| blob | a9070cc046fcd4031523a159f09e3a259f6764fe |
1 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
3 * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
5 * config/bfin/bfin.c: Include "cfglayout.h".
6 (MAX_LSETUP_DISTANCE): New macro.
7 (struct loop_info): New members incoming, incoming_src and
8 incoming_dest. Delete member predecessor.
9 (length_for_loop): New function.
10 (bfin_optimize_loop): Handle more different loop structures.
11 (bfin_discover_loop): Rework detection of predecessor blocks by
12 examining incoming edges.
13 (bfin_discover_loops, bfin_free_loops): New functions, broken out of
14 bfin_reorg_loops.
15 (bfin_reorder_loops): New function.
16 (bfin_reorg_loops): Use these three new functions.
18 * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
19 REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
20 (CONSTRAINT_LEN): Add entry for 'q'.
21 (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
22 Add 'q' constraints.
23 (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
24 (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
26 * config/bfin/bfin.md (add_with_carry): New pattern.
27 (s_or_u, su_optab, su_modifier): New code macros/attrs.
28 (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
29 <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
30 support unsigned multiplies too. Removed incorrect commutativity from
31 operand 1 constraint where appropriate.
32 (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
33 patterns.
34 (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
35 <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
36 New patterns.
37 (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
38 usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
39 usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
40 usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
41 usmulhisi_hh_huh): New patterns.
43 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
44 lshifthi3): Fix output template to use half reg for operand 2.
46 * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
47 instead of R2.
49 * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
51 2007-02-27 Andreas Schwab <schwab@suse.de>
53 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
55 2007-02-27 Jan Hubicka <jh@suse.cz>
57 * predict.c (last_basic_block_p): Remove.
58 (tree_estimate_probability): Update return heuristic for commonized
59 return blocks.
61 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
63 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
65 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
67 * doc/include/gcc-common.texi (versionsubtitle): New macro.
68 * doc/cpp.texi: Standardize title page.
69 * doc/cppinternals.texi: Likewise.
70 * doc/gcc.texi: Standardize title page, remove version number
71 from copyright page.
72 * doc/gccint.texi: Likewise.
73 * doc/install.texi: Standardize title page, add table of
74 contents.
76 2007-02-26 Jan Hubicka <jh@suse.cz>
78 * predict.def: Set outcomes according to more recent results.
79 (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
80 Remove dead predictors.
81 * predict.c (return_prediction): Fix pasto.
83 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
85 * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
86 change; avoid a memory leak when returning early.
88 2007-02-26 Mark Mitchell <mark@codesourcery.com>
90 * c-decl.c (static_ctors): Move to c-common.c.
91 (static_dtors): Likewise.
92 (finish_function): Use c_record_cdtor_fn.
93 (build_cdtor): Move to c-common.c.
94 (c_write_global_declarations): Use c_build_cdtor_fns.
95 * c-common.h (static_ctors): Declare.
96 (static_dtors): Likewise.
97 (c_record_cdtor_fn): Likewise.
98 (c_build_cdtor_fns): Likewise.
99 * c-common.c (static_ctors): New variable.
100 (static_dtors): Likewise.
101 (c_record_cdtor_fn): New function.
102 (build_cdtor): Move from c-decl.c
103 (c_build_cdtor_fns): New function.
105 * output.h (assemble_addr_to_section): Declare.
106 (get_cdtor_priority_section): Likewise.
107 * varasm.c (assemble_addr_to_section): New function.
108 (get_cdtor_priority_section): Likewise.
109 (default_named_section_asm_out_destructor): Use them.
110 (destor_dtor_section_asm_out_destructor): Likewise.
111 (default_named_section_asm_out_constructor): Likewise.
112 (default_ctor_section_asm_out_constructor): Likewise.
113 * config.gcc (*-*-vxworks*): Include vxworks.o.
114 * config/t-vxworks (vxworks.o): New target.
115 * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
116 (TARGET_ASM_CONSTRUCTOR): Define.
117 (TARGET_ASM_DESTRUCTOR): Likewise.
118 (vxworks_asm_out_constructor): Declare.
119 (vxworks_asm_out_destructor): Likewise.
121 * c-common.c (get_priority): Check that we have not just an
122 INTEGER_CST, but an integer constant with integeral type.
124 2007-02-25 Uros Bizjak <ubizjak@gmail.com>
126 PR tree-optimization/30938
127 * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
128 use &dt[nargs-1] instead of &dt[nargs] in the call to
129 vect_is_simple_use().
131 2007-02-25 Ulrich Weigand <uweigand@de.ibm.com>
133 * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
134 from register elimination as PRE_MODIFY / POST_MODIFY increments.
135 Do not attempt to handle MEM inside auto-inc expressions.
136 * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
137 of a register modified by an auto-inc expression. However, do handle
138 elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
139 (elimination_effects): Prohibit elimination of a register modified
140 by an auto-inc expression. Disable register elimination rules whose
141 target register is modified by an auto-inc expression with variable
142 increment.
144 2007-02-25 Zdenek Dvorak <dvorakz@suse.cz>
146 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
147 off-by-one error.
148 (array_at_struct_end_p): New function.
149 (idx_infer_loop_bounds): Use it.
150 (estimate_numbers_of_iterations_loop): Export.
151 * predict.c (predict_loops): Use estimated_loop_iterations_int.
152 Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
153 (tree_estimate_probability): Call record_loop_exits.
154 * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
155 (estimated_loop_iterations, estimated_loop_iterations_int,
156 estimated_loop_iterations_tree): New functions.
157 (analyze_siv_subscript_cst_affine,
158 compute_overlap_steps_for_affine_1_2,
159 analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
160 (analyze_miv_subscript): Use estimated_loop_iterations_tree.
161 * predict.def (PRED_LOOP_ITERATIONS): Update comment.
162 (PRED_LOOP_ITERATIONS_GUESSED): New.
163 * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
164 * cfgloop.h (estimate_numbers_of_iterations_loop,
165 estimated_loop_iterations_int): Declare.
167 2007-02-25 Mark Mitchell <mark@codesourcery.com>
169 * doc/extend.texi: Document optional priority argument to
170 constructors and destructors.
171 * tree.c (init_priority_for_decl): Adjust GTY markers.
172 (init_ttree): Use priority-info hash functions for
173 init_priority_for_decl.
174 (tree_map_eq): Rename to ...
175 (tree_map_base_eq): ... this.
176 (tree_map_marked_p): Rename to ...
177 (tree_map_base_marked_p): ... this.
178 (tree_map_base_hash): New function.
179 (decl_init_priority_lookup): Rework.
180 (decl_fini_priority_lookup): New function.
181 (decl_priority_info): New function.
182 (decl_init_priority_insert): Use it.
183 (decl_fini_priority_insert): Likewise.
184 (decl_restrict_base_lookup): Adjust for refactoring of tree_map
185 hierarchy.
186 (decl_restrict_base_insert): Likewise.
187 (decl_debug_expr_insert): Likewise.
188 (decl_value_expr_lookup): Likewise.
189 (decl_value_expr_insert): Likewise.
190 * tree.h (priority_type): New type.
191 (decl_init_priority_lookup): Use priority_type.
192 (decl_fini_priority_lookup): New function.
193 (decl_init_priority_insert): Use priority_type.
194 (decl_fini_priority_insert): New function.
195 (DECL_HAS_INIT_PRIORITY): Tweak comments.
196 (DECL_INIT_PRIORITY): Likewise.
197 (SET_DECL_INIT_PRIORITY): Add comment.
198 (DECL_FINI_PRIORITY): New macro.
199 (SET_DECL_FINI_PRIORITY): Likewise.
200 (DEFAULT_INIT_PRIORITY): Document.
201 (MAX_INIT_PRIORITY): Likewise.
202 (MAX_RESERVED_INIT_PRIORITY): Likewise.
203 (tree_map_base): New type.
204 (tree_map_base_eq): New function.
205 (tree_map_base_hash): Likewise.
206 (tree_map_base_marked_p): Likewise.
207 (tree_map): Inherit from tree_map_base.
208 (tree_map_eq): Make it a macro.
209 (tree_map_marked_p): Likewise.
210 (tree_int_map): Inherit from tree_map_base.
211 (tree_int_map_eq): Make it a macro.
212 (tree_int_map_hash): Likewise.
213 (tree_int_map_marked_p): Likewise.
214 (tree_priority_map): New type.
215 (tree_priority_map_eq): New macro.
216 (tree_priority_map_hash): Likewise.
217 (tree_priority_map_marked_p): Likewise.
218 * varasm.c (emults_decl): Adjust for refactoring of tree_map
219 hierarchy.
220 (emutls_common_1): Likewise.
221 * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
222 * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
223 of tree_map hierarchy.
224 * tree-cfg.c (move_stmt_r): Likewise.
225 (new_label_mapper): Likewise.
226 * c-tree.h (c_expand_body): Move to ...
227 * c-common.h (c_expand_body): ... here.
228 * c-decl.c (c_expand_body): Move to ...
229 * c-common.c (c_expand_body): ... here.
230 (c_common_attribute_table): Allow 1 argument for the constructor
231 and destructor attributes.
232 (get_priority): New function.
233 (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
234 (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
236 2007-02-24 Jan Hubicka <jh@suse.cz>
238 PR middle-end/30509
239 * tree-inline.c (copy_bb): Produce exact copy of EH info when copying for inlining.
241 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
242 Jan Hubicka <jh@suse.cz>
244 PR target/30778
245 * i386.c (counter_mode): New function.
246 (expand_set_or_movmem_via_loop): Use it.
247 (expand_movmem_epilogue): Likewise; fix pasto.
248 (ix86_expand_movmem): Do emit guard even for constant counts.
249 (ix86_expand_setmem): Likewise.
251 2007-02-25 Nick Clifton <nickc@redhat.com>
253 * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
254 (JUMP_TABLES_IN_TEXT_SECTION): Define.
256 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
258 PR target/30770
259 * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
260 count argument with 0x10, not with 0x16.
261 (expand_setmem_epilogue): Ditto.
263 2007-02-24 Mike Stump <mrs@apple.com>
265 * config/i386/i386.c (output_pic_addr_const): Stubify optimized
266 symbols.
268 2007-02-24 Richard Guenther <rguenther@suse.de>
270 PR middle-end/30951
271 * fold-const.c (fold_binary): Fold x +- CST op x for
272 EQ_EXPR and NE_EXPR.
274 2007-02-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
276 * pa.md (muldi3): Force subregs to registers in 64-bit expander.
278 2007-02-24 Jan Hubicka <jh@suse.cz>
280 * cgraphunit.c (decide_is_function_needed): Honor
281 -fkeep-inline-functions.
283 2007-02-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
285 * builtins.c (fold_builtin_modf): New.
286 (fold_builtin_2): Use it.
288 2007-02-24 Bernd Schmidt <bernd.schmidt@analog.com>
290 * loop-iv.c (implies_p): Detect additional cases where A implies B.
291 (determine_max_iter): Take additional LOOP arg; all callers changed.
292 Lose broken logic dealing with PLUS. Try to limit the upper bound by
293 one using simplifications.
294 (simplify_using_initial_values): Return if the expression becomes
295 invalid due to altered regs.
297 2007-02-23 DJ Delorie <dj@redhat.com>
299 * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
301 2007-02-23 Mike Stump <mrs@apple.com>
303 * tlink.c (scan_linker_output): Parse linker messages from
304 darwin9's linker better.
306 2007-02-23 Steve Ellcey <sje@cup.hp.com>
308 PR debug/29614
309 * varpool.c (varpool_assemble_pending_decls): Set
310 varpool_last_needed_node to null.
312 2007-02-23 DJ Delorie <dj@redhat.com>
314 * config/i386/i386.c (ix86_data_alignment): Don't specify an
315 alignment bigger than the object file can handle.
317 2007-02-23 Uros Bizjak <ubizjak@gmail.com>
319 PR target/30825
320 * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
321 zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
322 (*movsf_1): Penalize MMX moves.
324 2007-02-23 Bernd Schmidt <bernd.schmidt@analog.com>
326 * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
327 2^32-1 or more times unless flag_unsafe_loop_optimizations.
329 * loop-iv.c (determine_max_iter): Moved in front of its sole user.
331 2007-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
333 * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
334 (fold_builtin_1): Use them.
335 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
336 BUILT_IN_SIGNIFICAND.
338 2007-02-23 H.J. Lu <hongjiu.lu@intel.com>
340 * config/i386/i386.c (bdesc_1arg): Initialize
341 IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
342 "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
343 (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
344 and IX86_BUILTIN_MOVSLDUP.
346 2007-02-22 Paolo Bonzini <bonzini@gnu.org>
348 PR rtl-optimization/30841
349 * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
351 2007-02-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
353 * builtins.c (fold_builtin_frexp): New.
354 (fold_builtin_2): Use it.
356 2007-02-22 Mark Mitchell <mark@codesourcery.com>
358 * doc/invoke.texi (Spec Files): Document getenv spec function.
360 * gcc.c (getenv_spec_function): New function.
361 (static_spec_functions): Add it.
362 * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
363 (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
364 header files.
366 2007-02-22 Michael Matz <matz@suse.de
368 PR c++/29433
369 * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
370 (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
372 2007-02-22 Ian Lance Taylor <iant@google.com>
374 PR debug/30898
375 * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
376 (mem_loc_descriptor): Call it.
378 2007-02-22 Zdenek Dvorak <dvorakz@suse.cz>
379 Ira Rosen <irar@il.ibm.com>
381 * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
383 2007-02-22 Ira Rosen <irar@il.ibm.com>
385 PR tree-optimization/30843
386 * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
387 stores only after all the group is vectorized.
389 2007-02-22 Dorit Nuzman <dorit@il.ibm.com>
391 PR tree-optimization/30858
392 * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
393 in the reduction cycle have a single use in the loop.
394 * tree-vectorizer.h (relevant): Add documentation.
396 2007-02-20 Mike Stump <mrs@apple.com>
398 * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
399 * configure: Regenerate.
401 2007-02-21 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
403 Change the defaults of some parameters and options.
404 * config/spu/spu-protos.h (spu_optimization_options): Declare.
405 * config/spu/spu.c (spu_optimization_options): Add.
406 (spu_override_options): Change params in spu_optimization_options.
407 * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
409 Register 127 is only 16 byte aligned when used as a frame pointer.
410 * config/spu/spu-protos.h (spu_init_expanders): Declare.
411 * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
412 HARD_FRAME_POINTER_REGNUM.
413 (spu_legitimate_address): Use regno_aligned_for_reload.
414 (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
415 aligned when frame_pointer_needed is true.
416 (spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM
417 to 8 bits.
418 * config/spu/spu.h (INIT_EXPANDERS): Define.
420 Make sure shift and rotate instructions have valid immediate operands.
421 * config/spu/predicates.md (spu_shift_operand): Remove.
422 * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
423 * config/spu/constraints.md (W, O): Extend range.
424 * config/spu/spu.md (umask, nmask): Define.
425 (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
426 lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
427 rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
428 rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
429 spu_nonmem_operand instead of spu_shift_operands. Use new modifiers.
430 (lshr<mode>3_reg): Fix rtl description.
432 Make sure mulhisi immediate operands are valid.
433 * config/spu/predicates.md (imm_K_operand): Add.
434 * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
436 Generate constants using fsmbi and andi.
437 * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
438 (print_operand, spu_split_immediate, classify_immediate,
439 fsmbi_const_p): Handle IC_FSMBI2.
441 Correctly handle a CONST_VECTOR containing symbols.
442 * config/spu/spu.c (print_operand): Handle HIGH correctly.
443 (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
444 (immediate_load_p): Allow symbols that use 2 instructions to create.
445 (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
446 with symbols when flag_pic is set.
447 (const_vector_immediate_p): New.
448 (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
449 accept a CONST_VECTOR with symbols.
450 (spu_legitimate_constant_p): Use const_vector_immediate_p. Don't
451 accept a CONST_VECTOR with symbols when flag_pic is set. Handle HIGH
452 correctly.
453 * config/spu/spu.md (high, low): Delete.
454 (low_<mode>): Define.
456 Remove INTRmode and INTR_REGNUM, which didn't work.
457 * config/spu/spu.c (spu_conditional_register_usage): Remove reference
458 of INTR_REGNUM.
459 * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
460 set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
461 peephole2 pattern): Don't use INTR or 131.
462 (movintrcc): Delete.
463 * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
464 CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
465 * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
466 (UNSPEC_SET_INTR): Add.
467 * config/spu/spu-modes.def (INTR): Remove.
469 More accurate warnings about run-time relocations.
470 * config/spu/spu.c (reloc_diagnostic): Test in_section.
472 Correctly warn about immediate arguments to specific intrinsics.
473 * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
474 (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
475 the instruction predicate.
477 Fix tree check errors with latest update.
478 * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
479 CALL_EXPR_ARG.
480 (spu_expand_builtin): Use CALL_EXPR_FN.
482 Add missing specific intrinsics.
483 * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
484 si_bislede.
485 * config/spu/spu_internals.h: Ditto.
487 Fix incorrect operand modifiers.
488 * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
489 * config/spu/spu.md (xor<mode>3): Change %S to %J.
491 Optimize one case of zero_extend of a vec_select.
492 * config/spu/spu.md (_vec_extractv8hi_ze): Add.
494 Accept any immediate for hbr.
495 * config/spu/spu.md (hbr): Change s constraints to i.
497 2007-02-21 Paul Brook <paul@codesourcery.com>
499 * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
500 condexec_count when skipping USE and CLOBBER.
502 2007-02-21 Nick Clifton <nickc@redhat.com>
504 * common.opt (Warray-bounds): Add Warning attribute.
505 (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
506 Likewise.
507 (fsized-zeroes): Add Optimization attribute.
508 (fsplit-wide-types, ftree-scev-cprop): Likewise.
509 * c.opt (Wc++0x-compat): Add Warning attribute.
511 2007-02-21 Ulrich Weigand <uweigand@de.ibm.com>
513 PR middle-end/30761
514 * reload1.c (eliminate_regs_in_insn): In the single_set special
515 case, attempt to re-recognize the insn before falling back to
516 having reload fix it up.
518 2007-02-20 Eric Christopher <echristo@gmail.com>
520 * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
521 Rewrite accordingly.
522 (frv_read_iacc_argument): Ditto.
523 (frv_expand_set_builtin): Take a call instead of arglist, update for
524 above changes.
525 (frv_expand_unop_builtin): Ditto.
526 (frv_expand_binop_builtin): Ditto.
527 (frv_expand_cut_builtin): Ditto.
528 (frv_expand_binopimm_builtin): Ditto.
529 (frv_expand_voidbinop_builtin): Ditto.
530 (frv_expand_int_void2arg): Ditto.
531 (frv_expand_prefetches): Ditto.
532 (frv_expand_voidtriop_builtin): Ditto.
533 (frv_expand_voidaccop_builtin): Ditto.
534 (frv_expand_load_builtin): Ditto.
535 (frv_expand_store_builtin): Ditto.
536 (frv_expand_mdpackh_builtin): Ditto.
537 (frv_expand_mclracc_builtin): Ditto.
538 (frv_expand_mrdacc_builtin): Ditto.
539 (frv_expand_mwtacc_builtin): Ditto.
540 (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
541 calls for above.
543 2007-02-20 Janis Johnson <janis187@us.ibm.com>
545 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
546 * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
547 cmpb instruction.
548 (HAVE_GAS_DFP): Check for assembler support of decimal floating
549 point instructions.
550 * configure: Regenerate.
551 * config.in: Regenerate.
552 * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
553 * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
554 masks to power6 and power6x and to POWERPC_MASKS.
555 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
556 _ARCH_PWR6.
557 * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
558 * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
559 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
560 Access PROTOTYPE as variable, not mask.
562 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
564 * rtl.h (remove_reg_equal_equiv_notes): New prototype.
565 * rtlanal.c (remove_reg_equal_equiv_notes): New function.
566 * combine.c (adjust_for_new_dest): Use it.
567 * postreload.c (reload_combine): Likewise.
569 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
571 * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
572 notes on an insn with multiple sets, even if single_set returns
573 non-NULL for that insn.
575 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
577 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
578 scalbn and scalbln.
580 2007-02-20 Geoffrey Keating <geoffk@apple.com>
582 * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
583 if user didn't pass it.
584 * config/i386/darwin.h (CC1_SPEC): Likewise.
585 * config/rs6000/darwin.h (CC1_SPEC): Likewise.
586 (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
587 -mmacosx-version-min.
589 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
590 Uros Bizjak <ubizjak@gmail.com>
592 * optabs.h (enum optab_index): Add new OTI_scalb.
593 (scalb_optab): Define corresponding macro.
594 * optabs.c (init_optabs): Initialize scalb_optab.
595 * genopinit.c (optabs): Implement scalb_optab using scalb?f3
596 patterns.
597 * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
598 BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
599 (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
600 and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
601 flag_unsafe_math_optimizations is set.
603 * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
604 to implement scalbf, scalb and scalbl built-ins as inline x87
605 intrinsics.
607 2007-02-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
608 DJ Delorie <dj@redhat.com>
610 PR other/30824
611 * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
612 (diagnostic_report_diagnostic): ... here, and turn them into real
613 errors. If warnings are inhibited, no need to do anything.
615 2007-02-20 Uros Bizjak <ubizjak@gmail.com>
617 * config/i386/i386.md (expm1xf2): Reorder insn sequence for
618 better code generation.
620 2007-02-20 Ben Elliston <bje@au.ibm.com>
622 * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
624 2007-02-20 Kazu Hirata <kazu@codesourcery.com>
626 * config/alpha/alpha.c, config/alpha/alpha.md,
627 config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
628 config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
629 config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
630 config/arm/lib1funcs.asm: Follow spelling conventions.
632 * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
633 config/fr30/fr30.md, config/i386/i386.h,
634 config/iq2000/iq2000.h, config/iq2000/predicates.md,
635 config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
636 config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
637 config/pdp11/pdp11.c, config/pdp11/pdp11.h,
638 config/rs6000/altivec.md, config/rs6000/rs6000.c,
639 config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
640 config/sparc/sparc.c, config/sparc/sparc.h,
641 config/sparc/sparc.md, config/spu/constraints.md,
642 config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
643 conventions.
645 2007-02-20 Alan Modra <amodra@bigpond.net.au>
647 PR target/29943
648 * varasm.c (use_blocks_for_decl_p): Return false for decls with
649 alias attribute.
651 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
653 * doc/invoke.texi (-ftree-lrs): Remove.
655 2007-02-19 Diego Novillo <dnovillo@redhat.com>
657 * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
658 NULL.
660 2007-02-19 Lee Millward <lee.millward@codesourcery.com>
662 * config/ia64/ia64.c (ia64_expand_builtin): Use the
663 new CALL_EXPR_FN macro for retrieving the function
664 declaration of the input expression.
666 2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
668 * c.opt (Waddress): New.
669 * common.opt (Walways-true): Delete.
670 (Wstring-literal-comparison): Delete.
671 * doc/invoke.texi (Warning Options): Delete -Walways-true and
672 -Wstring-literal-comparison. Add -Waddress.
673 (Waddress): New.
674 (Walways-true): Delete.
675 (Wstring-literal-comparison): Delete.
676 * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
677 consistently instead of -Walways-true in example.
678 * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
679 * c-typeck.c (parser_build_binary_op): Replace
680 -Wstring-literal-comparison and -Walways-true with -Waddress.
681 * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
682 with -Waddress.
684 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
686 * tree-cfg.c (dump_function_to_file): Be prepared for functions
687 without DECL_STRUCT_FUNCTION initialized.
689 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
691 * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
692 due to calls to functions taking pointers as parameters.
694 2007-02-19 Richard Henderson <rth@redhat.com>
696 PR debug/29558
697 * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
698 in memory.
700 2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com>
702 * config/s390/s390.c (s390_call_saved_register_used,
703 s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
704 accessed to the new scheme.
706 2007-02-19 Jan-Benedict Glaw <jbglaw@lug-owl.de>
708 * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
709 (cris_print_index, cris_print_operand, cris_print_operand_address)
710 (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
711 (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
712 (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
713 GET_CODE () == xxx.
714 * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
715 EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
716 GO_IF_LEGITIMATE_ADDRESS): Ditto.
717 * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
718 (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
719 (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
720 (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
721 (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
722 (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
723 (uminsi3, call, call_value): Ditto.
724 (define_split: indir_to_reg_split, unnamed): Ditto.
726 2007-02-19 Dorit Nuzman <dorit@il.ibm.com>
728 PR tree-optimization/30975
729 * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
730 wrong assert.
732 2007-02-18 Eric Christopher <echristo@gmail.com>
734 * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
735 Remove use of arglist.
736 (mips_expand_builtin): Remove use of arglist, pass in expr.
737 (mips_expand_builtin_direct): Rewrite handling for arglist removal.
738 (mips_expand_builtin_movtf): Ditto.
739 (mips_expand_builtin_compare): Ditto.
741 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
743 * tree-sra.c (sra_build_assignment): Replace assertion
744 checking with a comment explaining why it can't be done.
746 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
748 PR middle-end/30833
749 * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
750 during CALL_EXPR representation conversion.
751 * tree-ssa-propagate.c (set_rhs): Likewise.
753 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
755 * tree-sra.c (sra_build_assignment): Disable assertion checking
756 for now.
758 2007-02-18 Roger Sayle <roger@eyesopen.com>
760 * function.c (gimplify_parameters): Call build_gimple_modify_stmt
761 instead of calling build2 with a GIMPLE_MODIFY_STMT.
762 * gimple-low.c (lower_function_body, lower_builtin_setjmp):
763 Likewise.
764 * gimplify.c (build_stack_save_restore, gimplify_return_expr,
765 gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr,
766 gimplify_init_ctor_eval_range, gimple_push_cleanup,
767 gimplify_omp_for, gimplify_omp_atomic_pipeline,
768 gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
769 force_gimple_operand): Likewise.
770 * ipa-cp.c (constant_val_insert): Likewise.
771 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
772 lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
773 perfect_nestify): Likewise.
774 * langhooks.c (lhd_omp_assignment): Likewise.
775 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
776 lower_copyprivate_clauses, lower_send_clauses,
777 lower_send_shared_vars, expand_parallel_call,
778 expand_omp_for_generic, expand_omp_for_static_nochunk,
779 expand_omp_for_static_chunk, expand_omp_sections,
780 lower_omp_single_copy, lower_omp_for_lastprivate,
781 lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
782 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
783 tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
784 Likewise.
786 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
788 * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
789 config/sh/sh.md: Follow spelling conventions.
791 * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
792 config/frv/predicates.md: Follow spelling conventions.
794 * config/m68k/linux-unwind.h: Fix a comment typo.
795 * target.h: Follow spelling conventions.
797 2007-02-18 Roger Sayle <roger@eyesopen.com>
799 PR rtl-optimization/28173
800 * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
801 (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
802 Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
803 Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
804 <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
806 2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
808 * builtins.c (fold_builtin_load_exponent): New.
809 (fold_builtin_2): Use it.
811 2007-02-18 Steven Bosscher <steven@gcc.gnu.org>
813 PR rtl-optimization/30773
814 * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
815 if we fail to attach a REG_EQUIV note.
817 2007-02-18 David Edelsohn <edelsohn@gnu.org>
818 Roger Sayle <roger@eyesopen.com>
820 * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
822 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
824 * calls.c (initialize_argument_information): Pass original EXP
825 and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move
826 code to split complex arguments here, as part of initializing the
827 ARGS array.
828 (expand_call): Remove code that builds a list of arguments and
829 inserts implicit arguments into it. Instead, just count how many
830 implicit arguments there will be so we can determine the size of
831 the ARGS array, and let initialize_argument_information do the work.
832 (split_complex_values): Delete unused function.
834 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
836 * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
838 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
840 * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
841 for arg pointer based indexed addressing.
843 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
845 * config/ia64/ia64.h, config/ia64/ia64.md,
846 config/ia64/predicates.md, config/ia64/sysv4.h: Follow
847 spelling conventions.
849 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
851 * config/m68k/m68k.c (split_di): New.
852 * config/m68k/m68k-protos.h: Declare split_di.
853 * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
854 Improve predicate handling and split constant shifts.
856 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
858 * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
859 parameter for register bitfield operations, general predicates
860 cleanup
862 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
864 * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
865 * config/m68k/linux-unwind.h: New file.
867 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
869 * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
870 config/i386/athlon.md, config/ia64/ia64.md,
871 config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
872 df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
873 ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
874 tree-ssa-loop-niter.c, tree-vect-analyze.c,
875 tree-vect-transform.c: Fix comment typos.
877 2007-02-17 Kazu Hirata <kazu@codesourcery.com>
879 * sched-deps.c (find_insn_list): Remove.
880 * sched-int.h: Remove the prototype for find_insn_list.
882 2007-02-16 Geoffrey Keating <geoffk@apple.com>
884 * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
885 to linker.
886 (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
887 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
888 darwin_rs6000_override_options.
889 (C_COMMON_OVERRIDE_OPTIONS): Expect
890 darwin_macosx_version_min to be non-NULL always.
891 (TARGET_C99_FUNCTIONS): Likewise.
892 (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
893 (DARWIN_MINVERSION_SPEC): New.
894 * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
895 * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
896 to cc1*.
897 (DARWIN_MINVERSION_SPEC): New.
898 * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
899 value.
900 * config/darwin-c.c (darwin_cpp_builtins): Expect
901 darwin_macosx_version_min to be non-NULL always.
903 * config/rs6000/rs6000.c: Clean up trailing whitespace.
905 2007-02-16 Uros Bizjak <ubizjak@gmail.com>
907 * config/i386/i386.h (x86_use_xchgb): New.
908 (TARGET_USE_XCHGB): New macro.
909 * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
910 * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
911 Split after reload into bswaphi for shifts of 8.
912 (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
913 (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
914 or when optimizing for size.
916 2007-02-16 Richard Guenther <rguenther@suse.de>
917 Christian Bruel <christian.bruel@st.com>
919 * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
920 DECLs but prefer SSA_NAMEs over DECLs.
922 2007-02-16 Richard Guenther <rguenther@suse.de>
924 * tree-flow-inline.h (single_imm_use_p): Remove.
925 (zero_imm_uses_p): Likewise.
926 * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
927 instead of single_imm_use_p.
928 * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
929 zero_imm_uses_p.
931 2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
933 PR other/27843
934 * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
935 nested double- and backquotes.
937 2007-02-15 Roger Sayle <roger@eyesopen.com>
939 PR middle-end/30391
940 * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
941 should be unreachable.
942 (build2_stat): Allow construction of MODIFY_EXPR at any time.
943 For the time being redirect GIMPLE_MODIFY_STMT to the new
944 (renamed) build_gimple_modify_stmt_stat.
945 (build2_gimple_stat): Rename to...
946 (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
947 Always build a GIMPLE_MODIFY_STMT node.
948 * tree.h (build2_gimple, build2_gimple_stat): Delete.
949 (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
950 declarations.
952 * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
953 gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
954 * tree-complex.c (set_component_ssa_name, expand_complex_move,
955 expand_complex_div_wide): Likewise.
956 * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
957 * tree-ssa-loop-im.c (schedule_sm): Likewise.
958 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
959 * tree-ssa-loop-manip.c (create_iv): Likewise.
960 * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
961 abs_replacement): Likewise.
962 * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
963 realify_fake_stores): Likewise.
965 * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
966 node rather than a GIMPLE_MODIFY_STMT node.
967 (std_gimpify_va_arg_expr, expand_builtin_va_copy,
968 fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
969 Likewise.
970 (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
971 * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
972 GIMPLE_MODIFY_STMT.
974 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
976 PR middle-end/30433
977 * fold-const.c (fold_comparison): Add back the
978 folding of constant complex comparisions.
980 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
982 PR middle-end/30729
983 * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
984 effects unknown to this function, return early.
986 2007-02-15 Ian Lance Taylor <iant@google.com>
988 * lower-subreg.c (move_eh_region_note): New static function.
989 (resolve_simple_move): Call it.
990 (decompose_multiword_subregs): Track blocks for which we resolve a
991 simple move which is also a control flow insn. Pass them to
992 find_many_sub_basic_blocks.
993 (pass_lower_subreg): Add TODO_verify_flow.
994 (pass_lower_subreg2): Likewise.
996 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
997 Brooks Moses <brooks.moses@codesourcery.com>
998 Lee Millward <lee.millward@codesourcery.com>
1000 * tree.h (enum tree_code_class): Add tcc_vl_exp.
1001 (VL_EXP_CLASS_P): New.
1002 (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
1003 TREE_CODE_LENGTH.
1004 (TREE_OPERAND_CHECK_CODE): Likewise.
1005 (GIMPLE_STMT_OPERAND_CHECK): Likewise.
1006 (TREE_RTL_OPERAND_CHECK): Likewise.
1007 (tree_operand_check_failed): Make second parameter the whole tree
1008 instead of its code. Fixed callers.
1009 (VL_EXP_CHECK): New.
1010 (TREE_OPERAND_LENGTH): New.
1011 (VL_EXP_OPERAND_LENGTH): New.
1012 (CALL_EXPR_FN): New.
1013 (CALL_EXPR_STATIC_CHAIN): New.
1014 (CALL_EXPR_ARGS): New.
1015 (CALL_EXPR_ARG): New.
1016 (call_expr_nargs): New.
1017 (CALL_EXPR_ARGP): New.
1018 (build_nt_call_list): Declare.
1019 (build_vl_exp_stat): Declare.
1020 (build_vl_exp): New.
1021 (build_call_list): Declare.
1022 (build_call_nary): Declare.
1023 (build_call_valist): Declare.
1024 (build_call_array): Declare.
1025 (call_expr_arg): Declare.
1026 (call_expr_argp): Declare.
1027 (call_expr_arglist): Declare.
1028 (fold_build_call_list): Declare.
1029 (fold_build_call_list_initializer): Declare.
1030 (fold_call_expr): Declare to replace fold_builtin.
1031 (fold_builtin_fputs): Update to agree with modified definition.
1032 (fold_builtin_strcpy): Likewise.
1033 (fold_builtin_strncpy): Likewise.
1034 (fold_builtin_memory_chk): Likewise.
1035 (fold_builtin_stxcpy_chk): Likewise.
1036 (fold_builtin_strncpy_chk): Likewise.
1037 (fold_builtin_next_arg): Likewise.
1038 (fold_build_call_expr): Declare.
1039 (fold_builtin_call_list): Declare.
1040 (fold_builtin_call_valist): Declare.
1041 (build_call_expr): Declare.
1042 (validate_arglist): Update to agree with modified definition.
1043 (tree_operand_length): New.
1044 (call_expr_arg_iterator): New.
1045 (init_call_expr_arg_iterator): New.
1046 (next_call_expr_arg): New.
1047 (first_call_expr_arg): New.
1048 (more_call_expr_args_p): New.
1049 (FOR_EACH_CALL_EXPR_ARG): New.
1051 * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
1052 and tcc_gimple_stmt.
1053 (tree_code_size): Update documentation. Use sizeof (tree) rather
1054 than sizeof (char *).
1055 (tree_size): Likewise. Add case for tcc_vl_exp.
1056 (tree_node_structure): Add case for tcc_vl_exp.
1057 (contains_placeholder_p): Likewise.
1058 (substitute_in_expr): Likewise.
1059 (substitute_placeholder_in_expr): Likewise.
1060 (stabilize_reference_1): Likewise.
1061 (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion
1062 to diagnose breakage of this interface for constructing CALL_EXPRs.
1063 (build_nt): Add similar assertion here.
1064 (build_nt_call_list): New.
1065 (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
1066 (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
1067 TREE_CODE_LENGTH.
1068 (get_callee_fndecl): Use new CALL_EXPR accessors.
1069 (tree_operand_check_failed): Change parameters to pass entire node
1070 instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
1071 (process_call_operands): New.
1072 (build_vl_exp_stat): New.
1073 (build_call_list): New.
1074 (build_call_nary): New.
1075 (build_call_valist): New.
1076 (build_call_array): New.
1077 (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1078 (call_expr_arglist): New.
1080 * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
1081 tcc_vl_exp instead of a fixed-size tcc_expression.
1083 * doc/c-tree.texi (CALL_EXPR): Document new representation and
1084 accessors for CALL_EXPRs.
1085 (AGGR_INIT_EXPR): Likewise.
1087 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
1088 Brooks Moses <brooks.moses@codesourcery.com>
1089 Lee Millward <lee.millward@codesourcery.com>
1091 * builtins.c (c_strlen): Return NULL_TREE instead of 0.
1092 (expand_builtin_nonlocal_goto): Change parameter to be entire
1093 CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors.
1094 (expand_builtin_prefetch): Likewise.
1095 (expand_builtin_classify_type): Likewise.
1096 (mathfn_built_in): Return NULL_TREE instead of 0.
1097 (expand_errno_check): Use new CALL_EXPR accessors.
1098 (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
1099 Return NULL_RTX instead of 0.
1100 (expand_builtin_mathfn_2): Likewise.
1101 (expand_builtin_mathfn_3): Likewise.
1102 (expand_builtin_interclass_mathfn): Likewise.
1103 (expand_builtin_sincos): Likewise.
1104 (expand_builtin_cexpi): Likewise.
1105 (expand_builtin_int_roundingfn): Likewise.
1106 (expand_builtin_int_roundingfn_2): Likewise.
1107 (expand_builtin_pow): Likewise.
1108 (expand_builtin_powi): Likewise.
1109 (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
1110 of arglist, fixing callers appropriately. Use new CALL_EXPR
1111 accessors and constructors. Return NULL_RTX instead of 0.
1112 (expand_builtin_strstr): Likewise.
1113 (expand_builtin_strchr): Likewise.
1114 (expand_builtin_strrchr): Likewise.
1115 (expand_builtin_strpbrk): Likewise.
1116 (expand_builtin_memcpy): Likewise.
1117 (expand_builtin_mempcpy): Likewise.
1118 (expand_builtin_mempcpy_args): New.
1119 (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
1120 (expand_builtin_memmove_args): New.
1121 (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
1122 (expand_movstr): Likewise.
1123 (expand_builtin_strcpy): Likewise.
1124 (expand_builtin_strcpy_args): New.
1125 (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
1126 (expand_builtin_strncpy): Likewise.
1127 (expand_builtin_memset): Likewise.
1128 (expand_builtin_memset_args): New.
1129 (expand_builtin_bzero): Similarly to expand_builtin_memset.
1130 (expand_builtin_memcmp): Likewise.
1131 (expand_builtin_strcmp): Likewise.
1132 (expand_builtin_strncmp): Likewise.
1133 (expand_builtin_strcat): Likewise.
1134 (expand_builtin_strncat): Likewise.
1135 (expand_builtin_strspn): Likewise.
1136 (expand_builtin_strcspn): Likewise.
1137 (expand_builtin_args_info): Likewise.
1138 (expand_builtin_va_start): Likewise.
1139 (gimplify_va_arg_expr): Likewise.
1140 (expand_builtin_va_end): Likewise.
1141 (expand_builtin_va_copy): Likewise.
1142 (expand_builtin_frame_address): Likewise.
1143 (expand_builtin_alloca): Likewise.
1144 (expand_builtin_bswap): Likewise.
1145 (expand_builtin_unop): Likewise.
1146 (expand_builtin_fputs): Likewise.
1147 (expand_builtin_expect): Likewise.
1148 (expand_builtin_fabs): Likewise.
1149 (expand_builtin_copysign): Likewise.
1150 (expand_builtin_printf): Likewise.
1151 (expand_builtin_fprintf): Likewise.
1152 (expand_builtin_sprintf): Likewise.
1153 (expand_builtin_init_trampoline): Likewise.
1154 (expand_builtin_signbit): Likewise.
1155 (expand_builtin_fork_or_exec): Likewise.
1156 (expand_builtin_sync_operation): Likewise.
1157 (expand_builtin_compare_and_swap): Likewise.
1158 (expand_builtin_lock_test_and_set): Likewise.
1159 (expand_builtin_lock_release): Likewise.
1160 (expand_builtin): Likewise.
1161 (builtin_mathfn_code): Likewise.
1163 (fold_builtin_constant_p): Pass call arguments individually instead
1164 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
1165 accessors and constructors. Return NULL_TREE instead of 0.
1166 (fold_builtin_expect): Likewise.
1167 (fold_builtin_classify_type): Likewise.
1168 (fold_builtin_strlen): Likewise.
1169 (fold_builtin_nan): Likewise.
1170 (integer_valued_real_p): Likewise.
1171 (fold_trunc_transparent_mathfn): Likewise.
1172 (fold_fixed_mathfn): Likewise.
1173 (fold_builtin_cabs): Likewise.
1174 (fold_builtin_sqrt): Likewise.
1175 (fold_builtin_cbrt): Likewise.
1176 (fold_builtin_cos): Likewise.
1177 (fold_builtin_cosh): Likewise.
1178 (fold_builtin_tan): Likewise.
1179 (fold_builtin_sincos): Likewise.
1180 (fold_builtin_cexp): Likewise.
1181 (fold_builtin_trunc): Likewise.
1182 (fold_builtin_floor): Likewise.
1183 (fold_builtin_ceil): Likewise.
1184 (fold_builtin_round): Likewise.
1185 (fold_builtin_int_roundingfn): Likewise.
1186 (fold_builtin_bitop): Likewise.
1187 (fold_builtin_bswap): Likewise.
1188 (fold_builtin_logarithm): Likewise.
1189 (fold_builtin_hypot): Likewise.
1190 (fold_builtin_pow): Likewise.
1191 (fold_builtin_powi): Likewise.
1192 (fold_builtin_exponent): Likewise.
1193 (fold_builtin_memset): Likewise.
1194 (fold_builtin_bzero): Likewise.
1195 (fold_builtin_memory_op): Likewise.
1196 (fold_builtin_bcopy): Deleted; call site changed to invoke
1197 fold_builtin_memory_op directly.
1198 (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
1199 (fold_builtin_strncpy): Likewise.
1200 (fold_builtin_memcmp): Likewise.
1201 (fold_builtin_strcmp): Likewise.
1202 (fold_builtin_strncmp): Likewise.
1203 (fold_builtin_signbit): Likewise.
1204 (fold_builtin_copysign): Likewise.
1205 (fold_builtin_isascii): Likewise.
1206 (fold_builtin_toascii): Likewise.
1207 (fold_builtin_isdigit): Likewise.
1208 (fold_builtin_fabs): Likewise.
1209 (fold_builtin_abs): Likewise.
1210 (fold_builtin_fmin_fmax): Likewise.
1211 (fold_builtin_carg): Likewise.
1212 (fold_builtin_classify): Likewise.
1213 (fold_builtin_unordered_cmp): Likewise.
1215 (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
1216 New functions split out from fold_builtin_1.
1217 (fold_builtin_n): New.
1218 (fold_builtin_varargs): New.
1219 (fold_builtin): Deleted. Most callers changed to use fold_call_expr
1220 instead.
1221 (fold_call_expr): New.
1222 (build_function_call_expr): Rewrite to use new helper function.
1223 (fold_builtin_call_list): New.
1224 (build_call_expr): New.
1225 (fold_builtin_call_valist): New.
1226 (rewrite_call_expr): New.
1227 (validate_arg): New.
1228 (validate_arglist): Change parameter to be entire CALL_EXPR instead
1229 of an arglist. Change return type to bool. Use new CALL_EXPR
1230 accessors.
1232 (fold_builtin_strstr): Pass call arguments individually instead
1233 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
1234 accessors and constructors. Return NULL_TREE instead of 0.
1235 (fold_builtin_strchr): Likewise.
1236 (fold_builtin_strrchr): Likewise.
1237 (fold_builtin_strpbrk): Likewise.
1238 (fold_builtin_strcat): Likewise.
1239 (fold_builtin_strncat): Likewise.
1240 (fold_builtin_strspn): Likewise.
1241 (fold_builtin_strcspn): Likewise.
1242 (fold_builtin_fputs): Likewise.
1243 (fold_builtin_next_arg): Likewise.
1244 (fold_builtin_sprintf): Likewise.
1246 (expand_builtin_object_size): Use new CALL_EXPR accessors. Use
1247 NULL_RTX instead of 0.
1248 (expand_builtin_memory_chk): Likewise.
1249 (maybe_emit_chk_warning): Likewise.
1250 (maybe_emit_sprintf_chk_warning): Likewise.
1252 (fold_builtin_object_size): Pass call arguments individually instead
1253 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
1254 accessors and constructors. Return NULL_TREE instead of 0.
1255 (fold_builtin_memory_chk): Likewise.
1256 (fold_builtin_stxcpy_chk): Likewise.
1257 (fold_builtin_strncpy_chk): Likewise.
1258 (fold_builtin_strcat_chk): Likewise.
1259 (fold_builtin_strcat_chk): Likewise.
1260 (fold_builtin_strncat_chk): Likewise.
1261 (fold_builtin_sprintf_chk): Likewise.
1262 (fold_builtin_snprintf_chk): Likewise.
1263 (fold_builtin_printf): Likewise.
1264 (fold_builtin_vprintf): Likewise.
1266 * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
1267 constructors.
1268 (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
1269 (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1270 (extract_muldiv_1): Add VL_EXP_CLASS_P case.
1271 (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
1272 (fold_unary): Likewise.
1273 (fold_binary): Likewise.
1274 (fold_ternary): Remove CALL_EXPR case, since they are no longer
1275 ternary expressions.
1276 (fold): Add logic for tcc_vl_exp.
1277 (fold_checksum_tree): Make it know about tcc_vl_exp. Use
1278 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1279 (fold_build3_stat): Add assertion to flag broken interface for
1280 constructing CALL_EXPRs.
1281 (fold_build_call_list): New.
1282 (fold_build_call_list_initializer): New.
1283 (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
1284 constructors.
1285 (fold_strip_sign_ops): Likewise.
1287 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
1288 Brooks Moses <brooks.moses@codesourcery.com>
1289 Lee Millward <lee.millward@codesourcery.com>
1291 * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
1292 accessors and dump arguments explicitly.
1294 * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
1295 TREE_CODE_LENGTH.
1296 (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
1297 explicitly.
1298 (print_call_name): Use new CALL_EXPR accessors.
1300 * print-tree.c (print_node): Add case tcc_vl_exp. Print
1301 CALL_EXPR arguments explicitly instead of as a list. Use
1302 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1304 * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
1305 (vrp_visit_stmt): Likewise.
1307 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
1308 know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
1309 TREE_CODE_LENGTH.
1310 (force_move_till_expr): Likewise.
1312 * targhooks.c (default_external_stack_protect_fail): Use
1313 build_call_expr instead of build_function_call_expr.
1314 (default_hidden_stack_protect_fail): Likewise.
1316 * tree-complex.c (expand_complex_libcall): Use build_call_expr to
1317 build the call.
1319 * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
1320 and walk arguments explicitly.
1322 * tree-ssa-loop-niter.c (simplify_replace_tree): Use
1323 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1324 (expand_simple_operations): Likewise.
1325 (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
1327 * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
1328 of TREE_CODE_LENGTH.
1329 (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
1331 * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
1332 instead of TREE_CODE_LENGTH.
1334 * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
1335 (tree_ic_transform): Likewise.
1336 (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
1337 parameter instead of arglist. Fix callers.
1338 (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
1339 (tree_stringops_transform): Likewise.
1340 (tree_indirect_call_to_profile): Likewise.
1341 (tree_stringops_values_to_profile): Likewise.
1343 * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
1344 (eliminate_tail_call): Likewise.
1346 * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
1348 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
1349 Use TREE_OPERAND_LENGTH and generalize to handle any number of
1350 operands.
1351 (instantiate_parameters_1): Can't handle tcc_vl_exp here.
1353 * omp-low.c (build_omp_barrier): Use build_call_expr.
1354 (lower_rec_input_clauses): Likewise.
1355 (lower_reduction_clauses): Likewise.
1356 (expand_parallel_call): Likewise.
1357 (maybe_catch_exception): Likewise.
1358 (expand_omp_for_generic): Likewise.
1359 (expand_omp_for_static_nochunk): Likewise.
1360 (expand_omp_sections): Likewise.
1361 (lower_omp_single_simple): Likewise.
1362 (lower_omp_single_copy): Likewise.
1363 (lower_omp_master): Likewise.
1364 (lower_omp_ordered): Likewise.
1365 (lower_omp_critical): Likewise.
1367 * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
1368 (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
1370 * tree-gimple.c (is_gimple_call_addr): Fix doc.
1371 (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
1372 TREE_CODE_LENGTH. Add tcc_vl_exp case.
1374 * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
1375 and generalize to handle any number of operands.
1376 (chrec_contains_undetermined): Likewise.
1377 (tree_contains_chrecs): Likewise.
1378 (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
1380 * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
1382 * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use
1383 fold_call_expr instead of fold_builtin.
1384 (ccp_fold_builtin): Likewise. Update calls into builtins.c to
1385 match declarations there.
1386 (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc
1387 updates.
1389 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
1390 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1392 * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
1393 (scan_function): Add case tcc_vl_exp for CALL_EXPR.
1395 * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
1396 accessors.
1398 * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
1399 (execute_cse_sincos): Use new CALL_EXPR accessors.
1401 * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
1403 * gimple-low.c (lower_function_body): Use build_call_expr.
1404 (lower_builtin_setjmp): Likewise.
1406 * expr.c (emit_block_move_via_libcall): Use build_call_expr.
1407 (set_storage_via_libcall): Likewise.
1408 (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH
1409 instead of TREE_CODE_LENGTH.
1410 (expand_expr_real_1): Use new CALL_EXPR accessors.
1412 * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
1413 generalize to handle any number of operands.
1414 (TB_parent_eq): Likewise.
1416 * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
1417 (strip_builtin_expect): Likewise.
1419 * function.c (gimplify_parameters): Use build_call_expr.
1421 * tree-vectorizer.c (vect_is_simple_reduction): Use TREE_OPERAND_LENGTH
1422 instead of TREE_CODE_LENGTH.
1424 * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
1425 (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
1427 * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
1428 iterators.
1430 * gimplify.c (build_stack_save_restore): Use build_call_expr.
1431 (gimplify_decl_expr): Likewise.
1432 (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
1433 Use new CALL_EXPR iterators.
1434 (gimplify_modify_expr_to_memcpy): Use build_call_expr.
1435 (gimplify_modify_expr_to_memset): Likewise.
1436 (gimplify_variable_sized_compare): Likewise.
1437 (gimplify_omp_atomic_fetch_op): Likewise.
1438 (gimplify_omp_atomic_pipeline): Likewise.
1439 (gimplify_omp_atomic_mutex): Likewise.
1440 (gimplify_function_tree): Likewise.
1442 * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
1443 (call_expr_flags): Likewise.
1444 (expand_call): Likewise.
1446 * except.c (expand_builtin_eh_return_data_regno): Pass entire
1447 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
1448 accessors.
1450 * coverage.c (create_coverage): Use build_call_expr.
1452 * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
1453 (temp_call_expr_obstack): New.
1454 (pool_copy_list): Delete.
1455 (temp_copy_call_expr): New.
1456 (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new
1457 CALL_EXPR accessors. Get rid of special goo for copying argument
1458 lists and use temp_copy_call_expr instead.
1459 (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new
1460 CALL_EXPR accessors.
1461 (create_expression_by_pieces): Likewise. Use build_call_array
1462 to construct the result instead of fold_build3.
1463 (create_value_expr_from): Add tcc_vl_exp. Delete special goo for
1464 dealing with argument lists.
1465 (init_pre): Remove references to expression_node_pool and
1466 list_node_pool. Init temp_call_expr_obstack instead.
1467 (fini_pre): Remove references to expression_node_pool and
1468 list_node_pool.
1470 * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
1471 and walk arguments explicitly instead of as a list.
1473 * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
1474 (mx_register_decls): Likewise.
1475 (mudflap_register_call): Likewise.
1476 (mudflap_finish_file): Likewise.
1478 * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
1479 (ipa_callsite_compute_param): Likewise.
1481 * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
1482 accessors and constructor.
1484 * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
1485 accessors and constructor.
1486 (convert_tramp_reference): Likewise.
1487 (convert_call_expr): Likewise.
1488 (finalize_nesting_tree_1): Likewise.
1490 * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
1491 accessors.
1493 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
1495 * tree-inline.c (initialize_inlined_parameters): Pass entire
1496 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
1497 accessors.
1498 (estimate_num_insns_1): Use new CALL_EXPR accessors.
1499 (expand_call_inline): Tidy up call to initialize_inlined_parameters.
1501 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
1502 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1503 (vectorizable_reduction): Likewise.
1504 (vectorizable_call): Use new CALL_EXPR iterators.
1505 (vectorizable_conversion): Use build_call_expr.
1506 (vectorizable_operation): Use TREE_OPERAND_LENGTH.
1507 (vect_gen_widened_results_half): Use build_call_expr.
1508 (vect_setup_realignment): Likewise.
1509 (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
1511 * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
1512 (pass_through_call): Likewise.
1513 (compute_object_sizes): Likewise. Use fold_call_expr instead of
1514 fold_builtin.
1516 * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
1517 (tree_gen_pow2_profiler): Likewise.
1518 (tree_gen_one_value_profiler): Likewise.
1519 (tree_gen_ic_func_profiler): Likewise.
1520 (tree_gen_average_profiler): Likewise.
1521 (tree_gen_ior_profiler): Likewise.
1523 * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
1524 (find_func_aliases): Use new CALL_EXPR accessors. Add case
1525 tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
1527 * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
1528 of TREE_CODE_LENGTH.
1530 * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
1531 of TREE_CODE_LENGTH.
1533 * convert.c (convert_to_real): Use new CALL_EXPR accessors and
1534 constructor.
1535 (convert_to_integer): Likewise.
1537 * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
1538 accessors.
1540 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
1541 Brooks Moses <brooks.moses@codesourcery.com>
1542 Lee Millward <lee.millward@codesourcery.com>
1544 * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
1545 accessors.
1546 * config/frv/frv.c (frv_expand_builtin): Likewise.
1547 * config/s390/s390.c (s390_expand_builtin): Likewise.
1549 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
1550 (sparc_expand_builtin): Use new CALL_EXPR accessors.
1552 * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
1553 (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
1554 instead of arglist. Use new CALL_EXPR accessors on it. Fix callers.
1555 (ix86_expand_store_builtin): Likewise.
1556 (ix86_expand_unop_builtin): Likewise.
1557 (ix86_expand_unop1_builtin): Likewise.
1558 (ix86_expand_sse_compare): Likewise.
1559 (ix86_expand_sse_comi): Likewise.
1560 (ix86_expand_vec_init_builtin): Likewise.
1561 (ix86_expand_vec_ext_builtin): Likewise.
1562 (ix86_expand_vec_set_builtin): Likewise.
1563 (ix86_expand_builtin): Use new CALL_EXPR accessors.
1565 * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
1566 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
1568 * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
1569 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
1570 (iq2000_expand_builtin): Use new CALL_EXPR accessors.
1572 * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
1573 build_call_expr.
1574 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
1575 (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
1576 arglist. Use new CALL_EXPR accessors. Fix callers.
1577 (altivec_expand_abs_builtin): Likewise.
1578 (rs6000_expand_binop_builtin): Likewise.
1579 (altivec_expand_predicate_builtin): Likewise.
1580 (altivec_expand_lv_builtin): Likewise.
1581 (spe_expand_stv_builtin): Likewise.
1582 (altivec_expand_stv_builtin): Likewise.
1583 (rs6000_expand_ternop_builtin): Likewise.
1584 (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
1585 (altivec_expand_st_builtin): Likewise.
1586 (altivec_expand_dst_builtin): Likewise.
1587 (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
1588 arglist. Use new CALL_EXPR accessors. Fix callers.
1589 (altivec_expand_vec_set_builtin): Likewise.
1590 (altivec_expand_vec_ext_builtin): Likewise.
1591 (altivec_expand_builtin): Use new CALL_EXPR accessors.
1592 (spe_expand_builtin): Likewise.
1593 (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
1594 arglist. Use new CALL_EXPR accessors. Fix callers.
1595 (spe_expand_evsel_builtin): Likewise.
1596 (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and
1597 FCFSX cases must construct whole new CALL_EXPR, not just arglist.
1599 * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
1600 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
1601 (arm_expand_unop_builtin): Likewise.
1602 (arm_expand_builtin): Use new CALL_EXPR accessors.
1604 * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
1605 accessors.
1607 * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire CALL_EXPR
1608 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
1609 (bfin_expand_unop_builtin): Likewise.
1610 (bfin_expand_builtin): Use new CALL_EXPR accessors.
1612 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
1613 Brooks Moses <brooks.moses@codesourcery.com>
1614 Lee Millward <lee.millward@codesourcery.com>
1616 * c-semantics.c (build_stmt): Add internal diagnostic check.
1618 * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
1619 accessors. Print arguments explicitly instead of as a list.
1621 * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
1623 * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
1624 (c_finish_omp_flish): Likewise.
1626 * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse
1627 arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH
1628 instead of TREE_CODE_LENGTH.
1629 (check_function_arguments_recurse): Use new CALL_EXPR accessors.
1630 (c_warn_unused_result): Likewise.
1632 2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1634 PR c/26494
1635 * doc/invoke.texi (Warning Options): Remove
1636 -Werror-implicit-function-declaration.
1637 (Wimplicit-function-declaration): Update description.
1638 * opts.c (common_handle_option): Move handling of -Werror=* to...
1639 (enable_warning_as_error): ...here.
1640 * opts.h (enable_warning_as_error): Declare.
1641 * c-decl.c (implicit_decl_warning): Unless
1642 -Wno-implicit-function-declaration is given, emit a pedwarn if
1643 -std=c99 or emit a warning if -Wimplicit-function-declaration.
1644 * c.opt (Wimplicit-function-declaration): Replace
1645 mesg_implicit_function_declaration with
1646 warn_implicit_function_declaration.
1647 * c-opts.c (c_common_handle_option):
1648 -Werror-implicit-function-declaration is exactly equal as
1649 -Werror=implicit-function-declaration.
1650 (set_Wimplicit): Replace mesg_implicit_function_declaration with
1651 warn_implicit_function_declaration.
1652 (c_common_post_options): -Wimplict-function-declaration is enabled
1653 by default by -std=c99, otherwise is disabled by default.
1654 * c-objc-common.c (c_objc_common_init): Remove flawed logic.
1656 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
1658 * gimplify.c (gimplify_modify_expr): During gimplification, attach a
1659 DECL on the rhs to a DECL on the lhs for debug info purposes if the
1660 former is ignored but not the latter.
1662 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
1664 * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
1665 is made and the reference doesn't use the alias set of its type,
1666 do not create the temporary using that type.
1668 2007-02-15 Aldy Hernandez <aldyh@redhat.com>
1670 * jump.c: Remove prototypes for delete_computation and
1671 delete_prior_computation.
1673 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
1675 * jump.c (get_label_after): Delete.
1676 (get_label_before, delete_computation, delete_jump,
1677 delete_prior_computation, follow_jumps): Move...
1678 * reorg.c (delete_computation, delete_prior_computation): ... here...
1679 (get_label_before, delete_jump): ... making these static ...
1680 (follow_jumps): ... and simplifying this since it only runs after
1681 reload.
1682 * rtl.h (get_label_after, get_label_before, delete_jump,
1683 follow_jumps): Delete prototypes.
1685 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
1687 * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
1689 2007-02-15 Nick Clifton <nickc@redhat.com>
1691 * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
1692 order to prevent it from being munged by the target.
1694 2007-02-15 Uros Bizjak <ubizjak@gmail.com>
1696 * config/i386/i386.md: Remove misleading comment.
1698 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
1700 * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
1701 reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
1702 invalid patterns.
1704 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
1706 * tree-sra.c (instantiate_missing_elements): Canonicalize
1707 bit-field types.
1708 (sra_build_assignment): New.
1709 (generate_copy_inout, generate_element_copy,
1710 generate_element_zero, generate_one_element_init): Use it.
1712 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
1714 * tree-sra.c (instantiate_missing_elements): Canonicalize
1715 bit-field types.
1716 (sra_build_assignment): New.
1717 (generate_copy_inout, generate_element_copy,
1718 generate_element_zero, generate_one_element_init): Use it.
1720 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
1722 * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
1723 limbo die nodes.
1725 2007-02-14 Joseph Myers <joseph@codesourcery.com>
1727 * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
1728 types as aggregates not scalars.
1729 * function.c (assign_stack_temp_for_type): Likewise.
1731 2007-02-14 Roger Sayle <roger@eyesopen.com>
1732 Zdenek Dvorak <dvorakz@suse.cz>
1734 * tree-dump.c (dump_switch_p_1): Require exact match of the option
1735 name.
1737 2007-02-14 Zdenek Dvorak <dvorakz@suse.cz>
1739 * passes.c (next_pass_1): Clear the next field of the copied
1740 pass structure.
1742 2007-02-14 Richard Henderson <rth@redhat.com>
1744 * tree-sra.c (early_sra): New.
1745 (decl_can_be_decomposed_p): Deny va_list if early_sra.
1746 (tree_sra_early, pass_sra_early): New.
1747 * tree-pass.h (pass_sra_early): Declare.
1748 * passes.c (init_optimization_passes): Use it.
1750 2007-02-14 Richard Guenther <rguenther@suse.de>
1752 * flags.h (issue_strict_overflow_warning): Convert to a macro.
1754 2007-02-14 Dorit Nuzman <dorit@il.ibm.com>
1756 PR tree-optimization/30771
1757 * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
1758 also phi nodes.
1759 (vect_analyze_operations): Induction phis can now be marked as
1760 used_in_loop.
1761 (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
1762 Update documentation accordingly.
1764 2007-02-14 Nick Clifton <nickc@redhat.com>
1766 * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
1767 most 3 arguments are supported.
1768 (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
1770 2007-02-13 Seongbae Park <seongbae.park@gmail.com>
1772 * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
1773 Ensure dst->current is valid.
1775 2007-02-13 Paul Brook <paul@codesourcery.com>
1777 * config.gcc: Add arm*-*-uclinux-*eabi.
1778 * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
1779 (SUBTARGET_EXTRA_LINK_SPEC): Define.
1780 (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
1781 (LINK_GCC_C_SEQUENCE_SPEC): Undef.
1782 (LINK_SPEC): Define.
1783 (LIB_SPEC): Define.
1784 * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
1785 register.
1786 * config/arm/uclinux-eabi.h: New file.
1787 * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
1788 * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
1789 based targets.
1791 2007-02-13 Ian Lance Taylor <iant@google.com>
1793 * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
1794 * flags.h (warn_strict_overflow): Declare.
1795 (enum warn_strict_overflow_code): Define.
1796 (issue_strict_overflow_warning): New static inline function.
1797 * opts.c (warn_strict_overflow): New variable.
1798 (common_handle_option): Handle OPT_Wstrict_overflow and
1799 OPT_Wstrict_overflow_.
1800 * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
1801 OPT_Wall.
1802 * fold-const.c: Include intl.h.
1803 (fold_deferring_overflow_warnings): New static variable.
1804 (fold_deferred_overflow_warning): New static variable.
1805 (fold_deferred_overflow_code): New static variable.
1806 (fold_defer_overflow_warnings): New function.
1807 (fold_undefer_overflow_warnings): New function.
1808 (fold_undefer_and_ignore_overflow_warnings): New function.
1809 (fold_deferring_overflow_warnings_p): New function.
1810 (fold_overflow_warning): New static function.
1811 (make_range): Add strict_overflow_p parameter. Change all
1812 callers.
1813 (extract_muldiv, extract_muldiv_1): Likewise.
1814 (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
1815 tree_expr_nonnegative_p.
1816 (fold_negate_expr): Call fold_overflow_warning.
1817 (fold_range_test): Likewise.
1818 (fold_comparison): Likewise.
1819 (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
1820 instead of tree_expr_nonnegative_p.
1821 (tree_expr_nonnegative_warnv_p): Rename from
1822 tree_expr_nonnegative_p, add strict_overflow_p parameter.
1823 (tree_expr_nonnegative_p): New function.
1824 (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
1825 strict_overflow_p parameter.
1826 (tree_expr_nonzero_p): New function.
1827 * passes.c (verify_interpass_invariants): New static function.
1828 (execute_one_pass): Call it.
1829 * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
1830 warnings.
1831 (number_of_iterations_exit, loop_niter_by_eval): Likewise.
1832 (estimate_numbers_of_iterations): Likewise.
1833 (scev_probably_wraps_p): Likewise.
1834 * tree-ssa-ccp.c: Include "toplev.h".
1835 (evaluate_stmt): Defer fold overflow warnings until we know we are
1836 going to optimize.
1837 (struct fold_stmt_r_data): Add stmt field.
1838 (fold_stmt_r): Defer fold overflow warnings until we know we
1839 optimized.
1840 (fold_stmt): Initialize stmt field of fold_stmt_r_data.
1841 (fold_stmt_inplace): Likewise.
1842 * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
1843 (cleanup_control_expr_graph): Defer fold overflow warnings until
1844 we know we are going to optimize.
1845 * tree-cfg.c (fold_cond_expr_cond): Likewise.
1846 * tree-ssa-threadedge.c (simplify_control_stmt_condition):
1847 Likewise.
1848 * tree-vrp.c (vrp_expr_computes_nonnegative): Call
1849 tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
1850 * tree-ssa-loop-manip.c (create_iv): Likewise.
1851 * c-typeck.c (build_conditional_expr): Likewise.
1852 (build_binary_op): Likewise.
1853 * tree-vrp.c (vrp_expr_computes_nonzero): Call
1854 tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
1855 (extract_range_from_unary_expr): Likewise.
1856 * simplify-rtx.c (simplify_const_relational_operation): Warn when
1857 assuming that signed overflow does not occur.
1858 * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
1859 * tree.h (tree_expr_nonnegative_warnv_p): Declare.
1860 (fold_defer_overflow_warnings): Declare.
1861 (fold_undefer_overflow_warnings): Declare.
1862 (fold_undefer_and_ignore_overflow_warnings): Declare.
1863 (fold_deferring_overflow_warnings_p): Declare.
1864 (tree_expr_nonzero_warnv_p): Declare.
1865 * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
1866 of warning options.
1867 (Warning Options): Document -Wstrict-overflow.
1868 * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
1869 (tree-ssa-ccp.o): Likewise.
1870 (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
1871 (fold-const.o): Depend on intl.h.
1873 2007-02-13 Ian Lance Taylor <iant@google.com>
1875 PR middle-end/30751
1876 * lower-subreg.c (resolve_simple_move): Decompose subregs in
1877 addresses.
1879 2007-02-13 Stuart Hastings <stuart@apple.com>
1881 * gcc/config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
1883 2007-02-13 Richard Henderson <rth@redhat.com>
1885 * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
1886 handled_component_p before looking for the indirect_ref.
1888 2007-02-13 Richard Henderson <rth@redhat.com>
1890 * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
1891 remove flags clobber.
1892 (bswapsi2): New expander, emit code for !TARGET_BSWAP.
1893 (bswaphi_lowpart): New.
1894 (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
1895 remove TARGET_BSWAP test. Delete expander of the same name.
1897 * optabs.c (widen_bswap, expand_doubleword_bswap): New.
1898 (expand_unop): Use them.
1900 2007-02-13 Uros Bizjak <ubizjak@gmail.com>
1902 * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
1903 *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
1904 *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
1905 *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
1906 *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
1907 *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
1908 *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
1909 assembler dialect choice from asm templates.
1911 2007-02-12 Richard Henderson <rth@redhat.com>
1913 * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
1914 (fixuns_trunc<SSEMODEF>si2): Use it.
1915 * config/i386/sse.md (vec_setv4sf_0): Export.
1916 * config/i386/i386.c (ix86_build_const_vector): Export.
1917 (ix86_split_convert_uns_si_sse): Rename from
1918 ix86_expand_convert_uns_si_sse and rewrite as a splitter.
1919 * config/i386/i386-protos.h: Update.
1921 2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1923 PR c/29521
1924 * c-typeck.c (c_finish_return): Improve warning message.
1926 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
1928 * alias.c (find_symbolic_term): Delete unused function.
1930 2007-02-12 Uros Bizjak <ubizjak@gmail.com>
1932 * config/i386/i386.md (paritydi2, paritysi2): New expanders.
1933 (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
1934 (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
1936 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
1938 * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
1939 * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
1940 the function, temporarily point the debug interface to the null one.
1942 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
1944 * dwarf2out.c (round_up_to_align): New static function.
1945 (field_byte_offset): Use it to round the offset.
1947 2007-02-12 Richard Henderson <rth@redhat.com>
1949 * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
1950 (inswl_const): Export.
1952 2007-02-12 Richard Henderson <rth@redhat.com>
1954 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
1955 result mode of the libcall, convert back to outmode.
1957 2007-02-12 Roger Sayle <roger@eyesopen.com>
1959 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
1960 (bswapdi2): New define_expand to implement 32-bit implementation.
1962 2007-02-12 Nick Clifton <nickc@redhat.com>
1964 * doc/invoke.texi (Overall Options): Document --help=.
1965 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
1966 (cc1_options): Pass --help= on to cc1.
1967 (display_help): Add description of --help=.
1968 (process_command): Add code to handle --help=. Allow translated
1969 --help and --target-help switches to be passed on to compiler
1970 sub-process.
1971 (main): Remove unused if statement.
1972 * opts.c (columns): Remove.
1973 (LEFT_COLUMN): Define.
1974 (wrap_help): Add columns argument.
1975 (print_filtered_help): Change parameters to be an include bitmask,
1976 an exclude bitmask, an any bitmask and the column width. Move the
1977 code to display the params list here. Add code to display the
1978 status of options rather than their descriptions if the quiet flag
1979 is not active.
1980 (print_specific_help): Change parameters to be an include bitmask,
1981 an exclude bitmask and an any bitmask. Move code to look up the
1982 column width here. Decide upon the title for an options listing.
1983 (common_handle_options): Add code to handle --help=. Adapt code
1984 for --help and --target-help to use the revised form of the
1985 print_specific_help function.
1986 (print_help): Delete.
1987 (print_param_help): Delete.
1988 (print_switch): Delete.
1989 * opts.h (cl_lang_count): Add prototype.
1990 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
1991 CL_MAX_OPTION_CLASS): New defines.
1992 * optc-gen.awk: Add construction of cl_lang_count.
1993 * c.opt: Add Warning attribute to warning options and Optimization
1994 attribute to optimization options.
1995 * common.opt: Likewise.
1996 Add --help=.
1997 Add -fhelp and -ftarget-help as aliases for the transformed --help
1998 and --target-help options.
1999 * opt-functions.awk: Add code to handle Warning and Optimization
2000 attributes.
2002 2007-02-12 Richard Henderson <rth@redhat.com>
2004 * config/alpha/constraints.md: New file.
2005 * config/alpha/alpha.c: Include tm-constrs.h.
2006 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
2007 alpha_extra_constraint): Remove.
2008 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
2009 * config/alpha/alpha-protos.h: Update.
2010 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
2011 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
2012 (EXTRA_CONSTRAINT): Remove.
2013 * config/alpha/alpha.md: Include constraints.md.
2014 (adddi splitter): Use satisfies_constraint_*.
2015 * config/alpha/predicates.md (add_operand): Likewise.
2016 (sext_add_operand, addition_operation): Likewise.
2018 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
2020 PR tree-optimization/29145
2021 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
2022 in our handling of restrict qualified pointers.
2024 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2026 PR middle-end/7651
2027 * doc/invoke.texi (Wunused-value): Update description.
2028 (Wextra): Delete item.
2029 * opts.c (set_Wextra): Don't use the value of Wextra to set the
2030 value of Wunused-value.
2031 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
2032 (c_finish_stmt_expr): Don't check extra_warnings.
2033 (emit_side_effect_warnings): The caller is responsible to check
2034 warn_unused_value.
2036 2007-02-11 Roger Sayle <roger@eyesopen.com>
2037 Matt Thomas <matt@3am-software.com>
2039 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
2041 2007-02-11 Roger Sayle <roger@eyesopen.com>
2043 * simplify-rtx.c (simplify_relational_operation_1): Optimize
2044 comparisons of POPCOUNT against zero.
2045 (simplify_const_relational_operation): Likewise.
2047 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2049 * doc/invoke.texi (Wextra): Delete outdated paragraph.
2051 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2053 * dwarf2out.c (root_type): Delete unused function.
2055 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2057 * genattrtab.c (contained_in_p): Delete unused function.
2058 (write_expr_attr_cache): Likewise.
2060 2007-02-11 Jan Hubicka <jh@suse.cz>
2062 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
2063 previous patch.
2065 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
2067 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
2068 to add the REG_EQ* note.
2069 * see.c (see_merge_one_use_extension): Likewise.
2070 * local-alloc.c (update_equiv_regs): Likewise. Also don't
2071 turn REG_EQUAL notes into REG_EQUIV notes if the target
2072 register may have more than one set.
2073 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
2074 * gcse.c (try_replace_reg): Likewise.
2075 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
2076 * calls.c (fixup_tail_calls): Likewise. Abort if there is
2077 more than one REG_EQUIV note.
2078 * reload1.c (gen_reload): Use set_unique_reg_note.
2080 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
2082 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
2083 (ix86_builtin_conversion): New function.
2085 2007-02-06 Mark Mitchell <mark@codesourcery.com>
2087 PR target/29487
2088 * tree.h (DECL_REPLACEABLE_P): New macro.
2089 * except.c (set_nothrow_function_flags): Likewise.
2091 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
2092 Ira Rosen <irar@il.ibm.com>
2093 Dorit Nuzman <dorit@il.ibm.com>
2095 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
2096 * targhooks.c (default_builtin_vectorized_conversion): New.
2097 * targhooks.h (default_builtin_vectorized_function): New declaration.
2098 * target.h (struct vectorize): Add builtin_conversion field.
2099 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
2100 stmt_vec_info_type value.
2101 (vectorizable_conversion): New declaration.
2102 * tree-vect-analyze.c (vect_analyze_operations): Add
2103 vectorizable_conversion call.
2104 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
2105 * tree-vect-transform.c (vectorizable_conversion): New function.
2106 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
2107 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
2108 mode.
2109 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
2110 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
2111 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
2112 or ALTIVEC_BUILTIN_VCFSX.
2114 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2116 PR target/30634
2117 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
2118 CONST_DOUBLE and operand 0 is a hard register.
2119 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
2120 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
2121 is a hard floating-point register.
2123 2007-02-10 Richard Henderson <rth@redhat.com>
2124 Jakub Jelinek <jakub@redhat.com>
2125 Alexandre Oliva <aoliva@redhat.com>
2127 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
2128 * builtin-types.def (BT_WORD): Make unsigned.
2129 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
2130 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
2131 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
2132 * c-decl.c (grokdeclarator): Don't error if !have_tls.
2133 * c-parser.c (c_parser_omp_threadprivate): Likewise.
2134 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
2135 emulated tls.
2136 * expr.c (emutls_var_address): New.
2137 (expand_expr_real_1): Expand emulated tls.
2138 (expand_expr_addr_expr_1): Likewise.
2139 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
2140 * output.h (emutls_finish): Declare.
2141 * toplev.c (compile_file): Call it.
2142 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
2143 address before wrapping in CONST.
2144 * varasm.c (emutls_htab, emutls_object_type): New.
2145 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
2146 (get_emutls_object_name, get_emutls_object_type): New.
2147 (get_emutls_init_templ_addr, emutls_decl): New.
2148 (emutls_common_1, emutls_finish): New.
2149 (assemble_variable): When emulating tls, swap decls; generate
2150 constructor for the emutls objects.
2151 (do_assemble_alias): When emulating tls, swap decl and target name.
2152 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
2153 for emulated tls.
2154 * varpool.c (decide_is_variable_needed): Look at force_output.
2155 Recurse for emulated tls.
2156 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
2157 with decide_is_variable_needed.
2158 * emutls.c: New file.
2159 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
2160 tls_object for real tls.
2162 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
2164 PR rtl-optimization/29599
2165 * reload1.c (eliminate_regs_in_insn): Take the destination
2166 mode into account when computing the offset.
2168 2007-02-09 Stuart Hastings <stuart@apple.com>
2169 Richard Henderson <rth@redhat.com>
2171 * gcc/config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2172 * gcc/config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
2173 * gcc/config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
2174 fixuns_truncdfhi2): New.
2175 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
2176 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
2177 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
2178 (floatunssidf2): Allow nonimmediate source.
2179 * gcc/config/i386/sse.md (movdi_to_sse): New.
2180 (vec_concatv2di): Drop '*'.
2181 * gcc/config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
2182 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2183 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
2184 New.
2185 * gcc/config/i386/i386.c (ix86_expand_convert_uns_si_sse,
2186 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
2187 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
2188 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
2189 (ix86_build_signbit_mask): Fix decl of v, refactor to call
2190 ix86_build_const_vector.
2191 (x86_emit_floatuns): Rewrite.
2193 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2195 * genautomata.c (longest_path_length): Delete unused function.
2196 (struct state): Delete unused longest_path_length.
2197 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
2198 (get_free_state): Delete unused.
2200 2007-02-09 Jan Hubicka <jh@suse.cz>
2202 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
2203 * doc/invoke.texi (inline-unit-growth): Update default value.
2205 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
2206 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
2207 (rebuild_cgraph_edges): Likewise.
2208 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
2209 (dump_cgraph_node): Dump frequencies.
2210 (cgraph_clone_edge): Add frequency scales.
2211 (cgraph_clone_node): Add freuqnecy.
2212 * cgraph.h (cgraph_edge): Add freuqnecy argument.
2213 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
2214 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
2215 * tree-pass.h (TODO_rebuild_frequencies): New constant.
2216 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
2217 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
2218 (save_inline_function_body): Likewise.
2219 * ipa-inline.c: inluce rtl.h
2220 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
2221 (cgraph_edge_badness): Use frequencies.
2222 (cgraph_decide_recursive_inlining): Update clonning.
2223 (cgraph_decide_inlining_of_small_function): Dump frequency.
2224 * predict.c (estimate_bb_frequencies): Export.
2225 * predict.h (estimate_bb_frequencies): Declare.
2226 * tree-inline.c (copy_bb): Watch overflows.
2227 (expand_call_inline): Update call of cgraph_create_edge.
2228 (optimize_inline_calls): Use TODO flags to update frequnecies.
2229 * passes.h: Include predict.h
2230 (init_optimization_passes): Move profile ahead.
2231 (execute_function_todo): Handle TODO_rebuild_frequencies.
2233 2007-02-09 Roger Sayle <roger@eyesopen.com>
2235 * config/alpha/alpha.c (emit_insxl): Force the first operand of
2236 the insbl or inswl pattern into a register.
2238 2007-02-09 Roger Sayle <roger@eyesopen.com>
2240 * config/ia64/ia64.md (bswapdi2): New define_insn.
2242 2007-02-09 Richard Henderson <rth@redhat.com>
2244 * config/i386/constraints.md (Ym): New constraint.
2245 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
2246 (movdi_1_rex64): Split sse and xmm general register moves from
2247 memory move alternatives. Use conditional register constraints.
2248 (movsf_1, movdf_integer): Likewise.
2249 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
2250 (movdf_integer_rex64): New.
2251 (pushsf_rex64): Fix output constraints.
2252 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
2253 (sse2_stored): Likewise.
2254 (sse2_storeq_rex64): New.
2255 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
2256 amd and not generic.
2257 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
2258 for optimize_size. Remove SF/DFmode hack.
2260 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
2262 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
2263 (bit_SSE4a): New.
2265 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
2266 Richard Sandiford <richard@codesourcery.com>
2268 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
2269 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
2270 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
2271 m68k/t-mlib to tmake_file.
2272 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
2273 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
2274 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
2275 Allow it to be cf or m68k. Set m68k_arch_family. If that
2276 variable is not empty, add t-$m68k_arch_family to tmake_file.
2277 Add t-mlibs to tmake_file.
2278 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
2279 * config/m68k/t-cf: New file.
2280 * config/m68k/t-m68k: Likewise.
2281 * config/m68k/t-mlibs: Likewise.
2282 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2283 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2284 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2285 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2286 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
2287 Delete.
2288 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
2289 (INSTALL_LIBGCC): Delete.
2290 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
2291 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2292 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2293 (M68K_MLIB_CPU): Define.
2294 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
2295 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
2296 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
2298 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
2299 Richard Guenther <rguenther@suse.de>
2301 PR middle-end/23361
2302 * fold-const.c (fold_comparison): Handle obfuscated comparisons
2303 against INT_MIN/INT_MAX.
2304 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
2305 file if a loop is removed.
2307 2007-02-09 Joseph Myers <joseph@codesourcery.com>
2309 * calls.c (store_one_arg): Pass correct alignment to
2310 emit_push_insn for non-BLKmode values.
2311 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
2312 unaligned stack slot via a suitably aligned slot.
2314 2007-02-08 DJ Delorie <dj@redhat.com>
2316 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
2317 warnings.
2318 (legal_subregs): Use unsigned char, make const.
2319 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
2321 2007-02-08 Paul Brook <paul@codesourcery.com>
2323 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
2324 special interworking needed.
2326 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
2328 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
2329 conditional to __SSE2__.
2330 (Entries below should have been added to first ChangeLog
2331 entry for amdfam10 dated 2007-02-05)
2332 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
2333 defined.
2334 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
2335 defined.
2336 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
2337 defined.
2339 2007-02-08 DJ Delorie <dj@redhat.com>
2341 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
2342 * config/m32c/m32c.c (legal_subregs): New.
2343 (m32c_illegal_subreg_p): New.
2344 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
2345 unsupported subregs of hard regs.
2347 2007-02-08 Jan Hubicka <jh@suse.cz>
2349 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
2350 the same one; always update histograms.
2352 2007-02-08 Diego Novillo <dnovillo@redhat.com>
2354 * passes.c (init_optimization_passes): Tidy comment.
2356 2007-02-08 Roger Sayle <roger@eyesopen.com>
2358 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
2359 strip zero_extend, bswap and rotates from POCOUNT's argument.
2360 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
2361 zero_extend and rotates from PARITY's argument.
2362 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
2363 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
2364 of an integer constant at compile-time.
2366 2007-02-08 Diego Novillo <dnovillo@redhat.com>
2368 PR 30562
2369 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
2370 Update all users.
2371 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
2372 users.
2373 (init_alias_info):
2374 * tree-ssa-live.c (remove_unused_locals): Do not remove
2375 TREE_ADDRESSABLE variables.
2376 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
2377 * tree-ssa-operands.c (add_virtual_operand): Remove argument
2378 FOR_CLOBBER. Update all users.
2379 If VAR has an associated alias set, add a virtual operand for
2380 it if no alias is found to conflict with the memory reference.
2382 2007-02-07 Jan Hubicka <jh@suse.cz>
2383 Robert Kidd <rkidd@crhc.uiuc.edu>
2385 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
2387 2007-02-07 Ian Lance Taylor <iant@google.com>
2389 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
2391 2007-02-07 Roger Sayle <roger@eyesopen.com>
2393 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
2394 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
2395 tablejumpdi, movsi_to_cr_one): Remove constraints from
2396 define_expand's match_operands.
2398 2007-02-07 Roger Sayle <roger@eyesopen.com>
2400 * global.c (compute_regsets): Move declatation of "i" inside of
2401 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
2403 2007-02-07 Jakub Jelinek <jakub@redhat.com>
2405 PR c++/30703
2406 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
2407 of INDIRECT_REF <RESULT_DECL>.
2409 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
2411 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
2412 Kaz Kojima <kkojima@gcc.gnu.org>
2414 PR target/29746
2415 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
2416 properly.
2417 (sh_initialize_trampoline): Add parentheses to avoid a warning.
2419 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
2421 * doc/loop.texi: Document possibility not to perform disambiguation
2422 of loops with multiple latches.
2423 * cfgloopmanip.c (alp_enum_p): Removed.
2424 (add_loop): Handle subloops. Use get_loop_body_with_size.
2425 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
2426 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
2427 the new forwarder block.
2428 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
2429 Handle the case latch is NULL.
2430 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg modifications
2431 when marking loop exits.
2432 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
2433 be modified.
2434 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
2435 disambiguate_loops_with_multiple_latches.
2436 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
2437 before fix_loop_structure.
2438 * cfgloop.c: Include pointer-set.h and output.h.
2439 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
2440 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
2441 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
2442 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
2443 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
2444 disambiguate_multiple_latches, get_loop_body_with_size,
2445 disambiguate_loops_with_multiple_latches): New functions.
2446 (flow_loop_dump): Dump multiple latch edges.
2447 (flow_loop_nodes_find): Handle loops with multiple latches.
2448 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
2449 (glb_enum_p): Modified.
2450 (get_loop_body): Use get_loop_body_with_size.
2451 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
2452 (AVOID_CFG_MODIFICATIONS): New constant.
2453 (disambiguate_loops_with_multiple_latches, add_loop,
2454 get_loop_body_with_size): Declare.
2455 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
2457 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
2459 PR inline-asm/28686
2460 * global.c (compute_regsets): New function.
2461 (global_alloc): Refactored ELIMINABLE_REGSET
2462 and NO_GLOBAL_ALLOC_REGS computation out.
2463 (rest_of_handle_global_alloc): Call compute_regsets()
2464 for non-optimizing case.
2466 2007-02-06 Richard Henderson <rth@redhat.com>
2468 * config/i386/constraints.md (Y2): Rename from Y.
2469 (Yi): New constraint.
2470 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
2471 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
2472 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
2473 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
2474 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
2475 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
2476 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
2477 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
2478 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
2479 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
2480 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
2481 vec_extractv2si_1): Change Y constraints to Y2.
2482 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
2483 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
2484 Change Y constraints to Y2.
2485 (sse2_loadld): Change Y constraints to x.
2487 2007-02-06 Roger Sayle <roger@eyesopen.com>
2489 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
2490 (parity<mode>2): New define_expand using rs6000_emit_parity.
2491 * config/rs6000/rs6000.c (rs6000_emit_popcount,
2492 rs6000_emit_parity): New functions.
2493 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
2494 rs6000_emit_parity): Prototype here.
2496 2007-02-06 Ian Lance Taylor <iant@google.com>
2498 * lower-subreg.c (simple_move_operand): Reject CONST.
2499 (resolve_clobber): Call validate_change rather than directly
2500 assigning to XEXP (pat, 0).
2502 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
2504 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
2505 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
2506 (tree-cfg.o): Remove hashtab.h dependency.
2508 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
2509 (struct ivopts_data): Change niters to pointer_map_t.
2510 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
2511 (niter_for_exit): Create pointer_map on demand. Change for
2512 pointer_map API.
2513 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
2514 (free_loop_data): Destroy data->niters if created and reset field.
2515 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
2516 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
2518 * tree-ssa-reassoc.c: Include pointer-set.h.
2519 (bb_rank): Change to long *.
2520 (operand_rank): Change to pointer_map_t.
2521 (find_operand_rank): Return long, -1 if not found. Declare as inline.
2522 (insert_operand_rank): Accept long.
2523 (operand_entry_hash, operand_entry_eq): Remove.
2524 (get_rank): Return long. Adjust for changes above.
2525 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
2526 and operand_rank.
2527 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
2529 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
2530 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
2531 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
2532 is not NULL.
2533 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
2534 directly since it cannot be NULL.
2535 (get_vi_for_tree): Rewrite for pointer_map API.
2536 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
2537 (init_alias_vars): Create vi_for_tree as pointer_map.
2538 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
2540 * tree-cfg.c: Don't include hashtab.h.
2541 (edge_to_cases): Declare as pointer_map.
2542 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
2543 Delete.
2544 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
2545 (start_recording_case_labels): Create edge_to_cases as pointer_map.
2546 (end_recoding_case_labels): Cleanup edge_to_cases manually before
2547 destroying it.
2548 (record_switch_edge): Delete.
2549 (get_cases_for_edge): Adjust for pointer_map API, inline
2550 record_switch_edge (rewritten for new API), remove goto.
2552 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
2554 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
2555 * tree-nested.c: Include pointer-set.h.
2556 (var_map_elt, var_map_eq, var_map_hash): Delete.
2557 (struct nesting_info): Remove GTY marker. Change the two htab_t's
2558 to pointer_map_t's.
2559 (nesting_info_bitmap_obstack): New.
2560 (lookup_field_for_decl): Adjust for pointer_map API.
2561 (lookup_tramp_for_decl): Adjust for pointer_map API.
2562 (get_nonlocal_debug_decl): Adjust for pointer_map API.
2563 (get_local_debug_decl): Adjust for pointer_map API.
2564 (convert_nl_goto_reference): Adjust for pointer_map API.
2565 (convert_nl_goto_receiver): Adjust for pointer_map API.
2566 (create_nesting_tree): Create outside GGC space. Create bitmap on
2567 the new obstack. Create field_map and var_map as pointer_maps.
2568 (free_nesting_tree): Adjust for changes to create_nesting_tree.
2569 (root): Delete.
2570 (lower_nested_functions): Move root here, no need to NULL it.
2571 Initialize and release the obstack.
2573 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
2575 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
2576 Remove prototypes and make them non-static.
2577 (struct tree_int_map): Remove.
2578 * tree.h (struct tree_int_map): Move here, turning TO into an
2579 unsigned int.
2580 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
2582 * tree.h (TREE_COMPLEXITY): Remove.
2583 (struct tree_exp): Remove complexity field.
2584 * tree.c (build1_stat): Don't set it.
2586 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
2587 Victor Kaplansky <victork@il.ibm.com>
2589 * tree-vectorizer.c (vect_is_simple_use): Support induction.
2590 (vect_is_simple_reduction): Support reduction with induction as
2591 one of the operands.
2592 (vect_is_simple_iv_evolution): Fix formatting.
2593 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
2594 formatting. Don't mark induction phis for vectorization.
2595 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
2596 * tree-vect-transform.c (get_initial_def_for_induction): New function.
2597 (vect_get_vec_def_for_operand): Support induction.
2598 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
2599 induction case.
2600 (vectorizable_reduction): Support reduction with induction as one of
2601 the operands.
2602 (vectorizable_type_demotion): Use def-type of stmt argument rather
2603 than dummy def-type.
2605 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
2606 flag_tree_scev_cprop.
2607 * common.opt (tree-scev-cprop): New flag.
2609 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
2610 call to vect_get_new_vect_var.
2612 2007-02-06 Ira Rosen <irar@il.ibm.com>
2614 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
2615 vectype is not NULL.
2616 (vect_pattern_recog_1): Likewise.
2618 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2620 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
2621 (fold_negate_expr): Likewise.
2623 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
2625 PR debug/30189
2626 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
2627 even if cv-qualification is the same.
2629 2007-02-05 Geoffrey Keating <geoffk@apple.com>
2631 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
2632 __enable_execute_stack on completion.
2634 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2636 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
2637 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
2638 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
2639 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
2640 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
2641 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
2642 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
2643 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
2645 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2647 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
2648 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
2649 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
2650 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
2651 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
2652 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
2653 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
2654 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
2655 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
2656 umuldi3_highpart_rex64, umulsi3_highpart_insn,
2657 umulsi3_highpart_zext, smuldi3_highpart_rex64,
2658 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
2659 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
2660 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
2661 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
2662 sqrtextenddfxf2_i387): Added amdfam10_decode.
2664 * config/i386/athlon.md (athlon_idirect_amdfam10,
2665 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
2666 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
2667 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
2668 athlon_ivector_store_amdfam10): New define_insn_reservation.
2669 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
2670 amdfam10.
2672 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2674 * config/i386/athlon.md (athlon_call_amdfam10,
2675 athlon_pop_amdfam10, athlon_lea_amdfam10): New
2676 define_insn_reservation.
2677 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
2678 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
2679 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
2681 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2683 * config/i386/athlon.md (athlon_sseld_amdfam10,
2684 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
2685 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
2687 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2689 * config/i386/athlon.md (athlon_sseins_amdfam10): New
2690 define_insn_reservation.
2691 * config/i386/i386.md (sseins): Added sseins to define_attr type
2692 and define_attr unit.
2693 * config/i386/sse.md: Set type attribute to sseins for insertq
2694 and insertqi.
2696 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2698 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
2699 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
2700 ssecomi_load_amdfam10, ssecomi_amdfam10,
2701 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
2702 define_insn_reservation.
2703 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
2705 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2707 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
2708 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
2709 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
2710 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
2711 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
2712 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
2713 define_insn_reservation.
2715 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
2716 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
2717 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
2718 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
2719 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
2721 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2723 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
2724 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
2725 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
2726 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
2727 athlon_ssemul_load_k8): Added amdfam10.
2729 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2731 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
2732 (x86_sse_unaligned_move_optimal): New variable.
2734 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
2735 m_AMDFAM10.
2736 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
2737 for unaligned vector SSE double/single precision loads for AMDFAM10.
2739 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2741 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
2742 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
2743 Define TARGET_CPU_DEFAULT_amdfam10.
2744 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
2745 (processor_type): Add PROCESSOR_AMDFAM10.
2747 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
2748 processor_type in config/i386/i386.h.
2749 Enable imul peepholes for TARGET_AMDFAM10.
2751 * config.gcc: Add support for --with-cpu option for amdfam10.
2753 * config/i386/i386.c (amdfam10_cost): New variable.
2754 (m_AMDFAM10): New macro.
2755 (m_ATHLON_K8_AMDFAM10): New macro.
2756 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
2757 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
2758 x86_promote_QImode, x86_integer_DFmode_moves,
2759 x86_partial_reg_dependency, x86_memory_mismatch_stall,
2760 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
2761 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
2762 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
2763 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
2764 Enable/disable for amdfam10.
2765 (override_options): Add amdfam10_cost to processor_target_table.
2766 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
2767 processor_alias_table.
2768 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
2769 (ix86_adjust_cost): Add code for amdfam10.
2771 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
2773 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
2774 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
2775 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
2776 * config/i386/i386.h: Add builtin definition for SSE4A.
2777 * config/i386/i386.md: Add support for ABM instructions
2778 (popcnt and lzcnt).
2779 * config/i386/sse.md: Add support for SSE4A instructions
2780 (movntss, movntsd, extrq, insertq).
2781 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
2782 Add -march=amdfam10 flag.
2783 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
2784 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
2785 and amdfam10.
2786 * doc/extend.texi: Add documentation for SSE4A builtins.
2788 2007-02-05 Bob Wilson <bob.wilson@acm.org>
2790 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
2792 2007-02-05 Richard Guenther <rguenther@suse.de>
2794 * tree-vectorizer.h (vectorizable_function): Add argument type
2795 argument, change return type.
2796 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
2797 * tree-vect-transform.c (vectorizable_function): Handle extra
2798 argument, return vectorized function decl.
2799 (build_vectorized_function_call): Remove.
2800 (vectorizable_call): Handle calls with result and argument types
2801 differing. Handle loop vectorization factor correctly.
2802 * targhooks.c (default_builtin_vectorized_function): Adjust for
2803 extra argument.
2804 * targhooks.h (default_builtin_vectorized_function): Likewise.
2805 * target.h (builtin_vectorized_function): Add argument type
2806 argument.
2807 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
2808 extra argument, allow vectorizing of lrintf.
2809 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
2810 documentation of target hook.
2812 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
2814 PR target/30665
2815 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
2816 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
2817 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
2819 2007-02-05 Roger Sayle <roger@eyesopen.com>
2821 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
2822 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
2823 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
2824 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
2825 before canonicalizing sincos to cexpi.
2826 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
2828 2007-02-05 Roger Sayle <roger@eyesopen.com>
2830 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
2831 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
2832 (alpha_init_builtins): Use alpha_add_builtins to process tables.
2834 2007-02-05 Roger Sayle <roger@eyesopen.com>
2836 * mips-tfile.c (initialize_init_file): Correct endianness test.
2838 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
2840 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
2841 the 'y' constraint.
2843 2007-02-05 Richard Sandiford <richard@codesourcery.com>
2845 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
2846 saves in a PARALLEL before the register assignments.
2848 2007-02-05 Richard Sandiford <richard@codesourcery.com>
2850 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
2851 DWARF_FRAME_RETURN_COLUMN to be a general register.
2852 * dwarf2out.c (init_return_column_size): New function, split from...
2853 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
2854 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
2855 to be nongeneral registers.
2856 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
2857 integer registers.
2858 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
2859 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
2861 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2863 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
2865 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
2867 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
2868 (remove_path): Use can_remove_branch_p and remove_branch instead
2869 of loop_delete_branch_edge.
2870 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
2871 (tree_transform_and_unroll_loop): Remove dead branches immediately.
2872 Update profile using scale_dominated_blocks_in_loop.
2873 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
2874 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
2875 (can_remove_branch_p, remove_branch): Declare.
2876 * tree-cfg.c (tree_can_remove_branch_p): New function.
2877 (tree_cfg_hooks): Add tree_can_remove_branch_p.
2878 * cfgrtl.c (rtl_can_remove_branch_p): New function.
2879 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
2881 2007-02-05 Jan Hubicka <jh@suse.cz>
2883 PR middle-end/30696
2884 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
2885 nodes in cgraph, don't remove offline copy of the function.
2887 2007-02-04 Jan Hubicka <jh@suse.cz>
2889 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
2890 vectors might cause maybe_lookup_element_for_expr to be called
2891 on non-sra-candidate.
2893 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
2895 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
2896 config/bfin/bfin.md, config/bfin/predicates.md: Follow
2897 spelling conventions.
2899 2007-02-04 Richard Guenther <rguenther@suse.de>
2901 PR middle-end/30636
2902 * fold-const.c (try_move_mult_to_index): Make sure to not
2903 overflow one dimension of a multi-dimensional array access.
2905 2007-02-04 Jan Hubicka <jh@suse.cz>
2907 * passes.c (init_optimization_passes): Reindent.
2909 2007-02-04 Jan Hubicka <jh@suse.cz>
2910 Eric Botcazou <ebotcazou@adacore.com>
2912 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
2913 (execute_fixup_cfg): Break out the abnormal goto code.
2914 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
2915 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
2916 (optimize_inline_calls): Call make_nonlocal_label_edges.
2918 2007-02-04 Jan Hubicka <jh@suse.cz>
2920 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
2921 true when something was changed.
2922 (rename_ssa_copies): When something was changed, do
2923 TODO_remove_unused_locals.
2924 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
2925 add TODO_remove_unused_locals when instruction was removed.
2927 2007-02-04 Jan Hubicka <jh@suse.cz>
2929 * ipa-inline.c (try_inline): Improve debug output; work on already
2930 inline edges too.
2931 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
2932 call try_inline for already inlined edges too when flattening;
2933 inline also functions that make callee growth but overall unit size
2934 reduce.
2936 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
2938 * config/m32c/bitops.md, config/m32c/jump.md,
2939 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
2940 config/m32r/m32r.h, config/m32r/m32r.md,
2941 config/m32r/predicates.md, config/m68hc11/larith.asm,
2942 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
2943 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
2944 config/mips/mips-protos.h, config/mips/mips.c,
2945 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
2946 config/mn10300/mn10300.h, config/mn10300/predicates.md,
2947 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
2948 spelling conventions.
2950 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
2951 Follow spelling conventions.
2953 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
2955 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
2956 warn about C++0x compatibility.
2958 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
2960 * config/h8300/h8300.c, config/h8300/h8300.h,
2961 config/h8300/h8300.md: Follow spelling conventions.
2963 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
2965 PR middle-end/30667
2966 * combine.c (try_combine): Do not substitute source operand
2967 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
2969 2007-02-03 Jan Hubicka <jh@suse.cz>
2971 PR gcov-profile/30650
2972 * value-prof.c (stringop_block_profile): Fix handling of size counter;
2973 do not divide by zero for never executed counters.
2974 (tree_find_values_to_profile): Fix counters.
2975 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
2977 2007-02-03 Ian Lance Taylor <iant@google.com>
2979 * lower-subreg.c (simple_move_operand): New static function,
2980 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
2981 operands.
2982 (simple_move): Call simple_move_operand.
2983 (find_decomposable_subregs): Add special handling of MEMs.
2984 (can_decompose_p): Rename from cannot_decompose_p. Reverse
2985 meaning of return value. If we see a hard register, test whether
2986 it can store a word_mode value. Change all callers.
2988 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2990 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
2991 ftrapv insns and expanders.
2992 (subdi3): Change define_expand operand 1 to arith11_operand, and
2993 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
2994 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
2995 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
2996 respectively.
2998 PR middle-end/30174
2999 * varasm.c (notice_global_symbol): Treat global objects as weak when
3000 flag_shlib is true.
3002 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3004 * emit-rtl.c (dconstpi): Delete.
3005 (dconstsqrt2): New.
3006 (init_emit_once): Delete dconstpi and init dconstsqrt2.
3007 * real.h (dconstpi): Delete.
3008 (dconstsqrt2): New.
3009 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
3010 (fold_builtin_hypot): Likewise.
3012 2007-02-03 Tom Tromey <tromey@redhat.com>
3014 PR driver/30246
3015 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
3016 -gcoff3, -gxcoff3, -gvms3 implies -dD.
3018 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
3020 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
3021 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
3022 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
3023 config/rs6000/cell.md, config/rs6000/darwin.h,
3024 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
3025 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
3026 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
3027 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
3028 typos. Follow spelling conventions.
3029 * doc/invoke.texi: Follow spelling conventions.
3031 2007-02-03 Roger Sayle <roger@eyesopen.com>
3033 * simplify-rtx.c (simplify_relational_operation_1): Implement some
3034 canonicalization transformations that attempt to simplify integer
3035 constant comparisons to become comparisons against zero.
3037 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3039 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
3040 fabs(x)*sqrt(2).
3041 * fold-const.c (fold_binary): Fix comment typos. Fold complex
3042 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
3044 2007-02-02 Mike Stump <mrs@apple.com>
3046 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
3047 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
3048 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
3049 generate a branch island.
3051 2007-02-02 Bob Wilson <bob.wilson@acm.org>
3053 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
3054 (xtensa_legitimate_address_p): New.
3055 (xtensa_legitimize_address): New.
3056 (xtensa_output_addr_const_extra): New.
3057 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
3058 (BASE_REG_P): New.
3059 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
3060 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
3061 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
3062 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
3063 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
3064 (xtensa_legitimize_address): New.
3065 (xtensa_output_addr_const_extra): New.
3067 2007-02-02 Steve Ellcey <sje@cup.hp.com>
3069 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
3071 2007-02-02 Ian Lance Taylor <iant@google.com>
3073 * expmed.c (expand_divmod): Add comment.
3075 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
3077 * emit-rtl.c (renumber_insns): Remove.
3078 * flags.h: Remove the extern for flag_renumber_insns.
3079 * rtl.h: Remove the prototype for renumber_insns.
3080 * toplev.c (flag_renumber_insns): Remove.
3082 2007-02-02 Hui-May Chang <hm.chang@apple.com>
3084 Revert for x86 darwin:
3085 2005-06-19 Uros Bizjak <uros@kss-loka.si>
3087 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
3088 code before the following patch under TARGET_MACHO.
3089 (ix86_function_value_regno_p): Likewise.
3091 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3093 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
3094 COMPLEX_EXPR.
3096 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3098 PR target/29682
3099 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory loads to
3100 general or fp registers. Add comments.
3101 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
3103 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
3105 * pointer-set.c (insert_aux): Only return insertion slot.
3106 (pointer_set_insert): Adjust.
3107 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
3108 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
3109 pointer_map_traverse): New.
3110 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
3111 pointer_map_create, pointer_map_destroy, pointer_map_insert,
3112 pointer_map_contains, pointer_map_traverse): Declare.
3114 2007-02-02 Jakub Jelinek <jakub@redhat.com>
3116 PR middle-end/30473
3117 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
3118 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
3120 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3122 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
3124 (struct _dep): New type.
3125 (dep_t): New typedef.
3126 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
3127 (DEP_STATUS): New access macro. The macro with the same name was
3128 renamed to DEP_LINK_STATUS.
3129 (dep_init): Declare function
3131 (struct _dep_link): New type.
3132 (dep_link_t): New typedef.
3133 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
3134 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
3135 (DEP_LINK_STATUS): New macro.
3136 (debug_dep_links): New debug function.
3138 (struct _deps_list): New type.
3139 (deps_list_t): New typedef.
3140 (DEPS_LIST_FIRST): New access macro.
3141 (FOR_EACH_DEP_LINK): New cycle macro.
3142 (create_deps_list, free_deps_list, delete_deps_list): Declare
3143 functions.
3144 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
3145 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
3146 (copy_deps_list_change_con): Ditto.
3148 (move_dep_link): Declare function.
3150 (struct _dep_node): New type.
3151 (dep_node_t): New typedef.
3152 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
3154 (struct haifa_insn_data.back_deps): New field to hold backward
3155 dependencies of the insn.
3156 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
3157 to deps_list_t.
3158 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
3159 Change its type to deps_list_t.
3160 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
3161 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
3162 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
3164 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
3166 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
3168 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration and
3169 all callers.
3170 (dep_cost): Declare.
3172 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
3173 (ds_to_dk, dk_to_ds): New functions.
3175 (init_dep_1): New static function.
3176 (init_dep): New function.
3177 (copy_dep): New static function.
3179 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
3180 functions.
3181 (detach_dep_link): New static function.
3182 (move_dep_link): New function.
3184 (dep_links_consistent_p, dump_dep_links): New static functions.
3185 (debug_dep_links): New debugging function.
3187 (deps_obstack, dl_obstack, dn_obstack): New static variables.
3189 (alloc_deps_list, init_deps_list): New static functions.
3190 (create_deps_list): New function.
3191 (clear_deps_list): New static function.
3192 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
3193 (deps_list_consistent_p, dump_deps_list): New static functions.
3194 (debug_deps_list): New function.
3195 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
3196 functions.
3197 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
3199 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
3200 use new scheduler dependencies lists.
3201 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
3202 (sched_analyze): Ditto. Initialize dependencies lists.
3203 (add_forw_dep, compute_forward_dependences): Update to use new
3204 scheduler dependencies lists.
3206 (init_dependency_caches): Init deps_obstack.
3207 (free_dependency_caches): Free deps_obstack.
3209 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
3210 new scheduler dependencies lists.
3211 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
3212 (add_back_forw_dep, delete_back_forw_dep): Ditto.
3214 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
3215 Update to use new scheduler dependencies lists.
3216 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
3217 (debug_dependencies): Ditto.
3218 (schedule_region): Update comments.
3220 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
3221 scheduler dependencies lists.
3222 (schedule_ebb): Update comments.
3224 * rtl.def (DEPS_LIST): Remove.
3226 * lists.c (unused_deps_list): Remove.
3227 (free_list): Update assertions.
3229 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
3230 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3232 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
3233 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
3235 * haifa-sched.c (comments): Update.
3236 (insn_cost1): Remove. Inline the code into insn_cost ().
3237 (insn_cost): Update to use new scheduler dependencies lists. Move
3238 processing of the dependency cost to dep_cost ().
3239 (dep_cost): New function. Use it instead of insn_cost () when
3240 evaluating cost of the dependency. Use compatible interface to
3241 interact with the target.
3242 (priority): Update to use new scheduler dependencies lists.
3243 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
3244 with greater number of insns that depend on the insn.
3245 (schedule_insn): Update to use new scheduler dependencies lists. Add
3246 code to free backward dependencies lists. Inline and optimize code
3247 from resolve_dep () - see PR28071.
3248 (ok_for_early_queue_removal): Update to use new scheduler dependencies
3249 lists. Update call to targetm.sched.is_costly_dependence hook.
3251 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
3252 scheduler dependencies lists.
3254 (resolve_dep): Remove. Move the logic to schedule_insn ().
3255 (init_h_i_d): Initialize dependencies lists.
3257 (process_insn_depend_be_in_spec): Rename to
3258 process_insn_forw_deps_be_in_spec. Update to use new scheduler
3259 dependencies lists.
3260 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
3261 Update to use new scheduler dependencies lists.
3262 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
3264 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
3265 new scheduler dependencies lists.
3266 (build_intra_loop_deps): Ditto.
3268 * target.h (struct _dep): Declare to use in
3269 gcc_target.sched.is_costly_dependence.
3270 (struct gcc_target.sched.adjust_cost): Fix typo.
3271 (struct gcc_target.sched.is_costly_dependence): Change signature to use
3272 single dep_t parameter instead of an equivalent triad.
3273 (struct gcc_target.sched.adjust_cost_2): Remove.
3275 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
3277 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
3279 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
3280 documentation.
3281 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
3283 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
3284 (REG_DEP_TRUE): Document.
3286 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
3287 Change signature to correspond to the targetm.sched.adjust_cost hook.
3288 Update use in TARGET_SCHED_ADJUST_COST_2.
3289 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
3290 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
3291 new scheduler dependencies lists.
3292 (ia64_gen_check): Ditto.
3294 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new scheduler
3295 dependencies lists.
3297 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
3298 signature to correspond to the targetm.sched.is_costly_dependence hook.
3299 (is_costly_group): Update to use new scheduler dependencies lists.
3301 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
3302 instead of INSN_COST () macro.
3304 2007-02-01 Ian Lance Taylor <iant@google.com>
3306 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
3308 2007-02-01 Guy Martin <gmsoft@gentoo.org>
3310 * pa.md (tp_load): Correct mfctl instruction syntax.
3312 2007-02-01 Geoffrey Keating <geoffk@apple.com>
3314 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
3315 altivec_padding_size calculation on AIX. Improve comment, add
3316 assert to verify that it's right.
3318 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
3319 64-bit.
3321 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
3323 PR inline-asm/28686
3324 * global.c (global_alloc): Add mising initialization of
3325 ELIMINABLE_REGSET.
3327 2007-02-01 Roger Sayle <roger@eyesopen.com>
3329 * alias.c (init_alias_analysis): Correct whitespace.
3330 * bb-reorder.c (fix_edges_for_rarely_executed_code,
3331 partition_hot_cold_basic_blocks): Likewise.
3332 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
3333 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
3334 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
3335 fold_builtin_snprintf_chk, fold_builtin_printf,
3336 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
3337 do_mpfr_arg3, do_mpfr_sincos): Likewise.
3338 * cfgcleanup.c (cleanup_cfg): Likewise.
3339 * cfgexpand.c (tree_expand_cfg): Likewise.
3340 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
3341 * function.c (get_next_funcdef_no): Likewise.
3342 * gengtype.c (main): Likewise.
3343 * genmodes.c (main): Likewise.
3344 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
3345 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
3346 * ifcvt.c (noce_emit_move_insn): Likewise.
3347 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
3348 Likewise.
3349 * stor-layout.c (get_best_mode): Likewise.
3350 * tree-ssa-loop-niter.c (get_val_for): Likewise.
3351 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
3352 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
3353 perform_var_substitution, solve_graph): Likewise.
3354 * tree-vrp.c (vrp_finalize): Likewise.
3356 2007-02-01 Ian Lance Taylor <iant@google.com>
3358 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
3359 high part of a paradoxical subreg, return a constant zero.
3361 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
3363 * toplev.c (lang_dependent_init): Call init_set_costs.
3364 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
3366 2007-02-01 Richard Guenther <rguenther@suse.de>
3368 PR middle-end/30656
3369 * fold-const.c (fold_negate_expr): Allow negating a
3370 constant if overflow does not change.
3372 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3374 * doc/c-tree.texi (Expression trees): Improve markup.
3375 * doc/tm.texi (Register Classes, Addressing Modes)
3376 (Floating Point): Fix spacing after abbreviations. Fix some
3377 typos.
3379 2007-02-01 Ben Elliston <bje@au.ibm.com>
3381 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
3382 * doc/contrib.texi: Likewise.
3383 * doc/install.texi: Likewise.
3385 2007-01-31 Richard Henderson <rth@redhat.com>
3386 Ian Lance Taylor <iant@google.com>
3388 * lower-subreg.c: New file.
3389 * rtl.def (CONCATN): Define.
3390 * passes.c (init_optimization_passes): Add pass_lower_subreg and
3391 pass_lower_subreg2.
3392 * emit-rtl.c (update_reg_offset): New static function, broken out
3393 of gen_rtx_REG_offset.
3394 (gen_rtx_REG_offset): Call update_reg_offset.
3395 (gen_reg_rtx_offset): New function.
3396 * regclass.c: Revert patch of 2006-03-05, restoring
3397 reg_scan_update.
3398 (clear_reg_info_regno): New function.
3399 * dwarf2out.c (concatn_loc_descriptor): New static function.
3400 (loc_descriptor): Handle CONCATN.
3401 * common.opt (fsplit_wide_types): New option.
3402 * opts.c (decode_options): Set flag_split_wide_types when
3403 optimizing.
3404 * timevar.def (TV_LOWER_SUBREG): Define.
3405 * rtl.h (gen_reg_rtx_offset): Declare.
3406 (reg_scan_update): Declare.
3407 * regs.h (clear_reg_info_regno): Declare.
3408 * tree-pass.h (pass_lower_subreg): Declare.
3409 (pass_lower_subreg2): Declare.
3410 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
3411 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
3412 -fsplit-wide-types.
3413 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
3414 * Makefile.in (OBJS-common): Add lower-subreg.o.
3415 (lower-subreg.o): New target.
3417 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
3419 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
3421 2007-01-31 Anatoly Sokolov <aesok@post.ru>
3423 PR target/19087
3424 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
3426 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3428 PR middle-end/29335
3429 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
3431 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
3433 * cfgloop.h: Include vec-prim.h.
3434 (enum li_flags): Remove LI_ONLY_OLD.
3435 (loop_iterator): Changed.
3436 (fel_next, fel_init): Iterate over loop tree.
3437 (FOR_EACH_LOOP_BREAK): New macro.
3438 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
3439 FOR_EACH_LOOP.
3440 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
3441 * modulo-sched.c (sms_schedule): Ditto.
3442 * tree-vectorizer.c (vectorize_loops): Ditto.
3443 * doc/loop.texi: Update information on loop numbering and behavior of
3444 FOR_EACH_LOOP wrto new loops.
3445 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
3446 add_to_evolution_1): Test nestedness of loops instead of comparing
3447 their numbers.
3448 * tree-chrec.c (chrec_fold_plus_poly_poly,
3449 chrec_fold_multiply_poly_poly, chrec_evaluate,
3450 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
3451 reset_evolution_in_loop): Ditto.
3452 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
3454 2007-01-31 Dirk Mueller <dmueller@suse.de>
3456 * c-common.c (warn_about_parentheses): Separate warning about
3457 un-parenthized sequence of comparison operators from the one
3458 which is supposed to warn about x <= y <= z.
3460 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
3462 * optabs.h (enum optab_index): Add new OTI_isinf.
3463 (isinf_optab): Define corresponding macro.
3464 * optabs.c (init_optabs): Initialize isinf_optab.
3465 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
3466 patterns.
3467 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
3468 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
3469 using isinf_optab.
3470 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
3471 expand_builtin_interclass_mathfn.
3472 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
3473 * config/i386/i386.md (UNSPEC_FXAM): New constant.
3474 (fxam<mode>2_i387): New insn pattern.
3475 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
3476 built-in functions as x87 inline asm.
3478 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
3480 * gcc/config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
3482 2007-01-30 Eric Christopher <echristo@apple.com>
3484 * config.gcc: Add geode.
3486 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
3488 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
3489 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
3490 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
3491 value-prof.c: Fix comment typos.
3493 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3495 PR c++/24745
3496 * doc/invoke.texi (Wpointer-arith): Document warning.
3498 2007-01-30 Janis Johnson <janis187@us.ibm.com>
3500 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
3501 the list of discrepancies from the draft TR.
3503 2007-01-30 Dirk Mueller <dmueller@suse.de>
3505 PR c++/30601
3506 * doc/invoke.texi (-Wreturn-type): Update description to
3507 match new behavior.
3509 2007-01-30 Richard Sandiford <richard@codesourcery.com>
3511 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
3513 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
3515 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
3516 to handle optabs that operate on floating point input argument and
3517 output to integer output.
3518 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
3519 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
3520 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
3521 expand_builtin_interclass_mathfn ().
3522 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
3523 (ilogbsi2): Remove.
3524 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
3525 ilogbl built-in functions as x87 intrinsics.
3527 2007-01-30 Richard Guenther <rguenther@suse.de>
3529 PR middle-end/27657
3530 * dwarf2out.c (reference_to_unused): Query varpool if the
3531 variable was output.
3533 2007-01-30 Richard Guenther <rguenther@suse.de>
3535 PR middle-end/30313
3536 * passes.c (execute_one_pass): Reset in_gimple_form to not
3537 confuse non-unit-at-a-time mode.
3539 2007-01-29 Roger Sayle <roger@eyesopen.com>
3540 Richard Guenther <rguenther@suse.de>
3542 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
3543 avoid undefined behaviour on overflow. Use force_fit_type_double
3544 to construct the constant with the specified TREE_OVERFLOW.
3546 2007-01-29 Janis Johnson <janis187@us.ibm.com>
3548 * config/dfp-bit.c: Add parameterized support for fp exceptions.
3549 * config/dfp-bit.h: Ditto.
3551 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3553 * c-decl.c (pop_scope): Replace warnings with call to
3554 warn_for_unused_label.
3555 * c-common.h (warn_for_unused_label): Declare.
3556 * c-common.c (warn_for_unused_label): Define.
3558 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
3560 * tree-optimize.c (update_inlined_to_pointers): Delete unused
3561 function.
3563 2007-01-29 Janis Johnson <janis187@us.ibm.com>
3565 * Makefile.in (USER_H): Remove decfloat.h.
3566 * ginclude/decfloat.h: Delete, moving contents to ...
3567 * ginclude/float.h: Add support for decimal floating point,
3568 guarded by __STDC_WANT_DEC_FP__.
3570 2007-01-29 Mike Stump <mrs@apple.com>
3572 * doc/gccint.texi (Top): Rename Loop Representation to Loop
3573 Analysis and Representation to resolve case insensitive conflict.
3574 * doc/loop.texi (Loop Analysis and Representation): Likewise.
3576 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
3578 * tree.h (struct tree_memory_tag): Add aliases member.
3579 (MTAG_ALIASES): New macro.
3580 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
3581 (add_may_alias): Remove pointer-set. Update for may_aliases being
3582 a bitmap.
3583 (mark_aliases_call_clobbered): Update for may_aliases being a
3584 bitmap.
3585 (compute_tag_properties): Ditto.
3586 (create_partition_for): Ditto.
3587 (compute_memory_partitions): Ditto.
3588 (dump_may_aliases_for): Ditto.
3589 (is_aliased_with): Ditto.
3590 (add_may_alias_for_new_tag): Ditto.
3591 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
3592 (compute_is_aliased): New function.
3593 (compute_may_aliases): Call compute_is_aliased).
3594 (init_alias_info): Initialize alias_bitmap_obstack.
3595 (union_alias_set_into): New function.
3596 (compute_flow_sensitive_aliasing): Use union_aliases_into.
3597 (have_common_aliases_p): Rewrite to take two bitmaps and use
3598 intersection.
3599 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
3600 Update for bitmaps.
3601 (finalize_ref_all_pointers): Update for add_may_alias changes.
3602 (new_type_alias): Ditto.
3603 * tree-flow-inline.h (may_aliases): Return a bitmap.
3604 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
3605 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
3606 may_aliases being a bitmap.
3607 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
3608 may_aliases now returns a bitmap.
3609 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
3610 being a bitmap.
3611 * tree-ssa-operands.c (add_virtual_operand): Update for
3612 may_aliases being a bitmap.
3614 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
3616 PR tree-optimization/30630
3617 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
3618 variable as changed.
3620 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
3622 PR c++/28266
3623 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
3624 expanded only once even if an error occurs.
3626 2007-01-29 Ben Elliston <bje@au.ibm.com>
3628 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
3629 (__gcov_average_profiler): Likewise.
3630 (__gcov_ior_profiler): Likewise.
3631 (__gcov_merge_ior): Likewise.
3633 2007-01-28 Jan Hubicka <jh@suse.cz>
3635 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
3636 * value-prof.c (stringop_block_profile): Likewise.
3638 2007-01-28 Jan Hubicka <jh@suse.cz>
3640 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall): Add
3641 variant handling histograms; add wrapper.
3642 (clear_storage_via_libcall): Export.
3643 (emit_block_move_hints): Break out from ...; add histograms.
3644 (emit_block_move): ... this one.
3645 (clear_storage_hints): Break out from ...; add histograms.
3646 (clear_storage): ... this one.
3647 (set_storage_via_memset): Handle histogram.
3648 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
3649 (clear_storage_hints, clear_storage_via_libcall): Declare.
3650 (set_storage_via_setmem): Update prototype.
3651 * doc/md.texi (movmem, setmem): Document new arguments.
3653 * value-prof.c (dump_histogram_value, tree_find_values_to_profile): Add
3654 new histograms.
3655 (stringop_block_profile): New global function.
3656 (tree_stringops_values_to_profile): Profile block size and alignment.
3657 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
3658 HIST_TYPE_IOR.
3659 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
3660 (stringop_block_profile): Declare.
3661 * builtins.c: Include value-prof.h.
3662 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
3663 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
3664 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
3665 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
3666 * profile.c (instrument_values): Add new counters.
3667 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
3668 calls.
3669 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
3670 (tree_init_edge_profiler): Build new profilers.
3671 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
3672 (pass_tree_profile): Add dump.
3673 (tree_profile_hooks): Update.
3674 * Makefile.in (LIBGCOV): Add new constants.
3675 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
3676 __gcov_ior_profiler): New.
3677 * i386.md (movmem/setmem expanders): Add new optional arguments.
3679 2007-01-28 David Edelsohn <edelsohn@gnu.org>
3681 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
3683 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
3685 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
3686 (tree_unswitch_single_loop): Pass eni_size_weights to
3687 tree_num_loop_insns.
3688 * tree-ssa-loop-manip.c: Include tree-inline.h.
3689 (can_unroll_loop_p): Pass eni_size_weights to
3690 tree_num_loop_insns.
3691 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
3692 Pass eni_size_weights to estimate_num_insns.
3693 * tree.h (init_inline_once): Export.
3694 * toplev.c (backend_init): Call init_inline_once.
3695 * cgraphunit.c (cgraph_process_new_functions,
3696 cgraph_analyze_function): Pass eni_inlining_weights to
3697 estimate_num_insns.
3698 * ipa-inline.c (compute_inline_parameters): Ditto.
3699 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
3700 to estimate_num_insns.
3701 (try_unroll_loop_completely): Pass eni_size_weights to
3702 tree_num_loop_insns.
3703 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
3704 ot estimate_num_insns.
3705 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
3706 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
3707 * tree-inline.c (eni_inlining_weights, eni_size_weights,
3708 eni_time_weights): New variables.
3709 (init_inline_once): Initialize them.
3710 (struct eni_data): Mew.
3711 (estimate_num_insns_1, estimate_num_insns): Use weights.
3712 * tree-inline.h (struct eni_weights_d): New.
3713 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
3714 (estimate_num_insns): Declaration changed.
3715 * cfgloop.h (tree_num_loop_insns): Declaration changed.
3716 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
3717 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
3719 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
3721 * tree-data-ref.c (conflict_fn): Assert that the number of affine
3722 relations in the conflict function is valid.
3724 2007-01-27 Ian Lance Taylor <iant@google.com>
3726 * common.opt: Add fstrict-overflow.
3727 * opts.c (decode_options): Set flag_strict_overflow if -O2.
3728 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
3729 (TYPE_OVERFLOW_UNDEFINED): Define.
3730 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
3731 Replace all uses.
3732 * tree.h (TYPE_TRAP_SIGNED): Don't define.
3733 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
3734 (fold_negate_expr): Likewise.
3735 (make_range): Likewise.
3736 (extract_muldiv_1): Likewise.
3737 (maybe_canonicalize_comparison): Likewise.
3738 (fold_comparison): Likewise.
3739 (fold_binary): Likewise.
3740 (tree_expr_nonnegative_p): Likewise.
3741 (tree_expr_nonzero_p): Likewise.
3742 * tree-vrp.c (compare_values): Likewise.
3743 (extract_range_from_binary_expr): Likewise.
3744 (extract_range_from_unary_expr): Likewise.
3745 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
3746 Likewise.
3747 (nowrap_type_p): Likewise.
3748 * tree-scalar-evolution.c (simple_iv): Likewise.
3749 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
3750 (build_range_check): Likewise.
3751 (extract_muldiv_1): Likewise.
3752 (fold_comparison): Likewise.
3753 * tree-vrp.c (vrp_int_const_binop): Likewise.
3754 (extract_range_from_unary_expr): Likewise.
3755 * convert.c (convert_to_integer): Likewise.
3756 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
3757 (fold_comparison): Likewise.
3758 (fold_binary): Likewise.
3759 * optabs.c (optab_for_tree_code): Likewise.
3760 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
3761 * simplify-rtx.c (simplify_const_relational_operation): Check
3762 flag_strict_overflow and flag_trapv.
3763 (simplify_const_relational_operation): Likewise.
3764 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
3765 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
3766 -fstrict-overflow.
3768 2007-01-27 Roger Sayle <roger@eyesopen.com>
3770 * tree.c (tree_fold_gcd): Delete.
3771 * tree.h (tree_fold_gcd): Remove prototype.
3772 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
3773 test whether one constant integer is a multiple of another. Instead
3774 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
3775 * fold-const.c (multiple_of_p): We've determined both TOP and
3776 BOTTOM are integer constants so we can call int_const_binop directly
3777 instead of the more generic const_binop.
3779 2007-01-27 Roger Sayle <roger@eyesopen.com>
3781 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
3782 1*X check that the constant hasn't overflowed, to preserve the
3783 TREE_OVERFLOW bit.
3784 (round_up): Provide an efficient implementation when rouding-up an
3785 INTEGER_CST to a power-of-two.
3787 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
3789 * doc/sourcebuild.texi: Add comma for clarity.
3790 * doc/extend.texi: Fix some typos.
3791 * doc/passes.texi: Likewise.
3792 * doc/cppinternals.texi: Likewise.
3793 * doc/c-tree.texi: Likewise.
3794 * doc/tree-ssa.texi: Likewise.
3795 * doc/install.texi: Likewise.
3797 2007-01-27 Jan Hubicka <jh@suse.cz>
3799 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
3800 (pass_sra): Do not require alias information.
3801 * passes.c (init_optimization_passes): Add SRA
3803 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
3805 * tracer.c (rest_of_handle_tracer): We already cleaned
3806 up the CFG in tracer() so don't do it here again.
3807 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
3808 cleanup_cfg here, either. And don't call renumber_insns.
3810 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
3811 and BB_HEAD are in the insn stream here. Instead make sure
3812 that BB_INSN is valid on all insns. Also, do check here that
3813 there are no pending branch predictions...
3814 (rtl_verify_flow_info): ...instead of doing it here. Checks
3815 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
3816 here.
3818 2007-01-26 Roger Sayle <roger@eyesopen.com>
3820 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
3821 function to simplify/factorize operand order canonicalization.
3822 (ix86_fixup_binary_operands): Reorganize using the above function.
3823 (ix86_binary_operator_ok): Likewise.
3825 2007-01-27 Jakub Jelinek <jakub@redhat.com>
3827 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
3828 file scope from optimize_attrs.
3829 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
3830 up search.
3831 (optimize_attrs): Clear insn_code_values after freeing it.
3833 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
3835 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
3836 a parts.base assignment.
3838 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
3840 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
3841 (compute_subscript_distance, initialize_data_dependence_relation,
3842 finalize_ddr_dependent, analyze_ziv_subscript,
3843 analyze_siv_subscript_cst_affine,
3844 compute_overlap_steps_for_affine_univar,
3845 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
3846 analyze_siv_subscript, analyze_miv_subscript,
3847 analyze_overlapping_iterations, subscript_dependence_tester_1,
3848 compute_self_dependence, free_dependence_relation): Work
3849 with affine_fn instead of chrecs.
3850 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
3851 common_affine_function, affine_function_base,
3852 affine_function_constant_p, affine_fn_op, affine_fn_plus,
3853 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
3854 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
3855 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
3856 (all_chrecs_equal_p): Removed.
3857 * tree-data-ref.h (affine_fn, conflict_function): New types.
3858 (struct subscript): Change type of conflicting_iterations_in_a
3859 and conflicting_iterations_in_b.
3861 2007-01-26 Steve Ellcey <sje@cup.hp.com>
3863 PR other/30182
3864 * config/pa/pa.h (TARGET_HPUX_11): New.
3865 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
3866 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
3868 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
3869 Richard Guenther <rguenther@suse.de>
3871 * tree-ssa-structalias.c (solve_graph): Handle case
3872 we merged the variable to another.
3874 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3876 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
3877 functions.
3879 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
3880 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
3882 2007-01-25 DJ Delorie <dj@redhat.com>
3884 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
3885 allow changes to modes which don't fit in those registers.
3887 * reload1.c (choose_reload_regs): Check for invalid subregs before
3888 computing their locations, not after.
3890 2007-01-25 Geoffrey Keating <geoffk@apple.com>
3892 PR 25127
3893 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
3894 save Altivec registers in an eh_return function.
3895 (compute_vrsave_mask): Likewise.
3896 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
3897 for saving Altivec registers.
3898 (rs6000_emit_prologue): Don't allocate stack twice in
3899 eh_return function. Correct expected value of altivec_save_offset
3900 when using save_world. Describe save of R0 to stack when using
3901 save_world. Describe stack pointer adjustment when using
3902 save_world. Remove duplicated eh_return parameter register saving.
3903 Update sp_offset variable after save_world.
3904 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
3905 darwin-world.asm.
3906 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
3907 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
3908 implies Altivec.
3910 2007-01-25 Steve Ellcey <sje@cup.hp.com>
3912 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
3914 2007-01-25 Steve Ellcey <sje@cup.hp.com>
3916 PR other/30182
3917 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
3918 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
3920 2007-01-25 Richard Guenther <rguenther@suse.de>
3922 * doc/invoke.texi (-Wcoverage-mismatch): Document.
3923 * common.opt (-Wcoverage-mismatch): New warning option.
3924 * coverage.c (get_coverage_counts): Ignore coverage mismatch
3925 if -Wcoverage-mismatch is given.
3927 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
3929 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
3930 (ipcp_driver): Change to static definition.
3931 Add dumping of the ifunctions.
3932 (constant_val_insert): Remove unused parameter. Support for SSA.
3933 (ipcp_propagate_const): Support for SSA.
3934 (ipcp_profile_bb_print): Print only analyzed nodes.
3935 (ipcp_replace_map_create): Remove support for Fortran constant
3936 for now.
3937 * ipa-prop.c (ipa_method_modify_stmt,
3938 ipa_callsite_compute_param): Support for SSA.
3939 * ipa-prop.h (ipcp_driver): Remove declaration.
3940 (IS_VALID_TREE_MAP_INDEX): Add define.
3942 2007-01-24 Geoffrey Keating <geoffk@apple.com>
3944 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
3946 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3948 PR middle-end/30447
3949 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
3950 constant argument to cabs and do it without checking for
3951 -funsafe-math-optimizations.
3953 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
3955 * c-common.h (RID_FIRST_CXX0X): New.
3956 (RID_LAST_CXX0X): New.
3957 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
3958 by -Wall.
3959 * c.opt (Wc++0x-compat): New.
3960 * doc/invoke.texi (-Wc++0x-compat): Document.
3962 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3964 * builtins.c (fold_builtin_carg): New.
3965 (fold_builtin_1): Use it.
3967 2007-01-24 Jan Hubicka <jh@suse.cz>
3969 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
3971 * ipa-inline.c (initial_insns, max_insns): Delete.
3972 (compute_max_insns): New function.
3973 (cgraph_decide_inlining_of_small_function): Use it; take minimal amount
3974 of insns as base for code growth.
3975 (cgraph_decide_inlining): Make initial_insns local; do not compute
3976 max_insns.
3977 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
3978 * doc/invoke.texi (inline-unit-growth): Update docs.
3980 2007-01-24 Jakub Jelinek <jakub@redhat.com>
3982 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
3983 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
3984 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
3985 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
3986 for CPUs that have PTA_CX16 set.
3988 PR middle-end/27416
3989 * gimplify.c (omp_check_private): New function.
3990 (gimplify_scan_omp_clauses): Use it for
3991 firstprivate/lastprivate/reduction.
3993 PR middle-end/30494
3994 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
3995 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
3997 PR middle-end/30421
3998 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
3999 If lower_lastprivate_clauses emits some statements, append them
4000 to dlist rather than body_p and to body_p append an initializer.
4001 (lower_omp_for): Adjust caller.
4003 2007-01-24 Steve Ellcey <sje@cup.hp.com>
4005 * target.h (globalize_decl_name): New.
4006 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
4007 * output.h (default_globalize_decl_name): New.
4008 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
4009 globalize_label.
4010 (globalize_decl): Ditto.
4011 (default_globalize_decl_name): New.
4012 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
4013 (ia64_handle_version_id_attribute): New.
4014 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
4015 (ia64_asm_output_external): Use globalize_decl_name instead
4016 of globalize_label.
4017 * doc/extend.texi (version_id): New pragma.
4018 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
4020 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
4022 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
4023 _uleb128_t and _Unwind_SWord with _sleb128_t.
4024 * unwind-dw2.c (extract_cie_info, execute_stack_op, execute_cfa_program,
4025 uw_frame_state_for, uw_update_context_1): Likewise.
4026 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
4027 * unwind-pe.h (read_uleb128, read_sleb128,
4028 read_encoded_value_with_base): Likewise.
4029 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
4031 2007-01-24 Richard Guenther <rguenther@suse.de>
4033 * builtins.c (expand_builtin_cexpi): Get the fndecl
4034 for cexp in the correct way.
4036 2007-01-24 Jan Hubicka <jh@suse.cz>
4038 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS of calls.
4040 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
4042 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
4043 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
4044 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
4045 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
4046 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
4047 __SIZEOF_PTRDIFF_T__.
4048 * doc/cpp.texi: Documentation for the new builtin macros added.
4050 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
4052 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
4053 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
4054 instead of operands[2] to avoid access past the end of array.
4056 2007-01-24 Richard Sandiford <richard@codesourcery.com>
4058 * reload1.c (emit_reload_insns): Pass the reload register
4059 for a non-spill output reload through forget_old_reloads_1.
4061 2007-01-23 Joseph Myers <joseph@codesourcery.com>
4063 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
4064 _SOFT_DOUBLE if doubles use software floating-point.
4065 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
4066 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
4067 * config/rs6000/darwin-ldouble.c: Also compile functions for
4068 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
4069 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
4070 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
4071 commented-out long double override.
4072 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
4073 * config/rs6000/eabispe.h: Likewise.
4074 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
4075 long double for non-SPE.
4076 (rs6000_handle_option): Likewise.
4077 (invalid_e500_subreg): Disallow more subregs involding DImode,
4078 DFmode, TImode or TFmode.
4079 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
4080 E500 double.
4081 (legitimate_lo_sum_address_p): Also check for TFmode for E500
4082 double.
4083 (rs6000_legitimize_address): Also handle TFmode for E500 double.
4084 (rs6000_legitimize_reload_address): Also handle TFmode for E500
4085 double.
4086 (rs6000_legitimate_address): Also check for TFmode for E500
4087 double.
4088 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
4089 (spe_build_register_parallel): Handle TFmode and TCmode.
4090 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
4091 double.
4092 (function_arg): Handle TFmode and TCmode for E500 double.
4093 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
4094 in general.
4095 (print_operand): Handle TFmode and TImode for %y.
4096 (rs6000_generate_compare): Handle TFmode comparisons for E500
4097 double.
4098 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
4099 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
4100 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
4101 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
4102 TFmode for E500 double.
4103 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
4104 (floatsidf2): Enable for E500 double.
4105 (movtf_softfloat): Use rs6000_nonimmediate_operand.
4106 (extenddftf2): Change to extenddftf2_fprs.
4107 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
4108 depending on TARGET_E500_DOUBLE.
4109 (extendsftf2): Enable for E500 double.
4110 (trunctfdf2): Enable for E500 double.
4111 (trunctfsf2): Change to trunctfsf2_fprs.
4112 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
4113 depending on TARGET_E500_DOUBLE.
4114 (floatsitf2): Enable for E500 double.
4115 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
4116 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
4117 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
4118 (negtf2): Change to negtf2_internal.
4119 (negtf2): New expander.
4120 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
4121 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
4122 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
4123 (movdi_internal32): Use rs6000_nonimmediate_operand.
4124 (unnamed splitter): Likewise.
4125 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
4126 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
4127 (SPE64TF, DITI): New mode macros.
4128 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
4129 modes.
4130 (frob_tf_ti): New.
4131 (frob_<mode>_di_2): New.
4132 (frob_tf_di_8_2): New.
4133 (frob_di_df): Change to frob_di_<mode>; allow more modes.
4134 (frob_ti_tf): New.
4135 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
4136 more modes.
4137 (frob_ti_<mode>_8_2): New.
4138 (frob_ti_tf_2): New.
4139 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
4140 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
4141 TFmode.
4142 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
4143 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
4144 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
4145 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
4146 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
4147 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
4148 tsttflt_gp): New.
4150 2007-01-23 Ian Lance Taylor <iant@google.com>
4152 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
4153 insn-*.o first.
4154 (OBJS-archive): Reformat, alphabetize.
4155 (OBJS): Change out_object_file to OBJS-md.
4157 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
4159 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
4160 JUMP_P and CALL_P predicates where applicable.
4161 * config/i386/i386.c: Ditto.
4162 * config/i386/i386.md: Ditto.
4163 * config/i386/mmx.md: Ditto.
4164 * config/i386/predicates.md: Ditto.
4166 2007-01-22 Andreas Schwab <schwab@suse.de>
4168 * config/m68k/m68k.h: Fix comment.
4170 2007-01-22 Jan Hubicka <jh@suse.cz>
4172 * passes.c (init_optimization_passes): Do not rerun
4173 pass_early_warn_uninitialized.
4175 2007-01-22 Richard Guenther <rguenther@suse.de>
4177 PR tree-optimization/30038
4178 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
4179 function.
4180 (execute_cse_sincos_1): Likewise.
4181 (execute_cse_sincos): Likewise.
4182 (gate_cse_sincos): Likewise.
4183 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
4184 the cexpi() canonicalization of sincos().
4185 * tree-pass.h (pass_cse_sincos): Declare.
4186 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
4188 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
4190 PR rtl-optimization/29329
4191 * combine.c (replaced_rhs_insn): Rename to i2mod.
4192 (replaced_rhs_value): Rename to i2mod_new_rhs.
4193 (i2mod_old_rhs): New global variable.
4194 (combine_instructions): Adjust for above change. Save a copy of
4195 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
4196 note are substituted in the second instruction.
4197 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
4198 ditch the note if it pertains to the second eliminated register
4199 and this register is mentioned in i2mod_old_rhs.
4201 Revert:
4202 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
4204 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
4205 the insn to which the note was originally attached.
4207 2007-01-21 Jan Hubicka <jh@suse.cz>
4209 * ipa-inline.c (inlining_mode): Comment, move up.
4210 (cgraph_decide_inlining_incrementally): Do not perform inlining
4211 itself; fix handling of flattening of self recursive functions.
4212 (cgraph_find_cycles): Remove.
4213 (cgraph_flatten_node): Remove.
4214 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
4215 (try_inline): New function.
4216 (cgraph_early_inlining): Update call of
4217 cgraph_decide_inlining_incrementally. Apply inlining here.
4218 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
4220 2007-01-21 Dirk Mueller <dmueller@suse.de>
4222 PR bootstrap/30511
4223 * tree-vrp.c (check_array_bounds): do not warn
4224 about ADDR_EXPR's of ARRAY_REF's which are immediately
4225 used in binary expressions.
4227 2007-01-21 Ira Rosen <irar@il.ibm.com>
4229 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
4230 read_write_dep and macros for its access.
4231 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
4232 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
4233 argument, call vect_check_interleaving for every independent pair of
4234 data-refs. Mark loads that access the same memory location as a store
4235 in the loop.
4236 (vect_check_dependences): Remove.
4237 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
4238 call, fix the call to vect_analyze_data_ref_dependence.
4239 (vect_analyze_data_ref_access): For statements that access the same
4240 data-ref, check that they are not stores; for loads, check that there
4241 is no store that access the same location.
4243 2007-01-20 Roger Sayle <roger@eyesopen.com>
4244 Joseph Myers <joseph@codesourcery.com>
4246 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
4247 (-fdump-rtl-stack): Likewise.
4248 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
4249 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
4250 (-mpt-fixed): Use @minus{} for minus sign.
4251 (Using Precompiled Headers): Fix under/overfull hbox.
4253 2007-01-20 Jan Hubicka <jh@suse.cz>
4255 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
4256 place within annotation.
4258 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4260 * pa.c (output_move_double): Change array size of xoperands to 4.
4262 2007-01-20 Jan Hubicka <jh@suse.cz>
4264 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
4265 as temporary.
4267 2007-01-19 Ian Lance Taylor <iant@google.com>
4269 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
4270 constant to unsigned HOST_WIDE_INT before negating.
4272 2007-01-19 Ian Lance Taylor <iant@google.com>
4274 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
4275 to unsigned.
4276 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
4277 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4278 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
4279 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
4280 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
4281 (realloc_vdef, realloc_vuse): Change second parameter to
4282 unsigned.
4283 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
4284 fields to unsigned.
4285 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
4286 unsigned. Change x and lim locals to unsigned.
4287 (realloc_vdef, realloc_vuse): Change num_elem parameter to
4288 unsigned.
4289 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
4290 (copy_virtual_operands): Change i and n locals to unsigned.
4292 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4294 PR middle-end/29335
4295 * builtins.c (fold_builtin_1): Handle builtin fdim.
4297 2007-01-20 Jan Hubicka <jh@suse.cz>
4299 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
4300 * tree-ssa-structalias.c (compute_points_to_sets): Do call
4301 init_alias_heapvars.
4302 (init_alias_heapvars): Initialize only when not already initialized.
4303 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
4305 2007-01-19 Roger Sayle <roger@eyesopen.com>
4307 * common.opt (fsigned-zeros): New command line option.
4308 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
4309 of flag_unsafe_math_optimizations.
4310 * opts.c (set_fast_math_flags): The -ffast-math command line option
4311 implies -fno-signed-zeros.
4312 (fast_math_flags_set_p): Likewise.
4314 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
4315 the documentation of -ffast-math appropriately. Wrap long lines.
4317 2007-01-19 Steve Ellcey <sje@cup.hp.com>
4319 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
4320 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
4322 2007-01-19 Tomas Bily <tbily@suse.cz>
4324 * cgraphunit.c (cgraph_finalize_function): Updating of pid
4325 * tree-profile.c:
4326 (tree_init_ic_make_global_vars): New function
4327 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
4328 (tree_gen_ic_profiler): New function
4329 (tree_gen_ic_func_profiler): New function
4330 (tree_profiling): Added calling of tree_gen_ic_func_profiler
4331 (tree_profile_hooks): Added hook for indirec/virtual calls
4332 * value-prof.c (tree_find_values_to_profile): New case for
4333 indirect calls
4334 (tree_values_to_profile): Call for determining indirect/virtual
4335 counters
4336 (tree_indirect_call_to_profile): New function
4337 (tree_ic_transform): New function
4338 (tree_ic): New function
4339 (find_func_by_pid): New function
4340 (init_pid_map): New function
4341 (tree_value_profile_transformations): Added check for
4342 indirect/virtual call transformation
4343 * value-prof.h (enum hist_type): New counter type for
4344 indirect/virtual calls
4345 (profile_hooks): Added new hook for profiling indirect/virtual
4346 calls
4347 * profile.c (instrument_values): New case for indirect/virtual
4348 call added
4349 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
4350 (GCOV_COUNTER_V_INDIR): New counter type
4351 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
4352 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
4353 call added
4354 * cgraph.c: Definition of cgraph_max_pid
4355 (cgraph_create_node): Default init of pid attribute
4356 * cgraph.h: Declaration of cgraph_max_pid
4357 (struct cgraph_node): Added pid attribute
4358 * libgcov.c (__gcov_indirect_call_profiler): New function
4359 (__gcov_one_value_profiler_body): New function
4360 (__gcov_one_value_profiler): Body was moved to
4361 __gcov_one_value_profiler_body and calls it
4363 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
4365 * doc/gty.texi (Options): Document the mark_hook option to GTY.
4366 * gengtype.c (write_types_data, write_func_for_structure,
4367 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
4368 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
4369 (walk_type, write_func_for_structure): Generate the mark_hook if
4370 needed.
4372 2007-01-19 Jan Hubicka <jh@suse.cz>
4374 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
4375 'early' argument take inlining mode argument specifying whether to
4376 inline for size/speeed or all functions; add support for flattening;
4377 improve dumpting.
4378 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
4380 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
4382 PR c++/17947
4383 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
4384 the name of the declared identifier.
4386 2007-01-19 Dirk Mueller <dmueller@suse.de>
4388 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
4389 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
4390 duplicate evaluation.
4392 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
4394 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
4395 Macroize expander using X87MODEF12 mode macro. Extend operand 1
4396 to XFMode, use acosxf2 and truncate result to requested mode.
4397 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
4398 (asin<mode>2): Similarly, with asin expanders.
4399 (*fscalexf4_i387): Rename from *fscalexf4.
4400 (expNcorexf3): New expander.
4401 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
4402 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
4403 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
4404 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
4405 patterns for SSE math.
4406 (exp10<mode>2): Similarly, with exp10 expanders.
4407 (exp2<mode>2): Similarly, with exp2 expanders.
4408 (expm1<mode>2): Similarly, with expm1 expanders.
4409 (ldexp<mode>3): Similarly, with ldexp expanders.
4410 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
4411 Use gen_truncxf<mode>2_i387_noop to truncate result.
4413 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4415 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
4416 for ColdFire targets.
4418 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
4419 Richard Sandiford <richard@codesourcery.com>
4421 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
4422 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
4423 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
4424 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
4425 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4426 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
4428 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4430 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
4431 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
4432 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
4433 (*adddi_dilshr32_cf): New pattern.
4434 (adddi3, subdi3): Remove first alternatives.
4436 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4438 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
4439 implemented using move.l, do not use its cc result for floating-point
4440 comparisons.
4442 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4444 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
4445 from accepting 's' constraints if flag_pic.
4447 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4449 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
4450 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
4451 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
4452 condition from TARGET_68881 to TARGET_HARD_FLOAT.
4454 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
4456 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
4457 ColdFire alternatives.
4458 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
4459 * config/m68k/m68k.md (clzsi2): Define for ColdFire
4460 architectures that support ff1 instruction.
4462 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4463 Julian Brown <julian@codesourcery.com>
4465 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
4466 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
4467 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
4468 Add commentary.
4470 2007-01-19 Richard Sandiford <richard@codesourcery.com>
4472 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
4473 and return a bool.
4474 (output_move_const_into_data_reg, output_move_simode_const): Delete.
4475 * config/m68k/m68k.c (const_method, const_int_cost): Take a
4476 HOST_WIDE_INT instead of an rtx.
4477 (m68k_rtx_costs): Update call accordingly.
4478 (output_move_const_into_data_reg): Likewise. Fix formatting.
4479 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
4480 Return a bool.
4481 (output_move_simode_const): Update calls after above changes.
4482 Rework to use automatic variables and predicates like MEM_P.
4483 * config/m68k/m68k.md (pushexthisi_const): Update call to
4484 valid_mov3q_const.
4486 2007-01-19 Dirk Mueller <dmueller@suse.de>
4488 * tree-ssa-alias.c (perform_var_substitution): Fix typo
4489 in dump_flags test.
4491 2007-01-19 Richard Guenther <rguenther@suse.de>
4493 * builtins.c (expand_builtin_cexpi): Fall back to expanding
4494 via cexp in case sincos is not available.
4496 2007-01-19 Richard Guenther <rguenther@suse.de>
4498 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
4499 * defaults.h (TARGET_HAS_SINCOS): Default to off.
4500 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
4501 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
4502 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
4503 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
4504 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
4505 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
4507 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
4509 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
4510 New insn patterns.
4511 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
4512 (atan2xf3): Directly generate RTL pattern.
4513 (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
4514 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
4515 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
4516 disable patterns for SSE math.
4517 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
4518 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
4519 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
4520 disable patterns for SSE math.
4522 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
4524 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
4526 2007-01-18 Roger Sayle <roger@eyesopen.com>
4528 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
4529 VIEW_CONVERT_EXPR to the same type as it's operand.
4531 2007-01-18 David Edelsohn <edelsohn@gnu.org>
4533 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
4534 configured for long double 128.
4536 2007-01-18 Mike Stump <mrs@apple.com>
4538 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
4539 error.
4541 2007-01-18 Michael Meissner <michael.meissner@amd.com>
4543 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
4544 type correct.
4546 2007-01-18 Jan Hubicka <jh@suse.cz>
4548 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
4549 greater than NUM_VOP_FREE_BUCKETS.
4551 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
4553 * tree-ssa-structalias.c: Update comments.
4554 (ptabitmap_obstack): Removed.
4555 (pta_obstack): New.
4556 (oldpta_obstack): Ditto.
4557 (stats): Add a few members.
4558 (struct variable_info): Remove node, complex, address_taken, and
4559 indirect_target members. Add oldsolution member.
4560 (new_var_info): Do not initialize removed members.
4561 (constraint_expr_type): Remove INCLUDES.
4562 (constraint_graph): Add size, implicit_preds, rep,
4563 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
4564 (FIRST_REF_NODE): New macro.
4565 (LAST_REF_NODE): Ditto.
4566 (FIRST_ADDR_NODE): Ditto.
4567 (find): New function.
4568 (unite): Ditto.
4569 (dump_constraint): Do not handle INCLUDES.
4570 (insert_into_complex): Do not insert duplicate constraints.
4571 (condense_varmap_nodes): Renamed and rewritten into ...
4572 (merge_node_constraints): This. Also fix bug in handling of
4573 offseted copy constraints.
4574 (clear_edges_for_node): No longer need to deal with preds at all,
4575 or removing associated preds/succs.
4576 (merge_graph_nodes): Deal with indirect_cycles.
4577 Don't deal with predecessors.
4578 (add_implicit_graph_edge): New function.
4579 (add_pred_graph_edge): Ditto.
4580 (add_graph_edge): Don't deal with predecessors.
4581 (build_constraint_graph): Removed.
4582 (build_pred_graph): New function.
4583 (build_succ_graph): Ditto.
4584 (struct scc_info): Removed in_component. Added roots, dfs, and
4585 node_mapping. Remove visited_index, unification_queue.
4586 (scc_visit): Deal with union-find we do now.
4587 Deal with cycles with REF nodes.
4588 (collapse_nodes): Renamed and rewritten to ...
4589 (unify_nodes): This.
4590 (process_unification_queue): Removed.
4591 (topo_visit): Cleanup
4592 (do_da_constraint): Use find.
4593 (do_sd_constraint): Ditto.
4594 (do_ds_constraint): Ditto.
4595 (do_complex_constraint): Ditto.
4596 (init_scc_info): Update for removed and added members.
4597 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
4598 (find_indirect_cycles): This.
4599 (equivalence_class): New variable.
4600 (label_visit): New function.
4601 (perform_variable_substitution): Rewritten.
4602 (free_var_substitution_info): New function.
4603 (find_equivalent_node): Ditto.
4604 (move_complex_constraints): Ditto.
4605 (eliminate_indirect_cycles): Ditto.
4606 (solve_graph): Only propagate changed bits.
4607 Use indirect cycle elimination.
4608 Use find.
4609 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
4610 (tree_id_eq): Renamed to ...
4611 (tree_vi_eq): This. Update for member change
4612 (insert_id_for_tree): Renamed and rewritten to ...
4613 (insert_vi_for_tree): This.
4614 (lookup_id_for_tree): Renamed and rewritten to ...
4615 (lookup_vi_for_tree): This.
4616 (get_id_for_tree): Renamed and rewritten to ...
4617 (get_vi_for_tree): Ditto.
4618 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
4619 (process_constraint): Don't handle INCLUDES.
4620 Remove special ADDRESSOF case.
4621 (find_func_aliases): Rewrite to use vi functions instead of id
4622 ones.
4623 (create_function_info_for): Ditto.
4624 (create_variable_info_for): Ditto.
4625 (intra_create_variable_infos): Ditto.
4626 (merge_smts_into): Ditto.
4627 (find_what_p_points_to): Ditto.
4628 (init_base_vars): Ditto.
4629 (init_alias_vars): Ditto.
4630 (remove_preds_and_fake_succs): New function.
4631 (dump_sa_points_to_info): Dump new stats.
4632 (dump_solution_for_var): Use find.
4633 (set_used_smts): Fix formatting.
4634 (compute_points_to_sets): Updated for new functions.
4635 (ipa_pta_execute): Ditto.
4637 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
4638 Richard Sandiford <richard@codesourcery.com>
4640 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
4641 parallels.
4642 * calls.c (expand_call): If the return value is a PARALLEL,
4643 extract its first member.
4644 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
4645 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4646 use FUNCTION_EXTRA_EPILOGUE.
4647 (m68k_function_value): Return a PARALLEL if the return value
4648 is of a pointer type.
4649 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
4650 (FUNCTION_EXTRA_EPILOGUE): Remove.
4651 * config/m68k/m68k.md (D0_REG): New constant.
4653 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
4655 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
4656 output a NOP for empty epilogues.
4658 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4660 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
4661 before function. Extend register save check to include all
4662 registers, not just integer ones.
4664 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
4666 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
4667 (m68k_use_return_insn): ...this.
4668 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
4669 * config/m68k/m68k.c (use_return_insn): Rename to...
4670 (m68k_use_return_insn): ...this.
4671 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
4672 of USE_RETURN_INSN.
4674 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
4676 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
4677 nearest even, fix denormal rounding overflow.
4679 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4681 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
4682 f%$smove and f%$move.
4683 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
4684 (extendsfdf2_cf): Use fdmove instead of f%&move.
4685 (truncdfsf2_cf): Use fsmove instead of f%$smove.
4686 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
4688 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4690 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
4691 GPR<-GPR moves.
4693 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4695 * real.h (real_format): Add a canonical_nan_lsbs_set field.
4696 (coldfire_single_format): Declare.
4697 (coldfire_double_format): Likewise.
4698 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
4699 of qnan_msb_set to determine the lower bits of a canonical
4700 NaN significand.
4701 (encode_ieee_double): Likewise.
4702 (encode_ieee_quad): Likewise.
4703 (ieee_single_format): Initialize canonical_nan_lsbs_set.
4704 (mips_single_format): Likewise.
4705 (ieee_double_format): Likewise.
4706 (mips_double_format): Likewise.
4707 (ieee_extended_motorola_format): Likewise.
4708 (ieee_extended_intel_96_format): Likewise.
4709 (ieee_extended_intel_128_format): Likewise.
4710 (ieee_extended_intel_96_round_53_format): Likewise.
4711 (ibm_extended_format): Likewise.
4712 (mips_extended_format): Likewise.
4713 (ieee_quad_format): Likewise.
4714 (mips_quad_format): Likewise.
4715 (vax_f_format): Likewise.
4716 (vax_d_format): Likewise.
4717 (vax_g_format): Likewise.
4718 (i370_single_format): Likewise.
4719 (i370_double_format): Likewise.
4720 (decimal_single_format): Likewise.
4721 (decimal_double_format): Likewise.
4722 (decimal_quad_format): Likewise.
4723 (c4x_single_format): Likewise.
4724 (c4x_extended_format): Likewise.
4725 (real_internal_format): Likewise.
4726 (coldfire_single_format): New real_format.
4727 (coldfire_double_format): Likewise.
4728 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
4729 canonical_nan_lsbs_set.
4730 (pdp11_d_format): Likewise.
4731 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
4732 if TARGET_COLDFIRE_CPU.
4734 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4736 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
4737 (output_call, m68k_legitimize_call_address): Declare.
4738 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
4739 parenthesees. Add support for a 'W' constraint.
4740 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
4741 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
4742 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
4743 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
4744 variables.
4745 (override_options): Initialize them. Do not set flag_no_function_cse
4746 for TARGET_ID_SHARED_LIBRARY.
4747 (m68k_output_pic_call): Delete.
4748 (m68k_legitimize_call_address): New function.
4749 (print_operand): Remove the %o prefix. Handle the %p prefix.
4750 (output_call): New function.
4751 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
4752 target address from the GOT if symbolic jumps are not allowed.
4753 * config/m68k/m68k.md (call, general_operand): Do not set
4754 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
4755 Merge separate flag_pic and !flag_pic define_insns into...
4756 (*call, *call_value): ...these new patterns. Match the address
4757 rather than the containing MEM and require it to be a call_operand.
4758 Use output_call to generate the asm template.
4759 * config/m68k/predicates.md (const_call_operand): New predicate.
4760 (call_operand): Likewise.
4762 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
4764 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
4765 (STACK_GROWS_DOWNWARD): Define to 1.
4766 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
4767 comments, emphasizing that these values are only defaults.
4768 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
4769 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
4771 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4773 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
4775 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
4776 Richard Sandiford <richard@codesourcery.com>
4778 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
4779 (FP_REGNO_P): New macros.
4780 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
4781 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
4782 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
4783 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
4785 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
4787 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4788 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
4789 to $tmake_file.
4790 * config/m68k/t-floatlib: New file, extracting common code from...
4791 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
4792 * config/m68k/t-uclinux: Here.
4793 * config/m68k/fpgnulib.c: Do not compile extendeed precision
4794 routines on ColdFire targets.
4796 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
4798 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
4799 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
4800 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
4801 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
4802 explicitly set MOTOROLA to 1.
4803 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
4805 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4806 Nathan Sidwell <nathan@codesourcery.com>
4808 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
4809 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
4810 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
4811 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
4812 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
4813 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
4814 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
4815 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
4816 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
4817 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4818 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
4819 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
4820 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
4821 (DBX_REGISTER_NUMBER): Delete.
4822 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
4823 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
4824 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
4826 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4828 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
4829 * config/flat.h: New file.
4830 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
4831 OBJECT_FORMAT_FLAT.
4832 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
4833 indirect references for -msep-data or -mid-shared-library.
4834 Do not use PC-relative code addresses either.
4835 * config/m68k/m68k.c (override_options): Restrict -fPIC error
4836 to -mpcrel.
4837 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
4838 for shared libraries and crt1.o for executables. Use crti.o and
4839 crtbegin.o.
4840 (ENDFILE_SPEC): Use crtend.o and crtn.o.
4841 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
4842 Do not add -elf2flt or -shared-lib-id options here.
4843 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
4844 Pass -shared-lib-id if -mid-shared-library, taking the library
4845 identifier from -mshared-library-id if given, otherwise
4846 defaulting to 0.
4847 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
4848 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
4849 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
4850 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
4851 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
4852 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
4853 and crtend.o.
4854 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
4855 jump sequence for ISA A and ISA A+.
4856 (PICJUMP): Likewise.
4858 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4860 * config.gcc (m68k-*-uclinux*): Base the port on the common
4861 and m68k GNU/Linux files rather than on the generic ELF ones.
4862 * config/m68k/uclinux.h (TARGET_VERSION): Override.
4863 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
4865 2007-01-18 Julian Brown <julian@codesourcery.com>
4866 Richard Sandiford <richard@codesourcery.com>
4868 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
4869 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4870 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
4871 before redefining.
4872 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
4873 80 unconditionally.
4874 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
4876 2007-01-18 Richard Sandiford <richard@codesourcery.com>
4878 * doc/install.texi: Document m68k-uclinuxoldabi.
4879 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
4880 * config/m68k/uclinux-oldabi.h: New file, copied from
4881 config/m68k/uclinux.h.
4883 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
4885 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
4886 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
4887 (m32r_compute_frame_size): Use unsigned for regno.
4888 (m32r_reload_lr): Use gen_frame_mem.
4889 (pop): New.
4890 (m32r_output_function_epilogue): Don't output the function epilogue
4891 textually here.
4892 (m32r_expand_epilogue): New.
4893 (direct_return): Return false if the function has the interrupt
4894 attribute.
4895 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
4896 * config/m32r/m32r.md (epilogue): New expander.
4897 (return_lr, return_rte): New insns.
4898 (return): Make it expander.
4899 (return_normal): New expander.
4901 2007-01-18 Josh Conner <jconner@apple.com>
4903 PR target/30485
4904 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
4905 support for UNLE, UNLT, UNGE, and UNGT.
4907 2007-01-18 Jan Hubicka <jh@suse.cz>
4909 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
4910 * tree-tailcall (add_virtual_phis): Likewise.
4911 (optimize_tail_call): Return TODOs.
4912 (execute_tail_calls): Return TODOs.
4913 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
4914 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
4915 changed.
4916 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
4917 Cleanup cfg using TODO.
4918 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
4919 * passes.c (execute_function_todo): When cleanup did something, remove
4920 unused locals.
4921 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
4922 (make_edges): Don't cleanup_cfg.
4924 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
4926 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
4927 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
4928 operate on the top of stack.
4929 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
4930 register handling of instructions that output to the second
4931 stack slot.
4932 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
4933 (move_for_stack_reg): Special-case check for dead destination
4934 stack slot for constant load of 1.0 inside UNSPEC_TAN.
4936 * config/i386/i386.md (UNSPEC_TAN): New constant.
4937 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
4938 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
4939 to correctly model move of constant 1.0 to top stack slot.
4940 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
4941 (unnamed peephole2 pattern): Remove corresponding peephole2
4942 pattern that optimizes tan insn and loading of constant 1.0.
4943 (tanxf2): Use fptanxf4_i387.
4944 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
4945 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
4946 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
4947 disable patterns for SSE math.
4948 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
4949 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
4951 2007-01-18 Dirk Mueller <dmueller@suse.de>
4952 Richard Guenther <rguenther@suse.de>
4954 PR diagnostic/8268
4955 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
4956 * common.opt (Warray-bounds): Add new warning option.
4957 * c-opts.c (c_common_handle_option): Define -Warray-bounds
4958 if -Wall is given.
4959 * Makefile.in: make tree-vrp.o depend on toplev.h
4960 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
4961 is enabled.
4962 (check_array_refs, check_array_bounds, check_array_ref): New.
4964 2007-01-18 Jan Hubicka <jh@suse.cz>
4966 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
4967 (execute_ssa_ccp): Return flags conditionally.
4968 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
4969 changed.
4970 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
4972 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
4974 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
4975 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
4977 * Makefile.c (GTFILES): Add cfglayout.h.
4978 * gengtype.c (open_base_files): Likewise.
4979 * cfglayout.c (cfg_layout_function_footer,
4980 cfg_layout_function_header) Reindent to make gengtype happy.
4981 * cfglayout.h (cfg_layout_function_footer,
4982 cfg_layout_function_header): Add GTY(()) marker.
4984 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
4986 2007-01-18 Ben Elliston <bje@au.ibm.com>
4988 * genautomata.c (write_automata): Include xstrerror output in the
4989 error message if writing the DFA description file fails.
4991 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
4993 * config/mips/mips-protos.h (mips_output_external): Make it
4994 return void.
4995 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
4996 * config/mips/mips.c (irix_output_external_libcall): Likewise.
4997 (extern_list): Likewise.
4998 (extern_head): Likewise.
4999 (TARGET_ASM_FILE_END): Likewise.
5000 (mips_file_end): Likewise.
5001 (mips_output_external): Rewritten.
5003 2007-01-18 Ben Elliston <bje@au.ibm.com>
5005 * genpreds.c (write_insn_preds_c): Only write out the function
5006 body for regclass_for_constraint if we have register constraints.
5008 2007-01-17 Tom Tromey <tromey@redhat.com>
5010 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
5011 * doc/install.texi (Testing): Use sourceware.org.
5012 (Binaries): Likewise.
5013 (Specific): Likewise.
5014 * doc/contrib.texi (Contributors): Use sourceware.org.
5016 2007-01-17 Anatoly Sokolov <aesok@post.ru>
5018 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
5019 (AVR_ENHANCED): Rename to ...
5020 (AVR_HAVE_MUL): ... new.
5021 (avr_enhanced_p): Rename to ...
5022 (avr_have_mul_p): ... new.
5023 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
5024 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
5025 * config/avr/avr.c (avr_enhanced_p): Rename to ...
5026 (avr_have_mul_p): ... new.
5027 (base_arch_s): Rename 'enhanced' to 'have_mul'.
5028 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
5029 'avr_enhanced_p' and 'enhanced'.
5030 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
5031 AVR_HAVE_MUL instead of AVR_ENHANCED.
5032 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
5033 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
5034 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
5035 instead of AVR_ENHANCED.
5036 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
5037 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
5038 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
5040 2007-01-17 Ian Lance Taylor <iant@google.com>
5042 * vec.h (VEC_reserve_exact): Define.
5043 (vec_gc_p_reserve_exact): Declare.
5044 (vec_gc_o_reserve_exact): Declare.
5045 (vec_heap_p_reserve_exact): Declare.
5046 (vec_heap_o_reserve_exact): Declare.
5047 (VEC_OP (T,A,reserve_exact)): New static inline function, three
5048 versions.
5049 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
5050 negative parameter.
5051 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
5052 (VEC_OP (T,A,copy)) [all versions]: Likewise.
5053 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
5054 * vec.c (calculate_allocation): Add exact parameter. Change all
5055 callers.
5056 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
5057 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
5058 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
5059 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
5060 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
5061 (vec_heap_p_reserve_exact): New function.
5062 (vec_heap_o_reserve_exact): New function.
5064 2007-01-17 Jan Hubicka <jh@suse.cz>
5066 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
5068 2007-01-17 Eric Christopher <echristo@apple.com>
5070 * config.gcc: Support core2 processor.
5072 2007-01-16 Jan Hubicka <jh@suse.cz>
5074 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
5075 the names, just unlink the chain so we don't crash on dangling pointers
5076 to dead SSA names.
5078 2007-01-16 Jan Hubicka <jh@suse.cz>
5080 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
5081 * tree-pass.h: Reorder to make IPA passes appear toegher.
5082 (pass_early_inline, pass_inline_parameters, pass_apply_inline): Declare.
5083 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
5084 parameters, do not call early inliner.
5085 * ipa-inline.c: Update comments. Include tree-flow.h
5086 (cgraph_decide_inlining): Do not compute inlining parameters.
5087 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
5088 be called with function context set up.
5089 (pass_ipa_inline): Remove unreachable functions before pass.
5090 (cgraph_early_inlining): Simplify assuming to be called from the
5091 PM as local pass.
5092 (pass_early_inline): New pass.
5093 (cgraph_gate_ipa_early_inlining): New gate.
5094 (pass_ipa_early_inline): Turn into simple wrapper.
5095 (compute_inline_parameters): New function.
5096 (gate_inline_passes): New gate.
5097 (pass_inline_parameters): New pass.
5098 (apply_inline): Move here from tree-optimize.c
5099 (pass_apply_inline): New pass.
5100 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
5101 transforming.
5102 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
5103 doing them by hand.
5104 (tree_function_versioning): Do not allocate dummy struct function.
5105 * tree-inline.h (optimize_inline_calls): Update prototype.
5106 * tree-optimize.c (execute_fixup_cfg): Export.
5107 (pass_fixup_cfg): Remove
5108 (tree_rest_of_compilation): Do not apply inlines.
5109 * tree-flow.h (execute_fixup_cfg): Declare.
5110 * Makefile.in (gt-passes.c): New.
5111 * passes.c: Include gt-passes.h
5112 (init_optimization_passes): New passes.
5113 (nnodes, order): New static vars.
5114 (do_per_function_toporder): New function.
5115 (execute_one_pass): Dump current pass here.
5116 (execute_ipa_pass_list): Don't dump current pass here.
5118 2007-01-16 Janis Johnson <janis187@us.ibm.com>
5120 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
5121 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
5123 2007-01-16 David Edelsohn <edelsohn@gnu.org>
5125 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
5126 (strong_alias): Define.
5127 (__gcc_qmul): Provide non-FMA for soft-float.
5128 (__gcc_qdiv): Same.
5129 (__gcc_qneg): New.
5130 (__gcc_qeq): New.
5131 (__gcc_qle): New.
5132 (__gcc_qge): New.
5133 (__gcc_qunord): New.
5134 (__gcc_stoq): New.
5135 (__gcc_dtoq): New.
5136 (__gcc_qtos): New.
5137 (__gcc_qtod): New.
5138 (__gcc_qtoi): New.
5139 (__gcc_qtou): New.
5140 (__gcc_itoq): New.
5141 (__gcc_utoq): New.
5142 (fmsub): New.
5143 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
5144 soft-float functions.
5145 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
5146 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
5147 about long double soft float.
5149 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
5150 Tehila Meyzels <tehila@il.ibm.com>
5152 * tree-vectorizer.h (is_pattern_stmt_p): New.
5153 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
5154 formatting (tabs instead of spaces). Cleanup and clarify setting
5155 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
5156 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
5157 (vectorizable_type_demotion): Check that types are integral.
5158 (vectorizable_type_promotion): Likewise.
5159 (vectorizable_store): Fix typo. Eliminate new-line at end of
5160 comments.
5162 2007-01-16 Jan Hubicka <jh@suse.cz>
5164 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
5165 cgraph edges too.
5167 2007-01-15 Eric Christopher <echristo@apple.com>
5169 * ifcvt.c: Include vec.h, vecprim.h.
5170 (check_cond_move_block): New argument regs.
5171 Reorganize. Add registers used to regs.
5172 (cond_move_process_if_block): Use regs set above as
5173 loop bounds.
5175 2007-01-15 Eric Christopher <echristo@apple.com>
5177 * config/darwin.h: Update copyright.
5178 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
5179 (LINK_COMMAND_SPEC): Add -u.
5180 (LINK_SPEC): Fix umbrella for above.
5182 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
5184 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
5185 glibc CVS.
5187 2007-01-15 Tom Tromey <tromey@redhat.com>
5189 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
5190 * doc/install.texi (Testing): Don't mention jacks.
5191 (Configuration): Document --enable-java-maintainer-mode. Move
5192 --with-java-home to libgcj-specific section. Document
5193 --with-ecj-jar.
5194 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
5196 2007-01-15 Jan Hubicka <jh@suse.cz>
5198 * tree-ssa-dce.c (DCE_TODOs): New.
5199 (propagate_necessity): Return if something changed.
5200 (eliminate_unnecessary_stmts): Likewise.
5201 (perform_tree_ssa_dce): Return TODO flags when needed.
5202 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
5204 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
5206 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
5207 (fyl2x_extend<mode>xf3_i387): New insn pattern.
5208 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
5209 patterns using X87MODEF12 mode macro. Extend operand 1
5210 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
5211 (log10<mode>2): Ditto.
5212 (log2<mode>2): Ditto.
5213 (log1p<mode>2): Ditto.
5214 (logb<mode>2): Ditto.
5215 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
5216 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
5217 (*fxtractxf3_i387): Rename from *fxtractxf3.
5218 (fxtract_extend<mode>xf3_i387): New insn pattern.
5219 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
5220 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
5221 and gen_fyl2xxf3_i387().
5223 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
5225 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
5226 * cfgloopmanip.c (fix_loop_placement): Made static. Use
5227 get_loop_exit_edges. Changed return type to bool.
5228 * cfgloop.h (fix_loop_placement): Declaration removed.
5230 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
5232 * param.h (MIN_VECT_LOOP_BOUND): New.
5233 * params.def (MIN_VECT_LOOP_BOUND): New.
5234 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
5235 argument - minimum threshold for number of iterations.
5236 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
5237 argument to declaration.
5238 * tree-vect-analyze.c (vect_analyze_operations): Check value of
5239 MIN_VECT_LOOP_BOUND.
5240 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
5241 slpeel_tree_peel_loop_to_edge with additional argument.
5242 (vect_do_peeling_for_alignment): Likewise.
5243 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
5245 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
5247 PR target/30413
5248 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
5249 operands of size 1.
5251 2007-01-14 Jan Hubicka <jh@suse.cz>
5253 * tree-dfa.c (remove_referenced_var): New function.
5254 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
5255 prune referenced vars list too.
5256 * tree-flow.h (remove_referenced_var): Declare.
5258 2007-01-14 Jan Hubicka <jh@suse.cz>
5260 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
5261 separately.
5262 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
5263 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
5264 * except.h (verify_eh_throw_table_statements): Kill prototype.
5265 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
5266 into call exrepssions.
5267 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
5268 eh trhow verifier.
5269 * tree-cfg.c: Include pointer-set.h.
5270 (verify_node_sharing): Work on pointer set.
5271 (verify_eh_throw_stmt_node): New.
5272 (verify_stmts): Use pointers sets, verify throw_stmt.
5274 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
5276 * ipa-reference.c (analyze_function): Consider also addresses taken
5277 in phi nodes.
5279 2007-01-12 Roger Sayle <roger@eyesopen.com>
5281 * c-typeck.c (null_pointer_constant_p): Replace use of
5282 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5283 (build_c_cast): Likewise.
5285 2007-01-12 Roger Sayle <roger@eyesopen.com>
5287 * tree.h (force_fit_type_double): Remove unused final argument.
5288 * c-common.c (constant_expression_warning): Replace use of
5289 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5290 (convert_and_check): Likewise.
5291 (shorten_compare): Update call to force_fit_type_double.
5292 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
5293 * convert.c (convert_to_pointer): Update call to
5294 force_fit_type_double.
5295 * fold-const.c (force_fit_type_double): Remove overflowed_const
5296 argument.
5297 (int_const_binop, fold_convert_const_int_from_int,
5298 fold_convert_const_int_from_real, fold_div_compare,
5299 fold_sign_changed_comparison, fold_unary, fold_negate_const,
5300 fold_abs_const, fold_not_const): Remove the final argument from
5301 calls to force_fit_type_double.
5303 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
5305 * configure.ac: Set insn to "nop" for spu-*-* also.
5306 * configure: Regenerate.
5308 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
5310 * builtins.def : Add BUILT_IN_FREE.
5312 2007-01-12 Jan Hubicka <jh@suse.cz>
5314 PR tree-optimization/30443
5315 * tree-inline.c (tree_function_versioning): Do not optimize when
5316 cloning for inlining.
5318 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
5320 * doc/loop.texi: Document recording of loop exits.
5321 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
5322 (update_single_exits_after_duplication,
5323 update_single_exit_for_duplicated_loop,
5324 update_single_exit_for_duplicated_loops): Removed.
5325 (duplicate_loop_to_header_edge): Do not call
5326 update_single_exits_after_duplication and
5327 update_single_exit_for_duplicated_loops.
5328 (loop_version): Do not update single_exit information.
5329 (fix_loop_structure): Use record_loop_exits instead of
5330 mark_single_exit_loops.
5331 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
5332 the lists of loop exits.
5333 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
5334 split_edge, merge_blocks): Update the lists of loop exits.
5335 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
5336 loop_optimizer_init.
5337 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
5338 of mark_single_exit_loops.
5339 (loop_optimizer_finalize): Call release_recorded_exits.
5340 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
5341 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
5342 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
5343 update single exit information.
5344 * lambda-code.c (perfect_nestify): Ditto.
5345 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
5346 (mark_single_exit_loops): Removed.
5347 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
5348 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
5349 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
5350 functions.
5351 (get_loop_exit_edges, single_exit): Use recorded exit lists.
5352 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
5353 (verify_loop_structure): Verify consistency of the exit lists.
5354 (flow_loops_find): Use alloc_loop. Initialize exits hash.
5355 (set_single_exit): Removed.
5356 * cfgloop.h (struct loop_exit): New function.
5357 (struct loop): single_exit_ field replaced by exits field.
5358 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by LOOPS_HAVE_RECORDED_EXITS.
5359 (struct loops): Added exits hash.
5360 (mark_single_exit_loops, set_single_exit): Declaration removed.
5361 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
5363 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5365 * doc/invoke.texi: Avoid use of @headitem.
5367 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5369 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
5371 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5373 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
5374 list of targets.
5376 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
5377 Richard Sandiford <richard@codesourcery.com>
5379 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
5380 * config/m68k/m68k.opt: Resort options.
5381 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
5383 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
5384 Richard Sandiford <richard@codesourcery.com>
5386 * doc/invoke.texi: Document the macros that are defined by
5387 m68k's -mtune and -mhard-float options.
5388 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
5389 (m68k_cpp_cpu_family): Likewise.
5390 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
5391 of __ucfv*__ macros. Define __mcffpu__ if generating code for
5392 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
5393 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
5394 (m68k_cpp_cpu_family): Likewise.
5396 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5398 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
5399 macros besides mc68000 as tuning macros. Use a switch statement
5400 to set them and mcpu32.
5402 2007-01-12 Julian Brown <julian@codesourcery.com>
5404 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
5405 (TARGET_68040_ONLY): Rename to...
5406 (TARGET_68040): ...this.
5407 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
5408 * config/m68k/m68k.md: Likewise.
5410 2007-01-12 Julian Brown <julian@codesourcery.com>
5411 Nathan Sidwell <nathan@codesourcery.com>
5412 Richard Sandiford <richard@codesourcery.com>
5414 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
5415 the -mcpu= argument associated with the --with-cpu setting.
5416 Define M68K_DEFAULT_TUNE to the default -mtune= option,
5417 if different from the one implied by the -mcpu setting.
5418 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
5419 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
5420 * doc/invoke.texi: Mention ColdFire in the introduction to the
5421 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
5422 -mno-div and -mhard-float options. Make -m68881 a synonym for
5423 -mhard-float. Document the previously-undocumented -m5206e,
5424 -m528x, -m5307 and -m5407 options. Tweak the existing option
5425 documentation for consistency.
5426 * doc/install.texi: Mention new --with-cpu arguments.
5427 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
5428 default CPU if neither -mcpu nor -march are specified.
5429 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
5430 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
5431 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
5432 using m68k_tune to decide between families that implement the
5433 same ISA. Use m68k_tune to set __mcfv4e__.
5434 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
5435 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
5436 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
5437 (FL_ISA_C, FL_ISA_MMU): New macros.
5438 (MASK_COLDFIRE): Delete.
5439 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
5440 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
5441 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
5442 (TARGET_HARD_FLOAT): Do not define here.
5443 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
5444 (TUNE_68000): New macro.
5445 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
5446 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
5447 (TUNE_CFV2): Redefine in terms of m68k_tune.
5448 (uarch_type, target_device, fpu_type): New enums.
5449 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
5450 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
5451 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
5452 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
5453 (FL_FOR_isa_c): New macros.
5454 (m68k_isa): New enum.
5455 (m68k_target_selection): New structure.
5456 (all_devices, all_isas, all_microarchs): New tables.
5457 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
5458 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
5459 (MASK_ALL_CPU_BITS): Delete.
5460 (m68k_find_selection): New function.
5461 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
5462 Map the legacy target options to a combination of the new ones.
5463 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
5464 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
5465 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
5466 settings.
5467 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
5468 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
5469 properties.
5470 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
5471 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
5472 * config/m68k/m68k-devices.def: New file.
5474 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5475 Nathan Sidwell <nathan@codesourcery.com>
5477 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
5478 (SUBTARGET_EXTRA_SPECS): New macros.
5479 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
5480 use %(asm_cpu_spec) instead.
5481 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
5482 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
5483 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
5484 (EXTRA_SPECS): Rename to...
5485 (SUBTARGET_EXTRA_SPECS): ...this.
5487 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
5488 Richard Sandiford <richard@codesourcery.com>
5489 Julian Brown <julian@codesourcery.com>
5491 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
5492 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
5493 to the configuration's default CPU.
5494 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
5495 Remove default masks.
5496 (m680[012]0-*-*): Set the default with_cpu to the first part of
5497 the target name.
5498 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
5499 (m68k*-*-linux): Extend the --with-cpu handling to...
5500 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
5501 and m68010. Don't set target_cpu_default2.
5502 * doc/install.texi: Document --with-cpu for m68k.
5503 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
5504 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
5505 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
5506 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
5507 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
5508 (ASM_SPEC): Remove use of %(asm_cpu_default).
5509 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
5510 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
5511 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
5512 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
5513 __HAVE_FPU__ if TARGET_HARD_FLOAT.
5514 (TARGET_DEFAULT): Delete.
5515 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
5516 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
5517 (CPP_CPU_SPEC): Delete.
5518 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
5519 the appropriate string.
5520 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
5521 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
5522 (ASM_SPEC): Don't use %(asm_default_spec).
5523 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
5524 TARGET_DEFAULT and add MASK_68881.
5525 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
5527 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5529 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
5530 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
5531 MASK_68010 alongside MASK_68020.
5532 * doc/invoke.texi: Document -m68010.
5533 * config/m68k/m68k.opt (m68010): New.
5534 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
5535 if TUNE_68010.
5536 (TUNE_68010): New macro.
5537 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
5538 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
5539 (M68K_CPU_m68332): Add MASK_68010.
5540 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
5541 fallback definition.
5542 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
5543 defines.
5544 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
5545 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
5546 to all entries that use MASK_68020.
5547 (output_move_simode_const, output_move_himode, output_move_qimode)
5548 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
5549 instead of TARGET_68020 to select clr behavior. Remove comment
5550 about there being no TARGET_68010.
5551 * config/m68k/m68k.md: Likewise throughout.
5553 2007-01-12 Julian Brown <julian@codesourcery.com>
5555 * config/m68k/m68k.h (TARGET_ISAB): New macro.
5556 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
5557 * config/m68k/m68k.md: Likewise.
5559 2007-01-12 Julian Brown <julian@codesourcery.com>
5561 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
5562 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
5564 2007-01-12 Julian Brown <julian@codesourcery.com>
5566 * config/m68k/m68k.h (TUNE_68040_60): New macro.
5567 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
5568 * config/m68k/m68k.md: Likewise.
5570 2007-01-12 Julian Brown <julian@codesourcery.com>
5571 Richard Sandiford <richard@codesourcery.com>
5573 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
5574 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
5575 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
5576 TARGET_CPU32.
5577 (TARGET_CPU32): Rename to...
5578 (TUNE_CPU32): ...this.
5579 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
5580 (TUNE_CFV2): New macros.
5581 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
5582 remove conditions that are implied by TARGET_68020.
5583 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
5584 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
5585 (m68k_output_function_epilogue): Likewise.
5586 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
5587 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
5588 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
5589 non-68000 timings. Refactor multiplication and division costs.
5590 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
5591 TUNE_CPU32 instead of TARGET_CPU32.
5592 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
5593 and TUNE_68060 instead of TARGET_68060.
5594 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
5595 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
5596 TARGET_CPU32.
5597 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
5598 && !TARGET_COLDFIRE" to choose between moveq and clr.
5599 Likewise in the unnamed movsf pattern.
5600 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
5601 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
5602 ashiftrt pattern.
5604 2007-01-12 Richard Sandiford <richard@codesourcery.com>
5606 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
5607 of tabbing before backslashes.
5609 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5611 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
5612 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
5613 (ASM_OUTPUT_INTERNAL_LABEL): Define.
5615 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
5617 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
5618 find_interesting_uses_cond.
5619 (find_interesting_uses_cond): Use extract_cond_operands.
5620 (rewrite_use_compare): Use extract_cond_operands and
5621 force_gimple_operand_bsi. Do not call update_stmt.
5622 (determine_use_iv_cost_condition): Use extract_cond_operands.
5623 Return cheaper of using original bound and changing the exit bound.
5625 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
5627 PR tree-optimization/29516
5628 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
5629 most_expensive_mult_to_index, addr_to_parts,
5630 create_mem_ref, maybe_fold_tmr): Make the type of
5631 fields of TARGET_MEM_REF sizetype.
5632 (move_fixed_address_to_symbol, move_pointer_to_base):
5633 New functions.
5634 * tree.def (TARGET_MEM_REF): Add comment on types of
5635 the operands.
5637 2007-01-11 Joseph Myers <joseph@codesourcery.com>
5639 * c-common.c (vector_types_convertible_p): Treat opaque types as
5640 always convertible if they have the same size, but not otherwise.
5642 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
5644 * ifcvt.c (struct noce_if_info): Add comments to the fields.
5645 Remove the b_unconditional field.
5646 (noce_try_sign_mask): Do not look at b_unconditional.
5647 (noce_process_if_block): Do not use merge_if_blocks. Update
5648 the CFG here. Do not set b_unconditional.
5649 (cond_move_process_if_block): Likewise.
5650 (find_cond_trap): Likewise.
5651 (check_cond_move_block): Require simple jump insns at the end
5652 of the basic block.
5654 2007-01-11 Jan Hubicka <jh@suse.cz>
5656 PR tree-optimization/1046
5657 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
5658 when alias info is not ready.
5659 (pass_tail_recursion): Do not require aliasing.
5660 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
5661 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
5662 * tree-ssa-copy.c (pass_copy_prop): Likewise.
5663 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
5664 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
5665 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
5666 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
5667 before inlining.
5668 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
5669 When aliasing is not build, mark statement as volatile.
5671 2007-01-11 Tom Tromey <tromey@redhat.com>
5673 PR preprocessor/15185, PR preprocessor/20989:
5674 * doc/cppopts.texi <-MT>: Update description of algorithm for
5675 computing default target.
5676 <-M, -MD>: Reword "basename" text.
5678 2007-01-11 Roger Sayle <roger@eyesopen.com>
5680 * builtins.c (expand_builtin_pow, expand_builtin_powi,
5681 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
5682 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
5683 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
5684 fold_builtin_bswap, real_constp, fold_builtin_pow,
5685 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
5686 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
5687 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
5688 * convert.c (convert_to_pointer): Likewise.
5689 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
5690 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
5691 const_binop, fold_convert_const_int_from_int,
5692 fold_convert_const_int_from_real,
5693 fold_convert_const_real_from_real, sign_bit_p,
5694 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
5695 fold_sign_changed_comparison, fold_unary, fold_comparison,
5696 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
5697 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
5698 * print-tree.c (print_node_brief, print_node): Likewise.
5699 * stor-layout.c (place_field, layout_type): Likewise.
5700 * tree-chrec.c (keep_cast): Likewise.
5701 * tree.c (build_vector, build_real, build_real_from_int_cst,
5702 build_complex): Likewise.
5704 2007-01-11 Roger Sayle <roger@eyesopen.com>
5706 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
5707 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
5709 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
5711 * configure.ac (strict1_warn): Rename to strict_warn.
5712 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
5713 cc_set_by_configure, quoted_cc_set_by_configure,
5714 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
5715 all_boot_languages, all_stagestuff): Remove.
5716 (target_list): Remove bootstrap targets.
5717 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
5718 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
5719 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
5720 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
5721 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
5722 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
5723 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
5724 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
5725 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
5726 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
5727 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
5728 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
5729 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
5730 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
5731 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
5732 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
5733 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
5734 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
5735 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
5736 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
5737 (mostlyclean): Adjust.
5738 (clean, distclean): Don't mention bootstrap stuff.
5739 * configure: Regenerate.
5740 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
5741 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
5742 treelang/config-lang.in (stagestuff): Remove.
5743 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
5744 stageprofile, stagefeedback, stagestuff): Remove mention.
5746 2007-01-11 Nick Clifton <nickc@redhat.com>
5748 * config/mcore/predicates.md (mcore_general_movesrc_operand):
5749 Accept CONSTs.
5750 (mcore_general_movdst_operand): Do not accept CONST_INTs.
5751 (mcore_arith_K_S_operand): Run the test for the S constraint not
5752 the test for the M constraint.
5753 (mcore_addsub_operand): Do not accept integer values that are
5754 larger than 32 bits.
5755 * config/mcore/mcore.md: Remove unused constraints from split.
5756 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
5757 (addsi3): Likewise.
5758 (allocate_stack): Likewise.
5759 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
5760 operands to 32 bits.
5761 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
5762 INTVAL.
5763 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
5764 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
5765 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
5766 mcore_output_bclri, mcore_output_andn, output_inline_const,
5767 mcore_output_move, mcore_output_movedouble): Likewise.
5768 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
5769 (output_inline_const): Likewise.
5770 (output_inline_const): Fix format strings used in sprintf
5771 statements.
5772 * config/mcore/mcore-protos.h: Update prototypes for changed
5773 functions in mcore.c.
5774 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
5775 HOST_WIDE_INT and not int.
5776 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
5777 CONST_OK_FOR_N): Likewise.
5778 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
5779 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
5780 an INTVAL.
5782 2007-01-10 Jan Hubicka <jh@suse.cz>
5784 * tree-vrp.c (remove_range_assertions): Release defs.
5785 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
5786 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
5788 2007-01-10 Paul Brook <paul@codesourcery.com>
5790 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
5791 * config/arm/arm.md (mulsi3subsi): New insn.
5793 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
5795 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
5796 (tree_transform_and_unroll_loop): New.
5797 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
5798 Declare.
5800 2007-01-10 Robert Kennedy <jimbob@google.com>
5802 * fold-const.c (fold_comparison): Fold comparisons like (x *
5803 1000 < 0) to (x < 0).
5805 2007-01-10 Ian Lance Taylor <iant@google.com>
5807 * tree-pretty-print.c (dump_generic_node): Print parentheses when
5808 operands have the same priority.
5810 2007-01-10 Tom Tromey <tromey@redhat.com>
5812 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
5813 (fold_binary): Likewise.
5814 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
5815 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
5816 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
5817 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
5818 * langhooks.h (struct lang_hooks): Removed field
5819 'can_use_bit_fields_p'.
5821 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
5823 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
5825 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
5827 * function.c (get_last_funcdef_no): New function.
5828 * function.h (get_last_funcdef_no): Declare.
5829 * tree-inline.c (initialize_cfun): Add initialization.
5830 (tree_function_versioning): Cleanup.
5832 2007-01-10 Jan Hubicka <jh@suse.cz>
5834 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
5835 PHIs.
5837 2007-01-10 Sa Liu <saliu@de.ibm.com>
5838 Ben Elliston <bje@au.ibm.com>
5840 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
5841 for SAVE_NONLOCAL and Pmode for any other save level.
5842 * spu-protos.h (spu_restore_stack_block): Declare.
5843 * spu.md (save_stack_block): Remove.
5844 (restore_stack_block): Call spu_restore_stack_block.
5845 * spu.c (spu_restore_stack_block): New function.
5846 (spu_expand_epilogue): Remove old comment.
5848 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
5850 PR tree-optimization/30322
5851 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
5852 (cand_value_at): Return the value as aff_tree.
5853 (may_eliminate_iv): Convert the bound from aff_tree to tree.
5854 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
5855 aff_combination_mult): New functions.
5856 (aff_combination_add): Use aff_combination_add_cst.
5857 (aff_combination_convert): Allow conversions to a wider type.
5858 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
5859 * tree-affine.h (aff_combination_mult): Declare.
5861 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
5863 * doc/tm.texi: Update documentation to reflect reality of exec
5864 and start file search behaviours. Update copyright year.
5865 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
5866 header file directories.
5868 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
5870 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
5871 (*cosxf2): Rename to cosxf2_i387.
5872 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
5873 using X87MODEF12 mode macro. Rename patterns to
5874 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
5875 for SSE math.
5876 (*cosdf2, *cossf2): Ditto.
5877 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
5878 to match extended input operands.
5879 (sincos<mode>3): New expander.
5880 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
5881 insn patterns and corresponding splitters.
5883 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
5885 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
5886 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
5888 2007-01-09 Nicolas Pitre <nico@cam.org>
5890 PR target/30173
5891 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
5893 2007-01-08 Geoffrey Keating <geoffk@apple.com>
5895 * target.h (struct gcc_target): New field library_rtti_comdat.
5896 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
5897 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
5898 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
5899 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
5901 2007-01-08 Geoffrey Keating <geoffk@apple.com>
5903 * doc/invoke.texi (Optimize Options): Correct description of -O0.
5905 2007-01-08 Richard Guenther <rguenther@suse.de>
5907 * tree.h (force_fit_type_double): Export.
5908 (force_fit_type): Remove.
5909 * fold-const.c (force_fit_type_double): New function.
5910 (force_fit_type): Remove.
5911 (int_const_binop): Use it.
5912 (fold_convert_const_int_from_int): Likewise.
5913 (fold_convert_const_int_from_real): Likewise.
5914 (fold_div_compare): Likewise.
5915 (fold_sign_changed_comparison): Likewise.
5916 (fold_unary): Likewise.
5917 (fold_negate_const): Likewise.
5918 (fold_abs_const): Likewise.
5919 (fold_not_const): Likewise.
5920 * c-common.c (shorten_compare): Use force_fit_type_double.
5921 * convert.c (convert_to_pointer): Likewise.
5923 2007-01-08 Richard Guenther <rguenther@suse.de>
5925 * tree.h (build_int_cst_wide_type): Export.
5926 * tree.c (build_int_cst_wide_type): New function.
5927 (build_int_cst_wide): Fix comment.
5928 * builtins.c (fold_builtin_object_size): Use build_int_cst
5929 to build -1 or 0 of the correct type. Use fit_double_type
5930 to check for overflow.
5931 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
5932 to build the mask.
5933 (decode_field_reference): Likewise.
5934 (all_ones_mask_p): Likewise.
5935 (native_interpret_int): Use build_int_cst_wide_type.
5936 (fold_binary): Use build_int_cst_type to build an all-ones
5937 value.
5938 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
5940 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
5942 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
5944 2007-01-09 Ben Elliston <bje@au.ibm.com>
5946 * genautomata.c (STATS_OPTION): New option.
5947 (stats_flag): New flag.
5948 (gen_automata_option): Handle it.
5949 (initiate_automaton_gen): Ditto.
5950 (write_automata): Output statistics only if stats_flag is
5951 set. Likewise, output time statistics only if time_flag is set.
5952 * doc/md.texi (Processor pipeline description): Document new flag.
5954 2007-01-08 Richard Guenther <rguenther@suse.de>
5956 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
5957 * tree.c (build_int_cst_type): Likewise.
5958 (size_in_bytes): Don't call force_fit_type on the result.
5959 (int_fits_type_p): Use fit_double_type.
5960 * fold-const.c (fit_double_type): New function.
5961 (force_fit_type): Use it.
5962 * tree.h (fit_double_type): Export.
5964 2007-01-08 Jan Hubicka <jh@suse.cz>
5966 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
5967 * ipa.c (function_and_variable_visibility): Fix return type.
5969 2007-01-08 Richard Guenther <rguenther@suse.de>
5971 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
5972 of offset to build the index.
5973 * tree-pretty-print.c (dump_generic_node): Don't build negated
5974 const just for printing.
5975 * c-pretty-print.c (pp_c_integer_constant): Likewise.
5976 * builtins.c (fold_builtin_int_roundingfn): Check if result
5977 fits the type by using force_fit_type and comparing the result.
5978 * predict.c (predict_loops): Use compare_tree_int for comparison.
5979 * tree.c (build_int_cst): Fall back to integer_type_node for
5980 NULL_TREE type.
5981 (build_int_cst_wide): Assert type is non-null.
5983 2007-01-08 Roberto Costa <roberto.costa@st.com>
5985 * tree-vrp.c (extract_range_from_cond_expr): New.
5986 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
5987 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
5988 as expressions.
5989 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
5990 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
5991 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
5992 used as expressions.
5993 * tree-object-size.c (cond_expr_object_size): New.
5994 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
5996 2007-01-08 Jan Hubicka <jh@suse.cz>
5998 * tree-ssa-forwprop.c (forward_propagate_into_cond,
5999 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
6000 statement.
6002 2007-01-08 Richard Guenther <rguenther@suse.de>
6004 PR tree-optimization/23603
6005 * tree-vrp.c (set_value_range_to_truthvalue): New function.
6006 (extract_range_from_binary): Fall back to truthvalue instead of
6007 varying for TRUTH_*_EXPR.
6008 (extract_range_from_comparison): Fall back to truthvalue instead of
6009 varying.
6010 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
6011 if all visited PHI values were constant.
6013 2007-01-08 Jan Hubicka <jh@suse.cz>
6015 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
6016 (cgraph_analyze_function): break out from ...
6017 (cgraph_finalize_compilation_unit): ... here.
6018 (cgraph_expand_function): Remove forgoten commented out line.
6019 (cgraph_optimize): Analyze functions.
6021 2007-01-08 Jan Hubicka <jh@suse.cz>
6023 * tree-pas.h (TODO_remove_function): New flag.
6024 (TODO_update*): Renumber.
6025 (pass_ipa_increase_alignment,
6026 pass_ipa_function_and_variable_visibility): New passes.
6027 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
6028 (cgraph_function_and_variable_visibility): Move to ipa.c
6029 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
6030 cgraph_increase_alignment.
6031 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
6032 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
6033 calling tree-inline.
6034 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
6035 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
6036 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
6037 (gate_increase_alignment): New function.
6038 (pass_ipa_increase_alignment): New pass.
6039 * ipa.c: Inline tree-pass.h and timevar.h
6040 (function_and_variable_visibility): Move here from cgraphunit.c
6041 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
6042 * passes.c (init_optimization_passes): Add the two new passes.
6043 (execute_todo): Handle cgraph_remove_functions.
6045 2007-01-08 Nick Clifton <nickc@redhat.com>
6047 * config/frv/predicates.md (reg_or_0_operand): Accept
6048 CONST_DOUBLEs.
6050 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
6052 * config/bfin/rtems.h, config/bfin/t-rtems: New.
6053 * config.gcc: Add bfin*-rtems*.
6055 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
6057 * c.opt: Add -flax-vector-conversions.
6058 * c-typeck.c (convert_for_assignment): Pass flag to
6059 vector_types_convertible_p to allow emission of note.
6060 (digest_init): Likewise.
6061 * c-opts.c: Handle -flax-vector-conversions.
6062 * c-common.c (flag_lax_vector_conversions): New.
6063 (vector_types_convertible_p): Unless -flax-vector conversions
6064 has been passed, disallow conversions between vectors with
6065 differing numbers of subparts and/or element types. If such
6066 a conversion is disallowed, possibly emit a note on the first
6067 occasion only to inform the user of -flax-vector-conversions.
6068 The new last argument specifies this.
6069 * c-common.h (flag_lax_vector_conversions): New.
6070 (vector_types_convertible_p): Add extra argument.
6071 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
6072 char_type_node for V*QI type vectors.
6073 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
6074 Update to satisfy new typechecking rules.
6075 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
6076 C and C++ variants.
6077 * doc/invoke.texi (C Dialect Options): Document
6078 -flax-vector-conversions.
6080 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
6082 PR tree-optimization/29877
6083 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
6084 a register variable on the RHS to not be replaceable.
6086 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
6087 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
6088 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
6089 const_simm15, const_pow2, const_npow2): Added.
6090 * config/score/misc.md (insv, extv, extzv, movmemsi,
6091 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
6092 * config/score/score.c (score_address_cost, score_select_cc_mode):
6093 Added.
6094 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
6095 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
6096 Update score_print_operand.
6097 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
6098 Adjust register allocate order and update some macro define.
6099 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
6100 mdx_block_move_straight, mdx_block_move_loop_head,
6101 mdx_block_move_loop_body, mdx_block_move_loop_foot, mdx_block_move_loop,
6102 mdx_block_move): Added.
6103 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
6104 mdp_limm): Updated and fix some bug and typo.
6105 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
6106 (movsf, movdf, doloop_end): Added.
6108 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
6110 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
6111 config/arm/thumb2.md: Fix comment typos.
6112 * doc/extend.texi: Fix a typo.
6114 2007-01-07 Eric Christopher <echristo@apple.com>
6116 * configure.ac: Check for __stack_chk_fail for darwin.
6117 * configure: Regenerate.
6119 2007-01-07 Richard Guenther <rguenther@suse.de>
6121 * tree-vrp.c (extract_range_from_assert): CSE calls to
6122 compare_values where possible.
6123 (extract_range_from_unary_expr): Likewise.
6125 2007-01-07 Anatoly Sokolov <aesok@post.ru>
6127 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
6128 * config/avr/avr.c (call_insn_operand): Delete function.
6129 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
6130 instead of register number. Use predicates.
6131 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
6132 call_insn_operand): Add.
6134 2007-01-06 Jan Hubicka <jh@suse.cz>
6136 * tree-pass.h (pass_build_cgraph_edges): Declare.
6137 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
6138 (visited_nodes): Remove.
6139 (cgraph_create_edges): Move to cgraphbuild.c; rename to
6140 build_cgrpah_edges; make visited_nodes local.
6141 (cgraph_process_new_functions): DO not call initialize_inline_failed.
6142 (record_references_in_initializer): Move to cgraphbuild.c
6143 (initialize_inline_failed, rebuild_cgraph_edges,
6144 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
6145 (verify_cgraph_node): Make visited_nodes local.
6146 (cgraph_analyze_function): Do not call cgraph_create_edges and
6147 initialize_inline_failed.
6148 (cgraph_expand_function): Do not call cgraph_lower_function;
6149 assert that function is already lowered.
6150 * Makefile.in (cgraphbuild.o): New.
6151 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
6152 at the end of lowering passes.
6154 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
6156 * ifcvt.c (cond_move_convert_if_block): New function, code
6157 factored out from...
6158 (cond_move_process_if_block): ...here. Call the new function
6159 on the THEN and ELSE blocks.
6160 (merge_if_block): Do not copy global_live_at_end, merge_blocks
6161 already takes care of this.
6163 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6165 PR c/19978
6166 * tree.h (TREE_OVERFLOW_P): New.
6167 * c-typeck.c (parser_build_unary_op): Warn only if result
6168 overflowed and operands did not.
6169 (parser_build_binary_op): Likewise.
6170 (convert_for_assignment): Remove redundant overflow_warning.
6171 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
6173 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6175 * c-typeck.c (store_init_value): Split over two lines to follow
6176 the GNU coding style.
6178 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
6180 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
6181 __GXX_EXPERIMENTAL_CXX0X__.
6182 * doc/cpp.texi: Same.
6184 2007-01-05 Richard Guenther <rguenther@suse.de>
6186 PR middle-end/27826
6187 * tree.c (get_narrower): Do not construct COMPONENT_REFs
6188 with mismatched types. Instead explicitly build a
6189 conversion NOP_EXPR.
6191 2007-01-05 Ian Lance Taylor <iant@google.com>
6193 * c-common.c (decl_with_nonnull_addr_p): New function.
6194 (c_common_truthvalue_conversion): Call it.
6195 * c-typeck.c (build_binary_op): Likewise.
6196 * c-common.h (decl_with_nonnull_addr_p): Declare.
6198 2007-01-05 Jakub Jelinek <jakub@redhat.com>
6200 PR c/30360
6201 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
6202 denom against 0.0.
6204 2007-01-05 Joel Brobecker <brobecker@adacore.com>
6206 * doc/install.texi (Final install): Document the fact that
6207 the GNAT runtime should not be stripped.
6209 2007-01-04 Jan Hubicka <jh@suse.cz>
6211 * tree-inline.c (fold_marked_statements): Update operand caches
6212 and EH after folding
6214 2007-01-04 Ian Lance Taylor <iant@google.com>
6216 * c-common.c (check_function_nonnull): Whitespace fix.
6218 2007-01-04 Jan Hubicka <jh@suse.cz>
6220 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
6221 comitted older version of patch.
6222 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
6223 function, celanup cfg and collect garbage.
6225 2007-01-04 Mike Stump <mrs@apple.com>
6227 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
6228 (clean): Likewise.
6230 2007-01-04 Eric Christopher <echristo@apple.com>
6232 * libgcc2.c (__bswapsi2): Use SItype.
6233 (__bswapdi2): Use DItype.
6234 * libgcc2.h: Update for above.
6236 2007-01-04 Paul Brook <paul@codesourcery.com>
6238 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
6239 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
6240 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
6241 umulsidi3, umulsidi3adddi, smulsi3_highpart,
6242 umulsi3_highpart): Make conditional on !arm_arch6.
6243 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
6244 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
6245 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
6246 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
6247 umulsi3_highpart_v6): New insns.
6249 2007-01-04 Roger Sayle <roger@eyesopen.com>
6251 * fold-const.c (fold_convert): When casting an expression to void,
6252 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
6253 have a type. Instead of attempting to build a NOP_EXPR, return
6254 these "special" trees directly.
6256 2007-01-04 Joseph Myers <joseph@codesourcery.com>
6258 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
6259 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
6260 rs6000_cost->fp not 0 as adjustment for outer NEG.
6262 2007-01-04 Jan Hubicka <jh@suse.cz>
6264 * cgraph.c (cgraph_release_function_body): New function.
6265 (cgraph_remove_node): Use it.
6266 * cgraph.h (cgraph_release_function_body): Declare.
6267 * cgraphunit.c (cgraph_expand_function): Use it.
6268 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
6269 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
6270 is initialized and while compilation of other function is running.
6271 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
6272 statement CFG annotations from here to ...
6273 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
6275 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
6277 * cfgloop.h (enum li_flags): Make the constants powers of two.
6279 2007-01-04 Jan Hubicka <jh@suse.cz>
6281 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
6282 set.
6283 (fold_marked_statements): New function.
6284 (optimize_inline_calls, tree_function_versioning): Fold new statements.
6285 * tree-inline.h (copy_body_data): Add statements_to_fold.
6287 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
6289 * config.gcc: Mention libgcc/config.host.
6290 * Makefile.in: Update comments mentioning libgcc.
6291 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
6292 (all.cross, start.encap, rest.encap, rest.cross): Update
6293 dependencies for libgcc move.
6294 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
6295 (clean-target, clean-target-libgcc): Delete.
6296 (srcdirify, GCC_EXTRA_PARTS): New macros.
6297 (libgcc-support, libgcc.mvars): New rules.
6298 (distclean): Remove mention of mklibgcc.
6299 (install): Don't reference INSTALL_LIBGCC.
6300 (install-common): Don't reference EXTRA_PARTS.
6301 (install-libgcc, install-multilib): Delete rules.
6302 * mklibgcc.in: Delete file.
6303 * doc/configfiles.texi: Don't mention mklibgcc.
6305 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
6306 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
6307 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
6308 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
6309 (mklibgcc, ldblspecs): Likewise.
6311 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
6312 (posixpre.def): Use $(T).
6313 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
6314 (SHLIB_SRC, SHLIB_INSTALL): Delete.
6315 (SHLIB_LINK): Make dummy.
6316 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
6318 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
6320 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
6321 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
6322 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
6323 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
6325 * configure.ac (all_outputs): Remove mklibgcc.
6326 * configure: Regenerated.
6328 2007-01-03 Josh Conner <jconner@apple.com>
6330 PR middle-end/29683
6331 * calls.c (compute_argument_addresses): Set stack and stack_slot
6332 for partial args, too.
6333 (store_one_arg): Use locate.size.constant for the size when
6334 generating a save_area.
6336 2007-01-03 Robert Kennedy <jimbob@google.com>
6338 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
6339 whose definitions are deleted due to basic block merging.
6341 2007-01-03 Paul Brook <paul@codesourcery.com>
6343 PR target/16634
6344 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
6345 functions.
6346 (use_return_insn): Return 0 for Thumb interrupt functions.
6347 (print_multi_reg): Add rfe argument for IRQ returns.
6348 (arm_output_epilogue): Pop interrupt return address directly into PC.
6349 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
6351 2007-01-03 Paul Brook <paul@codesourcery.com>
6353 Merge from sourcerygxx-4_1.
6354 * config/arm/thumb2.md: New file.
6355 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
6356 Thumb-2.
6357 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
6358 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6359 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
6360 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
6361 tables.
6362 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
6363 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
6364 comptibility.
6365 * config/arm/ieee754-sf.S: Ditto.
6366 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
6367 (thumb1_base_register_rtx_p): ... to this.
6368 (thumb_index_register_rtx_p): Rename...
6369 (thumb1_index_register_rtx_p): ... to this.
6370 (thumb_output_function_prologue): Rename...
6371 (thumb1_output_function_prologue): ... to this.
6372 (thumb_legitimate_address_p): Rename...
6373 (thumb1_legitimate_address_p): ... to this.
6374 (thumb_rtx_costs): Rename...
6375 (thumb1_rtx_costs): ... to this.
6376 (thumb_compute_save_reg_mask): Rename...
6377 (thumb1_compute_save_reg_mask): ... to this.
6378 (thumb_final_prescan_insn): Rename...
6379 (thumb1_final_prescan_insn): ... to this.
6380 (thumb_expand_epilogue): Rename...
6381 (thumb1_expand_epilogue): ... to this.
6382 (arm_unwind_emit_stm): Rename...
6383 (arm_unwind_emit_sequence): ... to this.
6384 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
6385 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
6386 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
6387 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
6388 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
6389 thumb2_output_casesi): New functions.
6390 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
6391 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
6392 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
6393 THUMB2_WORK_REGS): Define.
6394 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
6395 arm_condexec_mask, arm_condexec_masklen)): New variables.
6396 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
6397 (arm_override_options): Check new CPU capabilities.
6398 Set new architecture flag variables.
6399 (arm_isr_value): Handle v7m interrupt functions.
6400 (user_return_insn): Return 0 for v7m interrupt functions. Handle
6401 Thumb-2.
6402 (const_ok_for_arm): Handle Thumb-2 constants.
6403 (arm_gen_constant): Ditto. Use movw when available.
6404 (arm_function_ok_for_sibcall): Return false for v7m interrupt
6405 functions.
6406 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
6407 (thumb_find_work_register, arm_load_pic_register,
6408 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
6409 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
6410 print_multi_reg, output_mov_long_double_fpa_from_arm,
6411 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
6412 output_mov_double_fpa_from_arm, output_move_double,
6413 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
6414 output_return_instruction, arm_output_function_prologue,
6415 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
6416 arm_output_mi_thunk, thumb_set_return_address): Ditto.
6417 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
6418 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
6419 (arithmetic_instr, shift_op): Use arm_shift_nmem.
6420 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
6421 '!' and 'L'.
6422 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
6423 (thumb_expand_prologue): Use thumb_set_frame_pointer.
6424 (arm_file_start): Output directive for unified syntax.
6425 (arm_unwind_emit_set): Handle stack alignment instruction.
6426 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
6427 Add v6t2, v7, v7a, v7r and v7m.
6428 (RETLDM): Add Thumb-2 code.
6429 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
6430 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
6431 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
6432 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
6433 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
6434 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
6435 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
6436 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
6437 ADJUST_INSN_LENGTH): Define.
6438 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
6439 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
6440 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
6441 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
6442 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6443 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
6444 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
6445 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
6446 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
6447 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
6448 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
6449 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
6450 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
6451 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
6452 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
6453 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
6454 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
6455 cortex-m3.
6456 * config/arm/arm-tune.md: Regenerate.
6457 * config/arm/arm-protos.h: Update prototypes.
6458 * config/arm/vfp.md: Enable patterns for Thumb-2.
6459 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
6460 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
6461 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
6462 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
6463 * config/arm/libunwind.S: Add Thumb-2 code.
6464 * config/arm/constraints.md: Update include Thumb-2.
6465 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
6466 * config/arm/ieee754-df.S: Ditto.
6467 * config/arm/bpabi.S: Ditto.
6468 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
6469 * config/arm/predicates.md (low_register_operand,
6470 low_reg_or_int_operand, thumb_16bit_operator): New.
6471 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
6472 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
6473 * config/arm/t-arm-elf: Add armv7 multilib.
6474 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
6475 Include thumb2.md.
6476 (UNSPEC_STACK_ALIGN, ce_count): New.
6477 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
6478 arm_zero_extendsidi2, arm_zero_extendqidi2): New
6479 insns/expanders.
6480 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
6481 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
6482 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
6483 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
6484 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
6485 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
6486 insns.
6487 * doc/extend.texi: Document ARMv7-M interrupt functions.
6488 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
6490 2007-01-03 Jakub Jelinek <jakub@redhat.com>
6492 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
6493 (struct _Unwind_Context): Rename args_size to flags, remove
6494 signal_frame field, add a new args_size field and version field.
6495 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
6496 _Unwind_IsExtendedContext): New inline functions.
6497 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
6498 Assume by_value array is only present if _Unwind_IsExtendedContext.
6499 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
6500 _Unwind_IsSignalFrame.
6501 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
6502 (uw_update_context_1): Use _Unwind_SetSignalFrame.
6503 (uw_init_context_1): Initialize context->flags to
6504 EXTENDED_CONTEXT_BIT.
6505 * config/rs6000/linux-unwind.h (frob_update_context): Use
6506 _Unwind_SetSignalFrame.
6508 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
6510 PR middle-end/30353
6511 * gimplify.c (gimplify_modify_expr_complex_part): Move below
6512 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
6513 the value.
6515 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
6517 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
6518 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
6519 RET, AT_SP): Remove.
6520 * config/i386/i386.md (*sse_prologue_save_insn): Use return
6521 instead of RET.
6523 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6524 * cfgbuild.c (find_basic_blocks): Likewise.
6525 * cfgrtl.c (rtl_create_basic_block): Likewise.
6526 * function.c (temp_slots_at_level): Likewise.
6527 * reg-stack.c (stack_regs_mentioned): Likewise.
6528 * regclass.c (allocate_reg_info): Likewise.
6529 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6530 set_bb_for_stmt, move_block_to_fn): Likewise.
6531 * tree-complex.c (tree_lower_complex): Likewise.
6532 * vec.h (VEC_safe_grow_cleared): New.
6534 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
6536 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
6538 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
6539 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
6540 to loop_version.
6541 * cfgloopmanip.c (scale_loop_frequencies): Export.
6542 (loopify): Scale the frequencies by prescribed coefficients.
6543 (set_zero_probability): New function.
6544 (duplicate_loop_to_header_edge): Improve updating of frequencies.
6545 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
6546 and frequencies according to arguments.
6547 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
6548 correctly.
6549 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
6550 * modulo-sched.c (sms_schedule): Set probabilities for entering
6551 versioned loop correctly.
6552 * tree-vect-transform.c (vect_transform_loop): Ditto.
6553 * cfgloop.h (loopify, loop_version): Declaration changed.
6554 (scale_loop_frequencies): Declared.
6556 2007-01-02 Jan Hubicka <jh@suse.cz>
6558 * cgraph.c: Include tree-flow.h
6559 (cgraph_add_new-function): Handle IPA_SSA mode; execute
6560 early_local_passes.
6561 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
6562 * tree-pass.h (pass_all_early_optimizations): Declare.
6563 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
6564 early_local_passes.
6565 (cgraph_analyze_function): Do early_local_passes.
6566 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6567 Do not add referenced vars.
6568 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
6569 SSA form.
6570 (gate_all_early_local_passes): New gate.
6571 (pass_early_local_passes): Use new gate.
6572 (execute_early_local_optimizations): New functions.
6573 (gate_all_early_optimizations): New gate.
6574 (pass_all_early_optimizations): New pass.
6575 (execute_free_datastructures): Free SSA only when initialized.
6576 (gate_init_datastructures): Init only when optimizing.
6577 (tree_lowering_passes): Do early local passes when called late.
6578 * tree-profile.c (do_tree_profiling): Don't profile functions added
6579 late.
6580 (do_early_tree_profiling, pass_early_tree_profile): Kill.
6581 * tree-cfg.c (update_modified_stmts): Do not update when operands are
6582 not active.
6583 * passes.c (init_optimizations_passes): Reorder so we go into SSA
6584 during early_local_passes.
6585 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
6588 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
6590 * Makefile.in: Update copyright year.
6592 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
6594 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
6595 in $(lang_checks) and check-consistency targets.
6597 2007-01-02 Jan Hubicka <jh@suse.cz>
6599 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
6600 Do not add referenced vars.
6601 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
6602 are not active.
6603 * passes.c (init_optimization_passes): Put mudflap_2 after
6604 free_datastructures.
6606 2007-01-02 Jan Hubicka <jh@suse.cz>
6608 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
6609 Set NOTHROW flag on call statements proved to be nothrow.
6610 Update statement of local calls so new pure/const functions are
6611 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
6612 goto receivers.
6613 (tree_rest_of_compilation): Register hooks and initialize bitmap
6614 early. Do not set after_inlining flag.
6616 2007-01-02 Steve Ellcey <sje@cup.hp.com>
6618 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
6619 HOST_BITS_PER_LONGLONG
6621 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6623 PR c/19977
6624 * c-typeck.c (store_init_value): Don't emit pedantic overflow
6625 warning for non-static initializers.
6627 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
6629 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
6630 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
6631 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
6632 Always use set_unique_reg_note to add REG_EQUAL notes.
6634 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
6636 Revert:
6637 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
6639 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6640 * cfgbuild.c (find_basic_blocks): Likewise.
6641 * cfgrtl.c (rtl_create_basic_block): Likewise.
6642 * function.c (temp_slots_at_level): Likewise.
6643 * reg-stack.c (stack_regs_mentioned): Likewise.
6644 * regclass.c (allocate_reg_info): Likewise.
6645 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6646 set_bb_for_stmt, move_block_to_fn): Likewise.
6647 * tree-complex.c (tree_lower_complex): Likewise.
6648 * vec.h (VEC_safe_grow_cleared): New.
6650 2007-01-02 Ian Lance Taylor <iant@google.com>
6652 * c-common.c (c_common_truthvalue_conversion): When warning about
6653 using an assignment as a truth value, set TREE_NO_WARNING.
6655 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6657 PR middle-end/7651
6658 * c.opt (Wold-style-declaration): New.
6659 * doc/invoke.texi (C-only Warning Options): New.
6660 (Wold-style-declaration): Document it.
6661 (Wextra): Enabled by -Wextra.
6662 * c-opts.c (c_common_post_options): Enabled by -Wextra.
6663 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
6664 -Wold-style-declaration.
6666 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
6668 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
6669 * cfgbuild.c (find_basic_blocks): Likewise.
6670 * cfgrtl.c (rtl_create_basic_block): Likewise.
6671 * function.c (temp_slots_at_level): Likewise.
6672 * reg-stack.c (stack_regs_mentioned): Likewise.
6673 * regclass.c (allocate_reg_info): Likewise.
6674 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
6675 set_bb_for_stmt, move_block_to_fn): Likewise.
6676 * tree-complex.c (tree_lower_complex): Likewise.
6677 * vec.h (VEC_safe_grow_cleared): New.
6679 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
6681 * c-common.c (c_common_nodes_and_builtins): Since variants of
6682 void_type_node get built before it is given a name, we need to
6683 give those variants the name, too.
6684 (complete_array_type): We need to work with the canonical main
6685 type of the array, from which we will build the qualified version.
6686 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
6687 * print-tree.c (print_node): Display canonical type information
6688 for each type.
6689 * stor-layout.c (layout_type): When we don't know the
6690 alignment of a type for which we're building an array, we end up
6691 guessing wrong, so make the type require structural equality.
6692 * tree.c (make_node_stat): When we build a new type, it is its
6693 own canonical type.
6694 (build_type_attribute_qual_variant): When building an attribute
6695 variant, its canonical type is the non-attribute variant. However,
6696 if the attributes are target-dependent and they differ, we need to
6697 use structural equality checks for this type.
6698 (build_qualified_type): A qualified type is not equivalent to its
6699 unqualified variant; set the canonical type appropriately.
6700 (build_distinct_type_copy): When building a distinct type from
6701 another type, the new type is its own canonical type.
6702 (build_variant_type_copy): When building a new type variant, we
6703 assume that it is equivalent to the original type.
6704 (build_pointer_type_for_mode): When building a pointer type, also
6705 build a canonical type pointer.
6706 (build_reference_type_for_mode): When building a reference type,
6707 also build a canonical type reference.
6708 (build_index_type): When we can't hash an index type (e.g.,
6709 because its maximum value is negative), the index type requires
6710 structural equality tests.
6711 (build_array_type): Build the canonical form of an array type.
6712 (build_function_type): Function types require structural equality,
6713 because they contain default arguments, attributes, etc.
6714 (build_method_type_directly): Ditto for method types.
6715 (build_offset_type): Build the canonical offset type.
6716 (build_complex_type): Build the canonical vector type.
6717 (make_vector_type): Build the canonical vector type.
6718 * tree.h (TYPE_CANONICAL): New.
6719 (TYPE_STRUCTURAL_EQUALITY_P): New.
6720 (SET_TYPE_STRUCTURAL_EQUALITY): New.
6721 (struct tree_type): Added "canonical" field.
6722 * params.h (VERIFY_CANONICAL_TYPES): New.
6723 * doc/c-tree.texi (TYPE_CANONICAL): Document.
6724 (TYPE_STRUCTURAL_EQUALITY_P): Document.
6725 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
6726 * doc/invoke.texi (verify-canonical-types): Document --param
6727 parameter for verifying canonical types.
6729 2007-01-02 Joseph Myers <joseph@codesourcery.com>
6731 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
6732 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
6733 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
6734 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
6735 tm_file.
6736 * config/rs6000/e500.h: New.
6737 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
6738 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
6739 Remove.
6740 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
6741 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
6742 TARGET_E500_DOUBLE): Remove.
6743 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
6744 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
6745 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
6746 * config/rs6000/rs6000.c (rs6000_override_options): Use
6747 CHECK_E500_OPTIONS.
6749 2007-01-02 Joseph Myers <joseph@codesourcery.com>
6751 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
6752 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
6753 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
6754 rs6000_emit_cmove): Don't check TARGET_E500.
6755 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
6756 sordered): Don't check TARGET_E500.
6758 2007-01-01 Eric Christopher <echristo@apple.com>
6760 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
6761 HARD_REGISTER_NUM_P.
6763 2007-01-01 Roger Sayle <roger@eyesopen.com>
6765 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
6766 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
6767 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
6768 eq/ne Y".
6770 2007-01-01 Mike Stump <mrs@apple.com>
6772 * configure.ac: Remove support for building with Apple's gcc-3.1.
6774 2007-01-02 Joseph Myers <joseph@codesourcery.com>
6776 PR middle-end/30311
6777 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
6778 REG is a hard register. Do not modify REG before calling
6779 subreg_nregs.
6780 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
6781 multiple of the size of YMODE for certain lowpart cases.
6783 2007-01-01 Andrew Pinski <pinskia@gmail.com>
6785 PR middle-end/30253
6786 * gimplify (voidify_wrapper_expr): Update for
6787 GIMPLE_MODIFY_STMT.
6789 2007-01-01 Andreas Schwab <schwab@suse.de>
6791 PR target/29166
6792 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
6793 save of BR0 in extra_spill_size instead of spill_size.
6794 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
6795 area.
6796 (ia64_expand_epilogue): Restore BR0 from its new location.
6798 2007-01-01 Andrew Pinski <pinskia@gmail.com>
6800 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
6801 Use a temporary variable if the left hand side is not a gimple
6802 register.
6804 2007-01-01 Andrew Pinski <pinskia@gmail.com>
6806 * gimplify.c (gimplify_return_expr): Make the temporary variable
6807 for the return expression, a gimple register variable.
6809 2007-01-01 Jan Hubicka <jh@suse.cz>
6811 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
6812 INSN_LIST.
6814 2007-01-01 Mike Stump <mrs@apple.com>
6816 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
6817 .literal16.
6818 * config/darwin.c (machopic_select_rtx_section): Use
6819 HAVE_GAS_LITERAL16.
6820 (darwin_mergeable_constant_section): Likewise.
6821 * configure: Regenerate.
6822 * config.in: Regenerate.
6824 2007-01-01 Jan Hubicka <jh@suse.cz>
6825 Andrew Pinski <pinskia@gmail.com>
6827 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
6828 before starting IPA passes.