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1 2007-02-26  Brooks Moses  <brooks.moses@codesourcery.com>
2
3         * doc/include/gcc-common.texi (versionsubtitle): New macro.
4         * doc/cpp.texi: Standardize title page.
5         * doc/cppinternals.texi: Likewise.
6         * doc/gcc.texi: Standardize title page, remove version number
7         from copyright page.
8         * doc/gccint.texi: Likewise.
9         * doc/install.texi: Standardize title page, add table of
10         contents.
11
12 2007-02-26  Jan Hubicka  <jh@suse.cz>
13
14         * predict.def: Set outcomes according to more recent results.
15         (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
16         Remove dead predictors.
17         * predict.c (return_prediction): Fix pasto.
18
19 2007-02-27  Bernd Schmidt  <bernd.schmidt@analog.com>
20
21         * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
22         change; avoid a memory leak when returning early.
23         
24 2007-02-26  Mark Mitchell  <mark@codesourcery.com>
25
26         * c-decl.c (static_ctors): Move to c-common.c.
27         (static_dtors): Likewise.
28         (finish_function): Use c_record_cdtor_fn.
29         (build_cdtor): Move to c-common.c.
30         (c_write_global_declarations): Use c_build_cdtor_fns.
31         * c-common.h (static_ctors): Declare.
32         (static_dtors): Likewise.
33         (c_record_cdtor_fn): Likewise.
34         (c_build_cdtor_fns): Likewise.
35         * c-common.c (static_ctors): New variable.
36         (static_dtors): Likewise.
37         (c_record_cdtor_fn): New function.
38         (build_cdtor): Move from c-decl.c
39         (c_build_cdtor_fns): New function.
40
41         * output.h (assemble_addr_to_section): Declare.
42         (get_cdtor_priority_section): Likewise.
43         * varasm.c (assemble_addr_to_section): New function.
44         (get_cdtor_priority_section): Likewise.
45         (default_named_section_asm_out_destructor): Use them.
46         (destor_dtor_section_asm_out_destructor): Likewise.
47         (default_named_section_asm_out_constructor): Likewise.
48         (default_ctor_section_asm_out_constructor): Likewise.
49         * config.gcc (*-*-vxworks*): Include vxworks.o.
50         * config/t-vxworks (vxworks.o): New target.
51         * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
52         (TARGET_ASM_CONSTRUCTOR): Define.
53         (TARGET_ASM_DESTRUCTOR): Likewise.
54         (vxworks_asm_out_constructor): Declare.
55         (vxworks_asm_out_destructor): Likewise.
56
57         * c-common.c (get_priority): Check that we have not just an
58         INTEGER_CST, but an integer constant with integeral type.
59
60 2007-02-25  Uros Bizjak  <ubizjak@gmail.com>
61
62         PR tree-optimization/30938
63         * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
64         use &dt[nargs-1] instead of &dt[nargs] in the call to
65         vect_is_simple_use().
66
67 2007-02-25  Ulrich Weigand  <uweigand@de.ibm.com>
68
69         * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
70         from register elimination as PRE_MODIFY / POST_MODIFY increments.
71         Do not attempt to handle MEM inside auto-inc expressions.
72         * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
73         of a register modified by an auto-inc expression.  However, do handle
74         elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
75         (elimination_effects): Prohibit elimination of a register modified
76         by an auto-inc expression.  Disable register elimination rules whose
77         target register is modified by an auto-inc expression with variable
78         increment.
79
80 2007-02-25  Zdenek Dvorak  <dvorakz@suse.cz>
81
82         * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
83         off-by-one error.
84         (array_at_struct_end_p): New function.
85         (idx_infer_loop_bounds): Use it.
86         (estimate_numbers_of_iterations_loop): Export.
87         * predict.c (predict_loops): Use estimated_loop_iterations_int.
88         Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
89         (tree_estimate_probability): Call record_loop_exits.
90         * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
91         (estimated_loop_iterations, estimated_loop_iterations_int,
92         estimated_loop_iterations_tree): New functions.
93         (analyze_siv_subscript_cst_affine,
94         compute_overlap_steps_for_affine_1_2,
95         analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
96         (analyze_miv_subscript): Use estimated_loop_iterations_tree.
97         * predict.def (PRED_LOOP_ITERATIONS): Update comment.
98         (PRED_LOOP_ITERATIONS_GUESSED): New.
99         * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
100         * cfgloop.h (estimate_numbers_of_iterations_loop,
101         estimated_loop_iterations_int): Declare.
102
103 2007-02-25  Mark Mitchell  <mark@codesourcery.com>
104
105         * doc/extend.texi: Document optional priority argument to
106         constructors and destructors.
107         * tree.c (init_priority_for_decl): Adjust GTY markers.
108         (init_ttree): Use priority-info hash functions for
109         init_priority_for_decl.
110         (tree_map_eq): Rename to ...
111         (tree_map_base_eq): ... this.
112         (tree_map_marked_p): Rename to ...
113         (tree_map_base_marked_p): ... this.
114         (tree_map_base_hash): New function.
115         (decl_init_priority_lookup): Rework.
116         (decl_fini_priority_lookup): New function.
117         (decl_priority_info): New function.
118         (decl_init_priority_insert): Use it.
119         (decl_fini_priority_insert): Likewise.
120         (decl_restrict_base_lookup): Adjust for refactoring of tree_map
121         hierarchy.
122         (decl_restrict_base_insert): Likewise.
123         (decl_debug_expr_insert): Likewise.
124         (decl_value_expr_lookup): Likewise.
125         (decl_value_expr_insert): Likewise.
126         * tree.h (priority_type): New type.
127         (decl_init_priority_lookup): Use priority_type.
128         (decl_fini_priority_lookup): New function.
129         (decl_init_priority_insert): Use priority_type.
130         (decl_fini_priority_insert): New function.
131         (DECL_HAS_INIT_PRIORITY): Tweak comments.
132         (DECL_INIT_PRIORITY): Likewise.
133         (SET_DECL_INIT_PRIORITY): Add comment.
134         (DECL_FINI_PRIORITY): New macro.
135         (SET_DECL_FINI_PRIORITY): Likewise.
136         (DEFAULT_INIT_PRIORITY): Document.
137         (MAX_INIT_PRIORITY): Likewise.
138         (MAX_RESERVED_INIT_PRIORITY): Likewise.
139         (tree_map_base): New type.
140         (tree_map_base_eq): New function.
141         (tree_map_base_hash): Likewise.
142         (tree_map_base_marked_p): Likewise.
143         (tree_map): Inherit from tree_map_base.
144         (tree_map_eq): Make it a macro.
145         (tree_map_marked_p): Likewise.
146         (tree_int_map): Inherit from tree_map_base.
147         (tree_int_map_eq): Make it a macro.
148         (tree_int_map_hash): Likewise.
149         (tree_int_map_marked_p): Likewise.
150         (tree_priority_map): New type.
151         (tree_priority_map_eq): New macro.
152         (tree_priority_map_hash): Likewise.
153         (tree_priority_map_marked_p): Likewise.
154         * varasm.c (emults_decl): Adjust for refactoring of tree_map
155         hierarchy.
156         (emutls_common_1): Likewise.
157         * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
158         * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
159         of tree_map hierarchy.
160         * tree-cfg.c (move_stmt_r): Likewise.
161         (new_label_mapper): Likewise.
162         * c-tree.h (c_expand_body): Move to ...
163         * c-common.h (c_expand_body): ... here.
164         * c-decl.c (c_expand_body): Move to ...
165         * c-common.c (c_expand_body): ... here.
166         (c_common_attribute_table): Allow 1 argument for the constructor
167         and destructor attributes.
168         (get_priority): New function.
169         (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
170         (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
171
172 2007-02-24  Jan Hubicka  <jh@suse.cz>
173
174         PR middle-end/30509
175         * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
176
177 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
178             Jan Hubicka  <jh@suse.cz>
179
180         PR target/30778
181         * i386.c (counter_mode): New function.
182         (expand_set_or_movmem_via_loop): Use it.
183         (expand_movmem_epilogue): Likewise; fix pasto.
184         (ix86_expand_movmem): Do emit guard even for constant counts.
185         (ix86_expand_setmem): Likewise.
186
187 2007-02-25  Nick Clifton  <nickc@redhat.com>
188
189         * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
190         (JUMP_TABLES_IN_TEXT_SECTION): Define.
191
192 2007-02-24  Uros Bizjak  <ubizjak@gmail.com>
193
194         PR target/30770
195         * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
196         count argument with 0x10, not with 0x16.
197         (expand_setmem_epilogue): Ditto.
198
199 2007-02-24  Mike Stump  <mrs@apple.com>
200
201         * config/i386/i386.c (output_pic_addr_const): Stubify optimized
202         symbols.
203
204 2007-02-24  Richard Guenther  <rguenther@suse.de>
205
206         PR middle-end/30951
207         * fold-const.c (fold_binary): Fold x +- CST op x for
208         EQ_EXPR and NE_EXPR.
209
210 2007-02-24  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
211
212         * pa.md (muldi3): Force subregs to registers in 64-bit expander.
213
214 2007-02-24  Jan Hubicka  <jh@suse.cz>
215
216         * cgraphunit.c (decide_is_function_needed): Honor
217         -fkeep-inline-functions.
218
219 2007-02-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
220
221         * builtins.c (fold_builtin_modf): New.
222         (fold_builtin_2): Use it.
223
224 2007-02-24  Bernd Schmidt  <bernd.schmidt@analog.com>
225
226         * loop-iv.c (implies_p): Detect additional cases where A implies B.
227         (determine_max_iter): Take additional LOOP arg; all callers changed.
228         Lose broken logic dealing with PLUS.  Try to limit the upper bound by
229         one using simplifications.
230         (simplify_using_initial_values): Return if the expression becomes
231         invalid due to altered regs.
232
233 2007-02-23  DJ Delorie  <dj@redhat.com>
234
235         * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
236
237 2007-02-23  Mike Stump  <mrs@apple.com>
238
239         * tlink.c (scan_linker_output): Parse linker messages from
240         darwin9's linker better.
241
242 2007-02-23  Steve Ellcey  <sje@cup.hp.com>
243
244         PR debug/29614
245         * varpool.c (varpool_assemble_pending_decls):  Set
246         varpool_last_needed_node to null.
247
248 2007-02-23  DJ Delorie  <dj@redhat.com>
249
250         * config/i386/i386.c (ix86_data_alignment): Don't specify an
251         alignment bigger than the object file can handle.
252
253 2007-02-23  Uros Bizjak  <ubizjak@gmail.com>
254
255         PR target/30825
256         * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
257         zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
258         (*movsf_1): Penalize MMX moves.
259
260 2007-02-23  Bernd Schmidt  <bernd.schmidt@analog.com>
261
262         * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
263         2^32-1 or more times unless flag_unsafe_loop_optimizations.
264
265         * loop-iv.c (determine_max_iter): Moved in front of its sole user.
266
267 2007-02-23  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
268
269         * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
270         (fold_builtin_1): Use them.
271         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
272         BUILT_IN_SIGNIFICAND.
273
274 2007-02-23  H.J. Lu  <hongjiu.lu@intel.com>
275
276         * config/i386/i386.c (bdesc_1arg): Initialize
277         IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
278         "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
279         (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
280         and IX86_BUILTIN_MOVSLDUP.
281
282 2007-02-22  Paolo Bonzini  <bonzini@gnu.org>
283
284         PR rtl-optimization/30841
285         * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
286
287 2007-02-22  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
288
289         * builtins.c (fold_builtin_frexp): New.
290         (fold_builtin_2): Use it.
291
292 2007-02-22  Mark Mitchell  <mark@codesourcery.com>
293
294         * doc/invoke.texi (Spec Files): Document getenv spec function.
295
296         * gcc.c (getenv_spec_function): New function.
297         (static_spec_functions): Add it.
298         * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
299         (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
300         header files.
301
302 2007-02-22  Michael Matz  <matz@suse.de
303
304         PR c++/29433
305         * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
306         (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
307
308 2007-02-22  Ian Lance Taylor  <iant@google.com>
309
310         PR debug/30898
311         * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
312         (mem_loc_descriptor): Call it.
313
314 2007-02-22  Zdenek Dvorak  <dvorakz@suse.cz>
315             Ira Rosen  <irar@il.ibm.com>
316
317         * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
318
319 2007-02-22  Ira Rosen  <irar@il.ibm.com>
320
321         PR tree-optimization/30843
322         * tree-vect-transform.c (vect_transform_loop): Remove strided scalar 
323         stores only after all the group is vectorized.
324
325 2007-02-22  Dorit Nuzman  <dorit@il.ibm.com>
326
327         PR tree-optimization/30858
328         * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
329         in the reduction cycle have a single use in the loop.
330         * tree-vectorizer.h (relevant): Add documentation.
331
332 2007-02-20  Mike Stump  <mrs@apple.com>
333
334         * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
335         * configure: Regenerate.
336
337 2007-02-21  Trevor Smigiel  <trevor_smigiel@playstation.sony.com>
338
339         Change the defaults of some parameters and options.
340         * config/spu/spu-protos.h (spu_optimization_options): Declare.
341         * config/spu/spu.c (spu_optimization_options): Add.
342         (spu_override_options): Change params in spu_optimization_options.
343         * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
344
345         Register 127 is only 16 byte aligned when used as a frame pointer.
346         * config/spu/spu-protos.h (spu_init_expanders): Declare.
347         * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
348         HARD_FRAME_POINTER_REGNUM.
349         (spu_legitimate_address):  Use regno_aligned_for_reload.
350         (regno_aligned_for_load):  HARD_FRAME_POINTER_REGNUM is only 16 byte
351         aligned when frame_pointer_needed is true.
352         (spu_init_expanders): New.  Set alignment of HARD_FRAME_POINTER_REGNUM
353         to 8 bits.
354         * config/spu/spu.h (INIT_EXPANDERS): Define.
355
356         Make sure shift and rotate instructions have valid immediate operands.
357         * config/spu/predicates.md (spu_shift_operand): Remove.
358         * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
359         * config/spu/constraints.md (W, O): Extend range.
360         * config/spu/spu.md (umask, nmask): Define.
361         (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
362         lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
363         rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
364         rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
365         spu_nonmem_operand instead of spu_shift_operands.  Use new modifiers.
366         (lshr<mode>3_reg):  Fix rtl description.
367
368         Make sure mulhisi immediate operands are valid.
369         * config/spu/predicates.md (imm_K_operand): Add.
370         * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
371
372         Generate constants using fsmbi and andi.
373         * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
374         (print_operand, spu_split_immediate, classify_immediate,
375         fsmbi_const_p): Handle IC_FSMBI2.
376
377         Correctly handle a CONST_VECTOR containing symbols.
378         * config/spu/spu.c (print_operand): Handle HIGH correctly.
379         (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
380         (immediate_load_p): Allow symbols that use 2 instructions to create.
381         (classify_immediate, spu_builtin_splats):  Don't accept a CONST_VECTOR
382         with symbols when flag_pic is set.
383         (const_vector_immediate_p): New.
384         (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
385         accept a CONST_VECTOR with symbols.
386         (spu_legitimate_constant_p): Use const_vector_immediate_p.  Don't
387         accept a CONST_VECTOR with symbols when flag_pic is set.  Handle HIGH
388         correctly.
389         * config/spu/spu.md (high, low): Delete.
390         (low_<mode>): Define.
391
392         Remove INTRmode and INTR_REGNUM, which didn't work.
393         * config/spu/spu.c (spu_conditional_register_usage): Remove reference
394         of INTR_REGNUM.
395         * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
396         set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
397         peephole2 pattern): Don't use INTR or 131.
398         (movintrcc): Delete.
399         * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
400         CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
401         * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
402         (UNSPEC_SET_INTR): Add.
403         * config/spu/spu-modes.def (INTR): Remove.
404
405         More accurate warnings about run-time relocations.
406         * config/spu/spu.c (reloc_diagnostic): Test in_section.
407
408         Correctly warn about immediate arguments to specific intrinsics.
409         * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
410         (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
411         the instruction predicate.
412
413         Fix tree check errors with latest update.
414         * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
415         CALL_EXPR_ARG.
416         (spu_expand_builtin): Use CALL_EXPR_FN.
417
418         Add missing specific intrinsics.
419         * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
420         si_bislede.
421         * config/spu/spu_internals.h: Ditto.
422
423         Fix incorrect operand modifiers.
424         * config/spu/spu-builtins.md (spu_mpy, spu_mpyu):  Remove use of %H.
425         * config/spu/spu.md (xor<mode>3):  Change %S to %J.
426
427         Optimize one case of zero_extend of a vec_select.
428         * config/spu/spu.md (_vec_extractv8hi_ze):  Add.
429
430         Accept any immediate for hbr.
431         * config/spu/spu.md (hbr):  Change s constraints to i.
432
433 2007-02-21  Paul Brook  <paul@codesourcery.com>
434
435         * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
436         condexec_count when skipping USE and CLOBBER.
437
438 2007-02-21  Nick Clifton  <nickc@redhat.com>
439
440         * common.opt (Warray-bounds): Add Warning attribute.
441         (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
442         Likewise.
443         (fsized-zeroes): Add Optimization attribute.
444         (fsplit-wide-types, ftree-scev-cprop): Likewise.
445         * c.opt (Wc++0x-compat): Add Warning attribute.
446
447 2007-02-21  Ulrich Weigand  <uweigand@de.ibm.com>
448
449         PR middle-end/30761
450         * reload1.c (eliminate_regs_in_insn): In the single_set special
451         case, attempt to re-recognize the insn before falling back to
452         having reload fix it up.
453
454 2007-02-20  Eric Christopher  <echristo@gmail.com>
455
456         * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
457         Rewrite accordingly.
458         (frv_read_iacc_argument): Ditto.
459         (frv_expand_set_builtin): Take a call instead of arglist, update for
460         above changes.
461         (frv_expand_unop_builtin): Ditto.
462         (frv_expand_binop_builtin): Ditto.
463         (frv_expand_cut_builtin): Ditto.
464         (frv_expand_binopimm_builtin): Ditto.
465         (frv_expand_voidbinop_builtin): Ditto.
466         (frv_expand_int_void2arg): Ditto.
467         (frv_expand_prefetches): Ditto.
468         (frv_expand_voidtriop_builtin): Ditto.
469         (frv_expand_voidaccop_builtin): Ditto.
470         (frv_expand_load_builtin): Ditto.
471         (frv_expand_store_builtin): Ditto.
472         (frv_expand_mdpackh_builtin): Ditto.
473         (frv_expand_mclracc_builtin): Ditto.
474         (frv_expand_mrdacc_builtin): Ditto.
475         (frv_expand_mwtacc_builtin): Ditto.
476         (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
477         calls for above.
478
479 2007-02-20  Janis Johnson  <janis187@us.ibm.com>
480
481         * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
482         * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
483         cmpb instruction.
484         (HAVE_GAS_DFP): Check for assembler support of decimal floating
485         point instructions.
486         * configure: Regenerate.
487         * config.in: Regenerate.
488         * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
489         * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
490         masks to power6 and power6x and to POWERPC_MASKS.
491         * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
492         _ARCH_PWR6.
493         * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
494         * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
495         * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
496         Access PROTOTYPE as variable, not mask.
497
498 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
499
500         * rtl.h (remove_reg_equal_equiv_notes): New prototype.
501         * rtlanal.c (remove_reg_equal_equiv_notes): New function.
502         * combine.c (adjust_for_new_dest): Use it.
503         * postreload.c (reload_combine): Likewise.
504
505 2007-02-20  Steven Bosscher  <steven@gcc.gnu.org>
506
507         * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
508         notes on an insn with multiple sets, even if single_set returns
509         non-NULL for that insn.
510
511 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
512
513         * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
514         scalbn and scalbln.
515
516 2007-02-20  Geoffrey Keating  <geoffk@apple.com>
517
518         * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
519         if user didn't pass it.
520         * config/i386/darwin.h (CC1_SPEC): Likewise.
521         * config/rs6000/darwin.h (CC1_SPEC): Likewise.
522         (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
523         -mmacosx-version-min.
524
525 2007-02-20  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
526             Uros Bizjak  <ubizjak@gmail.com>
527
528         * optabs.h (enum optab_index): Add new OTI_scalb.
529         (scalb_optab): Define corresponding macro.
530         * optabs.c (init_optabs): Initialize scalb_optab.
531         * genopinit.c (optabs): Implement scalb_optab using scalb?f3
532         patterns.
533         * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
534         BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
535         (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
536         and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
537         flag_unsafe_math_optimizations is set.
538
539         * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
540         to implement scalbf, scalb and scalbl built-ins as inline x87
541         intrinsics.
542
543 2007-02-20  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
544             DJ Delorie <dj@redhat.com>
545
546         PR other/30824
547         * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
548         (diagnostic_report_diagnostic): ... here, and turn them into real
549         errors. If warnings are inhibited, no need to do anything.
550
551 2007-02-20  Uros Bizjak  <ubizjak@gmail.com>
552
553         * config/i386/i386.md (expm1xf2): Reorder insn sequence for
554         better code generation.
555
556 2007-02-20  Ben Elliston  <bje@au.ibm.com>
557
558         * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
559
560 2007-02-20  Kazu Hirata  <kazu@codesourcery.com>
561
562         * config/alpha/alpha.c, config/alpha/alpha.md,
563         config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
564         config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
565         config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
566         config/arm/lib1funcs.asm: Follow spelling conventions.
567
568         * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
569         config/fr30/fr30.md, config/i386/i386.h,
570         config/iq2000/iq2000.h, config/iq2000/predicates.md,
571         config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
572         config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
573         config/pdp11/pdp11.c, config/pdp11/pdp11.h,
574         config/rs6000/altivec.md, config/rs6000/rs6000.c,
575         config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
576         config/sparc/sparc.c, config/sparc/sparc.h,
577         config/sparc/sparc.md, config/spu/constraints.md,
578         config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
579         conventions.
580
581 2007-02-20  Alan Modra  <amodra@bigpond.net.au>
582
583         PR target/29943
584         * varasm.c (use_blocks_for_decl_p): Return false for decls with
585         alias attribute.
586
587 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
588
589         * doc/invoke.texi (-ftree-lrs): Remove.
590
591 2007-02-19  Diego Novillo  <dnovillo@redhat.com>
592
593         * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
594         NULL.
595
596 2007-02-19  Lee Millward  <lee.millward@codesourcery.com>
597
598         * config/ia64/ia64.c (ia64_expand_builtin): Use the
599         new CALL_EXPR_FN macro for retrieving the function
600         declaration of the input expression.
601
602 2007-02-19  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
603
604         * c.opt (Waddress): New.
605         * common.opt (Walways-true): Delete.
606         (Wstring-literal-comparison): Delete.
607         * doc/invoke.texi (Warning Options): Delete -Walways-true and
608         -Wstring-literal-comparison. Add -Waddress.
609         (Waddress): New.
610         (Walways-true): Delete.
611         (Wstring-literal-comparison): Delete.
612         * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
613         consistently instead of -Walways-true in example.
614         * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
615         * c-typeck.c (parser_build_binary_op): Replace
616         -Wstring-literal-comparison and -Walways-true with -Waddress.
617         * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
618         with -Waddress.
619
620 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
621
622         * tree-cfg.c (dump_function_to_file): Be prepared for functions
623         without DECL_STRUCT_FUNCTION initialized.
624
625 2007-02-19  Eric Botcazou  <ebotcazou@adacore.com>
626
627         * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
628         due to calls to functions taking pointers as parameters.
629
630 2007-02-19  Richard Henderson  <rth@redhat.com>
631
632         PR debug/29558
633         * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
634         in memory.
635
636 2007-02-19  Andreas Krebbel  <krebbel1@de.ibm.com>
637
638         * config/s390/s390.c (s390_call_saved_register_used,
639         s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
640         accessed to the new scheme.
641
642 2007-02-19  Jan-Benedict Glaw  <jbglaw@lug-owl.de>
643
644         * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
645         (cris_print_index, cris_print_operand, cris_print_operand_address)
646         (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
647         (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
648         (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
649         GET_CODE () == xxx.
650         * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
651         EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
652         GO_IF_LEGITIMATE_ADDRESS): Ditto.
653         * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
654         (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
655         (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
656         (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
657         (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
658         (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
659         (uminsi3, call, call_value): Ditto.
660         (define_split: indir_to_reg_split, unnamed): Ditto.
661
662 2007-02-19  Dorit Nuzman  <dorit@il.ibm.com>
663
664         PR tree-optimization/30975
665         * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
666         wrong assert.
667
668 2007-02-18  Eric Christopher  <echristo@gmail.com>
669
670         * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
671         Remove use of arglist.
672         (mips_expand_builtin): Remove use of arglist, pass in expr.
673         (mips_expand_builtin_direct): Rewrite handling for arglist removal.
674         (mips_expand_builtin_movtf): Ditto.
675         (mips_expand_builtin_compare): Ditto.
676
677 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
678
679         * tree-sra.c (sra_build_assignment): Replace assertion
680         checking with a comment explaining why it can't be done.
681
682 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
683
684         PR middle-end/30833
685         * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
686         during CALL_EXPR representation conversion.
687         * tree-ssa-propagate.c (set_rhs): Likewise.
688
689 2007-02-19  Alexandre Oliva  <aoliva@redhat.com>
690
691         * tree-sra.c (sra_build_assignment): Disable assertion checking
692         for now.
693
694 2007-02-18  Roger Sayle  <roger@eyesopen.com>
695
696         * function.c (gimplify_parameters): Call build_gimple_modify_stmt
697         instead of calling build2 with a GIMPLE_MODIFY_STMT.
698         * gimple-low.c (lower_function_body, lower_builtin_setjmp):
699         Likewise.
700         * gimplify.c (build_stack_save_restore, gimplify_return_expr,
701         gimplify_decl_expr,  gimplify_self_mod_expr, gimplify_cond_expr,
702         gimplify_init_ctor_eval_range, gimple_push_cleanup,
703         gimplify_omp_for, gimplify_omp_atomic_pipeline,
704         gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
705         force_gimple_operand): Likewise.
706         * ipa-cp.c (constant_val_insert): Likewise.
707         * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
708         lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
709         perfect_nestify): Likewise.
710         * langhooks.c (lhd_omp_assignment): Likewise.
711         * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
712         lower_copyprivate_clauses, lower_send_clauses,
713         lower_send_shared_vars, expand_parallel_call,
714         expand_omp_for_generic, expand_omp_for_static_nochunk,
715         expand_omp_for_static_chunk, expand_omp_sections,
716         lower_omp_single_copy, lower_omp_for_lastprivate,
717         lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
718         * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
719         tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
720         Likewise.
721
722 2007-02-19  Kazu Hirata  <kazu@codesourcery.com>
723
724         * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
725         config/sh/sh.md: Follow spelling conventions.
726
727         * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
728         config/frv/predicates.md: Follow spelling conventions.
729
730         * config/m68k/linux-unwind.h: Fix a comment typo.
731         * target.h: Follow spelling conventions.
732
733 2007-02-18  Roger Sayle  <roger@eyesopen.com>
734
735         PR rtl-optimization/28173
736         * simplify-rtx.c (simplify_binary_operation_1) <IOR>:  Optimize
737         (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
738         Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
739         Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
740         <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
741
742 2007-02-18  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
743
744         * builtins.c (fold_builtin_load_exponent): New.
745         (fold_builtin_2): Use it.
746
747 2007-02-18  Steven Bosscher  <steven@gcc.gnu.org>
748
749         PR rtl-optimization/30773
750         * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
751         if we fail to attach a REG_EQUIV note.
752
753 2007-02-18  David Edelsohn  <edelsohn@gnu.org>
754             Roger Sayle  <roger@eyesopen.com>
755
756         * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
757
758 2007-02-18  Sandra Loosemore  <sandra@codesourcery.com>
759
760         * calls.c (initialize_argument_information): Pass original EXP
761         and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments.  Move
762         code to split complex arguments here, as part of initializing the
763         ARGS array.
764         (expand_call): Remove code that builds a list of arguments and
765         inserts implicit arguments into it.  Instead, just count how many
766         implicit arguments there will be so we can determine the size of
767         the ARGS array, and let initialize_argument_information do the work.
768         (split_complex_values): Delete unused function.
769
770 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
771
772         * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
773
774 2007-02-18  Eric Botcazou  <ebotcazou@adacore.com>
775
776         * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
777         for arg pointer based indexed addressing.
778
779 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
780
781         * config/ia64/ia64.h, config/ia64/ia64.md,
782         config/ia64/predicates.md, config/ia64/sysv4.h: Follow
783         spelling conventions.
784
785 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
786
787         * config/m68k/m68k.c (split_di): New.
788         * config/m68k/m68k-protos.h: Declare split_di.
789         * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
790           Improve predicate handling and split constant shifts.
791
792 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
793
794         * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
795         parameter for register bitfield operations, general predicates
796         cleanup
797
798 2007-02-18  Roman Zippel <zippel@linux-m68k.org>
799
800         * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
801         * config/m68k/linux-unwind.h: New file.
802
803 2007-02-18  Kazu Hirata  <kazu@codesourcery.com>
804
805         * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
806         config/i386/athlon.md, config/ia64/ia64.md,
807         config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
808         df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
809         ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
810         tree-ssa-loop-niter.c, tree-vect-analyze.c,
811         tree-vect-transform.c: Fix comment typos.
812
813 2007-02-17  Kazu Hirata  <kazu@codesourcery.com>
814
815         * sched-deps.c (find_insn_list): Remove.
816         * sched-int.h: Remove the prototype for find_insn_list.
817
818 2007-02-16  Geoffrey Keating  <geoffk@apple.com>
819
820         * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
821         to linker.
822         (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
823         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
824         darwin_rs6000_override_options.
825         (C_COMMON_OVERRIDE_OPTIONS): Expect
826         darwin_macosx_version_min to be non-NULL always.
827         (TARGET_C99_FUNCTIONS): Likewise.
828         (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
829         (DARWIN_MINVERSION_SPEC): New.
830         * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
831         * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
832         to cc1*.
833         (DARWIN_MINVERSION_SPEC): New.
834         * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
835         value.
836         * config/darwin-c.c (darwin_cpp_builtins): Expect
837         darwin_macosx_version_min to be non-NULL always.
838
839         * config/rs6000/rs6000.c: Clean up trailing whitespace.
840
841 2007-02-16  Uros Bizjak  <ubizjak@gmail.com>
842
843         * config/i386/i386.h (x86_use_xchgb): New.
844         (TARGET_USE_XCHGB): New macro.
845         * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
846         * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
847         Split after reload into bswaphi for shifts of 8.
848         (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
849         (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
850         or when optimizing for size.
851
852 2007-02-16  Richard Guenther  <rguenther@suse.de>
853             Christian Bruel  <christian.bruel@st.com>
854
855         * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
856         DECLs but prefer SSA_NAMEs over DECLs.
857
858 2007-02-16  Richard Guenther  <rguenther@suse.de>
859
860         * tree-flow-inline.h (single_imm_use_p): Remove.
861         (zero_imm_uses_p): Likewise.
862         * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
863         instead of single_imm_use_p.
864         * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
865         zero_imm_uses_p.
866
867 2007-02-16  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
868
869         PR other/27843
870         * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
871         nested double- and backquotes.
872
873 2007-02-15  Roger Sayle  <roger@eyesopen.com>
874
875         PR middle-end/30391
876         * tree.c (expr_align): Handle MODIFY_EXPR.  GIMPLE_MODIFY_STMT
877         should be unreachable.
878         (build2_stat): Allow construction of MODIFY_EXPR at any time.
879         For the time being redirect GIMPLE_MODIFY_STMT to the new
880         (renamed) build_gimple_modify_stmt_stat.
881         (build2_gimple_stat): Rename to...
882         (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
883         Always build a GIMPLE_MODIFY_STMT node.
884         * tree.h (build2_gimple, build2_gimple_stat): Delete.
885         (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
886         declarations.
887
888         * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
889         gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
890         * tree-complex.c (set_component_ssa_name, expand_complex_move,
891         expand_complex_div_wide): Likewise.
892         * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
893         * tree-ssa-loop-im.c (schedule_sm): Likewise.
894         * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
895         * tree-ssa-loop-manip.c (create_iv): Likewise.
896         * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
897         abs_replacement): Likewise.
898         * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
899         realify_fake_stores): Likewise.
900
901         * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
902         node rather than a GIMPLE_MODIFY_STMT node.
903         (std_gimpify_va_arg_expr, expand_builtin_va_copy,
904         fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
905         Likewise.
906         (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
907         * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
908         GIMPLE_MODIFY_STMT.
909
910 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
911
912         PR middle-end/30433
913         * fold-const.c (fold_comparison): Add back the
914         folding of constant complex comparisions.
915
916 2007-02-15  Andrew Pinski  <andrew_pinski@playstation.sony.com>
917
918         PR middle-end/30729
919         * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
920         effects unknown to this function, return early.
921
922 2007-02-15  Ian Lance Taylor  <iant@google.com>
923
924         * lower-subreg.c (move_eh_region_note): New static function.
925         (resolve_simple_move): Call it.
926         (decompose_multiword_subregs): Track blocks for which we resolve a
927         simple move which is also a control flow insn.  Pass them to
928         find_many_sub_basic_blocks.
929         (pass_lower_subreg): Add TODO_verify_flow.
930         (pass_lower_subreg2): Likewise.
931
932 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
933             Brooks Moses  <brooks.moses@codesourcery.com>
934             Lee Millward  <lee.millward@codesourcery.com>
935
936         * tree.h (enum tree_code_class): Add tcc_vl_exp.
937         (VL_EXP_CLASS_P): New.
938         (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
939         TREE_CODE_LENGTH.
940         (TREE_OPERAND_CHECK_CODE): Likewise.
941         (GIMPLE_STMT_OPERAND_CHECK): Likewise.
942         (TREE_RTL_OPERAND_CHECK): Likewise.
943         (tree_operand_check_failed): Make second parameter the whole tree
944         instead of its code.  Fixed callers.
945         (VL_EXP_CHECK): New.
946         (TREE_OPERAND_LENGTH): New.
947         (VL_EXP_OPERAND_LENGTH): New.
948         (CALL_EXPR_FN): New.
949         (CALL_EXPR_STATIC_CHAIN): New.
950         (CALL_EXPR_ARGS): New.
951         (CALL_EXPR_ARG): New.
952         (call_expr_nargs): New.
953         (CALL_EXPR_ARGP): New.
954         (build_nt_call_list): Declare.
955         (build_vl_exp_stat): Declare.
956         (build_vl_exp): New.
957         (build_call_list): Declare.
958         (build_call_nary): Declare.
959         (build_call_valist): Declare.
960         (build_call_array): Declare.
961         (call_expr_arg): Declare.
962         (call_expr_argp): Declare.
963         (call_expr_arglist): Declare.
964         (fold_build_call_list): Declare.
965         (fold_build_call_list_initializer): Declare.
966         (fold_call_expr): Declare to replace fold_builtin.
967         (fold_builtin_fputs): Update to agree with modified definition.
968         (fold_builtin_strcpy): Likewise.
969         (fold_builtin_strncpy): Likewise.
970         (fold_builtin_memory_chk): Likewise.
971         (fold_builtin_stxcpy_chk): Likewise.
972         (fold_builtin_strncpy_chk): Likewise.
973         (fold_builtin_next_arg): Likewise.
974         (fold_build_call_expr): Declare.
975         (fold_builtin_call_list): Declare.
976         (fold_builtin_call_valist): Declare.
977         (build_call_expr): Declare.
978         (validate_arglist): Update to agree with modified definition.
979         (tree_operand_length): New.
980         (call_expr_arg_iterator): New.
981         (init_call_expr_arg_iterator): New.
982         (next_call_expr_arg): New.
983         (first_call_expr_arg): New.
984         (more_call_expr_args_p): New.
985         (FOR_EACH_CALL_EXPR_ARG): New.
986
987         * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
988         and tcc_gimple_stmt.
989         (tree_code_size): Update documentation.  Use sizeof (tree) rather
990         than sizeof (char *).
991         (tree_size): Likewise.  Add case for tcc_vl_exp.
992         (tree_node_structure): Add case for tcc_vl_exp.
993         (contains_placeholder_p): Likewise.
994         (substitute_in_expr): Likewise.
995         (substitute_placeholder_in_expr): Likewise.
996         (stabilize_reference_1): Likewise.
997         (build3_stat): Remove logic for CALL_EXPRs.  Replace with assertion
998         to diagnose breakage of this interface for constructing CALL_EXPRs.
999         (build_nt): Add similar assertion here.
1000         (build_nt_call_list): New.
1001         (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
1002         (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
1003         TREE_CODE_LENGTH.
1004         (get_callee_fndecl): Use new CALL_EXPR accessors.
1005         (tree_operand_check_failed): Change parameters to pass entire node
1006         instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
1007         (process_call_operands): New.
1008         (build_vl_exp_stat): New.
1009         (build_call_list): New.
1010         (build_call_nary): New.
1011         (build_call_valist): New.
1012         (build_call_array): New.
1013         (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1014         (call_expr_arglist): New.
1015
1016         * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
1017         tcc_vl_exp instead of a fixed-size tcc_expression.
1018
1019         * doc/c-tree.texi (CALL_EXPR): Document new representation and
1020         accessors for CALL_EXPRs.
1021         (AGGR_INIT_EXPR): Likewise.
1022
1023 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1024             Brooks Moses  <brooks.moses@codesourcery.com>
1025             Lee Millward  <lee.millward@codesourcery.com>
1026
1027         * builtins.c (c_strlen): Return NULL_TREE instead of 0.
1028         (expand_builtin_nonlocal_goto): Change parameter to be entire
1029         CALL_EXPR instead of an arglist.  Use new CALL_EXPR accessors.
1030         (expand_builtin_prefetch): Likewise.
1031         (expand_builtin_classify_type): Likewise.
1032         (mathfn_built_in): Return NULL_TREE instead of 0.
1033         (expand_errno_check): Use new CALL_EXPR accessors.
1034         (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
1035         Return NULL_RTX instead of 0.
1036         (expand_builtin_mathfn_2): Likewise.
1037         (expand_builtin_mathfn_3): Likewise.
1038         (expand_builtin_interclass_mathfn): Likewise.
1039         (expand_builtin_sincos): Likewise.
1040         (expand_builtin_cexpi): Likewise.
1041         (expand_builtin_int_roundingfn): Likewise.
1042         (expand_builtin_int_roundingfn_2): Likewise.
1043         (expand_builtin_pow): Likewise.
1044         (expand_builtin_powi): Likewise.
1045         (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
1046         of arglist, fixing callers appropriately.  Use new CALL_EXPR
1047         accessors and constructors.  Return NULL_RTX instead of 0.
1048         (expand_builtin_strstr): Likewise.
1049         (expand_builtin_strchr): Likewise.
1050         (expand_builtin_strrchr): Likewise.
1051         (expand_builtin_strpbrk): Likewise.
1052         (expand_builtin_memcpy): Likewise.
1053         (expand_builtin_mempcpy): Likewise.
1054         (expand_builtin_mempcpy_args): New.
1055         (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
1056         (expand_builtin_memmove_args): New.
1057         (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
1058         (expand_movstr): Likewise.
1059         (expand_builtin_strcpy): Likewise.
1060         (expand_builtin_strcpy_args): New.
1061         (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
1062         (expand_builtin_strncpy): Likewise.
1063         (expand_builtin_memset): Likewise.
1064         (expand_builtin_memset_args): New.
1065         (expand_builtin_bzero): Similarly to expand_builtin_memset.
1066         (expand_builtin_memcmp): Likewise.
1067         (expand_builtin_strcmp): Likewise.
1068         (expand_builtin_strncmp): Likewise.
1069         (expand_builtin_strcat): Likewise.
1070         (expand_builtin_strncat): Likewise.
1071         (expand_builtin_strspn): Likewise.
1072         (expand_builtin_strcspn): Likewise.
1073         (expand_builtin_args_info): Likewise.
1074         (expand_builtin_va_start): Likewise.
1075         (gimplify_va_arg_expr): Likewise.
1076         (expand_builtin_va_end): Likewise.
1077         (expand_builtin_va_copy): Likewise.
1078         (expand_builtin_frame_address): Likewise.
1079         (expand_builtin_alloca): Likewise.
1080         (expand_builtin_bswap): Likewise.
1081         (expand_builtin_unop): Likewise.
1082         (expand_builtin_fputs): Likewise.
1083         (expand_builtin_expect): Likewise.
1084         (expand_builtin_fabs): Likewise.
1085         (expand_builtin_copysign): Likewise.
1086         (expand_builtin_printf): Likewise.
1087         (expand_builtin_fprintf): Likewise.
1088         (expand_builtin_sprintf): Likewise.
1089         (expand_builtin_init_trampoline): Likewise.
1090         (expand_builtin_signbit): Likewise.
1091         (expand_builtin_fork_or_exec): Likewise.
1092         (expand_builtin_sync_operation): Likewise.
1093         (expand_builtin_compare_and_swap): Likewise.
1094         (expand_builtin_lock_test_and_set): Likewise.
1095         (expand_builtin_lock_release): Likewise.
1096         (expand_builtin): Likewise.
1097         (builtin_mathfn_code): Likewise.
1098
1099         (fold_builtin_constant_p): Pass call arguments individually instead
1100         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1101         accessors and constructors.  Return NULL_TREE instead of 0.
1102         (fold_builtin_expect): Likewise.
1103         (fold_builtin_classify_type): Likewise.
1104         (fold_builtin_strlen): Likewise.
1105         (fold_builtin_nan): Likewise.
1106         (integer_valued_real_p): Likewise.
1107         (fold_trunc_transparent_mathfn): Likewise.
1108         (fold_fixed_mathfn): Likewise.
1109         (fold_builtin_cabs): Likewise.
1110         (fold_builtin_sqrt): Likewise.
1111         (fold_builtin_cbrt): Likewise.
1112         (fold_builtin_cos): Likewise.
1113         (fold_builtin_cosh): Likewise.
1114         (fold_builtin_tan): Likewise.
1115         (fold_builtin_sincos): Likewise.
1116         (fold_builtin_cexp): Likewise.
1117         (fold_builtin_trunc): Likewise.
1118         (fold_builtin_floor): Likewise.
1119         (fold_builtin_ceil): Likewise.
1120         (fold_builtin_round): Likewise.
1121         (fold_builtin_int_roundingfn): Likewise.
1122         (fold_builtin_bitop): Likewise.
1123         (fold_builtin_bswap): Likewise.
1124         (fold_builtin_logarithm): Likewise.
1125         (fold_builtin_hypot): Likewise.
1126         (fold_builtin_pow): Likewise.
1127         (fold_builtin_powi): Likewise.
1128         (fold_builtin_exponent): Likewise.
1129         (fold_builtin_memset): Likewise.
1130         (fold_builtin_bzero): Likewise.
1131         (fold_builtin_memory_op): Likewise.
1132         (fold_builtin_bcopy): Deleted; call site changed to invoke
1133         fold_builtin_memory_op directly.
1134         (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
1135         (fold_builtin_strncpy): Likewise.
1136         (fold_builtin_memcmp): Likewise.
1137         (fold_builtin_strcmp): Likewise.
1138         (fold_builtin_strncmp): Likewise.
1139         (fold_builtin_signbit): Likewise.
1140         (fold_builtin_copysign): Likewise.
1141         (fold_builtin_isascii): Likewise.
1142         (fold_builtin_toascii): Likewise.
1143         (fold_builtin_isdigit): Likewise.
1144         (fold_builtin_fabs): Likewise.
1145         (fold_builtin_abs): Likewise.
1146         (fold_builtin_fmin_fmax): Likewise.
1147         (fold_builtin_carg): Likewise.
1148         (fold_builtin_classify): Likewise.
1149         (fold_builtin_unordered_cmp): Likewise.
1150
1151         (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
1152         New functions split out from fold_builtin_1.
1153         (fold_builtin_n): New.
1154         (fold_builtin_varargs): New.
1155         (fold_builtin): Deleted.  Most callers changed to use fold_call_expr
1156         instead.
1157         (fold_call_expr): New.
1158         (build_function_call_expr): Rewrite to use new helper function.
1159         (fold_builtin_call_list): New.
1160         (build_call_expr): New.
1161         (fold_builtin_call_valist): New.
1162         (rewrite_call_expr): New.
1163         (validate_arg): New.
1164         (validate_arglist): Change parameter to be entire CALL_EXPR instead
1165         of an arglist.  Change return type to bool.  Use new CALL_EXPR
1166         accessors.
1167
1168         (fold_builtin_strstr):  Pass call arguments individually instead
1169         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1170         accessors and constructors.  Return NULL_TREE instead of 0.
1171         (fold_builtin_strchr): Likewise.
1172         (fold_builtin_strrchr): Likewise.
1173         (fold_builtin_strpbrk): Likewise.
1174         (fold_builtin_strcat): Likewise.
1175         (fold_builtin_strncat): Likewise.
1176         (fold_builtin_strspn): Likewise.
1177         (fold_builtin_strcspn): Likewise.
1178         (fold_builtin_fputs): Likewise.
1179         (fold_builtin_next_arg): Likewise.
1180         (fold_builtin_sprintf): Likewise.
1181
1182         (expand_builtin_object_size): Use new CALL_EXPR accessors.  Use
1183         NULL_RTX instead of 0.
1184         (expand_builtin_memory_chk): Likewise.
1185         (maybe_emit_chk_warning): Likewise.
1186         (maybe_emit_sprintf_chk_warning): Likewise.
1187
1188         (fold_builtin_object_size): Pass call arguments individually instead
1189         of as an arglist, fixing callers appropriately.  Use new CALL_EXPR
1190         accessors and constructors.  Return NULL_TREE instead of 0.
1191         (fold_builtin_memory_chk): Likewise.
1192         (fold_builtin_stxcpy_chk): Likewise.
1193         (fold_builtin_strncpy_chk): Likewise.
1194         (fold_builtin_strcat_chk): Likewise.
1195         (fold_builtin_strcat_chk): Likewise.
1196         (fold_builtin_strncat_chk): Likewise.
1197         (fold_builtin_sprintf_chk): Likewise.
1198         (fold_builtin_snprintf_chk): Likewise.
1199         (fold_builtin_printf): Likewise.
1200         (fold_builtin_vprintf): Likewise.
1201
1202         * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
1203         constructors.
1204         (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
1205         (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1206         (extract_muldiv_1): Add VL_EXP_CLASS_P case.
1207         (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
1208         (fold_unary): Likewise.
1209         (fold_binary): Likewise.
1210         (fold_ternary): Remove CALL_EXPR case, since they are no longer
1211         ternary expressions.
1212         (fold): Add logic for tcc_vl_exp.
1213         (fold_checksum_tree):  Make it know about tcc_vl_exp.  Use
1214         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1215         (fold_build3_stat): Add assertion to flag broken interface for
1216         constructing CALL_EXPRs.
1217         (fold_build_call_list): New.
1218         (fold_build_call_list_initializer): New.
1219         (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
1220         constructors.
1221         (fold_strip_sign_ops): Likewise.
1222
1223 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1224             Brooks Moses  <brooks.moses@codesourcery.com>
1225             Lee Millward  <lee.millward@codesourcery.com>
1226
1227         * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
1228         accessors and dump arguments explicitly.
1229
1230         * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
1231         TREE_CODE_LENGTH.
1232         (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
1233         explicitly.
1234         (print_call_name): Use new CALL_EXPR accessors.
1235
1236         * print-tree.c (print_node): Add case tcc_vl_exp.  Print
1237         CALL_EXPR arguments explicitly instead of as a list.  Use
1238         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1239
1240         * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
1241         (vrp_visit_stmt): Likewise.
1242
1243         * tree-ssa-loop-im.c (outermost_invariant_loop_expr):  Make it
1244         know about tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of
1245         TREE_CODE_LENGTH.
1246         (force_move_till_expr): Likewise.
1247
1248         * targhooks.c (default_external_stack_protect_fail): Use
1249         build_call_expr instead of build_function_call_expr.
1250         (default_hidden_stack_protect_fail): Likewise.
1251
1252         * tree-complex.c (expand_complex_libcall): Use build_call_expr to
1253         build the call.
1254
1255         * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
1256         and walk arguments explicitly.
1257
1258         * tree-ssa-loop-niter.c (simplify_replace_tree): Use
1259         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1260         (expand_simple_operations): Likewise.
1261         (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
1262
1263         * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
1264         of TREE_CODE_LENGTH.
1265         (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
1266
1267         * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
1268         instead of TREE_CODE_LENGTH.
1269
1270         * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
1271         (tree_ic_transform): Likewise.
1272         (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
1273         parameter instead of arglist.  Fix callers.
1274         (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
1275         (tree_stringops_transform): Likewise.
1276         (tree_indirect_call_to_profile): Likewise.
1277         (tree_stringops_values_to_profile): Likewise.
1278
1279         * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
1280         (eliminate_tail_call): Likewise.
1281
1282         * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
1283
1284         * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1285         Use TREE_OPERAND_LENGTH and generalize to handle any number of
1286         operands.
1287         (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1288
1289         * omp-low.c (build_omp_barrier): Use build_call_expr.
1290         (lower_rec_input_clauses): Likewise.
1291         (lower_reduction_clauses): Likewise.
1292         (expand_parallel_call): Likewise.
1293         (maybe_catch_exception): Likewise.
1294         (expand_omp_for_generic): Likewise.
1295         (expand_omp_for_static_nochunk): Likewise.
1296         (expand_omp_sections): Likewise.
1297         (lower_omp_single_simple): Likewise.
1298         (lower_omp_single_copy): Likewise.
1299         (lower_omp_master): Likewise.
1300         (lower_omp_ordered): Likewise.
1301         (lower_omp_critical): Likewise.
1302
1303         * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1304         (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1305
1306         * tree-gimple.c (is_gimple_call_addr): Fix doc.
1307         (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1308         TREE_CODE_LENGTH.  Add tcc_vl_exp case.
1309
1310         * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1311         and generalize to handle any number of operands.
1312         (chrec_contains_undetermined): Likewise.
1313         (tree_contains_chrecs): Likewise.
1314         (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1315
1316         * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1317
1318         * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors.  Use
1319         fold_call_expr instead of fold_builtin.
1320         (ccp_fold_builtin): Likewise.  Update calls into builtins.c to
1321         match declarations there.
1322         (fold_stmt): Use new CALL_EXPR constructor and accessors.  Doc
1323         updates.
1324
1325         * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1326         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1327
1328         * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1329         (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1330
1331         * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1332         accessors.
1333
1334         * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1335         (execute_cse_sincos): Use new CALL_EXPR accessors.
1336
1337         * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1338
1339         * gimple-low.c (lower_function_body): Use build_call_expr.
1340         (lower_builtin_setjmp): Likewise.
1341
1342         * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1343         (set_storage_via_libcall): Likewise.
1344         (safe_from_p): Add tcc_vl_exp case.  Use TREE_OPERAND_LENGTH
1345         instead of TREE_CODE_LENGTH.
1346         (expand_expr_real_1): Use new CALL_EXPR accessors.
1347
1348         * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1349         generalize to handle any number of operands.
1350         (TB_parent_eq): Likewise.
1351
1352         * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1353         (strip_builtin_expect): Likewise.
1354
1355         * function.c (gimplify_parameters): Use build_call_expr.
1356
1357         * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1358         instead of TREE_CODE_LENGTH.
1359
1360         * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1361         (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1362
1363         * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1364         iterators.
1365
1366         * gimplify.c (build_stack_save_restore): Use build_call_expr.
1367         (gimplify_decl_expr): Likewise.
1368         (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1369         Use new CALL_EXPR iterators.
1370         (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1371         (gimplify_modify_expr_to_memset): Likewise.
1372         (gimplify_variable_sized_compare): Likewise.
1373         (gimplify_omp_atomic_fetch_op): Likewise.
1374         (gimplify_omp_atomic_pipeline): Likewise.
1375         (gimplify_omp_atomic_mutex): Likewise.
1376         (gimplify_function_tree): Likewise.
1377
1378         * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1379         (call_expr_flags): Likewise.
1380         (expand_call): Likewise.
1381
1382         * except.c (expand_builtin_eh_return_data_regno): Pass entire
1383         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1384         accessors.
1385
1386         * coverage.c (create_coverage): Use build_call_expr.
1387
1388         * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1389         (temp_call_expr_obstack): New.
1390         (pool_copy_list): Delete.
1391         (temp_copy_call_expr): New.
1392         (phi_translate): Add case tcc_vl_exp for CALL_EXPR.  Use new
1393         CALL_EXPR accessors.  Get rid of special goo for copying argument
1394         lists and use temp_copy_call_expr instead.
1395         (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR.  Use new
1396         CALL_EXPR accessors.
1397         (create_expression_by_pieces): Likewise.  Use build_call_array
1398         to construct the result instead of fold_build3.
1399         (create_value_expr_from): Add tcc_vl_exp.  Delete special goo for
1400         dealing with argument lists.
1401         (init_pre): Remove references to expression_node_pool and
1402         list_node_pool.  Init temp_call_expr_obstack instead.
1403         (fini_pre): Remove references to expression_node_pool and
1404         list_node_pool.
1405
1406         * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1407         and walk arguments explicitly instead of as a list.
1408
1409         * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1410         (mx_register_decls): Likewise.
1411         (mudflap_register_call): Likewise.
1412         (mudflap_finish_file): Likewise.
1413
1414         * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1415         (ipa_callsite_compute_param): Likewise.
1416
1417         * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1418         accessors and constructor.
1419
1420         * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1421         accessors and constructor.
1422         (convert_tramp_reference): Likewise.
1423         (convert_call_expr): Likewise.
1424         (finalize_nesting_tree_1): Likewise.
1425
1426         * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1427         accessors.
1428
1429         * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1430
1431         * tree-inline.c (initialize_inlined_parameters): Pass entire
1432         CALL_EXPR as parameter instead of arglist.  Use new CALL_EXPR
1433         accessors.
1434         (estimate_num_insns_1): Use new CALL_EXPR accessors.
1435         (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1436
1437         * tree-vect-transform.c (vect_create_epilog_for_reduction):  Use
1438         TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1439         (vectorizable_reduction): Likewise.
1440         (vectorizable_call): Use new CALL_EXPR iterators.
1441         (vectorizable_conversion): Use build_call_expr.
1442         (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1443         (vect_gen_widened_results_half): Use build_call_expr.
1444         (vect_setup_realignment): Likewise.
1445         (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1446
1447         * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1448         (pass_through_call): Likewise.
1449         (compute_object_sizes): Likewise.  Use fold_call_expr instead of
1450         fold_builtin.
1451
1452         * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1453         (tree_gen_pow2_profiler): Likewise.
1454         (tree_gen_one_value_profiler): Likewise.
1455         (tree_gen_ic_func_profiler): Likewise.
1456         (tree_gen_average_profiler): Likewise.
1457         (tree_gen_ior_profiler): Likewise.
1458
1459         * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1460         (find_func_aliases): Use new CALL_EXPR accessors.  Add case
1461         tcc_vl_exp.  Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1462
1463         * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1464         of TREE_CODE_LENGTH.
1465
1466         * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1467         of TREE_CODE_LENGTH.
1468
1469         * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1470         constructor.
1471         (convert_to_integer): Likewise.
1472
1473         * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1474         accessors.
1475
1476 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1477             Brooks Moses  <brooks.moses@codesourcery.com>
1478             Lee Millward  <lee.millward@codesourcery.com>
1479
1480         * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1481         accessors.
1482         * config/frv/frv.c (frv_expand_builtin): Likewise.
1483         * config/s390/s390.c (s390_expand_builtin): Likewise.
1484
1485         * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1486         (sparc_expand_builtin): Use new CALL_EXPR accessors.
1487
1488         * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1489         (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1490         instead of arglist.  Use new CALL_EXPR accessors on it.  Fix callers.
1491         (ix86_expand_store_builtin): Likewise.
1492         (ix86_expand_unop_builtin): Likewise.
1493         (ix86_expand_unop1_builtin): Likewise.
1494         (ix86_expand_sse_compare): Likewise.
1495         (ix86_expand_sse_comi): Likewise.
1496         (ix86_expand_vec_init_builtin): Likewise.
1497         (ix86_expand_vec_ext_builtin): Likewise.
1498         (ix86_expand_vec_set_builtin): Likewise.
1499         (ix86_expand_builtin): Use new CALL_EXPR accessors.
1500
1501         * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1502         * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1503
1504         * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1505         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1506         (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1507
1508         * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1509         build_call_expr.
1510         * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1511         (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1512         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1513         (altivec_expand_abs_builtin): Likewise.
1514         (rs6000_expand_binop_builtin): Likewise.
1515         (altivec_expand_predicate_builtin): Likewise.
1516         (altivec_expand_lv_builtin): Likewise.
1517         (spe_expand_stv_builtin): Likewise.
1518         (altivec_expand_stv_builtin): Likewise.
1519         (rs6000_expand_ternop_builtin): Likewise.
1520         (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1521         (altivec_expand_st_builtin): Likewise.
1522         (altivec_expand_dst_builtin): Likewise.
1523         (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1524         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1525         (altivec_expand_vec_set_builtin): Likewise.
1526         (altivec_expand_vec_ext_builtin): Likewise.
1527         (altivec_expand_builtin): Use new CALL_EXPR accessors.
1528         (spe_expand_builtin): Likewise.
1529         (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1530         arglist.  Use new CALL_EXPR accessors.  Fix callers.
1531         (spe_expand_evsel_builtin): Likewise.
1532         (rs6000_expand_builtin): Use new CALL_EXPR accessors.  VCFUX and
1533         FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1534
1535         * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1536         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1537         (arm_expand_unop_builtin): Likewise.
1538         (arm_expand_builtin): Use new CALL_EXPR accessors.
1539
1540         * config/mips/mips.c (mips_expand_builtin):  Use new CALL_EXPR
1541         accessors.
1542
1543         * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1544         instead of arglist.  Use new CALL_EXPR accessors.  Fix callers.
1545         (bfin_expand_unop_builtin): Likewise.
1546         (bfin_expand_builtin): Use new CALL_EXPR accessors.
1547
1548 2007-02-15  Sandra Loosemore  <sandra@codesourcery.com>
1549             Brooks Moses  <brooks.moses@codesourcery.com>
1550             Lee Millward  <lee.millward@codesourcery.com>
1551
1552         * c-semantics.c (build_stmt): Add internal diagnostic check.
1553
1554         * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1555         accessors.  Print arguments explicitly instead of as a list.
1556
1557         * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1558
1559         * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1560         (c_finish_omp_flish): Likewise.
1561
1562         * c-common.c (verify_tree): Use new CALL_EXPR accessors.  Traverse
1563         arguments explicitly instead of as a list.  Use TREE_OPERAND_LENGTH
1564         instead of TREE_CODE_LENGTH.
1565         (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1566         (c_warn_unused_result): Likewise.
1567
1568 2007-02-15  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1569
1570         PR c/26494
1571         * doc/invoke.texi (Warning Options): Remove
1572         -Werror-implicit-function-declaration.
1573         (Wimplicit-function-declaration): Update description.
1574         * opts.c (common_handle_option): Move handling of -Werror=* to...
1575         (enable_warning_as_error): ...here.
1576         * opts.h (enable_warning_as_error): Declare.
1577         * c-decl.c (implicit_decl_warning): Unless
1578         -Wno-implicit-function-declaration is given, emit a pedwarn if
1579         -std=c99 or emit a warning if -Wimplicit-function-declaration.
1580         * c.opt (Wimplicit-function-declaration): Replace
1581         mesg_implicit_function_declaration with
1582         warn_implicit_function_declaration.
1583         * c-opts.c (c_common_handle_option):
1584         -Werror-implicit-function-declaration is exactly equal as
1585         -Werror=implicit-function-declaration.
1586         (set_Wimplicit): Replace mesg_implicit_function_declaration with
1587         warn_implicit_function_declaration.
1588         (c_common_post_options): -Wimplict-function-declaration is enabled
1589         by default by -std=c99, otherwise is disabled by default.
1590         * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1591
1592 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1593
1594         * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1595         DECL on the rhs to a DECL on the lhs for debug info purposes if the
1596         former is ignored but not the latter.
1597
1598 2007-02-15  Eric Botcazou  <ebotcazou@adacore.com>
1599
1600         * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1601         is made and the reference doesn't use the alias set of its type,
1602         do not create the temporary using that type.
1603
1604 2007-02-15  Aldy Hernandez  <aldyh@redhat.com>
1605
1606         * jump.c: Remove prototypes for delete_computation and
1607         delete_prior_computation.
1608
1609 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1610
1611         * jump.c (get_label_after): Delete.
1612         (get_label_before, delete_computation, delete_jump,
1613         delete_prior_computation, follow_jumps): Move...
1614         * reorg.c (delete_computation, delete_prior_computation): ... here...
1615         (get_label_before, delete_jump): ... making these static ...
1616         (follow_jumps): ... and simplifying this since it only runs after
1617         reload.
1618         * rtl.h (get_label_after, get_label_before, delete_jump,
1619         follow_jumps): Delete prototypes.
1620
1621 2007-02-15  Paolo Bonzini  <bonzini@gnu.org>
1622
1623         * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1624
1625 2007-02-15  Nick Clifton  <nickc@redhat.com>
1626
1627         * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1628         order to prevent it from being munged by the target.
1629
1630 2007-02-15  Uros Bizjak  <ubizjak@gmail.com>
1631
1632         * config/i386/i386.md: Remove misleading comment.
1633
1634 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1635
1636         * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1637         reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1638         invalid patterns.
1639
1640 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1641
1642         * tree-sra.c (instantiate_missing_elements): Canonicalize
1643         bit-field types.
1644         (sra_build_assignment): New.
1645         (generate_copy_inout, generate_element_copy,
1646         generate_element_zero, generate_one_element_init): Use it.
1647
1648 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1649
1650         * tree-sra.c (instantiate_missing_elements): Canonicalize
1651         bit-field types.
1652         (sra_build_assignment): New.
1653         (generate_copy_inout, generate_element_copy,
1654         generate_element_zero, generate_one_element_init): Use it.
1655
1656 2007-02-15  Alexandre Oliva  <aoliva@redhat.com>
1657
1658         * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1659         limbo die nodes.
1660
1661 2007-02-14  Joseph Myers  <joseph@codesourcery.com>
1662
1663         * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1664         types as aggregates not scalars.
1665         * function.c (assign_stack_temp_for_type): Likewise.
1666
1667 2007-02-14  Roger Sayle  <roger@eyesopen.com>
1668             Zdenek Dvorak  <dvorakz@suse.cz>
1669
1670         * tree-dump.c (dump_switch_p_1): Require exact match of the option
1671         name.
1672
1673 2007-02-14  Zdenek Dvorak  <dvorakz@suse.cz>
1674
1675         * passes.c (next_pass_1): Clear the next field of the copied
1676         pass structure.
1677
1678 2007-02-14  Richard Henderson  <rth@redhat.com>
1679
1680         * tree-sra.c (early_sra): New.
1681         (decl_can_be_decomposed_p): Deny va_list if early_sra.
1682         (tree_sra_early, pass_sra_early): New.
1683         * tree-pass.h (pass_sra_early): Declare.
1684         * passes.c (init_optimization_passes): Use it.
1685
1686 2007-02-14  Richard Guenther  <rguenther@suse.de>
1687
1688         * flags.h (issue_strict_overflow_warning): Convert to a macro.
1689
1690 2007-02-14  Dorit Nuzman  <dorit@il.ibm.com>
1691
1692          PR tree-optimization/30771
1693         * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1694         also phi nodes.
1695         (vect_analyze_operations): Induction phis can now be marked as
1696         used_in_loop.
1697         (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1698         Update documentation accordingly.
1699
1700 2007-02-14  Nick Clifton  <nickc@redhat.com>
1701
1702         * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1703         most 3 arguments are supported.
1704         (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1705
1706 2007-02-13  Seongbae Park <seongbae.park@gmail.com>
1707
1708         * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1709         Ensure dst->current is valid.
1710
1711 2007-02-13  Paul Brook  <paul@codesourcery.com>
1712
1713         * config.gcc: Add arm*-*-uclinux-*eabi.
1714         * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1715         (SUBTARGET_EXTRA_LINK_SPEC): Define.
1716         (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1717         (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1718         (LINK_SPEC): Define.
1719         (LIB_SPEC): Define.
1720         * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1721         register.
1722         * config/arm/uclinux-eabi.h: New file.
1723         * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1724         * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1725         based targets.
1726
1727 2007-02-13  Ian Lance Taylor  <iant@google.com>
1728
1729         * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1730         * flags.h (warn_strict_overflow): Declare.
1731         (enum warn_strict_overflow_code): Define.
1732         (issue_strict_overflow_warning): New static inline function.
1733         * opts.c (warn_strict_overflow): New variable.
1734         (common_handle_option): Handle OPT_Wstrict_overflow and
1735         OPT_Wstrict_overflow_.
1736         * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1737         OPT_Wall.
1738         * fold-const.c: Include intl.h.
1739         (fold_deferring_overflow_warnings): New static variable.
1740         (fold_deferred_overflow_warning): New static variable.
1741         (fold_deferred_overflow_code): New static variable.
1742         (fold_defer_overflow_warnings): New function.
1743         (fold_undefer_overflow_warnings): New function.
1744         (fold_undefer_and_ignore_overflow_warnings): New function.
1745         (fold_deferring_overflow_warnings_p): New function.
1746         (fold_overflow_warning): New static function.
1747         (make_range): Add strict_overflow_p parameter.  Change all
1748         callers.
1749         (extract_muldiv, extract_muldiv_1): Likewise.
1750         (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1751         tree_expr_nonnegative_p.
1752         (fold_negate_expr): Call fold_overflow_warning.
1753         (fold_range_test): Likewise.
1754         (fold_comparison): Likewise.
1755         (fold_binary): Likewise.  Call tree_expr_nonnegative_warnv_p
1756         instead of tree_expr_nonnegative_p.
1757         (tree_expr_nonnegative_warnv_p): Rename from
1758         tree_expr_nonnegative_p, add strict_overflow_p parameter.
1759         (tree_expr_nonnegative_p): New function.
1760         (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1761         strict_overflow_p parameter.
1762         (tree_expr_nonzero_p): New function.
1763         * passes.c (verify_interpass_invariants): New static function.
1764         (execute_one_pass): Call it.
1765         * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1766         warnings.
1767         (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1768         (estimate_numbers_of_iterations): Likewise.
1769         (scev_probably_wraps_p): Likewise.
1770         * tree-ssa-ccp.c: Include "toplev.h".
1771         (evaluate_stmt): Defer fold overflow warnings until we know we are
1772         going to optimize.
1773         (struct fold_stmt_r_data): Add stmt field.
1774         (fold_stmt_r): Defer fold overflow warnings until we know we
1775         optimized.
1776         (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1777         (fold_stmt_inplace): Likewise.
1778         * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1779         (cleanup_control_expr_graph): Defer fold overflow warnings until
1780         we know we are going to optimize.
1781         * tree-cfg.c (fold_cond_expr_cond): Likewise.
1782         * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1783         Likewise.
1784         * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1785         tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1786         * tree-ssa-loop-manip.c (create_iv): Likewise.
1787         * c-typeck.c (build_conditional_expr): Likewise.
1788         (build_binary_op): Likewise.
1789         * tree-vrp.c (vrp_expr_computes_nonzero): Call
1790         tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1791         (extract_range_from_unary_expr): Likewise.
1792         * simplify-rtx.c (simplify_const_relational_operation): Warn when
1793         assuming that signed overflow does not occur.
1794         * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1795         * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1796         (fold_defer_overflow_warnings): Declare.
1797         (fold_undefer_overflow_warnings): Declare.
1798         (fold_undefer_and_ignore_overflow_warnings): Declare.
1799         (fold_deferring_overflow_warnings_p): Declare.
1800         (tree_expr_nonzero_warnv_p): Declare.
1801         * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1802         of warning options.
1803         (Warning Options): Document -Wstrict-overflow.
1804         * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1805         (tree-ssa-ccp.o): Likewise.
1806         (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1807         (fold-const.o): Depend on intl.h.
1808
1809 2007-02-13  Ian Lance Taylor  <iant@google.com>
1810
1811         PR middle-end/30751
1812         * lower-subreg.c (resolve_simple_move): Decompose subregs in
1813         addresses.
1814
1815 2007-02-13  Stuart Hastings  <stuart@apple.com>
1816
1817         * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1818
1819 2007-02-13  Richard Henderson  <rth@redhat.com>
1820
1821         * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1822         handled_component_p before looking for the indirect_ref.
1823
1824 2007-02-13  Richard Henderson  <rth@redhat.com>
1825
1826         * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1827         remove flags clobber.
1828         (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1829         (bswaphi_lowpart): New.
1830         (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1831         remove TARGET_BSWAP test.  Delete expander of the same name.
1832
1833         * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1834         (expand_unop): Use them.
1835
1836 2007-02-13  Uros Bizjak  <ubizjak@gmail.com>
1837
1838         * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1839         *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1840         *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1841         *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1842         *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1843         *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1844         *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1845         assembler dialect choice from asm templates.
1846
1847 2007-02-12  Richard Henderson  <rth@redhat.com>
1848
1849         * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1850         (fixuns_trunc<SSEMODEF>si2): Use it.
1851         * config/i386/sse.md (vec_setv4sf_0): Export.
1852         * config/i386/i386.c (ix86_build_const_vector): Export.
1853         (ix86_split_convert_uns_si_sse): Rename from
1854         ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1855         * config/i386/i386-protos.h: Update.
1856
1857 2007-02-13  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1858
1859         PR c/29521
1860         * c-typeck.c (c_finish_return): Improve warning message.
1861
1862 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1863
1864         * alias.c (find_symbolic_term): Delete unused function.
1865
1866 2007-02-12  Uros Bizjak  <ubizjak@gmail.com>
1867
1868         * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1869         (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1870         (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1871
1872 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1873
1874         * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1875         * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1876         the function, temporarily point the debug interface to the null one.
1877
1878 2007-02-12  Eric Botcazou  <ebotcazou@adacore.com>
1879
1880         * dwarf2out.c (round_up_to_align): New static function.
1881         (field_byte_offset): Use it to round the offset.
1882
1883 2007-02-12  Richard Henderson  <rth@redhat.com>
1884
1885         * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1886         (inswl_const): Export.
1887
1888 2007-02-12  Richard Henderson  <rth@redhat.com>
1889
1890         * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1891         result mode of the libcall, convert back to outmode.
1892
1893 2007-02-12  Roger Sayle  <roger@eyesopen.com>
1894
1895         * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1896         (bswapdi2): New define_expand to implement 32-bit implementation.
1897
1898 2007-02-12  Nick Clifton  <nickc@redhat.com>
1899
1900         * doc/invoke.texi (Overall Options): Document --help=.
1901         * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1902         (cc1_options): Pass --help= on to cc1.
1903         (display_help): Add description of --help=.
1904         (process_command): Add code to handle --help=.  Allow translated
1905         --help and --target-help switches to be passed on to compiler
1906         sub-process.
1907         (main): Remove unused if statement.
1908         * opts.c (columns): Remove.
1909         (LEFT_COLUMN): Define.
1910         (wrap_help): Add columns argument.
1911         (print_filtered_help): Change parameters to be an include bitmask,
1912         an exclude bitmask, an any bitmask and the column width.  Move the
1913         code to display the params list here.  Add code to display the
1914         status of options rather than their descriptions if the quiet flag
1915         is not active.
1916         (print_specific_help): Change parameters to be an include bitmask,
1917         an exclude bitmask and an any bitmask.  Move code to look up the
1918         column width here.  Decide upon the title for an options listing.
1919         (common_handle_options): Add code to handle --help=.  Adapt code
1920         for --help and --target-help to use the revised form of the
1921         print_specific_help function.
1922         (print_help): Delete.
1923         (print_param_help): Delete.
1924         (print_switch): Delete.
1925         * opts.h (cl_lang_count): Add prototype.
1926         (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1927         CL_MAX_OPTION_CLASS): New defines.
1928         * optc-gen.awk: Add construction of cl_lang_count.
1929         * c.opt: Add Warning attribute to warning options and Optimization
1930         attribute to optimization options.
1931         * common.opt: Likewise.
1932         Add --help=.
1933         Add -fhelp and -ftarget-help as aliases for the transformed --help
1934         and --target-help options.
1935         * opt-functions.awk: Add code to handle Warning and Optimization
1936         attributes.
1937
1938 2007-02-12  Richard Henderson  <rth@redhat.com>
1939
1940         * config/alpha/constraints.md: New file.
1941         * config/alpha/alpha.c: Include tm-constrs.h.
1942         (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1943         alpha_extra_constraint): Remove.
1944         (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1945         * config/alpha/alpha-protos.h: Update.
1946         * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1947         (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1948         (EXTRA_CONSTRAINT): Remove.
1949         * config/alpha/alpha.md: Include constraints.md.
1950         (adddi splitter): Use satisfies_constraint_*.
1951         * config/alpha/predicates.md (add_operand): Likewise.
1952         (sext_add_operand, addition_operation): Likewise.
1953
1954 2007-02-12  Dorit Nuzman  <dorit@il.ibm.com>
1955
1956         PR tree-optimization/29145
1957         * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1958         in our handling of restrict qualified pointers.
1959
1960 2007-02-12  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1961
1962         PR middle-end/7651
1963         * doc/invoke.texi (Wunused-value): Update description.
1964         (Wextra): Delete item.
1965         * opts.c (set_Wextra): Don't use the value of Wextra to set the
1966         value of Wunused-value.
1967         * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1968         (c_finish_stmt_expr): Don't check extra_warnings.
1969         (emit_side_effect_warnings): The caller is responsible to check
1970         warn_unused_value.
1971
1972 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1973             Matt Thomas  <matt@3am-software.com>
1974
1975         * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
1976
1977 2007-02-11  Roger Sayle  <roger@eyesopen.com>
1978
1979         * simplify-rtx.c (simplify_relational_operation_1): Optimize
1980         comparisons of POPCOUNT against zero.
1981         (simplify_const_relational_operation): Likewise.
1982
1983 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1984
1985         * doc/invoke.texi (Wextra): Delete outdated paragraph.
1986
1987 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1988
1989         * dwarf2out.c (root_type): Delete unused function.
1990
1991 2007-02-11  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
1992
1993         * genattrtab.c (contained_in_p): Delete unused function.
1994         (write_expr_attr_cache): Likewise.
1995
1996 2007-02-11  Jan Hubicka  <jh@suse.cz>
1997
1998         * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
1999         previous patch.
2000
2001 2007-02-11  Steven Bosscher  <steven@gcc.gnu.org>
2002
2003         * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
2004         to add the REG_EQ* note.
2005         * see.c (see_merge_one_use_extension): Likewise.
2006         * local-alloc.c (update_equiv_regs): Likewise.  Also don't
2007         turn REG_EQUAL notes into REG_EQUIV notes if the target
2008         register may have more than one set.
2009         * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
2010         * gcse.c (try_replace_reg): Likewise.
2011         * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
2012         * calls.c (fixup_tail_calls): Likewise.  Abort if there is
2013         more than one REG_EQUIV note.
2014         * reload1.c (gen_reload): Use set_unique_reg_note.
2015
2016 2007-02-11  Uros Bizjak  <ubizjak@gmail.com>
2017
2018         * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
2019         (ix86_builtin_conversion): New function.
2020
2021 2007-02-06  Mark Mitchell  <mark@codesourcery.com>
2022
2023         PR target/29487
2024         * tree.h (DECL_REPLACEABLE_P): New macro.
2025         * except.c (set_nothrow_function_flags): Likewise.
2026
2027 2007-02-11  Tehila Meyzels  <tehila@il.ibm.com>
2028             Ira Rosen  <irar@il.ibm.com>
2029             Dorit Nuzman  <dorit@il.ibm.com>
2030
2031         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
2032         * targhooks.c (default_builtin_vectorized_conversion): New.
2033         * targhooks.h (default_builtin_vectorized_function): New declaration.
2034         * target.h (struct vectorize): Add builtin_conversion field.
2035         * tree-vectorizer.h (type_conversion_vec_info_type): New enum
2036         stmt_vec_info_type value.
2037         (vectorizable_conversion): New declaration.
2038         * tree-vect-analyze.c (vect_analyze_operations): Add
2039         vectorizable_conversion call.
2040         * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
2041         * tree-vect-transform.c (vectorizable_conversion): New function.
2042         (vect_transform_stmt): Add case for type_conversion_vec_info_type.
2043         * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2044         mode.
2045         * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
2046         (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
2047         (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
2048         or ALTIVEC_BUILTIN_VCFSX.
2049
2050 2007-02-10  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2051
2052         PR target/30634
2053         * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
2054         CONST_DOUBLE and operand 0 is a hard register.
2055         (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
2056         memory.  Fail if operand 1 is a non-zero CONST_INT and operand 0
2057         is a hard floating-point register.
2058
2059 2007-02-10  Richard Henderson  <rth@redhat.com>
2060             Jakub Jelinek  <jakub@redhat.com>
2061             Alexandre Oliva  <aoliva@redhat.com>
2062
2063         * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
2064         * builtin-types.def (BT_WORD): Make unsigned.
2065         (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2066         * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2067         (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2068         * c-decl.c (grokdeclarator): Don't error if !have_tls.
2069         * c-parser.c (c_parser_omp_threadprivate): Likewise.
2070         * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2071         emulated tls.
2072         * expr.c (emutls_var_address): New.
2073         (expand_expr_real_1): Expand emulated tls.
2074         (expand_expr_addr_expr_1): Likewise.
2075         * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2076         * output.h (emutls_finish): Declare.
2077         * toplev.c (compile_file): Call it.
2078         * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2079         address before wrapping in CONST.
2080         * varasm.c (emutls_htab, emutls_object_type): New.
2081         (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2082         (get_emutls_object_name, get_emutls_object_type): New.
2083         (get_emutls_init_templ_addr, emutls_decl): New.
2084         (emutls_common_1, emutls_finish): New.
2085         (assemble_variable): When emulating tls, swap decls; generate
2086         constructor for the emutls objects.
2087         (do_assemble_alias): When emulating tls, swap decl and target name.
2088         (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2089         for emulated tls.
2090         * varpool.c (decide_is_variable_needed): Look at force_output.
2091         Recurse for emulated tls.
2092         (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
2093         with decide_is_variable_needed.
2094         * emutls.c: New file.
2095         * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2096         tls_object for real tls.
2097
2098 2007-02-10  Kaz Kojima  <kkojima@gcc.gnu.org>
2099
2100         PR rtl-optimization/29599
2101         * reload1.c (eliminate_regs_in_insn): Take the destination
2102         mode into account when computing the offset.
2103
2104 2007-02-09  Stuart Hastings  <stuart@apple.com>
2105             Richard Henderson  <rth@redhat.com>
2106
2107         * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2108         * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2109         * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
2110         fixuns_truncdfhi2): New.
2111         (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
2112         (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
2113         (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
2114         (floatunssidf2): Allow nonimmediate source.
2115         * gcc/config/i386/sse.md (movdi_to_sse): New.
2116         (vec_concatv2di): Drop '*'.
2117         * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
2118         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2119         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
2120         New.
2121         * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
2122         ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2123         ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
2124         ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
2125         (ix86_build_signbit_mask): Fix decl of v, refactor to call
2126         ix86_build_const_vector.
2127         (x86_emit_floatuns): Rewrite.
2128
2129 2007-02-10  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
2130
2131         * genautomata.c (longest_path_length): Delete unused function.
2132         (struct state): Delete unused longest_path_length.
2133         (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
2134         (get_free_state): Delete unused.
2135
2136 2007-02-09  Jan Hubicka  <jh@suse.cz>
2137
2138         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
2139         * doc/invoke.texi (inline-unit-growth): Update default value.
2140
2141         * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
2142         * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
2143         (rebuild_cgraph_edges): Likewise.
2144         * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
2145         (dump_cgraph_node): Dump frequencies.
2146         (cgraph_clone_edge): Add frequency scales.
2147         (cgraph_clone_node): Add freuqnecy.
2148         * cgraph.h (cgraph_edge): Add freuqnecy argument.
2149         (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
2150         (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
2151         * tree-pass.h (TODO_rebuild_frequencies): New constant.
2152         * cgraphunit.c (verify_cgraph_node): Verify frequencies.
2153         (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
2154         (save_inline_function_body): Likewise.
2155         * ipa-inline.c: inluce rtl.h
2156         (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
2157         (cgraph_edge_badness): Use frequencies.
2158         (cgraph_decide_recursive_inlining): Update clonning.
2159         (cgraph_decide_inlining_of_small_function): Dump frequency.
2160         * predict.c (estimate_bb_frequencies): Export.
2161         * predict.h (estimate_bb_frequencies): Declare.
2162         * tree-inline.c (copy_bb): Watch overflows.
2163         (expand_call_inline): Update call of cgraph_create_edge.
2164         (optimize_inline_calls): Use TODO flags to update frequnecies.
2165         * passes.h: Include predict.h
2166         (init_optimization_passes): Move profile ahead.
2167         (execute_function_todo): Handle TODO_rebuild_frequencies.
2168
2169 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2170
2171         * config/alpha/alpha.c (emit_insxl): Force the first operand of
2172         the insbl or inswl pattern into a register.
2173
2174 2007-02-09  Roger Sayle  <roger@eyesopen.com>
2175
2176         * config/ia64/ia64.md (bswapdi2): New define_insn.
2177
2178 2007-02-09  Richard Henderson  <rth@redhat.com>
2179
2180         * config/i386/constraints.md (Ym): New constraint.
2181         * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
2182         (movdi_1_rex64): Split sse and xmm general register moves from
2183         memory move alternatives.  Use conditional register constraints.
2184         (movsf_1, movdf_integer): Likewise.
2185         (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
2186         (movdf_integer_rex64): New.
2187         (pushsf_rex64): Fix output constraints.
2188         * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
2189         (sse2_stored): Likewise.
2190         (sse2_storeq_rex64): New.
2191         * config/i386/i386.c (x86_inter_unit_moves): Enable for not
2192         amd and not generic.
2193         (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
2194         for optimize_size.  Remove SF/DFmode hack.
2195
2196 2007-02-09  Dwarakanath Rajagopal  <dwarak.rajagopal@amd.com>
2197
2198         * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
2199         (bit_SSE4a): New.
2200
2201 2007-02-09  Nathan Sidwell  <nathan@codesourcery.com>
2202             Richard Sandiford  <richard@codesourcery.com>
2203
2204         * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
2205         (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
2206         (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
2207         m68k/t-mlib to tmake_file.
2208         (m68020-*-elf*, m68k-*-elf*): Likewise.  Add t-m68kbare as well.
2209         (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
2210         (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
2211         Allow it to be cf or m68k.  Set m68k_arch_family.  If that
2212         variable is not empty, add t-$m68k_arch_family to tmake_file.
2213         Add t-mlibs to tmake_file.
2214         * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
2215         * config/m68k/t-cf: New file.
2216         * config/m68k/t-m68k: Likewise.
2217         * config/m68k/t-mlibs: Likewise.
2218         * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2219         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2220         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2221         * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2222         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
2223         Delete.
2224         * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
2225         (INSTALL_LIBGCC): Delete.
2226         (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2227         * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2228         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2229         (M68K_MLIB_CPU): Define.
2230         * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2231         (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2232         (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
2233
2234 2007-02-09  Zdenek Dvorak  <dvorakz@suse.cz>
2235             Richard Guenther  <rguenther@suse.de>
2236
2237         PR middle-end/23361
2238         * fold-const.c (fold_comparison): Handle obfuscated comparisons
2239         against INT_MIN/INT_MAX.
2240         * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
2241         file if a loop is removed.
2242
2243 2007-02-09  Joseph Myers  <joseph@codesourcery.com>
2244
2245         * calls.c (store_one_arg): Pass correct alignment to
2246         emit_push_insn for non-BLKmode values.
2247         * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
2248         unaligned stack slot via a suitably aligned slot.
2249
2250 2007-02-08  DJ Delorie  <dj@redhat.com>
2251
2252         * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
2253         warnings.
2254         (legal_subregs): Use unsigned char, make const.
2255         (m32c_illegal_subreg_p): Use ARRAY_SIZE.  Delete unused variables.
2256
2257 2007-02-08  Paul Brook  <paul@codesourcery.com>
2258
2259         * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
2260         special interworking needed.
2261
2262 2007-02-08  Harsha Jagasia  <harsha.jagasia@amd.com>
2263
2264         * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
2265         conditional to __SSE2__.
2266         (Entries below should have been added to first ChangeLog
2267         entry for amdfam10 dated 2007-02-05)
2268         * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
2269         defined.
2270         * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
2271         defined.
2272         * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
2273         defined.
2274
2275 2007-02-08  DJ Delorie  <dj@redhat.com>
2276
2277         * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
2278         * config/m32c/m32c.c (legal_subregs): New.
2279         (m32c_illegal_subreg_p): New.
2280         * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2281         unsupported subregs of hard regs.
2282
2283 2007-02-08  Jan Hubicka  <jh@suse.cz>
2284
2285         * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2286         the same one; always update histograms.
2287
2288 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2289
2290         * passes.c (init_optimization_passes): Tidy comment.
2291
2292 2007-02-08  Roger Sayle  <roger@eyesopen.com>
2293
2294         * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2295         strip zero_extend, bswap and rotates from POCOUNT's argument.
2296         <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2297         zero_extend and rotates from PARITY's argument.
2298         <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2299         (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2300         of an integer constant at compile-time.
2301
2302 2007-02-08  Diego Novillo  <dnovillo@redhat.com>
2303
2304         PR 30562
2305         * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2306         Update all users.
2307         * tree-ssa-alias.c (compute_is_aliased): Remove.  Update all
2308         users.
2309         (init_alias_info):
2310         * tree-ssa-live.c (remove_unused_locals): Do not remove
2311         TREE_ADDRESSABLE variables.
2312         * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2313         * tree-ssa-operands.c (add_virtual_operand): Remove argument
2314         FOR_CLOBBER.  Update all users.
2315         If VAR has an associated alias set, add a virtual operand for
2316         it if no alias is found to conflict with the memory reference.
2317
2318 2007-02-07  Jan Hubicka  <jh@suse.cz>
2319             Robert Kidd <rkidd@crhc.uiuc.edu>
2320
2321         * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2322
2323 2007-02-07  Ian Lance Taylor  <iant@google.com>
2324
2325         * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2326
2327 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2328
2329         * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2330         parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2331         tablejumpdi, movsi_to_cr_one): Remove constraints from
2332         define_expand's match_operands.
2333
2334 2007-02-07  Roger Sayle  <roger@eyesopen.com>
2335
2336         * global.c (compute_regsets): Move declatation of "i" inside of
2337         #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2338
2339 2007-02-07  Jakub Jelinek  <jakub@redhat.com>
2340
2341         PR c++/30703
2342         * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2343         of INDIRECT_REF <RESULT_DECL>.
2344
2345         * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2346
2347 2007-02-06  J"orn Rennecke  <joern.rennecke@arc.com>
2348             Kaz Kojima  <kkojima@gcc.gnu.org>
2349
2350         PR target/29746
2351         * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2352         properly.
2353         (sh_initialize_trampoline): Add parentheses to avoid a warning.
2354
2355 2007-02-06  Zdenek Dvorak <dvorakz@suse.cz>
2356
2357         * doc/loop.texi: Document possibility not to perform disambiguation
2358         of loops with multiple latches.
2359         * cfgloopmanip.c (alp_enum_p): Removed.
2360         (add_loop): Handle subloops.  Use get_loop_body_with_size.
2361         (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2362         * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2363         the new forwarder block.
2364         (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2365         Handle the case latch is NULL.
2366         * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2367         when marking loop exits.
2368         * ifcvt.c (if_convert): Ditto.  Mark loop exits even if cfg cannot
2369         be modified.
2370         * loop-init.c (loop_optimizer_init): Do not modify cfg.  Call
2371         disambiguate_loops_with_multiple_latches.
2372         * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2373         before fix_loop_structure.
2374         * cfgloop.c: Include pointer-set.h and output.h.
2375         (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2376         update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2377         (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2378         find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2379         mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2380         disambiguate_multiple_latches, get_loop_body_with_size,
2381         disambiguate_loops_with_multiple_latches): New functions.
2382         (flow_loop_dump): Dump multiple latch edges.
2383         (flow_loop_nodes_find): Handle loops with multiple latches.
2384         (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2385         (glb_enum_p): Modified.
2386         (get_loop_body): Use get_loop_body_with_size.
2387         * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2388         (AVOID_CFG_MODIFICATIONS): New constant.
2389         (disambiguate_loops_with_multiple_latches, add_loop,
2390         get_loop_body_with_size): Declare.
2391         * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2392
2393 2007-02-06  Seongbae Park <seongbae.park@gmail.com>
2394
2395         PR inline-asm/28686
2396         * global.c (compute_regsets): New function.
2397         (global_alloc): Refactored ELIMINABLE_REGSET
2398         and NO_GLOBAL_ALLOC_REGS computation out.
2399         (rest_of_handle_global_alloc): Call compute_regsets()
2400         for non-optimizing case.
2401
2402 2007-02-06  Richard Henderson  <rth@redhat.com>
2403
2404         * config/i386/constraints.md (Y2): Rename from Y.
2405         (Yi): New constraint.
2406         * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2407         pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2408         zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2409         (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2410         truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2411         fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2412         floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2413         absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2414         fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2415         * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2416         mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2417         vec_extractv2si_1): Change Y constraints to Y2.
2418         * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2419         vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2420         Change Y constraints to Y2.
2421         (sse2_loadld): Change Y constraints to x.
2422
2423 2007-02-06  Roger Sayle  <roger@eyesopen.com>
2424
2425         * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2426         (parity<mode>2): New define_expand using rs6000_emit_parity.
2427         * config/rs6000/rs6000.c (rs6000_emit_popcount,
2428         rs6000_emit_parity): New functions.
2429         * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2430         rs6000_emit_parity): Prototype here.
2431
2432 2007-02-06  Ian Lance Taylor  <iant@google.com>
2433
2434         * lower-subreg.c (simple_move_operand): Reject CONST.
2435         (resolve_clobber): Call validate_change rather than directly
2436         assigning to XEXP (pat, 0).
2437
2438 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2439
2440         * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2441         (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2442         (tree-cfg.o): Remove hashtab.h dependency.
2443
2444         * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2445         (struct ivopts_data): Change niters to pointer_map_t.
2446         (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2447         (niter_for_exit): Create pointer_map on demand.  Change for
2448         pointer_map API.
2449         (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2450         (free_loop_data): Destroy data->niters if created and reset field.
2451         (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2452         (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2453
2454         * tree-ssa-reassoc.c: Include pointer-set.h.
2455         (bb_rank): Change to long *.
2456         (operand_rank): Change to pointer_map_t.
2457         (find_operand_rank): Return long, -1 if not found.  Declare as inline.
2458         (insert_operand_rank): Accept long.
2459         (operand_entry_hash, operand_entry_eq): Remove.
2460         (get_rank): Return long.  Adjust for changes above.
2461         (init_reassoc): Change rank type to long.  Adjust creation of bb_rank
2462         and operand_rank.
2463         (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2464
2465         * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2466         (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2467         (insert_vi_for_tree): Rewrite for pointer_map API.  Assert argument
2468         is not NULL.
2469         (lookup_vi_for_tree): Rewrite for pointer_map API.  Return varinfo_t
2470         directly since it cannot be NULL.
2471         (get_vi_for_tree): Rewrite for pointer_map API.
2472         (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2473         (init_alias_vars): Create vi_for_tree as pointer_map.
2474         (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2475
2476         * tree-cfg.c: Don't include hashtab.h.
2477         (edge_to_cases): Declare as pointer_map.
2478         (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2479         Delete.
2480         (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2481         (start_recording_case_labels): Create edge_to_cases as pointer_map.
2482         (end_recoding_case_labels): Cleanup edge_to_cases manually before
2483         destroying it.
2484         (record_switch_edge): Delete.
2485         (get_cases_for_edge): Adjust for pointer_map API, inline
2486         record_switch_edge (rewritten for new API), remove goto.
2487
2488 2006-02-06  Paolo Bonzini  <bonzini@gnu.org>
2489
2490         * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2491         * tree-nested.c: Include pointer-set.h.
2492         (var_map_elt, var_map_eq, var_map_hash): Delete.
2493         (struct nesting_info): Remove GTY marker.  Change the two htab_t's
2494         to pointer_map_t's.
2495         (nesting_info_bitmap_obstack): New.
2496         (lookup_field_for_decl): Adjust for pointer_map API.
2497         (lookup_tramp_for_decl): Adjust for pointer_map API.
2498         (get_nonlocal_debug_decl): Adjust for pointer_map API.
2499         (get_local_debug_decl): Adjust for pointer_map API.
2500         (convert_nl_goto_reference): Adjust for pointer_map API.
2501         (convert_nl_goto_receiver): Adjust for pointer_map API.
2502         (create_nesting_tree): Create outside GGC space.  Create bitmap on
2503         the new obstack.  Create field_map and var_map as pointer_maps.
2504         (free_nesting_tree): Adjust for changes to create_nesting_tree.
2505         (root): Delete.
2506         (lower_nested_functions): Move root here, no need to NULL it.
2507         Initialize and release the obstack.
2508
2509 2007-02-06  Paolo Bonzini  <bonzini@gnu.org>
2510
2511         * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2512         Remove prototypes and make them non-static.
2513         (struct tree_int_map): Remove.
2514         * tree.h (struct tree_int_map): Move here, turning TO into an
2515         unsigned int.
2516         (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2517
2518         * tree.h (TREE_COMPLEXITY): Remove.
2519         (struct tree_exp): Remove complexity field.
2520         * tree.c (build1_stat): Don't set it.
2521
2522 2007-02-06  Dorit Nuzman  <dorit@il.ibm.com>
2523             Victor Kaplansky  <victork@il.ibm.com>
2524
2525         * tree-vectorizer.c (vect_is_simple_use): Support induction.
2526         (vect_is_simple_reduction): Support reduction with induction as
2527         one of the operands.
2528         (vect_is_simple_iv_evolution): Fix formatting.
2529         * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2530         formatting.  Don't mark induction phis for vectorization.
2531         (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2532         * tree-vect-transform.c (get_initial_def_for_induction): New function.
2533         (vect_get_vec_def_for_operand): Support induction.
2534         (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2535         induction case.
2536         (vectorizable_reduction): Support reduction with induction as one of
2537         the operands.
2538         (vectorizable_type_demotion): Use def-type of stmt argument rather
2539         than dummy def-type.
2540
2541         * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2542         flag_tree_scev_cprop.
2543         * common.opt (tree-scev-cprop): New flag.
2544
2545         * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2546         call to vect_get_new_vect_var.
2547
2548 2007-02-06  Ira Rosen  <irar@il.ibm.com>
2549
2550         * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2551         vectype is not NULL.
2552         (vect_pattern_recog_1): Likewise.
2553
2554 2007-02-05  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2555
2556         * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2557         (fold_negate_expr): Likewise.
2558
2559 2007-02-05  Alexandre Oliva  <aoliva@redhat.com>
2560
2561         PR debug/30189
2562         * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2563         even if cv-qualification is the same.
2564
2565 2007-02-05  Geoffrey Keating  <geoffk@apple.com>
2566
2567         * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2568         __enable_execute_stack on completion.
2569
2570 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2571
2572         * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2573         athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2574         athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2575         athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2576         athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2577         athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2578         athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2579         athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2580
2581 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2582
2583         * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2584         cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2585         swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2586         fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2587         x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2588         floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2589         floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2590         mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2591         umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2592         umuldi3_highpart_rex64, umulsi3_highpart_insn,
2593         umulsi3_highpart_zext, smuldi3_highpart_rex64,
2594         smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2595         x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2596         sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2597         sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2598         sqrtextenddfxf2_i387): Added amdfam10_decode.
2599
2600         * config/i386/athlon.md (athlon_idirect_amdfam10,
2601         athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2602         athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2603         athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2604         athlon_ivector_store_amdfam10): New define_insn_reservation.
2605         (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2606         amdfam10.
2607
2608 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2609
2610         * config/i386/athlon.md (athlon_call_amdfam10,
2611         athlon_pop_amdfam10, athlon_lea_amdfam10): New
2612         define_insn_reservation.
2613         (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2614         athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2615         athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2616
2617 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2618
2619         * config/i386/athlon.md (athlon_sseld_amdfam10,
2620         athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2621         athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2622
2623 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2624
2625         * config/i386/athlon.md (athlon_sseins_amdfam10): New
2626         define_insn_reservation.
2627         * config/i386/i386.md (sseins): Added sseins to define_attr type
2628         and define_attr unit.
2629         * config/i386/sse.md: Set type attribute to sseins for insertq
2630         and insertqi.
2631
2632 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2633
2634         * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2635         ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2636         ssecomi_load_amdfam10, ssecomi_amdfam10,
2637         sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2638         define_insn_reservation.
2639         (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2640
2641 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2642
2643         * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2644         cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2645         cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2646         cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2647         cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2648         cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2649         define_insn_reservation.
2650
2651         * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2652         cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2653         cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2654         cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2655         cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2656
2657 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2658
2659         * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2660         athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2661         athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2662         (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2663         athlon_ssemul_load_k8): Added amdfam10.
2664
2665 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2666
2667         * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2668         (x86_sse_unaligned_move_optimal): New variable.
2669
2670         * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2671         m_AMDFAM10.
2672         (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2673         for unaligned vector SSE double/single precision loads for AMDFAM10.
2674
2675 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2676
2677         * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2678         (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2679         Define TARGET_CPU_DEFAULT_amdfam10.
2680         (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2681         (processor_type): Add PROCESSOR_AMDFAM10.
2682
2683         * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2684         processor_type in config/i386/i386.h.
2685         Enable imul peepholes for TARGET_AMDFAM10.
2686
2687         * config.gcc: Add support for --with-cpu option for amdfam10.
2688
2689         * config/i386/i386.c (amdfam10_cost): New variable.
2690         (m_AMDFAM10): New macro.
2691         (m_ATHLON_K8_AMDFAM10): New macro.
2692         (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2693         x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2694         x86_promote_QImode, x86_integer_DFmode_moves,
2695         x86_partial_reg_dependency, x86_memory_mismatch_stall,
2696         x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2697         x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2698         x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2699         x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2700         Enable/disable for amdfam10.
2701         (override_options): Add amdfam10_cost to processor_target_table.
2702         Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2703         processor_alias_table.
2704         (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2705         (ix86_adjust_cost): Add code for amdfam10.
2706
2707 2007-02-05  Harsha Jagasia  <harsha.jagasia@amd.com>
2708
2709         * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2710         instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2711         instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2712         * config/i386/i386.h: Add builtin definition for SSE4A.
2713         * config/i386/i386.md: Add support for ABM instructions
2714         (popcnt and lzcnt).
2715         * config/i386/sse.md: Add support for SSE4A instructions
2716         (movntss, movntsd, extrq, insertq).
2717         * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2718         Add -march=amdfam10 flag.
2719         * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2720         * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2721         and amdfam10.
2722         * doc/extend.texi: Add documentation for SSE4A builtins.
2723
2724 2007-02-05  Bob Wilson  <bob.wilson@acm.org>
2725
2726         * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2727
2728 2007-02-05  Richard Guenther  <rguenther@suse.de>
2729
2730         * tree-vectorizer.h (vectorizable_function): Add argument type
2731         argument, change return type.
2732         * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2733         * tree-vect-transform.c (vectorizable_function): Handle extra
2734         argument, return vectorized function decl.
2735         (build_vectorized_function_call): Remove.
2736         (vectorizable_call): Handle calls with result and argument types
2737         differing.  Handle loop vectorization factor correctly.
2738         * targhooks.c (default_builtin_vectorized_function): Adjust for
2739         extra argument.
2740         * targhooks.h (default_builtin_vectorized_function): Likewise.
2741         * target.h (builtin_vectorized_function): Add argument type
2742         argument.
2743         * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2744         extra argument, allow vectorizing of lrintf.
2745         * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2746         documentation of target hook.
2747
2748 2007-02-05  Hans-Peter Nilsson  <hp@axis.com>
2749
2750         PR target/30665
2751         * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2752         ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2753         memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2754
2755 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2756
2757         * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2758         BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2759         <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2760         * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2761         before canonicalizing sincos to cexpi.
2762         (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2763
2764 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2765
2766         * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2767         Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2768         (alpha_init_builtins): Use alpha_add_builtins to process tables.
2769
2770 2007-02-05  Roger Sayle  <roger@eyesopen.com>
2771
2772         * mips-tfile.c (initialize_init_file): Correct endianness test.
2773
2774 2007-02-05  Kazu Hirata  <kazu@codesourcery.com>
2775
2776         * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2777         the 'y' constraint.
2778
2779 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2780
2781         * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2782         saves in a PARALLEL before the register assignments.
2783
2784 2007-02-05  Richard Sandiford  <richard@codesourcery.com>
2785
2786         * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2787         DWARF_FRAME_RETURN_COLUMN to be a general register.
2788         * dwarf2out.c (init_return_column_size): New function, split from...
2789         (expand_builtin_init_dwarf_reg_sizes): ...here.  Allow both
2790         DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2791         to be nongeneral registers.
2792         * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2793         integer registers.
2794         (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2795         (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2796
2797 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2798
2799         * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2800
2801 2007-02-04  Zdenek Dvorak <dvorakz@suse.cz>
2802
2803         * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2804         (remove_path): Use can_remove_branch_p and remove_branch instead
2805         of loop_delete_branch_edge.
2806         * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2807         (tree_transform_and_unroll_loop): Remove dead branches immediately.
2808         Update profile using scale_dominated_blocks_in_loop.
2809         * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2810         * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2811         (can_remove_branch_p, remove_branch): Declare.
2812         * tree-cfg.c (tree_can_remove_branch_p): New function.
2813         (tree_cfg_hooks): Add tree_can_remove_branch_p.
2814         * cfgrtl.c (rtl_can_remove_branch_p): New function.
2815         (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2816
2817 2007-02-05  Jan Hubicka  <jh@suse.cz>
2818
2819         PR middle-end/30696
2820         * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2821         nodes in cgraph, don't remove offline copy of the function.
2822
2823 2007-02-04  Jan Hubicka  <jh@suse.cz>
2824
2825         * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2826         vectors might cause maybe_lookup_element_for_expr to be called
2827         on non-sra-candidate.
2828
2829 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2830
2831         * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2832         config/bfin/bfin.md, config/bfin/predicates.md: Follow
2833         spelling conventions.
2834
2835 2007-02-04  Richard Guenther  <rguenther@suse.de>
2836
2837         PR middle-end/30636
2838         * fold-const.c (try_move_mult_to_index): Make sure to not
2839         overflow one dimension of a multi-dimensional array access.
2840
2841 2007-02-04  Jan Hubicka  <jh@suse.cz>
2842
2843         * passes.c (init_optimization_passes): Reindent.
2844
2845 2007-02-04  Jan Hubicka  <jh@suse.cz>
2846             Eric Botcazou  <ebotcazou@adacore.com>
2847
2848         * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2849         (execute_fixup_cfg): Break out the abnormal goto code.
2850         * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2851         (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2852         (optimize_inline_calls): Call make_nonlocal_label_edges.
2853
2854 2007-02-04  Jan Hubicka  <jh@suse.cz>
2855
2856         * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2857         true when something was changed.
2858         (rename_ssa_copies): When something was changed, do
2859         TODO_remove_unused_locals.
2860         * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2861         add TODO_remove_unused_locals when instruction was removed.
2862
2863 2007-02-04  Jan Hubicka  <jh@suse.cz>
2864
2865         * ipa-inline.c (try_inline): Improve debug output; work on already
2866         inline edges too.
2867         (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2868         call try_inline for already inlined edges too when flattening;
2869         inline also functions that make callee growth but overall unit size
2870         reduce.
2871
2872 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2873
2874         * config/m32c/bitops.md, config/m32c/jump.md,
2875         config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2876         config/m32r/m32r.h, config/m32r/m32r.md,
2877         config/m32r/predicates.md, config/m68hc11/larith.asm,
2878         config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2879         config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2880         config/mips/mips-protos.h, config/mips/mips.c,
2881         config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2882         config/mn10300/mn10300.h, config/mn10300/predicates.md,
2883         config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2884         spelling conventions.
2885
2886         * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2887         Follow spelling conventions.
2888
2889 2007-02-03  Douglas Gregor  <doug.gregor@gmail.com>
2890
2891         * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2892         warn about C++0x compatibility.
2893
2894 2007-02-04  Kazu Hirata  <kazu@codesourcery.com>
2895
2896         * config/h8300/h8300.c, config/h8300/h8300.h,
2897         config/h8300/h8300.md: Follow spelling conventions.
2898
2899 2007-02-03  Uros Bizjak  <ubizjak@gmail.com>
2900
2901         PR middle-end/30667
2902         * combine.c (try_combine): Do not substitute source operand
2903         with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2904
2905 2007-02-03  Jan Hubicka  <jh@suse.cz>
2906
2907         PR gcov-profile/30650
2908         * value-prof.c (stringop_block_profile): Fix handling of size counter;
2909         do not divide by zero for never executed counters.
2910         (tree_find_values_to_profile): Fix counters.
2911         * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2912
2913 2007-02-03  Ian Lance Taylor  <iant@google.com>
2914
2915         * lower-subreg.c (simple_move_operand): New static function,
2916         broken out of simple_move.  Reject LABEL_REF, SYMBOL_REF, and HIGH
2917         operands.
2918         (simple_move): Call simple_move_operand.
2919         (find_decomposable_subregs): Add special handling of MEMs.
2920         (can_decompose_p): Rename from cannot_decompose_p.  Reverse
2921         meaning of return value.  If we see a hard register, test whether
2922         it can store a word_mode value.  Change all callers.
2923
2924 2007-02-03  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
2925
2926         * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2927         ftrapv insns and expanders.
2928         (subdi3): Change define_expand operand 1 to arith11_operand, and
2929         operand 2 to reg_or_0_operand.  Change constraints of 64-bit insn
2930         pattern to handle reg_or_0 operands.  Revise 32-bit insn pattern to
2931         handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2932         respectively.
2933
2934         PR middle-end/30174
2935         * varasm.c (notice_global_symbol): Treat global objects as weak when
2936         flag_shlib is true.
2937
2938 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2939
2940         * emit-rtl.c (dconstpi): Delete.
2941         (dconstsqrt2): New.
2942         (init_emit_once): Delete dconstpi and init dconstsqrt2.
2943         * real.h (dconstpi): Delete.
2944         (dconstsqrt2): New.
2945         * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2946         (fold_builtin_hypot): Likewise.
2947
2948 2007-02-03  Tom Tromey  <tromey@redhat.com>
2949
2950         PR driver/30246
2951         * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2952         -gcoff3, -gxcoff3, -gvms3 implies -dD.
2953
2954 2007-02-03  Kazu Hirata  <kazu@codesourcery.com>
2955
2956         * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2957         config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2958         config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2959         config/rs6000/cell.md, config/rs6000/darwin.h,
2960         config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2961         config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2962         jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2963         tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2964         typos.  Follow spelling conventions.
2965         * doc/invoke.texi: Follow spelling conventions.
2966
2967 2007-02-03  Roger Sayle  <roger@eyesopen.com>
2968
2969         * simplify-rtx.c (simplify_relational_operation_1): Implement some
2970         canonicalization transformations that attempt to simplify integer
2971         constant comparisons to become comparisons against zero.
2972
2973 2007-02-03  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
2974
2975         * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
2976         fabs(x)*sqrt(2).
2977         * fold-const.c (fold_binary): Fix comment typos.  Fold complex
2978         (x,0)-(0,y) into (x,-y).  Likewise (0,y)-(x,0) into (-x,y).
2979
2980 2007-02-02  Mike Stump  <mrs@apple.com>
2981
2982         * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
2983         * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
2984         (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
2985         generate a branch island.
2986
2987 2007-02-02  Bob Wilson  <bob.wilson@acm.org>
2988
2989         * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
2990         (xtensa_legitimate_address_p): New.
2991         (xtensa_legitimize_address): New.
2992         (xtensa_output_addr_const_extra): New.
2993         * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
2994         (BASE_REG_P): New.
2995         (REG_OK_FOR_BASE_P): Use BASE_REG_P.
2996         (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
2997         (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
2998         (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
2999         * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
3000         (xtensa_legitimize_address): New.
3001         (xtensa_output_addr_const_extra): New.
3002
3003 2007-02-02  Steve Ellcey  <sje@cup.hp.com>
3004
3005         * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
3006
3007 2007-02-02  Ian Lance Taylor  <iant@google.com>
3008
3009         * expmed.c (expand_divmod): Add comment.
3010
3011 2007-02-02  Kazu Hirata  <kazu@codesourcery.com>
3012
3013         * emit-rtl.c (renumber_insns): Remove.
3014         * flags.h: Remove the extern for flag_renumber_insns.
3015         * rtl.h: Remove the prototype for renumber_insns.
3016         * toplev.c (flag_renumber_insns): Remove.
3017
3018 2007-02-02  Hui-May Chang  <hm.chang@apple.com>
3019
3020         Revert for x86 darwin:
3021         2005-06-19  Uros Bizjak  <uros@kss-loka.si>
3022
3023         * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
3024         code before the following patch under TARGET_MACHO.
3025         (ix86_function_value_regno_p): Likewise.
3026
3027 2007-02-02  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3028
3029         * fold-const.c (negate_expr_p, fold_negate_expr): Handle
3030         COMPLEX_EXPR.
3031
3032 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3033
3034         PR target/29682
3035         * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
3036         general or fp registers.  Add comments.
3037         * config/ia64/ia64.md (reg_pred_prefix): Add comment.
3038
3039 2007-02-02  Paolo Bonzini  <bonzini@gnu.org>
3040
3041         * pointer-set.c (insert_aux): Only return insertion slot.
3042         (pointer_set_insert): Adjust.
3043         (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
3044         pointer_map_destroy, pointer_map_insert, pointer_map_contains,
3045         pointer_map_traverse): New.
3046         * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
3047         pointer_map_create,  pointer_map_destroy, pointer_map_insert,
3048         pointer_map_contains, pointer_map_traverse): Declare.
3049
3050 2007-02-02  Jakub Jelinek  <jakub@redhat.com>
3051
3052         PR middle-end/30473
3053         * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
3054         sprintf (str, "%s").  Do not optimize sprintf (str, "nopercent", p++).
3055
3056 2007-02-02  Maxim Kuvyrkov  <mkuvyrkov@ispras.ru>
3057
3058         * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
3059
3060         (struct _dep): New type.
3061         (dep_t): New typedef.
3062         (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
3063         (DEP_STATUS): New access macro.  The macro with the same name was
3064         renamed to DEP_LINK_STATUS.
3065         (dep_init): Declare function
3066
3067         (struct _dep_link): New type.
3068         (dep_link_t): New typedef.
3069         (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
3070         (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
3071         (DEP_LINK_STATUS): New macro.
3072         (debug_dep_links): New debug function.
3073
3074         (struct _deps_list): New type.
3075         (deps_list_t): New typedef.
3076         (DEPS_LIST_FIRST): New access macro.
3077         (FOR_EACH_DEP_LINK): New cycle macro.
3078         (create_deps_list, free_deps_list, delete_deps_list): Declare
3079         functions.
3080         (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
3081         (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
3082         (copy_deps_list_change_con): Ditto.
3083
3084         (move_dep_link): Declare function.
3085
3086         (struct _dep_node): New type.
3087         (dep_node_t): New typedef.
3088         (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
3089
3090         (struct haifa_insn_data.back_deps): New field to hold backward
3091         dependencies of the insn.
3092         (struct haifa_insn_data.depend): Rename to forw_deps.  Change its type
3093         to deps_list_t.
3094         (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
3095         Change its type to deps_list_t.
3096         (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
3097         (INSN_DEPEND): Rename to INSN_FORW_DEPS.
3098         (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
3099
3100         (INSN_COST): Move to haifa-sched.c.  Use insn_cost () instead.
3101
3102         (DEP_STATUS): Rename to DEP_LINK_STATUS.  Fix typo in the comment.
3103
3104         (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
3105         all callers.
3106         (dep_cost): Declare.
3107
3108         * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
3109         (ds_to_dk, dk_to_ds): New functions.
3110
3111         (init_dep_1): New static function.
3112         (init_dep): New function.
3113         (copy_dep): New static function.
3114
3115         (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
3116         functions.
3117         (detach_dep_link): New static function.
3118         (move_dep_link): New function.
3119
3120         (dep_links_consistent_p, dump_dep_links): New static functions.
3121         (debug_dep_links): New debugging function.
3122
3123         (deps_obstack, dl_obstack, dn_obstack): New static variables.
3124
3125         (alloc_deps_list, init_deps_list): New static functions.
3126         (create_deps_list): New function.
3127         (clear_deps_list): New static function.
3128         (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
3129         (deps_list_consistent_p, dump_deps_list): New static functions.
3130         (debug_deps_list): New function.
3131         (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
3132         functions.
3133         (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
3134
3135         (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
3136         use new scheduler dependencies lists.
3137         (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
3138         (sched_analyze): Ditto.  Initialize dependencies lists.
3139         (add_forw_dep, compute_forward_dependences): Update to use new
3140         scheduler dependencies lists.
3141
3142         (init_dependency_caches): Init deps_obstack.
3143         (free_dependency_caches): Free deps_obstack.
3144
3145         (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
3146         new scheduler dependencies lists.
3147         (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
3148         (add_back_forw_dep, delete_back_forw_dep): Ditto.
3149
3150         * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
3151         Update to use new scheduler dependencies lists.
3152         (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
3153         (debug_dependencies): Ditto.
3154         (schedule_region): Update comments.
3155
3156         * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
3157         scheduler dependencies lists.
3158         (schedule_ebb): Update comments.
3159
3160         * rtl.def (DEPS_LIST): Remove.
3161
3162         * lists.c (unused_deps_list): Remove.
3163         (free_list): Update assertions.
3164
3165         (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
3166         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3167
3168         * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
3169         (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3170
3171         * haifa-sched.c (comments): Update.
3172         (insn_cost1): Remove.  Inline the code into insn_cost ().
3173         (insn_cost): Update to use new scheduler dependencies lists.  Move
3174         processing of the dependency cost to dep_cost ().
3175         (dep_cost): New function.  Use it instead of insn_cost () when
3176         evaluating cost of the dependency.  Use compatible interface to
3177         interact with the target.
3178         (priority): Update to use new scheduler dependencies lists.
3179         (rank_for_schedule): Ditto.  Optimize heuristic that prefers the insn
3180         with greater number of insns that depend on the insn.
3181         (schedule_insn): Update to use new scheduler dependencies lists.  Add
3182         code to free backward dependencies lists.  Inline and optimize code
3183         from resolve_dep () - see PR28071.
3184         (ok_for_early_queue_removal): Update to use new scheduler dependencies
3185         lists.  Update call to targetm.sched.is_costly_dependence hook.
3186
3187         (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
3188         scheduler dependencies lists.
3189
3190         (resolve_dep): Remove.  Move the logic to schedule_insn ().
3191         (init_h_i_d): Initialize dependencies lists.
3192
3193         (process_insn_depend_be_in_spec): Rename to
3194         process_insn_forw_deps_be_in_spec.  Update to use new scheduler
3195         dependencies lists.
3196         (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
3197         Update to use new scheduler dependencies lists.
3198         (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
3199
3200         * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
3201         new scheduler dependencies lists.
3202         (build_intra_loop_deps): Ditto.
3203
3204         * target.h (struct _dep): Declare to use in
3205         gcc_target.sched.is_costly_dependence.
3206         (struct gcc_target.sched.adjust_cost): Fix typo.
3207         (struct gcc_target.sched.is_costly_dependence): Change signature to use
3208         single dep_t parameter instead of an equivalent triad.
3209         (struct gcc_target.sched.adjust_cost_2): Remove.
3210
3211         * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
3212
3213         * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
3214
3215         * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
3216         documentation.
3217         (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
3218
3219         * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
3220         (REG_DEP_TRUE): Document.
3221
3222         * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
3223         Change signature to correspond to the targetm.sched.adjust_cost hook.
3224         Update use in TARGET_SCHED_ADJUST_COST_2.
3225         (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
3226         (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
3227         new scheduler dependencies lists.
3228         (ia64_gen_check): Ditto.
3229
3230         * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
3231         dependencies lists.
3232
3233         * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
3234         signature to correspond to the targetm.sched.is_costly_dependence hook.
3235         (is_costly_group): Update to use new scheduler dependencies lists.
3236
3237         * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
3238         instead of INSN_COST () macro.
3239
3240 2007-02-01  Ian Lance Taylor  <iant@google.com>
3241
3242         * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
3243
3244 2007-02-01  Guy Martin  <gmsoft@gentoo.org>
3245
3246         * pa.md (tp_load): Correct mfctl instruction syntax.
3247
3248 2007-02-01  Geoffrey Keating  <geoffk@apple.com>
3249
3250         * config/rs6000/rs6000.c (rs6000_stack_info): Correct
3251         altivec_padding_size calculation on AIX.  Improve comment, add
3252         assert to verify that it's right.
3253
3254         * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
3255         64-bit.
3256
3257 2007-2-01  Seongbae Park  <seongbae.park@gmail.com>
3258
3259         PR inline-asm/28686
3260         * global.c (global_alloc): Add mising initialization of
3261         ELIMINABLE_REGSET.
3262
3263 2007-02-01  Roger Sayle  <roger@eyesopen.com>
3264
3265         * alias.c (init_alias_analysis): Correct whitespace.
3266         * bb-reorder.c (fix_edges_for_rarely_executed_code,
3267         partition_hot_cold_basic_blocks): Likewise.
3268         * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3269         expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
3270         maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3271         fold_builtin_snprintf_chk, fold_builtin_printf,
3272         fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
3273         do_mpfr_arg3, do_mpfr_sincos): Likewise.
3274         * cfgcleanup.c (cleanup_cfg): Likewise.
3275         * cfgexpand.c (tree_expand_cfg): Likewise.
3276         * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
3277         * function.c (get_next_funcdef_no): Likewise.
3278         * gengtype.c (main): Likewise.
3279         * genmodes.c (main): Likewise.
3280         * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3281         * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3282         * ifcvt.c (noce_emit_move_insn): Likewise.
3283         * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
3284         Likewise.
3285         * stor-layout.c (get_best_mode): Likewise.
3286         * tree-ssa-loop-niter.c (get_val_for): Likewise.
3287         * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3288         scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3289         perform_var_substitution, solve_graph): Likewise.
3290         * tree-vrp.c (vrp_finalize): Likewise.
3291
3292 2007-02-01  Ian Lance Taylor  <iant@google.com>
3293
3294         * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3295         high part of a paradoxical subreg, return a constant zero.
3296
3297 2007-02-01  Zdenek Dvorak <dvorakz@suse.cz>
3298
3299         * toplev.c (lang_dependent_init): Call init_set_costs.
3300         * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3301
3302 2007-02-01  Richard Guenther  <rguenther@suse.de>
3303
3304         PR middle-end/30656
3305         * fold-const.c (fold_negate_expr): Allow negating a
3306         constant if overflow does not change.
3307
3308 2007-02-01  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3309
3310         * doc/c-tree.texi (Expression trees): Improve markup.
3311         * doc/tm.texi (Register Classes, Addressing Modes)
3312         (Floating Point): Fix spacing after abbreviations.  Fix some
3313         typos.
3314
3315 2007-02-01  Ben Elliston  <bje@au.ibm.com>
3316
3317         * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3318         * doc/contrib.texi: Likewise.
3319         * doc/install.texi: Likewise.
3320
3321 2007-01-31  Richard Henderson  <rth@redhat.com>
3322             Ian Lance Taylor  <iant@google.com>
3323
3324         * lower-subreg.c: New file.
3325         * rtl.def (CONCATN): Define.
3326         * passes.c (init_optimization_passes): Add pass_lower_subreg and
3327         pass_lower_subreg2.
3328         * emit-rtl.c (update_reg_offset): New static function, broken out
3329         of gen_rtx_REG_offset.
3330         (gen_rtx_REG_offset): Call update_reg_offset.
3331         (gen_reg_rtx_offset): New function.
3332         * regclass.c: Revert patch of 2006-03-05, restoring
3333         reg_scan_update.
3334         (clear_reg_info_regno): New function.
3335         * dwarf2out.c (concatn_loc_descriptor): New static function.
3336         (loc_descriptor): Handle CONCATN.
3337         * common.opt (fsplit_wide_types): New option.
3338         * opts.c (decode_options): Set flag_split_wide_types when
3339         optimizing.
3340         * timevar.def (TV_LOWER_SUBREG): Define.
3341         * rtl.h (gen_reg_rtx_offset): Declare.
3342         (reg_scan_update): Declare.
3343         * regs.h (clear_reg_info_regno): Declare.
3344         * tree-pass.h (pass_lower_subreg): Declare.
3345         (pass_lower_subreg2): Declare.
3346         * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3347         (Optimize Options): Add -fsplit-wide-types to -O1 list.  Document
3348         -fsplit-wide-types.
3349         * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3350         * Makefile.in (OBJS-common): Add lower-subreg.o.
3351         (lower-subreg.o): New target.
3352
3353 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3354
3355         * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3356
3357 2007-01-31  Anatoly Sokolov <aesok@post.ru>
3358
3359         PR target/19087
3360         * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3361
3362 2007-01-31  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3363
3364         PR middle-end/29335
3365         * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3366
3367 2007-01-31  Zdenek Dvorak <dvorakz@suse.cz>
3368
3369         * cfgloop.h: Include vec-prim.h.
3370         (enum li_flags): Remove LI_ONLY_OLD.
3371         (loop_iterator): Changed.
3372         (fel_next, fel_init): Iterate over loop tree.
3373         (FOR_EACH_LOOP_BREAK): New macro.
3374         * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3375         FOR_EACH_LOOP.
3376         * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3377         * modulo-sched.c (sms_schedule): Ditto.
3378         * tree-vectorizer.c (vectorize_loops): Ditto.
3379         * doc/loop.texi: Update information on loop numbering and behavior of
3380         FOR_EACH_LOOP wrto new loops.
3381         * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3382         add_to_evolution_1): Test nestedness of loops instead of comparing
3383         their numbers.
3384         * tree-chrec.c (chrec_fold_plus_poly_poly,
3385         chrec_fold_multiply_poly_poly, chrec_evaluate,
3386         hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3387         reset_evolution_in_loop): Ditto.
3388         * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3389
3390 2007-01-31  Dirk Mueller  <dmueller@suse.de>
3391
3392         * c-common.c (warn_about_parentheses): Separate warning about
3393         un-parenthized sequence of comparison operators from the one
3394         which is supposed to warn about x <= y <= z.
3395
3396 2007-01-31  Uros Bizjak  <ubizjak@gmail.com>
3397
3398         * optabs.h (enum optab_index): Add new OTI_isinf.
3399         (isinf_optab): Define corresponding macro.
3400         * optabs.c (init_optabs): Initialize isinf_optab.
3401         * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3402         patterns.
3403         * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3404         (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3405         using isinf_optab.
3406         (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3407         expand_builtin_interclass_mathfn.
3408         * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3409         * config/i386/i386.md (UNSPEC_FXAM): New constant.
3410         (fxam<mode>2_i387): New insn pattern.
3411         (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3412         built-in functions as x87 inline asm.
3413
3414 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3415
3416         * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3417
3418 2007-01-30  Eric Christopher  <echristo@apple.com>
3419
3420         * config.gcc: Add geode.
3421
3422 2007-01-31  Kazu Hirata  <kazu@codesourcery.com>
3423
3424         * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3425         ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3426         tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3427         value-prof.c: Fix comment typos.
3428
3429 2007-01-30  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3430
3431         PR c++/24745
3432         * doc/invoke.texi (Wpointer-arith): Document warning.
3433
3434 2007-01-30  Janis Johnson  <janis187@us.ibm.com>
3435
3436         * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3437         the list of discrepancies from the draft TR.
3438
3439 2007-01-30  Dirk Mueller  <dmueller@suse.de>
3440
3441         PR c++/30601
3442         * doc/invoke.texi (-Wreturn-type): Update description to
3443         match new behavior.
3444
3445 2007-01-30  Richard Sandiford  <richard@codesourcery.com>
3446
3447         * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3448
3449 2007-01-30  Uros Bizjak  <ubizjak@gmail.com>
3450
3451         * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3452         to handle optabs that operate on floating point input argument and
3453         output to integer output.
3454         (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3455         (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3456         (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3457         expand_builtin_interclass_mathfn ().
3458         * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3459         (ilogbsi2): Remove.
3460         (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3461         ilogbl built-in functions as x87 intrinsics.
3462
3463 2007-01-30  Richard Guenther  <rguenther@suse.de>
3464
3465         PR middle-end/27657
3466         * dwarf2out.c (reference_to_unused): Query varpool if the
3467         variable was output.
3468
3469 2007-01-30  Richard Guenther  <rguenther@suse.de>
3470
3471         PR middle-end/30313
3472         * passes.c (execute_one_pass): Reset in_gimple_form to not
3473         confuse non-unit-at-a-time mode.
3474
3475 2007-01-29  Roger Sayle  <roger@eyesopen.com>
3476             Richard Guenther  <rguenther@suse.de>
3477
3478         * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3479         avoid undefined behaviour on overflow.  Use force_fit_type_double
3480         to construct the constant with the specified TREE_OVERFLOW.
3481
3482 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3483
3484         * config/dfp-bit.c: Add parameterized support for fp exceptions.
3485         * config/dfp-bit.h: Ditto.
3486
3487 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3488
3489         * c-decl.c (pop_scope): Replace warnings with call to
3490         warn_for_unused_label.
3491         * c-common.h (warn_for_unused_label): Declare.
3492         * c-common.c (warn_for_unused_label): Define.
3493
3494 2007-01-29  Manuel Lopez-Ibanez  <manu@gcc.gnu.org>
3495
3496         * tree-optimize.c (update_inlined_to_pointers): Delete unused
3497         function.
3498
3499 2007-01-29  Janis Johnson  <janis187@us.ibm.com>
3500
3501         * Makefile.in (USER_H): Remove decfloat.h.
3502         * ginclude/decfloat.h: Delete, moving contents to ...
3503         * ginclude/float.h: Add support for decimal floating point,
3504         guarded by __STDC_WANT_DEC_FP__.
3505
3506 2007-01-29  Mike Stump  <mrs@apple.com>
3507
3508         * doc/gccint.texi (Top): Rename Loop Representation to Loop
3509         Analysis and Representation to resolve case insensitive conflict.
3510         * doc/loop.texi (Loop Analysis and Representation): Likewise.
3511
3512 2007-01-28  Daniel Berlin  <dberlin@dberlin.org>
3513
3514         * tree.h (struct tree_memory_tag): Add aliases member.
3515         (MTAG_ALIASES): New macro.
3516         * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3517         (add_may_alias): Remove pointer-set. Update for may_aliases being
3518         a bitmap.
3519         (mark_aliases_call_clobbered): Update for may_aliases being a
3520         bitmap.
3521         (compute_tag_properties): Ditto.
3522         (create_partition_for): Ditto.
3523         (compute_memory_partitions): Ditto.
3524         (dump_may_aliases_for): Ditto.
3525         (is_aliased_with): Ditto.
3526         (add_may_alias_for_new_tag): Ditto.
3527         (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3528         (compute_is_aliased): New function.
3529         (compute_may_aliases): Call compute_is_aliased).
3530         (init_alias_info): Initialize alias_bitmap_obstack.
3531         (union_alias_set_into): New function.
3532         (compute_flow_sensitive_aliasing): Use union_aliases_into.
3533         (have_common_aliases_p): Rewrite to take two bitmaps and use
3534         intersection.
3535         (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3536         Update for bitmaps.
3537         (finalize_ref_all_pointers): Update for add_may_alias changes.
3538         (new_type_alias): Ditto.
3539         * tree-flow-inline.h (may_aliases): Return a bitmap.
3540         * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3541         * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3542         may_aliases being a bitmap.
3543         * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3544         may_aliases now returns a bitmap.
3545         * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3546         being a bitmap.
3547         * tree-ssa-operands.c (add_virtual_operand): Update for
3548         may_aliases being a bitmap.
3549
3550 2007-01-29  Daniel Berlin  <dberlin@dberlin.org>
3551
3552         PR tree-optimization/30630
3553         * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3554         variable as changed.
3555
3556 2007-01-29  Simon Martin  <simartin@users.sourceforge.net>
3557
3558         PR c++/28266
3559         * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3560         expanded only once even if an error occurs.
3561
3562 2007-01-29  Ben Elliston  <bje@au.ibm.com>
3563
3564         * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3565         (__gcov_average_profiler): Likewise.
3566         (__gcov_ior_profiler): Likewise.
3567         (__gcov_merge_ior): Likewise.
3568
3569 2007-01-28  Jan Hubicka  <jh@suse.cz>
3570
3571         * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3572         * value-prof.c (stringop_block_profile): Likewise.
3573
3574 2007-01-28  Jan Hubicka  <jh@suse.cz>
3575
3576         * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3577         variant handling histograms; add wrapper.
3578         (clear_storage_via_libcall): Export.
3579         (emit_block_move_hints): Break out from ...; add histograms.
3580         (emit_block_move): ... this one.
3581         (clear_storage_hints): Break out from ...; add histograms.
3582         (clear_storage): ... this one.
3583         (set_storage_via_memset): Handle histogram.
3584         * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3585         (clear_storage_hints, clear_storage_via_libcall): Declare.
3586         (set_storage_via_setmem): Update prototype.
3587         * doc/md.texi (movmem, setmem): Document new arguments.
3588
3589         * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3590         new histograms.
3591         (stringop_block_profile): New global function.
3592         (tree_stringops_values_to_profile): Profile block size and alignment.
3593         * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3594         HIST_TYPE_IOR.
3595         (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3596         (stringop_block_profile): Declare.
3597         * builtins.c: Include value-prof.h.
3598         (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3599         * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3600         (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3601         (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3602         * profile.c (instrument_values): Add new counters.
3603         * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3604         calls.
3605         * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3606         (tree_init_edge_profiler): Build new profilers.
3607         (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3608         (pass_tree_profile): Add dump.
3609         (tree_profile_hooks): Update.
3610         * Makefile.in (LIBGCOV): Add new constants.
3611         * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3612         __gcov_ior_profiler): New.
3613         * i386.md (movmem/setmem expanders): Add new optional arguments.
3614
3615 2007-01-28  David Edelsohn  <edelsohn@gnu.org>
3616
3617         * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3618
3619 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3620
3621         * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3622         (tree_unswitch_single_loop): Pass eni_size_weights to
3623         tree_num_loop_insns.
3624         * tree-ssa-loop-manip.c: Include tree-inline.h.
3625         (can_unroll_loop_p): Pass eni_size_weights to
3626         tree_num_loop_insns.
3627         * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3628         Pass eni_size_weights to estimate_num_insns.
3629         * tree.h (init_inline_once): Export.
3630         * toplev.c (backend_init): Call init_inline_once.
3631         * cgraphunit.c (cgraph_process_new_functions,
3632         cgraph_analyze_function): Pass eni_inlining_weights to
3633         estimate_num_insns.
3634         * ipa-inline.c (compute_inline_parameters): Ditto.
3635         * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3636         to estimate_num_insns.
3637         (try_unroll_loop_completely): Pass eni_size_weights to
3638         tree_num_loop_insns.
3639         * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3640         ot estimate_num_insns.
3641         * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3642         (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3643         * tree-inline.c (eni_inlining_weights, eni_size_weights,
3644         eni_time_weights): New variables.
3645         (init_inline_once): Initialize them.
3646         (struct eni_data): Mew.
3647         (estimate_num_insns_1, estimate_num_insns): Use weights.
3648         * tree-inline.h (struct eni_weights_d): New.
3649         (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3650         (estimate_num_insns): Declaration changed.
3651         * cfgloop.h (tree_num_loop_insns): Declaration changed.
3652         * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3653         tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3654
3655 2007-01-28  Zdenek Dvorak <dvorakz@suse.cz>
3656
3657         * tree-data-ref.c (conflict_fn): Assert that the number of affine
3658         relations in the conflict function is valid.
3659
3660 2007-01-27  Ian Lance Taylor  <iant@google.com>
3661
3662         * common.opt: Add fstrict-overflow.
3663         * opts.c (decode_options): Set flag_strict_overflow if -O2.
3664         * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3665         (TYPE_OVERFLOW_UNDEFINED): Define.
3666         (TYPE_OVERFLOW_TRAPS): Define.  This replaces TYPE_TRAP_SIGNED.
3667         Replace all uses.
3668         * tree.h (TYPE_TRAP_SIGNED): Don't define.
3669         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3670         (fold_negate_expr): Likewise.
3671         (make_range): Likewise.
3672         (extract_muldiv_1): Likewise.
3673         (maybe_canonicalize_comparison): Likewise.
3674         (fold_comparison): Likewise.
3675         (fold_binary): Likewise.
3676         (tree_expr_nonnegative_p): Likewise.
3677         (tree_expr_nonzero_p): Likewise.
3678         * tree-vrp.c (compare_values): Likewise.
3679         (extract_range_from_binary_expr): Likewise.
3680         (extract_range_from_unary_expr): Likewise.
3681         * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3682         Likewise.
3683         (nowrap_type_p): Likewise.
3684         * tree-scalar-evolution.c (simple_iv): Likewise.
3685         * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3686         (build_range_check): Likewise.
3687         (extract_muldiv_1): Likewise.
3688         (fold_comparison): Likewise.
3689         * tree-vrp.c (vrp_int_const_binop): Likewise.
3690         (extract_range_from_unary_expr): Likewise.
3691         * convert.c (convert_to_integer): Likewise.
3692         * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3693         (fold_comparison): Likewise.
3694         (fold_binary): Likewise.
3695         * optabs.c (optab_for_tree_code): Likewise.
3696         * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3697         * simplify-rtx.c (simplify_const_relational_operation): Check
3698         flag_strict_overflow and flag_trapv.
3699         (simplify_const_relational_operation): Likewise.
3700         * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3701         (Optimize Options): Add -fstrict-overflow to -O2 list.  Document
3702         -fstrict-overflow.
3703
3704 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3705
3706         * tree.c (tree_fold_gcd): Delete.
3707         * tree.h (tree_fold_gcd): Remove prototype.
3708         * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3709         test whether one constant integer is a multiple of another.  Instead
3710         call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3711         * fold-const.c (multiple_of_p):  We've determined both TOP and
3712         BOTTOM are integer constants so we can call int_const_binop directly
3713         instead of the more generic const_binop.
3714
3715 2007-01-27  Roger Sayle  <roger@eyesopen.com>
3716
3717         * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3718         1*X check that the constant hasn't overflowed, to preserve the
3719         TREE_OVERFLOW bit.
3720         (round_up): Provide an efficient implementation when rouding-up an
3721         INTEGER_CST to a power-of-two.
3722
3723 2007-01-28  Ralf Wildenhues  <Ralf.Wildenhues@gmx.de>
3724
3725         * doc/sourcebuild.texi: Add comma for clarity.
3726         * doc/extend.texi: Fix some typos.
3727         * doc/passes.texi: Likewise.
3728         * doc/cppinternals.texi: Likewise.
3729         * doc/c-tree.texi: Likewise.
3730         * doc/tree-ssa.texi: Likewise.
3731         * doc/install.texi: Likewise.
3732
3733 2007-01-27  Jan Hubicka  <jh@suse.cz>
3734
3735         * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3736         (pass_sra): Do not require alias information.
3737         * passes.c (init_optimization_passes): Add SRA
3738
3739 2007-01-27  Steven Bosscher  <steven@gcc.gnu.org>
3740
3741         * tracer.c (rest_of_handle_tracer): We already cleaned
3742         up the CFG in tracer() so don't do it here again.
3743         * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3744         cleanup_cfg here, either.  And don't call renumber_insns.
3745
3746         * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3747         and BB_HEAD are in the insn stream here.  Instead make sure
3748         that BB_INSN is valid on all insns.  Also, do check here that
3749         there are no pending branch predictions...
3750         (rtl_verify_flow_info): ...instead of doing it here.  Checks
3751         for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3752         here.
3753
3754 2007-01-26  Roger Sayle  <roger@eyesopen.com>
3755
3756         * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3757         function to simplify/factorize operand order canonicalization.
3758         (ix86_fixup_binary_operands): Reorganize using the above function.
3759         (ix86_binary_operator_ok): Likewise.
3760
3761 2007-01-27  Jakub Jelinek  <jakub@redhat.com>
3762
3763         * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3764         file scope from optimize_attrs.
3765         (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3766         up search.
3767         (optimize_attrs): Clear insn_code_values after freeing it.
3768
3769 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3770
3771         * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3772         a parts.base assignment.
3773
3774 2007-01-26  Zdenek Dvorak <dvorakz@suse.cz>
3775
3776         * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3777         (compute_subscript_distance, initialize_data_dependence_relation,
3778         finalize_ddr_dependent, analyze_ziv_subscript,
3779         analyze_siv_subscript_cst_affine,
3780         compute_overlap_steps_for_affine_univar,
3781         compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3782         analyze_siv_subscript, analyze_miv_subscript,
3783         analyze_overlapping_iterations, subscript_dependence_tester_1,
3784         compute_self_dependence, free_dependence_relation): Work
3785         with affine_fn instead of chrecs.
3786         (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3787         common_affine_function, affine_function_base,
3788         affine_function_constant_p, affine_fn_op, affine_fn_plus,
3789         affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3790         conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3791         conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3792         (all_chrecs_equal_p): Removed.
3793         * tree-data-ref.h (affine_fn, conflict_function): New types.
3794         (struct subscript): Change type of conflicting_iterations_in_a
3795         and conflicting_iterations_in_b.
3796
3797 2007-01-26  Steve Ellcey  <sje@cup.hp.com>
3798
3799         PR other/30182
3800         * config/pa/pa.h (TARGET_HPUX_11): New.
3801         * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3802         * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3803
3804 2007-01-26  Daniel Berlin  <dberlin@dberlin.org>
3805         Richard Guenther  <rguenther@suse.de>
3806
3807         * tree-ssa-structalias.c (solve_graph): Handle case
3808         we merged the variable to another.
3809
3810 2007-01-25  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3811
3812         * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3813         functions.
3814
3815         * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3816         catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3817
3818 2007-01-25  DJ Delorie  <dj@redhat.com>
3819
3820         * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3821         allow changes to modes which don't fit in those registers.
3822
3823         * reload1.c (choose_reload_regs): Check for invalid subregs before
3824         computing their locations, not after.
3825
3826 2007-01-25  Geoffrey Keating  <geoffk@apple.com>
3827
3828         PR 25127
3829         * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3830         save Altivec registers in an eh_return function.
3831         (compute_vrsave_mask): Likewise.
3832         (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3833         for saving Altivec registers.
3834         (rs6000_emit_prologue): Don't allocate stack twice in
3835         eh_return function.  Correct expected value of altivec_save_offset
3836         when using save_world.  Describe save of R0 to stack when using
3837         save_world.  Describe stack pointer adjustment when using
3838         save_world.  Remove duplicated eh_return parameter register saving.
3839         Update sp_offset variable after save_world.
3840         * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3841         darwin-world.asm.
3842         (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3843         * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3844         implies Altivec.
3845
3846 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3847
3848         * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3849
3850 2007-01-25  Steve Ellcey  <sje@cup.hp.com>
3851
3852         PR other/30182
3853         * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3854         * config/ia64/ia64.c (ia64_init_builtins):  Ditto.
3855
3856 2007-01-25  Richard Guenther  <rguenther@suse.de>
3857
3858         * doc/invoke.texi (-Wcoverage-mismatch): Document.
3859         * common.opt (-Wcoverage-mismatch): New warning option.
3860         * coverage.c (get_coverage_counts): Ignore coverage mismatch
3861         if -Wcoverage-mismatch is given.
3862
3863 2007-01-25  Razya Ladelsky  <razya@il.ibm.com>
3864
3865         * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3866         (ipcp_driver): Change to static definition.
3867         Add dumping of the ifunctions.
3868         (constant_val_insert): Remove unused parameter. Support for SSA.
3869         (ipcp_propagate_const): Support for SSA.
3870         (ipcp_profile_bb_print): Print only analyzed nodes.
3871         (ipcp_replace_map_create): Remove support for Fortran constant
3872         for now.
3873         * ipa-prop.c (ipa_method_modify_stmt,
3874         ipa_callsite_compute_param): Support for SSA.
3875         * ipa-prop.h (ipcp_driver): Remove declaration.
3876         (IS_VALID_TREE_MAP_INDEX): Add define.
3877
3878 2007-01-24  Geoffrey Keating  <geoffk@apple.com>
3879
3880         * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3881
3882 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3883
3884         PR middle-end/30447
3885         * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3886         constant argument to cabs and do it without checking for
3887         -funsafe-math-optimizations.
3888
3889 2007-01-24  Douglas Gregor  <dgregor@osl.iu.edu>
3890
3891         * c-common.h (RID_FIRST_CXX0X): New.
3892         (RID_LAST_CXX0X): New.
3893         * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3894         by -Wall.
3895         * c.opt (Wc++0x-compat): New.
3896         * doc/invoke.texi (-Wc++0x-compat): Document.
3897
3898 2007-01-24  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
3899
3900         * builtins.c (fold_builtin_carg): New.
3901         (fold_builtin_1): Use it.
3902
3903 2007-01-24  Jan Hubicka  <jh@suse.cz>
3904
3905         * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3906
3907         * ipa-inline.c (initial_insns, max_insns): Delete.
3908         (compute_max_insns): New function.
3909         (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3910         of insns as base for code growth.
3911         (cgraph_decide_inlining): Make initial_insns local; do not compute
3912         max_insns.
3913         * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3914         * doc/invoke.texi (inline-unit-growth): Update docs.
3915
3916 2007-01-24  Jakub Jelinek  <jakub@redhat.com>
3917
3918         * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3919         (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3920         * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3921         (override_options): Add PTA_CX16 flag.  Set x86_cmpxchg16b
3922         for CPUs that have PTA_CX16 set.
3923
3924         PR middle-end/27416
3925         * gimplify.c (omp_check_private): New function.
3926         (gimplify_scan_omp_clauses): Use it for
3927         firstprivate/lastprivate/reduction.
3928
3929         PR middle-end/30494
3930         * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3931         on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3932
3933         PR middle-end/30421
3934         * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3935         If lower_lastprivate_clauses emits some statements, append them
3936         to dlist rather than body_p and to body_p append an initializer.
3937         (lower_omp_for): Adjust caller.
3938
3939 2007-01-24  Steve Ellcey  <sje@cup.hp.com>
3940
3941         * target.h (globalize_decl_name): New.
3942         * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3943         * output.h (default_globalize_decl_name): New.
3944         * varasm.c (asm_output_bss): Use globalize_decl_name instead of
3945         globalize_label.
3946         (globalize_decl): Ditto.
3947         (default_globalize_decl_name): New.
3948         * config/ia64/ia64.c (ia64_globalize_decl_name): New.
3949         (ia64_handle_version_id_attribute): New.
3950         (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3951         (ia64_asm_output_external): Use globalize_decl_name instead
3952         of globalize_label.
3953         * doc/extend.texi (version_id): New pragma.
3954         * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
3955
3956 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3957
3958         * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
3959         _uleb128_t and _Unwind_SWord with _sleb128_t.
3960         * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
3961         uw_frame_state_for, uw_update_context_1): Likewise.
3962         * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
3963         * unwind-pe.h (read_uleb128, read_sleb128,
3964         read_encoded_value_with_base): Likewise.
3965         * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
3966
3967 2007-01-24  Richard Guenther  <rguenther@suse.de>
3968
3969         * builtins.c (expand_builtin_cexpi): Get the fndecl
3970         for cexp in the correct way.
3971
3972 2007-01-24  Jan Hubicka  <jh@suse.cz>
3973
3974         * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
3975
3976 2007-01-24  Andreas Krebbel  <krebbel1@de.ibm.com>
3977
3978         * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
3979         (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
3980         __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
3981         __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
3982         __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
3983         __SIZEOF_PTRDIFF_T__.
3984         * doc/cpp.texi: Documentation for the new builtin macros added.
3985
3986 2007-01-24  Uros Bizjak  <ubizjak@gmail.com>
3987
3988         * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
3989         log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
3990         instead of operands[2] to avoid access past the end of array.
3991
3992 2007-01-24  Richard Sandiford  <richard@codesourcery.com>
3993
3994         * reload1.c (emit_reload_insns): Pass the reload register
3995         for a non-spill output reload through forget_old_reloads_1.