* reload.c (find_reloads_address_1): Handle PLUS expressions resulting
[official-gcc.git] / gcc / ChangeLog
blob2ed49124480c1babcefbae2c20c2407ac7cdfe20
1 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
3         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
4         from register elimination as PRE_MODIFY / POST_MODIFY increments.
5         Do not attempt to handle MEM inside auto-inc expressions.
6         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
7         of a register modified by an auto-inc expression.  However, do handle
8         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
9         (elimination_effects): Prohibit elimination of a register modified
10         by an auto-inc expression.  Disable register elimination rules whose
11         target register is modified by an auto-inc expression with variable
12         increment.
14 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
16         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
17         off-by-one error.
18         (array_at_struct_end_p): New function.
19         (idx_infer_loop_bounds): Use it.
20         (estimate_numbers_of_iterations_loop): Export.
21         * predict.c (predict_loops): Use estimated_loop_iterations_int.
22         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
23         (tree_estimate_probability): Call record_loop_exits.
24         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
25         (estimated_loop_iterations, estimated_loop_iterations_int,
26         estimated_loop_iterations_tree): New functions.
27         (analyze_siv_subscript_cst_affine,
28         compute_overlap_steps_for_affine_1_2,
29         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
30         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
31         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
32         (PRED_LOOP_ITERATIONS_GUESSED): New.
33         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
34         * cfgloop.h (estimate_numbers_of_iterations_loop,
35         estimated_loop_iterations_int): Declare.
37 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
39         * doc/extend.texi: Document optional priority argument to
40         constructors and destructors.
41         * tree.c (init_priority_for_decl): Adjust GTY markers.
42         (init_ttree): Use priority-info hash functions for
43         init_priority_for_decl.
44         (tree_map_eq): Rename to ...
45         (tree_map_base_eq): ... this.
46         (tree_map_marked_p): Rename to ...
47         (tree_map_base_marked_p): ... this.
48         (tree_map_base_hash): New function.
49         (decl_init_priority_lookup): Rework.
50         (decl_fini_priority_lookup): New function.
51         (decl_priority_info): New function.
52         (decl_init_priority_insert): Use it.
53         (decl_fini_priority_insert): Likewise.
54         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
55         hierarchy.
56         (decl_restrict_base_insert): Likewise.
57         (decl_debug_expr_insert): Likewise.
58         (decl_value_expr_lookup): Likewise.
59         (decl_value_expr_insert): Likewise.
60         * tree.h (priority_type): New type.
61         (decl_init_priority_lookup): Use priority_type.
62         (decl_fini_priority_lookup): New function.
63         (decl_init_priority_insert): Use priority_type.
64         (decl_fini_priority_insert): New function.
65         (DECL_HAS_INIT_PRIORITY): Tweak comments.
66         (DECL_INIT_PRIORITY): Likewise.
67         (SET_DECL_INIT_PRIORITY): Add comment.
68         (DECL_FINI_PRIORITY): New macro.
69         (SET_DECL_FINI_PRIORITY): Likewise.
70         (DEFAULT_INIT_PRIORITY): Document.
71         (MAX_INIT_PRIORITY): Likewise.
72         (MAX_RESERVED_INIT_PRIORITY): Likewise.
73         (tree_map_base): New type.
74         (tree_map_base_eq): New function.
75         (tree_map_base_hash): Likewise.
76         (tree_map_base_marked_p): Likewise.
77         (tree_map): Inherit from tree_map_base.
78         (tree_map_eq): Make it a macro.
79         (tree_map_marked_p): Likewise.
80         (tree_int_map): Inherit from tree_map_base.
81         (tree_int_map_eq): Make it a macro.
82         (tree_int_map_hash): Likewise.
83         (tree_int_map_marked_p): Likewise.
84         (tree_priority_map): New type.
85         (tree_priority_map_eq): New macro.
86         (tree_priority_map_hash): Likewise.
87         (tree_priority_map_marked_p): Likewise.
88         * varasm.c (emults_decl): Adjust for refactoring of tree_map
89         hierarchy.
90         (emutls_common_1): Likewise.
91         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
92         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
93         of tree_map hierarchy.
94         * tree-cfg.c (move_stmt_r): Likewise.
95         (new_label_mapper): Likewise.
96         * c-tree.h (c_expand_body): Move to ...
97         * c-common.h (c_expand_body): ... here.
98         * c-decl.c (c_expand_body): Move to ...
99         * c-common.c (c_expand_body): ... here.
100         (c_common_attribute_table): Allow 1 argument for the constructor
101         and destructor attributes.
102         (get_priority): New function.
103         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
104         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
106 2007-02-24  Jan Hubicka  <jh@suse.cz>
108         PR middle-end/30509
109         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
111 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
112             Jan Hubicka  <jh@suse.cz>
114         PR target/30778
115         * i386.c (counter_mode): New function.
116         (expand_set_or_movmem_via_loop): Use it.
117         (expand_movmem_epilogue): Likewise; fix pasto.
118         (ix86_expand_movmem): Do emit guard even for constant counts.
119         (ix86_expand_setmem): Likewise.
121 2007-02-25  Nick Clifton  <nickc@redhat.com>
123         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
124         (JUMP_TABLES_IN_TEXT_SECTION): Define.
126 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
128         PR target/30770
129         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
130         count argument with 0x10, not with 0x16.
131         (expand_setmem_epilogue): Ditto.
133 2007-02-24  Mike Stump  <mrs@apple.com>
135         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
136         symbols.
138 2007-02-24  Richard Guenther  <rguenther@suse.de>
140         PR middle-end/30951
141         * fold-const.c (fold_binary): Fold x +- CST op x for
142         EQ_EXPR and NE_EXPR.
144 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
146         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
148 2007-02-24  Jan Hubicka  <jh@suse.cz>
150         * cgraphunit.c (decide_is_function_needed): Honor
151         -fkeep-inline-functions.
153 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
155         * builtins.c (fold_builtin_modf): New.
156         (fold_builtin_2): Use it.
158 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
160         * loop-iv.c (implies_p): Detect additional cases where A implies B.
161         (determine_max_iter): Take additional LOOP arg; all callers changed.
162         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
163         one using simplifications.
164         (simplify_using_initial_values): Return if the expression becomes
165         invalid due to altered regs.
167 2007-02-23  DJ Delorie  <dj@redhat.com>
169         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
171 2007-02-23  Mike Stump  <mrs@apple.com>
173         * tlink.c (scan_linker_output): Parse linker messages from
174         darwin9's linker better.
176 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
178         PR debug/29614
179         * varpool.c (varpool_assemble_pending_decls):  Set
180         varpool_last_needed_node to null.
182 2007-02-23  DJ Delorie  <dj@redhat.com>
184         * config/i386/i386.c (ix86_data_alignment): Don't specify an
185         alignment bigger than the object file can handle.
187 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
189         PR target/30825
190         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
191         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
192         (*movsf_1): Penalize MMX moves.
194 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
196         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
197         2^32-1 or more times unless flag_unsafe_loop_optimizations.
199         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
201 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
203         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
204         (fold_builtin_1): Use them.
205         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
206         BUILT_IN_SIGNIFICAND.
208 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
210         * config/i386/i386.c (bdesc_1arg): Initialize
211         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
212         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
213         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
214         and IX86_BUILTIN_MOVSLDUP.
216 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
218         PR rtl-optimization/30841
219         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
221 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
223         * builtins.c (fold_builtin_frexp): New.
224         (fold_builtin_2): Use it.
226 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
228         * doc/invoke.texi (Spec Files): Document getenv spec function.
230         * gcc.c (getenv_spec_function): New function.
231         (static_spec_functions): Add it.
232         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
233         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
234         header files.
236 2007-02-22  Michael Matz  <matz@suse.de
238         PR c++/29433
239         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
240         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
242 2007-02-22  Ian Lance Taylor  <iant@google.com>
244         PR debug/30898
245         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
246         (mem_loc_descriptor): Call it.
248 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
249             Ira Rosen  <irar@il.ibm.com>
251         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
253 2007-02-22  Ira Rosen  <irar@il.ibm.com>
255         PR tree-optimization/30843
256         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar 
257         stores only after all the group is vectorized.
259 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
261         PR tree-optimization/30858
262         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
263         in the reduction cycle have a single use in the loop.
264         * tree-vectorizer.h (relevant): Add documentation.
266 2007-02-20  Mike Stump  <mrs@apple.com>
268         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
269         * configure: Regenerate.
271 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
273         Change the defaults of some parameters and options.
274         * config/spu/spu-protos.h (spu_optimization_options): Declare.
275         * config/spu/spu.c (spu_optimization_options): Add.
276         (spu_override_options): Change params in spu_optimization_options.
277         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
279         Register 127 is only 16 byte aligned when used as a frame pointer.
280         * config/spu/spu-protos.h (spu_init_expanders): Declare.
281         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
282         HARD_FRAME_POINTER_REGNUM.
283         (spu_legitimate_address):  Use regno_aligned_for_reload.
284         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
285         aligned when frame_pointer_needed is true.
286         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
287         to 8 bits.
288         * config/spu/spu.h (INIT_EXPANDERS): Define.
290         Make sure shift and rotate instructions have valid immediate operands.
291         * config/spu/predicates.md (spu_shift_operand): Remove.
292         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
293         * config/spu/constraints.md (W, O): Extend range.
294         * config/spu/spu.md (umask, nmask): Define.
295         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
296         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
297         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
298         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
299         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
300         (lshr<mode>3_reg):  Fix rtl description.
302         Make sure mulhisi immediate operands are valid.
303         * config/spu/predicates.md (imm_K_operand): Add.
304         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
306         Generate constants using fsmbi and andi.
307         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
308         (print_operand, spu_split_immediate, classify_immediate,
309         fsmbi_const_p): Handle IC_FSMBI2.
311         Correctly handle a CONST_VECTOR containing symbols.
312         * config/spu/spu.c (print_operand): Handle HIGH correctly.
313         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
314         (immediate_load_p): Allow symbols that use 2 instructions to create.
315         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
316         with symbols when flag_pic is set.
317         (const_vector_immediate_p): New.
318         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
319         accept a CONST_VECTOR with symbols.
320         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
321         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
322         correctly.
323         * config/spu/spu.md (high, low): Delete.
324         (low_<mode>): Define.
326         Remove INTRmode and INTR_REGNUM, which didn't work.
327         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
328         of INTR_REGNUM.
329         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
330         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
331         peephole2 pattern): Don't use INTR or 131.
332         (movintrcc): Delete.
333         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
334         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
335         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
336         (UNSPEC_SET_INTR): Add.
337         * config/spu/spu-modes.def (INTR): Remove.
339         More accurate warnings about run-time relocations.
340         * config/spu/spu.c (reloc_diagnostic): Test in_section.
342         Correctly warn about immediate arguments to specific intrinsics.
343         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
344         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
345         the instruction predicate.
347         Fix tree check errors with latest update.
348         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
349         CALL_EXPR_ARG.
350         (spu_expand_builtin): Use CALL_EXPR_FN.
352         Add missing specific intrinsics.
353         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
354         si_bislede.
355         * config/spu/spu_internals.h: Ditto.
357         Fix incorrect operand modifiers.
358         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
359         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
361         Optimize one case of zero_extend of a vec_select.
362         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
364         Accept any immediate for hbr.
365         * config/spu/spu.md (hbr):  Change s constraints to i.
367 2007-02-21  Paul Brook  <paul@codesourcery.com>
369         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
370         condexec_count when skipping USE and CLOBBER.
372 2007-02-21  Nick Clifton  <nickc@redhat.com>
374         * common.opt (Warray-bounds): Add Warning attribute.
375         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
376         Likewise.
377         (fsized-zeroes): Add Optimization attribute.
378         (fsplit-wide-types, ftree-scev-cprop): Likewise.
379         * c.opt (Wc++0x-compat): Add Warning attribute.
381 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
383         PR middle-end/30761
384         * reload1.c (eliminate_regs_in_insn): In the single_set special
385         case, attempt to re-recognize the insn before falling back to
386         having reload fix it up.
388 2007-02-20  Eric Christopher  <echristo@gmail.com>
390         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
391         Rewrite accordingly.
392         (frv_read_iacc_argument): Ditto.
393         (frv_expand_set_builtin): Take a call instead of arglist, update for
394         above changes.
395         (frv_expand_unop_builtin): Ditto.
396         (frv_expand_binop_builtin): Ditto.
397         (frv_expand_cut_builtin): Ditto.
398         (frv_expand_binopimm_builtin): Ditto.
399         (frv_expand_voidbinop_builtin): Ditto.
400         (frv_expand_int_void2arg): Ditto.
401         (frv_expand_prefetches): Ditto.
402         (frv_expand_voidtriop_builtin): Ditto.
403         (frv_expand_voidaccop_builtin): Ditto.
404         (frv_expand_load_builtin): Ditto.
405         (frv_expand_store_builtin): Ditto.
406         (frv_expand_mdpackh_builtin): Ditto.
407         (frv_expand_mclracc_builtin): Ditto.
408         (frv_expand_mrdacc_builtin): Ditto.
409         (frv_expand_mwtacc_builtin): Ditto.
410         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
411         calls for above.
413 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
415         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
416         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
417         cmpb instruction.
418         (HAVE_GAS_DFP): Check for assembler support of decimal floating
419         point instructions.
420         * configure: Regenerate.
421         * config.in: Regenerate.
422         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
423         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
424         masks to power6 and power6x and to POWERPC_MASKS.
425         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
426         _ARCH_PWR6.
427         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
428         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
429         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
430         Access PROTOTYPE as variable, not mask.
432 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
434         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
435         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
436         * combine.c (adjust_for_new_dest): Use it.
437         * postreload.c (reload_combine): Likewise.
439 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
441         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
442         notes on an insn with multiple sets, even if single_set returns
443         non-NULL for that insn.
445 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
447         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
448         scalbn and scalbln.
450 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
452         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
453         if user didn't pass it.
454         * config/i386/darwin.h (CC1_SPEC): Likewise.
455         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
456         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
457         -mmacosx-version-min.
459 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
460             Uros Bizjak  <ubizjak@gmail.com>
462         * optabs.h (enum optab_index): Add new OTI_scalb.
463         (scalb_optab): Define corresponding macro.
464         * optabs.c (init_optabs): Initialize scalb_optab.
465         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
466         patterns.
467         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
468         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
469         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
470         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
471         flag_unsafe_math_optimizations is set.
473         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
474         to implement scalbf, scalb and scalbl built-ins as inline x87
475         intrinsics.
477 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
478             DJ Delorie <dj@redhat.com>
480         PR other/30824
481         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
482         (diagnostic_report_diagnostic): ... here, and turn them into real
483         errors. If warnings are inhibited, no need to do anything.
485 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
487         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
488         better code generation.
490 2007-02-20  Ben Elliston  <bje@au.ibm.com>
492         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
494 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
496         * config/alpha/alpha.c, config/alpha/alpha.md,
497         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
498         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
499         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
500         config/arm/lib1funcs.asm: Follow spelling conventions.
502         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
503         config/fr30/fr30.md, config/i386/i386.h,
504         config/iq2000/iq2000.h, config/iq2000/predicates.md,
505         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
506         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
507         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
508         config/rs6000/altivec.md, config/rs6000/rs6000.c,
509         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
510         config/sparc/sparc.c, config/sparc/sparc.h,
511         config/sparc/sparc.md, config/spu/constraints.md,
512         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
513         conventions.
515 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
517         PR target/29943
518         * varasm.c (use_blocks_for_decl_p): Return false for decls with
519         alias attribute.
521 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
523         * doc/invoke.texi (-ftree-lrs): Remove.
525 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
527         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
528         NULL.
530 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
532         * config/ia64/ia64.c (ia64_expand_builtin): Use the
533         new CALL_EXPR_FN macro for retrieving the function
534         declaration of the input expression.
536 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
538         * c.opt (Waddress): New.
539         * common.opt (Walways-true): Delete.
540         (Wstring-literal-comparison): Delete.
541         * doc/invoke.texi (Warning Options): Delete -Walways-true and
542         -Wstring-literal-comparison. Add -Waddress.
543         (Waddress): New.
544         (Walways-true): Delete.
545         (Wstring-literal-comparison): Delete.
546         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
547         consistently instead of -Walways-true in example.
548         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
549         * c-typeck.c (parser_build_binary_op): Replace
550         -Wstring-literal-comparison and -Walways-true with -Waddress.
551         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
552         with -Waddress.
554 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
556         * tree-cfg.c (dump_function_to_file): Be prepared for functions
557         without DECL_STRUCT_FUNCTION initialized.
559 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
561         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
562         due to calls to functions taking pointers as parameters.
564 2007-02-19  Richard Henderson  <rth@redhat.com>
566         PR debug/29558
567         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
568         in memory.
570 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
572         * config/s390/s390.c (s390_call_saved_register_used,
573         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
574         accessed to the new scheme.
576 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
578         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
579         (cris_print_index, cris_print_operand, cris_print_operand_address)
580         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
581         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
582         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
583         GET_CODE () == xxx.
584         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
585         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
586         GO_IF_LEGITIMATE_ADDRESS): Ditto.
587         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
588         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
589         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
590         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
591         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
592         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
593         (uminsi3, call, call_value): Ditto.
594         (define_split: indir_to_reg_split, unnamed): Ditto.
596 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
598         PR tree-optimization/30975
599         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
600         wrong assert.
602 2007-02-18  Eric Christopher  <echristo@gmail.com>
604         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
605         Remove use of arglist.
606         (mips_expand_builtin): Remove use of arglist, pass in expr.
607         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
608         (mips_expand_builtin_movtf): Ditto.
609         (mips_expand_builtin_compare): Ditto.
611 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
613         * tree-sra.c (sra_build_assignment): Replace assertion
614         checking with a comment explaining why it can't be done.
616 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
618         PR middle-end/30833
619         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
620         during CALL_EXPR representation conversion.
621         * tree-ssa-propagate.c (set_rhs): Likewise.
623 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
625         * tree-sra.c (sra_build_assignment): Disable assertion checking
626         for now.
628 2007-02-18  Roger Sayle  <roger@eyesopen.com>
630         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
631         instead of calling build2 with a GIMPLE_MODIFY_STMT.
632         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
633         Likewise.
634         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
635         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
636         gimplify_init_ctor_eval_range, gimple_push_cleanup,
637         gimplify_omp_for, gimplify_omp_atomic_pipeline,
638         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
639         force_gimple_operand): Likewise.
640         * ipa-cp.c (constant_val_insert): Likewise.
641         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
642         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
643         perfect_nestify): Likewise.
644         * langhooks.c (lhd_omp_assignment): Likewise.
645         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
646         lower_copyprivate_clauses, lower_send_clauses,
647         lower_send_shared_vars, expand_parallel_call,
648         expand_omp_for_generic, expand_omp_for_static_nochunk,
649         expand_omp_for_static_chunk, expand_omp_sections,
650         lower_omp_single_copy, lower_omp_for_lastprivate,
651         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
652         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
653         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
654         Likewise.
656 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
658         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
659         config/sh/sh.md: Follow spelling conventions.
661         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
662         config/frv/predicates.md: Follow spelling conventions.
664         * config/m68k/linux-unwind.h: Fix a comment typo.
665         * target.h: Follow spelling conventions.
667 2007-02-18  Roger Sayle  <roger@eyesopen.com>
669         PR rtl-optimization/28173
670         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
671         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
672         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
673         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
674         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
676 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
678         * builtins.c (fold_builtin_load_exponent): New.
679         (fold_builtin_2): Use it.
681 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
683         PR rtl-optimization/30773
684         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
685         if we fail to attach a REG_EQUIV note.
687 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
688             Roger Sayle  <roger@eyesopen.com>
690         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
692 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
694         * calls.c (initialize_argument_information): Pass original EXP
695         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
696         code to split complex arguments here, as part of initializing the
697         ARGS array.
698         (expand_call): Remove code that builds a list of arguments and
699         inserts implicit arguments into it.  Instead, just count how many
700         implicit arguments there will be so we can determine the size of
701         the ARGS array, and let initialize_argument_information do the work.
702         (split_complex_values): Delete unused function.
704 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
706         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
708 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
710         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
711         for arg pointer based indexed addressing.
713 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
715         * config/ia64/ia64.h, config/ia64/ia64.md,
716         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
717         spelling conventions.
719 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
721         * config/m68k/m68k.c (split_di): New.
722         * config/m68k/m68k-protos.h: Declare split_di.
723         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
724           Improve predicate handling and split constant shifts.
726 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
728         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
729         parameter for register bitfield operations, general predicates
730         cleanup
732 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
734         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
735         * config/m68k/linux-unwind.h: New file.
737 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
739         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
740         config/i386/athlon.md, config/ia64/ia64.md,
741         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
742         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
743         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
744         tree-ssa-loop-niter.c, tree-vect-analyze.c,
745         tree-vect-transform.c: Fix comment typos.
747 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
749         * sched-deps.c (find_insn_list): Remove.
750         * sched-int.h: Remove the prototype for find_insn_list.
752 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
754         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
755         to linker.
756         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
757         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
758         darwin_rs6000_override_options.
759         (C_COMMON_OVERRIDE_OPTIONS): Expect
760         darwin_macosx_version_min to be non-NULL always.
761         (TARGET_C99_FUNCTIONS): Likewise.
762         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
763         (DARWIN_MINVERSION_SPEC): New.
764         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
765         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
766         to cc1*.
767         (DARWIN_MINVERSION_SPEC): New.
768         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
769         value.
770         * config/darwin-c.c (darwin_cpp_builtins): Expect
771         darwin_macosx_version_min to be non-NULL always.
773         * config/rs6000/rs6000.c: Clean up trailing whitespace.
775 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
777         * config/i386/i386.h (x86_use_xchgb): New.
778         (TARGET_USE_XCHGB): New macro.
779         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
780         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
781         Split after reload into bswaphi for shifts of 8.
782         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
783         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
784         or when optimizing for size.
786 2007-02-16  Richard Guenther  <rguenther@suse.de>
787             Christian Bruel  <christian.bruel@st.com>
789         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
790         DECLs but prefer SSA_NAMEs over DECLs.
792 2007-02-16  Richard Guenther  <rguenther@suse.de>
794         * tree-flow-inline.h (single_imm_use_p): Remove.
795         (zero_imm_uses_p): Likewise.
796         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
797         instead of single_imm_use_p.
798         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
799         zero_imm_uses_p.
801 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
803         PR other/27843
804         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
805         nested double- and backquotes.
807 2007-02-15  Roger Sayle  <roger@eyesopen.com>
809         PR middle-end/30391
810         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
811         should be unreachable.
812         (build2_stat): Allow construction of MODIFY_EXPR at any time.
813         For the time being redirect GIMPLE_MODIFY_STMT to the new
814         (renamed) build_gimple_modify_stmt_stat.
815         (build2_gimple_stat): Rename to...
816         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
817         Always build a GIMPLE_MODIFY_STMT node.
818         * tree.h (build2_gimple, build2_gimple_stat): Delete.
819         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
820         declarations.
822         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
823         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
824         * tree-complex.c (set_component_ssa_name, expand_complex_move,
825         expand_complex_div_wide): Likewise.
826         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
827         * tree-ssa-loop-im.c (schedule_sm): Likewise.
828         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
829         * tree-ssa-loop-manip.c (create_iv): Likewise.
830         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
831         abs_replacement): Likewise.
832         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
833         realify_fake_stores): Likewise.
835         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
836         node rather than a GIMPLE_MODIFY_STMT node.
837         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
838         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
839         Likewise.
840         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
841         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
842         GIMPLE_MODIFY_STMT.
844 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
846         PR middle-end/30433
847         * fold-const.c (fold_comparison): Add back the
848         folding of constant complex comparisions.
850 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
852         PR middle-end/30729
853         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
854         effects unknown to this function, return early.
856 2007-02-15  Ian Lance Taylor  <iant@google.com>
858         * lower-subreg.c (move_eh_region_note): New static function.
859         (resolve_simple_move): Call it.
860         (decompose_multiword_subregs): Track blocks for which we resolve a
861         simple move which is also a control flow insn.  Pass them to
862         find_many_sub_basic_blocks.
863         (pass_lower_subreg): Add TODO_verify_flow.
864         (pass_lower_subreg2): Likewise.
866 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
867             Brooks Moses  <brooks.moses@codesourcery.com>
868             Lee Millward  <lee.millward@codesourcery.com>
870         * tree.h (enum tree_code_class): Add tcc_vl_exp.
871         (VL_EXP_CLASS_P): New.
872         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
873         TREE_CODE_LENGTH.
874         (TREE_OPERAND_CHECK_CODE): Likewise.
875         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
876         (TREE_RTL_OPERAND_CHECK): Likewise.
877         (tree_operand_check_failed): Make second parameter the whole tree
878         instead of its code.  Fixed callers.
879         (VL_EXP_CHECK): New.
880         (TREE_OPERAND_LENGTH): New.
881         (VL_EXP_OPERAND_LENGTH): New.
882         (CALL_EXPR_FN): New.
883         (CALL_EXPR_STATIC_CHAIN): New.
884         (CALL_EXPR_ARGS): New.
885         (CALL_EXPR_ARG): New.
886         (call_expr_nargs): New.
887         (CALL_EXPR_ARGP): New.
888         (build_nt_call_list): Declare.
889         (build_vl_exp_stat): Declare.
890         (build_vl_exp): New.
891         (build_call_list): Declare.
892         (build_call_nary): Declare.
893         (build_call_valist): Declare.
894         (build_call_array): Declare.
895         (call_expr_arg): Declare.
896         (call_expr_argp): Declare.
897         (call_expr_arglist): Declare.
898         (fold_build_call_list): Declare.
899         (fold_build_call_list_initializer): Declare.
900         (fold_call_expr): Declare to replace fold_builtin.
901         (fold_builtin_fputs): Update to agree with modified definition.
902         (fold_builtin_strcpy): Likewise.
903         (fold_builtin_strncpy): Likewise.
904         (fold_builtin_memory_chk): Likewise.
905         (fold_builtin_stxcpy_chk): Likewise.
906         (fold_builtin_strncpy_chk): Likewise.
907         (fold_builtin_next_arg): Likewise.
908         (fold_build_call_expr): Declare.
909         (fold_builtin_call_list): Declare.
910         (fold_builtin_call_valist): Declare.
911         (build_call_expr): Declare.
912         (validate_arglist): Update to agree with modified definition.
913         (tree_operand_length): New.
914         (call_expr_arg_iterator): New.
915         (init_call_expr_arg_iterator): New.
916         (next_call_expr_arg): New.
917         (first_call_expr_arg): New.
918         (more_call_expr_args_p): New.
919         (FOR_EACH_CALL_EXPR_ARG): New.
921         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
922         and tcc_gimple_stmt.
923         (tree_code_size): Update documentation.  Use sizeof (tree) rather
924         than sizeof (char *).
925         (tree_size): Likewise.  Add case for tcc_vl_exp.
926         (tree_node_structure): Add case for tcc_vl_exp.
927         (contains_placeholder_p): Likewise.
928         (substitute_in_expr): Likewise.
929         (substitute_placeholder_in_expr): Likewise.
930         (stabilize_reference_1): Likewise.
931         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
932         to diagnose breakage of this interface for constructing CALL_EXPRs.
933         (build_nt): Add similar assertion here.
934         (build_nt_call_list): New.
935         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
936         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
937         TREE_CODE_LENGTH.
938         (get_callee_fndecl): Use new CALL_EXPR accessors.
939         (tree_operand_check_failed): Change parameters to pass entire node
940         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
941         (process_call_operands): New.
942         (build_vl_exp_stat): New.
943         (build_call_list): New.
944         (build_call_nary): New.
945         (build_call_valist): New.
946         (build_call_array): New.
947         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
948         (call_expr_arglist): New.
950         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
951         tcc_vl_exp instead of a fixed-size tcc_expression.
953         * doc/c-tree.texi (CALL_EXPR): Document new representation and
954         accessors for CALL_EXPRs.
955         (AGGR_INIT_EXPR): Likewise.
957 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
958             Brooks Moses  <brooks.moses@codesourcery.com>
959             Lee Millward  <lee.millward@codesourcery.com>
961         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
962         (expand_builtin_nonlocal_goto): Change parameter to be entire
963         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
964         (expand_builtin_prefetch): Likewise.
965         (expand_builtin_classify_type): Likewise.
966         (mathfn_built_in): Return NULL_TREE instead of 0.
967         (expand_errno_check): Use new CALL_EXPR accessors.
968         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
969         Return NULL_RTX instead of 0.
970         (expand_builtin_mathfn_2): Likewise.
971         (expand_builtin_mathfn_3): Likewise.
972         (expand_builtin_interclass_mathfn): Likewise.
973         (expand_builtin_sincos): Likewise.
974         (expand_builtin_cexpi): Likewise.
975         (expand_builtin_int_roundingfn): Likewise.
976         (expand_builtin_int_roundingfn_2): Likewise.
977         (expand_builtin_pow): Likewise.
978         (expand_builtin_powi): Likewise.
979         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
980         of arglist, fixing callers appropriately.  Use new CALL_EXPR
981         accessors and constructors.  Return NULL_RTX instead of 0.
982         (expand_builtin_strstr): Likewise.
983         (expand_builtin_strchr): Likewise.
984         (expand_builtin_strrchr): Likewise.
985         (expand_builtin_strpbrk): Likewise.
986         (expand_builtin_memcpy): Likewise.
987         (expand_builtin_mempcpy): Likewise.
988         (expand_builtin_mempcpy_args): New.
989         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
990         (expand_builtin_memmove_args): New.
991         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
992         (expand_movstr): Likewise.
993         (expand_builtin_strcpy): Likewise.
994         (expand_builtin_strcpy_args): New.
995         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
996         (expand_builtin_strncpy): Likewise.
997         (expand_builtin_memset): Likewise.
998         (expand_builtin_memset_args): New.
999         (expand_builtin_bzero): Similarly to expand_builtin_memset.
1000         (expand_builtin_memcmp): Likewise.
1001         (expand_builtin_strcmp): Likewise.
1002         (expand_builtin_strncmp): Likewise.
1003         (expand_builtin_strcat): Likewise.
1004         (expand_builtin_strncat): Likewise.
1005         (expand_builtin_strspn): Likewise.
1006         (expand_builtin_strcspn): Likewise.
1007         (expand_builtin_args_info): Likewise.
1008         (expand_builtin_va_start): Likewise.
1009         (gimplify_va_arg_expr): Likewise.
1010         (expand_builtin_va_end): Likewise.
1011         (expand_builtin_va_copy): Likewise.
1012         (expand_builtin_frame_address): Likewise.
1013         (expand_builtin_alloca): Likewise.
1014         (expand_builtin_bswap): Likewise.
1015         (expand_builtin_unop): Likewise.
1016         (expand_builtin_fputs): Likewise.
1017         (expand_builtin_expect): Likewise.
1018         (expand_builtin_fabs): Likewise.
1019         (expand_builtin_copysign): Likewise.
1020         (expand_builtin_printf): Likewise.
1021         (expand_builtin_fprintf): Likewise.
1022         (expand_builtin_sprintf): Likewise.
1023         (expand_builtin_init_trampoline): Likewise.
1024         (expand_builtin_signbit): Likewise.
1025         (expand_builtin_fork_or_exec): Likewise.
1026         (expand_builtin_sync_operation): Likewise.
1027         (expand_builtin_compare_and_swap): Likewise.
1028         (expand_builtin_lock_test_and_set): Likewise.
1029         (expand_builtin_lock_release): Likewise.
1030         (expand_builtin): Likewise.
1031         (builtin_mathfn_code): Likewise.
1033         (fold_builtin_constant_p): Pass call arguments individually instead
1034         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1035         accessors and constructors.  Return NULL_TREE instead of 0.
1036         (fold_builtin_expect): Likewise.
1037         (fold_builtin_classify_type): Likewise.
1038         (fold_builtin_strlen): Likewise.
1039         (fold_builtin_nan): Likewise.
1040         (integer_valued_real_p): Likewise.
1041         (fold_trunc_transparent_mathfn): Likewise.
1042         (fold_fixed_mathfn): Likewise.
1043         (fold_builtin_cabs): Likewise.
1044         (fold_builtin_sqrt): Likewise.
1045         (fold_builtin_cbrt): Likewise.
1046         (fold_builtin_cos): Likewise.
1047         (fold_builtin_cosh): Likewise.
1048         (fold_builtin_tan): Likewise.
1049         (fold_builtin_sincos): Likewise.
1050         (fold_builtin_cexp): Likewise.
1051         (fold_builtin_trunc): Likewise.
1052         (fold_builtin_floor): Likewise.
1053         (fold_builtin_ceil): Likewise.
1054         (fold_builtin_round): Likewise.
1055         (fold_builtin_int_roundingfn): Likewise.
1056         (fold_builtin_bitop): Likewise.
1057         (fold_builtin_bswap): Likewise.
1058         (fold_builtin_logarithm): Likewise.
1059         (fold_builtin_hypot): Likewise.
1060         (fold_builtin_pow): Likewise.
1061         (fold_builtin_powi): Likewise.
1062         (fold_builtin_exponent): Likewise.
1063         (fold_builtin_memset): Likewise.
1064         (fold_builtin_bzero): Likewise.
1065         (fold_builtin_memory_op): Likewise.
1066         (fold_builtin_bcopy): Deleted; call site changed to invoke
1067         fold_builtin_memory_op directly.
1068         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
1069         (fold_builtin_strncpy): Likewise.
1070         (fold_builtin_memcmp): Likewise.
1071         (fold_builtin_strcmp): Likewise.
1072         (fold_builtin_strncmp): Likewise.
1073         (fold_builtin_signbit): Likewise.
1074         (fold_builtin_copysign): Likewise.
1075         (fold_builtin_isascii): Likewise.
1076         (fold_builtin_toascii): Likewise.
1077         (fold_builtin_isdigit): Likewise.
1078         (fold_builtin_fabs): Likewise.
1079         (fold_builtin_abs): Likewise.
1080         (fold_builtin_fmin_fmax): Likewise.
1081         (fold_builtin_carg): Likewise.
1082         (fold_builtin_classify): Likewise.
1083         (fold_builtin_unordered_cmp): Likewise.
1085         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
1086         New functions split out from fold_builtin_1.
1087         (fold_builtin_n): New.
1088         (fold_builtin_varargs): New.
1089         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
1090         instead.
1091         (fold_call_expr): New.
1092         (build_function_call_expr): Rewrite to use new helper function.
1093         (fold_builtin_call_list): New.
1094         (build_call_expr): New.
1095         (fold_builtin_call_valist): New.
1096         (rewrite_call_expr): New.
1097         (validate_arg): New.
1098         (validate_arglist): Change parameter to be entire CALL_EXPR instead
1099         of an arglist.  Change return type to bool.  Use new CALL_EXPR
1100         accessors.
1102         (fold_builtin_strstr):  Pass call arguments individually instead
1103         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1104         accessors and constructors.  Return NULL_TREE instead of 0.
1105         (fold_builtin_strchr): Likewise.
1106         (fold_builtin_strrchr): Likewise.
1107         (fold_builtin_strpbrk): Likewise.
1108         (fold_builtin_strcat): Likewise.
1109         (fold_builtin_strncat): Likewise.
1110         (fold_builtin_strspn): Likewise.
1111         (fold_builtin_strcspn): Likewise.
1112         (fold_builtin_fputs): Likewise.
1113         (fold_builtin_next_arg): Likewise.
1114         (fold_builtin_sprintf): Likewise.
1116         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
1117         NULL_RTX instead of 0.
1118         (expand_builtin_memory_chk): Likewise.
1119         (maybe_emit_chk_warning): Likewise.
1120         (maybe_emit_sprintf_chk_warning): Likewise.
1122         (fold_builtin_object_size): Pass call arguments individually instead
1123         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1124         accessors and constructors.  Return NULL_TREE instead of 0.
1125         (fold_builtin_memory_chk): Likewise.
1126         (fold_builtin_stxcpy_chk): Likewise.
1127         (fold_builtin_strncpy_chk): Likewise.
1128         (fold_builtin_strcat_chk): Likewise.
1129         (fold_builtin_strcat_chk): Likewise.
1130         (fold_builtin_strncat_chk): Likewise.
1131         (fold_builtin_sprintf_chk): Likewise.
1132         (fold_builtin_snprintf_chk): Likewise.
1133         (fold_builtin_printf): Likewise.
1134         (fold_builtin_vprintf): Likewise.
1136         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
1137         constructors.
1138         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
1139         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1140         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
1141         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
1142         (fold_unary): Likewise.
1143         (fold_binary): Likewise.
1144         (fold_ternary): Remove CALL_EXPR case, since they are no longer
1145         ternary expressions.
1146         (fold): Add logic for tcc_vl_exp.
1147         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
1148         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1149         (fold_build3_stat): Add assertion to flag broken interface for
1150         constructing CALL_EXPRs.
1151         (fold_build_call_list): New.
1152         (fold_build_call_list_initializer): New.
1153         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
1154         constructors.
1155         (fold_strip_sign_ops): Likewise.
1157 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1158             Brooks Moses  <brooks.moses@codesourcery.com>
1159             Lee Millward  <lee.millward@codesourcery.com>
1161         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
1162         accessors and dump arguments explicitly.
1164         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
1165         TREE_CODE_LENGTH.
1166         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
1167         explicitly.
1168         (print_call_name): Use new CALL_EXPR accessors.
1170         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
1171         CALL_EXPR arguments explicitly instead of as a list.  Use
1172         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1174         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
1175         (vrp_visit_stmt): Likewise.
1177         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
1178         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
1179         TREE_CODE_LENGTH.
1180         (force_move_till_expr): Likewise.
1182         * targhooks.c (default_external_stack_protect_fail): Use
1183         build_call_expr instead of build_function_call_expr.
1184         (default_hidden_stack_protect_fail): Likewise.
1186         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
1187         build the call.
1189         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
1190         and walk arguments explicitly.
1192         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
1193         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1194         (expand_simple_operations): Likewise.
1195         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
1197         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
1198         of TREE_CODE_LENGTH.
1199         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
1201         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
1202         instead of TREE_CODE_LENGTH.
1204         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
1205         (tree_ic_transform): Likewise.
1206         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
1207         parameter instead of arglist.  Fix callers.
1208         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
1209         (tree_stringops_transform): Likewise.
1210         (tree_indirect_call_to_profile): Likewise.
1211         (tree_stringops_values_to_profile): Likewise.
1213         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
1214         (eliminate_tail_call): Likewise.
1216         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
1218         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1219         Use TREE_OPERAND_LENGTH and generalize to handle any number of
1220         operands.
1221         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1223         * omp-low.c (build_omp_barrier): Use build_call_expr.
1224         (lower_rec_input_clauses): Likewise.
1225         (lower_reduction_clauses): Likewise.
1226         (expand_parallel_call): Likewise.
1227         (maybe_catch_exception): Likewise.
1228         (expand_omp_for_generic): Likewise.
1229         (expand_omp_for_static_nochunk): Likewise.
1230         (expand_omp_sections): Likewise.
1231         (lower_omp_single_simple): Likewise.
1232         (lower_omp_single_copy): Likewise.
1233         (lower_omp_master): Likewise.
1234         (lower_omp_ordered): Likewise.
1235         (lower_omp_critical): Likewise.
1237         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1238         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1240         * tree-gimple.c (is_gimple_call_addr): Fix doc.
1241         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1242         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
1244         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1245         and generalize to handle any number of operands.
1246         (chrec_contains_undetermined): Likewise.
1247         (tree_contains_chrecs): Likewise.
1248         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1250         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1252         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
1253         fold_call_expr instead of fold_builtin.
1254         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
1255         match declarations there.
1256         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
1257         updates.
1259         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1260         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1262         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1263         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1265         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1266         accessors.
1268         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1269         (execute_cse_sincos): Use new CALL_EXPR accessors.
1271         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1273         * gimple-low.c (lower_function_body): Use build_call_expr.
1274         (lower_builtin_setjmp): Likewise.
1276         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1277         (set_storage_via_libcall): Likewise.
1278         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
1279         instead of TREE_CODE_LENGTH.
1280         (expand_expr_real_1): Use new CALL_EXPR accessors.
1282         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1283         generalize to handle any number of operands.
1284         (TB_parent_eq): Likewise.
1286         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1287         (strip_builtin_expect): Likewise.
1289         * function.c (gimplify_parameters): Use build_call_expr.
1291         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1292         instead of TREE_CODE_LENGTH.
1294         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1295         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1297         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1298         iterators.
1300         * gimplify.c (build_stack_save_restore): Use build_call_expr.
1301         (gimplify_decl_expr): Likewise.
1302         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1303         Use new CALL_EXPR iterators.
1304         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1305         (gimplify_modify_expr_to_memset): Likewise.
1306         (gimplify_variable_sized_compare): Likewise.
1307         (gimplify_omp_atomic_fetch_op): Likewise.
1308         (gimplify_omp_atomic_pipeline): Likewise.
1309         (gimplify_omp_atomic_mutex): Likewise.
1310         (gimplify_function_tree): Likewise.
1312         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1313         (call_expr_flags): Likewise.
1314         (expand_call): Likewise.
1316         * except.c (expand_builtin_eh_return_data_regno): Pass entire
1317         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1318         accessors.
1320         * coverage.c (create_coverage): Use build_call_expr.
1322         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1323         (temp_call_expr_obstack): New.
1324         (pool_copy_list): Delete.
1325         (temp_copy_call_expr): New.
1326         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
1327         CALL_EXPR accessors.  Get rid of special goo for copying argument
1328         lists and use temp_copy_call_expr instead.
1329         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
1330         CALL_EXPR accessors.
1331         (create_expression_by_pieces): Likewise.  Use build_call_array
1332         to construct the result instead of fold_build3.
1333         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
1334         dealing with argument lists.
1335         (init_pre): Remove references to expression_node_pool and
1336         list_node_pool.  Init temp_call_expr_obstack instead.
1337         (fini_pre): Remove references to expression_node_pool and
1338         list_node_pool.
1340         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1341         and walk arguments explicitly instead of as a list.
1343         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1344         (mx_register_decls): Likewise.
1345         (mudflap_register_call): Likewise.
1346         (mudflap_finish_file): Likewise.
1348         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1349         (ipa_callsite_compute_param): Likewise.
1351         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1352         accessors and constructor.
1354         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1355         accessors and constructor.
1356         (convert_tramp_reference): Likewise.
1357         (convert_call_expr): Likewise.
1358         (finalize_nesting_tree_1): Likewise.
1360         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1361         accessors.
1363         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1365         * tree-inline.c (initialize_inlined_parameters): Pass entire
1366         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1367         accessors.
1368         (estimate_num_insns_1): Use new CALL_EXPR accessors.
1369         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1371         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
1372         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1373         (vectorizable_reduction): Likewise.
1374         (vectorizable_call): Use new CALL_EXPR iterators.
1375         (vectorizable_conversion): Use build_call_expr.
1376         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1377         (vect_gen_widened_results_half): Use build_call_expr.
1378         (vect_setup_realignment): Likewise.
1379         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1381         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1382         (pass_through_call): Likewise.
1383         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
1384         fold_builtin.
1386         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1387         (tree_gen_pow2_profiler): Likewise.
1388         (tree_gen_one_value_profiler): Likewise.
1389         (tree_gen_ic_func_profiler): Likewise.
1390         (tree_gen_average_profiler): Likewise.
1391         (tree_gen_ior_profiler): Likewise.
1393         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1394         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1395         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1397         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1398         of TREE_CODE_LENGTH.
1400         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1401         of TREE_CODE_LENGTH.
1403         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1404         constructor.
1405         (convert_to_integer): Likewise.
1407         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1408         accessors.
1410 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1411             Brooks Moses  <brooks.moses@codesourcery.com>
1412             Lee Millward  <lee.millward@codesourcery.com>
1414         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1415         accessors.
1416         * config/frv/frv.c (frv_expand_builtin): Likewise.
1417         * config/s390/s390.c (s390_expand_builtin): Likewise.
1419         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1420         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1422         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1423         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1424         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1425         (ix86_expand_store_builtin): Likewise.
1426         (ix86_expand_unop_builtin): Likewise.
1427         (ix86_expand_unop1_builtin): Likewise.
1428         (ix86_expand_sse_compare): Likewise.
1429         (ix86_expand_sse_comi): Likewise.
1430         (ix86_expand_vec_init_builtin): Likewise.
1431         (ix86_expand_vec_ext_builtin): Likewise.
1432         (ix86_expand_vec_set_builtin): Likewise.
1433         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1435         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1436         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1438         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1439         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1440         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1442         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1443         build_call_expr.
1444         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1445         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1446         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1447         (altivec_expand_abs_builtin): Likewise.
1448         (rs6000_expand_binop_builtin): Likewise.
1449         (altivec_expand_predicate_builtin): Likewise.
1450         (altivec_expand_lv_builtin): Likewise.
1451         (spe_expand_stv_builtin): Likewise.
1452         (altivec_expand_stv_builtin): Likewise.
1453         (rs6000_expand_ternop_builtin): Likewise.
1454         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1455         (altivec_expand_st_builtin): Likewise.
1456         (altivec_expand_dst_builtin): Likewise.
1457         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1458         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1459         (altivec_expand_vec_set_builtin): Likewise.
1460         (altivec_expand_vec_ext_builtin): Likewise.
1461         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1462         (spe_expand_builtin): Likewise.
1463         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1464         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1465         (spe_expand_evsel_builtin): Likewise.
1466         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1467         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1469         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1470         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1471         (arm_expand_unop_builtin): Likewise.
1472         (arm_expand_builtin): Use new CALL_EXPR accessors.
1474         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1475         accessors.
1477         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1478         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1479         (bfin_expand_unop_builtin): Likewise.
1480         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1482 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1483             Brooks Moses  <brooks.moses@codesourcery.com>
1484             Lee Millward  <lee.millward@codesourcery.com>
1486         * c-semantics.c (build_stmt): Add internal diagnostic check.
1488         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1489         accessors.  Print arguments explicitly instead of as a list.
1491         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1493         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1494         (c_finish_omp_flish): Likewise.
1496         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1497         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1498         instead of TREE_CODE_LENGTH.
1499         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1500         (c_warn_unused_result): Likewise.
1502 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1504         PR c/26494
1505         * doc/invoke.texi (Warning Options): Remove
1506         -Werror-implicit-function-declaration.
1507         (Wimplicit-function-declaration): Update description.
1508         * opts.c (common_handle_option): Move handling of -Werror=* to...
1509         (enable_warning_as_error): ...here.
1510         * opts.h (enable_warning_as_error): Declare.
1511         * c-decl.c (implicit_decl_warning): Unless
1512         -Wno-implicit-function-declaration is given, emit a pedwarn if
1513         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1514         * c.opt (Wimplicit-function-declaration): Replace
1515         mesg_implicit_function_declaration with
1516         warn_implicit_function_declaration.
1517         * c-opts.c (c_common_handle_option):
1518         -Werror-implicit-function-declaration is exactly equal as
1519         -Werror=implicit-function-declaration.
1520         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1521         warn_implicit_function_declaration.
1522         (c_common_post_options): -Wimplict-function-declaration is enabled
1523         by default by -std=c99, otherwise is disabled by default.
1524         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1526 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1528         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1529         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1530         former is ignored but not the latter.
1532 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1534         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1535         is made and the reference doesn't use the alias set of its type,
1536         do not create the temporary using that type.
1538 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1540         * jump.c: Remove prototypes for delete_computation and
1541         delete_prior_computation.
1543 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1545         * jump.c (get_label_after): Delete.
1546         (get_label_before, delete_computation, delete_jump,
1547         delete_prior_computation, follow_jumps): Move...
1548         * reorg.c (delete_computation, delete_prior_computation): ... here...
1549         (get_label_before, delete_jump): ... making these static ...
1550         (follow_jumps): ... and simplifying this since it only runs after
1551         reload.
1552         * rtl.h (get_label_after, get_label_before, delete_jump,
1553         follow_jumps): Delete prototypes.
1555 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1557         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1559 2007-02-15  Nick Clifton  <nickc@redhat.com>
1561         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1562         order to prevent it from being munged by the target.
1564 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1566         * config/i386/i386.md: Remove misleading comment.
1568 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1570         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1571         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1572         invalid patterns.
1574 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1576         * tree-sra.c (instantiate_missing_elements): Canonicalize
1577         bit-field types.
1578         (sra_build_assignment): New.
1579         (generate_copy_inout, generate_element_copy,
1580         generate_element_zero, generate_one_element_init): Use it.
1582 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1584         * tree-sra.c (instantiate_missing_elements): Canonicalize
1585         bit-field types.
1586         (sra_build_assignment): New.
1587         (generate_copy_inout, generate_element_copy,
1588         generate_element_zero, generate_one_element_init): Use it.
1590 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1592         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1593         limbo die nodes.
1595 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1597         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1598         types as aggregates not scalars.
1599         * function.c (assign_stack_temp_for_type): Likewise.
1601 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1602             Zdenek Dvorak  <dvorakz@suse.cz>
1604         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1605         name.
1607 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1609         * passes.c (next_pass_1): Clear the next field of the copied
1610         pass structure.
1612 2007-02-14  Richard Henderson  <rth@redhat.com>
1614         * tree-sra.c (early_sra): New.
1615         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1616         (tree_sra_early, pass_sra_early): New.
1617         * tree-pass.h (pass_sra_early): Declare.
1618         * passes.c (init_optimization_passes): Use it.
1620 2007-02-14  Richard Guenther  <rguenther@suse.de>
1622         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1624 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1626          PR tree-optimization/30771
1627         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1628         also phi nodes.
1629         (vect_analyze_operations): Induction phis can now be marked as
1630         used_in_loop.
1631         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1632         Update documentation accordingly.
1634 2007-02-14  Nick Clifton  <nickc@redhat.com>
1636         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1637         most 3 arguments are supported.
1638         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1640 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1642         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1643         Ensure dst->current is valid.
1645 2007-02-13  Paul Brook  <paul@codesourcery.com>
1647         * config.gcc: Add arm*-*-uclinux-*eabi.
1648         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1649         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1650         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1651         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1652         (LINK_SPEC): Define.
1653         (LIB_SPEC): Define.
1654         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1655         register.
1656         * config/arm/uclinux-eabi.h: New file.
1657         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1658         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1659         based targets.
1661 2007-02-13  Ian Lance Taylor  <iant@google.com>
1663         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1664         * flags.h (warn_strict_overflow): Declare.
1665         (enum warn_strict_overflow_code): Define.
1666         (issue_strict_overflow_warning): New static inline function.
1667         * opts.c (warn_strict_overflow): New variable.
1668         (common_handle_option): Handle OPT_Wstrict_overflow and
1669         OPT_Wstrict_overflow_.
1670         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1671         OPT_Wall.
1672         * fold-const.c: Include intl.h.
1673         (fold_deferring_overflow_warnings): New static variable.
1674         (fold_deferred_overflow_warning): New static variable.
1675         (fold_deferred_overflow_code): New static variable.
1676         (fold_defer_overflow_warnings): New function.
1677         (fold_undefer_overflow_warnings): New function.
1678         (fold_undefer_and_ignore_overflow_warnings): New function.
1679         (fold_deferring_overflow_warnings_p): New function.
1680         (fold_overflow_warning): New static function.
1681         (make_range): Add strict_overflow_p parameter.  Change all
1682         callers.
1683         (extract_muldiv, extract_muldiv_1): Likewise.
1684         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1685         tree_expr_nonnegative_p.
1686         (fold_negate_expr): Call fold_overflow_warning.
1687         (fold_range_test): Likewise.
1688         (fold_comparison): Likewise.
1689         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1690         instead of tree_expr_nonnegative_p.
1691         (tree_expr_nonnegative_warnv_p): Rename from
1692         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1693         (tree_expr_nonnegative_p): New function.
1694         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1695         strict_overflow_p parameter.
1696         (tree_expr_nonzero_p): New function.
1697         * passes.c (verify_interpass_invariants): New static function.
1698         (execute_one_pass): Call it.
1699         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1700         warnings.
1701         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1702         (estimate_numbers_of_iterations): Likewise.
1703         (scev_probably_wraps_p): Likewise.
1704         * tree-ssa-ccp.c: Include "toplev.h".
1705         (evaluate_stmt): Defer fold overflow warnings until we know we are
1706         going to optimize.
1707         (struct fold_stmt_r_data): Add stmt field.
1708         (fold_stmt_r): Defer fold overflow warnings until we know we
1709         optimized.
1710         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1711         (fold_stmt_inplace): Likewise.
1712         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1713         (cleanup_control_expr_graph): Defer fold overflow warnings until
1714         we know we are going to optimize.
1715         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1716         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1717         Likewise.
1718         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1719         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1720         * tree-ssa-loop-manip.c (create_iv): Likewise.
1721         * c-typeck.c (build_conditional_expr): Likewise.
1722         (build_binary_op): Likewise.
1723         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1724         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1725         (extract_range_from_unary_expr): Likewise.
1726         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1727         assuming that signed overflow does not occur.
1728         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1729         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1730         (fold_defer_overflow_warnings): Declare.
1731         (fold_undefer_overflow_warnings): Declare.
1732         (fold_undefer_and_ignore_overflow_warnings): Declare.
1733         (fold_deferring_overflow_warnings_p): Declare.
1734         (tree_expr_nonzero_warnv_p): Declare.
1735         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1736         of warning options.
1737         (Warning Options): Document -Wstrict-overflow.
1738         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1739         (tree-ssa-ccp.o): Likewise.
1740         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1741         (fold-const.o): Depend on intl.h.
1743 2007-02-13  Ian Lance Taylor  <iant@google.com>
1745         PR middle-end/30751
1746         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1747         addresses.
1749 2007-02-13  Stuart Hastings  <stuart@apple.com>
1751         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1753 2007-02-13  Richard Henderson  <rth@redhat.com>
1755         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1756         handled_component_p before looking for the indirect_ref.
1758 2007-02-13  Richard Henderson  <rth@redhat.com>
1760         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1761         remove flags clobber.
1762         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1763         (bswaphi_lowpart): New.
1764         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1765         remove TARGET_BSWAP test.  Delete expander of the same name.
1767         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1768         (expand_unop): Use them.
1770 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1772         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1773         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1774         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1775         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1776         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1777         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1778         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1779         assembler dialect choice from asm templates.
1781 2007-02-12  Richard Henderson  <rth@redhat.com>
1783         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1784         (fixuns_trunc<SSEMODEF>si2): Use it.
1785         * config/i386/sse.md (vec_setv4sf_0): Export.
1786         * config/i386/i386.c (ix86_build_const_vector): Export.
1787         (ix86_split_convert_uns_si_sse): Rename from
1788         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1789         * config/i386/i386-protos.h: Update.
1791 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1793         PR c/29521
1794         * c-typeck.c (c_finish_return): Improve warning message.
1796 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1798         * alias.c (find_symbolic_term): Delete unused function.
1800 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1802         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1803         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1804         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1806 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1808         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1809         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1810         the function, temporarily point the debug interface to the null one.
1812 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1814         * dwarf2out.c (round_up_to_align): New static function.
1815         (field_byte_offset): Use it to round the offset.
1817 2007-02-12  Richard Henderson  <rth@redhat.com>
1819         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1820         (inswl_const): Export.
1822 2007-02-12  Richard Henderson  <rth@redhat.com>
1824         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1825         result mode of the libcall, convert back to outmode.
1827 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1829         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1830         (bswapdi2): New define_expand to implement 32-bit implementation.
1832 2007-02-12  Nick Clifton  <nickc@redhat.com>
1834         * doc/invoke.texi (Overall Options): Document --help=.
1835         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1836         (cc1_options): Pass --help= on to cc1.
1837         (display_help): Add description of --help=.
1838         (process_command): Add code to handle --help=.  Allow translated
1839         --help and --target-help switches to be passed on to compiler
1840         sub-process.
1841         (main): Remove unused if statement.
1842         * opts.c (columns): Remove.
1843         (LEFT_COLUMN): Define.
1844         (wrap_help): Add columns argument.
1845         (print_filtered_help): Change parameters to be an include bitmask,
1846         an exclude bitmask, an any bitmask and the column width.  Move the
1847         code to display the params list here.  Add code to display the
1848         status of options rather than their descriptions if the quiet flag
1849         is not active.
1850         (print_specific_help): Change parameters to be an include bitmask,
1851         an exclude bitmask and an any bitmask.  Move code to look up the
1852         column width here.  Decide upon the title for an options listing.
1853         (common_handle_options): Add code to handle --help=.  Adapt code
1854         for --help and --target-help to use the revised form of the
1855         print_specific_help function.
1856         (print_help): Delete.
1857         (print_param_help): Delete.
1858         (print_switch): Delete.
1859         * opts.h (cl_lang_count): Add prototype.
1860         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1861         CL_MAX_OPTION_CLASS): New defines.
1862         * optc-gen.awk: Add construction of cl_lang_count.
1863         * c.opt: Add Warning attribute to warning options and Optimization
1864         attribute to optimization options.
1865         * common.opt: Likewise.
1866         Add --help=.
1867         Add -fhelp and -ftarget-help as aliases for the transformed --help
1868         and --target-help options.
1869         * opt-functions.awk: Add code to handle Warning and Optimization
1870         attributes.
1872 2007-02-12  Richard Henderson  <rth@redhat.com>
1874         * config/alpha/constraints.md: New file.
1875         * config/alpha/alpha.c: Include tm-constrs.h.
1876         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1877         alpha_extra_constraint): Remove.
1878         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1879         * config/alpha/alpha-protos.h: Update.
1880         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1881         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1882         (EXTRA_CONSTRAINT): Remove.
1883         * config/alpha/alpha.md: Include constraints.md.
1884         (adddi splitter): Use satisfies_constraint_*.
1885         * config/alpha/predicates.md (add_operand): Likewise.
1886         (sext_add_operand, addition_operation): Likewise.
1888 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1890         PR tree-optimization/29145
1891         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1892         in our handling of restrict qualified pointers.
1894 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1896         PR middle-end/7651
1897         * doc/invoke.texi (Wunused-value): Update description.
1898         (Wextra): Delete item.
1899         * opts.c (set_Wextra): Don't use the value of Wextra to set the
1900         value of Wunused-value.
1901         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1902         (c_finish_stmt_expr): Don't check extra_warnings.
1903         (emit_side_effect_warnings): The caller is responsible to check
1904         warn_unused_value.
1906 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1907             Matt Thomas  <matt@3am-software.com>
1909         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1911 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1913         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1914         comparisons of POPCOUNT against zero.
1915         (simplify_const_relational_operation): Likewise.
1917 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1919         * doc/invoke.texi (Wextra): Delete outdated paragraph.
1921 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1923         * dwarf2out.c (root_type): Delete unused function.
1925 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1927         * genattrtab.c (contained_in_p): Delete unused function.
1928         (write_expr_attr_cache): Likewise.
1930 2007-02-11  Jan Hubicka  <jh@suse.cz>
1932         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1933         previous patch.
1935 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
1937         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
1938         to add the REG_EQ* note.
1939         * see.c (see_merge_one_use_extension): Likewise.
1940         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
1941         turn REG_EQUAL notes into REG_EQUIV notes if the target
1942         register may have more than one set.
1943         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
1944         * gcse.c (try_replace_reg): Likewise.
1945         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
1946         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
1947         more than one REG_EQUIV note.
1948         * reload1.c (gen_reload): Use set_unique_reg_note.
1950 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
1952         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
1953         (ix86_builtin_conversion): New function.
1955 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
1957         PR target/29487
1958         * tree.h (DECL_REPLACEABLE_P): New macro.
1959         * except.c (set_nothrow_function_flags): Likewise.
1961 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
1962             Ira Rosen  <irar@il.ibm.com>
1963             Dorit Nuzman  <dorit@il.ibm.com>
1965         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
1966         * targhooks.c (default_builtin_vectorized_conversion): New.
1967         * targhooks.h (default_builtin_vectorized_function): New declaration.
1968         * target.h (struct vectorize): Add builtin_conversion field.
1969         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
1970         stmt_vec_info_type value.
1971         (vectorizable_conversion): New declaration.
1972         * tree-vect-analyze.c (vect_analyze_operations): Add
1973         vectorizable_conversion call.
1974         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
1975         * tree-vect-transform.c (vectorizable_conversion): New function.
1976         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
1977         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1978         mode.
1979         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
1980         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
1981         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
1982         or ALTIVEC_BUILTIN_VCFSX.
1984 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1986         PR target/30634
1987         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
1988         CONST_DOUBLE and operand 0 is a hard register.
1989         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
1990         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
1991         is a hard floating-point register.
1993 2007-02-10  Richard Henderson  <rth@redhat.com>
1994             Jakub Jelinek  <jakub@redhat.com>
1995             Alexandre Oliva  <aoliva@redhat.com>
1997         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
1998         * builtin-types.def (BT_WORD): Make unsigned.
1999         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2000         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2001         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2002         * c-decl.c (grokdeclarator): Don't error if !have_tls.
2003         * c-parser.c (c_parser_omp_threadprivate): Likewise.
2004         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2005         emulated tls.
2006         * expr.c (emutls_var_address): New.
2007         (expand_expr_real_1): Expand emulated tls.
2008         (expand_expr_addr_expr_1): Likewise.
2009         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2010         * output.h (emutls_finish): Declare.
2011         * toplev.c (compile_file): Call it.
2012         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2013         address before wrapping in CONST.
2014         * varasm.c (emutls_htab, emutls_object_type): New.
2015         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2016         (get_emutls_object_name, get_emutls_object_type): New.
2017         (get_emutls_init_templ_addr, emutls_decl): New.
2018         (emutls_common_1, emutls_finish): New.
2019         (assemble_variable): When emulating tls, swap decls; generate
2020         constructor for the emutls objects.
2021         (do_assemble_alias): When emulating tls, swap decl and target name.
2022         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2023         for emulated tls.
2024         * varpool.c (decide_is_variable_needed): Look at force_output.
2025         Recurse for emulated tls.
2026         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
2027         with decide_is_variable_needed.
2028         * emutls.c: New file.
2029         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2030         tls_object for real tls.
2032 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2034         PR rtl-optimization/29599
2035         * reload1.c (eliminate_regs_in_insn): Take the destination
2036         mode into account when computing the offset.
2038 2007-02-09  Stuart Hastings  <stuart@apple.com>
2039             Richard Henderson  <rth@redhat.com>
2041         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2042         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2043         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
2044         fixuns_truncdfhi2): New.
2045         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
2046         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
2047         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
2048         (floatunssidf2): Allow nonimmediate source.
2049         * gcc/config/i386/sse.md (movdi_to_sse): New.
2050         (vec_concatv2di): Drop '*'.
2051         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
2052         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2053         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
2054         New.
2055         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
2056         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2057         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
2058         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
2059         (ix86_build_signbit_mask): Fix decl of v, refactor to call
2060         ix86_build_const_vector.
2061         (x86_emit_floatuns): Rewrite.
2063 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2065         * genautomata.c (longest_path_length): Delete unused function.
2066         (struct state): Delete unused longest_path_length.
2067         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
2068         (get_free_state): Delete unused.
2070 2007-02-09  Jan Hubicka  <jh@suse.cz>
2072         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
2073         * doc/invoke.texi (inline-unit-growth): Update default value.
2075         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
2076         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
2077         (rebuild_cgraph_edges): Likewise.
2078         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
2079         (dump_cgraph_node): Dump frequencies.
2080         (cgraph_clone_edge): Add frequency scales.
2081         (cgraph_clone_node): Add freuqnecy.
2082         * cgraph.h (cgraph_edge): Add freuqnecy argument.
2083         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
2084         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
2085         * tree-pass.h (TODO_rebuild_frequencies): New constant.
2086         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
2087         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
2088         (save_inline_function_body): Likewise.
2089         * ipa-inline.c: inluce rtl.h
2090         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
2091         (cgraph_edge_badness): Use frequencies.
2092         (cgraph_decide_recursive_inlining): Update clonning.
2093         (cgraph_decide_inlining_of_small_function): Dump frequency.
2094         * predict.c (estimate_bb_frequencies): Export.
2095         * predict.h (estimate_bb_frequencies): Declare.
2096         * tree-inline.c (copy_bb): Watch overflows.
2097         (expand_call_inline): Update call of cgraph_create_edge.
2098         (optimize_inline_calls): Use TODO flags to update frequnecies.
2099         * passes.h: Include predict.h
2100         (init_optimization_passes): Move profile ahead.
2101         (execute_function_todo): Handle TODO_rebuild_frequencies.
2103 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2105         * config/alpha/alpha.c (emit_insxl): Force the first operand of
2106         the insbl or inswl pattern into a register.
2108 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2110         * config/ia64/ia64.md (bswapdi2): New define_insn.
2112 2007-02-09  Richard Henderson  <rth@redhat.com>
2114         * config/i386/constraints.md (Ym): New constraint.
2115         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
2116         (movdi_1_rex64): Split sse and xmm general register moves from
2117         memory move alternatives.  Use conditional register constraints.
2118         (movsf_1, movdf_integer): Likewise.
2119         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
2120         (movdf_integer_rex64): New.
2121         (pushsf_rex64): Fix output constraints.
2122         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
2123         (sse2_stored): Likewise.
2124         (sse2_storeq_rex64): New.
2125         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
2126         amd and not generic.
2127         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
2128         for optimize_size.  Remove SF/DFmode hack.
2130 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2132         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
2133         (bit_SSE4a): New.
2135 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
2136             Richard Sandiford  <richard@codesourcery.com>
2138         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
2139         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
2140         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
2141         m68k/t-mlib to tmake_file.
2142         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
2143         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
2144         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
2145         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
2146         variable is not empty, add t-$m68k_arch_family to tmake_file.
2147         Add t-mlibs to tmake_file.
2148         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
2149         * config/m68k/t-cf: New file.
2150         * config/m68k/t-m68k: Likewise.
2151         * config/m68k/t-mlibs: Likewise.
2152         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2153         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2154         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2155         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2156         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
2157         Delete.
2158         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
2159         (INSTALL_LIBGCC): Delete.
2160         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2161         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2162         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2163         (M68K_MLIB_CPU): Define.
2164         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2165         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2166         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
2168 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2169             Richard Guenther  <rguenther@suse.de>
2171         PR middle-end/23361
2172         * fold-const.c (fold_comparison): Handle obfuscated comparisons
2173         against INT_MIN/INT_MAX.
2174         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
2175         file if a loop is removed.
2177 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
2179         * calls.c (store_one_arg): Pass correct alignment to
2180         emit_push_insn for non-BLKmode values.
2181         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
2182         unaligned stack slot via a suitably aligned slot.
2184 2007-02-08  DJ Delorie  <dj@redhat.com>
2186         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
2187         warnings.
2188         (legal_subregs): Use unsigned char, make const.
2189         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
2191 2007-02-08  Paul Brook  <paul@codesourcery.com>
2193         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
2194         special interworking needed.
2196 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
2198         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
2199         conditional to __SSE2__.
2200         (Entries below should have been added to first ChangeLog
2201         entry for amdfam10 dated 2007-02-05)
2202         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
2203         defined.
2204         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
2205         defined.
2206         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
2207         defined.
2209 2007-02-08  DJ Delorie  <dj@redhat.com>
2211         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
2212         * config/m32c/m32c.c (legal_subregs): New.
2213         (m32c_illegal_subreg_p): New.
2214         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2215         unsupported subregs of hard regs.
2217 2007-02-08  Jan Hubicka  <jh@suse.cz>
2219         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2220         the same one; always update histograms.
2222 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2224         * passes.c (init_optimization_passes): Tidy comment.
2226 2007-02-08  Roger Sayle  <roger@eyesopen.com>
2228         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2229         strip zero_extend, bswap and rotates from POCOUNT's argument.
2230         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2231         zero_extend and rotates from PARITY's argument.
2232         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2233         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2234         of an integer constant at compile-time.
2236 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2238         PR 30562
2239         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2240         Update all users.
2241         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
2242         users.
2243         (init_alias_info):
2244         * tree-ssa-live.c (remove_unused_locals): Do not remove
2245         TREE_ADDRESSABLE variables.
2246         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2247         * tree-ssa-operands.c (add_virtual_operand): Remove argument
2248         FOR_CLOBBER.  Update all users.
2249         If VAR has an associated alias set, add a virtual operand for
2250         it if no alias is found to conflict with the memory reference.
2252 2007-02-07  Jan Hubicka  <jh@suse.cz>
2253             Robert Kidd <rkidd@crhc.uiuc.edu>
2255         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2257 2007-02-07  Ian Lance Taylor  <iant@google.com>
2259         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2261 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2263         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2264         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2265         tablejumpdi, movsi_to_cr_one): Remove constraints from
2266         define_expand's match_operands.
2268 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2270         * global.c (compute_regsets): Move declatation of "i" inside of
2271         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2273 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2275         PR c++/30703
2276         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2277         of INDIRECT_REF <RESULT_DECL>.
2279         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2281 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
2282             Kaz Kojima  <kkojima@gcc.gnu.org>
2284         PR target/29746
2285         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2286         properly.
2287         (sh_initialize_trampoline): Add parentheses to avoid a warning.
2289 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2291         * doc/loop.texi: Document possibility not to perform disambiguation
2292         of loops with multiple latches.
2293         * cfgloopmanip.c (alp_enum_p): Removed.
2294         (add_loop): Handle subloops.  Use get_loop_body_with_size.
2295         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2296         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2297         the new forwarder block.
2298         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2299         Handle the case latch is NULL.
2300         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2301         when marking loop exits.
2302         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
2303         be modified.
2304         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
2305         disambiguate_loops_with_multiple_latches.
2306         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2307         before fix_loop_structure.
2308         * cfgloop.c: Include pointer-set.h and output.h.
2309         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2310         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2311         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2312         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2313         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2314         disambiguate_multiple_latches, get_loop_body_with_size,
2315         disambiguate_loops_with_multiple_latches): New functions.
2316         (flow_loop_dump): Dump multiple latch edges.
2317         (flow_loop_nodes_find): Handle loops with multiple latches.
2318         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2319         (glb_enum_p): Modified.
2320         (get_loop_body): Use get_loop_body_with_size.
2321         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2322         (AVOID_CFG_MODIFICATIONS): New constant.
2323         (disambiguate_loops_with_multiple_latches, add_loop,
2324         get_loop_body_with_size): Declare.
2325         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2327 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
2329         PR inline-asm/28686
2330         * global.c (compute_regsets): New function.
2331         (global_alloc): Refactored ELIMINABLE_REGSET
2332         and NO_GLOBAL_ALLOC_REGS computation out.
2333         (rest_of_handle_global_alloc): Call compute_regsets()
2334         for non-optimizing case.
2336 2007-02-06  Richard Henderson  <rth@redhat.com>
2338         * config/i386/constraints.md (Y2): Rename from Y.
2339         (Yi): New constraint.
2340         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2341         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2342         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2343         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2344         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2345         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2346         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2347         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2348         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2349         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2350         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2351         vec_extractv2si_1): Change Y constraints to Y2.
2352         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2353         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2354         Change Y constraints to Y2.
2355         (sse2_loadld): Change Y constraints to x.
2357 2007-02-06  Roger Sayle  <roger@eyesopen.com>
2359         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2360         (parity<mode>2): New define_expand using rs6000_emit_parity.
2361         * config/rs6000/rs6000.c (rs6000_emit_popcount,
2362         rs6000_emit_parity): New functions.
2363         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2364         rs6000_emit_parity): Prototype here.
2366 2007-02-06  Ian Lance Taylor  <iant@google.com>
2368         * lower-subreg.c (simple_move_operand): Reject CONST.
2369         (resolve_clobber): Call validate_change rather than directly
2370         assigning to XEXP (pat, 0).
2372 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2374         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2375         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2376         (tree-cfg.o): Remove hashtab.h dependency.
2378         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2379         (struct ivopts_data): Change niters to pointer_map_t.
2380         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2381         (niter_for_exit): Create pointer_map on demand.  Change for
2382         pointer_map API.
2383         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2384         (free_loop_data): Destroy data->niters if created and reset field.
2385         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2386         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2388         * tree-ssa-reassoc.c: Include pointer-set.h.
2389         (bb_rank): Change to long *.
2390         (operand_rank): Change to pointer_map_t.
2391         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2392         (insert_operand_rank): Accept long.
2393         (operand_entry_hash, operand_entry_eq): Remove.
2394         (get_rank): Return long.  Adjust for changes above.
2395         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2396         and operand_rank.
2397         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2399         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2400         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2401         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2402         is not NULL.
2403         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2404         directly since it cannot be NULL.
2405         (get_vi_for_tree): Rewrite for pointer_map API.
2406         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2407         (init_alias_vars): Create vi_for_tree as pointer_map.
2408         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2410         * tree-cfg.c: Don't include hashtab.h.
2411         (edge_to_cases): Declare as pointer_map.
2412         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2413         Delete.
2414         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2415         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2416         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2417         destroying it.
2418         (record_switch_edge): Delete.
2419         (get_cases_for_edge): Adjust for pointer_map API, inline
2420         record_switch_edge (rewritten for new API), remove goto.
2422 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2424         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2425         * tree-nested.c: Include pointer-set.h.
2426         (var_map_elt, var_map_eq, var_map_hash): Delete.
2427         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2428         to pointer_map_t's.
2429         (nesting_info_bitmap_obstack): New.
2430         (lookup_field_for_decl): Adjust for pointer_map API.
2431         (lookup_tramp_for_decl): Adjust for pointer_map API.
2432         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2433         (get_local_debug_decl): Adjust for pointer_map API.
2434         (convert_nl_goto_reference): Adjust for pointer_map API.
2435         (convert_nl_goto_receiver): Adjust for pointer_map API.
2436         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2437         the new obstack.  Create field_map and var_map as pointer_maps.
2438         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2439         (root): Delete.
2440         (lower_nested_functions): Move root here, no need to NULL it.
2441         Initialize and release the obstack.
2443 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2445         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2446         Remove prototypes and make them non-static.
2447         (struct tree_int_map): Remove.
2448         * tree.h (struct tree_int_map): Move here, turning TO into an
2449         unsigned int.
2450         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2452         * tree.h (TREE_COMPLEXITY): Remove.
2453         (struct tree_exp): Remove complexity field.
2454         * tree.c (build1_stat): Don't set it.
2456 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2457             Victor Kaplansky  <victork@il.ibm.com>
2459         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2460         (vect_is_simple_reduction): Support reduction with induction as
2461         one of the operands.
2462         (vect_is_simple_iv_evolution): Fix formatting.
2463         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2464         formatting.  Don't mark induction phis for vectorization.
2465         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2466         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2467         (vect_get_vec_def_for_operand): Support induction.
2468         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2469         induction case.
2470         (vectorizable_reduction): Support reduction with induction as one of
2471         the operands.
2472         (vectorizable_type_demotion): Use def-type of stmt argument rather
2473         than dummy def-type.
2475         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2476         flag_tree_scev_cprop.
2477         * common.opt (tree-scev-cprop): New flag.
2479         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2480         call to vect_get_new_vect_var.
2482 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2484         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2485         vectype is not NULL.
2486         (vect_pattern_recog_1): Likewise.
2488 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2490         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2491         (fold_negate_expr): Likewise.
2493 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2495         PR debug/30189
2496         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2497         even if cv-qualification is the same.
2499 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2501         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2502         __enable_execute_stack on completion.
2504 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2506         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2507         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2508         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2509         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2510         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2511         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2512         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2513         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2515 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2517         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2518         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2519         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2520         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2521         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2522         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2523         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2524         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2525         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2526         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2527         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2528         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2529         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2530         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2531         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2532         sqrtextenddfxf2_i387): Added amdfam10_decode.
2534         * config/i386/athlon.md (athlon_idirect_amdfam10,
2535         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2536         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2537         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2538         athlon_ivector_store_amdfam10): New define_insn_reservation.
2539         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2540         amdfam10.
2542 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2544         * config/i386/athlon.md (athlon_call_amdfam10,
2545         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2546         define_insn_reservation.
2547         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2548         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2549         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2551 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2553         * config/i386/athlon.md (athlon_sseld_amdfam10,
2554         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2555         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2557 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2559         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2560         define_insn_reservation.
2561         * config/i386/i386.md (sseins): Added sseins to define_attr type
2562         and define_attr unit.
2563         * config/i386/sse.md: Set type attribute to sseins for insertq
2564         and insertqi.
2566 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2568         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2569         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2570         ssecomi_load_amdfam10, ssecomi_amdfam10,
2571         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2572         define_insn_reservation.
2573         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2575 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2577         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2578         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2579         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2580         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2581         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2582         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2583         define_insn_reservation.
2585         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2586         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2587         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2588         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2589         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2591 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2593         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2594         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2595         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2596         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2597         athlon_ssemul_load_k8): Added amdfam10.
2599 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2601         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2602         (x86_sse_unaligned_move_optimal): New variable.
2604         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2605         m_AMDFAM10.
2606         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2607         for unaligned vector SSE double/single precision loads for AMDFAM10.
2609 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2611         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2612         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2613         Define TARGET_CPU_DEFAULT_amdfam10.
2614         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2615         (processor_type): Add PROCESSOR_AMDFAM10.
2617         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2618         processor_type in config/i386/i386.h.
2619         Enable imul peepholes for TARGET_AMDFAM10.
2621         * config.gcc: Add support for --with-cpu option for amdfam10.
2623         * config/i386/i386.c (amdfam10_cost): New variable.
2624         (m_AMDFAM10): New macro.
2625         (m_ATHLON_K8_AMDFAM10): New macro.
2626         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2627         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2628         x86_promote_QImode, x86_integer_DFmode_moves,
2629         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2630         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2631         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2632         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2633         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2634         Enable/disable for amdfam10.
2635         (override_options): Add amdfam10_cost to processor_target_table.
2636         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2637         processor_alias_table.
2638         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2639         (ix86_adjust_cost): Add code for amdfam10.
2641 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2643         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2644         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2645         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2646         * config/i386/i386.h: Add builtin definition for SSE4A.
2647         * config/i386/i386.md: Add support for ABM instructions
2648         (popcnt and lzcnt).
2649         * config/i386/sse.md: Add support for SSE4A instructions
2650         (movntss, movntsd, extrq, insertq).
2651         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2652         Add -march=amdfam10 flag.
2653         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2654         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2655         and amdfam10.
2656         * doc/extend.texi: Add documentation for SSE4A builtins.
2658 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2660         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2662 2007-02-05  Richard Guenther  <rguenther@suse.de>
2664         * tree-vectorizer.h (vectorizable_function): Add argument type
2665         argument, change return type.
2666         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2667         * tree-vect-transform.c (vectorizable_function): Handle extra
2668         argument, return vectorized function decl.
2669         (build_vectorized_function_call): Remove.
2670         (vectorizable_call): Handle calls with result and argument types
2671         differing.  Handle loop vectorization factor correctly.
2672         * targhooks.c (default_builtin_vectorized_function): Adjust for
2673         extra argument.
2674         * targhooks.h (default_builtin_vectorized_function): Likewise.
2675         * target.h (builtin_vectorized_function): Add argument type
2676         argument.
2677         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2678         extra argument, allow vectorizing of lrintf.
2679         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2680         documentation of target hook.
2682 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2684         PR target/30665
2685         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2686         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2687         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2689 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2691         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2692         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2693         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2694         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2695         before canonicalizing sincos to cexpi.
2696         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2698 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2700         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2701         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2702         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2704 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2706         * mips-tfile.c (initialize_init_file): Correct endianness test.
2708 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2710         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2711         the 'y' constraint.
2713 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2715         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2716         saves in a PARALLEL before the register assignments.
2718 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2720         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2721         DWARF_FRAME_RETURN_COLUMN to be a general register.
2722         * dwarf2out.c (init_return_column_size): New function, split from...
2723         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2724         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2725         to be nongeneral registers.
2726         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2727         integer registers.
2728         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2729         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2731 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2733         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2735 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2737         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2738         (remove_path): Use can_remove_branch_p and remove_branch instead
2739         of loop_delete_branch_edge.
2740         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2741         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2742         Update profile using scale_dominated_blocks_in_loop.
2743         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2744         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2745         (can_remove_branch_p, remove_branch): Declare.
2746         * tree-cfg.c (tree_can_remove_branch_p): New function.
2747         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2748         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2749         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2751 2007-02-05  Jan Hubicka  <jh@suse.cz>
2753         PR middle-end/30696
2754         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2755         nodes in cgraph, don't remove offline copy of the function.
2757 2007-02-04  Jan Hubicka  <jh@suse.cz>
2759         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2760         vectors might cause maybe_lookup_element_for_expr to be called
2761         on non-sra-candidate.
2763 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2765         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2766         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2767         spelling conventions.
2769 2007-02-04  Richard Guenther  <rguenther@suse.de>
2771         PR middle-end/30636
2772         * fold-const.c (try_move_mult_to_index): Make sure to not
2773         overflow one dimension of a multi-dimensional array access.
2775 2007-02-04  Jan Hubicka  <jh@suse.cz>
2777         * passes.c (init_optimization_passes): Reindent.
2779 2007-02-04  Jan Hubicka  <jh@suse.cz>
2780             Eric Botcazou  <ebotcazou@adacore.com>
2782         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2783         (execute_fixup_cfg): Break out the abnormal goto code.
2784         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2785         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2786         (optimize_inline_calls): Call make_nonlocal_label_edges.
2788 2007-02-04  Jan Hubicka  <jh@suse.cz>
2790         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2791         true when something was changed.
2792         (rename_ssa_copies): When something was changed, do
2793         TODO_remove_unused_locals.
2794         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2795         add TODO_remove_unused_locals when instruction was removed.
2797 2007-02-04  Jan Hubicka  <jh@suse.cz>
2799         * ipa-inline.c (try_inline): Improve debug output; work on already
2800         inline edges too.
2801         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2802         call try_inline for already inlined edges too when flattening;
2803         inline also functions that make callee growth but overall unit size
2804         reduce.
2806 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2808         * config/m32c/bitops.md, config/m32c/jump.md,
2809         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2810         config/m32r/m32r.h, config/m32r/m32r.md,
2811         config/m32r/predicates.md, config/m68hc11/larith.asm,
2812         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2813         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2814         config/mips/mips-protos.h, config/mips/mips.c,
2815         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2816         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2817         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2818         spelling conventions.
2820         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2821         Follow spelling conventions.
2823 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2825         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2826         warn about C++0x compatibility.
2828 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2830         * config/h8300/h8300.c, config/h8300/h8300.h,
2831         config/h8300/h8300.md: Follow spelling conventions.
2833 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2835         PR middle-end/30667
2836         * combine.c (try_combine): Do not substitute source operand
2837         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2839 2007-02-03  Jan Hubicka  <jh@suse.cz>
2841         PR gcov-profile/30650
2842         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2843         do not divide by zero for never executed counters.
2844         (tree_find_values_to_profile): Fix counters.
2845         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2847 2007-02-03  Ian Lance Taylor  <iant@google.com>
2849         * lower-subreg.c (simple_move_operand): New static function,
2850         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2851         operands.
2852         (simple_move): Call simple_move_operand.
2853         (find_decomposable_subregs): Add special handling of MEMs.
2854         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2855         meaning of return value.  If we see a hard register, test whether
2856         it can store a word_mode value.  Change all callers.
2858 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2860         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2861         ftrapv insns and expanders.
2862         (subdi3): Change define_expand operand 1 to arith11_operand, and
2863         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2864         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2865         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2866         respectively.
2868         PR middle-end/30174
2869         * varasm.c (notice_global_symbol): Treat global objects as weak when
2870         flag_shlib is true.
2872 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2874         * emit-rtl.c (dconstpi): Delete.
2875         (dconstsqrt2): New.
2876         (init_emit_once): Delete dconstpi and init dconstsqrt2.
2877         * real.h (dconstpi): Delete.
2878         (dconstsqrt2): New.
2879         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2880         (fold_builtin_hypot): Likewise.
2882 2007-02-03  Tom Tromey  <tromey@redhat.com>
2884         PR driver/30246
2885         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2886         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2888 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2890         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2891         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2892         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2893         config/rs6000/cell.md, config/rs6000/darwin.h,
2894         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2895         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2896         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2897         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2898         typos.  Follow spelling conventions.
2899         * doc/invoke.texi: Follow spelling conventions.
2901 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2903         * simplify-rtx.c (simplify_relational_operation_1): Implement some
2904         canonicalization transformations that attempt to simplify integer
2905         constant comparisons to become comparisons against zero.
2907 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2909         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2910         fabs(x)*sqrt(2).
2911         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
2912         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
2914 2007-02-02  Mike Stump  <mrs@apple.com>
2916         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2917         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2918         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2919         generate a branch island.
2921 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
2923         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2924         (xtensa_legitimate_address_p): New.
2925         (xtensa_legitimize_address): New.
2926         (xtensa_output_addr_const_extra): New.
2927         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2928         (BASE_REG_P): New.
2929         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2930         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2931         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2932         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2933         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
2934         (xtensa_legitimize_address): New.
2935         (xtensa_output_addr_const_extra): New.
2937 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
2939         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2941 2007-02-02  Ian Lance Taylor  <iant@google.com>
2943         * expmed.c (expand_divmod): Add comment.
2945 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
2947         * emit-rtl.c (renumber_insns): Remove.
2948         * flags.h: Remove the extern for flag_renumber_insns.
2949         * rtl.h: Remove the prototype for renumber_insns.
2950         * toplev.c (flag_renumber_insns): Remove.
2952 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
2954         Revert for x86 darwin:
2955         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
2957         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
2958         code before the following patch under TARGET_MACHO.
2959         (ix86_function_value_regno_p): Likewise.
2961 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2963         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
2964         COMPLEX_EXPR.
2966 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2968         PR target/29682
2969         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
2970         general or fp registers.  Add comments.
2971         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
2973 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
2975         * pointer-set.c (insert_aux): Only return insertion slot.
2976         (pointer_set_insert): Adjust.
2977         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
2978         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
2979         pointer_map_traverse): New.
2980         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
2981         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
2982         pointer_map_contains, pointer_map_traverse): Declare.
2984 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
2986         PR middle-end/30473
2987         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
2988         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
2990 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2992         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
2994         (struct _dep): New type.
2995         (dep_t): New typedef.
2996         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
2997         (DEP_STATUS): New access macro.  The macro with the same name was
2998         renamed to DEP_LINK_STATUS.
2999         (dep_init): Declare function
3001         (struct _dep_link): New type.
3002         (dep_link_t): New typedef.
3003         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
3004         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
3005         (DEP_LINK_STATUS): New macro.
3006         (debug_dep_links): New debug function.
3008         (struct _deps_list): New type.
3009         (deps_list_t): New typedef.
3010         (DEPS_LIST_FIRST): New access macro.
3011         (FOR_EACH_DEP_LINK): New cycle macro.
3012         (create_deps_list, free_deps_list, delete_deps_list): Declare
3013         functions.
3014         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
3015         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
3016         (copy_deps_list_change_con): Ditto.
3018         (move_dep_link): Declare function.
3020         (struct _dep_node): New type.
3021         (dep_node_t): New typedef.
3022         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
3024         (struct haifa_insn_data.back_deps): New field to hold backward
3025         dependencies of the insn.
3026         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
3027         to deps_list_t.
3028         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
3029         Change its type to deps_list_t.
3030         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
3031         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
3032         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
3034         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
3036         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
3038         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
3039         all callers.
3040         (dep_cost): Declare.
3042         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
3043         (ds_to_dk, dk_to_ds): New functions.
3045         (init_dep_1): New static function.
3046         (init_dep): New function.
3047         (copy_dep): New static function.
3049         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
3050         functions.
3051         (detach_dep_link): New static function.
3052         (move_dep_link): New function.
3054         (dep_links_consistent_p, dump_dep_links): New static functions.
3055         (debug_dep_links): New debugging function.
3057         (deps_obstack, dl_obstack, dn_obstack): New static variables.
3059         (alloc_deps_list, init_deps_list): New static functions.
3060         (create_deps_list): New function.
3061         (clear_deps_list): New static function.
3062         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
3063         (deps_list_consistent_p, dump_deps_list): New static functions.
3064         (debug_deps_list): New function.
3065         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
3066         functions.
3067         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
3069         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
3070         use new scheduler dependencies lists.
3071         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
3072         (sched_analyze): Ditto.  Initialize dependencies lists.
3073         (add_forw_dep, compute_forward_dependences): Update to use new
3074         scheduler dependencies lists.
3076         (init_dependency_caches): Init deps_obstack.
3077         (free_dependency_caches): Free deps_obstack.
3079         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
3080         new scheduler dependencies lists.
3081         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
3082         (add_back_forw_dep, delete_back_forw_dep): Ditto.
3084         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
3085         Update to use new scheduler dependencies lists.
3086         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
3087         (debug_dependencies): Ditto.
3088         (schedule_region): Update comments.
3090         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
3091         scheduler dependencies lists.
3092         (schedule_ebb): Update comments.
3094         * rtl.def (DEPS_LIST): Remove.
3096         * lists.c (unused_deps_list): Remove.
3097         (free_list): Update assertions.
3099         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
3100         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3102         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
3103         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3105         * haifa-sched.c (comments): Update.
3106         (insn_cost1): Remove.  Inline the code into insn_cost ().
3107         (insn_cost): Update to use new scheduler dependencies lists.  Move
3108         processing of the dependency cost to dep_cost ().
3109         (dep_cost): New function.  Use it instead of insn_cost () when
3110         evaluating cost of the dependency.  Use compatible interface to
3111         interact with the target.
3112         (priority): Update to use new scheduler dependencies lists.
3113         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
3114         with greater number of insns that depend on the insn.
3115         (schedule_insn): Update to use new scheduler dependencies lists.  Add
3116         code to free backward dependencies lists.  Inline and optimize code
3117         from resolve_dep () - see PR28071.
3118         (ok_for_early_queue_removal): Update to use new scheduler dependencies
3119         lists.  Update call to targetm.sched.is_costly_dependence hook.
3121         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
3122         scheduler dependencies lists.
3124         (resolve_dep): Remove.  Move the logic to schedule_insn ().
3125         (init_h_i_d): Initialize dependencies lists.
3127         (process_insn_depend_be_in_spec): Rename to
3128         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
3129         dependencies lists.
3130         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
3131         Update to use new scheduler dependencies lists.
3132         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
3134         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
3135         new scheduler dependencies lists.
3136         (build_intra_loop_deps): Ditto.
3138         * target.h (struct _dep): Declare to use in
3139         gcc_target.sched.is_costly_dependence.
3140         (struct gcc_target.sched.adjust_cost): Fix typo.
3141         (struct gcc_target.sched.is_costly_dependence): Change signature to use
3142         single dep_t parameter instead of an equivalent triad.
3143         (struct gcc_target.sched.adjust_cost_2): Remove.
3145         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
3147         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
3149         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
3150         documentation.
3151         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
3153         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
3154         (REG_DEP_TRUE): Document.
3156         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
3157         Change signature to correspond to the targetm.sched.adjust_cost hook.
3158         Update use in TARGET_SCHED_ADJUST_COST_2.
3159         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
3160         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
3161         new scheduler dependencies lists.
3162         (ia64_gen_check): Ditto.
3164         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
3165         dependencies lists.
3167         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
3168         signature to correspond to the targetm.sched.is_costly_dependence hook.
3169         (is_costly_group): Update to use new scheduler dependencies lists.
3171         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
3172         instead of INSN_COST () macro.
3174 2007-02-01  Ian Lance Taylor  <iant@google.com>
3176         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
3178 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
3180         * pa.md (tp_load): Correct mfctl instruction syntax.
3182 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
3184         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
3185         altivec_padding_size calculation on AIX.  Improve comment, add
3186         assert to verify that it's right.
3188         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
3189         64-bit.
3191 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
3193         PR inline-asm/28686
3194         * global.c (global_alloc): Add mising initialization of
3195         ELIMINABLE_REGSET.
3197 2007-02-01  Roger Sayle  <roger@eyesopen.com>
3199         * alias.c (init_alias_analysis): Correct whitespace.
3200         * bb-reorder.c (fix_edges_for_rarely_executed_code,
3201         partition_hot_cold_basic_blocks): Likewise.
3202         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3203         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
3204         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3205         fold_builtin_snprintf_chk, fold_builtin_printf,
3206         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
3207         do_mpfr_arg3, do_mpfr_sincos): Likewise.
3208         * cfgcleanup.c (cleanup_cfg): Likewise.
3209         * cfgexpand.c (tree_expand_cfg): Likewise.
3210         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
3211         * function.c (get_next_funcdef_no): Likewise.
3212         * gengtype.c (main): Likewise.
3213         * genmodes.c (main): Likewise.
3214         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3215         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3216         * ifcvt.c (noce_emit_move_insn): Likewise.
3217         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
3218         Likewise.
3219         * stor-layout.c (get_best_mode): Likewise.
3220         * tree-ssa-loop-niter.c (get_val_for): Likewise.
3221         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3222         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3223         perform_var_substitution, solve_graph): Likewise.
3224         * tree-vrp.c (vrp_finalize): Likewise.
3226 2007-02-01  Ian Lance Taylor  <iant@google.com>
3228         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3229         high part of a paradoxical subreg, return a constant zero.
3231 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
3233         * toplev.c (lang_dependent_init): Call init_set_costs.
3234         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3236 2007-02-01  Richard Guenther  <rguenther@suse.de>
3238         PR middle-end/30656
3239         * fold-const.c (fold_negate_expr): Allow negating a
3240         constant if overflow does not change.
3242 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3244         * doc/c-tree.texi (Expression trees): Improve markup.
3245         * doc/tm.texi (Register Classes, Addressing Modes)
3246         (Floating Point): Fix spacing after abbreviations.  Fix some
3247         typos.
3249 2007-02-01  Ben Elliston  <bje@au.ibm.com>
3251         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3252         * doc/contrib.texi: Likewise.
3253         * doc/install.texi: Likewise.
3255 2007-01-31  Richard Henderson  <rth@redhat.com>
3256             Ian Lance Taylor  <iant@google.com>
3258         * lower-subreg.c: New file.
3259         * rtl.def (CONCATN): Define.
3260         * passes.c (init_optimization_passes): Add pass_lower_subreg and
3261         pass_lower_subreg2.
3262         * emit-rtl.c (update_reg_offset): New static function, broken out
3263         of gen_rtx_REG_offset.
3264         (gen_rtx_REG_offset): Call update_reg_offset.
3265         (gen_reg_rtx_offset): New function.
3266         * regclass.c: Revert patch of 2006-03-05, restoring
3267         reg_scan_update.
3268         (clear_reg_info_regno): New function.
3269         * dwarf2out.c (concatn_loc_descriptor): New static function.
3270         (loc_descriptor): Handle CONCATN.
3271         * common.opt (fsplit_wide_types): New option.
3272         * opts.c (decode_options): Set flag_split_wide_types when
3273         optimizing.
3274         * timevar.def (TV_LOWER_SUBREG): Define.
3275         * rtl.h (gen_reg_rtx_offset): Declare.
3276         (reg_scan_update): Declare.
3277         * regs.h (clear_reg_info_regno): Declare.
3278         * tree-pass.h (pass_lower_subreg): Declare.
3279         (pass_lower_subreg2): Declare.
3280         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3281         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
3282         -fsplit-wide-types.
3283         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3284         * Makefile.in (OBJS-common): Add lower-subreg.o.
3285         (lower-subreg.o): New target.
3287 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3289         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3291 2007-01-31  Anatoly Sokolov <aesok@post.ru>
3293         PR target/19087
3294         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3296 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3298         PR middle-end/29335
3299         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3301 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
3303         * cfgloop.h: Include vec-prim.h.
3304         (enum li_flags): Remove LI_ONLY_OLD.
3305         (loop_iterator): Changed.
3306         (fel_next, fel_init): Iterate over loop tree.
3307         (FOR_EACH_LOOP_BREAK): New macro.
3308         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3309         FOR_EACH_LOOP.
3310         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3311         * modulo-sched.c (sms_schedule): Ditto.
3312         * tree-vectorizer.c (vectorize_loops): Ditto.
3313         * doc/loop.texi: Update information on loop numbering and behavior of
3314         FOR_EACH_LOOP wrto new loops.
3315         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3316         add_to_evolution_1): Test nestedness of loops instead of comparing
3317         their numbers.
3318         * tree-chrec.c (chrec_fold_plus_poly_poly,
3319         chrec_fold_multiply_poly_poly, chrec_evaluate,
3320         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3321         reset_evolution_in_loop): Ditto.
3322         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3324 2007-01-31  Dirk Mueller  <dmueller@suse.de>
3326         * c-common.c (warn_about_parentheses): Separate warning about
3327         un-parenthized sequence of comparison operators from the one
3328         which is supposed to warn about x <= y <= z.
3330 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
3332         * optabs.h (enum optab_index): Add new OTI_isinf.
3333         (isinf_optab): Define corresponding macro.
3334         * optabs.c (init_optabs): Initialize isinf_optab.
3335         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3336         patterns.
3337         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3338         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3339         using isinf_optab.
3340         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3341         expand_builtin_interclass_mathfn.
3342         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3343         * config/i386/i386.md (UNSPEC_FXAM): New constant.
3344         (fxam<mode>2_i387): New insn pattern.
3345         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3346         built-in functions as x87 inline asm.
3348 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3350         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3352 2007-01-30  Eric Christopher  <echristo@apple.com>
3354         * config.gcc: Add geode.
3356 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3358         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3359         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3360         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3361         value-prof.c: Fix comment typos.
3363 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3365         PR c++/24745
3366         * doc/invoke.texi (Wpointer-arith): Document warning.
3368 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
3370         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3371         the list of discrepancies from the draft TR.
3373 2007-01-30  Dirk Mueller  <dmueller@suse.de>
3375         PR c++/30601
3376         * doc/invoke.texi (-Wreturn-type): Update description to
3377         match new behavior.
3379 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
3381         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3383 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
3385         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3386         to handle optabs that operate on floating point input argument and
3387         output to integer output.
3388         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3389         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3390         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3391         expand_builtin_interclass_mathfn ().
3392         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3393         (ilogbsi2): Remove.
3394         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3395         ilogbl built-in functions as x87 intrinsics.
3397 2007-01-30  Richard Guenther  <rguenther@suse.de>
3399         PR middle-end/27657
3400         * dwarf2out.c (reference_to_unused): Query varpool if the
3401         variable was output.
3403 2007-01-30  Richard Guenther  <rguenther@suse.de>
3405         PR middle-end/30313
3406         * passes.c (execute_one_pass): Reset in_gimple_form to not
3407         confuse non-unit-at-a-time mode.
3409 2007-01-29  Roger Sayle  <roger@eyesopen.com>
3410             Richard Guenther  <rguenther@suse.de>
3412         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3413         avoid undefined behaviour on overflow.  Use force_fit_type_double
3414         to construct the constant with the specified TREE_OVERFLOW.
3416 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3418         * config/dfp-bit.c: Add parameterized support for fp exceptions.
3419         * config/dfp-bit.h: Ditto.
3421 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3423         * c-decl.c (pop_scope): Replace warnings with call to
3424         warn_for_unused_label.
3425         * c-common.h (warn_for_unused_label): Declare.
3426         * c-common.c (warn_for_unused_label): Define.
3428 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3430         * tree-optimize.c (update_inlined_to_pointers): Delete unused
3431         function.
3433 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3435         * Makefile.in (USER_H): Remove decfloat.h.
3436         * ginclude/decfloat.h: Delete, moving contents to ...
3437         * ginclude/float.h: Add support for decimal floating point,
3438         guarded by __STDC_WANT_DEC_FP__.
3440 2007-01-29  Mike Stump  <mrs@apple.com>
3442         * doc/gccint.texi (Top): Rename Loop Representation to Loop
3443         Analysis and Representation to resolve case insensitive conflict.
3444         * doc/loop.texi (Loop Analysis and Representation): Likewise.
3446 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
3448         * tree.h (struct tree_memory_tag): Add aliases member.
3449         (MTAG_ALIASES): New macro.
3450         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3451         (add_may_alias): Remove pointer-set. Update for may_aliases being
3452         a bitmap.
3453         (mark_aliases_call_clobbered): Update for may_aliases being a
3454         bitmap.
3455         (compute_tag_properties): Ditto.
3456         (create_partition_for): Ditto.
3457         (compute_memory_partitions): Ditto.
3458         (dump_may_aliases_for): Ditto.
3459         (is_aliased_with): Ditto.
3460         (add_may_alias_for_new_tag): Ditto.
3461         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3462         (compute_is_aliased): New function.
3463         (compute_may_aliases): Call compute_is_aliased).
3464         (init_alias_info): Initialize alias_bitmap_obstack.
3465         (union_alias_set_into): New function.
3466         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3467         (have_common_aliases_p): Rewrite to take two bitmaps and use
3468         intersection.
3469         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3470         Update for bitmaps.
3471         (finalize_ref_all_pointers): Update for add_may_alias changes.
3472         (new_type_alias): Ditto.
3473         * tree-flow-inline.h (may_aliases): Return a bitmap.
3474         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3475         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3476         may_aliases being a bitmap.
3477         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3478         may_aliases now returns a bitmap.
3479         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3480         being a bitmap.
3481         * tree-ssa-operands.c (add_virtual_operand): Update for
3482         may_aliases being a bitmap.
3484 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3486         PR tree-optimization/30630
3487         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3488         variable as changed.
3490 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3492         PR c++/28266
3493         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3494         expanded only once even if an error occurs.
3496 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3498         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3499         (__gcov_average_profiler): Likewise.
3500         (__gcov_ior_profiler): Likewise.
3501         (__gcov_merge_ior): Likewise.
3503 2007-01-28  Jan Hubicka  <jh@suse.cz>
3505         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3506         * value-prof.c (stringop_block_profile): Likewise.
3508 2007-01-28  Jan Hubicka  <jh@suse.cz>
3510         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3511         variant handling histograms; add wrapper.
3512         (clear_storage_via_libcall): Export.
3513         (emit_block_move_hints): Break out from ...; add histograms.
3514         (emit_block_move): ... this one.
3515         (clear_storage_hints): Break out from ...; add histograms.
3516         (clear_storage): ... this one.
3517         (set_storage_via_memset): Handle histogram.
3518         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3519         (clear_storage_hints, clear_storage_via_libcall): Declare.
3520         (set_storage_via_setmem): Update prototype.
3521         * doc/md.texi (movmem, setmem): Document new arguments.
3523         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3524         new histograms.
3525         (stringop_block_profile): New global function.
3526         (tree_stringops_values_to_profile): Profile block size and alignment.
3527         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3528         HIST_TYPE_IOR.
3529         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3530         (stringop_block_profile): Declare.
3531         * builtins.c: Include value-prof.h.
3532         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3533         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3534         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3535         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3536         * profile.c (instrument_values): Add new counters.
3537         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3538         calls.
3539         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3540         (tree_init_edge_profiler): Build new profilers.
3541         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3542         (pass_tree_profile): Add dump.
3543         (tree_profile_hooks): Update.
3544         * Makefile.in (LIBGCOV): Add new constants.
3545         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3546         __gcov_ior_profiler): New.
3547         * i386.md (movmem/setmem expanders): Add new optional arguments.
3549 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3551         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3553 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3555         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3556         (tree_unswitch_single_loop): Pass eni_size_weights to
3557         tree_num_loop_insns.
3558         * tree-ssa-loop-manip.c: Include tree-inline.h.
3559         (can_unroll_loop_p): Pass eni_size_weights to
3560         tree_num_loop_insns.
3561         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3562         Pass eni_size_weights to estimate_num_insns.
3563         * tree.h (init_inline_once): Export.
3564         * toplev.c (backend_init): Call init_inline_once.
3565         * cgraphunit.c (cgraph_process_new_functions,
3566         cgraph_analyze_function): Pass eni_inlining_weights to
3567         estimate_num_insns.
3568         * ipa-inline.c (compute_inline_parameters): Ditto.
3569         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3570         to estimate_num_insns.
3571         (try_unroll_loop_completely): Pass eni_size_weights to
3572         tree_num_loop_insns.
3573         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3574         ot estimate_num_insns.
3575         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3576         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3577         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3578         eni_time_weights): New variables.
3579         (init_inline_once): Initialize them.
3580         (struct eni_data): Mew.
3581         (estimate_num_insns_1, estimate_num_insns): Use weights.
3582         * tree-inline.h (struct eni_weights_d): New.
3583         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3584         (estimate_num_insns): Declaration changed.
3585         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3586         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3587         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3589 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3591         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3592         relations in the conflict function is valid.
3594 2007-01-27  Ian Lance Taylor  <iant@google.com>
3596         * common.opt: Add fstrict-overflow.
3597         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3598         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3599         (TYPE_OVERFLOW_UNDEFINED): Define.
3600         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3601         Replace all uses.
3602         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3603         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3604         (fold_negate_expr): Likewise.
3605         (make_range): Likewise.
3606         (extract_muldiv_1): Likewise.
3607         (maybe_canonicalize_comparison): Likewise.
3608         (fold_comparison): Likewise.
3609         (fold_binary): Likewise.
3610         (tree_expr_nonnegative_p): Likewise.
3611         (tree_expr_nonzero_p): Likewise.
3612         * tree-vrp.c (compare_values): Likewise.
3613         (extract_range_from_binary_expr): Likewise.
3614         (extract_range_from_unary_expr): Likewise.
3615         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3616         Likewise.
3617         (nowrap_type_p): Likewise.
3618         * tree-scalar-evolution.c (simple_iv): Likewise.
3619         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3620         (build_range_check): Likewise.
3621         (extract_muldiv_1): Likewise.
3622         (fold_comparison): Likewise.
3623         * tree-vrp.c (vrp_int_const_binop): Likewise.
3624         (extract_range_from_unary_expr): Likewise.
3625         * convert.c (convert_to_integer): Likewise.
3626         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3627         (fold_comparison): Likewise.
3628         (fold_binary): Likewise.
3629         * optabs.c (optab_for_tree_code): Likewise.
3630         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3631         * simplify-rtx.c (simplify_const_relational_operation): Check
3632         flag_strict_overflow and flag_trapv.
3633         (simplify_const_relational_operation): Likewise.
3634         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3635         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
3636         -fstrict-overflow.
3638 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3640         * tree.c (tree_fold_gcd): Delete.
3641         * tree.h (tree_fold_gcd): Remove prototype.
3642         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3643         test whether one constant integer is a multiple of another.  Instead
3644         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3645         * fold-const.c (multiple_of_p):  We've determined both TOP and
3646         BOTTOM are integer constants so we can call int_const_binop directly
3647         instead of the more generic const_binop.
3649 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3651         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3652         1*X check that the constant hasn't overflowed, to preserve the
3653         TREE_OVERFLOW bit.
3654         (round_up): Provide an efficient implementation when rouding-up an
3655         INTEGER_CST to a power-of-two.
3657 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3659         * doc/sourcebuild.texi: Add comma for clarity.
3660         * doc/extend.texi: Fix some typos.
3661         * doc/passes.texi: Likewise.
3662         * doc/cppinternals.texi: Likewise.
3663         * doc/c-tree.texi: Likewise.
3664         * doc/tree-ssa.texi: Likewise.
3665         * doc/install.texi: Likewise.
3667 2007-01-27  Jan Hubicka  <jh@suse.cz>
3669         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3670         (pass_sra): Do not require alias information.
3671         * passes.c (init_optimization_passes): Add SRA
3673 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3675         * tracer.c (rest_of_handle_tracer): We already cleaned
3676         up the CFG in tracer() so don't do it here again.
3677         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3678         cleanup_cfg here, either.  And don't call renumber_insns.
3680         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3681         and BB_HEAD are in the insn stream here.  Instead make sure
3682         that BB_INSN is valid on all insns.  Also, do check here that
3683         there are no pending branch predictions...
3684         (rtl_verify_flow_info): ...instead of doing it here.  Checks
3685         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3686         here.
3688 2007-01-26  Roger Sayle  <roger@eyesopen.com>
3690         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3691         function to simplify/factorize operand order canonicalization.
3692         (ix86_fixup_binary_operands): Reorganize using the above function.
3693         (ix86_binary_operator_ok): Likewise.
3695 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3697         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3698         file scope from optimize_attrs.
3699         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3700         up search.
3701         (optimize_attrs): Clear insn_code_values after freeing it.
3703 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3705         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3706         a parts.base assignment.
3708 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3710         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3711         (compute_subscript_distance, initialize_data_dependence_relation,
3712         finalize_ddr_dependent, analyze_ziv_subscript,
3713         analyze_siv_subscript_cst_affine,
3714         compute_overlap_steps_for_affine_univar,
3715         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3716         analyze_siv_subscript, analyze_miv_subscript,
3717         analyze_overlapping_iterations, subscript_dependence_tester_1,
3718         compute_self_dependence, free_dependence_relation): Work
3719         with affine_fn instead of chrecs.
3720         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3721         common_affine_function, affine_function_base,
3722         affine_function_constant_p, affine_fn_op, affine_fn_plus,
3723         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3724         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3725         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3726         (all_chrecs_equal_p): Removed.
3727         * tree-data-ref.h (affine_fn, conflict_function): New types.
3728         (struct subscript): Change type of conflicting_iterations_in_a
3729         and conflicting_iterations_in_b.
3731 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
3733         PR other/30182
3734         * config/pa/pa.h (TARGET_HPUX_11): New.
3735         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3736         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3738 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
3739         Richard Guenther  <rguenther@suse.de>
3741         * tree-ssa-structalias.c (solve_graph): Handle case
3742         we merged the variable to another.
3744 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3746         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3747         functions.
3749         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3750         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3752 2007-01-25  DJ Delorie  <dj@redhat.com>
3754         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3755         allow changes to modes which don't fit in those registers.
3757         * reload1.c (choose_reload_regs): Check for invalid subregs before
3758         computing their locations, not after.
3760 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
3762         PR 25127
3763         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3764         save Altivec registers in an eh_return function.
3765         (compute_vrsave_mask): Likewise.
3766         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3767         for saving Altivec registers.
3768         (rs6000_emit_prologue): Don't allocate stack twice in
3769         eh_return function.  Correct expected value of altivec_save_offset
3770         when using save_world.  Describe save of R0 to stack when using
3771         save_world.  Describe stack pointer adjustment when using
3772         save_world.  Remove duplicated eh_return parameter register saving.
3773         Update sp_offset variable after save_world.
3774         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3775         darwin-world.asm.
3776         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3777         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3778         implies Altivec.
3780 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3782         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3784 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3786         PR other/30182
3787         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3788         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
3790 2007-01-25  Richard Guenther  <rguenther@suse.de>
3792         * doc/invoke.texi (-Wcoverage-mismatch): Document.
3793         * common.opt (-Wcoverage-mismatch): New warning option.
3794         * coverage.c (get_coverage_counts): Ignore coverage mismatch
3795         if -Wcoverage-mismatch is given.
3797 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
3799         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3800         (ipcp_driver): Change to static definition.
3801         Add dumping of the ifunctions.
3802         (constant_val_insert): Remove unused parameter. Support for SSA.
3803         (ipcp_propagate_const): Support for SSA.
3804         (ipcp_profile_bb_print): Print only analyzed nodes.
3805         (ipcp_replace_map_create): Remove support for Fortran constant
3806         for now.
3807         * ipa-prop.c (ipa_method_modify_stmt,
3808         ipa_callsite_compute_param): Support for SSA.
3809         * ipa-prop.h (ipcp_driver): Remove declaration.
3810         (IS_VALID_TREE_MAP_INDEX): Add define.
3812 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
3814         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3816 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3818         PR middle-end/30447
3819         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3820         constant argument to cabs and do it without checking for
3821         -funsafe-math-optimizations.
3823 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
3825         * c-common.h (RID_FIRST_CXX0X): New.
3826         (RID_LAST_CXX0X): New.
3827         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3828         by -Wall.
3829         * c.opt (Wc++0x-compat): New.
3830         * doc/invoke.texi (-Wc++0x-compat): Document.
3832 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3834         * builtins.c (fold_builtin_carg): New.
3835         (fold_builtin_1): Use it.
3837 2007-01-24  Jan Hubicka  <jh@suse.cz>
3839         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3841         * ipa-inline.c (initial_insns, max_insns): Delete.
3842         (compute_max_insns): New function.
3843         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3844         of insns as base for code growth.
3845         (cgraph_decide_inlining): Make initial_insns local; do not compute
3846         max_insns.
3847         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3848         * doc/invoke.texi (inline-unit-growth): Update docs.
3850 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
3852         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3853         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3854         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3855         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
3856         for CPUs that have PTA_CX16 set.
3858         PR middle-end/27416
3859         * gimplify.c (omp_check_private): New function.
3860         (gimplify_scan_omp_clauses): Use it for
3861         firstprivate/lastprivate/reduction.
3863         PR middle-end/30494
3864         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3865         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3867         PR middle-end/30421
3868         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3869         If lower_lastprivate_clauses emits some statements, append them
3870         to dlist rather than body_p and to body_p append an initializer.
3871         (lower_omp_for): Adjust caller.
3873 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
3875         * target.h (globalize_decl_name): New.
3876         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3877         * output.h (default_globalize_decl_name): New.
3878         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
3879         globalize_label.
3880         (globalize_decl): Ditto.
3881         (default_globalize_decl_name): New.
3882         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
3883         (ia64_handle_version_id_attribute): New.
3884         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3885         (ia64_asm_output_external): Use globalize_decl_name instead
3886         of globalize_label.
3887         * doc/extend.texi (version_id): New pragma.
3888         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
3890 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3892         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
3893         _uleb128_t and _Unwind_SWord with _sleb128_t.
3894         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
3895         uw_frame_state_for, uw_update_context_1): Likewise.
3896         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
3897         * unwind-pe.h (read_uleb128, read_sleb128,
3898         read_encoded_value_with_base): Likewise.
3899         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
3901 2007-01-24  Richard Guenther  <rguenther@suse.de>
3903         * builtins.c (expand_builtin_cexpi): Get the fndecl
3904         for cexp in the correct way.
3906 2007-01-24  Jan Hubicka  <jh@suse.cz>
3908         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
3910 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3912         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
3913         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
3914         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
3915         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
3916         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
3917         __SIZEOF_PTRDIFF_T__.
3918         * doc/cpp.texi: Documentation for the new builtin macros added.
3920 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
3922         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
3923         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
3924         instead of operands[2] to avoid access past the end of array.
3926 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
3928         * reload1.c (emit_reload_insns): Pass the reload register
3929         for a non-spill output reload through forget_old_reloads_1.
3931 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
3933         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3934         _SOFT_DOUBLE if doubles use software floating-point.
3935         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
3936         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3937         * config/rs6000/darwin-ldouble.c: Also compile functions for
3938         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
3939         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3940         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
3941         commented-out long double override.
3942         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
3943         * config/rs6000/eabispe.h: Likewise.
3944         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
3945         long double for non-SPE.
3946         (rs6000_handle_option): Likewise.
3947         (invalid_e500_subreg): Disallow more subregs involding DImode,
3948         DFmode, TImode or TFmode.
3949         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
3950         E500 double.
3951         (legitimate_lo_sum_address_p): Also check for TFmode for E500
3952         double.
3953         (rs6000_legitimize_address): Also handle TFmode for E500 double.
3954         (rs6000_legitimize_reload_address): Also handle TFmode for E500
3955         double.
3956         (rs6000_legitimate_address): Also check for TFmode for E500
3957         double.
3958         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
3959         (spe_build_register_parallel): Handle TFmode and TCmode.
3960         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
3961         double.
3962         (function_arg): Handle TFmode and TCmode for E500 double.
3963         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
3964         in general.
3965         (print_operand): Handle TFmode and TImode for %y.
3966         (rs6000_generate_compare): Handle TFmode comparisons for E500
3967         double.
3968         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
3969         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
3970         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
3971         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
3972         TFmode for E500 double.
3973         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
3974         (floatsidf2): Enable for E500 double.
3975         (movtf_softfloat): Use rs6000_nonimmediate_operand.
3976         (extenddftf2): Change to extenddftf2_fprs.
3977         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
3978         depending on TARGET_E500_DOUBLE.
3979         (extendsftf2): Enable for E500 double.
3980         (trunctfdf2): Enable for E500 double.
3981         (trunctfsf2): Change to trunctfsf2_fprs.
3982         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
3983         depending on TARGET_E500_DOUBLE.
3984         (floatsitf2): Enable for E500 double.
3985         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
3986         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
3987         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
3988         (negtf2): Change to negtf2_internal.
3989         (negtf2): New expander.
3990         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
3991         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
3992         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
3993         (movdi_internal32): Use rs6000_nonimmediate_operand.
3994         (unnamed splitter): Likewise.
3995         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
3996         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
3997         (SPE64TF, DITI): New mode macros.
3998         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
3999         modes.
4000         (frob_tf_ti): New.
4001         (frob_<mode>_di_2): New.
4002         (frob_tf_di_8_2): New.
4003         (frob_di_df): Change to frob_di_<mode>; allow more modes.
4004         (frob_ti_tf): New.
4005         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
4006         more modes.
4007         (frob_ti_<mode>_8_2): New.
4008         (frob_ti_tf_2): New.
4009         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
4010         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
4011         TFmode.
4012         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
4013         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
4014         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
4015         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
4016         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
4017         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
4018         tsttflt_gp): New.
4020 2007-01-23  Ian Lance Taylor  <iant@google.com>
4022         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
4023         insn-*.o first.
4024         (OBJS-archive): Reformat, alphabetize.
4025         (OBJS): Change out_object_file to OBJS-md.
4027 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
4029         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
4030         JUMP_P and CALL_P predicates where applicable.
4031         * config/i386/i386.c: Ditto.
4032         * config/i386/i386.md: Ditto.
4033         * config/i386/mmx.md: Ditto.
4034         * config/i386/predicates.md: Ditto.
4036 2007-01-22  Andreas Schwab  <schwab@suse.de>
4038         * config/m68k/m68k.h: Fix comment.
4040 2007-01-22  Jan Hubicka  <jh@suse.cz>
4042         * passes.c (init_optimization_passes): Do not rerun
4043         pass_early_warn_uninitialized.
4045 2007-01-22  Richard Guenther  <rguenther@suse.de>
4047         PR tree-optimization/30038
4048         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
4049         function.
4050         (execute_cse_sincos_1): Likewise.
4051         (execute_cse_sincos): Likewise.
4052         (gate_cse_sincos): Likewise.
4053         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
4054         the cexpi() canonicalization of sincos().
4055         * tree-pass.h (pass_cse_sincos): Declare.
4056         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
4058 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4060         PR rtl-optimization/29329
4061         * combine.c (replaced_rhs_insn): Rename to i2mod.
4062         (replaced_rhs_value): Rename to i2mod_new_rhs.
4063         (i2mod_old_rhs): New global variable.
4064         (combine_instructions): Adjust for above change.  Save a copy of
4065         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
4066         note are substituted in the second instruction.
4067         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
4068         ditch the note if it pertains to the second eliminated register
4069         and this register is mentioned in i2mod_old_rhs.
4071         Revert:
4072         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4074         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4075         the insn to which the note was originally attached.
4077 2007-01-21  Jan Hubicka  <jh@suse.cz>
4079         * ipa-inline.c (inlining_mode): Comment, move up.
4080         (cgraph_decide_inlining_incrementally): Do not perform inlining
4081         itself; fix handling of flattening of self recursive functions.
4082         (cgraph_find_cycles): Remove.
4083         (cgraph_flatten_node): Remove.
4084         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
4085         (try_inline): New function.
4086         (cgraph_early_inlining): Update call of
4087         cgraph_decide_inlining_incrementally.  Apply inlining here.
4088         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
4090 2007-01-21  Dirk Mueller  <dmueller@suse.de>
4092         PR bootstrap/30511
4093         * tree-vrp.c (check_array_bounds): do not warn
4094         about ADDR_EXPR's of ARRAY_REF's which are immediately
4095         used in binary expressions.
4097 2007-01-21  Ira Rosen  <irar@il.ibm.com>
4099         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
4100         read_write_dep and macros for its access.
4101         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
4102         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
4103         argument, call vect_check_interleaving for every independent pair of
4104         data-refs. Mark loads that access the same memory location as a store
4105         in the loop.
4106         (vect_check_dependences): Remove.
4107         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
4108         call, fix the call to vect_analyze_data_ref_dependence.
4109         (vect_analyze_data_ref_access): For statements that access the same
4110         data-ref, check that they are not stores; for loads, check that there
4111         is no store that access the same location.
4113 2007-01-20  Roger Sayle  <roger@eyesopen.com>
4114             Joseph Myers  <joseph@codesourcery.com>
4116         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
4117         (-fdump-rtl-stack): Likewise.
4118         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
4119         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
4120         (-mpt-fixed): Use @minus{} for minus sign.
4121         (Using Precompiled Headers): Fix under/overfull hbox.
4123 2007-01-20  Jan Hubicka  <jh@suse.cz>
4125         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
4126         place within annotation.
4128 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4130         * pa.c (output_move_double): Change array size of xoperands to 4.
4132 2007-01-20  Jan Hubicka  <jh@suse.cz>
4134         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
4135         as temporary.
4137 2007-01-19  Ian Lance Taylor  <iant@google.com>
4139         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
4140         constant to unsigned HOST_WIDE_INT before negating.
4142 2007-01-19  Ian Lance Taylor  <iant@google.com>
4144         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
4145         to unsigned.
4146         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
4147         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4148         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
4149         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
4150         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4151         (realloc_vdef, realloc_vuse): Change second parameter to
4152         unsigned.
4153         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
4154         fields to unsigned.
4155         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
4156         unsigned. Change x and lim locals to unsigned.
4157         (realloc_vdef, realloc_vuse): Change num_elem parameter to
4158         unsigned.
4159         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
4160         (copy_virtual_operands): Change i and n locals to unsigned.
4162 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4164         PR middle-end/29335
4165         * builtins.c (fold_builtin_1): Handle builtin fdim.
4167 2007-01-20  Jan Hubicka  <jh@suse.cz>
4169         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
4170         * tree-ssa-structalias.c (compute_points_to_sets): Do call
4171         init_alias_heapvars.
4172         (init_alias_heapvars): Initialize only when not already initialized.
4173         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
4175 2007-01-19  Roger Sayle  <roger@eyesopen.com>
4177         * common.opt (fsigned-zeros): New command line option.
4178         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
4179         of flag_unsafe_math_optimizations.
4180         * opts.c (set_fast_math_flags): The -ffast-math command line option
4181         implies -fno-signed-zeros.
4182         (fast_math_flags_set_p): Likewise.
4184         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
4185         the documentation of -ffast-math appropriately.  Wrap long lines.
4187 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
4189         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
4190         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
4192 2007-01-19  Tomas Bily  <tbily@suse.cz>
4194         * cgraphunit.c (cgraph_finalize_function): Updating of pid
4195         * tree-profile.c:
4196         (tree_init_ic_make_global_vars): New function
4197         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
4198         (tree_gen_ic_profiler): New function
4199         (tree_gen_ic_func_profiler): New function
4200         (tree_profiling): Added calling of tree_gen_ic_func_profiler
4201         (tree_profile_hooks): Added hook for indirec/virtual calls
4202         * value-prof.c (tree_find_values_to_profile): New case for
4203         indirect calls
4204         (tree_values_to_profile): Call for determining indirect/virtual
4205         counters
4206         (tree_indirect_call_to_profile): New function
4207         (tree_ic_transform): New function
4208         (tree_ic): New function
4209         (find_func_by_pid): New function
4210         (init_pid_map): New function
4211         (tree_value_profile_transformations): Added check for
4212         indirect/virtual call transformation
4213         * value-prof.h (enum hist_type): New counter type for
4214         indirect/virtual calls
4215         (profile_hooks): Added new hook for profiling indirect/virtual
4216         calls
4217         * profile.c (instrument_values): New case for indirect/virtual
4218         call added
4219         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
4220         (GCOV_COUNTER_V_INDIR): New counter type
4221         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
4222         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
4223         call added
4224         * cgraph.c: Definition of cgraph_max_pid
4225         (cgraph_create_node): Default init of pid attribute
4226         * cgraph.h: Declaration of cgraph_max_pid
4227         (struct cgraph_node): Added pid attribute
4228         * libgcov.c (__gcov_indirect_call_profiler): New function
4229         (__gcov_one_value_profiler_body): New function
4230         (__gcov_one_value_profiler): Body was moved to
4231         __gcov_one_value_profiler_body and calls it
4233 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
4235         * doc/gty.texi (Options): Document the mark_hook option to GTY.
4236         * gengtype.c (write_types_data, write_func_for_structure,
4237         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
4238         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
4239         (walk_type, write_func_for_structure): Generate the mark_hook if
4240         needed.
4242 2007-01-19  Jan Hubicka  <jh@suse.cz>
4244         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
4245         'early' argument take inlining mode argument specifying whether to
4246         inline for size/speeed or all functions; add support for flattening;
4247         improve dumpting.
4248         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
4250 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4252         PR c++/17947
4253         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
4254         the name of the declared identifier.
4256 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4258         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
4259         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
4260         duplicate evaluation.
4262 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4264         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
4265         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
4266         to XFMode, use acosxf2 and truncate result to requested mode.
4267         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4268         (asin<mode>2): Similarly, with asin expanders.
4269         (*fscalexf4_i387): Rename from *fscalexf4.
4270         (expNcorexf3): New expander.
4271         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
4272         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
4273         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
4274         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
4275         patterns for SSE math.
4276         (exp10<mode>2): Similarly, with exp10 expanders.
4277         (exp2<mode>2): Similarly, with exp2 expanders.
4278         (expm1<mode>2): Similarly, with expm1 expanders.
4279         (ldexp<mode>3): Similarly, with ldexp expanders.
4280         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
4281         Use gen_truncxf<mode>2_i387_noop to truncate result.
4283 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4285         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
4286         for ColdFire targets.
4288 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
4289             Richard Sandiford  <richard@codesourcery.com>
4291         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
4292         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
4293         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
4294         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
4295         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4296         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4298 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4300         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
4301         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
4302         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
4303         (*adddi_dilshr32_cf): New pattern.
4304         (adddi3, subdi3): Remove first alternatives.
4306 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4308         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
4309         implemented using move.l, do not use its cc result for floating-point
4310         comparisons.
4312 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4314         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
4315         from accepting 's' constraints if flag_pic.
4317 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4319         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
4320         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
4321         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
4322         condition from TARGET_68881 to TARGET_HARD_FLOAT.
4324 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
4326         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
4327         ColdFire alternatives.
4328         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
4329         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
4330         architectures that support ff1 instruction.
4332 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4333             Julian Brown  <julian@codesourcery.com>
4335         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
4336         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
4337         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
4338         Add commentary.
4340 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4342         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
4343         and return a bool.
4344         (output_move_const_into_data_reg, output_move_simode_const): Delete.
4345         * config/m68k/m68k.c (const_method, const_int_cost): Take a
4346         HOST_WIDE_INT instead of an rtx.
4347         (m68k_rtx_costs): Update call accordingly.
4348         (output_move_const_into_data_reg): Likewise.  Fix formatting.
4349         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
4350         Return a bool.
4351         (output_move_simode_const): Update calls after above changes.
4352         Rework to use automatic variables and predicates like MEM_P.
4353         * config/m68k/m68k.md (pushexthisi_const): Update call to
4354         valid_mov3q_const.
4356 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4358         * tree-ssa-alias.c (perform_var_substitution): Fix typo
4359         in dump_flags test.
4361 2007-01-19  Richard Guenther  <rguenther@suse.de>
4363         * builtins.c (expand_builtin_cexpi): Fall back to expanding
4364         via cexp in case sincos is not available.
4366 2007-01-19  Richard Guenther  <rguenther@suse.de>
4368         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
4369         * defaults.h (TARGET_HAS_SINCOS): Default to off.
4370         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
4371         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
4372         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
4373         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
4374         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
4375         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
4377 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4379         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
4380         New insn patterns.
4381         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
4382         (atan2xf3): Directly generate RTL pattern.
4383         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
4384         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4385         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4386         disable patterns for SSE math.
4387         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
4388         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4389         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4390         disable patterns for SSE math.
4392 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
4394         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
4396 2007-01-18  Roger Sayle  <roger@eyesopen.com>
4398         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
4399         VIEW_CONVERT_EXPR to the same type as it's operand.
4401 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
4403         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
4404         configured for long double 128.
4406 2007-01-18  Mike Stump  <mrs@apple.com>
4408         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
4409         error.
4411 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
4413         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
4414         type correct.
4416 2007-01-18  Jan Hubicka  <jh@suse.cz>
4418         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
4419         greater than NUM_VOP_FREE_BUCKETS.
4421 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
4423         * tree-ssa-structalias.c: Update comments.
4424         (ptabitmap_obstack): Removed.
4425         (pta_obstack): New.
4426         (oldpta_obstack): Ditto.
4427         (stats): Add a few members.
4428         (struct variable_info): Remove node, complex, address_taken, and
4429         indirect_target members. Add oldsolution member.
4430         (new_var_info): Do not initialize removed members.
4431         (constraint_expr_type): Remove INCLUDES.
4432         (constraint_graph): Add size, implicit_preds, rep,
4433         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
4434         (FIRST_REF_NODE): New macro.
4435         (LAST_REF_NODE): Ditto.
4436         (FIRST_ADDR_NODE): Ditto.
4437         (find): New function.
4438         (unite): Ditto.
4439         (dump_constraint): Do not handle INCLUDES.
4440         (insert_into_complex): Do not insert duplicate constraints.
4441         (condense_varmap_nodes): Renamed and rewritten into ...
4442         (merge_node_constraints): This. Also fix bug in handling of
4443         offseted copy constraints.
4444         (clear_edges_for_node): No longer need to deal with preds at all,
4445         or removing associated preds/succs.
4446         (merge_graph_nodes): Deal with indirect_cycles.
4447         Don't deal with predecessors.
4448         (add_implicit_graph_edge): New function.
4449         (add_pred_graph_edge): Ditto.
4450         (add_graph_edge): Don't deal with predecessors.
4451         (build_constraint_graph): Removed.
4452         (build_pred_graph): New function.
4453         (build_succ_graph): Ditto.
4454         (struct scc_info): Removed in_component. Added roots, dfs, and
4455         node_mapping. Remove visited_index, unification_queue.
4456         (scc_visit): Deal with union-find we do now.
4457         Deal with cycles with REF nodes.
4458         (collapse_nodes): Renamed and rewritten to ...
4459         (unify_nodes): This.
4460         (process_unification_queue): Removed.
4461         (topo_visit): Cleanup
4462         (do_da_constraint): Use find.
4463         (do_sd_constraint): Ditto.
4464         (do_ds_constraint): Ditto.
4465         (do_complex_constraint): Ditto.
4466         (init_scc_info): Update for removed and added members.
4467         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
4468         (find_indirect_cycles): This.
4469         (equivalence_class): New variable.
4470         (label_visit): New function.
4471         (perform_variable_substitution): Rewritten.
4472         (free_var_substitution_info): New function.
4473         (find_equivalent_node): Ditto.
4474         (move_complex_constraints): Ditto.
4475         (eliminate_indirect_cycles): Ditto.
4476         (solve_graph): Only propagate changed bits.
4477         Use indirect cycle elimination.
4478         Use find.
4479         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
4480         (tree_id_eq): Renamed to ...
4481         (tree_vi_eq): This. Update for member change
4482         (insert_id_for_tree): Renamed and rewritten to ...
4483         (insert_vi_for_tree): This.
4484         (lookup_id_for_tree): Renamed and rewritten to ...
4485         (lookup_vi_for_tree): This.
4486         (get_id_for_tree): Renamed and rewritten to ...
4487         (get_vi_for_tree): Ditto.
4488         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
4489         (process_constraint): Don't handle INCLUDES.
4490         Remove special ADDRESSOF case.
4491         (find_func_aliases): Rewrite to use vi functions instead of id
4492         ones.
4493         (create_function_info_for): Ditto.
4494         (create_variable_info_for): Ditto.
4495         (intra_create_variable_infos): Ditto.
4496         (merge_smts_into): Ditto.
4497         (find_what_p_points_to): Ditto.
4498         (init_base_vars): Ditto.
4499         (init_alias_vars): Ditto.
4500         (remove_preds_and_fake_succs): New function.
4501         (dump_sa_points_to_info): Dump new stats.
4502         (dump_solution_for_var): Use find.
4503         (set_used_smts): Fix formatting.
4504         (compute_points_to_sets): Updated for new functions.
4505         (ipa_pta_execute): Ditto.
4507 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4508             Richard Sandiford  <richard@codesourcery.com>
4510         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
4511         parallels.
4512         * calls.c (expand_call): If the return value is a PARALLEL,
4513         extract its first member.
4514         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
4515         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4516         use FUNCTION_EXTRA_EPILOGUE.
4517         (m68k_function_value): Return a PARALLEL if the return value
4518         is of a pointer type.
4519         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
4520         (FUNCTION_EXTRA_EPILOGUE): Remove.
4521         * config/m68k/m68k.md (D0_REG): New constant.
4523 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4525         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4526         output a NOP for empty epilogues.
4528 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4530         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
4531         before function.  Extend register save check to include all
4532         registers, not just integer ones.
4534 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4536         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
4537         (m68k_use_return_insn): ...this.
4538         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
4539         * config/m68k/m68k.c (use_return_insn): Rename to...
4540         (m68k_use_return_insn): ...this.
4541         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
4542         of USE_RETURN_INSN.
4544 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4546         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
4547         nearest even, fix denormal rounding overflow.
4549 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4551         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
4552         f%$smove and f%$move.
4553         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
4554         (extendsfdf2_cf): Use fdmove instead of f%&move.
4555         (truncdfsf2_cf): Use fsmove instead of f%$smove.
4556         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
4558 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4560         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
4561         GPR<-GPR moves.
4563 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4565         * real.h (real_format): Add a canonical_nan_lsbs_set field.
4566         (coldfire_single_format): Declare.
4567         (coldfire_double_format): Likewise.
4568         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
4569         of qnan_msb_set to determine the lower bits of a canonical
4570         NaN significand.
4571         (encode_ieee_double): Likewise.
4572         (encode_ieee_quad): Likewise.
4573         (ieee_single_format): Initialize canonical_nan_lsbs_set.
4574         (mips_single_format): Likewise.
4575         (ieee_double_format): Likewise.
4576         (mips_double_format): Likewise.
4577         (ieee_extended_motorola_format): Likewise.
4578         (ieee_extended_intel_96_format): Likewise.
4579         (ieee_extended_intel_128_format): Likewise.
4580         (ieee_extended_intel_96_round_53_format): Likewise.
4581         (ibm_extended_format): Likewise.
4582         (mips_extended_format): Likewise.
4583         (ieee_quad_format): Likewise.
4584         (mips_quad_format): Likewise.
4585         (vax_f_format): Likewise.
4586         (vax_d_format): Likewise.
4587         (vax_g_format): Likewise.
4588         (i370_single_format): Likewise.
4589         (i370_double_format): Likewise.
4590         (decimal_single_format): Likewise.
4591         (decimal_double_format): Likewise.
4592         (decimal_quad_format): Likewise.
4593         (c4x_single_format): Likewise.
4594         (c4x_extended_format): Likewise.
4595         (real_internal_format): Likewise.
4596         (coldfire_single_format): New real_format.
4597         (coldfire_double_format): Likewise.
4598         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
4599         canonical_nan_lsbs_set.
4600         (pdp11_d_format): Likewise.
4601         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4602         if TARGET_COLDFIRE_CPU.
4604 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4606         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4607         (output_call, m68k_legitimize_call_address): Declare.
4608         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4609         parenthesees.  Add support for a 'W' constraint.
4610         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4611         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4612         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4613         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4614         variables.
4615         (override_options): Initialize them.  Do not set flag_no_function_cse
4616         for TARGET_ID_SHARED_LIBRARY.
4617         (m68k_output_pic_call): Delete.
4618         (m68k_legitimize_call_address): New function.
4619         (print_operand): Remove the %o prefix.  Handle the %p prefix.
4620         (output_call): New function.
4621         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
4622         target address from the GOT if symbolic jumps are not allowed.
4623         * config/m68k/m68k.md (call, general_operand): Do not set
4624         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
4625         Merge separate flag_pic and !flag_pic define_insns into...
4626         (*call, *call_value): ...these new patterns.  Match the address
4627         rather than the containing MEM and require it to be a call_operand.
4628         Use output_call to generate the asm template.
4629         * config/m68k/predicates.md (const_call_operand): New predicate.
4630         (call_operand): Likewise.
4632 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4634         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4635         (STACK_GROWS_DOWNWARD): Define to 1.
4636         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4637         comments, emphasizing that these values are only defaults.
4638         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4639         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4641 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4643         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4645 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4646             Richard Sandiford  <richard@codesourcery.com>
4648         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4649         (FP_REGNO_P): New macros.
4650         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4651         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4652         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4653         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4655 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4657         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4658         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4659         to $tmake_file.
4660         * config/m68k/t-floatlib: New file, extracting common code from...
4661         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4662         * config/m68k/t-uclinux: Here.
4663         * config/m68k/fpgnulib.c: Do not compile extendeed precision
4664         routines on ColdFire targets.
4666 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4668         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4669         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4670         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4671         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4672         explicitly set MOTOROLA to 1.
4673         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4675 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4676             Nathan Sidwell  <nathan@codesourcery.com>
4678         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4679         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4680         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4681         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4682         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4683         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4684         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4685         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4686         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4687         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4688         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4689         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4690         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4691         (DBX_REGISTER_NUMBER): Delete.
4692         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4693         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4694         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4696 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4698         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4699         * config/flat.h: New file.
4700         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4701         OBJECT_FORMAT_FLAT.
4702         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4703         indirect references for -msep-data or -mid-shared-library.
4704         Do not use PC-relative code addresses either.
4705         * config/m68k/m68k.c (override_options): Restrict -fPIC error
4706         to -mpcrel.
4707         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
4708         for shared libraries and crt1.o for executables.  Use crti.o and
4709         crtbegin.o.
4710         (ENDFILE_SPEC): Use crtend.o and crtn.o.
4711         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4712         Do not add -elf2flt or -shared-lib-id options here.
4713         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
4714         Pass -shared-lib-id if -mid-shared-library, taking the library
4715         identifier from -mshared-library-id if given, otherwise
4716         defaulting to 0.
4717         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4718         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4719         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4720         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4721         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4722         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4723         and crtend.o.
4724         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4725         jump sequence for ISA A and ISA A+.
4726         (PICJUMP): Likewise.
4728 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4730         * config.gcc (m68k-*-uclinux*): Base the port on the common
4731         and m68k GNU/Linux files rather than on the generic ELF ones.
4732         * config/m68k/uclinux.h (TARGET_VERSION): Override.
4733         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4735 2007-01-18  Julian Brown  <julian@codesourcery.com>
4736             Richard Sandiford  <richard@codesourcery.com>
4738         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4739         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4740         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4741         before redefining.
4742         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4743         80 unconditionally.
4744         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4746 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4748         * doc/install.texi: Document m68k-uclinuxoldabi.
4749         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
4750         * config/m68k/uclinux-oldabi.h: New file, copied from
4751         config/m68k/uclinux.h.
4753 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
4755         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
4756         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
4757         (m32r_compute_frame_size): Use unsigned for regno.
4758         (m32r_reload_lr): Use gen_frame_mem.
4759         (pop): New.
4760         (m32r_output_function_epilogue): Don't output the function epilogue
4761         textually here.
4762         (m32r_expand_epilogue): New.
4763         (direct_return): Return false if the function has the interrupt
4764         attribute.
4765         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
4766         * config/m32r/m32r.md (epilogue): New expander.
4767         (return_lr, return_rte): New insns.
4768         (return): Make it expander.
4769         (return_normal): New expander.
4771 2007-01-18  Josh Conner  <jconner@apple.com>
4773         PR target/30485
4774         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
4775         support for UNLE, UNLT, UNGE, and UNGT.
4777 2007-01-18  Jan Hubicka  <jh@suse.cz>
4779         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
4780         * tree-tailcall (add_virtual_phis): Likewise.
4781         (optimize_tail_call): Return TODOs.
4782         (execute_tail_calls): Return TODOs.
4783         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
4784         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
4785         changed.
4786         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4787         Cleanup cfg using TODO.
4788         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
4789         * passes.c (execute_function_todo): When cleanup did something, remove
4790         unused locals.
4791         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
4792         (make_edges): Don't cleanup_cfg.
4794 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
4796         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
4797         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
4798         operate on the top of stack.
4799         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
4800         register handling of instructions that output to the second
4801         stack slot.
4802         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
4803         (move_for_stack_reg): Special-case check for dead destination
4804         stack slot for constant load of 1.0 inside UNSPEC_TAN.
4806         * config/i386/i386.md (UNSPEC_TAN): New constant.
4807         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
4808         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
4809         to correctly model move of constant 1.0 to top stack slot.
4810         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
4811         (unnamed peephole2 pattern): Remove corresponding peephole2
4812         pattern that optimizes tan insn and loading of constant 1.0.
4813         (tanxf2): Use fptanxf4_i387.
4814         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
4815         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
4816         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4817         disable patterns for SSE math.
4818         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
4819         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
4821 2007-01-18  Dirk Mueller  <dmueller@suse.de>
4822             Richard Guenther <rguenther@suse.de>
4824         PR diagnostic/8268
4825         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
4826         * common.opt (Warray-bounds): Add new warning option.
4827         * c-opts.c (c_common_handle_option): Define -Warray-bounds
4828         if -Wall is given.
4829         * Makefile.in: make tree-vrp.o depend on toplev.h
4830         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
4831         is enabled.
4832         (check_array_refs, check_array_bounds, check_array_ref): New.
4834 2007-01-18  Jan Hubicka  <jh@suse.cz>
4836         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
4837         (execute_ssa_ccp): Return flags conditionally.
4838         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
4839         changed.
4840         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
4842 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
4844         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
4845         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
4847         * Makefile.c (GTFILES): Add cfglayout.h.
4848         * gengtype.c (open_base_files): Likewise.
4849         * cfglayout.c (cfg_layout_function_footer,
4850         cfg_layout_function_header) Reindent to make gengtype happy.
4851         * cfglayout.h (cfg_layout_function_footer,
4852         cfg_layout_function_header): Add GTY(()) marker.
4854         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
4856 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4858         * genautomata.c (write_automata): Include xstrerror output in the
4859         error message if writing the DFA description file fails.
4861 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
4863         * config/mips/mips-protos.h (mips_output_external): Make it
4864         return void.
4865         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
4866         * config/mips/mips.c (irix_output_external_libcall): Likewise.
4867         (extern_list): Likewise.
4868         (extern_head): Likewise.
4869         (TARGET_ASM_FILE_END): Likewise.
4870         (mips_file_end): Likewise.
4871         (mips_output_external): Rewritten.
4873 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4875         * genpreds.c (write_insn_preds_c): Only write out the function
4876         body for regclass_for_constraint if we have register constraints.
4878 2007-01-17  Tom Tromey  <tromey@redhat.com>
4880         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
4881         * doc/install.texi (Testing): Use sourceware.org.
4882         (Binaries): Likewise.
4883         (Specific): Likewise.
4884         * doc/contrib.texi (Contributors): Use sourceware.org.
4886 2007-01-17  Anatoly Sokolov <aesok@post.ru>
4888         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
4889         (AVR_ENHANCED): Rename to ...
4890         (AVR_HAVE_MUL): ... new.
4891         (avr_enhanced_p): Rename to ...
4892         (avr_have_mul_p): ... new.
4893         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
4894         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
4895         * config/avr/avr.c (avr_enhanced_p): Rename to ...
4896         (avr_have_mul_p): ... new.
4897         (base_arch_s): Rename 'enhanced' to 'have_mul'.
4898         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
4899         'avr_enhanced_p' and 'enhanced'.
4900         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
4901         AVR_HAVE_MUL instead of AVR_ENHANCED.
4902         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4903         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
4904         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
4905         instead of AVR_ENHANCED.
4906         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4907         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
4908         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
4910 2007-01-17  Ian Lance Taylor  <iant@google.com>
4912         * vec.h (VEC_reserve_exact): Define.
4913         (vec_gc_p_reserve_exact): Declare.
4914         (vec_gc_o_reserve_exact): Declare.
4915         (vec_heap_p_reserve_exact): Declare.
4916         (vec_heap_o_reserve_exact): Declare.
4917         (VEC_OP (T,A,reserve_exact)): New static inline function, three
4918         versions.
4919         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
4920         negative parameter.
4921         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
4922         (VEC_OP (T,A,copy)) [all versions]: Likewise.
4923         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
4924         * vec.c (calculate_allocation): Add exact parameter.  Change all
4925         callers.
4926         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
4927         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
4928         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
4929         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
4930         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
4931         (vec_heap_p_reserve_exact): New function.
4932         (vec_heap_o_reserve_exact): New function.
4934 2007-01-17  Jan Hubicka  <jh@suse.cz>
4936         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
4938 2007-01-17  Eric Christopher  <echristo@apple.com>
4940         * config.gcc: Support core2 processor.
4942 2007-01-16  Jan Hubicka  <jh@suse.cz>
4944         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
4945         the names, just unlink the chain so we don't crash on dangling pointers
4946         to dead SSA names.
4948 2007-01-16  Jan Hubicka  <jh@suse.cz>
4950         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
4951         * tree-pass.h: Reorder to make IPA passes appear toegher.
4952         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
4953         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
4954         parameters, do not call early inliner.
4955         * ipa-inline.c: Update comments.  Include tree-flow.h
4956         (cgraph_decide_inlining): Do not compute inlining parameters.
4957         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
4958         be called with function context set up.
4959         (pass_ipa_inline): Remove unreachable functions before pass.
4960         (cgraph_early_inlining): Simplify assuming to be called from the
4961         PM as local pass.
4962         (pass_early_inline): New pass.
4963         (cgraph_gate_ipa_early_inlining): New gate.
4964         (pass_ipa_early_inline): Turn into simple wrapper.
4965         (compute_inline_parameters): New function.
4966         (gate_inline_passes): New gate.
4967         (pass_inline_parameters): New pass.
4968         (apply_inline): Move here from tree-optimize.c
4969         (pass_apply_inline): New pass.
4970         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
4971         transforming.
4972         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
4973         doing them by hand.
4974         (tree_function_versioning): Do not allocate dummy struct function.
4975         * tree-inline.h (optimize_inline_calls): Update prototype.
4976         * tree-optimize.c (execute_fixup_cfg): Export.
4977         (pass_fixup_cfg): Remove
4978         (tree_rest_of_compilation): Do not apply inlines.
4979         * tree-flow.h (execute_fixup_cfg): Declare.
4980         * Makefile.in (gt-passes.c): New.
4981         * passes.c: Include gt-passes.h
4982         (init_optimization_passes): New passes.
4983         (nnodes, order): New static vars.
4984         (do_per_function_toporder): New function.
4985         (execute_one_pass): Dump current pass here.
4986         (execute_ipa_pass_list): Don't dump current pass here.
4988 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
4990         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
4991         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
4993 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
4995         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
4996         (strong_alias): Define.
4997         (__gcc_qmul): Provide non-FMA for soft-float.
4998         (__gcc_qdiv): Same.
4999         (__gcc_qneg): New.
5000         (__gcc_qeq): New.
5001         (__gcc_qle): New.
5002         (__gcc_qge): New.
5003         (__gcc_qunord): New.
5004         (__gcc_stoq): New.
5005         (__gcc_dtoq): New.
5006         (__gcc_qtos): New.
5007         (__gcc_qtod): New.
5008         (__gcc_qtoi): New.
5009         (__gcc_qtou): New.
5010         (__gcc_itoq): New.
5011         (__gcc_utoq): New.
5012         (fmsub): New.
5013         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
5014         soft-float functions.
5015         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
5016         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
5017         about long double soft float.
5019 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
5020             Tehila Meyzels  <tehila@il.ibm.com>
5022         * tree-vectorizer.h (is_pattern_stmt_p): New.
5023         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
5024         formatting (tabs instead of spaces). Cleanup and clarify setting
5025         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
5026         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
5027         (vectorizable_type_demotion): Check that types are integral.
5028         (vectorizable_type_promotion): Likewise.
5029         (vectorizable_store): Fix typo.  Eliminate new-line at end of
5030         comments.
5032 2007-01-16  Jan Hubicka  <jh@suse.cz>
5034         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
5035         cgraph edges too.
5037 2007-01-15  Eric Christopher  <echristo@apple.com>
5039         * ifcvt.c: Include vec.h, vecprim.h.
5040         (check_cond_move_block): New argument regs.
5041         Reorganize. Add registers used to regs.
5042         (cond_move_process_if_block): Use regs set above as
5043         loop bounds.
5045 2007-01-15  Eric Christopher  <echristo@apple.com>
5047         * config/darwin.h: Update copyright.
5048         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
5049         (LINK_COMMAND_SPEC): Add -u.
5050         (LINK_SPEC): Fix umbrella for above.
5052 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
5054         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
5055         glibc CVS.
5057 2007-01-15  Tom Tromey  <tromey@redhat.com>
5059         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
5060         * doc/install.texi (Testing): Don't mention jacks.
5061         (Configuration): Document --enable-java-maintainer-mode.  Move
5062         --with-java-home to libgcj-specific section.  Document
5063         --with-ecj-jar.
5064         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
5066 2007-01-15  Jan Hubicka  <jh@suse.cz>
5068         * tree-ssa-dce.c (DCE_TODOs): New.
5069         (propagate_necessity): Return if something changed.
5070         (eliminate_unnecessary_stmts): Likewise.
5071         (perform_tree_ssa_dce): Return TODO flags when needed.
5072         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
5074 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
5076         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
5077         (fyl2x_extend<mode>xf3_i387): New insn pattern.
5078         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
5079         patterns using X87MODEF12 mode macro.  Extend operand 1
5080         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
5081         (log10<mode>2): Ditto.
5082         (log2<mode>2): Ditto.
5083         (log1p<mode>2): Ditto.
5084         (logb<mode>2): Ditto.
5085         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
5086         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
5087         (*fxtractxf3_i387): Rename from *fxtractxf3.
5088         (fxtract_extend<mode>xf3_i387): New insn pattern.
5089         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
5090         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
5091         and gen_fyl2xxf3_i387().
5093 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
5095         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
5096         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
5097         get_loop_exit_edges.  Changed return type to bool.
5098         * cfgloop.h (fix_loop_placement): Declaration removed.
5100 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
5102         * param.h (MIN_VECT_LOOP_BOUND): New.
5103         * params.def (MIN_VECT_LOOP_BOUND): New.
5104         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
5105         argument - minimum threshold for number of iterations.
5106         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
5107         argument to declaration.
5108         * tree-vect-analyze.c (vect_analyze_operations): Check value of
5109         MIN_VECT_LOOP_BOUND.
5110         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
5111         slpeel_tree_peel_loop_to_edge with additional argument.
5112         (vect_do_peeling_for_alignment): Likewise.
5113         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
5115 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
5117         PR target/30413
5118         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
5119         operands of size 1.
5121 2007-01-14  Jan Hubicka  <jh@suse.cz>
5123         * tree-dfa.c (remove_referenced_var): New function.
5124         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
5125         prune referenced vars list too.
5126         * tree-flow.h (remove_referenced_var): Declare.
5128 2007-01-14  Jan Hubicka  <jh@suse.cz>
5130         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
5131         separately.
5132         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
5133         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
5134         * except.h (verify_eh_throw_table_statements): Kill prototype.
5135         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
5136         into call exrepssions.
5137         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
5138         eh trhow verifier.
5139         * tree-cfg.c: Include pointer-set.h.
5140         (verify_node_sharing): Work on pointer set.
5141         (verify_eh_throw_stmt_node): New.
5142         (verify_stmts): Use pointers sets, verify throw_stmt.
5144 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
5146         * ipa-reference.c (analyze_function): Consider also addresses taken
5147         in phi nodes.
5149 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5151         * c-typeck.c (null_pointer_constant_p): Replace use of
5152         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5153         (build_c_cast): Likewise.
5155 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5157         * tree.h (force_fit_type_double): Remove unused final argument.
5158         * c-common.c (constant_expression_warning): Replace use of
5159         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5160         (convert_and_check): Likewise.
5161         (shorten_compare): Update call to force_fit_type_double.
5162         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
5163         * convert.c (convert_to_pointer): Update call to
5164         force_fit_type_double.
5165         * fold-const.c (force_fit_type_double): Remove overflowed_const
5166         argument.
5167         (int_const_binop, fold_convert_const_int_from_int,
5168         fold_convert_const_int_from_real, fold_div_compare,
5169         fold_sign_changed_comparison, fold_unary, fold_negate_const,
5170         fold_abs_const, fold_not_const): Remove the final argument from
5171         calls to force_fit_type_double.
5173 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5175         * configure.ac: Set insn to "nop" for spu-*-* also.
5176         * configure: Regenerate.
5178 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
5180         * builtins.def : Add BUILT_IN_FREE.
5182 2007-01-12  Jan Hubicka  <jh@suse.cz>
5184         PR tree-optimization/30443
5185         * tree-inline.c (tree_function_versioning): Do not optimize when
5186         cloning for inlining.
5188 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
5190         * doc/loop.texi: Document recording of loop exits.
5191         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
5192         (update_single_exits_after_duplication,
5193         update_single_exit_for_duplicated_loop,
5194         update_single_exit_for_duplicated_loops): Removed.
5195         (duplicate_loop_to_header_edge): Do not call
5196         update_single_exits_after_duplication and
5197         update_single_exit_for_duplicated_loops.
5198         (loop_version): Do not update single_exit information.
5199         (fix_loop_structure): Use record_loop_exits instead of
5200         mark_single_exit_loops.
5201         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
5202         the lists of loop exits.
5203         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
5204         split_edge, merge_blocks): Update the lists of loop exits.
5205         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
5206         loop_optimizer_init.
5207         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
5208         of mark_single_exit_loops.
5209         (loop_optimizer_finalize): Call release_recorded_exits.
5210         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
5211         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
5212         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
5213         update single exit information.
5214         * lambda-code.c (perfect_nestify): Ditto.
5215         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
5216         (mark_single_exit_loops): Removed.
5217         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
5218         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
5219         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
5220         functions.
5221         (get_loop_exit_edges, single_exit): Use recorded exit lists.
5222         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
5223         (verify_loop_structure): Verify consistency of the exit lists.
5224         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
5225         (set_single_exit): Removed.
5226         * cfgloop.h (struct loop_exit): New function.
5227         (struct loop): single_exit_ field replaced by exits field.
5228         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
5229         (struct loops): Added exits hash.
5230         (mark_single_exit_loops, set_single_exit): Declaration removed.
5231         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
5233 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5235         * doc/invoke.texi: Avoid use of @headitem.
5237 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5239         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
5241 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5243         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
5244         list of targets.
5246 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5247             Richard Sandiford  <richard@codesourcery.com>
5249         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
5250         * config/m68k/m68k.opt: Resort options.
5251         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
5253 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5254             Richard Sandiford  <richard@codesourcery.com>
5256         * doc/invoke.texi: Document the macros that are defined by
5257         m68k's -mtune and -mhard-float options.
5258         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
5259         (m68k_cpp_cpu_family): Likewise.
5260         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
5261         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
5262         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
5263         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
5264         (m68k_cpp_cpu_family): Likewise.
5266 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5268         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
5269         macros besides mc68000 as tuning macros.  Use a switch statement
5270         to set them and mcpu32.
5272 2007-01-12  Julian Brown  <julian@codesourcery.com>
5274         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
5275         (TARGET_68040_ONLY): Rename to...
5276         (TARGET_68040): ...this.
5277         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
5278         * config/m68k/m68k.md: Likewise.
5280 2007-01-12  Julian Brown  <julian@codesourcery.com>
5281             Nathan Sidwell  <nathan@codesourcery.com>
5282             Richard Sandiford  <richard@codesourcery.com>
5284         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
5285         the -mcpu= argument associated with the --with-cpu setting.
5286         Define M68K_DEFAULT_TUNE to the default -mtune= option,
5287         if different from the one implied by the -mcpu setting.
5288         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
5289         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
5290         * doc/invoke.texi: Mention ColdFire in the introduction to the
5291         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
5292         -mno-div and -mhard-float options.  Make -m68881 a synonym for
5293         -mhard-float.  Document the previously-undocumented -m5206e,
5294         -m528x, -m5307 and -m5407 options.  Tweak the existing option
5295         documentation for consistency.
5296         * doc/install.texi: Mention new --with-cpu arguments.
5297         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
5298         default CPU if neither -mcpu nor -march are specified.
5299         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
5300         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
5301         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
5302         using m68k_tune to decide between families that implement the
5303         same ISA.  Use m68k_tune to set __mcfv4e__.
5304         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
5305         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
5306         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
5307         (FL_ISA_C, FL_ISA_MMU): New macros.
5308         (MASK_COLDFIRE): Delete.
5309         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
5310         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
5311         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
5312         (TARGET_HARD_FLOAT): Do not define here.
5313         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
5314         (TUNE_68000): New macro.
5315         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
5316         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
5317         (TUNE_CFV2): Redefine in terms of m68k_tune.
5318         (uarch_type, target_device, fpu_type): New enums.
5319         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
5320         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
5321         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
5322         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
5323         (FL_FOR_isa_c): New macros.
5324         (m68k_isa): New enum.
5325         (m68k_target_selection): New structure.
5326         (all_devices, all_isas, all_microarchs): New tables.
5327         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
5328         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
5329         (MASK_ALL_CPU_BITS): Delete.
5330         (m68k_find_selection): New function.
5331         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
5332         Map the legacy target options to a combination of the new ones.
5333         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
5334         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
5335         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
5336         settings.
5337         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
5338         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
5339         properties.
5340         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
5341         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
5342         * config/m68k/m68k-devices.def: New file.
5344 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5345             Nathan Sidwell  <nathan@codesourcery.com>
5347         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
5348         (SUBTARGET_EXTRA_SPECS): New macros.
5349         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
5350         use %(asm_cpu_spec) instead.
5351         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
5352         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
5353         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
5354         (EXTRA_SPECS): Rename to...
5355         (SUBTARGET_EXTRA_SPECS): ...this.
5357 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5358             Richard Sandiford  <richard@codesourcery.com>
5359             Julian Brown  <julian@codesourcery.com>
5361         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
5362         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
5363         to the configuration's default CPU.
5364         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
5365         Remove default masks.
5366         (m680[012]0-*-*): Set the default with_cpu to the first part of
5367         the target name.
5368         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
5369         (m68k*-*-linux): Extend the --with-cpu handling to...
5370         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
5371         and m68010.  Don't set target_cpu_default2.
5372         * doc/install.texi: Document --with-cpu for m68k.
5373         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
5374         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
5375         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
5376         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
5377         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
5378         (ASM_SPEC): Remove use of %(asm_cpu_default).
5379         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
5380         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
5381         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
5382         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
5383         __HAVE_FPU__ if TARGET_HARD_FLOAT.
5384         (TARGET_DEFAULT): Delete.
5385         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
5386         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
5387         (CPP_CPU_SPEC): Delete.
5388         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
5389         the appropriate string.
5390         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
5391         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
5392         (ASM_SPEC): Don't use %(asm_default_spec).
5393         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5394         TARGET_DEFAULT and add MASK_68881.
5395         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
5397 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5399         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
5400         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
5401         MASK_68010 alongside MASK_68020.
5402         * doc/invoke.texi: Document -m68010.
5403         * config/m68k/m68k.opt (m68010): New.
5404         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
5405         if TUNE_68010.
5406         (TUNE_68010): New macro.
5407         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
5408         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
5409         (M68K_CPU_m68332): Add MASK_68010.
5410         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
5411         fallback definition.
5412         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
5413         defines.
5414         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
5415         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
5416         to all entries that use MASK_68020.
5417         (output_move_simode_const, output_move_himode, output_move_qimode)
5418         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
5419         instead of TARGET_68020 to select clr behavior.  Remove comment
5420         about there being no TARGET_68010.
5421         * config/m68k/m68k.md: Likewise throughout.
5423 2007-01-12  Julian Brown  <julian@codesourcery.com>
5425         * config/m68k/m68k.h (TARGET_ISAB): New macro.
5426         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
5427         * config/m68k/m68k.md: Likewise.
5429 2007-01-12  Julian Brown  <julian@codesourcery.com>
5431         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
5432         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
5434 2007-01-12  Julian Brown  <julian@codesourcery.com>
5436         * config/m68k/m68k.h (TUNE_68040_60): New macro.
5437         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
5438         * config/m68k/m68k.md: Likewise.
5440 2007-01-12  Julian Brown  <julian@codesourcery.com>
5441             Richard Sandiford  <richard@codesourcery.com>
5443         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
5444         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
5445         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
5446         TARGET_CPU32.
5447         (TARGET_CPU32): Rename to...
5448         (TUNE_CPU32): ...this.
5449         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
5450         (TUNE_CFV2): New macros.
5451         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
5452         remove conditions that are implied by TARGET_68020.
5453         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
5454         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
5455         (m68k_output_function_epilogue): Likewise.
5456         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
5457         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
5458         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
5459         non-68000 timings.  Refactor multiplication and division costs.
5460         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
5461         TUNE_CPU32 instead of TARGET_CPU32.
5462         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
5463         and TUNE_68060 instead of TARGET_68060.
5464         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
5465         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
5466         TARGET_CPU32.
5467         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
5468         && !TARGET_COLDFIRE" to choose between moveq and clr.
5469         Likewise in the unnamed movsf pattern.
5470         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
5471         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
5472         ashiftrt pattern.
5474 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5476         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
5477         of tabbing before backslashes.
5479 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5481         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
5482         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
5483         (ASM_OUTPUT_INTERNAL_LABEL): Define.
5485 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5487         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
5488         find_interesting_uses_cond.
5489         (find_interesting_uses_cond): Use extract_cond_operands.
5490         (rewrite_use_compare): Use extract_cond_operands and
5491         force_gimple_operand_bsi.  Do not call update_stmt.
5492         (determine_use_iv_cost_condition): Use extract_cond_operands.
5493         Return cheaper of using original bound and changing the exit bound.
5495 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5497         PR tree-optimization/29516
5498         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
5499         most_expensive_mult_to_index, addr_to_parts,
5500         create_mem_ref, maybe_fold_tmr): Make the type of
5501         fields of TARGET_MEM_REF sizetype.
5502         (move_fixed_address_to_symbol, move_pointer_to_base):
5503         New functions.
5504         * tree.def (TARGET_MEM_REF): Add comment on types of
5505         the operands.
5507 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
5509         * c-common.c (vector_types_convertible_p): Treat opaque types as
5510         always convertible if they have the same size, but not otherwise.
5512 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
5514         * ifcvt.c (struct noce_if_info): Add comments to the fields.
5515         Remove the b_unconditional field.
5516         (noce_try_sign_mask): Do not look at b_unconditional.
5517         (noce_process_if_block): Do not use merge_if_blocks.  Update
5518         the CFG here.  Do not set b_unconditional.
5519         (cond_move_process_if_block): Likewise.
5520         (find_cond_trap): Likewise.
5521         (check_cond_move_block): Require simple jump insns at the end
5522         of the basic block.
5524 2007-01-11  Jan Hubicka  <jh@suse.cz>
5526         PR tree-optimization/1046
5527         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
5528         when alias info is not ready.
5529         (pass_tail_recursion): Do not require aliasing.
5530         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
5531         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
5532         * tree-ssa-copy.c (pass_copy_prop): Likewise.
5533         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5534         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
5535         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
5536         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
5537         before inlining.
5538         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
5539         When aliasing is not build, mark statement as volatile.
5541 2007-01-11  Tom Tromey  <tromey@redhat.com>
5543         PR preprocessor/15185, PR preprocessor/20989:
5544         * doc/cppopts.texi <-MT>: Update description of algorithm for
5545         computing default target.
5546         <-M, -MD>: Reword "basename" text.
5548 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5550         * builtins.c (expand_builtin_pow, expand_builtin_powi,
5551         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
5552         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5553         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
5554         fold_builtin_bswap, real_constp, fold_builtin_pow,
5555         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
5556         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
5557         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5558         * convert.c (convert_to_pointer): Likewise.
5559         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
5560         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
5561         const_binop, fold_convert_const_int_from_int,
5562         fold_convert_const_int_from_real,
5563         fold_convert_const_real_from_real, sign_bit_p,
5564         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
5565         fold_sign_changed_comparison, fold_unary, fold_comparison,
5566         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
5567         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
5568         * print-tree.c (print_node_brief, print_node): Likewise.
5569         * stor-layout.c (place_field, layout_type): Likewise.
5570         * tree-chrec.c (keep_cast): Likewise.
5571         * tree.c (build_vector, build_real, build_real_from_int_cst,
5572         build_complex): Likewise.
5574 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5576         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
5577         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
5579 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
5581         * configure.ac (strict1_warn): Rename to strict_warn.
5582         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
5583         cc_set_by_configure, quoted_cc_set_by_configure,
5584         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
5585         all_boot_languages, all_stagestuff): Remove.
5586         (target_list): Remove bootstrap targets.
5587         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
5588         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
5589         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
5590         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
5591         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
5592         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
5593         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
5594         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
5595         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
5596         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
5597         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
5598         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
5599         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
5600         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
5601         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
5602         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
5603         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
5604         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
5605         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
5606         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
5607         (mostlyclean): Adjust.
5608         (clean, distclean): Don't mention bootstrap stuff.
5609         * configure: Regenerate.
5610         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
5611         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
5612         treelang/config-lang.in (stagestuff): Remove.
5613         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
5614         stageprofile, stagefeedback, stagestuff): Remove mention.
5616 2007-01-11  Nick Clifton  <nickc@redhat.com>
5618         * config/mcore/predicates.md (mcore_general_movesrc_operand):
5619         Accept CONSTs.
5620         (mcore_general_movdst_operand): Do not accept CONST_INTs.
5621         (mcore_arith_K_S_operand): Run the test for the S constraint not
5622         the test for the M constraint.
5623         (mcore_addsub_operand): Do not accept integer values that are
5624         larger than 32 bits.
5625         * config/mcore/mcore.md: Remove unused constraints from split.
5626         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
5627         (addsi3): Likewise.
5628         (allocate_stack): Likewise.
5629         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
5630         operands to 32 bits.
5631         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
5632         INTVAL.
5633         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
5634         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
5635         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
5636         mcore_output_bclri, mcore_output_andn, output_inline_const,
5637         mcore_output_move, mcore_output_movedouble): Likewise.
5638         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
5639         (output_inline_const): Likewise.
5640         (output_inline_const): Fix format strings used in sprintf
5641         statements.
5642         * config/mcore/mcore-protos.h: Update prototypes for changed
5643         functions in mcore.c.
5644         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
5645         HOST_WIDE_INT and not int.
5646         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
5647         CONST_OK_FOR_N): Likewise.
5648         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
5649         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
5650         an INTVAL.
5652 2007-01-10  Jan Hubicka  <jh@suse.cz>
5654         * tree-vrp.c (remove_range_assertions): Release defs.
5655         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
5656         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5658 2007-01-10  Paul Brook  <paul@codesourcery.com>
5660         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5661         * config/arm/arm.md (mulsi3subsi): New insn.
5663 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
5665         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5666         (tree_transform_and_unroll_loop): New.
5667         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5668         Declare.
5670 2007-01-10  Robert Kennedy <jimbob@google.com>
5672         * fold-const.c (fold_comparison): Fold comparisons like (x *
5673         1000 < 0) to (x < 0).
5675 2007-01-10  Ian Lance Taylor  <iant@google.com>
5677         * tree-pretty-print.c (dump_generic_node): Print parentheses when
5678         operands have the same priority.
5680 2007-01-10  Tom Tromey  <tromey@redhat.com>
5682         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5683         (fold_binary): Likewise.
5684         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5685         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5686         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5687         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5688         * langhooks.h (struct lang_hooks): Removed field
5689         'can_use_bit_fields_p'.
5691 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
5693         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5695 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
5697         * function.c (get_last_funcdef_no): New function.
5698         * function.h (get_last_funcdef_no): Declare.
5699         * tree-inline.c (initialize_cfun): Add initialization.
5700         (tree_function_versioning): Cleanup.
5702 2007-01-10  Jan Hubicka  <jh@suse.cz>
5704         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5705         PHIs.
5707 2007-01-10  Sa Liu  <saliu@de.ibm.com>
5708             Ben Elliston  <bje@au.ibm.com>
5710         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5711         for SAVE_NONLOCAL and Pmode for any other save level.
5712         * spu-protos.h (spu_restore_stack_block): Declare.
5713         * spu.md (save_stack_block): Remove.
5714         (restore_stack_block): Call spu_restore_stack_block.
5715         * spu.c (spu_restore_stack_block): New function.
5716         (spu_expand_epilogue): Remove old comment.
5718 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
5720         PR tree-optimization/30322
5721         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5722         (cand_value_at): Return the value as aff_tree.
5723         (may_eliminate_iv): Convert the bound from aff_tree to tree.
5724         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5725         aff_combination_mult): New functions.
5726         (aff_combination_add): Use aff_combination_add_cst.
5727         (aff_combination_convert): Allow conversions to a wider type.
5728         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5729         * tree-affine.h (aff_combination_mult): Declare.
5731 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
5733         * doc/tm.texi: Update documentation to reflect reality of exec
5734         and start file search behaviours. Update copyright year.
5735         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5736         header file directories.
5738 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
5740         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5741         (*cosxf2): Rename to cosxf2_i387.
5742         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
5743         using X87MODEF12 mode macro. Rename patterns to
5744         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
5745         for SSE math.
5746         (*cosdf2, *cossf2): Ditto.
5747         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
5748         to match extended input operands.
5749         (sincos<mode>3): New expander.
5750         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
5751         insn patterns and corresponding splitters.
5753 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5755         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
5756         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
5758 2007-01-09  Nicolas Pitre  <nico@cam.org>
5760         PR target/30173
5761         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
5763 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5765         * target.h (struct gcc_target): New field library_rtti_comdat.
5766         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
5767         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
5768         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
5769         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
5771 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5773         * doc/invoke.texi (Optimize Options): Correct description of -O0.
5775 2007-01-08  Richard Guenther  <rguenther@suse.de>
5777         * tree.h (force_fit_type_double): Export.
5778         (force_fit_type): Remove.
5779         * fold-const.c (force_fit_type_double): New function.
5780         (force_fit_type): Remove.
5781         (int_const_binop): Use it.
5782         (fold_convert_const_int_from_int): Likewise.
5783         (fold_convert_const_int_from_real): Likewise.
5784         (fold_div_compare): Likewise.
5785         (fold_sign_changed_comparison): Likewise.
5786         (fold_unary): Likewise.
5787         (fold_negate_const): Likewise.
5788         (fold_abs_const): Likewise.
5789         (fold_not_const): Likewise.
5790         * c-common.c (shorten_compare): Use force_fit_type_double.
5791         * convert.c (convert_to_pointer): Likewise.
5793 2007-01-08  Richard Guenther  <rguenther@suse.de>
5795         * tree.h (build_int_cst_wide_type): Export.
5796         * tree.c (build_int_cst_wide_type): New function.
5797         (build_int_cst_wide): Fix comment.
5798         * builtins.c (fold_builtin_object_size): Use build_int_cst
5799         to build -1 or 0 of the correct type.  Use fit_double_type
5800         to check for overflow.
5801         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
5802         to build the mask.
5803         (decode_field_reference): Likewise.
5804         (all_ones_mask_p): Likewise.
5805         (native_interpret_int): Use build_int_cst_wide_type.
5806         (fold_binary): Use build_int_cst_type to build an all-ones
5807         value.
5808         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
5810 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
5812         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
5814 2007-01-09  Ben Elliston  <bje@au.ibm.com>
5816         * genautomata.c (STATS_OPTION): New option.
5817         (stats_flag): New flag.
5818         (gen_automata_option): Handle it.
5819         (initiate_automaton_gen): Ditto.
5820         (write_automata): Output statistics only if stats_flag is
5821         set. Likewise, output time statistics only if time_flag is set.
5822         * doc/md.texi (Processor pipeline description): Document new flag.
5824 2007-01-08  Richard Guenther  <rguenther@suse.de>
5826         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
5827         * tree.c (build_int_cst_type): Likewise.
5828         (size_in_bytes): Don't call force_fit_type on the result.
5829         (int_fits_type_p): Use fit_double_type.
5830         * fold-const.c (fit_double_type): New function.
5831         (force_fit_type): Use it.
5832         * tree.h (fit_double_type): Export.
5834 2007-01-08  Jan Hubicka  <jh@suse.cz>
5836         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
5837         * ipa.c (function_and_variable_visibility): Fix return type.
5839 2007-01-08  Richard Guenther  <rguenther@suse.de>
5841         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
5842         of offset to build the index.
5843         * tree-pretty-print.c (dump_generic_node): Don't build negated
5844         const just for printing.
5845         * c-pretty-print.c (pp_c_integer_constant): Likewise.
5846         * builtins.c (fold_builtin_int_roundingfn): Check if result
5847         fits the type by using force_fit_type and comparing the result.
5848         * predict.c (predict_loops): Use compare_tree_int for comparison.
5849         * tree.c (build_int_cst): Fall back to integer_type_node for
5850         NULL_TREE type.
5851         (build_int_cst_wide): Assert type is non-null.
5853 2007-01-08  Roberto Costa  <roberto.costa@st.com>
5855         * tree-vrp.c (extract_range_from_cond_expr): New.
5856         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
5857         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
5858         as expressions.
5859         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
5860         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
5861         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
5862         used as expressions.
5863         * tree-object-size.c (cond_expr_object_size): New.
5864         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
5866 2007-01-08  Jan Hubicka  <jh@suse.cz>
5868         * tree-ssa-forwprop.c (forward_propagate_into_cond,
5869         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
5870         statement.
5872 2007-01-08  Richard Guenther  <rguenther@suse.de>
5874         PR tree-optimization/23603
5875         * tree-vrp.c (set_value_range_to_truthvalue): New function.
5876         (extract_range_from_binary): Fall back to truthvalue instead of
5877         varying for TRUTH_*_EXPR.
5878         (extract_range_from_comparison): Fall back to truthvalue instead of
5879         varying.
5880         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
5881         if all visited PHI values were constant.
5883 2007-01-08  Jan Hubicka  <jh@suse.cz>
5885         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
5886         (cgraph_analyze_function): break out from ...
5887         (cgraph_finalize_compilation_unit): ... here.
5888         (cgraph_expand_function): Remove forgoten commented out line.
5889         (cgraph_optimize): Analyze functions.
5891 2007-01-08  Jan Hubicka  <jh@suse.cz>
5893         * tree-pas.h (TODO_remove_function): New flag.
5894         (TODO_update*): Renumber.
5895         (pass_ipa_increase_alignment,
5896         pass_ipa_function_and_variable_visibility): New passes.
5897         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
5898         (cgraph_function_and_variable_visibility): Move to ipa.c
5899         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
5900         cgraph_increase_alignment.
5901         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
5902         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
5903         calling tree-inline.
5904         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
5905         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
5906         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
5907         (gate_increase_alignment): New function.
5908         (pass_ipa_increase_alignment): New pass.
5909         * ipa.c: Inline tree-pass.h and timevar.h
5910         (function_and_variable_visibility): Move here from cgraphunit.c
5911         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
5912         * passes.c (init_optimization_passes): Add the two new passes.
5913         (execute_todo): Handle cgraph_remove_functions.
5915 2007-01-08  Nick Clifton  <nickc@redhat.com>
5917         * config/frv/predicates.md (reg_or_0_operand): Accept
5918         CONST_DOUBLEs.
5920 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
5922         * config/bfin/rtems.h, config/bfin/t-rtems: New.
5923         * config.gcc: Add bfin*-rtems*.
5925 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5927         * c.opt: Add -flax-vector-conversions.
5928         * c-typeck.c (convert_for_assignment): Pass flag to
5929         vector_types_convertible_p to allow emission of note.
5930         (digest_init): Likewise.
5931         * c-opts.c: Handle -flax-vector-conversions.
5932         * c-common.c (flag_lax_vector_conversions): New.
5933         (vector_types_convertible_p): Unless -flax-vector conversions
5934         has been passed, disallow conversions between vectors with
5935         differing numbers of subparts and/or element types.  If such
5936         a conversion is disallowed, possibly emit a note on the first
5937         occasion only to inform the user of -flax-vector-conversions.
5938         The new last argument specifies this.
5939         * c-common.h (flag_lax_vector_conversions): New.
5940         (vector_types_convertible_p): Add extra argument.
5941         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
5942         char_type_node for V*QI type vectors.
5943         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
5944         Update to satisfy new typechecking rules.
5945         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
5946         C and C++ variants.
5947         * doc/invoke.texi (C Dialect Options): Document
5948         -flax-vector-conversions.
5950 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5952         PR tree-optimization/29877
5953         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
5954         a register variable on the RHS to not be replaceable.
5956 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
5957         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
5958         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
5959         const_simm15, const_pow2, const_npow2): Added.
5960         * config/score/misc.md (insv, extv, extzv, movmemsi,
5961         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
5962         * config/score/score.c (score_address_cost, score_select_cc_mode):
5963         Added.
5964         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
5965         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
5966         Update score_print_operand.
5967         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
5968         Adjust register allocate order and update some macro define.
5969         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
5970         mdx_block_move_straight, mdx_block_move_loop_head,
5971         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
5972         mdx_block_move): Added.
5973         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
5974         mdp_limm): Updated and fix some bug and typo.
5975         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
5976         (movsf, movdf, doloop_end): Added.
5978 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
5980         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
5981         config/arm/thumb2.md: Fix comment typos.
5982         * doc/extend.texi: Fix a typo.
5984 2007-01-07  Eric Christopher  <echristo@apple.com>
5986         * configure.ac: Check for __stack_chk_fail for darwin.
5987         * configure: Regenerate.
5989 2007-01-07  Richard Guenther  <rguenther@suse.de>
5991         * tree-vrp.c (extract_range_from_assert): CSE calls to
5992         compare_values where possible.
5993         (extract_range_from_unary_expr): Likewise.
5995 2007-01-07  Anatoly Sokolov <aesok@post.ru>
5997         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
5998         * config/avr/avr.c (call_insn_operand): Delete function.
5999         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
6000         instead of register number. Use predicates.
6001         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
6002         call_insn_operand): Add.
6004 2007-01-06  Jan Hubicka  <jh@suse.cz>
6006         * tree-pass.h (pass_build_cgraph_edges): Declare.
6007         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
6008         (visited_nodes): Remove.
6009         (cgraph_create_edges): Move to cgraphbuild.c; rename to
6010         build_cgrpah_edges; make visited_nodes local.
6011         (cgraph_process_new_functions): DO not call initialize_inline_failed.
6012         (record_references_in_initializer): Move to cgraphbuild.c
6013         (initialize_inline_failed, rebuild_cgraph_edges,
6014         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
6015         (verify_cgraph_node): Make visited_nodes local.
6016         (cgraph_analyze_function): Do not call cgraph_create_edges and
6017         initialize_inline_failed.
6018         (cgraph_expand_function): Do not call cgraph_lower_function;
6019         assert that function is already lowered.
6020         * Makefile.in (cgraphbuild.o): New.
6021         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
6022         at the end of lowering passes.
6024 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
6026         * ifcvt.c (cond_move_convert_if_block): New function, code
6027         factored out from...
6028         (cond_move_process_if_block): ...here.  Call the new function
6029         on the THEN and ELSE blocks.
6030         (merge_if_block): Do not copy global_live_at_end, merge_blocks
6031         already takes care of this.
6033 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6035         PR c/19978
6036         * tree.h (TREE_OVERFLOW_P): New.
6037         * c-typeck.c (parser_build_unary_op): Warn only if result
6038         overflowed and operands did not.
6039         (parser_build_binary_op): Likewise.
6040         (convert_for_assignment): Remove redundant overflow_warning.
6041         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
6043 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6045         * c-typeck.c (store_init_value): Split over two lines to follow
6046         the GNU coding style.
6048 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
6050         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
6051         __GXX_EXPERIMENTAL_CXX0X__.
6052         * doc/cpp.texi: Same.
6054 2007-01-05  Richard Guenther  <rguenther@suse.de>
6056         PR middle-end/27826
6057         * tree.c (get_narrower): Do not construct COMPONENT_REFs
6058         with mismatched types.  Instead explicitly build a
6059         conversion NOP_EXPR.
6061 2007-01-05  Ian Lance Taylor  <iant@google.com>
6063         * c-common.c (decl_with_nonnull_addr_p): New function.
6064         (c_common_truthvalue_conversion): Call it.
6065         * c-typeck.c (build_binary_op): Likewise.
6066         * c-common.h (decl_with_nonnull_addr_p): Declare.
6068 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
6070         PR c/30360
6071         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
6072         denom against 0.0.
6074 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
6076         * doc/install.texi (Final install): Document the fact that
6077         the GNAT runtime should not be stripped.
6079 2007-01-04  Jan Hubicka  <jh@suse.cz>
6081         * tree-inline.c (fold_marked_statements): Update operand caches
6082         and EH after folding
6084 2007-01-04  Ian Lance Taylor  <iant@google.com>
6086         * c-common.c (check_function_nonnull): Whitespace fix.
6088 2007-01-04  Jan Hubicka  <jh@suse.cz>
6090         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
6091         comitted older version of patch.
6092         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
6093         function, celanup cfg and collect garbage.
6095 2007-01-04  Mike Stump  <mrs@apple.com>
6097         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
6098         (clean): Likewise.
6100 2007-01-04  Eric Christopher  <echristo@apple.com>
6102         * libgcc2.c (__bswapsi2): Use SItype.
6103         (__bswapdi2): Use DItype.
6104         * libgcc2.h: Update for above.
6106 2007-01-04  Paul Brook  <paul@codesourcery.com>
6108         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
6109         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
6110         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
6111         umulsidi3, umulsidi3adddi, smulsi3_highpart,
6112         umulsi3_highpart): Make conditional on !arm_arch6.
6113         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
6114         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
6115         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
6116         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
6117         umulsi3_highpart_v6): New insns.
6119 2007-01-04  Roger Sayle  <roger@eyesopen.com>
6121         * fold-const.c (fold_convert): When casting an expression to void,
6122         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
6123         have a type.  Instead of attempting to build a NOP_EXPR, return
6124         these "special" trees directly.
6126 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
6128         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
6129         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
6130         rs6000_cost->fp not 0 as adjustment for outer NEG.
6132 2007-01-04  Jan Hubicka  <jh@suse.cz>
6134         * cgraph.c (cgraph_release_function_body): New function.
6135         (cgraph_remove_node): Use it.
6136         * cgraph.h (cgraph_release_function_body): Declare.
6137         * cgraphunit.c (cgraph_expand_function): Use it.
6138         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
6139         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
6140         is initialized and while compilation of other function is running.
6141         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
6142         statement CFG annotations from here to ...
6143         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
6145 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
6147         * cfgloop.h (enum li_flags): Make the constants powers of two.
6149 2007-01-04  Jan Hubicka  <jh@suse.cz>
6151         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
6152         set.
6153         (fold_marked_statements): New function.
6154         (optimize_inline_calls, tree_function_versioning): Fold new statements.
6155         * tree-inline.h (copy_body_data): Add statements_to_fold.
6157 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
6159         * config.gcc: Mention libgcc/config.host.
6160         * Makefile.in: Update comments mentioning libgcc.
6161         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
6162         (all.cross, start.encap, rest.encap, rest.cross): Update
6163         dependencies for libgcc move.
6164         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
6165         (clean-target, clean-target-libgcc): Delete.
6166         (srcdirify, GCC_EXTRA_PARTS): New macros.
6167         (libgcc-support, libgcc.mvars): New rules.
6168         (distclean): Remove mention of mklibgcc.
6169         (install): Don't reference INSTALL_LIBGCC.
6170         (install-common): Don't reference EXTRA_PARTS.
6171         (install-libgcc, install-multilib): Delete rules.
6172         * mklibgcc.in: Delete file.
6173         * doc/configfiles.texi: Don't mention mklibgcc.
6175         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
6176         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
6177         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
6178         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
6179         (mklibgcc, ldblspecs): Likewise.
6181         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
6182         (posixpre.def): Use $(T).
6183         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
6184         (SHLIB_SRC, SHLIB_INSTALL): Delete.
6185         (SHLIB_LINK): Make dummy.
6186         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
6188         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
6190         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
6191         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
6192         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
6193         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
6195         * configure.ac (all_outputs): Remove mklibgcc.
6196         * configure: Regenerated.
6198 2007-01-03  Josh Conner  <jconner@apple.com>
6200         PR middle-end/29683
6201         * calls.c (compute_argument_addresses): Set stack and stack_slot
6202         for partial args, too.
6203         (store_one_arg): Use locate.size.constant for the size when
6204         generating a save_area.
6206 2007-01-03  Robert Kennedy <jimbob@google.com>
6208         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
6209         whose definitions are deleted due to basic block merging.
6211 2007-01-03  Paul Brook  <paul@codesourcery.com>
6213         PR target/16634
6214         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
6215         functions.
6216         (use_return_insn): Return 0 for Thumb interrupt functions.
6217         (print_multi_reg): Add rfe argument for IRQ returns.
6218         (arm_output_epilogue): Pop interrupt return address directly into PC.
6219         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
6221 2007-01-03  Paul Brook  <paul@codesourcery.com>
6223         Merge from sourcerygxx-4_1.
6224         * config/arm/thumb2.md: New file.
6225         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
6226         Thumb-2.
6227         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
6228         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6229         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
6230         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
6231         tables.
6232         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6233         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
6234         comptibility.
6235         * config/arm/ieee754-sf.S: Ditto.
6236         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
6237         (thumb1_base_register_rtx_p): ... to this.
6238         (thumb_index_register_rtx_p): Rename...
6239         (thumb1_index_register_rtx_p): ... to this.
6240         (thumb_output_function_prologue): Rename...
6241         (thumb1_output_function_prologue): ... to this.
6242         (thumb_legitimate_address_p): Rename...
6243         (thumb1_legitimate_address_p): ... to this.
6244         (thumb_rtx_costs): Rename...
6245         (thumb1_rtx_costs): ... to this.
6246         (thumb_compute_save_reg_mask): Rename...
6247         (thumb1_compute_save_reg_mask): ... to this.
6248         (thumb_final_prescan_insn): Rename...
6249         (thumb1_final_prescan_insn): ... to this.
6250         (thumb_expand_epilogue): Rename...
6251         (thumb1_expand_epilogue): ... to this.
6252         (arm_unwind_emit_stm): Rename...
6253         (arm_unwind_emit_sequence): ... to this.
6254         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
6255         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
6256         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
6257         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
6258         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
6259         thumb2_output_casesi): New functions.
6260         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
6261         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
6262         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
6263         THUMB2_WORK_REGS): Define.
6264         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
6265         arm_condexec_mask, arm_condexec_masklen)): New variables.
6266         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
6267         (arm_override_options): Check new CPU capabilities.
6268         Set new architecture flag variables.
6269         (arm_isr_value): Handle v7m interrupt functions.
6270         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
6271         Thumb-2.
6272         (const_ok_for_arm): Handle Thumb-2 constants.
6273         (arm_gen_constant): Ditto.  Use movw when available.
6274         (arm_function_ok_for_sibcall): Return false for v7m interrupt
6275         functions.
6276         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
6277         (thumb_find_work_register, arm_load_pic_register,
6278         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
6279         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
6280         print_multi_reg, output_mov_long_double_fpa_from_arm,
6281         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
6282         output_mov_double_fpa_from_arm, output_move_double,
6283         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
6284         output_return_instruction, arm_output_function_prologue,
6285         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
6286         arm_output_mi_thunk, thumb_set_return_address): Ditto.
6287         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
6288         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
6289         (arithmetic_instr, shift_op): Use arm_shift_nmem.
6290         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
6291         '!' and 'L'.
6292         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
6293         (thumb_expand_prologue): Use thumb_set_frame_pointer.
6294         (arm_file_start): Output directive for unified syntax.
6295         (arm_unwind_emit_set): Handle stack alignment instruction.
6296         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
6297         Add v6t2, v7, v7a, v7r and v7m.
6298         (RETLDM): Add Thumb-2 code.
6299         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
6300         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
6301         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
6302         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
6303         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
6304         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
6305         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
6306         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
6307         ADJUST_INSN_LENGTH): Define.
6308         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
6309         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
6310         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
6311         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
6312         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6313         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
6314         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
6315         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
6316         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
6317         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
6318         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
6319         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
6320         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
6321         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
6322         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
6323         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
6324         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
6325         cortex-m3.
6326         * config/arm/arm-tune.md: Regenerate.
6327         * config/arm/arm-protos.h: Update prototypes.
6328         * config/arm/vfp.md: Enable patterns for Thumb-2.
6329         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
6330         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
6331         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
6332         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
6333         * config/arm/libunwind.S: Add Thumb-2 code.
6334         * config/arm/constraints.md: Update include Thumb-2.
6335         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
6336         * config/arm/ieee754-df.S: Ditto.
6337         * config/arm/bpabi.S: Ditto.
6338         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
6339         * config/arm/predicates.md (low_register_operand,
6340         low_reg_or_int_operand, thumb_16bit_operator): New.
6341         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
6342         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
6343         * config/arm/t-arm-elf: Add armv7 multilib.
6344         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
6345         Include thumb2.md.
6346         (UNSPEC_STACK_ALIGN, ce_count): New.
6347         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
6348         arm_zero_extendsidi2, arm_zero_extendqidi2): New
6349         insns/expanders.
6350         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
6351         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
6352         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
6353         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
6354         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
6355         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
6356         insns.
6357         * doc/extend.texi: Document ARMv7-M interrupt functions.
6358         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
6360 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
6362         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
6363         (struct _Unwind_Context): Rename args_size to flags, remove
6364         signal_frame field, add a new args_size field and version field.
6365         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
6366         _Unwind_IsExtendedContext): New inline functions.
6367         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6368         Assume by_value array is only present if _Unwind_IsExtendedContext.
6369         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
6370         _Unwind_IsSignalFrame.
6371         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
6372         (uw_update_context_1): Use _Unwind_SetSignalFrame.
6373         (uw_init_context_1): Initialize context->flags to
6374         EXTENDED_CONTEXT_BIT.
6375         * config/rs6000/linux-unwind.h (frob_update_context): Use
6376         _Unwind_SetSignalFrame.
6378 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6380         PR middle-end/30353
6381         * gimplify.c (gimplify_modify_expr_complex_part): Move below
6382         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
6383         the value.
6385 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
6387         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
6388         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
6389         RET, AT_SP): Remove.
6390         * config/i386/i386.md (*sse_prologue_save_insn): Use return
6391         instead of RET.
6393         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6394         * cfgbuild.c (find_basic_blocks): Likewise.
6395         * cfgrtl.c (rtl_create_basic_block): Likewise.
6396         * function.c (temp_slots_at_level): Likewise.
6397         * reg-stack.c (stack_regs_mentioned): Likewise.
6398         * regclass.c (allocate_reg_info): Likewise.
6399         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6400         set_bb_for_stmt, move_block_to_fn): Likewise.
6401         * tree-complex.c (tree_lower_complex): Likewise.
6402         * vec.h (VEC_safe_grow_cleared): New.
6404         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
6406 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
6408         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
6409         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
6410         to loop_version.
6411         * cfgloopmanip.c (scale_loop_frequencies): Export.
6412         (loopify): Scale the frequencies by prescribed coefficients.
6413         (set_zero_probability): New function.
6414         (duplicate_loop_to_header_edge): Improve updating of frequencies.
6415         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
6416         and frequencies according to arguments.
6417         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
6418         correctly.
6419         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
6420         * modulo-sched.c (sms_schedule): Set probabilities for entering
6421         versioned loop correctly.
6422         * tree-vect-transform.c (vect_transform_loop): Ditto.
6423         * cfgloop.h (loopify, loop_version): Declaration changed.
6424         (scale_loop_frequencies): Declared.
6426 2007-01-02  Jan Hubicka  <jh@suse.cz>
6428         * cgraph.c: Include tree-flow.h
6429         (cgraph_add_new-function): Handle IPA_SSA mode; execute
6430         early_local_passes.
6431         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
6432         * tree-pass.h (pass_all_early_optimizations): Declare.
6433         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
6434         early_local_passes.
6435         (cgraph_analyze_function): Do early_local_passes.
6436         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6437         Do not add referenced vars.
6438         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
6439         SSA form.
6440         (gate_all_early_local_passes): New gate.
6441         (pass_early_local_passes): Use new gate.
6442         (execute_early_local_optimizations): New functions.
6443         (gate_all_early_optimizations): New gate.
6444         (pass_all_early_optimizations): New pass.
6445         (execute_free_datastructures): Free SSA only when initialized.
6446         (gate_init_datastructures): Init only when optimizing.
6447         (tree_lowering_passes): Do early local passes when called late.
6448         * tree-profile.c (do_tree_profiling): Don't profile functions added
6449         late.
6450         (do_early_tree_profiling, pass_early_tree_profile): Kill.
6451         * tree-cfg.c (update_modified_stmts): Do not update when operands are
6452         not active.
6453         * passes.c (init_optimizations_passes): Reorder so we go into SSA
6454         during early_local_passes.
6455         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
6458 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6460         * Makefile.in: Update copyright year.
6462 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6464         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
6465         in $(lang_checks) and check-consistency targets.
6467 2007-01-02  Jan Hubicka  <jh@suse.cz>
6469         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6470         Do not add referenced vars.
6471         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
6472         are not active.
6473         * passes.c (init_optimization_passes): Put mudflap_2 after
6474         free_datastructures.
6476 2007-01-02  Jan Hubicka  <jh@suse.cz>
6478         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
6479         Set NOTHROW flag on call statements proved to be nothrow.
6480         Update statement of local calls so new pure/const functions are
6481         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
6482         goto receivers.
6483         (tree_rest_of_compilation): Register hooks and initialize bitmap
6484         early. Do not set after_inlining flag.
6486 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
6488         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
6489         HOST_BITS_PER_LONGLONG
6491 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6493         PR c/19977
6494         * c-typeck.c (store_init_value): Don't emit pedantic overflow
6495         warning for non-static initializers.
6497 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
6499         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
6500         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
6501         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
6502         Always use set_unique_reg_note to add REG_EQUAL notes.
6504 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6506         Revert:
6507         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6509         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6510         * cfgbuild.c (find_basic_blocks): Likewise.
6511         * cfgrtl.c (rtl_create_basic_block): Likewise.
6512         * function.c (temp_slots_at_level): Likewise.
6513         * reg-stack.c (stack_regs_mentioned): Likewise.
6514         * regclass.c (allocate_reg_info): Likewise.
6515         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6516         set_bb_for_stmt, move_block_to_fn): Likewise.
6517         * tree-complex.c (tree_lower_complex): Likewise.
6518         * vec.h (VEC_safe_grow_cleared): New.
6520 2007-01-02  Ian Lance Taylor  <iant@google.com>
6522         * c-common.c (c_common_truthvalue_conversion): When warning about
6523         using an assignment as a truth value, set TREE_NO_WARNING.
6525 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6527         PR middle-end/7651
6528         * c.opt (Wold-style-declaration): New.
6529         * doc/invoke.texi (C-only Warning Options): New.
6530         (Wold-style-declaration): Document it.
6531         (Wextra): Enabled by -Wextra.
6532         * c-opts.c (c_common_post_options): Enabled by -Wextra.
6533         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
6534         -Wold-style-declaration.
6536 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6538         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6539         * cfgbuild.c (find_basic_blocks): Likewise.
6540         * cfgrtl.c (rtl_create_basic_block): Likewise.
6541         * function.c (temp_slots_at_level): Likewise.
6542         * reg-stack.c (stack_regs_mentioned): Likewise.
6543         * regclass.c (allocate_reg_info): Likewise.
6544         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6545         set_bb_for_stmt, move_block_to_fn): Likewise.
6546         * tree-complex.c (tree_lower_complex): Likewise.
6547         * vec.h (VEC_safe_grow_cleared): New.
6549 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
6551         * c-common.c (c_common_nodes_and_builtins): Since variants of
6552         void_type_node get built before it is given a name, we need to
6553         give those variants the name, too.
6554         (complete_array_type): We need to work with the canonical main
6555         type of the array, from which we will build the qualified version.
6556         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
6557         * print-tree.c (print_node): Display canonical type information
6558         for each type.
6559         * stor-layout.c (layout_type): When we don't know the
6560         alignment of a type for which we're building an array, we end up
6561         guessing wrong, so make the type require structural equality.
6562         * tree.c (make_node_stat): When we build a new type, it is its
6563         own canonical type.
6564         (build_type_attribute_qual_variant): When building an attribute
6565         variant, its canonical type is the non-attribute variant. However,
6566         if the attributes are target-dependent and they differ, we need to
6567         use structural equality checks for this type.
6568         (build_qualified_type): A qualified type is not equivalent to its
6569         unqualified variant; set the canonical type appropriately.
6570         (build_distinct_type_copy): When building a distinct type from
6571         another type, the new type is its own canonical type.
6572         (build_variant_type_copy): When building a new type variant, we
6573         assume that it is equivalent to the original type.
6574         (build_pointer_type_for_mode): When building a pointer type, also
6575         build a canonical type pointer.
6576         (build_reference_type_for_mode): When building a reference type,
6577         also build a canonical type reference.
6578         (build_index_type): When we can't hash an index type (e.g.,
6579         because its maximum value is negative), the index type requires
6580         structural equality tests.
6581         (build_array_type): Build the canonical form of an array type.
6582         (build_function_type): Function types require structural equality,
6583         because they contain default arguments, attributes, etc.
6584         (build_method_type_directly): Ditto for method types.
6585         (build_offset_type): Build the canonical offset type.
6586         (build_complex_type): Build the canonical vector type.
6587         (make_vector_type): Build the canonical vector type.
6588         * tree.h (TYPE_CANONICAL): New.
6589         (TYPE_STRUCTURAL_EQUALITY_P): New.
6590         (SET_TYPE_STRUCTURAL_EQUALITY): New.
6591         (struct tree_type): Added "canonical" field.
6592         * params.h (VERIFY_CANONICAL_TYPES): New.
6593         * doc/c-tree.texi (TYPE_CANONICAL): Document.
6594         (TYPE_STRUCTURAL_EQUALITY_P): Document.
6595         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
6596         * doc/invoke.texi (verify-canonical-types): Document --param
6597         parameter for verifying canonical types.
6599 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6601         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
6602         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
6603         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
6604         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
6605         tm_file.
6606         * config/rs6000/e500.h: New.
6607         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
6608         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
6609         Remove.
6610         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
6611         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
6612         TARGET_E500_DOUBLE): Remove.
6613         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
6614         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
6615         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
6616         * config/rs6000/rs6000.c (rs6000_override_options): Use
6617         CHECK_E500_OPTIONS.
6619 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6621         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
6622         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
6623         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
6624         rs6000_emit_cmove): Don't check TARGET_E500.
6625         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
6626         sordered): Don't check TARGET_E500.
6628 2007-01-01  Eric Christopher  <echristo@apple.com>
6630         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
6631         HARD_REGISTER_NUM_P.
6633 2007-01-01  Roger Sayle  <roger@eyesopen.com>
6635         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
6636         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
6637         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
6638         eq/ne Y".
6640 2007-01-01  Mike Stump  <mrs@apple.com>
6642         * configure.ac: Remove support for building with Apple's gcc-3.1.
6644 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6646         PR middle-end/30311
6647         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
6648         REG is a hard register.  Do not modify REG before calling
6649         subreg_nregs.
6650         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
6651         multiple of the size of YMODE for certain lowpart cases.
6653 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6655         PR middle-end/30253
6656         * gimplify (voidify_wrapper_expr): Update for
6657         GIMPLE_MODIFY_STMT.
6659 2007-01-01  Andreas Schwab  <schwab@suse.de>
6661         PR target/29166
6662         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6663         save of BR0 in extra_spill_size instead of spill_size.
6664         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6665         area.
6666         (ia64_expand_epilogue): Restore BR0 from its new location.
6668 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6670         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6671         Use a temporary variable if the left hand side is not a gimple
6672         register.
6674 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6676         * gimplify.c (gimplify_return_expr): Make the temporary variable
6677         for the return expression, a gimple register variable.
6679 2007-01-01  Jan Hubicka  <jh@suse.cz>
6681         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6682         INSN_LIST.
6684 2007-01-01  Mike Stump  <mrs@apple.com>
6686         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6687         .literal16.
6688         * config/darwin.c (machopic_select_rtx_section): Use
6689         HAVE_GAS_LITERAL16.
6690         (darwin_mergeable_constant_section): Likewise.
6691         * configure: Regenerate.
6692         * config.in: Regenerate.
6694 2007-01-01  Jan Hubicka  <jh@suse.cz>
6695             Andrew Pinski  <pinskia@gmail.com>
6697         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6698         before starting IPA passes.