| blob | 51c99a639401572d641d8ec11f305697e3f62fb4 |
1 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
3 * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
5 * config/bfin/bfin.c: Include "cfglayout.h".
6 (MAX_LSETUP_DISTANCE): New macro.
7 (struct loop_info): New members incoming, incoming_src and
8 incoming_dest. Delete member predecessor.
9 (length_for_loop): New function.
10 (bfin_optimize_loop): Handle more different loop structures.
11 (bfin_discover_loop): Rework detection of predecessor blocks by
12 examining incoming edges.
13 (bfin_discover_loops, bfin_free_loops): New functions, broken out of
14 bfin_reorg_loops.
15 (bfin_reorder_loops): New function.
16 (bfin_reorg_loops): Use these three new functions.
18 2007-02-27 Andreas Schwab <schwab@suse.de>
20 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
22 2007-02-27 Jan Hubicka <jh@suse.cz>
24 * predict.c (last_basic_block_p): Remove.
25 (tree_estimate_probability): Update return heuristic for commonized
26 return blocks.
28 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
30 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
32 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
34 * doc/include/gcc-common.texi (versionsubtitle): New macro.
35 * doc/cpp.texi: Standardize title page.
36 * doc/cppinternals.texi: Likewise.
37 * doc/gcc.texi: Standardize title page, remove version number
38 from copyright page.
39 * doc/gccint.texi: Likewise.
40 * doc/install.texi: Standardize title page, add table of
41 contents.
43 2007-02-26 Jan Hubicka <jh@suse.cz>
45 * predict.def: Set outcomes according to more recent results.
46 (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
47 Remove dead predictors.
48 * predict.c (return_prediction): Fix pasto.
50 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
52 * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
53 change; avoid a memory leak when returning early.
55 2007-02-26 Mark Mitchell <mark@codesourcery.com>
57 * c-decl.c (static_ctors): Move to c-common.c.
58 (static_dtors): Likewise.
59 (finish_function): Use c_record_cdtor_fn.
60 (build_cdtor): Move to c-common.c.
61 (c_write_global_declarations): Use c_build_cdtor_fns.
62 * c-common.h (static_ctors): Declare.
63 (static_dtors): Likewise.
64 (c_record_cdtor_fn): Likewise.
65 (c_build_cdtor_fns): Likewise.
66 * c-common.c (static_ctors): New variable.
67 (static_dtors): Likewise.
68 (c_record_cdtor_fn): New function.
69 (build_cdtor): Move from c-decl.c
70 (c_build_cdtor_fns): New function.
72 * output.h (assemble_addr_to_section): Declare.
73 (get_cdtor_priority_section): Likewise.
74 * varasm.c (assemble_addr_to_section): New function.
75 (get_cdtor_priority_section): Likewise.
76 (default_named_section_asm_out_destructor): Use them.
77 (destor_dtor_section_asm_out_destructor): Likewise.
78 (default_named_section_asm_out_constructor): Likewise.
79 (default_ctor_section_asm_out_constructor): Likewise.
80 * config.gcc (*-*-vxworks*): Include vxworks.o.
81 * config/t-vxworks (vxworks.o): New target.
82 * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
83 (TARGET_ASM_CONSTRUCTOR): Define.
84 (TARGET_ASM_DESTRUCTOR): Likewise.
85 (vxworks_asm_out_constructor): Declare.
86 (vxworks_asm_out_destructor): Likewise.
88 * c-common.c (get_priority): Check that we have not just an
89 INTEGER_CST, but an integer constant with integeral type.
91 2007-02-25 Uros Bizjak <ubizjak@gmail.com>
93 PR tree-optimization/30938
94 * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
95 use &dt[nargs-1] instead of &dt[nargs] in the call to
96 vect_is_simple_use().
98 2007-02-25 Ulrich Weigand <uweigand@de.ibm.com>
100 * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
101 from register elimination as PRE_MODIFY / POST_MODIFY increments.
102 Do not attempt to handle MEM inside auto-inc expressions.
103 * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
104 of a register modified by an auto-inc expression. However, do handle
105 elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
106 (elimination_effects): Prohibit elimination of a register modified
107 by an auto-inc expression. Disable register elimination rules whose
108 target register is modified by an auto-inc expression with variable
109 increment.
111 2007-02-25 Zdenek Dvorak <dvorakz@suse.cz>
113 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
114 off-by-one error.
115 (array_at_struct_end_p): New function.
116 (idx_infer_loop_bounds): Use it.
117 (estimate_numbers_of_iterations_loop): Export.
118 * predict.c (predict_loops): Use estimated_loop_iterations_int.
119 Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
120 (tree_estimate_probability): Call record_loop_exits.
121 * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
122 (estimated_loop_iterations, estimated_loop_iterations_int,
123 estimated_loop_iterations_tree): New functions.
124 (analyze_siv_subscript_cst_affine,
125 compute_overlap_steps_for_affine_1_2,
126 analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
127 (analyze_miv_subscript): Use estimated_loop_iterations_tree.
128 * predict.def (PRED_LOOP_ITERATIONS): Update comment.
129 (PRED_LOOP_ITERATIONS_GUESSED): New.
130 * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
131 * cfgloop.h (estimate_numbers_of_iterations_loop,
132 estimated_loop_iterations_int): Declare.
134 2007-02-25 Mark Mitchell <mark@codesourcery.com>
136 * doc/extend.texi: Document optional priority argument to
137 constructors and destructors.
138 * tree.c (init_priority_for_decl): Adjust GTY markers.
139 (init_ttree): Use priority-info hash functions for
140 init_priority_for_decl.
141 (tree_map_eq): Rename to ...
142 (tree_map_base_eq): ... this.
143 (tree_map_marked_p): Rename to ...
144 (tree_map_base_marked_p): ... this.
145 (tree_map_base_hash): New function.
146 (decl_init_priority_lookup): Rework.
147 (decl_fini_priority_lookup): New function.
148 (decl_priority_info): New function.
149 (decl_init_priority_insert): Use it.
150 (decl_fini_priority_insert): Likewise.
151 (decl_restrict_base_lookup): Adjust for refactoring of tree_map
152 hierarchy.
153 (decl_restrict_base_insert): Likewise.
154 (decl_debug_expr_insert): Likewise.
155 (decl_value_expr_lookup): Likewise.
156 (decl_value_expr_insert): Likewise.
157 * tree.h (priority_type): New type.
158 (decl_init_priority_lookup): Use priority_type.
159 (decl_fini_priority_lookup): New function.
160 (decl_init_priority_insert): Use priority_type.
161 (decl_fini_priority_insert): New function.
162 (DECL_HAS_INIT_PRIORITY): Tweak comments.
163 (DECL_INIT_PRIORITY): Likewise.
164 (SET_DECL_INIT_PRIORITY): Add comment.
165 (DECL_FINI_PRIORITY): New macro.
166 (SET_DECL_FINI_PRIORITY): Likewise.
167 (DEFAULT_INIT_PRIORITY): Document.
168 (MAX_INIT_PRIORITY): Likewise.
169 (MAX_RESERVED_INIT_PRIORITY): Likewise.
170 (tree_map_base): New type.
171 (tree_map_base_eq): New function.
172 (tree_map_base_hash): Likewise.
173 (tree_map_base_marked_p): Likewise.
174 (tree_map): Inherit from tree_map_base.
175 (tree_map_eq): Make it a macro.
176 (tree_map_marked_p): Likewise.
177 (tree_int_map): Inherit from tree_map_base.
178 (tree_int_map_eq): Make it a macro.
179 (tree_int_map_hash): Likewise.
180 (tree_int_map_marked_p): Likewise.
181 (tree_priority_map): New type.
182 (tree_priority_map_eq): New macro.
183 (tree_priority_map_hash): Likewise.
184 (tree_priority_map_marked_p): Likewise.
185 * varasm.c (emults_decl): Adjust for refactoring of tree_map
186 hierarchy.
187 (emutls_common_1): Likewise.
188 * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
189 * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
190 of tree_map hierarchy.
191 * tree-cfg.c (move_stmt_r): Likewise.
192 (new_label_mapper): Likewise.
193 * c-tree.h (c_expand_body): Move to ...
194 * c-common.h (c_expand_body): ... here.
195 * c-decl.c (c_expand_body): Move to ...
196 * c-common.c (c_expand_body): ... here.
197 (c_common_attribute_table): Allow 1 argument for the constructor
198 and destructor attributes.
199 (get_priority): New function.
200 (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
201 (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
203 2007-02-24 Jan Hubicka <jh@suse.cz>
205 PR middle-end/30509
206 * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
208 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
209 Jan Hubicka <jh@suse.cz>
211 PR target/30778
212 * i386.c (counter_mode): New function.
213 (expand_set_or_movmem_via_loop): Use it.
214 (expand_movmem_epilogue): Likewise; fix pasto.
215 (ix86_expand_movmem): Do emit guard even for constant counts.
216 (ix86_expand_setmem): Likewise.
218 2007-02-25 Nick Clifton <nickc@redhat.com>
220 * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
221 (JUMP_TABLES_IN_TEXT_SECTION): Define.
223 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
225 PR target/30770
226 * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
227 count argument with 0x10, not with 0x16.
228 (expand_setmem_epilogue): Ditto.
230 2007-02-24 Mike Stump <mrs@apple.com>
232 * config/i386/i386.c (output_pic_addr_const): Stubify optimized
233 symbols.
235 2007-02-24 Richard Guenther <rguenther@suse.de>
237 PR middle-end/30951
238 * fold-const.c (fold_binary): Fold x +- CST op x for
239 EQ_EXPR and NE_EXPR.
241 2007-02-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
243 * pa.md (muldi3): Force subregs to registers in 64-bit expander.
245 2007-02-24 Jan Hubicka <jh@suse.cz>
247 * cgraphunit.c (decide_is_function_needed): Honor
248 -fkeep-inline-functions.
250 2007-02-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
252 * builtins.c (fold_builtin_modf): New.
253 (fold_builtin_2): Use it.
255 2007-02-24 Bernd Schmidt <bernd.schmidt@analog.com>
257 * loop-iv.c (implies_p): Detect additional cases where A implies B.
258 (determine_max_iter): Take additional LOOP arg; all callers changed.
259 Lose broken logic dealing with PLUS. Try to limit the upper bound by
260 one using simplifications.
261 (simplify_using_initial_values): Return if the expression becomes
262 invalid due to altered regs.
264 2007-02-23 DJ Delorie <dj@redhat.com>
266 * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
268 2007-02-23 Mike Stump <mrs@apple.com>
270 * tlink.c (scan_linker_output): Parse linker messages from
271 darwin9's linker better.
273 2007-02-23 Steve Ellcey <sje@cup.hp.com>
275 PR debug/29614
276 * varpool.c (varpool_assemble_pending_decls): Set
277 varpool_last_needed_node to null.
279 2007-02-23 DJ Delorie <dj@redhat.com>
281 * config/i386/i386.c (ix86_data_alignment): Don't specify an
282 alignment bigger than the object file can handle.
284 2007-02-23 Uros Bizjak <ubizjak@gmail.com>
286 PR target/30825
287 * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
288 zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
289 (*movsf_1): Penalize MMX moves.
291 2007-02-23 Bernd Schmidt <bernd.schmidt@analog.com>
293 * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
294 2^32-1 or more times unless flag_unsafe_loop_optimizations.
296 * loop-iv.c (determine_max_iter): Moved in front of its sole user.
298 2007-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
300 * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
301 (fold_builtin_1): Use them.
302 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
303 BUILT_IN_SIGNIFICAND.
305 2007-02-23 H.J. Lu <hongjiu.lu@intel.com>
307 * config/i386/i386.c (bdesc_1arg): Initialize
308 IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
309 "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
310 (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
311 and IX86_BUILTIN_MOVSLDUP.
313 2007-02-22 Paolo Bonzini <bonzini@gnu.org>
315 PR rtl-optimization/30841
316 * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
318 2007-02-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
320 * builtins.c (fold_builtin_frexp): New.
321 (fold_builtin_2): Use it.
323 2007-02-22 Mark Mitchell <mark@codesourcery.com>
325 * doc/invoke.texi (Spec Files): Document getenv spec function.
327 * gcc.c (getenv_spec_function): New function.
328 (static_spec_functions): Add it.
329 * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
330 (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
331 header files.
333 2007-02-22 Michael Matz <matz@suse.de
335 PR c++/29433
336 * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
337 (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
339 2007-02-22 Ian Lance Taylor <iant@google.com>
341 PR debug/30898
342 * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
343 (mem_loc_descriptor): Call it.
345 2007-02-22 Zdenek Dvorak <dvorakz@suse.cz>
346 Ira Rosen <irar@il.ibm.com>
348 * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
350 2007-02-22 Ira Rosen <irar@il.ibm.com>
352 PR tree-optimization/30843
353 * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
354 stores only after all the group is vectorized.
356 2007-02-22 Dorit Nuzman <dorit@il.ibm.com>
358 PR tree-optimization/30858
359 * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
360 in the reduction cycle have a single use in the loop.
361 * tree-vectorizer.h (relevant): Add documentation.
363 2007-02-20 Mike Stump <mrs@apple.com>
365 * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
366 * configure: Regenerate.
368 2007-02-21 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
370 Change the defaults of some parameters and options.
371 * config/spu/spu-protos.h (spu_optimization_options): Declare.
372 * config/spu/spu.c (spu_optimization_options): Add.
373 (spu_override_options): Change params in spu_optimization_options.
374 * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
376 Register 127 is only 16 byte aligned when used as a frame pointer.
377 * config/spu/spu-protos.h (spu_init_expanders): Declare.
378 * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
379 HARD_FRAME_POINTER_REGNUM.
380 (spu_legitimate_address): Use regno_aligned_for_reload.
381 (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
382 aligned when frame_pointer_needed is true.
383 (spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM
384 to 8 bits.
385 * config/spu/spu.h (INIT_EXPANDERS): Define.
387 Make sure shift and rotate instructions have valid immediate operands.
388 * config/spu/predicates.md (spu_shift_operand): Remove.
389 * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
390 * config/spu/constraints.md (W, O): Extend range.
391 * config/spu/spu.md (umask, nmask): Define.
392 (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
393 lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
394 rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
395 rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
396 spu_nonmem_operand instead of spu_shift_operands. Use new modifiers.
397 (lshr<mode>3_reg): Fix rtl description.
399 Make sure mulhisi immediate operands are valid.
400 * config/spu/predicates.md (imm_K_operand): Add.
401 * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
403 Generate constants using fsmbi and andi.
404 * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
405 (print_operand, spu_split_immediate, classify_immediate,
406 fsmbi_const_p): Handle IC_FSMBI2.
408 Correctly handle a CONST_VECTOR containing symbols.
409 * config/spu/spu.c (print_operand): Handle HIGH correctly.
410 (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
411 (immediate_load_p): Allow symbols that use 2 instructions to create.
412 (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
413 with symbols when flag_pic is set.
414 (const_vector_immediate_p): New.
415 (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
416 accept a CONST_VECTOR with symbols.
417 (spu_legitimate_constant_p): Use const_vector_immediate_p. Don't
418 accept a CONST_VECTOR with symbols when flag_pic is set. Handle HIGH
419 correctly.
420 * config/spu/spu.md (high, low): Delete.
421 (low_<mode>): Define.
423 Remove INTRmode and INTR_REGNUM, which didn't work.
424 * config/spu/spu.c (spu_conditional_register_usage): Remove reference
425 of INTR_REGNUM.
426 * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
427 set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
428 peephole2 pattern): Don't use INTR or 131.
429 (movintrcc): Delete.
430 * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
431 CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
432 * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
433 (UNSPEC_SET_INTR): Add.
434 * config/spu/spu-modes.def (INTR): Remove.
436 More accurate warnings about run-time relocations.
437 * config/spu/spu.c (reloc_diagnostic): Test in_section.
439 Correctly warn about immediate arguments to specific intrinsics.
440 * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
441 (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
442 the instruction predicate.
444 Fix tree check errors with latest update.
445 * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
446 CALL_EXPR_ARG.
447 (spu_expand_builtin): Use CALL_EXPR_FN.
449 Add missing specific intrinsics.
450 * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
451 si_bislede.
452 * config/spu/spu_internals.h: Ditto.
454 Fix incorrect operand modifiers.
455 * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
456 * config/spu/spu.md (xor<mode>3): Change %S to %J.
458 Optimize one case of zero_extend of a vec_select.
459 * config/spu/spu.md (_vec_extractv8hi_ze): Add.
461 Accept any immediate for hbr.
462 * config/spu/spu.md (hbr): Change s constraints to i.
464 2007-02-21 Paul Brook <paul@codesourcery.com>
466 * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
467 condexec_count when skipping USE and CLOBBER.
469 2007-02-21 Nick Clifton <nickc@redhat.com>
471 * common.opt (Warray-bounds): Add Warning attribute.
472 (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
473 Likewise.
474 (fsized-zeroes): Add Optimization attribute.
475 (fsplit-wide-types, ftree-scev-cprop): Likewise.
476 * c.opt (Wc++0x-compat): Add Warning attribute.
478 2007-02-21 Ulrich Weigand <uweigand@de.ibm.com>
480 PR middle-end/30761
481 * reload1.c (eliminate_regs_in_insn): In the single_set special
482 case, attempt to re-recognize the insn before falling back to
483 having reload fix it up.
485 2007-02-20 Eric Christopher <echristo@gmail.com>
487 * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
488 Rewrite accordingly.
489 (frv_read_iacc_argument): Ditto.
490 (frv_expand_set_builtin): Take a call instead of arglist, update for
491 above changes.
492 (frv_expand_unop_builtin): Ditto.
493 (frv_expand_binop_builtin): Ditto.
494 (frv_expand_cut_builtin): Ditto.
495 (frv_expand_binopimm_builtin): Ditto.
496 (frv_expand_voidbinop_builtin): Ditto.
497 (frv_expand_int_void2arg): Ditto.
498 (frv_expand_prefetches): Ditto.
499 (frv_expand_voidtriop_builtin): Ditto.
500 (frv_expand_voidaccop_builtin): Ditto.
501 (frv_expand_load_builtin): Ditto.
502 (frv_expand_store_builtin): Ditto.
503 (frv_expand_mdpackh_builtin): Ditto.
504 (frv_expand_mclracc_builtin): Ditto.
505 (frv_expand_mrdacc_builtin): Ditto.
506 (frv_expand_mwtacc_builtin): Ditto.
507 (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
508 calls for above.
510 2007-02-20 Janis Johnson <janis187@us.ibm.com>
512 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
513 * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
514 cmpb instruction.
515 (HAVE_GAS_DFP): Check for assembler support of decimal floating
516 point instructions.
517 * configure: Regenerate.
518 * config.in: Regenerate.
519 * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
520 * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
521 masks to power6 and power6x and to POWERPC_MASKS.
522 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
523 _ARCH_PWR6.
524 * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
525 * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
526 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
527 Access PROTOTYPE as variable, not mask.
529 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
531 * rtl.h (remove_reg_equal_equiv_notes): New prototype.
532 * rtlanal.c (remove_reg_equal_equiv_notes): New function.
533 * combine.c (adjust_for_new_dest): Use it.
534 * postreload.c (reload_combine): Likewise.
536 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
538 * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
539 notes on an insn with multiple sets, even if single_set returns
540 non-NULL for that insn.
542 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
544 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
545 scalbn and scalbln.
547 2007-02-20 Geoffrey Keating <geoffk@apple.com>
549 * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
550 if user didn't pass it.
551 * config/i386/darwin.h (CC1_SPEC): Likewise.
552 * config/rs6000/darwin.h (CC1_SPEC): Likewise.
553 (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
554 -mmacosx-version-min.
556 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
557 Uros Bizjak <ubizjak@gmail.com>
559 * optabs.h (enum optab_index): Add new OTI_scalb.
560 (scalb_optab): Define corresponding macro.
561 * optabs.c (init_optabs): Initialize scalb_optab.
562 * genopinit.c (optabs): Implement scalb_optab using scalb?f3
563 patterns.
564 * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
565 BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
566 (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
567 and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
568 flag_unsafe_math_optimizations is set.
570 * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
571 to implement scalbf, scalb and scalbl built-ins as inline x87
572 intrinsics.
574 2007-02-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
575 DJ Delorie <dj@redhat.com>
577 PR other/30824
578 * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
579 (diagnostic_report_diagnostic): ... here, and turn them into real
580 errors. If warnings are inhibited, no need to do anything.
582 2007-02-20 Uros Bizjak <ubizjak@gmail.com>
584 * config/i386/i386.md (expm1xf2): Reorder insn sequence for
585 better code generation.
587 2007-02-20 Ben Elliston <bje@au.ibm.com>
589 * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
591 2007-02-20 Kazu Hirata <kazu@codesourcery.com>
593 * config/alpha/alpha.c, config/alpha/alpha.md,
594 config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
595 config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
596 config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
597 config/arm/lib1funcs.asm: Follow spelling conventions.
599 * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
600 config/fr30/fr30.md, config/i386/i386.h,
601 config/iq2000/iq2000.h, config/iq2000/predicates.md,
602 config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
603 config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
604 config/pdp11/pdp11.c, config/pdp11/pdp11.h,
605 config/rs6000/altivec.md, config/rs6000/rs6000.c,
606 config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
607 config/sparc/sparc.c, config/sparc/sparc.h,
608 config/sparc/sparc.md, config/spu/constraints.md,
609 config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
610 conventions.
612 2007-02-20 Alan Modra <amodra@bigpond.net.au>
614 PR target/29943
615 * varasm.c (use_blocks_for_decl_p): Return false for decls with
616 alias attribute.
618 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
620 * doc/invoke.texi (-ftree-lrs): Remove.
622 2007-02-19 Diego Novillo <dnovillo@redhat.com>
624 * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
625 NULL.
627 2007-02-19 Lee Millward <lee.millward@codesourcery.com>
629 * config/ia64/ia64.c (ia64_expand_builtin): Use the
630 new CALL_EXPR_FN macro for retrieving the function
631 declaration of the input expression.
633 2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
635 * c.opt (Waddress): New.
636 * common.opt (Walways-true): Delete.
637 (Wstring-literal-comparison): Delete.
638 * doc/invoke.texi (Warning Options): Delete -Walways-true and
639 -Wstring-literal-comparison. Add -Waddress.
640 (Waddress): New.
641 (Walways-true): Delete.
642 (Wstring-literal-comparison): Delete.
643 * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
644 consistently instead of -Walways-true in example.
645 * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
646 * c-typeck.c (parser_build_binary_op): Replace
647 -Wstring-literal-comparison and -Walways-true with -Waddress.
648 * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
649 with -Waddress.
651 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
653 * tree-cfg.c (dump_function_to_file): Be prepared for functions
654 without DECL_STRUCT_FUNCTION initialized.
656 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
658 * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
659 due to calls to functions taking pointers as parameters.
661 2007-02-19 Richard Henderson <rth@redhat.com>
663 PR debug/29558
664 * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
665 in memory.
667 2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com>
669 * config/s390/s390.c (s390_call_saved_register_used,
670 s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
671 accessed to the new scheme.
673 2007-02-19 Jan-Benedict Glaw <jbglaw@lug-owl.de>
675 * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
676 (cris_print_index, cris_print_operand, cris_print_operand_address)
677 (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
678 (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
679 (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
680 GET_CODE () == xxx.
681 * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
682 EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
683 GO_IF_LEGITIMATE_ADDRESS): Ditto.
684 * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
685 (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
686 (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
687 (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
688 (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
689 (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
690 (uminsi3, call, call_value): Ditto.
691 (define_split: indir_to_reg_split, unnamed): Ditto.
693 2007-02-19 Dorit Nuzman <dorit@il.ibm.com>
695 PR tree-optimization/30975
696 * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
697 wrong assert.
699 2007-02-18 Eric Christopher <echristo@gmail.com>
701 * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
702 Remove use of arglist.
703 (mips_expand_builtin): Remove use of arglist, pass in expr.
704 (mips_expand_builtin_direct): Rewrite handling for arglist removal.
705 (mips_expand_builtin_movtf): Ditto.
706 (mips_expand_builtin_compare): Ditto.
708 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
710 * tree-sra.c (sra_build_assignment): Replace assertion
711 checking with a comment explaining why it can't be done.
713 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
715 PR middle-end/30833
716 * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
717 during CALL_EXPR representation conversion.
718 * tree-ssa-propagate.c (set_rhs): Likewise.
720 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
722 * tree-sra.c (sra_build_assignment): Disable assertion checking
723 for now.
725 2007-02-18 Roger Sayle <roger@eyesopen.com>
727 * function.c (gimplify_parameters): Call build_gimple_modify_stmt
728 instead of calling build2 with a GIMPLE_MODIFY_STMT.
729 * gimple-low.c (lower_function_body, lower_builtin_setjmp):
730 Likewise.
731 * gimplify.c (build_stack_save_restore, gimplify_return_expr,
732 gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr,
733 gimplify_init_ctor_eval_range, gimple_push_cleanup,
734 gimplify_omp_for, gimplify_omp_atomic_pipeline,
735 gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
736 force_gimple_operand): Likewise.
737 * ipa-cp.c (constant_val_insert): Likewise.
738 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
739 lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
740 perfect_nestify): Likewise.
741 * langhooks.c (lhd_omp_assignment): Likewise.
742 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
743 lower_copyprivate_clauses, lower_send_clauses,
744 lower_send_shared_vars, expand_parallel_call,
745 expand_omp_for_generic, expand_omp_for_static_nochunk,
746 expand_omp_for_static_chunk, expand_omp_sections,
747 lower_omp_single_copy, lower_omp_for_lastprivate,
748 lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
749 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
750 tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
751 Likewise.
753 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
755 * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
756 config/sh/sh.md: Follow spelling conventions.
758 * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
759 config/frv/predicates.md: Follow spelling conventions.
761 * config/m68k/linux-unwind.h: Fix a comment typo.
762 * target.h: Follow spelling conventions.
764 2007-02-18 Roger Sayle <roger@eyesopen.com>
766 PR rtl-optimization/28173
767 * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
768 (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
769 Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
770 Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
771 <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
773 2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
775 * builtins.c (fold_builtin_load_exponent): New.
776 (fold_builtin_2): Use it.
778 2007-02-18 Steven Bosscher <steven@gcc.gnu.org>
780 PR rtl-optimization/30773
781 * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
782 if we fail to attach a REG_EQUIV note.
784 2007-02-18 David Edelsohn <edelsohn@gnu.org>
785 Roger Sayle <roger@eyesopen.com>
787 * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
789 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
791 * calls.c (initialize_argument_information): Pass original EXP
792 and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move
793 code to split complex arguments here, as part of initializing the
794 ARGS array.
795 (expand_call): Remove code that builds a list of arguments and
796 inserts implicit arguments into it. Instead, just count how many
797 implicit arguments there will be so we can determine the size of
798 the ARGS array, and let initialize_argument_information do the work.
799 (split_complex_values): Delete unused function.
801 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
803 * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
805 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
807 * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
808 for arg pointer based indexed addressing.
810 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
812 * config/ia64/ia64.h, config/ia64/ia64.md,
813 config/ia64/predicates.md, config/ia64/sysv4.h: Follow
814 spelling conventions.
816 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
818 * config/m68k/m68k.c (split_di): New.
819 * config/m68k/m68k-protos.h: Declare split_di.
820 * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
821 Improve predicate handling and split constant shifts.
823 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
825 * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
826 parameter for register bitfield operations, general predicates
827 cleanup
829 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
831 * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
832 * config/m68k/linux-unwind.h: New file.
834 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
836 * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
837 config/i386/athlon.md, config/ia64/ia64.md,
838 config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
839 df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
840 ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
841 tree-ssa-loop-niter.c, tree-vect-analyze.c,
842 tree-vect-transform.c: Fix comment typos.
844 2007-02-17 Kazu Hirata <kazu@codesourcery.com>
846 * sched-deps.c (find_insn_list): Remove.
847 * sched-int.h: Remove the prototype for find_insn_list.
849 2007-02-16 Geoffrey Keating <geoffk@apple.com>
851 * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
852 to linker.
853 (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
854 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
855 darwin_rs6000_override_options.
856 (C_COMMON_OVERRIDE_OPTIONS): Expect
857 darwin_macosx_version_min to be non-NULL always.
858 (TARGET_C99_FUNCTIONS): Likewise.
859 (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
860 (DARWIN_MINVERSION_SPEC): New.
861 * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
862 * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
863 to cc1*.
864 (DARWIN_MINVERSION_SPEC): New.
865 * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
866 value.
867 * config/darwin-c.c (darwin_cpp_builtins): Expect
868 darwin_macosx_version_min to be non-NULL always.
870 * config/rs6000/rs6000.c: Clean up trailing whitespace.
872 2007-02-16 Uros Bizjak <ubizjak@gmail.com>
874 * config/i386/i386.h (x86_use_xchgb): New.
875 (TARGET_USE_XCHGB): New macro.
876 * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
877 * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
878 Split after reload into bswaphi for shifts of 8.
879 (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
880 (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
881 or when optimizing for size.
883 2007-02-16 Richard Guenther <rguenther@suse.de>
884 Christian Bruel <christian.bruel@st.com>
886 * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
887 DECLs but prefer SSA_NAMEs over DECLs.
889 2007-02-16 Richard Guenther <rguenther@suse.de>
891 * tree-flow-inline.h (single_imm_use_p): Remove.
892 (zero_imm_uses_p): Likewise.
893 * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
894 instead of single_imm_use_p.
895 * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
896 zero_imm_uses_p.
898 2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
900 PR other/27843
901 * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
902 nested double- and backquotes.
904 2007-02-15 Roger Sayle <roger@eyesopen.com>
906 PR middle-end/30391
907 * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
908 should be unreachable.
909 (build2_stat): Allow construction of MODIFY_EXPR at any time.
910 For the time being redirect GIMPLE_MODIFY_STMT to the new
911 (renamed) build_gimple_modify_stmt_stat.
912 (build2_gimple_stat): Rename to...
913 (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
914 Always build a GIMPLE_MODIFY_STMT node.
915 * tree.h (build2_gimple, build2_gimple_stat): Delete.
916 (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
917 declarations.
919 * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
920 gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
921 * tree-complex.c (set_component_ssa_name, expand_complex_move,
922 expand_complex_div_wide): Likewise.
923 * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
924 * tree-ssa-loop-im.c (schedule_sm): Likewise.
925 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
926 * tree-ssa-loop-manip.c (create_iv): Likewise.
927 * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
928 abs_replacement): Likewise.
929 * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
930 realify_fake_stores): Likewise.
932 * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
933 node rather than a GIMPLE_MODIFY_STMT node.
934 (std_gimpify_va_arg_expr, expand_builtin_va_copy,
935 fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
936 Likewise.
937 (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
938 * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
939 GIMPLE_MODIFY_STMT.
941 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
943 PR middle-end/30433
944 * fold-const.c (fold_comparison): Add back the
945 folding of constant complex comparisions.
947 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
949 PR middle-end/30729
950 * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
951 effects unknown to this function, return early.
953 2007-02-15 Ian Lance Taylor <iant@google.com>
955 * lower-subreg.c (move_eh_region_note): New static function.
956 (resolve_simple_move): Call it.
957 (decompose_multiword_subregs): Track blocks for which we resolve a
958 simple move which is also a control flow insn. Pass them to
959 find_many_sub_basic_blocks.
960 (pass_lower_subreg): Add TODO_verify_flow.
961 (pass_lower_subreg2): Likewise.
963 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
964 Brooks Moses <brooks.moses@codesourcery.com>
965 Lee Millward <lee.millward@codesourcery.com>
967 * tree.h (enum tree_code_class): Add tcc_vl_exp.
968 (VL_EXP_CLASS_P): New.
969 (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
970 TREE_CODE_LENGTH.
971 (TREE_OPERAND_CHECK_CODE): Likewise.
972 (GIMPLE_STMT_OPERAND_CHECK): Likewise.
973 (TREE_RTL_OPERAND_CHECK): Likewise.
974 (tree_operand_check_failed): Make second parameter the whole tree
975 instead of its code. Fixed callers.
976 (VL_EXP_CHECK): New.
977 (TREE_OPERAND_LENGTH): New.
978 (VL_EXP_OPERAND_LENGTH): New.
979 (CALL_EXPR_FN): New.
980 (CALL_EXPR_STATIC_CHAIN): New.
981 (CALL_EXPR_ARGS): New.
982 (CALL_EXPR_ARG): New.
983 (call_expr_nargs): New.
984 (CALL_EXPR_ARGP): New.
985 (build_nt_call_list): Declare.
986 (build_vl_exp_stat): Declare.
987 (build_vl_exp): New.
988 (build_call_list): Declare.
989 (build_call_nary): Declare.
990 (build_call_valist): Declare.
991 (build_call_array): Declare.
992 (call_expr_arg): Declare.
993 (call_expr_argp): Declare.
994 (call_expr_arglist): Declare.
995 (fold_build_call_list): Declare.
996 (fold_build_call_list_initializer): Declare.
997 (fold_call_expr): Declare to replace fold_builtin.
998 (fold_builtin_fputs): Update to agree with modified definition.
999 (fold_builtin_strcpy): Likewise.
1000 (fold_builtin_strncpy): Likewise.
1001 (fold_builtin_memory_chk): Likewise.
1002 (fold_builtin_stxcpy_chk): Likewise.
1003 (fold_builtin_strncpy_chk): Likewise.
1004 (fold_builtin_next_arg): Likewise.
1005 (fold_build_call_expr): Declare.
1006 (fold_builtin_call_list): Declare.
1007 (fold_builtin_call_valist): Declare.
1008 (build_call_expr): Declare.
1009 (validate_arglist): Update to agree with modified definition.
1010 (tree_operand_length): New.
1011 (call_expr_arg_iterator): New.
1012 (init_call_expr_arg_iterator): New.
1013 (next_call_expr_arg): New.
1014 (first_call_expr_arg): New.
1015 (more_call_expr_args_p): New.
1016 (FOR_EACH_CALL_EXPR_ARG): New.
1018 * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
1019 and tcc_gimple_stmt.
1020 (tree_code_size): Update documentation. Use sizeof (tree) rather
1021 than sizeof (char *).
1022 (tree_size): Likewise. Add case for tcc_vl_exp.
1023 (tree_node_structure): Add case for tcc_vl_exp.
1024 (contains_placeholder_p): Likewise.
1025 (substitute_in_expr): Likewise.
1026 (substitute_placeholder_in_expr): Likewise.
1027 (stabilize_reference_1): Likewise.
1028 (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion
1029 to diagnose breakage of this interface for constructing CALL_EXPRs.
1030 (build_nt): Add similar assertion here.
1031 (build_nt_call_list): New.
1032 (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
1033 (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
1034 TREE_CODE_LENGTH.
1035 (get_callee_fndecl): Use new CALL_EXPR accessors.
1036 (tree_operand_check_failed): Change parameters to pass entire node
1037 instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
1038 (process_call_operands): New.
1039 (build_vl_exp_stat): New.
1040 (build_call_list): New.
1041 (build_call_nary): New.
1042 (build_call_valist): New.
1043 (build_call_array): New.
1044 (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1045 (call_expr_arglist): New.
1047 * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
1048 tcc_vl_exp instead of a fixed-size tcc_expression.
1050 * doc/c-tree.texi (CALL_EXPR): Document new representation and
1051 accessors for CALL_EXPRs.
1052 (AGGR_INIT_EXPR): Likewise.
1054 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
1055 Brooks Moses <brooks.moses@codesourcery.com>
1056 Lee Millward <lee.millward@codesourcery.com>
1058 * builtins.c (c_strlen): Return NULL_TREE instead of 0.
1059 (expand_builtin_nonlocal_goto): Change parameter to be entire
1060 CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors.
1061 (expand_builtin_prefetch): Likewise.
1062 (expand_builtin_classify_type): Likewise.
1063 (mathfn_built_in): Return NULL_TREE instead of 0.
1064 (expand_errno_check): Use new CALL_EXPR accessors.
1065 (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
1066 Return NULL_RTX instead of 0.
1067 (expand_builtin_mathfn_2): Likewise.
1068 (expand_builtin_mathfn_3): Likewise.
1069 (expand_builtin_interclass_mathfn): Likewise.
1070 (expand_builtin_sincos): Likewise.
1071 (expand_builtin_cexpi): Likewise.
1072 (expand_builtin_int_roundingfn): Likewise.
1073 (expand_builtin_int_roundingfn_2): Likewise.
1074 (expand_builtin_pow): Likewise.
1075 (expand_builtin_powi): Likewise.
1076 (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
1077 of arglist, fixing callers appropriately. Use new CALL_EXPR
1078 accessors and constructors. Return NULL_RTX instead of 0.
1079 (expand_builtin_strstr): Likewise.
1080 (expand_builtin_strchr): Likewise.
1081 (expand_builtin_strrchr): Likewise.
1082 (expand_builtin_strpbrk): Likewise.
1083 (expand_builtin_memcpy): Likewise.
1084 (expand_builtin_mempcpy): Likewise.
1085 (expand_builtin_mempcpy_args): New.
1086 (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
1087 (expand_builtin_memmove_args): New.
1088 (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
1089 (expand_movstr): Likewise.
1090 (expand_builtin_strcpy): Likewise.
1091 (expand_builtin_strcpy_args): New.
1092 (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
1093 (expand_builtin_strncpy): Likewise.
1094 (expand_builtin_memset): Likewise.
1095 (expand_builtin_memset_args): New.
1096 (expand_builtin_bzero): Similarly to expand_builtin_memset.
1097 (expand_builtin_memcmp): Likewise.
1098 (expand_builtin_strcmp): Likewise.
1099 (expand_builtin_strncmp): Likewise.
1100 (expand_builtin_strcat): Likewise.
1101 (expand_builtin_strncat): Likewise.
1102 (expand_builtin_strspn): Likewise.
1103 (expand_builtin_strcspn): Likewise.
1104 (expand_builtin_args_info): Likewise.
1105 (expand_builtin_va_start): Likewise.
1106 (gimplify_va_arg_expr): Likewise.
1107 (expand_builtin_va_end): Likewise.
1108 (expand_builtin_va_copy): Likewise.
1109 (expand_builtin_frame_address): Likewise.
1110 (expand_builtin_alloca): Likewise.
1111 (expand_builtin_bswap): Likewise.
1112 (expand_builtin_unop): Likewise.
1113 (expand_builtin_fputs): Likewise.
1114 (expand_builtin_expect): Likewise.
1115 (expand_builtin_fabs): Likewise.
1116 (expand_builtin_copysign): Likewise.
1117 (expand_builtin_printf): Likewise.
1118 (expand_builtin_fprintf): Likewise.
1119 (expand_builtin_sprintf): Likewise.
1120 (expand_builtin_init_trampoline): Likewise.
1121 (expand_builtin_signbit): Likewise.
1122 (expand_builtin_fork_or_exec): Likewise.
1123 (expand_builtin_sync_operation): Likewise.
1124 (expand_builtin_compare_and_swap): Likewise.
1125 (expand_builtin_lock_test_and_set): Likewise.
1126 (expand_builtin_lock_release): Likewise.
1127 (expand_builtin): Likewise.
1128 (builtin_mathfn_code): Likewise.
1130 (fold_builtin_constant_p): Pass call arguments individually instead
1131 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
1132 accessors and constructors. Return NULL_TREE instead of 0.
1133 (fold_builtin_expect): Likewise.
1134 (fold_builtin_classify_type): Likewise.
1135 (fold_builtin_strlen): Likewise.
1136 (fold_builtin_nan): Likewise.
1137 (integer_valued_real_p): Likewise.
1138 (fold_trunc_transparent_mathfn): Likewise.
1139 (fold_fixed_mathfn): Likewise.
1140 (fold_builtin_cabs): Likewise.
1141 (fold_builtin_sqrt): Likewise.
1142 (fold_builtin_cbrt): Likewise.
1143 (fold_builtin_cos): Likewise.
1144 (fold_builtin_cosh): Likewise.
1145 (fold_builtin_tan): Likewise.
1146 (fold_builtin_sincos): Likewise.
1147 (fold_builtin_cexp): Likewise.
1148 (fold_builtin_trunc): Likewise.
1149 (fold_builtin_floor): Likewise.
1150 (fold_builtin_ceil): Likewise.
1151 (fold_builtin_round): Likewise.
1152 (fold_builtin_int_roundingfn): Likewise.
1153 (fold_builtin_bitop): Likewise.
1154 (fold_builtin_bswap): Likewise.
1155 (fold_builtin_logarithm): Likewise.
1156 (fold_builtin_hypot): Likewise.
1157 (fold_builtin_pow): Likewise.
1158 (fold_builtin_powi): Likewise.
1159 (fold_builtin_exponent): Likewise.
1160 (fold_builtin_memset): Likewise.
1161 (fold_builtin_bzero): Likewise.
1162 (fold_builtin_memory_op): Likewise.
1163 (fold_builtin_bcopy): Deleted; call site changed to invoke
1164 fold_builtin_memory_op directly.
1165 (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
1166 (fold_builtin_strncpy): Likewise.
1167 (fold_builtin_memcmp): Likewise.
1168 (fold_builtin_strcmp): Likewise.
1169 (fold_builtin_strncmp): Likewise.
1170 (fold_builtin_signbit): Likewise.
1171 (fold_builtin_copysign): Likewise.
1172 (fold_builtin_isascii): Likewise.
1173 (fold_builtin_toascii): Likewise.
1174 (fold_builtin_isdigit): Likewise.
1175 (fold_builtin_fabs): Likewise.
1176 (fold_builtin_abs): Likewise.
1177 (fold_builtin_fmin_fmax): Likewise.
1178 (fold_builtin_carg): Likewise.
1179 (fold_builtin_classify): Likewise.
1180 (fold_builtin_unordered_cmp): Likewise.
1182 (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
1183 New functions split out from fold_builtin_1.
1184 (fold_builtin_n): New.
1185 (fold_builtin_varargs): New.
1186 (fold_builtin): Deleted. Most callers changed to use fold_call_expr
1187 instead.
1188 (fold_call_expr): New.
1189 (build_function_call_expr): Rewrite to use new helper function.
1190 (fold_builtin_call_list): New.
1191 (build_call_expr): New.
1192 (fold_builtin_call_valist): New.
1193 (rewrite_call_expr): New.
1194 (validate_arg): New.
1195 (validate_arglist): Change parameter to be entire CALL_EXPR instead
1196 of an arglist. Change return type to bool. Use new CALL_EXPR
1197 accessors.
1199 (fold_builtin_strstr): Pass call arguments individually instead
1200 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
1201 accessors and constructors. Return NULL_TREE instead of 0.
1202 (fold_builtin_strchr): Likewise.
1203 (fold_builtin_strrchr): Likewise.
1204 (fold_builtin_strpbrk): Likewise.
1205 (fold_builtin_strcat): Likewise.
1206 (fold_builtin_strncat): Likewise.
1207 (fold_builtin_strspn): Likewise.
1208 (fold_builtin_strcspn): Likewise.
1209 (fold_builtin_fputs): Likewise.
1210 (fold_builtin_next_arg): Likewise.
1211 (fold_builtin_sprintf): Likewise.
1213 (expand_builtin_object_size): Use new CALL_EXPR accessors. Use
1214 NULL_RTX instead of 0.
1215 (expand_builtin_memory_chk): Likewise.
1216 (maybe_emit_chk_warning): Likewise.
1217 (maybe_emit_sprintf_chk_warning): Likewise.
1219 (fold_builtin_object_size): Pass call arguments individually instead
1220 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
1221 accessors and constructors. Return NULL_TREE instead of 0.
1222 (fold_builtin_memory_chk): Likewise.
1223 (fold_builtin_stxcpy_chk): Likewise.
1224 (fold_builtin_strncpy_chk): Likewise.
1225 (fold_builtin_strcat_chk): Likewise.
1226 (fold_builtin_strcat_chk): Likewise.
1227 (fold_builtin_strncat_chk): Likewise.
1228 (fold_builtin_sprintf_chk): Likewise.
1229 (fold_builtin_snprintf_chk): Likewise.
1230 (fold_builtin_printf): Likewise.
1231 (fold_builtin_vprintf): Likewise.
1233 * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
1234 constructors.
1235 (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
1236 (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1237 (extract_muldiv_1): Add VL_EXP_CLASS_P case.
1238 (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
1239 (fold_unary): Likewise.
1240 (fold_binary): Likewise.
1241 (fold_ternary): Remove CALL_EXPR case, since they are no longer
1242 ternary expressions.
1243 (fold): Add logic for tcc_vl_exp.
1244 (fold_checksum_tree): Make it know about tcc_vl_exp. Use
1245 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1246 (fold_build3_stat): Add assertion to flag broken interface for
1247 constructing CALL_EXPRs.
1248 (fold_build_call_list): New.
1249 (fold_build_call_list_initializer): New.
1250 (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
1251 constructors.
1252 (fold_strip_sign_ops): Likewise.
1254 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
1255 Brooks Moses <brooks.moses@codesourcery.com>
1256 Lee Millward <lee.millward@codesourcery.com>
1258 * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
1259 accessors and dump arguments explicitly.
1261 * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
1262 TREE_CODE_LENGTH.
1263 (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
1264 explicitly.
1265 (print_call_name): Use new CALL_EXPR accessors.
1267 * print-tree.c (print_node): Add case tcc_vl_exp. Print
1268 CALL_EXPR arguments explicitly instead of as a list. Use
1269 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1271 * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
1272 (vrp_visit_stmt): Likewise.
1274 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
1275 know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
1276 TREE_CODE_LENGTH.
1277 (force_move_till_expr): Likewise.
1279 * targhooks.c (default_external_stack_protect_fail): Use
1280 build_call_expr instead of build_function_call_expr.
1281 (default_hidden_stack_protect_fail): Likewise.
1283 * tree-complex.c (expand_complex_libcall): Use build_call_expr to
1284 build the call.
1286 * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
1287 and walk arguments explicitly.
1289 * tree-ssa-loop-niter.c (simplify_replace_tree): Use
1290 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1291 (expand_simple_operations): Likewise.
1292 (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
1294 * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
1295 of TREE_CODE_LENGTH.
1296 (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
1298 * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
1299 instead of TREE_CODE_LENGTH.
1301 * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
1302 (tree_ic_transform): Likewise.
1303 (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
1304 parameter instead of arglist. Fix callers.
1305 (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
1306 (tree_stringops_transform): Likewise.
1307 (tree_indirect_call_to_profile): Likewise.
1308 (tree_stringops_values_to_profile): Likewise.
1310 * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
1311 (eliminate_tail_call): Likewise.
1313 * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
1315 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1316 Use TREE_OPERAND_LENGTH and generalize to handle any number of
1317 operands.
1318 (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1320 * omp-low.c (build_omp_barrier): Use build_call_expr.
1321 (lower_rec_input_clauses): Likewise.
1322 (lower_reduction_clauses): Likewise.
1323 (expand_parallel_call): Likewise.
1324 (maybe_catch_exception): Likewise.
1325 (expand_omp_for_generic): Likewise.
1326 (expand_omp_for_static_nochunk): Likewise.
1327 (expand_omp_sections): Likewise.
1328 (lower_omp_single_simple): Likewise.
1329 (lower_omp_single_copy): Likewise.
1330 (lower_omp_master): Likewise.
1331 (lower_omp_ordered): Likewise.
1332 (lower_omp_critical): Likewise.
1334 * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1335 (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1337 * tree-gimple.c (is_gimple_call_addr): Fix doc.
1338 (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1339 TREE_CODE_LENGTH. Add tcc_vl_exp case.
1341 * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1342 and generalize to handle any number of operands.
1343 (chrec_contains_undetermined): Likewise.
1344 (tree_contains_chrecs): Likewise.
1345 (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1347 * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1349 * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use
1350 fold_call_expr instead of fold_builtin.
1351 (ccp_fold_builtin): Likewise. Update calls into builtins.c to
1352 match declarations there.
1353 (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc
1354 updates.
1356 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1357 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1359 * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1360 (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1362 * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1363 accessors.
1365 * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1366 (execute_cse_sincos): Use new CALL_EXPR accessors.
1368 * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1370 * gimple-low.c (lower_function_body): Use build_call_expr.
1371 (lower_builtin_setjmp): Likewise.
1373 * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1374 (set_storage_via_libcall): Likewise.
1375 (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH
1376 instead of TREE_CODE_LENGTH.
1377 (expand_expr_real_1): Use new CALL_EXPR accessors.
1379 * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1380 generalize to handle any number of operands.
1381 (TB_parent_eq): Likewise.
1383 * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1384 (strip_builtin_expect): Likewise.
1386 * function.c (gimplify_parameters): Use build_call_expr.
1388 * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1389 instead of TREE_CODE_LENGTH.
1391 * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1392 (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1394 * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1395 iterators.
1397 * gimplify.c (build_stack_save_restore): Use build_call_expr.
1398 (gimplify_decl_expr): Likewise.
1399 (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1400 Use new CALL_EXPR iterators.
1401 (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1402 (gimplify_modify_expr_to_memset): Likewise.
1403 (gimplify_variable_sized_compare): Likewise.
1404 (gimplify_omp_atomic_fetch_op): Likewise.
1405 (gimplify_omp_atomic_pipeline): Likewise.
1406 (gimplify_omp_atomic_mutex): Likewise.
1407 (gimplify_function_tree): Likewise.
1409 * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1410 (call_expr_flags): Likewise.
1411 (expand_call): Likewise.
1413 * except.c (expand_builtin_eh_return_data_regno): Pass entire
1414 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
1415 accessors.
1417 * coverage.c (create_coverage): Use build_call_expr.
1419 * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1420 (temp_call_expr_obstack): New.
1421 (pool_copy_list): Delete.
1422 (temp_copy_call_expr): New.
1423 (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new
1424 CALL_EXPR accessors. Get rid of special goo for copying argument
1425 lists and use temp_copy_call_expr instead.
1426 (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new
1427 CALL_EXPR accessors.
1428 (create_expression_by_pieces): Likewise. Use build_call_array
1429 to construct the result instead of fold_build3.
1430 (create_value_expr_from): Add tcc_vl_exp. Delete special goo for
1431 dealing with argument lists.
1432 (init_pre): Remove references to expression_node_pool and
1433 list_node_pool. Init temp_call_expr_obstack instead.
1434 (fini_pre): Remove references to expression_node_pool and
1435 list_node_pool.
1437 * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1438 and walk arguments explicitly instead of as a list.
1440 * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1441 (mx_register_decls): Likewise.
1442 (mudflap_register_call): Likewise.
1443 (mudflap_finish_file): Likewise.
1445 * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1446 (ipa_callsite_compute_param): Likewise.
1448 * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1449 accessors and constructor.
1451 * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1452 accessors and constructor.
1453 (convert_tramp_reference): Likewise.
1454 (convert_call_expr): Likewise.
1455 (finalize_nesting_tree_1): Likewise.
1457 * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1458 accessors.
1460 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1462 * tree-inline.c (initialize_inlined_parameters): Pass entire
1463 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
1464 accessors.
1465 (estimate_num_insns_1): Use new CALL_EXPR accessors.
1466 (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1468 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
1469 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1470 (vectorizable_reduction): Likewise.
1471 (vectorizable_call): Use new CALL_EXPR iterators.
1472 (vectorizable_conversion): Use build_call_expr.
1473 (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1474 (vect_gen_widened_results_half): Use build_call_expr.
1475 (vect_setup_realignment): Likewise.
1476 (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1478 * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1479 (pass_through_call): Likewise.
1480 (compute_object_sizes): Likewise. Use fold_call_expr instead of
1481 fold_builtin.
1483 * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1484 (tree_gen_pow2_profiler): Likewise.
1485 (tree_gen_one_value_profiler): Likewise.
1486 (tree_gen_ic_func_profiler): Likewise.
1487 (tree_gen_average_profiler): Likewise.
1488 (tree_gen_ior_profiler): Likewise.
1490 * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1491 (find_func_aliases): Use new CALL_EXPR accessors. Add case
1492 tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1494 * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1495 of TREE_CODE_LENGTH.
1497 * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1498 of TREE_CODE_LENGTH.
1500 * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1501 constructor.
1502 (convert_to_integer): Likewise.
1504 * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1505 accessors.
1507 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
1508 Brooks Moses <brooks.moses@codesourcery.com>
1509 Lee Millward <lee.millward@codesourcery.com>
1511 * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1512 accessors.
1513 * config/frv/frv.c (frv_expand_builtin): Likewise.
1514 * config/s390/s390.c (s390_expand_builtin): Likewise.
1516 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1517 (sparc_expand_builtin): Use new CALL_EXPR accessors.
1519 * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1520 (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1521 instead of arglist. Use new CALL_EXPR accessors on it. Fix callers.
1522 (ix86_expand_store_builtin): Likewise.
1523 (ix86_expand_unop_builtin): Likewise.
1524 (ix86_expand_unop1_builtin): Likewise.
1525 (ix86_expand_sse_compare): Likewise.
1526 (ix86_expand_sse_comi): Likewise.
1527 (ix86_expand_vec_init_builtin): Likewise.
1528 (ix86_expand_vec_ext_builtin): Likewise.
1529 (ix86_expand_vec_set_builtin): Likewise.
1530 (ix86_expand_builtin): Use new CALL_EXPR accessors.
1532 * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1533 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1535 * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1536 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
1537 (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1539 * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1540 build_call_expr.
1541 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1542 (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1543 arglist. Use new CALL_EXPR accessors. Fix callers.
1544 (altivec_expand_abs_builtin): Likewise.
1545 (rs6000_expand_binop_builtin): Likewise.
1546 (altivec_expand_predicate_builtin): Likewise.
1547 (altivec_expand_lv_builtin): Likewise.
1548 (spe_expand_stv_builtin): Likewise.
1549 (altivec_expand_stv_builtin): Likewise.
1550 (rs6000_expand_ternop_builtin): Likewise.
1551 (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1552 (altivec_expand_st_builtin): Likewise.
1553 (altivec_expand_dst_builtin): Likewise.
1554 (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1555 arglist. Use new CALL_EXPR accessors. Fix callers.
1556 (altivec_expand_vec_set_builtin): Likewise.
1557 (altivec_expand_vec_ext_builtin): Likewise.
1558 (altivec_expand_builtin): Use new CALL_EXPR accessors.
1559 (spe_expand_builtin): Likewise.
1560 (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1561 arglist. Use new CALL_EXPR accessors. Fix callers.
1562 (spe_expand_evsel_builtin): Likewise.
1563 (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and
1564 FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1566 * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1567 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
1568 (arm_expand_unop_builtin): Likewise.
1569 (arm_expand_builtin): Use new CALL_EXPR accessors.
1571 * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
1572 accessors.
1574 * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1575 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
1576 (bfin_expand_unop_builtin): Likewise.
1577 (bfin_expand_builtin): Use new CALL_EXPR accessors.
1579 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
1580 Brooks Moses <brooks.moses@codesourcery.com>
1581 Lee Millward <lee.millward@codesourcery.com>
1583 * c-semantics.c (build_stmt): Add internal diagnostic check.
1585 * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1586 accessors. Print arguments explicitly instead of as a list.
1588 * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1590 * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1591 (c_finish_omp_flish): Likewise.
1593 * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse
1594 arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH
1595 instead of TREE_CODE_LENGTH.
1596 (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1597 (c_warn_unused_result): Likewise.
1599 2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1601 PR c/26494
1602 * doc/invoke.texi (Warning Options): Remove
1603 -Werror-implicit-function-declaration.
1604 (Wimplicit-function-declaration): Update description.
1605 * opts.c (common_handle_option): Move handling of -Werror=* to...
1606 (enable_warning_as_error): ...here.
1607 * opts.h (enable_warning_as_error): Declare.
1608 * c-decl.c (implicit_decl_warning): Unless
1609 -Wno-implicit-function-declaration is given, emit a pedwarn if
1610 -std=c99 or emit a warning if -Wimplicit-function-declaration.
1611 * c.opt (Wimplicit-function-declaration): Replace
1612 mesg_implicit_function_declaration with
1613 warn_implicit_function_declaration.
1614 * c-opts.c (c_common_handle_option):
1615 -Werror-implicit-function-declaration is exactly equal as
1616 -Werror=implicit-function-declaration.
1617 (set_Wimplicit): Replace mesg_implicit_function_declaration with
1618 warn_implicit_function_declaration.
1619 (c_common_post_options): -Wimplict-function-declaration is enabled
1620 by default by -std=c99, otherwise is disabled by default.
1621 * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1623 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
1625 * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1626 DECL on the rhs to a DECL on the lhs for debug info purposes if the
1627 former is ignored but not the latter.
1629 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
1631 * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1632 is made and the reference doesn't use the alias set of its type,
1633 do not create the temporary using that type.
1635 2007-02-15 Aldy Hernandez <aldyh@redhat.com>
1637 * jump.c: Remove prototypes for delete_computation and
1638 delete_prior_computation.
1640 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
1642 * jump.c (get_label_after): Delete.
1643 (get_label_before, delete_computation, delete_jump,
1644 delete_prior_computation, follow_jumps): Move...
1645 * reorg.c (delete_computation, delete_prior_computation): ... here...
1646 (get_label_before, delete_jump): ... making these static ...
1647 (follow_jumps): ... and simplifying this since it only runs after
1648 reload.
1649 * rtl.h (get_label_after, get_label_before, delete_jump,
1650 follow_jumps): Delete prototypes.
1652 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
1654 * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1656 2007-02-15 Nick Clifton <nickc@redhat.com>
1658 * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1659 order to prevent it from being munged by the target.
1661 2007-02-15 Uros Bizjak <ubizjak@gmail.com>
1663 * config/i386/i386.md: Remove misleading comment.
1665 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
1667 * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1668 reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1669 invalid patterns.
1671 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
1673 * tree-sra.c (instantiate_missing_elements): Canonicalize
1674 bit-field types.
1675 (sra_build_assignment): New.
1676 (generate_copy_inout, generate_element_copy,
1677 generate_element_zero, generate_one_element_init): Use it.
1679 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
1681 * tree-sra.c (instantiate_missing_elements): Canonicalize
1682 bit-field types.
1683 (sra_build_assignment): New.
1684 (generate_copy_inout, generate_element_copy,
1685 generate_element_zero, generate_one_element_init): Use it.
1687 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
1689 * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1690 limbo die nodes.
1692 2007-02-14 Joseph Myers <joseph@codesourcery.com>
1694 * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1695 types as aggregates not scalars.
1696 * function.c (assign_stack_temp_for_type): Likewise.
1698 2007-02-14 Roger Sayle <roger@eyesopen.com>
1699 Zdenek Dvorak <dvorakz@suse.cz>
1701 * tree-dump.c (dump_switch_p_1): Require exact match of the option
1702 name.
1704 2007-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1706 * passes.c (next_pass_1): Clear the next field of the copied
1707 pass structure.
1709 2007-02-14 Richard Henderson <rth@redhat.com>
1711 * tree-sra.c (early_sra): New.
1712 (decl_can_be_decomposed_p): Deny va_list if early_sra.
1713 (tree_sra_early, pass_sra_early): New.
1714 * tree-pass.h (pass_sra_early): Declare.
1715 * passes.c (init_optimization_passes): Use it.
1717 2007-02-14 Richard Guenther <rguenther@suse.de>
1719 * flags.h (issue_strict_overflow_warning): Convert to a macro.
1721 2007-02-14 Dorit Nuzman <dorit@il.ibm.com>
1723 PR tree-optimization/30771
1724 * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1725 also phi nodes.
1726 (vect_analyze_operations): Induction phis can now be marked as
1727 used_in_loop.
1728 (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1729 Update documentation accordingly.
1731 2007-02-14 Nick Clifton <nickc@redhat.com>
1733 * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1734 most 3 arguments are supported.
1735 (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1737 2007-02-13 Seongbae Park <seongbae.park@gmail.com>
1739 * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1740 Ensure dst->current is valid.
1742 2007-02-13 Paul Brook <paul@codesourcery.com>
1744 * config.gcc: Add arm*-*-uclinux-*eabi.
1745 * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1746 (SUBTARGET_EXTRA_LINK_SPEC): Define.
1747 (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1748 (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1749 (LINK_SPEC): Define.
1750 (LIB_SPEC): Define.
1751 * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1752 register.
1753 * config/arm/uclinux-eabi.h: New file.
1754 * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1755 * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1756 based targets.
1758 2007-02-13 Ian Lance Taylor <iant@google.com>
1760 * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1761 * flags.h (warn_strict_overflow): Declare.
1762 (enum warn_strict_overflow_code): Define.
1763 (issue_strict_overflow_warning): New static inline function.
1764 * opts.c (warn_strict_overflow): New variable.
1765 (common_handle_option): Handle OPT_Wstrict_overflow and
1766 OPT_Wstrict_overflow_.
1767 * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1768 OPT_Wall.
1769 * fold-const.c: Include intl.h.
1770 (fold_deferring_overflow_warnings): New static variable.
1771 (fold_deferred_overflow_warning): New static variable.
1772 (fold_deferred_overflow_code): New static variable.
1773 (fold_defer_overflow_warnings): New function.
1774 (fold_undefer_overflow_warnings): New function.
1775 (fold_undefer_and_ignore_overflow_warnings): New function.
1776 (fold_deferring_overflow_warnings_p): New function.
1777 (fold_overflow_warning): New static function.
1778 (make_range): Add strict_overflow_p parameter. Change all
1779 callers.
1780 (extract_muldiv, extract_muldiv_1): Likewise.
1781 (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1782 tree_expr_nonnegative_p.
1783 (fold_negate_expr): Call fold_overflow_warning.
1784 (fold_range_test): Likewise.
1785 (fold_comparison): Likewise.
1786 (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
1787 instead of tree_expr_nonnegative_p.
1788 (tree_expr_nonnegative_warnv_p): Rename from
1789 tree_expr_nonnegative_p, add strict_overflow_p parameter.
1790 (tree_expr_nonnegative_p): New function.
1791 (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1792 strict_overflow_p parameter.
1793 (tree_expr_nonzero_p): New function.
1794 * passes.c (verify_interpass_invariants): New static function.
1795 (execute_one_pass): Call it.
1796 * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1797 warnings.
1798 (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1799 (estimate_numbers_of_iterations): Likewise.
1800 (scev_probably_wraps_p): Likewise.
1801 * tree-ssa-ccp.c: Include "toplev.h".
1802 (evaluate_stmt): Defer fold overflow warnings until we know we are
1803 going to optimize.
1804 (struct fold_stmt_r_data): Add stmt field.
1805 (fold_stmt_r): Defer fold overflow warnings until we know we
1806 optimized.
1807 (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1808 (fold_stmt_inplace): Likewise.
1809 * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1810 (cleanup_control_expr_graph): Defer fold overflow warnings until
1811 we know we are going to optimize.
1812 * tree-cfg.c (fold_cond_expr_cond): Likewise.
1813 * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1814 Likewise.
1815 * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1816 tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1817 * tree-ssa-loop-manip.c (create_iv): Likewise.
1818 * c-typeck.c (build_conditional_expr): Likewise.
1819 (build_binary_op): Likewise.
1820 * tree-vrp.c (vrp_expr_computes_nonzero): Call
1821 tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1822 (extract_range_from_unary_expr): Likewise.
1823 * simplify-rtx.c (simplify_const_relational_operation): Warn when
1824 assuming that signed overflow does not occur.
1825 * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1826 * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1827 (fold_defer_overflow_warnings): Declare.
1828 (fold_undefer_overflow_warnings): Declare.
1829 (fold_undefer_and_ignore_overflow_warnings): Declare.
1830 (fold_deferring_overflow_warnings_p): Declare.
1831 (tree_expr_nonzero_warnv_p): Declare.
1832 * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1833 of warning options.
1834 (Warning Options): Document -Wstrict-overflow.
1835 * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1836 (tree-ssa-ccp.o): Likewise.
1837 (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1838 (fold-const.o): Depend on intl.h.
1840 2007-02-13 Ian Lance Taylor <iant@google.com>
1842 PR middle-end/30751
1843 * lower-subreg.c (resolve_simple_move): Decompose subregs in
1844 addresses.
1846 2007-02-13 Stuart Hastings <stuart@apple.com>
1848 * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1850 2007-02-13 Richard Henderson <rth@redhat.com>
1852 * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1853 handled_component_p before looking for the indirect_ref.
1855 2007-02-13 Richard Henderson <rth@redhat.com>
1857 * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1858 remove flags clobber.
1859 (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1860 (bswaphi_lowpart): New.
1861 (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1862 remove TARGET_BSWAP test. Delete expander of the same name.
1864 * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1865 (expand_unop): Use them.
1867 2007-02-13 Uros Bizjak <ubizjak@gmail.com>
1869 * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1870 *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1871 *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1872 *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1873 *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1874 *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1875 *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1876 assembler dialect choice from asm templates.
1878 2007-02-12 Richard Henderson <rth@redhat.com>
1880 * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1881 (fixuns_trunc<SSEMODEF>si2): Use it.
1882 * config/i386/sse.md (vec_setv4sf_0): Export.
1883 * config/i386/i386.c (ix86_build_const_vector): Export.
1884 (ix86_split_convert_uns_si_sse): Rename from
1885 ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1886 * config/i386/i386-protos.h: Update.
1888 2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1890 PR c/29521
1891 * c-typeck.c (c_finish_return): Improve warning message.
1893 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1895 * alias.c (find_symbolic_term): Delete unused function.
1897 2007-02-12 Uros Bizjak <ubizjak@gmail.com>
1899 * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1900 (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1901 (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1903 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
1905 * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1906 * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1907 the function, temporarily point the debug interface to the null one.
1909 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
1911 * dwarf2out.c (round_up_to_align): New static function.
1912 (field_byte_offset): Use it to round the offset.
1914 2007-02-12 Richard Henderson <rth@redhat.com>
1916 * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1917 (inswl_const): Export.
1919 2007-02-12 Richard Henderson <rth@redhat.com>
1921 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1922 result mode of the libcall, convert back to outmode.
1924 2007-02-12 Roger Sayle <roger@eyesopen.com>
1926 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1927 (bswapdi2): New define_expand to implement 32-bit implementation.
1929 2007-02-12 Nick Clifton <nickc@redhat.com>
1931 * doc/invoke.texi (Overall Options): Document --help=.
1932 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1933 (cc1_options): Pass --help= on to cc1.
1934 (display_help): Add description of --help=.
1935 (process_command): Add code to handle --help=. Allow translated
1936 --help and --target-help switches to be passed on to compiler
1937 sub-process.
1938 (main): Remove unused if statement.
1939 * opts.c (columns): Remove.
1940 (LEFT_COLUMN): Define.
1941 (wrap_help): Add columns argument.
1942 (print_filtered_help): Change parameters to be an include bitmask,
1943 an exclude bitmask, an any bitmask and the column width. Move the
1944 code to display the params list here. Add code to display the
1945 status of options rather than their descriptions if the quiet flag
1946 is not active.
1947 (print_specific_help): Change parameters to be an include bitmask,
1948 an exclude bitmask and an any bitmask. Move code to look up the
1949 column width here. Decide upon the title for an options listing.
1950 (common_handle_options): Add code to handle --help=. Adapt code
1951 for --help and --target-help to use the revised form of the
1952 print_specific_help function.
1953 (print_help): Delete.
1954 (print_param_help): Delete.
1955 (print_switch): Delete.
1956 * opts.h (cl_lang_count): Add prototype.
1957 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1958 CL_MAX_OPTION_CLASS): New defines.
1959 * optc-gen.awk: Add construction of cl_lang_count.
1960 * c.opt: Add Warning attribute to warning options and Optimization
1961 attribute to optimization options.
1962 * common.opt: Likewise.
1963 Add --help=.
1964 Add -fhelp and -ftarget-help as aliases for the transformed --help
1965 and --target-help options.
1966 * opt-functions.awk: Add code to handle Warning and Optimization
1967 attributes.
1969 2007-02-12 Richard Henderson <rth@redhat.com>
1971 * config/alpha/constraints.md: New file.
1972 * config/alpha/alpha.c: Include tm-constrs.h.
1973 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
1974 alpha_extra_constraint): Remove.
1975 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
1976 * config/alpha/alpha-protos.h: Update.
1977 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
1978 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
1979 (EXTRA_CONSTRAINT): Remove.
1980 * config/alpha/alpha.md: Include constraints.md.
1981 (adddi splitter): Use satisfies_constraint_*.
1982 * config/alpha/predicates.md (add_operand): Likewise.
1983 (sext_add_operand, addition_operation): Likewise.
1985 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
1987 PR tree-optimization/29145
1988 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
1989 in our handling of restrict qualified pointers.
1991 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1993 PR middle-end/7651
1994 * doc/invoke.texi (Wunused-value): Update description.
1995 (Wextra): Delete item.
1996 * opts.c (set_Wextra): Don't use the value of Wextra to set the
1997 value of Wunused-value.
1998 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
1999 (c_finish_stmt_expr): Don't check extra_warnings.
2000 (emit_side_effect_warnings): The caller is responsible to check
2001 warn_unused_value.
2003 2007-02-11 Roger Sayle <roger@eyesopen.com>
2004 Matt Thomas <matt@3am-software.com>
2006 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
2008 2007-02-11 Roger Sayle <roger@eyesopen.com>
2010 * simplify-rtx.c (simplify_relational_operation_1): Optimize
2011 comparisons of POPCOUNT against zero.
2012 (simplify_const_relational_operation): Likewise.
2014 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2016 * doc/invoke.texi (Wextra): Delete outdated paragraph.
2018 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2020 * dwarf2out.c (root_type): Delete unused function.
2022 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2024 * genattrtab.c (contained_in_p): Delete unused function.
2025 (write_expr_attr_cache): Likewise.
2027 2007-02-11 Jan Hubicka <jh@suse.cz>
2029 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
2030 previous patch.
2032 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
2034 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
2035 to add the REG_EQ* note.
2036 * see.c (see_merge_one_use_extension): Likewise.
2037 * local-alloc.c (update_equiv_regs): Likewise. Also don't
2038 turn REG_EQUAL notes into REG_EQUIV notes if the target
2039 register may have more than one set.
2040 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
2041 * gcse.c (try_replace_reg): Likewise.
2042 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
2043 * calls.c (fixup_tail_calls): Likewise. Abort if there is
2044 more than one REG_EQUIV note.
2045 * reload1.c (gen_reload): Use set_unique_reg_note.
2047 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
2049 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
2050 (ix86_builtin_conversion): New function.
2052 2007-02-06 Mark Mitchell <mark@codesourcery.com>
2054 PR target/29487
2055 * tree.h (DECL_REPLACEABLE_P): New macro.
2056 * except.c (set_nothrow_function_flags): Likewise.
2058 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
2059 Ira Rosen <irar@il.ibm.com>
2060 Dorit Nuzman <dorit@il.ibm.com>
2062 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
2063 * targhooks.c (default_builtin_vectorized_conversion): New.
2064 * targhooks.h (default_builtin_vectorized_function): New declaration.
2065 * target.h (struct vectorize): Add builtin_conversion field.
2066 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
2067 stmt_vec_info_type value.
2068 (vectorizable_conversion): New declaration.
2069 * tree-vect-analyze.c (vect_analyze_operations): Add
2070 vectorizable_conversion call.
2071 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
2072 * tree-vect-transform.c (vectorizable_conversion): New function.
2073 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
2074 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2075 mode.
2076 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
2077 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
2078 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
2079 or ALTIVEC_BUILTIN_VCFSX.
2081 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2083 PR target/30634
2084 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
2085 CONST_DOUBLE and operand 0 is a hard register.
2086 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
2087 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
2088 is a hard floating-point register.
2090 2007-02-10 Richard Henderson <rth@redhat.com>
2091 Jakub Jelinek <jakub@redhat.com>
2092 Alexandre Oliva <aoliva@redhat.com>
2094 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
2095 * builtin-types.def (BT_WORD): Make unsigned.
2096 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2097 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2098 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2099 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2100 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2101 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2102 emulated tls.
2103 * expr.c (emutls_var_address): New.
2104 (expand_expr_real_1): Expand emulated tls.
2105 (expand_expr_addr_expr_1): Likewise.
2106 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2107 * output.h (emutls_finish): Declare.
2108 * toplev.c (compile_file): Call it.
2109 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2110 address before wrapping in CONST.
2111 * varasm.c (emutls_htab, emutls_object_type): New.
2112 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2113 (get_emutls_object_name, get_emutls_object_type): New.
2114 (get_emutls_init_templ_addr, emutls_decl): New.
2115 (emutls_common_1, emutls_finish): New.
2116 (assemble_variable): When emulating tls, swap decls; generate
2117 constructor for the emutls objects.
2118 (do_assemble_alias): When emulating tls, swap decl and target name.
2119 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2120 for emulated tls.
2121 * varpool.c (decide_is_variable_needed): Look at force_output.
2122 Recurse for emulated tls.
2123 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
2124 with decide_is_variable_needed.
2125 * emutls.c: New file.
2126 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2127 tls_object for real tls.
2129 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
2131 PR rtl-optimization/29599
2132 * reload1.c (eliminate_regs_in_insn): Take the destination
2133 mode into account when computing the offset.
2135 2007-02-09 Stuart Hastings <stuart@apple.com>
2136 Richard Henderson <rth@redhat.com>
2138 * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2139 * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2140 * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
2141 fixuns_truncdfhi2): New.
2142 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
2143 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
2144 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
2145 (floatunssidf2): Allow nonimmediate source.
2146 * gcc/config/i386/sse.md (movdi_to_sse): New.
2147 (vec_concatv2di): Drop '*'.
2148 * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
2149 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2150 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
2151 New.
2152 * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
2153 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2154 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
2155 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
2156 (ix86_build_signbit_mask): Fix decl of v, refactor to call
2157 ix86_build_const_vector.
2158 (x86_emit_floatuns): Rewrite.
2160 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2162 * genautomata.c (longest_path_length): Delete unused function.
2163 (struct state): Delete unused longest_path_length.
2164 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
2165 (get_free_state): Delete unused.
2167 2007-02-09 Jan Hubicka <jh@suse.cz>
2169 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
2170 * doc/invoke.texi (inline-unit-growth): Update default value.
2172 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
2173 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
2174 (rebuild_cgraph_edges): Likewise.
2175 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
2176 (dump_cgraph_node): Dump frequencies.
2177 (cgraph_clone_edge): Add frequency scales.
2178 (cgraph_clone_node): Add freuqnecy.
2179 * cgraph.h (cgraph_edge): Add freuqnecy argument.
2180 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
2181 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
2182 * tree-pass.h (TODO_rebuild_frequencies): New constant.
2183 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
2184 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
2185 (save_inline_function_body): Likewise.
2186 * ipa-inline.c: inluce rtl.h
2187 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
2188 (cgraph_edge_badness): Use frequencies.
2189 (cgraph_decide_recursive_inlining): Update clonning.
2190 (cgraph_decide_inlining_of_small_function): Dump frequency.
2191 * predict.c (estimate_bb_frequencies): Export.
2192 * predict.h (estimate_bb_frequencies): Declare.
2193 * tree-inline.c (copy_bb): Watch overflows.
2194 (expand_call_inline): Update call of cgraph_create_edge.
2195 (optimize_inline_calls): Use TODO flags to update frequnecies.
2196 * passes.h: Include predict.h
2197 (init_optimization_passes): Move profile ahead.
2198 (execute_function_todo): Handle TODO_rebuild_frequencies.
2200 2007-02-09 Roger Sayle <roger@eyesopen.com>
2202 * config/alpha/alpha.c (emit_insxl): Force the first operand of
2203 the insbl or inswl pattern into a register.
2205 2007-02-09 Roger Sayle <roger@eyesopen.com>
2207 * config/ia64/ia64.md (bswapdi2): New define_insn.
2209 2007-02-09 Richard Henderson <rth@redhat.com>
2211 * config/i386/constraints.md (Ym): New constraint.
2212 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
2213 (movdi_1_rex64): Split sse and xmm general register moves from
2214 memory move alternatives. Use conditional register constraints.
2215 (movsf_1, movdf_integer): Likewise.
2216 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
2217 (movdf_integer_rex64): New.
2218 (pushsf_rex64): Fix output constraints.
2219 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
2220 (sse2_stored): Likewise.
2221 (sse2_storeq_rex64): New.
2222 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
2223 amd and not generic.
2224 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
2225 for optimize_size. Remove SF/DFmode hack.
2227 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
2229 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
2230 (bit_SSE4a): New.
2232 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
2233 Richard Sandiford <richard@codesourcery.com>
2235 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
2236 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
2237 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
2238 m68k/t-mlib to tmake_file.
2239 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
2240 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
2241 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
2242 Allow it to be cf or m68k. Set m68k_arch_family. If that
2243 variable is not empty, add t-$m68k_arch_family to tmake_file.
2244 Add t-mlibs to tmake_file.
2245 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
2246 * config/m68k/t-cf: New file.
2247 * config/m68k/t-m68k: Likewise.
2248 * config/m68k/t-mlibs: Likewise.
2249 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2250 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2251 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2252 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2253 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
2254 Delete.
2255 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
2256 (INSTALL_LIBGCC): Delete.
2257 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2258 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2259 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2260 (M68K_MLIB_CPU): Define.
2261 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2262 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2263 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
2265 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2266 Richard Guenther <rguenther@suse.de>
2268 PR middle-end/23361
2269 * fold-const.c (fold_comparison): Handle obfuscated comparisons
2270 against INT_MIN/INT_MAX.
2271 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
2272 file if a loop is removed.
2274 2007-02-09 Joseph Myers <joseph@codesourcery.com>
2276 * calls.c (store_one_arg): Pass correct alignment to
2277 emit_push_insn for non-BLKmode values.
2278 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
2279 unaligned stack slot via a suitably aligned slot.
2281 2007-02-08 DJ Delorie <dj@redhat.com>
2283 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
2284 warnings.
2285 (legal_subregs): Use unsigned char, make const.
2286 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
2288 2007-02-08 Paul Brook <paul@codesourcery.com>
2290 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
2291 special interworking needed.
2293 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
2295 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
2296 conditional to __SSE2__.
2297 (Entries below should have been added to first ChangeLog
2298 entry for amdfam10 dated 2007-02-05)
2299 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
2300 defined.
2301 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
2302 defined.
2303 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
2304 defined.
2306 2007-02-08 DJ Delorie <dj@redhat.com>
2308 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
2309 * config/m32c/m32c.c (legal_subregs): New.
2310 (m32c_illegal_subreg_p): New.
2311 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2312 unsupported subregs of hard regs.
2314 2007-02-08 Jan Hubicka <jh@suse.cz>
2316 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2317 the same one; always update histograms.
2319 2007-02-08 Diego Novillo <dnovillo@redhat.com>
2321 * passes.c (init_optimization_passes): Tidy comment.
2323 2007-02-08 Roger Sayle <roger@eyesopen.com>
2325 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2326 strip zero_extend, bswap and rotates from POCOUNT's argument.
2327 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2328 zero_extend and rotates from PARITY's argument.
2329 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2330 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2331 of an integer constant at compile-time.
2333 2007-02-08 Diego Novillo <dnovillo@redhat.com>
2335 PR 30562
2336 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2337 Update all users.
2338 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
2339 users.
2340 (init_alias_info):
2341 * tree-ssa-live.c (remove_unused_locals): Do not remove
2342 TREE_ADDRESSABLE variables.
2343 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2344 * tree-ssa-operands.c (add_virtual_operand): Remove argument
2345 FOR_CLOBBER. Update all users.
2346 If VAR has an associated alias set, add a virtual operand for
2347 it if no alias is found to conflict with the memory reference.
2349 2007-02-07 Jan Hubicka <jh@suse.cz>
2350 Robert Kidd <rkidd@crhc.uiuc.edu>
2352 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2354 2007-02-07 Ian Lance Taylor <iant@google.com>
2356 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2358 2007-02-07 Roger Sayle <roger@eyesopen.com>
2360 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2361 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2362 tablejumpdi, movsi_to_cr_one): Remove constraints from
2363 define_expand's match_operands.
2365 2007-02-07 Roger Sayle <roger@eyesopen.com>
2367 * global.c (compute_regsets): Move declatation of "i" inside of
2368 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2370 2007-02-07 Jakub Jelinek <jakub@redhat.com>
2372 PR c++/30703
2373 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2374 of INDIRECT_REF <RESULT_DECL>.
2376 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2378 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
2379 Kaz Kojima <kkojima@gcc.gnu.org>
2381 PR target/29746
2382 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2383 properly.
2384 (sh_initialize_trampoline): Add parentheses to avoid a warning.
2386 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2388 * doc/loop.texi: Document possibility not to perform disambiguation
2389 of loops with multiple latches.
2390 * cfgloopmanip.c (alp_enum_p): Removed.
2391 (add_loop): Handle subloops. Use get_loop_body_with_size.
2392 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2393 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2394 the new forwarder block.
2395 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2396 Handle the case latch is NULL.
2397 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2398 when marking loop exits.
2399 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
2400 be modified.
2401 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
2402 disambiguate_loops_with_multiple_latches.
2403 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2404 before fix_loop_structure.
2405 * cfgloop.c: Include pointer-set.h and output.h.
2406 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2407 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2408 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2409 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2410 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2411 disambiguate_multiple_latches, get_loop_body_with_size,
2412 disambiguate_loops_with_multiple_latches): New functions.
2413 (flow_loop_dump): Dump multiple latch edges.
2414 (flow_loop_nodes_find): Handle loops with multiple latches.
2415 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2416 (glb_enum_p): Modified.
2417 (get_loop_body): Use get_loop_body_with_size.
2418 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2419 (AVOID_CFG_MODIFICATIONS): New constant.
2420 (disambiguate_loops_with_multiple_latches, add_loop,
2421 get_loop_body_with_size): Declare.
2422 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2424 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
2426 PR inline-asm/28686
2427 * global.c (compute_regsets): New function.
2428 (global_alloc): Refactored ELIMINABLE_REGSET
2429 and NO_GLOBAL_ALLOC_REGS computation out.
2430 (rest_of_handle_global_alloc): Call compute_regsets()
2431 for non-optimizing case.
2433 2007-02-06 Richard Henderson <rth@redhat.com>
2435 * config/i386/constraints.md (Y2): Rename from Y.
2436 (Yi): New constraint.
2437 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2438 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2439 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2440 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2441 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2442 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2443 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2444 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2445 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2446 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2447 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2448 vec_extractv2si_1): Change Y constraints to Y2.
2449 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2450 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2451 Change Y constraints to Y2.
2452 (sse2_loadld): Change Y constraints to x.
2454 2007-02-06 Roger Sayle <roger@eyesopen.com>
2456 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2457 (parity<mode>2): New define_expand using rs6000_emit_parity.
2458 * config/rs6000/rs6000.c (rs6000_emit_popcount,
2459 rs6000_emit_parity): New functions.
2460 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2461 rs6000_emit_parity): Prototype here.
2463 2007-02-06 Ian Lance Taylor <iant@google.com>
2465 * lower-subreg.c (simple_move_operand): Reject CONST.
2466 (resolve_clobber): Call validate_change rather than directly
2467 assigning to XEXP (pat, 0).
2469 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
2471 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2472 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2473 (tree-cfg.o): Remove hashtab.h dependency.
2475 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2476 (struct ivopts_data): Change niters to pointer_map_t.
2477 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2478 (niter_for_exit): Create pointer_map on demand. Change for
2479 pointer_map API.
2480 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2481 (free_loop_data): Destroy data->niters if created and reset field.
2482 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2483 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2485 * tree-ssa-reassoc.c: Include pointer-set.h.
2486 (bb_rank): Change to long *.
2487 (operand_rank): Change to pointer_map_t.
2488 (find_operand_rank): Return long, -1 if not found. Declare as inline.
2489 (insert_operand_rank): Accept long.
2490 (operand_entry_hash, operand_entry_eq): Remove.
2491 (get_rank): Return long. Adjust for changes above.
2492 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
2493 and operand_rank.
2494 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2496 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2497 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2498 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
2499 is not NULL.
2500 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
2501 directly since it cannot be NULL.
2502 (get_vi_for_tree): Rewrite for pointer_map API.
2503 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2504 (init_alias_vars): Create vi_for_tree as pointer_map.
2505 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2507 * tree-cfg.c: Don't include hashtab.h.
2508 (edge_to_cases): Declare as pointer_map.
2509 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2510 Delete.
2511 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2512 (start_recording_case_labels): Create edge_to_cases as pointer_map.
2513 (end_recoding_case_labels): Cleanup edge_to_cases manually before
2514 destroying it.
2515 (record_switch_edge): Delete.
2516 (get_cases_for_edge): Adjust for pointer_map API, inline
2517 record_switch_edge (rewritten for new API), remove goto.
2519 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
2521 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2522 * tree-nested.c: Include pointer-set.h.
2523 (var_map_elt, var_map_eq, var_map_hash): Delete.
2524 (struct nesting_info): Remove GTY marker. Change the two htab_t's
2525 to pointer_map_t's.
2526 (nesting_info_bitmap_obstack): New.
2527 (lookup_field_for_decl): Adjust for pointer_map API.
2528 (lookup_tramp_for_decl): Adjust for pointer_map API.
2529 (get_nonlocal_debug_decl): Adjust for pointer_map API.
2530 (get_local_debug_decl): Adjust for pointer_map API.
2531 (convert_nl_goto_reference): Adjust for pointer_map API.
2532 (convert_nl_goto_receiver): Adjust for pointer_map API.
2533 (create_nesting_tree): Create outside GGC space. Create bitmap on
2534 the new obstack. Create field_map and var_map as pointer_maps.
2535 (free_nesting_tree): Adjust for changes to create_nesting_tree.
2536 (root): Delete.
2537 (lower_nested_functions): Move root here, no need to NULL it.
2538 Initialize and release the obstack.
2540 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
2542 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2543 Remove prototypes and make them non-static.
2544 (struct tree_int_map): Remove.
2545 * tree.h (struct tree_int_map): Move here, turning TO into an
2546 unsigned int.
2547 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2549 * tree.h (TREE_COMPLEXITY): Remove.
2550 (struct tree_exp): Remove complexity field.
2551 * tree.c (build1_stat): Don't set it.
2553 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
2554 Victor Kaplansky <victork@il.ibm.com>
2556 * tree-vectorizer.c (vect_is_simple_use): Support induction.
2557 (vect_is_simple_reduction): Support reduction with induction as
2558 one of the operands.
2559 (vect_is_simple_iv_evolution): Fix formatting.
2560 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2561 formatting. Don't mark induction phis for vectorization.
2562 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2563 * tree-vect-transform.c (get_initial_def_for_induction): New function.
2564 (vect_get_vec_def_for_operand): Support induction.
2565 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2566 induction case.
2567 (vectorizable_reduction): Support reduction with induction as one of
2568 the operands.
2569 (vectorizable_type_demotion): Use def-type of stmt argument rather
2570 than dummy def-type.
2572 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2573 flag_tree_scev_cprop.
2574 * common.opt (tree-scev-cprop): New flag.
2576 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2577 call to vect_get_new_vect_var.
2579 2007-02-06 Ira Rosen <irar@il.ibm.com>
2581 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2582 vectype is not NULL.
2583 (vect_pattern_recog_1): Likewise.
2585 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2587 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2588 (fold_negate_expr): Likewise.
2590 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
2592 PR debug/30189
2593 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2594 even if cv-qualification is the same.
2596 2007-02-05 Geoffrey Keating <geoffk@apple.com>
2598 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2599 __enable_execute_stack on completion.
2601 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2603 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2604 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2605 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2606 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2607 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2608 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2609 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2610 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2612 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2614 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2615 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2616 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2617 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2618 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2619 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2620 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2621 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2622 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2623 umuldi3_highpart_rex64, umulsi3_highpart_insn,
2624 umulsi3_highpart_zext, smuldi3_highpart_rex64,
2625 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2626 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2627 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2628 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2629 sqrtextenddfxf2_i387): Added amdfam10_decode.
2631 * config/i386/athlon.md (athlon_idirect_amdfam10,
2632 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2633 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2634 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2635 athlon_ivector_store_amdfam10): New define_insn_reservation.
2636 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2637 amdfam10.
2639 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2641 * config/i386/athlon.md (athlon_call_amdfam10,
2642 athlon_pop_amdfam10, athlon_lea_amdfam10): New
2643 define_insn_reservation.
2644 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2645 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2646 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2648 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2650 * config/i386/athlon.md (athlon_sseld_amdfam10,
2651 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2652 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2654 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2656 * config/i386/athlon.md (athlon_sseins_amdfam10): New
2657 define_insn_reservation.
2658 * config/i386/i386.md (sseins): Added sseins to define_attr type
2659 and define_attr unit.
2660 * config/i386/sse.md: Set type attribute to sseins for insertq
2661 and insertqi.
2663 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2665 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2666 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2667 ssecomi_load_amdfam10, ssecomi_amdfam10,
2668 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2669 define_insn_reservation.
2670 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2672 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2674 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2675 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2676 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2677 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2678 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2679 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2680 define_insn_reservation.
2682 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2683 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2684 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2685 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2686 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2688 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2690 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2691 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2692 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2693 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2694 athlon_ssemul_load_k8): Added amdfam10.
2696 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2698 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2699 (x86_sse_unaligned_move_optimal): New variable.
2701 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2702 m_AMDFAM10.
2703 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2704 for unaligned vector SSE double/single precision loads for AMDFAM10.
2706 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2708 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2709 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2710 Define TARGET_CPU_DEFAULT_amdfam10.
2711 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2712 (processor_type): Add PROCESSOR_AMDFAM10.
2714 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2715 processor_type in config/i386/i386.h.
2716 Enable imul peepholes for TARGET_AMDFAM10.
2718 * config.gcc: Add support for --with-cpu option for amdfam10.
2720 * config/i386/i386.c (amdfam10_cost): New variable.
2721 (m_AMDFAM10): New macro.
2722 (m_ATHLON_K8_AMDFAM10): New macro.
2723 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2724 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2725 x86_promote_QImode, x86_integer_DFmode_moves,
2726 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2727 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2728 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2729 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2730 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2731 Enable/disable for amdfam10.
2732 (override_options): Add amdfam10_cost to processor_target_table.
2733 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2734 processor_alias_table.
2735 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2736 (ix86_adjust_cost): Add code for amdfam10.
2738 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2740 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2741 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2742 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2743 * config/i386/i386.h: Add builtin definition for SSE4A.
2744 * config/i386/i386.md: Add support for ABM instructions
2745 (popcnt and lzcnt).
2746 * config/i386/sse.md: Add support for SSE4A instructions
2747 (movntss, movntsd, extrq, insertq).
2748 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2749 Add -march=amdfam10 flag.
2750 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2751 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2752 and amdfam10.
2753 * doc/extend.texi: Add documentation for SSE4A builtins.
2755 2007-02-05 Bob Wilson <bob.wilson@acm.org>
2757 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2759 2007-02-05 Richard Guenther <rguenther@suse.de>
2761 * tree-vectorizer.h (vectorizable_function): Add argument type
2762 argument, change return type.
2763 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2764 * tree-vect-transform.c (vectorizable_function): Handle extra
2765 argument, return vectorized function decl.
2766 (build_vectorized_function_call): Remove.
2767 (vectorizable_call): Handle calls with result and argument types
2768 differing. Handle loop vectorization factor correctly.
2769 * targhooks.c (default_builtin_vectorized_function): Adjust for
2770 extra argument.
2771 * targhooks.h (default_builtin_vectorized_function): Likewise.
2772 * target.h (builtin_vectorized_function): Add argument type
2773 argument.
2774 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2775 extra argument, allow vectorizing of lrintf.
2776 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2777 documentation of target hook.
2779 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
2781 PR target/30665
2782 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2783 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2784 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2786 2007-02-05 Roger Sayle <roger@eyesopen.com>
2788 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2789 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2790 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2791 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2792 before canonicalizing sincos to cexpi.
2793 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2795 2007-02-05 Roger Sayle <roger@eyesopen.com>
2797 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2798 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2799 (alpha_init_builtins): Use alpha_add_builtins to process tables.
2801 2007-02-05 Roger Sayle <roger@eyesopen.com>
2803 * mips-tfile.c (initialize_init_file): Correct endianness test.
2805 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
2807 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2808 the 'y' constraint.
2810 2007-02-05 Richard Sandiford <richard@codesourcery.com>
2812 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2813 saves in a PARALLEL before the register assignments.
2815 2007-02-05 Richard Sandiford <richard@codesourcery.com>
2817 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2818 DWARF_FRAME_RETURN_COLUMN to be a general register.
2819 * dwarf2out.c (init_return_column_size): New function, split from...
2820 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
2821 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2822 to be nongeneral registers.
2823 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2824 integer registers.
2825 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2826 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2828 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2830 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2832 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2834 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2835 (remove_path): Use can_remove_branch_p and remove_branch instead
2836 of loop_delete_branch_edge.
2837 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2838 (tree_transform_and_unroll_loop): Remove dead branches immediately.
2839 Update profile using scale_dominated_blocks_in_loop.
2840 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2841 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2842 (can_remove_branch_p, remove_branch): Declare.
2843 * tree-cfg.c (tree_can_remove_branch_p): New function.
2844 (tree_cfg_hooks): Add tree_can_remove_branch_p.
2845 * cfgrtl.c (rtl_can_remove_branch_p): New function.
2846 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2848 2007-02-05 Jan Hubicka <jh@suse.cz>
2850 PR middle-end/30696
2851 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2852 nodes in cgraph, don't remove offline copy of the function.
2854 2007-02-04 Jan Hubicka <jh@suse.cz>
2856 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2857 vectors might cause maybe_lookup_element_for_expr to be called
2858 on non-sra-candidate.
2860 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
2862 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2863 config/bfin/bfin.md, config/bfin/predicates.md: Follow
2864 spelling conventions.
2866 2007-02-04 Richard Guenther <rguenther@suse.de>
2868 PR middle-end/30636
2869 * fold-const.c (try_move_mult_to_index): Make sure to not
2870 overflow one dimension of a multi-dimensional array access.
2872 2007-02-04 Jan Hubicka <jh@suse.cz>
2874 * passes.c (init_optimization_passes): Reindent.
2876 2007-02-04 Jan Hubicka <jh@suse.cz>
2877 Eric Botcazou <ebotcazou@adacore.com>
2879 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2880 (execute_fixup_cfg): Break out the abnormal goto code.
2881 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2882 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2883 (optimize_inline_calls): Call make_nonlocal_label_edges.
2885 2007-02-04 Jan Hubicka <jh@suse.cz>
2887 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2888 true when something was changed.
2889 (rename_ssa_copies): When something was changed, do
2890 TODO_remove_unused_locals.
2891 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2892 add TODO_remove_unused_locals when instruction was removed.
2894 2007-02-04 Jan Hubicka <jh@suse.cz>
2896 * ipa-inline.c (try_inline): Improve debug output; work on already
2897 inline edges too.
2898 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2899 call try_inline for already inlined edges too when flattening;
2900 inline also functions that make callee growth but overall unit size
2901 reduce.
2903 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
2905 * config/m32c/bitops.md, config/m32c/jump.md,
2906 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2907 config/m32r/m32r.h, config/m32r/m32r.md,
2908 config/m32r/predicates.md, config/m68hc11/larith.asm,
2909 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2910 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2911 config/mips/mips-protos.h, config/mips/mips.c,
2912 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2913 config/mn10300/mn10300.h, config/mn10300/predicates.md,
2914 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2915 spelling conventions.
2917 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2918 Follow spelling conventions.
2920 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
2922 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2923 warn about C++0x compatibility.
2925 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
2927 * config/h8300/h8300.c, config/h8300/h8300.h,
2928 config/h8300/h8300.md: Follow spelling conventions.
2930 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
2932 PR middle-end/30667
2933 * combine.c (try_combine): Do not substitute source operand
2934 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2936 2007-02-03 Jan Hubicka <jh@suse.cz>
2938 PR gcov-profile/30650
2939 * value-prof.c (stringop_block_profile): Fix handling of size counter;
2940 do not divide by zero for never executed counters.
2941 (tree_find_values_to_profile): Fix counters.
2942 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2944 2007-02-03 Ian Lance Taylor <iant@google.com>
2946 * lower-subreg.c (simple_move_operand): New static function,
2947 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
2948 operands.
2949 (simple_move): Call simple_move_operand.
2950 (find_decomposable_subregs): Add special handling of MEMs.
2951 (can_decompose_p): Rename from cannot_decompose_p. Reverse
2952 meaning of return value. If we see a hard register, test whether
2953 it can store a word_mode value. Change all callers.
2955 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2957 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2958 ftrapv insns and expanders.
2959 (subdi3): Change define_expand operand 1 to arith11_operand, and
2960 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
2961 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
2962 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2963 respectively.
2965 PR middle-end/30174
2966 * varasm.c (notice_global_symbol): Treat global objects as weak when
2967 flag_shlib is true.
2969 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2971 * emit-rtl.c (dconstpi): Delete.
2972 (dconstsqrt2): New.
2973 (init_emit_once): Delete dconstpi and init dconstsqrt2.
2974 * real.h (dconstpi): Delete.
2975 (dconstsqrt2): New.
2976 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
2977 (fold_builtin_hypot): Likewise.
2979 2007-02-03 Tom Tromey <tromey@redhat.com>
2981 PR driver/30246
2982 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
2983 -gcoff3, -gxcoff3, -gvms3 implies -dD.
2985 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
2987 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
2988 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
2989 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
2990 config/rs6000/cell.md, config/rs6000/darwin.h,
2991 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
2992 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
2993 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
2994 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
2995 typos. Follow spelling conventions.
2996 * doc/invoke.texi: Follow spelling conventions.
2998 2007-02-03 Roger Sayle <roger@eyesopen.com>
3000 * simplify-rtx.c (simplify_relational_operation_1): Implement some
3001 canonicalization transformations that attempt to simplify integer
3002 constant comparisons to become comparisons against zero.
3004 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3006 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
3007 fabs(x)*sqrt(2).
3008 * fold-const.c (fold_binary): Fix comment typos. Fold complex
3009 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
3011 2007-02-02 Mike Stump <mrs@apple.com>
3013 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
3014 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
3015 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
3016 generate a branch island.
3018 2007-02-02 Bob Wilson <bob.wilson@acm.org>
3020 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
3021 (xtensa_legitimate_address_p): New.
3022 (xtensa_legitimize_address): New.
3023 (xtensa_output_addr_const_extra): New.
3024 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
3025 (BASE_REG_P): New.
3026 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
3027 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
3028 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
3029 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
3030 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
3031 (xtensa_legitimize_address): New.
3032 (xtensa_output_addr_const_extra): New.
3034 2007-02-02 Steve Ellcey <sje@cup.hp.com>
3036 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
3038 2007-02-02 Ian Lance Taylor <iant@google.com>
3040 * expmed.c (expand_divmod): Add comment.
3042 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
3044 * emit-rtl.c (renumber_insns): Remove.
3045 * flags.h: Remove the extern for flag_renumber_insns.
3046 * rtl.h: Remove the prototype for renumber_insns.
3047 * toplev.c (flag_renumber_insns): Remove.
3049 2007-02-02 Hui-May Chang <hm.chang@apple.com>
3051 Revert for x86 darwin:
3052 2005-06-19 Uros Bizjak <uros@kss-loka.si>
3054 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
3055 code before the following patch under TARGET_MACHO.
3056 (ix86_function_value_regno_p): Likewise.
3058 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3060 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
3061 COMPLEX_EXPR.
3063 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3065 PR target/29682
3066 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
3067 general or fp registers. Add comments.
3068 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
3070 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
3072 * pointer-set.c (insert_aux): Only return insertion slot.
3073 (pointer_set_insert): Adjust.
3074 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
3075 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
3076 pointer_map_traverse): New.
3077 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
3078 pointer_map_create, pointer_map_destroy, pointer_map_insert,
3079 pointer_map_contains, pointer_map_traverse): Declare.
3081 2007-02-02 Jakub Jelinek <jakub@redhat.com>
3083 PR middle-end/30473
3084 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
3085 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
3087 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3089 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
3091 (struct _dep): New type.
3092 (dep_t): New typedef.
3093 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
3094 (DEP_STATUS): New access macro. The macro with the same name was
3095 renamed to DEP_LINK_STATUS.
3096 (dep_init): Declare function
3098 (struct _dep_link): New type.
3099 (dep_link_t): New typedef.
3100 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
3101 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
3102 (DEP_LINK_STATUS): New macro.
3103 (debug_dep_links): New debug function.
3105 (struct _deps_list): New type.
3106 (deps_list_t): New typedef.
3107 (DEPS_LIST_FIRST): New access macro.
3108 (FOR_EACH_DEP_LINK): New cycle macro.
3109 (create_deps_list, free_deps_list, delete_deps_list): Declare
3110 functions.
3111 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
3112 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
3113 (copy_deps_list_change_con): Ditto.
3115 (move_dep_link): Declare function.
3117 (struct _dep_node): New type.
3118 (dep_node_t): New typedef.
3119 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
3121 (struct haifa_insn_data.back_deps): New field to hold backward
3122 dependencies of the insn.
3123 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
3124 to deps_list_t.
3125 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
3126 Change its type to deps_list_t.
3127 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
3128 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
3129 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
3131 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
3133 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
3135 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
3136 all callers.
3137 (dep_cost): Declare.
3139 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
3140 (ds_to_dk, dk_to_ds): New functions.
3142 (init_dep_1): New static function.
3143 (init_dep): New function.
3144 (copy_dep): New static function.
3146 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
3147 functions.
3148 (detach_dep_link): New static function.
3149 (move_dep_link): New function.
3151 (dep_links_consistent_p, dump_dep_links): New static functions.
3152 (debug_dep_links): New debugging function.
3154 (deps_obstack, dl_obstack, dn_obstack): New static variables.
3156 (alloc_deps_list, init_deps_list): New static functions.
3157 (create_deps_list): New function.
3158 (clear_deps_list): New static function.
3159 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
3160 (deps_list_consistent_p, dump_deps_list): New static functions.
3161 (debug_deps_list): New function.
3162 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
3163 functions.
3164 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
3166 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
3167 use new scheduler dependencies lists.
3168 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
3169 (sched_analyze): Ditto. Initialize dependencies lists.
3170 (add_forw_dep, compute_forward_dependences): Update to use new
3171 scheduler dependencies lists.
3173 (init_dependency_caches): Init deps_obstack.
3174 (free_dependency_caches): Free deps_obstack.
3176 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
3177 new scheduler dependencies lists.
3178 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
3179 (add_back_forw_dep, delete_back_forw_dep): Ditto.
3181 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
3182 Update to use new scheduler dependencies lists.
3183 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
3184 (debug_dependencies): Ditto.
3185 (schedule_region): Update comments.
3187 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
3188 scheduler dependencies lists.
3189 (schedule_ebb): Update comments.
3191 * rtl.def (DEPS_LIST): Remove.
3193 * lists.c (unused_deps_list): Remove.
3194 (free_list): Update assertions.
3196 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
3197 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3199 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
3200 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3202 * haifa-sched.c (comments): Update.
3203 (insn_cost1): Remove. Inline the code into insn_cost ().
3204 (insn_cost): Update to use new scheduler dependencies lists. Move
3205 processing of the dependency cost to dep_cost ().
3206 (dep_cost): New function. Use it instead of insn_cost () when
3207 evaluating cost of the dependency. Use compatible interface to
3208 interact with the target.
3209 (priority): Update to use new scheduler dependencies lists.
3210 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
3211 with greater number of insns that depend on the insn.
3212 (schedule_insn): Update to use new scheduler dependencies lists. Add
3213 code to free backward dependencies lists. Inline and optimize code
3214 from resolve_dep () - see PR28071.
3215 (ok_for_early_queue_removal): Update to use new scheduler dependencies
3216 lists. Update call to targetm.sched.is_costly_dependence hook.
3218 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
3219 scheduler dependencies lists.
3221 (resolve_dep): Remove. Move the logic to schedule_insn ().
3222 (init_h_i_d): Initialize dependencies lists.
3224 (process_insn_depend_be_in_spec): Rename to
3225 process_insn_forw_deps_be_in_spec. Update to use new scheduler
3226 dependencies lists.
3227 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
3228 Update to use new scheduler dependencies lists.
3229 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
3231 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
3232 new scheduler dependencies lists.
3233 (build_intra_loop_deps): Ditto.
3235 * target.h (struct _dep): Declare to use in
3236 gcc_target.sched.is_costly_dependence.
3237 (struct gcc_target.sched.adjust_cost): Fix typo.
3238 (struct gcc_target.sched.is_costly_dependence): Change signature to use
3239 single dep_t parameter instead of an equivalent triad.
3240 (struct gcc_target.sched.adjust_cost_2): Remove.
3242 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
3244 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
3246 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
3247 documentation.
3248 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
3250 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
3251 (REG_DEP_TRUE): Document.
3253 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
3254 Change signature to correspond to the targetm.sched.adjust_cost hook.
3255 Update use in TARGET_SCHED_ADJUST_COST_2.
3256 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
3257 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
3258 new scheduler dependencies lists.
3259 (ia64_gen_check): Ditto.
3261 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
3262 dependencies lists.
3264 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
3265 signature to correspond to the targetm.sched.is_costly_dependence hook.
3266 (is_costly_group): Update to use new scheduler dependencies lists.
3268 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
3269 instead of INSN_COST () macro.
3271 2007-02-01 Ian Lance Taylor <iant@google.com>
3273 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
3275 2007-02-01 Guy Martin <gmsoft@gentoo.org>
3277 * pa.md (tp_load): Correct mfctl instruction syntax.
3279 2007-02-01 Geoffrey Keating <geoffk@apple.com>
3281 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
3282 altivec_padding_size calculation on AIX. Improve comment, add
3283 assert to verify that it's right.
3285 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
3286 64-bit.
3288 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
3290 PR inline-asm/28686
3291 * global.c (global_alloc): Add mising initialization of
3292 ELIMINABLE_REGSET.
3294 2007-02-01 Roger Sayle <roger@eyesopen.com>
3296 * alias.c (init_alias_analysis): Correct whitespace.
3297 * bb-reorder.c (fix_edges_for_rarely_executed_code,
3298 partition_hot_cold_basic_blocks): Likewise.
3299 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3300 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
3301 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3302 fold_builtin_snprintf_chk, fold_builtin_printf,
3303 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
3304 do_mpfr_arg3, do_mpfr_sincos): Likewise.
3305 * cfgcleanup.c (cleanup_cfg): Likewise.
3306 * cfgexpand.c (tree_expand_cfg): Likewise.
3307 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
3308 * function.c (get_next_funcdef_no): Likewise.
3309 * gengtype.c (main): Likewise.
3310 * genmodes.c (main): Likewise.
3311 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3312 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3313 * ifcvt.c (noce_emit_move_insn): Likewise.
3314 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
3315 Likewise.
3316 * stor-layout.c (get_best_mode): Likewise.
3317 * tree-ssa-loop-niter.c (get_val_for): Likewise.
3318 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3319 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3320 perform_var_substitution, solve_graph): Likewise.
3321 * tree-vrp.c (vrp_finalize): Likewise.
3323 2007-02-01 Ian Lance Taylor <iant@google.com>
3325 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3326 high part of a paradoxical subreg, return a constant zero.
3328 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
3330 * toplev.c (lang_dependent_init): Call init_set_costs.
3331 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3333 2007-02-01 Richard Guenther <rguenther@suse.de>
3335 PR middle-end/30656
3336 * fold-const.c (fold_negate_expr): Allow negating a
3337 constant if overflow does not change.
3339 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3341 * doc/c-tree.texi (Expression trees): Improve markup.
3342 * doc/tm.texi (Register Classes, Addressing Modes)
3343 (Floating Point): Fix spacing after abbreviations. Fix some
3344 typos.
3346 2007-02-01 Ben Elliston <bje@au.ibm.com>
3348 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3349 * doc/contrib.texi: Likewise.
3350 * doc/install.texi: Likewise.
3352 2007-01-31 Richard Henderson <rth@redhat.com>
3353 Ian Lance Taylor <iant@google.com>
3355 * lower-subreg.c: New file.
3356 * rtl.def (CONCATN): Define.
3357 * passes.c (init_optimization_passes): Add pass_lower_subreg and
3358 pass_lower_subreg2.
3359 * emit-rtl.c (update_reg_offset): New static function, broken out
3360 of gen_rtx_REG_offset.
3361 (gen_rtx_REG_offset): Call update_reg_offset.
3362 (gen_reg_rtx_offset): New function.
3363 * regclass.c: Revert patch of 2006-03-05, restoring
3364 reg_scan_update.
3365 (clear_reg_info_regno): New function.
3366 * dwarf2out.c (concatn_loc_descriptor): New static function.
3367 (loc_descriptor): Handle CONCATN.
3368 * common.opt (fsplit_wide_types): New option.
3369 * opts.c (decode_options): Set flag_split_wide_types when
3370 optimizing.
3371 * timevar.def (TV_LOWER_SUBREG): Define.
3372 * rtl.h (gen_reg_rtx_offset): Declare.
3373 (reg_scan_update): Declare.
3374 * regs.h (clear_reg_info_regno): Declare.
3375 * tree-pass.h (pass_lower_subreg): Declare.
3376 (pass_lower_subreg2): Declare.
3377 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3378 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
3379 -fsplit-wide-types.
3380 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3381 * Makefile.in (OBJS-common): Add lower-subreg.o.
3382 (lower-subreg.o): New target.
3384 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
3386 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3388 2007-01-31 Anatoly Sokolov <aesok@post.ru>
3390 PR target/19087
3391 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3393 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3395 PR middle-end/29335
3396 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3398 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
3400 * cfgloop.h: Include vec-prim.h.
3401 (enum li_flags): Remove LI_ONLY_OLD.
3402 (loop_iterator): Changed.
3403 (fel_next, fel_init): Iterate over loop tree.
3404 (FOR_EACH_LOOP_BREAK): New macro.
3405 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3406 FOR_EACH_LOOP.
3407 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3408 * modulo-sched.c (sms_schedule): Ditto.
3409 * tree-vectorizer.c (vectorize_loops): Ditto.
3410 * doc/loop.texi: Update information on loop numbering and behavior of
3411 FOR_EACH_LOOP wrto new loops.
3412 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3413 add_to_evolution_1): Test nestedness of loops instead of comparing
3414 their numbers.
3415 * tree-chrec.c (chrec_fold_plus_poly_poly,
3416 chrec_fold_multiply_poly_poly, chrec_evaluate,
3417 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3418 reset_evolution_in_loop): Ditto.
3419 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3421 2007-01-31 Dirk Mueller <dmueller@suse.de>
3423 * c-common.c (warn_about_parentheses): Separate warning about
3424 un-parenthized sequence of comparison operators from the one
3425 which is supposed to warn about x <= y <= z.
3427 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
3429 * optabs.h (enum optab_index): Add new OTI_isinf.
3430 (isinf_optab): Define corresponding macro.
3431 * optabs.c (init_optabs): Initialize isinf_optab.
3432 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3433 patterns.
3434 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3435 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3436 using isinf_optab.
3437 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3438 expand_builtin_interclass_mathfn.
3439 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3440 * config/i386/i386.md (UNSPEC_FXAM): New constant.
3441 (fxam<mode>2_i387): New insn pattern.
3442 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3443 built-in functions as x87 inline asm.
3445 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
3447 * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3449 2007-01-30 Eric Christopher <echristo@apple.com>
3451 * config.gcc: Add geode.
3453 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
3455 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3456 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3457 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3458 value-prof.c: Fix comment typos.
3460 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3462 PR c++/24745
3463 * doc/invoke.texi (Wpointer-arith): Document warning.
3465 2007-01-30 Janis Johnson <janis187@us.ibm.com>
3467 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3468 the list of discrepancies from the draft TR.
3470 2007-01-30 Dirk Mueller <dmueller@suse.de>
3472 PR c++/30601
3473 * doc/invoke.texi (-Wreturn-type): Update description to
3474 match new behavior.
3476 2007-01-30 Richard Sandiford <richard@codesourcery.com>
3478 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3480 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
3482 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3483 to handle optabs that operate on floating point input argument and
3484 output to integer output.
3485 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3486 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3487 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3488 expand_builtin_interclass_mathfn ().
3489 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3490 (ilogbsi2): Remove.
3491 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3492 ilogbl built-in functions as x87 intrinsics.
3494 2007-01-30 Richard Guenther <rguenther@suse.de>
3496 PR middle-end/27657
3497 * dwarf2out.c (reference_to_unused): Query varpool if the
3498 variable was output.
3500 2007-01-30 Richard Guenther <rguenther@suse.de>
3502 PR middle-end/30313
3503 * passes.c (execute_one_pass): Reset in_gimple_form to not
3504 confuse non-unit-at-a-time mode.
3506 2007-01-29 Roger Sayle <roger@eyesopen.com>
3507 Richard Guenther <rguenther@suse.de>
3509 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3510 avoid undefined behaviour on overflow. Use force_fit_type_double
3511 to construct the constant with the specified TREE_OVERFLOW.
3513 2007-01-29 Janis Johnson <janis187@us.ibm.com>
3515 * config/dfp-bit.c: Add parameterized support for fp exceptions.
3516 * config/dfp-bit.h: Ditto.
3518 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3520 * c-decl.c (pop_scope): Replace warnings with call to
3521 warn_for_unused_label.
3522 * c-common.h (warn_for_unused_label): Declare.
3523 * c-common.c (warn_for_unused_label): Define.
3525 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3527 * tree-optimize.c (update_inlined_to_pointers): Delete unused
3528 function.
3530 2007-01-29 Janis Johnson <janis187@us.ibm.com>
3532 * Makefile.in (USER_H): Remove decfloat.h.
3533 * ginclude/decfloat.h: Delete, moving contents to ...
3534 * ginclude/float.h: Add support for decimal floating point,
3535 guarded by __STDC_WANT_DEC_FP__.
3537 2007-01-29 Mike Stump <mrs@apple.com>
3539 * doc/gccint.texi (Top): Rename Loop Representation to Loop
3540 Analysis and Representation to resolve case insensitive conflict.
3541 * doc/loop.texi (Loop Analysis and Representation): Likewise.
3543 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
3545 * tree.h (struct tree_memory_tag): Add aliases member.
3546 (MTAG_ALIASES): New macro.
3547 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3548 (add_may_alias): Remove pointer-set. Update for may_aliases being
3549 a bitmap.
3550 (mark_aliases_call_clobbered): Update for may_aliases being a
3551 bitmap.
3552 (compute_tag_properties): Ditto.
3553 (create_partition_for): Ditto.
3554 (compute_memory_partitions): Ditto.
3555 (dump_may_aliases_for): Ditto.
3556 (is_aliased_with): Ditto.
3557 (add_may_alias_for_new_tag): Ditto.
3558 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3559 (compute_is_aliased): New function.
3560 (compute_may_aliases): Call compute_is_aliased).
3561 (init_alias_info): Initialize alias_bitmap_obstack.
3562 (union_alias_set_into): New function.
3563 (compute_flow_sensitive_aliasing): Use union_aliases_into.
3564 (have_common_aliases_p): Rewrite to take two bitmaps and use
3565 intersection.
3566 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3567 Update for bitmaps.
3568 (finalize_ref_all_pointers): Update for add_may_alias changes.
3569 (new_type_alias): Ditto.
3570 * tree-flow-inline.h (may_aliases): Return a bitmap.
3571 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3572 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3573 may_aliases being a bitmap.
3574 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3575 may_aliases now returns a bitmap.
3576 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3577 being a bitmap.
3578 * tree-ssa-operands.c (add_virtual_operand): Update for
3579 may_aliases being a bitmap.
3581 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
3583 PR tree-optimization/30630
3584 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3585 variable as changed.
3587 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
3589 PR c++/28266
3590 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3591 expanded only once even if an error occurs.
3593 2007-01-29 Ben Elliston <bje@au.ibm.com>
3595 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3596 (__gcov_average_profiler): Likewise.
3597 (__gcov_ior_profiler): Likewise.
3598 (__gcov_merge_ior): Likewise.
3600 2007-01-28 Jan Hubicka <jh@suse.cz>
3602 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3603 * value-prof.c (stringop_block_profile): Likewise.
3605 2007-01-28 Jan Hubicka <jh@suse.cz>
3607 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3608 variant handling histograms; add wrapper.
3609 (clear_storage_via_libcall): Export.
3610 (emit_block_move_hints): Break out from ...; add histograms.
3611 (emit_block_move): ... this one.
3612 (clear_storage_hints): Break out from ...; add histograms.
3613 (clear_storage): ... this one.
3614 (set_storage_via_memset): Handle histogram.
3615 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3616 (clear_storage_hints, clear_storage_via_libcall): Declare.
3617 (set_storage_via_setmem): Update prototype.
3618 * doc/md.texi (movmem, setmem): Document new arguments.
3620 * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3621 new histograms.
3622 (stringop_block_profile): New global function.
3623 (tree_stringops_values_to_profile): Profile block size and alignment.
3624 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3625 HIST_TYPE_IOR.
3626 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3627 (stringop_block_profile): Declare.
3628 * builtins.c: Include value-prof.h.
3629 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3630 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3631 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3632 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3633 * profile.c (instrument_values): Add new counters.
3634 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3635 calls.
3636 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3637 (tree_init_edge_profiler): Build new profilers.
3638 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3639 (pass_tree_profile): Add dump.
3640 (tree_profile_hooks): Update.
3641 * Makefile.in (LIBGCOV): Add new constants.
3642 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3643 __gcov_ior_profiler): New.
3644 * i386.md (movmem/setmem expanders): Add new optional arguments.
3646 2007-01-28 David Edelsohn <edelsohn@gnu.org>
3648 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3650 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
3652 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3653 (tree_unswitch_single_loop): Pass eni_size_weights to
3654 tree_num_loop_insns.
3655 * tree-ssa-loop-manip.c: Include tree-inline.h.
3656 (can_unroll_loop_p): Pass eni_size_weights to
3657 tree_num_loop_insns.
3658 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3659 Pass eni_size_weights to estimate_num_insns.
3660 * tree.h (init_inline_once): Export.
3661 * toplev.c (backend_init): Call init_inline_once.
3662 * cgraphunit.c (cgraph_process_new_functions,
3663 cgraph_analyze_function): Pass eni_inlining_weights to
3664 estimate_num_insns.
3665 * ipa-inline.c (compute_inline_parameters): Ditto.
3666 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3667 to estimate_num_insns.
3668 (try_unroll_loop_completely): Pass eni_size_weights to
3669 tree_num_loop_insns.
3670 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3671 ot estimate_num_insns.
3672 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3673 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3674 * tree-inline.c (eni_inlining_weights, eni_size_weights,
3675 eni_time_weights): New variables.
3676 (init_inline_once): Initialize them.
3677 (struct eni_data): Mew.
3678 (estimate_num_insns_1, estimate_num_insns): Use weights.
3679 * tree-inline.h (struct eni_weights_d): New.
3680 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3681 (estimate_num_insns): Declaration changed.
3682 * cfgloop.h (tree_num_loop_insns): Declaration changed.
3683 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3684 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3686 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
3688 * tree-data-ref.c (conflict_fn): Assert that the number of affine
3689 relations in the conflict function is valid.
3691 2007-01-27 Ian Lance Taylor <iant@google.com>
3693 * common.opt: Add fstrict-overflow.
3694 * opts.c (decode_options): Set flag_strict_overflow if -O2.
3695 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3696 (TYPE_OVERFLOW_UNDEFINED): Define.
3697 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
3698 Replace all uses.
3699 * tree.h (TYPE_TRAP_SIGNED): Don't define.
3700 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3701 (fold_negate_expr): Likewise.
3702 (make_range): Likewise.
3703 (extract_muldiv_1): Likewise.
3704 (maybe_canonicalize_comparison): Likewise.
3705 (fold_comparison): Likewise.
3706 (fold_binary): Likewise.
3707 (tree_expr_nonnegative_p): Likewise.
3708 (tree_expr_nonzero_p): Likewise.
3709 * tree-vrp.c (compare_values): Likewise.
3710 (extract_range_from_binary_expr): Likewise.
3711 (extract_range_from_unary_expr): Likewise.
3712 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3713 Likewise.
3714 (nowrap_type_p): Likewise.
3715 * tree-scalar-evolution.c (simple_iv): Likewise.
3716 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3717 (build_range_check): Likewise.
3718 (extract_muldiv_1): Likewise.
3719 (fold_comparison): Likewise.
3720 * tree-vrp.c (vrp_int_const_binop): Likewise.
3721 (extract_range_from_unary_expr): Likewise.
3722 * convert.c (convert_to_integer): Likewise.
3723 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3724 (fold_comparison): Likewise.
3725 (fold_binary): Likewise.
3726 * optabs.c (optab_for_tree_code): Likewise.
3727 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3728 * simplify-rtx.c (simplify_const_relational_operation): Check
3729 flag_strict_overflow and flag_trapv.
3730 (simplify_const_relational_operation): Likewise.
3731 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3732 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
3733 -fstrict-overflow.
3735 2007-01-27 Roger Sayle <roger@eyesopen.com>
3737 * tree.c (tree_fold_gcd): Delete.
3738 * tree.h (tree_fold_gcd): Remove prototype.
3739 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3740 test whether one constant integer is a multiple of another. Instead
3741 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3742 * fold-const.c (multiple_of_p): We've determined both TOP and
3743 BOTTOM are integer constants so we can call int_const_binop directly
3744 instead of the more generic const_binop.
3746 2007-01-27 Roger Sayle <roger@eyesopen.com>
3748 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3749 1*X check that the constant hasn't overflowed, to preserve the
3750 TREE_OVERFLOW bit.
3751 (round_up): Provide an efficient implementation when rouding-up an
3752 INTEGER_CST to a power-of-two.
3754 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3756 * doc/sourcebuild.texi: Add comma for clarity.
3757 * doc/extend.texi: Fix some typos.
3758 * doc/passes.texi: Likewise.
3759 * doc/cppinternals.texi: Likewise.
3760 * doc/c-tree.texi: Likewise.
3761 * doc/tree-ssa.texi: Likewise.
3762 * doc/install.texi: Likewise.
3764 2007-01-27 Jan Hubicka <jh@suse.cz>
3766 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3767 (pass_sra): Do not require alias information.
3768 * passes.c (init_optimization_passes): Add SRA
3770 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
3772 * tracer.c (rest_of_handle_tracer): We already cleaned
3773 up the CFG in tracer() so don't do it here again.
3774 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3775 cleanup_cfg here, either. And don't call renumber_insns.
3777 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3778 and BB_HEAD are in the insn stream here. Instead make sure
3779 that BB_INSN is valid on all insns. Also, do check here that
3780 there are no pending branch predictions...
3781 (rtl_verify_flow_info): ...instead of doing it here. Checks
3782 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3783 here.
3785 2007-01-26 Roger Sayle <roger@eyesopen.com>
3787 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3788 function to simplify/factorize operand order canonicalization.
3789 (ix86_fixup_binary_operands): Reorganize using the above function.
3790 (ix86_binary_operator_ok): Likewise.
3792 2007-01-27 Jakub Jelinek <jakub@redhat.com>
3794 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3795 file scope from optimize_attrs.
3796 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3797 up search.
3798 (optimize_attrs): Clear insn_code_values after freeing it.
3800 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
3802 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3803 a parts.base assignment.
3805 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
3807 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3808 (compute_subscript_distance, initialize_data_dependence_relation,
3809 finalize_ddr_dependent, analyze_ziv_subscript,
3810 analyze_siv_subscript_cst_affine,
3811 compute_overlap_steps_for_affine_univar,
3812 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3813 analyze_siv_subscript, analyze_miv_subscript,
3814 analyze_overlapping_iterations, subscript_dependence_tester_1,
3815 compute_self_dependence, free_dependence_relation): Work
3816 with affine_fn instead of chrecs.
3817 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3818 common_affine_function, affine_function_base,
3819 affine_function_constant_p, affine_fn_op, affine_fn_plus,
3820 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3821 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3822 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3823 (all_chrecs_equal_p): Removed.
3824 * tree-data-ref.h (affine_fn, conflict_function): New types.
3825 (struct subscript): Change type of conflicting_iterations_in_a
3826 and conflicting_iterations_in_b.
3828 2007-01-26 Steve Ellcey <sje@cup.hp.com>
3830 PR other/30182
3831 * config/pa/pa.h (TARGET_HPUX_11): New.
3832 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3833 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3835 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
3836 Richard Guenther <rguenther@suse.de>
3838 * tree-ssa-structalias.c (solve_graph): Handle case
3839 we merged the variable to another.
3841 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3843 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3844 functions.
3846 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3847 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3849 2007-01-25 DJ Delorie <dj@redhat.com>
3851 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3852 allow changes to modes which don't fit in those registers.
3854 * reload1.c (choose_reload_regs): Check for invalid subregs before
3855 computing their locations, not after.
3857 2007-01-25 Geoffrey Keating <geoffk@apple.com>
3859 PR 25127
3860 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3861 save Altivec registers in an eh_return function.
3862 (compute_vrsave_mask): Likewise.
3863 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3864 for saving Altivec registers.
3865 (rs6000_emit_prologue): Don't allocate stack twice in
3866 eh_return function. Correct expected value of altivec_save_offset
3867 when using save_world. Describe save of R0 to stack when using
3868 save_world. Describe stack pointer adjustment when using
3869 save_world. Remove duplicated eh_return parameter register saving.
3870 Update sp_offset variable after save_world.
3871 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3872 darwin-world.asm.
3873 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3874 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3875 implies Altivec.
3877 2007-01-25 Steve Ellcey <sje@cup.hp.com>
3879 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3881 2007-01-25 Steve Ellcey <sje@cup.hp.com>
3883 PR other/30182
3884 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3885 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
3887 2007-01-25 Richard Guenther <rguenther@suse.de>
3889 * doc/invoke.texi (-Wcoverage-mismatch): Document.
3890 * common.opt (-Wcoverage-mismatch): New warning option.
3891 * coverage.c (get_coverage_counts): Ignore coverage mismatch
3892 if -Wcoverage-mismatch is given.
3894 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
3896 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3897 (ipcp_driver): Change to static definition.
3898 Add dumping of the ifunctions.
3899 (constant_val_insert): Remove unused parameter. Support for SSA.
3900 (ipcp_propagate_const): Support for SSA.
3901 (ipcp_profile_bb_print): Print only analyzed nodes.
3902 (ipcp_replace_map_create): Remove support for Fortran constant
3903 for now.
3904 * ipa-prop.c (ipa_method_modify_stmt,
3905 ipa_callsite_compute_param): Support for SSA.
3906 * ipa-prop.h (ipcp_driver): Remove declaration.
3907 (IS_VALID_TREE_MAP_INDEX): Add define.
3909 2007-01-24 Geoffrey Keating <geoffk@apple.com>
3911 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3913 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3915 PR middle-end/30447
3916 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3917 constant argument to cabs and do it without checking for
3918 -funsafe-math-optimizations.
3920 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
3922 * c-common.h (RID_FIRST_CXX0X): New.
3923 (RID_LAST_CXX0X): New.
3924 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3925 by -Wall.
3926 * c.opt (Wc++0x-compat): New.
3927 * doc/invoke.texi (-Wc++0x-compat): Document.
3929 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3931 * builtins.c (fold_builtin_carg): New.
3932 (fold_builtin_1): Use it.
3934 2007-01-24 Jan Hubicka <jh@suse.cz>
3936 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3938 * ipa-inline.c (initial_insns, max_insns): Delete.
3939 (compute_max_insns): New function.
3940 (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3941 of insns as base for code growth.
3942 (cgraph_decide_inlining): Make initial_insns local; do not compute
3943 max_insns.
3944 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3945 * doc/invoke.texi (inline-unit-growth): Update docs.
3947 2007-01-24 Jakub Jelinek <jakub@redhat.com>
3949 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3950 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3951 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3952 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
3953 for CPUs that have PTA_CX16 set.
3955 PR middle-end/27416
3956 * gimplify.c (omp_check_private): New function.
3957 (gimplify_scan_omp_clauses): Use it for
3958 firstprivate/lastprivate/reduction.
3960 PR middle-end/30494
3961 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3962 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3964 PR middle-end/30421
3965 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3966 If lower_lastprivate_clauses emits some statements, append them
3967 to dlist rather than body_p and to body_p append an initializer.
3968 (lower_omp_for): Adjust caller.
3970 2007-01-24 Steve Ellcey <sje@cup.hp.com>
3972 * target.h (globalize_decl_name): New.
3973 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3974 * output.h (default_globalize_decl_name): New.
3975 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
3976 globalize_label.
3977 (globalize_decl): Ditto.
3978 (default_globalize_decl_name): New.
3979 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
3980 (ia64_handle_version_id_attribute): New.
3981 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
3982 (ia64_asm_output_external): Use globalize_decl_name instead
3983 of globalize_label.
3984 * doc/extend.texi (version_id): New pragma.
3985 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
3987 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
3989 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
3990 _uleb128_t and _Unwind_SWord with _sleb128_t.
3991 * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
3992 uw_frame_state_for, uw_update_context_1): Likewise.
3993 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
3994 * unwind-pe.h (read_uleb128, read_sleb128,
3995 read_encoded_value_with_base): Likewise.
3996 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
3998 2007-01-24 Richard Guenther <rguenther@suse.de>
4000 * builtins.c (expand_builtin_cexpi): Get the fndecl
4001 for cexp in the correct way.
4003 2007-01-24 Jan Hubicka <jh@suse.cz>
4005 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
4007 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
4009 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
4010 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
4011 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
4012 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
4013 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
4014 __SIZEOF_PTRDIFF_T__.
4015 * doc/cpp.texi: Documentation for the new builtin macros added.
4017 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
4019 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
4020 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
4021 instead of operands[2] to avoid access past the end of array.
4023 2007-01-24 Richard Sandiford <richard@codesourcery.com>
4025 * reload1.c (emit_reload_insns): Pass the reload register
4026 for a non-spill output reload through forget_old_reloads_1.
4028 2007-01-23 Joseph Myers <joseph@codesourcery.com>
4030 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4031 _SOFT_DOUBLE if doubles use software floating-point.
4032 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
4033 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
4034 * config/rs6000/darwin-ldouble.c: Also compile functions for
4035 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
4036 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
4037 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
4038 commented-out long double override.
4039 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
4040 * config/rs6000/eabispe.h: Likewise.
4041 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
4042 long double for non-SPE.
4043 (rs6000_handle_option): Likewise.
4044 (invalid_e500_subreg): Disallow more subregs involding DImode,
4045 DFmode, TImode or TFmode.
4046 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
4047 E500 double.
4048 (legitimate_lo_sum_address_p): Also check for TFmode for E500
4049 double.
4050 (rs6000_legitimize_address): Also handle TFmode for E500 double.
4051 (rs6000_legitimize_reload_address): Also handle TFmode for E500
4052 double.
4053 (rs6000_legitimate_address): Also check for TFmode for E500
4054 double.
4055 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
4056 (spe_build_register_parallel): Handle TFmode and TCmode.
4057 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
4058 double.
4059 (function_arg): Handle TFmode and TCmode for E500 double.
4060 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
4061 in general.
4062 (print_operand): Handle TFmode and TImode for %y.
4063 (rs6000_generate_compare): Handle TFmode comparisons for E500
4064 double.
4065 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
4066 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
4067 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
4068 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
4069 TFmode for E500 double.
4070 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
4071 (floatsidf2): Enable for E500 double.
4072 (movtf_softfloat): Use rs6000_nonimmediate_operand.
4073 (extenddftf2): Change to extenddftf2_fprs.
4074 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
4075 depending on TARGET_E500_DOUBLE.
4076 (extendsftf2): Enable for E500 double.
4077 (trunctfdf2): Enable for E500 double.
4078 (trunctfsf2): Change to trunctfsf2_fprs.
4079 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
4080 depending on TARGET_E500_DOUBLE.
4081 (floatsitf2): Enable for E500 double.
4082 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
4083 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
4084 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
4085 (negtf2): Change to negtf2_internal.
4086 (negtf2): New expander.
4087 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
4088 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
4089 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
4090 (movdi_internal32): Use rs6000_nonimmediate_operand.
4091 (unnamed splitter): Likewise.
4092 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
4093 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
4094 (SPE64TF, DITI): New mode macros.
4095 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
4096 modes.
4097 (frob_tf_ti): New.
4098 (frob_<mode>_di_2): New.
4099 (frob_tf_di_8_2): New.
4100 (frob_di_df): Change to frob_di_<mode>; allow more modes.
4101 (frob_ti_tf): New.
4102 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
4103 more modes.
4104 (frob_ti_<mode>_8_2): New.
4105 (frob_ti_tf_2): New.
4106 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
4107 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
4108 TFmode.
4109 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
4110 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
4111 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
4112 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
4113 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
4114 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
4115 tsttflt_gp): New.
4117 2007-01-23 Ian Lance Taylor <iant@google.com>
4119 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
4120 insn-*.o first.
4121 (OBJS-archive): Reformat, alphabetize.
4122 (OBJS): Change out_object_file to OBJS-md.
4124 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
4126 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
4127 JUMP_P and CALL_P predicates where applicable.
4128 * config/i386/i386.c: Ditto.
4129 * config/i386/i386.md: Ditto.
4130 * config/i386/mmx.md: Ditto.
4131 * config/i386/predicates.md: Ditto.
4133 2007-01-22 Andreas Schwab <schwab@suse.de>
4135 * config/m68k/m68k.h: Fix comment.
4137 2007-01-22 Jan Hubicka <jh@suse.cz>
4139 * passes.c (init_optimization_passes): Do not rerun
4140 pass_early_warn_uninitialized.
4142 2007-01-22 Richard Guenther <rguenther@suse.de>
4144 PR tree-optimization/30038
4145 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
4146 function.
4147 (execute_cse_sincos_1): Likewise.
4148 (execute_cse_sincos): Likewise.
4149 (gate_cse_sincos): Likewise.
4150 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
4151 the cexpi() canonicalization of sincos().
4152 * tree-pass.h (pass_cse_sincos): Declare.
4153 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
4155 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4157 PR rtl-optimization/29329
4158 * combine.c (replaced_rhs_insn): Rename to i2mod.
4159 (replaced_rhs_value): Rename to i2mod_new_rhs.
4160 (i2mod_old_rhs): New global variable.
4161 (combine_instructions): Adjust for above change. Save a copy of
4162 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
4163 note are substituted in the second instruction.
4164 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
4165 ditch the note if it pertains to the second eliminated register
4166 and this register is mentioned in i2mod_old_rhs.
4168 Revert:
4169 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4171 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4172 the insn to which the note was originally attached.
4174 2007-01-21 Jan Hubicka <jh@suse.cz>
4176 * ipa-inline.c (inlining_mode): Comment, move up.
4177 (cgraph_decide_inlining_incrementally): Do not perform inlining
4178 itself; fix handling of flattening of self recursive functions.
4179 (cgraph_find_cycles): Remove.
4180 (cgraph_flatten_node): Remove.
4181 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
4182 (try_inline): New function.
4183 (cgraph_early_inlining): Update call of
4184 cgraph_decide_inlining_incrementally. Apply inlining here.
4185 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
4187 2007-01-21 Dirk Mueller <dmueller@suse.de>
4189 PR bootstrap/30511
4190 * tree-vrp.c (check_array_bounds): do not warn
4191 about ADDR_EXPR's of ARRAY_REF's which are immediately
4192 used in binary expressions.
4194 2007-01-21 Ira Rosen <irar@il.ibm.com>
4196 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
4197 read_write_dep and macros for its access.
4198 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
4199 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
4200 argument, call vect_check_interleaving for every independent pair of
4201 data-refs. Mark loads that access the same memory location as a store
4202 in the loop.
4203 (vect_check_dependences): Remove.
4204 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
4205 call, fix the call to vect_analyze_data_ref_dependence.
4206 (vect_analyze_data_ref_access): For statements that access the same
4207 data-ref, check that they are not stores; for loads, check that there
4208 is no store that access the same location.
4210 2007-01-20 Roger Sayle <roger@eyesopen.com>
4211 Joseph Myers <joseph@codesourcery.com>
4213 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
4214 (-fdump-rtl-stack): Likewise.
4215 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
4216 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
4217 (-mpt-fixed): Use @minus{} for minus sign.
4218 (Using Precompiled Headers): Fix under/overfull hbox.
4220 2007-01-20 Jan Hubicka <jh@suse.cz>
4222 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
4223 place within annotation.
4225 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4227 * pa.c (output_move_double): Change array size of xoperands to 4.
4229 2007-01-20 Jan Hubicka <jh@suse.cz>
4231 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
4232 as temporary.
4234 2007-01-19 Ian Lance Taylor <iant@google.com>
4236 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
4237 constant to unsigned HOST_WIDE_INT before negating.
4239 2007-01-19 Ian Lance Taylor <iant@google.com>
4241 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
4242 to unsigned.
4243 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
4244 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4245 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
4246 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
4247 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4248 (realloc_vdef, realloc_vuse): Change second parameter to
4249 unsigned.
4250 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
4251 fields to unsigned.
4252 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
4253 unsigned. Change x and lim locals to unsigned.
4254 (realloc_vdef, realloc_vuse): Change num_elem parameter to
4255 unsigned.
4256 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
4257 (copy_virtual_operands): Change i and n locals to unsigned.
4259 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4261 PR middle-end/29335
4262 * builtins.c (fold_builtin_1): Handle builtin fdim.
4264 2007-01-20 Jan Hubicka <jh@suse.cz>
4266 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
4267 * tree-ssa-structalias.c (compute_points_to_sets): Do call
4268 init_alias_heapvars.
4269 (init_alias_heapvars): Initialize only when not already initialized.
4270 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
4272 2007-01-19 Roger Sayle <roger@eyesopen.com>
4274 * common.opt (fsigned-zeros): New command line option.
4275 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
4276 of flag_unsafe_math_optimizations.
4277 * opts.c (set_fast_math_flags): The -ffast-math command line option
4278 implies -fno-signed-zeros.
4279 (fast_math_flags_set_p): Likewise.
4281 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
4282 the documentation of -ffast-math appropriately. Wrap long lines.
4284 2007-01-19 Steve Ellcey <sje@cup.hp.com>
4286 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
4287 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
4289 2007-01-19 Tomas Bily <tbily@suse.cz>
4291 * cgraphunit.c (cgraph_finalize_function): Updating of pid
4292 * tree-profile.c:
4293 (tree_init_ic_make_global_vars): New function
4294 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
4295 (tree_gen_ic_profiler): New function
4296 (tree_gen_ic_func_profiler): New function
4297 (tree_profiling): Added calling of tree_gen_ic_func_profiler
4298 (tree_profile_hooks): Added hook for indirec/virtual calls
4299 * value-prof.c (tree_find_values_to_profile): New case for
4300 indirect calls
4301 (tree_values_to_profile): Call for determining indirect/virtual
4302 counters
4303 (tree_indirect_call_to_profile): New function
4304 (tree_ic_transform): New function
4305 (tree_ic): New function
4306 (find_func_by_pid): New function
4307 (init_pid_map): New function
4308 (tree_value_profile_transformations): Added check for
4309 indirect/virtual call transformation
4310 * value-prof.h (enum hist_type): New counter type for
4311 indirect/virtual calls
4312 (profile_hooks): Added new hook for profiling indirect/virtual
4313 calls
4314 * profile.c (instrument_values): New case for indirect/virtual
4315 call added
4316 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
4317 (GCOV_COUNTER_V_INDIR): New counter type
4318 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
4319 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
4320 call added
4321 * cgraph.c: Definition of cgraph_max_pid
4322 (cgraph_create_node): Default init of pid attribute
4323 * cgraph.h: Declaration of cgraph_max_pid
4324 (struct cgraph_node): Added pid attribute
4325 * libgcov.c (__gcov_indirect_call_profiler): New function
4326 (__gcov_one_value_profiler_body): New function
4327 (__gcov_one_value_profiler): Body was moved to
4328 __gcov_one_value_profiler_body and calls it
4330 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
4332 * doc/gty.texi (Options): Document the mark_hook option to GTY.
4333 * gengtype.c (write_types_data, write_func_for_structure,
4334 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
4335 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
4336 (walk_type, write_func_for_structure): Generate the mark_hook if
4337 needed.
4339 2007-01-19 Jan Hubicka <jh@suse.cz>
4341 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
4342 'early' argument take inlining mode argument specifying whether to
4343 inline for size/speeed or all functions; add support for flattening;
4344 improve dumpting.
4345 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
4347 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4349 PR c++/17947
4350 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
4351 the name of the declared identifier.
4353 2007-01-19 Dirk Mueller <dmueller@suse.de>
4355 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
4356 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
4357 duplicate evaluation.
4359 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
4361 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
4362 Macroize expander using X87MODEF12 mode macro. Extend operand 1
4363 to XFMode, use acosxf2 and truncate result to requested mode.
4364 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4365 (asin<mode>2): Similarly, with asin expanders.
4366 (*fscalexf4_i387): Rename from *fscalexf4.
4367 (expNcorexf3): New expander.
4368 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
4369 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
4370 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
4371 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
4372 patterns for SSE math.
4373 (exp10<mode>2): Similarly, with exp10 expanders.
4374 (exp2<mode>2): Similarly, with exp2 expanders.
4375 (expm1<mode>2): Similarly, with expm1 expanders.
4376 (ldexp<mode>3): Similarly, with ldexp expanders.
4377 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
4378 Use gen_truncxf<mode>2_i387_noop to truncate result.
4380 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4382 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
4383 for ColdFire targets.
4385 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
4386 Richard Sandiford <richard@codesourcery.com>
4388 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
4389 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
4390 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
4391 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
4392 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4393 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4395 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4397 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
4398 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
4399 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
4400 (*adddi_dilshr32_cf): New pattern.
4401 (adddi3, subdi3): Remove first alternatives.
4403 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4405 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
4406 implemented using move.l, do not use its cc result for floating-point
4407 comparisons.
4409 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4411 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
4412 from accepting 's' constraints if flag_pic.
4414 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4416 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
4417 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
4418 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
4419 condition from TARGET_68881 to TARGET_HARD_FLOAT.
4421 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
4423 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
4424 ColdFire alternatives.
4425 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
4426 * config/m68k/m68k.md (clzsi2): Define for ColdFire
4427 architectures that support ff1 instruction.
4429 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4430 Julian Brown <julian@codesourcery.com>
4432 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
4433 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
4434 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
4435 Add commentary.
4437 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4439 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
4440 and return a bool.
4441 (output_move_const_into_data_reg, output_move_simode_const): Delete.
4442 * config/m68k/m68k.c (const_method, const_int_cost): Take a
4443 HOST_WIDE_INT instead of an rtx.
4444 (m68k_rtx_costs): Update call accordingly.
4445 (output_move_const_into_data_reg): Likewise. Fix formatting.
4446 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
4447 Return a bool.
4448 (output_move_simode_const): Update calls after above changes.
4449 Rework to use automatic variables and predicates like MEM_P.
4450 * config/m68k/m68k.md (pushexthisi_const): Update call to
4451 valid_mov3q_const.
4453 2007-01-19 Dirk Mueller <dmueller@suse.de>
4455 * tree-ssa-alias.c (perform_var_substitution): Fix typo
4456 in dump_flags test.
4458 2007-01-19 Richard Guenther <rguenther@suse.de>
4460 * builtins.c (expand_builtin_cexpi): Fall back to expanding
4461 via cexp in case sincos is not available.
4463 2007-01-19 Richard Guenther <rguenther@suse.de>
4465 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
4466 * defaults.h (TARGET_HAS_SINCOS): Default to off.
4467 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
4468 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
4469 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
4470 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
4471 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
4472 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
4474 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
4476 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
4477 New insn patterns.
4478 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
4479 (atan2xf3): Directly generate RTL pattern.
4480 (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
4481 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
4482 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
4483 disable patterns for SSE math.
4484 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
4485 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
4486 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
4487 disable patterns for SSE math.
4489 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
4491 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
4493 2007-01-18 Roger Sayle <roger@eyesopen.com>
4495 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
4496 VIEW_CONVERT_EXPR to the same type as it's operand.
4498 2007-01-18 David Edelsohn <edelsohn@gnu.org>
4500 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
4501 configured for long double 128.
4503 2007-01-18 Mike Stump <mrs@apple.com>
4505 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
4506 error.
4508 2007-01-18 Michael Meissner <michael.meissner@amd.com>
4510 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
4511 type correct.
4513 2007-01-18 Jan Hubicka <jh@suse.cz>
4515 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
4516 greater than NUM_VOP_FREE_BUCKETS.
4518 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
4520 * tree-ssa-structalias.c: Update comments.
4521 (ptabitmap_obstack): Removed.
4522 (pta_obstack): New.
4523 (oldpta_obstack): Ditto.
4524 (stats): Add a few members.
4525 (struct variable_info): Remove node, complex, address_taken, and
4526 indirect_target members. Add oldsolution member.
4527 (new_var_info): Do not initialize removed members.
4528 (constraint_expr_type): Remove INCLUDES.
4529 (constraint_graph): Add size, implicit_preds, rep,
4530 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
4531 (FIRST_REF_NODE): New macro.
4532 (LAST_REF_NODE): Ditto.
4533 (FIRST_ADDR_NODE): Ditto.
4534 (find): New function.
4535 (unite): Ditto.
4536 (dump_constraint): Do not handle INCLUDES.
4537 (insert_into_complex): Do not insert duplicate constraints.
4538 (condense_varmap_nodes): Renamed and rewritten into ...
4539 (merge_node_constraints): This. Also fix bug in handling of
4540 offseted copy constraints.
4541 (clear_edges_for_node): No longer need to deal with preds at all,
4542 or removing associated preds/succs.
4543 (merge_graph_nodes): Deal with indirect_cycles.
4544 Don't deal with predecessors.
4545 (add_implicit_graph_edge): New function.
4546 (add_pred_graph_edge): Ditto.
4547 (add_graph_edge): Don't deal with predecessors.
4548 (build_constraint_graph): Removed.
4549 (build_pred_graph): New function.
4550 (build_succ_graph): Ditto.
4551 (struct scc_info): Removed in_component. Added roots, dfs, and
4552 node_mapping. Remove visited_index, unification_queue.
4553 (scc_visit): Deal with union-find we do now.
4554 Deal with cycles with REF nodes.
4555 (collapse_nodes): Renamed and rewritten to ...
4556 (unify_nodes): This.
4557 (process_unification_queue): Removed.
4558 (topo_visit): Cleanup
4559 (do_da_constraint): Use find.
4560 (do_sd_constraint): Ditto.
4561 (do_ds_constraint): Ditto.
4562 (do_complex_constraint): Ditto.
4563 (init_scc_info): Update for removed and added members.
4564 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
4565 (find_indirect_cycles): This.
4566 (equivalence_class): New variable.
4567 (label_visit): New function.
4568 (perform_variable_substitution): Rewritten.
4569 (free_var_substitution_info): New function.
4570 (find_equivalent_node): Ditto.
4571 (move_complex_constraints): Ditto.
4572 (eliminate_indirect_cycles): Ditto.
4573 (solve_graph): Only propagate changed bits.
4574 Use indirect cycle elimination.
4575 Use find.
4576 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
4577 (tree_id_eq): Renamed to ...
4578 (tree_vi_eq): This. Update for member change
4579 (insert_id_for_tree): Renamed and rewritten to ...
4580 (insert_vi_for_tree): This.
4581 (lookup_id_for_tree): Renamed and rewritten to ...
4582 (lookup_vi_for_tree): This.
4583 (get_id_for_tree): Renamed and rewritten to ...
4584 (get_vi_for_tree): Ditto.
4585 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
4586 (process_constraint): Don't handle INCLUDES.
4587 Remove special ADDRESSOF case.
4588 (find_func_aliases): Rewrite to use vi functions instead of id
4589 ones.
4590 (create_function_info_for): Ditto.
4591 (create_variable_info_for): Ditto.
4592 (intra_create_variable_infos): Ditto.
4593 (merge_smts_into): Ditto.
4594 (find_what_p_points_to): Ditto.
4595 (init_base_vars): Ditto.
4596 (init_alias_vars): Ditto.
4597 (remove_preds_and_fake_succs): New function.
4598 (dump_sa_points_to_info): Dump new stats.
4599 (dump_solution_for_var): Use find.
4600 (set_used_smts): Fix formatting.
4601 (compute_points_to_sets): Updated for new functions.
4602 (ipa_pta_execute): Ditto.
4604 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
4605 Richard Sandiford <richard@codesourcery.com>
4607 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
4608 parallels.
4609 * calls.c (expand_call): If the return value is a PARALLEL,
4610 extract its first member.
4611 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
4612 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4613 use FUNCTION_EXTRA_EPILOGUE.
4614 (m68k_function_value): Return a PARALLEL if the return value
4615 is of a pointer type.
4616 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
4617 (FUNCTION_EXTRA_EPILOGUE): Remove.
4618 * config/m68k/m68k.md (D0_REG): New constant.
4620 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
4622 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4623 output a NOP for empty epilogues.
4625 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4627 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
4628 before function. Extend register save check to include all
4629 registers, not just integer ones.
4631 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
4633 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
4634 (m68k_use_return_insn): ...this.
4635 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
4636 * config/m68k/m68k.c (use_return_insn): Rename to...
4637 (m68k_use_return_insn): ...this.
4638 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
4639 of USE_RETURN_INSN.
4641 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
4643 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
4644 nearest even, fix denormal rounding overflow.
4646 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4648 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
4649 f%$smove and f%$move.
4650 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
4651 (extendsfdf2_cf): Use fdmove instead of f%&move.
4652 (truncdfsf2_cf): Use fsmove instead of f%$smove.
4653 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
4655 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4657 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
4658 GPR<-GPR moves.
4660 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4662 * real.h (real_format): Add a canonical_nan_lsbs_set field.
4663 (coldfire_single_format): Declare.
4664 (coldfire_double_format): Likewise.
4665 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
4666 of qnan_msb_set to determine the lower bits of a canonical
4667 NaN significand.
4668 (encode_ieee_double): Likewise.
4669 (encode_ieee_quad): Likewise.
4670 (ieee_single_format): Initialize canonical_nan_lsbs_set.
4671 (mips_single_format): Likewise.
4672 (ieee_double_format): Likewise.
4673 (mips_double_format): Likewise.
4674 (ieee_extended_motorola_format): Likewise.
4675 (ieee_extended_intel_96_format): Likewise.
4676 (ieee_extended_intel_128_format): Likewise.
4677 (ieee_extended_intel_96_round_53_format): Likewise.
4678 (ibm_extended_format): Likewise.
4679 (mips_extended_format): Likewise.
4680 (ieee_quad_format): Likewise.
4681 (mips_quad_format): Likewise.
4682 (vax_f_format): Likewise.
4683 (vax_d_format): Likewise.
4684 (vax_g_format): Likewise.
4685 (i370_single_format): Likewise.
4686 (i370_double_format): Likewise.
4687 (decimal_single_format): Likewise.
4688 (decimal_double_format): Likewise.
4689 (decimal_quad_format): Likewise.
4690 (c4x_single_format): Likewise.
4691 (c4x_extended_format): Likewise.
4692 (real_internal_format): Likewise.
4693 (coldfire_single_format): New real_format.
4694 (coldfire_double_format): Likewise.
4695 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
4696 canonical_nan_lsbs_set.
4697 (pdp11_d_format): Likewise.
4698 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4699 if TARGET_COLDFIRE_CPU.
4701 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4703 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4704 (output_call, m68k_legitimize_call_address): Declare.
4705 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4706 parenthesees. Add support for a 'W' constraint.
4707 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4708 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4709 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4710 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4711 variables.
4712 (override_options): Initialize them. Do not set flag_no_function_cse
4713 for TARGET_ID_SHARED_LIBRARY.
4714 (m68k_output_pic_call): Delete.
4715 (m68k_legitimize_call_address): New function.
4716 (print_operand): Remove the %o prefix. Handle the %p prefix.
4717 (output_call): New function.
4718 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
4719 target address from the GOT if symbolic jumps are not allowed.
4720 * config/m68k/m68k.md (call, general_operand): Do not set
4721 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
4722 Merge separate flag_pic and !flag_pic define_insns into...
4723 (*call, *call_value): ...these new patterns. Match the address
4724 rather than the containing MEM and require it to be a call_operand.
4725 Use output_call to generate the asm template.
4726 * config/m68k/predicates.md (const_call_operand): New predicate.
4727 (call_operand): Likewise.
4729 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
4731 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4732 (STACK_GROWS_DOWNWARD): Define to 1.
4733 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4734 comments, emphasizing that these values are only defaults.
4735 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4736 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4738 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4740 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4742 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
4743 Richard Sandiford <richard@codesourcery.com>
4745 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4746 (FP_REGNO_P): New macros.
4747 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4748 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4749 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4750 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4752 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
4754 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4755 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4756 to $tmake_file.
4757 * config/m68k/t-floatlib: New file, extracting common code from...
4758 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4759 * config/m68k/t-uclinux: Here.
4760 * config/m68k/fpgnulib.c: Do not compile extendeed precision
4761 routines on ColdFire targets.
4763 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
4765 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4766 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4767 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4768 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4769 explicitly set MOTOROLA to 1.
4770 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4772 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4773 Nathan Sidwell <nathan@codesourcery.com>
4775 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4776 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4777 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4778 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4779 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4780 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4781 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4782 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4783 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4784 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4785 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4786 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4787 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4788 (DBX_REGISTER_NUMBER): Delete.
4789 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4790 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4791 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4793 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4795 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4796 * config/flat.h: New file.
4797 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4798 OBJECT_FORMAT_FLAT.
4799 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4800 indirect references for -msep-data or -mid-shared-library.
4801 Do not use PC-relative code addresses either.
4802 * config/m68k/m68k.c (override_options): Restrict -fPIC error
4803 to -mpcrel.
4804 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
4805 for shared libraries and crt1.o for executables. Use crti.o and
4806 crtbegin.o.
4807 (ENDFILE_SPEC): Use crtend.o and crtn.o.
4808 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4809 Do not add -elf2flt or -shared-lib-id options here.
4810 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
4811 Pass -shared-lib-id if -mid-shared-library, taking the library
4812 identifier from -mshared-library-id if given, otherwise
4813 defaulting to 0.
4814 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4815 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4816 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4817 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4818 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4819 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4820 and crtend.o.
4821 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4822 jump sequence for ISA A and ISA A+.
4823 (PICJUMP): Likewise.
4825 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4827 * config.gcc (m68k-*-uclinux*): Base the port on the common
4828 and m68k GNU/Linux files rather than on the generic ELF ones.
4829 * config/m68k/uclinux.h (TARGET_VERSION): Override.
4830 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4832 2007-01-18 Julian Brown <julian@codesourcery.com>
4833 Richard Sandiford <richard@codesourcery.com>
4835 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4836 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4837 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4838 before redefining.
4839 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4840 80 unconditionally.
4841 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4843 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4845 * doc/install.texi: Document m68k-uclinuxoldabi.
4846 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
4847 * config/m68k/uclinux-oldabi.h: New file, copied from
4848 config/m68k/uclinux.h.
4850 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
4852 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
4853 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
4854 (m32r_compute_frame_size): Use unsigned for regno.
4855 (m32r_reload_lr): Use gen_frame_mem.
4856 (pop): New.
4857 (m32r_output_function_epilogue): Don't output the function epilogue
4858 textually here.
4859 (m32r_expand_epilogue): New.
4860 (direct_return): Return false if the function has the interrupt
4861 attribute.
4862 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
4863 * config/m32r/m32r.md (epilogue): New expander.
4864 (return_lr, return_rte): New insns.
4865 (return): Make it expander.
4866 (return_normal): New expander.
4868 2007-01-18 Josh Conner <jconner@apple.com>
4870 PR target/30485
4871 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
4872 support for UNLE, UNLT, UNGE, and UNGT.
4874 2007-01-18 Jan Hubicka <jh@suse.cz>
4876 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
4877 * tree-tailcall (add_virtual_phis): Likewise.
4878 (optimize_tail_call): Return TODOs.
4879 (execute_tail_calls): Return TODOs.
4880 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
4881 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
4882 changed.
4883 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4884 Cleanup cfg using TODO.
4885 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
4886 * passes.c (execute_function_todo): When cleanup did something, remove
4887 unused locals.
4888 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
4889 (make_edges): Don't cleanup_cfg.
4891 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
4893 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
4894 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
4895 operate on the top of stack.
4896 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
4897 register handling of instructions that output to the second
4898 stack slot.
4899 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
4900 (move_for_stack_reg): Special-case check for dead destination
4901 stack slot for constant load of 1.0 inside UNSPEC_TAN.
4903 * config/i386/i386.md (UNSPEC_TAN): New constant.
4904 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
4905 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
4906 to correctly model move of constant 1.0 to top stack slot.
4907 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
4908 (unnamed peephole2 pattern): Remove corresponding peephole2
4909 pattern that optimizes tan insn and loading of constant 1.0.
4910 (tanxf2): Use fptanxf4_i387.
4911 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
4912 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
4913 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
4914 disable patterns for SSE math.
4915 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
4916 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
4918 2007-01-18 Dirk Mueller <dmueller@suse.de>
4919 Richard Guenther <rguenther@suse.de>
4921 PR diagnostic/8268
4922 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
4923 * common.opt (Warray-bounds): Add new warning option.
4924 * c-opts.c (c_common_handle_option): Define -Warray-bounds
4925 if -Wall is given.
4926 * Makefile.in: make tree-vrp.o depend on toplev.h
4927 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
4928 is enabled.
4929 (check_array_refs, check_array_bounds, check_array_ref): New.
4931 2007-01-18 Jan Hubicka <jh@suse.cz>
4933 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
4934 (execute_ssa_ccp): Return flags conditionally.
4935 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
4936 changed.
4937 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
4939 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
4941 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
4942 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
4944 * Makefile.c (GTFILES): Add cfglayout.h.
4945 * gengtype.c (open_base_files): Likewise.
4946 * cfglayout.c (cfg_layout_function_footer,
4947 cfg_layout_function_header) Reindent to make gengtype happy.
4948 * cfglayout.h (cfg_layout_function_footer,
4949 cfg_layout_function_header): Add GTY(()) marker.
4951 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
4953 2007-01-18 Ben Elliston <bje@au.ibm.com>
4955 * genautomata.c (write_automata): Include xstrerror output in the
4956 error message if writing the DFA description file fails.
4958 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
4960 * config/mips/mips-protos.h (mips_output_external): Make it
4961 return void.
4962 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
4963 * config/mips/mips.c (irix_output_external_libcall): Likewise.
4964 (extern_list): Likewise.
4965 (extern_head): Likewise.
4966 (TARGET_ASM_FILE_END): Likewise.
4967 (mips_file_end): Likewise.
4968 (mips_output_external): Rewritten.
4970 2007-01-18 Ben Elliston <bje@au.ibm.com>
4972 * genpreds.c (write_insn_preds_c): Only write out the function
4973 body for regclass_for_constraint if we have register constraints.
4975 2007-01-17 Tom Tromey <tromey@redhat.com>
4977 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
4978 * doc/install.texi (Testing): Use sourceware.org.
4979 (Binaries): Likewise.
4980 (Specific): Likewise.
4981 * doc/contrib.texi (Contributors): Use sourceware.org.
4983 2007-01-17 Anatoly Sokolov <aesok@post.ru>
4985 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
4986 (AVR_ENHANCED): Rename to ...
4987 (AVR_HAVE_MUL): ... new.
4988 (avr_enhanced_p): Rename to ...
4989 (avr_have_mul_p): ... new.
4990 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
4991 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
4992 * config/avr/avr.c (avr_enhanced_p): Rename to ...
4993 (avr_have_mul_p): ... new.
4994 (base_arch_s): Rename 'enhanced' to 'have_mul'.
4995 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
4996 'avr_enhanced_p' and 'enhanced'.
4997 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
4998 AVR_HAVE_MUL instead of AVR_ENHANCED.
4999 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
5000 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
5001 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
5002 instead of AVR_ENHANCED.
5003 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
5004 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
5005 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
5007 2007-01-17 Ian Lance Taylor <iant@google.com>
5009 * vec.h (VEC_reserve_exact): Define.
5010 (vec_gc_p_reserve_exact): Declare.
5011 (vec_gc_o_reserve_exact): Declare.
5012 (vec_heap_p_reserve_exact): Declare.
5013 (vec_heap_o_reserve_exact): Declare.
5014 (VEC_OP (T,A,reserve_exact)): New static inline function, three
5015 versions.
5016 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
5017 negative parameter.
5018 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
5019 (VEC_OP (T,A,copy)) [all versions]: Likewise.
5020 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
5021 * vec.c (calculate_allocation): Add exact parameter. Change all
5022 callers.
5023 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
5024 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
5025 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
5026 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
5027 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
5028 (vec_heap_p_reserve_exact): New function.
5029 (vec_heap_o_reserve_exact): New function.
5031 2007-01-17 Jan Hubicka <jh@suse.cz>
5033 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
5035 2007-01-17 Eric Christopher <echristo@apple.com>
5037 * config.gcc: Support core2 processor.
5039 2007-01-16 Jan Hubicka <jh@suse.cz>
5041 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
5042 the names, just unlink the chain so we don't crash on dangling pointers
5043 to dead SSA names.
5045 2007-01-16 Jan Hubicka <jh@suse.cz>
5047 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
5048 * tree-pass.h: Reorder to make IPA passes appear toegher.
5049 (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
5050 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
5051 parameters, do not call early inliner.
5052 * ipa-inline.c: Update comments. Include tree-flow.h
5053 (cgraph_decide_inlining): Do not compute inlining parameters.
5054 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
5055 be called with function context set up.
5056 (pass_ipa_inline): Remove unreachable functions before pass.
5057 (cgraph_early_inlining): Simplify assuming to be called from the
5058 PM as local pass.
5059 (pass_early_inline): New pass.
5060 (cgraph_gate_ipa_early_inlining): New gate.
5061 (pass_ipa_early_inline): Turn into simple wrapper.
5062 (compute_inline_parameters): New function.
5063 (gate_inline_passes): New gate.
5064 (pass_inline_parameters): New pass.
5065 (apply_inline): Move here from tree-optimize.c
5066 (pass_apply_inline): New pass.
5067 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
5068 transforming.
5069 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
5070 doing them by hand.
5071 (tree_function_versioning): Do not allocate dummy struct function.
5072 * tree-inline.h (optimize_inline_calls): Update prototype.
5073 * tree-optimize.c (execute_fixup_cfg): Export.
5074 (pass_fixup_cfg): Remove
5075 (tree_rest_of_compilation): Do not apply inlines.
5076 * tree-flow.h (execute_fixup_cfg): Declare.
5077 * Makefile.in (gt-passes.c): New.
5078 * passes.c: Include gt-passes.h
5079 (init_optimization_passes): New passes.
5080 (nnodes, order): New static vars.
5081 (do_per_function_toporder): New function.
5082 (execute_one_pass): Dump current pass here.
5083 (execute_ipa_pass_list): Don't dump current pass here.
5085 2007-01-16 Janis Johnson <janis187@us.ibm.com>
5087 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
5088 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
5090 2007-01-16 David Edelsohn <edelsohn@gnu.org>
5092 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
5093 (strong_alias): Define.
5094 (__gcc_qmul): Provide non-FMA for soft-float.
5095 (__gcc_qdiv): Same.
5096 (__gcc_qneg): New.
5097 (__gcc_qeq): New.
5098 (__gcc_qle): New.
5099 (__gcc_qge): New.
5100 (__gcc_qunord): New.
5101 (__gcc_stoq): New.
5102 (__gcc_dtoq): New.
5103 (__gcc_qtos): New.
5104 (__gcc_qtod): New.
5105 (__gcc_qtoi): New.
5106 (__gcc_qtou): New.
5107 (__gcc_itoq): New.
5108 (__gcc_utoq): New.
5109 (fmsub): New.
5110 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
5111 soft-float functions.
5112 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
5113 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
5114 about long double soft float.
5116 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
5117 Tehila Meyzels <tehila@il.ibm.com>
5119 * tree-vectorizer.h (is_pattern_stmt_p): New.
5120 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
5121 formatting (tabs instead of spaces). Cleanup and clarify setting
5122 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
5123 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
5124 (vectorizable_type_demotion): Check that types are integral.
5125 (vectorizable_type_promotion): Likewise.
5126 (vectorizable_store): Fix typo. Eliminate new-line at end of
5127 comments.
5129 2007-01-16 Jan Hubicka <jh@suse.cz>
5131 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
5132 cgraph edges too.
5134 2007-01-15 Eric Christopher <echristo@apple.com>
5136 * ifcvt.c: Include vec.h, vecprim.h.
5137 (check_cond_move_block): New argument regs.
5138 Reorganize. Add registers used to regs.
5139 (cond_move_process_if_block): Use regs set above as
5140 loop bounds.
5142 2007-01-15 Eric Christopher <echristo@apple.com>
5144 * config/darwin.h: Update copyright.
5145 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
5146 (LINK_COMMAND_SPEC): Add -u.
5147 (LINK_SPEC): Fix umbrella for above.
5149 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
5151 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
5152 glibc CVS.
5154 2007-01-15 Tom Tromey <tromey@redhat.com>
5156 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
5157 * doc/install.texi (Testing): Don't mention jacks.
5158 (Configuration): Document --enable-java-maintainer-mode. Move
5159 --with-java-home to libgcj-specific section. Document
5160 --with-ecj-jar.
5161 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
5163 2007-01-15 Jan Hubicka <jh@suse.cz>
5165 * tree-ssa-dce.c (DCE_TODOs): New.
5166 (propagate_necessity): Return if something changed.
5167 (eliminate_unnecessary_stmts): Likewise.
5168 (perform_tree_ssa_dce): Return TODO flags when needed.
5169 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
5171 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
5173 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
5174 (fyl2x_extend<mode>xf3_i387): New insn pattern.
5175 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
5176 patterns using X87MODEF12 mode macro. Extend operand 1
5177 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
5178 (log10<mode>2): Ditto.
5179 (log2<mode>2): Ditto.
5180 (log1p<mode>2): Ditto.
5181 (logb<mode>2): Ditto.
5182 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
5183 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
5184 (*fxtractxf3_i387): Rename from *fxtractxf3.
5185 (fxtract_extend<mode>xf3_i387): New insn pattern.
5186 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
5187 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
5188 and gen_fyl2xxf3_i387().
5190 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
5192 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
5193 * cfgloopmanip.c (fix_loop_placement): Made static. Use
5194 get_loop_exit_edges. Changed return type to bool.
5195 * cfgloop.h (fix_loop_placement): Declaration removed.
5197 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
5199 * param.h (MIN_VECT_LOOP_BOUND): New.
5200 * params.def (MIN_VECT_LOOP_BOUND): New.
5201 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
5202 argument - minimum threshold for number of iterations.
5203 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
5204 argument to declaration.
5205 * tree-vect-analyze.c (vect_analyze_operations): Check value of
5206 MIN_VECT_LOOP_BOUND.
5207 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
5208 slpeel_tree_peel_loop_to_edge with additional argument.
5209 (vect_do_peeling_for_alignment): Likewise.
5210 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
5212 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
5214 PR target/30413
5215 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
5216 operands of size 1.
5218 2007-01-14 Jan Hubicka <jh@suse.cz>
5220 * tree-dfa.c (remove_referenced_var): New function.
5221 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
5222 prune referenced vars list too.
5223 * tree-flow.h (remove_referenced_var): Declare.
5225 2007-01-14 Jan Hubicka <jh@suse.cz>
5227 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
5228 separately.
5229 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
5230 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
5231 * except.h (verify_eh_throw_table_statements): Kill prototype.
5232 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
5233 into call exrepssions.
5234 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
5235 eh trhow verifier.
5236 * tree-cfg.c: Include pointer-set.h.
5237 (verify_node_sharing): Work on pointer set.
5238 (verify_eh_throw_stmt_node): New.
5239 (verify_stmts): Use pointers sets, verify throw_stmt.
5241 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
5243 * ipa-reference.c (analyze_function): Consider also addresses taken
5244 in phi nodes.
5246 2007-01-12 Roger Sayle <roger@eyesopen.com>
5248 * c-typeck.c (null_pointer_constant_p): Replace use of
5249 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5250 (build_c_cast): Likewise.
5252 2007-01-12 Roger Sayle <roger@eyesopen.com>
5254 * tree.h (force_fit_type_double): Remove unused final argument.
5255 * c-common.c (constant_expression_warning): Replace use of
5256 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5257 (convert_and_check): Likewise.
5258 (shorten_compare): Update call to force_fit_type_double.
5259 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
5260 * convert.c (convert_to_pointer): Update call to
5261 force_fit_type_double.
5262 * fold-const.c (force_fit_type_double): Remove overflowed_const
5263 argument.
5264 (int_const_binop, fold_convert_const_int_from_int,
5265 fold_convert_const_int_from_real, fold_div_compare,
5266 fold_sign_changed_comparison, fold_unary, fold_negate_const,
5267 fold_abs_const, fold_not_const): Remove the final argument from
5268 calls to force_fit_type_double.
5270 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
5272 * configure.ac: Set insn to "nop" for spu-*-* also.
5273 * configure: Regenerate.
5275 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
5277 * builtins.def : Add BUILT_IN_FREE.
5279 2007-01-12 Jan Hubicka <jh@suse.cz>
5281 PR tree-optimization/30443
5282 * tree-inline.c (tree_function_versioning): Do not optimize when
5283 cloning for inlining.
5285 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
5287 * doc/loop.texi: Document recording of loop exits.
5288 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
5289 (update_single_exits_after_duplication,
5290 update_single_exit_for_duplicated_loop,
5291 update_single_exit_for_duplicated_loops): Removed.
5292 (duplicate_loop_to_header_edge): Do not call
5293 update_single_exits_after_duplication and
5294 update_single_exit_for_duplicated_loops.
5295 (loop_version): Do not update single_exit information.
5296 (fix_loop_structure): Use record_loop_exits instead of
5297 mark_single_exit_loops.
5298 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
5299 the lists of loop exits.
5300 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
5301 split_edge, merge_blocks): Update the lists of loop exits.
5302 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
5303 loop_optimizer_init.
5304 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
5305 of mark_single_exit_loops.
5306 (loop_optimizer_finalize): Call release_recorded_exits.
5307 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
5308 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
5309 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
5310 update single exit information.
5311 * lambda-code.c (perfect_nestify): Ditto.
5312 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
5313 (mark_single_exit_loops): Removed.
5314 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
5315 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
5316 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
5317 functions.
5318 (get_loop_exit_edges, single_exit): Use recorded exit lists.
5319 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
5320 (verify_loop_structure): Verify consistency of the exit lists.
5321 (flow_loops_find): Use alloc_loop. Initialize exits hash.
5322 (set_single_exit): Removed.
5323 * cfgloop.h (struct loop_exit): New function.
5324 (struct loop): single_exit_ field replaced by exits field.
5325 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
5326 (struct loops): Added exits hash.
5327 (mark_single_exit_loops, set_single_exit): Declaration removed.
5328 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
5330 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5332 * doc/invoke.texi: Avoid use of @headitem.
5334 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5336 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
5338 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5340 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
5341 list of targets.
5343 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
5344 Richard Sandiford <richard@codesourcery.com>
5346 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
5347 * config/m68k/m68k.opt: Resort options.
5348 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
5350 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
5351 Richard Sandiford <richard@codesourcery.com>
5353 * doc/invoke.texi: Document the macros that are defined by
5354 m68k's -mtune and -mhard-float options.
5355 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
5356 (m68k_cpp_cpu_family): Likewise.
5357 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
5358 of __ucfv*__ macros. Define __mcffpu__ if generating code for
5359 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
5360 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
5361 (m68k_cpp_cpu_family): Likewise.
5363 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5365 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
5366 macros besides mc68000 as tuning macros. Use a switch statement
5367 to set them and mcpu32.
5369 2007-01-12 Julian Brown <julian@codesourcery.com>
5371 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
5372 (TARGET_68040_ONLY): Rename to...
5373 (TARGET_68040): ...this.
5374 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
5375 * config/m68k/m68k.md: Likewise.
5377 2007-01-12 Julian Brown <julian@codesourcery.com>
5378 Nathan Sidwell <nathan@codesourcery.com>
5379 Richard Sandiford <richard@codesourcery.com>
5381 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
5382 the -mcpu= argument associated with the --with-cpu setting.
5383 Define M68K_DEFAULT_TUNE to the default -mtune= option,
5384 if different from the one implied by the -mcpu setting.
5385 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
5386 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
5387 * doc/invoke.texi: Mention ColdFire in the introduction to the
5388 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
5389 -mno-div and -mhard-float options. Make -m68881 a synonym for
5390 -mhard-float. Document the previously-undocumented -m5206e,
5391 -m528x, -m5307 and -m5407 options. Tweak the existing option
5392 documentation for consistency.
5393 * doc/install.texi: Mention new --with-cpu arguments.
5394 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
5395 default CPU if neither -mcpu nor -march are specified.
5396 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
5397 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
5398 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
5399 using m68k_tune to decide between families that implement the
5400 same ISA. Use m68k_tune to set __mcfv4e__.
5401 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
5402 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
5403 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
5404 (FL_ISA_C, FL_ISA_MMU): New macros.
5405 (MASK_COLDFIRE): Delete.
5406 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
5407 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
5408 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
5409 (TARGET_HARD_FLOAT): Do not define here.
5410 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
5411 (TUNE_68000): New macro.
5412 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
5413 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
5414 (TUNE_CFV2): Redefine in terms of m68k_tune.
5415 (uarch_type, target_device, fpu_type): New enums.
5416 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
5417 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
5418 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
5419 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
5420 (FL_FOR_isa_c): New macros.
5421 (m68k_isa): New enum.
5422 (m68k_target_selection): New structure.
5423 (all_devices, all_isas, all_microarchs): New tables.
5424 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
5425 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
5426 (MASK_ALL_CPU_BITS): Delete.
5427 (m68k_find_selection): New function.
5428 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
5429 Map the legacy target options to a combination of the new ones.
5430 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
5431 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
5432 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
5433 settings.
5434 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
5435 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
5436 properties.
5437 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
5438 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
5439 * config/m68k/m68k-devices.def: New file.
5441 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5442 Nathan Sidwell <nathan@codesourcery.com>
5444 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
5445 (SUBTARGET_EXTRA_SPECS): New macros.
5446 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
5447 use %(asm_cpu_spec) instead.
5448 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
5449 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
5450 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
5451 (EXTRA_SPECS): Rename to...
5452 (SUBTARGET_EXTRA_SPECS): ...this.
5454 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
5455 Richard Sandiford <richard@codesourcery.com>
5456 Julian Brown <julian@codesourcery.com>
5458 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
5459 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
5460 to the configuration's default CPU.
5461 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
5462 Remove default masks.
5463 (m680[012]0-*-*): Set the default with_cpu to the first part of
5464 the target name.
5465 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
5466 (m68k*-*-linux): Extend the --with-cpu handling to...
5467 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
5468 and m68010. Don't set target_cpu_default2.
5469 * doc/install.texi: Document --with-cpu for m68k.
5470 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
5471 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
5472 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
5473 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
5474 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
5475 (ASM_SPEC): Remove use of %(asm_cpu_default).
5476 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
5477 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
5478 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
5479 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
5480 __HAVE_FPU__ if TARGET_HARD_FLOAT.
5481 (TARGET_DEFAULT): Delete.
5482 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
5483 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
5484 (CPP_CPU_SPEC): Delete.
5485 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
5486 the appropriate string.
5487 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
5488 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
5489 (ASM_SPEC): Don't use %(asm_default_spec).
5490 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5491 TARGET_DEFAULT and add MASK_68881.
5492 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
5494 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5496 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
5497 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
5498 MASK_68010 alongside MASK_68020.
5499 * doc/invoke.texi: Document -m68010.
5500 * config/m68k/m68k.opt (m68010): New.
5501 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
5502 if TUNE_68010.
5503 (TUNE_68010): New macro.
5504 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
5505 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
5506 (M68K_CPU_m68332): Add MASK_68010.
5507 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
5508 fallback definition.
5509 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
5510 defines.
5511 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
5512 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
5513 to all entries that use MASK_68020.
5514 (output_move_simode_const, output_move_himode, output_move_qimode)
5515 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
5516 instead of TARGET_68020 to select clr behavior. Remove comment
5517 about there being no TARGET_68010.
5518 * config/m68k/m68k.md: Likewise throughout.
5520 2007-01-12 Julian Brown <julian@codesourcery.com>
5522 * config/m68k/m68k.h (TARGET_ISAB): New macro.
5523 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
5524 * config/m68k/m68k.md: Likewise.
5526 2007-01-12 Julian Brown <julian@codesourcery.com>
5528 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
5529 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
5531 2007-01-12 Julian Brown <julian@codesourcery.com>
5533 * config/m68k/m68k.h (TUNE_68040_60): New macro.
5534 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
5535 * config/m68k/m68k.md: Likewise.
5537 2007-01-12 Julian Brown <julian@codesourcery.com>
5538 Richard Sandiford <richard@codesourcery.com>
5540 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
5541 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
5542 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
5543 TARGET_CPU32.
5544 (TARGET_CPU32): Rename to...
5545 (TUNE_CPU32): ...this.
5546 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
5547 (TUNE_CFV2): New macros.
5548 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
5549 remove conditions that are implied by TARGET_68020.
5550 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
5551 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
5552 (m68k_output_function_epilogue): Likewise.
5553 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
5554 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
5555 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
5556 non-68000 timings. Refactor multiplication and division costs.
5557 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
5558 TUNE_CPU32 instead of TARGET_CPU32.
5559 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
5560 and TUNE_68060 instead of TARGET_68060.
5561 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
5562 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
5563 TARGET_CPU32.
5564 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
5565 && !TARGET_COLDFIRE" to choose between moveq and clr.
5566 Likewise in the unnamed movsf pattern.
5567 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
5568 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
5569 ashiftrt pattern.
5571 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5573 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
5574 of tabbing before backslashes.
5576 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5578 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
5579 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
5580 (ASM_OUTPUT_INTERNAL_LABEL): Define.
5582 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
5584 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
5585 find_interesting_uses_cond.
5586 (find_interesting_uses_cond): Use extract_cond_operands.
5587 (rewrite_use_compare): Use extract_cond_operands and
5588 force_gimple_operand_bsi. Do not call update_stmt.
5589 (determine_use_iv_cost_condition): Use extract_cond_operands.
5590 Return cheaper of using original bound and changing the exit bound.
5592 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
5594 PR tree-optimization/29516
5595 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
5596 most_expensive_mult_to_index, addr_to_parts,
5597 create_mem_ref, maybe_fold_tmr): Make the type of
5598 fields of TARGET_MEM_REF sizetype.
5599 (move_fixed_address_to_symbol, move_pointer_to_base):
5600 New functions.
5601 * tree.def (TARGET_MEM_REF): Add comment on types of
5602 the operands.
5604 2007-01-11 Joseph Myers <joseph@codesourcery.com>
5606 * c-common.c (vector_types_convertible_p): Treat opaque types as
5607 always convertible if they have the same size, but not otherwise.
5609 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
5611 * ifcvt.c (struct noce_if_info): Add comments to the fields.
5612 Remove the b_unconditional field.
5613 (noce_try_sign_mask): Do not look at b_unconditional.
5614 (noce_process_if_block): Do not use merge_if_blocks. Update
5615 the CFG here. Do not set b_unconditional.
5616 (cond_move_process_if_block): Likewise.
5617 (find_cond_trap): Likewise.
5618 (check_cond_move_block): Require simple jump insns at the end
5619 of the basic block.
5621 2007-01-11 Jan Hubicka <jh@suse.cz>
5623 PR tree-optimization/1046
5624 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
5625 when alias info is not ready.
5626 (pass_tail_recursion): Do not require aliasing.
5627 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
5628 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
5629 * tree-ssa-copy.c (pass_copy_prop): Likewise.
5630 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5631 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
5632 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
5633 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
5634 before inlining.
5635 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
5636 When aliasing is not build, mark statement as volatile.
5638 2007-01-11 Tom Tromey <tromey@redhat.com>
5640 PR preprocessor/15185, PR preprocessor/20989:
5641 * doc/cppopts.texi <-MT>: Update description of algorithm for
5642 computing default target.
5643 <-M, -MD>: Reword "basename" text.
5645 2007-01-11 Roger Sayle <roger@eyesopen.com>
5647 * builtins.c (expand_builtin_pow, expand_builtin_powi,
5648 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
5649 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5650 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
5651 fold_builtin_bswap, real_constp, fold_builtin_pow,
5652 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
5653 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
5654 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5655 * convert.c (convert_to_pointer): Likewise.
5656 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
5657 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
5658 const_binop, fold_convert_const_int_from_int,
5659 fold_convert_const_int_from_real,
5660 fold_convert_const_real_from_real, sign_bit_p,
5661 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
5662 fold_sign_changed_comparison, fold_unary, fold_comparison,
5663 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
5664 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
5665 * print-tree.c (print_node_brief, print_node): Likewise.
5666 * stor-layout.c (place_field, layout_type): Likewise.
5667 * tree-chrec.c (keep_cast): Likewise.
5668 * tree.c (build_vector, build_real, build_real_from_int_cst,
5669 build_complex): Likewise.
5671 2007-01-11 Roger Sayle <roger@eyesopen.com>
5673 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
5674 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
5676 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
5678 * configure.ac (strict1_warn): Rename to strict_warn.
5679 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
5680 cc_set_by_configure, quoted_cc_set_by_configure,
5681 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
5682 all_boot_languages, all_stagestuff): Remove.
5683 (target_list): Remove bootstrap targets.
5684 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
5685 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
5686 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
5687 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
5688 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
5689 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
5690 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
5691 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
5692 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
5693 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
5694 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
5695 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
5696 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
5697 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
5698 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
5699 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
5700 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
5701 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
5702 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
5703 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
5704 (mostlyclean): Adjust.
5705 (clean, distclean): Don't mention bootstrap stuff.
5706 * configure: Regenerate.
5707 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
5708 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
5709 treelang/config-lang.in (stagestuff): Remove.
5710 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
5711 stageprofile, stagefeedback, stagestuff): Remove mention.
5713 2007-01-11 Nick Clifton <nickc@redhat.com>
5715 * config/mcore/predicates.md (mcore_general_movesrc_operand):
5716 Accept CONSTs.
5717 (mcore_general_movdst_operand): Do not accept CONST_INTs.
5718 (mcore_arith_K_S_operand): Run the test for the S constraint not
5719 the test for the M constraint.
5720 (mcore_addsub_operand): Do not accept integer values that are
5721 larger than 32 bits.
5722 * config/mcore/mcore.md: Remove unused constraints from split.
5723 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
5724 (addsi3): Likewise.
5725 (allocate_stack): Likewise.
5726 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
5727 operands to 32 bits.
5728 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
5729 INTVAL.
5730 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
5731 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
5732 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
5733 mcore_output_bclri, mcore_output_andn, output_inline_const,
5734 mcore_output_move, mcore_output_movedouble): Likewise.
5735 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
5736 (output_inline_const): Likewise.
5737 (output_inline_const): Fix format strings used in sprintf
5738 statements.
5739 * config/mcore/mcore-protos.h: Update prototypes for changed
5740 functions in mcore.c.
5741 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
5742 HOST_WIDE_INT and not int.
5743 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
5744 CONST_OK_FOR_N): Likewise.
5745 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
5746 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
5747 an INTVAL.
5749 2007-01-10 Jan Hubicka <jh@suse.cz>
5751 * tree-vrp.c (remove_range_assertions): Release defs.
5752 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
5753 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5755 2007-01-10 Paul Brook <paul@codesourcery.com>
5757 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5758 * config/arm/arm.md (mulsi3subsi): New insn.
5760 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
5762 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5763 (tree_transform_and_unroll_loop): New.
5764 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5765 Declare.
5767 2007-01-10 Robert Kennedy <jimbob@google.com>
5769 * fold-const.c (fold_comparison): Fold comparisons like (x *
5770 1000 < 0) to (x < 0).
5772 2007-01-10 Ian Lance Taylor <iant@google.com>
5774 * tree-pretty-print.c (dump_generic_node): Print parentheses when
5775 operands have the same priority.
5777 2007-01-10 Tom Tromey <tromey@redhat.com>
5779 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5780 (fold_binary): Likewise.
5781 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5782 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5783 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5784 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5785 * langhooks.h (struct lang_hooks): Removed field
5786 'can_use_bit_fields_p'.
5788 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
5790 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5792 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
5794 * function.c (get_last_funcdef_no): New function.
5795 * function.h (get_last_funcdef_no): Declare.
5796 * tree-inline.c (initialize_cfun): Add initialization.
5797 (tree_function_versioning): Cleanup.
5799 2007-01-10 Jan Hubicka <jh@suse.cz>
5801 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5802 PHIs.
5804 2007-01-10 Sa Liu <saliu@de.ibm.com>
5805 Ben Elliston <bje@au.ibm.com>
5807 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5808 for SAVE_NONLOCAL and Pmode for any other save level.
5809 * spu-protos.h (spu_restore_stack_block): Declare.
5810 * spu.md (save_stack_block): Remove.
5811 (restore_stack_block): Call spu_restore_stack_block.
5812 * spu.c (spu_restore_stack_block): New function.
5813 (spu_expand_epilogue): Remove old comment.
5815 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
5817 PR tree-optimization/30322
5818 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5819 (cand_value_at): Return the value as aff_tree.
5820 (may_eliminate_iv): Convert the bound from aff_tree to tree.
5821 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5822 aff_combination_mult): New functions.
5823 (aff_combination_add): Use aff_combination_add_cst.
5824 (aff_combination_convert): Allow conversions to a wider type.
5825 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5826 * tree-affine.h (aff_combination_mult): Declare.
5828 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
5830 * doc/tm.texi: Update documentation to reflect reality of exec
5831 and start file search behaviours. Update copyright year.
5832 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5833 header file directories.
5835 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
5837 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5838 (*cosxf2): Rename to cosxf2_i387.
5839 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
5840 using X87MODEF12 mode macro. Rename patterns to
5841 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
5842 for SSE math.
5843 (*cosdf2, *cossf2): Ditto.
5844 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
5845 to match extended input operands.
5846 (sincos<mode>3): New expander.
5847 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
5848 insn patterns and corresponding splitters.
5850 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
5852 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
5853 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
5855 2007-01-09 Nicolas Pitre <nico@cam.org>
5857 PR target/30173
5858 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
5860 2007-01-08 Geoffrey Keating <geoffk@apple.com>
5862 * target.h (struct gcc_target): New field library_rtti_comdat.
5863 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
5864 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
5865 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
5866 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
5868 2007-01-08 Geoffrey Keating <geoffk@apple.com>
5870 * doc/invoke.texi (Optimize Options): Correct description of -O0.
5872 2007-01-08 Richard Guenther <rguenther@suse.de>
5874 * tree.h (force_fit_type_double): Export.
5875 (force_fit_type): Remove.
5876 * fold-const.c (force_fit_type_double): New function.
5877 (force_fit_type): Remove.
5878 (int_const_binop): Use it.
5879 (fold_convert_const_int_from_int): Likewise.
5880 (fold_convert_const_int_from_real): Likewise.
5881 (fold_div_compare): Likewise.
5882 (fold_sign_changed_comparison): Likewise.
5883 (fold_unary): Likewise.
5884 (fold_negate_const): Likewise.
5885 (fold_abs_const): Likewise.
5886 (fold_not_const): Likewise.
5887 * c-common.c (shorten_compare): Use force_fit_type_double.
5888 * convert.c (convert_to_pointer): Likewise.
5890 2007-01-08 Richard Guenther <rguenther@suse.de>
5892 * tree.h (build_int_cst_wide_type): Export.
5893 * tree.c (build_int_cst_wide_type): New function.
5894 (build_int_cst_wide): Fix comment.
5895 * builtins.c (fold_builtin_object_size): Use build_int_cst
5896 to build -1 or 0 of the correct type. Use fit_double_type
5897 to check for overflow.
5898 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
5899 to build the mask.
5900 (decode_field_reference): Likewise.
5901 (all_ones_mask_p): Likewise.
5902 (native_interpret_int): Use build_int_cst_wide_type.
5903 (fold_binary): Use build_int_cst_type to build an all-ones
5904 value.
5905 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
5907 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
5909 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
5911 2007-01-09 Ben Elliston <bje@au.ibm.com>
5913 * genautomata.c (STATS_OPTION): New option.
5914 (stats_flag): New flag.
5915 (gen_automata_option): Handle it.
5916 (initiate_automaton_gen): Ditto.
5917 (write_automata): Output statistics only if stats_flag is
5918 set. Likewise, output time statistics only if time_flag is set.
5919 * doc/md.texi (Processor pipeline description): Document new flag.
5921 2007-01-08 Richard Guenther <rguenther@suse.de>
5923 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
5924 * tree.c (build_int_cst_type): Likewise.
5925 (size_in_bytes): Don't call force_fit_type on the result.
5926 (int_fits_type_p): Use fit_double_type.
5927 * fold-const.c (fit_double_type): New function.
5928 (force_fit_type): Use it.
5929 * tree.h (fit_double_type): Export.
5931 2007-01-08 Jan Hubicka <jh@suse.cz>
5933 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
5934 * ipa.c (function_and_variable_visibility): Fix return type.
5936 2007-01-08 Richard Guenther <rguenther@suse.de>
5938 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
5939 of offset to build the index.
5940 * tree-pretty-print.c (dump_generic_node): Don't build negated
5941 const just for printing.
5942 * c-pretty-print.c (pp_c_integer_constant): Likewise.
5943 * builtins.c (fold_builtin_int_roundingfn): Check if result
5944 fits the type by using force_fit_type and comparing the result.
5945 * predict.c (predict_loops): Use compare_tree_int for comparison.
5946 * tree.c (build_int_cst): Fall back to integer_type_node for
5947 NULL_TREE type.
5948 (build_int_cst_wide): Assert type is non-null.
5950 2007-01-08 Roberto Costa <roberto.costa@st.com>
5952 * tree-vrp.c (extract_range_from_cond_expr): New.
5953 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
5954 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
5955 as expressions.
5956 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
5957 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
5958 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
5959 used as expressions.
5960 * tree-object-size.c (cond_expr_object_size): New.
5961 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
5963 2007-01-08 Jan Hubicka <jh@suse.cz>
5965 * tree-ssa-forwprop.c (forward_propagate_into_cond,
5966 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
5967 statement.
5969 2007-01-08 Richard Guenther <rguenther@suse.de>
5971 PR tree-optimization/23603
5972 * tree-vrp.c (set_value_range_to_truthvalue): New function.
5973 (extract_range_from_binary): Fall back to truthvalue instead of
5974 varying for TRUTH_*_EXPR.
5975 (extract_range_from_comparison): Fall back to truthvalue instead of
5976 varying.
5977 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
5978 if all visited PHI values were constant.
5980 2007-01-08 Jan Hubicka <jh@suse.cz>
5982 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
5983 (cgraph_analyze_function): break out from ...
5984 (cgraph_finalize_compilation_unit): ... here.
5985 (cgraph_expand_function): Remove forgoten commented out line.
5986 (cgraph_optimize): Analyze functions.
5988 2007-01-08 Jan Hubicka <jh@suse.cz>
5990 * tree-pas.h (TODO_remove_function): New flag.
5991 (TODO_update*): Renumber.
5992 (pass_ipa_increase_alignment,
5993 pass_ipa_function_and_variable_visibility): New passes.
5994 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
5995 (cgraph_function_and_variable_visibility): Move to ipa.c
5996 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
5997 cgraph_increase_alignment.
5998 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
5999 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
6000 calling tree-inline.
6001 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
6002 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
6003 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
6004 (gate_increase_alignment): New function.
6005 (pass_ipa_increase_alignment): New pass.
6006 * ipa.c: Inline tree-pass.h and timevar.h
6007 (function_and_variable_visibility): Move here from cgraphunit.c
6008 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
6009 * passes.c (init_optimization_passes): Add the two new passes.
6010 (execute_todo): Handle cgraph_remove_functions.
6012 2007-01-08 Nick Clifton <nickc@redhat.com>
6014 * config/frv/predicates.md (reg_or_0_operand): Accept
6015 CONST_DOUBLEs.
6017 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
6019 * config/bfin/rtems.h, config/bfin/t-rtems: New.
6020 * config.gcc: Add bfin*-rtems*.
6022 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
6024 * c.opt: Add -flax-vector-conversions.
6025 * c-typeck.c (convert_for_assignment): Pass flag to
6026 vector_types_convertible_p to allow emission of note.
6027 (digest_init): Likewise.
6028 * c-opts.c: Handle -flax-vector-conversions.
6029 * c-common.c (flag_lax_vector_conversions): New.
6030 (vector_types_convertible_p): Unless -flax-vector conversions
6031 has been passed, disallow conversions between vectors with
6032 differing numbers of subparts and/or element types. If such
6033 a conversion is disallowed, possibly emit a note on the first
6034 occasion only to inform the user of -flax-vector-conversions.
6035 The new last argument specifies this.
6036 * c-common.h (flag_lax_vector_conversions): New.
6037 (vector_types_convertible_p): Add extra argument.
6038 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
6039 char_type_node for V*QI type vectors.
6040 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
6041 Update to satisfy new typechecking rules.
6042 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
6043 C and C++ variants.
6044 * doc/invoke.texi (C Dialect Options): Document
6045 -flax-vector-conversions.
6047 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
6049 PR tree-optimization/29877
6050 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
6051 a register variable on the RHS to not be replaceable.
6053 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
6054 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
6055 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
6056 const_simm15, const_pow2, const_npow2): Added.
6057 * config/score/misc.md (insv, extv, extzv, movmemsi,
6058 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
6059 * config/score/score.c (score_address_cost, score_select_cc_mode):
6060 Added.
6061 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
6062 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
6063 Update score_print_operand.
6064 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
6065 Adjust register allocate order and update some macro define.
6066 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
6067 mdx_block_move_straight, mdx_block_move_loop_head,
6068 mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
6069 mdx_block_move): Added.
6070 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
6071 mdp_limm): Updated and fix some bug and typo.
6072 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
6073 (movsf, movdf, doloop_end): Added.
6075 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
6077 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
6078 config/arm/thumb2.md: Fix comment typos.
6079 * doc/extend.texi: Fix a typo.
6081 2007-01-07 Eric Christopher <echristo@apple.com>
6083 * configure.ac: Check for __stack_chk_fail for darwin.
6084 * configure: Regenerate.
6086 2007-01-07 Richard Guenther <rguenther@suse.de>
6088 * tree-vrp.c (extract_range_from_assert): CSE calls to
6089 compare_values where possible.
6090 (extract_range_from_unary_expr): Likewise.
6092 2007-01-07 Anatoly Sokolov <aesok@post.ru>
6094 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
6095 * config/avr/avr.c (call_insn_operand): Delete function.
6096 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
6097 instead of register number. Use predicates.
6098 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
6099 call_insn_operand): Add.
6101 2007-01-06 Jan Hubicka <jh@suse.cz>
6103 * tree-pass.h (pass_build_cgraph_edges): Declare.
6104 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
6105 (visited_nodes): Remove.
6106 (cgraph_create_edges): Move to cgraphbuild.c; rename to
6107 build_cgrpah_edges; make visited_nodes local.
6108 (cgraph_process_new_functions): DO not call initialize_inline_failed.
6109 (record_references_in_initializer): Move to cgraphbuild.c
6110 (initialize_inline_failed, rebuild_cgraph_edges,
6111 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
6112 (verify_cgraph_node): Make visited_nodes local.
6113 (cgraph_analyze_function): Do not call cgraph_create_edges and
6114 initialize_inline_failed.
6115 (cgraph_expand_function): Do not call cgraph_lower_function;
6116 assert that function is already lowered.
6117 * Makefile.in (cgraphbuild.o): New.
6118 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
6119 at the end of lowering passes.
6121 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
6123 * ifcvt.c (cond_move_convert_if_block): New function, code
6124 factored out from...
6125 (cond_move_process_if_block): ...here. Call the new function
6126 on the THEN and ELSE blocks.
6127 (merge_if_block): Do not copy global_live_at_end, merge_blocks
6128 already takes care of this.
6130 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6132 PR c/19978
6133 * tree.h (TREE_OVERFLOW_P): New.
6134 * c-typeck.c (parser_build_unary_op): Warn only if result
6135 overflowed and operands did not.
6136 (parser_build_binary_op): Likewise.
6137 (convert_for_assignment): Remove redundant overflow_warning.
6138 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
6140 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6142 * c-typeck.c (store_init_value): Split over two lines to follow
6143 the GNU coding style.
6145 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
6147 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
6148 __GXX_EXPERIMENTAL_CXX0X__.
6149 * doc/cpp.texi: Same.
6151 2007-01-05 Richard Guenther <rguenther@suse.de>
6153 PR middle-end/27826
6154 * tree.c (get_narrower): Do not construct COMPONENT_REFs
6155 with mismatched types. Instead explicitly build a
6156 conversion NOP_EXPR.
6158 2007-01-05 Ian Lance Taylor <iant@google.com>
6160 * c-common.c (decl_with_nonnull_addr_p): New function.
6161 (c_common_truthvalue_conversion): Call it.
6162 * c-typeck.c (build_binary_op): Likewise.
6163 * c-common.h (decl_with_nonnull_addr_p): Declare.
6165 2007-01-05 Jakub Jelinek <jakub@redhat.com>
6167 PR c/30360
6168 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
6169 denom against 0.0.
6171 2007-01-05 Joel Brobecker <brobecker@adacore.com>
6173 * doc/install.texi (Final install): Document the fact that
6174 the GNAT runtime should not be stripped.
6176 2007-01-04 Jan Hubicka <jh@suse.cz>
6178 * tree-inline.c (fold_marked_statements): Update operand caches
6179 and EH after folding
6181 2007-01-04 Ian Lance Taylor <iant@google.com>
6183 * c-common.c (check_function_nonnull): Whitespace fix.
6185 2007-01-04 Jan Hubicka <jh@suse.cz>
6187 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
6188 comitted older version of patch.
6189 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
6190 function, celanup cfg and collect garbage.
6192 2007-01-04 Mike Stump <mrs@apple.com>
6194 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
6195 (clean): Likewise.
6197 2007-01-04 Eric Christopher <echristo@apple.com>
6199 * libgcc2.c (__bswapsi2): Use SItype.
6200 (__bswapdi2): Use DItype.
6201 * libgcc2.h: Update for above.
6203 2007-01-04 Paul Brook <paul@codesourcery.com>
6205 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
6206 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
6207 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
6208 umulsidi3, umulsidi3adddi, smulsi3_highpart,
6209 umulsi3_highpart): Make conditional on !arm_arch6.
6210 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
6211 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
6212 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
6213 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
6214 umulsi3_highpart_v6): New insns.
6216 2007-01-04 Roger Sayle <roger@eyesopen.com>
6218 * fold-const.c (fold_convert): When casting an expression to void,
6219 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
6220 have a type. Instead of attempting to build a NOP_EXPR, return
6221 these "special" trees directly.
6223 2007-01-04 Joseph Myers <joseph@codesourcery.com>
6225 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
6226 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
6227 rs6000_cost->fp not 0 as adjustment for outer NEG.
6229 2007-01-04 Jan Hubicka <jh@suse.cz>
6231 * cgraph.c (cgraph_release_function_body): New function.
6232 (cgraph_remove_node): Use it.
6233 * cgraph.h (cgraph_release_function_body): Declare.
6234 * cgraphunit.c (cgraph_expand_function): Use it.
6235 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
6236 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
6237 is initialized and while compilation of other function is running.
6238 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
6239 statement CFG annotations from here to ...
6240 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
6242 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
6244 * cfgloop.h (enum li_flags): Make the constants powers of two.
6246 2007-01-04 Jan Hubicka <jh@suse.cz>
6248 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
6249 set.
6250 (fold_marked_statements): New function.
6251 (optimize_inline_calls, tree_function_versioning): Fold new statements.
6252 * tree-inline.h (copy_body_data): Add statements_to_fold.
6254 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
6256 * config.gcc: Mention libgcc/config.host.
6257 * Makefile.in: Update comments mentioning libgcc.
6258 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
6259 (all.cross, start.encap, rest.encap, rest.cross): Update
6260 dependencies for libgcc move.
6261 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
6262 (clean-target, clean-target-libgcc): Delete.
6263 (srcdirify, GCC_EXTRA_PARTS): New macros.
6264 (libgcc-support, libgcc.mvars): New rules.
6265 (distclean): Remove mention of mklibgcc.
6266 (install): Don't reference INSTALL_LIBGCC.
6267 (install-common): Don't reference EXTRA_PARTS.
6268 (install-libgcc, install-multilib): Delete rules.
6269 * mklibgcc.in: Delete file.
6270 * doc/configfiles.texi: Don't mention mklibgcc.
6272 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
6273 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
6274 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
6275 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
6276 (mklibgcc, ldblspecs): Likewise.
6278 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
6279 (posixpre.def): Use $(T).
6280 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
6281 (SHLIB_SRC, SHLIB_INSTALL): Delete.
6282 (SHLIB_LINK): Make dummy.
6283 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
6285 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
6287 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
6288 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
6289 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
6290 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
6292 * configure.ac (all_outputs): Remove mklibgcc.
6293 * configure: Regenerated.
6295 2007-01-03 Josh Conner <jconner@apple.com>
6297 PR middle-end/29683
6298 * calls.c (compute_argument_addresses): Set stack and stack_slot
6299 for partial args, too.
6300 (store_one_arg): Use locate.size.constant for the size when
6301 generating a save_area.
6303 2007-01-03 Robert Kennedy <jimbob@google.com>
6305 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
6306 whose definitions are deleted due to basic block merging.
6308 2007-01-03 Paul Brook <paul@codesourcery.com>
6310 PR target/16634
6311 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
6312 functions.
6313 (use_return_insn): Return 0 for Thumb interrupt functions.
6314 (print_multi_reg): Add rfe argument for IRQ returns.
6315 (arm_output_epilogue): Pop interrupt return address directly into PC.
6316 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
6318 2007-01-03 Paul Brook <paul@codesourcery.com>
6320 Merge from sourcerygxx-4_1.
6321 * config/arm/thumb2.md: New file.
6322 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
6323 Thumb-2.
6324 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
6325 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6326 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
6327 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
6328 tables.
6329 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6330 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
6331 comptibility.
6332 * config/arm/ieee754-sf.S: Ditto.
6333 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
6334 (thumb1_base_register_rtx_p): ... to this.
6335 (thumb_index_register_rtx_p): Rename...
6336 (thumb1_index_register_rtx_p): ... to this.
6337 (thumb_output_function_prologue): Rename...
6338 (thumb1_output_function_prologue): ... to this.
6339 (thumb_legitimate_address_p): Rename...
6340 (thumb1_legitimate_address_p): ... to this.
6341 (thumb_rtx_costs): Rename...
6342 (thumb1_rtx_costs): ... to this.
6343 (thumb_compute_save_reg_mask): Rename...
6344 (thumb1_compute_save_reg_mask): ... to this.
6345 (thumb_final_prescan_insn): Rename...
6346 (thumb1_final_prescan_insn): ... to this.
6347 (thumb_expand_epilogue): Rename...
6348 (thumb1_expand_epilogue): ... to this.
6349 (arm_unwind_emit_stm): Rename...
6350 (arm_unwind_emit_sequence): ... to this.
6351 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
6352 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
6353 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
6354 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
6355 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
6356 thumb2_output_casesi): New functions.
6357 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
6358 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
6359 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
6360 THUMB2_WORK_REGS): Define.
6361 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
6362 arm_condexec_mask, arm_condexec_masklen)): New variables.
6363 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
6364 (arm_override_options): Check new CPU capabilities.
6365 Set new architecture flag variables.
6366 (arm_isr_value): Handle v7m interrupt functions.
6367 (user_return_insn): Return 0 for v7m interrupt functions. Handle
6368 Thumb-2.
6369 (const_ok_for_arm): Handle Thumb-2 constants.
6370 (arm_gen_constant): Ditto. Use movw when available.
6371 (arm_function_ok_for_sibcall): Return false for v7m interrupt
6372 functions.
6373 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
6374 (thumb_find_work_register, arm_load_pic_register,
6375 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
6376 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
6377 print_multi_reg, output_mov_long_double_fpa_from_arm,
6378 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
6379 output_mov_double_fpa_from_arm, output_move_double,
6380 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
6381 output_return_instruction, arm_output_function_prologue,
6382 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
6383 arm_output_mi_thunk, thumb_set_return_address): Ditto.
6384 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
6385 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
6386 (arithmetic_instr, shift_op): Use arm_shift_nmem.
6387 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
6388 '!' and 'L'.
6389 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
6390 (thumb_expand_prologue): Use thumb_set_frame_pointer.
6391 (arm_file_start): Output directive for unified syntax.
6392 (arm_unwind_emit_set): Handle stack alignment instruction.
6393 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
6394 Add v6t2, v7, v7a, v7r and v7m.
6395 (RETLDM): Add Thumb-2 code.
6396 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
6397 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
6398 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
6399 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
6400 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
6401 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
6402 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
6403 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
6404 ADJUST_INSN_LENGTH): Define.
6405 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
6406 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
6407 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
6408 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
6409 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6410 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
6411 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
6412 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
6413 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
6414 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
6415 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
6416 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
6417 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
6418 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
6419 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
6420 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
6421 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
6422 cortex-m3.
6423 * config/arm/arm-tune.md: Regenerate.
6424 * config/arm/arm-protos.h: Update prototypes.
6425 * config/arm/vfp.md: Enable patterns for Thumb-2.
6426 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
6427 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
6428 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
6429 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
6430 * config/arm/libunwind.S: Add Thumb-2 code.
6431 * config/arm/constraints.md: Update include Thumb-2.
6432 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
6433 * config/arm/ieee754-df.S: Ditto.
6434 * config/arm/bpabi.S: Ditto.
6435 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
6436 * config/arm/predicates.md (low_register_operand,
6437 low_reg_or_int_operand, thumb_16bit_operator): New.
6438 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
6439 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
6440 * config/arm/t-arm-elf: Add armv7 multilib.
6441 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
6442 Include thumb2.md.
6443 (UNSPEC_STACK_ALIGN, ce_count): New.
6444 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
6445 arm_zero_extendsidi2, arm_zero_extendqidi2): New
6446 insns/expanders.
6447 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
6448 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
6449 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
6450 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
6451 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
6452 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
6453 insns.
6454 * doc/extend.texi: Document ARMv7-M interrupt functions.
6455 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
6457 2007-01-03 Jakub Jelinek <jakub@redhat.com>
6459 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
6460 (struct _Unwind_Context): Rename args_size to flags, remove
6461 signal_frame field, add a new args_size field and version field.
6462 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
6463 _Unwind_IsExtendedContext): New inline functions.
6464 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6465 Assume by_value array is only present if _Unwind_IsExtendedContext.
6466 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
6467 _Unwind_IsSignalFrame.
6468 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
6469 (uw_update_context_1): Use _Unwind_SetSignalFrame.
6470 (uw_init_context_1): Initialize context->flags to
6471 EXTENDED_CONTEXT_BIT.
6472 * config/rs6000/linux-unwind.h (frob_update_context): Use
6473 _Unwind_SetSignalFrame.
6475 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
6477 PR middle-end/30353
6478 * gimplify.c (gimplify_modify_expr_complex_part): Move below
6479 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
6480 the value.
6482 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
6484 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
6485 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
6486 RET, AT_SP): Remove.
6487 * config/i386/i386.md (*sse_prologue_save_insn): Use return
6488 instead of RET.
6490 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6491 * cfgbuild.c (find_basic_blocks): Likewise.
6492 * cfgrtl.c (rtl_create_basic_block): Likewise.
6493 * function.c (temp_slots_at_level): Likewise.
6494 * reg-stack.c (stack_regs_mentioned): Likewise.
6495 * regclass.c (allocate_reg_info): Likewise.
6496 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6497 set_bb_for_stmt, move_block_to_fn): Likewise.
6498 * tree-complex.c (tree_lower_complex): Likewise.
6499 * vec.h (VEC_safe_grow_cleared): New.
6501 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
6503 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
6505 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
6506 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
6507 to loop_version.
6508 * cfgloopmanip.c (scale_loop_frequencies): Export.
6509 (loopify): Scale the frequencies by prescribed coefficients.
6510 (set_zero_probability): New function.
6511 (duplicate_loop_to_header_edge): Improve updating of frequencies.
6512 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
6513 and frequencies according to arguments.
6514 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
6515 correctly.
6516 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
6517 * modulo-sched.c (sms_schedule): Set probabilities for entering
6518 versioned loop correctly.
6519 * tree-vect-transform.c (vect_transform_loop): Ditto.
6520 * cfgloop.h (loopify, loop_version): Declaration changed.
6521 (scale_loop_frequencies): Declared.
6523 2007-01-02 Jan Hubicka <jh@suse.cz>
6525 * cgraph.c: Include tree-flow.h
6526 (cgraph_add_new-function): Handle IPA_SSA mode; execute
6527 early_local_passes.
6528 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
6529 * tree-pass.h (pass_all_early_optimizations): Declare.
6530 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
6531 early_local_passes.
6532 (cgraph_analyze_function): Do early_local_passes.
6533 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6534 Do not add referenced vars.
6535 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
6536 SSA form.
6537 (gate_all_early_local_passes): New gate.
6538 (pass_early_local_passes): Use new gate.
6539 (execute_early_local_optimizations): New functions.
6540 (gate_all_early_optimizations): New gate.
6541 (pass_all_early_optimizations): New pass.
6542 (execute_free_datastructures): Free SSA only when initialized.
6543 (gate_init_datastructures): Init only when optimizing.
6544 (tree_lowering_passes): Do early local passes when called late.
6545 * tree-profile.c (do_tree_profiling): Don't profile functions added
6546 late.
6547 (do_early_tree_profiling, pass_early_tree_profile): Kill.
6548 * tree-cfg.c (update_modified_stmts): Do not update when operands are
6549 not active.
6550 * passes.c (init_optimizations_passes): Reorder so we go into SSA
6551 during early_local_passes.
6552 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
6555 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
6557 * Makefile.in: Update copyright year.
6559 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
6561 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
6562 in $(lang_checks) and check-consistency targets.
6564 2007-01-02 Jan Hubicka <jh@suse.cz>
6566 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6567 Do not add referenced vars.
6568 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
6569 are not active.
6570 * passes.c (init_optimization_passes): Put mudflap_2 after
6571 free_datastructures.
6573 2007-01-02 Jan Hubicka <jh@suse.cz>
6575 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
6576 Set NOTHROW flag on call statements proved to be nothrow.
6577 Update statement of local calls so new pure/const functions are
6578 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
6579 goto receivers.
6580 (tree_rest_of_compilation): Register hooks and initialize bitmap
6581 early. Do not set after_inlining flag.
6583 2007-01-02 Steve Ellcey <sje@cup.hp.com>
6585 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
6586 HOST_BITS_PER_LONGLONG
6588 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6590 PR c/19977
6591 * c-typeck.c (store_init_value): Don't emit pedantic overflow
6592 warning for non-static initializers.
6594 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
6596 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
6597 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
6598 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
6599 Always use set_unique_reg_note to add REG_EQUAL notes.
6601 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
6603 Revert:
6604 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
6606 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6607 * cfgbuild.c (find_basic_blocks): Likewise.
6608 * cfgrtl.c (rtl_create_basic_block): Likewise.
6609 * function.c (temp_slots_at_level): Likewise.
6610 * reg-stack.c (stack_regs_mentioned): Likewise.
6611 * regclass.c (allocate_reg_info): Likewise.
6612 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6613 set_bb_for_stmt, move_block_to_fn): Likewise.
6614 * tree-complex.c (tree_lower_complex): Likewise.
6615 * vec.h (VEC_safe_grow_cleared): New.
6617 2007-01-02 Ian Lance Taylor <iant@google.com>
6619 * c-common.c (c_common_truthvalue_conversion): When warning about
6620 using an assignment as a truth value, set TREE_NO_WARNING.
6622 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6624 PR middle-end/7651
6625 * c.opt (Wold-style-declaration): New.
6626 * doc/invoke.texi (C-only Warning Options): New.
6627 (Wold-style-declaration): Document it.
6628 (Wextra): Enabled by -Wextra.
6629 * c-opts.c (c_common_post_options): Enabled by -Wextra.
6630 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
6631 -Wold-style-declaration.
6633 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
6635 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6636 * cfgbuild.c (find_basic_blocks): Likewise.
6637 * cfgrtl.c (rtl_create_basic_block): Likewise.
6638 * function.c (temp_slots_at_level): Likewise.
6639 * reg-stack.c (stack_regs_mentioned): Likewise.
6640 * regclass.c (allocate_reg_info): Likewise.
6641 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6642 set_bb_for_stmt, move_block_to_fn): Likewise.
6643 * tree-complex.c (tree_lower_complex): Likewise.
6644 * vec.h (VEC_safe_grow_cleared): New.
6646 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
6648 * c-common.c (c_common_nodes_and_builtins): Since variants of
6649 void_type_node get built before it is given a name, we need to
6650 give those variants the name, too.
6651 (complete_array_type): We need to work with the canonical main
6652 type of the array, from which we will build the qualified version.
6653 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
6654 * print-tree.c (print_node): Display canonical type information
6655 for each type.
6656 * stor-layout.c (layout_type): When we don't know the
6657 alignment of a type for which we're building an array, we end up
6658 guessing wrong, so make the type require structural equality.
6659 * tree.c (make_node_stat): When we build a new type, it is its
6660 own canonical type.
6661 (build_type_attribute_qual_variant): When building an attribute
6662 variant, its canonical type is the non-attribute variant. However,
6663 if the attributes are target-dependent and they differ, we need to
6664 use structural equality checks for this type.
6665 (build_qualified_type): A qualified type is not equivalent to its
6666 unqualified variant; set the canonical type appropriately.
6667 (build_distinct_type_copy): When building a distinct type from
6668 another type, the new type is its own canonical type.
6669 (build_variant_type_copy): When building a new type variant, we
6670 assume that it is equivalent to the original type.
6671 (build_pointer_type_for_mode): When building a pointer type, also
6672 build a canonical type pointer.
6673 (build_reference_type_for_mode): When building a reference type,
6674 also build a canonical type reference.
6675 (build_index_type): When we can't hash an index type (e.g.,
6676 because its maximum value is negative), the index type requires
6677 structural equality tests.
6678 (build_array_type): Build the canonical form of an array type.
6679 (build_function_type): Function types require structural equality,
6680 because they contain default arguments, attributes, etc.
6681 (build_method_type_directly): Ditto for method types.
6682 (build_offset_type): Build the canonical offset type.
6683 (build_complex_type): Build the canonical vector type.
6684 (make_vector_type): Build the canonical vector type.
6685 * tree.h (TYPE_CANONICAL): New.
6686 (TYPE_STRUCTURAL_EQUALITY_P): New.
6687 (SET_TYPE_STRUCTURAL_EQUALITY): New.
6688 (struct tree_type): Added "canonical" field.
6689 * params.h (VERIFY_CANONICAL_TYPES): New.
6690 * doc/c-tree.texi (TYPE_CANONICAL): Document.
6691 (TYPE_STRUCTURAL_EQUALITY_P): Document.
6692 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
6693 * doc/invoke.texi (verify-canonical-types): Document --param
6694 parameter for verifying canonical types.
6696 2007-01-02 Joseph Myers <joseph@codesourcery.com>
6698 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
6699 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
6700 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
6701 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
6702 tm_file.
6703 * config/rs6000/e500.h: New.
6704 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
6705 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
6706 Remove.
6707 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
6708 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
6709 TARGET_E500_DOUBLE): Remove.
6710 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
6711 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
6712 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
6713 * config/rs6000/rs6000.c (rs6000_override_options): Use
6714 CHECK_E500_OPTIONS.
6716 2007-01-02 Joseph Myers <joseph@codesourcery.com>
6718 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
6719 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
6720 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
6721 rs6000_emit_cmove): Don't check TARGET_E500.
6722 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
6723 sordered): Don't check TARGET_E500.
6725 2007-01-01 Eric Christopher <echristo@apple.com>
6727 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
6728 HARD_REGISTER_NUM_P.
6730 2007-01-01 Roger Sayle <roger@eyesopen.com>
6732 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
6733 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
6734 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
6735 eq/ne Y".
6737 2007-01-01 Mike Stump <mrs@apple.com>
6739 * configure.ac: Remove support for building with Apple's gcc-3.1.
6741 2007-01-02 Joseph Myers <joseph@codesourcery.com>
6743 PR middle-end/30311
6744 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
6745 REG is a hard register. Do not modify REG before calling
6746 subreg_nregs.
6747 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
6748 multiple of the size of YMODE for certain lowpart cases.
6750 2007-01-01 Andrew Pinski <pinskia@gmail.com>
6752 PR middle-end/30253
6753 * gimplify (voidify_wrapper_expr): Update for
6754 GIMPLE_MODIFY_STMT.
6756 2007-01-01 Andreas Schwab <schwab@suse.de>
6758 PR target/29166
6759 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6760 save of BR0 in extra_spill_size instead of spill_size.
6761 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6762 area.
6763 (ia64_expand_epilogue): Restore BR0 from its new location.
6765 2007-01-01 Andrew Pinski <pinskia@gmail.com>
6767 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6768 Use a temporary variable if the left hand side is not a gimple
6769 register.
6771 2007-01-01 Andrew Pinski <pinskia@gmail.com>
6773 * gimplify.c (gimplify_return_expr): Make the temporary variable
6774 for the return expression, a gimple register variable.
6776 2007-01-01 Jan Hubicka <jh@suse.cz>
6778 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6779 INSN_LIST.
6781 2007-01-01 Mike Stump <mrs@apple.com>
6783 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6784 .literal16.
6785 * config/darwin.c (machopic_select_rtx_section): Use
6786 HAVE_GAS_LITERAL16.
6787 (darwin_mergeable_constant_section): Likewise.
6788 * configure: Regenerate.
6789 * config.in: Regenerate.
6791 2007-01-01 Jan Hubicka <jh@suse.cz>
6792 Andrew Pinski <pinskia@gmail.com>
6794 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6795 before starting IPA passes.