* config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
[official-gcc.git] / gcc / ChangeLog
blobb902a0293107af708116f054790e1bd6ab1a779d
1 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
3         * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
5         * config/bfin/bfin.c: Include "cfglayout.h".
6         (MAX_LSETUP_DISTANCE): New macro.
7         (struct loop_info): New members incoming, incoming_src and
8         incoming_dest.  Delete member predecessor.
9         (length_for_loop): New function.
10         (bfin_optimize_loop): Handle more different loop structures.
11         (bfin_discover_loop): Rework detection of predecessor blocks by
12         examining incoming edges.
13         (bfin_discover_loops, bfin_free_loops): New functions, broken out of
14         bfin_reorg_loops.
15         (bfin_reorder_loops): New function.
16         (bfin_reorg_loops): Use these three new functions.
18         * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
19         REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
20         (CONSTRAINT_LEN): Add entry for 'q'.
21         (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
22         Add 'q' constraints.
23         (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
24         (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
26         * config/bfin/bfin.md (add_with_carry): New pattern.
27         (s_or_u, su_optab, su_modifier): New code macros/attrs.
28         (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
29         <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
30         support unsigned multiplies too.  Removed incorrect commutativity from
31         operand 1 constraint where appropriate.
32         (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
33         patterns.
34         (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
35         <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
36         New patterns.
37         (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
38         usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
39         usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
40         usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
41         usmulhisi_hh_huh): New patterns.
43         * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
44         lshifthi3): Fix output template to use half reg for operand 2.
46         * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
47         instead of R2.
49 2007-02-27  Andreas Schwab  <schwab@suse.de>
51         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
53 2007-02-27  Jan Hubicka  <jh@suse.cz>
55         * predict.c (last_basic_block_p): Remove.
56         (tree_estimate_probability): Update return heuristic for commonized
57         return blocks.
59 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
61         * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
63 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
65         * doc/include/gcc-common.texi (versionsubtitle): New macro.
66         * doc/cpp.texi: Standardize title page.
67         * doc/cppinternals.texi: Likewise.
68         * doc/gcc.texi: Standardize title page, remove version number
69         from copyright page.
70         * doc/gccint.texi: Likewise.
71         * doc/install.texi: Standardize title page, add table of
72         contents.
74 2007-02-26  Jan Hubicka  <jh@suse.cz>
76         * predict.def: Set outcomes according to more recent results.
77         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
78         Remove dead predictors.
79         * predict.c (return_prediction): Fix pasto.
81 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
83         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
84         change; avoid a memory leak when returning early.
85         
86 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
88         * c-decl.c (static_ctors): Move to c-common.c.
89         (static_dtors): Likewise.
90         (finish_function): Use c_record_cdtor_fn.
91         (build_cdtor): Move to c-common.c.
92         (c_write_global_declarations): Use c_build_cdtor_fns.
93         * c-common.h (static_ctors): Declare.
94         (static_dtors): Likewise.
95         (c_record_cdtor_fn): Likewise.
96         (c_build_cdtor_fns): Likewise.
97         * c-common.c (static_ctors): New variable.
98         (static_dtors): Likewise.
99         (c_record_cdtor_fn): New function.
100         (build_cdtor): Move from c-decl.c
101         (c_build_cdtor_fns): New function.
103         * output.h (assemble_addr_to_section): Declare.
104         (get_cdtor_priority_section): Likewise.
105         * varasm.c (assemble_addr_to_section): New function.
106         (get_cdtor_priority_section): Likewise.
107         (default_named_section_asm_out_destructor): Use them.
108         (destor_dtor_section_asm_out_destructor): Likewise.
109         (default_named_section_asm_out_constructor): Likewise.
110         (default_ctor_section_asm_out_constructor): Likewise.
111         * config.gcc (*-*-vxworks*): Include vxworks.o.
112         * config/t-vxworks (vxworks.o): New target.
113         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
114         (TARGET_ASM_CONSTRUCTOR): Define.
115         (TARGET_ASM_DESTRUCTOR): Likewise.
116         (vxworks_asm_out_constructor): Declare.
117         (vxworks_asm_out_destructor): Likewise.
119         * c-common.c (get_priority): Check that we have not just an
120         INTEGER_CST, but an integer constant with integeral type.
122 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
124         PR tree-optimization/30938
125         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
126         use &dt[nargs-1] instead of &dt[nargs] in the call to
127         vect_is_simple_use().
129 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
131         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
132         from register elimination as PRE_MODIFY / POST_MODIFY increments.
133         Do not attempt to handle MEM inside auto-inc expressions.
134         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
135         of a register modified by an auto-inc expression.  However, do handle
136         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
137         (elimination_effects): Prohibit elimination of a register modified
138         by an auto-inc expression.  Disable register elimination rules whose
139         target register is modified by an auto-inc expression with variable
140         increment.
142 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
144         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
145         off-by-one error.
146         (array_at_struct_end_p): New function.
147         (idx_infer_loop_bounds): Use it.
148         (estimate_numbers_of_iterations_loop): Export.
149         * predict.c (predict_loops): Use estimated_loop_iterations_int.
150         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
151         (tree_estimate_probability): Call record_loop_exits.
152         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
153         (estimated_loop_iterations, estimated_loop_iterations_int,
154         estimated_loop_iterations_tree): New functions.
155         (analyze_siv_subscript_cst_affine,
156         compute_overlap_steps_for_affine_1_2,
157         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
158         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
159         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
160         (PRED_LOOP_ITERATIONS_GUESSED): New.
161         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
162         * cfgloop.h (estimate_numbers_of_iterations_loop,
163         estimated_loop_iterations_int): Declare.
165 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
167         * doc/extend.texi: Document optional priority argument to
168         constructors and destructors.
169         * tree.c (init_priority_for_decl): Adjust GTY markers.
170         (init_ttree): Use priority-info hash functions for
171         init_priority_for_decl.
172         (tree_map_eq): Rename to ...
173         (tree_map_base_eq): ... this.
174         (tree_map_marked_p): Rename to ...
175         (tree_map_base_marked_p): ... this.
176         (tree_map_base_hash): New function.
177         (decl_init_priority_lookup): Rework.
178         (decl_fini_priority_lookup): New function.
179         (decl_priority_info): New function.
180         (decl_init_priority_insert): Use it.
181         (decl_fini_priority_insert): Likewise.
182         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
183         hierarchy.
184         (decl_restrict_base_insert): Likewise.
185         (decl_debug_expr_insert): Likewise.
186         (decl_value_expr_lookup): Likewise.
187         (decl_value_expr_insert): Likewise.
188         * tree.h (priority_type): New type.
189         (decl_init_priority_lookup): Use priority_type.
190         (decl_fini_priority_lookup): New function.
191         (decl_init_priority_insert): Use priority_type.
192         (decl_fini_priority_insert): New function.
193         (DECL_HAS_INIT_PRIORITY): Tweak comments.
194         (DECL_INIT_PRIORITY): Likewise.
195         (SET_DECL_INIT_PRIORITY): Add comment.
196         (DECL_FINI_PRIORITY): New macro.
197         (SET_DECL_FINI_PRIORITY): Likewise.
198         (DEFAULT_INIT_PRIORITY): Document.
199         (MAX_INIT_PRIORITY): Likewise.
200         (MAX_RESERVED_INIT_PRIORITY): Likewise.
201         (tree_map_base): New type.
202         (tree_map_base_eq): New function.
203         (tree_map_base_hash): Likewise.
204         (tree_map_base_marked_p): Likewise.
205         (tree_map): Inherit from tree_map_base.
206         (tree_map_eq): Make it a macro.
207         (tree_map_marked_p): Likewise.
208         (tree_int_map): Inherit from tree_map_base.
209         (tree_int_map_eq): Make it a macro.
210         (tree_int_map_hash): Likewise.
211         (tree_int_map_marked_p): Likewise.
212         (tree_priority_map): New type.
213         (tree_priority_map_eq): New macro.
214         (tree_priority_map_hash): Likewise.
215         (tree_priority_map_marked_p): Likewise.
216         * varasm.c (emults_decl): Adjust for refactoring of tree_map
217         hierarchy.
218         (emutls_common_1): Likewise.
219         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
220         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
221         of tree_map hierarchy.
222         * tree-cfg.c (move_stmt_r): Likewise.
223         (new_label_mapper): Likewise.
224         * c-tree.h (c_expand_body): Move to ...
225         * c-common.h (c_expand_body): ... here.
226         * c-decl.c (c_expand_body): Move to ...
227         * c-common.c (c_expand_body): ... here.
228         (c_common_attribute_table): Allow 1 argument for the constructor
229         and destructor attributes.
230         (get_priority): New function.
231         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
232         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
234 2007-02-24  Jan Hubicka  <jh@suse.cz>
236         PR middle-end/30509
237         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
239 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
240             Jan Hubicka  <jh@suse.cz>
242         PR target/30778
243         * i386.c (counter_mode): New function.
244         (expand_set_or_movmem_via_loop): Use it.
245         (expand_movmem_epilogue): Likewise; fix pasto.
246         (ix86_expand_movmem): Do emit guard even for constant counts.
247         (ix86_expand_setmem): Likewise.
249 2007-02-25  Nick Clifton  <nickc@redhat.com>
251         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
252         (JUMP_TABLES_IN_TEXT_SECTION): Define.
254 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
256         PR target/30770
257         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
258         count argument with 0x10, not with 0x16.
259         (expand_setmem_epilogue): Ditto.
261 2007-02-24  Mike Stump  <mrs@apple.com>
263         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
264         symbols.
266 2007-02-24  Richard Guenther  <rguenther@suse.de>
268         PR middle-end/30951
269         * fold-const.c (fold_binary): Fold x +- CST op x for
270         EQ_EXPR and NE_EXPR.
272 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
274         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
276 2007-02-24  Jan Hubicka  <jh@suse.cz>
278         * cgraphunit.c (decide_is_function_needed): Honor
279         -fkeep-inline-functions.
281 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
283         * builtins.c (fold_builtin_modf): New.
284         (fold_builtin_2): Use it.
286 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
288         * loop-iv.c (implies_p): Detect additional cases where A implies B.
289         (determine_max_iter): Take additional LOOP arg; all callers changed.
290         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
291         one using simplifications.
292         (simplify_using_initial_values): Return if the expression becomes
293         invalid due to altered regs.
295 2007-02-23  DJ Delorie  <dj@redhat.com>
297         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
299 2007-02-23  Mike Stump  <mrs@apple.com>
301         * tlink.c (scan_linker_output): Parse linker messages from
302         darwin9's linker better.
304 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
306         PR debug/29614
307         * varpool.c (varpool_assemble_pending_decls):  Set
308         varpool_last_needed_node to null.
310 2007-02-23  DJ Delorie  <dj@redhat.com>
312         * config/i386/i386.c (ix86_data_alignment): Don't specify an
313         alignment bigger than the object file can handle.
315 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
317         PR target/30825
318         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
319         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
320         (*movsf_1): Penalize MMX moves.
322 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
324         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
325         2^32-1 or more times unless flag_unsafe_loop_optimizations.
327         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
329 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
331         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
332         (fold_builtin_1): Use them.
333         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
334         BUILT_IN_SIGNIFICAND.
336 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
338         * config/i386/i386.c (bdesc_1arg): Initialize
339         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
340         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
341         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
342         and IX86_BUILTIN_MOVSLDUP.
344 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
346         PR rtl-optimization/30841
347         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
349 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
351         * builtins.c (fold_builtin_frexp): New.
352         (fold_builtin_2): Use it.
354 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
356         * doc/invoke.texi (Spec Files): Document getenv spec function.
358         * gcc.c (getenv_spec_function): New function.
359         (static_spec_functions): Add it.
360         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
361         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
362         header files.
364 2007-02-22  Michael Matz  <matz@suse.de
366         PR c++/29433
367         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
368         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
370 2007-02-22  Ian Lance Taylor  <iant@google.com>
372         PR debug/30898
373         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
374         (mem_loc_descriptor): Call it.
376 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
377             Ira Rosen  <irar@il.ibm.com>
379         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
381 2007-02-22  Ira Rosen  <irar@il.ibm.com>
383         PR tree-optimization/30843
384         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar 
385         stores only after all the group is vectorized.
387 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
389         PR tree-optimization/30858
390         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
391         in the reduction cycle have a single use in the loop.
392         * tree-vectorizer.h (relevant): Add documentation.
394 2007-02-20  Mike Stump  <mrs@apple.com>
396         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
397         * configure: Regenerate.
399 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
401         Change the defaults of some parameters and options.
402         * config/spu/spu-protos.h (spu_optimization_options): Declare.
403         * config/spu/spu.c (spu_optimization_options): Add.
404         (spu_override_options): Change params in spu_optimization_options.
405         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
407         Register 127 is only 16 byte aligned when used as a frame pointer.
408         * config/spu/spu-protos.h (spu_init_expanders): Declare.
409         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
410         HARD_FRAME_POINTER_REGNUM.
411         (spu_legitimate_address):  Use regno_aligned_for_reload.
412         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
413         aligned when frame_pointer_needed is true.
414         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
415         to 8 bits.
416         * config/spu/spu.h (INIT_EXPANDERS): Define.
418         Make sure shift and rotate instructions have valid immediate operands.
419         * config/spu/predicates.md (spu_shift_operand): Remove.
420         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
421         * config/spu/constraints.md (W, O): Extend range.
422         * config/spu/spu.md (umask, nmask): Define.
423         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
424         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
425         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
426         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
427         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
428         (lshr<mode>3_reg):  Fix rtl description.
430         Make sure mulhisi immediate operands are valid.
431         * config/spu/predicates.md (imm_K_operand): Add.
432         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
434         Generate constants using fsmbi and andi.
435         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
436         (print_operand, spu_split_immediate, classify_immediate,
437         fsmbi_const_p): Handle IC_FSMBI2.
439         Correctly handle a CONST_VECTOR containing symbols.
440         * config/spu/spu.c (print_operand): Handle HIGH correctly.
441         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
442         (immediate_load_p): Allow symbols that use 2 instructions to create.
443         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
444         with symbols when flag_pic is set.
445         (const_vector_immediate_p): New.
446         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
447         accept a CONST_VECTOR with symbols.
448         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
449         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
450         correctly.
451         * config/spu/spu.md (high, low): Delete.
452         (low_<mode>): Define.
454         Remove INTRmode and INTR_REGNUM, which didn't work.
455         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
456         of INTR_REGNUM.
457         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
458         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
459         peephole2 pattern): Don't use INTR or 131.
460         (movintrcc): Delete.
461         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
462         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
463         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
464         (UNSPEC_SET_INTR): Add.
465         * config/spu/spu-modes.def (INTR): Remove.
467         More accurate warnings about run-time relocations.
468         * config/spu/spu.c (reloc_diagnostic): Test in_section.
470         Correctly warn about immediate arguments to specific intrinsics.
471         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
472         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
473         the instruction predicate.
475         Fix tree check errors with latest update.
476         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
477         CALL_EXPR_ARG.
478         (spu_expand_builtin): Use CALL_EXPR_FN.
480         Add missing specific intrinsics.
481         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
482         si_bislede.
483         * config/spu/spu_internals.h: Ditto.
485         Fix incorrect operand modifiers.
486         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
487         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
489         Optimize one case of zero_extend of a vec_select.
490         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
492         Accept any immediate for hbr.
493         * config/spu/spu.md (hbr):  Change s constraints to i.
495 2007-02-21  Paul Brook  <paul@codesourcery.com>
497         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
498         condexec_count when skipping USE and CLOBBER.
500 2007-02-21  Nick Clifton  <nickc@redhat.com>
502         * common.opt (Warray-bounds): Add Warning attribute.
503         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
504         Likewise.
505         (fsized-zeroes): Add Optimization attribute.
506         (fsplit-wide-types, ftree-scev-cprop): Likewise.
507         * c.opt (Wc++0x-compat): Add Warning attribute.
509 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
511         PR middle-end/30761
512         * reload1.c (eliminate_regs_in_insn): In the single_set special
513         case, attempt to re-recognize the insn before falling back to
514         having reload fix it up.
516 2007-02-20  Eric Christopher  <echristo@gmail.com>
518         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
519         Rewrite accordingly.
520         (frv_read_iacc_argument): Ditto.
521         (frv_expand_set_builtin): Take a call instead of arglist, update for
522         above changes.
523         (frv_expand_unop_builtin): Ditto.
524         (frv_expand_binop_builtin): Ditto.
525         (frv_expand_cut_builtin): Ditto.
526         (frv_expand_binopimm_builtin): Ditto.
527         (frv_expand_voidbinop_builtin): Ditto.
528         (frv_expand_int_void2arg): Ditto.
529         (frv_expand_prefetches): Ditto.
530         (frv_expand_voidtriop_builtin): Ditto.
531         (frv_expand_voidaccop_builtin): Ditto.
532         (frv_expand_load_builtin): Ditto.
533         (frv_expand_store_builtin): Ditto.
534         (frv_expand_mdpackh_builtin): Ditto.
535         (frv_expand_mclracc_builtin): Ditto.
536         (frv_expand_mrdacc_builtin): Ditto.
537         (frv_expand_mwtacc_builtin): Ditto.
538         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
539         calls for above.
541 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
543         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
544         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
545         cmpb instruction.
546         (HAVE_GAS_DFP): Check for assembler support of decimal floating
547         point instructions.
548         * configure: Regenerate.
549         * config.in: Regenerate.
550         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
551         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
552         masks to power6 and power6x and to POWERPC_MASKS.
553         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
554         _ARCH_PWR6.
555         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
556         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
557         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
558         Access PROTOTYPE as variable, not mask.
560 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
562         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
563         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
564         * combine.c (adjust_for_new_dest): Use it.
565         * postreload.c (reload_combine): Likewise.
567 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
569         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
570         notes on an insn with multiple sets, even if single_set returns
571         non-NULL for that insn.
573 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
575         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
576         scalbn and scalbln.
578 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
580         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
581         if user didn't pass it.
582         * config/i386/darwin.h (CC1_SPEC): Likewise.
583         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
584         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
585         -mmacosx-version-min.
587 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
588             Uros Bizjak  <ubizjak@gmail.com>
590         * optabs.h (enum optab_index): Add new OTI_scalb.
591         (scalb_optab): Define corresponding macro.
592         * optabs.c (init_optabs): Initialize scalb_optab.
593         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
594         patterns.
595         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
596         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
597         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
598         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
599         flag_unsafe_math_optimizations is set.
601         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
602         to implement scalbf, scalb and scalbl built-ins as inline x87
603         intrinsics.
605 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
606             DJ Delorie <dj@redhat.com>
608         PR other/30824
609         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
610         (diagnostic_report_diagnostic): ... here, and turn them into real
611         errors. If warnings are inhibited, no need to do anything.
613 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
615         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
616         better code generation.
618 2007-02-20  Ben Elliston  <bje@au.ibm.com>
620         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
622 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
624         * config/alpha/alpha.c, config/alpha/alpha.md,
625         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
626         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
627         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
628         config/arm/lib1funcs.asm: Follow spelling conventions.
630         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
631         config/fr30/fr30.md, config/i386/i386.h,
632         config/iq2000/iq2000.h, config/iq2000/predicates.md,
633         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
634         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
635         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
636         config/rs6000/altivec.md, config/rs6000/rs6000.c,
637         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
638         config/sparc/sparc.c, config/sparc/sparc.h,
639         config/sparc/sparc.md, config/spu/constraints.md,
640         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
641         conventions.
643 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
645         PR target/29943
646         * varasm.c (use_blocks_for_decl_p): Return false for decls with
647         alias attribute.
649 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
651         * doc/invoke.texi (-ftree-lrs): Remove.
653 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
655         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
656         NULL.
658 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
660         * config/ia64/ia64.c (ia64_expand_builtin): Use the
661         new CALL_EXPR_FN macro for retrieving the function
662         declaration of the input expression.
664 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
666         * c.opt (Waddress): New.
667         * common.opt (Walways-true): Delete.
668         (Wstring-literal-comparison): Delete.
669         * doc/invoke.texi (Warning Options): Delete -Walways-true and
670         -Wstring-literal-comparison. Add -Waddress.
671         (Waddress): New.
672         (Walways-true): Delete.
673         (Wstring-literal-comparison): Delete.
674         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
675         consistently instead of -Walways-true in example.
676         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
677         * c-typeck.c (parser_build_binary_op): Replace
678         -Wstring-literal-comparison and -Walways-true with -Waddress.
679         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
680         with -Waddress.
682 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
684         * tree-cfg.c (dump_function_to_file): Be prepared for functions
685         without DECL_STRUCT_FUNCTION initialized.
687 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
689         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
690         due to calls to functions taking pointers as parameters.
692 2007-02-19  Richard Henderson  <rth@redhat.com>
694         PR debug/29558
695         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
696         in memory.
698 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
700         * config/s390/s390.c (s390_call_saved_register_used,
701         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
702         accessed to the new scheme.
704 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
706         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
707         (cris_print_index, cris_print_operand, cris_print_operand_address)
708         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
709         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
710         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
711         GET_CODE () == xxx.
712         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
713         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
714         GO_IF_LEGITIMATE_ADDRESS): Ditto.
715         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
716         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
717         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
718         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
719         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
720         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
721         (uminsi3, call, call_value): Ditto.
722         (define_split: indir_to_reg_split, unnamed): Ditto.
724 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
726         PR tree-optimization/30975
727         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
728         wrong assert.
730 2007-02-18  Eric Christopher  <echristo@gmail.com>
732         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
733         Remove use of arglist.
734         (mips_expand_builtin): Remove use of arglist, pass in expr.
735         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
736         (mips_expand_builtin_movtf): Ditto.
737         (mips_expand_builtin_compare): Ditto.
739 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
741         * tree-sra.c (sra_build_assignment): Replace assertion
742         checking with a comment explaining why it can't be done.
744 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
746         PR middle-end/30833
747         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
748         during CALL_EXPR representation conversion.
749         * tree-ssa-propagate.c (set_rhs): Likewise.
751 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
753         * tree-sra.c (sra_build_assignment): Disable assertion checking
754         for now.
756 2007-02-18  Roger Sayle  <roger@eyesopen.com>
758         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
759         instead of calling build2 with a GIMPLE_MODIFY_STMT.
760         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
761         Likewise.
762         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
763         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
764         gimplify_init_ctor_eval_range, gimple_push_cleanup,
765         gimplify_omp_for, gimplify_omp_atomic_pipeline,
766         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
767         force_gimple_operand): Likewise.
768         * ipa-cp.c (constant_val_insert): Likewise.
769         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
770         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
771         perfect_nestify): Likewise.
772         * langhooks.c (lhd_omp_assignment): Likewise.
773         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
774         lower_copyprivate_clauses, lower_send_clauses,
775         lower_send_shared_vars, expand_parallel_call,
776         expand_omp_for_generic, expand_omp_for_static_nochunk,
777         expand_omp_for_static_chunk, expand_omp_sections,
778         lower_omp_single_copy, lower_omp_for_lastprivate,
779         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
780         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
781         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
782         Likewise.
784 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
786         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
787         config/sh/sh.md: Follow spelling conventions.
789         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
790         config/frv/predicates.md: Follow spelling conventions.
792         * config/m68k/linux-unwind.h: Fix a comment typo.
793         * target.h: Follow spelling conventions.
795 2007-02-18  Roger Sayle  <roger@eyesopen.com>
797         PR rtl-optimization/28173
798         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
799         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
800         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
801         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
802         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
804 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
806         * builtins.c (fold_builtin_load_exponent): New.
807         (fold_builtin_2): Use it.
809 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
811         PR rtl-optimization/30773
812         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
813         if we fail to attach a REG_EQUIV note.
815 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
816             Roger Sayle  <roger@eyesopen.com>
818         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
820 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
822         * calls.c (initialize_argument_information): Pass original EXP
823         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
824         code to split complex arguments here, as part of initializing the
825         ARGS array.
826         (expand_call): Remove code that builds a list of arguments and
827         inserts implicit arguments into it.  Instead, just count how many
828         implicit arguments there will be so we can determine the size of
829         the ARGS array, and let initialize_argument_information do the work.
830         (split_complex_values): Delete unused function.
832 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
834         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
836 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
838         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
839         for arg pointer based indexed addressing.
841 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
843         * config/ia64/ia64.h, config/ia64/ia64.md,
844         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
845         spelling conventions.
847 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
849         * config/m68k/m68k.c (split_di): New.
850         * config/m68k/m68k-protos.h: Declare split_di.
851         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
852           Improve predicate handling and split constant shifts.
854 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
856         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
857         parameter for register bitfield operations, general predicates
858         cleanup
860 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
862         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
863         * config/m68k/linux-unwind.h: New file.
865 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
867         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
868         config/i386/athlon.md, config/ia64/ia64.md,
869         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
870         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
871         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
872         tree-ssa-loop-niter.c, tree-vect-analyze.c,
873         tree-vect-transform.c: Fix comment typos.
875 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
877         * sched-deps.c (find_insn_list): Remove.
878         * sched-int.h: Remove the prototype for find_insn_list.
880 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
882         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
883         to linker.
884         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
885         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
886         darwin_rs6000_override_options.
887         (C_COMMON_OVERRIDE_OPTIONS): Expect
888         darwin_macosx_version_min to be non-NULL always.
889         (TARGET_C99_FUNCTIONS): Likewise.
890         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
891         (DARWIN_MINVERSION_SPEC): New.
892         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
893         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
894         to cc1*.
895         (DARWIN_MINVERSION_SPEC): New.
896         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
897         value.
898         * config/darwin-c.c (darwin_cpp_builtins): Expect
899         darwin_macosx_version_min to be non-NULL always.
901         * config/rs6000/rs6000.c: Clean up trailing whitespace.
903 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
905         * config/i386/i386.h (x86_use_xchgb): New.
906         (TARGET_USE_XCHGB): New macro.
907         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
908         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
909         Split after reload into bswaphi for shifts of 8.
910         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
911         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
912         or when optimizing for size.
914 2007-02-16  Richard Guenther  <rguenther@suse.de>
915             Christian Bruel  <christian.bruel@st.com>
917         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
918         DECLs but prefer SSA_NAMEs over DECLs.
920 2007-02-16  Richard Guenther  <rguenther@suse.de>
922         * tree-flow-inline.h (single_imm_use_p): Remove.
923         (zero_imm_uses_p): Likewise.
924         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
925         instead of single_imm_use_p.
926         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
927         zero_imm_uses_p.
929 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
931         PR other/27843
932         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
933         nested double- and backquotes.
935 2007-02-15  Roger Sayle  <roger@eyesopen.com>
937         PR middle-end/30391
938         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
939         should be unreachable.
940         (build2_stat): Allow construction of MODIFY_EXPR at any time.
941         For the time being redirect GIMPLE_MODIFY_STMT to the new
942         (renamed) build_gimple_modify_stmt_stat.
943         (build2_gimple_stat): Rename to...
944         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
945         Always build a GIMPLE_MODIFY_STMT node.
946         * tree.h (build2_gimple, build2_gimple_stat): Delete.
947         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
948         declarations.
950         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
951         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
952         * tree-complex.c (set_component_ssa_name, expand_complex_move,
953         expand_complex_div_wide): Likewise.
954         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
955         * tree-ssa-loop-im.c (schedule_sm): Likewise.
956         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
957         * tree-ssa-loop-manip.c (create_iv): Likewise.
958         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
959         abs_replacement): Likewise.
960         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
961         realify_fake_stores): Likewise.
963         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
964         node rather than a GIMPLE_MODIFY_STMT node.
965         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
966         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
967         Likewise.
968         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
969         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
970         GIMPLE_MODIFY_STMT.
972 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
974         PR middle-end/30433
975         * fold-const.c (fold_comparison): Add back the
976         folding of constant complex comparisions.
978 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
980         PR middle-end/30729
981         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
982         effects unknown to this function, return early.
984 2007-02-15  Ian Lance Taylor  <iant@google.com>
986         * lower-subreg.c (move_eh_region_note): New static function.
987         (resolve_simple_move): Call it.
988         (decompose_multiword_subregs): Track blocks for which we resolve a
989         simple move which is also a control flow insn.  Pass them to
990         find_many_sub_basic_blocks.
991         (pass_lower_subreg): Add TODO_verify_flow.
992         (pass_lower_subreg2): Likewise.
994 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
995             Brooks Moses  <brooks.moses@codesourcery.com>
996             Lee Millward  <lee.millward@codesourcery.com>
998         * tree.h (enum tree_code_class): Add tcc_vl_exp.
999         (VL_EXP_CLASS_P): New.
1000         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
1001         TREE_CODE_LENGTH.
1002         (TREE_OPERAND_CHECK_CODE): Likewise.
1003         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
1004         (TREE_RTL_OPERAND_CHECK): Likewise.
1005         (tree_operand_check_failed): Make second parameter the whole tree
1006         instead of its code.  Fixed callers.
1007         (VL_EXP_CHECK): New.
1008         (TREE_OPERAND_LENGTH): New.
1009         (VL_EXP_OPERAND_LENGTH): New.
1010         (CALL_EXPR_FN): New.
1011         (CALL_EXPR_STATIC_CHAIN): New.
1012         (CALL_EXPR_ARGS): New.
1013         (CALL_EXPR_ARG): New.
1014         (call_expr_nargs): New.
1015         (CALL_EXPR_ARGP): New.
1016         (build_nt_call_list): Declare.
1017         (build_vl_exp_stat): Declare.
1018         (build_vl_exp): New.
1019         (build_call_list): Declare.
1020         (build_call_nary): Declare.
1021         (build_call_valist): Declare.
1022         (build_call_array): Declare.
1023         (call_expr_arg): Declare.
1024         (call_expr_argp): Declare.
1025         (call_expr_arglist): Declare.
1026         (fold_build_call_list): Declare.
1027         (fold_build_call_list_initializer): Declare.
1028         (fold_call_expr): Declare to replace fold_builtin.
1029         (fold_builtin_fputs): Update to agree with modified definition.
1030         (fold_builtin_strcpy): Likewise.
1031         (fold_builtin_strncpy): Likewise.
1032         (fold_builtin_memory_chk): Likewise.
1033         (fold_builtin_stxcpy_chk): Likewise.
1034         (fold_builtin_strncpy_chk): Likewise.
1035         (fold_builtin_next_arg): Likewise.
1036         (fold_build_call_expr): Declare.
1037         (fold_builtin_call_list): Declare.
1038         (fold_builtin_call_valist): Declare.
1039         (build_call_expr): Declare.
1040         (validate_arglist): Update to agree with modified definition.
1041         (tree_operand_length): New.
1042         (call_expr_arg_iterator): New.
1043         (init_call_expr_arg_iterator): New.
1044         (next_call_expr_arg): New.
1045         (first_call_expr_arg): New.
1046         (more_call_expr_args_p): New.
1047         (FOR_EACH_CALL_EXPR_ARG): New.
1049         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
1050         and tcc_gimple_stmt.
1051         (tree_code_size): Update documentation.  Use sizeof (tree) rather
1052         than sizeof (char *).
1053         (tree_size): Likewise.  Add case for tcc_vl_exp.
1054         (tree_node_structure): Add case for tcc_vl_exp.
1055         (contains_placeholder_p): Likewise.
1056         (substitute_in_expr): Likewise.
1057         (substitute_placeholder_in_expr): Likewise.
1058         (stabilize_reference_1): Likewise.
1059         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
1060         to diagnose breakage of this interface for constructing CALL_EXPRs.
1061         (build_nt): Add similar assertion here.
1062         (build_nt_call_list): New.
1063         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
1064         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
1065         TREE_CODE_LENGTH.
1066         (get_callee_fndecl): Use new CALL_EXPR accessors.
1067         (tree_operand_check_failed): Change parameters to pass entire node
1068         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
1069         (process_call_operands): New.
1070         (build_vl_exp_stat): New.
1071         (build_call_list): New.
1072         (build_call_nary): New.
1073         (build_call_valist): New.
1074         (build_call_array): New.
1075         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1076         (call_expr_arglist): New.
1078         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
1079         tcc_vl_exp instead of a fixed-size tcc_expression.
1081         * doc/c-tree.texi (CALL_EXPR): Document new representation and
1082         accessors for CALL_EXPRs.
1083         (AGGR_INIT_EXPR): Likewise.
1085 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1086             Brooks Moses  <brooks.moses@codesourcery.com>
1087             Lee Millward  <lee.millward@codesourcery.com>
1089         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
1090         (expand_builtin_nonlocal_goto): Change parameter to be entire
1091         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
1092         (expand_builtin_prefetch): Likewise.
1093         (expand_builtin_classify_type): Likewise.
1094         (mathfn_built_in): Return NULL_TREE instead of 0.
1095         (expand_errno_check): Use new CALL_EXPR accessors.
1096         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
1097         Return NULL_RTX instead of 0.
1098         (expand_builtin_mathfn_2): Likewise.
1099         (expand_builtin_mathfn_3): Likewise.
1100         (expand_builtin_interclass_mathfn): Likewise.
1101         (expand_builtin_sincos): Likewise.
1102         (expand_builtin_cexpi): Likewise.
1103         (expand_builtin_int_roundingfn): Likewise.
1104         (expand_builtin_int_roundingfn_2): Likewise.
1105         (expand_builtin_pow): Likewise.
1106         (expand_builtin_powi): Likewise.
1107         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
1108         of arglist, fixing callers appropriately.  Use new CALL_EXPR
1109         accessors and constructors.  Return NULL_RTX instead of 0.
1110         (expand_builtin_strstr): Likewise.
1111         (expand_builtin_strchr): Likewise.
1112         (expand_builtin_strrchr): Likewise.
1113         (expand_builtin_strpbrk): Likewise.
1114         (expand_builtin_memcpy): Likewise.
1115         (expand_builtin_mempcpy): Likewise.
1116         (expand_builtin_mempcpy_args): New.
1117         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
1118         (expand_builtin_memmove_args): New.
1119         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
1120         (expand_movstr): Likewise.
1121         (expand_builtin_strcpy): Likewise.
1122         (expand_builtin_strcpy_args): New.
1123         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
1124         (expand_builtin_strncpy): Likewise.
1125         (expand_builtin_memset): Likewise.
1126         (expand_builtin_memset_args): New.
1127         (expand_builtin_bzero): Similarly to expand_builtin_memset.
1128         (expand_builtin_memcmp): Likewise.
1129         (expand_builtin_strcmp): Likewise.
1130         (expand_builtin_strncmp): Likewise.
1131         (expand_builtin_strcat): Likewise.
1132         (expand_builtin_strncat): Likewise.
1133         (expand_builtin_strspn): Likewise.
1134         (expand_builtin_strcspn): Likewise.
1135         (expand_builtin_args_info): Likewise.
1136         (expand_builtin_va_start): Likewise.
1137         (gimplify_va_arg_expr): Likewise.
1138         (expand_builtin_va_end): Likewise.
1139         (expand_builtin_va_copy): Likewise.
1140         (expand_builtin_frame_address): Likewise.
1141         (expand_builtin_alloca): Likewise.
1142         (expand_builtin_bswap): Likewise.
1143         (expand_builtin_unop): Likewise.
1144         (expand_builtin_fputs): Likewise.
1145         (expand_builtin_expect): Likewise.
1146         (expand_builtin_fabs): Likewise.
1147         (expand_builtin_copysign): Likewise.
1148         (expand_builtin_printf): Likewise.
1149         (expand_builtin_fprintf): Likewise.
1150         (expand_builtin_sprintf): Likewise.
1151         (expand_builtin_init_trampoline): Likewise.
1152         (expand_builtin_signbit): Likewise.
1153         (expand_builtin_fork_or_exec): Likewise.
1154         (expand_builtin_sync_operation): Likewise.
1155         (expand_builtin_compare_and_swap): Likewise.
1156         (expand_builtin_lock_test_and_set): Likewise.
1157         (expand_builtin_lock_release): Likewise.
1158         (expand_builtin): Likewise.
1159         (builtin_mathfn_code): Likewise.
1161         (fold_builtin_constant_p): Pass call arguments individually instead
1162         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1163         accessors and constructors.  Return NULL_TREE instead of 0.
1164         (fold_builtin_expect): Likewise.
1165         (fold_builtin_classify_type): Likewise.
1166         (fold_builtin_strlen): Likewise.
1167         (fold_builtin_nan): Likewise.
1168         (integer_valued_real_p): Likewise.
1169         (fold_trunc_transparent_mathfn): Likewise.
1170         (fold_fixed_mathfn): Likewise.
1171         (fold_builtin_cabs): Likewise.
1172         (fold_builtin_sqrt): Likewise.
1173         (fold_builtin_cbrt): Likewise.
1174         (fold_builtin_cos): Likewise.
1175         (fold_builtin_cosh): Likewise.
1176         (fold_builtin_tan): Likewise.
1177         (fold_builtin_sincos): Likewise.
1178         (fold_builtin_cexp): Likewise.
1179         (fold_builtin_trunc): Likewise.
1180         (fold_builtin_floor): Likewise.
1181         (fold_builtin_ceil): Likewise.
1182         (fold_builtin_round): Likewise.
1183         (fold_builtin_int_roundingfn): Likewise.
1184         (fold_builtin_bitop): Likewise.
1185         (fold_builtin_bswap): Likewise.
1186         (fold_builtin_logarithm): Likewise.
1187         (fold_builtin_hypot): Likewise.
1188         (fold_builtin_pow): Likewise.
1189         (fold_builtin_powi): Likewise.
1190         (fold_builtin_exponent): Likewise.
1191         (fold_builtin_memset): Likewise.
1192         (fold_builtin_bzero): Likewise.
1193         (fold_builtin_memory_op): Likewise.
1194         (fold_builtin_bcopy): Deleted; call site changed to invoke
1195         fold_builtin_memory_op directly.
1196         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
1197         (fold_builtin_strncpy): Likewise.
1198         (fold_builtin_memcmp): Likewise.
1199         (fold_builtin_strcmp): Likewise.
1200         (fold_builtin_strncmp): Likewise.
1201         (fold_builtin_signbit): Likewise.
1202         (fold_builtin_copysign): Likewise.
1203         (fold_builtin_isascii): Likewise.
1204         (fold_builtin_toascii): Likewise.
1205         (fold_builtin_isdigit): Likewise.
1206         (fold_builtin_fabs): Likewise.
1207         (fold_builtin_abs): Likewise.
1208         (fold_builtin_fmin_fmax): Likewise.
1209         (fold_builtin_carg): Likewise.
1210         (fold_builtin_classify): Likewise.
1211         (fold_builtin_unordered_cmp): Likewise.
1213         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
1214         New functions split out from fold_builtin_1.
1215         (fold_builtin_n): New.
1216         (fold_builtin_varargs): New.
1217         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
1218         instead.
1219         (fold_call_expr): New.
1220         (build_function_call_expr): Rewrite to use new helper function.
1221         (fold_builtin_call_list): New.
1222         (build_call_expr): New.
1223         (fold_builtin_call_valist): New.
1224         (rewrite_call_expr): New.
1225         (validate_arg): New.
1226         (validate_arglist): Change parameter to be entire CALL_EXPR instead
1227         of an arglist.  Change return type to bool.  Use new CALL_EXPR
1228         accessors.
1230         (fold_builtin_strstr):  Pass call arguments individually instead
1231         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1232         accessors and constructors.  Return NULL_TREE instead of 0.
1233         (fold_builtin_strchr): Likewise.
1234         (fold_builtin_strrchr): Likewise.
1235         (fold_builtin_strpbrk): Likewise.
1236         (fold_builtin_strcat): Likewise.
1237         (fold_builtin_strncat): Likewise.
1238         (fold_builtin_strspn): Likewise.
1239         (fold_builtin_strcspn): Likewise.
1240         (fold_builtin_fputs): Likewise.
1241         (fold_builtin_next_arg): Likewise.
1242         (fold_builtin_sprintf): Likewise.
1244         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
1245         NULL_RTX instead of 0.
1246         (expand_builtin_memory_chk): Likewise.
1247         (maybe_emit_chk_warning): Likewise.
1248         (maybe_emit_sprintf_chk_warning): Likewise.
1250         (fold_builtin_object_size): Pass call arguments individually instead
1251         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1252         accessors and constructors.  Return NULL_TREE instead of 0.
1253         (fold_builtin_memory_chk): Likewise.
1254         (fold_builtin_stxcpy_chk): Likewise.
1255         (fold_builtin_strncpy_chk): Likewise.
1256         (fold_builtin_strcat_chk): Likewise.
1257         (fold_builtin_strcat_chk): Likewise.
1258         (fold_builtin_strncat_chk): Likewise.
1259         (fold_builtin_sprintf_chk): Likewise.
1260         (fold_builtin_snprintf_chk): Likewise.
1261         (fold_builtin_printf): Likewise.
1262         (fold_builtin_vprintf): Likewise.
1264         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
1265         constructors.
1266         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
1267         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1268         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
1269         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
1270         (fold_unary): Likewise.
1271         (fold_binary): Likewise.
1272         (fold_ternary): Remove CALL_EXPR case, since they are no longer
1273         ternary expressions.
1274         (fold): Add logic for tcc_vl_exp.
1275         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
1276         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1277         (fold_build3_stat): Add assertion to flag broken interface for
1278         constructing CALL_EXPRs.
1279         (fold_build_call_list): New.
1280         (fold_build_call_list_initializer): New.
1281         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
1282         constructors.
1283         (fold_strip_sign_ops): Likewise.
1285 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1286             Brooks Moses  <brooks.moses@codesourcery.com>
1287             Lee Millward  <lee.millward@codesourcery.com>
1289         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
1290         accessors and dump arguments explicitly.
1292         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
1293         TREE_CODE_LENGTH.
1294         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
1295         explicitly.
1296         (print_call_name): Use new CALL_EXPR accessors.
1298         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
1299         CALL_EXPR arguments explicitly instead of as a list.  Use
1300         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1302         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
1303         (vrp_visit_stmt): Likewise.
1305         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
1306         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
1307         TREE_CODE_LENGTH.
1308         (force_move_till_expr): Likewise.
1310         * targhooks.c (default_external_stack_protect_fail): Use
1311         build_call_expr instead of build_function_call_expr.
1312         (default_hidden_stack_protect_fail): Likewise.
1314         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
1315         build the call.
1317         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
1318         and walk arguments explicitly.
1320         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
1321         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1322         (expand_simple_operations): Likewise.
1323         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
1325         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
1326         of TREE_CODE_LENGTH.
1327         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
1329         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
1330         instead of TREE_CODE_LENGTH.
1332         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
1333         (tree_ic_transform): Likewise.
1334         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
1335         parameter instead of arglist.  Fix callers.
1336         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
1337         (tree_stringops_transform): Likewise.
1338         (tree_indirect_call_to_profile): Likewise.
1339         (tree_stringops_values_to_profile): Likewise.
1341         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
1342         (eliminate_tail_call): Likewise.
1344         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
1346         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1347         Use TREE_OPERAND_LENGTH and generalize to handle any number of
1348         operands.
1349         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1351         * omp-low.c (build_omp_barrier): Use build_call_expr.
1352         (lower_rec_input_clauses): Likewise.
1353         (lower_reduction_clauses): Likewise.
1354         (expand_parallel_call): Likewise.
1355         (maybe_catch_exception): Likewise.
1356         (expand_omp_for_generic): Likewise.
1357         (expand_omp_for_static_nochunk): Likewise.
1358         (expand_omp_sections): Likewise.
1359         (lower_omp_single_simple): Likewise.
1360         (lower_omp_single_copy): Likewise.
1361         (lower_omp_master): Likewise.
1362         (lower_omp_ordered): Likewise.
1363         (lower_omp_critical): Likewise.
1365         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1366         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1368         * tree-gimple.c (is_gimple_call_addr): Fix doc.
1369         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1370         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
1372         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1373         and generalize to handle any number of operands.
1374         (chrec_contains_undetermined): Likewise.
1375         (tree_contains_chrecs): Likewise.
1376         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1378         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1380         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
1381         fold_call_expr instead of fold_builtin.
1382         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
1383         match declarations there.
1384         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
1385         updates.
1387         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1388         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1390         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1391         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1393         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1394         accessors.
1396         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1397         (execute_cse_sincos): Use new CALL_EXPR accessors.
1399         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1401         * gimple-low.c (lower_function_body): Use build_call_expr.
1402         (lower_builtin_setjmp): Likewise.
1404         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1405         (set_storage_via_libcall): Likewise.
1406         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
1407         instead of TREE_CODE_LENGTH.
1408         (expand_expr_real_1): Use new CALL_EXPR accessors.
1410         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1411         generalize to handle any number of operands.
1412         (TB_parent_eq): Likewise.
1414         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1415         (strip_builtin_expect): Likewise.
1417         * function.c (gimplify_parameters): Use build_call_expr.
1419         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1420         instead of TREE_CODE_LENGTH.
1422         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1423         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1425         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1426         iterators.
1428         * gimplify.c (build_stack_save_restore): Use build_call_expr.
1429         (gimplify_decl_expr): Likewise.
1430         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1431         Use new CALL_EXPR iterators.
1432         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1433         (gimplify_modify_expr_to_memset): Likewise.
1434         (gimplify_variable_sized_compare): Likewise.
1435         (gimplify_omp_atomic_fetch_op): Likewise.
1436         (gimplify_omp_atomic_pipeline): Likewise.
1437         (gimplify_omp_atomic_mutex): Likewise.
1438         (gimplify_function_tree): Likewise.
1440         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1441         (call_expr_flags): Likewise.
1442         (expand_call): Likewise.
1444         * except.c (expand_builtin_eh_return_data_regno): Pass entire
1445         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1446         accessors.
1448         * coverage.c (create_coverage): Use build_call_expr.
1450         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1451         (temp_call_expr_obstack): New.
1452         (pool_copy_list): Delete.
1453         (temp_copy_call_expr): New.
1454         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
1455         CALL_EXPR accessors.  Get rid of special goo for copying argument
1456         lists and use temp_copy_call_expr instead.
1457         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
1458         CALL_EXPR accessors.
1459         (create_expression_by_pieces): Likewise.  Use build_call_array
1460         to construct the result instead of fold_build3.
1461         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
1462         dealing with argument lists.
1463         (init_pre): Remove references to expression_node_pool and
1464         list_node_pool.  Init temp_call_expr_obstack instead.
1465         (fini_pre): Remove references to expression_node_pool and
1466         list_node_pool.
1468         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1469         and walk arguments explicitly instead of as a list.
1471         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1472         (mx_register_decls): Likewise.
1473         (mudflap_register_call): Likewise.
1474         (mudflap_finish_file): Likewise.
1476         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1477         (ipa_callsite_compute_param): Likewise.
1479         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1480         accessors and constructor.
1482         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1483         accessors and constructor.
1484         (convert_tramp_reference): Likewise.
1485         (convert_call_expr): Likewise.
1486         (finalize_nesting_tree_1): Likewise.
1488         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1489         accessors.
1491         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1493         * tree-inline.c (initialize_inlined_parameters): Pass entire
1494         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1495         accessors.
1496         (estimate_num_insns_1): Use new CALL_EXPR accessors.
1497         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1499         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
1500         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1501         (vectorizable_reduction): Likewise.
1502         (vectorizable_call): Use new CALL_EXPR iterators.
1503         (vectorizable_conversion): Use build_call_expr.
1504         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1505         (vect_gen_widened_results_half): Use build_call_expr.
1506         (vect_setup_realignment): Likewise.
1507         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1509         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1510         (pass_through_call): Likewise.
1511         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
1512         fold_builtin.
1514         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1515         (tree_gen_pow2_profiler): Likewise.
1516         (tree_gen_one_value_profiler): Likewise.
1517         (tree_gen_ic_func_profiler): Likewise.
1518         (tree_gen_average_profiler): Likewise.
1519         (tree_gen_ior_profiler): Likewise.
1521         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1522         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1523         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1525         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1526         of TREE_CODE_LENGTH.
1528         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1529         of TREE_CODE_LENGTH.
1531         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1532         constructor.
1533         (convert_to_integer): Likewise.
1535         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1536         accessors.
1538 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1539             Brooks Moses  <brooks.moses@codesourcery.com>
1540             Lee Millward  <lee.millward@codesourcery.com>
1542         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1543         accessors.
1544         * config/frv/frv.c (frv_expand_builtin): Likewise.
1545         * config/s390/s390.c (s390_expand_builtin): Likewise.
1547         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1548         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1550         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1551         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1552         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1553         (ix86_expand_store_builtin): Likewise.
1554         (ix86_expand_unop_builtin): Likewise.
1555         (ix86_expand_unop1_builtin): Likewise.
1556         (ix86_expand_sse_compare): Likewise.
1557         (ix86_expand_sse_comi): Likewise.
1558         (ix86_expand_vec_init_builtin): Likewise.
1559         (ix86_expand_vec_ext_builtin): Likewise.
1560         (ix86_expand_vec_set_builtin): Likewise.
1561         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1563         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1564         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1566         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1567         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1568         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1570         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1571         build_call_expr.
1572         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1573         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1574         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1575         (altivec_expand_abs_builtin): Likewise.
1576         (rs6000_expand_binop_builtin): Likewise.
1577         (altivec_expand_predicate_builtin): Likewise.
1578         (altivec_expand_lv_builtin): Likewise.
1579         (spe_expand_stv_builtin): Likewise.
1580         (altivec_expand_stv_builtin): Likewise.
1581         (rs6000_expand_ternop_builtin): Likewise.
1582         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1583         (altivec_expand_st_builtin): Likewise.
1584         (altivec_expand_dst_builtin): Likewise.
1585         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1586         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1587         (altivec_expand_vec_set_builtin): Likewise.
1588         (altivec_expand_vec_ext_builtin): Likewise.
1589         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1590         (spe_expand_builtin): Likewise.
1591         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1592         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1593         (spe_expand_evsel_builtin): Likewise.
1594         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1595         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1597         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1598         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1599         (arm_expand_unop_builtin): Likewise.
1600         (arm_expand_builtin): Use new CALL_EXPR accessors.
1602         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1603         accessors.
1605         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1606         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1607         (bfin_expand_unop_builtin): Likewise.
1608         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1610 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1611             Brooks Moses  <brooks.moses@codesourcery.com>
1612             Lee Millward  <lee.millward@codesourcery.com>
1614         * c-semantics.c (build_stmt): Add internal diagnostic check.
1616         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1617         accessors.  Print arguments explicitly instead of as a list.
1619         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1621         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1622         (c_finish_omp_flish): Likewise.
1624         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1625         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1626         instead of TREE_CODE_LENGTH.
1627         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1628         (c_warn_unused_result): Likewise.
1630 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1632         PR c/26494
1633         * doc/invoke.texi (Warning Options): Remove
1634         -Werror-implicit-function-declaration.
1635         (Wimplicit-function-declaration): Update description.
1636         * opts.c (common_handle_option): Move handling of -Werror=* to...
1637         (enable_warning_as_error): ...here.
1638         * opts.h (enable_warning_as_error): Declare.
1639         * c-decl.c (implicit_decl_warning): Unless
1640         -Wno-implicit-function-declaration is given, emit a pedwarn if
1641         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1642         * c.opt (Wimplicit-function-declaration): Replace
1643         mesg_implicit_function_declaration with
1644         warn_implicit_function_declaration.
1645         * c-opts.c (c_common_handle_option):
1646         -Werror-implicit-function-declaration is exactly equal as
1647         -Werror=implicit-function-declaration.
1648         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1649         warn_implicit_function_declaration.
1650         (c_common_post_options): -Wimplict-function-declaration is enabled
1651         by default by -std=c99, otherwise is disabled by default.
1652         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1654 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1656         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1657         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1658         former is ignored but not the latter.
1660 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1662         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1663         is made and the reference doesn't use the alias set of its type,
1664         do not create the temporary using that type.
1666 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1668         * jump.c: Remove prototypes for delete_computation and
1669         delete_prior_computation.
1671 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1673         * jump.c (get_label_after): Delete.
1674         (get_label_before, delete_computation, delete_jump,
1675         delete_prior_computation, follow_jumps): Move...
1676         * reorg.c (delete_computation, delete_prior_computation): ... here...
1677         (get_label_before, delete_jump): ... making these static ...
1678         (follow_jumps): ... and simplifying this since it only runs after
1679         reload.
1680         * rtl.h (get_label_after, get_label_before, delete_jump,
1681         follow_jumps): Delete prototypes.
1683 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1685         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1687 2007-02-15  Nick Clifton  <nickc@redhat.com>
1689         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1690         order to prevent it from being munged by the target.
1692 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1694         * config/i386/i386.md: Remove misleading comment.
1696 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1698         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1699         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1700         invalid patterns.
1702 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1704         * tree-sra.c (instantiate_missing_elements): Canonicalize
1705         bit-field types.
1706         (sra_build_assignment): New.
1707         (generate_copy_inout, generate_element_copy,
1708         generate_element_zero, generate_one_element_init): Use it.
1710 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1712         * tree-sra.c (instantiate_missing_elements): Canonicalize
1713         bit-field types.
1714         (sra_build_assignment): New.
1715         (generate_copy_inout, generate_element_copy,
1716         generate_element_zero, generate_one_element_init): Use it.
1718 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1720         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1721         limbo die nodes.
1723 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1725         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1726         types as aggregates not scalars.
1727         * function.c (assign_stack_temp_for_type): Likewise.
1729 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1730             Zdenek Dvorak  <dvorakz@suse.cz>
1732         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1733         name.
1735 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1737         * passes.c (next_pass_1): Clear the next field of the copied
1738         pass structure.
1740 2007-02-14  Richard Henderson  <rth@redhat.com>
1742         * tree-sra.c (early_sra): New.
1743         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1744         (tree_sra_early, pass_sra_early): New.
1745         * tree-pass.h (pass_sra_early): Declare.
1746         * passes.c (init_optimization_passes): Use it.
1748 2007-02-14  Richard Guenther  <rguenther@suse.de>
1750         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1752 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1754          PR tree-optimization/30771
1755         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1756         also phi nodes.
1757         (vect_analyze_operations): Induction phis can now be marked as
1758         used_in_loop.
1759         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1760         Update documentation accordingly.
1762 2007-02-14  Nick Clifton  <nickc@redhat.com>
1764         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1765         most 3 arguments are supported.
1766         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1768 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1770         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1771         Ensure dst->current is valid.
1773 2007-02-13  Paul Brook  <paul@codesourcery.com>
1775         * config.gcc: Add arm*-*-uclinux-*eabi.
1776         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1777         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1778         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1779         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1780         (LINK_SPEC): Define.
1781         (LIB_SPEC): Define.
1782         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1783         register.
1784         * config/arm/uclinux-eabi.h: New file.
1785         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1786         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1787         based targets.
1789 2007-02-13  Ian Lance Taylor  <iant@google.com>
1791         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1792         * flags.h (warn_strict_overflow): Declare.
1793         (enum warn_strict_overflow_code): Define.
1794         (issue_strict_overflow_warning): New static inline function.
1795         * opts.c (warn_strict_overflow): New variable.
1796         (common_handle_option): Handle OPT_Wstrict_overflow and
1797         OPT_Wstrict_overflow_.
1798         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1799         OPT_Wall.
1800         * fold-const.c: Include intl.h.
1801         (fold_deferring_overflow_warnings): New static variable.
1802         (fold_deferred_overflow_warning): New static variable.
1803         (fold_deferred_overflow_code): New static variable.
1804         (fold_defer_overflow_warnings): New function.
1805         (fold_undefer_overflow_warnings): New function.
1806         (fold_undefer_and_ignore_overflow_warnings): New function.
1807         (fold_deferring_overflow_warnings_p): New function.
1808         (fold_overflow_warning): New static function.
1809         (make_range): Add strict_overflow_p parameter.  Change all
1810         callers.
1811         (extract_muldiv, extract_muldiv_1): Likewise.
1812         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1813         tree_expr_nonnegative_p.
1814         (fold_negate_expr): Call fold_overflow_warning.
1815         (fold_range_test): Likewise.
1816         (fold_comparison): Likewise.
1817         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1818         instead of tree_expr_nonnegative_p.
1819         (tree_expr_nonnegative_warnv_p): Rename from
1820         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1821         (tree_expr_nonnegative_p): New function.
1822         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1823         strict_overflow_p parameter.
1824         (tree_expr_nonzero_p): New function.
1825         * passes.c (verify_interpass_invariants): New static function.
1826         (execute_one_pass): Call it.
1827         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1828         warnings.
1829         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1830         (estimate_numbers_of_iterations): Likewise.
1831         (scev_probably_wraps_p): Likewise.
1832         * tree-ssa-ccp.c: Include "toplev.h".
1833         (evaluate_stmt): Defer fold overflow warnings until we know we are
1834         going to optimize.
1835         (struct fold_stmt_r_data): Add stmt field.
1836         (fold_stmt_r): Defer fold overflow warnings until we know we
1837         optimized.
1838         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1839         (fold_stmt_inplace): Likewise.
1840         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1841         (cleanup_control_expr_graph): Defer fold overflow warnings until
1842         we know we are going to optimize.
1843         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1844         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1845         Likewise.
1846         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1847         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1848         * tree-ssa-loop-manip.c (create_iv): Likewise.
1849         * c-typeck.c (build_conditional_expr): Likewise.
1850         (build_binary_op): Likewise.
1851         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1852         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1853         (extract_range_from_unary_expr): Likewise.
1854         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1855         assuming that signed overflow does not occur.
1856         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1857         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1858         (fold_defer_overflow_warnings): Declare.
1859         (fold_undefer_overflow_warnings): Declare.
1860         (fold_undefer_and_ignore_overflow_warnings): Declare.
1861         (fold_deferring_overflow_warnings_p): Declare.
1862         (tree_expr_nonzero_warnv_p): Declare.
1863         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1864         of warning options.
1865         (Warning Options): Document -Wstrict-overflow.
1866         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1867         (tree-ssa-ccp.o): Likewise.
1868         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1869         (fold-const.o): Depend on intl.h.
1871 2007-02-13  Ian Lance Taylor  <iant@google.com>
1873         PR middle-end/30751
1874         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1875         addresses.
1877 2007-02-13  Stuart Hastings  <stuart@apple.com>
1879         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1881 2007-02-13  Richard Henderson  <rth@redhat.com>
1883         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1884         handled_component_p before looking for the indirect_ref.
1886 2007-02-13  Richard Henderson  <rth@redhat.com>
1888         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1889         remove flags clobber.
1890         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1891         (bswaphi_lowpart): New.
1892         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1893         remove TARGET_BSWAP test.  Delete expander of the same name.
1895         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1896         (expand_unop): Use them.
1898 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1900         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1901         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1902         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1903         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1904         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1905         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1906         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1907         assembler dialect choice from asm templates.
1909 2007-02-12  Richard Henderson  <rth@redhat.com>
1911         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1912         (fixuns_trunc<SSEMODEF>si2): Use it.
1913         * config/i386/sse.md (vec_setv4sf_0): Export.
1914         * config/i386/i386.c (ix86_build_const_vector): Export.
1915         (ix86_split_convert_uns_si_sse): Rename from
1916         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1917         * config/i386/i386-protos.h: Update.
1919 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1921         PR c/29521
1922         * c-typeck.c (c_finish_return): Improve warning message.
1924 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1926         * alias.c (find_symbolic_term): Delete unused function.
1928 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1930         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1931         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1932         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1934 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1936         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1937         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1938         the function, temporarily point the debug interface to the null one.
1940 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1942         * dwarf2out.c (round_up_to_align): New static function.
1943         (field_byte_offset): Use it to round the offset.
1945 2007-02-12  Richard Henderson  <rth@redhat.com>
1947         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1948         (inswl_const): Export.
1950 2007-02-12  Richard Henderson  <rth@redhat.com>
1952         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1953         result mode of the libcall, convert back to outmode.
1955 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1957         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1958         (bswapdi2): New define_expand to implement 32-bit implementation.
1960 2007-02-12  Nick Clifton  <nickc@redhat.com>
1962         * doc/invoke.texi (Overall Options): Document --help=.
1963         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1964         (cc1_options): Pass --help= on to cc1.
1965         (display_help): Add description of --help=.
1966         (process_command): Add code to handle --help=.  Allow translated
1967         --help and --target-help switches to be passed on to compiler
1968         sub-process.
1969         (main): Remove unused if statement.
1970         * opts.c (columns): Remove.
1971         (LEFT_COLUMN): Define.
1972         (wrap_help): Add columns argument.
1973         (print_filtered_help): Change parameters to be an include bitmask,
1974         an exclude bitmask, an any bitmask and the column width.  Move the
1975         code to display the params list here.  Add code to display the
1976         status of options rather than their descriptions if the quiet flag
1977         is not active.
1978         (print_specific_help): Change parameters to be an include bitmask,
1979         an exclude bitmask and an any bitmask.  Move code to look up the
1980         column width here.  Decide upon the title for an options listing.
1981         (common_handle_options): Add code to handle --help=.  Adapt code
1982         for --help and --target-help to use the revised form of the
1983         print_specific_help function.
1984         (print_help): Delete.
1985         (print_param_help): Delete.
1986         (print_switch): Delete.
1987         * opts.h (cl_lang_count): Add prototype.
1988         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1989         CL_MAX_OPTION_CLASS): New defines.
1990         * optc-gen.awk: Add construction of cl_lang_count.
1991         * c.opt: Add Warning attribute to warning options and Optimization
1992         attribute to optimization options.
1993         * common.opt: Likewise.
1994         Add --help=.
1995         Add -fhelp and -ftarget-help as aliases for the transformed --help
1996         and --target-help options.
1997         * opt-functions.awk: Add code to handle Warning and Optimization
1998         attributes.
2000 2007-02-12  Richard Henderson  <rth@redhat.com>
2002         * config/alpha/constraints.md: New file.
2003         * config/alpha/alpha.c: Include tm-constrs.h.
2004         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
2005         alpha_extra_constraint): Remove.
2006         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
2007         * config/alpha/alpha-protos.h: Update.
2008         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
2009         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
2010         (EXTRA_CONSTRAINT): Remove.
2011         * config/alpha/alpha.md: Include constraints.md.
2012         (adddi splitter): Use satisfies_constraint_*.
2013         * config/alpha/predicates.md (add_operand): Likewise.
2014         (sext_add_operand, addition_operation): Likewise.
2016 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
2018         PR tree-optimization/29145
2019         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
2020         in our handling of restrict qualified pointers.
2022 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2024         PR middle-end/7651
2025         * doc/invoke.texi (Wunused-value): Update description.
2026         (Wextra): Delete item.
2027         * opts.c (set_Wextra): Don't use the value of Wextra to set the
2028         value of Wunused-value.
2029         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
2030         (c_finish_stmt_expr): Don't check extra_warnings.
2031         (emit_side_effect_warnings): The caller is responsible to check
2032         warn_unused_value.
2034 2007-02-11  Roger Sayle  <roger@eyesopen.com>
2035             Matt Thomas  <matt@3am-software.com>
2037         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
2039 2007-02-11  Roger Sayle  <roger@eyesopen.com>
2041         * simplify-rtx.c (simplify_relational_operation_1): Optimize
2042         comparisons of POPCOUNT against zero.
2043         (simplify_const_relational_operation): Likewise.
2045 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2047         * doc/invoke.texi (Wextra): Delete outdated paragraph.
2049 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2051         * dwarf2out.c (root_type): Delete unused function.
2053 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2055         * genattrtab.c (contained_in_p): Delete unused function.
2056         (write_expr_attr_cache): Likewise.
2058 2007-02-11  Jan Hubicka  <jh@suse.cz>
2060         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
2061         previous patch.
2063 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
2065         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
2066         to add the REG_EQ* note.
2067         * see.c (see_merge_one_use_extension): Likewise.
2068         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
2069         turn REG_EQUAL notes into REG_EQUIV notes if the target
2070         register may have more than one set.
2071         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
2072         * gcse.c (try_replace_reg): Likewise.
2073         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
2074         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
2075         more than one REG_EQUIV note.
2076         * reload1.c (gen_reload): Use set_unique_reg_note.
2078 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
2080         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
2081         (ix86_builtin_conversion): New function.
2083 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
2085         PR target/29487
2086         * tree.h (DECL_REPLACEABLE_P): New macro.
2087         * except.c (set_nothrow_function_flags): Likewise.
2089 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
2090             Ira Rosen  <irar@il.ibm.com>
2091             Dorit Nuzman  <dorit@il.ibm.com>
2093         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
2094         * targhooks.c (default_builtin_vectorized_conversion): New.
2095         * targhooks.h (default_builtin_vectorized_function): New declaration.
2096         * target.h (struct vectorize): Add builtin_conversion field.
2097         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
2098         stmt_vec_info_type value.
2099         (vectorizable_conversion): New declaration.
2100         * tree-vect-analyze.c (vect_analyze_operations): Add
2101         vectorizable_conversion call.
2102         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
2103         * tree-vect-transform.c (vectorizable_conversion): New function.
2104         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
2105         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2106         mode.
2107         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
2108         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
2109         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
2110         or ALTIVEC_BUILTIN_VCFSX.
2112 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2114         PR target/30634
2115         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
2116         CONST_DOUBLE and operand 0 is a hard register.
2117         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
2118         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
2119         is a hard floating-point register.
2121 2007-02-10  Richard Henderson  <rth@redhat.com>
2122             Jakub Jelinek  <jakub@redhat.com>
2123             Alexandre Oliva  <aoliva@redhat.com>
2125         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
2126         * builtin-types.def (BT_WORD): Make unsigned.
2127         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2128         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2129         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2130         * c-decl.c (grokdeclarator): Don't error if !have_tls.
2131         * c-parser.c (c_parser_omp_threadprivate): Likewise.
2132         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2133         emulated tls.
2134         * expr.c (emutls_var_address): New.
2135         (expand_expr_real_1): Expand emulated tls.
2136         (expand_expr_addr_expr_1): Likewise.
2137         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2138         * output.h (emutls_finish): Declare.
2139         * toplev.c (compile_file): Call it.
2140         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2141         address before wrapping in CONST.
2142         * varasm.c (emutls_htab, emutls_object_type): New.
2143         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2144         (get_emutls_object_name, get_emutls_object_type): New.
2145         (get_emutls_init_templ_addr, emutls_decl): New.
2146         (emutls_common_1, emutls_finish): New.
2147         (assemble_variable): When emulating tls, swap decls; generate
2148         constructor for the emutls objects.
2149         (do_assemble_alias): When emulating tls, swap decl and target name.
2150         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2151         for emulated tls.
2152         * varpool.c (decide_is_variable_needed): Look at force_output.
2153         Recurse for emulated tls.
2154         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
2155         with decide_is_variable_needed.
2156         * emutls.c: New file.
2157         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2158         tls_object for real tls.
2160 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2162         PR rtl-optimization/29599
2163         * reload1.c (eliminate_regs_in_insn): Take the destination
2164         mode into account when computing the offset.
2166 2007-02-09  Stuart Hastings  <stuart@apple.com>
2167             Richard Henderson  <rth@redhat.com>
2169         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2170         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2171         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
2172         fixuns_truncdfhi2): New.
2173         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
2174         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
2175         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
2176         (floatunssidf2): Allow nonimmediate source.
2177         * gcc/config/i386/sse.md (movdi_to_sse): New.
2178         (vec_concatv2di): Drop '*'.
2179         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
2180         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2181         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
2182         New.
2183         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
2184         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2185         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
2186         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
2187         (ix86_build_signbit_mask): Fix decl of v, refactor to call
2188         ix86_build_const_vector.
2189         (x86_emit_floatuns): Rewrite.
2191 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2193         * genautomata.c (longest_path_length): Delete unused function.
2194         (struct state): Delete unused longest_path_length.
2195         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
2196         (get_free_state): Delete unused.
2198 2007-02-09  Jan Hubicka  <jh@suse.cz>
2200         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
2201         * doc/invoke.texi (inline-unit-growth): Update default value.
2203         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
2204         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
2205         (rebuild_cgraph_edges): Likewise.
2206         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
2207         (dump_cgraph_node): Dump frequencies.
2208         (cgraph_clone_edge): Add frequency scales.
2209         (cgraph_clone_node): Add freuqnecy.
2210         * cgraph.h (cgraph_edge): Add freuqnecy argument.
2211         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
2212         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
2213         * tree-pass.h (TODO_rebuild_frequencies): New constant.
2214         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
2215         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
2216         (save_inline_function_body): Likewise.
2217         * ipa-inline.c: inluce rtl.h
2218         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
2219         (cgraph_edge_badness): Use frequencies.
2220         (cgraph_decide_recursive_inlining): Update clonning.
2221         (cgraph_decide_inlining_of_small_function): Dump frequency.
2222         * predict.c (estimate_bb_frequencies): Export.
2223         * predict.h (estimate_bb_frequencies): Declare.
2224         * tree-inline.c (copy_bb): Watch overflows.
2225         (expand_call_inline): Update call of cgraph_create_edge.
2226         (optimize_inline_calls): Use TODO flags to update frequnecies.
2227         * passes.h: Include predict.h
2228         (init_optimization_passes): Move profile ahead.
2229         (execute_function_todo): Handle TODO_rebuild_frequencies.
2231 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2233         * config/alpha/alpha.c (emit_insxl): Force the first operand of
2234         the insbl or inswl pattern into a register.
2236 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2238         * config/ia64/ia64.md (bswapdi2): New define_insn.
2240 2007-02-09  Richard Henderson  <rth@redhat.com>
2242         * config/i386/constraints.md (Ym): New constraint.
2243         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
2244         (movdi_1_rex64): Split sse and xmm general register moves from
2245         memory move alternatives.  Use conditional register constraints.
2246         (movsf_1, movdf_integer): Likewise.
2247         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
2248         (movdf_integer_rex64): New.
2249         (pushsf_rex64): Fix output constraints.
2250         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
2251         (sse2_stored): Likewise.
2252         (sse2_storeq_rex64): New.
2253         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
2254         amd and not generic.
2255         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
2256         for optimize_size.  Remove SF/DFmode hack.
2258 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2260         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
2261         (bit_SSE4a): New.
2263 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
2264             Richard Sandiford  <richard@codesourcery.com>
2266         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
2267         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
2268         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
2269         m68k/t-mlib to tmake_file.
2270         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
2271         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
2272         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
2273         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
2274         variable is not empty, add t-$m68k_arch_family to tmake_file.
2275         Add t-mlibs to tmake_file.
2276         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
2277         * config/m68k/t-cf: New file.
2278         * config/m68k/t-m68k: Likewise.
2279         * config/m68k/t-mlibs: Likewise.
2280         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2281         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2282         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2283         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2284         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
2285         Delete.
2286         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
2287         (INSTALL_LIBGCC): Delete.
2288         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2289         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2290         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2291         (M68K_MLIB_CPU): Define.
2292         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2293         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2294         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
2296 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2297             Richard Guenther  <rguenther@suse.de>
2299         PR middle-end/23361
2300         * fold-const.c (fold_comparison): Handle obfuscated comparisons
2301         against INT_MIN/INT_MAX.
2302         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
2303         file if a loop is removed.
2305 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
2307         * calls.c (store_one_arg): Pass correct alignment to
2308         emit_push_insn for non-BLKmode values.
2309         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
2310         unaligned stack slot via a suitably aligned slot.
2312 2007-02-08  DJ Delorie  <dj@redhat.com>
2314         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
2315         warnings.
2316         (legal_subregs): Use unsigned char, make const.
2317         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
2319 2007-02-08  Paul Brook  <paul@codesourcery.com>
2321         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
2322         special interworking needed.
2324 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
2326         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
2327         conditional to __SSE2__.
2328         (Entries below should have been added to first ChangeLog
2329         entry for amdfam10 dated 2007-02-05)
2330         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
2331         defined.
2332         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
2333         defined.
2334         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
2335         defined.
2337 2007-02-08  DJ Delorie  <dj@redhat.com>
2339         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
2340         * config/m32c/m32c.c (legal_subregs): New.
2341         (m32c_illegal_subreg_p): New.
2342         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2343         unsupported subregs of hard regs.
2345 2007-02-08  Jan Hubicka  <jh@suse.cz>
2347         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2348         the same one; always update histograms.
2350 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2352         * passes.c (init_optimization_passes): Tidy comment.
2354 2007-02-08  Roger Sayle  <roger@eyesopen.com>
2356         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2357         strip zero_extend, bswap and rotates from POCOUNT's argument.
2358         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2359         zero_extend and rotates from PARITY's argument.
2360         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2361         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2362         of an integer constant at compile-time.
2364 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2366         PR 30562
2367         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2368         Update all users.
2369         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
2370         users.
2371         (init_alias_info):
2372         * tree-ssa-live.c (remove_unused_locals): Do not remove
2373         TREE_ADDRESSABLE variables.
2374         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2375         * tree-ssa-operands.c (add_virtual_operand): Remove argument
2376         FOR_CLOBBER.  Update all users.
2377         If VAR has an associated alias set, add a virtual operand for
2378         it if no alias is found to conflict with the memory reference.
2380 2007-02-07  Jan Hubicka  <jh@suse.cz>
2381             Robert Kidd <rkidd@crhc.uiuc.edu>
2383         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2385 2007-02-07  Ian Lance Taylor  <iant@google.com>
2387         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2389 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2391         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2392         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2393         tablejumpdi, movsi_to_cr_one): Remove constraints from
2394         define_expand's match_operands.
2396 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2398         * global.c (compute_regsets): Move declatation of "i" inside of
2399         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2401 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2403         PR c++/30703
2404         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2405         of INDIRECT_REF <RESULT_DECL>.
2407         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2409 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
2410             Kaz Kojima  <kkojima@gcc.gnu.org>
2412         PR target/29746
2413         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2414         properly.
2415         (sh_initialize_trampoline): Add parentheses to avoid a warning.
2417 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2419         * doc/loop.texi: Document possibility not to perform disambiguation
2420         of loops with multiple latches.
2421         * cfgloopmanip.c (alp_enum_p): Removed.
2422         (add_loop): Handle subloops.  Use get_loop_body_with_size.
2423         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2424         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2425         the new forwarder block.
2426         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2427         Handle the case latch is NULL.
2428         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2429         when marking loop exits.
2430         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
2431         be modified.
2432         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
2433         disambiguate_loops_with_multiple_latches.
2434         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2435         before fix_loop_structure.
2436         * cfgloop.c: Include pointer-set.h and output.h.
2437         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2438         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2439         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2440         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2441         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2442         disambiguate_multiple_latches, get_loop_body_with_size,
2443         disambiguate_loops_with_multiple_latches): New functions.
2444         (flow_loop_dump): Dump multiple latch edges.
2445         (flow_loop_nodes_find): Handle loops with multiple latches.
2446         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2447         (glb_enum_p): Modified.
2448         (get_loop_body): Use get_loop_body_with_size.
2449         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2450         (AVOID_CFG_MODIFICATIONS): New constant.
2451         (disambiguate_loops_with_multiple_latches, add_loop,
2452         get_loop_body_with_size): Declare.
2453         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2455 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
2457         PR inline-asm/28686
2458         * global.c (compute_regsets): New function.
2459         (global_alloc): Refactored ELIMINABLE_REGSET
2460         and NO_GLOBAL_ALLOC_REGS computation out.
2461         (rest_of_handle_global_alloc): Call compute_regsets()
2462         for non-optimizing case.
2464 2007-02-06  Richard Henderson  <rth@redhat.com>
2466         * config/i386/constraints.md (Y2): Rename from Y.
2467         (Yi): New constraint.
2468         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2469         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2470         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2471         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2472         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2473         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2474         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2475         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2476         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2477         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2478         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2479         vec_extractv2si_1): Change Y constraints to Y2.
2480         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2481         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2482         Change Y constraints to Y2.
2483         (sse2_loadld): Change Y constraints to x.
2485 2007-02-06  Roger Sayle  <roger@eyesopen.com>
2487         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2488         (parity<mode>2): New define_expand using rs6000_emit_parity.
2489         * config/rs6000/rs6000.c (rs6000_emit_popcount,
2490         rs6000_emit_parity): New functions.
2491         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2492         rs6000_emit_parity): Prototype here.
2494 2007-02-06  Ian Lance Taylor  <iant@google.com>
2496         * lower-subreg.c (simple_move_operand): Reject CONST.
2497         (resolve_clobber): Call validate_change rather than directly
2498         assigning to XEXP (pat, 0).
2500 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2502         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2503         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2504         (tree-cfg.o): Remove hashtab.h dependency.
2506         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2507         (struct ivopts_data): Change niters to pointer_map_t.
2508         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2509         (niter_for_exit): Create pointer_map on demand.  Change for
2510         pointer_map API.
2511         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2512         (free_loop_data): Destroy data->niters if created and reset field.
2513         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2514         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2516         * tree-ssa-reassoc.c: Include pointer-set.h.
2517         (bb_rank): Change to long *.
2518         (operand_rank): Change to pointer_map_t.
2519         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2520         (insert_operand_rank): Accept long.
2521         (operand_entry_hash, operand_entry_eq): Remove.
2522         (get_rank): Return long.  Adjust for changes above.
2523         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2524         and operand_rank.
2525         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2527         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2528         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2529         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2530         is not NULL.
2531         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2532         directly since it cannot be NULL.
2533         (get_vi_for_tree): Rewrite for pointer_map API.
2534         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2535         (init_alias_vars): Create vi_for_tree as pointer_map.
2536         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2538         * tree-cfg.c: Don't include hashtab.h.
2539         (edge_to_cases): Declare as pointer_map.
2540         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2541         Delete.
2542         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2543         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2544         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2545         destroying it.
2546         (record_switch_edge): Delete.
2547         (get_cases_for_edge): Adjust for pointer_map API, inline
2548         record_switch_edge (rewritten for new API), remove goto.
2550 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2552         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2553         * tree-nested.c: Include pointer-set.h.
2554         (var_map_elt, var_map_eq, var_map_hash): Delete.
2555         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2556         to pointer_map_t's.
2557         (nesting_info_bitmap_obstack): New.
2558         (lookup_field_for_decl): Adjust for pointer_map API.
2559         (lookup_tramp_for_decl): Adjust for pointer_map API.
2560         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2561         (get_local_debug_decl): Adjust for pointer_map API.
2562         (convert_nl_goto_reference): Adjust for pointer_map API.
2563         (convert_nl_goto_receiver): Adjust for pointer_map API.
2564         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2565         the new obstack.  Create field_map and var_map as pointer_maps.
2566         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2567         (root): Delete.
2568         (lower_nested_functions): Move root here, no need to NULL it.
2569         Initialize and release the obstack.
2571 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2573         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2574         Remove prototypes and make them non-static.
2575         (struct tree_int_map): Remove.
2576         * tree.h (struct tree_int_map): Move here, turning TO into an
2577         unsigned int.
2578         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2580         * tree.h (TREE_COMPLEXITY): Remove.
2581         (struct tree_exp): Remove complexity field.
2582         * tree.c (build1_stat): Don't set it.
2584 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2585             Victor Kaplansky  <victork@il.ibm.com>
2587         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2588         (vect_is_simple_reduction): Support reduction with induction as
2589         one of the operands.
2590         (vect_is_simple_iv_evolution): Fix formatting.
2591         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2592         formatting.  Don't mark induction phis for vectorization.
2593         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2594         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2595         (vect_get_vec_def_for_operand): Support induction.
2596         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2597         induction case.
2598         (vectorizable_reduction): Support reduction with induction as one of
2599         the operands.
2600         (vectorizable_type_demotion): Use def-type of stmt argument rather
2601         than dummy def-type.
2603         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2604         flag_tree_scev_cprop.
2605         * common.opt (tree-scev-cprop): New flag.
2607         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2608         call to vect_get_new_vect_var.
2610 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2612         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2613         vectype is not NULL.
2614         (vect_pattern_recog_1): Likewise.
2616 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2618         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2619         (fold_negate_expr): Likewise.
2621 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2623         PR debug/30189
2624         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2625         even if cv-qualification is the same.
2627 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2629         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2630         __enable_execute_stack on completion.
2632 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2634         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2635         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2636         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2637         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2638         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2639         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2640         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2641         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2643 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2645         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2646         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2647         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2648         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2649         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2650         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2651         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2652         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2653         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2654         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2655         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2656         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2657         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2658         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2659         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2660         sqrtextenddfxf2_i387): Added amdfam10_decode.
2662         * config/i386/athlon.md (athlon_idirect_amdfam10,
2663         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2664         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2665         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2666         athlon_ivector_store_amdfam10): New define_insn_reservation.
2667         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2668         amdfam10.
2670 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2672         * config/i386/athlon.md (athlon_call_amdfam10,
2673         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2674         define_insn_reservation.
2675         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2676         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2677         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2679 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2681         * config/i386/athlon.md (athlon_sseld_amdfam10,
2682         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2683         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2685 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2687         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2688         define_insn_reservation.
2689         * config/i386/i386.md (sseins): Added sseins to define_attr type
2690         and define_attr unit.
2691         * config/i386/sse.md: Set type attribute to sseins for insertq
2692         and insertqi.
2694 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2696         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2697         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2698         ssecomi_load_amdfam10, ssecomi_amdfam10,
2699         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2700         define_insn_reservation.
2701         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2703 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2705         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2706         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2707         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2708         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2709         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2710         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2711         define_insn_reservation.
2713         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2714         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2715         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2716         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2717         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2719 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2721         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2722         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2723         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2724         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2725         athlon_ssemul_load_k8): Added amdfam10.
2727 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2729         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2730         (x86_sse_unaligned_move_optimal): New variable.
2732         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2733         m_AMDFAM10.
2734         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2735         for unaligned vector SSE double/single precision loads for AMDFAM10.
2737 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2739         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2740         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2741         Define TARGET_CPU_DEFAULT_amdfam10.
2742         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2743         (processor_type): Add PROCESSOR_AMDFAM10.
2745         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2746         processor_type in config/i386/i386.h.
2747         Enable imul peepholes for TARGET_AMDFAM10.
2749         * config.gcc: Add support for --with-cpu option for amdfam10.
2751         * config/i386/i386.c (amdfam10_cost): New variable.
2752         (m_AMDFAM10): New macro.
2753         (m_ATHLON_K8_AMDFAM10): New macro.
2754         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2755         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2756         x86_promote_QImode, x86_integer_DFmode_moves,
2757         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2758         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2759         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2760         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2761         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2762         Enable/disable for amdfam10.
2763         (override_options): Add amdfam10_cost to processor_target_table.
2764         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2765         processor_alias_table.
2766         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2767         (ix86_adjust_cost): Add code for amdfam10.
2769 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2771         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2772         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2773         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2774         * config/i386/i386.h: Add builtin definition for SSE4A.
2775         * config/i386/i386.md: Add support for ABM instructions
2776         (popcnt and lzcnt).
2777         * config/i386/sse.md: Add support for SSE4A instructions
2778         (movntss, movntsd, extrq, insertq).
2779         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2780         Add -march=amdfam10 flag.
2781         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2782         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2783         and amdfam10.
2784         * doc/extend.texi: Add documentation for SSE4A builtins.
2786 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2788         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2790 2007-02-05  Richard Guenther  <rguenther@suse.de>
2792         * tree-vectorizer.h (vectorizable_function): Add argument type
2793         argument, change return type.
2794         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2795         * tree-vect-transform.c (vectorizable_function): Handle extra
2796         argument, return vectorized function decl.
2797         (build_vectorized_function_call): Remove.
2798         (vectorizable_call): Handle calls with result and argument types
2799         differing.  Handle loop vectorization factor correctly.
2800         * targhooks.c (default_builtin_vectorized_function): Adjust for
2801         extra argument.
2802         * targhooks.h (default_builtin_vectorized_function): Likewise.
2803         * target.h (builtin_vectorized_function): Add argument type
2804         argument.
2805         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2806         extra argument, allow vectorizing of lrintf.
2807         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2808         documentation of target hook.
2810 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2812         PR target/30665
2813         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2814         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2815         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2817 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2819         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2820         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2821         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2822         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2823         before canonicalizing sincos to cexpi.
2824         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2826 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2828         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2829         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2830         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2832 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2834         * mips-tfile.c (initialize_init_file): Correct endianness test.
2836 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2838         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2839         the 'y' constraint.
2841 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2843         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2844         saves in a PARALLEL before the register assignments.
2846 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2848         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2849         DWARF_FRAME_RETURN_COLUMN to be a general register.
2850         * dwarf2out.c (init_return_column_size): New function, split from...
2851         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2852         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2853         to be nongeneral registers.
2854         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2855         integer registers.
2856         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2857         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2859 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2861         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2863 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2865         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2866         (remove_path): Use can_remove_branch_p and remove_branch instead
2867         of loop_delete_branch_edge.
2868         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2869         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2870         Update profile using scale_dominated_blocks_in_loop.
2871         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2872         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2873         (can_remove_branch_p, remove_branch): Declare.
2874         * tree-cfg.c (tree_can_remove_branch_p): New function.
2875         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2876         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2877         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2879 2007-02-05  Jan Hubicka  <jh@suse.cz>
2881         PR middle-end/30696
2882         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2883         nodes in cgraph, don't remove offline copy of the function.
2885 2007-02-04  Jan Hubicka  <jh@suse.cz>
2887         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2888         vectors might cause maybe_lookup_element_for_expr to be called
2889         on non-sra-candidate.
2891 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2893         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2894         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2895         spelling conventions.
2897 2007-02-04  Richard Guenther  <rguenther@suse.de>
2899         PR middle-end/30636
2900         * fold-const.c (try_move_mult_to_index): Make sure to not
2901         overflow one dimension of a multi-dimensional array access.
2903 2007-02-04  Jan Hubicka  <jh@suse.cz>
2905         * passes.c (init_optimization_passes): Reindent.
2907 2007-02-04  Jan Hubicka  <jh@suse.cz>
2908             Eric Botcazou  <ebotcazou@adacore.com>
2910         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2911         (execute_fixup_cfg): Break out the abnormal goto code.
2912         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2913         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2914         (optimize_inline_calls): Call make_nonlocal_label_edges.
2916 2007-02-04  Jan Hubicka  <jh@suse.cz>
2918         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2919         true when something was changed.
2920         (rename_ssa_copies): When something was changed, do
2921         TODO_remove_unused_locals.
2922         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2923         add TODO_remove_unused_locals when instruction was removed.
2925 2007-02-04  Jan Hubicka  <jh@suse.cz>
2927         * ipa-inline.c (try_inline): Improve debug output; work on already
2928         inline edges too.
2929         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2930         call try_inline for already inlined edges too when flattening;
2931         inline also functions that make callee growth but overall unit size
2932         reduce.
2934 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2936         * config/m32c/bitops.md, config/m32c/jump.md,
2937         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2938         config/m32r/m32r.h, config/m32r/m32r.md,
2939         config/m32r/predicates.md, config/m68hc11/larith.asm,
2940         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2941         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2942         config/mips/mips-protos.h, config/mips/mips.c,
2943         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2944         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2945         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2946         spelling conventions.
2948         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2949         Follow spelling conventions.
2951 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2953         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2954         warn about C++0x compatibility.
2956 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2958         * config/h8300/h8300.c, config/h8300/h8300.h,
2959         config/h8300/h8300.md: Follow spelling conventions.
2961 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2963         PR middle-end/30667
2964         * combine.c (try_combine): Do not substitute source operand
2965         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2967 2007-02-03  Jan Hubicka  <jh@suse.cz>
2969         PR gcov-profile/30650
2970         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2971         do not divide by zero for never executed counters.
2972         (tree_find_values_to_profile): Fix counters.
2973         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2975 2007-02-03  Ian Lance Taylor  <iant@google.com>
2977         * lower-subreg.c (simple_move_operand): New static function,
2978         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2979         operands.
2980         (simple_move): Call simple_move_operand.
2981         (find_decomposable_subregs): Add special handling of MEMs.
2982         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2983         meaning of return value.  If we see a hard register, test whether
2984         it can store a word_mode value.  Change all callers.
2986 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2988         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2989         ftrapv insns and expanders.
2990         (subdi3): Change define_expand operand 1 to arith11_operand, and
2991         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2992         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2993         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2994         respectively.
2996         PR middle-end/30174
2997         * varasm.c (notice_global_symbol): Treat global objects as weak when
2998         flag_shlib is true.
3000 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3002         * emit-rtl.c (dconstpi): Delete.
3003         (dconstsqrt2): New.
3004         (init_emit_once): Delete dconstpi and init dconstsqrt2.
3005         * real.h (dconstpi): Delete.
3006         (dconstsqrt2): New.
3007         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
3008         (fold_builtin_hypot): Likewise.
3010 2007-02-03  Tom Tromey  <tromey@redhat.com>
3012         PR driver/30246
3013         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
3014         -gcoff3, -gxcoff3, -gvms3 implies -dD.
3016 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
3018         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
3019         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
3020         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
3021         config/rs6000/cell.md, config/rs6000/darwin.h,
3022         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
3023         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
3024         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
3025         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
3026         typos.  Follow spelling conventions.
3027         * doc/invoke.texi: Follow spelling conventions.
3029 2007-02-03  Roger Sayle  <roger@eyesopen.com>
3031         * simplify-rtx.c (simplify_relational_operation_1): Implement some
3032         canonicalization transformations that attempt to simplify integer
3033         constant comparisons to become comparisons against zero.
3035 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3037         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
3038         fabs(x)*sqrt(2).
3039         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
3040         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
3042 2007-02-02  Mike Stump  <mrs@apple.com>
3044         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
3045         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
3046         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
3047         generate a branch island.
3049 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
3051         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
3052         (xtensa_legitimate_address_p): New.
3053         (xtensa_legitimize_address): New.
3054         (xtensa_output_addr_const_extra): New.
3055         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
3056         (BASE_REG_P): New.
3057         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
3058         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
3059         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
3060         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
3061         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
3062         (xtensa_legitimize_address): New.
3063         (xtensa_output_addr_const_extra): New.
3065 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
3067         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
3069 2007-02-02  Ian Lance Taylor  <iant@google.com>
3071         * expmed.c (expand_divmod): Add comment.
3073 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
3075         * emit-rtl.c (renumber_insns): Remove.
3076         * flags.h: Remove the extern for flag_renumber_insns.
3077         * rtl.h: Remove the prototype for renumber_insns.
3078         * toplev.c (flag_renumber_insns): Remove.
3080 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
3082         Revert for x86 darwin:
3083         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
3085         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
3086         code before the following patch under TARGET_MACHO.
3087         (ix86_function_value_regno_p): Likewise.
3089 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3091         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
3092         COMPLEX_EXPR.
3094 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3096         PR target/29682
3097         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
3098         general or fp registers.  Add comments.
3099         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
3101 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
3103         * pointer-set.c (insert_aux): Only return insertion slot.
3104         (pointer_set_insert): Adjust.
3105         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
3106         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
3107         pointer_map_traverse): New.
3108         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
3109         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
3110         pointer_map_contains, pointer_map_traverse): Declare.
3112 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
3114         PR middle-end/30473
3115         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
3116         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
3118 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3120         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
3122         (struct _dep): New type.
3123         (dep_t): New typedef.
3124         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
3125         (DEP_STATUS): New access macro.  The macro with the same name was
3126         renamed to DEP_LINK_STATUS.
3127         (dep_init): Declare function
3129         (struct _dep_link): New type.
3130         (dep_link_t): New typedef.
3131         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
3132         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
3133         (DEP_LINK_STATUS): New macro.
3134         (debug_dep_links): New debug function.
3136         (struct _deps_list): New type.
3137         (deps_list_t): New typedef.
3138         (DEPS_LIST_FIRST): New access macro.
3139         (FOR_EACH_DEP_LINK): New cycle macro.
3140         (create_deps_list, free_deps_list, delete_deps_list): Declare
3141         functions.
3142         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
3143         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
3144         (copy_deps_list_change_con): Ditto.
3146         (move_dep_link): Declare function.
3148         (struct _dep_node): New type.
3149         (dep_node_t): New typedef.
3150         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
3152         (struct haifa_insn_data.back_deps): New field to hold backward
3153         dependencies of the insn.
3154         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
3155         to deps_list_t.
3156         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
3157         Change its type to deps_list_t.
3158         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
3159         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
3160         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
3162         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
3164         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
3166         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
3167         all callers.
3168         (dep_cost): Declare.
3170         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
3171         (ds_to_dk, dk_to_ds): New functions.
3173         (init_dep_1): New static function.
3174         (init_dep): New function.
3175         (copy_dep): New static function.
3177         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
3178         functions.
3179         (detach_dep_link): New static function.
3180         (move_dep_link): New function.
3182         (dep_links_consistent_p, dump_dep_links): New static functions.
3183         (debug_dep_links): New debugging function.
3185         (deps_obstack, dl_obstack, dn_obstack): New static variables.
3187         (alloc_deps_list, init_deps_list): New static functions.
3188         (create_deps_list): New function.
3189         (clear_deps_list): New static function.
3190         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
3191         (deps_list_consistent_p, dump_deps_list): New static functions.
3192         (debug_deps_list): New function.
3193         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
3194         functions.
3195         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
3197         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
3198         use new scheduler dependencies lists.
3199         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
3200         (sched_analyze): Ditto.  Initialize dependencies lists.
3201         (add_forw_dep, compute_forward_dependences): Update to use new
3202         scheduler dependencies lists.
3204         (init_dependency_caches): Init deps_obstack.
3205         (free_dependency_caches): Free deps_obstack.
3207         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
3208         new scheduler dependencies lists.
3209         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
3210         (add_back_forw_dep, delete_back_forw_dep): Ditto.
3212         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
3213         Update to use new scheduler dependencies lists.
3214         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
3215         (debug_dependencies): Ditto.
3216         (schedule_region): Update comments.
3218         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
3219         scheduler dependencies lists.
3220         (schedule_ebb): Update comments.
3222         * rtl.def (DEPS_LIST): Remove.
3224         * lists.c (unused_deps_list): Remove.
3225         (free_list): Update assertions.
3227         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
3228         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3230         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
3231         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3233         * haifa-sched.c (comments): Update.
3234         (insn_cost1): Remove.  Inline the code into insn_cost ().
3235         (insn_cost): Update to use new scheduler dependencies lists.  Move
3236         processing of the dependency cost to dep_cost ().
3237         (dep_cost): New function.  Use it instead of insn_cost () when
3238         evaluating cost of the dependency.  Use compatible interface to
3239         interact with the target.
3240         (priority): Update to use new scheduler dependencies lists.
3241         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
3242         with greater number of insns that depend on the insn.
3243         (schedule_insn): Update to use new scheduler dependencies lists.  Add
3244         code to free backward dependencies lists.  Inline and optimize code
3245         from resolve_dep () - see PR28071.
3246         (ok_for_early_queue_removal): Update to use new scheduler dependencies
3247         lists.  Update call to targetm.sched.is_costly_dependence hook.
3249         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
3250         scheduler dependencies lists.
3252         (resolve_dep): Remove.  Move the logic to schedule_insn ().
3253         (init_h_i_d): Initialize dependencies lists.
3255         (process_insn_depend_be_in_spec): Rename to
3256         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
3257         dependencies lists.
3258         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
3259         Update to use new scheduler dependencies lists.
3260         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
3262         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
3263         new scheduler dependencies lists.
3264         (build_intra_loop_deps): Ditto.
3266         * target.h (struct _dep): Declare to use in
3267         gcc_target.sched.is_costly_dependence.
3268         (struct gcc_target.sched.adjust_cost): Fix typo.
3269         (struct gcc_target.sched.is_costly_dependence): Change signature to use
3270         single dep_t parameter instead of an equivalent triad.
3271         (struct gcc_target.sched.adjust_cost_2): Remove.
3273         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
3275         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
3277         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
3278         documentation.
3279         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
3281         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
3282         (REG_DEP_TRUE): Document.
3284         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
3285         Change signature to correspond to the targetm.sched.adjust_cost hook.
3286         Update use in TARGET_SCHED_ADJUST_COST_2.
3287         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
3288         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
3289         new scheduler dependencies lists.
3290         (ia64_gen_check): Ditto.
3292         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
3293         dependencies lists.
3295         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
3296         signature to correspond to the targetm.sched.is_costly_dependence hook.
3297         (is_costly_group): Update to use new scheduler dependencies lists.
3299         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
3300         instead of INSN_COST () macro.
3302 2007-02-01  Ian Lance Taylor  <iant@google.com>
3304         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
3306 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
3308         * pa.md (tp_load): Correct mfctl instruction syntax.
3310 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
3312         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
3313         altivec_padding_size calculation on AIX.  Improve comment, add
3314         assert to verify that it's right.
3316         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
3317         64-bit.
3319 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
3321         PR inline-asm/28686
3322         * global.c (global_alloc): Add mising initialization of
3323         ELIMINABLE_REGSET.
3325 2007-02-01  Roger Sayle  <roger@eyesopen.com>
3327         * alias.c (init_alias_analysis): Correct whitespace.
3328         * bb-reorder.c (fix_edges_for_rarely_executed_code,
3329         partition_hot_cold_basic_blocks): Likewise.
3330         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3331         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
3332         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3333         fold_builtin_snprintf_chk, fold_builtin_printf,
3334         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
3335         do_mpfr_arg3, do_mpfr_sincos): Likewise.
3336         * cfgcleanup.c (cleanup_cfg): Likewise.
3337         * cfgexpand.c (tree_expand_cfg): Likewise.
3338         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
3339         * function.c (get_next_funcdef_no): Likewise.
3340         * gengtype.c (main): Likewise.
3341         * genmodes.c (main): Likewise.
3342         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3343         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3344         * ifcvt.c (noce_emit_move_insn): Likewise.
3345         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
3346         Likewise.
3347         * stor-layout.c (get_best_mode): Likewise.
3348         * tree-ssa-loop-niter.c (get_val_for): Likewise.
3349         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3350         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3351         perform_var_substitution, solve_graph): Likewise.
3352         * tree-vrp.c (vrp_finalize): Likewise.
3354 2007-02-01  Ian Lance Taylor  <iant@google.com>
3356         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3357         high part of a paradoxical subreg, return a constant zero.
3359 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
3361         * toplev.c (lang_dependent_init): Call init_set_costs.
3362         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3364 2007-02-01  Richard Guenther  <rguenther@suse.de>
3366         PR middle-end/30656
3367         * fold-const.c (fold_negate_expr): Allow negating a
3368         constant if overflow does not change.
3370 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3372         * doc/c-tree.texi (Expression trees): Improve markup.
3373         * doc/tm.texi (Register Classes, Addressing Modes)
3374         (Floating Point): Fix spacing after abbreviations.  Fix some
3375         typos.
3377 2007-02-01  Ben Elliston  <bje@au.ibm.com>
3379         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3380         * doc/contrib.texi: Likewise.
3381         * doc/install.texi: Likewise.
3383 2007-01-31  Richard Henderson  <rth@redhat.com>
3384             Ian Lance Taylor  <iant@google.com>
3386         * lower-subreg.c: New file.
3387         * rtl.def (CONCATN): Define.
3388         * passes.c (init_optimization_passes): Add pass_lower_subreg and
3389         pass_lower_subreg2.
3390         * emit-rtl.c (update_reg_offset): New static function, broken out
3391         of gen_rtx_REG_offset.
3392         (gen_rtx_REG_offset): Call update_reg_offset.
3393         (gen_reg_rtx_offset): New function.
3394         * regclass.c: Revert patch of 2006-03-05, restoring
3395         reg_scan_update.
3396         (clear_reg_info_regno): New function.
3397         * dwarf2out.c (concatn_loc_descriptor): New static function.
3398         (loc_descriptor): Handle CONCATN.
3399         * common.opt (fsplit_wide_types): New option.
3400         * opts.c (decode_options): Set flag_split_wide_types when
3401         optimizing.
3402         * timevar.def (TV_LOWER_SUBREG): Define.
3403         * rtl.h (gen_reg_rtx_offset): Declare.
3404         (reg_scan_update): Declare.
3405         * regs.h (clear_reg_info_regno): Declare.
3406         * tree-pass.h (pass_lower_subreg): Declare.
3407         (pass_lower_subreg2): Declare.
3408         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3409         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
3410         -fsplit-wide-types.
3411         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3412         * Makefile.in (OBJS-common): Add lower-subreg.o.
3413         (lower-subreg.o): New target.
3415 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3417         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3419 2007-01-31  Anatoly Sokolov <aesok@post.ru>
3421         PR target/19087
3422         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3424 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3426         PR middle-end/29335
3427         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3429 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
3431         * cfgloop.h: Include vec-prim.h.
3432         (enum li_flags): Remove LI_ONLY_OLD.
3433         (loop_iterator): Changed.
3434         (fel_next, fel_init): Iterate over loop tree.
3435         (FOR_EACH_LOOP_BREAK): New macro.
3436         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3437         FOR_EACH_LOOP.
3438         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3439         * modulo-sched.c (sms_schedule): Ditto.
3440         * tree-vectorizer.c (vectorize_loops): Ditto.
3441         * doc/loop.texi: Update information on loop numbering and behavior of
3442         FOR_EACH_LOOP wrto new loops.
3443         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3444         add_to_evolution_1): Test nestedness of loops instead of comparing
3445         their numbers.
3446         * tree-chrec.c (chrec_fold_plus_poly_poly,
3447         chrec_fold_multiply_poly_poly, chrec_evaluate,
3448         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3449         reset_evolution_in_loop): Ditto.
3450         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3452 2007-01-31  Dirk Mueller  <dmueller@suse.de>
3454         * c-common.c (warn_about_parentheses): Separate warning about
3455         un-parenthized sequence of comparison operators from the one
3456         which is supposed to warn about x <= y <= z.
3458 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
3460         * optabs.h (enum optab_index): Add new OTI_isinf.
3461         (isinf_optab): Define corresponding macro.
3462         * optabs.c (init_optabs): Initialize isinf_optab.
3463         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3464         patterns.
3465         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3466         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3467         using isinf_optab.
3468         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3469         expand_builtin_interclass_mathfn.
3470         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3471         * config/i386/i386.md (UNSPEC_FXAM): New constant.
3472         (fxam<mode>2_i387): New insn pattern.
3473         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3474         built-in functions as x87 inline asm.
3476 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3478         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3480 2007-01-30  Eric Christopher  <echristo@apple.com>
3482         * config.gcc: Add geode.
3484 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3486         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3487         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3488         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3489         value-prof.c: Fix comment typos.
3491 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3493         PR c++/24745
3494         * doc/invoke.texi (Wpointer-arith): Document warning.
3496 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
3498         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3499         the list of discrepancies from the draft TR.
3501 2007-01-30  Dirk Mueller  <dmueller@suse.de>
3503         PR c++/30601
3504         * doc/invoke.texi (-Wreturn-type): Update description to
3505         match new behavior.
3507 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
3509         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3511 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
3513         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3514         to handle optabs that operate on floating point input argument and
3515         output to integer output.
3516         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3517         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3518         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3519         expand_builtin_interclass_mathfn ().
3520         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3521         (ilogbsi2): Remove.
3522         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3523         ilogbl built-in functions as x87 intrinsics.
3525 2007-01-30  Richard Guenther  <rguenther@suse.de>
3527         PR middle-end/27657
3528         * dwarf2out.c (reference_to_unused): Query varpool if the
3529         variable was output.
3531 2007-01-30  Richard Guenther  <rguenther@suse.de>
3533         PR middle-end/30313
3534         * passes.c (execute_one_pass): Reset in_gimple_form to not
3535         confuse non-unit-at-a-time mode.
3537 2007-01-29  Roger Sayle  <roger@eyesopen.com>
3538             Richard Guenther  <rguenther@suse.de>
3540         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3541         avoid undefined behaviour on overflow.  Use force_fit_type_double
3542         to construct the constant with the specified TREE_OVERFLOW.
3544 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3546         * config/dfp-bit.c: Add parameterized support for fp exceptions.
3547         * config/dfp-bit.h: Ditto.
3549 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3551         * c-decl.c (pop_scope): Replace warnings with call to
3552         warn_for_unused_label.
3553         * c-common.h (warn_for_unused_label): Declare.
3554         * c-common.c (warn_for_unused_label): Define.
3556 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3558         * tree-optimize.c (update_inlined_to_pointers): Delete unused
3559         function.
3561 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3563         * Makefile.in (USER_H): Remove decfloat.h.
3564         * ginclude/decfloat.h: Delete, moving contents to ...
3565         * ginclude/float.h: Add support for decimal floating point,
3566         guarded by __STDC_WANT_DEC_FP__.
3568 2007-01-29  Mike Stump  <mrs@apple.com>
3570         * doc/gccint.texi (Top): Rename Loop Representation to Loop
3571         Analysis and Representation to resolve case insensitive conflict.
3572         * doc/loop.texi (Loop Analysis and Representation): Likewise.
3574 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
3576         * tree.h (struct tree_memory_tag): Add aliases member.
3577         (MTAG_ALIASES): New macro.
3578         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3579         (add_may_alias): Remove pointer-set. Update for may_aliases being
3580         a bitmap.
3581         (mark_aliases_call_clobbered): Update for may_aliases being a
3582         bitmap.
3583         (compute_tag_properties): Ditto.
3584         (create_partition_for): Ditto.
3585         (compute_memory_partitions): Ditto.
3586         (dump_may_aliases_for): Ditto.
3587         (is_aliased_with): Ditto.
3588         (add_may_alias_for_new_tag): Ditto.
3589         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3590         (compute_is_aliased): New function.
3591         (compute_may_aliases): Call compute_is_aliased).
3592         (init_alias_info): Initialize alias_bitmap_obstack.
3593         (union_alias_set_into): New function.
3594         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3595         (have_common_aliases_p): Rewrite to take two bitmaps and use
3596         intersection.
3597         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3598         Update for bitmaps.
3599         (finalize_ref_all_pointers): Update for add_may_alias changes.
3600         (new_type_alias): Ditto.
3601         * tree-flow-inline.h (may_aliases): Return a bitmap.
3602         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3603         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3604         may_aliases being a bitmap.
3605         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3606         may_aliases now returns a bitmap.
3607         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3608         being a bitmap.
3609         * tree-ssa-operands.c (add_virtual_operand): Update for
3610         may_aliases being a bitmap.
3612 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3614         PR tree-optimization/30630
3615         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3616         variable as changed.
3618 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3620         PR c++/28266
3621         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3622         expanded only once even if an error occurs.
3624 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3626         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3627         (__gcov_average_profiler): Likewise.
3628         (__gcov_ior_profiler): Likewise.
3629         (__gcov_merge_ior): Likewise.
3631 2007-01-28  Jan Hubicka  <jh@suse.cz>
3633         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3634         * value-prof.c (stringop_block_profile): Likewise.
3636 2007-01-28  Jan Hubicka  <jh@suse.cz>
3638         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3639         variant handling histograms; add wrapper.
3640         (clear_storage_via_libcall): Export.
3641         (emit_block_move_hints): Break out from ...; add histograms.
3642         (emit_block_move): ... this one.
3643         (clear_storage_hints): Break out from ...; add histograms.
3644         (clear_storage): ... this one.
3645         (set_storage_via_memset): Handle histogram.
3646         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3647         (clear_storage_hints, clear_storage_via_libcall): Declare.
3648         (set_storage_via_setmem): Update prototype.
3649         * doc/md.texi (movmem, setmem): Document new arguments.
3651         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3652         new histograms.
3653         (stringop_block_profile): New global function.
3654         (tree_stringops_values_to_profile): Profile block size and alignment.
3655         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3656         HIST_TYPE_IOR.
3657         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3658         (stringop_block_profile): Declare.
3659         * builtins.c: Include value-prof.h.
3660         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3661         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3662         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3663         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3664         * profile.c (instrument_values): Add new counters.
3665         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3666         calls.
3667         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3668         (tree_init_edge_profiler): Build new profilers.
3669         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3670         (pass_tree_profile): Add dump.
3671         (tree_profile_hooks): Update.
3672         * Makefile.in (LIBGCOV): Add new constants.
3673         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3674         __gcov_ior_profiler): New.
3675         * i386.md (movmem/setmem expanders): Add new optional arguments.
3677 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3679         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3681 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3683         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3684         (tree_unswitch_single_loop): Pass eni_size_weights to
3685         tree_num_loop_insns.
3686         * tree-ssa-loop-manip.c: Include tree-inline.h.
3687         (can_unroll_loop_p): Pass eni_size_weights to
3688         tree_num_loop_insns.
3689         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3690         Pass eni_size_weights to estimate_num_insns.
3691         * tree.h (init_inline_once): Export.
3692         * toplev.c (backend_init): Call init_inline_once.
3693         * cgraphunit.c (cgraph_process_new_functions,
3694         cgraph_analyze_function): Pass eni_inlining_weights to
3695         estimate_num_insns.
3696         * ipa-inline.c (compute_inline_parameters): Ditto.
3697         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3698         to estimate_num_insns.
3699         (try_unroll_loop_completely): Pass eni_size_weights to
3700         tree_num_loop_insns.
3701         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3702         ot estimate_num_insns.
3703         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3704         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3705         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3706         eni_time_weights): New variables.
3707         (init_inline_once): Initialize them.
3708         (struct eni_data): Mew.
3709         (estimate_num_insns_1, estimate_num_insns): Use weights.
3710         * tree-inline.h (struct eni_weights_d): New.
3711         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3712         (estimate_num_insns): Declaration changed.
3713         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3714         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3715         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3717 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3719         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3720         relations in the conflict function is valid.
3722 2007-01-27  Ian Lance Taylor  <iant@google.com>
3724         * common.opt: Add fstrict-overflow.
3725         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3726         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3727         (TYPE_OVERFLOW_UNDEFINED): Define.
3728         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3729         Replace all uses.
3730         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3731         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3732         (fold_negate_expr): Likewise.
3733         (make_range): Likewise.
3734         (extract_muldiv_1): Likewise.
3735         (maybe_canonicalize_comparison): Likewise.
3736         (fold_comparison): Likewise.
3737         (fold_binary): Likewise.
3738         (tree_expr_nonnegative_p): Likewise.
3739         (tree_expr_nonzero_p): Likewise.
3740         * tree-vrp.c (compare_values): Likewise.
3741         (extract_range_from_binary_expr): Likewise.
3742         (extract_range_from_unary_expr): Likewise.
3743         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3744         Likewise.
3745         (nowrap_type_p): Likewise.
3746         * tree-scalar-evolution.c (simple_iv): Likewise.
3747         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3748         (build_range_check): Likewise.
3749         (extract_muldiv_1): Likewise.
3750         (fold_comparison): Likewise.
3751         * tree-vrp.c (vrp_int_const_binop): Likewise.
3752         (extract_range_from_unary_expr): Likewise.
3753         * convert.c (convert_to_integer): Likewise.
3754         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3755         (fold_comparison): Likewise.
3756         (fold_binary): Likewise.
3757         * optabs.c (optab_for_tree_code): Likewise.
3758         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3759         * simplify-rtx.c (simplify_const_relational_operation): Check
3760         flag_strict_overflow and flag_trapv.
3761         (simplify_const_relational_operation): Likewise.
3762         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3763         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
3764         -fstrict-overflow.
3766 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3768         * tree.c (tree_fold_gcd): Delete.
3769         * tree.h (tree_fold_gcd): Remove prototype.
3770         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3771         test whether one constant integer is a multiple of another.  Instead
3772         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3773         * fold-const.c (multiple_of_p):  We've determined both TOP and
3774         BOTTOM are integer constants so we can call int_const_binop directly
3775         instead of the more generic const_binop.
3777 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3779         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3780         1*X check that the constant hasn't overflowed, to preserve the
3781         TREE_OVERFLOW bit.
3782         (round_up): Provide an efficient implementation when rouding-up an
3783         INTEGER_CST to a power-of-two.
3785 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3787         * doc/sourcebuild.texi: Add comma for clarity.
3788         * doc/extend.texi: Fix some typos.
3789         * doc/passes.texi: Likewise.
3790         * doc/cppinternals.texi: Likewise.
3791         * doc/c-tree.texi: Likewise.
3792         * doc/tree-ssa.texi: Likewise.
3793         * doc/install.texi: Likewise.
3795 2007-01-27  Jan Hubicka  <jh@suse.cz>
3797         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3798         (pass_sra): Do not require alias information.
3799         * passes.c (init_optimization_passes): Add SRA
3801 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3803         * tracer.c (rest_of_handle_tracer): We already cleaned
3804         up the CFG in tracer() so don't do it here again.
3805         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3806         cleanup_cfg here, either.  And don't call renumber_insns.
3808         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3809         and BB_HEAD are in the insn stream here.  Instead make sure
3810         that BB_INSN is valid on all insns.  Also, do check here that
3811         there are no pending branch predictions...
3812         (rtl_verify_flow_info): ...instead of doing it here.  Checks
3813         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3814         here.
3816 2007-01-26  Roger Sayle  <roger@eyesopen.com>
3818         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3819         function to simplify/factorize operand order canonicalization.
3820         (ix86_fixup_binary_operands): Reorganize using the above function.
3821         (ix86_binary_operator_ok): Likewise.
3823 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3825         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3826         file scope from optimize_attrs.
3827         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3828         up search.
3829         (optimize_attrs): Clear insn_code_values after freeing it.
3831 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3833         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3834         a parts.base assignment.
3836 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3838         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3839         (compute_subscript_distance, initialize_data_dependence_relation,
3840         finalize_ddr_dependent, analyze_ziv_subscript,
3841         analyze_siv_subscript_cst_affine,
3842         compute_overlap_steps_for_affine_univar,
3843         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3844         analyze_siv_subscript, analyze_miv_subscript,
3845         analyze_overlapping_iterations, subscript_dependence_tester_1,
3846         compute_self_dependence, free_dependence_relation): Work
3847         with affine_fn instead of chrecs.
3848         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3849         common_affine_function, affine_function_base,
3850         affine_function_constant_p, affine_fn_op, affine_fn_plus,
3851         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3852         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3853         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3854         (all_chrecs_equal_p): Removed.
3855         * tree-data-ref.h (affine_fn, conflict_function): New types.
3856         (struct subscript): Change type of conflicting_iterations_in_a
3857         and conflicting_iterations_in_b.
3859 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
3861         PR other/30182
3862         * config/pa/pa.h (TARGET_HPUX_11): New.
3863         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3864         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3866 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
3867         Richard Guenther  <rguenther@suse.de>
3869         * tree-ssa-structalias.c (solve_graph): Handle case
3870         we merged the variable to another.
3872 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3874         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3875         functions.
3877         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3878         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3880 2007-01-25  DJ Delorie  <dj@redhat.com>
3882         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3883         allow changes to modes which don't fit in those registers.
3885         * reload1.c (choose_reload_regs): Check for invalid subregs before
3886         computing their locations, not after.
3888 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
3890         PR 25127
3891         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3892         save Altivec registers in an eh_return function.
3893         (compute_vrsave_mask): Likewise.
3894         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3895         for saving Altivec registers.
3896         (rs6000_emit_prologue): Don't allocate stack twice in
3897         eh_return function.  Correct expected value of altivec_save_offset
3898         when using save_world.  Describe save of R0 to stack when using
3899         save_world.  Describe stack pointer adjustment when using
3900         save_world.  Remove duplicated eh_return parameter register saving.
3901         Update sp_offset variable after save_world.
3902         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3903         darwin-world.asm.
3904         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3905         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3906         implies Altivec.
3908 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3910         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3912 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3914         PR other/30182
3915         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3916         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
3918 2007-01-25  Richard Guenther  <rguenther@suse.de>
3920         * doc/invoke.texi (-Wcoverage-mismatch): Document.
3921         * common.opt (-Wcoverage-mismatch): New warning option.
3922         * coverage.c (get_coverage_counts): Ignore coverage mismatch
3923         if -Wcoverage-mismatch is given.
3925 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
3927         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3928         (ipcp_driver): Change to static definition.
3929         Add dumping of the ifunctions.
3930         (constant_val_insert): Remove unused parameter. Support for SSA.
3931         (ipcp_propagate_const): Support for SSA.
3932         (ipcp_profile_bb_print): Print only analyzed nodes.
3933         (ipcp_replace_map_create): Remove support for Fortran constant
3934         for now.
3935         * ipa-prop.c (ipa_method_modify_stmt,
3936         ipa_callsite_compute_param): Support for SSA.
3937         * ipa-prop.h (ipcp_driver): Remove declaration.
3938         (IS_VALID_TREE_MAP_INDEX): Add define.
3940 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
3942         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3944 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3946         PR middle-end/30447
3947         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3948         constant argument to cabs and do it without checking for
3949         -funsafe-math-optimizations.
3951 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
3953         * c-common.h (RID_FIRST_CXX0X): New.
3954         (RID_LAST_CXX0X): New.
3955         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3956         by -Wall.
3957         * c.opt (Wc++0x-compat): New.
3958         * doc/invoke.texi (-Wc++0x-compat): Document.
3960 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3962         * builtins.c (fold_builtin_carg): New.
3963         (fold_builtin_1): Use it.
3965 2007-01-24  Jan Hubicka  <jh@suse.cz>
3967         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3969         * ipa-inline.c (initial_insns, max_insns): Delete.
3970         (compute_max_insns): New function.
3971         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3972         of insns as base for code growth.
3973         (cgraph_decide_inlining): Make initial_insns local; do not compute
3974         max_insns.
3975         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3976         * doc/invoke.texi (inline-unit-growth): Update docs.
3978 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
3980         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3981         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3982         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3983         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
3984         for CPUs that have PTA_CX16 set.
3986         PR middle-end/27416
3987         * gimplify.c (omp_check_private): New function.
3988         (gimplify_scan_omp_clauses): Use it for
3989         firstprivate/lastprivate/reduction.
3991         PR middle-end/30494
3992         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3993         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3995         PR middle-end/30421
3996         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3997         If lower_lastprivate_clauses emits some statements, append them
3998         to dlist rather than body_p and to body_p append an initializer.
3999         (lower_omp_for): Adjust caller.
4001 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
4003         * target.h (globalize_decl_name): New.
4004         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
4005         * output.h (default_globalize_decl_name): New.
4006         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
4007         globalize_label.
4008         (globalize_decl): Ditto.
4009         (default_globalize_decl_name): New.
4010         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
4011         (ia64_handle_version_id_attribute): New.
4012         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
4013         (ia64_asm_output_external): Use globalize_decl_name instead
4014         of globalize_label.
4015         * doc/extend.texi (version_id): New pragma.
4016         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
4018 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4020         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
4021         _uleb128_t and _Unwind_SWord with _sleb128_t.
4022         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
4023         uw_frame_state_for, uw_update_context_1): Likewise.
4024         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
4025         * unwind-pe.h (read_uleb128, read_sleb128,
4026         read_encoded_value_with_base): Likewise.
4027         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
4029 2007-01-24  Richard Guenther  <rguenther@suse.de>
4031         * builtins.c (expand_builtin_cexpi): Get the fndecl
4032         for cexp in the correct way.
4034 2007-01-24  Jan Hubicka  <jh@suse.cz>
4036         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
4038 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
4040         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
4041         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
4042         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
4043         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
4044         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
4045         __SIZEOF_PTRDIFF_T__.
4046         * doc/cpp.texi: Documentation for the new builtin macros added.
4048 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
4050         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
4051         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
4052         instead of operands[2] to avoid access past the end of array.
4054 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
4056         * reload1.c (emit_reload_insns): Pass the reload register
4057         for a non-spill output reload through forget_old_reloads_1.
4059 2007-01-23  Joseph Myers  <joseph@codesourcery.com>
4061         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4062         _SOFT_DOUBLE if doubles use software floating-point.
4063         * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
4064         double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
4065         * config/rs6000/darwin-ldouble.c: Also compile functions for
4066         hard-float without FPRs.  Use fmsub function for all __NO_FPRS__
4067         cases.  Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
4068         * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
4069         commented-out long double override.
4070         (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
4071         * config/rs6000/eabispe.h: Likewise.
4072         * config/rs6000/rs6000.c (rs6000_override_options): Don't override
4073         long double for non-SPE.
4074         (rs6000_handle_option): Likewise.
4075         (invalid_e500_subreg): Disallow more subregs involding DImode,
4076         DFmode, TImode or TFmode.
4077         (rs6000_legitimate_offset_address_p): Check TFmode offsets for
4078         E500 double.
4079         (legitimate_lo_sum_address_p): Also check for TFmode for E500
4080         double.
4081         (rs6000_legitimize_address): Also handle TFmode for E500 double.
4082         (rs6000_legitimize_reload_address): Also handle TFmode for E500
4083         double.
4084         (rs6000_legitimate_address): Also check for TFmode for E500
4085         double.
4086         (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
4087         (spe_build_register_parallel): Handle TFmode and TCmode.
4088         (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
4089         double.
4090         (function_arg): Handle TFmode and TCmode for E500 double.
4091         (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
4092         in general.
4093         (print_operand): Handle TFmode and TImode for %y.
4094         (rs6000_generate_compare): Handle TFmode comparisons for E500
4095         double.
4096         (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
4097         (rs6000_function_value): Handle TFmode and TCmode for E500 double.
4098         (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
4099         * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
4100         TFmode for E500 double.
4101         * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
4102         (floatsidf2): Enable for E500 double.
4103         (movtf_softfloat): Use rs6000_nonimmediate_operand.
4104         (extenddftf2): Change to extenddftf2_fprs.
4105         (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
4106         depending on TARGET_E500_DOUBLE.
4107         (extendsftf2): Enable for E500 double.
4108         (trunctfdf2): Enable for E500 double.
4109         (trunctfsf2): Change to trunctfsf2_fprs.
4110         (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
4111         depending on TARGET_E500_DOUBLE.
4112         (floatsitf2): Enable for E500 double.
4113         (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
4114         (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
4115         gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
4116         (negtf2): Change to negtf2_internal.
4117         (negtf2): New expander.
4118         (abstf2): Enable for E500 double.  Call gen_spe_abstf2_tst,
4119         gen_spe_abstf2_cmp or gen_abstf2_internal depending on
4120         TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
4121         (movdi_internal32): Use rs6000_nonimmediate_operand.
4122         (unnamed splitter): Likewise.
4123         * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
4124         TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
4125         (SPE64TF, DITI): New mode macros.
4126         (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
4127         modes.
4128         (frob_tf_ti): New.
4129         (frob_<mode>_di_2): New.
4130         (frob_tf_di_8_2): New.
4131         (frob_di_df): Change to frob_di_<mode>; allow more modes.
4132         (frob_ti_tf): New.
4133         (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
4134         more modes.
4135         (frob_ti_<mode>_8_2): New.
4136         (frob_ti_tf_2): New.
4137         (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
4138         mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
4139         TFmode.
4140         (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
4141         mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
4142         (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
4143         spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
4144         spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
4145         (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
4146         tsttflt_gp): New.
4148 2007-01-23  Ian Lance Taylor  <iant@google.com>
4150         * Makefile.in (OBJS-common): Reformat, alphabetize, but put
4151         insn-*.o first.
4152         (OBJS-archive): Reformat, alphabetize.
4153         (OBJS): Change out_object_file to OBJS-md.
4155 2007-01-23  Uros Bizjak  <ubizjak@gmail.com>
4157         * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
4158         JUMP_P and CALL_P predicates where applicable.
4159         * config/i386/i386.c: Ditto.
4160         * config/i386/i386.md: Ditto.
4161         * config/i386/mmx.md: Ditto.
4162         * config/i386/predicates.md: Ditto.
4164 2007-01-22  Andreas Schwab  <schwab@suse.de>
4166         * config/m68k/m68k.h: Fix comment.
4168 2007-01-22  Jan Hubicka  <jh@suse.cz>
4170         * passes.c (init_optimization_passes): Do not rerun
4171         pass_early_warn_uninitialized.
4173 2007-01-22  Richard Guenther  <rguenther@suse.de>
4175         PR tree-optimization/30038
4176         * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
4177         function.
4178         (execute_cse_sincos_1): Likewise.
4179         (execute_cse_sincos): Likewise.
4180         (gate_cse_sincos): Likewise.
4181         (pass_cse_sincos): New pass CSEing sin() and cos() calls using
4182         the cexpi() canonicalization of sincos().
4183         * tree-pass.h (pass_cse_sincos): Declare.
4184         * passes.c (init_optimization_passes): New pass pas_cse_sincos.
4186 2007-01-21  Eric Botcazou  <ebotcazou@libertysurf.fr>
4188         PR rtl-optimization/29329
4189         * combine.c (replaced_rhs_insn): Rename to i2mod.
4190         (replaced_rhs_value): Rename to i2mod_new_rhs.
4191         (i2mod_old_rhs): New global variable.
4192         (combine_instructions): Adjust for above change.  Save a copy of
4193         the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
4194         note are substituted in the second instruction.
4195         (distribute_notes) <REG_DEAD>: Adjust for above change.  Do not
4196         ditch the note if it pertains to the second eliminated register
4197         and this register is mentioned in i2mod_old_rhs.
4199         Revert:
4200         2006-09-12  Eric Botcazou  <ebotcazou@libertysurf.fr>
4202         * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4203         the insn to which the note was originally attached.
4205 2007-01-21  Jan Hubicka  <jh@suse.cz>
4207         * ipa-inline.c (inlining_mode): Comment, move up.
4208         (cgraph_decide_inlining_incrementally): Do not perform inlining
4209         itself; fix handling of flattening of self recursive functions.
4210         (cgraph_find_cycles): Remove.
4211         (cgraph_flatten_node): Remove.
4212         (cgraph_decide_inlining): Use incremental inliner to handle flattening.
4213         (try_inline): New function.
4214         (cgraph_early_inlining): Update call of
4215         cgraph_decide_inlining_incrementally.  Apply inlining here.
4216         (apply_inline): Update call of cgraph_decide_inlining_incrementally.
4218 2007-01-21  Dirk Mueller  <dmueller@suse.de>
4220         PR bootstrap/30511
4221         * tree-vrp.c (check_array_bounds): do not warn
4222         about ADDR_EXPR's of ARRAY_REF's which are immediately
4223         used in binary expressions.
4225 2007-01-21  Ira Rosen  <irar@il.ibm.com>
4227         * tree-vectorizer.h (struct _stmt_vec_info): Add new field
4228         read_write_dep and macros for its access.
4229         * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
4230         * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
4231         argument, call vect_check_interleaving for every independent pair of
4232         data-refs. Mark loads that access the same memory location as a store
4233         in the loop.
4234         (vect_check_dependences): Remove.
4235         (vect_analyze_data_ref_dependences): Remove  vect_check_dependences
4236         call, fix the call to vect_analyze_data_ref_dependence.
4237         (vect_analyze_data_ref_access): For statements that access the same
4238         data-ref, check that they are not stores; for loads, check that there
4239         is no store that access the same location.
4241 2007-01-20  Roger Sayle  <roger@eyesopen.com>
4242             Joseph Myers  <joseph@codesourcery.com>
4244         * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
4245         (-fdump-rtl-stack): Likewise.
4246         (-fno-signed-zeros): Use @minus{} for a minus sign.  Correct typo.
4247         (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
4248         (-mpt-fixed): Use @minus{} for minus sign.
4249         (Using Precompiled Headers): Fix under/overfull hbox.
4251 2007-01-20  Jan Hubicka  <jh@suse.cz>
4253         * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
4254         place within annotation.
4256 2007-01-20  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
4258         * pa.c (output_move_double): Change array size of xoperands to 4.
4260 2007-01-20  Jan Hubicka  <jh@suse.cz>
4262         * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
4263         as temporary.
4265 2007-01-19  Ian Lance Taylor  <iant@google.com>
4267         * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
4268         constant to unsigned HOST_WIDE_INT before negating.
4270 2007-01-19  Ian Lance Taylor  <iant@google.com>
4272         * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
4273         to unsigned.
4274         (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
4275         (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4276         (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
4277         (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
4278         (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4279         (realloc_vdef, realloc_vuse): Change second parameter to
4280         unsigned.
4281         (ssa_operand_iterator_d): Change vuse_index and mayuse_index
4282         fields to unsigned.
4283         * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
4284         unsigned. Change x and lim locals to unsigned.
4285         (realloc_vdef, realloc_vuse): Change num_elem parameter to
4286         unsigned.
4287         (finalize_ssa_vuse_ops): Change old_i local to unsigned.
4288         (copy_virtual_operands): Change i and n locals to unsigned.
4290 2007-01-19  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
4292         PR middle-end/29335
4293         * builtins.c (fold_builtin_1): Handle builtin fdim.
4295 2007-01-20  Jan Hubicka  <jh@suse.cz>
4297         * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
4298         * tree-ssa-structalias.c (compute_points_to_sets): Do call
4299         init_alias_heapvars.
4300         (init_alias_heapvars): Initialize only when not already initialized.
4301         (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
4303 2007-01-19  Roger Sayle  <roger@eyesopen.com>
4305         * common.opt (fsigned-zeros): New command line option.
4306         * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
4307         of flag_unsafe_math_optimizations.
4308         * opts.c (set_fast_math_flags): The -ffast-math command line option
4309         implies -fno-signed-zeros.
4310         (fast_math_flags_set_p): Likewise.
4312         * doc/invoke.texi: Document new -fno-signed-zeros option, and update
4313         the documentation of -ffast-math appropriately.  Wrap long lines.
4315 2007-01-19  Steve Ellcey  <sje@cup.hp.com>
4317         * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
4318         * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
4320 2007-01-19  Tomas Bily  <tbily@suse.cz>
4322         * cgraphunit.c (cgraph_finalize_function): Updating of pid
4323         * tree-profile.c:
4324         (tree_init_ic_make_global_vars): New function
4325         (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
4326         (tree_gen_ic_profiler): New function
4327         (tree_gen_ic_func_profiler): New function
4328         (tree_profiling): Added calling of tree_gen_ic_func_profiler
4329         (tree_profile_hooks): Added hook for indirec/virtual calls
4330         * value-prof.c (tree_find_values_to_profile): New case for
4331         indirect calls
4332         (tree_values_to_profile): Call for determining indirect/virtual
4333         counters
4334         (tree_indirect_call_to_profile): New function
4335         (tree_ic_transform): New function
4336         (tree_ic): New function
4337         (find_func_by_pid): New function
4338         (init_pid_map): New function
4339         (tree_value_profile_transformations): Added check for
4340         indirect/virtual call transformation
4341         * value-prof.h (enum hist_type): New counter type for
4342         indirect/virtual calls
4343         (profile_hooks): Added new hook for profiling indirect/virtual
4344         calls
4345         * profile.c (instrument_values): New case for indirect/virtual
4346         call added
4347         * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
4348         (GCOV_COUNTER_V_INDIR): New counter type
4349         (GCOV_COUNTER_NAMES): New name of counter "indirect" added
4350         (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
4351         call added
4352         * cgraph.c: Definition of cgraph_max_pid
4353         (cgraph_create_node): Default init of pid attribute
4354         * cgraph.h: Declaration of cgraph_max_pid
4355         (struct cgraph_node): Added pid attribute
4356         * libgcov.c (__gcov_indirect_call_profiler): New function
4357         (__gcov_one_value_profiler_body): New function
4358         (__gcov_one_value_profiler): Body was moved to
4359         __gcov_one_value_profiler_body and calls it
4361 2007-01-19  Basile Starynkevitch  <basile@starynkevitch.net>
4363         * doc/gty.texi (Options): Document the mark_hook option to GTY.
4364         * gengtype.c (write_types_data, write_func_for_structure,
4365         write_types, ggc_wtd, pch_wtd): Add skip_hooks to
4366         write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
4367         (walk_type, write_func_for_structure): Generate the mark_hook if
4368         needed.
4370 2007-01-19  Jan Hubicka  <jh@suse.cz>
4372         * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
4373         'early' argument take inlining mode argument specifying whether to
4374         inline for size/speeed or all functions; add support for flattening;
4375         improve dumpting.
4376         (cgraph_early_inlining): Update call of decide_inlining_incrementally.
4378 2007-01-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
4380         PR c++/17947
4381         * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
4382         the name of the declared identifier.
4384 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4386         * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
4387         result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
4388         duplicate evaluation.
4390 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4392         * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
4393         Macroize expander using X87MODEF12 mode macro.  Extend operand 1
4394         to XFMode, use acosxf2 and truncate result to requested mode.
4395         Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4396         (asin<mode>2): Similarly, with asin expanders.
4397         (*fscalexf4_i387): Rename from *fscalexf4.
4398         (expNcorexf3): New expander.
4399         (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
4400         (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
4401         X87MODEF12 mode macro.  Extend operand 1 to XFMode, use expxf2 and
4402         truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
4403         patterns for SSE math.
4404         (exp10<mode>2): Similarly, with exp10 expanders.
4405         (exp2<mode>2): Similarly, with exp2 expanders.
4406         (expm1<mode>2): Similarly, with expm1 expanders.
4407         (ldexp<mode>3): Similarly, with ldexp expanders.
4408         (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
4409         Use gen_truncxf<mode>2_i387_noop to truncate result.
4411 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4413         * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
4414         for ColdFire targets.
4416 2007-01-19  Nathan Sidwell  <nathan@codesourcery.com>
4417             Richard Sandiford  <richard@codesourcery.com>
4419         * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
4420         (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
4421         (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
4422         * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
4423         (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4424         * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4426 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4428         * config/m68k/m68k.md (adddi_dilshr32): Rename to...
4429         (*adddi_dilshr32): ...this.  Fix formatting.  Remove commented-out
4430         non-canonical pattern.  Restrict to !TARGET_COLDFIRE.
4431         (*adddi_dilshr32_cf): New pattern.
4432         (adddi3, subdi3): Remove first alternatives.
4434 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4436         * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
4437         implemented using move.l, do not use its cc result for floating-point
4438         comparisons.
4440 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4442         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
4443         from accepting 's' constraints if flag_pic.
4445 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4447         * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
4448         (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
4449         (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
4450         condition from TARGET_68881 to TARGET_HARD_FLOAT.
4452 2007-01-19  Sandra Loosemore  <sandra@codesourcery.com>
4454         * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
4455         ColdFire alternatives.
4456         * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
4457         * config/m68k/m68k.md (clzsi2):  Define for ColdFire
4458         architectures that support ff1 instruction.
4460 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4461             Julian Brown  <julian@codesourcery.com>
4463         * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
4464         * config/m68k/m68k.md (*movsi_cfv4): Fold into...
4465         (*movsi_cf): ...here.  Remove unnecessary 'R' from 'Rg'.
4466         Add commentary.
4468 2007-01-19  Richard Sandiford  <richard@codesourcery.com>
4470         * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
4471         and return a bool.
4472         (output_move_const_into_data_reg, output_move_simode_const): Delete.
4473         * config/m68k/m68k.c (const_method, const_int_cost): Take a
4474         HOST_WIDE_INT instead of an rtx.
4475         (m68k_rtx_costs): Update call accordingly.
4476         (output_move_const_into_data_reg): Likewise.  Fix formatting.
4477         (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
4478         Return a bool.
4479         (output_move_simode_const): Update calls after above changes.
4480         Rework to use automatic variables and predicates like MEM_P.
4481         * config/m68k/m68k.md (pushexthisi_const): Update call to
4482         valid_mov3q_const.
4484 2007-01-19  Dirk Mueller  <dmueller@suse.de>
4486         * tree-ssa-alias.c (perform_var_substitution): Fix typo
4487         in dump_flags test.
4489 2007-01-19  Richard Guenther  <rguenther@suse.de>
4491         * builtins.c (expand_builtin_cexpi): Fall back to expanding
4492         via cexp in case sincos is not available.
4494 2007-01-19  Richard Guenther  <rguenther@suse.de>
4496         * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
4497         * defaults.h (TARGET_HAS_SINCOS): Default to off.
4498         * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
4499         * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
4500         * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
4501         * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
4502         * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
4503         * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
4505 2007-01-19  Uros Bizjak  <ubizjak@gmail.com>
4507         * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
4508         New insn patterns.
4509         (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
4510         (atan2xf3): Directly generate RTL pattern.
4511         (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
4512         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4513         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4514         disable patterns for SSE math.
4515         (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
4516         patterns using X87MODEF12 mode macro.  Use fpatan_extend<mode>xf3_i387
4517         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4518         disable patterns for SSE math.
4520 2007-01-19  Alexandre Oliva  <aoliva@redhat.com>
4522         * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
4524 2007-01-18  Roger Sayle  <roger@eyesopen.com>
4526         * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
4527         VIEW_CONVERT_EXPR to the same type as it's operand.
4529 2007-01-18  David Edelsohn  <edelsohn@gnu.org>
4531         * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
4532         configured for long double 128.
4534 2007-01-18  Mike Stump  <mrs@apple.com>
4536         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
4537         error.
4539 2007-01-18  Michael Meissner  <michael.meissner@amd.com>
4541         * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
4542         type correct.
4544 2007-01-18  Jan Hubicka  <jh@suse.cz>
4546         * tree-ssa-operands.c (vop_free_bucket_size): Never return value
4547         greater than NUM_VOP_FREE_BUCKETS.
4549 2007-01-18  Daniel Berlin  <dberlin@dberlin.org>
4551         * tree-ssa-structalias.c: Update comments.
4552         (ptabitmap_obstack): Removed.
4553         (pta_obstack): New.
4554         (oldpta_obstack): Ditto.
4555         (stats): Add a few members.
4556         (struct variable_info): Remove node, complex, address_taken, and
4557         indirect_target members. Add oldsolution member.
4558         (new_var_info): Do not initialize removed members.
4559         (constraint_expr_type): Remove INCLUDES.
4560         (constraint_graph): Add size, implicit_preds, rep,
4561         indirect_cycles, eq_rep, label, direct_nodes, and complex members.
4562         (FIRST_REF_NODE): New macro.
4563         (LAST_REF_NODE): Ditto.
4564         (FIRST_ADDR_NODE): Ditto.
4565         (find): New function.
4566         (unite): Ditto.
4567         (dump_constraint): Do not handle INCLUDES.
4568         (insert_into_complex): Do not insert duplicate constraints.
4569         (condense_varmap_nodes): Renamed and rewritten into ...
4570         (merge_node_constraints): This. Also fix bug in handling of
4571         offseted copy constraints.
4572         (clear_edges_for_node): No longer need to deal with preds at all,
4573         or removing associated preds/succs.
4574         (merge_graph_nodes): Deal with indirect_cycles.
4575         Don't deal with predecessors.
4576         (add_implicit_graph_edge): New function.
4577         (add_pred_graph_edge): Ditto.
4578         (add_graph_edge): Don't deal with predecessors.
4579         (build_constraint_graph): Removed.
4580         (build_pred_graph): New function.
4581         (build_succ_graph): Ditto.
4582         (struct scc_info): Removed in_component. Added roots, dfs, and
4583         node_mapping. Remove visited_index, unification_queue.
4584         (scc_visit): Deal with union-find we do now.
4585         Deal with cycles with REF nodes.
4586         (collapse_nodes): Renamed and rewritten to ...
4587         (unify_nodes): This.
4588         (process_unification_queue): Removed.
4589         (topo_visit): Cleanup
4590         (do_da_constraint): Use find.
4591         (do_sd_constraint): Ditto.
4592         (do_ds_constraint): Ditto.
4593         (do_complex_constraint): Ditto.
4594         (init_scc_info): Update for removed and added members.
4595         (find_and_collapse_graph_cycles): Renamed and rewritten into ...
4596         (find_indirect_cycles): This.
4597         (equivalence_class): New variable.
4598         (label_visit): New function.
4599         (perform_variable_substitution): Rewritten.
4600         (free_var_substitution_info): New function.
4601         (find_equivalent_node): Ditto.
4602         (move_complex_constraints): Ditto.
4603         (eliminate_indirect_cycles): Ditto.
4604         (solve_graph): Only propagate changed bits.
4605         Use indirect cycle elimination.
4606         Use find.
4607         (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
4608         (tree_id_eq): Renamed to ...
4609         (tree_vi_eq): This. Update for member change
4610         (insert_id_for_tree): Renamed and rewritten to ...
4611         (insert_vi_for_tree): This.
4612         (lookup_id_for_tree): Renamed and rewritten to ...
4613         (lookup_vi_for_tree): This.
4614         (get_id_for_tree): Renamed and rewritten to ...
4615         (get_vi_for_tree): Ditto.
4616         (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
4617         (process_constraint): Don't handle INCLUDES.
4618         Remove special ADDRESSOF case.
4619         (find_func_aliases): Rewrite to use vi functions instead of id
4620         ones.
4621         (create_function_info_for): Ditto.
4622         (create_variable_info_for): Ditto.
4623         (intra_create_variable_infos): Ditto.
4624         (merge_smts_into): Ditto.
4625         (find_what_p_points_to): Ditto.
4626         (init_base_vars): Ditto.
4627         (init_alias_vars): Ditto.
4628         (remove_preds_and_fake_succs): New function.
4629         (dump_sa_points_to_info): Dump new stats.
4630         (dump_solution_for_var): Use find.
4631         (set_used_smts): Fix formatting.
4632         (compute_points_to_sets): Updated for new functions.
4633         (ipa_pta_execute): Ditto.
4635 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4636             Richard Sandiford  <richard@codesourcery.com>
4638         * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
4639         parallels.
4640         * calls.c (expand_call): If the return value is a PARALLEL,
4641         extract its first member.
4642         * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
4643         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4644         use FUNCTION_EXTRA_EPILOGUE.
4645         (m68k_function_value): Return a PARALLEL if the return value
4646         is of a pointer type.
4647         * config/m68k/netbsd-elf.h (current_function_returns_pointer)
4648         (FUNCTION_EXTRA_EPILOGUE): Remove.
4649         * config/m68k/m68k.md (D0_REG): New constant.
4651 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4653         * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4654         output a NOP for empty epilogues.
4656 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4658         * config/m68k/m68k.c (m68k_use_return_insn): Update comments
4659         before function.  Extend register save check to include all
4660         registers, not just integer ones.
4662 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4664         * config/m68k/m68k-protos.h (use_return_insn): Rename to...
4665         (m68k_use_return_insn): ...this.
4666         * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
4667         * config/m68k/m68k.c (use_return_insn): Rename to...
4668         (m68k_use_return_insn): ...this.
4669         * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
4670         of USE_RETURN_INSN.
4672 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4674         * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
4675         nearest even, fix denormal rounding overflow.
4677 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4679         * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
4680         f%$smove and f%$move.
4681         (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
4682         (extendsfdf2_cf): Use fdmove instead of f%&move.
4683         (truncdfsf2_cf): Use fsmove instead of f%$smove.
4684         (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
4686 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4688         * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
4689         GPR<-GPR moves.
4691 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4693         * real.h (real_format): Add a canonical_nan_lsbs_set field.
4694         (coldfire_single_format): Declare.
4695         (coldfire_double_format): Likewise.
4696         * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
4697         of qnan_msb_set to determine the lower bits of a canonical
4698         NaN significand.
4699         (encode_ieee_double): Likewise.
4700         (encode_ieee_quad): Likewise.
4701         (ieee_single_format): Initialize canonical_nan_lsbs_set.
4702         (mips_single_format): Likewise.
4703         (ieee_double_format): Likewise.
4704         (mips_double_format): Likewise.
4705         (ieee_extended_motorola_format): Likewise.
4706         (ieee_extended_intel_96_format): Likewise.
4707         (ieee_extended_intel_128_format): Likewise.
4708         (ieee_extended_intel_96_round_53_format): Likewise.
4709         (ibm_extended_format): Likewise.
4710         (mips_extended_format): Likewise.
4711         (ieee_quad_format): Likewise.
4712         (mips_quad_format): Likewise.
4713         (vax_f_format): Likewise.
4714         (vax_d_format): Likewise.
4715         (vax_g_format): Likewise.
4716         (i370_single_format): Likewise.
4717         (i370_double_format): Likewise.
4718         (decimal_single_format): Likewise.
4719         (decimal_double_format): Likewise.
4720         (decimal_quad_format): Likewise.
4721         (c4x_single_format): Likewise.
4722         (c4x_extended_format): Likewise.
4723         (real_internal_format): Likewise.
4724         (coldfire_single_format): New real_format.
4725         (coldfire_double_format): Likewise.
4726         * config/pdp11/pdp11.c (pdp11_f_format): Initialize
4727         canonical_nan_lsbs_set.
4728         (pdp11_d_format): Likewise.
4729         * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4730         if TARGET_COLDFIRE_CPU.
4732 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4734         * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4735         (output_call, m68k_legitimize_call_address): Declare.
4736         * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4737         parenthesees.  Add support for a 'W' constraint.
4738         (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4739         (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4740         (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4741         * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4742         variables.
4743         (override_options): Initialize them.  Do not set flag_no_function_cse
4744         for TARGET_ID_SHARED_LIBRARY.
4745         (m68k_output_pic_call): Delete.
4746         (m68k_legitimize_call_address): New function.
4747         (print_operand): Remove the %o prefix.  Handle the %p prefix.
4748         (output_call): New function.
4749         (m68k_output_mi_thunk): Use m68k_symbolic_jump.  Always load the
4750         target address from the GOT if symbolic jumps are not allowed.
4751         * config/m68k/m68k.md (call, general_operand): Do not set
4752         SYMBOL_REF_FLAG.  Use m68k_legitimize_call_address instead.
4753         Merge separate flag_pic and !flag_pic define_insns into...
4754         (*call, *call_value): ...these new patterns.  Match the address
4755         rather than the containing MEM and require it to be a call_operand.
4756         Use output_call to generate the asm template.
4757         * config/m68k/predicates.md (const_call_operand): New predicate.
4758         (call_operand): Likewise.
4760 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4762         * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4763         (STACK_GROWS_DOWNWARD): Define to 1.
4764         (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4765         comments, emphasizing that these values are only defaults.
4766         * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4767         * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4769 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4771         * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4773 2007-01-18  Kazu Hirata  <kazu@codesourcery.com>
4774             Richard Sandiford  <richard@codesourcery.com>
4776         * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4777         (FP_REGNO_P): New macros.
4778         (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4779         (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4780         (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4781         * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4783 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4785         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4786         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4787         to $tmake_file.
4788         * config/m68k/t-floatlib: New file, extracting common code from...
4789         * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4790         * config/m68k/t-uclinux: Here.
4791         * config/m68k/fpgnulib.c: Do not compile extendeed precision
4792         routines on ColdFire targets.
4794 2007-01-18  Nathan Sidwell  <nathan@codesourcery.com>
4796         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4797         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4798         (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4799         (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4800         explicitly set MOTOROLA to 1.
4801         * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4803 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4804             Nathan Sidwell  <nathan@codesourcery.com>
4806         * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4807         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4808         * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4809         * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4810         * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4811         * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4812         (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4813         (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4814         (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4815         * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4816         * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4817         (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4818         (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4819         (DBX_REGISTER_NUMBER): Delete.
4820         * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4821         (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4822         * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4824 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4826         * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4827         * config/flat.h: New file.
4828         * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4829         OBJECT_FORMAT_FLAT.
4830         * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4831         indirect references for -msep-data or -mid-shared-library.
4832         Do not use PC-relative code addresses either.
4833         * config/m68k/m68k.c (override_options): Restrict -fPIC error
4834         to -mpcrel.
4835         * config/m68k/uclinux.h (STARTFILE_SPEC): Define.  Use Scrt1.o
4836         for shared libraries and crt1.o for executables.  Use crti.o and
4837         crtbegin.o.
4838         (ENDFILE_SPEC): Use crtend.o and crtn.o.
4839         (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4840         Do not add -elf2flt or -shared-lib-id options here.
4841         (LINK_SPEC): Define.  Pass -elf2flt if no -elf2flt option is given.
4842         Pass -shared-lib-id if -mid-shared-library, taking the library
4843         identifier from -mshared-library-id if given, otherwise
4844         defaulting to 0.
4845         (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4846         (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4847         (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4848         and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4849         (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4850         * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4851         and crtend.o.
4852         * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4853         jump sequence for ISA A and ISA A+.
4854         (PICJUMP): Likewise.
4856 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4858         * config.gcc (m68k-*-uclinux*): Base the port on the common
4859         and m68k GNU/Linux files rather than on the generic ELF ones.
4860         * config/m68k/uclinux.h (TARGET_VERSION): Override.
4861         (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4863 2007-01-18  Julian Brown  <julian@codesourcery.com>
4864             Richard Sandiford  <richard@codesourcery.com>
4866         * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4867         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4868         * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4869         before redefining.
4870         * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4871         80 unconditionally.
4872         (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4874 2007-01-18  Richard Sandiford  <richard@codesourcery.com>
4876         * doc/install.texi: Document m68k-uclinuxoldabi.
4877         * config.gcc (m68k-*-uclinuxoldabi): New configuration.
4878         * config/m68k/uclinux-oldabi.h: New file, copied from
4879         config/m68k/uclinux.h.
4881 2007-01-18  Kaz Kojima  <kkojima@rr.iij4u.or.jp>
4883         * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
4884         * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
4885         (m32r_compute_frame_size): Use unsigned for regno.
4886         (m32r_reload_lr): Use gen_frame_mem.
4887         (pop): New.
4888         (m32r_output_function_epilogue): Don't output the function epilogue
4889         textually here.
4890         (m32r_expand_epilogue): New.
4891         (direct_return): Return false if the function has the interrupt
4892         attribute.
4893         (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
4894         * config/m32r/m32r.md (epilogue): New expander.
4895         (return_lr, return_rte): New insns.
4896         (return): Make it expander.
4897         (return_normal): New expander.
4899 2007-01-18  Josh Conner  <jconner@apple.com>
4901         PR target/30485
4902         * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
4903         support for UNLE, UNLT, UNGE, and UNGT.
4905 2007-01-18  Jan Hubicka  <jh@suse.cz>
4907         * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
4908         * tree-tailcall (add_virtual_phis): Likewise.
4909         (optimize_tail_call): Return TODOs.
4910         (execute_tail_calls): Return TODOs.
4911         * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
4912         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
4913         changed.
4914         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4915         Cleanup cfg using TODO.
4916         * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
4917         * passes.c (execute_function_todo): When cleanup did something, remove
4918         unused locals.
4919         * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
4920         (make_edges): Don't cleanup_cfg.
4922 2007-01-18  Uros Bizjak  <ubizjak@gmail.com>
4924         * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
4925         UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
4926         operate on the top of stack.
4927         [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
4928         register handling of instructions that output to the second
4929         stack slot.
4930         [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
4931         (move_for_stack_reg): Special-case check for dead destination
4932         stack slot for constant load of 1.0 inside UNSPEC_TAN.
4934         * config/i386/i386.md (UNSPEC_TAN): New constant.
4935         (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
4936         (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
4937         to correctly model move of constant 1.0 to top stack slot.
4938         (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
4939         (unnamed peephole2 pattern): Remove corresponding peephole2
4940         pattern that optimizes tan insn and loading of constant 1.0.
4941         (tanxf2): Use fptanxf4_i387.
4942         (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
4943         patterns using X87MODEF12 mode macro.  Use fptan_extend<mode>xf4_i387
4944         and truncate result to requested mode.  Use SSE_FLOAT_MODE_P to
4945         disable patterns for SSE math.
4946         (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
4947         (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
4949 2007-01-18  Dirk Mueller  <dmueller@suse.de>
4950             Richard Guenther <rguenther@suse.de>
4952         PR diagnostic/8268
4953         * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
4954         * common.opt (Warray-bounds): Add new warning option.
4955         * c-opts.c (c_common_handle_option): Define -Warray-bounds
4956         if -Wall is given.
4957         * Makefile.in: make tree-vrp.o depend on toplev.h
4958         * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
4959         is enabled.
4960         (check_array_refs, check_array_bounds, check_array_ref): New.
4962 2007-01-18  Jan Hubicka  <jh@suse.cz>
4964         * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
4965         (execute_ssa_ccp): Return flags conditionally.
4966         * tree-ssa-propagate.c (substitue_and_fold): Return if something was
4967         changed.
4968         * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
4970 2007-01-18  Steven Bosscher  <steven@gcc.gnu.org>
4972         * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
4973         the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
4975         * Makefile.c (GTFILES): Add cfglayout.h.
4976         * gengtype.c (open_base_files): Likewise.
4977         * cfglayout.c (cfg_layout_function_footer,
4978         cfg_layout_function_header) Reindent to make gengtype happy.
4979         * cfglayout.h (cfg_layout_function_footer,
4980         cfg_layout_function_header): Add GTY(()) marker.
4982         * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
4984 2007-01-18  Ben Elliston  <bje@au.ibm.com>
4986         * genautomata.c (write_automata): Include xstrerror output in the
4987         error message if writing the DFA description file fails.
4989 2007-01-17  H.J. Lu  <hongjiu.lu@intel.com>
4991         * config/mips/mips-protos.h (mips_output_external): Make it
4992         return void.
4993         * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
4994         * config/mips/mips.c (irix_output_external_libcall): Likewise.
4995         (extern_list): Likewise.
4996         (extern_head): Likewise.
4997         (TARGET_ASM_FILE_END): Likewise.
4998         (mips_file_end): Likewise.
4999         (mips_output_external): Rewritten.
5001 2007-01-18  Ben Elliston  <bje@au.ibm.com>
5003         * genpreds.c (write_insn_preds_c): Only write out the function
5004         body for regclass_for_constraint if we have register constraints.
5006 2007-01-17  Tom Tromey  <tromey@redhat.com>
5008         * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
5009         * doc/install.texi (Testing): Use sourceware.org.
5010         (Binaries): Likewise.
5011         (Specific): Likewise.
5012         * doc/contrib.texi (Contributors): Use sourceware.org.
5014 2007-01-17  Anatoly Sokolov <aesok@post.ru>
5016         * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
5017         (AVR_ENHANCED): Rename to ...
5018         (AVR_HAVE_MUL): ... new.
5019         (avr_enhanced_p): Rename to ...
5020         (avr_have_mul_p): ... new.
5021         (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
5022         'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
5023         * config/avr/avr.c (avr_enhanced_p): Rename to ...
5024         (avr_have_mul_p): ... new.
5025         (base_arch_s): Rename 'enhanced' to 'have_mul'.
5026         (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
5027         'avr_enhanced_p' and 'enhanced'.
5028         (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
5029         AVR_HAVE_MUL instead of AVR_ENHANCED.
5030         * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
5031         (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
5032         *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
5033         instead of AVR_ENHANCED.
5034         (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
5035         * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
5036         (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
5038 2007-01-17  Ian Lance Taylor  <iant@google.com>
5040         * vec.h (VEC_reserve_exact): Define.
5041         (vec_gc_p_reserve_exact): Declare.
5042         (vec_gc_o_reserve_exact): Declare.
5043         (vec_heap_p_reserve_exact): Declare.
5044         (vec_heap_o_reserve_exact): Declare.
5045         (VEC_OP (T,A,reserve_exact)): New static inline function, three
5046         versions.
5047         (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
5048         negative parameter.
5049         (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
5050         (VEC_OP (T,A,copy)) [all versions]: Likewise.
5051         (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
5052         * vec.c (calculate_allocation): Add exact parameter.  Change all
5053         callers.
5054         (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
5055         (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
5056         (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
5057         (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
5058         (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
5059         (vec_heap_p_reserve_exact): New function.
5060         (vec_heap_o_reserve_exact): New function.
5062 2007-01-17  Jan Hubicka  <jh@suse.cz>
5064         * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
5066 2007-01-17  Eric Christopher  <echristo@apple.com>
5068         * config.gcc: Support core2 processor.
5070 2007-01-16  Jan Hubicka  <jh@suse.cz>
5072         * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
5073         the names, just unlink the chain so we don't crash on dangling pointers
5074         to dead SSA names.
5076 2007-01-16  Jan Hubicka  <jh@suse.cz>
5078         * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
5079         * tree-pass.h: Reorder to make IPA passes appear toegher.
5080         (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
5081         * cgraphunit.c (cgraph_finalize_function): Do not compute inling
5082         parameters, do not call early inliner.
5083         * ipa-inline.c: Update comments.  Include tree-flow.h
5084         (cgraph_decide_inlining): Do not compute inlining parameters.
5085         (cgraph_decide_inlining_incrementally): Return TODOs; assume to
5086         be called with function context set up.
5087         (pass_ipa_inline): Remove unreachable functions before pass.
5088         (cgraph_early_inlining): Simplify assuming to be called from the
5089         PM as local pass.
5090         (pass_early_inline): New pass.
5091         (cgraph_gate_ipa_early_inlining): New gate.
5092         (pass_ipa_early_inline): Turn into simple wrapper.
5093         (compute_inline_parameters): New function.
5094         (gate_inline_passes): New gate.
5095         (pass_inline_parameters): New pass.
5096         (apply_inline): Move here from tree-optimize.c
5097         (pass_apply_inline): New pass.
5098         * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
5099         transforming.
5100         * tree-inline.c (optimize_inline_calls): Return TODOs rather than
5101         doing them by hand.
5102         (tree_function_versioning): Do not allocate dummy struct function.
5103         * tree-inline.h (optimize_inline_calls): Update prototype.
5104         * tree-optimize.c (execute_fixup_cfg): Export.
5105         (pass_fixup_cfg): Remove
5106         (tree_rest_of_compilation): Do not apply inlines.
5107         * tree-flow.h (execute_fixup_cfg): Declare.
5108         * Makefile.in (gt-passes.c): New.
5109         * passes.c: Include gt-passes.h
5110         (init_optimization_passes): New passes.
5111         (nnodes, order): New static vars.
5112         (do_per_function_toporder): New function.
5113         (execute_one_pass): Dump current pass here.
5114         (execute_ipa_pass_list): Don't dump current pass here.
5116 2007-01-16  Janis Johnson  <janis187@us.ibm.com>
5118         * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
5119         (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
5121 2007-01-16  David Edelsohn  <edelsohn@gnu.org>
5123         * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
5124         (strong_alias): Define.
5125         (__gcc_qmul): Provide non-FMA for soft-float.
5126         (__gcc_qdiv): Same.
5127         (__gcc_qneg): New.
5128         (__gcc_qeq): New.
5129         (__gcc_qle): New.
5130         (__gcc_qge): New.
5131         (__gcc_qunord): New.
5132         (__gcc_stoq): New.
5133         (__gcc_dtoq): New.
5134         (__gcc_qtos): New.
5135         (__gcc_qtod): New.
5136         (__gcc_qtoi): New.
5137         (__gcc_qtou): New.
5138         (__gcc_itoq): New.
5139         (__gcc_utoq): New.
5140         (fmsub): New.
5141         * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
5142         soft-float functions.
5143         * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
5144         * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
5145         about long double soft float.
5147 2007-01-16  Dorit Nuzman  <dorit@il.ibm.com>
5148             Tehila Meyzels  <tehila@il.ibm.com>
5150         * tree-vectorizer.h (is_pattern_stmt_p): New.
5151         * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
5152         formatting (tabs instead of spaces). Cleanup and clarify setting
5153         of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
5154         * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
5155         (vectorizable_type_demotion): Check that types are integral.
5156         (vectorizable_type_promotion): Likewise.
5157         (vectorizable_store): Fix typo.  Eliminate new-line at end of
5158         comments.
5160 2007-01-16  Jan Hubicka  <jh@suse.cz>
5162         * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
5163         cgraph edges too.
5165 2007-01-15  Eric Christopher  <echristo@apple.com>
5167         * ifcvt.c: Include vec.h, vecprim.h.
5168         (check_cond_move_block): New argument regs.
5169         Reorganize. Add registers used to regs.
5170         (cond_move_process_if_block): Use regs set above as
5171         loop bounds.
5173 2007-01-15  Eric Christopher  <echristo@apple.com>
5175         * config/darwin.h: Update copyright.
5176         (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
5177         (LINK_COMMAND_SPEC): Add -u.
5178         (LINK_SPEC): Fix umbrella for above.
5180 2007-01-15  Joseph S. Myers  <joseph@codesourcery.com>
5182         * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
5183         glibc CVS.
5185 2007-01-15  Tom Tromey  <tromey@redhat.com>
5187         * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
5188         * doc/install.texi (Testing): Don't mention jacks.
5189         (Configuration): Document --enable-java-maintainer-mode.  Move
5190         --with-java-home to libgcj-specific section.  Document
5191         --with-ecj-jar.
5192         (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
5194 2007-01-15  Jan Hubicka  <jh@suse.cz>
5196         * tree-ssa-dce.c (DCE_TODOs): New.
5197         (propagate_necessity): Return if something changed.
5198         (eliminate_unnecessary_stmts): Likewise.
5199         (perform_tree_ssa_dce): Return TODO flags when needed.
5200         (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
5202 2007-01-15  Uros Bizjak  <ubizjak@gmail.com>
5204         * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
5205         (fyl2x_extend<mode>xf3_i387): New insn pattern.
5206         (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
5207         patterns using X87MODEF12 mode macro.  Extend operand 1
5208         to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
5209         (log10<mode>2): Ditto.
5210         (log2<mode>2): Ditto.
5211         (log1p<mode>2): Ditto.
5212         (logb<mode>2): Ditto.
5213         (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
5214         (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
5215         (*fxtractxf3_i387): Rename from *fxtractxf3.
5216         (fxtract_extend<mode>xf3_i387): New insn pattern.
5217         (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
5218         * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
5219         and gen_fyl2xxf3_i387().
5221 2007-01-14  Zdenek Dvorak <dvorakz@suse.cz>
5223         * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
5224         * cfgloopmanip.c (fix_loop_placement): Made static.  Use
5225         get_loop_exit_edges.  Changed return type to bool.
5226         * cfgloop.h (fix_loop_placement): Declaration removed.
5228 2007-01-14  Dorit Nuzman  <dorit@il.ibm.com>
5230         * param.h (MIN_VECT_LOOP_BOUND): New.
5231         * params.def (MIN_VECT_LOOP_BOUND): New.
5232         * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
5233         argument - minimum threshold for number of iterations.
5234         * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
5235         argument to declaration.
5236         * tree-vect-analyze.c (vect_analyze_operations): Check value of
5237         MIN_VECT_LOOP_BOUND.
5238         * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
5239         slpeel_tree_peel_loop_to_edge with additional argument.
5240         (vect_do_peeling_for_alignment): Likewise.
5241         * doc/invoke.texi (min-vect-loop-bound): Document new param option.
5243 2007-01-14  Uros Bizjak  <ubizjak@gmail.com>
5245         PR target/30413
5246         * config/i386/i386.c (print_operand) ['z']: Output 'b' for
5247         operands of size 1.
5249 2007-01-14  Jan Hubicka  <jh@suse.cz>
5251         * tree-dfa.c (remove_referenced_var): New function.
5252         * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
5253         prune referenced vars list too.
5254         * tree-flow.h (remove_referenced_var): Declare.
5256 2007-01-14  Jan Hubicka  <jh@suse.cz>
5258         * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
5259         separately.
5260         (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
5261         (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
5262         * except.h (verify_eh_throw_table_statements): Kill prototype.
5263         * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
5264         into call exrepssions.
5265         * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
5266         eh trhow verifier.
5267         * tree-cfg.c: Include pointer-set.h.
5268         (verify_node_sharing): Work on pointer set.
5269         (verify_eh_throw_stmt_node): New.
5270         (verify_stmts): Use pointers sets, verify throw_stmt.
5272 2007-01-13  Zdenek Dvorak <dvorakz@suse.cz>
5274         * ipa-reference.c (analyze_function): Consider also addresses taken
5275         in phi nodes.
5277 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5279         * c-typeck.c (null_pointer_constant_p): Replace use of
5280         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5281         (build_c_cast): Likewise.
5283 2007-01-12  Roger Sayle  <roger@eyesopen.com>
5285         * tree.h (force_fit_type_double): Remove unused final argument.
5286         * c-common.c (constant_expression_warning): Replace use of
5287         TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5288         (convert_and_check): Likewise.
5289         (shorten_compare): Update call to force_fit_type_double.
5290         (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
5291         * convert.c (convert_to_pointer): Update call to
5292         force_fit_type_double.
5293         * fold-const.c (force_fit_type_double): Remove overflowed_const
5294         argument.
5295         (int_const_binop, fold_convert_const_int_from_int,
5296         fold_convert_const_int_from_real, fold_div_compare,
5297         fold_sign_changed_comparison, fold_unary, fold_negate_const,
5298         fold_abs_const, fold_not_const): Remove the final argument from
5299         calls to force_fit_type_double.
5301 2007-01-12  Andrew Pinski  <andrew_pinski@playstation.sony.com>
5303         * configure.ac: Set insn to "nop" for spu-*-* also.
5304         * configure: Regenerate.
5306 2007-01-12  Olga Golovanevsky  <olga@il.ibm.com>
5308         * builtins.def : Add BUILT_IN_FREE.
5310 2007-01-12  Jan Hubicka  <jh@suse.cz>
5312         PR tree-optimization/30443
5313         * tree-inline.c (tree_function_versioning): Do not optimize when
5314         cloning for inlining.
5316 2007-01-12  Zdenek Dvorak <dvorakz@suse.cz>
5318         * doc/loop.texi: Document recording of loop exits.
5319         * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
5320         (update_single_exits_after_duplication,
5321         update_single_exit_for_duplicated_loop,
5322         update_single_exit_for_duplicated_loops): Removed.
5323         (duplicate_loop_to_header_edge): Do not call
5324         update_single_exits_after_duplication and
5325         update_single_exit_for_duplicated_loops.
5326         (loop_version): Do not update single_exit information.
5327         (fix_loop_structure): Use record_loop_exits instead of
5328         mark_single_exit_loops.
5329         * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
5330         the lists of loop exits.
5331         * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
5332         split_edge, merge_blocks): Update the lists of loop exits.
5333         * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
5334         loop_optimizer_init.
5335         * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
5336         of mark_single_exit_loops.
5337         (loop_optimizer_finalize): Call release_recorded_exits.
5338         * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
5339         LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
5340         * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
5341         update single exit information.
5342         * lambda-code.c (perfect_nestify): Ditto.
5343         * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
5344         (mark_single_exit_loops): Removed.
5345         (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
5346         get_exit_descriptions, rescan_loop_exit, record_loop_exits,
5347         dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
5348         functions.
5349         (get_loop_exit_edges, single_exit): Use recorded exit lists.
5350         (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
5351         (verify_loop_structure): Verify consistency of the exit lists.
5352         (flow_loops_find): Use alloc_loop.  Initialize exits hash.
5353         (set_single_exit): Removed.
5354         * cfgloop.h (struct loop_exit): New function.
5355         (struct loop): single_exit_ field replaced by exits field.
5356         (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
5357         (struct loops): Added exits hash.
5358         (mark_single_exit_loops, set_single_exit): Declaration removed.
5359         (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
5361 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5363         * doc/invoke.texi: Avoid use of @headitem.
5365 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5367         * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
5369 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5371         * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
5372         list of targets.
5374 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5375             Richard Sandiford  <richard@codesourcery.com>
5377         * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
5378         * config/m68k/m68k.opt: Resort options.
5379         (mbitfield, mrtd, mshort): Remove RejectNegative properties.
5381 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5382             Richard Sandiford  <richard@codesourcery.com>
5384         * doc/invoke.texi: Document the macros that are defined by
5385         m68k's -mtune and -mhard-float options.
5386         * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
5387         (m68k_cpp_cpu_family): Likewise.
5388         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
5389         of __ucfv*__ macros.  Define __mcffpu__ if generating code for
5390         ColdFire FPUs.  Define __mcf_cpu_* and __mcf_family_* macros.
5391         * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
5392         (m68k_cpp_cpu_family): Likewise.
5394 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5396         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
5397         macros besides mc68000 as tuning macros.  Use a switch statement
5398         to set them and mcpu32.
5400 2007-01-12  Julian Brown  <julian@codesourcery.com>
5402         * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
5403         (TARGET_68040_ONLY): Rename to...
5404         (TARGET_68040): ...this.
5405         * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
5406         * config/m68k/m68k.md: Likewise.
5408 2007-01-12  Julian Brown  <julian@codesourcery.com>
5409             Nathan Sidwell  <nathan@codesourcery.com>
5410             Richard Sandiford  <richard@codesourcery.com>
5412         * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
5413         the -mcpu= argument associated with the --with-cpu setting.
5414         Define M68K_DEFAULT_TUNE to the default -mtune= option,
5415         if different from the one implied by the -mcpu setting.
5416         Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
5417         using mcpu=FOO as the default CPU option.  Set target_cpu_default2.
5418         * doc/invoke.texi: Mention ColdFire in the introduction to the
5419         m68k options.  Document the new -march, -mcpu, -mtune, -mdiv,
5420         -mno-div and -mhard-float options.  Make -m68881 a synonym for
5421         -mhard-float.  Document the previously-undocumented -m5206e,
5422         -m528x, -m5307 and -m5407 options.  Tweak the existing option
5423         documentation for consistency.
5424         * doc/install.texi: Mention new --with-cpu arguments.
5425         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
5426         default CPU if neither -mcpu nor -march are specified.
5427         (ASM_CPU_SPEC): Pass down -mcpu and -march options.
5428         (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
5429         TARGET_ISA*.  Set the legacy __mcf*__ cpu macros in the same way,
5430         using m68k_tune to decide between families that implement the
5431         same ISA.  Use m68k_tune to set __mcfv4e__.
5432         (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
5433         (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
5434         (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
5435         (FL_ISA_C, FL_ISA_MMU): New macros.
5436         (MASK_COLDFIRE): Delete.
5437         (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
5438         (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
5439         (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
5440         (TARGET_HARD_FLOAT): Do not define here.
5441         (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
5442         (TUNE_68000): New macro.
5443         (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
5444         (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
5445         (TUNE_CFV2): Redefine in terms of m68k_tune.
5446         (uarch_type, target_device, fpu_type): New enums.
5447         (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
5448         * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
5449         (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
5450         (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
5451         (FL_FOR_isa_c): New macros.
5452         (m68k_isa): New enum.
5453         (m68k_target_selection): New structure.
5454         (all_devices, all_isas, all_microarchs): New tables.
5455         (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
5456         (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
5457         (MASK_ALL_CPU_BITS): Delete.
5458         (m68k_find_selection): New function.
5459         (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
5460         Map the legacy target options to a combination of the new ones.
5461         (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
5462         m68k_cpu_flags.  Handle M68K_DEFAULT_TUNE.  Use m68k_cpu_flags
5463         to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
5464         settings.
5465         * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
5466         (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
5467         properties.
5468         (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
5469         (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
5470         * config/m68k/m68k-devices.def: New file.
5472 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5473             Nathan Sidwell  <nathan@codesourcery.com>
5475         * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
5476         (SUBTARGET_EXTRA_SPECS): New macros.
5477         * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
5478         use %(asm_cpu_spec) instead.
5479         * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
5480         * config/m68k/openbsd.h (ASM_SPEC): Likewise.
5481         * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
5482         (EXTRA_SPECS): Rename to...
5483         (SUBTARGET_EXTRA_SPECS): ...this.
5485 2007-01-12  Nathan Sidwell  <nathan@codesourcery.com>
5486             Richard Sandiford  <richard@codesourcery.com>
5487             Julian Brown  <julian@codesourcery.com>
5489         * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
5490         (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
5491         to the configuration's default CPU.
5492         (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
5493         Remove default masks.
5494         (m680[012]0-*-*): Set the default with_cpu to the first part of
5495         the target name.
5496         (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
5497         (m68k*-*-linux): Extend the --with-cpu handling to...
5498         (m680[012]0-*-*, m68k*-*-*): ...these configurations.  Allow m68000
5499         and m68010.  Don't set target_cpu_default2.
5500         * doc/install.texi: Document --with-cpu for m68k.
5501         * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
5502         * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
5503         (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
5504         (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
5505         (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
5506         (ASM_SPEC): Remove use of %(asm_cpu_default).
5507         (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
5508         * config/m68k/linux.h (TARGET_DEFAULT): Delete.
5509         (CPP_SPEC): Merge definitions.  Do not handle __HAVE_68881__ here.
5510         * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
5511         __HAVE_FPU__ if TARGET_HARD_FLOAT.
5512         (TARGET_DEFAULT): Delete.
5513         (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
5514         cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
5515         (CPP_CPU_SPEC): Delete.
5516         (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
5517         the appropriate string.
5518         (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
5519         (CPP_SPEC): Define to NETBSD_CPP_SPEC.
5520         (ASM_SPEC): Don't use %(asm_default_spec).
5521         * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5522         TARGET_DEFAULT and add MASK_68881.
5523         * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
5525 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5527         * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
5528         (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
5529         MASK_68010 alongside MASK_68020.
5530         * doc/invoke.texi: Document -m68010.
5531         * config/m68k/m68k.opt (m68010): New.
5532         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
5533         if TUNE_68010.
5534         (TUNE_68010): New macro.
5535         * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
5536         (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
5537         (M68K_CPU_m68332): Add MASK_68010.
5538         * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
5539         fallback definition.
5540         * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
5541         defines.
5542         * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
5543         (m68k_handle_option): Handle OPT_m68010.  Add MASK_68010
5544         to all entries that use MASK_68020.
5545         (output_move_simode_const, output_move_himode, output_move_qimode)
5546         (output_move_stricthi, output_move_strictqi): Use TARGET_68010
5547         instead of TARGET_68020 to select clr behavior.  Remove comment
5548         about there being no TARGET_68010.
5549         * config/m68k/m68k.md: Likewise throughout.
5551 2007-01-12  Julian Brown  <julian@codesourcery.com>
5553         * config/m68k/m68k.h (TARGET_ISAB): New macro.
5554         * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
5555         * config/m68k/m68k.md: Likewise.
5557 2007-01-12  Julian Brown  <julian@codesourcery.com>
5559         * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
5560         TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
5562 2007-01-12  Julian Brown  <julian@codesourcery.com>
5564         * config/m68k/m68k.h (TUNE_68040_60): New macro.
5565         * config/m68k/m68k.c (standard_68881_constant_p): Use it.
5566         * config/m68k/m68k.md: Likewise.
5568 2007-01-12  Julian Brown  <julian@codesourcery.com>
5569             Richard Sandiford  <richard@codesourcery.com>
5571         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
5572         instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
5573         TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
5574         TARGET_CPU32.
5575         (TARGET_CPU32): Rename to...
5576         (TUNE_CPU32): ...this.
5577         (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
5578         (TUNE_CFV2): New macros.
5579         * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
5580         remove conditions that are implied by TARGET_68020.
5581         * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
5582         instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
5583         (m68k_output_function_epilogue): Likewise.
5584         (m68k_rtx_costs): Likewise.  Use TUNE_68060 instead of TARGET_68060
5585         and TUNE_CFV2 instead of TARGET_5200.  Use TUNE_68000_10 instead of
5586         "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
5587         non-68000 timings.  Refactor multiplication and division costs.
5588         (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
5589         TUNE_CPU32 instead of TARGET_CPU32.
5590         (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
5591         and TUNE_68060 instead of TARGET_68060.
5592         * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
5593         TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
5594         TARGET_CPU32.
5595         (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
5596         && !TARGET_COLDFIRE" to choose between moveq and clr.
5597         Likewise in the unnamed movsf pattern.
5598         (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
5599         "!TARGET_68020 && !TARGET_COLDFIRE".  Likewise the unnamed
5600         ashiftrt pattern.
5602 2007-01-12  Richard Sandiford  <richard@codesourcery.com>
5604         * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
5605         of tabbing before backslashes.
5607 2007-01-11  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
5609         * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
5610         * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
5611         (ASM_OUTPUT_INTERNAL_LABEL): Define.
5613 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5615         * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
5616         find_interesting_uses_cond.
5617         (find_interesting_uses_cond): Use extract_cond_operands.
5618         (rewrite_use_compare): Use extract_cond_operands and
5619         force_gimple_operand_bsi.  Do not call update_stmt.
5620         (determine_use_iv_cost_condition): Use extract_cond_operands.
5621         Return cheaper of using original bound and changing the exit bound.
5623 2007-01-11  Zdenek Dvorak <dvorakz@suse.cz>
5625         PR tree-optimization/29516
5626         * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
5627         most_expensive_mult_to_index, addr_to_parts,
5628         create_mem_ref, maybe_fold_tmr): Make the type of
5629         fields of TARGET_MEM_REF sizetype.
5630         (move_fixed_address_to_symbol, move_pointer_to_base):
5631         New functions.
5632         * tree.def (TARGET_MEM_REF): Add comment on types of
5633         the operands.
5635 2007-01-11  Joseph Myers  <joseph@codesourcery.com>
5637         * c-common.c (vector_types_convertible_p): Treat opaque types as
5638         always convertible if they have the same size, but not otherwise.
5640 2007-01-11  Steven Bosscher  <steven@gcc.gnu.org>
5642         * ifcvt.c (struct noce_if_info): Add comments to the fields.
5643         Remove the b_unconditional field.
5644         (noce_try_sign_mask): Do not look at b_unconditional.
5645         (noce_process_if_block): Do not use merge_if_blocks.  Update
5646         the CFG here.  Do not set b_unconditional.
5647         (cond_move_process_if_block): Likewise.
5648         (find_cond_trap): Likewise.
5649         (check_cond_move_block): Require simple jump insns at the end
5650         of the basic block.
5652 2007-01-11  Jan Hubicka  <jh@suse.cz>
5654         PR tree-optimization/1046
5655         * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
5656         when alias info is not ready.
5657         (pass_tail_recursion): Do not require aliasing.
5658         * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
5659         * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
5660         * tree-ssa-copy.c (pass_copy_prop): Likewise.
5661         * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5662         * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
5663         * passes.c (init_optimization_passes): Execute rename_ssa_copies,
5664         ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
5665         before inlining.
5666         * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
5667         When aliasing is not build, mark statement as volatile.
5669 2007-01-11  Tom Tromey  <tromey@redhat.com>
5671         PR preprocessor/15185, PR preprocessor/20989:
5672         * doc/cppopts.texi <-MT>: Update description of algorithm for
5673         computing default target.
5674         <-M, -MD>: Reword "basename" text.
5676 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5678         * builtins.c (expand_builtin_pow, expand_builtin_powi,
5679         fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
5680         fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5681         fold_builtin_int_int_roundingfn, fold_builtin_bitop,
5682         fold_builtin_bswap, real_constp, fold_builtin_pow,
5683         fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
5684         do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
5685         uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5686         * convert.c (convert_to_pointer): Likewise.
5687         * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
5688         * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
5689         const_binop, fold_convert_const_int_from_int,
5690         fold_convert_const_int_from_real,
5691         fold_convert_const_real_from_real, sign_bit_p,
5692         optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
5693         fold_sign_changed_comparison, fold_unary, fold_comparison,
5694         fold_binary, multiple_of_p, tree_Expr_non_zero_p,
5695         fold_negate_const, fold_abs_const, fold_not_const): Likewise.
5696         * print-tree.c (print_node_brief, print_node): Likewise.
5697         * stor-layout.c (place_field, layout_type): Likewise.
5698         * tree-chrec.c (keep_cast): Likewise.
5699         * tree.c (build_vector, build_real, build_real_from_int_cst,
5700         build_complex): Likewise.
5702 2007-01-11  Roger Sayle  <roger@eyesopen.com>
5704         * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete.  For the time being,
5705         treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
5707 2007-01-11  Paolo Bonzini  <bonzini@gnu.org>
5709         * configure.ac (strict1_warn): Rename to strict_warn.
5710         (WERROR, --enable-werror, symlink hacks, stage1_cflags,
5711         cc_set_by_configure, quoted_cc_set_by_configure,
5712         stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
5713         all_boot_languages, all_stagestuff): Remove.
5714         (target_list): Remove bootstrap targets.
5715         * Makefile.in (quickstrap): Unconditionally make a synonym of all.
5716         (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
5717         REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
5718         SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
5719         VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
5720         STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
5721         stage1_copy, stage2_build, stage2_copy, stageprofile_build,
5722         stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
5723         stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
5724         bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
5725         bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
5726         unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
5727         restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
5728         cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
5729         *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
5730         stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
5731         stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
5732         risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
5733         (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
5734         (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
5735         (mostlyclean): Adjust.
5736         (clean, distclean): Don't mention bootstrap stuff.
5737         * configure: Regenerate.
5738         * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
5739         java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
5740         treelang/config-lang.in (stagestuff): Remove.
5741         * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
5742         stageprofile, stagefeedback, stagestuff): Remove mention.
5744 2007-01-11  Nick Clifton  <nickc@redhat.com>
5746         * config/mcore/predicates.md (mcore_general_movesrc_operand):
5747         Accept CONSTs.
5748         (mcore_general_movdst_operand): Do not accept CONST_INTs.
5749         (mcore_arith_K_S_operand): Run the test for the S constraint not
5750         the test for the M constraint.
5751         (mcore_addsub_operand): Do not accept integer values that are
5752         larger than 32 bits.
5753         * config/mcore/mcore.md: Remove unused constraints from split.
5754         (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
5755         (addsi3): Likewise.
5756         (allocate_stack): Likewise.
5757         * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
5758         operands to 32 bits.
5759         (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
5760         INTVAL.
5761         (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
5762         mcore_const_ok_for_inline, mcore_const_trick_uses_not,
5763         try_constant_tricks, mcore_num_ones, mcore_num_zeros,
5764         mcore_output_bclri, mcore_output_andn, output_inline_const,
5765         mcore_output_move, mcore_output_movedouble): Likewise.
5766         (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
5767         (output_inline_const): Likewise.
5768         (output_inline_const): Fix format strings used in sprintf
5769         statements.
5770         * config/mcore/mcore-protos.h: Update prototypes for changed
5771         functions in mcore.c.
5772         * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
5773         HOST_WIDE_INT and not int.
5774         (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
5775         CONST_OK_FOR_N): Likewise.
5776         (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
5777         (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
5778         an INTVAL.
5780 2007-01-10  Jan Hubicka  <jh@suse.cz>
5782         * tree-vrp.c (remove_range_assertions): Release defs.
5783         * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
5784         * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5786 2007-01-10  Paul Brook  <paul@codesourcery.com>
5788         * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5789         * config/arm/arm.md (mulsi3subsi): New insn.
5791 2007-01-10  Zdenek Dvorak <dvorakz@suse.cz>
5793         * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5794         (tree_transform_and_unroll_loop): New.
5795         * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5796         Declare.
5798 2007-01-10  Robert Kennedy <jimbob@google.com>
5800         * fold-const.c (fold_comparison): Fold comparisons like (x *
5801         1000 < 0) to (x < 0).
5803 2007-01-10  Ian Lance Taylor  <iant@google.com>
5805         * tree-pretty-print.c (dump_generic_node): Print parentheses when
5806         operands have the same priority.
5808 2007-01-10  Tom Tromey  <tromey@redhat.com>
5810         * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5811         (fold_binary): Likewise.
5812         * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5813         * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5814         (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5815         (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5816         * langhooks.h (struct lang_hooks): Removed field
5817         'can_use_bit_fields_p'.
5819 2007-01-10  Ralf Corsépius <ralf.corsepius@rtems.org>
5821         * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5823 2007-01-10  Razya Ladelsky  <razya@il.ibm.com>
5825         * function.c (get_last_funcdef_no): New function.
5826         * function.h (get_last_funcdef_no): Declare.
5827         * tree-inline.c (initialize_cfun): Add initialization.
5828         (tree_function_versioning): Cleanup.
5830 2007-01-10  Jan Hubicka  <jh@suse.cz>
5832         * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5833         PHIs.
5835 2007-01-10  Sa Liu  <saliu@de.ibm.com>
5836             Ben Elliston  <bje@au.ibm.com>
5838         * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5839         for SAVE_NONLOCAL and Pmode for any other save level.
5840         * spu-protos.h (spu_restore_stack_block): Declare.
5841         * spu.md (save_stack_block): Remove.
5842         (restore_stack_block): Call spu_restore_stack_block.
5843         * spu.c (spu_restore_stack_block): New function.
5844         (spu_expand_epilogue): Remove old comment.
5846 2007-01-09  Zdenek Dvorak <dvorakz@suse.cz>
5848         PR tree-optimization/30322
5849         * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5850         (cand_value_at): Return the value as aff_tree.
5851         (may_eliminate_iv): Convert the bound from aff_tree to tree.
5852         * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5853         aff_combination_mult): New functions.
5854         (aff_combination_add): Use aff_combination_add_cst.
5855         (aff_combination_convert): Allow conversions to a wider type.
5856         (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5857         * tree-affine.h (aff_combination_mult): Declare.
5859 2007-01-09  Carlos O'Donell  <carlos@codesourcery.com>
5861         * doc/tm.texi: Update documentation to reflect reality of exec
5862         and start file search behaviours. Update copyright year.
5863         * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5864         header file directories.
5866 2007-01-09  Uros Bizjak  <ubizjak@gmail.com>
5868         * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5869         (*cosxf2): Rename to cosxf2_i387.
5870         (*sindf2, *sinsf2): Extend operand 1 to XFmode.  Macroize patterns
5871         using X87MODEF12 mode macro. Rename patterns to
5872         *sin_extend<mode>xf2_i387.  Use SSE_FLOAT_MODE_P to disable patterns
5873         for SSE math.
5874         (*cosdf2, *cossf2): Ditto.
5875         (sincosdf3, sincossf3): Ditto.  Rewrite corresponding splitters
5876         to match extended input operands.
5877         (sincos<mode>3): New expander.
5878         (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
5879         insn patterns and corresponding splitters.
5881 2007-01-09  Kaz Kojima  <kkojima@gcc.gnu.org>
5883         * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
5884         (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
5886 2007-01-09  Nicolas Pitre  <nico@cam.org>
5888         PR target/30173
5889         * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
5891 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5893         * target.h (struct gcc_target): New field library_rtti_comdat.
5894         * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
5895         (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
5896         * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
5897         * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
5899 2007-01-08  Geoffrey Keating  <geoffk@apple.com>
5901         * doc/invoke.texi (Optimize Options): Correct description of -O0.
5903 2007-01-08  Richard Guenther  <rguenther@suse.de>
5905         * tree.h (force_fit_type_double): Export.
5906         (force_fit_type): Remove.
5907         * fold-const.c (force_fit_type_double): New function.
5908         (force_fit_type): Remove.
5909         (int_const_binop): Use it.
5910         (fold_convert_const_int_from_int): Likewise.
5911         (fold_convert_const_int_from_real): Likewise.
5912         (fold_div_compare): Likewise.
5913         (fold_sign_changed_comparison): Likewise.
5914         (fold_unary): Likewise.
5915         (fold_negate_const): Likewise.
5916         (fold_abs_const): Likewise.
5917         (fold_not_const): Likewise.
5918         * c-common.c (shorten_compare): Use force_fit_type_double.
5919         * convert.c (convert_to_pointer): Likewise.
5921 2007-01-08  Richard Guenther  <rguenther@suse.de>
5923         * tree.h (build_int_cst_wide_type): Export.
5924         * tree.c (build_int_cst_wide_type): New function.
5925         (build_int_cst_wide): Fix comment.
5926         * builtins.c (fold_builtin_object_size): Use build_int_cst
5927         to build -1 or 0 of the correct type.  Use fit_double_type
5928         to check for overflow.
5929         * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
5930         to build the mask.
5931         (decode_field_reference): Likewise.
5932         (all_ones_mask_p): Likewise.
5933         (native_interpret_int): Use build_int_cst_wide_type.
5934         (fold_binary): Use build_int_cst_type to build an all-ones
5935         value.
5936         * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
5938 2007-01-08  Daniel Jacobowitz  <dan@codesourcery.com>
5940         * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
5942 2007-01-09  Ben Elliston  <bje@au.ibm.com>
5944         * genautomata.c (STATS_OPTION): New option.
5945         (stats_flag): New flag.
5946         (gen_automata_option): Handle it.
5947         (initiate_automaton_gen): Ditto.
5948         (write_automata): Output statistics only if stats_flag is
5949         set. Likewise, output time statistics only if time_flag is set.
5950         * doc/md.texi (Processor pipeline description): Document new flag.
5952 2007-01-08  Richard Guenther  <rguenther@suse.de>
5954         * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
5955         * tree.c (build_int_cst_type): Likewise.
5956         (size_in_bytes): Don't call force_fit_type on the result.
5957         (int_fits_type_p): Use fit_double_type.
5958         * fold-const.c (fit_double_type): New function.
5959         (force_fit_type): Use it.
5960         * tree.h (fit_double_type): Export.
5962 2007-01-08  Jan Hubicka  <jh@suse.cz>
5964         * tree-vectorizer.c (gate_increase_alignment): Fix return type.
5965         * ipa.c (function_and_variable_visibility): Fix return type.
5967 2007-01-08  Richard Guenther  <rguenther@suse.de>
5969         * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
5970         of offset to build the index.
5971         * tree-pretty-print.c (dump_generic_node): Don't build negated
5972         const just for printing.
5973         * c-pretty-print.c (pp_c_integer_constant): Likewise.
5974         * builtins.c (fold_builtin_int_roundingfn): Check if result
5975         fits the type by using force_fit_type and comparing the result.
5976         * predict.c (predict_loops): Use compare_tree_int for comparison.
5977         * tree.c (build_int_cst): Fall back to integer_type_node for
5978         NULL_TREE type.
5979         (build_int_cst_wide): Assert type is non-null.
5981 2007-01-08  Roberto Costa  <roberto.costa@st.com>
5983         * tree-vrp.c (extract_range_from_cond_expr): New.
5984         (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
5985         * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
5986         as expressions.
5987         (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
5988         * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
5989         tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
5990         used as expressions.
5991         * tree-object-size.c (cond_expr_object_size): New.
5992         (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
5994 2007-01-08  Jan Hubicka  <jh@suse.cz>
5996         * tree-ssa-forwprop.c (forward_propagate_into_cond,
5997         tree_ssa_forward_propagate_single_use_va): Release defs of propagated
5998         statement.
6000 2007-01-08  Richard Guenther  <rguenther@suse.de>
6002         PR tree-optimization/23603
6003         * tree-vrp.c (set_value_range_to_truthvalue): New function.
6004         (extract_range_from_binary): Fall back to truthvalue instead of
6005         varying for TRUTH_*_EXPR.
6006         (extract_range_from_comparison): Fall back to truthvalue instead of
6007         varying.
6008         (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
6009         if all visited PHI values were constant.
6011 2007-01-08  Jan Hubicka  <jh@suse.cz>
6013         * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
6014         (cgraph_analyze_function): break out from ...
6015         (cgraph_finalize_compilation_unit): ... here.
6016         (cgraph_expand_function): Remove forgoten commented out line.
6017         (cgraph_optimize): Analyze functions.
6019 2007-01-08  Jan Hubicka  <jh@suse.cz>
6021         * tree-pas.h (TODO_remove_function): New flag.
6022         (TODO_update*): Renumber.
6023         (pass_ipa_increase_alignment,
6024         pass_ipa_function_and_variable_visibility): New passes.
6025         * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
6026         (cgraph_function_and_variable_visibility): Move to ipa.c
6027         (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
6028         cgraph_increase_alignment.
6029         * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
6030         (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
6031         calling tree-inline.
6032         (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
6033         (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
6034         * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
6035         (gate_increase_alignment): New function.
6036         (pass_ipa_increase_alignment): New pass.
6037         * ipa.c: Inline tree-pass.h and timevar.h
6038         (function_and_variable_visibility): Move here from cgraphunit.c
6039         * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
6040         * passes.c (init_optimization_passes): Add the two new passes.
6041         (execute_todo): Handle cgraph_remove_functions.
6043 2007-01-08  Nick Clifton  <nickc@redhat.com>
6045         * config/frv/predicates.md (reg_or_0_operand): Accept
6046         CONST_DOUBLEs.
6048 2007-01-08  Ralf Corsépius <ralf.corsepius@rtems.org>
6050         * config/bfin/rtems.h, config/bfin/t-rtems: New.
6051         * config.gcc: Add bfin*-rtems*.
6053 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
6055         * c.opt: Add -flax-vector-conversions.
6056         * c-typeck.c (convert_for_assignment): Pass flag to
6057         vector_types_convertible_p to allow emission of note.
6058         (digest_init): Likewise.
6059         * c-opts.c: Handle -flax-vector-conversions.
6060         * c-common.c (flag_lax_vector_conversions): New.
6061         (vector_types_convertible_p): Unless -flax-vector conversions
6062         has been passed, disallow conversions between vectors with
6063         differing numbers of subparts and/or element types.  If such
6064         a conversion is disallowed, possibly emit a note on the first
6065         occasion only to inform the user of -flax-vector-conversions.
6066         The new last argument specifies this.
6067         * c-common.h (flag_lax_vector_conversions): New.
6068         (vector_types_convertible_p): Add extra argument.
6069         * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
6070         char_type_node for V*QI type vectors.
6071         * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
6072         Update to satisfy new typechecking rules.
6073         * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
6074         C and C++ variants.
6075         * doc/invoke.texi (C Dialect Options): Document
6076         -flax-vector-conversions.
6078 2007-01-08  Mark Shinwell  <shinwell@codesourcery.com>
6080         PR tree-optimization/29877
6081         * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
6082         a register variable on the RHS to not be replaceable.
6084 2007-01-08  Chen Liqin  <liqin@sunnorth.com.cn>
6085         * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
6086         * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
6087         const_simm15, const_pow2, const_npow2): Added.
6088         * config/score/misc.md (insv, extv, extzv, movmemsi,
6089         move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
6090         * config/score/score.c (score_address_cost, score_select_cc_mode):
6091         Added.
6092         Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
6093         Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
6094         Update score_print_operand.
6095         * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
6096         Adjust register allocate order and update some macro define.
6097         * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
6098         mdx_block_move_straight, mdx_block_move_loop_head,
6099         mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
6100         mdx_block_move): Added.
6101         (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
6102         mdp_limm): Updated and fix some bug and typo.
6103         * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
6104         (movsf, movdf, doloop_end): Added.
6106 2007-01-08  Kazu Hirata  <kazu@codesourcery.com>
6108         * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
6109         config/arm/thumb2.md: Fix comment typos.
6110         * doc/extend.texi: Fix a typo.
6112 2007-01-07  Eric Christopher  <echristo@apple.com>
6114         * configure.ac: Check for __stack_chk_fail for darwin.
6115         * configure: Regenerate.
6117 2007-01-07  Richard Guenther  <rguenther@suse.de>
6119         * tree-vrp.c (extract_range_from_assert): CSE calls to
6120         compare_values where possible.
6121         (extract_range_from_unary_expr): Likewise.
6123 2007-01-07  Anatoly Sokolov <aesok@post.ru>
6125         * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
6126         * config/avr/avr.c (call_insn_operand): Delete function.
6127         * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
6128         instead of register number. Use predicates.
6129         * config/avr/predicates.md (const0_operand, reg_or_0_operand,
6130         call_insn_operand): Add.
6132 2007-01-06  Jan Hubicka  <jh@suse.cz>
6134         * tree-pass.h (pass_build_cgraph_edges): Declare.
6135         * cgraphunit.c (record_refernece): Move to cgraphbuild.c
6136         (visited_nodes): Remove.
6137         (cgraph_create_edges): Move to cgraphbuild.c; rename to
6138         build_cgrpah_edges; make visited_nodes local.
6139         (cgraph_process_new_functions): DO not call initialize_inline_failed.
6140         (record_references_in_initializer): Move to cgraphbuild.c
6141         (initialize_inline_failed, rebuild_cgraph_edges,
6142         pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
6143         (verify_cgraph_node): Make visited_nodes local.
6144         (cgraph_analyze_function): Do not call cgraph_create_edges and
6145         initialize_inline_failed.
6146         (cgraph_expand_function): Do not call cgraph_lower_function;
6147         assert that function is already lowered.
6148         * Makefile.in (cgraphbuild.o): New.
6149         * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
6150         at the end of lowering passes.
6152 2007-01-06  Steven Bosscher  <steven@gcc.gnu.org>
6154         * ifcvt.c (cond_move_convert_if_block): New function, code
6155         factored out from...
6156         (cond_move_process_if_block): ...here.  Call the new function
6157         on the THEN and ELSE blocks.
6158         (merge_if_block): Do not copy global_live_at_end, merge_blocks
6159         already takes care of this.
6161 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6163         PR c/19978
6164         * tree.h (TREE_OVERFLOW_P): New.
6165         * c-typeck.c (parser_build_unary_op): Warn only if result
6166         overflowed and operands did not.
6167         (parser_build_binary_op): Likewise.
6168         (convert_for_assignment): Remove redundant overflow_warning.
6169         * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
6171 2007-01-05  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6173         * c-typeck.c (store_init_value): Split over two lines to follow
6174         the GNU coding style.
6176 2007-01-05  Benjamin Kosnik  <bkoz@redhat.com>
6178         * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
6179         __GXX_EXPERIMENTAL_CXX0X__.
6180         * doc/cpp.texi: Same.
6182 2007-01-05  Richard Guenther  <rguenther@suse.de>
6184         PR middle-end/27826
6185         * tree.c (get_narrower): Do not construct COMPONENT_REFs
6186         with mismatched types.  Instead explicitly build a
6187         conversion NOP_EXPR.
6189 2007-01-05  Ian Lance Taylor  <iant@google.com>
6191         * c-common.c (decl_with_nonnull_addr_p): New function.
6192         (c_common_truthvalue_conversion): Call it.
6193         * c-typeck.c (build_binary_op): Likewise.
6194         * c-common.h (decl_with_nonnull_addr_p): Declare.
6196 2007-01-05  Jakub Jelinek  <jakub@redhat.com>
6198         PR c/30360
6199         * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
6200         denom against 0.0.
6202 2007-01-05  Joel Brobecker  <brobecker@adacore.com>
6204         * doc/install.texi (Final install): Document the fact that
6205         the GNAT runtime should not be stripped.
6207 2007-01-04  Jan Hubicka  <jh@suse.cz>
6209         * tree-inline.c (fold_marked_statements): Update operand caches
6210         and EH after folding
6212 2007-01-04  Ian Lance Taylor  <iant@google.com>
6214         * c-common.c (check_function_nonnull): Whitespace fix.
6216 2007-01-04  Jan Hubicka  <jh@suse.cz>
6218         * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
6219         comitted older version of patch.
6220         (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
6221         function, celanup cfg and collect garbage.
6223 2007-01-04  Mike Stump  <mrs@apple.com>
6225         * Makefile.in (mostlyclean): Don't remove libgcc anymore.
6226         (clean): Likewise.
6228 2007-01-04  Eric Christopher  <echristo@apple.com>
6230         * libgcc2.c (__bswapsi2): Use SItype.
6231         (__bswapdi2): Use DItype.
6232         * libgcc2.h: Update for above.
6234 2007-01-04  Paul Brook  <paul@codesourcery.com>
6236         * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
6237         mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
6238         mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
6239         umulsidi3, umulsidi3adddi, smulsi3_highpart,
6240         umulsi3_highpart): Make conditional on !arm_arch6.
6241         (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
6242         mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
6243         mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
6244         umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
6245         umulsi3_highpart_v6): New insns.
6247 2007-01-04  Roger Sayle  <roger@eyesopen.com>
6249         * fold-const.c (fold_convert): When casting an expression to void,
6250         fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
6251         have a type.  Instead of attempting to build a NOP_EXPR, return
6252         these "special" trees directly.
6254 2007-01-04  Joseph Myers  <joseph@codesourcery.com>
6256         * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
6257         MULT inside MINUS as either argument.  Use rs6000_cost->dmul -
6258         rs6000_cost->fp not 0 as adjustment for outer NEG.
6260 2007-01-04  Jan Hubicka  <jh@suse.cz>
6262         * cgraph.c (cgraph_release_function_body): New function.
6263         (cgraph_remove_node): Use it.
6264         * cgraph.h (cgraph_release_function_body): Declare.
6265         * cgraphunit.c (cgraph_expand_function): Use it.
6266         * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
6267         * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
6268         is initialized and while compilation of other function is running.
6269         * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
6270         statement CFG annotations from here to ...
6271         * tree-cfg.c (delete_tree_cfg_annotations): ... here.
6273 2007-01-04  Zdenek Dvorak <dvorakz@suse.cz>
6275         * cfgloop.h (enum li_flags): Make the constants powers of two.
6277 2007-01-04  Jan Hubicka  <jh@suse.cz>
6279         * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
6280         set.
6281         (fold_marked_statements): New function.
6282         (optimize_inline_calls, tree_function_versioning): Fold new statements.
6283         * tree-inline.h (copy_body_data): Add statements_to_fold.
6285 2007-01-03  Daniel Jacobowitz  <dan@codesourcery.com>
6287         * config.gcc: Mention libgcc/config.host.
6288         * Makefile.in: Update comments mentioning libgcc.
6289         (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
6290         (all.cross, start.encap, rest.encap, rest.cross): Update
6291         dependencies for libgcc move.
6292         (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
6293         (clean-target, clean-target-libgcc): Delete.
6294         (srcdirify, GCC_EXTRA_PARTS): New macros.
6295         (libgcc-support, libgcc.mvars): New rules.
6296         (distclean): Remove mention of mklibgcc.
6297         (install): Don't reference INSTALL_LIBGCC.
6298         (install-common): Don't reference EXTRA_PARTS.
6299         (install-libgcc, install-multilib): Delete rules.
6300         * mklibgcc.in: Delete file.
6301         * doc/configfiles.texi: Don't mention mklibgcc.
6303         * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
6304         * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
6305         * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
6306         * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
6307         (mklibgcc, ldblspecs): Likewise.
6309         * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
6310         (posixpre.def): Use $(T).
6311         (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
6312         (SHLIB_SRC, SHLIB_INSTALL): Delete.
6313         (SHLIB_LINK): Make dummy.
6314         * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
6316         * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
6318         * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
6319         * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
6320         config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
6321         config/rs6000/t-newas, config/sparc/t-elf: Likewise.
6323         * configure.ac (all_outputs): Remove mklibgcc.
6324         * configure: Regenerated.
6326 2007-01-03  Josh Conner  <jconner@apple.com>
6328         PR middle-end/29683
6329         * calls.c (compute_argument_addresses): Set stack and stack_slot
6330         for partial args, too.
6331         (store_one_arg): Use locate.size.constant for the size when
6332         generating a save_area.
6334 2007-01-03  Robert Kennedy <jimbob@google.com>
6336         * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
6337         whose definitions are deleted due to basic block merging.
6339 2007-01-03  Paul Brook  <paul@codesourcery.com>
6341         PR target/16634
6342         * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
6343         functions.
6344         (use_return_insn): Return 0 for Thumb interrupt functions.
6345         (print_multi_reg): Add rfe argument for IRQ returns.
6346         (arm_output_epilogue): Pop interrupt return address directly into PC.
6347         (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
6349 2007-01-03  Paul Brook  <paul@codesourcery.com>
6351         Merge from sourcerygxx-4_1.
6352         * config/arm/thumb2.md: New file.
6353         * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
6354         Thumb-2.
6355         * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
6356         * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6357         (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
6358         * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
6359         tables.
6360         (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6361         * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
6362         comptibility.
6363         * config/arm/ieee754-sf.S: Ditto.
6364         * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
6365         (thumb1_base_register_rtx_p): ... to this.
6366         (thumb_index_register_rtx_p): Rename...
6367         (thumb1_index_register_rtx_p): ... to this.
6368         (thumb_output_function_prologue): Rename...
6369         (thumb1_output_function_prologue): ... to this.
6370         (thumb_legitimate_address_p): Rename...
6371         (thumb1_legitimate_address_p): ... to this.
6372         (thumb_rtx_costs): Rename...
6373         (thumb1_rtx_costs): ... to this.
6374         (thumb_compute_save_reg_mask): Rename...
6375         (thumb1_compute_save_reg_mask): ... to this.
6376         (thumb_final_prescan_insn): Rename...
6377         (thumb1_final_prescan_insn): ... to this.
6378         (thumb_expand_epilogue): Rename...
6379         (thumb1_expand_epilogue): ... to this.
6380         (arm_unwind_emit_stm): Rename...
6381         (arm_unwind_emit_sequence): ... to this.
6382         (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
6383         thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
6384         thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
6385         arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
6386         thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
6387         thumb2_output_casesi): New functions.
6388         (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
6389         (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
6390         FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
6391         THUMB2_WORK_REGS): Define.
6392         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
6393         arm_condexec_mask, arm_condexec_masklen)): New variables.
6394         (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
6395         (arm_override_options): Check new CPU capabilities.
6396         Set new architecture flag variables.
6397         (arm_isr_value): Handle v7m interrupt functions.
6398         (user_return_insn): Return 0 for v7m interrupt functions.  Handle
6399         Thumb-2.
6400         (const_ok_for_arm): Handle Thumb-2 constants.
6401         (arm_gen_constant): Ditto.  Use movw when available.
6402         (arm_function_ok_for_sibcall): Return false for v7m interrupt
6403         functions.
6404         (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
6405         (thumb_find_work_register, arm_load_pic_register,
6406         legitimize_tls_address, arm_address_cost, load_multiple_sequence,
6407         emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
6408         print_multi_reg, output_mov_long_double_fpa_from_arm,
6409         output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
6410         output_mov_double_fpa_from_arm, output_move_double,
6411         arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
6412         output_return_instruction, arm_output_function_prologue,
6413         arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
6414         arm_output_mi_thunk, thumb_set_return_address): Ditto.
6415         (arm_expand_prologue): Handle Thumb-2.  Use arm_save_coproc_regs.
6416         (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
6417         (arithmetic_instr, shift_op): Use arm_shift_nmem.
6418         (arm_print_operand): Use arm_print_condition.  Handle '(', ')', '.',
6419         '!' and 'L'.
6420         (arm_final_prescan_insn): Use extract_constrain_insn_cached.
6421         (thumb_expand_prologue): Use thumb_set_frame_pointer.
6422         (arm_file_start): Output directive for unified syntax.
6423         (arm_unwind_emit_set): Handle stack alignment instruction.
6424         * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
6425         Add v6t2, v7, v7a, v7r and v7m.
6426         (RETLDM): Add Thumb-2 code.
6427         (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
6428         * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
6429         (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
6430         TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
6431         THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
6432         ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
6433         THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
6434         CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
6435         ADJUST_INSN_LENGTH): Define.
6436         (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
6437         STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
6438         BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
6439         PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
6440         SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6441         TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
6442         HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
6443         HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
6444         REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
6445         REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
6446         LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
6447         GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
6448         ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
6449         FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
6450         PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
6451         (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
6452         * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
6453         cortex-m3.
6454         * config/arm/arm-tune.md: Regenerate.
6455         * config/arm/arm-protos.h: Update prototypes.
6456         * config/arm/vfp.md: Enable patterns for Thumb-2.
6457         (arm_movsi_vfp): Add movw alternative.  Use output_move_vfp.
6458         (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
6459         (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
6460         thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
6461         * config/arm/libunwind.S: Add Thumb-2 code.
6462         * config/arm/constraints.md: Update include Thumb-2.
6463         * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
6464         * config/arm/ieee754-df.S: Ditto.
6465         * config/arm/bpabi.S: Ditto.
6466         * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
6467         * config/arm/predicates.md (low_register_operand,
6468         low_reg_or_int_operand, thumb_16bit_operator): New.
6469         (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
6470         (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
6471         * config/arm/t-arm-elf: Add armv7 multilib.
6472         * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
6473         Include thumb2.md.
6474         (UNSPEC_STACK_ALIGN, ce_count): New.
6475         (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
6476         arm_zero_extendsidi2, arm_zero_extendqidi2): New
6477         insns/expanders.
6478         * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
6479         (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
6480         thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
6481         * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
6482         (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
6483         thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
6484         insns.
6485         * doc/extend.texi: Document ARMv7-M interrupt functions.
6486         * doc/invoke.texi: Document Thumb-2 new cores+architectures.
6488 2007-01-03  Jakub Jelinek  <jakub@redhat.com>
6490         * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
6491         (struct _Unwind_Context): Rename args_size to flags, remove
6492         signal_frame field, add a new args_size field and version field.
6493         (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
6494         _Unwind_IsExtendedContext): New inline functions.
6495         (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6496         Assume by_value array is only present if _Unwind_IsExtendedContext.
6497         (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
6498         _Unwind_IsSignalFrame.
6499         (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
6500         (uw_update_context_1): Use _Unwind_SetSignalFrame.
6501         (uw_init_context_1): Initialize context->flags to
6502         EXTENDED_CONTEXT_BIT.
6503         * config/rs6000/linux-unwind.h (frob_update_context): Use
6504         _Unwind_SetSignalFrame.
6506 2007-01-03  Andrew Pinski  <andrew_pinski@playstation.sony.com>
6508         PR middle-end/30353
6509         * gimplify.c (gimplify_modify_expr_complex_part): Move below
6510         tree_to_gimple_tuple.  Call tree_to_gimple_tuple when we need
6511         the value.
6513 2007-01-03  Kazu Hirata  <kazu@codesourcery.com>
6515         * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
6516         REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
6517         RET, AT_SP): Remove.
6518         * config/i386/i386.md (*sse_prologue_save_insn): Use return
6519         instead of RET.
6521         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6522         * cfgbuild.c (find_basic_blocks): Likewise.
6523         * cfgrtl.c (rtl_create_basic_block): Likewise.
6524         * function.c (temp_slots_at_level): Likewise.
6525         * reg-stack.c (stack_regs_mentioned): Likewise.
6526         * regclass.c (allocate_reg_info): Likewise.
6527         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6528         set_bb_for_stmt, move_block_to_fn): Likewise.
6529         * tree-complex.c (tree_lower_complex): Likewise.
6530         * vec.h (VEC_safe_grow_cleared): New.
6532         * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
6534 2007-01-03  Zdenek Dvorak <dvorakz@suse.cz>
6536         * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
6537         * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
6538         to loop_version.
6539         * cfgloopmanip.c (scale_loop_frequencies): Export.
6540         (loopify): Scale the frequencies by prescribed coefficients.
6541         (set_zero_probability): New function.
6542         (duplicate_loop_to_header_edge): Improve updating of frequencies.
6543         (lv_adjust_loop_entry_edge, loop_version): Set probabilities
6544         and frequencies according to arguments.
6545         * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
6546         correctly.
6547         * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
6548         * modulo-sched.c (sms_schedule): Set probabilities for entering
6549         versioned loop correctly.
6550         * tree-vect-transform.c (vect_transform_loop): Ditto.
6551         * cfgloop.h (loopify, loop_version): Declaration changed.
6552         (scale_loop_frequencies): Declared.
6554 2007-01-02  Jan Hubicka  <jh@suse.cz>
6556         * cgraph.c: Include tree-flow.h
6557         (cgraph_add_new-function): Handle IPA_SSA mode; execute
6558         early_local_passes.
6559         * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
6560         * tree-pass.h (pass_all_early_optimizations): Declare.
6561         * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
6562         early_local_passes.
6563         (cgraph_analyze_function): Do early_local_passes.
6564         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6565         Do not add referenced vars.
6566         * tree-optimize.c (gate_all_optimizations): Do not execute when not in
6567         SSA form.
6568         (gate_all_early_local_passes): New gate.
6569         (pass_early_local_passes): Use new gate.
6570         (execute_early_local_optimizations): New functions.
6571         (gate_all_early_optimizations): New gate.
6572         (pass_all_early_optimizations): New pass.
6573         (execute_free_datastructures): Free SSA only when initialized.
6574         (gate_init_datastructures): Init only when optimizing.
6575         (tree_lowering_passes): Do early local passes when called late.
6576         * tree-profile.c (do_tree_profiling): Don't profile functions added
6577         late.
6578         (do_early_tree_profiling, pass_early_tree_profile): Kill.
6579         * tree-cfg.c (update_modified_stmts): Do not update when operands are
6580         not active.
6581         * passes.c (init_optimizations_passes): Reorder so we go into SSA
6582         during early_local_passes.
6583         * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
6586 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6588         * Makefile.in: Update copyright year.
6590 2007-01-02  Carlos O'Donell  <carlos@codesourcery.com>
6592         * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
6593         in $(lang_checks) and check-consistency targets.
6595 2007-01-02  Jan Hubicka  <jh@suse.cz>
6597         * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6598         Do not add referenced vars.
6599         * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
6600         are not active.
6601         * passes.c (init_optimization_passes): Put mudflap_2 after
6602         free_datastructures.
6604 2007-01-02  Jan Hubicka  <jh@suse.cz>
6606         * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
6607         Set NOTHROW flag on call statements proved to be nothrow.
6608         Update statement of local calls so new pure/const functions are
6609         updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
6610         goto receivers.
6611         (tree_rest_of_compilation): Register hooks and initialize bitmap
6612         early. Do not set after_inlining flag.
6614 2007-01-02  Steve Ellcey  <sje@cup.hp.com>
6616         * sbitmap.c (HOST_BITS_PER_LONG_LONG):  Change to
6617         HOST_BITS_PER_LONGLONG
6619 2007-01-02  Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6621         PR c/19977
6622         * c-typeck.c (store_init_value): Don't emit pedantic overflow
6623         warning for non-static initializers.
6625 2007-01-02  Steven Bosscher  <steven@gcc.gnu.org>
6627         * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
6628         m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
6629         rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
6630         Always use set_unique_reg_note to add REG_EQUAL notes.
6632 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6634         Revert:
6635         2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6637         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6638         * cfgbuild.c (find_basic_blocks): Likewise.
6639         * cfgrtl.c (rtl_create_basic_block): Likewise.
6640         * function.c (temp_slots_at_level): Likewise.
6641         * reg-stack.c (stack_regs_mentioned): Likewise.
6642         * regclass.c (allocate_reg_info): Likewise.
6643         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6644         set_bb_for_stmt, move_block_to_fn): Likewise.
6645         * tree-complex.c (tree_lower_complex): Likewise.
6646         * vec.h (VEC_safe_grow_cleared): New.
6648 2007-01-02  Ian Lance Taylor  <iant@google.com>
6650         * c-common.c (c_common_truthvalue_conversion): When warning about
6651         using an assignment as a truth value, set TREE_NO_WARNING.
6653 2007-01-02  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
6655         PR middle-end/7651
6656         * c.opt (Wold-style-declaration): New.
6657         * doc/invoke.texi (C-only Warning Options): New.
6658         (Wold-style-declaration): Document it.
6659         (Wextra): Enabled by -Wextra.
6660         * c-opts.c (c_common_post_options): Enabled by -Wextra.
6661         * c-decl.c (declspecs_add_scspec): Replace -Wextra with
6662         -Wold-style-declaration.
6664 2007-01-02  Kazu Hirata  <kazu@codesourcery.com>
6666         * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6667         * cfgbuild.c (find_basic_blocks): Likewise.
6668         * cfgrtl.c (rtl_create_basic_block): Likewise.
6669         * function.c (temp_slots_at_level): Likewise.
6670         * reg-stack.c (stack_regs_mentioned): Likewise.
6671         * regclass.c (allocate_reg_info): Likewise.
6672         * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6673         set_bb_for_stmt, move_block_to_fn): Likewise.
6674         * tree-complex.c (tree_lower_complex): Likewise.
6675         * vec.h (VEC_safe_grow_cleared): New.
6677 2007-01-02  Douglas Gregor  <doug.gregor@gmail.com>
6679         * c-common.c (c_common_nodes_and_builtins): Since variants of
6680         void_type_node get built before it is given a name, we need to
6681         give those variants the name, too.
6682         (complete_array_type): We need to work with the canonical main
6683         type of the array, from which we will build the qualified version.
6684         * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
6685         * print-tree.c (print_node): Display canonical type information
6686         for each type.
6687         * stor-layout.c (layout_type): When we don't know the
6688         alignment of a type for which we're building an array, we end up
6689         guessing wrong, so make the type require structural equality.
6690         * tree.c (make_node_stat): When we build a new type, it is its
6691         own canonical type.
6692         (build_type_attribute_qual_variant): When building an attribute
6693         variant, its canonical type is the non-attribute variant. However,
6694         if the attributes are target-dependent and they differ, we need to
6695         use structural equality checks for this type.
6696         (build_qualified_type): A qualified type is not equivalent to its
6697         unqualified variant; set the canonical type appropriately.
6698         (build_distinct_type_copy): When building a distinct type from
6699         another type, the new type is its own canonical type.
6700         (build_variant_type_copy): When building a new type variant, we
6701         assume that it is equivalent to the original type.
6702         (build_pointer_type_for_mode): When building a pointer type, also
6703         build a canonical type pointer.
6704         (build_reference_type_for_mode): When building a reference type,
6705         also build a canonical type reference.
6706         (build_index_type): When we can't hash an index type (e.g.,
6707         because its maximum value is negative), the index type requires
6708         structural equality tests.
6709         (build_array_type): Build the canonical form of an array type.
6710         (build_function_type): Function types require structural equality,
6711         because they contain default arguments, attributes, etc.
6712         (build_method_type_directly): Ditto for method types.
6713         (build_offset_type): Build the canonical offset type.
6714         (build_complex_type): Build the canonical vector type.
6715         (make_vector_type): Build the canonical vector type.
6716         * tree.h (TYPE_CANONICAL): New.
6717         (TYPE_STRUCTURAL_EQUALITY_P): New.
6718         (SET_TYPE_STRUCTURAL_EQUALITY): New.
6719         (struct tree_type): Added "canonical" field.
6720         * params.h (VERIFY_CANONICAL_TYPES): New.
6721         * doc/c-tree.texi (TYPE_CANONICAL): Document.
6722         (TYPE_STRUCTURAL_EQUALITY_P): Document.
6723         (SET_TYPE_STRUCTURAL_EQUALITY): Document.
6724         * doc/invoke.texi (verify-canonical-types): Document --param
6725         parameter for verifying canonical types.
6727 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6729         * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
6730         powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
6731         powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
6732         powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
6733         tm_file.
6734         * config/rs6000/e500.h: New.
6735         * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
6736         TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
6737         Remove.
6738         * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
6739         TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
6740         TARGET_E500_DOUBLE): Remove.
6741         * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
6742         TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
6743         * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
6744         * config/rs6000/rs6000.c (rs6000_override_options): Use
6745         CHECK_E500_OPTIONS.
6747 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6749         * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
6750         TARGET_E500_DOUBLE), not TARGET_E500, for %y.
6751         (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
6752         rs6000_emit_cmove): Don't check TARGET_E500.
6753         * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
6754         sordered): Don't check TARGET_E500.
6756 2007-01-01  Eric Christopher  <echristo@apple.com>
6758         * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
6759         HARD_REGISTER_NUM_P.
6761 2007-01-01  Roger Sayle  <roger@eyesopen.com>
6763         * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
6764         "X eq/ne (C1^C2)".  Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
6765         has no side-effects.  Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
6766         eq/ne Y".
6768 2007-01-01  Mike Stump  <mrs@apple.com>
6770         * configure.ac: Remove support for building with Apple's gcc-3.1.
6772 2007-01-02  Joseph Myers  <joseph@codesourcery.com>
6774         PR middle-end/30311
6775         * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
6776         REG is a hard register.  Do not modify REG before calling
6777         subreg_nregs.
6778         * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
6779         multiple of the size of YMODE for certain lowpart cases.
6781 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6783         PR middle-end/30253
6784         * gimplify (voidify_wrapper_expr): Update for
6785         GIMPLE_MODIFY_STMT.
6787 2007-01-01  Andreas Schwab  <schwab@suse.de>
6789         PR target/29166
6790         * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6791         save of BR0 in extra_spill_size instead of spill_size.
6792         (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6793         area.
6794         (ia64_expand_epilogue): Restore BR0 from its new location.
6796 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6798         * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6799         Use a temporary variable if the left hand side is not a gimple
6800         register.
6802 2007-01-01  Andrew Pinski  <pinskia@gmail.com>
6804         * gimplify.c (gimplify_return_expr): Make the temporary variable
6805         for the return expression, a gimple register variable.
6807 2007-01-01  Jan Hubicka  <jh@suse.cz>
6809         * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6810         INSN_LIST.
6812 2007-01-01  Mike Stump  <mrs@apple.com>
6814         * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6815         .literal16.
6816         * config/darwin.c (machopic_select_rtx_section): Use
6817         HAVE_GAS_LITERAL16.
6818         (darwin_mergeable_constant_section): Likewise.
6819         * configure: Regenerate.
6820         * config.in: Regenerate.
6822 2007-01-01  Jan Hubicka  <jh@suse.cz>
6823             Andrew Pinski  <pinskia@gmail.com>
6825         * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6826         before starting IPA passes.