
2232         TREE_ADDRESSABLE variables.
2233         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2234         * tree-ssa-operands.c (add_virtual_operand): Remove argument
2235         FOR_CLOBBER.  Update all users.
2236         If VAR has an associated alias set, add a virtual operand for
2237         it if no alias is found to conflict with the memory reference.
2239 2007-02-07  Jan Hubicka  <jh@suse.cz>
2240             Robert Kidd <rkidd@crhc.uiuc.edu>
2242         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2244 2007-02-07  Ian Lance Taylor  <iant@google.com>
2246         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2248 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2250         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2251         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2252         tablejumpdi, movsi_to_cr_one): Remove constraints from
2253         define_expand's match_operands.
2255 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2257         * global.c (compute_regsets): Move declatation of "i" inside of
2258         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2260 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2262         PR c++/30703
2263         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2264         of INDIRECT_REF <RESULT_DECL>.
2266         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2268 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
2269             Kaz Kojima  <kkojima@gcc.gnu.org>
2271         PR target/29746
2272         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2273         properly.
2274         (sh_initialize_trampoline): Add parentheses to avoid a warning.
2276 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2278         * doc/loop.texi: Document possibility not to perform disambiguation
2279         of loops with multiple latches.
2280         * cfgloopmanip.c (alp_enum_p): Removed.
2281         (add_loop): Handle subloops.  Use get_loop_body_with_size.
2282         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2283         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2284         the new forwarder block.
2285         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2286         Handle the case latch is NULL.
2287         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2288         when marking loop exits.
2289         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
2290         be modified.
2291         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
2292         disambiguate_loops_with_multiple_latches.
2293         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2294         before fix_loop_structure.
2295         * cfgloop.c: Include pointer-set.h and output.h.
2296         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2297         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2298         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2299         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2300         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2301         disambiguate_multiple_latches, get_loop_body_with_size,
2302         disambiguate_loops_with_multiple_latches): New functions.
2303         (flow_loop_dump): Dump multiple latch edges.
2304         (flow_loop_nodes_find): Handle loops with multiple latches.
2305         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2306         (glb_enum_p): Modified.
2307         (get_loop_body): Use get_loop_body_with_size.
2308         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2309         (AVOID_CFG_MODIFICATIONS): New constant.
2310         (disambiguate_loops_with_multiple_latches, add_loop,
2311         get_loop_body_with_size): Declare.
2312         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2314 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
2316         PR inline-asm/28686
2317         * global.c (compute_regsets): New function.
2318         (global_alloc): Refactored ELIMINABLE_REGSET
2319         and NO_GLOBAL_ALLOC_REGS computation out.
2320         (rest_of_handle_global_alloc): Call compute_regsets()
2321         for non-optimizing case.
2323 2007-02-06  Richard Henderson  <rth@redhat.com>
2325         * config/i386/constraints.md (Y2): Rename from Y.
2326         (Yi): New constraint.
2327         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2328         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2329         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2330         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2331         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2332         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2333         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2334         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2335         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2336         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2337         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2338         vec_extractv2si_1): Change Y constraints to Y2.
2339         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2340         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2341         Change Y constraints to Y2.
2342         (sse2_loadld): Change Y constraints to x.
2344 2007-02-06  Roger Sayle  <roger@eyesopen.com>
2346         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2347         (parity<mode>2): New define_expand using rs6000_emit_parity.
2348         * config/rs6000/rs6000.c (rs6000_emit_popcount,
2349         rs6000_emit_parity): New functions.
2350         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2351         rs6000_emit_parity): Prototype here.
2353 2007-02-06  Ian Lance Taylor  <iant@google.com>
2355         * lower-subreg.c (simple_move_operand): Reject CONST.
2356         (resolve_clobber): Call validate_change rather than directly
2357         assigning to XEXP (pat, 0).
2359 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2361         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2362         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2363         (tree-cfg.o): Remove hashtab.h dependency.
2365         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2366         (struct ivopts_data): Change niters to pointer_map_t.
2367         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2368         (niter_for_exit): Create pointer_map on demand.  Change for
2369         pointer_map API.
2370         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2371         (free_loop_data): Destroy data->niters if created and reset field.
2372         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2373         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2375         * tree-ssa-reassoc.c: Include pointer-set.h.
2376         (bb_rank): Change to long *.
2377         (operand_rank): Change to pointer_map_t.
2378         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2379         (insert_operand_rank): Accept long.
2380         (operand_entry_hash, operand_entry_eq): Remove.
2381         (get_rank): Return long.  Adjust for changes above.
2382         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2383         and operand_rank.
2384         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2386         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2387         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2388         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2389         is not NULL.
2390         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2391         directly since it cannot be NULL.
2392         (get_vi_for_tree): Rewrite for pointer_map API.
2393         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2394         (init_alias_vars): Create vi_for_tree as pointer_map.
2395         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2397         * tree-cfg.c: Don't include hashtab.h.
2398         (edge_to_cases): Declare as pointer_map.
2399         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2400         Delete.
2401         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2402         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2403         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2404         destroying it.
2405         (record_switch_edge): Delete.
2406         (get_cases_for_edge): Adjust for pointer_map API, inline
2407         record_switch_edge (rewritten for new API), remove goto.
2409 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2411         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2412         * tree-nested.c: Include pointer-set.h.
2413         (var_map_elt, var_map_eq, var_map_hash): Delete.
2414         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2415         to pointer_map_t's.
2416         (nesting_info_bitmap_obstack): New.
2417         (lookup_field_for_decl): Adjust for pointer_map API.
2418         (lookup_tramp_for_decl): Adjust for pointer_map API.
2419         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2420         (get_local_debug_decl): Adjust for pointer_map API.
2421         (convert_nl_goto_reference): Adjust for pointer_map API.
2422         (convert_nl_goto_receiver): Adjust for pointer_map API.
2423         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2424         the new obstack.  Create field_map and var_map as pointer_maps.
2425         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2426         (root): Delete.
2427         (lower_nested_functions): Move root here, no need to NULL it.
2428         Initialize and release the obstack.
2430 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2432         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2433         Remove prototypes and make them non-static.
2434         (struct tree_int_map): Remove.
2435         * tree.h (struct tree_int_map): Move here, turning TO into an
2436         unsigned int.
2437         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2439         * tree.h (TREE_COMPLEXITY): Remove.
2440         (struct tree_exp): Remove complexity field.
2441         * tree.c (build1_stat): Don't set it.
2443 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2444             Victor Kaplansky  <victork@il.ibm.com>
2446         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2447         (vect_is_simple_reduction): Support reduction with induction as
2448         one of the operands.
2449         (vect_is_simple_iv_evolution): Fix formatting.
2450         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2451         formatting.  Don't mark induction phis for vectorization.
2452         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2453         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2454         (vect_get_vec_def_for_operand): Support induction.
2455         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2456         induction case.
2457         (vectorizable_reduction): Support reduction with induction as one of
2458         the operands.
2459         (vectorizable_type_demotion): Use def-type of stmt argument rather
2460         than dummy def-type.
2462         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2463         flag_tree_scev_cprop.
2464         * common.opt (tree-scev-cprop): New flag.
2466         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2467         call to vect_get_new_vect_var.
2469 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2471         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2472         vectype is not NULL.
2473         (vect_pattern_recog_1): Likewise.
2475 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2477         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2478         (fold_negate_expr): Likewise.
2480 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2482         PR debug/30189
2483         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2484         even if cv-qualification is the same.
2486 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2488         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2489         __enable_execute_stack on completion.
2491 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2493         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2494         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2495         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2496         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2497         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2498         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2499         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2500         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2502 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2504         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2505         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2506         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2507         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2508         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2509         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2510         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2511         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2512         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2513         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2514         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2515         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2516         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2517         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2518         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2519         sqrtextenddfxf2_i387): Added amdfam10_decode.
2521         * config/i386/athlon.md (athlon_idirect_amdfam10,
2522         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2523         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2524         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2525         athlon_ivector_store_amdfam10): New define_insn_reservation.
2526         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2527         amdfam10.
2529 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2531         * config/i386/athlon.md (athlon_call_amdfam10,
2532         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2533         define_insn_reservation.
2534         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2535         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2536         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2538 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2540         * config/i386/athlon.md (athlon_sseld_amdfam10,
2541         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2542         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2544 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2546         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2547         define_insn_reservation.
2548         * config/i386/i386.md (sseins): Added sseins to define_attr type
2549         and define_attr unit.
2550         * config/i386/sse.md: Set type attribute to sseins for insertq
2551         and insertqi.
2553 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2555         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2556         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2557         ssecomi_load_amdfam10, ssecomi_amdfam10,
2558         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2559         define_insn_reservation.
2560         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2562 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2564         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2565         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2566         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2567         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2568         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2569         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2570         define_insn_reservation.
2572         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2573         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2574         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2575         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2576         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2578 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2580         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2581         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2582         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2583         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2584         athlon_ssemul_load_k8): Added amdfam10.
2586 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2588         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2589         (x86_sse_unaligned_move_optimal): New variable.
2591         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2592         m_AMDFAM10.
2593         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2594         for unaligned vector SSE double/single precision loads for AMDFAM10.
2596 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2598         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2599         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2600         Define TARGET_CPU_DEFAULT_amdfam10.
2601         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2602         (processor_type): Add PROCESSOR_AMDFAM10.
2604         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2605         processor_type in config/i386/i386.h.
2606         Enable imul peepholes for TARGET_AMDFAM10.
2608         * config.gcc: Add support for --with-cpu option for amdfam10.
2610         * config/i386/i386.c (amdfam10_cost): New variable.
2611         (m_AMDFAM10): New macro.
2612         (m_ATHLON_K8_AMDFAM10): New macro.
2613         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2614         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2615         x86_promote_QImode, x86_integer_DFmode_moves,
2616         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2617         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2618         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2619         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2620         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2621         Enable/disable for amdfam10.
2622         (override_options): Add amdfam10_cost to processor_target_table.
2623         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2624         processor_alias_table.
2625         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2626         (ix86_adjust_cost): Add code for amdfam10.
2628 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2630         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2631         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2632         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2633         * config/i386/i386.h: Add builtin definition for SSE4A.
2634         * config/i386/i386.md: Add support for ABM instructions
2635         (popcnt and lzcnt).
2636         * config/i386/sse.md: Add support for SSE4A instructions
2637         (movntss, movntsd, extrq, insertq).
2638         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2639         Add -march=amdfam10 flag.
2640         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2641         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2642         and amdfam10.
2643         * doc/extend.texi: Add documentation for SSE4A builtins.
2645 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2647         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2649 2007-02-05  Richard Guenther  <rguenther@suse.de>
2651         * tree-vectorizer.h (vectorizable_function): Add argument type
2652         argument, change return type.
2653         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2654         * tree-vect-transform.c (vectorizable_function): Handle extra
2655         argument, return vectorized function decl.
2656         (build_vectorized_function_call): Remove.
2657         (vectorizable_call): Handle calls with result and argument types
2658         differing.  Handle loop vectorization factor correctly.
2659         * targhooks.c (default_builtin_vectorized_function): Adjust for
2660         extra argument.
2661         * targhooks.h (default_builtin_vectorized_function): Likewise.
2662         * target.h (builtin_vectorized_function): Add argument type
2663         argument.
2664         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2665         extra argument, allow vectorizing of lrintf.
2666         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2667         documentation of target hook.
2669 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2671         PR target/30665
2672         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2673         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2674         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2676 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2678         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2679         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2680         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2681         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2682         before canonicalizing sincos to cexpi.
2683         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2685 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2687         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2688         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2689         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2691 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2693         * mips-tfile.c (initialize_init_file): Correct endianness test.
2695 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2697         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2698         the 'y' constraint.
2700 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2702         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2703         saves in a PARALLEL before the register assignments.
2705 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2707         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2708         DWARF_FRAME_RETURN_COLUMN to be a general register.
2709         * dwarf2out.c (init_return_column_size): New function, split from...
2710         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2711         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2712         to be nongeneral registers.
2713         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2714         integer registers.
2715         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2716         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2718 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2720         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2722 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2724         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2725         (remove_path): Use can_remove_branch_p and remove_branch instead
2726         of loop_delete_branch_edge.
2727         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2728         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2729         Update profile using scale_dominated_blocks_in_loop.
2730         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2731         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2732         (can_remove_branch_p, remove_branch): Declare.
2733         * tree-cfg.c (tree_can_remove_branch_p): New function.
2734         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2735         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2736         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2738 2007-02-05  Jan Hubicka  <jh@suse.cz>
2740         PR middle-end/30696
2741         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2742         nodes in cgraph, don't remove offline copy of the function.
2744 2007-02-04  Jan Hubicka  <jh@suse.cz>
2746         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2747         vectors might cause maybe_lookup_element_for_expr to be called
2748         on non-sra-candidate.
2750 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2752         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2753         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2754         spelling conventions.
2756 2007-02-04  Richard Guenther  <rguenther@suse.de>
2758         PR middle-end/30636
2759         * fold-const.c (try_move_mult_to_index): Make sure to not
2760         overflow one dimension of a multi-dimensional array access.
2762 2007-02-04  Jan Hubicka  <jh@suse.cz>
2764         * passes.c (init_optimization_passes): Reindent.
2766 2007-02-04  Jan Hubicka  <jh@suse.cz>
2767             Eric Botcazou  <ebotcazou@adacore.com>
2769         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2770         (execute_fixup_cfg): Break out the abnormal goto code.
2771         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2772         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2773         (optimize_inline_calls): Call make_nonlocal_label_edges.
2775 2007-02-04  Jan Hubicka  <jh@suse.cz>
2777         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2778         true when something was changed.
2779         (rename_ssa_copies): When something was changed, do
2780         TODO_remove_unused_locals.
2781         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2782         add TODO_remove_unused_locals when instruction was removed.
2784 2007-02-04  Jan Hubicka  <jh@suse.cz>
2786         * ipa-inline.c (try_inline): Improve debug output; work on already
2787         inline edges too.
2788         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2789         call try_inline for already inlined edges too when flattening;
2790         inline also functions that make callee growth but overall unit size
2791         reduce.
2793 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2795         * config/m32c/bitops.md, config/m32c/jump.md,
2796         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2797         config/m32r/m32r.h, config/m32r/m32r.md,
2798         config/m32r/predicates.md, config/m68hc11/larith.asm,
2799         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2800         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2801         config/mips/mips-protos.h, config/mips/mips.c,
2802         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2803         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2804         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2805         spelling conventions.
2807         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2808         Follow spelling conventions.
2810 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2812         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2813         warn about C++0x compatibility.
2815 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2817         * config/h8300/h8300.c, config/h8300/h8300.h,
2818         config/h8300/h8300.md: Follow spelling conventions.
2820 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2822         PR middle-end/30667
2823         * combine.c (try_combine): Do not substitute source operand
2824         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2826 2007-02-03  Jan Hubicka  <jh@suse.cz>
2828         PR gcov-profile/30650
2829         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2830         do not divide by zero for never executed counters.
2831         (tree_find_values_to_profile): Fix counters.
2832         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2834 2007-02-03  Ian Lance Taylor  <iant@google.com>
2836         * lower-subreg.c (simple_move_operand): New static function,
2837         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2838         operands.
2839         (simple_move): Call simple_move_operand.
2840         (find_decomposable_subregs): Add special handling of MEMs.
2841         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2842         meaning of return value.  If we see a hard register, test whether
2843         it can store a word_mode value.  Change all callers.
2845 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2847         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2848         ftrapv insns and expanders.
2849         (subdi3): Change define_expand operand 1 to arith11_operand, and
2850         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2851         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2852         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2853         respectively.
2855         PR middle-end/30174
2856         * varasm.c (notice_global_symbol): Treat global objects as weak when
2857         flag_shlib is true.
2859 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2861         * emit-rtl.c (dconstpi): Delete.
2862         (dconstsqrt2): New.
2863         (init_emit_once): Delete dconstpi and init dconstsqrt2.
2864         * real.h (dconstpi): Delete.
2865         (dconstsqrt2): New.
2866         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2867         (fold_builtin_hypot): Likewise.
2869 2007-02-03  Tom Tromey  <tromey@redhat.com>
2871         PR driver/30246
2872         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2873         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2875 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2877         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2878         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2879         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2880         config/rs6000/cell.md, config/rs6000/darwin.h,
2881         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2882         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2883         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2884         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2885         typos.  Follow spelling conventions.
2886         * doc/invoke.texi: Follow spelling conventions.
2888 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2890         * simplify-rtx.c (simplify_relational_operation_1): Implement some
2891         canonicalization transformations that attempt to simplify integer
2892         constant comparisons to become comparisons against zero.
2894 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2896         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2897         fabs(x)*sqrt(2).
2898         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
2899         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
2901 2007-02-02  Mike Stump  <mrs@apple.com>
2903         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2904         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2905         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2906         generate a branch island.
2908 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
2910         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2911         (xtensa_legitimate_address_p): New.
2912         (xtensa_legitimize_address): New.
2913         (xtensa_output_addr_const_extra): New.
2914         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2915         (BASE_REG_P): New.
2916         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2917         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2918         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2919         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2920         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
2921         (xtensa_legitimize_address): New.
2922         (xtensa_output_addr_const_extra): New.
2924 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
2926         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2928 2007-02-02  Ian Lance Taylor  <iant@google.com>
2930         * expmed.c (expand_divmod): Add comment.
2932 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
2934         * emit-rtl.c (renumber_insns): Remove.
2935         * flags.h: Remove the extern for flag_renumber_insns.
2936         * rtl.h: Remove the prototype for renumber_insns.
2937         * toplev.c (flag_renumber_insns): Remove.
2939 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
2941         Revert for x86 darwin:
2942         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
2944         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
2945         code before the following patch under TARGET_MACHO.
2946         (ix86_function_value_regno_p): Likewise.
2948 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2950         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
2951         COMPLEX_EXPR.
2953 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2955         PR target/29682
2956         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
2957         general or fp registers.  Add comments.
2958         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
2960 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
2962         * pointer-set.c (insert_aux): Only return insertion slot.
2963         (pointer_set_insert): Adjust.
2964         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
2965         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
2966         pointer_map_traverse): New.
2967         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
2968         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
2969         pointer_map_contains, pointer_map_traverse): Declare.
2971 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
2973         PR middle-end/30473
2974         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
2975         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
2977 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2979         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
2981         (struct _dep): New type.
2982         (dep_t): New typedef.
2983         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
2984         (DEP_STATUS): New access macro.  The macro with the same name was
2985         renamed to DEP_LINK_STATUS.
2986         (dep_init): Declare function
2988         (struct _dep_link): New type.
2989         (dep_link_t): New typedef.
2990         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
2991         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
2992         (DEP_LINK_STATUS): New macro.
2993         (debug_dep_links): New debug function.
2995         (struct _deps_list): New type.
2996         (deps_list_t): New typedef.
2997         (DEPS_LIST_FIRST): New access macro.
2998         (FOR_EACH_DEP_LINK): New cycle macro.
2999         (create_deps_list, free_deps_list, delete_deps_list): Declare
3000         functions.
3001         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
3002         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
3003         (copy_deps_list_change_con): Ditto.
3005         (move_dep_link): Declare function.
3007         (struct _dep_node): New type.
3008         (dep_node_t): New typedef.
3009         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
3011         (struct haifa_insn_data.back_deps): New field to hold backward
3012         dependencies of the insn.
3013         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
3014         to deps_list_t.
3015         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
3016         Change its type to deps_list_t.
3017         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
3018         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
3019         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
3021         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
3023         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
3025         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
3026         all callers.
3027         (dep_cost): Declare.
3029         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
3030         (ds_to_dk, dk_to_ds): New functions.
3032         (init_dep_1): New static function.
3033         (init_dep): New function.
3034         (copy_dep): New static function.
3036         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
3037         functions.
3038         (detach_dep_link): New static function.
3039         (move_dep_link): New function.
3041         (dep_links_consistent_p, dump_dep_links): New static functions.
3042         (debug_dep_links): New debugging function.
3044         (deps_obstack, dl_obstack, dn_obstack): New static variables.
3046         (alloc_deps_list, init_deps_list): New static functions.
3047         (create_deps_list): New function.
3048         (clear_deps_list): New static function.
3049         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
3050         (deps_list_consistent_p, dump_deps_list): New static functions.
3051         (debug_deps_list): New function.
3052         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
3053         functions.
3054         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
3056         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
3057         use new scheduler dependencies lists.
3058         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
3059         (sched_analyze): Ditto.  Initialize dependencies lists.
3060         (add_forw_dep, compute_forward_dependences): Update to use new
3061         scheduler dependencies lists.
3063         (init_dependency_caches): Init deps_obstack.
3064         (free_dependency_caches): Free deps_obstack.
3066         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
3067         new scheduler dependencies lists.
3068         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
3069         (add_back_forw_dep, delete_back_forw_dep): Ditto.
3071         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
3072         Update to use new scheduler dependencies lists.
3073         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
3074         (debug_dependencies): Ditto.
3075         (schedule_region): Update comments.
3077         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
3078         scheduler dependencies lists.
3079         (schedule_ebb): Update comments.
3081         * rtl.def (DEPS_LIST): Remove.
3083         * lists.c (unused_deps_list): Remove.
3084         (free_list): Update assertions.
3086         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
3087         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3089         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
3090         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3092         * haifa-sched.c (comments): Update.
3093         (insn_cost1): Remove.  Inline the code into insn_cost ().
3094         (insn_cost): Update to use new scheduler dependencies lists.  Move
3095         processing of the dependency cost to dep_cost ().
3096         (dep_cost): New function.  Use it instead of insn_cost () when
3097         evaluating cost of the dependency.  Use compatible interface to
3098         interact with the target.
3099         (priority): Update to use new scheduler dependencies lists.
3100         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
3101         with greater number of insns that depend on the insn.
3102         (schedule_insn): Update to use new scheduler dependencies lists.  Add
3103         code to free backward dependencies lists.  Inline and optimize code
3104         from resolve_dep () - see PR28071.
3105         (ok_for_early_queue_removal): Update to use new scheduler dependencies
3106         lists.  Update call to targetm.sched.is_costly_dependence hook.
3108         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
3109         scheduler dependencies lists.
3111         (resolve_dep): Remove.  Move the logic to schedule_insn ().
3112         (init_h_i_d): Initialize dependencies lists.
3114         (process_insn_depend_be_in_spec): Rename to
3115         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
3116         dependencies lists.
3117         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
3118         Update to use new scheduler dependencies lists.
3119         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
3121         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
3122         new scheduler dependencies lists.
3123         (build_intra_loop_deps): Ditto.
3125         * target.h (struct _dep): Declare to use in
3126         gcc_target.sched.is_costly_dependence.
3127         (struct gcc_target.sched.adjust_cost): Fix typo.
3128         (struct gcc_target.sched.is_costly_dependence): Change signature to use
3129         single dep_t parameter instead of an equivalent triad.
3130         (struct gcc_target.sched.adjust_cost_2): Remove.
3132         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
3134         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
3136         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
3137         documentation.
3138         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
3140         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
3141         (REG_DEP_TRUE): Document.
3143         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
3144         Change signature to correspond to the targetm.sched.adjust_cost hook.
3145         Update use in TARGET_SCHED_ADJUST_COST_2.
3146         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
3147         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
3148         new scheduler dependencies lists.
3149         (ia64_gen_check): Ditto.
3151         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
3152         dependencies lists.
3154         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
3155         signature to correspond to the targetm.sched.is_costly_dependence hook.
3156         (is_costly_group): Update to use new scheduler dependencies lists.
3158         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
3159         instead of INSN_COST () macro.
3161 2007-02-01  Ian Lance Taylor  <iant@google.com>
3163         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
3165 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
3167         * pa.md (tp_load): Correct mfctl instruction syntax.
3169 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
3171         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
3172         altivec_padding_size calculation on AIX.  Improve comment, add
3173         assert to verify that it's right.
3175         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
3176         64-bit.
3178 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
3180         PR inline-asm/28686
3181         * global.c (global_alloc): Add mising initialization of
3182         ELIMINABLE_REGSET.
3184 2007-02-01  Roger Sayle  <roger@eyesopen.com>
3186         * alias.c (init_alias_analysis): Correct whitespace.
3187         * bb-reorder.c (fix_edges_for_rarely_executed_code,
3188         partition_hot_cold_basic_blocks): Likewise.
3189         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3190         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
3191         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3192         fold_builtin_snprintf_chk, fold_builtin_printf,
3193         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
3194         do_mpfr_arg3, do_mpfr_sincos): Likewise.
3195         * cfgcleanup.c (cleanup_cfg): Likewise.
3196         * cfgexpand.c (tree_expand_cfg): Likewise.
3197         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
3198         * function.c (get_next_funcdef_no): Likewise.
3199         * gengtype.c (main): Likewise.
3200         * genmodes.c (main): Likewise.
3201         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3202         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3203         * ifcvt.c (noce_emit_move_insn): Likewise.
3204         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
3205         Likewise.
3206         * stor-layout.c (get_best_mode): Likewise.
3207         * tree-ssa-loop-niter.c (get_val_for): Likewise.
3208         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3209         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3210         perform_var_substitution, solve_graph): Likewise.
3211         * tree-vrp.c (vrp_finalize): Likewise.
3213 2007-02-01  Ian Lance Taylor  <iant@google.com>
3215         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3216         high part of a paradoxical subreg, return a constant zero.
3218 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
3220         * toplev.c (lang_dependent_init): Call init_set_costs.
3221         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3223 2007-02-01  Richard Guenther  <rguenther@suse.de>
3225         PR middle-end/30656
3226         * fold-const.c (fold_negate_expr): Allow negating a
3227         constant if overflow does not change.
3229 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3231         * doc/c-tree.texi (Expression trees): Improve markup.
3232         * doc/tm.texi (Register Classes, Addressing Modes)
3233         (Floating Point): Fix spacing after abbreviations.  Fix some
3234         typos.
3236 2007-02-01  Ben Elliston  <bje@au.ibm.com>
3238         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3239         * doc/contrib.texi: Likewise.
3240         * doc/install.texi: Likewise.
3242 2007-01-31  Richard Henderson  <rth@redhat.com>
3243             Ian Lance Taylor  <iant@google.com>
3245         * lower-subreg.c: New file.
3246         * rtl.def (CONCATN): Define.
3247         * passes.c (init_optimization_passes): Add pass_lower_subreg and
3248         pass_lower_subreg2.
3249         * emit-rtl.c (update_reg_offset): New static function, broken out
3250         of gen_rtx_REG_offset.
3251         (gen_rtx_REG_offset): Call update_reg_offset.
3252         (gen_reg_rtx_offset): New function.
3253         * regclass.c: Revert patch of 2006-03-05, restoring
3254         reg_scan_update.
3255         (clear_reg_info_regno): New function.
3256         * dwarf2out.c (concatn_loc_descriptor): New static function.
3257         (loc_descriptor): Handle CONCATN.
3258         * common.opt (fsplit_wide_types): New option.
3259         * opts.c (decode_options): Set flag_split_wide_types when
3260         optimizing.
3261         * timevar.def (TV_LOWER_SUBREG): Define.
3262         * rtl.h (gen_reg_rtx_offset): Declare.
3263         (reg_scan_update): Declare.
3264         * regs.h (clear_reg_info_regno): Declare.
3265         * tree-pass.h (pass_lower_subreg): Declare.
3266         (pass_lower_subreg2): Declare.
3267         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3268         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
3269         -fsplit-wide-types.
3270         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3271         * Makefile.in (OBJS-common): Add lower-subreg.o.
3272         (lower-subreg.o): New target.
3274 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3276         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3278 2007-01-31  Anatoly Sokolov <aesok@post.ru>
3280         PR target/19087
3281         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3283 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3285         PR middle-end/29335
3286         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3288 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
3290         * cfgloop.h: Include vec-prim.h.
3291         (enum li_flags): Remove LI_ONLY_OLD.
3292         (loop_iterator): Changed.
3293         (fel_next, fel_init): Iterate over loop tree.
3294         (FOR_EACH_LOOP_BREAK): New macro.
3295         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3296         FOR_EACH_LOOP.
3297         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3298         * modulo-sched.c (sms_schedule): Ditto.
3299         * tree-vectorizer.c (vectorize_loops): Ditto.
3300         * doc/loop.texi: Update information on loop numbering and behavior of
3301         FOR_EACH_LOOP wrto new loops.
3302         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3303         add_to_evolution_1): Test nestedness of loops instead of comparing
3304         their numbers.
3305         * tree-chrec.c (chrec_fold_plus_poly_poly,
3306         chrec_fold_multiply_poly_poly, chrec_evaluate,
3307         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3308         reset_evolution_in_loop): Ditto.
3309         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3311 2007-01-31  Dirk Mueller  <dmueller@suse.de>
3313         * c-common.c (warn_about_parentheses): Separate warning about
3314         un-parenthized sequence of comparison operators from the one
3315         which is supposed to warn about x <= y <= z.
3317 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
3319         * optabs.h (enum optab_index): Add new OTI_isinf.
3320         (isinf_optab): Define corresponding macro.
3321         * optabs.c (init_optabs): Initialize isinf_optab.
3322         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3323         patterns.
3324         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3325         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3326         using isinf_optab.
3327         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3328         expand_builtin_interclass_mathfn.
3329         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3330         * config/i386/i386.md (UNSPEC_FXAM): New constant.
3331         (fxam<mode>2_i387): New insn pattern.
3332         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3333         built-in functions as x87 inline asm.
3335 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3337         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3339 2007-01-30  Eric Christopher  <echristo@apple.com>
3341         * config.gcc: Add geode.
3343 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3345         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3346         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3347         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3348         value-prof.c: Fix comment typos.
3350 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3352         PR c++/24745
3353         * doc/invoke.texi (Wpointer-arith): Document warning.
3355 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
3357         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3358         the list of discrepancies from the draft TR.
3360 2007-01-30  Dirk Mueller  <dmueller@suse.de>
3362         PR c++/30601
3363         * doc/invoke.texi (-Wreturn-type): Update description to
3364         match new behavior.
3366 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
3368         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3370 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
3372         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3373         to handle optabs that operate on floating point input argument and
3374         output to integer output.
3375         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3376         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3377         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3378         expand_builtin_interclass_mathfn ().
3379         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3380         (ilogbsi2): Remove.
3381         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3382         ilogbl built-in functions as x87 intrinsics.
3384 2007-01-30  Richard Guenther  <rguenther@suse.de>
3386         PR middle-end/27657
3387         * dwarf2out.c (reference_to_unused): Query varpool if the
3388         variable was output.
3390 2007-01-30  Richard Guenther  <rguenther@suse.de>
3392         PR middle-end/30313
3393         * passes.c (execute_one_pass): Reset in_gimple_form to not
3394         confuse non-unit-at-a-time mode.
3396 2007-01-29  Roger Sayle  <roger@eyesopen.com>
3397             Richard Guenther  <rguenther@suse.de>
3399         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3400         avoid undefined behaviour on overflow.  Use force_fit_type_double
3401         to construct the constant with the specified TREE_OVERFLOW.
3403 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3405         * config/dfp-bit.c: Add parameterized support for fp exceptions.
3406         * config/dfp-bit.h: Ditto.
3408 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3410         * c-decl.c (pop_scope): Replace warnings with call to
3411         warn_for_unused_label.
3412         * c-common.h (warn_for_unused_label): Declare.
3413         * c-common.c (warn_for_unused_label): Define.
3415 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3417         * tree-optimize.c (update_inlined_to_pointers): Delete unused
3418         function.
3420 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3422         * Makefile.in (USER_H): Remove decfloat.h.
3423         * ginclude/decfloat.h: Delete, moving contents to ...
3424         * ginclude/float.h: Add support for decimal floating point,
3425         guarded by __STDC_WANT_DEC_FP__.
3427 2007-01-29  Mike Stump  <mrs@apple.com>
3429         * doc/gccint.texi (Top): Rename Loop Representation to Loop
3430         Analysis and Representation to resolve case insensitive conflict.
3431         * doc/loop.texi (Loop Analysis and Representation): Likewise.
3433 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
3435         * tree.h (struct tree_memory_tag): Add aliases member.
3436         (MTAG_ALIASES): New macro.
3437         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3438         (add_may_alias): Remove pointer-set. Update for may_aliases being
3439         a bitmap.
3440         (mark_aliases_call_clobbered): Update for may_aliases being a
3441         bitmap.
3442         (compute_tag_properties): Ditto.
3443         (create_partition_for): Ditto.
3444         (compute_memory_partitions): Ditto.
3445         (dump_may_aliases_for): Ditto.
3446         (is_aliased_with): Ditto.
3447         (add_may_alias_for_new_tag): Ditto.
3448         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3449         (compute_is_aliased): New function.
3450         (compute_may_aliases): Call compute_is_aliased).
3451         (init_alias_info): Initialize alias_bitmap_obstack.
3452         (union_alias_set_into): New function.
3453         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3454         (have_common_aliases_p): Rewrite to take two bitmaps and use
3455         intersection.
3456         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3457         Update for bitmaps.
3458         (finalize_ref_all_pointers): Update for add_may_alias changes.
3459         (new_type_alias): Ditto.
3460         * tree-flow-inline.h (may_aliases): Return a bitmap.
3461         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3462         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3463         may_aliases being a bitmap.
3464         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3465         may_aliases now returns a bitmap.
3466         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3467         being a bitmap.
3468         * tree-ssa-operands.c (add_virtual_operand): Update for
3469         may_aliases being a bitmap.
3471 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3473         PR tree-optimization/30630
3474         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3475         variable as changed.
3477 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3479         PR c++/28266
3480         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3481         expanded only once even if an error occurs.
3483 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3485         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3486         (__gcov_average_profiler): Likewise.
3487         (__gcov_ior_profiler): Likewise.
3488         (__gcov_merge_ior): Likewise.
3490 2007-01-28  Jan Hubicka  <jh@suse.cz>
3492         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3493         * value-prof.c (stringop_block_profile): Likewise.
3495 2007-01-28  Jan Hubicka  <jh@suse.cz>
3497         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3498         variant handling histograms; add wrapper.
3499         (clear_storage_via_libcall): Export.
3500         (emit_block_move_hints): Break out from ...; add histograms.
3501         (emit_block_move): ... this one.
3502         (clear_storage_hints): Break out from ...; add histograms.
3503         (clear_storage): ... this one.
3504         (set_storage_via_memset): Handle histogram.
3505         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3506         (clear_storage_hints, clear_storage_via_libcall): Declare.
3507         (set_storage_via_setmem): Update prototype.
3508         * doc/md.texi (movmem, setmem): Document new arguments.
3510         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3511         new histograms.
3512         (stringop_block_profile): New global function.
3513         (tree_stringops_values_to_profile): Profile block size and alignment.
3514         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3515         HIST_TYPE_IOR.
3516         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3517         (stringop_block_profile): Declare.
3518         * builtins.c: Include value-prof.h.
3519         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3520         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3521         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3522         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3523         * profile.c (instrument_values): Add new counters.
3524         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3525         calls.
3526         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3527         (tree_init_edge_profiler): Build new profilers.
3528         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3529         (pass_tree_profile): Add dump.
3530         (tree_profile_hooks): Update.
3531         * Makefile.in (LIBGCOV): Add new constants.
3532         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3533         __gcov_ior_profiler): New.
3534         * i386.md (movmem/setmem expanders): Add new optional arguments.
3536 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3538         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3540 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3542         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3543         (tree_unswitch_single_loop): Pass eni_size_weights to
3544         tree_num_loop_insns.
3545         * tree-ssa-loop-manip.c: Include tree-inline.h.
3546         (can_unroll_loop_p): Pass eni_size_weights to
3547         tree_num_loop_insns.
3548         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3549         Pass eni_size_weights to estimate_num_insns.
3550         * tree.h (init_inline_once): Export.
3551         * toplev.c (backend_init): Call init_inline_once.
3552         * cgraphunit.c (cgraph_process_new_functions,
3553         cgraph_analyze_function): Pass eni_inlining_weights to
3554         estimate_num_insns.
3555         * ipa-inline.c (compute_inline_parameters): Ditto.
3556         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3557         to estimate_num_insns.
3558         (try_unroll_loop_completely): Pass eni_size_weights to
3559         tree_num_loop_insns.
3560         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3561         ot estimate_num_insns.
3562         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3563         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3564         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3565         eni_time_weights): New variables.
3566         (init_inline_once): Initialize them.
3567         (struct eni_data): Mew.
3568         (estimate_num_insns_1, estimate_num_insns): Use weights.
3569         * tree-inline.h (struct eni_weights_d): New.
3570         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3571         (estimate_num_insns): Declaration changed.
3572         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3573         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3574         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3576 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3578         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3579         relations in the conflict function is valid.
3581 2007-01-27  Ian Lance Taylor  <iant@google.com>
3583         * common.opt: Add fstrict-overflow.
3584         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3585         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3586         (TYPE_OVERFLOW_UNDEFINED): Define.
3587         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3588         Replace all uses.
3589         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3590         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3591         (fold_negate_expr): Likewise.
3592         (make_range): Likewise.
3593         (extract_muldiv_1): Likewise.
3594         (maybe_canonicalize_comparison): Likewise.
3595         (fold_comparison): Likewise.
3596         (fold_binary): Likewise.
3597         (tree_expr_nonnegative_p): Likewise.
3598         (tree_expr_nonzero_p): Likewise.
3599         * tree-vrp.c (compare_values): Likewise.
3600         (extract_range_from_binary_expr): Likewise.
3601         (extract_range_from_unary_expr): Likewise.
3602         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3603         Likewise.
3604         (nowrap_type_p): Likewise.
3605         * tree-scalar-evolution.c (simple_iv): Likewise.
3606         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3607         (build_range_check): Likewise.
3608         (extract_muldiv_1): Likewise.
3609         (fold_comparison): Likewise.
3610         * tree-vrp.c (vrp_int_const_binop): Likewise.
3611         (extract_range_from_unary_expr): Likewise.
3612         * convert.c (convert_to_integer): Likewise.
3613         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3614         (fold_comparison): Likewise.
3615         (fold_binary): Likewise.
3616         * optabs.c (optab_for_tree_code): Likewise.
3617         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3618         * simplify-rtx.c (simplify_const_relational_operation): Check
3619         flag_strict_overflow and flag_trapv.
3620         (simplify_const_relational_operation): Likewise.
3621         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3622         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
3623         -fstrict-overflow.
3625 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3627         * tree.c (tree_fold_gcd): Delete.
3628         * tree.h (tree_fold_gcd): Remove prototype.
3629         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3630         test whether one constant integer is a multiple of another.  Instead
3631         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3632         * fold-const.c (multiple_of_p):  We've determined both TOP and
3633         BOTTOM are integer constants so we can call int_const_binop directly
3634         instead of the more generic const_binop.
3636 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3638         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3639         1*X check that the constant hasn't overflowed, to preserve the
3640         TREE_OVERFLOW bit.
3641         (round_up): Provide an efficient implementation when rouding-up an
3642         INTEGER_CST to a power-of-two.
3644 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3646         * doc/sourcebuild.texi: Add comma for clarity.
3647         * doc/extend.texi: Fix some typos.
3648         * doc/passes.texi: Likewise.
3649         * doc/cppinternals.texi: Likewise.
3650         * doc/c-tree.texi: Likewise.
3651         * doc/tree-ssa.texi: Likewise.
3652         * doc/install.texi: Likewise.
3654 2007-01-27  Jan Hubicka  <jh@suse.cz>
3656         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3657         (pass_sra): Do not require alias information.
3658         * passes.c (init_optimization_passes): Add SRA
3660 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3662         * tracer.c (rest_of_handle_tracer): We already cleaned
3663         up the CFG in tracer() so don't do it here again.
3664         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3665         cleanup_cfg here, either.  And don't call renumber_insns.
3667         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3668         and BB_HEAD are in the insn stream here.  Instead make sure
3669         that BB_INSN is valid on all insns.  Also, do check here that
3670         there are no pending branch predictions...
3671         (rtl_verify_flow_info): ...instead of doing it here.  Checks
3672         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3673         here.
3675 2007-01-26  Roger Sayle  <roger@eyesopen.com>
3677         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3678         function to simplify/factorize operand order canonicalization.
3679         (ix86_fixup_binary_operands): Reorganize using the above function.
3680         (ix86_binary_operator_ok): Likewise.
3682 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3684         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3685         file scope from optimize_attrs.
3686         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3687         up search.
3688         (optimize_attrs): Clear insn_code_values after freeing it.
3690 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3692         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3693         a parts.base assignment.
3695 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3697         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3698         (compute_subscript_distance, initialize_data_dependence_relation,
3699         finalize_ddr_dependent, analyze_ziv_subscript,
3700         analyze_siv_subscript_cst_affine,
3701         compute_overlap_steps_for_affine_univar,
3702         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3703         analyze_siv_subscript, analyze_miv_subscript,
3704         analyze_overlapping_iterations, subscript_dependence_tester_1,
3705         compute_self_dependence, free_dependence_relation): Work
3706         with affine_fn instead of chrecs.
3707         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3708         common_affine_function, affine_function_base,
3709         affine_function_constant_p, affine_fn_op, affine_fn_plus,
3710         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3711         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3712         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3713         (all_chrecs_equal_p): Removed.
3714         * tree-data-ref.h (affine_fn, conflict_function): New types.
3715         (struct subscript): Change type of conflicting_iterations_in_a
3716         and conflicting_iterations_in_b.
3718 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
3720         PR other/30182
3721         * config/pa/pa.h (TARGET_HPUX_11): New.
3722         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3723         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3725 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
3726         Richard Guenther  <rguenther@suse.de>
3728         * tree-ssa-structalias.c (solve_graph): Handle case
3729         we merged the variable to another.
3731 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3733         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3734         functions.
3736         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3737         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3739 2007-01-25  DJ Delorie  <dj@redhat.com>
3741         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3742         allow changes to modes which don't fit in those registers.
3744         * reload1.c (choose_reload_regs): Check for invalid subregs before
3745         computing their locations, not after.
3747 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
3749         PR 25127
3750         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3751         save Altivec registers in an eh_return function.
3752         (compute_vrsave_mask): Likewise.
3753         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3754         for saving Altivec registers.
3755         (rs6000_emit_prologue): Don't allocate stack twice in
3756         eh_return function.  Correct expected value of altivec_save_offset
3757         when using save_world.  Describe save of R0 to stack when using
3758         save_world.  Describe stack pointer adjustment when using
3759         save_world.  Remove duplicated eh_return parameter register saving.
3760         Update sp_offset variable after save_world.
3761         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3762         darwin-world.asm.
3763         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3764         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3765         implies Altivec.
3767 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3769         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3771 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3773         PR other/30182
3774         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3775         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
3777 2007-01-25  Richard Guenther  <rguenther@suse.de>
3779         * doc/invoke.texi (-Wcoverage-mismatch): Document.
3780         * common.opt (-Wcoverage-mismatch): New warning option.
3781         * coverage.c (get_coverage_counts): Ignore coverage mismatch
3782         if -Wcoverage-mismatch is given.
3784 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
3786         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3787         (ipcp_driver): Change to static definition.
3788         Add dumping of the ifunctions.
3789         (constant_val_insert): Remove unused parameter. Support for SSA.
3790         (ipcp_propagate_const): Support for SSA.
3791         (ipcp_profile_bb_print): Print only analyzed nodes.
3792         (ipcp_replace_map_create): Remove support for Fortran constant
3793         for now.
3794         * ipa-prop.c (ipa_method_modify_stmt,
3795         ipa_callsite_compute_param): Support for SSA.
3796         * ipa-prop.h (ipcp_driver): Remove declaration.
3797         (IS_VALID_TREE_MAP_INDEX): Add define.
3799 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
3801         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3803 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3805         PR middle-end/30447
3806         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3807         constant argument to cabs and do it without checking for
3808         -funsafe-math-optimizations.
3810 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
3812         * c-common.h (RID_FIRST_CXX0X): New.
3813         (RID_LAST_CXX0X): New.
3814         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3815         by -Wall.
3816         * c.opt (Wc++0x-compat): New.
3817         * doc/invoke.texi (-Wc++0x-compat): Document.
3819 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3821         * builtins.c (fold_builtin_carg): New.
3822         (fold_builtin_1): Use it.
3824 2007-01-24  Jan Hubicka  <jh@suse.cz>
3826         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3828         * ipa-inline.c (initial_insns, max_insns): Delete.
3829         (compute_max_insns): New function.
3830         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3831         of insns as base for code growth.
3832         (cgraph_decide_inlining): Make initial_insns local; do not compute
3833         max_insns.
3834         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3835         * doc/invoke.texi (inline-unit-growth): Update docs.
3837 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
3839         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3840         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3841         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3842         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
3843         for CPUs that have PTA_CX16 set.
3845         PR middle-end/27416
3846         * gimplify.c (omp_check_private): New function.
3847         (gimplify_scan_omp_clauses): Use it for
3848         firstprivate/lastprivate/reduction.
3850         PR middle-end/30494
3851         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3852         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3854         PR middle-end/30421
3855         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3856         If lower_lastprivate_clauses emits some statements, append them
3857         to dlist rather than body_p and to body_p append an initializer.
3858         (lower_omp_for): Adjust caller.
3860 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
3862         * target.h (globalize_decl_name): New.
3863         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3864         * output.h (default_globalize_decl_name): New.
3865         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
3866         globalize_label.
3867         (globalize_decl): Ditto.
3868         (default_globalize_decl_name): New.
3869         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
3870         (ia64_handle_version_id_attribute): New.
3871         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3872         (ia64_asm_output_external): Use globalize_decl_name instead
3873         of globalize_label.
3874         * doc/extend.texi (version_id): New pragma.
3875         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
3877 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3879         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
3880         _uleb128_t and _Unwind_SWord with _sleb128_t.
3881         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
3882         uw_frame_state_for, uw_update_context_1): Likewise.
3883         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
3884         * unwind-pe.h (read_uleb128, read_sleb128,
3885         read_encoded_value_with_base): Likewise.
3886         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
3888 2007-01-24  Richard Guenther  <rguenther@suse.de>
3890         * builtins.c (expand_builtin_cexpi): Get the fndecl
3891         for cexp in the correct way.
3893 2007-01-24  Jan Hubicka  <jh@suse.cz>
3895         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
3897 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3899         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
3900         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
3901         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
3902         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
3903         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
3904         __SIZEOF_PTRDIFF_T__.
3905         * doc/cpp.texi: Documentation for the new builtin macros added.
3907 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
3909         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
3910         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
3911         instead of operands[2] to avoid access past the end of array.
3913 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
3915         * reload1.c (emit_reload_insns): Pass the reload register
3916         for a non-spill output reload through forget_old_reloads_1.
3918 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
3920         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3921         _SOFT_DOUBLE if doubles use software floating-point.
3922         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
3923         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3924         * config/rs6000/darwin-ldouble.c: Also compile functions for
3925         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
3926         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3927         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
3928         commented-out long double override.
3929         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
3930         * config/rs6000/eabispe.h: Likewise.
3931         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
3932         long double for non-SPE.
3933         (rs6000_handle_option): Likewise.
3934         (invalid_e500_subreg): Disallow more subregs involding DImode,
3935         DFmode, TImode or TFmode.
3936         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
3937         E500 double.
3938         (legitimate_lo_sum_address_p): Also check for TFmode for E500
3939         double.
3940         (rs6000_legitimize_address): Also handle TFmode for E500 double.
3941         (rs6000_legitimize_reload_address): Also handle TFmode for E500
3942         double.
3943         (rs6000_legitimate_address): Also check for TFmode for E500
3944         double.
3945         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
3946         (spe_build_register_parallel): Handle TFmode and TCmode.
3947         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
3948         double.
3949         (function_arg): Handle TFmode and TCmode for E500 double.
3950         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
3951         in general.
3952         (print_operand): Handle TFmode and TImode for %y.
3953         (rs6000_generate_compare): Handle TFmode comparisons for E500
3954         double.
3955         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
3956         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
3957         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
3958         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
3959         TFmode for E500 double.
3960         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
3961         (floatsidf2): Enable for E500 double.
3962         (movtf_softfloat): Use rs6000_nonimmediate_operand.
3963         (extenddftf2): Change to extenddftf2_fprs.
3964         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
3965         depending on TARGET_E500_DOUBLE.
3966         (extendsftf2): Enable for E500 double.
3967         (trunctfdf2): Enable for E500 double.
3968         (trunctfsf2): Change to trunctfsf2_fprs.
3969         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
3970         depending on TARGET_E500_DOUBLE.
3971         (floatsitf2): Enable for E500 double.
3972         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
3973         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
3974         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
3975         (negtf2): Change to negtf2_internal.
3976         (negtf2): New expander.
3977         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
3978         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
3979         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
3980         (movdi_internal32): Use rs6000_nonimmediate_operand.
3981         (unnamed splitter): Likewise.
3982         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
3983         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
3984         (SPE64TF, DITI): New mode macros.
3985         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
3986         modes.
3987         (frob_tf_ti): New.
3988         (frob_<mode>_di_2): New.
3989         (frob_tf_di_8_2): New.
3990         (frob_di_df): Change to frob_di_<mode>; allow more modes.
3991         (frob_ti_tf): New.
3992         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
3993         more modes.
3994         (frob_ti_<mode>_8_2): New.
3995         (frob_ti_tf_2): New.
3996         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
3997         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
3998         TFmode.
3999         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
4000         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
4001         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
4002         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
4003         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
4004         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
4005         tsttflt_gp): New.
4007 2007-01-23  Ian Lance Taylor  <iant@google.com>
4009         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
4010         insn-*.o first.
4011         (OBJS-archive): Reformat, alphabetize.
4012         (OBJS): Change out_object_file to OBJS-md.
4014 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
4016         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
4017         JUMP_P and CALL_P predicates where applicable.
4018         * config/i386/i386.c: Ditto.
4019         * config/i386/i386.md: Ditto.
4020         * config/i386/mmx.md: Ditto.
4021         * config/i386/predicates.md: Ditto.
4023 2007-01-22  Andreas Schwab  <schwab@suse.de>
4025         * config/m68k/m68k.h: Fix comment.
4027 2007-01-22  Jan Hubicka  <jh@suse.cz>
4029         * passes.c (init_optimization_passes): Do not rerun
4030         pass_early_warn_uninitialized.
4032 2007-01-22  Richard Guenther  <rguenther@suse.de>
4034         PR tree-optimization/30038
4035         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
4036         function.
4037         (execute_cse_sincos_1): Likewise.
4038         (execute_cse_sincos): Likewise.
4039         (gate_cse_sincos): Likewise.
4040         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
4041         the cexpi() canonicalization of sincos().
4042         * tree-pass.h (pass_cse_sincos): Declare.
4043         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
4045 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4047         PR rtl-optimization/29329
4048         * combine.c (replaced_rhs_insn): Rename to i2mod.
4049         (replaced_rhs_value): Rename to i2mod_new_rhs.
4050         (i2mod_old_rhs): New global variable.
4051         (combine_instructions): Adjust for above change.  Save a copy of
4052         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
4053         note are substituted in the second instruction.
4054         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
4055         ditch the note if it pertains to the second eliminated register
4056         and this register is mentioned in i2mod_old_rhs.
4058         Revert:
4059         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4061         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4062         the insn to which the note was originally attached.
4064 2007-01-21  Jan Hubicka  <jh@suse.cz>
4066         * ipa-inline.c (inlining_mode): Comment, move up.
4067         (cgraph_decide_inlining_incrementally): Do not perform inlining
4068         itself; fix handling of flattening of self recursive functions.
4069         (cgraph_find_cycles): Remove.
4070         (cgraph_flatten_node): Remove.
4071         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
4072         (try_inline): New function.
4073         (cgraph_early_inlining): Update call of
4074         cgraph_decide_inlining_incrementally.  Apply inlining here.
4075         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
4077 2007-01-21  Dirk Mueller  <dmueller@suse.de>
4079         PR bootstrap/30511
4080         * tree-vrp.c (check_array_bounds): do not warn
4081         about ADDR_EXPR's of ARRAY_REF's which are immediately
4082         used in binary expressions.
4084 2007-01-21  Ira Rosen  <irar@il.ibm.com>
4086         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
4087         read_write_dep and macros for its access.
4088         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
4089         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
4090         argument, call vect_check_interleaving for every independent pair of
4091         data-refs. Mark loads that access the same memory location as a store
4092         in the loop.
4093         (vect_check_dependences): Remove.
4094         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
4095         call, fix the call to vect_analyze_data_ref_dependence.
4096         (vect_analyze_data_ref_access): For statements that access the same
4097         data-ref, check that they are not stores; for loads, check that there
4098         is no store that access the same location.
4100 2007-01-20  Roger Sayle  <roger@eyesopen.com>
4101             Joseph Myers  <joseph@codesourcery.com>
4103         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
4104         (-fdump-rtl-stack): Likewise.
4105         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
4106         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
4107         (-mpt-fixed): Use @minus{} for minus sign.
4108         (Using Precompiled Headers): Fix under/overfull hbox.
4110 2007-01-20  Jan Hubicka  <jh@suse.cz>
4112         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
4113         place within annotation.
4115 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4117         * pa.c (output_move_double): Change array size of xoperands to 4.
4119 2007-01-20  Jan Hubicka  <jh@suse.cz>
4121         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
4122         as temporary.
4124 2007-01-19  Ian Lance Taylor  <iant@google.com>
4126         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
4127         constant to unsigned HOST_WIDE_INT before negating.
4129 2007-01-19  Ian Lance Taylor  <iant@google.com>
4131         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
4132         to unsigned.
4133         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
4134         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4135         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
4136         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
4137         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4138         (realloc_vdef, realloc_vuse): Change second parameter to
4139         unsigned.
4140         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
4141         fields to unsigned.
4142         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
4143         unsigned. Change x and lim locals to unsigned.
4144         (realloc_vdef, realloc_vuse): Change num_elem parameter to
4145         unsigned.
4146         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
4147         (copy_virtual_operands): Change i and n locals to unsigned.
4149 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4151         PR middle-end/29335
4152         * builtins.c (fold_builtin_1): Handle builtin fdim.
4154 2007-01-20  Jan Hubicka  <jh@suse.cz>
4156         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
4157         * tree-ssa-structalias.c (compute_points_to_sets): Do call
4158         init_alias_heapvars.
4159         (init_alias_heapvars): Initialize only when not already initialized.
4160         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
4162 2007-01-19  Roger Sayle  <roger@eyesopen.com>
4164         * common.opt (fsigned-zeros): New command line option.
4165         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
4166         of flag_unsafe_math_optimizations.
4167         * opts.c (set_fast_math_flags): The -ffast-math command line option
4168         implies -fno-signed-zeros.
4169         (fast_math_flags_set_p): Likewise.
4171         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
4172         the documentation of -ffast-math appropriately.  Wrap long lines.
4174 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
4176         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
4177         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
4179 2007-01-19  Tomas Bily  <tbily@suse.cz>
4181         * cgraphunit.c (cgraph_finalize_function): Updating of pid
4182         * tree-profile.c:
4183         (tree_init_ic_make_global_vars): New function
4184         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
4185         (tree_gen_ic_profiler): New function
4186         (tree_gen_ic_func_profiler): New function
4187         (tree_profiling): Added calling of tree_gen_ic_func_profiler
4188         (tree_profile_hooks): Added hook for indirec/virtual calls
4189         * value-prof.c (tree_find_values_to_profile): New case for
4190         indirect calls
4191         (tree_values_to_profile): Call for determining indirect/virtual
4192         counters
4193         (tree_indirect_call_to_profile): New function
4194         (tree_ic_transform): New function
4195         (tree_ic): New function
4196         (find_func_by_pid): New function
4197         (init_pid_map): New function
4198         (tree_value_profile_transformations): Added check for
4199         indirect/virtual call transformation
4200         * value-prof.h (enum hist_type): New counter type for
4201         indirect/virtual calls
4202         (profile_hooks): Added new hook for profiling indirect/virtual
4203         calls
4204         * profile.c (instrument_values): New case for indirect/virtual
4205         call added
4206         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
4207         (GCOV_COUNTER_V_INDIR): New counter type
4208         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
4209         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
4210         call added
4211         * cgraph.c: Definition of cgraph_max_pid
4212         (cgraph_create_node): Default init of pid attribute
4213         * cgraph.h: Declaration of cgraph_max_pid
4214         (struct cgraph_node): Added pid attribute
4215         * libgcov.c (__gcov_indirect_call_profiler): New function
4216         (__gcov_one_value_profiler_body): New function
4217         (__gcov_one_value_profiler): Body was moved to
4218         __gcov_one_value_profiler_body and calls it
4220 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
4222         * doc/gty.texi (Options): Document the mark_hook option to GTY.
4223         * gengtype.c (write_types_data, write_func_for_structure,
4224         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
4225         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
4226         (walk_type, write_func_for_structure): Generate the mark_hook if
4227         needed.
4229 2007-01-19  Jan Hubicka  <jh@suse.cz>
4231         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
4232         'early' argument take inlining mode argument specifying whether to
4233         inline for size/speeed or all functions; add support for flattening;
4234         improve dumpting.
4235         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
4237 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4239         PR c++/17947
4240         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
4241         the name of the declared identifier.
4243 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4245         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
4246         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
4247         duplicate evaluation.
4249 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4251         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
4252         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
4253         to XFMode, use acosxf2 and truncate result to requested mode.
4254         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4255         (asin<mode>2): Similarly, with asin expanders.
4256         (*fscalexf4_i387): Rename from *fscalexf4.
4257         (expNcorexf3): New expander.
4258         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
4259         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
4260         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
4261         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
4262         patterns for SSE math.
4263         (exp10<mode>2): Similarly, with exp10 expanders.
4264         (exp2<mode>2): Similarly, with exp2 expanders.
4265         (expm1<mode>2): Similarly, with expm1 expanders.
4266         (ldexp<mode>3): Similarly, with ldexp expanders.
4267         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
4268         Use gen_truncxf<mode>2_i387_noop to truncate result.
4270 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4272         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
4273         for ColdFire targets.
4275 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
4276             Richard Sandiford  <richard@codesourcery.com>
4278         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
4279         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
4280         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
4281         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
4282         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4283         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4285 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4287         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
4288         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
4289         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
4290         (*adddi_dilshr32_cf): New pattern.
4291         (adddi3, subdi3): Remove first alternatives.
4293 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4295         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
4296         implemented using move.l, do not use its cc result for floating-point
4297         comparisons.
4299 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4301         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
4302         from accepting 's' constraints if flag_pic.
4304 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4306         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
4307         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
4308         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
4309         condition from TARGET_68881 to TARGET_HARD_FLOAT.
4311 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
4313         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
4314         ColdFire alternatives.
4315         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
4316         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
4317         architectures that support ff1 instruction.
4319 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4320             Julian Brown  <julian@codesourcery.com>
4322         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
4323         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
4324         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
4325         Add commentary.
4327 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4329         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
4330         and return a bool.
4331         (output_move_const_into_data_reg, output_move_simode_const): Delete.
4332         * config/m68k/m68k.c (const_method, const_int_cost): Take a
4333         HOST_WIDE_INT instead of an rtx.
4334         (m68k_rtx_costs): Update call accordingly.
4335         (output_move_const_into_data_reg): Likewise.  Fix formatting.
4336         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
4337         Return a bool.
4338         (output_move_simode_const): Update calls after above changes.
4339         Rework to use automatic variables and predicates like MEM_P.
4340         * config/m68k/m68k.md (pushexthisi_const): Update call to
4341         valid_mov3q_const.
4343 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4345         * tree-ssa-alias.c (perform_var_substitution): Fix typo
4346         in dump_flags test.
4348 2007-01-19  Richard Guenther  <rguenther@suse.de>
4350         * builtins.c (expand_builtin_cexpi): Fall back to expanding
4351         via cexp in case sincos is not available.
4353 2007-01-19  Richard Guenther  <rguenther@suse.de>
4355         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
4356         * defaults.h (TARGET_HAS_SINCOS): Default to off.
4357         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
4358         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
4359         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
4360         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
4361         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
4362         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
4364 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4366         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
4367         New insn patterns.
4368         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
4369         (atan2xf3): Directly generate RTL pattern.
4370         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
4371         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4372         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4373         disable patterns for SSE math.
4374         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
4375         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4376         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4377         disable patterns for SSE math.
4379 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
4381         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
4383 2007-01-18  Roger Sayle  <roger@eyesopen.com>
4385         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
4386         VIEW_CONVERT_EXPR to the same type as it's operand.
4388 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
4390         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
4391         configured for long double 128.
4393 2007-01-18  Mike Stump  <mrs@apple.com>
4395         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
4396         error.
4398 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
4400         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
4401         type correct.
4403 2007-01-18  Jan Hubicka  <jh@suse.cz>
4405         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
4406         greater than NUM_VOP_FREE_BUCKETS.
4408 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
4410         * tree-ssa-structalias.c: Update comments.
4411         (ptabitmap_obstack): Removed.
4412         (pta_obstack): New.
4413         (oldpta_obstack): Ditto.
4414         (stats): Add a few members.
4415         (struct variable_info): Remove node, complex, address_taken, and
4416         indirect_target members. Add oldsolution member.
4417         (new_var_info): Do not initialize removed members.
4418         (constraint_expr_type): Remove INCLUDES.
4419         (constraint_graph): Add size, implicit_preds, rep,
4420         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
4421         (FIRST_REF_NODE): New macro.
4422         (LAST_REF_NODE): Ditto.
4423         (FIRST_ADDR_NODE): Ditto.
4424         (find): New function.
4425         (unite): Ditto.
4426         (dump_constraint): Do not handle INCLUDES.
4427         (insert_into_complex): Do not insert duplicate constraints.
4428         (condense_varmap_nodes): Renamed and rewritten into ...
4429         (merge_node_constraints): This. Also fix bug in handling of
4430         offseted copy constraints.
4431         (clear_edges_for_node): No longer need to deal with preds at all,
4432         or removing associated preds/succs.
4433         (merge_graph_nodes): Deal with indirect_cycles.
4434         Don't deal with predecessors.
4435         (add_implicit_graph_edge): New function.
4436         (add_pred_graph_edge): Ditto.
4437         (add_graph_edge): Don't deal with predecessors.
4438         (build_constraint_graph): Removed.
4439         (build_pred_graph): New function.
4440         (build_succ_graph): Ditto.
4441         (struct scc_info): Removed in_component. Added roots, dfs, and
4442         node_mapping. Remove visited_index, unification_queue.
4443         (scc_visit): Deal with union-find we do now.
4444         Deal with cycles with REF nodes.
4445         (collapse_nodes): Renamed and rewritten to ...
4446         (unify_nodes): This.
4447         (process_unification_queue): Removed.
4448         (topo_visit): Cleanup
4449         (do_da_constraint): Use find.
4450         (do_sd_constraint): Ditto.
4451         (do_ds_constraint): Ditto.
4452         (do_complex_constraint): Ditto.
4453         (init_scc_info): Update for removed and added members.
4454         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
4455         (find_indirect_cycles): This.
4456         (equivalence_class): New variable.
4457         (label_visit): New function.
4458         (perform_variable_substitution): Rewritten.
4459         (free_var_substitution_info): New function.
4460         (find_equivalent_node): Ditto.
4461         (move_complex_constraints): Ditto.
4462         (eliminate_indirect_cycles): Ditto.
4463         (solve_graph): Only propagate changed bits.
4464         Use indirect cycle elimination.
4465         Use find.
4466         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
4467         (tree_id_eq): Renamed to ...
4468         (tree_vi_eq): This. Update for member change
4469         (insert_id_for_tree): Renamed and rewritten to ...
4470         (insert_vi_for_tree): This.
4471         (lookup_id_for_tree): Renamed and rewritten to ...
4472         (lookup_vi_for_tree): This.
4473         (get_id_for_tree): Renamed and rewritten to ...
4474         (get_vi_for_tree): Ditto.
4475         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
4476         (process_constraint): Don't handle INCLUDES.
4477         Remove special ADDRESSOF case.
4478         (find_func_aliases): Rewrite to use vi functions instead of id
4479         ones.
4480         (create_function_info_for): Ditto.
4481         (create_variable_info_for): Ditto.
4482         (intra_create_variable_infos): Ditto.
4483         (merge_smts_into): Ditto.
4484         (find_what_p_points_to): Ditto.
4485         (init_base_vars): Ditto.
4486         (init_alias_vars): Ditto.
4487         (remove_preds_and_fake_succs): New function.
4488         (dump_sa_points_to_info): Dump new stats.
4489         (dump_solution_for_var): Use find.
4490         (set_used_smts): Fix formatting.
4491         (compute_points_to_sets): Updated for new functions.
4492         (ipa_pta_execute): Ditto.
4494 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4495             Richard Sandiford  <richard@codesourcery.com>
4497         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
4498         parallels.
4499         * calls.c (expand_call): If the return value is a PARALLEL,
4500         extract its first member.
4501         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
4502         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4503         use FUNCTION_EXTRA_EPILOGUE.
4504         (m68k_function_value): Return a PARALLEL if the return value
4505         is of a pointer type.
4506         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
4507         (FUNCTION_EXTRA_EPILOGUE): Remove.
4508         * config/m68k/m68k.md (D0_REG): New constant.
4510 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4512         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4513         output a NOP for empty epilogues.
4515 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4517         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
4518         before function.  Extend register save check to include all
4519         registers, not just integer ones.
4521 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4523         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
4524         (m68k_use_return_insn): ...this.
4525         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
4526         * config/m68k/m68k.c (use_return_insn): Rename to...
4527         (m68k_use_return_insn): ...this.
4528         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
4529         of USE_RETURN_INSN.
4531 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4533         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
4534         nearest even, fix denormal rounding overflow.
4536 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4538         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
4539         f%$smove and f%$move.
4540         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
4541         (extendsfdf2_cf): Use fdmove instead of f%&move.
4542         (truncdfsf2_cf): Use fsmove instead of f%$smove.
4543         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
4545 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4547         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
4548         GPR<-GPR moves.
4550 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4552         * real.h (real_format): Add a canonical_nan_lsbs_set field.
4553         (coldfire_single_format): Declare.
4554         (coldfire_double_format): Likewise.
4555         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
4556         of qnan_msb_set to determine the lower bits of a canonical
4557         NaN significand.
4558         (encode_ieee_double): Likewise.
4559         (encode_ieee_quad): Likewise.
4560         (ieee_single_format): Initialize canonical_nan_lsbs_set.
4561         (mips_single_format): Likewise.
4562         (ieee_double_format): Likewise.
4563         (mips_double_format): Likewise.
4564         (ieee_extended_motorola_format): Likewise.
4565         (ieee_extended_intel_96_format): Likewise.
4566         (ieee_extended_intel_128_format): Likewise.
4567         (ieee_extended_intel_96_round_53_format): Likewise.
4568         (ibm_extended_format): Likewise.
4569         (mips_extended_format): Likewise.
4570         (ieee_quad_format): Likewise.
4571         (mips_quad_format): Likewise.
4572         (vax_f_format): Likewise.
4573         (vax_d_format): Likewise.
4574         (vax_g_format): Likewise.
4575         (i370_single_format): Likewise.
4576         (i370_double_format): Likewise.
4577         (decimal_single_format): Likewise.
4578         (decimal_double_format): Likewise.
4579         (decimal_quad_format): Likewise.
4580         (c4x_single_format): Likewise.
4581         (c4x_extended_format): Likewise.
4582         (real_internal_format): Likewise.
4583         (coldfire_single_format): New real_format.
4584         (coldfire_double_format): Likewise.
4585         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
4586         canonical_nan_lsbs_set.
4587         (pdp11_d_format): Likewise.
4588         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4589         if TARGET_COLDFIRE_CPU.
4591 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4593         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4594         (output_call, m68k_legitimize_call_address): Declare.
4595         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4596         parenthesees.  Add support for a 'W' constraint.
4597         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4598         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4599         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4600         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4601         variables.
4602         (override_options): Initialize them.  Do not set flag_no_function_cse
4603         for TARGET_ID_SHARED_LIBRARY.
4604         (m68k_output_pic_call): Delete.
4605         (m68k_legitimize_call_address): New function.
4606         (print_operand): Remove the %o prefix.  Handle the %p prefix.
4607         (output_call): New function.
4608         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
4609         target address from the GOT if symbolic jumps are not allowed.
4610         * config/m68k/m68k.md (call, general_operand): Do not set
4611         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
4612         Merge separate flag_pic and !flag_pic define_insns into...
4613         (*call, *call_value): ...these new patterns.  Match the address
4614         rather than the containing MEM and require it to be a call_operand.
4615         Use output_call to generate the asm template.
4616         * config/m68k/predicates.md (const_call_operand): New predicate.
4617         (call_operand): Likewise.
4619 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4621         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4622         (STACK_GROWS_DOWNWARD): Define to 1.
4623         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4624         comments, emphasizing that these values are only defaults.
4625         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4626         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4628 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4630         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4632 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4633             Richard Sandiford  <richard@codesourcery.com>
4635         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4636         (FP_REGNO_P): New macros.
4637         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4638         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4639         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4640         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4642 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4644         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4645         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4646         to $tmake_file.
4647         * config/m68k/t-floatlib: New file, extracting common code from...
4648         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4649         * config/m68k/t-uclinux: Here.
4650         * config/m68k/fpgnulib.c: Do not compile extendeed precision
4651         routines on ColdFire targets.
4653 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4655         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4656         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4657         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4658         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4659         explicitly set MOTOROLA to 1.
4660         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4662 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4663             Nathan Sidwell  <nathan@codesourcery.com>
4665         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4666         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4667         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4668         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4669         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4670         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4671         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4672         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4673         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4674         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4675         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4676         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4677         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4678         (DBX_REGISTER_NUMBER): Delete.
4679         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4680         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4681         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4683 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4685         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4686         * config/flat.h: New file.
4687         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4688         OBJECT_FORMAT_FLAT.
4689         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4690         indirect references for -msep-data or -mid-shared-library.
4691         Do not use PC-relative code addresses either.
4692         * config/m68k/m68k.c (override_options): Restrict -fPIC error
4693         to -mpcrel.
4694         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
4695         for shared libraries and crt1.o for executables.  Use crti.o and
4696         crtbegin.o.
4697         (ENDFILE_SPEC): Use crtend.o and crtn.o.
4698         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4699         Do not add -elf2flt or -shared-lib-id options here.
4700         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
4701         Pass -shared-lib-id if -mid-shared-library, taking the library
4702         identifier from -mshared-library-id if given, otherwise
4703         defaulting to 0.
4704         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4705         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4706         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4707         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4708         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4709         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4710         and crtend.o.
4711         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4712         jump sequence for ISA A and ISA A+.
4713         (PICJUMP): Likewise.
4715 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4717         * config.gcc (m68k-*-uclinux*): Base the port on the common
4718         and m68k GNU/Linux files rather than on the generic ELF ones.
4719         * config/m68k/uclinux.h (TARGET_VERSION): Override.
4720         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4722 2007-01-18  Julian Brown  <julian@codesourcery.com>
4723             Richard Sandiford  <richard@codesourcery.com>
4725         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4726         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4727         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4728         before redefining.
4729         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4730         80 unconditionally.
4731         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4733 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4735         * doc/install.texi: Document m68k-uclinuxoldabi.
4736         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
4737         * config/m68k/uclinux-oldabi.h: New file, copied from
4738         config/m68k/uclinux.h.
4740 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
4742         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
4743         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
4744         (m32r_compute_frame_size): Use unsigned for regno.
4745         (m32r_reload_lr): Use gen_frame_mem.
4746         (pop): New.
4747         (m32r_output_function_epilogue): Don't output the function epilogue
4748         textually here.
4749         (m32r_expand_epilogue): New.
4750         (direct_return): Return false if the function has the interrupt
4751         attribute.
4752         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
4753         * config/m32r/m32r.md (epilogue): New expander.
4754         (return_lr, return_rte): New insns.
4755         (return): Make it expander.
4756         (return_normal): New expander.
4758 2007-01-18  Josh Conner  <jconner@apple.com>
4760         PR target/30485
4761         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
4762         support for UNLE, UNLT, UNGE, and UNGT.
4764 2007-01-18  Jan Hubicka  <jh@suse.cz>
4766         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
4767         * tree-tailcall (add_virtual_phis): Likewise.
4768         (optimize_tail_call): Return TODOs.
4769         (execute_tail_calls): Return TODOs.
4770         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
4771         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
4772         changed.
4773         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4774         Cleanup cfg using TODO.
4775         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
4776         * passes.c (execute_function_todo): When cleanup did something, remove
4777         unused locals.
4778         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
4779         (make_edges): Don't cleanup_cfg.
4781 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
4783         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
4784         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
4785         operate on the top of stack.
4786         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
4787         register handling of instructions that output to the second
4788         stack slot.
4789         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
4790         (move_for_stack_reg): Special-case check for dead destination
4791         stack slot for constant load of 1.0 inside UNSPEC_TAN.
4793         * config/i386/i386.md (UNSPEC_TAN): New constant.
4794         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
4795         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
4796         to correctly model move of constant 1.0 to top stack slot.
4797         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
4798         (unnamed peephole2 pattern): Remove corresponding peephole2
4799         pattern that optimizes tan insn and loading of constant 1.0.
4800         (tanxf2): Use fptanxf4_i387.
4801         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
4802         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
4803         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4804         disable patterns for SSE math.
4805         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
4806         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
4808 2007-01-18  Dirk Mueller  <dmueller@suse.de>
4809             Richard Guenther <rguenther@suse.de>
4811         PR diagnostic/8268
4812         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
4813         * common.opt (Warray-bounds): Add new warning option.
4814         * c-opts.c (c_common_handle_option): Define -Warray-bounds
4815         if -Wall is given.
4816         * Makefile.in: make tree-vrp.o depend on toplev.h
4817         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
4818         is enabled.
4819         (check_array_refs, check_array_bounds, check_array_ref): New.
4821 2007-01-18  Jan Hubicka  <jh@suse.cz>
4823         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
4824         (execute_ssa_ccp): Return flags conditionally.
4825         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
4826         changed.
4827         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
4829 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
4831         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
4832         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
4834         * Makefile.c (GTFILES): Add cfglayout.h.
4835         * gengtype.c (open_base_files): Likewise.
4836         * cfglayout.c (cfg_layout_function_footer,
4837         cfg_layout_function_header) Reindent to make gengtype happy.
4838         * cfglayout.h (cfg_layout_function_footer,
4839         cfg_layout_function_header): Add GTY(()) marker.
4841         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
4843 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4845         * genautomata.c (write_automata): Include xstrerror output in the
4846         error message if writing the DFA description file fails.
4848 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
4850         * config/mips/mips-protos.h (mips_output_external): Make it
4851         return void.
4852         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
4853         * config/mips/mips.c (irix_output_external_libcall): Likewise.
4854         (extern_list): Likewise.
4855         (extern_head): Likewise.
4856         (TARGET_ASM_FILE_END): Likewise.
4857         (mips_file_end): Likewise.
4858         (mips_output_external): Rewritten.
4860 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4862         * genpreds.c (write_insn_preds_c): Only write out the function
4863         body for regclass_for_constraint if we have register constraints.
4865 2007-01-17  Tom Tromey  <tromey@redhat.com>
4867         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
4868         * doc/install.texi (Testing): Use sourceware.org.
4869         (Binaries): Likewise.
4870         (Specific): Likewise.
4871         * doc/contrib.texi (Contributors): Use sourceware.org.
4873 2007-01-17  Anatoly Sokolov <aesok@post.ru>
4875         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
4876         (AVR_ENHANCED): Rename to ...
4877         (AVR_HAVE_MUL): ... new.
4878         (avr_enhanced_p): Rename to ...
4879         (avr_have_mul_p): ... new.
4880         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
4881         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
4882         * config/avr/avr.c (avr_enhanced_p): Rename to ...
4883         (avr_have_mul_p): ... new.
4884         (base_arch_s): Rename 'enhanced' to 'have_mul'.
4885         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
4886         'avr_enhanced_p' and 'enhanced'.
4887         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
4888         AVR_HAVE_MUL instead of AVR_ENHANCED.
4889         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4890         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
4891         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
4892         instead of AVR_ENHANCED.
4893         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4894         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
4895         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
4897 2007-01-17  Ian Lance Taylor  <iant@google.com>
4899         * vec.h (VEC_reserve_exact): Define.
4900         (vec_gc_p_reserve_exact): Declare.
4901         (vec_gc_o_reserve_exact): Declare.
4902         (vec_heap_p_reserve_exact): Declare.
4903         (vec_heap_o_reserve_exact): Declare.
4904         (VEC_OP (T,A,reserve_exact)): New static inline function, three
4905         versions.
4906         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
4907         negative parameter.
4908         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
4909         (VEC_OP (T,A,copy)) [all versions]: Likewise.
4910         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
4911         * vec.c (calculate_allocation): Add exact parameter.  Change all
4912         callers.
4913         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
4914         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
4915         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
4916         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
4917         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
4918         (vec_heap_p_reserve_exact): New function.
4919         (vec_heap_o_reserve_exact): New function.
4921 2007-01-17  Jan Hubicka  <jh@suse.cz>
4923         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
4925 2007-01-17  Eric Christopher  <echristo@apple.com>
4927         * config.gcc: Support core2 processor.
4929 2007-01-16  Jan Hubicka  <jh@suse.cz>
4931         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
4932         the names, just unlink the chain so we don't crash on dangling pointers
4933         to dead SSA names.
4935 2007-01-16  Jan Hubicka  <jh@suse.cz>
4937         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
4938         * tree-pass.h: Reorder to make IPA passes appear toegher.
4939         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
4940         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
4941         parameters, do not call early inliner.
4942         * ipa-inline.c: Update comments.  Include tree-flow.h
4943         (cgraph_decide_inlining): Do not compute inlining parameters.
4944         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
4945         be called with function context set up.
4946         (pass_ipa_inline): Remove unreachable functions before pass.
4947         (cgraph_early_inlining): Simplify assuming to be called from the
4948         PM as local pass.
4949         (pass_early_inline): New pass.
4950         (cgraph_gate_ipa_early_inlining): New gate.
4951         (pass_ipa_early_inline): Turn into simple wrapper.
4952         (compute_inline_parameters): New function.
4953         (gate_inline_passes): New gate.
4954         (pass_inline_parameters): New pass.
4955         (apply_inline): Move here from tree-optimize.c
4956         (pass_apply_inline): New pass.
4957         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
4958         transforming.
4959         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
4960         doing them by hand.
4961         (tree_function_versioning): Do not allocate dummy struct function.
4962         * tree-inline.h (optimize_inline_calls): Update prototype.
4963         * tree-optimize.c (execute_fixup_cfg): Export.
4964         (pass_fixup_cfg): Remove
4965         (tree_rest_of_compilation): Do not apply inlines.
4966         * tree-flow.h (execute_fixup_cfg): Declare.
4967         * Makefile.in (gt-passes.c): New.
4968         * passes.c: Include gt-passes.h
4969         (init_optimization_passes): New passes.
4970         (nnodes, order): New static vars.
4971         (do_per_function_toporder): New function.
4972         (execute_one_pass): Dump current pass here.
4973         (execute_ipa_pass_list): Don't dump current pass here.
4975 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
4977         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
4978         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
4980 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
4982         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
4983         (strong_alias): Define.
4984         (__gcc_qmul): Provide non-FMA for soft-float.
4985         (__gcc_qdiv): Same.
4986         (__gcc_qneg): New.
4987         (__gcc_qeq): New.
4988         (__gcc_qle): New.
4989         (__gcc_qge): New.
4990         (__gcc_qunord): New.
4991         (__gcc_stoq): New.
4992         (__gcc_dtoq): New.
4993         (__gcc_qtos): New.
4994         (__gcc_qtod): New.
4995         (__gcc_qtoi): New.
4996         (__gcc_qtou): New.
4997         (__gcc_itoq): New.
4998         (__gcc_utoq): New.
4999         (fmsub): New.
5000         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
5001         soft-float functions.
5002         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
5003         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
5004         about long double soft float.
5006 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
5007             Tehila Meyzels  <tehila@il.ibm.com>
5009         * tree-vectorizer.h (is_pattern_stmt_p): New.
5010         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
5011         formatting (tabs instead of spaces). Cleanup and clarify setting
5012         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
5013         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
5014         (vectorizable_type_demotion): Check that types are integral.
5015         (vectorizable_type_promotion): Likewise.
5016         (vectorizable_store): Fix typo.  Eliminate new-line at end of
5017         comments.
5019 2007-01-16  Jan Hubicka  <jh@suse.cz>
5021         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
5022         cgraph edges too.
5024 2007-01-15  Eric Christopher  <echristo@apple.com>
5026         * ifcvt.c: Include vec.h, vecprim.h.
5027         (check_cond_move_block): New argument regs.
5028         Reorganize. Add registers used to regs.
5029         (cond_move_process_if_block): Use regs set above as
5030         loop bounds.
5032 2007-01-15  Eric Christopher  <echristo@apple.com>
5034         * config/darwin.h: Update copyright.
5035         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
5036         (LINK_COMMAND_SPEC): Add -u.
5037         (LINK_SPEC): Fix umbrella for above.
5039 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
5041         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
5042         glibc CVS.
5044 2007-01-15  Tom Tromey  <tromey@redhat.com>
5046         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
5047         * doc/install.texi (Testing): Don't mention jacks.
5048         (Configuration): Document --enable-java-maintainer-mode.  Move
5049         --with-java-home to libgcj-specific section.  Document
5050         --with-ecj-jar.
5051         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
5053 2007-01-15  Jan Hubicka  <jh@suse.cz>
5055         * tree-ssa-dce.c (DCE_TODOs): New.
5056         (propagate_necessity): Return if something changed.
5057         (eliminate_unnecessary_stmts): Likewise.
5058         (perform_tree_ssa_dce): Return TODO flags when needed.
5059         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
5061 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
5063         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
5064         (fyl2x_extend<mode>xf3_i387): New insn pattern.
5065         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
5066         patterns using X87MODEF12 mode macro.  Extend operand 1
5067         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
5068         (log10<mode>2): Ditto.
5069         (log2<mode>2): Ditto.
5070         (log1p<mode>2): Ditto.
5071         (logb<mode>2): Ditto.
5072         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
5073         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
5074         (*fxtractxf3_i387): Rename from *fxtractxf3.
5075         (fxtract_extend<mode>xf3_i387): New insn pattern.
5076         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
5077         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
5078         and gen_fyl2xxf3_i387().
5080 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
5082         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
5083         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
5084         get_loop_exit_edges.  Changed return type to bool.
5085         * cfgloop.h (fix_loop_placement): Declaration removed.
5087 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
5089         * param.h (MIN_VECT_LOOP_BOUND): New.
5090         * params.def (MIN_VECT_LOOP_BOUND): New.
5091         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
5092         argument - minimum threshold for number of iterations.
5093         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
5094         argument to declaration.
5095         * tree-vect-analyze.c (vect_analyze_operations): Check value of
5096         MIN_VECT_LOOP_BOUND.
5097         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
5098         slpeel_tree_peel_loop_to_edge with additional argument.
5099         (vect_do_peeling_for_alignment): Likewise.
5100         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
5102 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
5104         PR target/30413
5105         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
5106         operands of size 1.
5108 2007-01-14  Jan Hubicka  <jh@suse.cz>
5110         * tree-dfa.c (remove_referenced_var): New function.
5111         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
5112         prune referenced vars list too.
5113         * tree-flow.h (remove_referenced_var): Declare.
5115 2007-01-14  Jan Hubicka  <jh@suse.cz>
5117         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
5118         separately.
5119         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
5120         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
5121         * except.h (verify_eh_throw_table_statements): Kill prototype.
5122         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
5123         into call exrepssions.
5124         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
5125         eh trhow verifier.
5126         * tree-cfg.c: Include pointer-set.h.
5127         (verify_node_sharing): Work on pointer set.
5128         (verify_eh_throw_stmt_node): New.
5129         (verify_stmts): Use pointers sets, verify throw_stmt.
5131 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
5133         * ipa-reference.c (analyze_function): Consider also addresses taken
5134         in phi nodes.
5136 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5138         * c-typeck.c (null_pointer_constant_p): Replace use of
5139         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5140         (build_c_cast): Likewise.
5142 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5144         * tree.h (force_fit_type_double): Remove unused final argument.
5145         * c-common.c (constant_expression_warning): Replace use of
5146         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5147         (convert_and_check): Likewise.
5148         (shorten_compare): Update call to force_fit_type_double.
5149         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
5150         * convert.c (convert_to_pointer): Update call to
5151         force_fit_type_double.
5152         * fold-const.c (force_fit_type_double): Remove overflowed_const
5153         argument.
5154         (int_const_binop, fold_convert_const_int_from_int,
5155         fold_convert_const_int_from_real, fold_div_compare,
5156         fold_sign_changed_comparison, fold_unary, fold_negate_const,
5157         fold_abs_const, fold_not_const): Remove the final argument from
5158         calls to force_fit_type_double.
5160 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5162         * configure.ac: Set insn to "nop" for spu-*-* also.
5163         * configure: Regenerate.
5165 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
5167         * builtins.def : Add BUILT_IN_FREE.
5169 2007-01-12  Jan Hubicka  <jh@suse.cz>
5171         PR tree-optimization/30443
5172         * tree-inline.c (tree_function_versioning): Do not optimize when
5173         cloning for inlining.
5175 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
5177         * doc/loop.texi: Document recording of loop exits.
5178         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
5179         (update_single_exits_after_duplication,
5180         update_single_exit_for_duplicated_loop,
5181         update_single_exit_for_duplicated_loops): Removed.
5182         (duplicate_loop_to_header_edge): Do not call
5183         update_single_exits_after_duplication and
5184         update_single_exit_for_duplicated_loops.
5185         (loop_version): Do not update single_exit information.
5186         (fix_loop_structure): Use record_loop_exits instead of
5187         mark_single_exit_loops.
5188         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
5189         the lists of loop exits.
5190         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
5191         split_edge, merge_blocks): Update the lists of loop exits.
5192         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
5193         loop_optimizer_init.
5194         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
5195         of mark_single_exit_loops.
5196         (loop_optimizer_finalize): Call release_recorded_exits.
5197         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
5198         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
5199         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
5200         update single exit information.
5201         * lambda-code.c (perfect_nestify): Ditto.
5202         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
5203         (mark_single_exit_loops): Removed.
5204         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
5205         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
5206         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
5207         functions.
5208         (get_loop_exit_edges, single_exit): Use recorded exit lists.
5209         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
5210         (verify_loop_structure): Verify consistency of the exit lists.
5211         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
5212         (set_single_exit): Removed.
5213         * cfgloop.h (struct loop_exit): New function.
5214         (struct loop): single_exit_ field replaced by exits field.
5215         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
5216         (struct loops): Added exits hash.
5217         (mark_single_exit_loops, set_single_exit): Declaration removed.
5218         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
5220 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5222         * doc/invoke.texi: Avoid use of @headitem.
5224 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5226         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
5228 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5230         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
5231         list of targets.
5233 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5234             Richard Sandiford  <richard@codesourcery.com>
5236         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
5237         * config/m68k/m68k.opt: Resort options.
5238         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
5240 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5241             Richard Sandiford  <richard@codesourcery.com>
5243         * doc/invoke.texi: Document the macros that are defined by
5244         m68k's -mtune and -mhard-float options.
5245         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
5246         (m68k_cpp_cpu_family): Likewise.
5247         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
5248         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
5249         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
5250         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
5251         (m68k_cpp_cpu_family): Likewise.
5253 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5255         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
5256         macros besides mc68000 as tuning macros.  Use a switch statement
5257         to set them and mcpu32.
5259 2007-01-12  Julian Brown  <julian@codesourcery.com>
5261         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
5262         (TARGET_68040_ONLY): Rename to...
5263         (TARGET_68040): ...this.
5264         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
5265         * config/m68k/m68k.md: Likewise.
5267 2007-01-12  Julian Brown  <julian@codesourcery.com>
5268             Nathan Sidwell  <nathan@codesourcery.com>
5269             Richard Sandiford  <richard@codesourcery.com>
5271         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
5272         the -mcpu= argument associated with the --with-cpu setting.
5273         Define M68K_DEFAULT_TUNE to the default -mtune= option,
5274         if different from the one implied by the -mcpu setting.
5275         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
5276         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
5277         * doc/invoke.texi: Mention ColdFire in the introduction to the
5278         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
5279         -mno-div and -mhard-float options.  Make -m68881 a synonym for
5280         -mhard-float.  Document the previously-undocumented -m5206e,
5281         -m528x, -m5307 and -m5407 options.  Tweak the existing option
5282         documentation for consistency.
5283         * doc/install.texi: Mention new --with-cpu arguments.
5284         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
5285         default CPU if neither -mcpu nor -march are specified.
5286         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
5287         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
5288         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
5289         using m68k_tune to decide between families that implement the
5290         same ISA.  Use m68k_tune to set __mcfv4e__.
5291         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
5292         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
5293         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
5294         (FL_ISA_C, FL_ISA_MMU): New macros.
5295         (MASK_COLDFIRE): Delete.
5296         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
5297         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
5298         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
5299         (TARGET_HARD_FLOAT): Do not define here.
5300         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
5301         (TUNE_68000): New macro.
5302         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
5303         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
5304         (TUNE_CFV2): Redefine in terms of m68k_tune.
5305         (uarch_type, target_device, fpu_type): New enums.
5306         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
5307         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
5308         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
5309         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
5310         (FL_FOR_isa_c): New macros.
5311         (m68k_isa): New enum.
5312         (m68k_target_selection): New structure.
5313         (all_devices, all_isas, all_microarchs): New tables.
5314         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
5315         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
5316         (MASK_ALL_CPU_BITS): Delete.
5317         (m68k_find_selection): New function.
5318         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
5319         Map the legacy target options to a combination of the new ones.
5320         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
5321         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
5322         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
5323         settings.
5324         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
5325         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
5326         properties.
5327         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
5328         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
5329         * config/m68k/m68k-devices.def: New file.
5331 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5332             Nathan Sidwell  <nathan@codesourcery.com>
5334         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
5335         (SUBTARGET_EXTRA_SPECS): New macros.
5336         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
5337         use %(asm_cpu_spec) instead.
5338         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
5339         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
5340         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
5341         (EXTRA_SPECS): Rename to...
5342         (SUBTARGET_EXTRA_SPECS): ...this.
5344 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5345             Richard Sandiford  <richard@codesourcery.com>
5346             Julian Brown  <julian@codesourcery.com>
5348         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
5349         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
5350         to the configuration's default CPU.
5351         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
5352         Remove default masks.
5353         (m680[012]0-*-*): Set the default with_cpu to the first part of
5354         the target name.
5355         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
5356         (m68k*-*-linux): Extend the --with-cpu handling to...
5357         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
5358         and m68010.  Don't set target_cpu_default2.
5359         * doc/install.texi: Document --with-cpu for m68k.
5360         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
5361         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
5362         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
5363         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
5364         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
5365         (ASM_SPEC): Remove use of %(asm_cpu_default).
5366         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
5367         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
5368         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
5369         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
5370         __HAVE_FPU__ if TARGET_HARD_FLOAT.
5371         (TARGET_DEFAULT): Delete.
5372         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
5373         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
5374         (CPP_CPU_SPEC): Delete.
5375         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
5376         the appropriate string.
5377         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
5378         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
5379         (ASM_SPEC): Don't use %(asm_default_spec).
5380         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5381         TARGET_DEFAULT and add MASK_68881.
5382         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
5384 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5386         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
5387         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
5388         MASK_68010 alongside MASK_68020.
5389         * doc/invoke.texi: Document -m68010.
5390         * config/m68k/m68k.opt (m68010): New.
5391         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
5392         if TUNE_68010.
5393         (TUNE_68010): New macro.
5394         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
5395         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
5396         (M68K_CPU_m68332): Add MASK_68010.
5397         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
5398         fallback definition.
5399         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
5400         defines.
5401         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
5402         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
5403         to all entries that use MASK_68020.
5404         (output_move_simode_const, output_move_himode, output_move_qimode)
5405         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
5406         instead of TARGET_68020 to select clr behavior.  Remove comment
5407         about there being no TARGET_68010.
5408         * config/m68k/m68k.md: Likewise throughout.
5410 2007-01-12  Julian Brown  <julian@codesourcery.com>
5412         * config/m68k/m68k.h (TARGET_ISAB): New macro.
5413         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
5414         * config/m68k/m68k.md: Likewise.
5416 2007-01-12  Julian Brown  <julian@codesourcery.com>
5418         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
5419         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
5421 2007-01-12  Julian Brown  <julian@codesourcery.com>
5423         * config/m68k/m68k.h (TUNE_68040_60): New macro.
5424         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
5425         * config/m68k/m68k.md: Likewise.
5427 2007-01-12  Julian Brown  <julian@codesourcery.com>
5428             Richard Sandiford  <richard@codesourcery.com>
5430         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
5431         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
5432         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
5433         TARGET_CPU32.
5434         (TARGET_CPU32): Rename to...
5435         (TUNE_CPU32): ...this.
5436         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
5437         (TUNE_CFV2): New macros.
5438         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
5439         remove conditions that are implied by TARGET_68020.
5440         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
5441         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
5442         (m68k_output_function_epilogue): Likewise.
5443         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
5444         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
5445         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
5446         non-68000 timings.  Refactor multiplication and division costs.
5447         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
5448         TUNE_CPU32 instead of TARGET_CPU32.
5449         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
5450         and TUNE_68060 instead of TARGET_68060.
5451         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
5452         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
5453         TARGET_CPU32.
5454         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
5455         && !TARGET_COLDFIRE" to choose between moveq and clr.
5456         Likewise in the unnamed movsf pattern.
5457         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
5458         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
5459         ashiftrt pattern.
5461 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5463         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
5464         of tabbing before backslashes.
5466 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5468         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
5469         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
5470         (ASM_OUTPUT_INTERNAL_LABEL): Define.
5472 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5474         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
5475         find_interesting_uses_cond.
5476         (find_interesting_uses_cond): Use extract_cond_operands.
5477         (rewrite_use_compare): Use extract_cond_operands and
5478         force_gimple_operand_bsi.  Do not call update_stmt.
5479         (determine_use_iv_cost_condition): Use extract_cond_operands.
5480         Return cheaper of using original bound and changing the exit bound.
5482 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5484         PR tree-optimization/29516
5485         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
5486         most_expensive_mult_to_index, addr_to_parts,
5487         create_mem_ref, maybe_fold_tmr): Make the type of
5488         fields of TARGET_MEM_REF sizetype.
5489         (move_fixed_address_to_symbol, move_pointer_to_base):
5490         New functions.
5491         * tree.def (TARGET_MEM_REF): Add comment on types of
5492         the operands.
5494 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
5496         * c-common.c (vector_types_convertible_p): Treat opaque types as
5497         always convertible if they have the same size, but not otherwise.
5499 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
5501         * ifcvt.c (struct noce_if_info): Add comments to the fields.
5502         Remove the b_unconditional field.
5503         (noce_try_sign_mask): Do not look at b_unconditional.
5504         (noce_process_if_block): Do not use merge_if_blocks.  Update
5505         the CFG here.  Do not set b_unconditional.
5506         (cond_move_process_if_block): Likewise.
5507         (find_cond_trap): Likewise.
5508         (check_cond_move_block): Require simple jump insns at the end
5509         of the basic block.
5511 2007-01-11  Jan Hubicka  <jh@suse.cz>
5513         PR tree-optimization/1046
5514         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
5515         when alias info is not ready.
5516         (pass_tail_recursion): Do not require aliasing.
5517         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
5518         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
5519         * tree-ssa-copy.c (pass_copy_prop): Likewise.
5520         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5521         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
5522         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
5523         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
5524         before inlining.
5525         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
5526         When aliasing is not build, mark statement as volatile.
5528 2007-01-11  Tom Tromey  <tromey@redhat.com>
5530         PR preprocessor/15185, PR preprocessor/20989:
5531         * doc/cppopts.texi <-MT>: Update description of algorithm for
5532         computing default target.
5533         <-M, -MD>: Reword "basename" text.
5535 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5537         * builtins.c (expand_builtin_pow, expand_builtin_powi,
5538         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
5539         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5540         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
5541         fold_builtin_bswap, real_constp, fold_builtin_pow,
5542         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
5543         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
5544         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5545         * convert.c (convert_to_pointer): Likewise.
5546         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
5547         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
5548         const_binop, fold_convert_const_int_from_int,
5549         fold_convert_const_int_from_real,
5550         fold_convert_const_real_from_real, sign_bit_p,
5551         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
5552         fold_sign_changed_comparison, fold_unary, fold_comparison,
5553         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
5554         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
5555         * print-tree.c (print_node_brief, print_node): Likewise.
5556         * stor-layout.c (place_field, layout_type): Likewise.
5557         * tree-chrec.c (keep_cast): Likewise.
5558         * tree.c (build_vector, build_real, build_real_from_int_cst,
5559         build_complex): Likewise.
5561 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5563         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
5564         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
5566 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
5568         * configure.ac (strict1_warn): Rename to strict_warn.
5569         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
5570         cc_set_by_configure, quoted_cc_set_by_configure,
5571         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
5572         all_boot_languages, all_stagestuff): Remove.
5573         (target_list): Remove bootstrap targets.
5574         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
5575         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
5576         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
5577         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
5578         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
5579         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
5580         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
5581         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
5582         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
5583         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
5584         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
5585         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
5586         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
5587         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
5588         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
5589         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
5590         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
5591         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
5592         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
5593         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
5594         (mostlyclean): Adjust.
5595         (clean, distclean): Don't mention bootstrap stuff.
5596         * configure: Regenerate.
5597         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
5598         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
5599         treelang/config-lang.in (stagestuff): Remove.
5600         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
5601         stageprofile, stagefeedback, stagestuff): Remove mention.
5603 2007-01-11  Nick Clifton  <nickc@redhat.com>
5605         * config/mcore/predicates.md (mcore_general_movesrc_operand):
5606         Accept CONSTs.
5607         (mcore_general_movdst_operand): Do not accept CONST_INTs.
5608         (mcore_arith_K_S_operand): Run the test for the S constraint not
5609         the test for the M constraint.
5610         (mcore_addsub_operand): Do not accept integer values that are
5611         larger than 32 bits.
5612         * config/mcore/mcore.md: Remove unused constraints from split.
5613         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
5614         (addsi3): Likewise.
5615         (allocate_stack): Likewise.
5616         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
5617         operands to 32 bits.
5618         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
5619         INTVAL.
5620         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
5621         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
5622         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
5623         mcore_output_bclri, mcore_output_andn, output_inline_const,
5624         mcore_output_move, mcore_output_movedouble): Likewise.
5625         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
5626         (output_inline_const): Likewise.
5627         (output_inline_const): Fix format strings used in sprintf
5628         statements.
5629         * config/mcore/mcore-protos.h: Update prototypes for changed
5630         functions in mcore.c.
5631         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
5632         HOST_WIDE_INT and not int.
5633         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
5634         CONST_OK_FOR_N): Likewise.
5635         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
5636         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
5637         an INTVAL.
5639 2007-01-10  Jan Hubicka  <jh@suse.cz>
5641         * tree-vrp.c (remove_range_assertions): Release defs.
5642         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
5643         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5645 2007-01-10  Paul Brook  <paul@codesourcery.com>
5647         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5648         * config/arm/arm.md (mulsi3subsi): New insn.
5650 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
5652         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5653         (tree_transform_and_unroll_loop): New.
5654         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5655         Declare.
5657 2007-01-10  Robert Kennedy <jimbob@google.com>
5659         * fold-const.c (fold_comparison): Fold comparisons like (x *
5660         1000 < 0) to (x < 0).
5662 2007-01-10  Ian Lance Taylor  <iant@google.com>
5664         * tree-pretty-print.c (dump_generic_node): Print parentheses when
5665         operands have the same priority.
5667 2007-01-10  Tom Tromey  <tromey@redhat.com>
5669         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5670         (fold_binary): Likewise.
5671         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5672         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5673         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5674         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5675         * langhooks.h (struct lang_hooks): Removed field
5676         'can_use_bit_fields_p'.
5678 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
5680         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5682 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
5684         * function.c (get_last_funcdef_no): New function.
5685         * function.h (get_last_funcdef_no): Declare.
5686         * tree-inline.c (initialize_cfun): Add initialization.
5687         (tree_function_versioning): Cleanup.
5689 2007-01-10  Jan Hubicka  <jh@suse.cz>
5691         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5692         PHIs.
5694 2007-01-10  Sa Liu  <saliu@de.ibm.com>
5695             Ben Elliston  <bje@au.ibm.com>
5697         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5698         for SAVE_NONLOCAL and Pmode for any other save level.
5699         * spu-protos.h (spu_restore_stack_block): Declare.
5700         * spu.md (save_stack_block): Remove.
5701         (restore_stack_block): Call spu_restore_stack_block.
5702         * spu.c (spu_restore_stack_block): New function.
5703         (spu_expand_epilogue): Remove old comment.
5705 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
5707         PR tree-optimization/30322
5708         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5709         (cand_value_at): Return the value as aff_tree.
5710         (may_eliminate_iv): Convert the bound from aff_tree to tree.
5711         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5712         aff_combination_mult): New functions.
5713         (aff_combination_add): Use aff_combination_add_cst.
5714         (aff_combination_convert): Allow conversions to a wider type.
5715         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5716         * tree-affine.h (aff_combination_mult): Declare.
5718 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
5720         * doc/tm.texi: Update documentation to reflect reality of exec
5721         and start file search behaviours. Update copyright year.
5722         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5723         header file directories.
5725 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
5727         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5728         (*cosxf2): Rename to cosxf2_i387.
5729         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
5730         using X87MODEF12 mode macro. Rename patterns to
5731         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
5732         for SSE math.
5733         (*cosdf2, *cossf2): Ditto.
5734         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
5735         to match extended input operands.
5736         (sincos<mode>3): New expander.
5737         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
5738         insn patterns and corresponding splitters.
5740 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5742         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
5743         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
5745 2007-01-09  Nicolas Pitre  <nico@cam.org>
5747         PR target/30173
5748         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
5750 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5752         * target.h (struct gcc_target): New field library_rtti_comdat.
5753         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
5754         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
5755         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
5756         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
5758 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5760         * doc/invoke.texi (Optimize Options): Correct description of -O0.
5762 2007-01-08  Richard Guenther  <rguenther@suse.de>
5764         * tree.h (force_fit_type_double): Export.
5765         (force_fit_type): Remove.
5766         * fold-const.c (force_fit_type_double): New function.
5767         (force_fit_type): Remove.
5768         (int_const_binop): Use it.
5769         (fold_convert_const_int_from_int): Likewise.
5770         (fold_convert_const_int_from_real): Likewise.
5771         (fold_div_compare): Likewise.
5772         (fold_sign_changed_comparison): Likewise.
5773         (fold_unary): Likewise.
5774         (fold_negate_const): Likewise.
5775         (fold_abs_const): Likewise.
5776         (fold_not_const): Likewise.
5777         * c-common.c (shorten_compare): Use force_fit_type_double.
5778         * convert.c (convert_to_pointer): Likewise.
5780 2007-01-08  Richard Guenther  <rguenther@suse.de>
5782         * tree.h (build_int_cst_wide_type): Export.
5783         * tree.c (build_int_cst_wide_type): New function.
5784         (build_int_cst_wide): Fix comment.
5785         * builtins.c (fold_builtin_object_size): Use build_int_cst
5786         to build -1 or 0 of the correct type.  Use fit_double_type
5787         to check for overflow.
5788         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
5789         to build the mask.
5790         (decode_field_reference): Likewise.
5791         (all_ones_mask_p): Likewise.
5792         (native_interpret_int): Use build_int_cst_wide_type.
5793         (fold_binary): Use build_int_cst_type to build an all-ones
5794         value.
5795         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
5797 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
5799         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
5801 2007-01-09  Ben Elliston  <bje@au.ibm.com>
5803         * genautomata.c (STATS_OPTION): New option.
5804         (stats_flag): New flag.
5805         (gen_automata_option): Handle it.
5806         (initiate_automaton_gen): Ditto.
5807         (write_automata): Output statistics only if stats_flag is
5808         set. Likewise, output time statistics only if time_flag is set.
5809         * doc/md.texi (Processor pipeline description): Document new flag.
5811 2007-01-08  Richard Guenther  <rguenther@suse.de>
5813         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
5814         * tree.c (build_int_cst_type): Likewise.
5815         (size_in_bytes): Don't call force_fit_type on the result.
5816         (int_fits_type_p): Use fit_double_type.
5817         * fold-const.c (fit_double_type): New function.
5818         (force_fit_type): Use it.
5819         * tree.h (fit_double_type): Export.
5821 2007-01-08  Jan Hubicka  <jh@suse.cz>
5823         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
5824         * ipa.c (function_and_variable_visibility): Fix return type.
5826 2007-01-08  Richard Guenther  <rguenther@suse.de>
5828         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
5829         of offset to build the index.
5830         * tree-pretty-print.c (dump_generic_node): Don't build negated
5831         const just for printing.
5832         * c-pretty-print.c (pp_c_integer_constant): Likewise.
5833         * builtins.c (fold_builtin_int_roundingfn): Check if result
5834         fits the type by using force_fit_type and comparing the result.
5835         * predict.c (predict_loops): Use compare_tree_int for comparison.
5836         * tree.c (build_int_cst): Fall back to integer_type_node for
5837         NULL_TREE type.
5838         (build_int_cst_wide): Assert type is non-null.
5840 2007-01-08  Roberto Costa  <roberto.costa@st.com>
5842         * tree-vrp.c (extract_range_from_cond_expr): New.
5843         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
5844         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
5845         as expressions.
5846         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
5847         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
5848         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
5849         used as expressions.
5850         * tree-object-size.c (cond_expr_object_size): New.
5851         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
5853 2007-01-08  Jan Hubicka  <jh@suse.cz>
5855         * tree-ssa-forwprop.c (forward_propagate_into_cond,
5856         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
5857         statement.
5859 2007-01-08  Richard Guenther  <rguenther@suse.de>
5861         PR tree-optimization/23603
5862         * tree-vrp.c (set_value_range_to_truthvalue): New function.
5863         (extract_range_from_binary): Fall back to truthvalue instead of
5864         varying for TRUTH_*_EXPR.
5865         (extract_range_from_comparison): Fall back to truthvalue instead of
5866         varying.
5867         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
5868         if all visited PHI values were constant.
5870 2007-01-08  Jan Hubicka  <jh@suse.cz>
5872         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
5873         (cgraph_analyze_function): break out from ...
5874         (cgraph_finalize_compilation_unit): ... here.
5875         (cgraph_expand_function): Remove forgoten commented out line.
5876         (cgraph_optimize): Analyze functions.
5878 2007-01-08  Jan Hubicka  <jh@suse.cz>
5880         * tree-pas.h (TODO_remove_function): New flag.
5881         (TODO_update*): Renumber.
5882         (pass_ipa_increase_alignment,
5883         pass_ipa_function_and_variable_visibility): New passes.
5884         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
5885         (cgraph_function_and_variable_visibility): Move to ipa.c
5886         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
5887         cgraph_increase_alignment.
5888         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
5889         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
5890         calling tree-inline.
5891         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
5892         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
5893         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
5894         (gate_increase_alignment): New function.
5895         (pass_ipa_increase_alignment): New pass.
5896         * ipa.c: Inline tree-pass.h and timevar.h
5897         (function_and_variable_visibility): Move here from cgraphunit.c
5898         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
5899         * passes.c (init_optimization_passes): Add the two new passes.
5900         (execute_todo): Handle cgraph_remove_functions.
5902 2007-01-08  Nick Clifton  <nickc@redhat.com>
5904         * config/frv/predicates.md (reg_or_0_operand): Accept
5905         CONST_DOUBLEs.
5907 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
5909         * config/bfin/rtems.h, config/bfin/t-rtems: New.
5910         * config.gcc: Add bfin*-rtems*.
5912 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5914         * c.opt: Add -flax-vector-conversions.
5915         * c-typeck.c (convert_for_assignment): Pass flag to
5916         vector_types_convertible_p to allow emission of note.
5917         (digest_init): Likewise.
5918         * c-opts.c: Handle -flax-vector-conversions.
5919         * c-common.c (flag_lax_vector_conversions): New.
5920         (vector_types_convertible_p): Unless -flax-vector conversions
5921         has been passed, disallow conversions between vectors with
5922         differing numbers of subparts and/or element types.  If such
5923         a conversion is disallowed, possibly emit a note on the first
5924         occasion only to inform the user of -flax-vector-conversions.
5925         The new last argument specifies this.
5926         * c-common.h (flag_lax_vector_conversions): New.
5927         (vector_types_convertible_p): Add extra argument.
5928         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
5929         char_type_node for V*QI type vectors.
5930         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
5931         Update to satisfy new typechecking rules.
5932         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
5933         C and C++ variants.
5934         * doc/invoke.texi (C Dialect Options): Document
5935         -flax-vector-conversions.
5937 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5939         PR tree-optimization/29877
5940         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
5941         a register variable on the RHS to not be replaceable.
5943 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
5944         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
5945         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
5946         const_simm15, const_pow2, const_npow2): Added.
5947         * config/score/misc.md (insv, extv, extzv, movmemsi,
5948         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
5949         * config/score/score.c (score_address_cost, score_select_cc_mode):
5950         Added.
5951         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
5952         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
5953         Update score_print_operand.
5954         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
5955         Adjust register allocate order and update some macro define.
5956         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
5957         mdx_block_move_straight, mdx_block_move_loop_head,
5958         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
5959         mdx_block_move): Added.
5960         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
5961         mdp_limm): Updated and fix some bug and typo.
5962         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
5963         (movsf, movdf, doloop_end): Added.
5965 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
5967         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
5968         config/arm/thumb2.md: Fix comment typos.
5969         * doc/extend.texi: Fix a typo.
5971 2007-01-07  Eric Christopher  <echristo@apple.com>
5973         * configure.ac: Check for __stack_chk_fail for darwin.
5974         * configure: Regenerate.
5976 2007-01-07  Richard Guenther  <rguenther@suse.de>
5978         * tree-vrp.c (extract_range_from_assert): CSE calls to
5979         compare_values where possible.
5980         (extract_range_from_unary_expr): Likewise.
5982 2007-01-07  Anatoly Sokolov <aesok@post.ru>
5984         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
5985         * config/avr/avr.c (call_insn_operand): Delete function.
5986         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
5987         instead of register number. Use predicates.
5988         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
5989         call_insn_operand): Add.
5991 2007-01-06  Jan Hubicka  <jh@suse.cz>
5993         * tree-pass.h (pass_build_cgraph_edges): Declare.
5994         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
5995         (visited_nodes): Remove.
5996         (cgraph_create_edges): Move to cgraphbuild.c; rename to
5997         build_cgrpah_edges; make visited_nodes local.
5998         (cgraph_process_new_functions): DO not call initialize_inline_failed.
5999         (record_references_in_initializer): Move to cgraphbuild.c
6000         (initialize_inline_failed, rebuild_cgraph_edges,
6001         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
6002         (verify_cgraph_node): Make visited_nodes local.
6003         (cgraph_analyze_function): Do not call cgraph_create_edges and
6004         initialize_inline_failed.
6005         (cgraph_expand_function): Do not call cgraph_lower_function;
6006         assert that function is already lowered.
6007         * Makefile.in (cgraphbuild.o): New.
6008         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
6009         at the end of lowering passes.
6011 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
6013         * ifcvt.c (cond_move_convert_if_block): New function, code
6014         factored out from...
6015         (cond_move_process_if_block): ...here.  Call the new function
6016         on the THEN and ELSE blocks.
6017         (merge_if_block): Do not copy global_live_at_end, merge_blocks
6018         already takes care of this.
6020 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6022         PR c/19978
6023         * tree.h (TREE_OVERFLOW_P): New.
6024         * c-typeck.c (parser_build_unary_op): Warn only if result
6025         overflowed and operands did not.
6026         (parser_build_binary_op): Likewise.
6027         (convert_for_assignment): Remove redundant overflow_warning.
6028         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
6030 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6032         * c-typeck.c (store_init_value): Split over two lines to follow
6033         the GNU coding style.
6035 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
6037         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
6038         __GXX_EXPERIMENTAL_CXX0X__.
6039         * doc/cpp.texi: Same.
6041 2007-01-05  Richard Guenther  <rguenther@suse.de>
6043         PR middle-end/27826
6044         * tree.c (get_narrower): Do not construct COMPONENT_REFs
6045         with mismatched types.  Instead explicitly build a
6046         conversion NOP_EXPR.
6048 2007-01-05  Ian Lance Taylor  <iant@google.com>
6050         * c-common.c (decl_with_nonnull_addr_p): New function.
6051         (c_common_truthvalue_conversion): Call it.
6052         * c-typeck.c (build_binary_op): Likewise.
6053         * c-common.h (decl_with_nonnull_addr_p): Declare.
6055 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
6057         PR c/30360
6058         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
6059         denom against 0.0.
6061 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
6063         * doc/install.texi (Final install): Document the fact that
6064         the GNAT runtime should not be stripped.
6066 2007-01-04  Jan Hubicka  <jh@suse.cz>
6068         * tree-inline.c (fold_marked_statements): Update operand caches
6069         and EH after folding
6071 2007-01-04  Ian Lance Taylor  <iant@google.com>
6073         * c-common.c (check_function_nonnull): Whitespace fix.
6075 2007-01-04  Jan Hubicka  <jh@suse.cz>
6077         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
6078         comitted older version of patch.
6079         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
6080         function, celanup cfg and collect garbage.
6082 2007-01-04  Mike Stump  <mrs@apple.com>
6084         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
6085         (clean): Likewise.
6087 2007-01-04  Eric Christopher  <echristo@apple.com>
6089         * libgcc2.c (__bswapsi2): Use SItype.
6090         (__bswapdi2): Use DItype.
6091         * libgcc2.h: Update for above.
6093 2007-01-04  Paul Brook  <paul@codesourcery.com>
6095         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
6096         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
6097         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
6098         umulsidi3, umulsidi3adddi, smulsi3_highpart,
6099         umulsi3_highpart): Make conditional on !arm_arch6.
6100         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
6101         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
6102         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
6103         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
6104         umulsi3_highpart_v6): New insns.
6106 2007-01-04  Roger Sayle  <roger@eyesopen.com>
6108         * fold-const.c (fold_convert): When casting an expression to void,
6109         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
6110         have a type.  Instead of attempting to build a NOP_EXPR, return
6111         these "special" trees directly.
6113 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
6115         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
6116         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
6117         rs6000_cost->fp not 0 as adjustment for outer NEG.
6119 2007-01-04  Jan Hubicka  <jh@suse.cz>
6121         * cgraph.c (cgraph_release_function_body): New function.
6122         (cgraph_remove_node): Use it.
6123         * cgraph.h (cgraph_release_function_body): Declare.
6124         * cgraphunit.c (cgraph_expand_function): Use it.
6125         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
6126         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
6127         is initialized and while compilation of other function is running.
6128         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
6129         statement CFG annotations from here to ...
6130         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
6132 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
6134         * cfgloop.h (enum li_flags): Make the constants powers of two.
6136 2007-01-04  Jan Hubicka  <jh@suse.cz>
6138         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
6139         set.
6140         (fold_marked_statements): New function.
6141         (optimize_inline_calls, tree_function_versioning): Fold new statements.
6142         * tree-inline.h (copy_body_data): Add statements_to_fold.
6144 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
6146         * config.gcc: Mention libgcc/config.host.
6147         * Makefile.in: Update comments mentioning libgcc.
6148         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
6149         (all.cross, start.encap, rest.encap, rest.cross): Update
6150         dependencies for libgcc move.
6151         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
6152         (clean-target, clean-target-libgcc): Delete.
6153         (srcdirify, GCC_EXTRA_PARTS): New macros.
6154         (libgcc-support, libgcc.mvars): New rules.
6155         (distclean): Remove mention of mklibgcc.
6156         (install): Don't reference INSTALL_LIBGCC.
6157         (install-common): Don't reference EXTRA_PARTS.
6158         (install-libgcc, install-multilib): Delete rules.
6159         * mklibgcc.in: Delete file.
6160         * doc/configfiles.texi: Don't mention mklibgcc.
6162         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
6163         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
6164         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
6165         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
6166         (mklibgcc, ldblspecs): Likewise.
6168         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
6169         (posixpre.def): Use $(T).
6170         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
6171         (SHLIB_SRC, SHLIB_INSTALL): Delete.
6172         (SHLIB_LINK): Make dummy.
6173         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
6175         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
6177         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
6178         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
6179         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
6180         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
6182         * configure.ac (all_outputs): Remove mklibgcc.
6183         * configure: Regenerated.
6185 2007-01-03  Josh Conner  <jconner@apple.com>
6187         PR middle-end/29683
6188         * calls.c (compute_argument_addresses): Set stack and stack_slot
6189         for partial args, too.
6190         (store_one_arg): Use locate.size.constant for the size when
6191         generating a save_area.
6193 2007-01-03  Robert Kennedy <jimbob@google.com>
6195         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
6196         whose definitions are deleted due to basic block merging.
6198 2007-01-03  Paul Brook  <paul@codesourcery.com>
6200         PR target/16634
6201         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
6202         functions.
6203         (use_return_insn): Return 0 for Thumb interrupt functions.
6204         (print_multi_reg): Add rfe argument for IRQ returns.
6205         (arm_output_epilogue): Pop interrupt return address directly into PC.
6206         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
6208 2007-01-03  Paul Brook  <paul@codesourcery.com>
6210         Merge from sourcerygxx-4_1.
6211         * config/arm/thumb2.md: New file.
6212         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
6213         Thumb-2.
6214         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
6215         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6216         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
6217         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
6218         tables.
6219         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6220         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
6221         comptibility.
6222         * config/arm/ieee754-sf.S: Ditto.
6223         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
6224         (thumb1_base_register_rtx_p): ... to this.
6225         (thumb_index_register_rtx_p): Rename...
6226         (thumb1_index_register_rtx_p): ... to this.
6227         (thumb_output_function_prologue): Rename...
6228         (thumb1_output_function_prologue): ... to this.
6229         (thumb_legitimate_address_p): Rename...
6230         (thumb1_legitimate_address_p): ... to this.
6231         (thumb_rtx_costs): Rename...
6232         (thumb1_rtx_costs): ... to this.
6233         (thumb_compute_save_reg_mask): Rename...
6234         (thumb1_compute_save_reg_mask): ... to this.
6235         (thumb_final_prescan_insn): Rename...
6236         (thumb1_final_prescan_insn): ... to this.
6237         (thumb_expand_epilogue): Rename...
6238         (thumb1_expand_epilogue): ... to this.
6239         (arm_unwind_emit_stm): Rename...
6240         (arm_unwind_emit_sequence): ... to this.
6241         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
6242         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
6243         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
6244         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
6245         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
6246         thumb2_output_casesi): New functions.
6247         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
6248         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
6249         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
6250         THUMB2_WORK_REGS): Define.
6251         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
6252         arm_condexec_mask, arm_condexec_masklen)): New variables.
6253         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
6254         (arm_override_options): Check new CPU capabilities.
6255         Set new architecture flag variables.
6256         (arm_isr_value): Handle v7m interrupt functions.
6257         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
6258         Thumb-2.
6259         (const_ok_for_arm): Handle Thumb-2 constants.
6260         (arm_gen_constant): Ditto.  Use movw when available.
6261         (arm_function_ok_for_sibcall): Return false for v7m interrupt
6262         functions.
6263         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
6264         (thumb_find_work_register, arm_load_pic_register,
6265         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
6266         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
6267         print_multi_reg, output_mov_long_double_fpa_from_arm,
6268         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
6269         output_mov_double_fpa_from_arm, output_move_double,
6270         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
6271         output_return_instruction, arm_output_function_prologue,
6272         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
6273         arm_output_mi_thunk, thumb_set_return_address): Ditto.
6274         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
6275         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
6276         (arithmetic_instr, shift_op): Use arm_shift_nmem.
6277         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
6278         '!' and 'L'.
6279         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
6280         (thumb_expand_prologue): Use thumb_set_frame_pointer.
6281         (arm_file_start): Output directive for unified syntax.
6282         (arm_unwind_emit_set): Handle stack alignment instruction.
6283         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
6284         Add v6t2, v7, v7a, v7r and v7m.
6285         (RETLDM): Add Thumb-2 code.
6286         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
6287         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
6288         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
6289         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
6290         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
6291         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
6292         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
6293         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
6294         ADJUST_INSN_LENGTH): Define.
6295         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
6296         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
6297         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
6298         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
6299         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6300         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
6301         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
6302         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
6303         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
6304         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
6305         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
6306         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
6307         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
6308         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
6309         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
6310         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
6311         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
6312         cortex-m3.
6313         * config/arm/arm-tune.md: Regenerate.
6314         * config/arm/arm-protos.h: Update prototypes.
6315         * config/arm/vfp.md: Enable patterns for Thumb-2.
6316         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
6317         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
6318         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
6319         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
6320         * config/arm/libunwind.S: Add Thumb-2 code.
6321         * config/arm/constraints.md: Update include Thumb-2.
6322         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
6323         * config/arm/ieee754-df.S: Ditto.
6324         * config/arm/bpabi.S: Ditto.
6325         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
6326         * config/arm/predicates.md (low_register_operand,
6327         low_reg_or_int_operand, thumb_16bit_operator): New.
6328         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
6329         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
6330         * config/arm/t-arm-elf: Add armv7 multilib.
6331         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
6332         Include thumb2.md.
6333         (UNSPEC_STACK_ALIGN, ce_count): New.
6334         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
6335         arm_zero_extendsidi2, arm_zero_extendqidi2): New
6336         insns/expanders.
6337         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
6338         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
6339         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
6340         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
6341         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
6342         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
6343         insns.
6344         * doc/extend.texi: Document ARMv7-M interrupt functions.
6345         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
6347 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
6349         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
6350         (struct _Unwind_Context): Rename args_size to flags, remove
6351         signal_frame field, add a new args_size field and version field.
6352         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
6353         _Unwind_IsExtendedContext): New inline functions.
6354         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6355         Assume by_value array is only present if _Unwind_IsExtendedContext.
6356         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
6357         _Unwind_IsSignalFrame.
6358         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
6359         (uw_update_context_1): Use _Unwind_SetSignalFrame.
6360         (uw_init_context_1): Initialize context->flags to
6361         EXTENDED_CONTEXT_BIT.
6362         * config/rs6000/linux-unwind.h (frob_update_context): Use
6363         _Unwind_SetSignalFrame.
6365 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6367         PR middle-end/30353
6368         * gimplify.c (gimplify_modify_expr_complex_part): Move below
6369         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
6370         the value.
6372 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
6374         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
6375         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
6376         RET, AT_SP): Remove.
6377         * config/i386/i386.md (*sse_prologue_save_insn): Use return
6378         instead of RET.
6380         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6381         * cfgbuild.c (find_basic_blocks): Likewise.
6382         * cfgrtl.c (rtl_create_basic_block): Likewise.
6383         * function.c (temp_slots_at_level): Likewise.
6384         * reg-stack.c (stack_regs_mentioned): Likewise.
6385         * regclass.c (allocate_reg_info): Likewise.
6386         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6387         set_bb_for_stmt, move_block_to_fn): Likewise.
6388         * tree-complex.c (tree_lower_complex): Likewise.
6389         * vec.h (VEC_safe_grow_cleared): New.
6391         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
6393 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
6395         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
6396         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
6397         to loop_version.
6398         * cfgloopmanip.c (scale_loop_frequencies): Export.
6399         (loopify): Scale the frequencies by prescribed coefficients.
6400         (set_zero_probability): New function.
6401         (duplicate_loop_to_header_edge): Improve updating of frequencies.
6402         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
6403         and frequencies according to arguments.
6404         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
6405         correctly.
6406         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
6407         * modulo-sched.c (sms_schedule): Set probabilities for entering
6408         versioned loop correctly.
6409         * tree-vect-transform.c (vect_transform_loop): Ditto.
6410         * cfgloop.h (loopify, loop_version): Declaration changed.
6411         (scale_loop_frequencies): Declared.
6413 2007-01-02  Jan Hubicka  <jh@suse.cz>
6415         * cgraph.c: Include tree-flow.h
6416         (cgraph_add_new-function): Handle IPA_SSA mode; execute
6417         early_local_passes.
6418         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
6419         * tree-pass.h (pass_all_early_optimizations): Declare.
6420         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
6421         early_local_passes.
6422         (cgraph_analyze_function): Do early_local_passes.
6423         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6424         Do not add referenced vars.
6425         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
6426         SSA form.
6427         (gate_all_early_local_passes): New gate.
6428         (pass_early_local_passes): Use new gate.
6429         (execute_early_local_optimizations): New functions.
6430         (gate_all_early_optimizations): New gate.
6431         (pass_all_early_optimizations): New pass.
6432         (execute_free_datastructures): Free SSA only when initialized.
6433         (gate_init_datastructures): Init only when optimizing.
6434         (tree_lowering_passes): Do early local passes when called late.
6435         * tree-profile.c (do_tree_profiling): Don't profile functions added
6436         late.
6437         (do_early_tree_profiling, pass_early_tree_profile): Kill.
6438         * tree-cfg.c (update_modified_stmts): Do not update when operands are
6439         not active.
6440         * passes.c (init_optimizations_passes): Reorder so we go into SSA
6441         during early_local_passes.
6442         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
6445 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6447         * Makefile.in: Update copyright year.
6449 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6451         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
6452         in $(lang_checks) and check-consistency targets.
6454 2007-01-02  Jan Hubicka  <jh@suse.cz>
6456         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6457         Do not add referenced vars.
6458         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
6459         are not active.
6460         * passes.c (init_optimization_passes): Put mudflap_2 after
6461         free_datastructures.
6463 2007-01-02  Jan Hubicka  <jh@suse.cz>
6465         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
6466         Set NOTHROW flag on call statements proved to be nothrow.
6467         Update statement of local calls so new pure/const functions are
6468         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
6469         goto receivers.
6470         (tree_rest_of_compilation): Register hooks and initialize bitmap
6471         early. Do not set after_inlining flag.
6473 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
6475         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
6476         HOST_BITS_PER_LONGLONG
6478 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6480         PR c/19977
6481         * c-typeck.c (store_init_value): Don't emit pedantic overflow
6482         warning for non-static initializers.
6484 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
6486         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
6487         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
6488         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
6489         Always use set_unique_reg_note to add REG_EQUAL notes.
6491 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6493         Revert:
6494         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6496         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6497         * cfgbuild.c (find_basic_blocks): Likewise.
6498         * cfgrtl.c (rtl_create_basic_block): Likewise.
6499         * function.c (temp_slots_at_level): Likewise.
6500         * reg-stack.c (stack_regs_mentioned): Likewise.
6501         * regclass.c (allocate_reg_info): Likewise.
6502         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6503         set_bb_for_stmt, move_block_to_fn): Likewise.
6504         * tree-complex.c (tree_lower_complex): Likewise.
6505         * vec.h (VEC_safe_grow_cleared): New.
6507 2007-01-02  Ian Lance Taylor  <iant@google.com>
6509         * c-common.c (c_common_truthvalue_conversion): When warning about
6510         using an assignment as a truth value, set TREE_NO_WARNING.
6512 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6514         PR middle-end/7651
6515         * c.opt (Wold-style-declaration): New.
6516         * doc/invoke.texi (C-only Warning Options): New.
6517         (Wold-style-declaration): Document it.
6518         (Wextra): Enabled by -Wextra.
6519         * c-opts.c (c_common_post_options): Enabled by -Wextra.
6520         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
6521         -Wold-style-declaration.
6523 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6525         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6526         * cfgbuild.c (find_basic_blocks): Likewise.
6527         * cfgrtl.c (rtl_create_basic_block): Likewise.
6528         * function.c (temp_slots_at_level): Likewise.
6529         * reg-stack.c (stack_regs_mentioned): Likewise.
6530         * regclass.c (allocate_reg_info): Likewise.
6531         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6532         set_bb_for_stmt, move_block_to_fn): Likewise.
6533         * tree-complex.c (tree_lower_complex): Likewise.
6534         * vec.h (VEC_safe_grow_cleared): New.
6536 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
6538         * c-common.c (c_common_nodes_and_builtins): Since variants of
6539         void_type_node get built before it is given a name, we need to
6540         give those variants the name, too.
6541         (complete_array_type): We need to work with the canonical main
6542         type of the array, from which we will build the qualified version.
6543         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
6544         * print-tree.c (print_node): Display canonical type information
6545         for each type.
6546         * stor-layout.c (layout_type): When we don't know the
6547         alignment of a type for which we're building an array, we end up
6548         guessing wrong, so make the type require structural equality.
6549         * tree.c (make_node_stat): When we build a new type, it is its
6550         own canonical type.
6551         (build_type_attribute_qual_variant): When building an attribute
6552         variant, its canonical type is the non-attribute variant. However,
6553         if the attributes are target-dependent and they differ, we need to
6554         use structural equality checks for this type.
6555         (build_qualified_type): A qualified type is not equivalent to its
6556         unqualified variant; set the canonical type appropriately.
6557         (build_distinct_type_copy): When building a distinct type from
6558         another type, the new type is its own canonical type.
6559         (build_variant_type_copy): When building a new type variant, we
6560         assume that it is equivalent to the original type.
6561         (build_pointer_type_for_mode): When building a pointer type, also
6562         build a canonical type pointer.
6563         (build_reference_type_for_mode): When building a reference type,
6564         also build a canonical type reference.
6565         (build_index_type): When we can't hash an index type (e.g.,
6566         because its maximum value is negative), the index type requires
6567         structural equality tests.
6568         (build_array_type): Build the canonical form of an array type.
6569         (build_function_type): Function types require structural equality,
6570         because they contain default arguments, attributes, etc.
6571         (build_method_type_directly): Ditto for method types.
6572         (build_offset_type): Build the canonical offset type.
6573         (build_complex_type): Build the canonical vector type.
6574         (make_vector_type): Build the canonical vector type.
6575         * tree.h (TYPE_CANONICAL): New.
6576         (TYPE_STRUCTURAL_EQUALITY_P): New.
6577         (SET_TYPE_STRUCTURAL_EQUALITY): New.
6578         (struct tree_type): Added "canonical" field.
6579         * params.h (VERIFY_CANONICAL_TYPES): New.
6580         * doc/c-tree.texi (TYPE_CANONICAL): Document.
6581         (TYPE_STRUCTURAL_EQUALITY_P): Document.
6582         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
6583         * doc/invoke.texi (verify-canonical-types): Document --param
6584         parameter for verifying canonical types.
6586 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6588         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
6589         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
6590         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
6591         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
6592         tm_file.
6593         * config/rs6000/e500.h: New.
6594         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
6595         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
6596         Remove.
6597         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
6598         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
6599         TARGET_E500_DOUBLE): Remove.
6600         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
6601         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
6602         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
6603         * config/rs6000/rs6000.c (rs6000_override_options): Use
6604         CHECK_E500_OPTIONS.
6606 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6608         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
6609         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
6610         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
6611         rs6000_emit_cmove): Don't check TARGET_E500.
6612         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
6613         sordered): Don't check TARGET_E500.
6615 2007-01-01  Eric Christopher  <echristo@apple.com>
6617         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
6618         HARD_REGISTER_NUM_P.
6620 2007-01-01  Roger Sayle  <roger@eyesopen.com>
6622         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
6623         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
6624         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
6625         eq/ne Y".
6627 2007-01-01  Mike Stump  <mrs@apple.com>
6629         * configure.ac: Remove support for building with Apple's gcc-3.1.
6631 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6633         PR middle-end/30311
6634         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
6635         REG is a hard register.  Do not modify REG before calling
6636         subreg_nregs.
6637         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
6638         multiple of the size of YMODE for certain lowpart cases.
6640 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6642         PR middle-end/30253
6643         * gimplify (voidify_wrapper_expr): Update for
6644         GIMPLE_MODIFY_STMT.
6646 2007-01-01  Andreas Schwab  <schwab@suse.de>
6648         PR target/29166
6649         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6650         save of BR0 in extra_spill_size instead of spill_size.
6651         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6652         area.
6653         (ia64_expand_epilogue): Restore BR0 from its new location.
6655 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6657         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6658         Use a temporary variable if the left hand side is not a gimple
6659         register.
6661 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6663         * gimplify.c (gimplify_return_expr): Make the temporary variable
6664         for the return expression, a gimple register variable.
6666 2007-01-01  Jan Hubicka  <jh@suse.cz>
6668         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6669         INSN_LIST.
6671 2007-01-01  Mike Stump  <mrs@apple.com>
6673         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6674         .literal16.
6675         * config/darwin.c (machopic_select_rtx_section): Use
6676         HAVE_GAS_LITERAL16.
6677         (darwin_mergeable_constant_section): Likewise.
6678         * configure: Regenerate.
6679         * config.in: Regenerate.
6681 2007-01-01  Jan Hubicka  <jh@suse.cz>
6682             Andrew Pinski  <pinskia@gmail.com>
6684         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6685         before starting IPA passes.