* doc/extend.texi: Document optional priority argument to
[official-gcc.git] / gcc / ChangeLog
blob54d3ad521791ab3f7b8d243f78f590e722a02b9f
1 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
3         * doc/extend.texi: Document optional priority argument to
4         constructors and destructors.
5         * tree.c (init_priority_for_decl): Adjust GTY markers.
6         (init_ttree): Use priority-info hash functions for
7         init_priority_for_decl.
8         (tree_map_eq): Rename to ...
9         (tree_map_base_eq): ... this.
10         (tree_map_marked_p): Rename to ...
11         (tree_map_base_marked_p): ... this.
12         (tree_map_base_hash): New function.
13         (decl_init_priority_lookup): Rework.
14         (decl_fini_priority_lookup): New function.
15         (decl_priority_info): New function.
16         (decl_init_priority_insert): Use it.
17         (decl_fini_priority_insert): Likewise.
18         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
19         hierarchy.
20         (decl_restrict_base_insert): Likewise.
21         (decl_debug_expr_insert): Likewise.
22         (decl_value_expr_lookup): Likewise.
23         (decl_value_expr_insert): Likewise.
24         * tree.h (priority_type): New type.
25         (decl_init_priority_lookup): Use priority_type.
26         (decl_fini_priority_lookup): New function.
27         (decl_init_priority_insert): Use priority_type.
28         (decl_fini_priority_insert): New function.
29         (DECL_HAS_INIT_PRIORITY): Tweak comments.
30         (DECL_INIT_PRIORITY): Likewise.
31         (SET_DECL_INIT_PRIORITY): Add comment.
32         (DECL_FINI_PRIORITY): New macro.
33         (SET_DECL_FINI_PRIORITY): Likewise.
34         (DEFAULT_INIT_PRIORITY): Document.
35         (MAX_INIT_PRIORITY): Likewise.
36         (MAX_RESERVED_INIT_PRIORITY): Likewise.
37         (tree_map_base): New type.
38         (tree_map_base_eq): New function.
39         (tree_map_base_hash): Likewise.
40         (tree_map_base_marked_p): Likewise.
41         (tree_map): Inherit from tree_map_base.
42         (tree_map_eq): Make it a macro.
43         (tree_map_marked_p): Likewise.
44         (tree_int_map): Inherit from tree_map_base.
45         (tree_int_map_eq): Make it a macro.
46         (tree_int_map_hash): Likewise.
47         (tree_int_map_marked_p): Likewise.
48         (tree_priority_map): New type.
49         (tree_priority_map_eq): New macro.
50         (tree_priority_map_hash): Likewise.
51         (tree_priority_map_marked_p): Likewise.
52         * varasm.c (emults_decl): Adjust for refactoring of tree_map
53         hierarchy.
54         (emutls_common_1): Likewise.
55         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
56         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
57         of tree_map hierarchy.
58         * tree-cfg.c (move_stmt_r): Likewise.
59         (new_label_mapper): Likewise.
60         * c-tree.h (c_expand_body): Move to ...
61         * c-common.h (c_expand_body): ... here.
62         * c-decl.c (c_expand_body): Move to ...
63         * c-common.c (c_expand_body): ... here.
64         (c_common_attribute_table): Allow 1 argument for the constructor
65         and destructor attributes.
66         (get_priority): New function.
67         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
68         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
70 2007-02-24  Jan Hubicka  <jh@suse.cz>
72         PR middle-end/30509
73         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
75 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
76             Jan Hubicka  <jh@suse.cz>
78         PR target/30778
79         * i386.c (counter_mode): New function.
80         (expand_set_or_movmem_via_loop): Use it.
81         (expand_movmem_epilogue): Likewise; fix pasto.
82         (ix86_expand_movmem): Do emit guard even for constant counts.
83         (ix86_expand_setmem): Likewise.
85 2007-02-25  Nick Clifton  <nickc@redhat.com>
87         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
88         (JUMP_TABLES_IN_TEXT_SECTION): Define.
90 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
92         PR target/30770
93         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
94         count argument with 0x10, not with 0x16.
95         (expand_setmem_epilogue): Ditto.
97 2007-02-24  Mike Stump  <mrs@apple.com>
99         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
100         symbols.
102 2007-02-24  Richard Guenther  <rguenther@suse.de>
104         PR middle-end/30951
105         * fold-const.c (fold_binary): Fold x +- CST op x for
106         EQ_EXPR and NE_EXPR.
108 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
110         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
112 2007-02-24  Jan Hubicka  <jh@suse.cz>
114         * cgraphunit.c (decide_is_function_needed): Honor
115         -fkeep-inline-functions.
117 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
119         * builtins.c (fold_builtin_modf): New.
120         (fold_builtin_2): Use it.
122 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
124         * loop-iv.c (implies_p): Detect additional cases where A implies B.
125         (determine_max_iter): Take additional LOOP arg; all callers changed.
126         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
127         one using simplifications.
128         (simplify_using_initial_values): Return if the expression becomes
129         invalid due to altered regs.
131 2007-02-23  DJ Delorie  <dj@redhat.com>
133         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
135 2007-02-23  Mike Stump  <mrs@apple.com>
137         * tlink.c (scan_linker_output): Parse linker messages from
138         darwin9's linker better.
140 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
142         PR debug/29614
143         * varpool.c (varpool_assemble_pending_decls):  Set
144         varpool_last_needed_node to null.
146 2007-02-23  DJ Delorie  <dj@redhat.com>
148         * config/i386/i386.c (ix86_data_alignment): Don't specify an
149         alignment bigger than the object file can handle.
151 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
153         PR target/30825
154         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
155         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
156         (*movsf_1): Penalize MMX moves.
158 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
160         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
161         2^32-1 or more times unless flag_unsafe_loop_optimizations.
163         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
165 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
167         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
168         (fold_builtin_1): Use them.
169         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
170         BUILT_IN_SIGNIFICAND.
172 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
174         * config/i386/i386.c (bdesc_1arg): Initialize
175         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
176         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
177         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
178         and IX86_BUILTIN_MOVSLDUP.
180 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
182         PR rtl-optimization/30841
183         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
185 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
187         * builtins.c (fold_builtin_frexp): New.
188         (fold_builtin_2): Use it.
190 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
192         * doc/invoke.texi (Spec Files): Document getenv spec function.
194         * gcc.c (getenv_spec_function): New function.
195         (static_spec_functions): Add it.
196         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
197         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
198         header files.
200 2007-02-22  Michael Matz  <matz@suse.de
202         PR c++/29433
203         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
204         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
206 2007-02-22  Ian Lance Taylor  <iant@google.com>
208         PR debug/30898
209         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
210         (mem_loc_descriptor): Call it.
212 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
213             Ira Rosen  <irar@il.ibm.com>
215         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
217 2007-02-22  Ira Rosen  <irar@il.ibm.com>
219         PR tree-optimization/30843
220         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar 
221         stores only after all the group is vectorized.
223 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
225         PR tree-optimization/30858
226         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
227         in the reduction cycle have a single use in the loop.
228         * tree-vectorizer.h (relevant): Add documentation.
230 2007-02-20  Mike Stump  <mrs@apple.com>
232         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
233         * configure: Regenerate.
235 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
237         Change the defaults of some parameters and options.
238         * config/spu/spu-protos.h (spu_optimization_options): Declare.
239         * config/spu/spu.c (spu_optimization_options): Add.
240         (spu_override_options): Change params in spu_optimization_options.
241         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
243         Register 127 is only 16 byte aligned when used as a frame pointer.
244         * config/spu/spu-protos.h (spu_init_expanders): Declare.
245         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
246         HARD_FRAME_POINTER_REGNUM.
247         (spu_legitimate_address):  Use regno_aligned_for_reload.
248         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
249         aligned when frame_pointer_needed is true.
250         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
251         to 8 bits.
252         * config/spu/spu.h (INIT_EXPANDERS): Define.
254         Make sure shift and rotate instructions have valid immediate operands.
255         * config/spu/predicates.md (spu_shift_operand): Remove.
256         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
257         * config/spu/constraints.md (W, O): Extend range.
258         * config/spu/spu.md (umask, nmask): Define.
259         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
260         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
261         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
262         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
263         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
264         (lshr<mode>3_reg):  Fix rtl description.
266         Make sure mulhisi immediate operands are valid.
267         * config/spu/predicates.md (imm_K_operand): Add.
268         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
270         Generate constants using fsmbi and andi.
271         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
272         (print_operand, spu_split_immediate, classify_immediate,
273         fsmbi_const_p): Handle IC_FSMBI2.
275         Correctly handle a CONST_VECTOR containing symbols.
276         * config/spu/spu.c (print_operand): Handle HIGH correctly.
277         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
278         (immediate_load_p): Allow symbols that use 2 instructions to create.
279         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
280         with symbols when flag_pic is set.
281         (const_vector_immediate_p): New.
282         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
283         accept a CONST_VECTOR with symbols.
284         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
285         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
286         correctly.
287         * config/spu/spu.md (high, low): Delete.
288         (low_<mode>): Define.
290         Remove INTRmode and INTR_REGNUM, which didn't work.
291         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
292         of INTR_REGNUM.
293         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
294         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
295         peephole2 pattern): Don't use INTR or 131.
296         (movintrcc): Delete.
297         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
298         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
299         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
300         (UNSPEC_SET_INTR): Add.
301         * config/spu/spu-modes.def (INTR): Remove.
303         More accurate warnings about run-time relocations.
304         * config/spu/spu.c (reloc_diagnostic): Test in_section.
306         Correctly warn about immediate arguments to specific intrinsics.
307         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
308         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
309         the instruction predicate.
311         Fix tree check errors with latest update.
312         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
313         CALL_EXPR_ARG.
314         (spu_expand_builtin): Use CALL_EXPR_FN.
316         Add missing specific intrinsics.
317         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
318         si_bislede.
319         * config/spu/spu_internals.h: Ditto.
321         Fix incorrect operand modifiers.
322         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
323         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
325         Optimize one case of zero_extend of a vec_select.
326         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
328         Accept any immediate for hbr.
329         * config/spu/spu.md (hbr):  Change s constraints to i.
331 2007-02-21  Paul Brook  <paul@codesourcery.com>
333         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
334         condexec_count when skipping USE and CLOBBER.
336 2007-02-21  Nick Clifton  <nickc@redhat.com>
338         * common.opt (Warray-bounds): Add Warning attribute.
339         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
340         Likewise.
341         (fsized-zeroes): Add Optimization attribute.
342         (fsplit-wide-types, ftree-scev-cprop): Likewise.
343         * c.opt (Wc++0x-compat): Add Warning attribute.
345 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
347         PR middle-end/30761
348         * reload1.c (eliminate_regs_in_insn): In the single_set special
349         case, attempt to re-recognize the insn before falling back to
350         having reload fix it up.
352 2007-02-20  Eric Christopher  <echristo@gmail.com>
354         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
355         Rewrite accordingly.
356         (frv_read_iacc_argument): Ditto.
357         (frv_expand_set_builtin): Take a call instead of arglist, update for
358         above changes.
359         (frv_expand_unop_builtin): Ditto.
360         (frv_expand_binop_builtin): Ditto.
361         (frv_expand_cut_builtin): Ditto.
362         (frv_expand_binopimm_builtin): Ditto.
363         (frv_expand_voidbinop_builtin): Ditto.
364         (frv_expand_int_void2arg): Ditto.
365         (frv_expand_prefetches): Ditto.
366         (frv_expand_voidtriop_builtin): Ditto.
367         (frv_expand_voidaccop_builtin): Ditto.
368         (frv_expand_load_builtin): Ditto.
369         (frv_expand_store_builtin): Ditto.
370         (frv_expand_mdpackh_builtin): Ditto.
371         (frv_expand_mclracc_builtin): Ditto.
372         (frv_expand_mrdacc_builtin): Ditto.
373         (frv_expand_mwtacc_builtin): Ditto.
374         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
375         calls for above.
377 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
379         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
380         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
381         cmpb instruction.
382         (HAVE_GAS_DFP): Check for assembler support of decimal floating
383         point instructions.
384         * configure: Regenerate.
385         * config.in: Regenerate.
386         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
387         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
388         masks to power6 and power6x and to POWERPC_MASKS.
389         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
390         _ARCH_PWR6.
391         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
392         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
393         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
394         Access PROTOTYPE as variable, not mask.
396 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
398         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
399         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
400         * combine.c (adjust_for_new_dest): Use it.
401         * postreload.c (reload_combine): Likewise.
403 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
405         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
406         notes on an insn with multiple sets, even if single_set returns
407         non-NULL for that insn.
409 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
411         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
412         scalbn and scalbln.
414 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
416         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
417         if user didn't pass it.
418         * config/i386/darwin.h (CC1_SPEC): Likewise.
419         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
420         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
421         -mmacosx-version-min.
423 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
424             Uros Bizjak  <ubizjak@gmail.com>
426         * optabs.h (enum optab_index): Add new OTI_scalb.
427         (scalb_optab): Define corresponding macro.
428         * optabs.c (init_optabs): Initialize scalb_optab.
429         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
430         patterns.
431         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
432         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
433         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
434         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
435         flag_unsafe_math_optimizations is set.
437         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
438         to implement scalbf, scalb and scalbl built-ins as inline x87
439         intrinsics.
441 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
442             DJ Delorie <dj@redhat.com>
444         PR other/30824
445         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
446         (diagnostic_report_diagnostic): ... here, and turn them into real
447         errors. If warnings are inhibited, no need to do anything.
449 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
451         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
452         better code generation.
454 2007-02-20  Ben Elliston  <bje@au.ibm.com>
456         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
458 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
460         * config/alpha/alpha.c, config/alpha/alpha.md,
461         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
462         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
463         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
464         config/arm/lib1funcs.asm: Follow spelling conventions.
466         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
467         config/fr30/fr30.md, config/i386/i386.h,
468         config/iq2000/iq2000.h, config/iq2000/predicates.md,
469         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
470         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
471         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
472         config/rs6000/altivec.md, config/rs6000/rs6000.c,
473         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
474         config/sparc/sparc.c, config/sparc/sparc.h,
475         config/sparc/sparc.md, config/spu/constraints.md,
476         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
477         conventions.
479 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
481         PR target/29943
482         * varasm.c (use_blocks_for_decl_p): Return false for decls with
483         alias attribute.
485 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
487         * doc/invoke.texi (-ftree-lrs): Remove.
489 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
491         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
492         NULL.
494 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
496         * config/ia64/ia64.c (ia64_expand_builtin): Use the
497         new CALL_EXPR_FN macro for retrieving the function
498         declaration of the input expression.
500 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
502         * c.opt (Waddress): New.
503         * common.opt (Walways-true): Delete.
504         (Wstring-literal-comparison): Delete.
505         * doc/invoke.texi (Warning Options): Delete -Walways-true and
506         -Wstring-literal-comparison. Add -Waddress.
507         (Waddress): New.
508         (Walways-true): Delete.
509         (Wstring-literal-comparison): Delete.
510         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
511         consistently instead of -Walways-true in example.
512         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
513         * c-typeck.c (parser_build_binary_op): Replace
514         -Wstring-literal-comparison and -Walways-true with -Waddress.
515         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
516         with -Waddress.
518 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
520         * tree-cfg.c (dump_function_to_file): Be prepared for functions
521         without DECL_STRUCT_FUNCTION initialized.
523 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
525         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
526         due to calls to functions taking pointers as parameters.
528 2007-02-19  Richard Henderson  <rth@redhat.com>
530         PR debug/29558
531         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
532         in memory.
534 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
536         * config/s390/s390.c (s390_call_saved_register_used,
537         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
538         accessed to the new scheme.
540 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
542         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
543         (cris_print_index, cris_print_operand, cris_print_operand_address)
544         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
545         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
546         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
547         GET_CODE () == xxx.
548         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
549         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
550         GO_IF_LEGITIMATE_ADDRESS): Ditto.
551         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
552         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
553         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
554         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
555         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
556         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
557         (uminsi3, call, call_value): Ditto.
558         (define_split: indir_to_reg_split, unnamed): Ditto.
560 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
562         PR tree-optimization/30975
563         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
564         wrong assert.
566 2007-02-18  Eric Christopher  <echristo@gmail.com>
568         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
569         Remove use of arglist.
570         (mips_expand_builtin): Remove use of arglist, pass in expr.
571         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
572         (mips_expand_builtin_movtf): Ditto.
573         (mips_expand_builtin_compare): Ditto.
575 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
577         * tree-sra.c (sra_build_assignment): Replace assertion
578         checking with a comment explaining why it can't be done.
580 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
582         PR middle-end/30833
583         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
584         during CALL_EXPR representation conversion.
585         * tree-ssa-propagate.c (set_rhs): Likewise.
587 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
589         * tree-sra.c (sra_build_assignment): Disable assertion checking
590         for now.
592 2007-02-18  Roger Sayle  <roger@eyesopen.com>
594         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
595         instead of calling build2 with a GIMPLE_MODIFY_STMT.
596         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
597         Likewise.
598         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
599         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
600         gimplify_init_ctor_eval_range, gimple_push_cleanup,
601         gimplify_omp_for, gimplify_omp_atomic_pipeline,
602         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
603         force_gimple_operand): Likewise.
604         * ipa-cp.c (constant_val_insert): Likewise.
605         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
606         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
607         perfect_nestify): Likewise.
608         * langhooks.c (lhd_omp_assignment): Likewise.
609         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
610         lower_copyprivate_clauses, lower_send_clauses,
611         lower_send_shared_vars, expand_parallel_call,
612         expand_omp_for_generic, expand_omp_for_static_nochunk,
613         expand_omp_for_static_chunk, expand_omp_sections,
614         lower_omp_single_copy, lower_omp_for_lastprivate,
615         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
616         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
617         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
618         Likewise.
620 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
622         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
623         config/sh/sh.md: Follow spelling conventions.
625         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
626         config/frv/predicates.md: Follow spelling conventions.
628         * config/m68k/linux-unwind.h: Fix a comment typo.
629         * target.h: Follow spelling conventions.
631 2007-02-18  Roger Sayle  <roger@eyesopen.com>
633         PR rtl-optimization/28173
634         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
635         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
636         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
637         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
638         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
640 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
642         * builtins.c (fold_builtin_load_exponent): New.
643         (fold_builtin_2): Use it.
645 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
647         PR rtl-optimization/30773
648         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
649         if we fail to attach a REG_EQUIV note.
651 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
652             Roger Sayle  <roger@eyesopen.com>
654         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
656 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
658         * calls.c (initialize_argument_information): Pass original EXP
659         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
660         code to split complex arguments here, as part of initializing the
661         ARGS array.
662         (expand_call): Remove code that builds a list of arguments and
663         inserts implicit arguments into it.  Instead, just count how many
664         implicit arguments there will be so we can determine the size of
665         the ARGS array, and let initialize_argument_information do the work.
666         (split_complex_values): Delete unused function.
668 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
670         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
672 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
674         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
675         for arg pointer based indexed addressing.
677 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
679         * config/ia64/ia64.h, config/ia64/ia64.md,
680         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
681         spelling conventions.
683 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
685         * config/m68k/m68k.c (split_di): New.
686         * config/m68k/m68k-protos.h: Declare split_di.
687         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
688           Improve predicate handling and split constant shifts.
690 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
692         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
693         parameter for register bitfield operations, general predicates
694         cleanup
696 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
698         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
699         * config/m68k/linux-unwind.h: New file.
701 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
703         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
704         config/i386/athlon.md, config/ia64/ia64.md,
705         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
706         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
707         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
708         tree-ssa-loop-niter.c, tree-vect-analyze.c,
709         tree-vect-transform.c: Fix comment typos.
711 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
713         * sched-deps.c (find_insn_list): Remove.
714         * sched-int.h: Remove the prototype for find_insn_list.
716 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
718         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
719         to linker.
720         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
721         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
722         darwin_rs6000_override_options.
723         (C_COMMON_OVERRIDE_OPTIONS): Expect
724         darwin_macosx_version_min to be non-NULL always.
725         (TARGET_C99_FUNCTIONS): Likewise.
726         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
727         (DARWIN_MINVERSION_SPEC): New.
728         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
729         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
730         to cc1*.
731         (DARWIN_MINVERSION_SPEC): New.
732         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
733         value.
734         * config/darwin-c.c (darwin_cpp_builtins): Expect
735         darwin_macosx_version_min to be non-NULL always.
737         * config/rs6000/rs6000.c: Clean up trailing whitespace.
739 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
741         * config/i386/i386.h (x86_use_xchgb): New.
742         (TARGET_USE_XCHGB): New macro.
743         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
744         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
745         Split after reload into bswaphi for shifts of 8.
746         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
747         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
748         or when optimizing for size.
750 2007-02-16  Richard Guenther  <rguenther@suse.de>
751             Christian Bruel  <christian.bruel@st.com>
753         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
754         DECLs but prefer SSA_NAMEs over DECLs.
756 2007-02-16  Richard Guenther  <rguenther@suse.de>
758         * tree-flow-inline.h (single_imm_use_p): Remove.
759         (zero_imm_uses_p): Likewise.
760         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
761         instead of single_imm_use_p.
762         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
763         zero_imm_uses_p.
765 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
767         PR other/27843
768         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
769         nested double- and backquotes.
771 2007-02-15  Roger Sayle  <roger@eyesopen.com>
773         PR middle-end/30391
774         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
775         should be unreachable.
776         (build2_stat): Allow construction of MODIFY_EXPR at any time.
777         For the time being redirect GIMPLE_MODIFY_STMT to the new
778         (renamed) build_gimple_modify_stmt_stat.
779         (build2_gimple_stat): Rename to...
780         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
781         Always build a GIMPLE_MODIFY_STMT node.
782         * tree.h (build2_gimple, build2_gimple_stat): Delete.
783         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
784         declarations.
786         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
787         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
788         * tree-complex.c (set_component_ssa_name, expand_complex_move,
789         expand_complex_div_wide): Likewise.
790         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
791         * tree-ssa-loop-im.c (schedule_sm): Likewise.
792         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
793         * tree-ssa-loop-manip.c (create_iv): Likewise.
794         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
795         abs_replacement): Likewise.
796         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
797         realify_fake_stores): Likewise.
799         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
800         node rather than a GIMPLE_MODIFY_STMT node.
801         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
802         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
803         Likewise.
804         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
805         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
806         GIMPLE_MODIFY_STMT.
808 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
810         PR middle-end/30433
811         * fold-const.c (fold_comparison): Add back the
812         folding of constant complex comparisions.
814 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
816         PR middle-end/30729
817         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
818         effects unknown to this function, return early.
820 2007-02-15  Ian Lance Taylor  <iant@google.com>
822         * lower-subreg.c (move_eh_region_note): New static function.
823         (resolve_simple_move): Call it.
824         (decompose_multiword_subregs): Track blocks for which we resolve a
825         simple move which is also a control flow insn.  Pass them to
826         find_many_sub_basic_blocks.
827         (pass_lower_subreg): Add TODO_verify_flow.
828         (pass_lower_subreg2): Likewise.
830 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
831             Brooks Moses  <brooks.moses@codesourcery.com>
832             Lee Millward  <lee.millward@codesourcery.com>
834         * tree.h (enum tree_code_class): Add tcc_vl_exp.
835         (VL_EXP_CLASS_P): New.
836         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
837         TREE_CODE_LENGTH.
838         (TREE_OPERAND_CHECK_CODE): Likewise.
839         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
840         (TREE_RTL_OPERAND_CHECK): Likewise.
841         (tree_operand_check_failed): Make second parameter the whole tree
842         instead of its code.  Fixed callers.
843         (VL_EXP_CHECK): New.
844         (TREE_OPERAND_LENGTH): New.
845         (VL_EXP_OPERAND_LENGTH): New.
846         (CALL_EXPR_FN): New.
847         (CALL_EXPR_STATIC_CHAIN): New.
848         (CALL_EXPR_ARGS): New.
849         (CALL_EXPR_ARG): New.
850         (call_expr_nargs): New.
851         (CALL_EXPR_ARGP): New.
852         (build_nt_call_list): Declare.
853         (build_vl_exp_stat): Declare.
854         (build_vl_exp): New.
855         (build_call_list): Declare.
856         (build_call_nary): Declare.
857         (build_call_valist): Declare.
858         (build_call_array): Declare.
859         (call_expr_arg): Declare.
860         (call_expr_argp): Declare.
861         (call_expr_arglist): Declare.
862         (fold_build_call_list): Declare.
863         (fold_build_call_list_initializer): Declare.
864         (fold_call_expr): Declare to replace fold_builtin.
865         (fold_builtin_fputs): Update to agree with modified definition.
866         (fold_builtin_strcpy): Likewise.
867         (fold_builtin_strncpy): Likewise.
868         (fold_builtin_memory_chk): Likewise.
869         (fold_builtin_stxcpy_chk): Likewise.
870         (fold_builtin_strncpy_chk): Likewise.
871         (fold_builtin_next_arg): Likewise.
872         (fold_build_call_expr): Declare.
873         (fold_builtin_call_list): Declare.
874         (fold_builtin_call_valist): Declare.
875         (build_call_expr): Declare.
876         (validate_arglist): Update to agree with modified definition.
877         (tree_operand_length): New.
878         (call_expr_arg_iterator): New.
879         (init_call_expr_arg_iterator): New.
880         (next_call_expr_arg): New.
881         (first_call_expr_arg): New.
882         (more_call_expr_args_p): New.
883         (FOR_EACH_CALL_EXPR_ARG): New.
885         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
886         and tcc_gimple_stmt.
887         (tree_code_size): Update documentation.  Use sizeof (tree) rather
888         than sizeof (char *).
889         (tree_size): Likewise.  Add case for tcc_vl_exp.
890         (tree_node_structure): Add case for tcc_vl_exp.
891         (contains_placeholder_p): Likewise.
892         (substitute_in_expr): Likewise.
893         (substitute_placeholder_in_expr): Likewise.
894         (stabilize_reference_1): Likewise.
895         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
896         to diagnose breakage of this interface for constructing CALL_EXPRs.
897         (build_nt): Add similar assertion here.
898         (build_nt_call_list): New.
899         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
900         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
901         TREE_CODE_LENGTH.
902         (get_callee_fndecl): Use new CALL_EXPR accessors.
903         (tree_operand_check_failed): Change parameters to pass entire node
904         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
905         (process_call_operands): New.
906         (build_vl_exp_stat): New.
907         (build_call_list): New.
908         (build_call_nary): New.
909         (build_call_valist): New.
910         (build_call_array): New.
911         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
912         (call_expr_arglist): New.
914         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
915         tcc_vl_exp instead of a fixed-size tcc_expression.
917         * doc/c-tree.texi (CALL_EXPR): Document new representation and
918         accessors for CALL_EXPRs.
919         (AGGR_INIT_EXPR): Likewise.
921 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
922             Brooks Moses  <brooks.moses@codesourcery.com>
923             Lee Millward  <lee.millward@codesourcery.com>
925         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
926         (expand_builtin_nonlocal_goto): Change parameter to be entire
927         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
928         (expand_builtin_prefetch): Likewise.
929         (expand_builtin_classify_type): Likewise.
930         (mathfn_built_in): Return NULL_TREE instead of 0.
931         (expand_errno_check): Use new CALL_EXPR accessors.
932         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
933         Return NULL_RTX instead of 0.
934         (expand_builtin_mathfn_2): Likewise.
935         (expand_builtin_mathfn_3): Likewise.
936         (expand_builtin_interclass_mathfn): Likewise.
937         (expand_builtin_sincos): Likewise.
938         (expand_builtin_cexpi): Likewise.
939         (expand_builtin_int_roundingfn): Likewise.
940         (expand_builtin_int_roundingfn_2): Likewise.
941         (expand_builtin_pow): Likewise.
942         (expand_builtin_powi): Likewise.
943         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
944         of arglist, fixing callers appropriately.  Use new CALL_EXPR
945         accessors and constructors.  Return NULL_RTX instead of 0.
946         (expand_builtin_strstr): Likewise.
947         (expand_builtin_strchr): Likewise.
948         (expand_builtin_strrchr): Likewise.
949         (expand_builtin_strpbrk): Likewise.
950         (expand_builtin_memcpy): Likewise.
951         (expand_builtin_mempcpy): Likewise.
952         (expand_builtin_mempcpy_args): New.
953         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
954         (expand_builtin_memmove_args): New.
955         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
956         (expand_movstr): Likewise.
957         (expand_builtin_strcpy): Likewise.
958         (expand_builtin_strcpy_args): New.
959         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
960         (expand_builtin_strncpy): Likewise.
961         (expand_builtin_memset): Likewise.
962         (expand_builtin_memset_args): New.
963         (expand_builtin_bzero): Similarly to expand_builtin_memset.
964         (expand_builtin_memcmp): Likewise.
965         (expand_builtin_strcmp): Likewise.
966         (expand_builtin_strncmp): Likewise.
967         (expand_builtin_strcat): Likewise.
968         (expand_builtin_strncat): Likewise.
969         (expand_builtin_strspn): Likewise.
970         (expand_builtin_strcspn): Likewise.
971         (expand_builtin_args_info): Likewise.
972         (expand_builtin_va_start): Likewise.
973         (gimplify_va_arg_expr): Likewise.
974         (expand_builtin_va_end): Likewise.
975         (expand_builtin_va_copy): Likewise.
976         (expand_builtin_frame_address): Likewise.
977         (expand_builtin_alloca): Likewise.
978         (expand_builtin_bswap): Likewise.
979         (expand_builtin_unop): Likewise.
980         (expand_builtin_fputs): Likewise.
981         (expand_builtin_expect): Likewise.
982         (expand_builtin_fabs): Likewise.
983         (expand_builtin_copysign): Likewise.
984         (expand_builtin_printf): Likewise.
985         (expand_builtin_fprintf): Likewise.
986         (expand_builtin_sprintf): Likewise.
987         (expand_builtin_init_trampoline): Likewise.
988         (expand_builtin_signbit): Likewise.
989         (expand_builtin_fork_or_exec): Likewise.
990         (expand_builtin_sync_operation): Likewise.
991         (expand_builtin_compare_and_swap): Likewise.
992         (expand_builtin_lock_test_and_set): Likewise.
993         (expand_builtin_lock_release): Likewise.
994         (expand_builtin): Likewise.
995         (builtin_mathfn_code): Likewise.
997         (fold_builtin_constant_p): Pass call arguments individually instead
998         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
999         accessors and constructors.  Return NULL_TREE instead of 0.
1000         (fold_builtin_expect): Likewise.
1001         (fold_builtin_classify_type): Likewise.
1002         (fold_builtin_strlen): Likewise.
1003         (fold_builtin_nan): Likewise.
1004         (integer_valued_real_p): Likewise.
1005         (fold_trunc_transparent_mathfn): Likewise.
1006         (fold_fixed_mathfn): Likewise.
1007         (fold_builtin_cabs): Likewise.
1008         (fold_builtin_sqrt): Likewise.
1009         (fold_builtin_cbrt): Likewise.
1010         (fold_builtin_cos): Likewise.
1011         (fold_builtin_cosh): Likewise.
1012         (fold_builtin_tan): Likewise.
1013         (fold_builtin_sincos): Likewise.
1014         (fold_builtin_cexp): Likewise.
1015         (fold_builtin_trunc): Likewise.
1016         (fold_builtin_floor): Likewise.
1017         (fold_builtin_ceil): Likewise.
1018         (fold_builtin_round): Likewise.
1019         (fold_builtin_int_roundingfn): Likewise.
1020         (fold_builtin_bitop): Likewise.
1021         (fold_builtin_bswap): Likewise.
1022         (fold_builtin_logarithm): Likewise.
1023         (fold_builtin_hypot): Likewise.
1024         (fold_builtin_pow): Likewise.
1025         (fold_builtin_powi): Likewise.
1026         (fold_builtin_exponent): Likewise.
1027         (fold_builtin_memset): Likewise.
1028         (fold_builtin_bzero): Likewise.
1029         (fold_builtin_memory_op): Likewise.
1030         (fold_builtin_bcopy): Deleted; call site changed to invoke
1031         fold_builtin_memory_op directly.
1032         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
1033         (fold_builtin_strncpy): Likewise.
1034         (fold_builtin_memcmp): Likewise.
1035         (fold_builtin_strcmp): Likewise.
1036         (fold_builtin_strncmp): Likewise.
1037         (fold_builtin_signbit): Likewise.
1038         (fold_builtin_copysign): Likewise.
1039         (fold_builtin_isascii): Likewise.
1040         (fold_builtin_toascii): Likewise.
1041         (fold_builtin_isdigit): Likewise.
1042         (fold_builtin_fabs): Likewise.
1043         (fold_builtin_abs): Likewise.
1044         (fold_builtin_fmin_fmax): Likewise.
1045         (fold_builtin_carg): Likewise.
1046         (fold_builtin_classify): Likewise.
1047         (fold_builtin_unordered_cmp): Likewise.
1049         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
1050         New functions split out from fold_builtin_1.
1051         (fold_builtin_n): New.
1052         (fold_builtin_varargs): New.
1053         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
1054         instead.
1055         (fold_call_expr): New.
1056         (build_function_call_expr): Rewrite to use new helper function.
1057         (fold_builtin_call_list): New.
1058         (build_call_expr): New.
1059         (fold_builtin_call_valist): New.
1060         (rewrite_call_expr): New.
1061         (validate_arg): New.
1062         (validate_arglist): Change parameter to be entire CALL_EXPR instead
1063         of an arglist.  Change return type to bool.  Use new CALL_EXPR
1064         accessors.
1066         (fold_builtin_strstr):  Pass call arguments individually instead
1067         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1068         accessors and constructors.  Return NULL_TREE instead of 0.
1069         (fold_builtin_strchr): Likewise.
1070         (fold_builtin_strrchr): Likewise.
1071         (fold_builtin_strpbrk): Likewise.
1072         (fold_builtin_strcat): Likewise.
1073         (fold_builtin_strncat): Likewise.
1074         (fold_builtin_strspn): Likewise.
1075         (fold_builtin_strcspn): Likewise.
1076         (fold_builtin_fputs): Likewise.
1077         (fold_builtin_next_arg): Likewise.
1078         (fold_builtin_sprintf): Likewise.
1080         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
1081         NULL_RTX instead of 0.
1082         (expand_builtin_memory_chk): Likewise.
1083         (maybe_emit_chk_warning): Likewise.
1084         (maybe_emit_sprintf_chk_warning): Likewise.
1086         (fold_builtin_object_size): Pass call arguments individually instead
1087         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1088         accessors and constructors.  Return NULL_TREE instead of 0.
1089         (fold_builtin_memory_chk): Likewise.
1090         (fold_builtin_stxcpy_chk): Likewise.
1091         (fold_builtin_strncpy_chk): Likewise.
1092         (fold_builtin_strcat_chk): Likewise.
1093         (fold_builtin_strcat_chk): Likewise.
1094         (fold_builtin_strncat_chk): Likewise.
1095         (fold_builtin_sprintf_chk): Likewise.
1096         (fold_builtin_snprintf_chk): Likewise.
1097         (fold_builtin_printf): Likewise.
1098         (fold_builtin_vprintf): Likewise.
1100         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
1101         constructors.
1102         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
1103         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1104         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
1105         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
1106         (fold_unary): Likewise.
1107         (fold_binary): Likewise.
1108         (fold_ternary): Remove CALL_EXPR case, since they are no longer
1109         ternary expressions.
1110         (fold): Add logic for tcc_vl_exp.
1111         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
1112         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1113         (fold_build3_stat): Add assertion to flag broken interface for
1114         constructing CALL_EXPRs.
1115         (fold_build_call_list): New.
1116         (fold_build_call_list_initializer): New.
1117         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
1118         constructors.
1119         (fold_strip_sign_ops): Likewise.
1121 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1122             Brooks Moses  <brooks.moses@codesourcery.com>
1123             Lee Millward  <lee.millward@codesourcery.com>
1125         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
1126         accessors and dump arguments explicitly.
1128         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
1129         TREE_CODE_LENGTH.
1130         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
1131         explicitly.
1132         (print_call_name): Use new CALL_EXPR accessors.
1134         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
1135         CALL_EXPR arguments explicitly instead of as a list.  Use
1136         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1138         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
1139         (vrp_visit_stmt): Likewise.
1141         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
1142         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
1143         TREE_CODE_LENGTH.
1144         (force_move_till_expr): Likewise.
1146         * targhooks.c (default_external_stack_protect_fail): Use
1147         build_call_expr instead of build_function_call_expr.
1148         (default_hidden_stack_protect_fail): Likewise.
1150         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
1151         build the call.
1153         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
1154         and walk arguments explicitly.
1156         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
1157         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1158         (expand_simple_operations): Likewise.
1159         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
1161         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
1162         of TREE_CODE_LENGTH.
1163         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
1165         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
1166         instead of TREE_CODE_LENGTH.
1168         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
1169         (tree_ic_transform): Likewise.
1170         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
1171         parameter instead of arglist.  Fix callers.
1172         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
1173         (tree_stringops_transform): Likewise.
1174         (tree_indirect_call_to_profile): Likewise.
1175         (tree_stringops_values_to_profile): Likewise.
1177         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
1178         (eliminate_tail_call): Likewise.
1180         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
1182         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1183         Use TREE_OPERAND_LENGTH and generalize to handle any number of
1184         operands.
1185         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1187         * omp-low.c (build_omp_barrier): Use build_call_expr.
1188         (lower_rec_input_clauses): Likewise.
1189         (lower_reduction_clauses): Likewise.
1190         (expand_parallel_call): Likewise.
1191         (maybe_catch_exception): Likewise.
1192         (expand_omp_for_generic): Likewise.
1193         (expand_omp_for_static_nochunk): Likewise.
1194         (expand_omp_sections): Likewise.
1195         (lower_omp_single_simple): Likewise.
1196         (lower_omp_single_copy): Likewise.
1197         (lower_omp_master): Likewise.
1198         (lower_omp_ordered): Likewise.
1199         (lower_omp_critical): Likewise.
1201         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1202         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1204         * tree-gimple.c (is_gimple_call_addr): Fix doc.
1205         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1206         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
1208         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1209         and generalize to handle any number of operands.
1210         (chrec_contains_undetermined): Likewise.
1211         (tree_contains_chrecs): Likewise.
1212         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1214         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1216         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
1217         fold_call_expr instead of fold_builtin.
1218         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
1219         match declarations there.
1220         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
1221         updates.
1223         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1224         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1226         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1227         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1229         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1230         accessors.
1232         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1233         (execute_cse_sincos): Use new CALL_EXPR accessors.
1235         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1237         * gimple-low.c (lower_function_body): Use build_call_expr.
1238         (lower_builtin_setjmp): Likewise.
1240         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1241         (set_storage_via_libcall): Likewise.
1242         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
1243         instead of TREE_CODE_LENGTH.
1244         (expand_expr_real_1): Use new CALL_EXPR accessors.
1246         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1247         generalize to handle any number of operands.
1248         (TB_parent_eq): Likewise.
1250         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1251         (strip_builtin_expect): Likewise.
1253         * function.c (gimplify_parameters): Use build_call_expr.
1255         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1256         instead of TREE_CODE_LENGTH.
1258         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1259         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1261         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1262         iterators.
1264         * gimplify.c (build_stack_save_restore): Use build_call_expr.
1265         (gimplify_decl_expr): Likewise.
1266         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1267         Use new CALL_EXPR iterators.
1268         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1269         (gimplify_modify_expr_to_memset): Likewise.
1270         (gimplify_variable_sized_compare): Likewise.
1271         (gimplify_omp_atomic_fetch_op): Likewise.
1272         (gimplify_omp_atomic_pipeline): Likewise.
1273         (gimplify_omp_atomic_mutex): Likewise.
1274         (gimplify_function_tree): Likewise.
1276         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1277         (call_expr_flags): Likewise.
1278         (expand_call): Likewise.
1280         * except.c (expand_builtin_eh_return_data_regno): Pass entire
1281         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1282         accessors.
1284         * coverage.c (create_coverage): Use build_call_expr.
1286         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1287         (temp_call_expr_obstack): New.
1288         (pool_copy_list): Delete.
1289         (temp_copy_call_expr): New.
1290         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
1291         CALL_EXPR accessors.  Get rid of special goo for copying argument
1292         lists and use temp_copy_call_expr instead.
1293         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
1294         CALL_EXPR accessors.
1295         (create_expression_by_pieces): Likewise.  Use build_call_array
1296         to construct the result instead of fold_build3.
1297         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
1298         dealing with argument lists.
1299         (init_pre): Remove references to expression_node_pool and
1300         list_node_pool.  Init temp_call_expr_obstack instead.
1301         (fini_pre): Remove references to expression_node_pool and
1302         list_node_pool.
1304         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1305         and walk arguments explicitly instead of as a list.
1307         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1308         (mx_register_decls): Likewise.
1309         (mudflap_register_call): Likewise.
1310         (mudflap_finish_file): Likewise.
1312         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1313         (ipa_callsite_compute_param): Likewise.
1315         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1316         accessors and constructor.
1318         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1319         accessors and constructor.
1320         (convert_tramp_reference): Likewise.
1321         (convert_call_expr): Likewise.
1322         (finalize_nesting_tree_1): Likewise.
1324         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1325         accessors.
1327         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1329         * tree-inline.c (initialize_inlined_parameters): Pass entire
1330         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1331         accessors.
1332         (estimate_num_insns_1): Use new CALL_EXPR accessors.
1333         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1335         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
1336         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1337         (vectorizable_reduction): Likewise.
1338         (vectorizable_call): Use new CALL_EXPR iterators.
1339         (vectorizable_conversion): Use build_call_expr.
1340         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1341         (vect_gen_widened_results_half): Use build_call_expr.
1342         (vect_setup_realignment): Likewise.
1343         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1345         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1346         (pass_through_call): Likewise.
1347         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
1348         fold_builtin.
1350         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1351         (tree_gen_pow2_profiler): Likewise.
1352         (tree_gen_one_value_profiler): Likewise.
1353         (tree_gen_ic_func_profiler): Likewise.
1354         (tree_gen_average_profiler): Likewise.
1355         (tree_gen_ior_profiler): Likewise.
1357         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1358         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1359         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1361         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1362         of TREE_CODE_LENGTH.
1364         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1365         of TREE_CODE_LENGTH.
1367         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1368         constructor.
1369         (convert_to_integer): Likewise.
1371         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1372         accessors.
1374 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1375             Brooks Moses  <brooks.moses@codesourcery.com>
1376             Lee Millward  <lee.millward@codesourcery.com>
1378         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1379         accessors.
1380         * config/frv/frv.c (frv_expand_builtin): Likewise.
1381         * config/s390/s390.c (s390_expand_builtin): Likewise.
1383         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1384         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1386         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1387         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1388         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1389         (ix86_expand_store_builtin): Likewise.
1390         (ix86_expand_unop_builtin): Likewise.
1391         (ix86_expand_unop1_builtin): Likewise.
1392         (ix86_expand_sse_compare): Likewise.
1393         (ix86_expand_sse_comi): Likewise.
1394         (ix86_expand_vec_init_builtin): Likewise.
1395         (ix86_expand_vec_ext_builtin): Likewise.
1396         (ix86_expand_vec_set_builtin): Likewise.
1397         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1399         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1400         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1402         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1403         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1404         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1406         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1407         build_call_expr.
1408         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1409         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1410         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1411         (altivec_expand_abs_builtin): Likewise.
1412         (rs6000_expand_binop_builtin): Likewise.
1413         (altivec_expand_predicate_builtin): Likewise.
1414         (altivec_expand_lv_builtin): Likewise.
1415         (spe_expand_stv_builtin): Likewise.
1416         (altivec_expand_stv_builtin): Likewise.
1417         (rs6000_expand_ternop_builtin): Likewise.
1418         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1419         (altivec_expand_st_builtin): Likewise.
1420         (altivec_expand_dst_builtin): Likewise.
1421         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1422         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1423         (altivec_expand_vec_set_builtin): Likewise.
1424         (altivec_expand_vec_ext_builtin): Likewise.
1425         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1426         (spe_expand_builtin): Likewise.
1427         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1428         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1429         (spe_expand_evsel_builtin): Likewise.
1430         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1431         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1433         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1434         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1435         (arm_expand_unop_builtin): Likewise.
1436         (arm_expand_builtin): Use new CALL_EXPR accessors.
1438         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1439         accessors.
1441         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1442         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1443         (bfin_expand_unop_builtin): Likewise.
1444         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1446 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1447             Brooks Moses  <brooks.moses@codesourcery.com>
1448             Lee Millward  <lee.millward@codesourcery.com>
1450         * c-semantics.c (build_stmt): Add internal diagnostic check.
1452         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1453         accessors.  Print arguments explicitly instead of as a list.
1455         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1457         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1458         (c_finish_omp_flish): Likewise.
1460         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1461         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1462         instead of TREE_CODE_LENGTH.
1463         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1464         (c_warn_unused_result): Likewise.
1466 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1468         PR c/26494
1469         * doc/invoke.texi (Warning Options): Remove
1470         -Werror-implicit-function-declaration.
1471         (Wimplicit-function-declaration): Update description.
1472         * opts.c (common_handle_option): Move handling of -Werror=* to...
1473         (enable_warning_as_error): ...here.
1474         * opts.h (enable_warning_as_error): Declare.
1475         * c-decl.c (implicit_decl_warning): Unless
1476         -Wno-implicit-function-declaration is given, emit a pedwarn if
1477         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1478         * c.opt (Wimplicit-function-declaration): Replace
1479         mesg_implicit_function_declaration with
1480         warn_implicit_function_declaration.
1481         * c-opts.c (c_common_handle_option):
1482         -Werror-implicit-function-declaration is exactly equal as
1483         -Werror=implicit-function-declaration.
1484         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1485         warn_implicit_function_declaration.
1486         (c_common_post_options): -Wimplict-function-declaration is enabled
1487         by default by -std=c99, otherwise is disabled by default.
1488         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1490 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1492         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1493         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1494         former is ignored but not the latter.
1496 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1498         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1499         is made and the reference doesn't use the alias set of its type,
1500         do not create the temporary using that type.
1502 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1504         * jump.c: Remove prototypes for delete_computation and
1505         delete_prior_computation.
1507 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1509         * jump.c (get_label_after): Delete.
1510         (get_label_before, delete_computation, delete_jump,
1511         delete_prior_computation, follow_jumps): Move...
1512         * reorg.c (delete_computation, delete_prior_computation): ... here...
1513         (get_label_before, delete_jump): ... making these static ...
1514         (follow_jumps): ... and simplifying this since it only runs after
1515         reload.
1516         * rtl.h (get_label_after, get_label_before, delete_jump,
1517         follow_jumps): Delete prototypes.
1519 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1521         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1523 2007-02-15  Nick Clifton  <nickc@redhat.com>
1525         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1526         order to prevent it from being munged by the target.
1528 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1530         * config/i386/i386.md: Remove misleading comment.
1532 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1534         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1535         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1536         invalid patterns.
1538 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1540         * tree-sra.c (instantiate_missing_elements): Canonicalize
1541         bit-field types.
1542         (sra_build_assignment): New.
1543         (generate_copy_inout, generate_element_copy,
1544         generate_element_zero, generate_one_element_init): Use it.
1546 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1548         * tree-sra.c (instantiate_missing_elements): Canonicalize
1549         bit-field types.
1550         (sra_build_assignment): New.
1551         (generate_copy_inout, generate_element_copy,
1552         generate_element_zero, generate_one_element_init): Use it.
1554 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1556         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1557         limbo die nodes.
1559 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1561         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1562         types as aggregates not scalars.
1563         * function.c (assign_stack_temp_for_type): Likewise.
1565 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1566             Zdenek Dvorak  <dvorakz@suse.cz>
1568         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1569         name.
1571 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1573         * passes.c (next_pass_1): Clear the next field of the copied
1574         pass structure.
1576 2007-02-14  Richard Henderson  <rth@redhat.com>
1578         * tree-sra.c (early_sra): New.
1579         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1580         (tree_sra_early, pass_sra_early): New.
1581         * tree-pass.h (pass_sra_early): Declare.
1582         * passes.c (init_optimization_passes): Use it.
1584 2007-02-14  Richard Guenther  <rguenther@suse.de>
1586         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1588 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1590          PR tree-optimization/30771
1591         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1592         also phi nodes.
1593         (vect_analyze_operations): Induction phis can now be marked as
1594         used_in_loop.
1595         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1596         Update documentation accordingly.
1598 2007-02-14  Nick Clifton  <nickc@redhat.com>
1600         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1601         most 3 arguments are supported.
1602         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1604 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1606         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1607         Ensure dst->current is valid.
1609 2007-02-13  Paul Brook  <paul@codesourcery.com>
1611         * config.gcc: Add arm*-*-uclinux-*eabi.
1612         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1613         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1614         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1615         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1616         (LINK_SPEC): Define.
1617         (LIB_SPEC): Define.
1618         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1619         register.
1620         * config/arm/uclinux-eabi.h: New file.
1621         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1622         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1623         based targets.
1625 2007-02-13  Ian Lance Taylor  <iant@google.com>
1627         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1628         * flags.h (warn_strict_overflow): Declare.
1629         (enum warn_strict_overflow_code): Define.
1630         (issue_strict_overflow_warning): New static inline function.
1631         * opts.c (warn_strict_overflow): New variable.
1632         (common_handle_option): Handle OPT_Wstrict_overflow and
1633         OPT_Wstrict_overflow_.
1634         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1635         OPT_Wall.
1636         * fold-const.c: Include intl.h.
1637         (fold_deferring_overflow_warnings): New static variable.
1638         (fold_deferred_overflow_warning): New static variable.
1639         (fold_deferred_overflow_code): New static variable.
1640         (fold_defer_overflow_warnings): New function.
1641         (fold_undefer_overflow_warnings): New function.
1642         (fold_undefer_and_ignore_overflow_warnings): New function.
1643         (fold_deferring_overflow_warnings_p): New function.
1644         (fold_overflow_warning): New static function.
1645         (make_range): Add strict_overflow_p parameter.  Change all
1646         callers.
1647         (extract_muldiv, extract_muldiv_1): Likewise.
1648         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1649         tree_expr_nonnegative_p.
1650         (fold_negate_expr): Call fold_overflow_warning.
1651         (fold_range_test): Likewise.
1652         (fold_comparison): Likewise.
1653         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1654         instead of tree_expr_nonnegative_p.
1655         (tree_expr_nonnegative_warnv_p): Rename from
1656         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1657         (tree_expr_nonnegative_p): New function.
1658         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1659         strict_overflow_p parameter.
1660         (tree_expr_nonzero_p): New function.
1661         * passes.c (verify_interpass_invariants): New static function.
1662         (execute_one_pass): Call it.
1663         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1664         warnings.
1665         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1666         (estimate_numbers_of_iterations): Likewise.
1667         (scev_probably_wraps_p): Likewise.
1668         * tree-ssa-ccp.c: Include "toplev.h".
1669         (evaluate_stmt): Defer fold overflow warnings until we know we are
1670         going to optimize.
1671         (struct fold_stmt_r_data): Add stmt field.
1672         (fold_stmt_r): Defer fold overflow warnings until we know we
1673         optimized.
1674         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1675         (fold_stmt_inplace): Likewise.
1676         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1677         (cleanup_control_expr_graph): Defer fold overflow warnings until
1678         we know we are going to optimize.
1679         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1680         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1681         Likewise.
1682         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1683         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1684         * tree-ssa-loop-manip.c (create_iv): Likewise.
1685         * c-typeck.c (build_conditional_expr): Likewise.
1686         (build_binary_op): Likewise.
1687         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1688         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1689         (extract_range_from_unary_expr): Likewise.
1690         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1691         assuming that signed overflow does not occur.
1692         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1693         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1694         (fold_defer_overflow_warnings): Declare.
1695         (fold_undefer_overflow_warnings): Declare.
1696         (fold_undefer_and_ignore_overflow_warnings): Declare.
1697         (fold_deferring_overflow_warnings_p): Declare.
1698         (tree_expr_nonzero_warnv_p): Declare.
1699         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1700         of warning options.
1701         (Warning Options): Document -Wstrict-overflow.
1702         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1703         (tree-ssa-ccp.o): Likewise.
1704         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1705         (fold-const.o): Depend on intl.h.
1707 2007-02-13  Ian Lance Taylor  <iant@google.com>
1709         PR middle-end/30751
1710         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1711         addresses.
1713 2007-02-13  Stuart Hastings  <stuart@apple.com>
1715         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1717 2007-02-13  Richard Henderson  <rth@redhat.com>
1719         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1720         handled_component_p before looking for the indirect_ref.
1722 2007-02-13  Richard Henderson  <rth@redhat.com>
1724         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1725         remove flags clobber.
1726         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1727         (bswaphi_lowpart): New.
1728         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1729         remove TARGET_BSWAP test.  Delete expander of the same name.
1731         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1732         (expand_unop): Use them.
1734 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1736         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1737         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1738         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1739         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1740         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1741         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1742         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1743         assembler dialect choice from asm templates.
1745 2007-02-12  Richard Henderson  <rth@redhat.com>
1747         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1748         (fixuns_trunc<SSEMODEF>si2): Use it.
1749         * config/i386/sse.md (vec_setv4sf_0): Export.
1750         * config/i386/i386.c (ix86_build_const_vector): Export.
1751         (ix86_split_convert_uns_si_sse): Rename from
1752         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1753         * config/i386/i386-protos.h: Update.
1755 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1757         PR c/29521
1758         * c-typeck.c (c_finish_return): Improve warning message.
1760 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1762         * alias.c (find_symbolic_term): Delete unused function.
1764 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1766         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1767         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1768         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1770 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1772         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1773         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1774         the function, temporarily point the debug interface to the null one.
1776 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1778         * dwarf2out.c (round_up_to_align): New static function.
1779         (field_byte_offset): Use it to round the offset.
1781 2007-02-12  Richard Henderson  <rth@redhat.com>
1783         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1784         (inswl_const): Export.
1786 2007-02-12  Richard Henderson  <rth@redhat.com>
1788         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1789         result mode of the libcall, convert back to outmode.
1791 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1793         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1794         (bswapdi2): New define_expand to implement 32-bit implementation.
1796 2007-02-12  Nick Clifton  <nickc@redhat.com>
1798         * doc/invoke.texi (Overall Options): Document --help=.
1799         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1800         (cc1_options): Pass --help= on to cc1.
1801         (display_help): Add description of --help=.
1802         (process_command): Add code to handle --help=.  Allow translated
1803         --help and --target-help switches to be passed on to compiler
1804         sub-process.
1805         (main): Remove unused if statement.
1806         * opts.c (columns): Remove.
1807         (LEFT_COLUMN): Define.
1808         (wrap_help): Add columns argument.
1809         (print_filtered_help): Change parameters to be an include bitmask,
1810         an exclude bitmask, an any bitmask and the column width.  Move the
1811         code to display the params list here.  Add code to display the
1812         status of options rather than their descriptions if the quiet flag
1813         is not active.
1814         (print_specific_help): Change parameters to be an include bitmask,
1815         an exclude bitmask and an any bitmask.  Move code to look up the
1816         column width here.  Decide upon the title for an options listing.
1817         (common_handle_options): Add code to handle --help=.  Adapt code
1818         for --help and --target-help to use the revised form of the
1819         print_specific_help function.
1820         (print_help): Delete.
1821         (print_param_help): Delete.
1822         (print_switch): Delete.
1823         * opts.h (cl_lang_count): Add prototype.
1824         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1825         CL_MAX_OPTION_CLASS): New defines.
1826         * optc-gen.awk: Add construction of cl_lang_count.
1827         * c.opt: Add Warning attribute to warning options and Optimization
1828         attribute to optimization options.
1829         * common.opt: Likewise.
1830         Add --help=.
1831         Add -fhelp and -ftarget-help as aliases for the transformed --help
1832         and --target-help options.
1833         * opt-functions.awk: Add code to handle Warning and Optimization
1834         attributes.
1836 2007-02-12  Richard Henderson  <rth@redhat.com>
1838         * config/alpha/constraints.md: New file.
1839         * config/alpha/alpha.c: Include tm-constrs.h.
1840         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1841         alpha_extra_constraint): Remove.
1842         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1843         * config/alpha/alpha-protos.h: Update.
1844         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1845         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1846         (EXTRA_CONSTRAINT): Remove.
1847         * config/alpha/alpha.md: Include constraints.md.
1848         (adddi splitter): Use satisfies_constraint_*.
1849         * config/alpha/predicates.md (add_operand): Likewise.
1850         (sext_add_operand, addition_operation): Likewise.
1852 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1854         PR tree-optimization/29145
1855         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1856         in our handling of restrict qualified pointers.
1858 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1860         PR middle-end/7651
1861         * doc/invoke.texi (Wunused-value): Update description.
1862         (Wextra): Delete item.
1863         * opts.c (set_Wextra): Don't use the value of Wextra to set the
1864         value of Wunused-value.
1865         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1866         (c_finish_stmt_expr): Don't check extra_warnings.
1867         (emit_side_effect_warnings): The caller is responsible to check
1868         warn_unused_value.
1870 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1871             Matt Thomas  <matt@3am-software.com>
1873         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1875 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1877         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1878         comparisons of POPCOUNT against zero.
1879         (simplify_const_relational_operation): Likewise.
1881 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1883         * doc/invoke.texi (Wextra): Delete outdated paragraph.
1885 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1887         * dwarf2out.c (root_type): Delete unused function.
1889 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1891         * genattrtab.c (contained_in_p): Delete unused function.
1892         (write_expr_attr_cache): Likewise.
1894 2007-02-11  Jan Hubicka  <jh@suse.cz>
1896         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1897         previous patch.
1899 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
1901         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
1902         to add the REG_EQ* note.
1903         * see.c (see_merge_one_use_extension): Likewise.
1904         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
1905         turn REG_EQUAL notes into REG_EQUIV notes if the target
1906         register may have more than one set.
1907         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
1908         * gcse.c (try_replace_reg): Likewise.
1909         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
1910         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
1911         more than one REG_EQUIV note.
1912         * reload1.c (gen_reload): Use set_unique_reg_note.
1914 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
1916         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
1917         (ix86_builtin_conversion): New function.
1919 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
1921         PR target/29487
1922         * tree.h (DECL_REPLACEABLE_P): New macro.
1923         * except.c (set_nothrow_function_flags): Likewise.
1925 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
1926             Ira Rosen  <irar@il.ibm.com>
1927             Dorit Nuzman  <dorit@il.ibm.com>
1929         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
1930         * targhooks.c (default_builtin_vectorized_conversion): New.
1931         * targhooks.h (default_builtin_vectorized_function): New declaration.
1932         * target.h (struct vectorize): Add builtin_conversion field.
1933         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
1934         stmt_vec_info_type value.
1935         (vectorizable_conversion): New declaration.
1936         * tree-vect-analyze.c (vect_analyze_operations): Add
1937         vectorizable_conversion call.
1938         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
1939         * tree-vect-transform.c (vectorizable_conversion): New function.
1940         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
1941         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
1942         mode.
1943         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
1944         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
1945         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
1946         or ALTIVEC_BUILTIN_VCFSX.
1948 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
1950         PR target/30634
1951         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
1952         CONST_DOUBLE and operand 0 is a hard register.
1953         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
1954         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
1955         is a hard floating-point register.
1957 2007-02-10  Richard Henderson  <rth@redhat.com>
1958             Jakub Jelinek  <jakub@redhat.com>
1959             Alexandre Oliva  <aoliva@redhat.com>
1961         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
1962         * builtin-types.def (BT_WORD): Make unsigned.
1963         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1964         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1965         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1966         * c-decl.c (grokdeclarator): Don't error if !have_tls.
1967         * c-parser.c (c_parser_omp_threadprivate): Likewise.
1968         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1969         emulated tls.
1970         * expr.c (emutls_var_address): New.
1971         (expand_expr_real_1): Expand emulated tls.
1972         (expand_expr_addr_expr_1): Likewise.
1973         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1974         * output.h (emutls_finish): Declare.
1975         * toplev.c (compile_file): Call it.
1976         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1977         address before wrapping in CONST.
1978         * varasm.c (emutls_htab, emutls_object_type): New.
1979         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1980         (get_emutls_object_name, get_emutls_object_type): New.
1981         (get_emutls_init_templ_addr, emutls_decl): New.
1982         (emutls_common_1, emutls_finish): New.
1983         (assemble_variable): When emulating tls, swap decls; generate
1984         constructor for the emutls objects.
1985         (do_assemble_alias): When emulating tls, swap decl and target name.
1986         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1987         for emulated tls.
1988         * varpool.c (decide_is_variable_needed): Look at force_output.
1989         Recurse for emulated tls.
1990         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
1991         with decide_is_variable_needed.
1992         * emutls.c: New file.
1993         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1994         tls_object for real tls.
1996 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
1998         PR rtl-optimization/29599
1999         * reload1.c (eliminate_regs_in_insn): Take the destination
2000         mode into account when computing the offset.
2002 2007-02-09  Stuart Hastings  <stuart@apple.com>
2003             Richard Henderson  <rth@redhat.com>
2005         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2006         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2007         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
2008         fixuns_truncdfhi2): New.
2009         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
2010         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
2011         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
2012         (floatunssidf2): Allow nonimmediate source.
2013         * gcc/config/i386/sse.md (movdi_to_sse): New.
2014         (vec_concatv2di): Drop '*'.
2015         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
2016         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2017         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
2018         New.
2019         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
2020         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2021         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
2022         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
2023         (ix86_build_signbit_mask): Fix decl of v, refactor to call
2024         ix86_build_const_vector.
2025         (x86_emit_floatuns): Rewrite.
2027 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2029         * genautomata.c (longest_path_length): Delete unused function.
2030         (struct state): Delete unused longest_path_length.
2031         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
2032         (get_free_state): Delete unused.
2034 2007-02-09  Jan Hubicka  <jh@suse.cz>
2036         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
2037         * doc/invoke.texi (inline-unit-growth): Update default value.
2039         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
2040         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
2041         (rebuild_cgraph_edges): Likewise.
2042         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
2043         (dump_cgraph_node): Dump frequencies.
2044         (cgraph_clone_edge): Add frequency scales.
2045         (cgraph_clone_node): Add freuqnecy.
2046         * cgraph.h (cgraph_edge): Add freuqnecy argument.
2047         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
2048         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
2049         * tree-pass.h (TODO_rebuild_frequencies): New constant.
2050         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
2051         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
2052         (save_inline_function_body): Likewise.
2053         * ipa-inline.c: inluce rtl.h
2054         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
2055         (cgraph_edge_badness): Use frequencies.
2056         (cgraph_decide_recursive_inlining): Update clonning.
2057         (cgraph_decide_inlining_of_small_function): Dump frequency.
2058         * predict.c (estimate_bb_frequencies): Export.
2059         * predict.h (estimate_bb_frequencies): Declare.
2060         * tree-inline.c (copy_bb): Watch overflows.
2061         (expand_call_inline): Update call of cgraph_create_edge.
2062         (optimize_inline_calls): Use TODO flags to update frequnecies.
2063         * passes.h: Include predict.h
2064         (init_optimization_passes): Move profile ahead.
2065         (execute_function_todo): Handle TODO_rebuild_frequencies.
2067 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2069         * config/alpha/alpha.c (emit_insxl): Force the first operand of
2070         the insbl or inswl pattern into a register.
2072 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2074         * config/ia64/ia64.md (bswapdi2): New define_insn.
2076 2007-02-09  Richard Henderson  <rth@redhat.com>
2078         * config/i386/constraints.md (Ym): New constraint.
2079         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
2080         (movdi_1_rex64): Split sse and xmm general register moves from
2081         memory move alternatives.  Use conditional register constraints.
2082         (movsf_1, movdf_integer): Likewise.
2083         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
2084         (movdf_integer_rex64): New.
2085         (pushsf_rex64): Fix output constraints.
2086         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
2087         (sse2_stored): Likewise.
2088         (sse2_storeq_rex64): New.
2089         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
2090         amd and not generic.
2091         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
2092         for optimize_size.  Remove SF/DFmode hack.
2094 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2096         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
2097         (bit_SSE4a): New.
2099 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
2100             Richard Sandiford  <richard@codesourcery.com>
2102         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
2103         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
2104         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
2105         m68k/t-mlib to tmake_file.
2106         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
2107         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
2108         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
2109         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
2110         variable is not empty, add t-$m68k_arch_family to tmake_file.
2111         Add t-mlibs to tmake_file.
2112         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
2113         * config/m68k/t-cf: New file.
2114         * config/m68k/t-m68k: Likewise.
2115         * config/m68k/t-mlibs: Likewise.
2116         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2117         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2118         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2119         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2120         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
2121         Delete.
2122         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
2123         (INSTALL_LIBGCC): Delete.
2124         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2125         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2126         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2127         (M68K_MLIB_CPU): Define.
2128         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2129         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2130         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
2132 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2133             Richard Guenther  <rguenther@suse.de>
2135         PR middle-end/23361
2136         * fold-const.c (fold_comparison): Handle obfuscated comparisons
2137         against INT_MIN/INT_MAX.
2138         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
2139         file if a loop is removed.
2141 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
2143         * calls.c (store_one_arg): Pass correct alignment to
2144         emit_push_insn for non-BLKmode values.
2145         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
2146         unaligned stack slot via a suitably aligned slot.
2148 2007-02-08  DJ Delorie  <dj@redhat.com>
2150         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
2151         warnings.
2152         (legal_subregs): Use unsigned char, make const.
2153         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
2155 2007-02-08  Paul Brook  <paul@codesourcery.com>
2157         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
2158         special interworking needed.
2160 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
2162         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
2163         conditional to __SSE2__.
2164         (Entries below should have been added to first ChangeLog
2165         entry for amdfam10 dated 2007-02-05)
2166         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
2167         defined.
2168         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
2169         defined.
2170         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
2171         defined.
2173 2007-02-08  DJ Delorie  <dj@redhat.com>
2175         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
2176         * config/m32c/m32c.c (legal_subregs): New.
2177         (m32c_illegal_subreg_p): New.
2178         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2179         unsupported subregs of hard regs.
2181 2007-02-08  Jan Hubicka  <jh@suse.cz>
2183         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2184         the same one; always update histograms.
2186 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2188         * passes.c (init_optimization_passes): Tidy comment.
2190 2007-02-08  Roger Sayle  <roger@eyesopen.com>
2192         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2193         strip zero_extend, bswap and rotates from POCOUNT's argument.
2194         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2195         zero_extend and rotates from PARITY's argument.
2196         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2197         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2198         of an integer constant at compile-time.
2200 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2202         PR 30562
2203         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2204         Update all users.
2205         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
2206         users.
2207         (init_alias_info):
2208         * tree-ssa-live.c (remove_unused_locals): Do not remove
2209         TREE_ADDRESSABLE variables.
2210         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2211         * tree-ssa-operands.c (add_virtual_operand): Remove argument
2212         FOR_CLOBBER.  Update all users.
2213         If VAR has an associated alias set, add a virtual operand for
2214         it if no alias is found to conflict with the memory reference.
2216 2007-02-07  Jan Hubicka  <jh@suse.cz>
2217             Robert Kidd <rkidd@crhc.uiuc.edu>
2219         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2221 2007-02-07  Ian Lance Taylor  <iant@google.com>
2223         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2225 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2227         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2228         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2229         tablejumpdi, movsi_to_cr_one): Remove constraints from
2230         define_expand's match_operands.
2232 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2234         * global.c (compute_regsets): Move declatation of "i" inside of
2235         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2237 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2239         PR c++/30703
2240         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2241         of INDIRECT_REF <RESULT_DECL>.
2243         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2245 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
2246             Kaz Kojima  <kkojima@gcc.gnu.org>
2248         PR target/29746
2249         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2250         properly.
2251         (sh_initialize_trampoline): Add parentheses to avoid a warning.
2253 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2255         * doc/loop.texi: Document possibility not to perform disambiguation
2256         of loops with multiple latches.
2257         * cfgloopmanip.c (alp_enum_p): Removed.
2258         (add_loop): Handle subloops.  Use get_loop_body_with_size.
2259         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2260         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2261         the new forwarder block.
2262         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2263         Handle the case latch is NULL.
2264         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2265         when marking loop exits.
2266         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
2267         be modified.
2268         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
2269         disambiguate_loops_with_multiple_latches.
2270         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2271         before fix_loop_structure.
2272         * cfgloop.c: Include pointer-set.h and output.h.
2273         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2274         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2275         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2276         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2277         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2278         disambiguate_multiple_latches, get_loop_body_with_size,
2279         disambiguate_loops_with_multiple_latches): New functions.
2280         (flow_loop_dump): Dump multiple latch edges.
2281         (flow_loop_nodes_find): Handle loops with multiple latches.
2282         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2283         (glb_enum_p): Modified.
2284         (get_loop_body): Use get_loop_body_with_size.
2285         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2286         (AVOID_CFG_MODIFICATIONS): New constant.
2287         (disambiguate_loops_with_multiple_latches, add_loop,
2288         get_loop_body_with_size): Declare.
2289         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2291 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
2293         PR inline-asm/28686
2294         * global.c (compute_regsets): New function.
2295         (global_alloc): Refactored ELIMINABLE_REGSET
2296         and NO_GLOBAL_ALLOC_REGS computation out.
2297         (rest_of_handle_global_alloc): Call compute_regsets()
2298         for non-optimizing case.
2300 2007-02-06  Richard Henderson  <rth@redhat.com>
2302         * config/i386/constraints.md (Y2): Rename from Y.
2303         (Yi): New constraint.
2304         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2305         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2306         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2307         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2308         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2309         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2310         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2311         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2312         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2313         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2314         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2315         vec_extractv2si_1): Change Y constraints to Y2.
2316         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2317         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2318         Change Y constraints to Y2.
2319         (sse2_loadld): Change Y constraints to x.
2321 2007-02-06  Roger Sayle  <roger@eyesopen.com>
2323         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2324         (parity<mode>2): New define_expand using rs6000_emit_parity.
2325         * config/rs6000/rs6000.c (rs6000_emit_popcount,
2326         rs6000_emit_parity): New functions.
2327         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2328         rs6000_emit_parity): Prototype here.
2330 2007-02-06  Ian Lance Taylor  <iant@google.com>
2332         * lower-subreg.c (simple_move_operand): Reject CONST.
2333         (resolve_clobber): Call validate_change rather than directly
2334         assigning to XEXP (pat, 0).
2336 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2338         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2339         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2340         (tree-cfg.o): Remove hashtab.h dependency.
2342         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2343         (struct ivopts_data): Change niters to pointer_map_t.
2344         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2345         (niter_for_exit): Create pointer_map on demand.  Change for
2346         pointer_map API.
2347         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2348         (free_loop_data): Destroy data->niters if created and reset field.
2349         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2350         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2352         * tree-ssa-reassoc.c: Include pointer-set.h.
2353         (bb_rank): Change to long *.
2354         (operand_rank): Change to pointer_map_t.
2355         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2356         (insert_operand_rank): Accept long.
2357         (operand_entry_hash, operand_entry_eq): Remove.
2358         (get_rank): Return long.  Adjust for changes above.
2359         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2360         and operand_rank.
2361         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2363         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2364         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2365         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2366         is not NULL.
2367         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2368         directly since it cannot be NULL.
2369         (get_vi_for_tree): Rewrite for pointer_map API.
2370         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2371         (init_alias_vars): Create vi_for_tree as pointer_map.
2372         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2374         * tree-cfg.c: Don't include hashtab.h.
2375         (edge_to_cases): Declare as pointer_map.
2376         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2377         Delete.
2378         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2379         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2380         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2381         destroying it.
2382         (record_switch_edge): Delete.
2383         (get_cases_for_edge): Adjust for pointer_map API, inline
2384         record_switch_edge (rewritten for new API), remove goto.
2386 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2388         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2389         * tree-nested.c: Include pointer-set.h.
2390         (var_map_elt, var_map_eq, var_map_hash): Delete.
2391         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2392         to pointer_map_t's.
2393         (nesting_info_bitmap_obstack): New.
2394         (lookup_field_for_decl): Adjust for pointer_map API.
2395         (lookup_tramp_for_decl): Adjust for pointer_map API.
2396         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2397         (get_local_debug_decl): Adjust for pointer_map API.
2398         (convert_nl_goto_reference): Adjust for pointer_map API.
2399         (convert_nl_goto_receiver): Adjust for pointer_map API.
2400         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2401         the new obstack.  Create field_map and var_map as pointer_maps.
2402         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2403         (root): Delete.
2404         (lower_nested_functions): Move root here, no need to NULL it.
2405         Initialize and release the obstack.
2407 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2409         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2410         Remove prototypes and make them non-static.
2411         (struct tree_int_map): Remove.
2412         * tree.h (struct tree_int_map): Move here, turning TO into an
2413         unsigned int.
2414         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2416         * tree.h (TREE_COMPLEXITY): Remove.
2417         (struct tree_exp): Remove complexity field.
2418         * tree.c (build1_stat): Don't set it.
2420 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2421             Victor Kaplansky  <victork@il.ibm.com>
2423         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2424         (vect_is_simple_reduction): Support reduction with induction as
2425         one of the operands.
2426         (vect_is_simple_iv_evolution): Fix formatting.
2427         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2428         formatting.  Don't mark induction phis for vectorization.
2429         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2430         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2431         (vect_get_vec_def_for_operand): Support induction.
2432         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2433         induction case.
2434         (vectorizable_reduction): Support reduction with induction as one of
2435         the operands.
2436         (vectorizable_type_demotion): Use def-type of stmt argument rather
2437         than dummy def-type.
2439         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2440         flag_tree_scev_cprop.
2441         * common.opt (tree-scev-cprop): New flag.
2443         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2444         call to vect_get_new_vect_var.
2446 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2448         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2449         vectype is not NULL.
2450         (vect_pattern_recog_1): Likewise.
2452 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2454         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2455         (fold_negate_expr): Likewise.
2457 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2459         PR debug/30189
2460         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2461         even if cv-qualification is the same.
2463 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2465         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2466         __enable_execute_stack on completion.
2468 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2470         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2471         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2472         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2473         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2474         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2475         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2476         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2477         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2479 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2481         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2482         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2483         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2484         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2485         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2486         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2487         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2488         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2489         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2490         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2491         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2492         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2493         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2494         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2495         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2496         sqrtextenddfxf2_i387): Added amdfam10_decode.
2498         * config/i386/athlon.md (athlon_idirect_amdfam10,
2499         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2500         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2501         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2502         athlon_ivector_store_amdfam10): New define_insn_reservation.
2503         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2504         amdfam10.
2506 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2508         * config/i386/athlon.md (athlon_call_amdfam10,
2509         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2510         define_insn_reservation.
2511         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2512         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2513         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2515 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2517         * config/i386/athlon.md (athlon_sseld_amdfam10,
2518         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2519         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2521 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2523         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2524         define_insn_reservation.
2525         * config/i386/i386.md (sseins): Added sseins to define_attr type
2526         and define_attr unit.
2527         * config/i386/sse.md: Set type attribute to sseins for insertq
2528         and insertqi.
2530 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2532         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2533         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2534         ssecomi_load_amdfam10, ssecomi_amdfam10,
2535         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2536         define_insn_reservation.
2537         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2539 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2541         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2542         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2543         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2544         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2545         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2546         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2547         define_insn_reservation.
2549         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2550         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2551         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2552         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2553         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2555 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2557         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2558         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2559         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2560         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2561         athlon_ssemul_load_k8): Added amdfam10.
2563 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2565         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2566         (x86_sse_unaligned_move_optimal): New variable.
2568         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2569         m_AMDFAM10.
2570         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2571         for unaligned vector SSE double/single precision loads for AMDFAM10.
2573 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2575         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2576         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2577         Define TARGET_CPU_DEFAULT_amdfam10.
2578         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2579         (processor_type): Add PROCESSOR_AMDFAM10.
2581         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2582         processor_type in config/i386/i386.h.
2583         Enable imul peepholes for TARGET_AMDFAM10.
2585         * config.gcc: Add support for --with-cpu option for amdfam10.
2587         * config/i386/i386.c (amdfam10_cost): New variable.
2588         (m_AMDFAM10): New macro.
2589         (m_ATHLON_K8_AMDFAM10): New macro.
2590         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2591         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2592         x86_promote_QImode, x86_integer_DFmode_moves,
2593         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2594         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2595         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2596         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2597         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2598         Enable/disable for amdfam10.
2599         (override_options): Add amdfam10_cost to processor_target_table.
2600         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2601         processor_alias_table.
2602         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2603         (ix86_adjust_cost): Add code for amdfam10.
2605 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2607         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2608         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2609         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2610         * config/i386/i386.h: Add builtin definition for SSE4A.
2611         * config/i386/i386.md: Add support for ABM instructions
2612         (popcnt and lzcnt).
2613         * config/i386/sse.md: Add support for SSE4A instructions
2614         (movntss, movntsd, extrq, insertq).
2615         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2616         Add -march=amdfam10 flag.
2617         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2618         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2619         and amdfam10.
2620         * doc/extend.texi: Add documentation for SSE4A builtins.
2622 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2624         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2626 2007-02-05  Richard Guenther  <rguenther@suse.de>
2628         * tree-vectorizer.h (vectorizable_function): Add argument type
2629         argument, change return type.
2630         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2631         * tree-vect-transform.c (vectorizable_function): Handle extra
2632         argument, return vectorized function decl.
2633         (build_vectorized_function_call): Remove.
2634         (vectorizable_call): Handle calls with result and argument types
2635         differing.  Handle loop vectorization factor correctly.
2636         * targhooks.c (default_builtin_vectorized_function): Adjust for
2637         extra argument.
2638         * targhooks.h (default_builtin_vectorized_function): Likewise.
2639         * target.h (builtin_vectorized_function): Add argument type
2640         argument.
2641         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2642         extra argument, allow vectorizing of lrintf.
2643         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2644         documentation of target hook.
2646 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2648         PR target/30665
2649         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2650         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2651         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2653 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2655         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2656         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2657         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2658         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2659         before canonicalizing sincos to cexpi.
2660         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2662 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2664         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2665         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2666         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2668 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2670         * mips-tfile.c (initialize_init_file): Correct endianness test.
2672 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2674         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2675         the 'y' constraint.
2677 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2679         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2680         saves in a PARALLEL before the register assignments.
2682 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2684         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2685         DWARF_FRAME_RETURN_COLUMN to be a general register.
2686         * dwarf2out.c (init_return_column_size): New function, split from...
2687         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2688         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2689         to be nongeneral registers.
2690         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2691         integer registers.
2692         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2693         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2695 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2697         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2699 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2701         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2702         (remove_path): Use can_remove_branch_p and remove_branch instead
2703         of loop_delete_branch_edge.
2704         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2705         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2706         Update profile using scale_dominated_blocks_in_loop.
2707         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2708         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2709         (can_remove_branch_p, remove_branch): Declare.
2710         * tree-cfg.c (tree_can_remove_branch_p): New function.
2711         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2712         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2713         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2715 2007-02-05  Jan Hubicka  <jh@suse.cz>
2717         PR middle-end/30696
2718         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2719         nodes in cgraph, don't remove offline copy of the function.
2721 2007-02-04  Jan Hubicka  <jh@suse.cz>
2723         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2724         vectors might cause maybe_lookup_element_for_expr to be called
2725         on non-sra-candidate.
2727 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2729         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2730         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2731         spelling conventions.
2733 2007-02-04  Richard Guenther  <rguenther@suse.de>
2735         PR middle-end/30636
2736         * fold-const.c (try_move_mult_to_index): Make sure to not
2737         overflow one dimension of a multi-dimensional array access.
2739 2007-02-04  Jan Hubicka  <jh@suse.cz>
2741         * passes.c (init_optimization_passes): Reindent.
2743 2007-02-04  Jan Hubicka  <jh@suse.cz>
2744             Eric Botcazou  <ebotcazou@adacore.com>
2746         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2747         (execute_fixup_cfg): Break out the abnormal goto code.
2748         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2749         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2750         (optimize_inline_calls): Call make_nonlocal_label_edges.
2752 2007-02-04  Jan Hubicka  <jh@suse.cz>
2754         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2755         true when something was changed.
2756         (rename_ssa_copies): When something was changed, do
2757         TODO_remove_unused_locals.
2758         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2759         add TODO_remove_unused_locals when instruction was removed.
2761 2007-02-04  Jan Hubicka  <jh@suse.cz>
2763         * ipa-inline.c (try_inline): Improve debug output; work on already
2764         inline edges too.
2765         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2766         call try_inline for already inlined edges too when flattening;
2767         inline also functions that make callee growth but overall unit size
2768         reduce.
2770 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2772         * config/m32c/bitops.md, config/m32c/jump.md,
2773         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2774         config/m32r/m32r.h, config/m32r/m32r.md,
2775         config/m32r/predicates.md, config/m68hc11/larith.asm,
2776         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2777         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2778         config/mips/mips-protos.h, config/mips/mips.c,
2779         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2780         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2781         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2782         spelling conventions.
2784         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2785         Follow spelling conventions.
2787 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2789         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2790         warn about C++0x compatibility.
2792 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2794         * config/h8300/h8300.c, config/h8300/h8300.h,
2795         config/h8300/h8300.md: Follow spelling conventions.
2797 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2799         PR middle-end/30667
2800         * combine.c (try_combine): Do not substitute source operand
2801         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2803 2007-02-03  Jan Hubicka  <jh@suse.cz>
2805         PR gcov-profile/30650
2806         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2807         do not divide by zero for never executed counters.
2808         (tree_find_values_to_profile): Fix counters.
2809         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2811 2007-02-03  Ian Lance Taylor  <iant@google.com>
2813         * lower-subreg.c (simple_move_operand): New static function,
2814         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2815         operands.
2816         (simple_move): Call simple_move_operand.
2817         (find_decomposable_subregs): Add special handling of MEMs.
2818         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2819         meaning of return value.  If we see a hard register, test whether
2820         it can store a word_mode value.  Change all callers.
2822 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2824         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2825         ftrapv insns and expanders.
2826         (subdi3): Change define_expand operand 1 to arith11_operand, and
2827         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2828         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2829         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2830         respectively.
2832         PR middle-end/30174
2833         * varasm.c (notice_global_symbol): Treat global objects as weak when
2834         flag_shlib is true.
2836 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2838         * emit-rtl.c (dconstpi): Delete.
2839         (dconstsqrt2): New.
2840         (init_emit_once): Delete dconstpi and init dconstsqrt2.
2841         * real.h (dconstpi): Delete.
2842         (dconstsqrt2): New.
2843         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2844         (fold_builtin_hypot): Likewise.
2846 2007-02-03  Tom Tromey  <tromey@redhat.com>
2848         PR driver/30246
2849         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2850         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2852 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2854         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2855         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2856         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2857         config/rs6000/cell.md, config/rs6000/darwin.h,
2858         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2859         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2860         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2861         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2862         typos.  Follow spelling conventions.
2863         * doc/invoke.texi: Follow spelling conventions.
2865 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2867         * simplify-rtx.c (simplify_relational_operation_1): Implement some
2868         canonicalization transformations that attempt to simplify integer
2869         constant comparisons to become comparisons against zero.
2871 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2873         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2874         fabs(x)*sqrt(2).
2875         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
2876         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
2878 2007-02-02  Mike Stump  <mrs@apple.com>
2880         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2881         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2882         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2883         generate a branch island.
2885 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
2887         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2888         (xtensa_legitimate_address_p): New.
2889         (xtensa_legitimize_address): New.
2890         (xtensa_output_addr_const_extra): New.
2891         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2892         (BASE_REG_P): New.
2893         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2894         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2895         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2896         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2897         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
2898         (xtensa_legitimize_address): New.
2899         (xtensa_output_addr_const_extra): New.
2901 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
2903         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
2905 2007-02-02  Ian Lance Taylor  <iant@google.com>
2907         * expmed.c (expand_divmod): Add comment.
2909 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
2911         * emit-rtl.c (renumber_insns): Remove.
2912         * flags.h: Remove the extern for flag_renumber_insns.
2913         * rtl.h: Remove the prototype for renumber_insns.
2914         * toplev.c (flag_renumber_insns): Remove.
2916 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
2918         Revert for x86 darwin:
2919         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
2921         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
2922         code before the following patch under TARGET_MACHO.
2923         (ix86_function_value_regno_p): Likewise.
2925 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2927         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
2928         COMPLEX_EXPR.
2930 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2932         PR target/29682
2933         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
2934         general or fp registers.  Add comments.
2935         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
2937 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
2939         * pointer-set.c (insert_aux): Only return insertion slot.
2940         (pointer_set_insert): Adjust.
2941         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
2942         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
2943         pointer_map_traverse): New.
2944         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
2945         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
2946         pointer_map_contains, pointer_map_traverse): Declare.
2948 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
2950         PR middle-end/30473
2951         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
2952         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
2954 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
2956         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
2958         (struct _dep): New type.
2959         (dep_t): New typedef.
2960         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
2961         (DEP_STATUS): New access macro.  The macro with the same name was
2962         renamed to DEP_LINK_STATUS.
2963         (dep_init): Declare function
2965         (struct _dep_link): New type.
2966         (dep_link_t): New typedef.
2967         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
2968         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
2969         (DEP_LINK_STATUS): New macro.
2970         (debug_dep_links): New debug function.
2972         (struct _deps_list): New type.
2973         (deps_list_t): New typedef.
2974         (DEPS_LIST_FIRST): New access macro.
2975         (FOR_EACH_DEP_LINK): New cycle macro.
2976         (create_deps_list, free_deps_list, delete_deps_list): Declare
2977         functions.
2978         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
2979         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
2980         (copy_deps_list_change_con): Ditto.
2982         (move_dep_link): Declare function.
2984         (struct _dep_node): New type.
2985         (dep_node_t): New typedef.
2986         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
2988         (struct haifa_insn_data.back_deps): New field to hold backward
2989         dependencies of the insn.
2990         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
2991         to deps_list_t.
2992         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
2993         Change its type to deps_list_t.
2994         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
2995         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
2996         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
2998         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
3000         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
3002         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
3003         all callers.
3004         (dep_cost): Declare.
3006         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
3007         (ds_to_dk, dk_to_ds): New functions.
3009         (init_dep_1): New static function.
3010         (init_dep): New function.
3011         (copy_dep): New static function.
3013         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
3014         functions.
3015         (detach_dep_link): New static function.
3016         (move_dep_link): New function.
3018         (dep_links_consistent_p, dump_dep_links): New static functions.
3019         (debug_dep_links): New debugging function.
3021         (deps_obstack, dl_obstack, dn_obstack): New static variables.
3023         (alloc_deps_list, init_deps_list): New static functions.
3024         (create_deps_list): New function.
3025         (clear_deps_list): New static function.
3026         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
3027         (deps_list_consistent_p, dump_deps_list): New static functions.
3028         (debug_deps_list): New function.
3029         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
3030         functions.
3031         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
3033         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
3034         use new scheduler dependencies lists.
3035         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
3036         (sched_analyze): Ditto.  Initialize dependencies lists.
3037         (add_forw_dep, compute_forward_dependences): Update to use new
3038         scheduler dependencies lists.
3040         (init_dependency_caches): Init deps_obstack.
3041         (free_dependency_caches): Free deps_obstack.
3043         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
3044         new scheduler dependencies lists.
3045         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
3046         (add_back_forw_dep, delete_back_forw_dep): Ditto.
3048         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
3049         Update to use new scheduler dependencies lists.
3050         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
3051         (debug_dependencies): Ditto.
3052         (schedule_region): Update comments.
3054         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
3055         scheduler dependencies lists.
3056         (schedule_ebb): Update comments.
3058         * rtl.def (DEPS_LIST): Remove.
3060         * lists.c (unused_deps_list): Remove.
3061         (free_list): Update assertions.
3063         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
3064         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3066         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
3067         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3069         * haifa-sched.c (comments): Update.
3070         (insn_cost1): Remove.  Inline the code into insn_cost ().
3071         (insn_cost): Update to use new scheduler dependencies lists.  Move
3072         processing of the dependency cost to dep_cost ().
3073         (dep_cost): New function.  Use it instead of insn_cost () when
3074         evaluating cost of the dependency.  Use compatible interface to
3075         interact with the target.
3076         (priority): Update to use new scheduler dependencies lists.
3077         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
3078         with greater number of insns that depend on the insn.
3079         (schedule_insn): Update to use new scheduler dependencies lists.  Add
3080         code to free backward dependencies lists.  Inline and optimize code
3081         from resolve_dep () - see PR28071.
3082         (ok_for_early_queue_removal): Update to use new scheduler dependencies
3083         lists.  Update call to targetm.sched.is_costly_dependence hook.
3085         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
3086         scheduler dependencies lists.
3088         (resolve_dep): Remove.  Move the logic to schedule_insn ().
3089         (init_h_i_d): Initialize dependencies lists.
3091         (process_insn_depend_be_in_spec): Rename to
3092         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
3093         dependencies lists.
3094         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
3095         Update to use new scheduler dependencies lists.
3096         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
3098         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
3099         new scheduler dependencies lists.
3100         (build_intra_loop_deps): Ditto.
3102         * target.h (struct _dep): Declare to use in
3103         gcc_target.sched.is_costly_dependence.
3104         (struct gcc_target.sched.adjust_cost): Fix typo.
3105         (struct gcc_target.sched.is_costly_dependence): Change signature to use
3106         single dep_t parameter instead of an equivalent triad.
3107         (struct gcc_target.sched.adjust_cost_2): Remove.
3109         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
3111         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
3113         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
3114         documentation.
3115         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
3117         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
3118         (REG_DEP_TRUE): Document.
3120         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
3121         Change signature to correspond to the targetm.sched.adjust_cost hook.
3122         Update use in TARGET_SCHED_ADJUST_COST_2.
3123         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
3124         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
3125         new scheduler dependencies lists.
3126         (ia64_gen_check): Ditto.
3128         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
3129         dependencies lists.
3131         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
3132         signature to correspond to the targetm.sched.is_costly_dependence hook.
3133         (is_costly_group): Update to use new scheduler dependencies lists.
3135         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
3136         instead of INSN_COST () macro.
3138 2007-02-01  Ian Lance Taylor  <iant@google.com>
3140         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
3142 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
3144         * pa.md (tp_load): Correct mfctl instruction syntax.
3146 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
3148         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
3149         altivec_padding_size calculation on AIX.  Improve comment, add
3150         assert to verify that it's right.
3152         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
3153         64-bit.
3155 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
3157         PR inline-asm/28686
3158         * global.c (global_alloc): Add mising initialization of
3159         ELIMINABLE_REGSET.
3161 2007-02-01  Roger Sayle  <roger@eyesopen.com>
3163         * alias.c (init_alias_analysis): Correct whitespace.
3164         * bb-reorder.c (fix_edges_for_rarely_executed_code,
3165         partition_hot_cold_basic_blocks): Likewise.
3166         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3167         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
3168         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3169         fold_builtin_snprintf_chk, fold_builtin_printf,
3170         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
3171         do_mpfr_arg3, do_mpfr_sincos): Likewise.
3172         * cfgcleanup.c (cleanup_cfg): Likewise.
3173         * cfgexpand.c (tree_expand_cfg): Likewise.
3174         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
3175         * function.c (get_next_funcdef_no): Likewise.
3176         * gengtype.c (main): Likewise.
3177         * genmodes.c (main): Likewise.
3178         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3179         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3180         * ifcvt.c (noce_emit_move_insn): Likewise.
3181         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
3182         Likewise.
3183         * stor-layout.c (get_best_mode): Likewise.
3184         * tree-ssa-loop-niter.c (get_val_for): Likewise.
3185         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3186         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3187         perform_var_substitution, solve_graph): Likewise.
3188         * tree-vrp.c (vrp_finalize): Likewise.
3190 2007-02-01  Ian Lance Taylor  <iant@google.com>
3192         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3193         high part of a paradoxical subreg, return a constant zero.
3195 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
3197         * toplev.c (lang_dependent_init): Call init_set_costs.
3198         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3200 2007-02-01  Richard Guenther  <rguenther@suse.de>
3202         PR middle-end/30656
3203         * fold-const.c (fold_negate_expr): Allow negating a
3204         constant if overflow does not change.
3206 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3208         * doc/c-tree.texi (Expression trees): Improve markup.
3209         * doc/tm.texi (Register Classes, Addressing Modes)
3210         (Floating Point): Fix spacing after abbreviations.  Fix some
3211         typos.
3213 2007-02-01  Ben Elliston  <bje@au.ibm.com>
3215         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3216         * doc/contrib.texi: Likewise.
3217         * doc/install.texi: Likewise.
3219 2007-01-31  Richard Henderson  <rth@redhat.com>
3220             Ian Lance Taylor  <iant@google.com>
3222         * lower-subreg.c: New file.
3223         * rtl.def (CONCATN): Define.
3224         * passes.c (init_optimization_passes): Add pass_lower_subreg and
3225         pass_lower_subreg2.
3226         * emit-rtl.c (update_reg_offset): New static function, broken out
3227         of gen_rtx_REG_offset.
3228         (gen_rtx_REG_offset): Call update_reg_offset.
3229         (gen_reg_rtx_offset): New function.
3230         * regclass.c: Revert patch of 2006-03-05, restoring
3231         reg_scan_update.
3232         (clear_reg_info_regno): New function.
3233         * dwarf2out.c (concatn_loc_descriptor): New static function.
3234         (loc_descriptor): Handle CONCATN.
3235         * common.opt (fsplit_wide_types): New option.
3236         * opts.c (decode_options): Set flag_split_wide_types when
3237         optimizing.
3238         * timevar.def (TV_LOWER_SUBREG): Define.
3239         * rtl.h (gen_reg_rtx_offset): Declare.
3240         (reg_scan_update): Declare.
3241         * regs.h (clear_reg_info_regno): Declare.
3242         * tree-pass.h (pass_lower_subreg): Declare.
3243         (pass_lower_subreg2): Declare.
3244         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3245         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
3246         -fsplit-wide-types.
3247         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3248         * Makefile.in (OBJS-common): Add lower-subreg.o.
3249         (lower-subreg.o): New target.
3251 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3253         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3255 2007-01-31  Anatoly Sokolov <aesok@post.ru>
3257         PR target/19087
3258         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3260 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3262         PR middle-end/29335
3263         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3265 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
3267         * cfgloop.h: Include vec-prim.h.
3268         (enum li_flags): Remove LI_ONLY_OLD.
3269         (loop_iterator): Changed.
3270         (fel_next, fel_init): Iterate over loop tree.
3271         (FOR_EACH_LOOP_BREAK): New macro.
3272         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3273         FOR_EACH_LOOP.
3274         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3275         * modulo-sched.c (sms_schedule): Ditto.
3276         * tree-vectorizer.c (vectorize_loops): Ditto.
3277         * doc/loop.texi: Update information on loop numbering and behavior of
3278         FOR_EACH_LOOP wrto new loops.
3279         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3280         add_to_evolution_1): Test nestedness of loops instead of comparing
3281         their numbers.
3282         * tree-chrec.c (chrec_fold_plus_poly_poly,
3283         chrec_fold_multiply_poly_poly, chrec_evaluate,
3284         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3285         reset_evolution_in_loop): Ditto.
3286         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3288 2007-01-31  Dirk Mueller  <dmueller@suse.de>
3290         * c-common.c (warn_about_parentheses): Separate warning about
3291         un-parenthized sequence of comparison operators from the one
3292         which is supposed to warn about x <= y <= z.
3294 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
3296         * optabs.h (enum optab_index): Add new OTI_isinf.
3297         (isinf_optab): Define corresponding macro.
3298         * optabs.c (init_optabs): Initialize isinf_optab.
3299         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3300         patterns.
3301         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3302         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3303         using isinf_optab.
3304         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3305         expand_builtin_interclass_mathfn.
3306         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3307         * config/i386/i386.md (UNSPEC_FXAM): New constant.
3308         (fxam<mode>2_i387): New insn pattern.
3309         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3310         built-in functions as x87 inline asm.
3312 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3314         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3316 2007-01-30  Eric Christopher  <echristo@apple.com>
3318         * config.gcc: Add geode.
3320 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3322         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3323         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3324         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3325         value-prof.c: Fix comment typos.
3327 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3329         PR c++/24745
3330         * doc/invoke.texi (Wpointer-arith): Document warning.
3332 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
3334         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3335         the list of discrepancies from the draft TR.
3337 2007-01-30  Dirk Mueller  <dmueller@suse.de>
3339         PR c++/30601
3340         * doc/invoke.texi (-Wreturn-type): Update description to
3341         match new behavior.
3343 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
3345         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3347 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
3349         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3350         to handle optabs that operate on floating point input argument and
3351         output to integer output.
3352         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3353         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3354         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3355         expand_builtin_interclass_mathfn ().
3356         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3357         (ilogbsi2): Remove.
3358         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3359         ilogbl built-in functions as x87 intrinsics.
3361 2007-01-30  Richard Guenther  <rguenther@suse.de>
3363         PR middle-end/27657
3364         * dwarf2out.c (reference_to_unused): Query varpool if the
3365         variable was output.
3367 2007-01-30  Richard Guenther  <rguenther@suse.de>
3369         PR middle-end/30313
3370         * passes.c (execute_one_pass): Reset in_gimple_form to not
3371         confuse non-unit-at-a-time mode.
3373 2007-01-29  Roger Sayle  <roger@eyesopen.com>
3374             Richard Guenther  <rguenther@suse.de>
3376         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3377         avoid undefined behaviour on overflow.  Use force_fit_type_double
3378         to construct the constant with the specified TREE_OVERFLOW.
3380 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3382         * config/dfp-bit.c: Add parameterized support for fp exceptions.
3383         * config/dfp-bit.h: Ditto.
3385 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3387         * c-decl.c (pop_scope): Replace warnings with call to
3388         warn_for_unused_label.
3389         * c-common.h (warn_for_unused_label): Declare.
3390         * c-common.c (warn_for_unused_label): Define.
3392 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3394         * tree-optimize.c (update_inlined_to_pointers): Delete unused
3395         function.
3397 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3399         * Makefile.in (USER_H): Remove decfloat.h.
3400         * ginclude/decfloat.h: Delete, moving contents to ...
3401         * ginclude/float.h: Add support for decimal floating point,
3402         guarded by __STDC_WANT_DEC_FP__.
3404 2007-01-29  Mike Stump  <mrs@apple.com>
3406         * doc/gccint.texi (Top): Rename Loop Representation to Loop
3407         Analysis and Representation to resolve case insensitive conflict.
3408         * doc/loop.texi (Loop Analysis and Representation): Likewise.
3410 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
3412         * tree.h (struct tree_memory_tag): Add aliases member.
3413         (MTAG_ALIASES): New macro.
3414         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3415         (add_may_alias): Remove pointer-set. Update for may_aliases being
3416         a bitmap.
3417         (mark_aliases_call_clobbered): Update for may_aliases being a
3418         bitmap.
3419         (compute_tag_properties): Ditto.
3420         (create_partition_for): Ditto.
3421         (compute_memory_partitions): Ditto.
3422         (dump_may_aliases_for): Ditto.
3423         (is_aliased_with): Ditto.
3424         (add_may_alias_for_new_tag): Ditto.
3425         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3426         (compute_is_aliased): New function.
3427         (compute_may_aliases): Call compute_is_aliased).
3428         (init_alias_info): Initialize alias_bitmap_obstack.
3429         (union_alias_set_into): New function.
3430         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3431         (have_common_aliases_p): Rewrite to take two bitmaps and use
3432         intersection.
3433         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3434         Update for bitmaps.
3435         (finalize_ref_all_pointers): Update for add_may_alias changes.
3436         (new_type_alias): Ditto.
3437         * tree-flow-inline.h (may_aliases): Return a bitmap.
3438         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3439         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3440         may_aliases being a bitmap.
3441         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3442         may_aliases now returns a bitmap.
3443         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3444         being a bitmap.
3445         * tree-ssa-operands.c (add_virtual_operand): Update for
3446         may_aliases being a bitmap.
3448 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3450         PR tree-optimization/30630
3451         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3452         variable as changed.
3454 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3456         PR c++/28266
3457         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3458         expanded only once even if an error occurs.
3460 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3462         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3463         (__gcov_average_profiler): Likewise.
3464         (__gcov_ior_profiler): Likewise.
3465         (__gcov_merge_ior): Likewise.
3467 2007-01-28  Jan Hubicka  <jh@suse.cz>
3469         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3470         * value-prof.c (stringop_block_profile): Likewise.
3472 2007-01-28  Jan Hubicka  <jh@suse.cz>
3474         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3475         variant handling histograms; add wrapper.
3476         (clear_storage_via_libcall): Export.
3477         (emit_block_move_hints): Break out from ...; add histograms.
3478         (emit_block_move): ... this one.
3479         (clear_storage_hints): Break out from ...; add histograms.
3480         (clear_storage): ... this one.
3481         (set_storage_via_memset): Handle histogram.
3482         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3483         (clear_storage_hints, clear_storage_via_libcall): Declare.
3484         (set_storage_via_setmem): Update prototype.
3485         * doc/md.texi (movmem, setmem): Document new arguments.
3487         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3488         new histograms.
3489         (stringop_block_profile): New global function.
3490         (tree_stringops_values_to_profile): Profile block size and alignment.
3491         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3492         HIST_TYPE_IOR.
3493         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3494         (stringop_block_profile): Declare.
3495         * builtins.c: Include value-prof.h.
3496         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3497         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3498         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3499         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3500         * profile.c (instrument_values): Add new counters.
3501         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3502         calls.
3503         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3504         (tree_init_edge_profiler): Build new profilers.
3505         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3506         (pass_tree_profile): Add dump.
3507         (tree_profile_hooks): Update.
3508         * Makefile.in (LIBGCOV): Add new constants.
3509         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3510         __gcov_ior_profiler): New.
3511         * i386.md (movmem/setmem expanders): Add new optional arguments.
3513 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3515         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3517 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3519         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3520         (tree_unswitch_single_loop): Pass eni_size_weights to
3521         tree_num_loop_insns.
3522         * tree-ssa-loop-manip.c: Include tree-inline.h.
3523         (can_unroll_loop_p): Pass eni_size_weights to
3524         tree_num_loop_insns.
3525         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3526         Pass eni_size_weights to estimate_num_insns.
3527         * tree.h (init_inline_once): Export.
3528         * toplev.c (backend_init): Call init_inline_once.
3529         * cgraphunit.c (cgraph_process_new_functions,
3530         cgraph_analyze_function): Pass eni_inlining_weights to
3531         estimate_num_insns.
3532         * ipa-inline.c (compute_inline_parameters): Ditto.
3533         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3534         to estimate_num_insns.
3535         (try_unroll_loop_completely): Pass eni_size_weights to
3536         tree_num_loop_insns.
3537         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3538         ot estimate_num_insns.
3539         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3540         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3541         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3542         eni_time_weights): New variables.
3543         (init_inline_once): Initialize them.
3544         (struct eni_data): Mew.
3545         (estimate_num_insns_1, estimate_num_insns): Use weights.
3546         * tree-inline.h (struct eni_weights_d): New.
3547         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3548         (estimate_num_insns): Declaration changed.
3549         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3550         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3551         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3553 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3555         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3556         relations in the conflict function is valid.
3558 2007-01-27  Ian Lance Taylor  <iant@google.com>
3560         * common.opt: Add fstrict-overflow.
3561         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3562         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3563         (TYPE_OVERFLOW_UNDEFINED): Define.
3564         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3565         Replace all uses.
3566         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3567         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3568         (fold_negate_expr): Likewise.
3569         (make_range): Likewise.
3570         (extract_muldiv_1): Likewise.
3571         (maybe_canonicalize_comparison): Likewise.
3572         (fold_comparison): Likewise.
3573         (fold_binary): Likewise.
3574         (tree_expr_nonnegative_p): Likewise.
3575         (tree_expr_nonzero_p): Likewise.
3576         * tree-vrp.c (compare_values): Likewise.
3577         (extract_range_from_binary_expr): Likewise.
3578         (extract_range_from_unary_expr): Likewise.
3579         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3580         Likewise.
3581         (nowrap_type_p): Likewise.
3582         * tree-scalar-evolution.c (simple_iv): Likewise.
3583         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3584         (build_range_check): Likewise.
3585         (extract_muldiv_1): Likewise.
3586         (fold_comparison): Likewise.
3587         * tree-vrp.c (vrp_int_const_binop): Likewise.
3588         (extract_range_from_unary_expr): Likewise.
3589         * convert.c (convert_to_integer): Likewise.
3590         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3591         (fold_comparison): Likewise.
3592         (fold_binary): Likewise.
3593         * optabs.c (optab_for_tree_code): Likewise.
3594         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3595         * simplify-rtx.c (simplify_const_relational_operation): Check
3596         flag_strict_overflow and flag_trapv.
3597         (simplify_const_relational_operation): Likewise.
3598         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3599         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
3600         -fstrict-overflow.
3602 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3604         * tree.c (tree_fold_gcd): Delete.
3605         * tree.h (tree_fold_gcd): Remove prototype.
3606         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3607         test whether one constant integer is a multiple of another.  Instead
3608         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3609         * fold-const.c (multiple_of_p):  We've determined both TOP and
3610         BOTTOM are integer constants so we can call int_const_binop directly
3611         instead of the more generic const_binop.
3613 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3615         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3616         1*X check that the constant hasn't overflowed, to preserve the
3617         TREE_OVERFLOW bit.
3618         (round_up): Provide an efficient implementation when rouding-up an
3619         INTEGER_CST to a power-of-two.
3621 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3623         * doc/sourcebuild.texi: Add comma for clarity.
3624         * doc/extend.texi: Fix some typos.
3625         * doc/passes.texi: Likewise.
3626         * doc/cppinternals.texi: Likewise.
3627         * doc/c-tree.texi: Likewise.
3628         * doc/tree-ssa.texi: Likewise.
3629         * doc/install.texi: Likewise.
3631 2007-01-27  Jan Hubicka  <jh@suse.cz>
3633         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3634         (pass_sra): Do not require alias information.
3635         * passes.c (init_optimization_passes): Add SRA
3637 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3639         * tracer.c (rest_of_handle_tracer): We already cleaned
3640         up the CFG in tracer() so don't do it here again.
3641         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3642         cleanup_cfg here, either.  And don't call renumber_insns.
3644         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3645         and BB_HEAD are in the insn stream here.  Instead make sure
3646         that BB_INSN is valid on all insns.  Also, do check here that
3647         there are no pending branch predictions...
3648         (rtl_verify_flow_info): ...instead of doing it here.  Checks
3649         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3650         here.
3652 2007-01-26  Roger Sayle  <roger@eyesopen.com>
3654         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3655         function to simplify/factorize operand order canonicalization.
3656         (ix86_fixup_binary_operands): Reorganize using the above function.
3657         (ix86_binary_operator_ok): Likewise.
3659 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3661         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3662         file scope from optimize_attrs.
3663         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3664         up search.
3665         (optimize_attrs): Clear insn_code_values after freeing it.
3667 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3669         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3670         a parts.base assignment.
3672 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3674         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3675         (compute_subscript_distance, initialize_data_dependence_relation,
3676         finalize_ddr_dependent, analyze_ziv_subscript,
3677         analyze_siv_subscript_cst_affine,
3678         compute_overlap_steps_for_affine_univar,
3679         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3680         analyze_siv_subscript, analyze_miv_subscript,
3681         analyze_overlapping_iterations, subscript_dependence_tester_1,
3682         compute_self_dependence, free_dependence_relation): Work
3683         with affine_fn instead of chrecs.
3684         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3685         common_affine_function, affine_function_base,
3686         affine_function_constant_p, affine_fn_op, affine_fn_plus,
3687         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3688         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3689         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3690         (all_chrecs_equal_p): Removed.
3691         * tree-data-ref.h (affine_fn, conflict_function): New types.
3692         (struct subscript): Change type of conflicting_iterations_in_a
3693         and conflicting_iterations_in_b.
3695 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
3697         PR other/30182
3698         * config/pa/pa.h (TARGET_HPUX_11): New.
3699         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3700         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3702 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
3703         Richard Guenther  <rguenther@suse.de>
3705         * tree-ssa-structalias.c (solve_graph): Handle case
3706         we merged the variable to another.
3708 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3710         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3711         functions.
3713         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3714         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3716 2007-01-25  DJ Delorie  <dj@redhat.com>
3718         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3719         allow changes to modes which don't fit in those registers.
3721         * reload1.c (choose_reload_regs): Check for invalid subregs before
3722         computing their locations, not after.
3724 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
3726         PR 25127
3727         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3728         save Altivec registers in an eh_return function.
3729         (compute_vrsave_mask): Likewise.
3730         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3731         for saving Altivec registers.
3732         (rs6000_emit_prologue): Don't allocate stack twice in
3733         eh_return function.  Correct expected value of altivec_save_offset
3734         when using save_world.  Describe save of R0 to stack when using
3735         save_world.  Describe stack pointer adjustment when using
3736         save_world.  Remove duplicated eh_return parameter register saving.
3737         Update sp_offset variable after save_world.
3738         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3739         darwin-world.asm.
3740         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3741         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3742         implies Altivec.
3744 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3746         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3748 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3750         PR other/30182
3751         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3752         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
3754 2007-01-25  Richard Guenther  <rguenther@suse.de>
3756         * doc/invoke.texi (-Wcoverage-mismatch): Document.
3757         * common.opt (-Wcoverage-mismatch): New warning option.
3758         * coverage.c (get_coverage_counts): Ignore coverage mismatch
3759         if -Wcoverage-mismatch is given.
3761 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
3763         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3764         (ipcp_driver): Change to static definition.
3765         Add dumping of the ifunctions.
3766         (constant_val_insert): Remove unused parameter. Support for SSA.
3767         (ipcp_propagate_const): Support for SSA.
3768         (ipcp_profile_bb_print): Print only analyzed nodes.
3769         (ipcp_replace_map_create): Remove support for Fortran constant
3770         for now.
3771         * ipa-prop.c (ipa_method_modify_stmt,
3772         ipa_callsite_compute_param): Support for SSA.
3773         * ipa-prop.h (ipcp_driver): Remove declaration.
3774         (IS_VALID_TREE_MAP_INDEX): Add define.
3776 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
3778         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3780 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3782         PR middle-end/30447
3783         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3784         constant argument to cabs and do it without checking for
3785         -funsafe-math-optimizations.
3787 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
3789         * c-common.h (RID_FIRST_CXX0X): New.
3790         (RID_LAST_CXX0X): New.
3791         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3792         by -Wall.
3793         * c.opt (Wc++0x-compat): New.
3794         * doc/invoke.texi (-Wc++0x-compat): Document.
3796 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3798         * builtins.c (fold_builtin_carg): New.
3799         (fold_builtin_1): Use it.
3801 2007-01-24  Jan Hubicka  <jh@suse.cz>
3803         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3805         * ipa-inline.c (initial_insns, max_insns): Delete.
3806         (compute_max_insns): New function.
3807         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3808         of insns as base for code growth.
3809         (cgraph_decide_inlining): Make initial_insns local; do not compute
3810         max_insns.
3811         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3812         * doc/invoke.texi (inline-unit-growth): Update docs.
3814 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
3816         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3817         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3818         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3819         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
3820         for CPUs that have PTA_CX16 set.
3822         PR middle-end/27416
3823         * gimplify.c (omp_check_private): New function.
3824         (gimplify_scan_omp_clauses): Use it for
3825         firstprivate/lastprivate/reduction.
3827         PR middle-end/30494
3828         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3829         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3831         PR middle-end/30421
3832         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3833         If lower_lastprivate_clauses emits some statements, append them
3834         to dlist rather than body_p and to body_p append an initializer.
3835         (lower_omp_for): Adjust caller.
3837 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
3839         * target.h (globalize_decl_name): New.
3840         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3841         * output.h (default_globalize_decl_name): New.
3842         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
3843         globalize_label.
3844         (globalize_decl): Ditto.
3845         (default_globalize_decl_name): New.
3846         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
3847         (ia64_handle_version_id_attribute): New.
3848         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3849         (ia64_asm_output_external): Use globalize_decl_name instead
3850         of globalize_label.
3851         * doc/extend.texi (version_id): New pragma.
3852         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
3854 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3856         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
3857         _uleb128_t and _Unwind_SWord with _sleb128_t.
3858         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
3859         uw_frame_state_for, uw_update_context_1): Likewise.
3860         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
3861         * unwind-pe.h (read_uleb128, read_sleb128,
3862         read_encoded_value_with_base): Likewise.
3863         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
3865 2007-01-24  Richard Guenther  <rguenther@suse.de>
3867         * builtins.c (expand_builtin_cexpi): Get the fndecl
3868         for cexp in the correct way.
3870 2007-01-24  Jan Hubicka  <jh@suse.cz>
3872         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
3874 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3876         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
3877         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
3878         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
3879         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
3880         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
3881         __SIZEOF_PTRDIFF_T__.
3882         * doc/cpp.texi: Documentation for the new builtin macros added.
3884 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
3886         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
3887         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
3888         instead of operands[2] to avoid access past the end of array.
3890 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
3892         * reload1.c (emit_reload_insns): Pass the reload register
3893         for a non-spill output reload through forget_old_reloads_1.
3895 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
3897         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
3898         _SOFT_DOUBLE if doubles use software floating-point.
3899         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
3900         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3901         * config/rs6000/darwin-ldouble.c: Also compile functions for
3902         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
3903         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
3904         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
3905         commented-out long double override.
3906         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
3907         * config/rs6000/eabispe.h: Likewise.
3908         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
3909         long double for non-SPE.
3910         (rs6000_handle_option): Likewise.
3911         (invalid_e500_subreg): Disallow more subregs involding DImode,
3912         DFmode, TImode or TFmode.
3913         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
3914         E500 double.
3915         (legitimate_lo_sum_address_p): Also check for TFmode for E500
3916         double.
3917         (rs6000_legitimize_address): Also handle TFmode for E500 double.
3918         (rs6000_legitimize_reload_address): Also handle TFmode for E500
3919         double.
3920         (rs6000_legitimate_address): Also check for TFmode for E500
3921         double.
3922         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
3923         (spe_build_register_parallel): Handle TFmode and TCmode.
3924         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
3925         double.
3926         (function_arg): Handle TFmode and TCmode for E500 double.
3927         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
3928         in general.
3929         (print_operand): Handle TFmode and TImode for %y.
3930         (rs6000_generate_compare): Handle TFmode comparisons for E500
3931         double.
3932         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
3933         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
3934         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
3935         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
3936         TFmode for E500 double.
3937         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
3938         (floatsidf2): Enable for E500 double.
3939         (movtf_softfloat): Use rs6000_nonimmediate_operand.
3940         (extenddftf2): Change to extenddftf2_fprs.
3941         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
3942         depending on TARGET_E500_DOUBLE.
3943         (extendsftf2): Enable for E500 double.
3944         (trunctfdf2): Enable for E500 double.
3945         (trunctfsf2): Change to trunctfsf2_fprs.
3946         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
3947         depending on TARGET_E500_DOUBLE.
3948         (floatsitf2): Enable for E500 double.
3949         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
3950         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
3951         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
3952         (negtf2): Change to negtf2_internal.
3953         (negtf2): New expander.
3954         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
3955         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
3956         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
3957         (movdi_internal32): Use rs6000_nonimmediate_operand.
3958         (unnamed splitter): Likewise.
3959         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
3960         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
3961         (SPE64TF, DITI): New mode macros.
3962         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
3963         modes.
3964         (frob_tf_ti): New.
3965         (frob_<mode>_di_2): New.
3966         (frob_tf_di_8_2): New.
3967         (frob_di_df): Change to frob_di_<mode>; allow more modes.
3968         (frob_ti_tf): New.
3969         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
3970         more modes.
3971         (frob_ti_<mode>_8_2): New.
3972         (frob_ti_tf_2): New.
3973         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
3974         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
3975         TFmode.
3976         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
3977         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
3978         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
3979         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
3980         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
3981         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
3982         tsttflt_gp): New.
3984 2007-01-23  Ian Lance Taylor  <iant@google.com>
3986         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
3987         insn-*.o first.
3988         (OBJS-archive): Reformat, alphabetize.
3989         (OBJS): Change out_object_file to OBJS-md.
3991 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
3993         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
3994         JUMP_P and CALL_P predicates where applicable.
3995         * config/i386/i386.c: Ditto.
3996         * config/i386/i386.md: Ditto.
3997         * config/i386/mmx.md: Ditto.
3998         * config/i386/predicates.md: Ditto.
4000 2007-01-22  Andreas Schwab  <schwab@suse.de>
4002         * config/m68k/m68k.h: Fix comment.
4004 2007-01-22  Jan Hubicka  <jh@suse.cz>
4006         * passes.c (init_optimization_passes): Do not rerun
4007         pass_early_warn_uninitialized.
4009 2007-01-22  Richard Guenther  <rguenther@suse.de>
4011         PR tree-optimization/30038
4012         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
4013         function.
4014         (execute_cse_sincos_1): Likewise.
4015         (execute_cse_sincos): Likewise.
4016         (gate_cse_sincos): Likewise.
4017         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
4018         the cexpi() canonicalization of sincos().
4019         * tree-pass.h (pass_cse_sincos): Declare.
4020         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
4022 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4024         PR rtl-optimization/29329
4025         * combine.c (replaced_rhs_insn): Rename to i2mod.
4026         (replaced_rhs_value): Rename to i2mod_new_rhs.
4027         (i2mod_old_rhs): New global variable.
4028         (combine_instructions): Adjust for above change.  Save a copy of
4029         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
4030         note are substituted in the second instruction.
4031         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
4032         ditch the note if it pertains to the second eliminated register
4033         and this register is mentioned in i2mod_old_rhs.
4035         Revert:
4036         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4038         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4039         the insn to which the note was originally attached.
4041 2007-01-21  Jan Hubicka  <jh@suse.cz>
4043         * ipa-inline.c (inlining_mode): Comment, move up.
4044         (cgraph_decide_inlining_incrementally): Do not perform inlining
4045         itself; fix handling of flattening of self recursive functions.
4046         (cgraph_find_cycles): Remove.
4047         (cgraph_flatten_node): Remove.
4048         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
4049         (try_inline): New function.
4050         (cgraph_early_inlining): Update call of
4051         cgraph_decide_inlining_incrementally.  Apply inlining here.
4052         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
4054 2007-01-21  Dirk Mueller  <dmueller@suse.de>
4056         PR bootstrap/30511
4057         * tree-vrp.c (check_array_bounds): do not warn
4058         about ADDR_EXPR's of ARRAY_REF's which are immediately
4059         used in binary expressions.
4061 2007-01-21  Ira Rosen  <irar@il.ibm.com>
4063         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
4064         read_write_dep and macros for its access.
4065         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
4066         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
4067         argument, call vect_check_interleaving for every independent pair of
4068         data-refs. Mark loads that access the same memory location as a store
4069         in the loop.
4070         (vect_check_dependences): Remove.
4071         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
4072         call, fix the call to vect_analyze_data_ref_dependence.
4073         (vect_analyze_data_ref_access): For statements that access the same
4074         data-ref, check that they are not stores; for loads, check that there
4075         is no store that access the same location.
4077 2007-01-20  Roger Sayle  <roger@eyesopen.com>
4078             Joseph Myers  <joseph@codesourcery.com>
4080         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
4081         (-fdump-rtl-stack): Likewise.
4082         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
4083         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
4084         (-mpt-fixed): Use @minus{} for minus sign.
4085         (Using Precompiled Headers): Fix under/overfull hbox.
4087 2007-01-20  Jan Hubicka  <jh@suse.cz>
4089         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
4090         place within annotation.
4092 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4094         * pa.c (output_move_double): Change array size of xoperands to 4.
4096 2007-01-20  Jan Hubicka  <jh@suse.cz>
4098         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
4099         as temporary.
4101 2007-01-19  Ian Lance Taylor  <iant@google.com>
4103         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
4104         constant to unsigned HOST_WIDE_INT before negating.
4106 2007-01-19  Ian Lance Taylor  <iant@google.com>
4108         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
4109         to unsigned.
4110         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
4111         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4112         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
4113         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
4114         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4115         (realloc_vdef, realloc_vuse): Change second parameter to
4116         unsigned.
4117         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
4118         fields to unsigned.
4119         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
4120         unsigned. Change x and lim locals to unsigned.
4121         (realloc_vdef, realloc_vuse): Change num_elem parameter to
4122         unsigned.
4123         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
4124         (copy_virtual_operands): Change i and n locals to unsigned.
4126 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4128         PR middle-end/29335
4129         * builtins.c (fold_builtin_1): Handle builtin fdim.
4131 2007-01-20  Jan Hubicka  <jh@suse.cz>
4133         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
4134         * tree-ssa-structalias.c (compute_points_to_sets): Do call
4135         init_alias_heapvars.
4136         (init_alias_heapvars): Initialize only when not already initialized.
4137         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
4139 2007-01-19  Roger Sayle  <roger@eyesopen.com>
4141         * common.opt (fsigned-zeros): New command line option.
4142         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
4143         of flag_unsafe_math_optimizations.
4144         * opts.c (set_fast_math_flags): The -ffast-math command line option
4145         implies -fno-signed-zeros.
4146         (fast_math_flags_set_p): Likewise.
4148         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
4149         the documentation of -ffast-math appropriately.  Wrap long lines.
4151 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
4153         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
4154         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
4156 2007-01-19  Tomas Bily  <tbily@suse.cz>
4158         * cgraphunit.c (cgraph_finalize_function): Updating of pid
4159         * tree-profile.c:
4160         (tree_init_ic_make_global_vars): New function
4161         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
4162         (tree_gen_ic_profiler): New function
4163         (tree_gen_ic_func_profiler): New function
4164         (tree_profiling): Added calling of tree_gen_ic_func_profiler
4165         (tree_profile_hooks): Added hook for indirec/virtual calls
4166         * value-prof.c (tree_find_values_to_profile): New case for
4167         indirect calls
4168         (tree_values_to_profile): Call for determining indirect/virtual
4169         counters
4170         (tree_indirect_call_to_profile): New function
4171         (tree_ic_transform): New function
4172         (tree_ic): New function
4173         (find_func_by_pid): New function
4174         (init_pid_map): New function
4175         (tree_value_profile_transformations): Added check for
4176         indirect/virtual call transformation
4177         * value-prof.h (enum hist_type): New counter type for
4178         indirect/virtual calls
4179         (profile_hooks): Added new hook for profiling indirect/virtual
4180         calls
4181         * profile.c (instrument_values): New case for indirect/virtual
4182         call added
4183         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
4184         (GCOV_COUNTER_V_INDIR): New counter type
4185         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
4186         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
4187         call added
4188         * cgraph.c: Definition of cgraph_max_pid
4189         (cgraph_create_node): Default init of pid attribute
4190         * cgraph.h: Declaration of cgraph_max_pid
4191         (struct cgraph_node): Added pid attribute
4192         * libgcov.c (__gcov_indirect_call_profiler): New function
4193         (__gcov_one_value_profiler_body): New function
4194         (__gcov_one_value_profiler): Body was moved to
4195         __gcov_one_value_profiler_body and calls it
4197 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
4199         * doc/gty.texi (Options): Document the mark_hook option to GTY.
4200         * gengtype.c (write_types_data, write_func_for_structure,
4201         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
4202         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
4203         (walk_type, write_func_for_structure): Generate the mark_hook if
4204         needed.
4206 2007-01-19  Jan Hubicka  <jh@suse.cz>
4208         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
4209         'early' argument take inlining mode argument specifying whether to
4210         inline for size/speeed or all functions; add support for flattening;
4211         improve dumpting.
4212         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
4214 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4216         PR c++/17947
4217         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
4218         the name of the declared identifier.
4220 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4222         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
4223         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
4224         duplicate evaluation.
4226 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4228         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
4229         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
4230         to XFMode, use acosxf2 and truncate result to requested mode.
4231         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4232         (asin<mode>2): Similarly, with asin expanders.
4233         (*fscalexf4_i387): Rename from *fscalexf4.
4234         (expNcorexf3): New expander.
4235         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
4236         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
4237         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
4238         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
4239         patterns for SSE math.
4240         (exp10<mode>2): Similarly, with exp10 expanders.
4241         (exp2<mode>2): Similarly, with exp2 expanders.
4242         (expm1<mode>2): Similarly, with expm1 expanders.
4243         (ldexp<mode>3): Similarly, with ldexp expanders.
4244         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
4245         Use gen_truncxf<mode>2_i387_noop to truncate result.
4247 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4249         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
4250         for ColdFire targets.
4252 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
4253             Richard Sandiford  <richard@codesourcery.com>
4255         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
4256         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
4257         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
4258         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
4259         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4260         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4262 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4264         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
4265         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
4266         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
4267         (*adddi_dilshr32_cf): New pattern.
4268         (adddi3, subdi3): Remove first alternatives.
4270 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4272         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
4273         implemented using move.l, do not use its cc result for floating-point
4274         comparisons.
4276 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4278         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
4279         from accepting 's' constraints if flag_pic.
4281 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4283         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
4284         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
4285         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
4286         condition from TARGET_68881 to TARGET_HARD_FLOAT.
4288 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
4290         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
4291         ColdFire alternatives.
4292         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
4293         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
4294         architectures that support ff1 instruction.
4296 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4297             Julian Brown  <julian@codesourcery.com>
4299         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
4300         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
4301         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
4302         Add commentary.
4304 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4306         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
4307         and return a bool.
4308         (output_move_const_into_data_reg, output_move_simode_const): Delete.
4309         * config/m68k/m68k.c (const_method, const_int_cost): Take a
4310         HOST_WIDE_INT instead of an rtx.
4311         (m68k_rtx_costs): Update call accordingly.
4312         (output_move_const_into_data_reg): Likewise.  Fix formatting.
4313         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
4314         Return a bool.
4315         (output_move_simode_const): Update calls after above changes.
4316         Rework to use automatic variables and predicates like MEM_P.
4317         * config/m68k/m68k.md (pushexthisi_const): Update call to
4318         valid_mov3q_const.
4320 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4322         * tree-ssa-alias.c (perform_var_substitution): Fix typo
4323         in dump_flags test.
4325 2007-01-19  Richard Guenther  <rguenther@suse.de>
4327         * builtins.c (expand_builtin_cexpi): Fall back to expanding
4328         via cexp in case sincos is not available.
4330 2007-01-19  Richard Guenther  <rguenther@suse.de>
4332         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
4333         * defaults.h (TARGET_HAS_SINCOS): Default to off.
4334         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
4335         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
4336         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
4337         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
4338         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
4339         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
4341 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4343         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
4344         New insn patterns.
4345         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
4346         (atan2xf3): Directly generate RTL pattern.
4347         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
4348         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4349         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4350         disable patterns for SSE math.
4351         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
4352         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4353         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4354         disable patterns for SSE math.
4356 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
4358         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
4360 2007-01-18  Roger Sayle  <roger@eyesopen.com>
4362         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
4363         VIEW_CONVERT_EXPR to the same type as it's operand.
4365 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
4367         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
4368         configured for long double 128.
4370 2007-01-18  Mike Stump  <mrs@apple.com>
4372         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
4373         error.
4375 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
4377         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
4378         type correct.
4380 2007-01-18  Jan Hubicka  <jh@suse.cz>
4382         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
4383         greater than NUM_VOP_FREE_BUCKETS.
4385 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
4387         * tree-ssa-structalias.c: Update comments.
4388         (ptabitmap_obstack): Removed.
4389         (pta_obstack): New.
4390         (oldpta_obstack): Ditto.
4391         (stats): Add a few members.
4392         (struct variable_info): Remove node, complex, address_taken, and
4393         indirect_target members. Add oldsolution member.
4394         (new_var_info): Do not initialize removed members.
4395         (constraint_expr_type): Remove INCLUDES.
4396         (constraint_graph): Add size, implicit_preds, rep,
4397         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
4398         (FIRST_REF_NODE): New macro.
4399         (LAST_REF_NODE): Ditto.
4400         (FIRST_ADDR_NODE): Ditto.
4401         (find): New function.
4402         (unite): Ditto.
4403         (dump_constraint): Do not handle INCLUDES.
4404         (insert_into_complex): Do not insert duplicate constraints.
4405         (condense_varmap_nodes): Renamed and rewritten into ...
4406         (merge_node_constraints): This. Also fix bug in handling of
4407         offseted copy constraints.
4408         (clear_edges_for_node): No longer need to deal with preds at all,
4409         or removing associated preds/succs.
4410         (merge_graph_nodes): Deal with indirect_cycles.
4411         Don't deal with predecessors.
4412         (add_implicit_graph_edge): New function.
4413         (add_pred_graph_edge): Ditto.
4414         (add_graph_edge): Don't deal with predecessors.
4415         (build_constraint_graph): Removed.
4416         (build_pred_graph): New function.
4417         (build_succ_graph): Ditto.
4418         (struct scc_info): Removed in_component. Added roots, dfs, and
4419         node_mapping. Remove visited_index, unification_queue.
4420         (scc_visit): Deal with union-find we do now.
4421         Deal with cycles with REF nodes.
4422         (collapse_nodes): Renamed and rewritten to ...
4423         (unify_nodes): This.
4424         (process_unification_queue): Removed.
4425         (topo_visit): Cleanup
4426         (do_da_constraint): Use find.
4427         (do_sd_constraint): Ditto.
4428         (do_ds_constraint): Ditto.
4429         (do_complex_constraint): Ditto.
4430         (init_scc_info): Update for removed and added members.
4431         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
4432         (find_indirect_cycles): This.
4433         (equivalence_class): New variable.
4434         (label_visit): New function.
4435         (perform_variable_substitution): Rewritten.
4436         (free_var_substitution_info): New function.
4437         (find_equivalent_node): Ditto.
4438         (move_complex_constraints): Ditto.
4439         (eliminate_indirect_cycles): Ditto.
4440         (solve_graph): Only propagate changed bits.
4441         Use indirect cycle elimination.
4442         Use find.
4443         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
4444         (tree_id_eq): Renamed to ...
4445         (tree_vi_eq): This. Update for member change
4446         (insert_id_for_tree): Renamed and rewritten to ...
4447         (insert_vi_for_tree): This.
4448         (lookup_id_for_tree): Renamed and rewritten to ...
4449         (lookup_vi_for_tree): This.
4450         (get_id_for_tree): Renamed and rewritten to ...
4451         (get_vi_for_tree): Ditto.
4452         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
4453         (process_constraint): Don't handle INCLUDES.
4454         Remove special ADDRESSOF case.
4455         (find_func_aliases): Rewrite to use vi functions instead of id
4456         ones.
4457         (create_function_info_for): Ditto.
4458         (create_variable_info_for): Ditto.
4459         (intra_create_variable_infos): Ditto.
4460         (merge_smts_into): Ditto.
4461         (find_what_p_points_to): Ditto.
4462         (init_base_vars): Ditto.
4463         (init_alias_vars): Ditto.
4464         (remove_preds_and_fake_succs): New function.
4465         (dump_sa_points_to_info): Dump new stats.
4466         (dump_solution_for_var): Use find.
4467         (set_used_smts): Fix formatting.
4468         (compute_points_to_sets): Updated for new functions.
4469         (ipa_pta_execute): Ditto.
4471 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4472             Richard Sandiford  <richard@codesourcery.com>
4474         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
4475         parallels.
4476         * calls.c (expand_call): If the return value is a PARALLEL,
4477         extract its first member.
4478         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
4479         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4480         use FUNCTION_EXTRA_EPILOGUE.
4481         (m68k_function_value): Return a PARALLEL if the return value
4482         is of a pointer type.
4483         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
4484         (FUNCTION_EXTRA_EPILOGUE): Remove.
4485         * config/m68k/m68k.md (D0_REG): New constant.
4487 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4489         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4490         output a NOP for empty epilogues.
4492 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4494         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
4495         before function.  Extend register save check to include all
4496         registers, not just integer ones.
4498 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4500         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
4501         (m68k_use_return_insn): ...this.
4502         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
4503         * config/m68k/m68k.c (use_return_insn): Rename to...
4504         (m68k_use_return_insn): ...this.
4505         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
4506         of USE_RETURN_INSN.
4508 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4510         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
4511         nearest even, fix denormal rounding overflow.
4513 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4515         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
4516         f%$smove and f%$move.
4517         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
4518         (extendsfdf2_cf): Use fdmove instead of f%&move.
4519         (truncdfsf2_cf): Use fsmove instead of f%$smove.
4520         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
4522 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4524         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
4525         GPR<-GPR moves.
4527 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4529         * real.h (real_format): Add a canonical_nan_lsbs_set field.
4530         (coldfire_single_format): Declare.
4531         (coldfire_double_format): Likewise.
4532         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
4533         of qnan_msb_set to determine the lower bits of a canonical
4534         NaN significand.
4535         (encode_ieee_double): Likewise.
4536         (encode_ieee_quad): Likewise.
4537         (ieee_single_format): Initialize canonical_nan_lsbs_set.
4538         (mips_single_format): Likewise.
4539         (ieee_double_format): Likewise.
4540         (mips_double_format): Likewise.
4541         (ieee_extended_motorola_format): Likewise.
4542         (ieee_extended_intel_96_format): Likewise.
4543         (ieee_extended_intel_128_format): Likewise.
4544         (ieee_extended_intel_96_round_53_format): Likewise.
4545         (ibm_extended_format): Likewise.
4546         (mips_extended_format): Likewise.
4547         (ieee_quad_format): Likewise.
4548         (mips_quad_format): Likewise.
4549         (vax_f_format): Likewise.
4550         (vax_d_format): Likewise.
4551         (vax_g_format): Likewise.
4552         (i370_single_format): Likewise.
4553         (i370_double_format): Likewise.
4554         (decimal_single_format): Likewise.
4555         (decimal_double_format): Likewise.
4556         (decimal_quad_format): Likewise.
4557         (c4x_single_format): Likewise.
4558         (c4x_extended_format): Likewise.
4559         (real_internal_format): Likewise.
4560         (coldfire_single_format): New real_format.
4561         (coldfire_double_format): Likewise.
4562         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
4563         canonical_nan_lsbs_set.
4564         (pdp11_d_format): Likewise.
4565         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4566         if TARGET_COLDFIRE_CPU.
4568 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4570         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4571         (output_call, m68k_legitimize_call_address): Declare.
4572         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4573         parenthesees.  Add support for a 'W' constraint.
4574         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4575         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4576         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4577         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4578         variables.
4579         (override_options): Initialize them.  Do not set flag_no_function_cse
4580         for TARGET_ID_SHARED_LIBRARY.
4581         (m68k_output_pic_call): Delete.
4582         (m68k_legitimize_call_address): New function.
4583         (print_operand): Remove the %o prefix.  Handle the %p prefix.
4584         (output_call): New function.
4585         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
4586         target address from the GOT if symbolic jumps are not allowed.
4587         * config/m68k/m68k.md (call, general_operand): Do not set
4588         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
4589         Merge separate flag_pic and !flag_pic define_insns into...
4590         (*call, *call_value): ...these new patterns.  Match the address
4591         rather than the containing MEM and require it to be a call_operand.
4592         Use output_call to generate the asm template.
4593         * config/m68k/predicates.md (const_call_operand): New predicate.
4594         (call_operand): Likewise.
4596 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4598         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4599         (STACK_GROWS_DOWNWARD): Define to 1.
4600         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4601         comments, emphasizing that these values are only defaults.
4602         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4603         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4605 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4607         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4609 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4610             Richard Sandiford  <richard@codesourcery.com>
4612         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4613         (FP_REGNO_P): New macros.
4614         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4615         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4616         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4617         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4619 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4621         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4622         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4623         to $tmake_file.
4624         * config/m68k/t-floatlib: New file, extracting common code from...
4625         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4626         * config/m68k/t-uclinux: Here.
4627         * config/m68k/fpgnulib.c: Do not compile extendeed precision
4628         routines on ColdFire targets.
4630 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4632         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4633         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4634         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4635         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4636         explicitly set MOTOROLA to 1.
4637         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4639 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4640             Nathan Sidwell  <nathan@codesourcery.com>
4642         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4643         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4644         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4645         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4646         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4647         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4648         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4649         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4650         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4651         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4652         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4653         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4654         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4655         (DBX_REGISTER_NUMBER): Delete.
4656         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4657         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4658         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4660 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4662         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4663         * config/flat.h: New file.
4664         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4665         OBJECT_FORMAT_FLAT.
4666         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4667         indirect references for -msep-data or -mid-shared-library.
4668         Do not use PC-relative code addresses either.
4669         * config/m68k/m68k.c (override_options): Restrict -fPIC error
4670         to -mpcrel.
4671         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
4672         for shared libraries and crt1.o for executables.  Use crti.o and
4673         crtbegin.o.
4674         (ENDFILE_SPEC): Use crtend.o and crtn.o.
4675         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4676         Do not add -elf2flt or -shared-lib-id options here.
4677         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
4678         Pass -shared-lib-id if -mid-shared-library, taking the library
4679         identifier from -mshared-library-id if given, otherwise
4680         defaulting to 0.
4681         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4682         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4683         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4684         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4685         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4686         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4687         and crtend.o.
4688         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4689         jump sequence for ISA A and ISA A+.
4690         (PICJUMP): Likewise.
4692 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4694         * config.gcc (m68k-*-uclinux*): Base the port on the common
4695         and m68k GNU/Linux files rather than on the generic ELF ones.
4696         * config/m68k/uclinux.h (TARGET_VERSION): Override.
4697         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4699 2007-01-18  Julian Brown  <julian@codesourcery.com>
4700             Richard Sandiford  <richard@codesourcery.com>
4702         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4703         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4704         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4705         before redefining.
4706         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4707         80 unconditionally.
4708         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4710 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4712         * doc/install.texi: Document m68k-uclinuxoldabi.
4713         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
4714         * config/m68k/uclinux-oldabi.h: New file, copied from
4715         config/m68k/uclinux.h.
4717 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
4719         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
4720         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
4721         (m32r_compute_frame_size): Use unsigned for regno.
4722         (m32r_reload_lr): Use gen_frame_mem.
4723         (pop): New.
4724         (m32r_output_function_epilogue): Don't output the function epilogue
4725         textually here.
4726         (m32r_expand_epilogue): New.
4727         (direct_return): Return false if the function has the interrupt
4728         attribute.
4729         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
4730         * config/m32r/m32r.md (epilogue): New expander.
4731         (return_lr, return_rte): New insns.
4732         (return): Make it expander.
4733         (return_normal): New expander.
4735 2007-01-18  Josh Conner  <jconner@apple.com>
4737         PR target/30485
4738         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
4739         support for UNLE, UNLT, UNGE, and UNGT.
4741 2007-01-18  Jan Hubicka  <jh@suse.cz>
4743         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
4744         * tree-tailcall (add_virtual_phis): Likewise.
4745         (optimize_tail_call): Return TODOs.
4746         (execute_tail_calls): Return TODOs.
4747         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
4748         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
4749         changed.
4750         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4751         Cleanup cfg using TODO.
4752         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
4753         * passes.c (execute_function_todo): When cleanup did something, remove
4754         unused locals.
4755         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
4756         (make_edges): Don't cleanup_cfg.
4758 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
4760         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
4761         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
4762         operate on the top of stack.
4763         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
4764         register handling of instructions that output to the second
4765         stack slot.
4766         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
4767         (move_for_stack_reg): Special-case check for dead destination
4768         stack slot for constant load of 1.0 inside UNSPEC_TAN.
4770         * config/i386/i386.md (UNSPEC_TAN): New constant.
4771         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
4772         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
4773         to correctly model move of constant 1.0 to top stack slot.
4774         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
4775         (unnamed peephole2 pattern): Remove corresponding peephole2
4776         pattern that optimizes tan insn and loading of constant 1.0.
4777         (tanxf2): Use fptanxf4_i387.
4778         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
4779         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
4780         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4781         disable patterns for SSE math.
4782         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
4783         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
4785 2007-01-18  Dirk Mueller  <dmueller@suse.de>
4786             Richard Guenther <rguenther@suse.de>
4788         PR diagnostic/8268
4789         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
4790         * common.opt (Warray-bounds): Add new warning option.
4791         * c-opts.c (c_common_handle_option): Define -Warray-bounds
4792         if -Wall is given.
4793         * Makefile.in: make tree-vrp.o depend on toplev.h
4794         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
4795         is enabled.
4796         (check_array_refs, check_array_bounds, check_array_ref): New.
4798 2007-01-18  Jan Hubicka  <jh@suse.cz>
4800         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
4801         (execute_ssa_ccp): Return flags conditionally.
4802         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
4803         changed.
4804         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
4806 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
4808         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
4809         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
4811         * Makefile.c (GTFILES): Add cfglayout.h.
4812         * gengtype.c (open_base_files): Likewise.
4813         * cfglayout.c (cfg_layout_function_footer,
4814         cfg_layout_function_header) Reindent to make gengtype happy.
4815         * cfglayout.h (cfg_layout_function_footer,
4816         cfg_layout_function_header): Add GTY(()) marker.
4818         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
4820 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4822         * genautomata.c (write_automata): Include xstrerror output in the
4823         error message if writing the DFA description file fails.
4825 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
4827         * config/mips/mips-protos.h (mips_output_external): Make it
4828         return void.
4829         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
4830         * config/mips/mips.c (irix_output_external_libcall): Likewise.
4831         (extern_list): Likewise.
4832         (extern_head): Likewise.
4833         (TARGET_ASM_FILE_END): Likewise.
4834         (mips_file_end): Likewise.
4835         (mips_output_external): Rewritten.
4837 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4839         * genpreds.c (write_insn_preds_c): Only write out the function
4840         body for regclass_for_constraint if we have register constraints.
4842 2007-01-17  Tom Tromey  <tromey@redhat.com>
4844         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
4845         * doc/install.texi (Testing): Use sourceware.org.
4846         (Binaries): Likewise.
4847         (Specific): Likewise.
4848         * doc/contrib.texi (Contributors): Use sourceware.org.
4850 2007-01-17  Anatoly Sokolov <aesok@post.ru>
4852         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
4853         (AVR_ENHANCED): Rename to ...
4854         (AVR_HAVE_MUL): ... new.
4855         (avr_enhanced_p): Rename to ...
4856         (avr_have_mul_p): ... new.
4857         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
4858         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
4859         * config/avr/avr.c (avr_enhanced_p): Rename to ...
4860         (avr_have_mul_p): ... new.
4861         (base_arch_s): Rename 'enhanced' to 'have_mul'.
4862         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
4863         'avr_enhanced_p' and 'enhanced'.
4864         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
4865         AVR_HAVE_MUL instead of AVR_ENHANCED.
4866         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4867         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
4868         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
4869         instead of AVR_ENHANCED.
4870         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
4871         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
4872         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
4874 2007-01-17  Ian Lance Taylor  <iant@google.com>
4876         * vec.h (VEC_reserve_exact): Define.
4877         (vec_gc_p_reserve_exact): Declare.
4878         (vec_gc_o_reserve_exact): Declare.
4879         (vec_heap_p_reserve_exact): Declare.
4880         (vec_heap_o_reserve_exact): Declare.
4881         (VEC_OP (T,A,reserve_exact)): New static inline function, three
4882         versions.
4883         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
4884         negative parameter.
4885         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
4886         (VEC_OP (T,A,copy)) [all versions]: Likewise.
4887         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
4888         * vec.c (calculate_allocation): Add exact parameter.  Change all
4889         callers.
4890         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
4891         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
4892         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
4893         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
4894         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
4895         (vec_heap_p_reserve_exact): New function.
4896         (vec_heap_o_reserve_exact): New function.
4898 2007-01-17  Jan Hubicka  <jh@suse.cz>
4900         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
4902 2007-01-17  Eric Christopher  <echristo@apple.com>
4904         * config.gcc: Support core2 processor.
4906 2007-01-16  Jan Hubicka  <jh@suse.cz>
4908         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
4909         the names, just unlink the chain so we don't crash on dangling pointers
4910         to dead SSA names.
4912 2007-01-16  Jan Hubicka  <jh@suse.cz>
4914         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
4915         * tree-pass.h: Reorder to make IPA passes appear toegher.
4916         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
4917         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
4918         parameters, do not call early inliner.
4919         * ipa-inline.c: Update comments.  Include tree-flow.h
4920         (cgraph_decide_inlining): Do not compute inlining parameters.
4921         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
4922         be called with function context set up.
4923         (pass_ipa_inline): Remove unreachable functions before pass.
4924         (cgraph_early_inlining): Simplify assuming to be called from the
4925         PM as local pass.
4926         (pass_early_inline): New pass.
4927         (cgraph_gate_ipa_early_inlining): New gate.
4928         (pass_ipa_early_inline): Turn into simple wrapper.
4929         (compute_inline_parameters): New function.
4930         (gate_inline_passes): New gate.
4931         (pass_inline_parameters): New pass.
4932         (apply_inline): Move here from tree-optimize.c
4933         (pass_apply_inline): New pass.
4934         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
4935         transforming.
4936         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
4937         doing them by hand.
4938         (tree_function_versioning): Do not allocate dummy struct function.
4939         * tree-inline.h (optimize_inline_calls): Update prototype.
4940         * tree-optimize.c (execute_fixup_cfg): Export.
4941         (pass_fixup_cfg): Remove
4942         (tree_rest_of_compilation): Do not apply inlines.
4943         * tree-flow.h (execute_fixup_cfg): Declare.
4944         * Makefile.in (gt-passes.c): New.
4945         * passes.c: Include gt-passes.h
4946         (init_optimization_passes): New passes.
4947         (nnodes, order): New static vars.
4948         (do_per_function_toporder): New function.
4949         (execute_one_pass): Dump current pass here.
4950         (execute_ipa_pass_list): Don't dump current pass here.
4952 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
4954         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
4955         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
4957 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
4959         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
4960         (strong_alias): Define.
4961         (__gcc_qmul): Provide non-FMA for soft-float.
4962         (__gcc_qdiv): Same.
4963         (__gcc_qneg): New.
4964         (__gcc_qeq): New.
4965         (__gcc_qle): New.
4966         (__gcc_qge): New.
4967         (__gcc_qunord): New.
4968         (__gcc_stoq): New.
4969         (__gcc_dtoq): New.
4970         (__gcc_qtos): New.
4971         (__gcc_qtod): New.
4972         (__gcc_qtoi): New.
4973         (__gcc_qtou): New.
4974         (__gcc_itoq): New.
4975         (__gcc_utoq): New.
4976         (fmsub): New.
4977         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
4978         soft-float functions.
4979         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
4980         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
4981         about long double soft float.
4983 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
4984             Tehila Meyzels  <tehila@il.ibm.com>
4986         * tree-vectorizer.h (is_pattern_stmt_p): New.
4987         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
4988         formatting (tabs instead of spaces). Cleanup and clarify setting
4989         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
4990         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
4991         (vectorizable_type_demotion): Check that types are integral.
4992         (vectorizable_type_promotion): Likewise.
4993         (vectorizable_store): Fix typo.  Eliminate new-line at end of
4994         comments.
4996 2007-01-16  Jan Hubicka  <jh@suse.cz>
4998         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
4999         cgraph edges too.
5001 2007-01-15  Eric Christopher  <echristo@apple.com>
5003         * ifcvt.c: Include vec.h, vecprim.h.
5004         (check_cond_move_block): New argument regs.
5005         Reorganize. Add registers used to regs.
5006         (cond_move_process_if_block): Use regs set above as
5007         loop bounds.
5009 2007-01-15  Eric Christopher  <echristo@apple.com>
5011         * config/darwin.h: Update copyright.
5012         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
5013         (LINK_COMMAND_SPEC): Add -u.
5014         (LINK_SPEC): Fix umbrella for above.
5016 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
5018         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
5019         glibc CVS.
5021 2007-01-15  Tom Tromey  <tromey@redhat.com>
5023         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
5024         * doc/install.texi (Testing): Don't mention jacks.
5025         (Configuration): Document --enable-java-maintainer-mode.  Move
5026         --with-java-home to libgcj-specific section.  Document
5027         --with-ecj-jar.
5028         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
5030 2007-01-15  Jan Hubicka  <jh@suse.cz>
5032         * tree-ssa-dce.c (DCE_TODOs): New.
5033         (propagate_necessity): Return if something changed.
5034         (eliminate_unnecessary_stmts): Likewise.
5035         (perform_tree_ssa_dce): Return TODO flags when needed.
5036         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
5038 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
5040         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
5041         (fyl2x_extend<mode>xf3_i387): New insn pattern.
5042         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
5043         patterns using X87MODEF12 mode macro.  Extend operand 1
5044         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
5045         (log10<mode>2): Ditto.
5046         (log2<mode>2): Ditto.
5047         (log1p<mode>2): Ditto.
5048         (logb<mode>2): Ditto.
5049         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
5050         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
5051         (*fxtractxf3_i387): Rename from *fxtractxf3.
5052         (fxtract_extend<mode>xf3_i387): New insn pattern.
5053         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
5054         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
5055         and gen_fyl2xxf3_i387().
5057 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
5059         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
5060         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
5061         get_loop_exit_edges.  Changed return type to bool.
5062         * cfgloop.h (fix_loop_placement): Declaration removed.
5064 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
5066         * param.h (MIN_VECT_LOOP_BOUND): New.
5067         * params.def (MIN_VECT_LOOP_BOUND): New.
5068         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
5069         argument - minimum threshold for number of iterations.
5070         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
5071         argument to declaration.
5072         * tree-vect-analyze.c (vect_analyze_operations): Check value of
5073         MIN_VECT_LOOP_BOUND.
5074         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
5075         slpeel_tree_peel_loop_to_edge with additional argument.
5076         (vect_do_peeling_for_alignment): Likewise.
5077         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
5079 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
5081         PR target/30413
5082         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
5083         operands of size 1.
5085 2007-01-14  Jan Hubicka  <jh@suse.cz>
5087         * tree-dfa.c (remove_referenced_var): New function.
5088         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
5089         prune referenced vars list too.
5090         * tree-flow.h (remove_referenced_var): Declare.
5092 2007-01-14  Jan Hubicka  <jh@suse.cz>
5094         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
5095         separately.
5096         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
5097         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
5098         * except.h (verify_eh_throw_table_statements): Kill prototype.
5099         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
5100         into call exrepssions.
5101         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
5102         eh trhow verifier.
5103         * tree-cfg.c: Include pointer-set.h.
5104         (verify_node_sharing): Work on pointer set.
5105         (verify_eh_throw_stmt_node): New.
5106         (verify_stmts): Use pointers sets, verify throw_stmt.
5108 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
5110         * ipa-reference.c (analyze_function): Consider also addresses taken
5111         in phi nodes.
5113 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5115         * c-typeck.c (null_pointer_constant_p): Replace use of
5116         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5117         (build_c_cast): Likewise.
5119 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5121         * tree.h (force_fit_type_double): Remove unused final argument.
5122         * c-common.c (constant_expression_warning): Replace use of
5123         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5124         (convert_and_check): Likewise.
5125         (shorten_compare): Update call to force_fit_type_double.
5126         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
5127         * convert.c (convert_to_pointer): Update call to
5128         force_fit_type_double.
5129         * fold-const.c (force_fit_type_double): Remove overflowed_const
5130         argument.
5131         (int_const_binop, fold_convert_const_int_from_int,
5132         fold_convert_const_int_from_real, fold_div_compare,
5133         fold_sign_changed_comparison, fold_unary, fold_negate_const,
5134         fold_abs_const, fold_not_const): Remove the final argument from
5135         calls to force_fit_type_double.
5137 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5139         * configure.ac: Set insn to "nop" for spu-*-* also.
5140         * configure: Regenerate.
5142 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
5144         * builtins.def : Add BUILT_IN_FREE.
5146 2007-01-12  Jan Hubicka  <jh@suse.cz>
5148         PR tree-optimization/30443
5149         * tree-inline.c (tree_function_versioning): Do not optimize when
5150         cloning for inlining.
5152 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
5154         * doc/loop.texi: Document recording of loop exits.
5155         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
5156         (update_single_exits_after_duplication,
5157         update_single_exit_for_duplicated_loop,
5158         update_single_exit_for_duplicated_loops): Removed.
5159         (duplicate_loop_to_header_edge): Do not call
5160         update_single_exits_after_duplication and
5161         update_single_exit_for_duplicated_loops.
5162         (loop_version): Do not update single_exit information.
5163         (fix_loop_structure): Use record_loop_exits instead of
5164         mark_single_exit_loops.
5165         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
5166         the lists of loop exits.
5167         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
5168         split_edge, merge_blocks): Update the lists of loop exits.
5169         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
5170         loop_optimizer_init.
5171         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
5172         of mark_single_exit_loops.
5173         (loop_optimizer_finalize): Call release_recorded_exits.
5174         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
5175         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
5176         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
5177         update single exit information.
5178         * lambda-code.c (perfect_nestify): Ditto.
5179         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
5180         (mark_single_exit_loops): Removed.
5181         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
5182         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
5183         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
5184         functions.
5185         (get_loop_exit_edges, single_exit): Use recorded exit lists.
5186         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
5187         (verify_loop_structure): Verify consistency of the exit lists.
5188         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
5189         (set_single_exit): Removed.
5190         * cfgloop.h (struct loop_exit): New function.
5191         (struct loop): single_exit_ field replaced by exits field.
5192         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
5193         (struct loops): Added exits hash.
5194         (mark_single_exit_loops, set_single_exit): Declaration removed.
5195         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
5197 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5199         * doc/invoke.texi: Avoid use of @headitem.
5201 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5203         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
5205 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5207         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
5208         list of targets.
5210 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5211             Richard Sandiford  <richard@codesourcery.com>
5213         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
5214         * config/m68k/m68k.opt: Resort options.
5215         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
5217 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5218             Richard Sandiford  <richard@codesourcery.com>
5220         * doc/invoke.texi: Document the macros that are defined by
5221         m68k's -mtune and -mhard-float options.
5222         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
5223         (m68k_cpp_cpu_family): Likewise.
5224         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
5225         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
5226         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
5227         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
5228         (m68k_cpp_cpu_family): Likewise.
5230 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5232         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
5233         macros besides mc68000 as tuning macros.  Use a switch statement
5234         to set them and mcpu32.
5236 2007-01-12  Julian Brown  <julian@codesourcery.com>
5238         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
5239         (TARGET_68040_ONLY): Rename to...
5240         (TARGET_68040): ...this.
5241         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
5242         * config/m68k/m68k.md: Likewise.
5244 2007-01-12  Julian Brown  <julian@codesourcery.com>
5245             Nathan Sidwell  <nathan@codesourcery.com>
5246             Richard Sandiford  <richard@codesourcery.com>
5248         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
5249         the -mcpu= argument associated with the --with-cpu setting.
5250         Define M68K_DEFAULT_TUNE to the default -mtune= option,
5251         if different from the one implied by the -mcpu setting.
5252         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
5253         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
5254         * doc/invoke.texi: Mention ColdFire in the introduction to the
5255         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
5256         -mno-div and -mhard-float options.  Make -m68881 a synonym for
5257         -mhard-float.  Document the previously-undocumented -m5206e,
5258         -m528x, -m5307 and -m5407 options.  Tweak the existing option
5259         documentation for consistency.
5260         * doc/install.texi: Mention new --with-cpu arguments.
5261         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
5262         default CPU if neither -mcpu nor -march are specified.
5263         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
5264         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
5265         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
5266         using m68k_tune to decide between families that implement the
5267         same ISA.  Use m68k_tune to set __mcfv4e__.
5268         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
5269         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
5270         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
5271         (FL_ISA_C, FL_ISA_MMU): New macros.
5272         (MASK_COLDFIRE): Delete.
5273         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
5274         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
5275         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
5276         (TARGET_HARD_FLOAT): Do not define here.
5277         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
5278         (TUNE_68000): New macro.
5279         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
5280         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
5281         (TUNE_CFV2): Redefine in terms of m68k_tune.
5282         (uarch_type, target_device, fpu_type): New enums.
5283         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
5284         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
5285         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
5286         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
5287         (FL_FOR_isa_c): New macros.
5288         (m68k_isa): New enum.
5289         (m68k_target_selection): New structure.
5290         (all_devices, all_isas, all_microarchs): New tables.
5291         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
5292         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
5293         (MASK_ALL_CPU_BITS): Delete.
5294         (m68k_find_selection): New function.
5295         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
5296         Map the legacy target options to a combination of the new ones.
5297         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
5298         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
5299         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
5300         settings.
5301         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
5302         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
5303         properties.
5304         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
5305         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
5306         * config/m68k/m68k-devices.def: New file.
5308 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5309             Nathan Sidwell  <nathan@codesourcery.com>
5311         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
5312         (SUBTARGET_EXTRA_SPECS): New macros.
5313         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
5314         use %(asm_cpu_spec) instead.
5315         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
5316         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
5317         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
5318         (EXTRA_SPECS): Rename to...
5319         (SUBTARGET_EXTRA_SPECS): ...this.
5321 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5322             Richard Sandiford  <richard@codesourcery.com>
5323             Julian Brown  <julian@codesourcery.com>
5325         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
5326         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
5327         to the configuration's default CPU.
5328         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
5329         Remove default masks.
5330         (m680[012]0-*-*): Set the default with_cpu to the first part of
5331         the target name.
5332         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
5333         (m68k*-*-linux): Extend the --with-cpu handling to...
5334         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
5335         and m68010.  Don't set target_cpu_default2.
5336         * doc/install.texi: Document --with-cpu for m68k.
5337         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
5338         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
5339         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
5340         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
5341         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
5342         (ASM_SPEC): Remove use of %(asm_cpu_default).
5343         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
5344         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
5345         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
5346         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
5347         __HAVE_FPU__ if TARGET_HARD_FLOAT.
5348         (TARGET_DEFAULT): Delete.
5349         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
5350         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
5351         (CPP_CPU_SPEC): Delete.
5352         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
5353         the appropriate string.
5354         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
5355         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
5356         (ASM_SPEC): Don't use %(asm_default_spec).
5357         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5358         TARGET_DEFAULT and add MASK_68881.
5359         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
5361 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5363         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
5364         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
5365         MASK_68010 alongside MASK_68020.
5366         * doc/invoke.texi: Document -m68010.
5367         * config/m68k/m68k.opt (m68010): New.
5368         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
5369         if TUNE_68010.
5370         (TUNE_68010): New macro.
5371         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
5372         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
5373         (M68K_CPU_m68332): Add MASK_68010.
5374         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
5375         fallback definition.
5376         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
5377         defines.
5378         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
5379         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
5380         to all entries that use MASK_68020.
5381         (output_move_simode_const, output_move_himode, output_move_qimode)
5382         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
5383         instead of TARGET_68020 to select clr behavior.  Remove comment
5384         about there being no TARGET_68010.
5385         * config/m68k/m68k.md: Likewise throughout.
5387 2007-01-12  Julian Brown  <julian@codesourcery.com>
5389         * config/m68k/m68k.h (TARGET_ISAB): New macro.
5390         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
5391         * config/m68k/m68k.md: Likewise.
5393 2007-01-12  Julian Brown  <julian@codesourcery.com>
5395         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
5396         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
5398 2007-01-12  Julian Brown  <julian@codesourcery.com>
5400         * config/m68k/m68k.h (TUNE_68040_60): New macro.
5401         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
5402         * config/m68k/m68k.md: Likewise.
5404 2007-01-12  Julian Brown  <julian@codesourcery.com>
5405             Richard Sandiford  <richard@codesourcery.com>
5407         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
5408         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
5409         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
5410         TARGET_CPU32.
5411         (TARGET_CPU32): Rename to...
5412         (TUNE_CPU32): ...this.
5413         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
5414         (TUNE_CFV2): New macros.
5415         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
5416         remove conditions that are implied by TARGET_68020.
5417         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
5418         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
5419         (m68k_output_function_epilogue): Likewise.
5420         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
5421         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
5422         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
5423         non-68000 timings.  Refactor multiplication and division costs.
5424         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
5425         TUNE_CPU32 instead of TARGET_CPU32.
5426         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
5427         and TUNE_68060 instead of TARGET_68060.
5428         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
5429         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
5430         TARGET_CPU32.
5431         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
5432         && !TARGET_COLDFIRE" to choose between moveq and clr.
5433         Likewise in the unnamed movsf pattern.
5434         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
5435         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
5436         ashiftrt pattern.
5438 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5440         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
5441         of tabbing before backslashes.
5443 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5445         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
5446         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
5447         (ASM_OUTPUT_INTERNAL_LABEL): Define.
5449 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5451         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
5452         find_interesting_uses_cond.
5453         (find_interesting_uses_cond): Use extract_cond_operands.
5454         (rewrite_use_compare): Use extract_cond_operands and
5455         force_gimple_operand_bsi.  Do not call update_stmt.
5456         (determine_use_iv_cost_condition): Use extract_cond_operands.
5457         Return cheaper of using original bound and changing the exit bound.
5459 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5461         PR tree-optimization/29516
5462         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
5463         most_expensive_mult_to_index, addr_to_parts,
5464         create_mem_ref, maybe_fold_tmr): Make the type of
5465         fields of TARGET_MEM_REF sizetype.
5466         (move_fixed_address_to_symbol, move_pointer_to_base):
5467         New functions.
5468         * tree.def (TARGET_MEM_REF): Add comment on types of
5469         the operands.
5471 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
5473         * c-common.c (vector_types_convertible_p): Treat opaque types as
5474         always convertible if they have the same size, but not otherwise.
5476 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
5478         * ifcvt.c (struct noce_if_info): Add comments to the fields.
5479         Remove the b_unconditional field.
5480         (noce_try_sign_mask): Do not look at b_unconditional.
5481         (noce_process_if_block): Do not use merge_if_blocks.  Update
5482         the CFG here.  Do not set b_unconditional.
5483         (cond_move_process_if_block): Likewise.
5484         (find_cond_trap): Likewise.
5485         (check_cond_move_block): Require simple jump insns at the end
5486         of the basic block.
5488 2007-01-11  Jan Hubicka  <jh@suse.cz>
5490         PR tree-optimization/1046
5491         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
5492         when alias info is not ready.
5493         (pass_tail_recursion): Do not require aliasing.
5494         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
5495         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
5496         * tree-ssa-copy.c (pass_copy_prop): Likewise.
5497         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5498         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
5499         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
5500         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
5501         before inlining.
5502         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
5503         When aliasing is not build, mark statement as volatile.
5505 2007-01-11  Tom Tromey  <tromey@redhat.com>
5507         PR preprocessor/15185, PR preprocessor/20989:
5508         * doc/cppopts.texi <-MT>: Update description of algorithm for
5509         computing default target.
5510         <-M, -MD>: Reword "basename" text.
5512 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5514         * builtins.c (expand_builtin_pow, expand_builtin_powi,
5515         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
5516         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5517         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
5518         fold_builtin_bswap, real_constp, fold_builtin_pow,
5519         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
5520         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
5521         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5522         * convert.c (convert_to_pointer): Likewise.
5523         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
5524         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
5525         const_binop, fold_convert_const_int_from_int,
5526         fold_convert_const_int_from_real,
5527         fold_convert_const_real_from_real, sign_bit_p,
5528         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
5529         fold_sign_changed_comparison, fold_unary, fold_comparison,
5530         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
5531         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
5532         * print-tree.c (print_node_brief, print_node): Likewise.
5533         * stor-layout.c (place_field, layout_type): Likewise.
5534         * tree-chrec.c (keep_cast): Likewise.
5535         * tree.c (build_vector, build_real, build_real_from_int_cst,
5536         build_complex): Likewise.
5538 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5540         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
5541         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
5543 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
5545         * configure.ac (strict1_warn): Rename to strict_warn.
5546         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
5547         cc_set_by_configure, quoted_cc_set_by_configure,
5548         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
5549         all_boot_languages, all_stagestuff): Remove.
5550         (target_list): Remove bootstrap targets.
5551         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
5552         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
5553         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
5554         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
5555         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
5556         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
5557         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
5558         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
5559         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
5560         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
5561         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
5562         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
5563         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
5564         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
5565         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
5566         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
5567         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
5568         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
5569         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
5570         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
5571         (mostlyclean): Adjust.
5572         (clean, distclean): Don't mention bootstrap stuff.
5573         * configure: Regenerate.
5574         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
5575         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
5576         treelang/config-lang.in (stagestuff): Remove.
5577         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
5578         stageprofile, stagefeedback, stagestuff): Remove mention.
5580 2007-01-11  Nick Clifton  <nickc@redhat.com>
5582         * config/mcore/predicates.md (mcore_general_movesrc_operand):
5583         Accept CONSTs.
5584         (mcore_general_movdst_operand): Do not accept CONST_INTs.
5585         (mcore_arith_K_S_operand): Run the test for the S constraint not
5586         the test for the M constraint.
5587         (mcore_addsub_operand): Do not accept integer values that are
5588         larger than 32 bits.
5589         * config/mcore/mcore.md: Remove unused constraints from split.
5590         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
5591         (addsi3): Likewise.
5592         (allocate_stack): Likewise.
5593         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
5594         operands to 32 bits.
5595         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
5596         INTVAL.
5597         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
5598         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
5599         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
5600         mcore_output_bclri, mcore_output_andn, output_inline_const,
5601         mcore_output_move, mcore_output_movedouble): Likewise.
5602         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
5603         (output_inline_const): Likewise.
5604         (output_inline_const): Fix format strings used in sprintf
5605         statements.
5606         * config/mcore/mcore-protos.h: Update prototypes for changed
5607         functions in mcore.c.
5608         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
5609         HOST_WIDE_INT and not int.
5610         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
5611         CONST_OK_FOR_N): Likewise.
5612         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
5613         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
5614         an INTVAL.
5616 2007-01-10  Jan Hubicka  <jh@suse.cz>
5618         * tree-vrp.c (remove_range_assertions): Release defs.
5619         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
5620         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5622 2007-01-10  Paul Brook  <paul@codesourcery.com>
5624         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5625         * config/arm/arm.md (mulsi3subsi): New insn.
5627 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
5629         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5630         (tree_transform_and_unroll_loop): New.
5631         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5632         Declare.
5634 2007-01-10  Robert Kennedy <jimbob@google.com>
5636         * fold-const.c (fold_comparison): Fold comparisons like (x *
5637         1000 < 0) to (x < 0).
5639 2007-01-10  Ian Lance Taylor  <iant@google.com>
5641         * tree-pretty-print.c (dump_generic_node): Print parentheses when
5642         operands have the same priority.
5644 2007-01-10  Tom Tromey  <tromey@redhat.com>
5646         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5647         (fold_binary): Likewise.
5648         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5649         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5650         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5651         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5652         * langhooks.h (struct lang_hooks): Removed field
5653         'can_use_bit_fields_p'.
5655 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
5657         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5659 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
5661         * function.c (get_last_funcdef_no): New function.
5662         * function.h (get_last_funcdef_no): Declare.
5663         * tree-inline.c (initialize_cfun): Add initialization.
5664         (tree_function_versioning): Cleanup.
5666 2007-01-10  Jan Hubicka  <jh@suse.cz>
5668         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5669         PHIs.
5671 2007-01-10  Sa Liu  <saliu@de.ibm.com>
5672             Ben Elliston  <bje@au.ibm.com>
5674         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5675         for SAVE_NONLOCAL and Pmode for any other save level.
5676         * spu-protos.h (spu_restore_stack_block): Declare.
5677         * spu.md (save_stack_block): Remove.
5678         (restore_stack_block): Call spu_restore_stack_block.
5679         * spu.c (spu_restore_stack_block): New function.
5680         (spu_expand_epilogue): Remove old comment.
5682 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
5684         PR tree-optimization/30322
5685         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5686         (cand_value_at): Return the value as aff_tree.
5687         (may_eliminate_iv): Convert the bound from aff_tree to tree.
5688         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5689         aff_combination_mult): New functions.
5690         (aff_combination_add): Use aff_combination_add_cst.
5691         (aff_combination_convert): Allow conversions to a wider type.
5692         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5693         * tree-affine.h (aff_combination_mult): Declare.
5695 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
5697         * doc/tm.texi: Update documentation to reflect reality of exec
5698         and start file search behaviours. Update copyright year.
5699         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5700         header file directories.
5702 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
5704         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5705         (*cosxf2): Rename to cosxf2_i387.
5706         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
5707         using X87MODEF12 mode macro. Rename patterns to
5708         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
5709         for SSE math.
5710         (*cosdf2, *cossf2): Ditto.
5711         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
5712         to match extended input operands.
5713         (sincos<mode>3): New expander.
5714         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
5715         insn patterns and corresponding splitters.
5717 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5719         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
5720         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
5722 2007-01-09  Nicolas Pitre  <nico@cam.org>
5724         PR target/30173
5725         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
5727 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5729         * target.h (struct gcc_target): New field library_rtti_comdat.
5730         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
5731         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
5732         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
5733         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
5735 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5737         * doc/invoke.texi (Optimize Options): Correct description of -O0.
5739 2007-01-08  Richard Guenther  <rguenther@suse.de>
5741         * tree.h (force_fit_type_double): Export.
5742         (force_fit_type): Remove.
5743         * fold-const.c (force_fit_type_double): New function.
5744         (force_fit_type): Remove.
5745         (int_const_binop): Use it.
5746         (fold_convert_const_int_from_int): Likewise.
5747         (fold_convert_const_int_from_real): Likewise.
5748         (fold_div_compare): Likewise.
5749         (fold_sign_changed_comparison): Likewise.
5750         (fold_unary): Likewise.
5751         (fold_negate_const): Likewise.
5752         (fold_abs_const): Likewise.
5753         (fold_not_const): Likewise.
5754         * c-common.c (shorten_compare): Use force_fit_type_double.
5755         * convert.c (convert_to_pointer): Likewise.
5757 2007-01-08  Richard Guenther  <rguenther@suse.de>
5759         * tree.h (build_int_cst_wide_type): Export.
5760         * tree.c (build_int_cst_wide_type): New function.
5761         (build_int_cst_wide): Fix comment.
5762         * builtins.c (fold_builtin_object_size): Use build_int_cst
5763         to build -1 or 0 of the correct type.  Use fit_double_type
5764         to check for overflow.
5765         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
5766         to build the mask.
5767         (decode_field_reference): Likewise.
5768         (all_ones_mask_p): Likewise.
5769         (native_interpret_int): Use build_int_cst_wide_type.
5770         (fold_binary): Use build_int_cst_type to build an all-ones
5771         value.
5772         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
5774 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
5776         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
5778 2007-01-09  Ben Elliston  <bje@au.ibm.com>
5780         * genautomata.c (STATS_OPTION): New option.
5781         (stats_flag): New flag.
5782         (gen_automata_option): Handle it.
5783         (initiate_automaton_gen): Ditto.
5784         (write_automata): Output statistics only if stats_flag is
5785         set. Likewise, output time statistics only if time_flag is set.
5786         * doc/md.texi (Processor pipeline description): Document new flag.
5788 2007-01-08  Richard Guenther  <rguenther@suse.de>
5790         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
5791         * tree.c (build_int_cst_type): Likewise.
5792         (size_in_bytes): Don't call force_fit_type on the result.
5793         (int_fits_type_p): Use fit_double_type.
5794         * fold-const.c (fit_double_type): New function.
5795         (force_fit_type): Use it.
5796         * tree.h (fit_double_type): Export.
5798 2007-01-08  Jan Hubicka  <jh@suse.cz>
5800         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
5801         * ipa.c (function_and_variable_visibility): Fix return type.
5803 2007-01-08  Richard Guenther  <rguenther@suse.de>
5805         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
5806         of offset to build the index.
5807         * tree-pretty-print.c (dump_generic_node): Don't build negated
5808         const just for printing.
5809         * c-pretty-print.c (pp_c_integer_constant): Likewise.
5810         * builtins.c (fold_builtin_int_roundingfn): Check if result
5811         fits the type by using force_fit_type and comparing the result.
5812         * predict.c (predict_loops): Use compare_tree_int for comparison.
5813         * tree.c (build_int_cst): Fall back to integer_type_node for
5814         NULL_TREE type.
5815         (build_int_cst_wide): Assert type is non-null.
5817 2007-01-08  Roberto Costa  <roberto.costa@st.com>
5819         * tree-vrp.c (extract_range_from_cond_expr): New.
5820         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
5821         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
5822         as expressions.
5823         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
5824         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
5825         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
5826         used as expressions.
5827         * tree-object-size.c (cond_expr_object_size): New.
5828         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
5830 2007-01-08  Jan Hubicka  <jh@suse.cz>
5832         * tree-ssa-forwprop.c (forward_propagate_into_cond,
5833         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
5834         statement.
5836 2007-01-08  Richard Guenther  <rguenther@suse.de>
5838         PR tree-optimization/23603
5839         * tree-vrp.c (set_value_range_to_truthvalue): New function.
5840         (extract_range_from_binary): Fall back to truthvalue instead of
5841         varying for TRUTH_*_EXPR.
5842         (extract_range_from_comparison): Fall back to truthvalue instead of
5843         varying.
5844         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
5845         if all visited PHI values were constant.
5847 2007-01-08  Jan Hubicka  <jh@suse.cz>
5849         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
5850         (cgraph_analyze_function): break out from ...
5851         (cgraph_finalize_compilation_unit): ... here.
5852         (cgraph_expand_function): Remove forgoten commented out line.
5853         (cgraph_optimize): Analyze functions.
5855 2007-01-08  Jan Hubicka  <jh@suse.cz>
5857         * tree-pas.h (TODO_remove_function): New flag.
5858         (TODO_update*): Renumber.
5859         (pass_ipa_increase_alignment,
5860         pass_ipa_function_and_variable_visibility): New passes.
5861         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
5862         (cgraph_function_and_variable_visibility): Move to ipa.c
5863         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
5864         cgraph_increase_alignment.
5865         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
5866         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
5867         calling tree-inline.
5868         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
5869         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
5870         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
5871         (gate_increase_alignment): New function.
5872         (pass_ipa_increase_alignment): New pass.
5873         * ipa.c: Inline tree-pass.h and timevar.h
5874         (function_and_variable_visibility): Move here from cgraphunit.c
5875         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
5876         * passes.c (init_optimization_passes): Add the two new passes.
5877         (execute_todo): Handle cgraph_remove_functions.
5879 2007-01-08  Nick Clifton  <nickc@redhat.com>
5881         * config/frv/predicates.md (reg_or_0_operand): Accept
5882         CONST_DOUBLEs.
5884 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
5886         * config/bfin/rtems.h, config/bfin/t-rtems: New.
5887         * config.gcc: Add bfin*-rtems*.
5889 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5891         * c.opt: Add -flax-vector-conversions.
5892         * c-typeck.c (convert_for_assignment): Pass flag to
5893         vector_types_convertible_p to allow emission of note.
5894         (digest_init): Likewise.
5895         * c-opts.c: Handle -flax-vector-conversions.
5896         * c-common.c (flag_lax_vector_conversions): New.
5897         (vector_types_convertible_p): Unless -flax-vector conversions
5898         has been passed, disallow conversions between vectors with
5899         differing numbers of subparts and/or element types.  If such
5900         a conversion is disallowed, possibly emit a note on the first
5901         occasion only to inform the user of -flax-vector-conversions.
5902         The new last argument specifies this.
5903         * c-common.h (flag_lax_vector_conversions): New.
5904         (vector_types_convertible_p): Add extra argument.
5905         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
5906         char_type_node for V*QI type vectors.
5907         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
5908         Update to satisfy new typechecking rules.
5909         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
5910         C and C++ variants.
5911         * doc/invoke.texi (C Dialect Options): Document
5912         -flax-vector-conversions.
5914 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
5916         PR tree-optimization/29877
5917         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
5918         a register variable on the RHS to not be replaceable.
5920 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
5921         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
5922         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
5923         const_simm15, const_pow2, const_npow2): Added.
5924         * config/score/misc.md (insv, extv, extzv, movmemsi,
5925         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
5926         * config/score/score.c (score_address_cost, score_select_cc_mode):
5927         Added.
5928         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
5929         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
5930         Update score_print_operand.
5931         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
5932         Adjust register allocate order and update some macro define.
5933         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
5934         mdx_block_move_straight, mdx_block_move_loop_head,
5935         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
5936         mdx_block_move): Added.
5937         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
5938         mdp_limm): Updated and fix some bug and typo.
5939         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
5940         (movsf, movdf, doloop_end): Added.
5942 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
5944         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
5945         config/arm/thumb2.md: Fix comment typos.
5946         * doc/extend.texi: Fix a typo.
5948 2007-01-07  Eric Christopher  <echristo@apple.com>
5950         * configure.ac: Check for __stack_chk_fail for darwin.
5951         * configure: Regenerate.
5953 2007-01-07  Richard Guenther  <rguenther@suse.de>
5955         * tree-vrp.c (extract_range_from_assert): CSE calls to
5956         compare_values where possible.
5957         (extract_range_from_unary_expr): Likewise.
5959 2007-01-07  Anatoly Sokolov <aesok@post.ru>
5961         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
5962         * config/avr/avr.c (call_insn_operand): Delete function.
5963         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
5964         instead of register number. Use predicates.
5965         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
5966         call_insn_operand): Add.
5968 2007-01-06  Jan Hubicka  <jh@suse.cz>
5970         * tree-pass.h (pass_build_cgraph_edges): Declare.
5971         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
5972         (visited_nodes): Remove.
5973         (cgraph_create_edges): Move to cgraphbuild.c; rename to
5974         build_cgrpah_edges; make visited_nodes local.
5975         (cgraph_process_new_functions): DO not call initialize_inline_failed.
5976         (record_references_in_initializer): Move to cgraphbuild.c
5977         (initialize_inline_failed, rebuild_cgraph_edges,
5978         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
5979         (verify_cgraph_node): Make visited_nodes local.
5980         (cgraph_analyze_function): Do not call cgraph_create_edges and
5981         initialize_inline_failed.
5982         (cgraph_expand_function): Do not call cgraph_lower_function;
5983         assert that function is already lowered.
5984         * Makefile.in (cgraphbuild.o): New.
5985         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
5986         at the end of lowering passes.
5988 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
5990         * ifcvt.c (cond_move_convert_if_block): New function, code
5991         factored out from...
5992         (cond_move_process_if_block): ...here.  Call the new function
5993         on the THEN and ELSE blocks.
5994         (merge_if_block): Do not copy global_live_at_end, merge_blocks
5995         already takes care of this.
5997 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
5999         PR c/19978
6000         * tree.h (TREE_OVERFLOW_P): New.
6001         * c-typeck.c (parser_build_unary_op): Warn only if result
6002         overflowed and operands did not.
6003         (parser_build_binary_op): Likewise.
6004         (convert_for_assignment): Remove redundant overflow_warning.
6005         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
6007 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6009         * c-typeck.c (store_init_value): Split over two lines to follow
6010         the GNU coding style.
6012 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
6014         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
6015         __GXX_EXPERIMENTAL_CXX0X__.
6016         * doc/cpp.texi: Same.
6018 2007-01-05  Richard Guenther  <rguenther@suse.de>
6020         PR middle-end/27826
6021         * tree.c (get_narrower): Do not construct COMPONENT_REFs
6022         with mismatched types.  Instead explicitly build a
6023         conversion NOP_EXPR.
6025 2007-01-05  Ian Lance Taylor  <iant@google.com>
6027         * c-common.c (decl_with_nonnull_addr_p): New function.
6028         (c_common_truthvalue_conversion): Call it.
6029         * c-typeck.c (build_binary_op): Likewise.
6030         * c-common.h (decl_with_nonnull_addr_p): Declare.
6032 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
6034         PR c/30360
6035         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
6036         denom against 0.0.
6038 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
6040         * doc/install.texi (Final install): Document the fact that
6041         the GNAT runtime should not be stripped.
6043 2007-01-04  Jan Hubicka  <jh@suse.cz>
6045         * tree-inline.c (fold_marked_statements): Update operand caches
6046         and EH after folding
6048 2007-01-04  Ian Lance Taylor  <iant@google.com>
6050         * c-common.c (check_function_nonnull): Whitespace fix.
6052 2007-01-04  Jan Hubicka  <jh@suse.cz>
6054         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
6055         comitted older version of patch.
6056         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
6057         function, celanup cfg and collect garbage.
6059 2007-01-04  Mike Stump  <mrs@apple.com>
6061         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
6062         (clean): Likewise.
6064 2007-01-04  Eric Christopher  <echristo@apple.com>
6066         * libgcc2.c (__bswapsi2): Use SItype.
6067         (__bswapdi2): Use DItype.
6068         * libgcc2.h: Update for above.
6070 2007-01-04  Paul Brook  <paul@codesourcery.com>
6072         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
6073         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
6074         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
6075         umulsidi3, umulsidi3adddi, smulsi3_highpart,
6076         umulsi3_highpart): Make conditional on !arm_arch6.
6077         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
6078         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
6079         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
6080         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
6081         umulsi3_highpart_v6): New insns.
6083 2007-01-04  Roger Sayle  <roger@eyesopen.com>
6085         * fold-const.c (fold_convert): When casting an expression to void,
6086         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
6087         have a type.  Instead of attempting to build a NOP_EXPR, return
6088         these "special" trees directly.
6090 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
6092         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
6093         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
6094         rs6000_cost->fp not 0 as adjustment for outer NEG.
6096 2007-01-04  Jan Hubicka  <jh@suse.cz>
6098         * cgraph.c (cgraph_release_function_body): New function.
6099         (cgraph_remove_node): Use it.
6100         * cgraph.h (cgraph_release_function_body): Declare.
6101         * cgraphunit.c (cgraph_expand_function): Use it.
6102         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
6103         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
6104         is initialized and while compilation of other function is running.
6105         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
6106         statement CFG annotations from here to ...
6107         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
6109 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
6111         * cfgloop.h (enum li_flags): Make the constants powers of two.
6113 2007-01-04  Jan Hubicka  <jh@suse.cz>
6115         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
6116         set.
6117         (fold_marked_statements): New function.
6118         (optimize_inline_calls, tree_function_versioning): Fold new statements.
6119         * tree-inline.h (copy_body_data): Add statements_to_fold.
6121 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
6123         * config.gcc: Mention libgcc/config.host.
6124         * Makefile.in: Update comments mentioning libgcc.
6125         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
6126         (all.cross, start.encap, rest.encap, rest.cross): Update
6127         dependencies for libgcc move.
6128         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
6129         (clean-target, clean-target-libgcc): Delete.
6130         (srcdirify, GCC_EXTRA_PARTS): New macros.
6131         (libgcc-support, libgcc.mvars): New rules.
6132         (distclean): Remove mention of mklibgcc.
6133         (install): Don't reference INSTALL_LIBGCC.
6134         (install-common): Don't reference EXTRA_PARTS.
6135         (install-libgcc, install-multilib): Delete rules.
6136         * mklibgcc.in: Delete file.
6137         * doc/configfiles.texi: Don't mention mklibgcc.
6139         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
6140         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
6141         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
6142         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
6143         (mklibgcc, ldblspecs): Likewise.
6145         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
6146         (posixpre.def): Use $(T).
6147         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
6148         (SHLIB_SRC, SHLIB_INSTALL): Delete.
6149         (SHLIB_LINK): Make dummy.
6150         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
6152         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
6154         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
6155         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
6156         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
6157         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
6159         * configure.ac (all_outputs): Remove mklibgcc.
6160         * configure: Regenerated.
6162 2007-01-03  Josh Conner  <jconner@apple.com>
6164         PR middle-end/29683
6165         * calls.c (compute_argument_addresses): Set stack and stack_slot
6166         for partial args, too.
6167         (store_one_arg): Use locate.size.constant for the size when
6168         generating a save_area.
6170 2007-01-03  Robert Kennedy <jimbob@google.com>
6172         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
6173         whose definitions are deleted due to basic block merging.
6175 2007-01-03  Paul Brook  <paul@codesourcery.com>
6177         PR target/16634
6178         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
6179         functions.
6180         (use_return_insn): Return 0 for Thumb interrupt functions.
6181         (print_multi_reg): Add rfe argument for IRQ returns.
6182         (arm_output_epilogue): Pop interrupt return address directly into PC.
6183         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
6185 2007-01-03  Paul Brook  <paul@codesourcery.com>
6187         Merge from sourcerygxx-4_1.
6188         * config/arm/thumb2.md: New file.
6189         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
6190         Thumb-2.
6191         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
6192         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6193         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
6194         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
6195         tables.
6196         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6197         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
6198         comptibility.
6199         * config/arm/ieee754-sf.S: Ditto.
6200         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
6201         (thumb1_base_register_rtx_p): ... to this.
6202         (thumb_index_register_rtx_p): Rename...
6203         (thumb1_index_register_rtx_p): ... to this.
6204         (thumb_output_function_prologue): Rename...
6205         (thumb1_output_function_prologue): ... to this.
6206         (thumb_legitimate_address_p): Rename...
6207         (thumb1_legitimate_address_p): ... to this.
6208         (thumb_rtx_costs): Rename...
6209         (thumb1_rtx_costs): ... to this.
6210         (thumb_compute_save_reg_mask): Rename...
6211         (thumb1_compute_save_reg_mask): ... to this.
6212         (thumb_final_prescan_insn): Rename...
6213         (thumb1_final_prescan_insn): ... to this.
6214         (thumb_expand_epilogue): Rename...
6215         (thumb1_expand_epilogue): ... to this.
6216         (arm_unwind_emit_stm): Rename...
6217         (arm_unwind_emit_sequence): ... to this.
6218         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
6219         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
6220         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
6221         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
6222         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
6223         thumb2_output_casesi): New functions.
6224         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
6225         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
6226         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
6227         THUMB2_WORK_REGS): Define.
6228         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
6229         arm_condexec_mask, arm_condexec_masklen)): New variables.
6230         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
6231         (arm_override_options): Check new CPU capabilities.
6232         Set new architecture flag variables.
6233         (arm_isr_value): Handle v7m interrupt functions.
6234         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
6235         Thumb-2.
6236         (const_ok_for_arm): Handle Thumb-2 constants.
6237         (arm_gen_constant): Ditto.  Use movw when available.
6238         (arm_function_ok_for_sibcall): Return false for v7m interrupt
6239         functions.
6240         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
6241         (thumb_find_work_register, arm_load_pic_register,
6242         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
6243         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
6244         print_multi_reg, output_mov_long_double_fpa_from_arm,
6245         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
6246         output_mov_double_fpa_from_arm, output_move_double,
6247         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
6248         output_return_instruction, arm_output_function_prologue,
6249         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
6250         arm_output_mi_thunk, thumb_set_return_address): Ditto.
6251         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
6252         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
6253         (arithmetic_instr, shift_op): Use arm_shift_nmem.
6254         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
6255         '!' and 'L'.
6256         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
6257         (thumb_expand_prologue): Use thumb_set_frame_pointer.
6258         (arm_file_start): Output directive for unified syntax.
6259         (arm_unwind_emit_set): Handle stack alignment instruction.
6260         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
6261         Add v6t2, v7, v7a, v7r and v7m.
6262         (RETLDM): Add Thumb-2 code.
6263         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
6264         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
6265         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
6266         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
6267         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
6268         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
6269         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
6270         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
6271         ADJUST_INSN_LENGTH): Define.
6272         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
6273         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
6274         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
6275         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
6276         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6277         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
6278         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
6279         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
6280         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
6281         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
6282         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
6283         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
6284         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
6285         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
6286         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
6287         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
6288         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
6289         cortex-m3.
6290         * config/arm/arm-tune.md: Regenerate.
6291         * config/arm/arm-protos.h: Update prototypes.
6292         * config/arm/vfp.md: Enable patterns for Thumb-2.
6293         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
6294         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
6295         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
6296         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
6297         * config/arm/libunwind.S: Add Thumb-2 code.
6298         * config/arm/constraints.md: Update include Thumb-2.
6299         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
6300         * config/arm/ieee754-df.S: Ditto.
6301         * config/arm/bpabi.S: Ditto.
6302         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
6303         * config/arm/predicates.md (low_register_operand,
6304         low_reg_or_int_operand, thumb_16bit_operator): New.
6305         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
6306         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
6307         * config/arm/t-arm-elf: Add armv7 multilib.
6308         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
6309         Include thumb2.md.
6310         (UNSPEC_STACK_ALIGN, ce_count): New.
6311         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
6312         arm_zero_extendsidi2, arm_zero_extendqidi2): New
6313         insns/expanders.
6314         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
6315         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
6316         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
6317         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
6318         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
6319         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
6320         insns.
6321         * doc/extend.texi: Document ARMv7-M interrupt functions.
6322         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
6324 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
6326         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
6327         (struct _Unwind_Context): Rename args_size to flags, remove
6328         signal_frame field, add a new args_size field and version field.
6329         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
6330         _Unwind_IsExtendedContext): New inline functions.
6331         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6332         Assume by_value array is only present if _Unwind_IsExtendedContext.
6333         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
6334         _Unwind_IsSignalFrame.
6335         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
6336         (uw_update_context_1): Use _Unwind_SetSignalFrame.
6337         (uw_init_context_1): Initialize context->flags to
6338         EXTENDED_CONTEXT_BIT.
6339         * config/rs6000/linux-unwind.h (frob_update_context): Use
6340         _Unwind_SetSignalFrame.
6342 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6344         PR middle-end/30353
6345         * gimplify.c (gimplify_modify_expr_complex_part): Move below
6346         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
6347         the value.
6349 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
6351         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
6352         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
6353         RET, AT_SP): Remove.
6354         * config/i386/i386.md (*sse_prologue_save_insn): Use return
6355         instead of RET.
6357         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6358         * cfgbuild.c (find_basic_blocks): Likewise.
6359         * cfgrtl.c (rtl_create_basic_block): Likewise.
6360         * function.c (temp_slots_at_level): Likewise.
6361         * reg-stack.c (stack_regs_mentioned): Likewise.
6362         * regclass.c (allocate_reg_info): Likewise.
6363         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6364         set_bb_for_stmt, move_block_to_fn): Likewise.
6365         * tree-complex.c (tree_lower_complex): Likewise.
6366         * vec.h (VEC_safe_grow_cleared): New.
6368         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
6370 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
6372         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
6373         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
6374         to loop_version.
6375         * cfgloopmanip.c (scale_loop_frequencies): Export.
6376         (loopify): Scale the frequencies by prescribed coefficients.
6377         (set_zero_probability): New function.
6378         (duplicate_loop_to_header_edge): Improve updating of frequencies.
6379         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
6380         and frequencies according to arguments.
6381         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
6382         correctly.
6383         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
6384         * modulo-sched.c (sms_schedule): Set probabilities for entering
6385         versioned loop correctly.
6386         * tree-vect-transform.c (vect_transform_loop): Ditto.
6387         * cfgloop.h (loopify, loop_version): Declaration changed.
6388         (scale_loop_frequencies): Declared.
6390 2007-01-02  Jan Hubicka  <jh@suse.cz>
6392         * cgraph.c: Include tree-flow.h
6393         (cgraph_add_new-function): Handle IPA_SSA mode; execute
6394         early_local_passes.
6395         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
6396         * tree-pass.h (pass_all_early_optimizations): Declare.
6397         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
6398         early_local_passes.
6399         (cgraph_analyze_function): Do early_local_passes.
6400         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6401         Do not add referenced vars.
6402         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
6403         SSA form.
6404         (gate_all_early_local_passes): New gate.
6405         (pass_early_local_passes): Use new gate.
6406         (execute_early_local_optimizations): New functions.
6407         (gate_all_early_optimizations): New gate.
6408         (pass_all_early_optimizations): New pass.
6409         (execute_free_datastructures): Free SSA only when initialized.
6410         (gate_init_datastructures): Init only when optimizing.
6411         (tree_lowering_passes): Do early local passes when called late.
6412         * tree-profile.c (do_tree_profiling): Don't profile functions added
6413         late.
6414         (do_early_tree_profiling, pass_early_tree_profile): Kill.
6415         * tree-cfg.c (update_modified_stmts): Do not update when operands are
6416         not active.
6417         * passes.c (init_optimizations_passes): Reorder so we go into SSA
6418         during early_local_passes.
6419         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
6422 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6424         * Makefile.in: Update copyright year.
6426 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6428         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
6429         in $(lang_checks) and check-consistency targets.
6431 2007-01-02  Jan Hubicka  <jh@suse.cz>
6433         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6434         Do not add referenced vars.
6435         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
6436         are not active.
6437         * passes.c (init_optimization_passes): Put mudflap_2 after
6438         free_datastructures.
6440 2007-01-02  Jan Hubicka  <jh@suse.cz>
6442         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
6443         Set NOTHROW flag on call statements proved to be nothrow.
6444         Update statement of local calls so new pure/const functions are
6445         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
6446         goto receivers.
6447         (tree_rest_of_compilation): Register hooks and initialize bitmap
6448         early. Do not set after_inlining flag.
6450 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
6452         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
6453         HOST_BITS_PER_LONGLONG
6455 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6457         PR c/19977
6458         * c-typeck.c (store_init_value): Don't emit pedantic overflow
6459         warning for non-static initializers.
6461 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
6463         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
6464         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
6465         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
6466         Always use set_unique_reg_note to add REG_EQUAL notes.
6468 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6470         Revert:
6471         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6473         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6474         * cfgbuild.c (find_basic_blocks): Likewise.
6475         * cfgrtl.c (rtl_create_basic_block): Likewise.
6476         * function.c (temp_slots_at_level): Likewise.
6477         * reg-stack.c (stack_regs_mentioned): Likewise.
6478         * regclass.c (allocate_reg_info): Likewise.
6479         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6480         set_bb_for_stmt, move_block_to_fn): Likewise.
6481         * tree-complex.c (tree_lower_complex): Likewise.
6482         * vec.h (VEC_safe_grow_cleared): New.
6484 2007-01-02  Ian Lance Taylor  <iant@google.com>
6486         * c-common.c (c_common_truthvalue_conversion): When warning about
6487         using an assignment as a truth value, set TREE_NO_WARNING.
6489 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6491         PR middle-end/7651
6492         * c.opt (Wold-style-declaration): New.
6493         * doc/invoke.texi (C-only Warning Options): New.
6494         (Wold-style-declaration): Document it.
6495         (Wextra): Enabled by -Wextra.
6496         * c-opts.c (c_common_post_options): Enabled by -Wextra.
6497         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
6498         -Wold-style-declaration.
6500 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6502         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6503         * cfgbuild.c (find_basic_blocks): Likewise.
6504         * cfgrtl.c (rtl_create_basic_block): Likewise.
6505         * function.c (temp_slots_at_level): Likewise.
6506         * reg-stack.c (stack_regs_mentioned): Likewise.
6507         * regclass.c (allocate_reg_info): Likewise.
6508         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6509         set_bb_for_stmt, move_block_to_fn): Likewise.
6510         * tree-complex.c (tree_lower_complex): Likewise.
6511         * vec.h (VEC_safe_grow_cleared): New.
6513 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
6515         * c-common.c (c_common_nodes_and_builtins): Since variants of
6516         void_type_node get built before it is given a name, we need to
6517         give those variants the name, too.
6518         (complete_array_type): We need to work with the canonical main
6519         type of the array, from which we will build the qualified version.
6520         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
6521         * print-tree.c (print_node): Display canonical type information
6522         for each type.
6523         * stor-layout.c (layout_type): When we don't know the
6524         alignment of a type for which we're building an array, we end up
6525         guessing wrong, so make the type require structural equality.
6526         * tree.c (make_node_stat): When we build a new type, it is its
6527         own canonical type.
6528         (build_type_attribute_qual_variant): When building an attribute
6529         variant, its canonical type is the non-attribute variant. However,
6530         if the attributes are target-dependent and they differ, we need to
6531         use structural equality checks for this type.
6532         (build_qualified_type): A qualified type is not equivalent to its
6533         unqualified variant; set the canonical type appropriately.
6534         (build_distinct_type_copy): When building a distinct type from
6535         another type, the new type is its own canonical type.
6536         (build_variant_type_copy): When building a new type variant, we
6537         assume that it is equivalent to the original type.
6538         (build_pointer_type_for_mode): When building a pointer type, also
6539         build a canonical type pointer.
6540         (build_reference_type_for_mode): When building a reference type,
6541         also build a canonical type reference.
6542         (build_index_type): When we can't hash an index type (e.g.,
6543         because its maximum value is negative), the index type requires
6544         structural equality tests.
6545         (build_array_type): Build the canonical form of an array type.
6546         (build_function_type): Function types require structural equality,
6547         because they contain default arguments, attributes, etc.
6548         (build_method_type_directly): Ditto for method types.
6549         (build_offset_type): Build the canonical offset type.
6550         (build_complex_type): Build the canonical vector type.
6551         (make_vector_type): Build the canonical vector type.
6552         * tree.h (TYPE_CANONICAL): New.
6553         (TYPE_STRUCTURAL_EQUALITY_P): New.
6554         (SET_TYPE_STRUCTURAL_EQUALITY): New.
6555         (struct tree_type): Added "canonical" field.
6556         * params.h (VERIFY_CANONICAL_TYPES): New.
6557         * doc/c-tree.texi (TYPE_CANONICAL): Document.
6558         (TYPE_STRUCTURAL_EQUALITY_P): Document.
6559         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
6560         * doc/invoke.texi (verify-canonical-types): Document --param
6561         parameter for verifying canonical types.
6563 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6565         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
6566         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
6567         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
6568         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
6569         tm_file.
6570         * config/rs6000/e500.h: New.
6571         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
6572         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
6573         Remove.
6574         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
6575         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
6576         TARGET_E500_DOUBLE): Remove.
6577         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
6578         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
6579         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
6580         * config/rs6000/rs6000.c (rs6000_override_options): Use
6581         CHECK_E500_OPTIONS.
6583 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6585         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
6586         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
6587         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
6588         rs6000_emit_cmove): Don't check TARGET_E500.
6589         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
6590         sordered): Don't check TARGET_E500.
6592 2007-01-01  Eric Christopher  <echristo@apple.com>
6594         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
6595         HARD_REGISTER_NUM_P.
6597 2007-01-01  Roger Sayle  <roger@eyesopen.com>
6599         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
6600         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
6601         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
6602         eq/ne Y".
6604 2007-01-01  Mike Stump  <mrs@apple.com>
6606         * configure.ac: Remove support for building with Apple's gcc-3.1.
6608 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6610         PR middle-end/30311
6611         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
6612         REG is a hard register.  Do not modify REG before calling
6613         subreg_nregs.
6614         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
6615         multiple of the size of YMODE for certain lowpart cases.
6617 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6619         PR middle-end/30253
6620         * gimplify (voidify_wrapper_expr): Update for
6621         GIMPLE_MODIFY_STMT.
6623 2007-01-01  Andreas Schwab  <schwab@suse.de>
6625         PR target/29166
6626         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6627         save of BR0 in extra_spill_size instead of spill_size.
6628         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6629         area.
6630         (ia64_expand_epilogue): Restore BR0 from its new location.
6632 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6634         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6635         Use a temporary variable if the left hand side is not a gimple
6636         register.
6638 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6640         * gimplify.c (gimplify_return_expr): Make the temporary variable
6641         for the return expression, a gimple register variable.
6643 2007-01-01  Jan Hubicka  <jh@suse.cz>
6645         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6646         INSN_LIST.
6648 2007-01-01  Mike Stump  <mrs@apple.com>
6650         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6651         .literal16.
6652         * config/darwin.c (machopic_select_rtx_section): Use
6653         HAVE_GAS_LITERAL16.
6654         (darwin_mergeable_constant_section): Likewise.
6655         * configure: Regenerate.
6656         * config.in: Regenerate.
6658 2007-01-01  Jan Hubicka  <jh@suse.cz>
6659             Andrew Pinski  <pinskia@gmail.com>
6661         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6662         before starting IPA passes.