1 2007-07-23 Sebastian Pop <sebpop@gmail.com>
3 * tree-data-ref.c (find_vertex_for_stmt, create_rdg_edge_for_ddr,
4 create_rdg_edges_for_scalar, create_rdg_edges, create_rdg_vertices,
5 stmts_from_loop, known_dependences_p, build_rdg): New.
6 * tree-data-ref.h: Depends on graphds.h.
7 (rdg_vertex, RDGV_STMT, rdg_dep_type, rdg_edge, RDGE_TYPE): New.
9 * Makefile.in (TREE_DATA_REF_H): Depends on graphds.h.
11 2007-07-23 Daniel Berlin <dberlin@dberlin.org>
13 * tree-ssa-propagate.c (valid_gimple_expression_p): Match up with
16 2007-07-23 Peter Bergner <bergner@vnet.ibm.com>
17 Jakub Jelinek <jakub@redhat.com>
20 * optabs.c (expand_binop): (emit_cmp_and_jump_insns): Allow EQ compares.
21 * rtlanal.c (commutative_operand_precedence): Prefer both REG_POINTER
22 and MEM_POINTER operands over REG and MEM operands.
23 (swap_commutative_operands_p): Change return value to bool.
24 * rtl.h: Update the corresponding prototype.
25 * tree-ssa-address.c (gen_addr_rtx): Use simplify_gen_binary
26 instead of gen_rtx_PLUS.
27 * simplify-rtx.c (simplify_plus_minus_op_data_cmp): Change return
28 value to bool. Change function arguments to rtx's and update code
30 (simplify_plus_minus): Update the simplify_plus_minus_op_data_cmp
31 calls to match the new declaration.
32 * simplify-rtx.c (simplify_associative_operation): Don't
33 reorder simplify_binary_operation arguments.
35 2007-07-23 Richard Sandiford <richard@codesourcery.com>
37 * config/mips/mips.c (override_options): Use mips_costs to derive
38 the default branch cost.
39 * config/mips/mips.h (BRANCH_COST): Use mips_branch_cost rather
41 * config/mips/mips.opt (mbranch-cost=): New option.
42 * doc/invoke.texi (-mbrach-cost): Document new MIPS option.
44 2007-07-23 Richard Sandiford <richard@codesourcery.com>
46 * config/mips/mips.h (GR_REG_CLASS_P, COP_REG_CLASS_P): Delete.
47 (SECONDARY_MEMORY_NEEDED): Delete commented-out definition.
48 * config/mips/mips.c (mips_register_move_cost): Use reg_class_subset_p
49 instead of GR_REG_CLASS_P and COP_REG_CLASS_P.
51 2007-07-23 Richard Sandiford <richard@codesourcery.com>
53 * config/mips/constraints.md (ks): New constraint.
54 * config/mips/mips.md (*add<mode>3_sp1, *add<mode>3_sp2): Fold into...
55 (*add<mode>3_mips16): ...here.
57 2007-07-21 Uros Bizjak <ubizjak@gmail.com>
59 * optabs.h (enum optab_index): Add new OTI_signbit.
60 (signbit_optab): Define corresponding macro.
61 (enum insn_code signbit_optab[]): Remove array.
62 * optabs.c (init_optabs): Initialize signbit_optab using init_optab.
63 (expand_copysign_absneg): If back end provides signbit insn, use it
64 instead of bit operations on floating point argument.
65 * builtins.c (enum insn_code signbit_optab[]): Remove array.
66 (expand_builtin_signbit): Check signbit_optab->handlers[].insn_code for
67 availability of signbit insn.
69 * config/i386/i386.md (signbit<mode>2): New insn pattern to implement
70 signbitf, signbit and signbitl built-ins as inline x87 intrinsics when
71 SSE mode is not active.
72 (isinf<mode>2): Disable for mfpmath=sse,387.
74 2007-07-22 Ben Elliston <bje@au.ibm.com>
76 * regclass.c (invalid_mode_change_p): Attach ATTRIBUTE_UNUSED to
78 * struct-equiv.c (note_local_live): Likewise for `y_regno'.
80 2007-07-20 Richard Guenther <rguenther@suse.de>
82 * tree-cfg.c (verify_expr): COND_EXPRs can have any
83 integral typed condition.
84 * tree-ssa.c (useless_type_conversion_p): Do not preserve
85 booleanness. Only preserve conversions from a non-base
86 type to a base type, not in general between types with
87 different TYPE_MIN_VALUE or TYPE_MAX_VALUE.
88 * tree.def (COND_EXPR): Document that the condition
89 can be of any integral type.
91 2007-07-20 Nigel Stephens <nigel@mips.com>
92 Richard Sandiford <richard@codesourcery.com>
94 * config/mips/mips.h (mips_dwarf_regno): Declare.
95 (DBX_REGISTER_NUMBER): Remove redundant brackets.
96 (HI_REGNUM, LO_REGNUM): Define in an endian-dependent way.
97 (AC1HI_REGNUM, AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM)
98 (AC3HI_REGNUM, AC3LO_REGNUM, ACC_HI_REG_P): Delete.
99 (reg_class): Rename HI_REG to MD0_REG and LO_REG to MD1_REG.
100 (REG_CLASS_NAMES): Update accordingly.
101 * config/mips/mips.c (mips_dwarf_regno): New array.
102 (mips_regno_to_class): Rename HI_REG to MD0_REG and LO_REG to MD1_REG.
103 (mips_subword): Remove special handling for accumulator registers.
104 (override_options): Initiailize mips_dwarf_regno. Remove use
106 (mips_swap_registers): New function.
107 (mips_conditional_register_usage): Swap accumulator registers
108 around if TARGET_LITTLE_ENDIAN.
109 (mips_cannot_change_mode_class): Remove special treatment of ACC_REGS.
110 * config/mips/constraints.md (h, l): Use the endianness to choose
111 between MD0_REG and MD1_REG.
112 * config/mips/mips.md (*mfhilo_<mode>_macc): Use a fixed-string,
113 alternative-dependent template.
115 2007-07-20 Richard Sandiford <richard@codesourcery.com>
117 * config/arm/arm.md (movsi): Use can_create_pseudo_p instead of
120 2007-07-20 Zdenek Dvorak <dvorakz@suse.cz>
122 * function.c (thread_prologue_and_epilogue_insns): Fix exit
123 predecessor fallthru flags.
125 2007-07-20 Zdenek Dvorak <dvorakz@suse.cz>
127 * tree-ssa-loop-niter.c (assert_loop_rolls_lt): Convert the operands
128 of compare to the same type.
129 * cfgloopmanip.c (add_loop): Update information about loop exits.
130 (loop_version): Remove the innermost loop requirement.
131 * tree-ssa-loop-manip.c (determine_exit_conditions): Convert bounds
132 to sizetype for pointers.
134 2007-07-18 H.J. Lu <hongjiu.lu@intel.com>
136 * Makefile.in (D32PBIT_FUNCS): Add _sd_to_tf and _tf_to_sd.
137 (D64PBIT_FUNCS): Add _dd_to_tf and _tf_to_dd.
138 (D128PBIT_FUNCS): Add _td_to_tf and _tf_to_td.
140 * config/dfp-bit.c: Empty for TFmode conversions.
142 2007-07-18 Caroline Tice <ctice@apple.com>
144 * var-tracking.c (find_src_status): Check for COND_EXEC insns
145 and handle them correctly; check that src is not NULL before
147 (find_src_set_src): Likewise.
149 2007-07-18 Bob Wilson <bob.wilson@acm.org>
151 * config/xtensa/xtensa.c (xtensa_expand_mask_and_shift): New.
152 (struct alignment_context, init_alignment_context): New.
153 (xtensa_expand_compare_and_swap, xtensa_expand_atomic): New.
154 * config/xtensa/xtensa.h (XCHAL_HAVE_RELEASE_SYNC): Add default.
155 (XCHAL_HAVE_S32C1I): Likewise.
156 (TARGET_RELEASE_SYNC, TARGET_S32C1I): New.
157 * config/xtensa/xtensa.md (UNSPECV_MEMW): New constant.
158 (UNSPECV_S32RI, UNSPECV_S32C1I): Likewise.
159 (ATOMIC, HQI): New macros.
160 (memory_barrier, *memory_barrier): New.
161 (sync_lock_releasesi): New.
162 (sync_compare_and_swapsi, sync_compare_and_swap<mode>): New.
163 (sync_lock_test_and_set<mode>): New.
164 (sync_<atomic><mode>): New.
165 (sync_old_<atomic><mode>, sync_new_<atomic><mode>): New.
166 * config/xtensa/xtensa-protos.h (xtensa_expand_compare_and_swap): New.
167 (xtensa_expand_atomic): New.
169 2007-07-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
173 * builtins.c (expand_builtin_interclass_mathfn): Provide a generic
174 transformation for builtin ISNORMAL.
175 (expand_builtin): Handle BUILT_IN_ISNORMAL.
176 * builtins.def (BUILT_IN_ISNORMAL): New.
177 * doc/extend.texi: Document isnormal.
179 2007-07-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
183 * builtins.c (expand_builtin_interclass_mathfn): Allow for missing
184 optabs infrastructure. Provide generic implementation for
186 (expand_builtin): Handle FINITE/ISFINITE.
187 (fold_builtin_classify): Make ISFINITE canonical instead of FINITE.
188 (fold_builtin_1): Likewise.
190 * builtins.def (BUILT_IN_ISFINITE): New.
192 * doc/extend.texi: Document isfinite.
194 2007-07-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
199 * builtins.c (expand_builtin_interclass_mathfn): Provide a
200 generic fallback for isinf.
201 * c-cppbuiltin.c (builtin_define_float_constants): Move FP max
203 * real.c (get_max_float): ... to here.
204 * real.h (get_max_float): New.
206 2007-07-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
210 * builtin-attrs.def (ATTR_TYPEGENERIC,
211 ATTR_CONST_NOTHROW_TYPEGENERIC): New.
213 * builtins.def (BUILT_IN_ISINF, BUILT_IN_ISNAN,
214 BUILT_IN_ISGREATER, BUILT_IN_ISGREATEREQUAL, BUILT_IN_ISLESS,
215 BUILT_IN_ISLESSEQUAL, BUILT_IN_ISLESSGREATER,
216 BUILT_IN_ISUNORDERED): Use ATTR_CONST_NOTHROW_TYPEGENERIC.
218 * c-common.c (handle_type_generic_attribute): New.
219 (c_common_attribute_table): Add "type generic".
221 * c-typeck.c (convert_arguments): Handle "type generic" functions.
223 2007-07-18 Daniel Berlin <dberlin@dberlin.org>
225 * tree-ssa-sccvn.c (try_to_simplify): Use valid_gimple_expression
226 * tree-ssa-propagate (valid_gimple_expression): Handle ADDR_EXPR
229 2007-07-18 Rask Ingemann Lambertsen <rask@sygehus.dk>
232 * config/cris/cris.c (cris_print_index): Don't use XEXP before
233 checking that the operand is an expression.
235 2007-07-19 Christoph von Wittich <Christoph_vW@reactos.org>
236 Danny Smith <dannysmith@users.sourceforge.net>
239 * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Put
240 file mapping object in local namespace if Windows version later
243 2007-07-18 Richard Sandiford <richard@codesourcery.com>
245 * config/arm/arm-protos.h (arm_cannot_force_const_mem): Declare.
246 * config/arm/arm.c (TARGET_CANNOT_FORCE_CONST_MEM): Redefine to
247 arm_cannot_force_const_mem.
248 (arm_cannot_force_const_mem): New function.
249 * config/arm/arm.h (ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): New macro.
250 (LEGITIMATE_CONSTANT_P): Test arm_cannot_force_const_mem instead
251 of arm_tls_referenced_p.
252 * config/arm/arm.md (movsi): Split out-of-section constants when
253 ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P.
254 * config/arm/vxworks.h (ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
256 2007-07-18 Richard Sandiford <richard@codesourcery.com>
258 * config/mips/mips.md (clear_cache): Treat the size argument as Pmode.
260 2007-07-18 Richard Sandiford <richard@codesourcery.com>
262 * config/mips/mips.md (*extendqihi2): Convert the destination
265 2007-07-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
267 * config/pa/fptr.c: Update license header.
268 * config/pa/milli64.S: Likewise.
270 2007-07-17 Nick Clifton <nickc@redhat.com>
272 * COPYING_v3: New file. Contains version 3 of the GNU General
274 * COPYING.LIB_v3: New file. Contains version 3 of the GNU
275 Lesser General Public License.
276 * doc/include/gpl_v3.texi: New file. Contains version 3 of
277 the GNU General Public License.
279 2007-07-17 Zdenek Dvorak <dvorakz@suse.cz>
281 PR rtl-optimization/32773
282 * cfglayout.c (force_one_exit_fallthru): New function.
283 (cfg_layout_finalize): Use it.
285 2007-07-16 Richard Guenther <rguenther@suse.de>
286 Uros Bizjak <ubizjak@gmail.com>
288 * tree-if-conv.c (find_phi_replacement_condition): Unshare "*cond"
289 before forcing it to gimple operand.
291 2007-07-16 Sandra Loosemore <sandra@codesourcery.com>
292 David Ung <davidu@mips.com>
294 * config/mips/mips.h (TUNE_24K): Define.
295 (TUNE_MACC_CHAINS): Add TUNE_24K.
296 * config/mips/mips.md: (*mul_acc_si, *mul_sub_si): Change type to
298 * config/mips/74k.md (r74k_int_mult): Split madd/msub to ..
299 (r74k_int_madd): .. this new reservation.
300 (define_bypass): Fixed bypasses for r74k_int_madd to use
302 * config/mips/24k.md (define_bypass): Define new
303 r24k_int_mul3->r24k_int_madd bypass using mips_linked_madd_p.
305 2007-07-16 Sandra Loosemore <sandra@codesourcery.com>
306 Nigel Stephens <nigel@mips.com>
308 * config/mips/mips.md: Include 20kc.md.
309 * config/mips/20kc.md: New file.
310 * config/mips/mips.c (mips_rtx_cost_data): Fill in 20Kc costs.
311 (mips_adjust_cost): Tweak for 20Kc.
312 (mips_issue_rate): Likewise.
313 * config/mips/mips.h (TUNE_20KC): Define.
315 2007-07-16 David Edelsohn <edelsohn@gnu.og>
317 * config/rs6000/rs6000.c (struct processor_cost): Add
318 cache_line_size, l1_cache_lines, and simultaneous_prefetches
320 (*_cost): Add cache information.
321 (rs6000_override_options): Set cache parameters.
323 2007-07-16 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
326 * config.gcc (mips-sgi-irix[56]*): Enable pthread support.
327 * doc/install.texi (mips-sgi-irix6): pthread support works now.
329 2007-07-16 Paul Brook <paul@codesourcery.com>
332 * config/arm/cirrus.md (cirrus_arm_movsi_insn): Remove dead insn.
333 (cirrus_thumb2_movsi_insn): Ditto.
335 2007-07-15 Geoffrey Keating <geoffk@apple.com>
337 * config/rs6000/darwin-fallback.c (interpret_libc): Change
340 2007-07-15 Andrew Haley <aph@redhat.com>
342 * unwind-sjlj.c (_Unwind_GetIPInfo): Check for context->fc != NULL
343 before looking in the context.
345 2007-07-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
349 * pa-protos.h (pa_eh_return_handler_rtx): Declare.
350 * pa.c (pa_extra_live_on_entry, rp_saved): Declare.
351 (TARGET_EXTRA_LIVE_ON_ENTRY): Define.
352 (pa_output_function_prologue): Use rp_saved and current_function_is_leaf
353 to generate .CALLINFO statement.
354 (hppa_expand_prologue): Set rp_saved.
355 (hppa_expand_epilogue): Use rp_saved.
356 (pa_extra_live_on_entry, pa_eh_return_handler_rtx): New functions.
357 * pa.h (EH_RETURN_HANDLER_RTX): Use pa_eh_return_handler_rtx.
359 2007-07-14 Dirk Mueller <dmueller@suse.de>
361 * omega.c (coalesce): Fix memory leak on early exit.
362 * matrix-reorg.c (check_allocation_function): Likewise.
363 * tree-vect-transform.c (vect_get_new_vect_var): free result
365 * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
366 pass pointer to edge vector
367 (partition_hot_cold_basic_blocks): Fix memory leak.
368 * collect2.c (prefix_from_string): Free temporary storage.
369 * reload1.c (fixup_abnormal_edges): Free sbitmap.
371 2007-07-14 Kaz Kojima <kkojima@gcc.gnu.org>
373 * config/sh/sh.h (DO_GLOBAL_CTORS_BODY): Add void to prototype.
374 (DO_GLOBAL_DTORS_BODY): Likewise.
376 2007-07-14 Sandra Loosemore <sandra@codesourcery.com>
377 Nigel Stephens <nigel@mips.com>
379 * config/mips/mips.c (mips_classify_symbol): Don't return
380 SYMBOL_SMALL_DATA for constant pool addresses if
381 TARGET_EMBEDDED_DATA is true.
383 2007-07-14 Uros Bizjak <ubizjak@gmail.com>
385 * config/i386/i386.c (init_mmx_sse_builtins): Define all builtins
386 except __builtin_ia32_emms, __builtin_ia32_ldmxcsr,
387 __builtin_ia32_stmxcsr, __builtin_ia32_maskmovq, __builtin_ia32_loadups,
388 __builtin_ia32_storeups, __builtin_ia32_loadhps, __builtin_ia32_loadlps,
389 __builtin_ia32_storehps, __builtin_ia32_storelps,
390 __builtin_ia32_movntps, __builtin_ia32_movntq, __builtin_ia32_sfence,
391 __builtin_ia32_femms, __builtin_ia32_maskmovdqu, __builtin_ia32_loadupd,
392 __builtin_ia32_storeupd, __builtin_ia32_loadhpd, __builtin_ia32_loadlpd,
393 __builtin_ia32_movnti, __builtin_ia32_movntpd, __builtin_ia32_movntdq,
394 __builtin_ia32_clflush, __builtin_ia32_lfence, __builtin_ia32_mfence,
395 __builtin_ia32_loaddqu, __builtin_ia32_storedqu, __builtin_ia32_monitor,
396 __builtin_ia32_mwait, __builtin_ia32_lddqu, __builtin_ia32_movntdqa,
397 __builtin_ia32_movntsd and __builtin_ia32_movntss as const builtins
398 using def_builtin_const.
400 2007-07-14 Eric Botcazou <ebotcazou@adacore.com>
402 PR tree-optimization/32705
403 * tree-ssa-sccvn.c (set_ssa_val_to): Accept VN_TOP as value number.
404 (simplify_binary_expression): Use SSA_VAL consistently.
406 2007-07-13 David Edelsohn <edelsohn@gnu.org>
408 * config/rs6000/spe.md (SPE_ACC_REGNO): Delete definition.
409 (SPEFSCR_REGNO): Delete definition.
410 * config/rs6000/rs6000.c: LINK_REGISTER_REGNUM -> LR_REGNO.
411 COUNT_REGISTER_REGNUM -> CTR_REGNO.
412 * config/rs6000/rs6000.h: Do not define *_REGNO.
413 LINK_REGISTER_REGNUM -> LR_REGNO.
414 COUNT_REGISTER_REGNUM -> CTR_REGNO.
415 * config/rs6000/predicates.md: LINK_REGISTER_REGNUM -> LR_REGNO.
416 COUNT_REGISTER_REGNUM -> CTR_REGNO.
417 * config/rs6000/linux-unwind.h: Define R_LR, R_CR2, R_VR0,
418 R_VRSAVE, R_VSCR. Use them.
419 * config/rs6000/darwin-fallback.c: Define R_LR, R_CTR, R_CR2,
420 R_XER, R_VR0, R_VRSAVE, R_VSCR, R_SPEFSCR. Use them.
421 * config/rs6000/rs6000.md: Define REGNO constants. Use them.
422 * config/rs6000/aix.h: Define R_LR. Use it.
424 2007-07-13 Caroline Tice <ctice@apple.com>
426 * toplev.c (process_options): Turn flag_var_tracking_uninit off when
427 flag_var_tracking is explicitly turned off (i.e. when variable
428 tracking is not feasible); otherwise, turn flag_var_tracking on when
429 flag_var_tracking_uninit is on.
430 * rtl.def (VAR_LOCATION): Add a new integer subfield to VAR_LOCATION
431 note definitions, to allow recording of initialization status in the
433 * dwarf2out.c (dwarf_stack_op_name): Add case for DW_OP_GNU_uninit.
434 (add_var_loc_to_decl): Add comparison of NOTE_VAR_LOCATION_STATUS to
435 determine if two note locations are equal.
436 (output_loc_list): Don't output list entries whose start & end labels
438 (reg_loc_descriptor): Add parameter for initialization status; pass it
439 to other loc descriptor functions.
440 (one_reg_loc_descriptor): Add parameter for initialization status;
441 check its value and add DW_OP_GNU_uninit to returned loc descr if
443 (multiple_reg_loc_descriptor): Add parameter for initialization
445 pass init status argument to other loc descriptor functions; check
446 value of intialization parameter and add DW_OP_GNU_uninit to returned
447 loc descr if appropriate.
448 (based_loc_descr): Add parameter for initialization status; add new
449 variable for return value; check value of initialization parameter and
450 add DW_OP_GNU_uninit to returned loc descr if appropriate.
451 (concatn_mem_loc_descriptor): Add parameter for initialization status;
452 pass init status argument to other loc descriptor functions; check
453 value of intialization parameter and add DW_OP_GNU_uninit to returned
454 loc descr if appropriate.
455 (mem_loc_descriptor): Likewise.
456 (concat_loc_descriptor): Likewise.
457 (concatn_loc_descriptor): Likewise.
458 (loc_descriptor): Add parameter for initialization status; pass it as
459 argument to other loc descriptor function calls.
460 (loc_descriptor_from_tree_1): Add appropriate initialization status
461 to loc descriptor function calls.
462 (add_location_or_const_value_attribute): Get initialization status
463 from VAR_LOCATION note; add initialization status to loc descriptor
465 * dwarf2.h (enum dwarf_location_atom): New op, DW_OP_GNU_uninit.
466 * print-rtl.c (print_rtx): When printing a VAR_LOCATION note, if
467 status is uninitialized, add "[uninint]" to output.
468 * common.opt (fvar-tracking-uninit): New option, similar to
469 fvar-tracking, to turn on tracking of uninitialized variables; creates
470 a new global flag, flag_var_tracking_uninit.
471 * rtl.h (NOTE_VAR_LOCATION_STATUS): New macro for accessing new field.
472 (enum var_init_status): New type, for var initialization status field.
473 * var-tracking.c (struct location_chain_def): Two new fields, init,
474 for initialization status, and set_src for the assignment value expr.
475 (unshare_variable): New parameter for initialization status;
476 initialize new init and set_src fields.
477 (var_reg_set): New parameters for initialization status and value;
478 pass them to set_variable_part.
479 (var_mem_set): Likewise.
480 (get_init_value): New function.
481 (var_reg_delete_and_set): New initialization status & value
482 parameters; add call to get_init_value if status is unknown; pass new
483 parameters to clobber_variable_part and var_reg_set.
484 (var_mem_delete_and_set): Likewise.
485 (var_reg_delete): Pass null set_src value to clobber_variable_part.
486 (var_mem_delete): Likewise.
487 (variable_union): Pass status to unshare_variable; initialize new init
488 and set_src fields. If flag_var_tracking_uninit is not set, force
489 status to initialized.
490 (add_stores): Store insn, rather than NEXT_INSN(insn), so it can be
491 used later to get the set_src value.
492 (find_src_status): New function.
493 (find_src_set_src): New function.
494 (compute_bb_dataflow): Pass init status to calls to var_reg_set,
495 var_mem_set, var_reg_delete_and_set and var_mem_delete_and_set; for
496 MO_SET, get set_src value and pass it to var_reg_delete_and_set
497 and var_mem_delete_and_set.
498 (dump_variable): Print out "[uninit]" if appropriate.
499 (set_variable_part): Add new initialization and set_src parameters;
500 pass status to unshare_variable; set node->init and node- >set_src
501 fields and modify slot in hash table appropriately; save the init and
502 set_src values if appropriate and assign to the new node.
503 (clobber_variable_part): New set_src parameter; if two nodes have
504 same variable and same location but different set_src (assignment)
505 values, clobber old node.
506 (delete_variable_part): Pass init status to unshare_variable.
507 (emit_note_insn_var_location): Add initialized var; assign var's init
508 status to new 'initialized'; pass new init status field to calls to
509 gen_rtx_VAR_LOCATION. If flag_var_tracking_uninit is not set, force
510 status to initialized.
511 (emit_notes_in_bb): Pass initialization status to calls to
512 var_reg_set, var_mem_set, var_reg_delete_and_set and
513 var_mem_delete_and_set; for MO_SET, get set_src value and pass it to
514 var_reg_delete_and_set and var_mem_delete_and_set; call
515 emit_notes_for_changes on NEXT_INSN(insn) rather than on insn, to
516 make up for change in add_stores.
517 (vt_add_function_parameters): Add status to calls to
519 * config/darwin.c (darwin_override_options): Turn on uninitialized
520 tracking automatically, if var_tracking is on and the system is
523 2007-07-13 Sa Liu <saliu@de.ibm.com>
525 * config.gcc: Add options for arch and tune on SPU.
526 * config/spu/predicates.md: Add constant operands 0 and 1.
527 * config/spu/spu-builtins.def: Add builtins for double precision
528 floating point comparison: si_dfceq, si_dfcmeq, si_dfcgt, si_dfcmgt,
529 si_dftsv, spu_cmpeq_13, spu_cmpabseq_1, spu_cmpgt_13, spu_cmpabsgt_1,
531 * config/spu/spu-c.c: Define __SPU_EDP__ when builtins invoked with
533 * config/spu/spu-protos.h: Add new function prototypes.
534 * config/spu/spu.c (spu_override_options): Check options -march and
536 (spu_comp_icode): Add comparison code for DFmode and vector mode.
537 (spu_emit_branch_or_set): Use the new code for DFmode and vector
539 (spu_const_from_int): New. Create a vector constant from 4 ints.
540 (get_vec_cmp_insn): New. Get insn index of vector compare instruction.
541 (spu_emit_vector_compare): New. Emit vector compare.
542 (spu_emit_vector_cond_expr): New. Emit vector conditional expression.
543 * config/spu/spu.h: Add options -march and -mtune. Define processor
544 types PROCESSOR_CELL and PROCESSOR_CELLEDP. Define macro
545 CANONICALIZE_COMPARISON.
546 * config/spu/spu.md: Add new insns for double precision compare
547 and double precision vector compare. Add vcond and smax/smin patterns
548 to enable DFmode vector conditional expression.
549 * config/spu/spu.opt: Add options -march and -mtune.
550 * config/spu/spu_internals.h: Add builtins for CELLEDP target:
551 si_dfceq, si_dfcmeq, si_dfcgt, si_dfcmgt, si_dftsv. Add builtin for
552 both CELL and CELLEDP targets: spu_testsv.
553 * config/spu/spu_intrinsics.h: Add flag mnemonics for test special
556 2007-07-13 Richard Guenther <rguenther@suse.de>
558 PR tree-optimization/32721
559 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Preserve
560 TREE_THIS_VOLATILE on the folded reference.
561 * tree-ssa-operands.c (get_expr_operands): Set has_volatile_ops
562 if the array reference has TREE_THIS_VOLATILE set.
564 2007-07-13 H.J. Lu <hongjiu.lu@intel.com>
567 * doc/libgcc.texi: Update DFP intrinsics for DPD and BID.
569 2007-07-13 Andreas Schwab <schwab@suse.de>
571 * gengtype-lex.l: Allow declarations to be indented.
573 2007-07-12 Geoffrey Keating <geoffk@apple.com>
575 * ginclude/tgmath.h: New.
576 * config.gcc: Use GCC's tgmath.h on non-glibc systems.
577 * doc/sourcebuild.texi (Headers): Document use_gcc_tgmath.
578 * configure.ac (STMP_FIXPROTO): Honor use_gcc_tgmath.
579 * configure: Regenerate.
581 2007-07-13 Kaz Kojima <kkojima@gcc.gnu.org>
583 * config/sh/linux-unwind.h (sh_fallback_frame_state): Use
584 correct index when setting register save state for xd
587 2007-07-13 Kaz Kojima <kkojima@gcc.gnu.org>
589 * config/sh/sh.c (mark_use): Remove.
591 2007-07-12 Paul Brook <paul@codesourcery.com>
593 * config/arm/arm.c (thumb1_compute_save_reg_mask): Make sure scratch
594 reg does not overlap return value.
596 2007-07-12 Daniel Berlin <dberlin@dberlin.org>
598 * tree-ssa-pre.c (get_expression_vuses): Move out side-effect.
599 (set_expression_vuses): Ditto.
600 (init_pre): Initialize expression_vuses.
602 2007-07-12 Zdenek Dvorak <dvorakz@suse.cz>
604 * config/i386/sse.md (storentdf, storentsf): New.
606 2007-07-12 Geoffrey Keating <geoffk@apple.com>
608 * builtins.c (get_pointer_alignment): Honor DECL_ALIGN on a
610 * tree.c (build_decl_stat): Move code from here...
611 (make_node_stat): ... to here. Don't uselessly clear DECL_USER_ALIGN.
612 (expr_align): Honor DECL_ALIGN on a FUNCTION_DECL. Add comment
613 about using DECL_ALIGN of LABEL_DECL and CONST_DECL.
614 * tree.h (DECL_USER_ALIGN): Fix misplaced comment.
615 * varasm.c (assemble_start_function): Use DECL_ALIGN instead of
618 2007-07-12 Dorit Nuzman <dorit@il.ibm.com>
619 Devang Patel <dpatel@apple.com>
621 PR tree-optimization/25413
622 * targhooks.c (default_builtin_vector_alignment_reachable): New.
623 * targhooks.h (default_builtin_vector_alignment_reachable): New.
624 * tree.h (contains_packed_reference): New.
625 * expr.c (contains_packed_reference): New.
626 * tree-vect-analyze.c (vector_alignment_reachable_p): New.
627 (vect_enhance_data_refs_alignment): Call
628 vector_alignment_reachable_p.
629 * target.h (vector_alignment_reachable): New builtin.
630 * target-def.h (TARGET_VECTOR_ALIGNMENT_REACHABLE): New.
631 * config/rs6000/rs6000.c (rs6000_vector_alignment_reachable): New.
632 (TARGET_VECTOR_ALIGNMENT_REACHABLE): Define.
634 2007-07-12 Dorit Nuzman <dorit@il.ibm.com>
636 * target.h (builtin_vectorization_cost): Add new target builtin.
637 * target-def.h (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): New.
638 * tree-vectorizer.h (TARG_SCALAR_STMT_COST): New.
639 (TARG_SCALAR_LOAD_COST, TARG_SCALAR_STORE_COST): New.
640 * tree-vect-analyze.c (vect_analyze_slp_instance): Initisliaze
641 uninitialized variables.
642 * tree-vect-transform.c (cost_for_stmt): New function.
643 (vect_estimate_min_profitable_iters): Call cost_for_stmt instead of
644 using cost 1 for all scalar stmts. Be less conservative when
645 estimating the number of prologue/epulogue iterations. Call
646 targetm.vectorize.builtin_vectorization_cost. Return
647 min_profitable_iters-1.
648 (vect_model_reduction_cost): Use TARG_SCALAR_TO_VEC_COST for
649 initialization cost instead of TARG_VEC_STMT_COST. Use
650 TARG_VEC_TO_SCALAR_COST instead of TARG_VEC_STMT_COST for reduction
651 epilogue code. Fix epilogue cost computation.
652 * config/spu/spu.c (spu_builtin_vectorization_cost): New.
653 (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Implement.
654 * config/spu/spu.h (TARG_COND_BRANCH_COST, TARG_SCALAR_STMT_COST):
655 (TARG_SCALAR_LOAD_COST, TARG_SCALAR_STORE_COST, TARG_VEC_STMT_COST):
656 (TARG_VEC_TO_SCALAR_COST, TARG_SCALAR_TO_VEC, TARG_VEC_LOAD_COST):
657 (TARG_VEC_UNALIGNED_LOAD_COST, TARG_VEC_STORE_COST): Define.
659 2007-07-12 Richard Guenther <rguenther@suse.de>
661 * gimplify.c (gimplify_conversion): Make sure that the result
662 from maybe_fold_offset_to_reference is trivially convertible
663 to the desired type before doing the simplification.
664 (gimplify_expr): Likewise.
665 * fold-const.c (fold_binary): Use the correct types for
666 building the simplified expression.
668 2007-07-12 Zdenek Dvorak <dvorakz@suse.cz>
670 PR rtl-optimization/32729
671 * cfghooks.c (can_duplicate_block_p): Do not forbid duplicating blocks
672 that fallthru to exit.
674 2007-07-12 Kaz Kojima <kkojima@gcc.gnu.org>
676 * config/sh/sh.md (symGOTOFF2reg): Add missing parenthesis.
677 (symDTPOFF2reg): Likewise.
679 2007-07-11 Daniel Berlin <dberlin@dberlin.org>
681 PR tree-optimization/32663
683 * tree.h (VALUE_HANDLE_VUSES): Remove.
684 (struct tree_value_handle): Remove vuses.
686 * tree-vn.c (create_value_handle_for_expr): Don't set
689 * tree-ssa-pre.c (expression_vuses): New.
690 (alloc_expression_id): Set up expression_vuses.
691 (get_expression_vuses): New.
692 (set_expression_vuses): Ditto.
693 (clear_expression_ids): Modify for expression_vuses.
694 (phi_translate_1): Ditto.
695 (phi_translate_set): Ditto.
696 (value_dies_in_block_x): Ditto
697 (valid_in_sets): Ditto.
698 (add_to_sets): Ditto.
699 (find_existing_value_expr): Ditto.
700 (create_value_handle_for_expr): Ditto.
701 (make_values_for_stmt): Ditto.
702 (vuse_equiv): Remove.
704 2007-07-11 Alexandre Oliva <aoliva@redhat.com>
706 * Makefile.in (mostlyclean): Remove object files.
708 2007-07-11 Kenneth Zadeck <zadeck@naturalbridge.com>
710 * toplev.c (no_new_pseudos): Deleted.
711 * rtl.h (no_new_pseudos): Deleted.
712 * tree-pass.h (pass_no_new_pseudos): Deleted.
713 * passes.c (pass_no_new_pseudos): Deleted.
714 * final.c (rest_of_clean_state): Removed no_new_pseudos.
715 (rest_of_no_new_pseudos, pass_no_new_pseudos): Deleted.
716 * struct-equiv.c (rtx_equiv_p): Replaced no_new_pseudos with
718 * cfgcleanup.c (try_crossjump_to_edge): Ditto.
719 * rtlhooks.c (gen_lowpart_general): Ditto.
720 * optabs.c (prepare_operand): Ditto.
721 * mode-switching.c (rest_of_handle_mode_switching): Deleted set of
723 * modulo-sched.c (rest_of_handle_sms): Ditto.
724 * see.c (rest_of_handle_see): Ditto.
725 * ifcvt.c (if_convert): Ditto.
726 (gate_handle_if_after_combine): Replaced no_new_pseudos with
728 * init-regs.c (gate_initialize_regs): Deleted set of
730 * lower-subreg.c (decompose_multiword_subregs): Ditto.
731 * bb-reorder.c (rest_of_handle_partition_blocks): Ditto.
732 * doc/md.texi: Changed no_new_pseudos to can_create_pseudo_p.
734 2007-07-11 Uros Bizjak <ubizjak@gmail.com>
737 * config/i386/sse.md (*sse2_storeq_rex64): Handle 64bit mem->reg moves.
738 (*vec_extractv2di_1_sse2): Disable for TARGET_64BIT.
739 (*vec_extractv2di_1_rex64): New insn pattern.
741 2007-07-11 David Daney <ddaney@avtrex.com>
743 * config/mips/linux-unwind.h (mips_fallback_frame_state): Rewrite
744 return address calculation. Substitute DWARF_ALT_FRAME_RETURN_COLUMN
745 for SIGNAL_UNWIND_RETURN_COLUMN.
746 * config/mips/mips.h (SIGNAL_UNWIND_RETURN_COLUMN): Remove.
747 (DWARF_FRAME_REGNUM): Rewrite.
748 (DWARF_ALT_FRAME_RETURN_COLUMN) Define.
750 2007-07-11 Nick Clifton <nickc@redhat.com>
752 * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Revert previous
753 delta and use gen_int_mode in place of GET_INT instead.
755 2007-07-11 Uros Bizjak <ubizjak@gmail.com>
757 * reg-stack.c (struct tree_opt_pass pass_stack_regs): Nullify name
760 2007-07-11 Douglas Gregor <doug.gregor@gmail.com>
762 * params.def (PARAM_VERIFY_CANONICAL_TYPES): Remove.
763 (PARAM_USE_CANONICAL_TYPES): New; decides whether to use canonical
765 * params.h (VERIFY_CANONICAL_TYPES): Remove.
766 (USE_CANONICAL_TYPES): New.
767 * doc/invoke.texi (verify-canonical-types): Remove.
768 (use-canonical-types): Add.
770 2007-07-11 Ulrich Weigand <uweigand@de.ibm.com>
772 * config/spu/spu.c (spu_optimization_options): Remove setting of
773 parameter PARAM_MAX_COMPLETELY_PEEL_TIMES.
774 (spu_override_options): Move it here.
776 2007-07-11 Richard Sandiford <richard@codesourcery.com>
778 * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Handle -m4ksc and -m4ksd.
779 * config/mips/mips.c (mips_cpu_info_table): Mention
780 MIPS_ISA_LEVEL_SPEC in the comment.
782 2007-07-11 Eric Botcazou <ebotcazou@adacore.com>
784 PR tree-optimization/32713
785 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle REAL_CST.
787 2007-07-11 Paolo Carlini <pcarlini@suse.de>
790 * c-opts.c (c_common_post_options): Do not change flag_complex_method
791 conditional to flag_isoc99.
792 (c_common_init_options): Do it here, unconditionally.
794 2007-07-11 Eric Botcazou <ebotcazou@adacore.com>
796 PR tree-optimization/32589
797 * doc/tree-ssa.texi (Rough GIMPLE Grammar): Add missing rule.
798 * tree-gimple.c (is_gimple_min_invariant): Clarify head comment.
799 * tree-ssa-propagate.c (valid_gimple_expression_p): New
800 predicate, extracted from...
801 (set_rhs): ...here. Call it for the expression on entry.
802 * tree-ssa-propagate.h (valid_gimple_expression_p): Declare.
803 * tree-ssa-sccvn.c: Include tree-ssa-propagate.h.
804 (simplify_binary_expression): Use valid_gimple_expression_p
805 to validate the simplification.
806 * Makefile.in (tree-ssa-sccvn.o): Depends on tree-ssa-propagate.h.
808 2007-07-11 Danny Smith <dannysmith@users.sourceforge.net>
810 * config/i386/cygming.h (PREFERRED_DEBUGGING_TYPE): Define to
811 DWARF2_DEBUG on 32 bit target too.
812 (DWARF2_UNWIND_INFO): Reorganize 64-bit vs 32-bit definition.
814 2007-07-11 Nick Clifton <nickc@redhat.com>
816 * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Provide alternative
817 version for 64-bit hosts.
819 2007-07-10 David Daney <ddaney@avtrex.com>
821 * config/mips/mips.h (ISA_HAS_SYNCI): New target capability
823 (INITIALIZE_TRAMPOLINE): Emit clear_cache insn instead of library
825 * config/mips/mips.c (mips_expand_synci_loop): New function.
826 * config/mips/mips.md (UNSPEC_CLEAR_HAZARD): New constant.
827 (UNSPEC_RDHWR): Same.
828 (UNSPEC_SYNCI): Same.
830 (clear_cache): New expand.
834 (clear_hazard): Same.
835 * config/mips/mips-protos.h (mips_expand_synci_loop): Declare
837 * testsuite/gcc.target/mips/clear-cache-1.c: New test.
838 * testsuite/gcc.target/mips/clear-cache-2.c: New test.
840 2007-07-10 Ian Lance Taylor <iant@google.com>
842 * emit-rtl.c (gen_reg_rtx): Check can_create_pseudo_p rather than
845 2007-07-10 David Daney <ddaney@avtrex.com>
847 * builtins.def (BUILT_IN_CLEAR_CACHE): New builtin.
848 * builtins.c (expand_builtin___clear_cache): New function.
849 (expand_builtin): Call expand_builtin___clear_cache for
850 BUILT_IN_CLEAR_CACHE case.
851 * doc/extend.texi (__builtin___clear_cache): Document new builtin.
852 * doc/md.texi (clear_cache): Document new instruction pattern.
853 * testsuite/gcc.dg/builtins-64.c: New test.
855 2007-07-11 Hans-Peter Nilsson <hp@axis.com>
857 * config/cris/cris.md ("movsi"): Fix typo in last change.
859 2007-07-09 Geoffrey Keating <geoffk@apple.com>
862 * c-common.c (c_alignof_expr): Look at DECL_ALIGN of
864 (handle_aligned_attribute): Allow use on FUNCTION_DECLs.
865 * varasm.c (assemble_start_function): Honor DECL_ALIGN
866 for FUNCTION_DECLs. Don't use align_functions_log if
868 * print-tree.c (print_node): Print DECL_ALIGN and DECL_USER_ALIGN
869 even for FUNCTION_DECLs.
870 * c-decl.c (merge_decls): Propagate DECL_ALIGN even for
872 * tree.h (DECL_ALIGN): Update for new location of 'align'.
873 (DECL_FUNCTION_CODE): Update for new location and name of
875 (DECL_OFFSET_ALIGN): Update for new location of 'off_align'.
876 (struct tree_decl_common): Move 'align' and 'off_align' out
877 of union, ensure they're still on a 32-bit boundary. Remove
878 other fields in union 'u1'.
879 (struct tree_function_decl): Add field 'function_code' replacing
880 'u1.f' in tree_decl_common.
881 * tree.c (build_decl_stat): Set initial value of DECL_ALIGN.
882 * doc/extend.texi (Function Attributes): Add 'aligned' attribute.
883 (Variable Attributes): Cross-reference 'aligned' attribute
884 to Function Attributes.
885 * flags.h (force_align_functions_log): Delete.
886 * toplev.c (force_align_functions_log): Delete.
888 2007-07-10 Uros Bizjak <ubizjak@gmail.com>
891 * config/i386/sse.md (vec_concatv2di): Disable for TARGET_64BIT.
892 (*vec_concatv2di_rex): New insn pattern.
894 2007-07-10 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
897 * config/mips/iris6.h (LIBGCC_SPEC): Add libm.
899 2007-07-10 Ian Lance Taylor <iant@google.com>
901 Replace no_new_pseudos in backends.
902 * rtl.h (can_create_pseudo_p): Define.
903 * config/darwin.c (machopic_indirect_data_reference): Use
904 can_create_pseudo_p () instead of no_new_pseudos.
905 (machopic_indirect_data_reference): Likewise.
906 (machopic_legitimize_pic_address): Likewise.
907 * config/alpha/alpha.c (alpha_legitimize_address): Likewise.
908 (alpha_emit_set_const_1): Likewise.
909 (alpha_emit_set_const): Likewise.
910 (alpha_emit_conditional_move): Likewise.
911 (alpha_split_conditional_move): Likewise.
912 * config/alpha/alpha.md (various splitters): Likewise.
914 * config/arm/arm.c (legitimize_pic_address): Likewise.
915 (arm_load_pic_register): Likewise.
916 * config/arm/arm.md (addsi3, subsi3, andsi3, iorsi3): Likewise.
917 (movdi, movsi, movhi, movqi, movsf, movdf): Likewise.
918 * config/bfin/bfin.c (legitimize_pic_address): Likewise.
919 * config/cris/cris.c (cris_expand_pic_call_address): Likewise.
920 * config/cris/cris.md (movsi): Likewise.
921 * config/frv/frv.md (symGOT2reg_hilo): Likewise.
922 (symGOTOFF2reg_hilo): Likewise.
923 (symGPREL2reg, symGPREL2reg_hilo): Likewise.
924 * config/h8300/h8300.md (insv, extzv): Likewise.
925 * config/i386/i386.c (ix86_expand_move): Likewise.
926 (ix86_expand_vector_move): Likewise.
927 (ix86_prepare_fp_compare_args): Likewise.
928 (ix86_expand_carry_flag_compare): Likewise.
929 * config/i386/i386.md (tls_dynamic_gnu2_32): Likewise.
930 (tls_dynamic_gnu2_combine_32): Likewise.
931 (tls_dynamic_gnu2_64, tls_dynamic_gnu2_combine_64): Likewise.
932 * config/ia64/ia64.c (ia64_expand_move): Likewise.
933 (ia64_expand_movxf_movrf): Likewise.
934 * config/m32c/m32c.c (m32c_prepare_move): Likewise.
935 (m32c_split_move): Likewise.
936 (m32c_expand_insv): Likewise.
937 * config/m68k/m68k.md (movsi): Likewise.
938 * config/mips/mips.c (mips_force_temporary): Likewise.
939 (mips_split_symbol): Likewise.
940 (mips_move_integer): Likewise.
941 (mips_legitimize_const_move): Likewise.
942 * config/mn10300/mn10300.md (movsi): Likewise.
943 * config/pa/pa.c (emit_move_sequence): Likewise.
944 * config/rs6000/rs6000.c (rs6000_emit_move): Likewise.
945 (rs6000_got_register): Likewise.
946 (create_TOC_reference): Likewise.
947 (rs6000_machopic_legitimize_pic_address): Likewise.
948 * config/rs6000/rs6000.md (add<mode>3): Likewise.
949 (various splitters): Likewise.
950 (iorsi3, xorsi3, iordi3, xordi3): Likewise.
951 (movsi_got): Likewise.
952 * config/s390/s390.c (emit_symbolic_move): Likewise.
953 * config/s390/s390.md (movhi, movqi): Likewise.
954 (load_multiple, store_multiple): Likewise.
955 * config/score/score.c (score_force_temporary): Likewise.
956 * config/sh/sh.c (prepare_move_operands): Likewise.
957 (prepare_cbranch_operands): Likewise.
958 (emit_fpu_switch): Likewise.
959 (fpscr_set_from_mem): Likewise.
960 * config/sh/sh.md (movdicc, movsicc, movsicc_umin): Likewise.
961 (adddi3, subsi3): Likewise.
962 (various splitters): Likewise.
963 (divsi_inv_fp_combine): Likewise.
964 (symGOT_load, symGOTOFF2reg, symDTPOFF2reg): Likewise.
965 (seq, slt, sle, sgt, sge, sgtu, sltu, sleu, sgeu): Likewise.
967 * config/sh/predicates.md (xor_operand): Likewise.
968 * config/sparc/sparc.c (legitimize_tls_address): Likewise.
969 * config/sparc/sparc.md (movsi_pic_label_ref): Likewise.
970 (movdi_pic_label_ref): Likewise.
971 * config/spu/spu.c (spu_split_immediate): Likewise.
972 * config/alpha/alpha.md (various splitters): Remove test
973 !no_new_pseudos || reload_completed.
974 * config/ia64/ia64.c (ia64_output_mi_thunk): Don't set
976 * config/m68k/m68k.c (m68k_output_mi_thunk): Likewise.
977 * config/mips/mips.c (mips_output_mi_thunk): Likewise.
978 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
979 * config/score/score.c (th_output_mi_thunk): Likewise.
980 * config/sh/sh.c (sh_output_mi_thunk): Likewise.
981 * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
983 2007-07-10 Kaz Kojima <kkojima@gcc.gnu.org>
985 PR rtl-optimization/32664
986 * mode-switching.c (create_pre_exit): Skip barrier insns.
988 2007-07-10 Zdenek Dvorak <dvorakz@suse.cz>
990 * tree-scalar-evolution.c (scev_const_prop): Add arguments to
991 force_gimple_operand_bsi.
992 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr,
993 rewrite_use_compare): Ditto.
994 * tree-ssa-address.c (gimplify_mem_ref_parts, create_mem_ref):
996 * tree-ssa-ifcombine.c (ifcombine_ifandif): Ditto.
997 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Ditto.
998 * lambda-code.c (replace_uses_equiv_to_x_with_y): Ditto.
999 * tree-profile.c (prepare_instrumented_value,
1000 tree_gen_interval_profiler, tree_gen_pow2_profiler,
1001 tree_gen_one_value_profiler, tree_gen_ic_profiler,
1002 tree_gen_ic_func_profiler, tree_gen_average_profiler,
1003 tree_gen_ior_profiler): Ditto.
1004 * tree-ssa-reassoc.c (negate_value): Ditto.
1005 * matrix-reorg.c (transform_access_sites, transform_allocation_sites):
1006 Use force_gimple_operand_bsi.
1007 * tree-vect-transform.c (vect_update_ivs_after_vectorizer): Ditto.
1008 * tree-if-conv.c (add_to_dst_predicate_list,
1009 find_phi_replacement_condition): Ditto.
1010 * gimplify.c (force_gimple_operand_bsi): Add before and m arguments.
1011 Call mark_symbols_for_renaming for new statements.
1012 * tree-flow.h (force_gimple_operand_bsi): Declaration changed.
1014 2007-07-10 Zdenek Dvorak <dvorakz@suse.cz>
1016 * cfghooks.c (remove_edge): New function.
1017 (redirect_edge_and_branch, remove_branch, merge_blocks): Updated
1019 * cfghooks.h (remove_edge): Declare.
1020 * cfg.c (remove_edge): Renamed to remove_edge_raw.
1021 * basic-block.h (remove_edge): Declaration changed to remove_edge_raw.
1023 2007-07-09 Wolfgang Gellerich <gellerich@de.ibm.com>
1025 * optabs.h: Added declaration for signbit_optab.
1026 * optabs.c: (init_optabs): Added initialization for signbit_optab.
1027 * genoptinit.c (optabs): Added entry for signbit insns.
1028 * builtins.c (expand_builtin_signbit): Added code to use a signbit
1030 * config/s390/s390.h (S390_TDC_SIGNBIT_SET): New constant.
1031 * config/s390/s390.md (signbit<mode>2): New expander.
1033 2007-07-09 Richard Guenther <rguenther@suse.de>
1036 * fold-const.c (fold_plusminus_mult_expr): Move constant
1037 arguments second to allow decomposing.
1039 2007-07-09 Alexandre Oliva <aoliva@oliva.athome.lsd.ic.unicamp.br>
1042 2007-07-06 Alexandre Oliva <aoliva@redhat.com>
1044 * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
1045 Disregard DECL_FROM_INLINE.
1047 2007-07-09 Uros Bizjak <ubizjak@gmail.com>
1050 * doc/invoke.texi: Add ftree-reassoc flag.
1051 * common.opt (ftree-reassoc): New flag.
1052 * tree-ssa-reassoc.c (gate_tree_ssa_reassoc): New static function.
1053 (struct tree_opt_pass pass_reassoc): Use gate_tree_ssa_reassoc.
1055 2007-07-09 Uros Bizjak <ubizjak@gmail.com>
1057 PR tree-optimization/32681
1058 * tree-if-conv.c (find_phi_replacement_condition): Use the condition
1059 saved in second_edge->aux when first_bb is a loop header.
1061 2007-07-09 Jan HUbicka <jh@suse.cz>
1063 * cse.c (cse_insn): Avoid invalid sharing on trial replacement.
1065 2007-07-09 Richard Guenther <rguenther@suse.de>
1067 * c-decl.c (start_function): Do not promote return type.
1069 2007-07-08 Daniel Franke <franke.daniel@gmail.com>
1071 * function.c (do_warn_unused_parameter): Do not warn if
1072 TREE_NO_WARNING is set.
1074 2007-07-08 Andreas Schwab <schwab@suse.de>
1076 * doc/invoke.texi (DEC Alpha/VMS Options): Fix typo.
1078 2007-07-08 Sandra Loosemore <sandra@codesourcery.com>
1081 2007-07-06 Sandra Loosemore <sandra@codesourcery.com>
1083 * c-opts.c (c_common_handle_option): Make DOLLARS_IN_IDENTIFIERS
1084 apply to assembly language, too.
1085 * doc/tm.texi (DOLLARS_IN_IDENTIFIERS): Update.
1087 2007-07-07 Daniel Berlin <dberlin@dberlin.org>
1089 Revert (note the sccvn portions are *not* reverted)
1090 2007-07-06 Daniel Berlin <dberlin@dberlin.org>
1092 Fix PR tree-optimization/23488
1094 * tree-vn.c (set_value_handle): Use decl_vh_map for decl value
1096 * tree-flow-inline.h (get_value_handle): Ditto.
1097 * tree-ssa-pre.c (decl_vh_map): New.
1098 (decl_node_pool): New.
1099 (can_value_number_operation): Support DECL_P.
1100 (can_PRE_operation): Ditto.
1101 (create_expression_by_pieces): Ditto.
1102 (find_existing_value_expr): Modify to differnetiate between
1103 addressing and top level.
1104 (create_value_handle_for_expr): Handle DECL's.
1105 (poolify_tree): Ditto.
1106 (make_values_for_phi): Don't insert into PHI_GEN during FRE.
1107 (make_values_for_stmt): Handle DECL's properly.
1108 (init_pre): Reorg to not init useless things during FRE.
1110 * tree-flow.h: Include pointer-set.h.
1111 (decl_vh_map): Declare.
1112 * Makefile.in (TREE_FLOW_H): Add pointer-set.h
1114 2007-07-07 Eric Weddington <eweddington@cso.atmel.com>
1116 * config/avr/constraints.md (define_memory_constraint "Q"): Fix
1117 the constraint description.
1118 * doc/md.texi: Update documentation of AVR constraints.
1120 2007-07-07 Kazu Hirata <kazu@codesourcery.com>
1122 * auto-inc-dec.c, config/arm/arm.c,
1123 config/m32r/constraints.md, config/mips/mips.md,
1124 config/rs6000/rs6000.c, cselib.c, dce.c, df-core.c,
1125 df-problems.c, df-scan.c, df.h, dse.c, gimplify.c,
1126 tree-if-conv.c, tree-ssa-sccvn.c, tree-ssa.c: Fix comment
1127 typos. Follow spelling conventions.
1128 * doc/invoke.texi, doc/rtl.texi: Fix typos.
1130 * cfgrtl.c (delete_insn_chain_and_edges): Remove.
1131 * rtl.h: Remove the prototype for delete_insn_chain_and_edges.
1133 * tree-ssa-operands.c (realloc_vop, realloc_vdef,
1134 realloc_vuse): Remove.
1135 * tree-ssa-operands.h: Remove the prototype for realloc_vdef
1138 2007-07-06 Daniel Berlin <dberlin@dberlin.org>
1140 Fix PR tree-optimization/23488
1142 * tree-ssa-sccvn.c (expr_has_constants): Handle tcc_declaration.
1143 (try_to_simplify): Ditto.
1145 * tree-vn.c (set_value_handle): Use decl_vh_map for decl value
1147 * tree-flow-inline.h (get_value_handle): Ditto.
1148 * tree-ssa-pre.c (decl_vh_map): New.
1149 (decl_node_pool): New.
1150 (can_value_number_operation): Support DECL_P.
1151 (can_PRE_operation): Ditto.
1152 (create_expression_by_pieces): Ditto.
1153 (find_existing_value_expr): Modify to differnetiate between
1154 addressing and top level.
1155 (create_value_handle_for_expr): Handle DECL's.
1156 (poolify_tree): Ditto.
1157 (make_values_for_phi): Don't insert into PHI_GEN during FRE.
1158 (make_values_for_stmt): Handle DECL's properly.
1159 (init_pre): Reorg to not init useless things during FRE.
1161 * tree-flow.h: Include pointer-set.h.
1162 (decl_vh_map): Declare.
1163 * Makefile.in (TREE_FLOW_H): Add pointer-set.h
1165 2007-07-06 Sandra Loosemore <sandra@codesourcery.com>
1167 * c-opts.c (c_common_handle_option): Make DOLLARS_IN_IDENTIFIERS
1168 apply to assembly language, too.
1169 * doc/tm.texi (DOLLARS_IN_IDENTIFIERS): Update.
1171 2007-07-06 Ian Lance Taylor <iant@google.com>
1172 Zack Weinberg <zackw@panix.com>
1175 * builtins.c (std_expand_builtin_va_start): Don't use make_tree.
1177 2007-07-06 Richard Sandiford <richard@codesourcery.com>
1179 * config/sh/sh.md (*prefetch_i4): Disable for TARGET_VXWORKS_RTP.
1180 (prefetch): Likewise if "pref" would be used.
1182 2007-07-06 Josh Conner <jconner@apple.com>
1186 * calls.c (store_one_arg): Handle arguments which are partially
1187 on the stack when detecting argument overlap.
1189 2007-07-06 Bernd Schmidt <bernd.schmidt@analog.com>
1191 * reload1.c (choose_reload_regs): Set reload_spill_index for regs
1192 chosen during find_reloads.
1194 2007-07-06 Richard Guenther <rguenther@suse.de>
1196 * gimplify.c (gimplify_call_expr): Prefer DECL_ARGUMENTS over
1197 TYPE_ARG_TYPES for verification of argument types. Use
1198 DECL_ARG_TYPE instead of the PARM_DECL type. Take excess
1199 parameters as variable arguments.
1201 2007-07-06 Andreas Krebbel <krebbel1@de.ibm.com>
1203 * libgcc2.h (word_type): Type definition removed.
1204 (cmp_return_type, shift_count_type): Type definitions added.
1205 (__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter
1206 replaced with shift_count_type.
1207 (__cmpdi2, __ucmpdi2): word_type of return type replaced with
1209 * libgcc2.c (__udivmoddi4, __moddi3): Type of local variable c
1210 changed from word_type to Wtype.
1211 (__lshrdi3, __ashldi3, __ashrdi3): word_type of second parameter
1212 replaced with shift_count_type.
1213 (__cmpdi2, __ucmpdi2): word_type of return type replaced with
1215 * c-common.c (handle_mode_attribute): Handling for libgcc_cmp_return
1216 and libgcc_shift_count attribute added.
1217 * target-def.h (TARGET_LIBGCC_CMP_RETURN_MODE,
1218 TARGET_LIBGCC_SHIFT_COUNT_MODE): New target hooks defined.
1219 (TARGET_INITIALIZER): New target hooks added.
1220 * targhooks.c (default_libgcc_cmp_return_mode,
1221 default_libgcc_shift_count_mode): Default implementations for the new
1223 * targhooks.h (default_libgcc_cmp_return_mode,
1224 default_libgcc_shift_count_mode): Function prototypes added.
1225 * target.h (struct gcc_target): Fields for the new target hooks added.
1226 * optabs.c (expand_binop): Use shift_count_mode when expanding shift
1228 (prepare_cmp_insn): Use cmp_return_mode when expanding comparison as
1231 * doc/tm.texi (TARGET_LIBGCC_CMP_RETURN_MODE,
1232 TARGET_LIBGCC_SHIFT_COUNT_MODE): Documentation added.
1234 * config/s390/s390.c (s390_libgcc_cmp_return_mode,
1235 s390_libgcc_shift_count_mode): Functions added.
1236 (TARGET_LIBGCC_CMP_RETURN_MODE, TARGET_LIBGCC_SHIFT_COUNT_MODE):
1237 Target hooks defined.
1239 2007-07-06 Richard Sandiford <richard@codesourcery.com>
1241 * config/mips/mips.c (compute_frame_size): Restore the original
1242 gp_sp_offset for !GENERATE_MIPS16E_SAVE_RESTORE and remove the
1243 fp_size term from the GENERATE_MIPS16E_SAVE_RESTORE calculation.
1244 Document why the difference is needed.
1246 2007-07-06 Richard Guenther <rguenther@suse.de>
1248 * c-common.c (boolean_increment): Use correctly typed
1251 2007-07-06 Richard Sandiford <richard@codesourcery.com>
1253 * config/mips/mips.c (mips16e_save_restore_pattern_p): Check that
1254 the topmost argument register is not also included in the save mask.
1255 (mips16e_collect_argument_save_p): Take a pointer to the argument
1256 register, rather than a pointer to the number of arguments.
1257 (mips16e_collect_argument_saves): Only include argument saves
1258 that aren't in the register mask.
1260 2007-07-06 Uros Bizjak <ubizjak@gmail.com>
1262 PR rtl-optimization/32450
1263 * function.c (thread_prologue_and_epilogue_insns): Emit blockage insn
1264 to ensure that instructions are not moved into the prologue when
1265 profiling is on. Remove unused prologue_end variable.
1266 (expand_function_end): Emit blockage insn instead of ASM_INPUT rtx
1267 as a scheduling barrier.
1269 2007-07-06 Alexandre Oliva <aoliva@redhat.com>
1272 * tree-ssa-copyrename.c (copy_rename_partition_coalesce):
1273 Disregard DECL_FROM_INLINE.
1275 2007-07-05 Adam Nemet <anemet@caviumnetworks.com>
1277 * rtlanal.c (num_sign_bit_copies1): Improve cases of ANDing or
1278 IORing with a constant.
1280 2007-07-05 Seongbae Park <seongbae.park@gmail.com>
1282 PR rtl-optimization/32475
1283 * df-scan.c (df_def_record_1): Add a use of the stack pointer
1284 for every definition of the stack pointer.
1286 2007-07-05 Richard Earnshaw <rearnsha@arm.com>
1288 * arm.c (vfp3_const_double_index): Copy signed results of
1289 REAL_VALUE_TO_INT into unsigned vars.
1291 2007-07-05 Richard Guenther <rguenther@suse.de>
1294 * alias.c (get_alias_set): Tread METHOD_TYPE the same as
1296 * tree-ssa.c (useless_type_conversion_p): Check canonical
1299 2007-07-05 Anatoly Sokolov <aesok@post.ru>
1301 * config/avr/avr.md (zero_extendqihi2, zero_extendqisi2,
1302 zero_extendhisi2): Change to define_insn_and_split.
1303 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New.
1305 2007-07-05 Paolo Bonzini <bonzini@gnu.org>
1307 * function.c (match_asm_constraints_1, rest_of_match_asm_constraints,
1308 pass_match_asm_constraints): New.
1309 * passes.c (init_optimization_passes): Add new pass.
1310 * stmt.c (expand_asm_operands): Set cfun->has_asm_statement.
1311 * function.h (struct function): Add has_asm_statement bit.
1312 (current_function_has_asm_statement): New.
1313 * tree-pass.h (pass_match_asm_constraints): New.
1315 2007-07-05 Richard Sandiford <rsandifo@nildram.co.uk>
1317 * config/mips/mips.c (mips_file_start): Avoid declaration
1320 2007-07-05 Sandra Loosemore <sandra@codesourcery.com>
1322 * optabs.c (expand_binop_directly): Fix signed/unsigned comparison.
1324 2007-07-05 Uros Bizjak <ubizjak@gmail.com>
1326 * rtl.def (NOTE): Change print format string to print
1327 operand 5 as a note insn name.
1329 2007-07-05 Sandra Loosemore <sandra@codesourcery.com>
1330 David Ung <davidu@mips.com>
1332 * config/mips/mips.c (mips_cpu_info): Add 4ksc and 4ksd processors.
1333 * doc/invoke.texi: (MIPS Options): Document them.
1335 2007-07-05 Sandra Loosemore <sandra@codesourcery.com>
1336 David Ung <davidu@mips.com>
1338 Add support for SmartMIPS ASE.
1340 * optabs.c (expand_binop_directly): New, broken out from...
1341 (expand_binop): Here. Make it try rotating in the other
1342 direction even when the second operand isn't constant.
1343 * config/mips/mips.md (*lwxs): New.
1344 * config/mips/mips.opt (msmartmips): New.
1345 * config/mips/mips.c (mips_lwxs_address_p): New.
1346 (mips_rtx_costs): Make it recognize scaled indexed addressing.
1347 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define
1348 __mips_smartmips when compiling for TARGET_SMARTMIPS.
1349 (ISA_HAS_ROR): Define for TARGET_SMARTMIPS.
1350 (ISA_HAS_LWXS): New.
1351 (ASM_SPEC): Add -msmartmips/-mno-smartmips.
1352 * doc/invoke.texi (MIPS Options): Document -msmartmips/-mno-smartmips.
1353 * testsuite/gcc.target/mips/smartmips-lwxs.c: New test case.
1354 * testsuite/gcc.target/mips/smartmips-ror-1.c: New test case.
1355 * testsuite/gcc.target/mips/smartmips-ror-2.c: New test case.
1356 * testsuite/gcc.target/mips/smartmips-ror-3.c: New test case.
1357 * testsuite/gcc.target/mips/smartmips-ror-4.c: New test case.
1359 2007-07-05 Dorit Nuzman <dorit@il.ibm.com>
1361 * tree-vectorizer.c (new_loop_vec_info): Initialize
1362 LOOP_VINFO_COST_MODEL_MIN_ITERS.
1363 * tree-vectorizer.h (_loop_vec_info): Added new filed
1364 min_profitable_iters.
1365 (LOOP_VINFO_COST_MODEL_MIN_ITERS): New access macro to above new field.
1366 (TARG_SCALAR_TO_VEC_COST): Define cost of scalar to vector operation.
1367 * tree-vect-analyze.c (vect_analyze_operations): Set
1368 LOOP_VINFO_COST_MODEL_MIN_ITERS.
1369 * tree-vect-transform.c (vect_estimate_min_profitable_iters): Use
1370 VEC_length to determine if there are any LOOP_VINFO_MAY_MISALIGN_STMTS.
1371 Fix calculation of peel_iters_prologue. Move consideration of epilogue
1372 and prologue cost to after they are computed.
1373 (vect_model_induction_cost): Use TARG_SCALAR_TO_VEC_COST instead of
1375 (vect_model_simple_cost): Takes additional argument dt. Consider cost
1376 of creating vectors from scalars according to dt.
1377 (vect_model_store_cost): Likewise.
1378 (vectorizable_call): Use dt array instead of scalar dt. Call
1379 vect_model_simple_cost with additional argument dt.
1380 (vectorizable_assignment): Likewise.
1381 (vectorizable_operation): Likewise.
1382 (vectorizable_type_demotion): Likewise.
1383 (vectorizable_type_promotion): Likewise.
1384 (vectorizable_store): Use dt array instead of scalar dt. Call
1385 vect_model_store_cost with additional argument dt.
1386 (vect_do_peeling_for_loop_bound): Don't call
1387 vect_estimate_min_profitable_iters. Instead, lookup
1388 LOOP_VINFO_COST_MODEL_MIN_ITERS. Don't always print
1389 "may not be profitable".
1391 2007-07-05 Dorit Nuzman <dorit@il.ibm.com>
1394 * config/rs6000/altivec.md (UNSPEC_VUPKHS_V4SF, UNSPEC_VUPKLS_V4SF):
1395 (UNSPEC_VUPKHU_V4SF, UNSPEC_VUPKLU_V4SF): New.
1396 (vec_unpacks_float_hi_v8hi, vec_unpacks_float_lo_v8hi): New patterns.
1397 (vec_unpacku_float_hi_v8hi, vec_unpacku_float_lo_v8hi): New patterns.
1399 2007-07-05 Zdenek Dvorak <dvorakz@suse.cz>
1401 * config/i386/i386.c (ix86_address_cost): Do not consider more complex
1402 addressing modes cheaper.
1404 2007-07-05 Alexandre Oliva <aoliva@redhat.com>
1406 * dwarf2out.c (dw_ranges_by_label_ref): New typedef.
1407 (dw_ranges_struct): Rename block_num to num. Adjust.
1408 (dw_ranges_by_label_struct): New.
1409 (ranges_by_label, ranges_by_label_allocated,
1410 ranges_by_label_in_use): New variables.
1411 (add_ranges_num): Factored most of the code out of...
1412 (add_ranges): ... this one. Rewrite in terms of the former.
1413 (add_ranges_by_labels): New.
1414 (output_ranges): Output by-label ranges.
1415 (dwarf2out_finish): Output range for multiple-section
1416 compile_unit. Output standard DW_AT_low_pc in addition to
1417 unexpected DW_AT_entry_pc.
1419 2007-07-04 Daniel Berlin <dberlin@dberlin.org>
1421 PR tree-optimization/32604
1422 PR tree-optimization/32606
1424 * tree-ssa-pre.c (bb_bitmap_sets): Removed antic_safe_loads.
1425 (compute_antic_safe): Removed.
1426 (ANTIC_SAFE_LOADS): Ditto.
1427 (compute_antic_aux): Don't print ANTIC_SAFE_LOADS.
1428 (execute_pre): Don't call compute_antic_safe.
1429 (vuse_equiv): New function.
1430 (make_values_for_stmt): Use it
1431 * tree-ssa-sccvn.c (set_ssa_val_to): Remove assert, since it is
1434 2007-07-04 Anatoly Sokolov <aesok@post.ru>
1437 * config/avr/avr.c (avr_naked_function_p): Handle receiving a type
1439 (avr_attribute_table): Make "naked" attribute apply to function types
1440 rather than to decls.
1441 (avr_handle_fntype_attribute): New function.
1443 2007-07-04 Joseph Myers <joseph@codesourcery.com>
1445 * target-def.h (TARGET_INITIALIZER): Remove trailing whitespace
1448 2007-07-04 David Ung <davidu@mips.com>
1449 Joseph Myers <joseph@codesourcery.com>
1451 * config/mips/mips.md (type): Add logical, signext and move.
1452 (one_cmpl<mode>2, *and<mode>3, *and<mode>3_mips16, *ior<mode>3,
1453 *ior<mode>3_mips16, two unnamed insns after *ior<mode>3_mips16,
1454 *nor<mode>3, "Combiner patterns to optimize truncate/zero_extend
1455 combinations", *zero_extend<SHORT:mode><GPR:mode>2,
1456 *zero_extendqihi2, *extend<SHORT:mode><GPR:mode>2_mips16e,
1457 *extend<SHORT:mode><GPR:mode>2_se<SHORT:size>, *movdi_64bit,
1458 *movdi_64bit_mips16, *movsi_internal, *movsi_mips16, movcc,
1459 *movhi_internal, *movhi_mips16, *movqi_internal, *movqi_mips16,
1460 *movsf_hardfloat, *movsf_softfloat, *movsf_mips16,
1461 *movdf_hardfloat_64bit, *movdf_hardfloat_32bit,
1462 movv2sf_hardfloat_64bit): Use the new types.
1463 (*movdi_32bit, *movdi_gp32_fp64, *movdi_32bit_mips16,
1464 *movdf_softfloat, *movdf_mips16): Use "multi".
1465 (extendqihi2): Replace with a define_expand.
1466 (*extendqihi2_mips16e, *extendqihi2, *extendqihi2_seb): New.
1467 Based on extend<SHORT:mode><GPR:mode>2 patterns.
1468 * config/mips/74k.md (r74k_int_logical): New reservation and
1470 (r74k_int_arith): Remove "slt".
1471 * config/mips/24k.md, config/mips/4130.md, config/mips/4k.md,
1472 config/mips/5400.md, config/mips/5500.md, config/mips/5k.md,
1473 config/mips/7000.md, config/mips/9000.md, config/mips/generic.md,
1474 config/mips/sb1.md, config/mips/sr71k.md: Add new types to
1475 reservations for "arith".
1477 2007-07-04 Richard Guenther <rguenther@suse.de>
1479 * tree-ssa.c (useless_type_conversion_p): Add handling for
1480 scalar float and vector types. Only call the types_compatible_p
1481 langhook for aggregate types as last resort. Follow the
1484 2007-07-04 Richard Guenther <rguenther@suse.de>
1486 * tree-inline.c (estimate_num_insns_1): Treat CONVERT_EXPR
1487 the same as NOP_EXPR.
1489 2007-07-04 Nick Clifton <nickc@redhat.com>
1491 * target.h (struct gcc_target): Add target_help field.
1492 * target-def.h (TARGET_HELP): New.
1493 (TARGET_INITIALIZER): Use TARGET_HELP.
1494 * opts.c (command_handle_option): Invoke target_help function, if
1495 defined, when the user has specified --target-help on the command
1497 * doc/invoke.texi: Mention that --target-help might print
1498 additional information.
1499 * doc/tm.texi: Document TARGET_HELP hook.
1501 * arm.c (TARGET_HELP): Override default definition.
1502 (arm_target_help): New - display a wrapped list of cores and
1503 architectures supported.
1505 2007-07-04 Rask Ingemann Lambertsen <rask@sygehus.dk>
1507 * config/gcc/v850/v850.c (expand_prologue): Make sure
1508 GEN_INT() argument is sign extended rather than zero extended.
1509 (expand_epilogue): Likewise.
1510 (output_move_double): Delete.
1511 * config/gcc/v850/v850-protos.h (output_move_double): Delete.
1512 * config/gcc/v850/v850.md (movdi): Delete.
1513 (*movdi_internal): Delete.
1515 (*movdf_internal): Delete.
1517 2007-07-04 Richard Sandiford <richard@codesourcery.com>
1519 * config/sh/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Reject -mrelax
1520 unless compiling RTP PIC.
1522 2007-07-04 Richard Guenther <rguenther@suse.de>
1524 PR tree-optimization/32482
1525 * tree-ssa-ifcombine.c (recognize_single_bit_test): Use the
1526 original ssa name if we didn't find a shift expression.
1527 Fix shift constant for bit zero test.
1529 2007-07-04 Richard Sandiford <richard@codesourcery.com>
1531 * config/sh/lib1funcs.asm (ic_invalidate): Align constant pool.
1533 2007-07-04 Richard Sandiford <richard@codesourcery.com>
1535 * config.gcc (arm-wrs-vxworks): Don't include svr4.h.
1536 * config/vxworks.h (PTRDIFF_TYPE, SIZE_TYPE, TARGET_POSIX_IO): Define.
1537 * config/arm/vxworks.h (ASM_SPEC): Delete.
1538 (SUBTARGET_EXTRA_ASM_SPEC): Define.
1540 2007-07-04 Sebastian Pop <sebpop@gmail.com>
1542 * tree-data-ref.h (data_dependence_relation): New flag reversed_p.
1543 (DDR_REVERSED_P): New.
1544 * tree-data-ref.c (initialize_data_dependence_relation,
1545 build_classic_dist_vector): Set DDR_REVERSED_P.
1547 2007-07-04 Sebastian Pop <sebpop@gmail.com>
1550 * tree-data-ref.c (analyze_siv_subscript_cst_affine,
1551 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
1552 init_omega_for_ddr_1): Use non conservative number of iterations
1554 (analyze_subscript_affine_affine): Use HOST_WIDE_INT instead of int.
1555 (analyze_siv_subscript): Remove FIXME and reinitialization of
1556 last_conflicts to chrec_dont_know.
1557 * testsuite/gfortran.dg/vect/pr32457.f90: New.
1559 2007-07-04 Douglas Gregor <doug.gregor@gmail.com>
1561 * tree.c (maybe_canonicalize_argtypes): Improve description.
1563 2007-07-04 Douglas Gregor <doug.gregor@gmail.com>
1565 * tree.c (maybe_canonicalize_argtypes): New.
1566 (build_function_type): Set canonical type.
1567 (build_method_type_directly): Ditto.
1568 (reconstruct_complex_type): Rebuild the METHOD_TYPE node
1571 2007-07-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
1573 * tree-ssa-loop-ivopts.c (strip_offset_1): Treat POINTER_PLUS_EXPR
1575 (rewrite_use_nonlinear_expr): Likewise.
1577 2007-07-03 Seongbae Park <seongbae.park@gmail.com>
1579 * rtl.def (UNSPEC, USE, CLOBBER): More comments.
1581 2007-07-04 Ben Elliston <bje@au.ibm.com>
1583 * dwarf2out.c: Move DWARF2 abbreviation glossary closer to the top
1586 * c-objc-common.c (c_types_compatible_p): Fix indentation.
1588 * doc/tm.texi (Run-time Target): Capitalise "CPU".
1589 (Exception Handling): Likewise.
1591 2007-07-03 Jan Hubicka <jh@suse.cz>
1593 * ifcvt.c (find_cond_trap): Avoid invalid RTL sharing.
1595 2007-07-03 Eric Christopher <echristo@apple.com>
1597 * doc/cppopts.texi: Add conflicting option note to -dM.
1598 * doc/invoke.texi: Add note about possible conflicts with
1599 -E for -dCHARS and note that -dM will not produce
1600 any results if there is no machine dependent reorg.
1602 2007-07-03 Geoffrey Keating <geoffk@apple.com>
1604 * tree.h (DECL_ALIGN): Back out previous change.
1606 2007-07-03 Joseph Myers <joseph@codesourcery.com>
1608 * configure.ac: Test for .dtprelword support on MIPS.
1609 * configure, config.in: Regenerate.
1610 * config/mips/mips.c (mips_output_dwarf_dtprel): New.
1611 (TARGET_ASM_OUTPUT_DWARF_DTPREL): Define.
1613 2007-07-03 Julian Brown <julian@codesourcery.com>
1615 * config.gcc (with_fpu): Allow --with-fpu=vfp3.
1616 * config/arm/aout.h (REGISTER_NAMES): Add D16-D31.
1617 * config/arm/aof.h (REGISTER_NAMES): Add D16-D31.
1618 * config/arm/arm.c (FL_VFPV3): New flag for VFPv3 processor
1620 (all_fpus): Add FPUTYPE_VFP3.
1621 (fp_model_for_fpu): Add VFPv3 field.
1622 (arm_rtx_costs_1): Give cost to VFPv3 constants.
1623 (vfp3_const_double_index): New function. Return integer index of
1624 VFPv3 constant suitable for fconst[sd] insns, or -1 if constant
1626 (vfp3_const_double_rtx): New function. True if VFPv3 is enabled
1627 and argument represents a valid RTX for a VFPv3 constant.
1628 (vfp_output_fldmd): Split fldmd with > 16 registers in the list into
1630 (vfp_emit_fstmd): Similar, for fstmd.
1631 (arm_print_operand): Implement new code 'G' for VFPv3 floating-point
1632 constants, represented as integer indices.
1633 (arm_hard_regno_mode_ok): Use VFP_REGNO_OK_FOR_SINGLE,
1634 VFP_REGNO_OK_FOR_DOUBLE macros.
1635 (arm_regno_class): Handle VFPv3 d0-d7, low, high register split.
1636 (arm_file_start): Set float-abi attribute for VFPv3, and output
1637 correct ".fpu" assembler directive.
1638 (arm_dbx_register_numbering): Add FIXME.
1639 * config/arm/arm.h (TARGET_VFP3): New macro. Target supports VFPv3.
1640 (fputype): Add FPUTYPE_VFP3.
1641 (FIXED_REGISTERS): Add 32 registers for D16-D31.
1642 (CALL_USED_REGISTERS): Likewise.
1643 (CONDITIONAL_REGISTER_USAGE): Add note about conditional definition
1644 of LAST_VFP_REGNUM. Make D16-D31 caller-saved, if present.
1645 (LAST_VFP_REGNUM): Extend available VFP registers for VFPv3.
1646 (D7_VFP_REGNUM): New.
1647 (LAST_LO_VFP_REGNUM, FIRST_HI_VFP_REGNUM, LAST_HI_VFP_REGNUM)
1648 (VFP_REGNO_OK_FOR_SINGLE, VFP_REGNO_OK_FOR_SINGLE)
1649 (VFP_REGNO_OK_FOR_DOUBLE): Define new macros.
1650 (FIRST_PSEUDO_REGISTER): Shift up to 128 to accommodate VFPv3.
1651 (REG_ALLOC_ORDER): Adjust for VFPv3.
1652 (reg_class): Add VFP_D0_D7_REGS, VFP_LO_REGS, VFP_HI_REGS.
1653 (REG_CLASS_NAMES): Add entries corresponding to VFP_D0_D7_REGS,
1654 VFP_LO_REGS, VFP_HI_REGS.
1655 (REG_CLASS_CONTENTS): Likewise. Extend contents for VFP_REGS.
1656 (IS_VFP_CLASS): Define macro.
1657 (SECONDARY_OUTPUT_RELOAD_CLASS, SECONDARY_INPUT_RELOAD_CLASS): Use
1659 (REGISTER_MOVE_COST): Likewise.
1660 * config/arm/arm-protos.h (vfp3_const_double_rtx): Add prototype.
1661 * config/arm/vfp.md (VFPCC_REGNUM): Redefine as 127.
1662 (*arm_movsi_vfp, *thumb2_movsi_vfp, *movsfcc_vfp)
1663 (*thumb2_movsfcc_vfp, *abssf2_vfp, *negsf2_vfp, *addsf3_vfp)
1664 (*subsf3_vfp, *divsf_vfp, *mulsf_vfp, *mulsf3negsf_vfp)
1665 (*mulsf3addsf_vfp, *mulsf3subsf_vfp, *mulsf3negsfaddsf_vfp)
1666 (*extendsfdf2_vfp, *truncdfsf2_vfp, *truncsisf2_vfp)
1667 (*truncsidf2_vfp, fixuns_truncsfsi2, fixuns_truncdfsi2)
1668 (*floatsisf2_vfp, *floatsidf2_vfp, floatunssisf2)
1669 (floatunssidf2, *sqrtsf2_vfp, *cmpsf_split_vfp)
1670 (*cmpsf_trap_split_vfp, *cmpsf_vfp, *cmpsf_trap_vfp): Use 't'
1671 where appropriate for single-word registers.
1672 (*movsf_vfp, *thumb2_movsf_vfp, *movdf_vfp, *thumb2_movdf_vfp):
1673 As above. Fix type attributes.
1674 * config/arm/constraints.md (register_contraint "t"): Define.
1675 (register_constraint "w"): Change to D0-D15, or D0-D31 for
1677 (register_constraint "x"): Define.
1678 (constraint "Dv"): Define.
1680 2007-07-03 Geoffrey Keating <geoffk@apple.com>
1682 * tree.h (DECL_ALIGN): Prevent use on a FUNCTION_DECL.
1684 2007-07-03 Tom Tromey <tromey@redhat.com>
1686 * c-parser.c (objc_pq_context): Removed.
1687 (objc_need_raw_identifier): Likewise.
1688 (c_parser) <objc_pq_context>: New field.
1689 <objc_need_raw_identifier>: Likewise.
1690 (OBJC_NEED_RAW_IDENTIFIER): Removed.
1691 (c_lex_one_token): Update.
1692 (c_parser_objc_protocol_definition): Update.
1693 (c_parser_objc_method_definition): Update.
1694 (c_parser_objc_methodproto): Update.
1695 (c_parser_declspecs): Update.
1697 2007-07-03 David Ung <davidu@mips.com>
1699 * config/mips/mips.c (mips_issue_rate): Return 4 for 74K processors.
1701 2007-07-03 David Ung <davidu@mips.com>
1702 Richard Sandiford <richard@codesourcery.com>
1704 * doc/invoke.texi: Document -march=74kf3_2.
1705 * config/mips/mips.h (PROCESSOR_74KF3_2): New processor_type.
1706 (TUNE_74K): Check for it.
1707 * config/mips/mips.c (mips_cpu_info): Add 74kf3_2.
1708 (mips_rtx_cost_data): Add an entry for PROCESSOR_74KF3_2.
1709 * config/mips/mips.md (cpu): Add 74kf3_2.
1710 * config/mips/74k.md (r74k_int_logical, r74k_int_arith, r74k_int_nop)
1711 (r74k_int_cmove, r74k_int_mult, r74k_int_mul3, r74k_int_mfhilo)
1712 (r74k_int_mthilo, r74k_int_div, r74k_int_call, r74k_int_jump)
1713 (r74k_int_load, r74k_int_store, r74k_unknown, r74k_multi): Add
1714 74kf3_2 to the CPU list.
1715 (r74kf3_2_fadd, r74kf3_2_fmove, r74kf3_2_fload, r74kf3_2_fstore)
1716 (r74kf3_2_fmul_sf, r74kf3_2_fmul_df, r74kf3_2_fdiv_sf)
1717 (r74kf3_2_fdiv_df, r74kf3_2_frsqrt_sf, r74kf3_2_frsqrt_df)
1718 (r74kf3_2_fcmp, r74kf3_2_fcvt, r74kf3_2_fxfer_to_c1)
1719 (r74kf3_2_fxfer_from_c1): New insn reservations.
1721 2007-07-03 Richard Sandiford <richard@codesourcery.com>
1722 David Ung <davidu@mips.com>
1724 * doc/invoke.texi: Replace -march=24kf with -march=24kf2_1 and
1725 -march=24kx with -march=24kf1_1. Likewise 24ke[fx], 34k[fx]
1726 and 74k[fx]. Document aliases for the new options.
1727 * config/mips/mips.h (PROCESSOR_24KF): Rename to...
1728 (PROCESSOR_24KF2_1): ...this.
1729 (PROCESSOR_24KX): Rename to...
1730 (PROCESSOR_24KF1_1): ...this.
1731 (PROCESSOR_74KF): Rename to...
1732 (PROCESSOR_74KF2_1): ...this.
1733 (PROCESSOR_74KX): Rename to...
1734 (PROCESSOR_74KF1_1): ...this.
1735 (TUNE_74K): Update PROCESSOR_* names.
1736 * config/mips/mips.c (mips_cpu_info): Add 24kf2_1 as a synonym
1737 for 24kf. Add 24kf1_1 and 24kfx as synonyms for 24kx. Likewise
1738 the 24ke*, 34k* and 74k* processors. Update PROCESSOR_* names.
1739 (mips_rtx_cost_data): Update processor names in comments.
1740 (mips_issue_rate): Update PROCESSOR_* names.
1741 * config/mips/mips.md (cpu): Rename 24kf to 24kf2_1, 24kx to
1742 24kf1_1, 74kf to 74kf2_1 and 74kx to 74kf1_1.
1743 * config/mips/24k.md: Rename FPU-related r24k_* insn reservations
1744 to r24kf2_1_*. Rename r24kx_* insn reservations to r24kf1_1_*.
1745 Update cpu attribute names.
1746 (r24k_fpu_iss): Rename this reservation to...
1747 (r24kf2_1_fpu_iss): ...this and update all uses.
1748 (r24kx_fpu_iss): Rename this reservation to...
1749 (r24kf1_1_fpu_iss): ...this and update all uses.
1750 * config/mips/74k.md: Rename FPU-related r74kf_* insn reservations
1751 to r74kf2_1_*. Rename r74kx_* insn reservations to r74kf1_1_*.
1752 Update cpu attribute names.
1754 2007-07-01 Kaz Kojima <kkojima@gcc.gnu.org>
1756 * config/m32r/constraints.md: New file.
1757 * config/m32r/m32r.c: Include tm-constrs.h.
1758 (small_data_operand): Use satisfies_constraint_* instead of macro.
1759 (addr24_operand, gen_compare): Likewise.
1760 * config/m32r/m32r.h (REG_CLASS_FROM_LETTER): Remove.
1761 (INT8_P, UPPER16_P, UINT32_P, UINT5_P, INVERTED_SIGNED_8BIT,
1762 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
1763 EXTRA_CONSTRAINT): Likewise.
1764 * config/m32r/m32r.md: Include constraints.md.
1765 (*movsi_insn): Use satisfies_constraint_* instead of macro.
1766 (andsi3, iorsi3, xorsi3, seq_insn+1, sne): Likewise.
1767 * config/m32r/predicates.md (conditional_move_operand): Likewise.
1768 (two_insn_const_operand, int8_operand, uint16_operand,
1769 reg_or_int16_operand, reg_or_uint16_operand,
1770 reg_or_cmp_int16_operand, cmp_int16_operand,
1771 seth_add3_operand): Likewise.
1773 2007-07-03 Eric Christopher <echristo@gmail.com>
1775 * libgcc2.h: Conditionally declare __bswapsi2 and
1778 2007-07-03 H.J. Lu <hongjiu.lu@intel.com>
1780 * ddg.c (check_sccs): Define only if ENABLE_CHECKING is
1783 2007-07-03 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1786 * gthr-posix.h [SUPPORTS_WEAK && GTHREAD_USE_WEAK]
1787 (__gthrw_pragma): Provide default definition.
1789 * gthr-posix.c (__gthrw_pragma): Define.
1791 2007-07-03 Daniel Berlin <dberlin@dberlin.org>
1793 * tree-ssa-sccvn.c (set_ssa_val_to): Check for operand_equal_p
1794 before declaring inequality.
1796 2007-07-03 Rask Ingemann Lambertsen <rask@sygehus.dk>
1798 * combine.c (recog_for_combine): Log the success or failure of
1799 matching new insn patterns against the machine description in
1802 2007-07-03 Revital Eres <eres@il.ibm.com>
1804 * ddg.c (print_sccs): New function.
1805 (check_sccs): New function.
1806 (create_ddg_all_sccs): Use it.
1807 * ddg.h (print_sccs): Declare.
1808 * modulo-sched.c (sms_order_nodes): Call print_sccs.
1810 2007-07-03 Uros Bizjak <ubizjak@gmail.com>
1812 * targhooks.h (default_mode_for_suffix): New function declaration.
1813 * targhooks.c (default_mode_for_suffix): New default target hook.
1814 * target.h (struct c): New structure in the targetm struct.
1815 (mode_for_suffix): New target hook as part of struct c.
1816 target-def.h (TARGET_C_MODE_FOR_SUFFIX): Define as
1817 default_mode_for_suffix.
1818 (TARGET_C): New define.
1819 * c-lex.c: Include "target.h".
1820 (interpret_float): Use targetm.c.mode_for_suffix to determine
1821 the mode for a given non-standard suffix.
1822 Makefile.in (c-lex.o): Depend on $(TARGET_H).
1824 * config/i386/i386.c (ix86_c_mode_for_suffix): New static function.
1825 (TARGET_C_MODE_FOR_SUFFIX): Define to ix86_c_mode_for_suffix.
1827 * doc/extend.texi (Floating Types): New node. Document __float80 and
1828 __float128 types. Document 'w', 'W', 'q' and 'Q' suffixes.
1830 2007-07-03 Kaz Kojima <kkojima@gcc.gnu.org>
1833 * config/sh/sh.md (udivsi3_i1_media): Use target_reg_operand
1834 predicate instead of target_operand.
1835 (divsi3_i1_media, divsi3_media_2): Likewise.
1837 2007-07-02 Eric Botcazou <ebotcazou@adacore.com>
1839 * tree.h (alias_sets_might_conflict_p): Rename into
1840 alias_sets_must_conflict_p.
1841 * alias.c (alias_sets_might_conflict_p): Likewise.
1842 (alias_sets_conflict_p): Use it.
1843 (objects_must_conflict_p): Likewise.
1844 * c-common.c (strict_aliasing_warning): Adjust.
1846 2007-07-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
1848 * rtlhooks.c (gen_lowpart_if_possible): Check for
1849 invalid subreg before calling gen_lowpart_SUBREG.
1851 2007-07-02 Geoffrey Keating <geoffk@apple.com>
1853 * config/darwin9.h: Add copyright notice.
1854 (LINK_COMMAND_SPEC): Add comment.
1855 (DARWIN_LIBSYSTEM_HAS_UNWIND): Define.
1856 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Conditionalise on
1857 DARWIN_LIBSYSTEM_HAS_UNWIND.
1859 2007-07-02 Jakub Jelinek <jakub@redhat.com>
1862 * omp-low.c (check_combined_parallel): New function.
1863 (lower_omp_parallel): Call it via walk_stmts, set
1864 OMP_PARALLEL_COMBINED if appropriate.
1865 (determine_parallel_type): If OMP_FOR resp. OMP_SECTIONS
1866 isn't the only statement in WS_ENTRY_BB or OMP_RETURN
1867 the only one in PAR_EXIT_BB and not OMP_PARALLEL_COMBINED,
1868 don't consider it as combined parallel.
1870 2007-07-02 Richard Sandiford <richard@codesourcery.com>
1872 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
1873 (gcc_tooldir): Likewise.
1874 * configure: Regenerate.
1875 * Makefile.in (libsubdir_to_prefix): New variable, based on the
1876 old configure.ac gcc_tooldir setting.
1877 (prefix_to_exec_prefix): New variable.
1878 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
1879 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
1881 2007-07-02 Daniel Berlin <dberlin@dberlin.org>
1883 Fix PR tree-optimization/32583
1884 Fix PR tree-optimization/32584
1885 * tree-ssa-pre.c (phi_translate): Always pass seen bitmap.
1886 (phi_translate_set): Use phi_translate directly now.
1887 (make_values_for_stmt): Don't value number RHS if we already know
1890 2007-07-02 Steve Ellcey <sje@cup.hp.com>
1891 Jim Wilson <wilson@specifix.com>
1894 * haifa-sched.c (add_to_speculative_block): Change copy_rtx to
1897 2007-07-02 Sandra Loosemore <sandra@codesourcery.com>
1898 Richard Sandiford <richard@codesourcery.com>
1899 Nigel Stephens <nigel@mips.com>
1901 * config/mips/mips-protos.h (mips16e_save_restore_info): New struct.
1902 (mips16e_output_save_restore): Declare.
1903 (mips16e_save_restore_pattern_p): Likewise.
1904 * config/mips/mips.h (GENERATE_MIPS16E_SAVE_RESTORE): New macro.
1905 * config/mips/mips.c (MIPS_MAX_FIRST_STACK_STEP): Return 0x7f8
1906 for GENERATE_MIPS16E_SAVE_RESTORE. Return 0x400 for TARGET_MIPS16
1907 && !GENERATE_MIPS16E_SAVE_RESTORE && !TARGET_64BIT.
1908 (BITSET_P): New global macro, extracted from...
1909 (mips_for_each_saved_reg): ...here.
1910 (mips16e_save_restore_info): New struct.
1911 (mips16e_s2_s8_regs, mips16e_a0_a3_regs): New variables.
1912 (mips16e_save_restore_regs): New variable.
1913 (mips_split_plus, mips16e_find_first_register): New functions.
1914 (mips16e_mask_registers): New function.
1915 (compute_frame_size): Expand the commentary before the function.
1916 Enforce the MIPS16e save and restore register range restrictions.
1917 Pad the general register save area at the low end.
1918 (mips16e_save_restore_reg, mips16e_build_save_restore)
1919 (mips16e_save_restore_pattern_p, mips16e_add_register_range)
1920 (mips16e_output_save_restore, mips16e_collect_propagate_value)
1921 (mips16e_collect_argument_save, mips16e_collect_argument_saves):
1923 (mips_expand_prologue, mips_expand_epilogue): Handle
1924 GENERATE_MIPS16E_SAVE_RESTORE.
1925 * config/mips/mips.md (*mips16e_save_restore): New pattern.
1927 2007-07-02 Uros Bizjak <ubizjak@gmail.com>
1929 PR tree-optimization/31966
1930 PR tree-optimization/32533
1931 * tree-if-conv.c (add_to_dst_predicate_list): Use "edge", not
1932 "basic_block" description as its third argument. Update function
1933 calls to get destination bb from "edge" argument. Save "cond" into
1934 aux field of the edge. Update prototype for changed arguments.
1935 (if_convertible_loop_p): Clear aux field of incoming edges if bb
1937 (find_phi_replacement_condition): Operate on incoming edges, not
1938 on predecessor blocks. If there is a condition saved in the
1939 incoming edge aux field, AND it with incoming bb predicate.
1940 Return source bb of the first edge.
1941 (clean_predicate_lists): Clean aux field of outgoing node edges.
1942 (tree_if_conversion): Do not initialize cond variable. Move
1943 variable declaration into the loop.
1944 (replace_phi_with_cond_gimple_modify_stmt): Remove unneded
1945 initializations of new_stmt, arg0 and arg1 variables.
1947 2007-07-02 Jakub Jelinek <jakub@redhat.com>
1949 * tree-nrv.c (dest_safe_for_nrv_p): Grok any handled_component_p,
1950 SSA_NAMEs, RESULT_DECLs and PARM_DECLs.
1952 2007-07-02 Richard Guenther <rguenther@suse.de>
1954 * tree-ssa.c (useless_type_conversion_p): Document
1955 future intent as defining the middle-end type system.
1956 Re-structure to call langhook last, group by type class,
1957 mark questionable parts.
1959 2007-07-02 Richard Guenther <rguenther@suse.de>
1961 * tree-flow.h (types_compatible_p): Declare.
1962 * tree-ssa.c (types_compatible_p): New function.
1963 * ipa-type-escape.c (discover_unique_type): Use
1964 types_compatible_p instead of lang_hooks.types_compatible_p.
1965 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Likewise.
1966 * tree-vn.c (expressions_equal_p): Likewise.
1967 * tree.c (fields_compatible_p): Likewise.
1968 * tree-ssa-dom.c (avail_expr_eq): Likewise.
1969 (cprop_operand): Use useless_type_conversion_p instead of
1970 lang_hooks.types_compatible_p.
1971 * tree-inline.c (setup_one_parameter): Likewise.
1972 (declare_return_variable): Likewise.
1973 * tree-nrv.c (tree_nrv): Likewise.
1974 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
1975 (maybe_fold_offset_to_component_ref): Likewise.
1976 (maybe_fold_offset_to_reference): Likewise.
1977 * tree-ssa-copy.c (may_propagate_copy): Likewise.
1978 (merge_alias_info): Likewise.
1979 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
1980 * tree-ssa-phiopt.c (conditional_replacement): Likewise.
1981 * tree-ssa-reassoc.c (optimize_ops_list): Likewise.
1982 * tree-tailcall.c (find_tail_calls): Likewise.
1983 * tree-vect-generic.c (expand_vector_operations_1): Likewise.
1984 * gimplify.c (canonicalize_addr_expr): Likewise.
1985 (fold_indirect_ref_rhs): Likewise.
1986 (gimplify_addr_expr): Likewise. Swap parameters to cpt_same_type.
1987 (cpt_same_type): Likewise.
1988 (check_pointer_types_r): Swap parameters to cpt_same_type
1990 * fold-const.c (fold_convert): Revert fix for PR15988.
1991 * tree-inline.c (setup_one_parameter): Instead fix it here by
1992 using fold_build1 instead of fold_convert and checking for
1993 error_mark_node. Convert only if the conversion is necessary.
1995 2007-07-02 Joseph Myers <joseph@codesourcery.com>
1997 * configure.ac: Check for .gnu_attribute on Power.
1998 * configure: Regenerate.
1999 * config/rs6000/rs6000.c (rs6000_file_start): If supported, output
2000 attribute for floating-point ABI.
2002 2007-07-02 Ira Rosen <irar@il.ibm.com>
2004 PR tree-optimization/32230
2005 PR tree-optimization/32477
2006 * tree-vect-analyze.c (vect_analyze_data_refs): Fail if base
2007 address is a constant.
2009 2007-07-02 Richard Sandiford <richard@codesourcery.com>
2011 * config.gcc (mipsisa32-*-elf*, mipsisa32el-*-elf*)
2012 (mipsisa32r2-*-elf*, mipsisa32r2el-*-elf*)
2013 (mipsisa64-*-elf*, mipsisa64el-*-elf*): Combine top-level
2014 stanzas. Use the first part of the triplet to set MIPS_ISA_DEFAULT.
2015 Remove redundant setting of MASK_FLOAT64 and MASK_64BIT for the
2016 64-bit targets. Add support for *-elfoabi*.
2017 * config/mips/t-isa3264 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Use
2018 different settings if $(tm_defines) does not select the EABI.
2019 (MULTILIB_EXCLUSIONS): Define in those circumstances.
2020 * config/mips/mips.h (MIPS_ISA_LEVEL_OPTION_SPEC): New macro.
2021 (MIPS_ARCH_OPTION_SPEC): Likewise.
2022 (MIPS_ISA_LEVEL_SPEC): Likewise.
2023 (OPTION_DEFAULT_SPECS): Use MIPS_ARCH_OPTION_SPEC.
2024 * config/mips/elfoabi.h: New file.
2026 2007-07-02 Richard Guenther <rguenther@suse.de>
2028 * tree-flow.h (tree_ssa_useless_type_conversion_1): Rename to ...
2029 (useless_type_conversion_p): ... this.
2030 * tree-ssa.c (tree_ssa_useless_type_conversion_1): Rename to ...
2031 (useless_type_conversion_p): ... this.
2032 * builtins.c (fold_builtin_memory_op): Rename
2033 tree_ssa_useless_type_conversion_1 to useless_type_conversion_p.
2034 * tree-cfg.c (verify_expr): Likewise.
2035 * tree-ssa-address.c (tree_ssa_useless_type_conversion_1): Likewise.
2036 * tree-ssa-ccp.c (ccp_fold): Likewise.
2037 * tree-ssa-copy.c (may_propagate_copy): Likewise.
2038 * tree-ssa-dom.c (eliminate_redundant_computations): Likewise.
2039 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Likewise.
2040 * tree-ssa-loop-niter.c (refine_bounds_using_guard): Likewise.
2041 * tree-ssa-pre.c (eliminate): Likewise.
2042 * tree-ssa.c (delete_tree_ssa): Likewise.
2043 (tree_ssa_useless_type_conversion): Likewise.
2044 * tree.c (build2_stat): Likewise.
2046 2007-07-01 Daniel Berlin <dberlin@dberlin.org>
2048 Fix PR tree-optimization/32571
2049 * tree-ssa-sccvn.c (visit_use): Shortcut copies to avoid
2052 2007-07-01 Daniel Berlin <dberlin@dberlin.org>
2054 * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle constants
2055 and other expected operations explicitly, change default to
2058 2007-07-01 Daniel Jacobowitz <dan@codesourcery.com>
2060 * config/arm/arm.c (arm_cannot_copy_insn_p): Do not expect a
2062 * config/arm/arm.md (pic_add_dot_plus_four, pic_add_dot_plus_eight)
2063 (tls_load_dot_plus_eight): Move the label number into the unspec.
2064 * config/arm/thumb2.md (pic_load_dot_plus_four): Likewise.
2066 2007-07-01 Andreas Schwab <schwab@suse.de>
2068 * dwarf2out.c (initial_return_save): Define only if used.
2070 2007-07-01 Kenneth Zadeck <zadeck@naturalbridge.com>
2072 Unreverting Richard's Revert of:
2074 2007-06-27 Richard Sandiford <richard@codesourcery.com>
2076 * dce.c (deletable_insn_p_1): New function, split out from...
2077 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
2078 specially, not those inside PARALLELs. Remove BODY argument
2079 and adjust recursive call accordingly.
2080 (prescan_insns_for_dce): Update call to delete_insn_p.
2082 2007-07-01 Vladimir Yanovsky <yanov@il.ibm.com>
2083 Revital Eres <eres@il.ibm.com>
2085 * ddg.c (create_ddg_all_sccs): Fix missed
2086 initialization of scc_nodes.
2088 2007-07-01 Uros Bizjak <ubizjak@gmail.com>
2091 * fold-const.c (fold-binary) [PLUS_EXPR]: Convert ~X + X to 1 or
2092 X + ~X to 1 only for INTEGRAL_TYPE_P type.
2094 2007-06-30 Joseph Myers <joseph@codesourcery.com>
2096 * configure.ac: Check for .gnu_attribute on MIPS.
2097 * configure, config.in: Regenerate.
2098 * config/mips/mips.c (mips_file_start): If supported, output
2099 attribute for floating-point ABI.
2101 2007-06-30 Uros Bizjak <ubizjak@gmail.com>
2104 * config/i386/i386.md (ffssi2): Expand as ffs_cmove for TARGET_CMOVE.
2105 (ffs_cmove): New expander to expand using ctz pattern.
2106 (*ffs_cmove): Remove pattern.
2107 (*ffs_no_cmove): Enable only for !TARGET_CMOVE.
2108 (ffsdi2): Expand using ctz pattern.
2109 (*ffs_rex64): Remove pattern.
2111 2007-06-30 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2113 PR rtl-optimization/32296
2114 * pa.md (return): Delete pattern.
2115 (return_internal): Remove "(const_int 1)" from pattern.
2116 (epilogue): Use return_internal pattern for trivial returns.
2117 * pa-protos.h (hppa_can_use_return_insn_p): Delete declaration.
2118 * pa.c (hppa_can_use_return_insn_p): Delete function. Include "df.h".
2120 2007-06-30 Daniel Berlin <dberlin@dberlin.org>
2122 * tree-ssa-pre.c (is_exception_related): New function
2123 (can_value_number_operation): Use it.
2125 2007-06-30 Daniel Berlin <dberlin@dberlin.org>
2127 Fix PR tree-optimization/32540
2128 Fix PR tree-optimization/31651
2130 * tree-ssa-sccvn.c: New file.
2132 * tree-ssa-sccvn.h: Ditto.
2134 * tree-vn.c: Include tree-ssa-sccvn.h
2135 (val_expr_paid_d): Removed.
2136 (value_table): Ditto.
2137 (vn_compute): Ditto.
2138 (val_expr_pair_hash): Ditto.
2139 (val_expr_pair_expr_eq): Ditto.
2140 (copy_vuses_from_stmt): Ditto.
2143 (shared_vuses_from_stmt): Ditto.
2144 (print_creation_to_file): Moved up.
2145 (sort_vuses): Ditto.
2146 (sort_vuses_heap): Ditto.
2147 (set_value_handle): Make non-static.
2148 (make_value_handle): Ditto.
2149 (vn_add): Rewritten to use sccvn lookups.
2150 (vn_add_with_vuses): Ditto.
2151 (vn_lookup): Ditto (and second argument removed).
2152 (vn_lookup_with_vuses): Ditto.
2153 (vn_lookup_or_add): Ditto (and second argument removed);
2154 (vn_lookup_or_add_with_vuses): Ditto.
2155 (vn_lookup_with_stmt): New.
2156 (vn_lookup_or_add_with_stmt): Ditto.
2157 (create_value_handle_for_expr): Ditto.
2159 * tree-ssa-pre.c: Include tree-ssa-sccvn.h.
2160 (seen_during_translate): New function.
2161 (phi_trans_lookup): Use iterative_hash_expr, not vn_compute.
2162 (phi_trans_add): Ditto.
2163 (constant_expr_p): FIELD_DECL is always constant.
2164 (phi_translate_1): Renamed from phi_translate, add seen bitmap.
2165 Use constant_expr_p.
2166 Avoid infinite recursion on mutually valued expressions.
2167 Change callers of vn_lookup_or_add.
2168 (phi_translate): New function.
2169 (compute_antic_safe): Allow phi nodes.
2170 (create_component_ref_by_pieces): Update for FIELD_DECL change.
2171 (find_or_generate_expression): Rewrite slightly.
2172 (create_expression_by_pieces): Updated for vn_lookup_or_add
2174 Update VN_INFO for new names.
2175 (insert_into_preds_of_block): Update for new names.
2176 (add_to_exp_gen): New function.
2177 (add_to_sets): Use vn_lookup_or_add_with_stmt.
2178 (find_existing_value_expr): Rewrite to changed vn_lookup.
2179 (create_value_expr_from): Ditto, and use add_to_exp_gen.
2180 (try_look_through_load): Removed.
2181 (try_combine_conversion): Ditto.
2182 (get_sccvn_value): New function.
2183 (make_values_for_phi): Ditto.
2184 (make_values_for_stmt): Ditto.
2185 (compute_avail): Rewritten for vn_lookup_or_add changes and to use
2187 (init_pre): Update for SCCVN changes.
2189 (execute_pre): Ditto.
2191 * tree-flow.h (make_value_handle): Declare.
2192 (set_value_handle): Ditto.
2193 (sort_vuses_heap): Ditto.
2194 (vn_lookup_or_add_with_stmt): Ditto.
2195 (vn_lookup_with_stmt): Ditto.
2196 (vn_compute): Remove.
2199 (vn_lookup): Update arguments.
2201 * Makefile.in (tree-ssa-pre.o): Add tree-ssa-sccvn.h
2203 (tree-ssa-sccvn.o): New.
2204 (OBJS-common): Add tree-ssa-sccvn.o
2206 2007-06-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
2209 * c-typeck.c (build_external_ref): Don't mark as used if called
2211 * calls.c (rtx_for_function_call): Likewise.
2213 2007-06-30 Richard Sandiford <richard@codesourcery.com>
2217 2007-06-27 Richard Sandiford <richard@codesourcery.com>
2219 * dce.c (deletable_insn_p_1): New function, split out from...
2220 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
2221 specially, not those inside PARALLELs. Remove BODY argument
2222 and adjust recursive call accordingly.
2223 (prescan_insns_for_dce): Update call to delete_insn_p.
2225 2007-06-30 Rask Ingemann Lambertsen <rask@sygehus.dk>
2227 * combine.c (combine_validate_cost): New parameter NEWOTHERPAT.
2228 (try_combine): Move potential calls to undo_all() so they happen
2229 before we commit to using the combined insns.
2231 2006-06-30 Jan Hubicka <jh@suse.cz>
2233 * loop-unroll.c (unroll_loop_runtime_iterations): Unshare newly emit
2236 2006-06-30 Thomas Neumann <tneumann@users.sourceforge.net>
2238 * ipa.c (cgraph_postorder): Cast according to the coding conventions.
2239 (cgraph_remove_unreachable_nodes): Likewise.
2240 * ipa-cp.c (ipcp_propagate_stage): Use BOTTOM instead of integer 0.
2241 * ipa-inline.c (update_caller_keys): Cast according to the coding
2243 (cgraph_decide_recursive_inlining): Likewise.
2244 (cgraph_decide_inlining_of_small_function): Likewise.
2245 (try_inline): Likewise.
2246 (cgraph_decide_inlining_incrementally): Likewise.
2247 * ipa-pure-const.c (get_function_state): Likewise.
2248 (scan_function): Likewise.
2249 (analyze_function): Likewise.
2250 (static_execute): Likewise.
2251 * gcc/ipa-reference.c (scan_for_static_refs): Likewise.
2252 (merge_callee_local_info): Likewise.
2253 (analyze_function): Use type safe memory macros.
2254 (static_execute): Likewise. Cast according to the coding conventions.
2255 * ipa-type-escape.c (scan_for_regs): Cast according to the coding
2257 * ipa-utils.c (searchc): Likewise. Avoid using C++ keywords as variable
2259 (ipa_utils_reduced_inorder): Likewise. Use type safe memory macros.
2260 * ipa-utils.h (struct ipa_dfa_info): Avoid using C++ keywords as
2263 2007-06-29 Andrew Pinski <andrew_pinski@playstation.sony.com>
2266 * emit-rtl.c (init_emit_once): Intilize const_tiny_rtx[0]
2267 for complex modes (both int and real).
2269 2007-06-29 Jan Hubicka <jh@suse.cz>
2271 * cse.c: Rever accidentally comitted TODO_verify_rtl_sharing change.
2273 2007-06-29 Jan Hubicka <jh@suse.cz>
2276 * cse.c (cse_insn): Avoid invalid sharing in between register note and
2279 2007-06-29 Anatoly Sokolov <aesok@post.ru>
2282 * config/avr/avr.c: Include dataflow header file.
2283 (expand_prologue): Adjust for prologue insn change.
2284 * config/avr/avr.md (call_prologue_saves): Only modify REG_SP once
2287 2007-06-29 Richard Guenther <rguenther@suse.de>
2290 * gimplify.c (gimplify_call_expr): Ignore variable argument parts
2291 during type verification.
2293 2007-06-29 Jan Hubicka <jh@suse.cz>
2295 * recog.c (validate_change_rtx_1): Unshare TO argument.
2297 2007-06-29 Uros Bizjak <ubizjak@gmail.com>
2299 PR tree-optimization/24659
2300 * tree-vect-transform.c (vectorizable_call): Handle
2301 (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
2303 * config/i386/sse.md (vec_pack_sfix_v2df): New expander.
2304 * config/i386/i386.c (enum ix86_builtins)
2305 [IX86_BUILTIN_VEC_PACK_SFIX]: New constant.
2306 (struct bdesc_2arg) [__builtin_ia32_vec_pack_sfix]: New builtin
2308 (ix86_init_mmx_sse_builtins): Define all builtins with 2 arguments as
2309 const using def_builtin_const.
2310 (ix86_expand_binop_builtin): Remove bogus assert() that insn wants
2311 input operands in the same modes as the result.
2312 (ix86_builtin_vectorized_function): Handle BUILT_IN_LRINT.
2314 2007-06-29 Richard Sandiford <rsandifo@nildram.co.uk>
2316 * df-problems.c (df_set_unused_notes_for_mw): Fix formatting.
2317 (df_set_dead_notes_for_mw): Likewise.
2319 2007-06-29 Eric Botcazou <ebotcazou@adacore.com>
2321 * c-common.c (pointer_int_sum): Do the negation in sizetype.
2323 2007-06-28 DJ Delorie <dj@redhat.com>
2325 * config/m32c/m32c.h (OVERRIDE_OPTIONS): Omit unneeded semicolon.
2327 2007-06-28 Geoffrey Keating <geoffk@apple.com>
2329 * doc/invoke.texi (C++ Dialect Options): Document
2330 fvisibility-ms-compat.
2331 * c.opt (fvisibility-ms-compat): New.
2333 2007-06-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
2336 * tree-affine.c (aff_combination_add_elt): Handle
2337 pointer addition specially.
2339 2007-06-28 Jakub Jelinek <jakub@redhat.com>
2341 * config/rs6000/rs6000.c (rs6000_function_ok_for_sibcall): Ensure
2342 decl is non-external for AIX ABI.
2344 2007-06-28 David Edelsohn <edelsohn@gnu.org>
2346 * config/rs6000/predicates.md (current_file_function_operand):
2347 Ensure the symbol is non-external for AIX ABI.
2349 2007-06-28 Nick Clifton <nickc@redhat.com>
2351 * common.opt (fipa-matrix-reorg): Add Optimization attribute.
2352 (fdce, fdse, fpredictive-commoning): Likewise.
2354 2007-06-28 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
2357 * gcc.c (process_command): Recognize the new -static-libgfortran
2360 2007-06-27 Rask Ingemann Lambertsen <rask@sygehus.dk>
2363 * config/m32c/m32c.c (m32c_eh_return_stackadj_rtx): Dataflow fix:
2364 Use a call clobbered hard reg instead of a pseudo reg.
2366 2007-06-27 Kaz Kojima <kkojima@gcc.gnu.org>
2368 * config/sh/sh.md (load_gbr): Use correct operand constraint.
2370 2007-06-27 Kaz Kojima <kkojima@gcc.gnu.org>
2373 * config/sh/sh.md (udivsi3): Don't wrap the sequence with
2374 REG_LIBCALL and REG_RETVAL notes.
2375 (divsi3, mulsi3): Likewise.
2376 (mulhisi3): Likewise. Use emit_libcall_block.
2377 (umulhisi3, smulsi3_highpart, umulsi3_highpart_i): Likewise.
2379 2007-06-27 Seongbae Park <seongbae.park@gmail.com>
2381 PR rtl-optimization/32481
2382 * combine.c (adjust_for_new_dest): Rescan the changed insn.
2384 2007-06-27 Richard Sandiford <richard@codesourcery.com>
2386 * dce.c (deletable_insn_p_1): New function, split out from...
2387 (deletable_insn_p): ...here. Only treat bare USEs and CLOBBERs
2388 specially, not those inside PARALLELs. Remove BODY argument
2389 and adjust recursive call accordingly.
2390 (prescan_insns_for_dce): Update call to delete_insn_p.
2392 2007-06-27 Richard Guenther <rguenther@suse.de>
2395 * tree.h (fold_convertible_p): Declare.
2396 * fold-const.c (fold_convertible_p): New function.
2397 * gimplify.c (gimplify_call_expr): Use fold_convertible_p
2398 instead of lang_hooks.types_compatible_p.
2400 2007-06-26 Jan Hubicka <jh@suse.cz>
2402 * fwprop.c (try_fwprop_subst): Use validate_unshare_change.
2403 * postreload.c (reload_cse_simplify_set): Instead of copying the rtx
2404 early use validate_unshare_change.
2405 (reload_combine): Likewise.
2406 * recog.c (change_t): New field unshare.
2407 (validate_change_1): Rename from validate_change; add argument unshare.
2408 (validate_change): Turn into wrapper of validate_change_1; update
2409 prototype for bools.
2410 (validate_unshare_change): New.
2411 (confirm_change_group): Unshare changes if asked for; avoid unnecesary
2412 calls of df_insn_rescan.
2413 * recog.h (validate_change): Replace ints by bools.
2414 (validate_unshare_change): Declare.
2416 2007-06-26 Kenneth Zadeck <zadeck@naturalbridge.com>
2418 * tree.def (VEC_WIDEN_MULT_LO_EXPR): Corrected string name.
2420 2007-06-26 Steve Ellcey <sje@cup.hp.com>
2422 * builtins.c (expand_builtin_next_arg): Change Pmode to ptr_mode.
2424 2007-06-25 Jan Hubicka <jh@suse.cz>
2426 * ipa-inline.c (cgraph_mark_inline): Assert that we never inline
2428 (cgraph_decide_inlining_of_small_function, cgraph_decide_inlining,
2429 cgraph_decide_inlining_incrementally): Move uninlinability checks to
2430 places other call site specific checks are performed.
2432 2007-06-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
2435 * tree-vect-transform.c (vectorizable_operation): Convert
2436 POINTER_PLUS_EXPR over to PLUS_EXPR.
2438 2007-06-25 Chao-ying Fu <fu@mips.com>
2440 * doc/rtl.texi (Machine Modes): Document QQ, HQ, SQ, DQ, TQ,
2441 UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA, USA, UDA, and UTAmodes.
2442 Document MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM.
2443 Document GET_MODE_IBIT, and GET_MODE_FBIT.
2445 * machmode.h (VECTOR_MODE_P): Test MODE_VECTOR_FRACT,
2446 MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
2447 (SCALAR_FRACT_MODE_P, SCALAR_UFRACT_MODE_P, ALL_SCALAR_FRACT_MODE_P,
2448 SCALAR_ACCUM_MODE_P, SCALAR_UACCUM_MODE_P, ALL_SCALAR_ACCUM_MODE_P,
2449 SIGNED_SCALAR_FIXED_POINT_MODE_P, UNSIGNED_SCALAR_FIXED_POINT_MODE_P,
2450 ALL_SCALAR_FIXED_POINT_MODE_P, FRACT_MODE_P, UFRACT_MODE_P,
2451 ALL_FRACT_MODE_P, ACCUM_MODE_P, UACCUM_MODE_P, ALL_ACCUM_MODE_P,
2452 SIGNED_FIXED_POINT_MODE_P, UNSIGNED_FIXED_POINT_MODE_P,
2453 ALL_FIXED_POINT_MODE_P): New define.
2454 (CLASS_HAS_WIDER_MODES_P): Test MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
2456 (GET_MODE_IBIT, GET_MODE_FBIT): New define.
2458 * mode-classes.def (MODE_FRACT, MODE_UFRACT, MODE_ACCUM, MODE_UACCUM,
2459 MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
2460 MODE_VECTOR_UACCUM): New mode classes.
2462 * machmode.def: Document FRACT_MODE, UFRACT_MODE, ACCUM_MODE,
2463 UACCUM_MODE, ADJUST_IBIT, and ADJUST_FBIT.
2464 Add QQ, HQ, SQ, DQ, TQ, UQQ, UHQ, USQ, UDQ, UTQ, HA, SA, DA, TA, UHA,
2467 * genmodes.c (struct mode_data): Add ibit and fbit fields.
2468 (blank_mode): Initialize ibit and fbit.
2469 (adj_ibit, adj_fbit): New to adjust ibit and fbit.
2470 (vector_class): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
2472 (new_adjust): Change required_class to required_class_from and
2473 required_class_to for testing within a range.
2474 (complete_mode): Handle MODE_FRACT, MODE_UFRACT, MODE_ACCUM,
2475 MODE_UACCUM, MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT, MODE_VECTOR_ACCUM,
2477 (FRACT_MODE, UFRACT_MODE, ACCUM_MODE, UACCUM_MODE): New define.
2478 (make_fixed_point_mode): New.
2479 (_ADD_ADJUST): Change C to C1 and C2.
2480 (ADJUST_BYTESIZE, ADJUST_ALIGNMENT, ADJUST_FLOAT_FORMAT): Change to
2481 use a range for machine classes.
2482 (ADJUST_IBIT, ADJUST_FBIT): New.
2483 (emit_insn_modes_h): Output defines of CONST_MODE_IBIT and
2485 (emit_mode_adjustments): Handle MODE_VECTOR_FRACT, MODE_VECTOR_UFRACT,
2486 MODE_VECTOR_ACCUM, MODE_VECTOR_UACCUM.
2487 Emit adjustment for ibit and fbit.
2488 (emit_mode_ibit, emit_mode_fbit): New.
2489 (emit_insn_modes_c): Add emit_mode_ibit and emit_mode_fbit.
2491 2007-06-25 Nathan Froyd <froydnj@codesourcery.com>
2493 * config/rs6000/spe.md (*frob_ti_tf_2): Specify an input_operand
2494 as the source of the set.
2496 2007-06-25 Roman Zippel <zippel@linux-m68k.org>
2498 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P,
2499 FP_REGNO_P): Use IN_RANGE.
2500 (REGNO_OK_FOR_DATA_P, REGNO_OK_FOR_FP_P): Remove.
2501 (REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): New.
2502 (DATA_REG_P): Use DATA_REGNO_P.
2503 (FP_REG_P): Use FP_REGNO_P.
2504 (ADDRESS_REG_P): Use ADDRESS_REGNO_P.
2505 * config/m68k/m68k.c (m68k_legitimate_base_reg_p): Use
2506 REGNO_OK_FOR_INDEX_NONSTRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P.
2508 2007-06-24 Jan Hubicka <jh@suse.cz>
2511 * cgraphunit.c (cgraph_analyze_function): Fix ordering problem.
2513 2007-06-24 Sebastian Pop <sebpop@gmail.com>
2516 * fold-const.c (fold_binary): Strip nops of operand 0
2517 of BIT_NOT_EXPR before calling operand_equal_p.
2518 * testsuite/gcc.dg/tree-ssa/pr32461-1.c: New.
2519 * testsuite/gcc.dg/tree-ssa/pr32461-2.c: New.
2521 2007-06-23 Mark Mitchell <mark@codesourcery.com>
2523 * doc/extend.texi: Document that dllimport and dllexport imply
2525 * tree.c (handle_dll_attribute): Set DECL_VISIBILITY on the
2526 imported or exported declaration, including type declarations.
2527 * c-common.c (handle_visibility_attribute): Check for conflicts
2528 with dllimport/dllexport.
2529 (c_determine_visibility): Handle dllimport/dllexport as an
2530 explicit visibility atttribute.
2532 2007-06-23 Richard Guenther <rguenther@suse.de>
2534 PR tree-optimization/16876
2536 * tree.h (CALL_CANNOT_INLINE_P): New macro to access static_flag
2538 * tree-inline.c (initialize_inlined_parameters): Do not call
2539 lang_hooks.tree_inlining.convert_parm_for_inlining.
2540 * cgraphbuild.c (initialize_inline_failed): Set inline failed
2541 reason for mismatched types.
2542 * gimplify.c (gimplify_call_expr): Verify the call expression
2543 arguments match the called function type signature. Otherwise
2544 mark the call expression to be not considered for inlining
2545 using CALL_CANNOT_INLINE_P flag.
2546 * ipa-inline.c (cgraph_mark_inline): Honor CALL_CANNOT_INLINE_P on the
2547 edges call expression.
2548 (cgraph_decide_inlining_of_small_function): Likewise.
2549 (cgraph_decide_inlining): Likewise.
2550 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING):
2552 * c-tree.h (c_convert_parm_for_inlining): Remove declaration.
2553 * c-typeck.c (c_convert_parm_for_inlining): Remove.
2554 * langhooks-def.h (lhd_tree_inlining_convert_parm_for_inlining):
2556 (LANG_HOOKS_TREE_INLINING_CONVERT_PARM_FOR_INLINING): Remove define.
2557 * langhooks.c (lhd_tree_inlining_convert_parm_for_inlining):
2559 * langhooks.h (struct lang_hooks_for_tree_inlining): Remove
2560 convert_parm_for_inlining member.
2562 2007-06-23 Richard Earnshaw <rearnsha@arm.com>
2565 * arm.md (negscc): Match the correct operand for optimized LT0 test.
2566 Remove optimization for GT.
2568 2007-06-23 Kenneth Zadeck <zadeck@naturalbridge.com>
2571 * dce.c (deletable_insn_p): Add extra parameter and recurse if insn
2573 (prescan_insns_for_dce): Add extra parameter.
2575 2007-06-23 Jan Hubicka <jh@suse.cz>
2578 * gimplify.c (mark_addressable): New function.
2579 (gimplify_modify_expr_rhs, gimplify_addr_expr, gimplify_expr): Use it.
2581 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
2584 * expr.c (store_constructor): Do not clobber non-zeroed memory.
2586 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
2589 * config/i386/i386.c (ix86_register_move_cost): Rise the cost of
2590 moves between MMX/SSE registers to at least 8 units to prevent
2591 ICE caused by non-tieable SI/HI/QImodes in SSE registers.
2593 2007-06-22 Uros Bizjak <ubizjak@gmail.com>
2595 * config/i386/i386.c (override_options): Correct x86_sahf
2598 2007-06-21 David Daney <ddaney@avtrex.com>
2601 * config/mips/mips.md (define_constants): Rename UNSPEC_EH_RECEIVER
2602 to UNSPEC_NONLOCAL_GOTO_RECEIVER globally.
2603 (exception_receiver): Renamed to ...
2604 (nonlocal_goto_receiver): ... this.
2606 2007-06-22 Roman Zippel <zippel@linux-m68k.org>
2608 * df-scan.c (df_read_modify_subreg_p): Use REGMODE_NATURAL_SIZE.
2609 (df_def_record_1): Set (DF_REF_READ_WRITE | DF_REF_PARTIAL) for
2610 partial register accesses.
2612 2007-06-21 Adam Nemet <anemet@caviumnetworks.com>
2614 * fold-const.c (debug_fold_checksum): Move it under
2615 ENABLE_FOLD_CHECKING.
2617 2007-06-21 Sebastian Pop <sebpop@gmail.com>
2620 * tree.h (debug_fold_checksum): Declared.
2621 * fold-const.c (build_fold_addr_expr_with_type_1): New.
2622 (build_fold_addr_expr_with_type, build_fold_addr_expr): Use
2623 build_fold_addr_expr_with_type_1.
2624 (fold_addr_expr, debug_fold_checksum): New.
2625 (fold_checksum_tree): Don't fold TREE_CHAIN of an SSA_NAME.
2626 (fold_unary, fold_comparison, split_address_to_core_and_offset):
2629 2007-06-21 Sebastian Pop <sebpop@gmail.com>
2631 PR tree-optimization/19590
2632 * tree-vrp.c (adjust_range_with_scev): Set the range when the result
2633 of scev is a constant.
2634 * gcc/testsuite/gcc.dg/tree-ssa/pr19590.c: New.
2636 2007-06-21 Kenneth Zadeck <zadeck@naturalbridge.com>
2638 * df-problems.c (df_note_bb_compute): Made computation of live
2639 info consistent with df_lr.
2641 2007-06-21 Richard Guenther <rguenther@suse.de>
2643 PR tree-optimization/32453
2644 * tree-vrp.c (extract_range_from_assert): Build POINTER_PLUS_EXPR
2645 for pointer anti-range.
2647 2007-06-21 H.J. Lu <hongjiu.lu@intel.com>
2649 * config/i386/i386.c (processor_target_table): Increase maximum
2650 skip from 7 byte to 10 byte for Pentium Pro, Core 2 Duo and
2653 * config/i386/linux.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Ensure 8
2654 byte alignment if > 8 byte alignment is preferred.
2655 * config/i386/x86-64.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Likewise.
2657 2007-06-21 Jakub Jelinek <jakub@redhat.com>
2659 PR tree-optimization/31866
2660 * tree-ssa-coalesce.c (create_outofssa_var_map): Do nothing
2661 if ASM_EXPR's input is not a SSA_NAME.
2664 * omp-low.c (lookup_decl_in_outer_ctx): Don't ICE if t is NULL,
2665 but decl is a global var, instead return decl.
2666 * gimplify.c (gimplify_adjust_omp_clauses_1): Add shared clauses
2667 even for is_global_var decls, if they are private in some outer
2670 2007-06-21 Richard Guenther <rguenther@suse.de>
2672 PR tree-optimization/32451
2673 * tree-ssa-threadupdate.c (thread_single_edge): Fixup edge flags.
2675 2007-06-21 Christian Bruel <christian.bruel@st.com>
2677 * config/sh/sh-protos.h (sh_loads_bankedreg_p): Declare.
2678 * config/sh/sh.c (sh_loads_bankedreg_p): New function.
2679 (push_regs): Changed saving order or banked registers.
2680 (sh_expand_epilogue): Likewise.
2681 * config/sh/sh.h (BANKED_REGISTER_P): New macro.
2682 (FIRST_BANKED_REG): Likewise.
2683 (LAST_BANKED_REG): Likewise.
2684 * config/sh/sh.md (banked) New attribute.
2685 (in_delay_slot): Check banked attribute.
2687 2007-06-20 Sebastian Pop <sebpop@gmail.com>
2689 PR tree-optimization/32075
2690 * tree-data-ref.c (subscript_dependence_tester_1,
2691 analyze_miv_subscript, analyze_overlapping_iterations,
2692 add_distance_for_zero_overlaps, build_classic_dist_vector,
2693 subscript_dependence_tester_1, analyze_overlapping_iterations,
2694 subscript_dependence_tester, access_functions_are_affine_or_constant_p,
2695 compute_affine_dependence, compute_all_dependences): Pass loop_nest
2696 to evolution_function_is_affine_multivariate_p.
2698 2007-06-20 Eric Botcazou <ebotcazou@libertysurf.fr>
2700 * df-scan.c (df_get_call_refs): Be prepared for MEMs inside CLOBBERs.
2702 2007-06-20 Rask Ingemann Lambertsen <rask@sygehus.dk>
2705 * config/m32c/m32c.c (m32c_emit_epilogue): Use new HImode epilogue
2707 * config/m32c/prologue.md (epilogue_exitd_16): New.
2708 (epilogue_reit_16): New.
2709 (epilogue_exitd): Rename to epilogue_exitd_24.
2710 (epilogue_reit): Rename to epilogue_reit_24.
2712 2007-06-20 Seongbae Park <seongbae.park@gmail.com>
2713 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2715 * dbgcnt.def (global_alloc_at_func, global_alloc_at_reg):
2717 * haifa-sched.c (queue_to_ready): Don't requeue next insn
2718 if dbg_cnt (sched_insn) reaches the limit.
2719 (choose_ready): New parameter INSN_PTR and new return value.
2720 (schedule_block): Handle dbg_cnt (sched_insn). Handle
2721 the new return value from choose_ready.
2722 * global.c (global_aloc): New dbgcnt global_alloc_at_reg.
2723 (rest_of_handle_global_alloc): New global_alloc_at_func.
2725 2007-06-20 Adam Nemet <anemet@caviumnetworks.com>
2727 PR tree-optimization/25737
2728 * tree.h (struct tree_struct_field_tag): Add new field alias_set.
2729 (SFT_NONADDRESSABLE_P, SFT_ALIAS_SET): New macros.
2730 * tree-flow.h (struct fieldoff): Add new field alias_set.
2731 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Add new
2732 argument addressable_type. Set alias_set of fieldoff.
2733 * tree-ssa-alias.c (create_sft): Add new argument alias_set.
2734 (create_overlap_variables_for): Pass alias_set from fieldoff to
2736 * alias.c (get_alias_set): Use alias_set from SFT if set.
2738 2007-06-20 Hui-May Chang <hm.chang@apple.com>
2740 * config/i386/darwin.h (ASM_OUTPUT_COMMON): Print the size
2741 of a variable as an unsigned HOST_WIDE_INT integer.
2743 2007-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2745 PR rtl-optimization/32405
2746 * loop-iv.c (iv_get_reaching_def): Fail for partial defs.
2748 2007-06-20 Jakub Jelinek <jakub@redhat.com>
2750 * Makefile.in (omega.o): Depend on $(DIAGNOSTIC_H).
2753 * builtins.c: Include diagnostic.h.
2754 (expand_builtin_expect): Make gcc_assert more permissive.
2755 * Makefile.in (builtins.o): Depend on $(DIAGNOSTIC_H).
2758 * gimplify.c (gimplify_asm_expr): Issue error if type is addressable
2762 * calls.c (precompute_arguments): Also precompute CALL_EXPR arguments
2763 if ACCUMULATE_OUTGOING_ARGS.
2765 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
2767 * config/m68hc11/m68hc11.c: Include dataflow header file.
2768 (m68hc11_reorg): Port to dataflow.
2770 2007-06-19 Kenneth Zadeck <zadeck@naturalbridge.com>
2772 * df.h (DF_FIRST_OPTIONAL_PROBLEM): Removed.
2773 (struct df_problem.free_blocks_on_set_blocks): New field.
2774 (struct dataflow.optional_p): New field.
2775 (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
2776 (df_live_set_all_dirty): New function.
2777 * df-scan.c (df_scan_alloc): Initialize optional_p.
2778 (problem_SCAN): Initialize free_blocks_on_set_blocks.
2779 * df-core.c (df_set_blocks): Removed use of
2780 DF_FIRST_OPTIONAL_PROBLEM. Now uses
2781 df_problem.free_blocks_on_set_blocks to determine which blocks are
2783 (df_remove_problem): Removed use of DF_FIRST_OPTIONAL_PROBLEM.
2784 (df_finish_pass): Removed use of DF_FIRST_OPTIONAL_PROBLEM. Now
2785 uses dataflow.optional_p to determine if problem should be
2787 (rest_of_handle_df_initialize): Only start live problem if
2789 (df_bb_regno_last_use_find, df_insn_regno_def_p): Removed.
2790 * df-problems.c (df_ru_alloc, df_rd_alloc, df_lr_alloc,
2791 df_live_alloc, df_urec_alloc, df_note_alloc): set optional_p.
2792 (problem_RU, problem_RD, problem_LR, problem_UREC, problem_CHAIN,
2793 problem_NOTE): Initialize free_blocks_on_set_blocks.
2794 (df_lr_bb_local_compute): Recompute luids if df_live problem is
2796 (df_live_set_all_dirty, df_note_alloc): New function.
2797 * regrename.c (merge_overlapping_regs): Change DF_LIVE_* to
2799 * sched_ebb.c (compute_jump_reg_dependencies): Ditto.
2800 * postreload.c (reload_combine): Ditto.
2801 * cse.c (cse_extended_basic_block): Ditto.
2802 * regmove.c (mark_flags_life_zones): Ditto.
2803 * rtlfactoring.c (split_blocks_after_seqs, split_pattern_seq,
2804 erase_matching_seqs): Ditto.
2805 * bt-load.c (compute_defs_uses_and_gen): Ditto.
2806 * integrate (allocate_initial_values): Ditto.
2807 * combine.c (reg_dead_at_p): Ditto.
2808 * resource.c (mark_target_live_regs): Ditto.
2809 * sched-rgn.c (check_live_1, update_live_1): Ditto.
2810 * config/sh/sh.c (find_r0_life_regions): Ditto.
2811 * global.c (rest_of_handle_global_alloc): Only add back df_live
2813 * local-alloc.c (rest_of_handle_local_alloc): Only remove
2815 * ifcvt.c (dead_or_predicable): Change DF_LIVE_* to
2817 (if_convert): Make sure df_live is there at -O == 1.
2818 (pass_if_after_combine): Cleanup flags.
2819 * init-regs.c (initialize_uninitialized_regs): Make sure df_live
2820 is there at -O == 1.
2822 2007-06-19 Seongbae Park <seongbae.park@gmail.com>
2824 * config/arm/arm.c (arm_get_frame_offsets): Set
2825 offsets->locals_base to avoid negative stack size.
2826 (thumb1_expand_prologue): Assert on negative stack size.
2828 2007-06-19 Sebastian Pop <sebpop@gmail.com>
2830 PR tree-optimization/32367
2831 * tree-chrec.h (build_polynomial_chrec): Verify that the left hand side
2832 of the chrec has no evolution in that loop.
2833 * testsuite/gcc.dg/tree-ssa/pr32367.c: New.
2835 2007-06-19 Bob Wilson <bob.wilson@acm.org>
2837 * config/xtensa/xtensa.c: Include "df.h".
2838 (xtensa_builtin_saveregs): Use adjust_address instead of
2840 (xtensa_va_start): Invoke make_tree with sizetype for
2841 expand_builtin_saveregs and then convert the result to a pointer.
2842 Use POINTER_PLUS_EXPR. Use size_int instead of build_int_cst.
2843 (xtensa_gimplify_va_arg_expr): Use size_int instead of build_int_cst.
2844 Subtract argument size from index value as integers and then use
2845 POINTER_PLUS_EXPR to add the result to the array address.
2847 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
2850 * config/m32c/m32c.c: Include dataflow header file.
2851 (m32c_emit_prologue): Adjust for prologue insn change.
2852 * config/m32c/prologue.md (prologue_enter_16): Only modify SP_REGNO
2853 once inside a PARALLEL. Assume frame size passed in operand 0
2854 includes space to save the fb register.
2855 (prologue_enter_24): Likewise.
2856 (epilogue_exitd): Only modify SP_REGNO once inside a PARALLEL.
2858 2007-06-19 David Daney <ddaney@avtrex.com
2861 * config/mips/mips.md (cprestore): Mark $gp as used.
2863 2007-06-19 Rask Ingemann Lambertsen <rask@sygehus.dk>
2866 * config/frv/frv.c (frv_ifcvt_modify_tests): Dataflow merge fix.
2867 (frv_ifcvt_modify_insn): Likewise.
2869 2007-06-19 Richard Guenther <rguenther@suse.de>
2871 * tree-ssa-structalias.c (handle_ptr_arith): Make sure to
2872 only handle positive offsets that fit in a HOST_WIDE_INT.
2874 2007-06-19 Uros Bizjak <ubizjak@gmail.com>
2876 * config/i386/i386.c (ix86_emit_swsqrtsf): Filter out infinity
2877 result of rsqrt insn for zero input argument to avoid NaN.
2879 2007-06-19 Richard Guenther <rguenther@suse.de>
2882 * tree-ssa-alias-warnings.c (ffan_walker): Punt on MTAGs.
2884 2007-06-19 Jakub Jelinek <jakub@redhat.com>
2886 PR tree-optimization/32353
2887 * tree-ssa-structalias.c (set_uids_in_ptset): Also handle RESULT_DECL.
2889 2007-06-19 Nick Clifton <nickc@redhat.com>
2891 * config/m32r/linux.h (LIB_SPEC): Always imply -lpthread for -pthread.
2893 2007-06-18 Uros Bizjak <ubizjak@gmail.com>
2896 * config/i386/i386.h (enum ix86_stack_slot): Add SLOT_VIRTUAL.
2897 * config/i386/i386.c (assign_386_stack_local): Assert that
2898 SLOT_VIRTUAL is valid only before virtual regs are instantiated.
2899 (ix86_expand_builtin) [IX86_BUILTIN_LDMXCSR, IX86_BUILTIN_STMXCSR]:
2900 Use SLOT_VIRTUAL stack slot instead of SLOT_TEMP.
2901 * config/i386/i386.md (truncdfsf2, truncxf<mode>2): Ditto.
2903 2007-06-18 Steve Ellcey <sje@cup.hp.com>
2905 * config/ia64/ia64.h (LIBGCC2_TF_CEXT): New.
2907 2007-06-18 Seongbae Park <seongbae.park@gmail.com>
2909 PR rtl-optimization/32321
2910 * gcse.c (replace_store_insn): Update the note before
2911 calling emit_insn_after.
2913 2007-06-18 Kenneth Zadeck <zadeck@naturalbridge.com>
2916 * gcse (rest_of_handle_gcse): Add call to df_finish_pass after
2918 * df-problems.c (df_note_bb_compute): Fix dumping info.
2920 2007-06-18 Kazu Hirata <kazu@codesourcery.com>
2922 * config/m68k/m68k.c (m68k_expand_epilogue): Emit a return
2923 insn with emit_jump_insn.
2925 2007-06-18 Uros Bizjak <ubizjak@gmail.com>
2927 PR tree-optimization/32383
2928 * targhooks.c (default_builtin_reciprocal): Add new bool argument.
2929 * targhooks.h (default_builtin_reciprocal): Update prototype.
2930 * target.h (struct gcc_target): Update builtin_reciprocal.
2931 * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Update description.
2932 * tree-ssa-math-opts (execute_cse_reciprocals): Skip statements
2933 where arg1 is not SSA_NAME. Pass true to targetm.builtin_reciprocal
2934 when fndecl is in BUILT_IN_MD class.
2935 (execute_convert_to_rsqrt): Ditto.
2937 * config/i386/i386.c (ix86_builtin_reciprocal): Update for new bool
2938 argument. Convert IX86_BUILTIN_SQRTPS code only when md_fn is true.
2939 Convert BUILT_IN_SQRTF code only when md_fn is false.
2941 2007-06-18 Kaz Kojima <kkojima@gcc.gnu.org>
2943 * bt-load.c (move_btr_def): Fix the order of arguments
2944 to validate_replace_rtx.
2946 2007-06-18 Nathan Sidwell <nathan@codesourcery.com>
2948 * config/m68k/m68k-devices.def: Add 54450..54455.
2950 2007-06-17 Uros Bizjak <ubizjak@gmail.com>
2952 PR rtl-optimization/32366
2953 * simplify-rtx.c (simplify_unary_operation_1) [FLOAT_TRUNCATE,
2954 FLOAT_EXTEND]: Prevent non-scalar modes from entering
2957 2007-06-17 Kenneth Zadeck <zadeck@naturalbridge.com>
2960 * modulo-sched (generate_reg_moves): Added rescan parameter and if
2961 this is true, rescan insn being modified.
2962 (sms_schedule): Added rescan parameter.
2963 (rest_of_handle_sms): Moved freeing of dominance info to before
2964 getting out of cfg_layout.
2966 2007-06-17 Nathan Sidwell <nathan@codesourcery.com>
2968 * config/m68k/m68k.h (ISA_HAS_FF1, ISA_HAS_MVS_MVZ): New.
2969 * config/m68k/m68k.md: Use ISA_HAS_FF1 and ISA_HAS_MVS_MVZ as
2972 * config/m68k/m68k.c (all_isas): Remove FL_CF_FPU and
2973 FL_CF_EMAC from the entry for isac.
2975 * config/m68k/predicates.md (const_call_operand): Adjust comment.
2976 (const_sibcall_operand): New.
2977 (sibcall_operand): Use it.
2978 * config/m68k/m68k.c (FL_FOR_isa_c): Not ISA_B compatible.
2979 (m68k_isas): ISAC does not imply FPU or EMAC.
2980 (override_options): Add ISA_C logic for symbolic jump & call.
2982 2007-06-17 Eric Botcazou <ebotcazou@libertysurf.fr>
2984 * config/sparc/sparc.c (sparc_vis_init_builtins): Retrieve the
2985 return mode from the builtin itself.
2986 (sparc_fold_builtin): Fix cast of zero constant.
2988 2007-06-16 Uros Bizjak <ubizjak@gmail.com>
2990 * targhooks.c (default_builtin_reciprocal): New default target hook.
2991 * targhooks.h (default_builtin_reciprocal): Add prototype.
2992 * hooks.c (hook_tree_tree_bool_null): Remove hook.
2993 * hooks.h (hook_tree_tree_bool_null): Remove prototype.
2994 * target-def.h (TARGET_BUILTIN_RECIPROCAL): Define as
2995 default_builtin_reciprocal.
2997 2007-06-16 Uros Bizjak <ubizjak@gmail.com>
3000 * hooks.c (hook_tree_tree_bool_null): New hook.
3001 * hooks.h (hook_tree_tree_bool_null): Add prototype.
3002 * tree-pass.h (pass_convert_to_rsqrt): Declare.
3003 * passes.c (init_optimization_passes): Add pass_convert_to_rsqrt.
3004 * tree-ssa-math-opts.c (execute_cse_reciprocals): Scan for a/func(b)
3005 and convert it to reciprocal a*rfunc(b).
3006 (execute_convert_to_rsqrt): New function.
3007 (gate_convert_to_rsqrt): New function.
3008 (pass_convert_to_rsqrt): New pass definition.
3009 * target.h (struct gcc_target): Add builtin_reciprocal.
3010 * target-def.h (TARGET_BUILTIN_RECIPROCAL): New define.
3011 (TARGET_INITIALIZER): Initialize builtin_reciprocal with
3012 TARGET_BUILTIN_RECIPROCAL.
3013 * doc/tm.texi (TARGET_BUILTIN_RECIPROCAL): Document.
3015 * config/i386/i386.h (TARGET_RECIP): New define.
3016 * config/i386/i386.md (divsf3): Expand by calling ix86_emit_swdivsf
3017 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
3018 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
3019 and not optimizing for size.
3020 (*rcpsf2_sse): New insn pattern.
3021 (*rsqrtsf2_sse): Ditto.
3022 (rsqrtsf2): New expander. Expand by calling ix86_emit_swsqrtsf
3023 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
3024 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
3025 and not optimizing for size.
3026 (sqrt<mode>2): Expand SFmode operands by calling ix86_emit_swsqrtsf
3027 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
3028 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
3029 and not optimizing for size.
3030 * config/i386/sse.md (divv4sf): Expand by calling ix86_emit_swdivsf
3031 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
3032 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
3033 and not optimizing for size.
3034 (*sse_rsqrtv4sf2): Do not export.
3036 (sse_rsqrtv4sf2): New expander. Expand by calling ix86_emit_swsqrtsf
3037 for TARGET_SSE_MATH and TARGET_RECIP when flag_finite_math_only and
3038 flag_unsafe_math_optimizations are set, flag_trapping_math is unset
3039 and not optimizing for size.
3041 * config/i386/i386.opt (mrecip): New option.
3042 * config/i386/i386-protos.h (ix86_emit_swdivsf): Declare.
3043 (ix86_emit_swsqrtsf): Ditto.
3044 * config/i386/i386.c (IX86_BUILTIN_RSQRTF): New constant.
3045 (ix86_init_mmx_sse_builtins): __builtin_ia32_rsqrtf: New
3047 (ix86_expand_builtin): Expand IX86_BUILTIN_RSQRTF using
3048 ix86_expand_unop1_builtin.
3049 (ix86_emit_swdivsf): New function.
3050 (ix86_emit_swsqrtsf): Ditto.
3051 (ix86_builtin_reciprocal): New function.
3052 (TARGET_BUILTIN_RECIPROCAL): Use it.
3053 (ix86_vectorize_builtin_conversion): Rename from
3054 ix86_builtin_conversion.
3055 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Use renamed function.
3056 * doc/invoke.texi (Machine Dependent Options): Add -mrecip to
3057 "i386 and x86_64 Options" section.
3058 (Intel 386 and AMD x86_64 Options): Document -mrecip.
3060 2007-06-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
3061 Zdenek Dvorak <dvorakz@suse.cz>
3062 Richard Guenther <rguenther@suse.de>
3063 Kaz Kojima <kkojima@gcc.gnu.org>
3065 * tree-vrp.c (compare_values_warnv): Convert val2 to
3067 (extract_range_from_assert): Create
3068 POINTER_PLUS_EXPR for pointer types.
3069 (extract_range_from_binary_expr): Handle
3070 only POINTER_PLUS_EXPR, MIN_EXPR, and MAX_EXPR
3072 * doc/c-tree.texi (POINTER_PLUS_EXPR): Document.
3073 * tree-ssa-loop-niter.c (split_to_var_and_offset): Handle
3074 POINTER_PLUS_EXPR as PLUS_EXPR.
3075 (number_of_iterations_lt_to_ne):
3076 For pointer types, use sizetype when
3077 creating MINUS_EXPR/PLUS_EXPRs.
3078 (assert_loop_rolls_lt): For pointer types, use sizetype when
3079 creating MINUS_EXPR/PLUS_EXPRs.
3080 (number_of_iterations_le): Likewise.
3081 (expand_simple_operations): POINTER_PLUS_EXPR are simple also.
3082 (derive_constant_upper_bound): Handle POINTER_PLUS_EXPR just
3083 like PLUS_EXPR and MINUS_EXPR.
3084 * tree-pretty-print.c (dump_generic_node): Handle
3086 (op_prio): Likewise.
3087 (op_symbol_1): Likewise.
3088 * optabs.c (optab_for_tree_code): Likewise.
3089 * tree-ssa-loop-manip.c (create_iv): Handle pointer base
3091 * tree-tailcall.c (process_assignment): Mention
3092 POINTER_PLUS_EXPR in a TODO comment.
3093 * tree.c (build2_stat): Assert when trying to use PLUS_EXPR or
3094 MINUS_EXPR with a pointer. Also assert for POINTER_PLUS_EXPR
3095 not used with a pointer and an integer type.
3096 * tree-scalar-evolution.c (add_to_evolution_1): Convert the
3097 increment using chrec_convert_rhs instead of chrec_convert.
3098 (follow_ssa_edge_in_rhs): Handle POINTER_PLUS_EXPR like
3099 PLUS_EXPR except for the right hand side's type will be
3101 (interpret_rhs_modify_stmt): Handle POINTER_PLUS_EXPR.
3102 (fold_used_pointer_cast): Kill.
3103 (pointer_offset_p): Kill.
3104 (fold_used_pointer): Kill.
3105 (pointer_used_p): Kill.
3106 (analyze_scalar_evolution_1 <case GIMPLE_MODIFY_STMT>): Don't
3107 call fold_used_pointer.
3108 (instantiate_parameters_1): Convert the increment
3109 using chrec_convert_rhs instead of chrec_convert.
3110 Handle POINTER_PLUS_EXPR as PLUS_EXPR.
3111 * builtins.c (get_pointer_alignment): Handle POINTER_PLUS_EXPR
3112 instead of PLUS_EXPR.
3113 (expand_builtin_strcat): Create a POINTER_PLUS_EXPR instead of
3114 PLUS_EXPR for pointers.
3115 (std_gimplify_va_arg_expr): Likewise.
3116 (fold_builtin_memory_op): Likewise.
3117 (fold_builtin_strstr): Likewise.
3118 (fold_builtin_strchr): Likewise.
3119 (fold_builtin_strrchr): Likewise.
3120 (fold_builtin_strpbrk): Likewise.
3121 (expand_builtin_memory_chk): Likewise.
3122 (fold_builtin_memory_chk): Likewise.
3123 (std_expand_builtin_va_start): Use
3124 sizetype for the call to make_tree and then convert
3125 to the pointer type.
3126 (fold_builtin_memchr): Use POINTER_PLUS_EXPR
3127 instead of PLUS_EXPR for adding to a pointer.
3128 (std_gimplify_va_arg_expr): Use fold_build2 for
3129 the creating of POINTER_PLUS_EXPR. For the BIT_AND_EXPR, cast
3130 the operands to sizetype first and then cast the BIT_AND_EXPR
3131 back to the pointer type.
3132 * fold-const.c (build_range_check): Handle pointer types
3134 (extract_array_ref): Look for POINTER_PLUS_EXPR instead
3135 of PLUS_EXPR's. Make sure the offset is converted to
3137 (try_move_mult_to_index): Strip the NOPs from the offset.
3138 Remove code argument and replace all uses with PLUS_EXPR.
3139 (fold_to_nonsharp_ineq_using_bound): Handle pointer types
3140 specially. Don't use a pointer type for MINUS_EXPR.
3141 (fold_unary): Handle for (T1)(X op Y),
3142 only p+ as that is the only as that can be handled for
3143 binary operators now.
3144 (fold_binary <case POINTER_PLUS_EXPR>): Add folding of
3146 <case PLUS_EXPR>: Add folding of PTR+INT into
3148 Don't call try_move_mult_to_index.
3149 <case MINUS_EXPR>: Fold (PTR0 p+ A) - (PTR1 p+ B)
3150 into (PTR0 - PTR1) + (A - B). Fold (PTR0 p+ A) - PTR1 into
3151 (PTR0 - PTR1) + A iff (PTR0 - PTR1) simplifies.
3152 Don't call try_move_mult_to_index.
3153 (tree_expr_nonnegative_warnv_p): Handle POINTER_PLUS_EXPR.
3154 (tree_expr_nonzero_p): Likewise.
3155 (fold_indirect_ref_1): Look at POINTER_PLUS_EXPR instead
3156 of PLUS_EXPR for the complex expression folding.
3157 * tree-chrec.c (chrec_fold_plus_poly_poly): If the
3158 first chrec is a pointer type, then the second should
3159 be sizetype and not the first's type.
3160 For POINTER_PLUS_EXPR, use a different right hand side type.
3161 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
3162 (chrec_fold_plus_1): For POINTER_PLUS_EXPR, use a
3163 different right hand side type.
3164 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
3165 (chrec_fold_plus): For pointer types, use POINTER_PLUS_EXPR
3166 instead of PLUS_EXPR.
3167 When either operand is zero, convert the other operand.
3168 (chrec_apply): Use chrec_convert_rhs
3169 on the argument x instead of chrec_convert.
3170 (reset_evolution_in_loop): For pointer types, the new_evol
3172 (convert_affine_scev): For POINTER_PLUS_EXPR, use a
3173 different right hand side type.
3174 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
3175 (chrec_convert_rhs): New function.
3176 (chrec_convert_aggressive): For POINTER_PLUS_EXPR, use a
3177 different right hand side type.
3178 Handle POINTER_PLUS_EXPR like PLUS_EXPR.
3179 * tree-chrec.h (chrec_convert_rhs): New prototype.
3180 (build_polynomial_chrec): For pointer types, the right hand
3181 * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Look for
3182 POINTER_PLUS_EXPR instead of PLUS_EXPR's.
3183 Remove subtraction case as it is always addition now.
3184 Make sure the offset is converted to sizetype.
3185 (fold_stmt_r): Don't handle PLUS_EXPR/MINUS_EXPR specially.
3186 Handle POINTER_PLUS_EXPR like PLUS_EXPR was handled before.
3187 * tree-ssa-loop-ivopts.c (determine_base_object): Abort for
3188 PLUS_EXPR in pointer type.
3189 Handle POINTER_PLUS_EXPR.
3190 (tree_to_aff_combination): Likewise.
3191 (force_expr_to_var_cost): Likewise.
3192 (force_expr_to_var_cost): Likewise. Create a POINTER_PLUS_EXPR
3193 instead of PLUS_EXPR for pointers.
3194 * c-format.c (check_format_arg): Handle POINTER_PLUS_EXPR
3195 instead of PLUS_EXPR of pointer types.
3196 * tree-stdarg.c (va_list_counter_bump): Handle POINTER_PLUS_EXPR
3198 (check_va_list_escapes): Likewise.
3199 (check_all_va_list_escapes): Likewise.
3200 * dwarf2out.c (loc_descriptor_from_tree_1):
3201 Handle POINT_PLUS_EXPR as a PLUS_EXPR.
3202 * expr.c (expand_expr_real_1): Handle POINTER_PLUS_EXPR.
3203 (string_constant): Likewise.
3204 * tree-ssa-address.c (tree_mem_ref_addr): When adding
3205 the offset to the base, use POINTER_PLUS_EXPR.
3206 (add_to_parts): Convert the index to sizetype.
3207 (create_mem_ref): Create A POINTER_PLUS_EXPR for the one case.
3208 * matrix-reorg.c (collect_data_for_malloc_call): Stmt
3209 will now only be either INDIRECT_REF and POINTER_PLUS_EXPR.
3210 Offset only holds something for PLUS_EXPR.
3211 (ssa_accessed_in_tree): Handle POINTER_PLUS_EXPR just as
3213 (analyze_transpose): POINTER_PLUS_EXPR will only show up now
3215 (analyze_accesses_for_modify_stmt): Likewise.
3216 Remove comment about the type being integral type as it is
3218 (can_calculate_expr_before_stmt): Handle POINTER_PLUS_EXPR as
3220 (transform_access_sites): POINTER_PLUS_EXPR will only show up now
3222 Correct the type which the artimentic is done in (is now
3225 * tree-data-ref.c (split_constant_offset): Handle
3227 * tree-affine.c (tree_to_aff_combination): Likewise.
3228 * c-typeck.c (build_unary_op): For pointers create the increment
3229 as a sizetype. Create a POINTER_PLUS_EXPR instead of PLUS_EXPR
3231 * gimplify.c (gimplify_self_mod_expr): Create a
3232 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
3233 (gimplify_omp_atomic_fetch_op): Handle POINTER_PLUS_EXPR.
3234 * tree.def (POINTER_PLUS_EXPR): New tree code.
3235 * tree-predcom.c (ref_at_iteration): If we have a pointer
3236 type do the multiplication in sizetype.
3237 * tree-mudflap.c (mf_xform_derefs_1): Create a
3238 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
3239 * tree-ssa-forwprop.c
3240 (forward_propagate_addr_into_variable_array_index):
3241 Don't expect there to be a cast for the index as that
3242 does not exist anymore.
3243 (forward_propagate_addr_expr_1): Check for POINTER_PLUS_EXPR
3244 instead of PLUS_EXPR.
3245 Don't check for the first operand of the POINTER_PLUS_EXPR
3246 was the index as it cannot be.
3247 Call forward_propagate_addr_into_variable_array_index with
3248 the SSA_NAME instead of the statement.
3249 * varasm.c (const_hash_1): Handle POINTER_PLUS_EXPR.
3250 (compare_constant): Likewise.
3251 (copy_constant): Likewise.
3252 (compute_reloc_for_constant): Likewise.
3253 (output_addressed_constants): Likewise.
3254 (initializer_constant_valid_p): Likewise.
3255 * tree-ssa.c (tree_ssa_useless_type_conversion_1):
3256 Convert the MIN/MAX of the inner type to the outer
3257 type before comparing them.
3258 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Handle
3259 POINTER_PLUS_EXPR instead of PLUS_EXPR.
3260 (issue_prefetch_ref): Create a POINTER_PLUS_EXPR instead
3261 of PLUS_EXPR for pointers.
3262 * tree-inline.c (estimate_num_insns_1): Handle
3264 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref):
3265 Create a POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
3266 (bump_vector_ptr): Create a POINTER_PLUS_EXPR
3267 instead of PLUS_EXPR for the pointer increment statement.
3268 (vect_update_ivs_after_vectorizer): For pointer types, create
3269 POINTER_PLUS_EXPR instead of PLUS_EXPR and also create
3270 MULT_EXPR in sizetype.
3271 (vect_gen_niters_for_prolog_loop): Add a cast when creating
3273 * tree-object-size.c (plus_expr_object_size): Handle
3274 POINTER_PLUS_EXPR instead of PLUS_EXPR. Removing all the extra
3275 code which is trying to figure out which side is a pointer and
3277 (check_for_plus_in_loops_1): Likewise.
3278 (check_for_plus_in_loops): Likewise.
3279 * c-common.c (pointer_int_sum): Create a
3280 POINTER_PLUS_EXPR instead of PLUS_EXPR for pointers.
3281 * tree-ssa-structalias.c (handle_ptr_arith): Handle
3282 only POINTER_PLUS_EXPR. Removing all the extra
3283 code which is trying to figure out which side is a pointer and
3285 * tree-cfg.c (verify_expr): Add extra checking for pointers and
3286 PLUS_EXPR and MINUS_EXPR.
3287 Also add checking to make sure the operands of POINTER_PLUS_EXPR
3289 * config/frv/frv.c (frv_expand_builtin_va_start): Use sizetype
3290 with make_tree, instead of a pointer type.
3291 * config/s390/s390.c (s390_va_start): Use POINTER_PLUS_EXPR
3292 for pointers instead of PLUS_EXPR.
3293 (s390_gimplify_va_arg): Likewise.
3294 * config/spu/spu.c (spu_va_start): Create POINTER_PLUS_EXPR
3295 instead of PLUS_EXPR when doing addition on pointer
3296 types. Use sizetype for the second operand.
3297 (spu_gimplify_va_arg_expr): Likewise.
3298 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use
3299 POINTER_PLUS_EXPR instead of PLUS_EXPR when the operand was
3300 a pointer. Don't create a BIT_AND_EXPR for pointer types.
3301 * config/i386/i386.c (ix86_va_start): Use POINTER_PLUS_EXPR
3302 for the pointer addition and also use size_int/sizetype
3304 (ix86_gimplify_va_arg): Likewise.
3305 Perform BIT_AND_EXPR on sizetype arguments.
3306 * config/sh/sh.c (sh_va_start): Call make_tree with sizetype
3307 and convert its result to a pointer type. Use POINTER_PLUS_EXPR
3308 for the pointer additions and also use size_int for the offsets.
3309 (sh_gimplify_va_arg_expr): Use POINTER_PLUS_EXPR for the pointer
3310 additions and also use size_int for the offsets. Perform
3311 BIT_AND_EXPR on sizetype arguments.
3312 * config/ia64/ia64.c (ia64_gimplify_va_arg): Use
3313 POINTER_PLUS_EXPR for pointers and create the
3314 BIT_AND_EXPR in sizetype.
3315 * config/rs6000/rs6000.c (rs6000_va_start): Use POINTER_PLUS_EXPR
3316 instead of PLUS_EXPR for pointer addition.
3317 (rs6000_va_start): Likewise.
3318 Also use sizetype for the offset.
3319 * config/pa/pa.c (reloc_needed): Handle POINTER_PLUS_EXPR
3320 as PLUS_EXPR/MINUS_EXPR.
3321 (hppa_gimplify_va_arg_expr): Don't create MINUS_EXPR or
3322 PLUS_EXPR for pointers, instead use POINTER_PLUS_EXPR.
3323 Don't use BIT_AND_EXPR on a pointer type, convert the
3324 expression to sizetype first.
3325 * config/mips/mips.c (mips_va_start): Use POINTER_PLUS_EXPR
3327 (mips_gimplify_va_arg_expr): Likewise.
3328 Don't create BIT_AND_EXPR in a pointer type.
3330 2007-06-15 Eric Christopher <echristo@apple.com>
3332 * config.gcc (i?86-*-darwin*): Add t-crtfm and t-crtpc.
3333 (x86_64-*-darwin*): Ditto.
3334 * config/i386/darwin.h (CRTEND_SPEC): New. Add support
3337 2007-06-15 Matthew Wilcox <matthew@wil.cx>
3339 * doc/extend.texi: Document behavior of __attribute__((aligned))
3342 2007-06-15 Mark Mitchell <mark@codesourcery.com>
3344 * rtlanal.c (note_stores): Improve documentation.
3346 2007-06-15 Bernd Schmidt <bernd.schmidt@analog.com>
3348 * config/bfin/elf.h (ASM_GENERATE_INTERNAL_LABEL,
3349 LOCAL_LABEL_PREFIX): Delete.
3350 * config/bfin/bfin.c (TARGET_ASM_INTERNAL_LABEL): Delete.
3351 (bfin_internal_label): Delete.
3353 2007-06-15 Uros Bizjak <ubizjak@gmail.com>
3355 * libgcc2.c (CEXT): When compiling L_multc3 and L_divtc3,
3356 define to "l" if LIBGCC_LONG_DOUBLE_SIZE == 128,
3357 otherwise define to LIBGCC2_TF_CEXT.
3358 * config/i386/linux64.h (LIBGCC2_HAS_TF_MODE): New define.
3359 (LIBGCC_TF_CEXT): Ditto.
3362 2007-06-14 Seongbae Park <seongbae.park@gmail.com>
3364 PR rtl-optimization/32339
3365 * df-scan.c (df_uses_record): Don't modify flags but just add to
3366 it for df_ref_record.
3368 2007-06-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
3370 * tree-mudflap.c: Fix whitespace issues.
3372 2007-06-15 Kazu Hirata <kazu@codesourcery.com>
3374 * config/m68k/m68k.c (ASM_DOT, ASM_DOTW, ASM_DOTL): Remove.
3376 2007-06-14 Eric Christopher <echristo@apple.com>
3378 * config/i386/sse.md (movdi_to_sse): Rewrite body.
3379 (movv4sf): Use gcc_unreachable instead of abort.
3381 2007-06-14 Uros Bizjak <ubizjak@gmail.com>
3384 * config/i386/sfp-machine.h (CMPtype): New define.
3385 (mach stubs): Use CMPtype instead of int as a return type.
3387 2007-06-14 Uros Bizjak <ubizjak@gmail.com>
3389 * config/soft-fp/eqdf2.c, config/soft-fp/eqsf2.c,
3390 config/soft-fp/eqtf2.c, config/soft-fp/gedf2.c,
3391 config/soft-fp/gesf2.c, config/soft-fp/getf2.c,
3392 config/soft-fp/ledf2.c, config/soft-fp/lesf2.c,
3393 config/soft-fp/letf2.c, config/soft-fp/unorddf2.c,
3394 config/soft-fp/unordsf2.c, config/soft-fp/unordtf2.c,
3395 config/soft-fp/soft-fp.h: Update from glibc CVS.
3397 2007-06-14 Bernd Schmidt <bernd.schmidt@analog.com>
3399 * config/bfin/uclinux.h (MFWRAP_SPEC): New.
3401 2007-06-14 Rask Ingemann Lambertsen <rask@sygehus.dk>
3404 * config/v850/v850.c: Include dataflow header file.
3405 (substitute_ep_register): Fix typo.
3407 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
3409 * configure.ac: Fix earlier checkin.
3410 * configure: Regenerated.
3412 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
3414 * acinclude.m4 (gcc_AC_CHECK_PROG_VER): Remove.
3415 * aclocal.m4: Regenerate.
3416 * configure.ac: Use ACX_PROG_CC_WARNING_OPTS,
3417 ACX_PROG_CC_WARNINGS_ARE_ERRORS,
3418 ACX_PROG_CC_WARNING_ALMOST_PEDANTIC, ACX_CHECK_PROG_VER.
3419 * configure: Regenerate.
3420 * Makefile.in (LOOSE_WARN): Subst loose_warn.
3422 * Makefile.in (quickstrap): Build libgcc too.
3424 2007-06-14 Paolo Bonzini <bonzini@gnu.org>
3426 * configure.ac: Add --enable-checking=df. Explicitly mention that
3427 the variables are initialized as for "release".
3428 * df-core.c: Use it.
3429 * configure: Regenerate.
3430 * config.in: Regenerate.
3432 2007-06-14 Bob Wilson <bob.wilson@acm.org>
3434 * config/xtensa/xtensa.c (xtensa_expand_nonlocal_goto): Use
3435 validate_replace_rtx instead of replace_rtx.
3436 (xtensa_expand_prologue): Call df_insn_rescan after replace_rtx.
3438 2007-06-14 Danny Smith <dannysmith@users.sourceforge.net>
3440 * config/i386/cygming.h (DWARF_FRAME_REGNUM): Define.
3441 (DWARF2_UNWIND_INFO): Override default if configured with
3443 * config/i386/cygwin.h (STARTFILE_SPEC): Add crtbegin.o.
3444 (ENDFILE_SPEC): Add crtend.o.
3445 * config/i386/mingw32.h (STARTFILE_SEC): Add crtbegin.o.
3446 (ENDFILE_SPEC): Add crtend.o.
3447 (TARGET_USE_JCR_SECTION): Define.
3448 (MD_UNWIND_SUPPORT): Define for 32-bit target.
3450 * config/i386/cygming-crtbegin.c: New file.
3451 * config/i386/cygming-crtend.c: New file.
3453 2007-06-14 Pascal Obry Pascal Obry <obry@adacore.com>
3455 * config/i386/w32-unwind.h: New file.
3457 2007-06-13 Eric Christopher <echristo@apple.com>
3459 * config/i386/darwin.h (PREFERRED_STACK_BOUNDARY): Don't let
3460 the user set a value below STACK_BOUNDARY.
3462 2007-06-13 Thiemo Seufer <ths@networkno.de>
3464 * config/mips/linux.h, config/mips/linux64.h (LIB_SPEC): Always
3465 imply -lpthread for -pthread.
3467 2007-06-13 Kazu Hirata <kazu@codesourcery.com>
3469 * basic-block.h: Remove the prototype for
3470 free_basic_block_vars.
3471 * cfglayout.h: Remove the prototype for
3472 insn_locators_initialize.
3473 * tree.h: Remove the prototype for emit_line_note.
3475 * tree-ssa-pre.c (mergephitemp): Remove.
3476 (init_pre): Don't use mergephitemp.
3478 2007-06-13 Eric Christopher <echristo@apple.com>
3480 * config/i386/i386.c (override_options): If we've specified
3481 an arch then don't use TARGET_SUBTARGET_ISA_DEFAULTs.
3483 2007-06-13 Bob Wilson <bob.wilson@acm.org>
3485 * df-scan.c (df_get_entry_block_def_set): Check if STATIC_CHAIN_REGNUM
3488 2007-06-13 Bernd Schmidt <bernd.schmidt@analog.com>
3490 * config/bfin/bfin.h (EH_RETURN_HANDLER_RTX): Use gen_frame_mem.
3491 * config/bfin/bfin.md (UNSPEC_VOLATILE_STORE_EH_HANDLER): New constant.
3492 (eh_store_handler): New pattern.
3493 (eh_return): Emit it instead of a plain move.
3495 2007-06-13 Uros Bizjak <ubizjak@gmail.com>
3497 * config/i386/i386.c (ix86_init_mmx_sse_builtins)
3498 [__builtin_infq, __builtin_fabsq]: Define usign def_builtin.
3499 [__builtin_ia32_rsqrtps, __builtin_ia32_rsqrtss]: Define using
3502 2007-06-13 Bernd Schmidt <bernd.schmidt@analog.com>
3504 * config/bfin/bfin.c (gen_one_bundle): Delete unused local variables.
3505 (find_next_insn_start, find_load): New functions.
3506 (bfin_reorg): Use them to deal with the fact that parallel insns are
3507 no longer represented as a SEQUENCE.
3509 2007-06-13 Eric Botcazou <ebotcazou@libertysurf.fr>
3511 * config/sparc/sparc.c (sparc_override_options): Initialize
3514 2007-06-13 Dave Korn <dave.korn@artimi.com>
3516 * config/i386/i386.c (ix86_eax_live_at_start_p): Use
3519 2007-06-13 Kazu Hirata <kazu@codesourcery.com>
3521 * auto-inc-dec.c, c-incpath.c, config/c4x/libgcc.S,
3522 config/sh/divcost-analysis, dbgcnt.def, df-core.c,
3523 df-problems.c, df-scan.c, df.h, dominance.c, dse.c, regstat.c,
3524 tree-data-ref.c, tree-ssa-loop-im.c, tree-ssa-loop-prefetch.c,
3525 tree-vect-transform.c: Fix comment typos. Follow spelling
3528 2007-06-12 Seongbae Park <seongbae.park@gmail.com>
3530 * df-scan.c (df_get_exit-block_use_set): Always add the stack pointer
3531 to the exit block use set.
3532 (df_insn_delete, df_insn_rescan): Fixed spelling of "deferring".
3533 * gcse.c (cpro_jump): Don't emit barrier in cfglayout mode.
3534 * config/sparc/sparc.c (sparc_check_64): Check df != NULL.
3536 2007-06-12 Seongbae Park <seongbae.park@gmail.com>
3538 * opts.c (common_handle_option): Handle new option -fdbg-cnt-list.
3539 * dbgcnt.c (dbg_cnt_set_limit_by_name): Return value
3540 to indicate an error.
3541 (dbg_cnt_process_single_pair, dbg_cnt_list_all_counters):
3543 (dbg_cnt_process_opt): Print an error on a bad argument.
3544 * dbgcnt.h (dbg_cnt_list_all_counters): New function declaration.
3545 * common.opt (-fdbg-cnt-list): New.
3546 * doc/invoke.texi (-fdbg-cnt-list,-fdbg-cnt=): New.
3548 2007-06-12 Eric Botcazou <ebotcazou@adacore.com>
3550 * tree-ssa-alias.c (finalize_ref_all_pointers): Clear pt_anything
3551 flag on ref-all pointers.
3553 2007-06-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
3556 * expr.c (expand_expr_addr_expr_1): Call expand_expr
3557 for the offset with the modifier as EXPAND_INITIALIZER
3558 if the modifier is EXPAND_INITIALIZER.
3559 (expand_expr_real_1 <case INTEGER_CST>): Don't force to
3560 a register if we had an overflow.
3562 2007-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3564 * real.c (real_isfinite): New.
3565 (real_sqrt): Use it.
3566 * real.h (real_isfinite): New.
3567 * builtins.c: Use it.
3569 2007-06-12 Ian Lance Taylor <iant@google.com>
3570 Daniel Berlin <dberlin@dberlin.org>
3573 * tree.def: Add CHANGE_DYNAMIC_TYPE_EXPR.
3574 * tree.h (CHANGE_DYNAMIC_TYPE_NEW_TYPE): Define.
3575 (CHANGE_DYNAMIC_TYPE_LOCATION): Define.
3576 (DECL_NO_TBAA_P): Define.
3577 (struct tree_decl_common): Add no_tbaa_flag field.
3578 * tree-ssa-structalias.c (struct variable_info): Add
3579 no_tbaa_pruning field.
3580 (new_var_info): Initialize no_tbaa_pruning field.
3581 (unify_nodes): Copy no_tbaa_pruning field.
3582 (find_func_aliases): Handle CHANGE_DYNAMIC_TYPE_EXPR.
3583 (dump_solution_for_var): Print no_tbaa_pruning flag.
3584 (set_uids_in_ptset): Add no_tbaa_pruning parameter. Change all
3586 (compute_tbaa_pruning): New static function.
3587 (compute_points_to_sets): Remove CHANGE_DYNAMIC_TYPE_EXPR nodes.
3588 Call compute_tbaa_pruning.
3589 * tree-ssa-alias.c (may_alias_p): Test no_tbaa_flag for pointers.
3590 * gimplify.c (gimplify_expr): Handle CHANGE_DYNAMIC_TYPE_EXPR.
3591 * gimple-low.c (lower_stmt): Likewise.
3592 * tree-gimple.c (is_gimple_stmt): Likewise.
3593 * tree-ssa-operands.c (get_expr_operands): Likewise.
3594 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Likewise.
3595 * tree-inline.c (estimate_num_insns_1): Likewise.
3596 (copy_result_decl_to_var): Likewise.
3597 * expr.c (expand_expr_real_1): Likewise.
3598 * tree-pretty-print.c (dump_generic_node): Likewise.
3599 * tree-inline.c (copy_decl_to_var): Copy DECL_NO_TBAA_P flag.
3600 * omp-low.c (omp_copy_decl_2): Likewise.
3601 * print-tree.c (print_node): Print DECL_NO_TBAA_P flag.
3602 * doc/c-tree.texi (Expression trees): Document
3603 CHANGE_DYNAMIC_TYPE_EXPR.
3605 2007-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3607 * fold-const.c (fold_binary): Guard (X-X) -> 0 transformation
3608 with !HONOR_NANS and !HONOR_INFINITIES.
3609 * simplify-rtx.c (simplify_binary_operation_1): Likewise.
3611 2007-06-12 Tristan Gingold <gingold@adacore.com>
3613 * gcov.c: Comments updated.
3614 (source_info): Add file_time field.
3615 (source_index): New variable.
3616 (mutiple_files): New variable.
3617 (generate_results): New function extracted from process_file.
3618 (process_file): Save and restore chain of functions, generate
3619 results and free structures only if not merging results.
3620 (release_structures): File names are now freed in create_file_names
3621 (create_file_names): Free previous file names.
3622 (find_source): File date is now read here and modifications in
3623 source files is checked here.
3624 (read_graph_file): Only reverse order of functions for the current
3626 (make_gcov_file_name): Do not generate long names if input_name is
3628 (output_lines): If merging results do not display graph, data and
3630 Checking source file modification is done in find_source.
3632 * doc/gcov.texi: Append an s to sourcefile.
3634 2007-06-12 Bernd Schmidt <bernd.schmidt@analog.com>
3636 * config/bfin/bfin.md (UNSPEC_NOP): New constant.
3637 (forced_nop): New pattern.
3638 * config/bfin/bfin.c: Include "df.h".
3639 (add_to_reg): Use df_regs_ever_live_p instead of regs_ever_live.
3640 (bfin_discover_loop): Use df_get_live_in instead of
3641 global_live_at_start.
3642 (bfin_reorder_loops): Pass 0 to cfg_layout_initialize. Call
3643 df_analyze when done.
3644 (gen_one_bundle): Don't generate SEQUENCE insns, just put modes on
3645 the insns. Use QImode for the final insn in a bundle. Call
3646 df_insn_rescan on generated NOPs; use gen_forced_nop instead of
3648 (reorder_var_tracking_notes): New function.
3649 (bfin_reorg): Pass no argument to split_all_insns. Don't call
3650 update_life_info. Call df_analyze after scheduling and bundle
3651 generation. Call reorder_var_tracking_notes if generating these
3652 notes. Call df_finish_pass at the end.
3654 2007-06-12 Dirk Mueller <dmueller@suse.de>
3656 * optabs.c (debug_optab_libfuncs): fix gcc_assert to
3657 a comparison, not an assignment.
3659 2007-06-12 Olivier Hainque <hainque@adacore.com>
3661 * tree-nested.c (convert_local_reference): Handle VIEW_CONVERT_EXPR.
3662 Request walking the subtrees only, leaving the current is_lhs/val_only
3664 (convert_non_local_reference): Likewise.
3666 2007-06-12 Nathan Sidwell <nathan@codesourcery.com>
3668 * config/m68k/m68k-devices.def (52221, 52223, 5253): New.
3670 2007-06-12 Richard Guenther <rguenther@suse.de>
3672 PR tree-optimization/15353
3673 PR tree-optimization/31657
3674 * passes.c (init_optimization_passes): Add pass_tree_ifcombine.
3675 * timevar.def: Add TV_TREE_IFCOMBINE.
3676 * tree-pass.h (pass_tree_ifcombine): Declare.
3677 * tree-ssa-ifcombine.c: New file.
3678 * tree-ssa-phiopt.c (blocks_in_phiopt_order): Export.
3679 * tree-flow.h (blocks_in_phiopt_order): Declare.
3680 * Makefile.in (OBJS-common): Add tree-ssa-ifcombine.o.
3681 (tree-ssa-ifcombine.o): New dependencies.
3683 2007-06-12 Uros Bizjak <ubizjak@gmail.com>
3685 PR rtl-optimization/32293
3686 * combine.c (simplify_if_then_else): Truncate return from
3687 nonzero_bits() to correct mode.
3689 2007-06-12 Uros Bizjak <ubizjak@gmail.com>
3691 * fold-const (fold_binary) [RDIV_EXPR]: Also optimize a/cbrt(b/c)
3692 into a*cbrt(c/b) if flag_unsafe_math_optimizations is set.
3694 2007-06-11 Diego Novillo <dnovillo@google.com>
3696 * Makefile.in (reload1.o-warn): Remove.
3698 2007-06-11 Seongbae Park <seongbae.park@gmail.com>
3700 * combine.c (subst): Use reg_overlap_mentioned_p
3701 instead of comparing register numbers directly.
3703 2007-06-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3705 * reload1.c (mark_home_live_1): Use the mode parameter.
3707 2007-06-11 Kenneth Zadeck <zadeck@naturalbridge.com>
3709 * df-scan.c (df_insn_delete, df_insn_rescan, df_insn_rescan_all,
3710 df_process_deferred_rescans, df_notes_rescan): Fixed spelling of
3714 2007-06-11 Daniel Berlin <dberlin@dberlin.org>
3716 * Merge dataflow-branch into mainline (see ChangeLog.dataflow)
3718 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
3720 * config/i386/i386.md ("*movtf_internal): Penalize moves to and
3721 from integer registers.
3722 (FP mode splitters): Handle TFmode.
3724 2007-06-11 Eric Botcazou <ebotcazou@adacore.com>
3726 * tree-ssa-structalias.c (find_what_p_points_to): Return false
3727 for ref-all pointers that point-to anything.
3729 2007-06-11 Joseph Myers <joseph@codesourcery.com>
3731 * config/arm/arm.c (arm_output_dwarf_dtprel,
3732 TARGET_ASM_OUTPUT_DWARF_DTPREL): New.
3734 2007-06-11 Bernd Schmidt <bernd.schmidt@analog.com>
3736 * config/bfin/bfin.md (movdi_insn, movsi_insn, movv2hi_insn,
3737 movhi_insn, movqi_insn, movsf_insn, movdf_insn): Don't allow constant
3740 2007-06-11 Rafael Avila de Espindola <espindola@google.com>
3742 * gcc/tree.c (signed_or_unsigned_type_for): New.
3743 (unsigned_type_for): Use signed_or_unsigned_type_for.
3744 (signed_type_for): Use signed_or_unsigned_type_for.
3745 * gcc/tree.h (signed_or_unsigned_type_for): New.
3746 (get_signed_or_unsigned_type): Remove.
3747 * gcc/fold-const.c (fold_negate_expr): Use signed_type_for instead of
3748 lang_hooks.types.signed_type
3749 (size_diffop): Likewise.
3750 (all_ones_mask_p): Likewise.
3751 (build_range_check): Likewise.
3752 (fold_cond_expr_with_comparison): Likewise.
3753 (fold_cond_expr_with_comparison): Likewise.
3754 (unextend): Likewise.
3755 (extract_muldiv_1): Likewise.
3756 (fold_single_bit_test_into_sign_test): Likewise.
3757 (fold_binary): Likewise.
3758 (fold_ternary): Likewise.
3759 (operand_equal_for_comparison_p): Use signed_or_unsigned_type_for
3760 instead of get_signed_or_unsigned_type.
3761 * gcc/c-objc-common.h (LANG_HOOKS_SIGNED_TYPE): Remove.
3762 (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
3763 * gcc/expr.c (signed_or_unsigned_type_for): Use
3764 signed_or_unsigned_type_for instead of get_signed_or_unsigned_type.
3765 * gcc/langhooks.c (get_signed_or_unsigned_type): Remove.
3766 (lhd_signed_or_unsigned_type): Remove.
3767 * gcc/langhooks.h (lang_hooks_for_types): Remove signed_type and
3768 signed_or_unsigned_type.
3769 (lhd_signed_or_unsigned_type): Remove.
3770 * gcc/expmed.c (make_tree): Use signed_type_for instead of
3771 lang_hooks.types.signed_type.
3772 * gcc/c-common.c (same_scalar_type_ignoring_signedness): Use
3773 c_common_signed_type instead of lang_hooks.types.signed_type.
3774 (c_common_unsigned_type): New.
3775 (c_common_signed_type): Just call c_common_signed_or_unsigned_type.
3776 (shorten_compare): Use c_common_unsigned_type instead of
3777 c_common_signed_or_unsigned_type.
3778 (c_common_nodes_and_builtins): Use c_common_unsigned_type instead of
3780 * gcc/convert.c (convert_to_integer): Use signed_type_for instead of
3781 lang_hooks.types.signed_type.
3782 * gcc/langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Remove.
3783 (LANG_HOOK_FOR_TYPES_INITIALIZER): Remove LANG_HOOKS_SIGNED_TYPE and
3784 LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE.
3785 * gcc/c-format.c (check_format_types): Use c_common_unsigned_type
3786 instead of unsigned_type_for.
3787 * gcc/c-decl.c (groakdeclarator): Likewise.
3788 * gcc/c-typeck.c (convert_for_assignment): Likewise.
3789 * gcc/c-common.h (c_common_unsigned_type): New.
3791 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
3794 * config/i386/sse.md ("sse2_ashlti", "sse2_lshrti3"): Move ...
3795 * config/i386/i386.md ("sse2_ashlti", "sse2_lshrti3"): ... to here.
3797 2007-06-11 Uros Bizjak <ubizjak@gmail.com>
3800 * fold-const (fold_binary) [RDIV_EXPR]: Optimize a/sqrt(b/c)
3801 into a*sqrt(c/b) if flag_unsafe_math_optimizations is set.
3803 2007-06-10 Jan Sjodin <jan.sjodin@amd.com>
3804 Sebastian Pop <sebpop@gmail.com>
3806 * lambda-code.c (remove_iv): New.
3807 (lambda_loopnest_to_gcc_loopnest): Use remove_iv.
3809 2007-06-10 Zdenek Dvorak <dvorakz@suse.cz>
3811 * tree-data-ref.c (dr_analyze_alias): Handle case smt is NULL.
3812 * tree-predcom.c (mark_virtual_ops_for_renaming): Exported.
3813 * tree-ssa-loop-prefetch.c: Include optabs.h.
3814 (FENCE_FOLLOWING_MOVNT): New macro.
3815 (struct mem_ref): Add independent_p and storent_p fields.
3816 (record_ref): Initalize the new fields.
3817 (gather_memory_references_ref): Return true if the reference
3819 (gather_memory_references): Check whether all memory accesses
3820 in loop were recorded.
3821 (should_issue_prefetch_p): Return false for nontemporal stores.
3822 (nontemporal_store_p, mark_nontemporal_store, emit_mfence_after_loop,
3823 may_use_storent_in_loop_p, mark_nontemporal_stores): New functions.
3824 (determine_loop_nest_reuse): Detect independent memory references.
3825 (loop_prefetch_arrays): Call mark_nontemporal_stores.
3826 * tree-flow.h (mark_virtual_ops_for_renaming): Declare.
3827 * Makefile.in (tree-ssa-loop-prefetch.o): Add OPTABS_H dependency.
3828 * config/i386/i386.h (x86_mfence): Declare.
3829 (FENCE_FOLLOWING_MOVNT): Return x86_mfence.
3830 * config/i386/i386.c (x86_mfence): New variable.
3831 (ix86_init_mmx_sse_builtins): Initialize x86_mfence.
3833 * tree-pretty-print.c (dump_generic_node): Mark nontemporal stores.
3834 * optabs.c (init_optabs): Initialize storent_optab.
3835 * optabs.h (enum optab_index): Add OTI_storent.
3836 (storent_optab): Declare.
3837 * genopinit.c (optabs): Add initialization for storent_optab.
3838 * tree.h (MOVE_NONTEMPORAL): New macro.
3839 * expr.c (expand_assignment, store_expr, store_constructor_field,
3840 store_constructor, store_field, expand_expr_real_1): Propagate
3841 nontemporality of the expanded store.
3842 (emit_storent_insn): New function.
3843 * expr.h (expand_assignment, store_expr): Declaration changed.
3844 * function.c (assign_parm_setup_reg): Pass false as nontemporality
3845 to expand_assignment.
3846 * stmt.c (expand_asm_expr): Ditto.
3847 * calls.c (initialize_argument_information): Pass false as
3848 nontemporality to store_expr.
3849 * config/i386/sse.md (storentv4sf, storentv2df, storentv2di,
3852 2007-06-09 Daniel Berlin <dberlin@dberlin.org>
3854 * tree-ssa-structalias.c (set_uids_in_ptset): Add is_deref'd
3856 (find_what_p_points_to): Pass new parameter to set_uids_in_ptset.
3858 2007-06-09 Daniel Berlin <dberlin@dberlin.org>
3860 * tree-data-ref.c (dr_may_alias_p): Check that decl_a != decl_b,
3861 and allow DECL_P here.
3863 2007-06-09 Zdenek Dvorak <dvorakz@suse.cz>
3865 * tree-scalar-evolution.c (follow_ssa_edge_in_rhs,
3866 follow_ssa_edge_in_condition_phi, follow_ssa_edge): Keep more precise
3867 track of the size of the expression.
3868 * cfghooks.c (merge_blocks): Remove block from loops structure only
3869 after call of the merge_blocks hook.
3871 2007-06-09 Tom Tromey <tromey@redhat.com>
3873 * c-decl.c (grokdeclarator): Added 'deprecated_state' argument.
3874 (deprecated_state): Removed.
3875 (start_decl): Update.
3876 (enum deprecated_states): Moved earlier.
3877 (groktypename): Update.
3878 (push_parm_decl): Likewise.
3879 (grokfield): Likewise.
3880 (start_function): Likewise.
3882 2007-06-09 Ian Lance Taylor <iant@google.com>
3884 PR tree-optimization/32169
3885 * tree-vrp.c (extract_range_from_unary_expr): For NOP_EXPR and
3886 CONVERT_EXPR, check whether min and max both converted to an
3887 overflow infinity representation.
3889 2007-06-08 Eric Botcazou <ebotcazou@adacore.com>
3891 * reload1.c (fixup_abnormal_edges): Clear bb field for insns
3892 not inserted on the edge.
3894 2007-06-08 Bob Wilson <bob.wilson@acm.org>
3896 * config/xtensa/lib1funcs.asm (__udivsi3): Use hardware divide
3897 instructions if they are supported.
3898 (__divsi3, __umodsi3, __modsi3): Likewise.
3899 (__ashldi3, __ashrdi3, __lshrdi3): New.
3900 * config/xtensa/t-xtensa (LIB1ASMFUNCS): Add DImode shift functions.
3902 2007-06-08 Harsha Jagasia <harsha.jagasia@amd.com>
3903 Tony Linthicum <tony.linthicum@amd.com>
3905 * doc/invoke.texi: Add fvect-cost-model flag.
3906 * common.opt (fvect-cost-model): New flag.
3907 * tree-vectorizer.c (new_stmt_vec_info): Initialize inside and outside
3908 cost fields in stmt_vec_info struct for STMT.
3909 * tree-vectorizer.h (stmt_vec_info): Define inside and outside cost
3910 fields in stmt_vec_info struct and access functions for the same.
3911 (TARG_COND_BRANCH_COST): Define cost of conditional branch.
3912 (TARG_VEC_STMT_COST): Define cost of any vector operation, excluding
3913 load, store and vector to scalar operation.
3914 (TARG_VEC_TO_SCALAR_COST): Define cost of vector to scalar operation.
3915 (TARG_VEC_LOAD_COST): Define cost of aligned vector load.
3916 (TARG_VEC_UNALIGNED_LOAD_COST): Define cost of misasligned vector load.
3917 (TARG_VEC_STORE_COST): Define cost of vector store.
3918 (vect_estimate_min_profitable_iters): Define new function.
3919 * tree-vect-analyze.c (vect_analyze_operations): Add a compile-time
3920 check to evaluate if loop iterations are less than minimum profitable
3921 iterations determined by cost model or minimum vect loop bound defined
3922 by user, whichever is more conservative.
3923 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Add a
3924 run-time check to evaluate if loop iterations are less than minimum
3925 profitable iterations determined by cost model or minimum vect loop
3926 bound defined by user, whichever is more conservative.
3927 (vect_estimate_min_profitable_iterations): New function to estimate
3928 mimimimum iterartions required for vector version of loop to be
3929 profitable over scalar version.
3930 (vect_model_reduction_cost): New function.
3931 (vect_model_induction_cost): New function.
3932 (vect_model_simple_cost): New function.
3933 (vect_cost_strided_group_size): New function.
3934 (vect_model_store_cost): New function.
3935 (vect_model_load_cost): New function.
3936 (vectorizable_reduction): Call vect_model_reduction_cost during
3938 (vectorizable_induction): Call vect_model_induction_cost during
3940 (vectorizable_load): Call vect_model_load_cost during analysis phase.
3941 (vectorizable_store): Call vect_model_store_cost during analysis phase.
3942 (vectorizable_call, vectorizable_assignment, vectorizable_operation,
3943 vectorizable_promotion, vectorizable_demotion): Call
3944 vect_model_simple_cost during analysis phase.
3946 2007-06-08 Simon Baldwin <simonb@google.com>
3948 * reg-stack.c (get_true_reg): Readability change. Moved default case
3949 label into direct switch statement scope.
3951 2007-06-08 Simon Baldwin <simonb@google.com>
3953 * tree-flow-inline.h (var_ann): Replaced erroneous '=' assignment
3954 in gcc_assert() with '==' comparison.
3956 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
3958 * config/i386/i386.c (override_options): Merge TARGET_SSE4_2 and
3959 TARGET_ABM handling of x86_popcnt variable.
3961 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
3963 * doc/extend.texi (X86 Built-in Functions): Document __builtin_fabsq,
3964 __builtin_copysignq and __builtin_infq built-in functions.
3966 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
3968 * doc/extend.texi (X86 Built-in Functions): Add missing `@item's in
3969 SSE4.2 section. Correct built-in function names in SSE4A section.
3971 2007-06-08 Uros Bizjak <ubizjak@gmail.com>
3973 PR tree-optimization/32243
3974 * tree-vect-transform.c (vectorizable_type_promotion): Move check
3975 for ncopies after ratio check between nunits_out and nunits_in.
3976 (vectorizable_type_demotion): Remove single-use variable "scalar_type".
3978 2007-06-08 Dorit Nuzman <dorit@il.ibm.com>
3980 PR tree-optimization/32224
3981 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fail
3982 vectorization upon a non GIMPLE_MODIFY_STMT.
3984 2007-06-08 Christian Bruel <christian.bruel@st.com>
3987 * config/sh/sh.md (doloop_end): New pattern and splitter.
3988 * loop-iv.c (simple_rhs_p): Check for hardware registers.
3990 2007-06-08 Zdenek Dvorak <dvorakz@suse.cz>
3993 * dominance.c (debug_dominance_tree, debug_dominance_tree_1): New
3995 (verify_dominators): Do not change dominance tree.
3997 2007-06-08 Kaz Kojima <kkojima@gcc.gnu.org>
3999 * config/sh/constraints.md: New file.
4000 * config/sh/sh.c: Include tm-constrs.h.
4001 (reg_class_from_letter): Remove.
4002 (prepare_cbranch_operands): Use satisfies_constraint_*
4003 function instead of macro.
4004 (andcosts, broken_move, sh_secondary_reload): Likewise.
4005 * config/sh/predicates.md (trapping_target_operand): Likewise.
4006 (and_operand, arith_operand, arith_reg_or_0_operand,
4007 cmp_operand, logical_operand, target_operand,
4008 ua_address_operand, ua_offset, xor_operand): Likewise.
4009 * config/sh/sh.md: Include constraints.md.
4010 (*movsicc_t_false): Use satisfies_constraint_* function
4012 (*movsicc_t_true, ashlsi3_std, ashlhi3_k, lshrsi3_m,
4013 lshrsi3_k, movsi_const_16bit+2, *movhi_media+1,
4014 movdi_const_16bit+1, beq, bne, *ptb): Likewise.
4015 * config/sh/sh.h (reg_class_from_letter): Remove prototype.
4016 (OVERRIDE_OPTIONS): Don't modify reg_class_from_letter.
4017 (REG_CLASS_FROM_CONSTRAINT): Remove.
4018 (CONSTRAINT_LEN, CONST_OK_FOR_I20, CONST_OK_FOR_I,
4019 CONST_OK_FOR_J, CONST_OK_FOR_K16, CONST_OK_FOR_K,
4020 CONST_OK_FOR_P27, CONST_OK_FOR_P, CONST_OK_FOR_M,
4021 CONST_OK_FOR_N, CONST_OK_FOR_CONSTRAINT_P,
4022 CONST_DOUBLE_OK_FOR_LETTER_P): Likewise.
4023 (SECONDARY_INOUT_RELOAD_CLASS): Use satisfies_constraint_*
4024 function instead of macro.
4025 (SECONDARY_INPUT_RELOAD_CLASS): Likewise.
4026 (EXTRA_CONSTRAINT_Q, EXTRA_CONSTRAINT_A,
4027 EXTRA_CONSTRAINT_Bsc, EXTRA_CONSTRAINT_B,
4028 EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Remove.
4029 (IS_PC_RELATIVE_LOAD_ADDR_P): New macro.
4030 (IS_LITERAL_OR_SYMBOLIC_S16_P): Likewise.
4031 (IS_LITERAL_OR_SYMBOLIC_U16_P): Likewise.
4032 (IS_NON_EXPLICIT_CONSTANT_P): Likewise.
4033 (EXTRA_CONSTRAINT_Csy, EXTRA_CONSTRAINT_Z, EXTRA_CONSTRAINT_W,
4034 EXTRA_CONSTRAINT_Cpg, EXTRA_CONSTRAINT_C,
4035 EXTRA_MEMORY_CONSTRAINT, EXTRA_CONSTRAINT_Sr0,
4036 EXTRA_CONSTRAINT_Sua, EXTRA_CONSTRAINT_S,
4037 EXTRA_CONSTRAINT_STR): Likewise.
4038 (GO_IF_LEGITIMATE_INDEX): Fix indentation.
4040 2007-06-07 Geoffrey Keating <geoffk@apple.com>
4042 * config/i386/darwin.h (STACK_BOUNDARY): Define.
4044 2007-06-07 Simon Martin <simartin@users.sourceforge.net>
4047 * c-common.h (flag_cpp0x): Replaced by...
4048 (cxx_dialect): ... this new variable specifying the C++ dialect that
4050 * c-common.c (flag_cpp0x): Removed.
4051 (cxx_dialect): Defined.
4052 * c-cppbuiltin.c (c_cpp_builtins): flag_cpp0x rewritten in terms of
4054 * c-opts.c (c_common_post_options): Likewise.
4055 (set_std_cxx98): Set cxx_dialect to cxx98.
4056 (set_std_cxx0x): Set cxx_dialect to cxx0x.
4058 2007-06-07 Geoffrey Keating <geoffk@apple.com>
4059 Hui-May Chang <hm.chang@apple.com>
4061 * doc/invoke.texi (Darwin Options): Update documentation for
4062 -mmacosx-version-min.
4063 * config.gcc (*-*-darwin*): Set extra_gcc_objs.
4064 * config/darwin-driver.c: New file.
4065 * config/darwin.h (GCC_DRIVER_HOST_INITIALIZATION): New.
4066 * config/t-darwin (darwin-driver.o): New rule.
4068 * config/darwin-c.c (version_as_macro): Ignore low digit.
4070 2007-06-07 Uros Bizjak <ubizjak@gmail.com>
4072 * config/i386/i386.md (standard sse constant splitter): Handle TFmode.
4073 (negtf2, abstf2, *absnegtf2_sse): New insn patterns.
4074 (CSGNMODE): New mode macro.
4075 (CSGNVMODE): New mode attribute.
4076 (copysign<mode>3): Rename from copysingsf3 and copysigndf3. Macroize
4077 expander using CSGNMODE mode macro. Handle TFmode.
4078 (copysign<mode>3_const): Rename from copysignsf3_const and
4079 copysigndf3_const. Macroize pattern using CSGNMODE mode macro.
4081 (copysign<mode>3_var): Rename from copysignsf3_var and
4082 copysigndf3_var. Macroize pattern using CSGNMODE mode macro.
4084 (copysign<mode>3_var splitter): Macroize pattern using CSGNMODE
4085 mode macro. Handle TFmode.
4086 * config/i386/sse.md (andtf3, *andtf3, *nandtf3): New insn patterns.
4087 (iortf3, *iortf3): Ditto.
4088 (xortf3, *xortf3): Ditto.
4089 * config/i386/i386.c (ix86_build_signbit_mask): Create scalar
4090 TFmode and TImode masks.
4091 (ix86_expand_copysign): Expand TFmode copysign insn.
4092 (IX86_BUILTIN_INFQ): New.
4093 (IX86_BUILTIN_FABSQ): Ditto.
4094 (IX86_BUILTIN_COPYSIGNQ): Ditto.
4095 (ix86_init_mmx_sse_builtins) [__builtin_infq]: New builtin definition.
4096 [__builtin_fabsq]: Ditto.
4097 [__builtin_copysignq]: Ditto.
4098 (ix86_expand_builtin) [IX86_BUILTIN_INFQ]: Expand builtin.
4099 [IX86_BUILTIN_FABSQ]: Expand builtin using ix86_expand_unop_builtin().
4100 [IX86_BUILTIN_COPYSIGNQ]: Expand builtin using
4101 ix86_expand_binop_builtin().
4103 2007-06-07 Bob Wilson <bob.wilson@acm.org>
4105 * config/xtensa/lib1funcs.asm: Clean up whitespace.
4107 2007-06-07 Steve Ellcey <sje@cup.hp.com>
4110 * rtl.h (push_to_sequence2): New.
4111 * emit-rtl.c (push_to_sequence2): New.
4112 * function.c (assign_parm_data_all): Add new fields.
4113 (assign_parm_setup_block): Call push_to_sequence2 instead of
4115 (assign_parm_setup_reg): Ditto.
4116 (assign_parm_setup_stack): Ditto.
4117 (assign_parms_unsplit_complex): Ditto.
4118 (assign_parms): Change field name.
4120 2007-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4122 PR tree-optimization/32220
4123 * tree-predcom.c (eliminate_temp_copies): Handle the case that loop
4124 phi node is reached before defining statement.
4126 2007-06-06 Andrew Pinski <andrew_pinski@playstation.sony.com>
4129 * tree-vect-transform.c (vectorizable_call): Call update_stmt
4130 after changing the right hand side of the assignment.
4132 2007-06-06 Eric Christopher <echristo@apple.com>
4134 * config.gcc (i?86-*-darwin*): Remove arch parameter.
4135 (x86_64-*-darwin*): Ditto.
4136 * config/i386/darwin.h (TARGET_SUBTARGET32_ISA_DEFAULT): Define.
4137 (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
4139 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
4141 * tree-ssa-alias-warnings.c (maybe_add_match): Cast according to the
4143 (add_key): Likewise.
4144 * tree-ssa.c (init_tree_ssa): Use type safe memory macros.
4145 * tree-ssa-ccp.c (ccp_fold_builtin): Avoid using C++ keywords as
4147 * tree-ssa-coalesce.c (find_coalesce_pair): Use type safe memory
4149 (add_cost_one_coalesce): Likewise.
4150 * tree-ssa-copy.c (merge_alias_info): Avoid using C++ keywords as
4151 variable names. Rename orig to orig_name for consistency.
4152 * tree-ssa-dom.c (dom_thread_across_edge): Cast according to the
4154 (cprop_into_successor_phis): Avoid using C++ keywords as variable
4156 (record_equivalences_from_stmt): Likewise.
4157 * tree-ssa-dse.c (dse_initialize_block_local_data): Cast according to
4158 the coding conventions.
4159 (memory_ssa_name_same): Likewise.
4160 (dse_optimize_stmt): Likewise.
4161 (dse_record_phis): Likewise.
4162 (dse_finalize_block): Likewise.
4163 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Avoid using C++
4164 keywords as variable names.
4165 (may_move_till): Cast according to the coding conventions.
4166 (force_move_till_expr): Avoid using C++ keywords as variable names.
4167 (force_move_till): Cast according to the coding conventions.
4168 (memref_hash): Likewise.
4169 (memref_eq): Likewise.
4170 (gather_mem_refs_stmt): Likewise.
4171 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Avoid
4172 using C++ keywords as variable names.
4173 (idx_find_step): Cast according to the coding conventions.
4174 (idx_record_use): Likewise.
4175 (find_depends): Likewise.
4176 (prepare_decl_rtl): Likewise.
4177 (mbc_entry_hash): Likewise.
4178 (mbc_entry_eq): Likewise.
4179 * tree-ssa-loop-niter.c (SWAP): Use the correct the type for tmp.
4180 (simplify_replace_tree): Avoid using C++ keywords as variable names.
4181 (idx_infer_loop_bounds): Cast according to the coding conventions.
4182 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Likewise.
4183 * tree-ssa-math-opts.c (occ_new ): Likwise.
4184 * tree-ssanames.c (duplicate_ssa_name_ptr_info): Use type safe memory
4186 * tree-ssa-operands.c (add_def_op): Avoid using C++ keywords as
4188 (add_use_op): Likewise.
4189 (add_vop): Likewise.
4190 (add_vuse_op): Likewise.
4191 (add_vdef_op): Likewise.
4192 (get_expr_operands): Likewise.
4193 (push_stmt_changes): Use type safe memory macros.
4194 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Avoid using C++
4195 keywords as variable names.
4196 (conditional_replacement): Likewise.
4197 (minmax_replacement): Likewise.
4198 (abs_replacement): Likewise.
4199 * tree-ssa-pre.c (create_expression_by_pieces): Cast according to the
4201 (insert_fake_stores): Avoid using C++ keywords as variable names.
4202 * tree-ssa-reassoc.c (add_to_ops_vec): Cast according to the coding
4204 * tree-ssa-structalias.c (heapvar_lookup): Likewise.
4205 (heapvar_insert): Use type safe memory macros.
4206 (new_var_info): Cast according to the coding conventions.
4207 (new_constraint): Likewise.
4208 (remove_preds_and_fake_succs): Use type safe memory macros.
4209 * tree-ssa-threadupdate.c (thread_block): Cast according to the coding
4211 (thread_single_edge): Likewise.
4212 (thread_through_loop_header): Likewise.
4214 2007-06-06 Eric Christopher <echristo@apple.com>
4216 * config/i386/i386.c (override_options): Move handling
4217 of TARGET_SUBTARGET* earlier.
4219 2007-06-06 Paolo Bonzini <bonzini@gnu.org>
4221 * genmodes.c (tagged_printf, emit_insn_modes_h): Don't
4224 2007-06-06 Zdenek Dvorak <dvorakz@suse.cz>
4226 * haifa-sched.c (restore_bb_notes): Clear bb field of the notes
4227 emited outside of basic block.
4228 * cfgbuild.c (find_bb_boundaries): Clear bb field for insns between
4230 * rtl.h (delete_insn_chain): Declaration changed.
4231 * cfgrtl.c (delete_insn_chain): Add option to clear bb field for
4233 (rtl_delete_block, rtl_merge_blocks): Pass true to delete_insn_chain.
4234 (delete_insn_chain_and_edges, try_redirect_by_replacing_jump,
4235 rtl_tidy_fallthru_edge, cfg_layout_merge_blocks): Pass false
4236 to delete_insn_chain.
4237 (rtl_verify_flow_info_1): Verify that the insns in header and footer
4238 do not have bb field set.
4239 (rtl_verify_flow_info): Verify that insns between basic blocks do not
4241 * recog.c (peephole2_optimize): Add argument to delete_insn_chain call.
4242 * cfgcleanup.c (try_optimize_cfg): Ditto.
4244 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
4246 * lambda-code.c (struct lambda_lattice_s): Add a name to the struct.
4247 (lambda_body_vector_new): Use type safe memory macros.
4248 (lambda_linear_expression_new): Likewise.
4249 (lambda_loopnest_new): Likewise.
4250 (lambda_lattice_new): Likewise.
4251 (replace_uses_equiv_to_x_with_y): Cast according to the coding
4252 conventions. Use type safe memory macros.
4253 * lambda.h (struct lambda_trans_matrix_s): Add a name to the struct.
4254 (lambda_body_vector_s): Likewise.
4255 * lambda-mat.c (lambda_matrix_new): Use type safe memory macros.
4256 * lambda-trans.c (lambda_trans_matrix_new): Likewise.
4258 2007-06-06 Richard Guenther <rguenther@suse.de>
4260 * tree-ssa-forwprop.c (forward_propagate_into_cond): Return 2
4261 if we need to schedule cfg_cleanup.
4262 (tree_ssa_forward_propagate_single_use_vars): Do so.
4264 2007-06-06 Ian Lance Taylor <iant@google.com>
4266 * fold-const.c (merge_ranges): If range_successor or
4267 range_predecessor fail, just return 0.
4269 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
4271 PR tree-optimization/32216
4272 * tree-vectorizer.c (supportable_widening_operation): Determine
4273 signedness of FIX_TRUNC_EXPR from output operand.
4274 (supportable_narrowing_operation): Ditto.
4275 * tree-vect-generic.c (expand_vector_operations_1): Determine
4276 signedness of VEC_UNPACK_FLOAT_HI_EXPR and VEC_UNPACK_FLOAT_LO_EXPR
4279 2007-06-06 Thomas Neumann <tneumann@users.sourceforge.net>
4281 * config/i386/i386.c (enum pta_flags): Move out of struct scope...
4282 (struct pta): ...from here. Change flags to unsigned to avoid
4283 excessive casting (as it is used as a bit mask).
4284 (override_options): Add casts according to the coding convenventions.
4285 (x86_64_elf_unique_section): Likewise.
4286 (examine_argument): Avoid using C++ keywords as variable names.
4287 (construct_container): Likewise.
4288 (legitimize_pic_address): Likewise.
4289 (get_dllimport_decl): Cast according to the coding conventions. Use
4290 type safe memory macros.
4291 (legitimize_address): Cast according to the coding conventions.
4292 (emit_i387_cw_initialization): Corrected the type of slot to enum
4294 (ix86_init_machine_status): Use type safe memory macros.
4295 (bdesc_pcmpestr): Use UNKNOWN instead of integer 0.
4296 (bdesc_pcmpistr): Likewise.
4297 (bdesc_crc32): Likewise.
4298 (bdesc_sse_3arg): Likewise.
4299 (bdesc_2arg): Likewise.
4300 (bdesc_1arg): Likewise.
4301 (ix86_expand_sse_pcmpestr): Cast according to the coding conventions.
4302 (ix86_expand_sse_pcmpistr): Likewise.
4303 (ix86_expand_vec_set_builtin): Use EXPAND_NORMAL instead of integer 0.
4304 (ix86_builtin_vectorized_function): Change the type of fn to unsigned
4305 int to match the langhook definition.
4306 (ix86_builtin_conversion): Change the type of code to unsigned init to
4307 match the langhook definition.
4308 (ix86_preferred_reload_class): Avoid using C++ keywords as variable
4310 (ix86_preferred_output_reload_class): Likewise.
4311 (ix86_cannot_change_mode_class): Likewise.
4312 (ix86_memory_move_cost): Likewise.
4313 (ix86_rtx_costs): Cast the outer_code parameter to enum rtx_code to
4314 avoid excessive casting later on.
4315 (x86_output_mi_thunk): Avoid using C++ keywords as variable names.
4317 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
4319 * config/i386/sse.md (sse4_2_pcmpestr_cconly): Prefer pcmpestrm
4320 as flags setting insn.
4321 (sse4_2_pcmpistr_cconly): Prefer pcmpistrm as flags setting insn.
4323 2007-06-06 Uros Bizjak <ubizjak@gmail.com>
4325 * config/i386/i386.md (UNSPEC_ROUNDP, UNSPEC_ROUNDS): Remove.
4326 (UNSPEC_ROUND): New.
4327 ("sse4_1_round<mode>2"): New insn pattern.
4328 ("rint<mode>2"): Expand using "sse4_1_round<mode>2" pattern for
4330 ("floor<mode>2"): Rename from floordf2 and floorsf2. Macroize
4331 expander using SSEMODEF mode macro. Expand using
4332 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
4333 ("ceil<mode>2"): Rename from ceildf2 and ceilsf2. Macroize
4334 expander using SSEMODEF mode macro. Expand using
4335 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
4336 ("btrunc<mode>2"): Rename from btruncdf2 and btruncsf2. Macroize
4337 expander using SSEMODEF mode macro. Expand using
4338 "sse4_1_round<mode>2" pattern for SSE4.1 targets.
4339 * config/i386/sse.md ("sse4_1_roundpd", "sse4_1_roundps"): Use
4340 UNSPEC_ROUND instead of UNSPEC_ROUNDP.
4341 ("sse4_1_roundsd", "sse4_1_roundss"): Use UNSPEC_ROUND instead of
4344 2007-06-06 Jan Sjodin <jan.sjodin@amd.com>
4345 Sebastian Pop <sebpop@gmail.com>
4347 * lambda.h (build_linear_expr): New.
4348 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression):
4349 Use build_linear_expr, call fold and force_gimple_operand.
4350 (lambda_loopnest_to_gcc_loopnest): Check that there is
4351 something to insert.
4352 * testsuite/gcc.dg/tree-ssa/ltrans-6.c: New.
4354 2007-06-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
4356 PR preprocessor/23479
4357 * doc/extend.texi: Document the 0b-prefixed binary integer
4360 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
4362 PR tree-optimization/32215
4363 * tree-vectorizer.c (supportable_widening_operation): Return false
4364 for unsupported FIX_TRUNC_EXPR tree code.
4365 (supportable_narrowing_operation): Ditto for FLOAT_EXPR tree code.
4367 2007-06-06 Nathan Froyd <froydnj@codesourcery.com>
4369 * config/rs6000/rs6000.h (FIXED_SCRATCH): Use r0 as a scratch
4370 register on SPE targets. Change documentation to reflect
4372 * config/rs6000/rs6000.c (rs6000_conditional_register_usage):
4373 Change FIXED_SCRATCH to 14 and document why we're keeping r14
4374 out of the register allocation pool.
4375 (rs6000_reg_live_or_pic_offset_p): New function.
4376 (rs6000_emit_prologue): Move the actual saving of LR up to free
4377 r0 for holding r11. Split saving of SPE 64-bit registers into
4378 its own case. Ensure that offsets will always be in-range for
4379 'evstdd' by using r11 as a scratch register to point at the start
4380 of the SPE save area. Save r11 if necessary, as it is the static
4382 (rs6000_emit_epilogue): Split restoring of SPE 64-bit registers
4383 into its own case. Ensure that offsets will always be in-range
4384 for 'evldd' by using r11 as a scratch register to point at the
4385 start of the SPE save area. Also adjust r11 when restoring
4386 the stack pointer to compensate for pre-loading r11.
4388 2007-06-05 Thomas Neumann <tneumann@users.sourceforge.net>
4390 * cfg.c (init_flow): Use type safe memory macros.
4391 (alloc_block): Likewise.
4392 (unchecked_make_edge): Likewise.
4393 (dump_flow_info): Avoid using C++ keywords as variable names.
4394 (copy_original_table_clear): Cast according to the coding conventions.
4395 (copy_original_table_set): Likewise.
4396 * cfgexpand (label_rtx_for_bb): Likewise.
4397 (expand_gimple_basic_block): Likewise.
4398 * cfghooks.c (dump_bb): Likewise.
4399 (lv_adjust_loop_header_phi): Avoid using C++ keywords as
4401 (lv_add_condition_to_bb): Likewise.
4402 * cfglayout (relink_block_chain): Cast according to the coding
4404 (fixup_reorder_chain): Likewise.
4405 (fixup_fallthru_exit_predecessor): Likewise.
4406 * cfgloop.c (glb_enum_p): Likewise.
4407 (get_exit_description): Likewise.
4408 (dump_recorded_exit): Likewise.
4409 * cfgloop.h (enum loop_estimation): Move out of struct scope...
4410 (struct loop): ... from here.
4411 * cfgloopmanip.c (rpe_enum_p): Cast according to the coding
4413 * cfgrtl.c (rtl_create_basic_block): Likewise.
4414 (rtl_split_block): Likewise.
4415 (rtl_dump_bb): Likewise.
4416 (cfg_layout_split_block): Likewise.
4417 (init_rtl_bb_info): Use typesafe memory macros.
4419 * graphds.h (struct graph_edge): Renamed edge to graph_edge.
4420 * graphds.h: Updated all usages of edge to graph_edge.
4421 * graphds.c: Likewise.
4422 * cfgloopanal.c: Likewise.
4424 2007-06-05 Ian Lance Taylor <iant@google.com>
4426 * tree-vrp.c (compare_values_warnv): Check TREE_NO_WARNING on a
4427 PLUS_EXPR or MINUS_EXPR node before setting *strict_overflow_p.
4428 (extract_range_from_assert): Set TREE_NO_WARNING when creating an
4430 (test_for_singularity): Likewise.
4432 2007-06-05 H.J. Lu <hongjiu.lu@intel.com>
4434 * config/i386/constraints.md ("Y2"): Replaced by ...
4436 * config/i386/i386.md: Likewise.
4437 * config/i386/mmx.md: Likewise.
4438 * config/i386/sse.md: Likewise.
4440 2007-06-05 H.J. Lu <hongjiu.lu@intel.com>
4442 * config/i386/constraints.md ("z"): Replaced by ...
4444 * config/i386/sse.md (sse4_1_blendvpd): Likewise.
4445 (sse4_1_blendvps): Likewise.
4446 (sse4_1_pblendvb): Likewise.
4447 (sse4_2_pcmpestr): Likewise.
4448 (sse4_2_pcmpestrm): Likewise.
4449 (sse4_2_pcmpestr_cconly): Likewise.
4450 (sse4_2_pcmpistr): Likewise.
4451 (sse4_2_pcmpistrm): Likewise.
4452 (sse4_2_pcmpistr_cconly): Likewise.
4454 2007-06-05 Razya Ladelsky <razya@il.ibm.com>
4456 * matrix-reorg.c (transform_access_sites): Fix computation.
4457 (transform_allocation_sites): Same.
4459 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
4461 * config/i386/i386.c (override_options): Use
4462 TARGET_SUBTARGET32_ISA_DEFAULT to select default ix86_isa_flags.
4464 2007-06-05 Uros Bizjak <ubizjak@gmail.com>
4466 * config/i386/predicates.md (reg_not_xmm0_operand): New predicate.
4467 (nonimm_not_xmm0_operand): Ditto.
4468 * config/i386/sse.md ("sse4_1_blendvpd"): Use "reg_not_xmm0_operand"
4469 as operand[0] and operand[1] predicate. Use "nonimm_not_xmm0_operand"
4470 as operand[2] predicate. Require "z" class XMM register for
4471 operand[3]. Adjust asm template.
4472 ("sse4_1_blendvpd"): Ditto.
4473 ("sse4_1_pblendvb"): Ditto.
4474 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Do not
4475 force op2 into xmm0 register for variable blend instructions.
4477 2007-06-04 Tom Tromey <tromey@redhat.com>
4479 * c-tree.h (start_enum): Update.
4480 (build_enumerator): Likewise.
4481 * c-decl.c (enum_next_value): Removed.
4482 (enum_overflow): Likewise.
4483 (start_enum): Add c_enum_contents argument. Don't use globals.
4484 (build_enumerator): Likewise.
4485 * c-tree.h (struct c_enum_contents): New struct.
4487 2007-06-04 Tom Tromey <tromey@redhat.com>
4489 * c-common.c (c_common_get_alias_set): Fix indentation.
4491 2007-06-04 Ian Lance Taylor <iant@google.com>
4493 * tree-vrp.c (adjust_range_with_scev): When loop is not expected
4494 to overflow, reduce overflow infinity to regular infinity.
4495 (vrp_var_may_overflow): New static function.
4496 (vrp_visit_phi_node): Check vrp_var_may_overflow.
4498 2007-06-04 Kazu Hirata <kazu@codesourcery.com>
4500 * stor-layout.c (layout_type): Remove duplicate code.
4502 2007-06-04 Uros Bizjak <ubizjak@gmail.com>
4505 * gcc/c-common.c (c_define_builtins): Call targetm.init_builtins ()
4506 before build_common_builtin_nodes ().
4508 2007-06-04 Steve Ellcey <sje@cup.hp.com>
4511 * cfgrtl.c (rtl_verify_flow_info): Skip notes when looking for barrier.
4513 2007-06-04 Jan Hubicka <jh@suse.cz>
4515 * tree-predcom.c (replace_ref_with, initialize_root_vars_lm,
4516 reassociate_to_the_same_stmt): Call build_gimple_modify_stmt
4517 instead of _stat version.
4519 2007-06-03 Zdenek Dvorak <dvorakz@suse.cz>
4521 PR tree-optimization/32194
4522 * tree-predcom.c (determine_offset): Check that both references have
4525 2007-06-03 Zdenek Dvorak <dvorakz@suse.cz>
4527 * cfgloopmanip.c (remove_path, loopify, duplicate_loop_to_header_edge):
4528 Change dom_bbs to vector. Add argument to iterate_fix_dominators call.
4529 * loop-unroll.c (unroll_loop_runtime_iterations): Ditto.
4530 * tree-cfg.c (tree_duplicate_sese_region): Change doms to vector.
4531 Add argument to iterate_fix_dominators call.
4532 (remove_edge_and_dominated_blocks): Pass vector to bbs_to_fix_dom.
4533 * gcse.c (hoist_code): Change domby to vector.
4534 * cfghooks.c (make_forwarder_block): Change doms_to_fix to vector.
4535 Add argument to iterate_fix_dominators call.
4536 * loop-doloop.c (doloop_modify): Changed recount_dominator to
4537 recompute_dominator.
4538 * lambda-code.c (perfect_nestify): Ditto.
4539 * cfgloopanal.c: Include graphds.h.
4540 (struct edge, struct vertex, struct graph, dump_graph, new_graph,
4541 add_edge, dfs, for_each_edge, free_graph): Moved to graphds.c.
4542 (mark_irreducible_loops): Use graphds_scc. Remove argument from
4544 * graphds.c: New file.
4545 * graphds.h: New file.
4546 * dominance.c: Include vecprim.h, pointer-set.h and graphds.h.
4547 (get_dominated_by, get_dominated_by_region): Change return type to
4549 (verify_dominators): Recompute all dominators and compare the results.
4550 (recount_dominator): Renamed to ...
4551 (recompute_dominator): ... this. Do not check that the block is
4553 (iterate_fix_dominators): Reimplemented.
4554 (prune_bbs_to_update_dominators, root_of_dom_tree,
4555 determine_dominators_for_sons): New functions.
4556 * et-forest.c (et_root): New function.
4557 * et-forest.h (et_root): Declare.
4558 * Makefile.in (graphds.o): Add.
4559 (cfgloopanal.o): Add graphds.h dependency.
4560 (dominance.o): Add graphds.h, vecprim.h and pointer-set.h dependency.
4561 * basic-block.h (get_dominated_by, get_dominated_by_region,
4562 iterate_fix_dominators): Declaration changed.
4563 (recount_dominator): Renamed to ...
4564 (recompute_dominator): ... this.
4565 * tree-ssa-threadupdate.c (thread_block): Free dominance info.
4566 (thread_through_all_blocks): Do not free dominance info.
4568 2007-06-03 Andreas Schwab <schwab@suse.de>
4570 * config/m68k/m68k.c (override_options): Don't override
4572 * config/m68k/m68k-modes.def (SF, DF): Define to use
4573 motorola_single_format and motorola_double_format, resp.
4574 * real.c (motorola_single_format): Renamed from
4575 coldfire_single_format.
4576 (motorola_double_format): Renamed from coldfire_double_format.
4577 (encode_ieee_extended): Generate a proper canonical NaN image
4578 respecting canonical_nan_lsbs_set.
4579 (ieee_extended_motorola_format): Set canonical_nan_lsbs_set to
4581 * real.h: Adjust declarations.
4583 2007-06-03 Kaz Kojima <kkojima@gcc.gnu.org>
4586 * config/sh/sh.md (symGOT_load): Don't schedule insns when
4587 the symbol is generated with the stack protector.
4589 2007-06-03 Kazu Hirata <kazu@codesourcery.com>
4591 * config/m68k/m68k.c (m68k_attribute_table): Add "interrupt".
4592 (m68k_get_function_kind): Return m68k_fk_interrupt_handler on
4594 * doc/extend.texi (interrupt): Mention m68k.
4596 2007-06-02 Uros Bizjak <ubizjak@gmail.com>
4598 * config/i386/i386.c (ix86_expand_sse_4_operands_builtin): Call
4599 safe_vector_operand() if input operand is VECTOR_MODE_P operand.
4600 (ix86_expand_sse_pcmpestr): Do not check operands for
4601 "register_operand", when insn operand predicate is "register_operand".
4602 (ix86_expand_sse_pcmpistr): Ditto.
4604 2007-06-02 H.J. Lu <hongjiu.lu@intel.com>
4605 Uros Bizjak <ubizjak@gmail.com>
4607 * config/i386/i386.h (enum reg_class) [SSE_FIRST_REG]: New.
4608 (SSE_CLASS_P): Use reg_class_subset_p between SSE_REGS.
4609 (REG_CLASS_NAMES): Add "FIRST_SSE_REG" string.
4610 (REG_CLASS_CONTENTS): Add members of FIRST_SSE_REG class.
4611 * config/i386/constraints.md ("z"): New register constraint
4612 for members of SSE_FIRST_REG class.
4613 * config/i386/i386-modes.def (CCA, CCC, CCO, CCS): New compare modes.
4614 * config/i386/i386.c (regclass_map): Change class of %xmm0 to
4615 SSE_FIRST_REG class.
4616 (put_condition_code) [EQ, NE]: Output suffixes for new compare modes.
4617 (ix86_cc_modes_compatible): Handle CCA, CCC, CCO and CCS modes.
4618 (IX86_BUILTIN_PCMPESTRI128): New for SSE4.2.
4619 (IX86_BUILTIN_PCMPESTRM128): Likewise.
4620 (IX86_BUILTIN_PCMPESTRA128): Likewise.
4621 (IX86_BUILTIN_PCMPESTRC128): Likewise.
4622 (IX86_BUILTIN_PCMPESTRO128): Likewise.
4623 (IX86_BUILTIN_PCMPESTRS128): Likewise.
4624 (IX86_BUILTIN_PCMPESTRZ128): Likewise.
4625 (IX86_BUILTIN_PCMPISTRI128): Likewise.
4626 (IX86_BUILTIN_PCMPISTRM128): Likewise.
4627 (IX86_BUILTIN_PCMPISTRA128): Likewise.
4628 (IX86_BUILTIN_PCMPISTRC128): Likewise.
4629 (IX86_BUILTIN_PCMPISTRO128): Likewise.
4630 (IX86_BUILTIN_PCMPISTRS128): Likewise.
4631 (IX86_BUILTIN_PCMPISTRZ128): Likewise.
4632 (struct builtin_description): Change "flag" field to unsigned.
4633 (bdesc_pcmpestr): New builtin description table.
4634 (bdesc_pcmpistr): Likewise.
4635 (ix86_init_mmx_sse_builtins): Define int_ftype_v16qi_int_v16qi_int_int,
4636 v16qi_ftype_v16qi_int_v16qi_int_int and int_ftype_v16qi_v16qi_int.
4637 Initialize pcmp[ei]str[im] insns for SSE4.2.
4638 (ix86_expand_sse_pcmpestr): New subroutine of ix86_expand_builtin.
4639 (ix86_expand_sse_pcmpistr): Likewise.
4640 (ix86_expand_builtin): Expand pcmp[ei]str[im] builtins for SSE4.2.
4641 * config/i386/i386.md (UNSPEC_PCMPESTR): New for SSE4.2.
4642 (UNSPEC_PCMPISTR): Likewise.
4643 * config/i386/sse.md (sse4_2_pcmpestr): New insn patern and splitter.
4644 (sse4_2_pcmpestri):New isns pattern.
4645 (sse4_2_pcmpestrm): Likewise.
4646 (sse4_2_pcmpestr_cconly): Likewise.
4647 (sse4_2_pcmpistr): New insn patern and splitter.
4648 (sse4_2_pcmpistri):New isns pattern.
4649 (sse4_2_pcmpistrm): Likewise.
4650 (sse4_2_pcmpistr_cconly): Likewise.
4651 * config/i386/smmintrin.h: Enable pcmp[ei]str[im] intrinsics
4654 2007-06-01 David Daney <ddaney@avtrex.com>
4656 * config/mips/mips.c (mips_output_mi_thunk): Only load gp if not
4657 LOADGP_ABSOLUTE and not binds_local_p.
4659 2007-06-01 Geoffrey Keating <geoffk@apple.com>
4661 * config/darwin.h (LINK_SPEC): Pass -fpie through to the linker.
4663 2007-06-01 Ian Lance Taylor <iant@google.com>
4665 * tree-vrp.c (compare_name_with_value): Always set
4666 used_strict_overflow if we get a result from the variable itself.
4668 2007-06-01 Ian Lance Taylor <iant@google.com>
4670 PR rtl-optimization/31455
4671 * lower-subreg.c (find_decomposable_subregs): Don't decompose
4672 subregs which have a cast between modes which are not tieable.
4674 2007-06-01 Uros Bizjak <ubizjak@gmail.com>
4676 * expr.c (force_operand) [DIV, MOD, UDIV, UMOD, ASHIFTRT]: Remove
4677 breaks after return statements.
4679 2007-06-01 Kaz Kojima <kkojima@gcc.gnu.org>
4681 * config/sh/sh.c (fpscr_set_from_mem): Call get_free_reg
4682 only after no_new_pseudos.
4684 2007-05-31 Eric Christopher <echristo@apple.com>
4686 * expr.c (convert_move): Assert that we don't have a BLKmode
4688 (store_expr): Handle BLKmode moves by calling emit_block_move.
4690 2007-05-31 Daniel Berlin <dberlin@dberlin.org>
4692 * c-typeck.c (build_indirect_ref): Include type in error message.
4693 (build_binary_op): Pass types to binary_op_error.
4694 * c-common.c (binary_op_error): Take two type arguments, print out
4696 * c-common.h (binary_op_error): Update prototype.
4698 2007-05-31 H.J. Lu <hongjiu.lu@intel.com>
4700 * config/i386/i386.c: Correct coments on -mno-sse4.
4702 2007-05-31 H.J. Lu <hongjiu.lu@intel.com>
4704 * config.gcc (i[34567]86-*-*): Add nmmintrin.h to extra_headers.
4705 (x86_64-*-*): Likewise.
4706 * config/i386/i386.c (OPTION_MASK_ISA_MMX_UNSET): New.
4707 (OPTION_MASK_ISA_3DNOW_UNSET): Likewise.
4708 (OPTION_MASK_ISA_SSE_UNSET): Likewise.
4709 (OPTION_MASK_ISA_SSE2_UNSET): Likewise.
4710 (OPTION_MASK_ISA_SSE3_UNSET): Likewise.
4711 (OPTION_MASK_ISA_SSSE3_UNSET): Likewise.
4712 (OPTION_MASK_ISA_SSE4_1_UNSET): Likewise.
4713 (OPTION_MASK_ISA_SSE4_2_UNSET): Likewise.
4714 (OPTION_MASK_ISA_SSE4): Likewise.
4715 (OPTION_MASK_ISA_SSE4_UNSET): Likewise.
4716 (OPTION_MASK_ISA_SSE4A_UNSET): Likewise.
4717 (ix86_handle_option): Use OPTION_MASK_ISA_*_UNSET. Handle SSE4.2.
4718 (override_options): Support SSE4.2.
4719 (ix86_build_const_vector): Support SImode and DImode.
4720 (ix86_build_signbit_mask): Likewise.
4721 (ix86_expand_int_vcond): Support V2DImode.
4722 (IX86_BUILTIN_CRC32QI): New for SSE4.2.
4723 (IX86_BUILTIN_CRC32HI): Likewise.
4724 (IX86_BUILTIN_CRC32SI): Likewise.
4725 (IX86_BUILTIN_CRC32DI): Likewise.
4726 (IX86_BUILTIN_PCMPGTQ): Likewise.
4727 (bdesc_crc32): Likewise.
4728 (bdesc_sse_3arg): Likewise.
4729 (ix86_expand_crc32): Likewise.
4730 (ix86_init_mmx_sse_builtins): Support SSE4.2.
4731 (ix86_expand_builtin): Likewise.
4732 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
4733 __SSE4_2__ for -msse4.2.
4734 * config/i386/i386.md (UNSPEC_CRC32): New for SSE4.2.
4735 (CRC32MODE): Likewise.
4736 (crc32modesuffix): Likewise.
4737 (crc32modeconstraint): Likewise.
4738 (sse4_2_crc32<mode>): Likewise.
4739 (sse4_2_crc32di): Likewise.
4740 * config/i386/i386.opt (msse4.2): New for SSE4.2.
4742 * config/i386/nmmintrin.h: New. The dummy SSE4.2 intrinsic header file.
4743 * config/i386/smmintrin.h: Add SSE4.2 intrinsics.
4744 * config/i386/sse.md (sse4_2_gtv2di3): New pattern for SSE4.2.
4745 (vcond<mode>): Use SSEMODEI instead of SSEMODE124.
4746 (vcondu<mode>): Likewise.
4747 * doc/extend.texi: Document SSE4.2 built-in functions.
4748 * doc/invoke.texi: Document -msse4.2/-msse4.
4750 2007-05-31 Zdenek Dvorak <dvorakz@suse.cz>
4752 PR tree-optimization/32160
4753 * tree-predcom.c (predcom_tmp_var): New function. Mark created
4754 variable as gimple reg.
4755 (initialize_root_vars, initialize_root_vars_lm): Use predcom_tmp_var.
4757 2007-05-31 Kazu Hirata <kazu@codesourcery.com>
4759 * gcc.c (main): Don't consider linker options when issuing the
4760 warning about a linker input file not being used.
4762 2007-05-30 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
4764 * tree-vrp.c (compare_names): Initialize sop.
4766 2007-05-30 Dirk Mueller <dmueller@suse.de>
4768 * cgraphunit.c (cgraph_analyze_function): Remove
4769 computation of inline parameters.
4771 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
4773 * config/i386/darwin.h (TARGET_SUBTARGET_DEFAULT): Undef before define.
4775 2007-05-30 Richard Sandiford <richard@codesourcery.com>
4777 * config.gcc (arm-wrs-vxworks): Remove dbxelf.h from tm_file.
4778 Add vx-common.h. Include vxworks.h between vx-common.h and
4780 * config/vx-common.h (DWARF2_UNWIND_INFO): Undefine before
4782 * config/vxworks.h (TARGET_ASM_CONSTRUCTOR): Likewise.
4783 (TARGET_ASM_DESTRUCTOR): Likewise.
4784 * config/arm/vxworks.h (TARGET_OS_CPP_BUILTINS): Check arm_arch_xscale
4785 instead of arm_is_xscale. Use VXWORKS_OS_CPP_BUILTINS.
4786 (OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
4787 (CC1_SPEC): Add -tstrongarm. Line up backslashes.
4788 (VXWORKS_ENDIAN_SPEC): Define.
4789 (ASM_SPEC): Add VXWORKS_ENDIAN_SPEC.
4790 (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine to their
4791 VXWORKS_* equivalents.
4792 (LINK_SPEC): Likewise, but add VXWORKS_ENDIAN_SPEC.
4793 (ASM_FILE_START): Delete.
4794 (TARGET_VERSION): Reformat.
4795 (FPUTYPE_DEFAULT, FUNCTION_PROFILER): Define.
4796 (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define.
4797 * config/arm/t-vxworks (LIB1ASMSRC, LIB1ASMFUNCS): Define.
4798 (FPBIT, DPBIT): Define.
4799 (fp-bit.c, dp-bit.c): New rules.
4800 (MULTILIB_OPTIONS): Add strongarm, -mrtp and -mrtp/-fPIC multilibs.
4801 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Define.
4802 * config/arm/arm-protos.h (arm_emit_call_insn): Declare.
4803 * config/arm/arm.h: Include vxworks-dummy.h.
4804 * config/arm/arm.c (arm_elf_asm_constructor, arm_elf_asm_destructor):
4805 Mark with ATTRIBUTE_UNUSED.
4806 (arm_override_options): Do not allow VxWorks RTP PIC to be used
4807 for Thumb. Force r9 to be the PIC register for VxWorks RTPs and
4808 make it incompatible with -msingle-pic-base.
4809 (arm_function_ok_for_sibcall): Return false for calls that might
4810 go through a VxWorks PIC PLT entry.
4811 (require_pic_register): New function, split out from...
4812 (legitimize_pic_address): ...here. Do not use GOTOFF accesses
4814 (arm_load_pic_register): Handle the VxWorks RTP initialization
4815 sequence. Use pic_reg as a shorthand for cfun->machine->pic_reg.
4816 (arm_emit_call_insn): New function.
4817 (arm_assemble_integer): Do not use GOTOFF accesses for VxWorks RTP.
4818 * config/arm/arm.md (UNSPEC_PIC_OFFSET): New unspec number.
4819 (pic_offset_arm): New pattern.
4820 (call, call_value): Use arm_emit_call_insn.
4821 (call_internal, call_value_internal): New expanders.
4822 * config/arm/lib1funcs.asm (__PLT__): Define to empty for
4823 VxWorks unless __PIC__.
4825 2007-05-30 Eric Christopher <echristo@gmail.com>
4827 * genrecog.c: Include regs.h in generated file.
4828 * genemit.c: Ditto. Fix up formatting.
4829 * config/mn10300/constraints.md: New.
4830 * config/mn10300/mn10300.md: Include.
4831 * config/mn10300/mn10300.c(mn10300_secondary_reload_class):
4832 Fix up for removed macro.
4833 * config/mn10300/predicates.md (call_address_operand): Ditto.
4834 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Delete.
4835 (CONST_OK_FOR_I): Ditto.
4836 (CONST_OK_FOR_J): Ditto.
4837 (CONST_OK_FOR_K): Ditto.
4838 (CONST_OK_FOR_L): Ditto.
4839 (CONST_OK_FOR_M): Ditto.
4840 (CONST_OK_FOR_N): Ditto.
4841 (CONST_DOUBLE_OK_FOR_LETTER_P): Ditto.
4845 (EXTRA_CONSTRAINT): Ditto.
4847 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
4849 * config/i386/i386.h (MASK_64BIT, MASK_MMX, MASK_3DNOW*, MASK_SSE*):
4851 * config/i386/biarch.h (TARGET_64BIT_DEFAULT): Define to
4852 OPTION_MASK_ISA_64BIT.
4853 * config/i386/i386.c: Rename MASK_* macros to OPTION_MASK_ISA_*.
4855 2007-05-30 Richard Guenther <rguenther@suse.de>
4858 * gimplify.c (gimplify_omp_atomic_pipeline): Use correct
4859 types for comparison.
4860 * fold-const.c (fold_comparison): Call maybe_canonicalize_comparison
4861 with original typed arguments.
4862 * config/i386/i386.c (ix86_gimplify_va_arg): Fix type mismatches.
4864 2007-05-30 Jakub Jelinek <jakub@redhat.com>
4866 PR tree-optimization/31769
4867 * except.c (duplicate_eh_regions): Clear prev_try if
4868 ERT_MUST_NOT_THROW region is inside of ERT_TRY region.
4870 2007-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4872 * tree-scalar-evolution.c (scev_const_prop): Do not create labels.
4873 * tree-ssa-sink.c (statement_sink_location): Return basic block and
4874 bsi of the location where statements should be inserted.
4875 (sink_code_in_bb): Take bsi from statement_sink_location.
4876 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use bsi_after_labels
4877 instead of bsi_start.
4878 * tree-profile.c (tree_gen_ic_func_profiler): Pass BSI_NEW_STMT to
4880 * tree-cfg.c (bsi_move_after): Pass BSI_NEW_STMT to bsi_insert_after.
4881 (bsi_move_before): Document inconsistency with bsi_move_after.
4882 (tree_redirect_edge_and_branch): Do not create labels if not necessary.
4884 2007-05-30 Uros Bizjak <ubizjak@gmail.com>
4886 * config/i386/i386.h (TARGET_ABM): New define.
4887 (TARGET_POPCNT): Ditto.
4888 (TARGET_64BIT, TARGET_MMX, TARGET_3DNOW, TARGET_3DNOW_A, TARGET_SSE*):
4889 New temporary defines to redefine from OPTION_ISA_* defines.
4890 (MASK_64BIT, MASK_MMX, MASK_3DNOW, MASK_3DNOW_A, MASK_SSE*):
4891 New temporary defines to redefine from OPTION_MASK_ISA_* defines.
4892 (ix86_isa_flags): New extern int declaration.
4893 (TARGET_SUBTARGET_DEFAULT): New define.
4894 (TARGET_SUBTARGET_ISA_DEFAULT): Ditto.
4895 (TARGET_SUBTARGET32_DEFAULT): Ditto.
4896 (TARGET_SUBTARGET32_ISA_DEFAULT): Ditto.
4897 (TARGET_SUBTARGET64_ISA_DEFAULT): Ditto.
4898 * config/i386/unix.h: Undef TARGET_SUBTARGET_DEFAULT before define.
4899 * config/i386/darwin.h: Change TARGET_64BIT define to
4902 * config/i386/i386.opt (m3dnowa): Define as undocumented option
4903 using existing "ix86_isa_flags" varible.
4904 (m32, m64): Use existing "ix86_isa_flags" variable.
4905 (mmmx, m3dnow): Ditto.
4906 (msse, msse2, msse3, mssse3, msse4.1, msse4a): Ditto.
4907 (mabm): Define as non-negative option using "x86_abm" variable.
4908 (mpopcnt): Define as non-negative option using "x86_popcnt" variable.
4910 * config/i386/i386.c (ix86_arch_features) [X86_ARCH_CMOVE]:
4911 Rewrite feature test bitmap.
4912 (ix86_isa_flags): New initialized global int varible.
4913 (ix86_isa_flags_explicit): New static int variable.
4914 (ix86_handle_option): Set "ix86_isa_flags_explicit" when mmmx, m3dnow,
4915 msse, msse2, msse3, msse4.1 and msse4a option is processed. Change
4916 i86_isa_flags and ix86_isa_flags_explicit, not target_flags and
4917 target_flags_explicit.
4918 (override_options): Remove "target_enable" and "target_disable" fields
4919 from "struct ptt". Update processor_target_table accordingly. Remove
4920 PTA_PREFETCH_SSE from processor_alias_table entry if PTE_SSE is
4921 defined and rearrange PTA_* bits. Use "ix86_isa_flags" instead of
4922 "target_flags" and "ix86_isa_flags_explicit" instead of
4923 "target_flags_explicit" when masked with MASK_64BIT, MASK_MMX,
4924 MASK_3DNOW, MASK_3DNOW_A or MASK_SSE*. Set "x86_abm" to true when
4925 PTA_ABM is set in processor_alias_table flags entry. Set "x86_popcnt"
4926 to true when either of PTA_POPCNT or PTA_ABM is set in
4927 processor_alias_table flags entry. Set "x86_prefetch_sse" to true
4928 when either of PTA_PREFETCH_SSE or PTA_SSE is set in
4929 processor_alias_table flags entry. Remove handling of
4930 "target_enable" and "target_disable" fields of processor_target_table.
4931 Mask "target_flags" with TARGET_SUBTARGET32_DEFAULT for 32-bit
4932 targets or with TARGET_SUBTARGET64_DEFAULT for 64-bit targets.
4933 Mask "ix86_isa_flags" with TARGET_SUBTARGET32_ISA_DEFAULT for 32-bit
4934 targets or with TARGET_SUBTARGET64_ISA_DEFAULT for 64-bit targets.
4935 (def_builtin): Mask "mask" variable with "ix86_isa_flags", not
4937 (TARGET_DEFAULT_TARGET_FLAGS): Do not include TARGET_64BIT_DEFAULT.
4939 2007-05-29 David Daney <ddaney@avtrex.com>
4942 * config/mips/mips.c (mips_output_mi_thunk): Emit
4943 NOTE_INSN_PROLOGUE_END at beginning of the thunk.
4945 2007-05-29 Hui-May Chang <hm.chang@apple.com>
4946 * config/i386/i386.c (ix86_function_regparm): Added checking of
4947 ix86_force_align_arg_pointer to determine the number of
4948 register parameters.
4950 2007-05-29 Zdenek Dvorak <dvorakz@suse.cz>
4952 * tree-vectorizer.h (DR_MISALIGNMENT): Cast aux to integer.
4953 (SET_DR_MISALIGNMENT): New.
4954 * tree-vect-analyze.c (vect_compute_data_ref_alignment,
4955 vect_update_misalignment_for_peel, vect_enhance_data_refs_alignment):
4956 Use SET_DR_MISALIGNMENT.
4957 * tree-predcom.c (split_data_refs_to_components): Cast dr->aux from
4959 * tree-data-ref.c (create_data_ref, compute_all_dependences,
4960 find_loop_nest): Export.
4961 * tree-data-ref.h (struct data_reference): Change aux field to pointer.
4962 (create_data_ref, compute_all_dependences, find_loop_nest): Declare.
4963 * tree-ssa-loop-prefetch.c: Include tree-data-ref.h.
4964 (L1_CACHE_SIZE_BYTES, L2_CACHE_SIZE_BYTES, NONTEMPORAL_FRACTION):
4966 (struct mem_ref): Add field reuse_distance.
4967 (find_or_create_group, record_ref): Use XNEW instead of xcalloc.
4968 Initialize reuse_distance field.
4969 (issue_prefetch_ref): Select temporality of prefetch according to
4971 (volume_of_references, volume_of_dist_vector, add_subscript_strides,
4972 self_reuse_distance, determine_loop_nest_reuse): New functions.
4973 (loop_prefetch_arrays): Call determine_loop_nest_reuse.
4974 (tree_ssa_prefetch_arrays): Dump L2 cache size.
4975 * Makefile.in (tree-ssa-loop-prefetch.o): Add TREE_DATA_REF_H
4978 2007-05-29 Daniel Berlin <dberlin@dberlin.org>
4980 * tree-ssa-alias.c: Add aliasing overview.
4982 2007-05-29 Zuxy Meng <zuxy.meng@gmail.com>
4983 Danny Smith <dannysmith@users.sourceforge.net>
4986 * config/i386/t-crtfm: Compile crtfastmath.o with
4987 -minline-all-stringops.
4988 * config/i386/cygwin.h (ENDFILE_SPECS): Add crtfastmath.o.
4989 * config/i386/mingw32.h (ENDFILE_SPECS): Add crtfastmath.o.
4991 2007-05-28 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4993 * doc/md.texi: Document constraints on HP PA-RISC.
4995 * pa/constraints.md: New file.
4996 * pa.md: Include constraints.md.
4997 * pa.c (cint_ok_for_move): Avoid using CONST_OK_FOR_LETTER_P.
4998 (integer_store_memory_operand, ldil_cint_p): New functions.
4999 * pa-protos.h (integer_store_memory_operand, ldil_cint_p): Declare.
5000 * pa.h (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
5001 IS_RELOADING_PSEUDO_P, EXTRA_CONSTRAINT): Remove.
5002 * pa32-regs.h (REG_CLASS_FROM_LETTER): Remove.
5003 * pa64-regs.h (REG_CLASS_FROM_LETTER): Remove.
5005 2007-05-28 Andrew Pinski <Andrew_pinski@playstation.sony.com>
5008 * c-typeck.c (build_unary_op <case PREINCREMENT_EXPR,
5009 case POSTINCREMENT_EXPR, case PREDECREMENT_EXPR,
5010 case POSTDECREMENT_EXPR>): Return the error_mark_node
5011 if either the real or imaginary parts would an
5014 2007-05-28 Daniel Berlin <dberlin@dberlin.org>
5016 * tree-ssa-dce.c (eliminate_unnecessary_stmts): Release LHS SSA
5017 name when we remove it from a call.
5019 2007-05-28 Kazu Hirata <kazu@codesourcery.com>
5021 * targhooks.c (default_narrow_bitfield): Remove.
5022 * targhooks.h: Remove the prototype for
5023 default_narrow_bitfield.
5025 * langhooks-def.h: Remove the prototype for
5026 hook_get_alias_set_0.
5027 * langhooks.c (hook_get_alias_set_0): Remove.
5029 * global.c (EXECUTE_IF_CONFLICT): Remove.
5031 2007-05-28 Andrew Pinski <andrew_pinski@playstation.sony.com>
5034 * fold-const.c (tree_expr_nonnegative_warnv_p): Don't
5035 return true when truth_value_p is true and the type
5038 2007-05-28 Gerald Pfeifer <gerald@pfeifer.com>
5040 * doc/install.texi (Prerequisites): We no longer require Autoconf
5041 2.13 for the top-level.
5043 2007-05-28 Uros Bizjak <ubizjak@gmail.com>
5045 * target/i386/i386.c (ix86_expand_vector_move): Expand unaligned
5046 memory access via x86_expand_vector_move_misalign() only for
5047 TImode values on 32-bit targets.
5049 2007-05-28 Razya Ladelsky <razya@il.ibm.com>
5051 * matrix-reorg.c: New file. Implement matrix flattening and
5052 transposing optimization.
5053 * tree-pass.h: Add matrix reorg pass.
5054 * common.opt: Add fipa-mreorg flag.
5055 * Makefile.in: Add matrix-reorg.c.
5056 * passes.c: Add matrix reorg pass.
5057 * varpool.c (add_new_static_var): New function.
5058 * cgraph.h (add_new_static_var): Declare.
5060 2007-05-27 Eric Christopher <echristo@apple.com>
5062 * config/rs6000/rs6000.c (rs6000_emit_prologue): Update
5063 sp_offset depending on stack size. Save r12 depending
5064 on registers we're saving later.
5065 (rs6000_emit_epilogue): Update sp_offset depending only
5068 2007-05-27 Zdenek Dvorak <dvorakz@suse.cz>
5070 * tree-vrp.c (execute_vrp): Do not check whether current_loops == NULL.
5071 * tree-chrec.c (evolution_function_is_invariant_rec_p): Ditto.
5072 * ifcvt.c (if_convert): Ditto.
5073 * tree-ssa-threadupdate.c (thread_block): Ditto.
5074 (thread_through_all_blocks): Ditto. Assert that loops were analysed.
5075 * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa,
5076 verify_loop_closed_ssa): Check number_of_loops instead of
5078 * predict.c (tree_estimate_probability): Ditto.
5079 * tree-if-conv.c (main_tree_if_conversion): Ditto.
5080 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
5081 * modulo-sched.c (sms_schedule): Ditto.
5082 * tree-scalar-evolution.c (scev_const_prop): Ditto.
5083 (scev_finalize): Do not do anything if scev analysis was not
5085 * cfgloopanal.c (mark_irreducible_loops): Do not check whether
5086 current_loops == NULL.
5087 (mark_loop_exit_edges): Check number_of_loops instead of current_loops.
5088 * loop-init.c (loop_optimizer_init): Do not free current_loops when
5090 (loop_optimizer_finalize): Assert that loops were analyzed.
5091 (rtl_move_loop_invariants, rtl_unswitch, rtl_unroll_and_peel_loops,
5092 rtl_doloop): Check number_of_loops instead of current_loops.
5093 * tree-ssa-loop.c (tree_loop_optimizer_init): Do not check whether
5094 current_loops == NULL.
5095 (tree_ssa_loop_init, tree_ssa_loop_im, tree_ssa_loop_unswitch,
5096 gate_tree_vectorize tree_linear_transform, check_data_deps,
5097 tree_ssa_loop_ivcanon, tree_ssa_empty_loop, tree_ssa_loop_bounds,
5098 tree_complete_unroll, tree_ssa_loop_prefetch, tree_ssa_loop_ivopts):
5099 Check number_of_loops instead of current_loops.
5100 (tree_ssa_loop_done): Do not check whether current_loops == NULL.
5101 * tree-ssa-pre.c (fini_pre): Do not take do_fre argument. Always
5102 free loops if available.
5103 (execute_pre): Do not pass do_fre to fini_pre.
5105 2007-05-27 Tobias Burnus <burnus@net-b.de>
5108 * real.c (mpfr_from_real): Fix sign of -Inf.
5110 2007-05-27 H.J. Lu <hongjiu.lu@intel.com>
5112 * tree-vect-transform.c (vectorizable_conversion): Initialize
5113 tree_code variables to ERROR_MARK.
5114 (vectorizable_type_demotion): Likewise.
5115 (vectorizable_type_promotion): Likewise.
5117 2007-05-26 Uros Bizjak <ubizjak@gmail.com>
5120 * config/i386/i386.md (movti): Handle push operands via
5123 2007-05-26 Kazu Hirata <kazu@codesourcery.com>
5125 * basic-block.h: Remove the prototype for merge_seq_blocks.
5126 * cfgcleanup.c (merge_seq_blocks): Remove.
5128 * tree-flow.h: Remove the prototype for is_aliased_with.
5129 * tree-ssa-alias.c (is_aliased_with): Remove.
5131 2007-05-26 H.J. Lu <hongjiu.lu@intel.com>
5133 * config/i386/i386-protos.h (ix86_expand_sse4_unpack): New.
5135 * config/i386/i386.c (ix86_expand_sse4_unpack): New.
5137 * config/i386/sse.md (vec_unpacku_hi_v16qi): Call
5138 ix86_expand_sse4_unpack if SSE4.1 is enabled.
5139 (vec_unpacks_hi_v16qi): Likewise.
5140 (vec_unpacku_lo_v16qi): Likewise.
5141 (vec_unpacks_lo_v16qi): Likewise.
5142 (vec_unpacku_hi_v8hi): Likewise.
5143 (vec_unpacks_hi_v8hi): Likewise.
5144 (vec_unpacku_lo_v8hi): Likewise.
5145 (vec_unpacks_lo_v8hi): Likewise.
5146 (vec_unpacku_hi_v4si): Likewise.
5147 (vec_unpacks_hi_v4si): Likewise.
5148 (vec_unpacku_lo_v4si): Likewise.
5149 (vec_unpacks_lo_v4si): Likewise.
5151 2007-05-26 Kazu Hirata <kazu@codesourcery.com>
5153 * c-typeck.c, config/arm/arm.c, config/darwin.c,
5154 config/sh/symbian.c, gcc.c, ipa-cp.c, ipa-inline.c, loop-iv.c,
5155 omega.c, tree-ssa-loop-niter.c, treestruct.def: Fix typos and
5156 follow spelling conventions in various
5157 warning/error/diagnostic messages.
5159 * config/i386/i386.c, config/pa/pa.c, config/spu/spu.c,
5160 df-problems.c, df-scan.c, domwalk.c, ebitmap.c, ebitmap.h,
5161 fold-const.c, gcc.c, ipa-type-escape.c, omega.c, omega.h,
5162 tree-ssa-coalesce.c, tree-ssa-live.c, tree-ssa-structalias.c,
5163 tree-vrp.c: Fix comment typos. Follow spelling conventions.
5164 * doc/tm.texi: Follow spelling conventions.
5166 2007-05-25 Andrew Pinski <andrew_pinski@playstation.sony.com>
5169 * tree-ssa-forwprop.c
5170 (forward_propagate_addr_into_variable_array_index): Remove
5171 the lhs argument. Use the type of def_rhs instead of lhs.
5172 (forward_propagate_addr_expr_1): Update use of
5173 forward_propagate_addr_into_variable_array_index.
5175 2007-05-25 Sandra Loosemore <sandra@codesourcery.com>
5176 Nigel Stephens <nigel@mips.com>
5178 * config/mips/mips.c (mips_attribute_table): Add "near" and "far"
5179 function attributes, "far" being an alias for "long_call".
5180 (TARGET_COMP_TYPE_ATTRIBUTES): Define as mips_comp_type_attributes.
5181 (mips_near_type_p, mips_far_type_p): New.
5182 (mips_comp_type_attributes): New function to check that attributes
5183 attached to a function type are compatible.
5184 (mips_output_mi_thunk): Test SYMBOL_REF_LONG_CALL_P() rather than
5185 TARGET_LONG_CALLS when deciding whether we can do a direct sibcall
5186 to the target function of the thunk.
5187 (mips_encode_section_info): Check for "near" and "far" function
5188 attributes, and always set the SYMBOL_FLAG_LONG_CALL bit explicitly.
5190 * config/mips/predicates.md (const_call_insn_operand): Test only
5191 SYMBOL_REF_LONG_CALL_P() and not TARGET_LONG_CALLS.
5193 * doc/extend.texi (Function Attributes): Document MIPS "near" and
5196 * testsuite/gcc.target/mips/near-far-1.c: New test case.
5197 * testsuite/gcc.target/mips/near-far-2.c: New test case.
5198 * testsuite/gcc.target/mips/near-far-3.c: New test case.
5199 * testsuite/gcc.target/mips/near-far-4.c: New test case.
5201 2007-05-25 Eric Christopher <echristo@apple.com>
5203 * config.gcc: Add i386/t-fprules-softfp64 and soft-fp/t-softfp
5204 to x86-darwin configurations.
5205 * config/i386/t-darwin: Add softfp support.
5206 * config/i386/t-darwin64: Ditto.
5207 * config/i386/sfp-machine.h: If mach then don't use
5208 aliasing, emit a stub to call.
5210 2007-05-25 Kazu Hirata <kazu@codesourcery.com>
5212 * cfglayout.c, cgraphunit.c, config/avr/avr.c, fold-const.c,
5213 haifa-sched.c, optabs.h, tree-affine.c, tree-data-ref.c,
5214 tree-predcom.c, tree-ssa-alias-warnings.c,
5215 tree-ssa-forwprop.c, tree-vect-analyze.c, tree-vrp.c: Fix
5216 comment typos. Follow spelling conventions.
5217 * doc/cpp.texi, doc/invoke.texi: Fix typos.
5219 2007-05-26 Uros Bizjak <ubizjak@gmail.com>
5222 * target/i386/i386.c (ix86_expand_vector_move): Force SUBREGs of
5223 constants into memory. Expand unaligned memory references for
5224 SSE modes via x86_expand_vector_move_misalign() function.
5226 2007-05-25 Uros Bizjak <ubizjak@gmail.com>
5228 * config/i386/sse.md (*vec_extractv2di_1_sse2): Do not calculate
5229 "memory" attribute for "sseishft" type insn without operands[2].
5231 2007-05-25 Dirk Mueller <dmueller@suse.de>
5232 Marcus Meissner <meissner@suse.de>
5234 * doc/extend.texi (alloc_size): New attribute.
5235 * c-common.c (handle_alloc_size_attribute): New.
5236 * tree-object-size.c (alloc_object_size): Use alloc_size
5237 attribute, if available.
5239 2007-05-25 H.J. Lu <hongjiu.lu@intel.com>
5241 * config/i386/i386.c (__builtin_ia32_vec_ext_v2df): Mark it
5243 (__builtin_ia32_vec_ext_v2di): Likewise.
5244 (__builtin_ia32_vec_ext_v4si): Likewise.
5245 (__builtin_ia32_vec_ext_v8hi): Likewise.
5246 (__builtin_ia32_vec_ext_v16qi): Likewise.
5247 (__builtin_ia32_vec_set_v8hi): Likewise.
5249 2007-05-25 H.J. Lu <hongjiu.lu@intel.com>
5251 * config/i386/sse.md (*vec_extractv2di_1_sse2): Correct shift.
5253 2007-05-25 Richard Sandiford <richard@codesourcery.com>
5255 * config/arm/arm-protos.h (arm_encode_call_attribute): Delete.
5256 (arm_is_longcall_p): Rename to...
5257 (arm_is_long_call_p): ...this. Take a single tree argument and
5259 * config/arm/arm.h (CALL_SHORT, CALL_LONG, CALL_NORMAL): Delete.
5260 (CUMULATIVE_ARGS): Remove call_cookie.
5261 (SHORT_CALL_FLAG_CHAR, LONG_CALL_FLAG_CHAR, ENCODED_SHORT_CALL_ATTR_P)
5262 (ENCODED_LONG_CALL_ATTR_P): Delete.
5263 (ARM_NAME_ENCODING_LENGTHS): Remove SHORT_CALL_FLAG_CHAR and
5264 LONG_CALL_FLAG_CHAR cases.
5265 (ARM_DECLARE_FUNCTION_SIZE): Delete.
5266 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Don't use
5267 ARM_DECLARE_FUNCTION_SIZE.
5268 * config/arm/arm.c (arm_init_cumulative_args): Don't set call_cookie.
5269 (arm_function_arg): Return const0_rtx for VOIDmode arguments.
5270 (arm_encode_call_attribute, current_file_function_operand): Delete.
5271 (arm_function_in_section_p): New function.
5272 (arm_is_longcall_p): Rename to...
5273 (arm_is_long_call_p): ...this. Take the target function as a single
5274 argument and return a bool. Do not rely on call cookies. Check
5275 whether the target symbol is in the same section as the current
5276 function, not just the same compilation unit.
5277 (arm_function_ok_for_sibcall): Use arm_is_long_call_p.
5278 (arm_encode_section_info): Don't encode a call type.
5279 * config/arm/arm.md (call, call_value): Update calls to
5280 arm_is_long(_)call_p. Simplify logic.
5281 (*call_symbol, *call_value_symbol, *call_insn, *call_value_insn):
5282 Update calls to arm_is_long(_)call_p.
5284 2007-05-25 Richard Guenther <rguenther@suse.de>
5286 PR tree-optimization/31982
5287 * tree-ssa-forwprop.c
5288 (forward_propagate_addr_into_variable_array_index): Handle arrays
5289 with element size one.
5291 2007-05-24 Andrew Pinski <andrew_pinski@playstation.sony.com>
5293 * config/spu/spu.md (smulsi3_highpart): Unshare the rtl chain.
5294 (umulsi3_highpart): Likewise.
5296 2007-05-24 Ian Lance Taylor <iant@google.com>
5298 PR rtl-optimization/32069
5299 * regclass.c (regclass): Don't crash if the entry in regno_reg_rtx
5302 2007-05-24 Ollie Wild <aaw@google.com>
5304 * doc/cpp.texi (Common Predefined Macros): Add __COUNTER__
5307 2007-05-24 Richard Sandiford <rsandifo@nildram.co.uk>
5309 * postreload-gcse.c (reg_changed_after_insn_p): New function.
5310 (oprs_unchanged_p): Use it to check all registers in a REG.
5311 (record_opr_changes): Look for clobbers in CALL_INSN_FUNCTION_USAGE.
5312 (reg_set_between_after_reload_p): Delete.
5313 (reg_used_between_after_reload_p): Likewise.
5314 (reg_set_or_used_since_bb_start): Likewise.
5315 (eliminate_partially_redundant_load): Use reg_changed_after_insn_p
5316 and reg_used_between_p instead of reg_set_or_used_since_bb_start.
5317 Use reg_set_between_p instead of reg_set_between_after_reload_p.
5318 * rtlanal.c (reg_set_p): Check whether REG overlaps
5319 regs_invalidated_by_call, rather than just checking the
5320 membership of REGNO (REG).
5322 2007-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5324 * doc/passes.texi: Document predictive commoning.
5325 * doc/invoke.texi (-fpredictive-commoning): Document.
5326 * opts.c (decode_options): Enable flag_predictive_commoning on -O3.
5327 * tree-ssa-loop-im.c (get_lsm_tmp_name): Export. Allow
5328 adding indices to the generated name.
5329 (schedule_sm): Pass 0 to get_lsm_tmp_name.
5330 * tree-ssa-loop-niter.c (stmt_dominates_stmt_p): Export.
5331 * tree-pretty-print.c (op_symbol_1): Renamed to ...
5332 (op_symbol_code): ... and exported.
5333 (dump_omp_clause, op_symbol): Use op_symbol_code
5334 instead of op_symbol_1.
5335 * tree-pass.h (pass_predcom): Declare.
5336 * timevar.def (TV_PREDCOM): New timevar.
5337 * tree-ssa-loop.c (run_tree_predictive_commoning,
5338 gate_tree_predictive_commoning, pass_predcom): New.
5339 * tree-data-ref.c (find_data_references_in_loop): Find the
5340 references in dominance order.
5341 (canonicalize_base_object_address): Ensure that the result has
5343 (dr_analyze_innermost): Export.
5344 (create_data_ref): Code to fail for references with invariant
5346 (find_data_references_in_stmt): ... here.
5347 * tree-data-ref.h (dr_analyze_innermost): Declare.
5348 * tree-affine.c: Include tree-gimple.h and hashtab.h.
5349 (aff_combination_find_elt, name_expansion_hash,
5350 name_expansion_eq, tree_to_aff_combination_expand,
5351 double_int_constant_multiple_p, aff_combination_constant_multiple_p):
5353 * tree-affine.h (aff_combination_constant_multiple_p,
5354 tree_to_aff_combination_expand): Declare.
5355 * tree-predcom.c: New file.
5356 * common.opt (fpredictive-commoning): New option.
5357 * tree-flow.h (op_symbol_code, tree_predictive_commoning,
5358 stmt_dominates_stmt_p, get_lsm_tmp_name): Declare.
5359 * Makefile.in (tree-predcom.o): Add.
5360 (tree-affine.o): Add TREE_GIMPLE_H dependency.
5361 * passes.c (init_optimization_passes): Add dceloop after
5362 copy propagation in loop optimizer. Add predictive commoning
5363 to loop optimizer passes.
5365 2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
5367 * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Correct
5370 2007-05-24 Jan Hubicka <jh@suse.cz>
5372 * gengenrtl.c (gendecl, gendef): Output the gens annotated for
5374 (genheader): Include statistics.h.
5376 * doc/invoke.texi (-fdump-unnumbered): Update docs when line number
5378 * print-rtl.c (flag_dump_unnumbered): Update comments.
5379 (print_rtl): Fix my previous change.
5380 * emit-rtl.c (emit_note_before, emit_note_after): Clear out note
5383 2007-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5386 * tree-ssa-threadupdate.c (thread_through_loop_header): Use
5388 (thread_through_all_blocks): Call initialize_original_copy_tables
5389 and free_original_copy_tables.
5390 * cfgloopmanip.c (duplicate_loop, duplicate_loop_to_header_edge):
5392 * tree-cfg.c (tree_duplicate_sese_region): Ditto.
5393 * cfghooks.c (duplicate_block): Use get_loop_copy.
5394 * cfg.c: Include cfgloop.h.
5395 (loop_copy): New hash table.
5396 (initialize_original_copy_tables): Initialize loop_copy table.
5397 (free_original_copy_tables): Free loop_copy table.
5398 (copy_original_table_clear, copy_original_table_set,
5399 set_loop_copy, get_loop_copy): New functions.
5400 (set_bb_original, set_bb_copy): Use copy_original_table_set.
5401 * cfgloop.h (struct loop): Remove copy field.
5402 * Makefile.in (cfg.o): Add CFGLOOP_H dependency.
5403 * basic-block.h (set_loop_copy, get_loop_copy): Declare.
5405 2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
5407 * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 for
5408 -msse/-msse2/-msse3.
5410 2007-05-24 H.J. Lu <hongjiu.lu@intel.com>
5412 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Mark
5413 __builtin_ia32_vec_set_v2di with MASK_64BIT.
5415 2007-05-24 Danny Smith <dannysmith@users.sourceforge.net>
5418 * doc/tm.texi (TARGET_MANGLE_DECL_ASSEMBLER_NAME): Document.
5419 * targhooks.h (default_mangle_decl_assembler_name): Declare
5421 * targhooks.c (default_mangle_decl_assembler_name): Define
5423 * target-def.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) New. Set to
5425 * target.h (struct gcc_target): Add mangle_decl_assembler_name field.
5426 * langhooks.c (lhd_set_decl_assembler_name): Call
5427 targetm.mangle_decl_assembler_name for names with global scope.
5429 * config/i386/cygming.h (TARGET_MANGLE_DECL_ASSEMBLER_NAME) Override
5431 (ASM_OUTPUT_DEF_FROM_DECLS): Simplify to use DECL_ASSEMBLER_NAME.
5432 * config/i386/i386-protos.h (i386_pe_mangle_decl_assembler_name):
5434 * config/i386/winnt.c (i386_pe_maybe_mangle_decl_assembler_name):
5435 New. Factored out of i386_pe_encode_section_info.
5436 (gen_stdcall_or_fastcall_suffix): Get name identifier as argument.
5437 Move check for prior decoration of stdcall
5438 symbols to i386_pe_encode_section_info.
5439 (i386_pe_encode_section_info): Adjust call to
5440 gen_stdcall_or_fastcall_suffix. Use
5441 i386_pe_maybe_mangle_decl_assembler_name, if needed.
5442 (i386_pe_mangle_decl_assembler_name): New. Wrap
5443 i386_pe_maybe_mangle_decl_assembler_name.
5445 2007-05-16 Rafael Avila de Espindola <espindola@google.com>
5447 * c-common.c (c_common_signed_or_unsigned_type): Delay the check for
5448 INTEGRAL_TYPE_P and TYPE_UNSIGNED.
5449 * langhooks.c (get_signed_or_unsigned_type): Don't check for
5450 INTEGRAL_TYPE_P or TYPE_UNSIGNED.
5451 (lhd_signed_or_unsigned_type): Check for INTEGRAL_TYPE_P and
5454 2007-05-23 Sandra Loosemore <sandra@codesourcery.com>
5455 Nigel Stephens <nigel@mips.com>
5456 Richard Sandiford <richard@codesourcery.com>
5458 Fix up MIPS16 hard float and add support for complex.
5460 * config/mips/mips.h (TARGET_HARD_FLOAT_ABI): New.
5461 (TARGET_SOFT_FLOAT_ABI): New.
5462 (TARGET_CPU_CPP_BUILTINS): Define __mips_hard_float and
5463 __mips_soft_float to reflect the ABI in use, not whether the
5464 FPU is directly accessible (e.g., in MIPS16 mode).
5465 (UNITS_PER_HWFPVALUE): Use TARGET_SOFT_FLOAT_ABI.
5466 (UNITS_PER_FPVALUE): Likewise.
5468 * config/mips/mips.c (mips_expand_call): Remove redundant
5469 TARGET_MIPS16 check.
5470 (mips_arg_regno): New.
5471 (function_arg_advance): When setting bits in cum->fp_code for
5472 MIPS16, don't subtract 1 from cum->arg_number, since it is now
5474 (function_arg): Use mips_arg_regno.
5475 (mips_return_mode_in_fpr_p): New.
5476 (mips16_call_stub_mode_suffix): New.
5477 (mips16_cfun_returns_in_fpr_p): New.
5478 (mips_save_reg_p): Use mips16_cfun_returns_in_fpr_p.
5479 (mips_output_function_prologue): Test mips16_hard_float, not
5480 !TARGET_SOFT_FLOAT, to decide when a function stub is required.
5481 (mips_expand_epilogue): Call MIPS16 helper routines to copy
5482 return value into a floating-point register.
5483 (mips_can_use_return_insn): Use mips16_cfun_returns_in_fpr_p.
5484 (mips_function_value): Rewrite to use mips_return_mode_in_fpr_p.
5485 (mips16_fp_args): Handle MIPS32r2 ISA which supports
5486 TARGET_FLOAT64, and use mfhc1/mthc1 to copy the most significant
5487 word of double arguments from or to the high bits of 64-bit
5488 floating point registers.
5489 (build_mips16_function_stub): Fill in DECL_RESULT for stubdecl.
5490 (mips16_fpret_double): New helper function.
5491 (build_mips16_call_stub): Use mips16_return_mode_in_fpr_p. Add
5492 support for complex modes. Fill in DECL_RESULT for stubdecl.
5493 (mips_init_libfuncs): Remove redundant TARGET_MIPS16 check.
5495 * config/mips/mips16.S
5496 (RET, ARG1, ARG2): New.
5497 (MERGE_GPRf, MERGE_GPRt): New.
5498 (DELAYt, DELAYf): New.
5499 (MOVE_SF_BYTE0, MOVE_SI_BYTE0): New.
5500 (MOVE_SF_BYTE4, MOVE_SF_BYTE8): New.
5501 (MOVE_DF_BYTE0, MOVE_DF_BYTE8): New.
5502 (MOVE_SF_RET, MOVE_SC_RET, MOVE_DF_RET, MOVE_DC_RET, MOVE_SI_RET): New.
5503 (SFOP): Renamed to...
5504 (OPSF3): This, and macro-ified. Updated all uses.
5505 (SFOP2): Renamed to...
5506 (OPSF2): This, and macro-ified. Updated all uses.
5507 (SFCMP): Renamed to...
5508 (CMPSF): This, and macro-ified. Updated all uses.
5509 (SFREVCMP): Renamed to...
5510 (REVCMPSF): This, and macro-ified. Updated all uses.
5511 (__mips16_floatsisf, __mips16_fix_truncsfsi): Macro-ified.
5512 (LDDBL1, LDDBL2, RETDBL): Deleted.
5513 (DFOP): Renamed to...
5514 (OPDF3): This, and macro-ified. Updated all uses.
5515 (DFOP2): Renamed to...
5516 (OPDF2): This, and macro-ified. Updated all uses.
5517 (__mips16_extendsfdf2, __mips16_truncdfsf2): Macro-ified.
5518 (DFCMP): Renamed to...
5519 (CMPDF): This, and macro-ified. Updated all uses.
5520 (DFREVCMP): Renamed to...
5521 (REVCMPDF): This, and macro-ified. Updated all uses.
5522 (__mips16_floatsidf, __mips16_fix_truncdfsi): Macro-ified.
5523 (RET_FUNCTION): New.
5524 (__mips16_ret_sf, __mips16_ret_df): Macro-ified.
5525 (__mips16_ret_sc, __mips16_ret_dc): New.
5526 (STUB_ARGS_0, STUB_ARGS_1, STUB_ARGS_5, STUB_ARGS_9, STUB_ARGS_2,
5527 STUB_ARGS_6, STUB_ARGS_10): New.
5528 (CALL_STUB_NO_RET): New.
5529 (__mips16_call_stub_1): Macro-ified.
5530 (__mips16_call_stub_5): Macro-ified.
5531 (__mips16_call_stub_2): Macro-ified.
5532 (__mips16_call_stub_6): Macro-ified.
5533 (__mips16_call_stub_9): Macro-ified.
5534 (__mips16_call_stub_10): Macro-ified.
5535 (CALL_STUB_RET): New.
5536 (__mips16_call_stub_sf_0): Macro-ified.
5537 (__mips16_call_stub_sf_1): Macro-ified.
5538 (__mips16_call_stub_sf_5): Macro-ified.
5539 (__mips16_call_stub_sf_2): Macro-ified.
5540 (__mips16_call_stub_sf_6): Macro-ified.
5541 (__mips16_call_stub_sf_9): Macro-ified.
5542 (__mips16_call_stub_sf_10): Macro-ified.
5543 (__mips16_call_stub_df_0): Macro-ified.
5544 (__mips16_call_stub_df_1): Macro-ified.
5545 (__mips16_call_stub_df_5): Macro-ified.
5546 (__mips16_call_stub_df_2): Macro-ified.
5547 (__mips16_call_stub_df_6): Macro-ified.
5548 (__mips16_call_stub_df_9): Macro-ified.
5549 (__mips16_call_stub_df_10): Macro-ified.
5550 (__mips16_call_stub_sc_0): New.
5551 (__mips16_call_stub_sc_1): New.
5552 (__mips16_call_stub_sc_5): New.
5553 (__mips16_call_stub_sc_2): New.
5554 (__mips16_call_stub_sc_6): New.
5555 (__mips16_call_stub_sc_9): New.
5556 (__mips16_call_stub_sc_10): New.
5557 (__mips16_call_stub_dc_0): New.
5558 (__mips16_call_stub_dc_1): New.
5559 (__mips16_call_stub_dc_5): New.
5560 (__mips16_call_stub_dc_2): New.
5561 (__mips16_call_stub_dc_6): New.
5562 (__mips16_call_stub_dc_9): New.
5563 (__mips16_call_stub_dc_10): New.
5565 * config/mips/t-elf (LIB1ASMFUNCS): Add MIPS16 floating-point stubs.
5566 * config/mips/t-isa3264 (LIB1ASMFUNCS): Likewise.
5567 * config/mips/t-r2900 (LIB1ASMFUNCS): Likewise.
5569 2007-05-23 Ian Lance Taylor <iant@google.com>
5571 * doc/invoke.texi (Invoking GCC): Document that the order of the
5574 2007-05-23 Chen Liqin <liqin@sunnorth.com.cn>
5577 * config/score/misc.md (bitclr_c, bitset_c, bittgl_c): Remove.
5578 * config/score/predicate.md (const_pow2, const_npow2): Remove.
5579 * config/score/score.h (ASM_OUTPUT_EXTERNAL): Add ASM_OUTPUT_EXTERNAL
5583 * config/score/score.c (score_print_operand): Make sure that only
5584 lower bits are used.
5586 2007-05-22 Ian Lance Taylor <iant@google.com>
5588 * tree-vrp.c (avoid_overflow_infinity): New static function,
5589 broken out of set_value_range_to_value.
5590 (set_value_range_to_value): Call avoid_overflow_infinity.
5591 (extract_range_from_assert): Likewise.
5593 2007-05-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
5596 * builtins.c (expand_builtin_memmove_args): Strip nops that don't
5597 change the type before looking for a COMPOUND_EXPR.
5599 2007-05-22 Ian Lance Taylor <iant@google.com>
5601 * lower-subreg.c (decompose_multiword_subregs): If we change an
5602 insn, call remove_retval_note on it.
5604 2007-05-22 Richard Sandiford <rsandifo@nildram.co.uk>
5606 * regs.h (end_hard_regno): New function.
5607 (END_HARD_REGNO, END_REGNO): New macros.
5608 (add_to_hard_reg_set): New function.
5609 (remove_from_hard_reg_set): Likewise.
5610 (in_hard_reg_set_p): Likewise.
5611 (overlaps_hard_reg_set_p): Likewise.
5612 * bt-load.c (find_btr_reference): Use overlaps_hard_reg_set_p.
5613 (note_btr_set): Use END_HARD_REGNO.
5614 * caller-save.c (setup_save_areas): Use end_hard_regno.
5615 (mark_set_regs): Use END_HARD_REGNO.
5616 (add_stored_regs): Use end_hard_regno.
5617 (mark_referenced_regs): Use add_to_hard_reg_set.
5618 * combine.c (update_table_tick): Use END_REGNO.
5619 (record_value_for_reg): Likewise.
5620 (record_dead_and_set_regs): Likewise.
5621 (get_last_value_validate): Likewise.
5622 (use_crosses_set_p): Likewise.
5623 (reg_dead_at_p_1): Likewise.
5624 (reg_dead_at_p): Likewise.
5625 (mark_used_regs_combine): Use add_to_hard_reg_set.
5626 (move_deaths): Use END_HARD_REGNO.
5627 (reg_bitfield_target_p): Use end_hard_regno.
5628 (distribute_notes): Use END_HARD_REGNO.
5629 * cse.c (mention_regs): Use END_REGNO.
5630 (insert): Use add_to_hard_reg_set.
5631 (invalidate): Use END_HARD_REGNO.
5632 (invalidate_for_call): Likewise.
5633 (exp_equiv_p): Use END_REGNO.
5634 (cse_insn): Likewise.
5635 * cselib.c (cselib_invalidate_regno): Use end_hard_regno.
5636 * df-problems.c (df_urec_mark_reg_change): Use END_HARD_REGNO.
5637 * df-scan.c (df_ref_record): Use END_HARD_REGNO.
5638 * function.c (keep_stack_depressed): Use end_hard_regno.
5639 * global.c (global_alloc): Use end_hard_regno.
5640 (global_conflicts): Use add_to_hard_reg_set instead of
5642 (find_reg): Likewise.
5643 (mark_reg_store): Likewise.
5644 (mark_reg_conflicts): Likewise.
5645 (mark_reg_death): Use remove_from_hard_reg_set.
5646 (mark_reg_live_nc): Delete.
5647 (set_preference): Use end_hard_regno.
5648 * local-alloc.c (mark_life): Use add_to_hard_reg_set and
5649 remove_from_hard_reg_set.
5650 (post_mark_life): Use add_to_hard_reg_set.
5651 * mode-switching.c (reg_dies): Use remove_from_hard_reg_set.
5652 (reg_becomes_live): Use add_to_hard_reg_set.
5653 * recog.c (reg_fits_class_p): Use in_hard_reg_set_p.
5654 (peep2_find_free_register): Use add_to_hard_reg_set.
5655 * reg-stack.c (convert_regs_exit): Use END_HARD_REGNO.
5656 * regclass.c (record_reg_classes): Use in_hard_reg_set_p.
5657 * regrename.c (note_sets): Use add_to_hard_reg_set.
5658 (clear_dead_regs): Use remove_from_hard_reg_set.
5659 (regrename_optimize): Use add_to_hard_reg_set.
5660 (find_oldest_value_reg): Use in_hard_reg_set_p.
5661 * reload.c (push_reload): Use in_hard_reg_set_p and end_hard_regno.
5662 (hard_reg_set_here_p): Use end_hard_regno.
5663 (decompose): Likewise.
5664 (reg_overlap_mentioned_for_reload_p): Use END_HARD_REGNO.
5665 (find_equiv_reg): Use in_hard_reg_set_p and end_hard_regno.
5666 * reload1.c (compute_use_by_pseudos): Use add_to_hard_reg_set.
5667 (mark_home_live): Use end_hard_regno.
5668 (spill_hard_reg): Likewise.
5669 (clear_reload_reg_in_use): Likewise.
5670 * reorg.c (delete_prior_computation): Use END_REGNO.
5671 * resource.c (update_live_status): Use END_HARD_REGNO.
5672 (mark_referenced_resources): Use add_to_hard_reg_set.
5673 (mark_set_resources): Likewise.
5674 (mark_target_live_regs): Likewise. Use remove_from_hard_reg_set.
5675 * rtlanal.c (refers_to_regno_p): Use END_REGNO.
5676 (reg_overlap_mentioned_p): Likewise.
5677 (dead_or_set_p): Likewise. Use an exclusive upper loop bound.
5678 (covers_regno_no_parallel_p): Use END_REGNO.
5679 (find_regno_note): Likewise.
5680 (find_reg_fusage): Use END_HARD_REGNO.
5681 * stmt.c (decl_overlaps_hard_reg_set_p): Use overlaps_hard_reg_set_p.
5682 * var-tracking.c (emit_note_insn_var_location): Use end_hard_regno.
5684 2007-05-22 Richard Sandiford <rsandifo@nildram.co.uk>
5686 * mode-switching.c (reg_dies): Change type of second argument to
5688 (optimize_mode_switching): Update accordingly.
5690 2007-05-22 Richard Sandiford <richard@codesourcery.com>
5692 * hard-reg-set.h (GO_IF_HARD_REG_SUBSET, GO_IF_HARD_REG_EQUAL): Delete
5694 (hard_reg_subset_p, hard_reg_sets_equal_p, hard_reg_sets_intersect_p)
5695 (hard_reg_set_empty_p): ...these new functions.
5696 * bt-load.c (choose_btr): Use hard_reg_subset_p instead of
5697 GO_IF_HARD_REG_SUBSET.
5698 * cfgcleanup.c (old_insns_match_p): Use hard_reg_sets_equal_p
5699 instead of GO_IF_HARD_REG_EQUAL.
5700 * df-problems.c (df_urec_local_compute): Use hard_reg_set_empty_p
5701 instead of GO_IF_HARD_REG_EQUAL.
5702 * global.c (find_reg): Use hard_reg_set_empty_p instead of
5703 GO_IF_HARD_REG_SUBSET.
5704 (modify_reg_pav): Use hard_reg_set_empty_p instead of
5705 GO_IF_HARD_REG_EQUAL.
5706 * local-alloc.c (find_free_reg): Use hard_reg_subset_p instead
5707 of GO_IF_HARD_REG_SUBSET.
5708 * reg-stack.c (change_stack, convert_regs_1): Use hard_reg_sets_equal_p
5709 instead of GO_IF_HARD_REG_EQUAL.
5710 * regclass.c (init_reg_sets_1, reg_scan_mark_refs): Use
5711 hard_reg_subset_p instead of GO_IF_HARD_REG_SUBSET.
5712 (reg_classes_intersect_p): Use hard_reg_sets_intersect_p instead
5713 of GO_IF_HARD_REG_SUBSET,
5714 * reload1.c (finish_spills): Use hard_reg_subset_p instead of
5715 GO_IF_HARD_REG_SUBSET.
5716 * struct-equiv.c (death_notes_match_p): Use hard_reg_sets_equal_p
5717 instead of GO_IF_HARD_REG_EQUAL.
5718 * config/sh/sh.c (push_regs, calc_live_regs): Use
5719 hard_reg_sets_intersect_p instead of hard_regs_intersect_p.
5720 (hard_regs_intersect_p): Delete.
5722 2007-05-22 Janis Johnson <janis187@us.ibm.com>
5724 * doc/sourcebuild.texi (Test Directives) Add dg-message.
5726 2007-05-22 H.J. Lu <hongjiu.lu@intel.com>
5727 Richard Henderson <rth@redhat.com>
5729 * config.gcc (i[34567]86-*-*): Add smmintrin.h to
5731 (x86_64-*-*): Likewise.
5733 * i386/i386-modes.def (V2QI): New.
5735 * config/i386/i386.c (ix86_handle_option): Handle SSE4.1 and
5737 (override_options): Support SSE4.1.
5738 (IX86_BUILTIN_BLENDPD): New for SSE4.1.
5739 (IX86_BUILTIN_BLENDPS): Likewise.
5740 (IX86_BUILTIN_BLENDVPD): Likewise.
5741 (IX86_BUILTIN_BLENDVPS): Likewise.
5742 (IX86_BUILTIN_PBLENDVB128): Likewise.
5743 (IX86_BUILTIN_PBLENDW128): Likewise.
5744 (IX86_BUILTIN_DPPD): Likewise.
5745 (IX86_BUILTIN_DPPS): Likewise.
5746 (IX86_BUILTIN_INSERTPS128): Likewise.
5747 (IX86_BUILTIN_MOVNTDQA): Likewise.
5748 (IX86_BUILTIN_MPSADBW128): Likewise.
5749 (IX86_BUILTIN_PACKUSDW128): Likewise.
5750 (IX86_BUILTIN_PCMPEQQ): Likewise.
5751 (IX86_BUILTIN_PHMINPOSUW128): Likewise.
5752 (IX86_BUILTIN_PMAXSB128): Likewise.
5753 (IX86_BUILTIN_PMAXSD128): Likewise.
5754 (IX86_BUILTIN_PMAXUD128): Likewise.
5755 (IX86_BUILTIN_PMAXUW128): Likewise.
5756 (IX86_BUILTIN_PMINSB128): Likewise.
5757 (IX86_BUILTIN_PMINSD128): Likewise.
5758 (IX86_BUILTIN_PMINUD128): Likewise.
5759 (IX86_BUILTIN_PMINUW128): Likewise.
5760 (IX86_BUILTIN_PMOVSXBW128): Likewise.
5761 (IX86_BUILTIN_PMOVSXBD128): Likewise.
5762 (IX86_BUILTIN_PMOVSXBQ128): Likewise.
5763 (IX86_BUILTIN_PMOVSXWD128): Likewise.
5764 (IX86_BUILTIN_PMOVSXWQ128): Likewise.
5765 (IX86_BUILTIN_PMOVSXDQ128): Likewise.
5766 (IX86_BUILTIN_PMOVZXBW128): Likewise.
5767 (IX86_BUILTIN_PMOVZXBD128): Likewise.
5768 (IX86_BUILTIN_PMOVZXBQ128): Likewise.
5769 (IX86_BUILTIN_PMOVZXWD128): Likewise.
5770 (IX86_BUILTIN_PMOVZXWQ128): Likewise.
5771 (IX86_BUILTIN_PMOVZXDQ128): Likewise.
5772 (IX86_BUILTIN_PMULDQ128): Likewise.
5773 (IX86_BUILTIN_PMULLD128): Likewise.
5774 (IX86_BUILTIN_ROUNDPD): Likewise.
5775 (IX86_BUILTIN_ROUNDPS): Likewise.
5776 (IX86_BUILTIN_ROUNDSD): Likewise.
5777 (IX86_BUILTIN_ROUNDSS): Likewise.
5778 (IX86_BUILTIN_PTESTZ): Likewise.
5779 (IX86_BUILTIN_PTESTC): Likewise.
5780 (IX86_BUILTIN_PTESTNZC): Likewise.
5781 (IX86_BUILTIN_VEC_EXT_V16QI): Likewise.
5782 (IX86_BUILTIN_VEC_SET_V2DI): Likewise.
5783 (IX86_BUILTIN_VEC_SET_V4SF): Likewise.
5784 (IX86_BUILTIN_VEC_SET_V4SI): Likewise.
5785 (IX86_BUILTIN_VEC_SET_V16QI): Likewise.
5787 (bdesc_sse_3arg): Likewise.
5788 (bdesc_2arg): Likewise.
5789 (bdesc_1arg): Likewise.
5790 (ix86_init_mmx_sse_builtins): Support SSE4.1. Handle SSE builtins
5792 (ix86_expand_sse_4_operands_builtin): New.
5793 (ix86_expand_unop_builtin): Support 2 arg builtins with a constant
5794 smaller than 8 bits as the 2nd arg.
5795 (ix86_expand_sse_ptest): New.
5796 (ix86_expand_builtin): Support SSE4.1. Support 3 arg SSE builtins.
5797 (ix86_expand_vector_set): Support SSE4.1.
5798 (ix86_expand_vector_extract): Likewise.
5800 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Define
5801 __SSE4_1__ for -msse4.1.
5803 * config/i386/i386.md (UNSPEC_BLENDV): New for SSE4.1.
5804 (UNSPEC_INSERTPS): Likewise.
5805 (UNSPEC_DP): Likewise.
5806 (UNSPEC_MOVNTDQA): Likewise.
5807 (UNSPEC_MPSADBW): Likewise.
5808 (UNSPEC_PHMINPOSUW): Likewise.
5809 (UNSPEC_PTEST): Likewise.
5810 (UNSPEC_ROUNDP): Likewise.
5811 (UNSPEC_ROUNDS): Likewise.
5813 * config/i386/i386.opt (msse4.1): New for SSE4.1.
5815 * config/i386/predicates.md (const_pow2_1_to_2_operand): New.
5816 (const_pow2_1_to_32768_operand): Likewise.
5818 * config/i386/smmintrin.h: New. The SSE4.1 intrinsic header
5821 * config/i386/sse.md (*vec_setv4sf_sse4_1): New pattern for
5823 (sse4_1_insertps): Likewise.
5824 (*sse4_1_extractps): Likewise.
5825 (sse4_1_ptest): Likewise.
5826 (sse4_1_mulv2siv2di3): Likewise.
5827 (*sse4_1_mulv4si3): Likewise.
5828 (*sse4_1_smax<mode>3): Likewise.
5829 (*sse4_1_umax<mode>3): Likewise.
5830 (*sse4_1_smin<mode>3): Likewise.
5831 (*sse4_1_umin<mode>3): Likewise.
5832 (sse4_1_eqv2di3): Likewise.
5833 (*sse4_1_pinsrb): Likewise.
5834 (*sse4_1_pinsrd): Likewise.
5835 (*sse4_1_pinsrq): Likewise.
5836 (*sse4_1_pextrb): Likewise.
5837 (*sse4_1_pextrb_memory): Likewise.
5838 (*sse4_1_pextrw_memory): Likewise.
5839 (*sse4_1_pextrq): Likewise.
5840 (sse4_1_blendpd): Likewise.
5841 (sse4_1_blendps): Likewise.
5842 (sse4_1_blendvpd): Likewise.
5843 (sse4_1_blendvps): Likewise.
5844 (sse4_1_dppd): Likewise.
5845 (sse4_1_dpps): Likewise.
5846 (sse4_1_movntdqa): Likewise.
5847 (sse4_1_mpsadbw): Likewise.
5848 (sse4_1_packusdw): Likewise.
5849 (sse4_1_pblendvb): Likewise.
5850 (sse4_1_pblendw): Likewise.
5851 (sse4_1_phminposuw): Likewise.
5852 (sse4_1_extendv8qiv8hi2): Likewise.
5853 (*sse4_1_extendv8qiv8hi2): Likewise.
5854 (sse4_1_extendv4qiv4si2): Likewise.
5855 (*sse4_1_extendv4qiv4si2): Likewise.
5856 (sse4_1_extendv2qiv2di2): Likewise.
5857 (*sse4_1_extendv2qiv2di2): Likewise.
5858 (sse4_1_extendv4hiv4si2): Likewise.
5859 (*sse4_1_extendv4hiv4si2): Likewise.
5860 (sse4_1_extendv2hiv2di2): Likewise.
5861 (*sse4_1_extendv2hiv2di2): Likewise.
5862 (sse4_1_extendv2siv2di2): Likewise.
5863 (*sse4_1_extendv2siv2di2): Likewise.
5864 (sse4_1_zero_extendv8qiv8hi2): Likewise.
5865 (*sse4_1_zero_extendv8qiv8hi2): Likewise.
5866 (sse4_1_zero_extendv4qiv4si2): Likewise.
5867 (*sse4_1_zero_extendv4qiv4si2): Likewise.
5868 (sse4_1_zero_extendv2qiv2di2): Likewise.
5869 (*sse4_1_zero_extendv2qiv2di2): Likewise.
5870 (sse4_1_zero_extendv4hiv4si2): Likewise.
5871 (*sse4_1_zero_extendv4hiv4si2): Likewise.
5872 (sse4_1_zero_extendv2hiv2di2): Likewise.
5873 (*sse4_1_zero_extendv2hiv2di2): Likewise.
5874 (sse4_1_zero_extendv2siv2di2): Likewise.
5875 (*sse4_1_zero_extendv2siv2di2): Likewise.
5876 (sse4_1_roundpd): Likewise.
5877 (sse4_1_roundps): Likewise.
5878 (sse4_1_roundsd): Likewise.
5879 (sse4_1_roundss): Likewise.
5880 (mulv4si3): Don't expand for SSE4.1.
5881 (smax<mode>3): Likewise.
5882 (umaxv4si3): Likewise.
5883 (uminv16qi3): Likewise.
5884 (umin<mode>3): Likewise.
5885 (umaxv8hi3): Rewrite. Only enabled for SSE4.1.
5887 * doc/extend.texi: Document SSE4.1 built-in functions.
5889 * doc/invoke.texi: Document -msse4.1.
5891 2007-05-22 Nathan Sidwell <nathan@codesourcery.com>
5893 * config/m68k/linux.h (ASM_SPEC): Add asm_pcrel_spec.
5894 * config/m68k/m68k-none.h (ASM_SPEC): Don't override here.
5895 * config/m68k/m68k.h (ASM_PCREL_SPEC): New.
5896 (ASM_SPEC): Add asm_pcrel_spec.
5897 (EXTRA_SPECS): Add asm_pcrel_spec.
5899 2007-05-21 David Daney <ddaney@avtrex.com>
5901 * doc/install.texi (Building a cross compiler): Add requirements
5902 for Java cross compiler.
5904 2007-05-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
5907 * tree-chrec.c (evolution_function_is_affine_multivariate_p):
5908 Add loopno argument. Use evolution_function_is_invariant_rec_p
5909 instead of evolution_function_is_constant_p.
5910 Update calls to evolution_function_is_affine_multivariate_p.
5911 * tree-chrec.h (evolution_function_is_affine_multivariate_p):
5912 Add loopno argument.
5913 * tree-scalar-evolution.c (gather_chrec_stats): Call
5914 evolution_function_is_affine_multivariate_p with a loop
5916 * tree-data-ref.c (analyze_miv_subscript): Likewise.
5917 (analyze_overlapping_iterations): Likewise.
5918 (access_functions_are_affine_or_constant_p): Likewise.
5919 (build_classic_dist_vector_1): If the access functions
5920 are equal, don't do anything.
5922 2007-05-21 Paolo Bonzini <bonzini@gnu.org>
5923 Paolo Carlini <pcarlini@suse.de>
5924 Uros Bizjak <ubizjak@gmail.com>
5926 * c-cppbuiltin.c (c_cpp_builtins): Define
5927 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_1, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_2,
5928 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_4, __GCC_HAVE_SYNC_COMPARE_AND_SWAP_8,
5929 __GCC_HAVE_SYNC_COMPARE_AND_SWAP_16, if appropriate.
5930 * doc/cpp.texi ([Standard Predefined Macros]): Document.
5932 2007-05-21 Mike Stump <mrs@apple.com>
5934 * config/darwin.h (LINK_COMMAND_SPEC): Add .cxx/.cp for dsymutil
5936 * config/darwin9.h (LINK_COMMAND_SPEC): Likewise.
5938 2007-05-21 Uros Bizjak <ubizjak@gmail.com>
5940 * config/i386/tmmintrin.h (_mm_alignr_epi8): Provide macro
5941 implementation if __OPTIMIZE__ is not defined.
5942 (_mm_alignr_pi8): Ditto.
5943 * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
5944 (_mm_inserti_si64): Ditto.
5945 * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
5946 (_mm_slli_epi16): Ditto.
5947 (_mm_slli_epi32): Ditto.
5948 (_mm_slli_epi64): Ditto.
5949 (_mm_srai_epi16): Ditto.
5950 (_mm_srai_epi32): Ditto.
5951 (_mm_srli_si128): Ditto.
5952 (_mm_slli_si128): Ditto.
5953 (_mm_srli_epi16): Ditto.
5954 (_mm_srli_epi32): Ditto.
5955 (_mm_srli_epi64): Ditto.
5956 (_mm_extract_epi16): Ditto.
5957 (_mm_insert_epi16): Ditto.
5958 (_mm_shufflehi_epi16): Ditto.
5959 (_mm_shufflelo_epi16): Ditto.
5960 (_mm_shuffle_epi32): Ditto.
5961 * config/i386/xmmintrin.h (_mm_extract_pi16): Ditto.
5963 (_mm_insert_pi16): Ditto.
5965 (_mm_shuffle_pi16): Ditto.
5967 (_mm_shufle_ps): Ditto.
5968 (_mm_prefetch): Ditto.
5970 2007-05-21 Andreas Krebbel <krebbel1@de.ibm.com>
5972 * defaults.h (IBM_FLOAT_FORMAT): Macro definition removed.
5973 * doc/tm.texi (IBM_FLOAT_FORMAT): Documentation entry removed.
5974 * real.c (encode_i370_single, decode_i370_single,
5975 encode_i370_double, decode_i370_double): Functions removed.
5976 (i370_single_format, i370_double_format): Initializations removed.
5977 (real_maxval, round_for_format, exact_real_truncate, significand_size):
5978 Consider the log2_b field to always be one.
5979 (ieee_single_format, mips_single_format, coldfire_single_format,
5980 ieee_double_format, mips_double_format, coldfire_double_format,
5981 ieee_extended_motorola_format, ieee_extended_intel_96_format,
5982 ieee_extended_intel_128_format, ieee_extended_intel_96_round_53_format,
5983 ibm_extended_format, mips_extended_format, ieee_quad_format,
5984 mips_quad_format, vax_f_format, vax_d_format, vax_g_format,
5985 decimal_single_format, decimal_double_format, decimal_quad_format,
5986 c4x_single_format, c4x_extended_format, real_internal_format): Remove
5987 initialization of log2_b.
5988 * real.h (i370_single_format, i370_double_format): Declarations
5990 * c-cppbuiltin.c (builtin_define_float_constants): Consider the log2_b
5991 field to always be one.
5993 2007-05-21 Andreas Schwab <schwab@suse.de>
5995 * config/ia64/ia64.c (emit_predicate_relation_info): Fix use of
5996 NOTE_INSN_BASIC_BLOCK_P.
5997 (process_for_unwind_directive): Likewise.
5999 2007-05-21 Nathan Sidwell <nathan@codesourcery.com>
6001 * builtins.c (expand_builtin_setjmp_setup): Update comment.
6002 * function.h (struct function): Move va_list_gpr_size,
6003 va_list_fpr_size, function_frequency to front of bitfields. Add
6005 (current_function_calls_unwind_init): New.
6006 * except.c (expand_builtin_unwind_init): Set
6007 current_function_calls_unwind_init not
6008 current_function_has_nonlocal_label.
6009 * reload1.c (has_nonexceptional_receiver): New.
6010 (reload): Use it and current_function_calls_unwind_init to
6011 determine whether call-saved regs must be saved.
6013 2007-05-20 Jan Hubicka <jh@suse.cz>
6015 * gengtype.c (adjust_field_rtx_def): Use NOTE_KIND instead of
6016 NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
6017 * ddg.c (create_ddg): LIkewise.
6018 * final.c (final): Remove hunk moving line number notes around since
6019 they are no longer present at this stage.
6020 (final_scan_insn): Use NOTE_KIND instead of
6021 NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
6022 (output_asm_label): Likewise.
6023 * reorg.c (dbr_schedule): Likewise.
6024 * haifa-sched.c (unlink_other_notes): Likewise.
6025 * mode-switching.c (optimize_mode_switching): Likewise.
6026 * graph.c (start_bb): Likewise.
6027 * rtl.def (NOTE): Update description.
6028 * jump.c (squeeze_notes): Delete.
6029 (mark_jump_label): Use NOTE_KIND instead of NOTE_LINE_NUMBER; use
6030 NOTE_INSN_BASIC_BLOCK_P when possible.
6031 * ifcvt.c (dead_or_predicable): Remove call of squeeze_notes.
6032 * dwarf2out.c (gen_label_die): Use NOTE_KIND instead of
6033 NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P when possible.
6034 (dwarf2out_var_location): Likewise.
6035 * cfgbuild.c (make_edges): Likewise.
6036 (find_basic_blocks_1): Likewise.
6037 * function.c (reorder_blocks_1): Likewise.
6038 (epilogue_done): Likewise.
6039 (reposition_prologue_and_epilogue_notes): Likewise.
6040 * print-rtl.c (print_rtx): Likewise; drop code for printing
6042 (print_rtl): Likewise.
6043 (print_rtl_single): Likewise.
6044 * gcse.c (insert_insn_start_bb): Likewise.
6045 * alias.c (init_alias_analysis): Likewise.
6046 * calls.c (fixup_tail_calls): Likewise.
6047 * except.c (sjlj_emit_function_enter): Likewise.
6048 * emit-rtl.c (add_insn_after): Likeiwse.
6049 (emit_label_before): Likewise.
6050 (emit_label_after): Likewise.
6051 (emit_note_before, emit_note_after, emit_note): Update
6052 parameter to be enum insn_note; do not deal with source
6054 * cfgcleanup.c (merge_blocks_move_predecessor_nojumps):
6055 Use NOTE_KIND instead of NOTE_LINE_NUMBER; use NOTE_INSN_BASIC_BLOCK_P
6057 (merge_blocks_move_successor_nojumps): Simplify now when
6058 we don't have BLOCK notes.
6059 (try_optimize_cfg): Likewise.
6060 * cfglayout.c (skip_insns_after_block): Likewise.
6061 (record_effective_endpoints): Likewise.
6062 (duplicate_insn_chain): Likewise.
6063 * varasm.c (output_constant_pool_1): Likewise.
6064 * sched-deps.c (sched_analyze): Likewise.
6065 * rtl.c (NOTE_INSN_MAX_isnt_negative_adjust_NOTE_INSN_BIAS):
6067 (note_insn_name): Simplify now when NOTE_INSN_BIAS is gone.
6068 * rtl.h (NOTE_SOURCE_LOCATION, NOTE_EXPANDED_LOCATION): Exterminate.
6069 (SET_INSN_DELETED): Simplify.
6070 (NOTE_LINE_NUMBER): Exterminate.
6071 (NOTE_LINE_KIND): New.
6072 (NOTE_INSN_BASIC_BLOCK_P): Update.
6073 (enum insn_note): Simplify.
6074 (GET_NOTE_INSN_NAME) Simplify.
6075 (emit_note_before, emit_note_after, emit_note): Update prototype.
6076 (squeeze_notes): Remove.
6077 * sched-int.h (NOTE_NOT_BB_P): Update.
6078 * resource.c (mark_target_live_regs): Update.
6079 * sched-rgn.c (debug_dependencies): Update.
6080 * sched-vis.c (print_insn): Update.
6081 * config/alpha/alpha.c (alpha_handle_trap_shadows): Update.
6082 * config/i386/i386.c (ix86_output_function_epilogue): Update.
6083 * config/sh/sh.c (sh_adjust_unroll_max): Function dead since gcc 4.0.0.
6084 (TARGET_ADJUST_UNROLL_MAX): Likewise.
6085 (split_branches): Update.
6086 (sh_optimize_target_register_callee_saved): Remove hunk dead since gcc
6088 (sh_adjust_unroll_max): Exterminate.
6089 * config/c4x/c4x.c (c4x_reorg): Use SET_INSN_DELETED.
6090 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Likewise.
6091 (m68hc11_reorg): Likewise.
6092 * config/ia64/ia64.c (emit_insn_group_barriers): Update.
6093 (emit_predicate_relation_info): Update.
6094 (process_for_unwind_directive): Update.
6095 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Update.
6096 (output_call): Update.
6097 * config/pa/pa.c (output_lbranch): Update.
6098 (output_millicode_call): Update.
6099 (output_call): Update.
6100 (pa_combine_instructions): Update.
6101 * config/mips/mips.c (mips16_gp_pseudo_reg): Update.
6102 * config/bfin/bfin.c (gen_one_bundle): Update.
6103 * cfgrtl.c (can_delete_note_p): Update.
6104 (delete_insn): Update.
6105 (rtl_merge_blocks): Update.
6106 (commit_one_edge_insertion): Update.
6107 (rtl_verify_flow_info): Update.
6108 * stmt.c (expand_case): Do not call squeeze_notes.
6110 2007-05-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6117 * c.opt (Wtype-limits): New.
6118 * doc/invoke.texi (Wtype-limits): Document it.
6119 (Wextra): Enabled by -Wextra.
6120 * c-opts.c (c_common_post_options): Enabled by -Wextra.
6121 * c-common.c (shorten_compare): Warn with Wtype-limits.
6123 2007-05-20 Uros Bizjak <ubizjak@gmail.com>
6125 * config/i386/tmmintrin.h (_mm_alignr_epi32): Implement as always
6126 inlined function, not as a macro.
6127 (_mm_alignr_pi8): Ditto.
6128 * config/i386/ammintrin.h (_mm_extracti_si64): Ditto.
6129 (_mm_inserti_si64): Ditto.
6130 * config/i386/emmintrin.h (_mm_shuffle_pd): Ditto.
6131 (_mm_extract_epi16): Ditto.
6132 (_mm_insert_epi16): Ditto.
6133 (_mm_shufflehi_epi16): Ditto.
6134 (_mm_shufflelo_epi16): Ditto.
6135 (_mm_shuffle_epi32): Ditto.
6136 * config/i386/xmmintrin.h (_mm_set_ss): Use 0.0f for float constant.
6137 * config/386/mm3dnow.h: Add __attribute__((__always_inline__)) to
6139 (_m_from_float): Add __extension__ to conversion. Use 0.0f for
6141 (_m_to_float): Use C89 compatible assignment.
6143 2007-05-20 Martin Michlmayr <tbm@cyrius.com>
6146 * config/arm/lib1funcs.asm: Define __ARM_ARCH__ on v2/v3 machines.
6148 2007-05-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6151 * doc/invoke.texi (Wreturn-type): Complete description.
6152 (Wextra): Delete item about return-type warning.
6153 * c-decl.c: Delete redundant Wextra warning.
6155 2007-05-20 Uros Bizjak <ubizjak@gmail.com>
6158 * config/i386/pmmintrin.h: Do not include xmmintrin.h
6159 * config/i386/xmmintrin.h (_mm_extract_pi16): Implement as always
6160 inlined function, not as a macro.
6161 (_mm_prefetch): Ditto.
6163 (_mm_insert_pi16): Ditto.
6165 (_mm_shuffle_pi16): Ditto. Add const to __N argument.
6166 (_m_pshufw): Ditto. Add const to __N argument.
6167 (_mm_shufle_ps): Ditto. Add const to __mask argument.
6168 * config/i386/emmintrin.h (_mm_slli_epi16): Add const to __B argument.
6169 (_mm_slli_epi32): Ditto.
6170 (_mm_srli_si128): Implement as always inlined function, not as a
6171 macro. Add __inline to function declaration.
6172 (_mm_slli_si128): Ditto.
6174 2007-05-19 Uros Bizjak <ubizjak@gmail.com>
6176 * config/i386/sfp-machine.h (FP_EX_INVALID, FP_EX_DENORM,
6177 FP_EXP_DIVZERO, FP_EX_OVERFLOW, FP_EX_UNDERFLOW, FP_EX_INEXACT):
6179 (struct fenv): New structure.
6180 (FP_HANDLE_EXCEPTIONS): New define.
6181 (FP_RND_NEAREST, FP_RND_ZERO, FP_RND_PINF, FP_RND_MINF): New constants.
6182 (_FP_DECL_EXP): New define.
6183 (FP_INIT_ROUNDMODE): New define.
6184 (FP_ROUNDMODE): New define.
6186 2007-05-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
6188 * doc/invoke.texi (Warning Options): Add -Wconversion-sign.
6189 (Wconversion): Update description.
6190 (Wconversion-sign): New.
6191 * c.opt (Wconversion-sign): New.
6192 * c-opts.c (c_common_post_options): Uninitialized Wconversion-sign
6193 means disabled for C++. Otherwise, take the status of Wconversion.
6194 * c-common.c (conversion_warning): Warn with either Wconversion or
6196 (warnings_for_convert_and_check): Conditions are already checked by
6198 (convert_and_check): Don't check warnings if the conversion failed.
6200 2007-05-19 Andy Hutchinson <HutchinsonAndy@netscape.net>
6201 Anatoly Sokolov <aesok@dol.ru>
6203 * config/avr/avr-protos.h (expand_prologue, expand_epilogue,
6204 avr_epilogue_uses) : Add declaration.
6205 * config/avr/predicates.md (avr_sp_immediate_operand): New predicate.
6206 * config/avr/constraints.md (R): New constraint.
6207 config/avr/avr.md (SREG_ADDR, UNSPEC_SEI, UNSPEC_CLI,
6208 UNSPECV_PROLOGUE_SAVES, UNSPECV_EPILOGUE_RESTORES): New constants.
6209 (*pop1, *pop2, *pop3, *pop4, *pop5): Combine into ...
6210 (*addhi3_sp_R_pc2, *addhi3_sp_R_pc3): ... these patterns.
6211 (*movhi_sp, popqi, pophi, enable_interrupt, disable_interrupt,
6212 call_prologue_saves, epilogue_restores, return_from_epilogue,
6213 return_from_main_epilogue, return_from_interrupt_epilogue,
6214 return_from_naked_epilogue, prologue, epilogue): New patterns.
6215 (jump): Handle symbol reference.
6216 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr,
6217 avr_output_function_prologue, avr_output_function_epilogue): Remove
6219 (avr_init_machine_status, expand_prologue, expand_epilogue,
6220 avr_asm_function_end_prologue, avr_epilogue_uses,
6221 avr_asm_function_begin_epilogue): New functions.
6222 (prologue_size, epilogue_size, jump_tables_size): Remove global
6224 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Remove.
6225 (TARGET_ASM_FUNCTION_END_PROLOGUE): Define.
6226 (TARGET_ASM_FUNCTION_BEGIN_EPILOGUE): Define.
6227 (avr_override_options): Initialise init_machine_status.
6228 (output_movhi): Handle all stack pointer loads.
6229 (out_movqi_r_mr, out_movqi_mr_r): Handle SREG_ADDR address.
6230 (avr_output_addr_vec_elt): Do not use variable jump_tables_size.
6231 * config/avr/avr.h (AVR_2_BYTE_PC, AVR_3_BYTE_PC): New.
6232 (EPILOGUE_USES) Redefine.
6233 (machine_function) Declare.
6235 2007-05-19 Richard Sandiford <richard@codesourcery.com>
6237 * config/mips/mips.c (mips_offset_within_alignment_p): Tweak comment.
6238 Use a single return statement.
6240 2007-05-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6243 * builtins.c (do_mpfr_lgamma_r): New.
6244 (fold_builtin_2): Handle builtin gamma_r/lgamma_r.
6245 * tree.h (CASE_FLT_FN_REENT): New.
6247 2007-05-18 Geoffrey Keating <geoffk@apple.com>
6249 * dwarf2out.c (print_die): Use '%ld' not '%lu' to print a 'long'.
6250 (output_die): Use 'unsigned long' with %x.
6251 * sched-vis.c (print_value): Use 'unsigned HOST_WIDE_INT' and
6252 HOST_WIDE_INT_PRINT_HEX to print HOST_WIDE_INT.
6253 * tree-dump.c (dump_pointer): Use 'unsigned long' for %lx.
6255 * unwind-dw2.c (uw_identify_context): Use the CFA, not the IP.
6257 2007-05-18 H.J. Lu <hongjiu.lu@intel.com>
6262 * config/i386/i386.c (init_cumulative_args): Set maybe_vaarg to
6263 true if function has no argument.
6265 2007-05-18 DJ Delorie <dj@redhat.com>
6267 * config/mips/mips.c (mips_offset_within_alignment_p): New.
6268 (mips_symbolic_constant_p): Call it for TPREL and DTPREL symbols.
6270 2007-05-18 Uros Bizjak <ubizjak@gmail.com>
6272 * longlong.h (__x86_64__): Add definitions for add_ssaaaa,
6273 sub_ddmmss, umul_ppmm, udiv_qrnnd, count_leading_zeros and
6274 count_trailing_zeros.
6275 (__i386__): Implement count_leading_zeros using __builtin_clz().
6276 Implement count_trailing_zeros usign __builtin_ctz().
6278 2007-05-18 Richard Sandiford <richard@codesourcery.com>
6280 * config/i386/vxworks.h (ASM_PREFERRED_EH_DATA_FORMAT): Undefine.
6282 2007-05-18 Uros Bizjak <ubizjak@gmail.com>
6285 * expr.c (emit_move_change_mode): Change mode of push operands here.
6287 2007-05-17 Ian Lance Taylor <iant@google.com>
6289 PR tree-optimization/31953
6290 * tree-vrp.c (set_value_range_to_value): Add equiv parameter.
6292 (set_value_range_to_null): Call set_value_range_to_value.
6293 (extract_range_from_comparison): Likewise.
6295 2007-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6297 * toplev.c (print_version): Output GMP/MPFR version info.
6299 * builtins.c (CASE_MATHFN_REENT): New macro.
6300 (mathfn_built_in): Use it.
6301 * builtins.def (BUILT_IN_GAMMA_R, BUILT_IN_GAMMAF_R,
6302 BUILT_IN_GAMMAL_R, BUILT_IN_LGAMMA_R, BUILT_IN_LGAMMAF_R,
6303 BUILT_IN_LGAMMAL_R): New.
6304 * doc/extend.texi: Document new builtins.
6307 * builtins.c (do_mpfr_remquo): New.
6308 (fold_builtin_2): Handle BUILT_IN_DREM/BUILT_IN_REMAINDER.
6309 (fold_builtin_3): Handle BUILT_IN_REMQUO.
6312 * builtins.c (fold_builtin_1): Handle y0, y1.
6313 (fold_builtin_2): Handle yn.
6316 * builtins.c (do_mpfr_bessel_n): New.
6317 (fold_builtin_1): Handle BUILT_IN_J0 and BUILT_IN_J1.
6318 (fold_builtin_2): Handle BUILT_IN_JN.
6320 2007-05-17 Danny Smith <dannysmith@users.sourceforge.net>
6323 * config/i386/mingw32.h (_INTEGRAL_MAX_BITS): Define builtin as
6324 TYPE_PRECISION (intmax_type_node).
6326 2007-05-17 Steve Ellcey <sje@cup.hp.com>
6329 * reload.c (subst_reloads): Remove checking.
6331 2007-05-17 Eric Botcazou <ebotcazou@libertysurf.fr>
6333 PR rtl-optimization/31691
6334 * combine.c (simplify_set): Build a new src pattern instead of
6335 substituting its operands in the COMPARE case.
6337 2007-05-17 Zdenek Dvorak <dvorakz@suse.cz>
6339 * tree-vrp.c (finalize_jump_threads): Do not care about dominance info.
6340 (execute_vrp): Preserve loops through jump threading.
6341 * tree-ssa-threadupdate.c (thread_single_edge,
6342 dbds_continue_enumeration_p, determine_bb_domination_status,
6343 thread_through_loop_header): New functions.
6344 (create_edge_and_update_destination_phis,
6345 create_edge_and_update_destination_phis): Set loops for the new blocks.
6346 (prune_undesirable_thread_requests): Removed.
6347 (redirect_edges): Do not pretend that redirect_edge_and_branch can
6349 (thread_block): Do not call prune_undesirable_thread_requests.
6351 (mark_threaded_blocks): Select edges to thread here.
6352 (thread_through_all_blocks): Take may_peel_loop_headers argument.
6353 Thread edges through loop headers independently.
6354 * cfgloopmanip.c (create_preheader, mfb_keep_just): Export.
6355 * tree-pass.h (TODO_mark_first_instance): New.
6356 (first_pass_instance): Declare.
6357 * cfghooks.c (duplicate_block): Put the block to the original loop
6358 if copy is not specified.
6359 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Preserve loops through
6360 jump threading. Pass may_peel_loop_headers to
6361 thread_through_all_blocks according to first_pass_instance.
6362 * cfgloop.h (create_preheader): Declare.
6363 * tree-flow.h (thread_through_all_blocks): Declaration changed.
6364 * basic-block.h (mfb_keep_just, mfb_kj_edge): Declare.
6365 * passes.c (first_pass_instance): New variable.
6366 (next_pass_1): Set TODO_mark_first_instance.
6367 (execute_todo): Set first_pass_instance.
6369 2007-05-17 Uros Bizjak <ubizjak@gmail.com>
6371 PR tree-optimization/24659
6372 * optabs.h (enum optab_index): Add OTI_vec_unpacks_float_hi,
6373 OTI_vec_unpacks_float_lo, OTI_vec_unpacku_float_hi,
6374 OTI_vec_unpacku_float_lo, OTI_vec_pack_sfix_trunc and
6375 OTI_vec_pack_ufix_trunc.
6376 (vec_unpacks_float_hi_optab): Define new macro.
6377 (vec_unpacks_float_lo_optab): Ditto.
6378 (vec_unpacku_float_hi_optab): Ditto.
6379 (vec_unpacku_float_lo_optab): Ditto.
6380 (vec_pack_sfix_trunc_optab): Ditto.
6381 (vec_pack_ufix_trunc_optab): Ditto.
6382 * genopinit.c (optabs): Implement vec_unpack[s|u]_[hi|lo]_optab
6383 and vec_pack_[s|u]fix_trunc_optab using
6384 vec_unpack[s|u]_[hi\lo]_* and vec_pack_[u|s]fix_trunc_* patterns
6385 * tree-vectorizer.c (supportable_widening_operation): Handle
6386 FLOAT_EXPR and CONVERT_EXPR. Update comment.
6387 (supportable_narrowing_operation): New function.
6388 * tree-vectorizer.h (supportable_narrowing_operation): Prototype.
6389 * tree-vect-transform.c (vectorizable_conversion): Handle
6390 (nunits_in == nunits_out / 2) and (nunits_out == nunits_in / 2) cases.
6391 (vect_gen_widened_results_half): Move before vectorizable_conversion.
6392 (vectorizable_type_demotion): Call supportable_narrowing_operation()
6393 to check for target support.
6394 * optabs.c (optab_for_tree_code) Return vec_unpack[s|u]_float_hi_optab
6395 for VEC_UNPACK_FLOAT_HI_EXPR, vec_unpack[s|u]_float_lo_optab
6396 for VEC_UNPACK_FLOAT_LO_EXPR and vec_pack_[u|s]fix_trunc_optab
6397 for VEC_PACK_FIX_TRUNC_EXPR.
6398 (expand_binop): Special case mode of the result for
6399 vec_pack_[u|s]fix_trunc_optab.
6400 (init_optabs): Initialize vec_unpack[s|u]_[hi|lo]_optab and
6401 vec_pack_[u|s]fix_trunc_optab.
6403 * tree.def (VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR,
6404 VEC_PACK_FIX_TRUNC_EXPR): New tree codes.
6405 * tree-pretty-print.c (dump_generic_node): Handle
6406 VEC_UNPACK_FLOAT_HI_EXPR, VEC_UNPACK_FLOAT_LO_EXPR and
6407 VEC_PACK_FIX_TRUNC_EXPR.
6409 * expr.c (expand_expr_real_1): Ditto.
6410 * tree-inline.c (estimate_num_insns_1): Ditto.
6411 * tree-vect-generic.c (expand_vector_operations_1): Ditto.
6413 * config/i386/sse.md (vec_unpacks_float_hi_v8hi): New expander.
6414 (vec_unpacks_float_lo_v8hi): Ditto.
6415 (vec_unpacku_float_hi_v8hi): Ditto.
6416 (vec_unpacku_float_lo_v8hi): Ditto.
6417 (vec_unpacks_float_hi_v4si): Ditto.
6418 (vec_unpacks_float_lo_v4si): Ditto.
6419 (vec_pack_sfix_trunc_v2df): Ditto.
6421 * doc/c-tree.texi (Expression trees) [VEC_UNPACK_FLOAT_HI_EXPR]:
6423 [VEC_UNPACK_FLOAT_LO_EXPR]: Ditto.
6424 [VEC_PACK_FIX_TRUNC_EXPR]: Ditto.
6425 * doc/md.texi (Standard Names) [vec_pack_sfix_trunc]: Document.
6426 [vec_pack_ufix_trunc]: Ditto.
6427 [vec_unpacks_float_hi]: Ditto.
6428 [vec_unpacks_float_lo]: Ditto.
6429 [vec_unpacku_float_hi]: Ditto.
6430 [vec_unpacku_float_lo]: Ditto.
6432 2007-05-16 Uros Bizjak <ubizjak@gmail.com>
6434 * soft-fp/README: Update for new files.
6435 * soft-fp/floattisf.c: New file.
6436 * soft-fp/floattidf.c: New file.
6437 * soft-fp/floattitf.c: New file.
6438 * soft-fp/floatuntisf.c: New file.
6439 * soft-fp/floatuntidf.c: New file.
6440 * soft-fp/floatuntitf.c: New file.
6441 * soft-fp/fixsfti.c: New file.
6442 * soft-fp/fixdfti.c: New file.
6443 * soft-fp/fixtfti.c: New file.
6444 * soft-fp/fixunssfti.c: New file.
6445 * soft-fp/fixunsdfti.c: New file.
6446 * soft-fp/fixunstfti.c: New file.
6447 * soft-fp/extendxftf.c: New file.
6448 * soft-fp/trunctfxf.c: New file.
6450 * libgcc-std.ver (__extendxftf2): Added to GCC_4.3.0 section.
6451 (__trunctfxf2): Ditto.
6453 * config/i386/libgcc-x86_64-glibc.ver (__addtf3, __divtf3, __eqtf2,
6454 __extenddftf2, __extendsftf2, __fixtfdi, __fixtfsi, __fixtfti,
6455 __fixunstfdi, __fixunstfsi, __fixunstfti, __floatditf, __floatsitf,
6456 __floattitf, __floatunditf, __floatunsitf, __floatuntitf, __getf2,
6457 __letf2, __multf3, __negtf2, __subtf3, __trunctfdf2, __trunctfsf2,
6458 __unordtf2): Exclude and add to GCC_4.3.0 section for x86_64 targets.
6460 * config/i386/t-fprules-softfp64: New file.
6461 * config/i386/sfp-machine.h: New file.
6462 * config.gcc (x86_64-*-linux*, x86_64-*-kfreebsd*-gnu,
6463 x86_64-*-knetbsd*-gnu): Add i386/t-fprules-softfp64
6464 and soft-fp/t-softfp to tmake_file.
6465 (i[34567]86-*-linux*, i[34567]86-*-kfreebsd*-gnu,
6466 i[34567]86-*-knetbsd*-gnu): Ditto for --enable-targets=all.
6468 * config/i386/t-linux64 (softfp_wrap_start): New.
6469 (softfp_wrap_end): New.
6470 * config/i386/i386.c (ix86_scalar_mode_supported): TFmode is
6471 supported for TARGET_64BIT.
6473 2007-05-16 Rafael Avila de Espindola <espindola@google.com>
6475 * c-common.c (c_common_signed_or_unsigned_type): Emulate
6476 c_common_unsigned_type behavior.
6478 2007-05-16 Paolo Bonzini <bonzini@gnu.org>
6480 * config/i386/i386.c (legitimize_tls_address): Mark __tls_get_addr
6483 2007-05-16 Eric Christopher <echristo@apple.com>
6485 * config/rs6000/rs6000.c (rs6000_emit_prologue): Move altivec register
6486 saving after stack push. Set sp_offset whenever we push.
6487 (rs6000_emit_epilogue): Move altivec register restore before
6490 2007-05-16 Richard Sandiford <richard@codesourcery.com>
6492 * configure.ac: Allow sysroots to be relocated under $prefix as
6493 well as $exec_prefix.
6494 * configure: Regenerate.
6496 2007-05-16 Richard Sandiford <richard@codesourcery.com>
6500 2007-05-12 Richard Sandiford <richard@codesourcery.com>
6502 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
6503 (gcc_tooldir): Likewise.
6504 * configure: Regenerate.
6505 * Makefile.in (libsubdir_to_prefix): New variable, based on the
6506 old configure.ac gcc_tooldir setting.
6507 (prefix_to_exec_prefix): New variable.
6508 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
6509 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
6511 2007-05-14 Janis Johnson <janis187@us.ibm.com>
6513 * c-typeck.c (build_binary_op): Return early for error.
6515 2007-05-15 Zdenek Dvorak <dvorakz@suse.cz>
6517 * tree-ssa-loop-niter.c (record_estimate): Use GGC_NEW to allocate
6518 struct nb_iter_bound.
6519 (free_numbers_of_iterations_estimates_loop): Use ggc_free.
6520 * gengtype.c (open_base_files): Add cfhloop.h to the list of includes.
6521 * cfgloopmanip.c (place_new_loop): Vector larray is gc-allocated.
6522 * tree-scalar-evolution.c: Include gt-tree-scalar-evolution.h.
6523 (struct scev_info_str, scalar_evolution_info): Add GTY markers.
6524 (new_scev_info_str): Use GGC_NEW to allocate struct scev_info_str.
6525 (del_scev_info): Use ggc_free.
6526 (scev_initialize): Allocate scalar_evolution_info in gc memory.
6527 * loop-init.c: Include ggc.h.
6528 (loop_optimizer_init): Use GGC_CNEW to allocate struct loops.
6529 (loop_optimizer_finalize): Use ggc_free.
6530 * tree-ssa-loop.c (pass_tree_unswitch, pass_vectorize,
6531 pass_linear_transfom, pass_empty_loop, pass_complete_unroll,
6532 pass_iv_optimize): Add TODO_ggc_collect.
6533 * function.h (struct function): Remove skip marker from
6535 * cfgloop.c: Include ggc.h.
6536 (flow_loops_free, flow_loop_free): Free the loop descriptions in gc
6538 (establish_preds): Vector superloops is gc allocated.
6539 (alloc_loop): Allocate loop using GGC_CNEW. Allocate head of
6541 (flow_loops_find): Vector larray is gc allocated.
6542 (loop_exit_free): Use ggc_free.
6543 (rescan_loop_exit): Use GGC_NEW to allocate struct loop_exit. Reflect
6544 that head of exits list is now not a part of struct loop.
6545 (record_loop_exits): Allocate exits table in gc memory.
6546 (get_loop_exit_edges, verify_loop_structure, single_exit): Reflect
6547 that head of exits list is now not a part of struct loop.
6548 * cfgloop.h (struct lpt_decision, struct nb_iter_bound,
6549 struct loop_exit): Add GTY marker.
6550 (struct loop): Add GTY marker. Make superloops vector gc allocated.
6551 Add skip marker to aux field. Make head of exits list a separate
6553 (struct loops): Add GTY marker. Make larray vector gc allocated.
6554 Add param marker to exits table.
6555 (get_loops): Type changed.
6556 * Makefile.in (tree-scalar-evolution.o): Add
6557 gt-tree-scalar-evolution.h dependency.
6558 (cfgloop.o, loop-init.o): Add ggc.h dependency.
6559 (GTFILES): Add cfgloop.h and tree-scalar-evolution.c.
6560 * basic-block.h (struct basic_block_def): Remove skip marker from
6563 2007-05-14 Uros Bizjak <ubizjak@gmail.com>
6565 * builtins.c (expand_builtin_mathfn): Use EXPAND_NORMAL instead
6566 of 0 in the call to expand_expr().
6567 (expand_builtin_mathfn_3): Ditto.
6568 (expand_builtin_interclass_mathfn): Ditto.
6569 (expand_builtin_cexpi): Ditto.
6570 (expand_builtin_int_roundingfn): Ditto.
6571 (expand_builtin_int_roundingfn_2): Ditto.
6572 (expand_builtin_pow): Ditto.
6573 (expand_builtin_powi): Ditto.
6574 (expand_builtin_bswap): Ditto.
6575 (expand_builtin_unop): Ditto.
6576 (expand_builtin_fabs): Ditto.
6577 (get_builtin_sync_mem): Use NULL_RTX instead of NULL in
6578 the call to expand_expr().
6579 (expand_builtin_sync_operation): Ditto.
6580 (expand_builtin_compare_and_swap): Ditto.
6581 (expand_builtin_lock_test_and_set): Ditto.
6582 * except.c (expand_builtin_eh_return_data_regno): Use EXPAND_NORMAL
6583 instead of 0 in the call to expand_expr().
6584 (expand_builtin_extract_return_addr): Ditto.
6585 (expand_builtin_eh_return): Ditto.
6586 (expand_eh_return): Ditto.
6587 * explow.c (expr_size): Ditto.
6588 * expr.c (optimize_bitfield_assignment_op): Ditto.
6589 (expand_assignement): Ditto.
6590 (store_expr): Ditto.
6591 (store_field): Ditto.
6592 (expand_expr_addr_expr_1): Use NULL_RTX instead of NULL in
6593 the call to expand_expr().
6594 (expand_expr_real_1) [COMPLEX_CST]: Use EXPAND_NORMAL instead of 0
6595 in the call to expand_expr().
6596 [CONSTRUCTOR, PLUS_EXPR, MINUS_EXPR, NEGATE_EXPR, ABS_EXPR,
6597 BIT_NOT_EXPR, LSHIFT_EXPR, LT_EXPR, TRUTH_NOT_EXPR]: Ditto.
6598 [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO]: Use expand_normal() instead
6600 * optabs.c (expand_vec_shift_expr): Ditto.
6601 (expand_vec_cond_expr): Ditto.
6602 (vector_compare_rtx): Use EXPAND_STACK_PARM instead of 1 in the
6603 call to expand_expr().
6604 * stmt.c (expand_return): Use EXPAND_NORMAL instead of 0
6605 in the call to expand_expr().
6607 2007-05-14 Dave Korn <dave.korn@artimi.com>
6609 * genautomata.c (gen_regexp_el): Allocate correct size for regexp.
6611 2007-05-14 Rafael Avila de Espindola <espindola@google.com>
6613 * c-common.c (warnings_for_convert_and_check): Use unsigned_type_for
6614 instead of c_common_unsigned_type.
6615 (c_common_unsigned_type): Remove.
6616 (shorten_compare): Use c_common_signed_or_unsigned_type instead of
6617 c_common_unsigned_type.
6618 (c_common_nodes_and_builtins): Use unsigned_type_for instead of
6619 c_common_unsigned_type.
6620 * c-common.h (c_common_unsigned_type): Remove.
6621 * c-decl.c (grokdeclarator): Use unsigned_type_for instead of
6622 c_common_unsigned_type.
6623 * c-format.c (check_format_types): Use unsigned_type_for instead of
6624 c_common_unsigned_type.
6625 * c-objc-common.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
6626 * c-typeck.c (convert_for_assignment): Use unsigned_type_for instead
6627 of c_common_unsigned_type.
6628 * convert.c (convert_to_integer): Use unsigned_type_for instead of
6629 lang_hooks.types.unsigned_type.
6630 * expmed.c (make_tree): Use unsigned_type_for instead of
6631 lang_hooks.types.unsigned_type.
6632 * fold-const.c (fold_negate_expr): Use unsigned_type_for instead of
6633 lang_hooks.types.unsigned_type.
6634 (build_range_check): Likewise.
6635 (fold_unary): Likewise.
6636 (fold_binary): Likewise.
6637 (fold_ternary): Likewise.
6638 * langhooks-def.h (LANG_HOOKS_UNSIGNED_TYPE): Remove.
6639 * langhooks.h (lang_hooks_for_types): Remove unsigned_type.
6640 * tree.c (get_unsigned_type): New.
6641 (unsigned_type_for): Use get_unsigned_type instead of
6642 lang_hooks.types.unsigned_type.
6644 2007-05-14 Kazu Hirata <kazu@codesourcery.com>
6646 * config/m68k/m68k-protos.h: Rename m68k_interrupt_function_p
6647 to m68k_get_function_kind. Update its prototype.
6648 * config/m68k/m68k.c (m68k_attribute_table): Add an entry for
6650 (m68k_interrupt_function_p): Return enum m68k_function_type
6651 instead of bool. Rename to m68k_get_function_kind.
6652 (m68k_handle_fndecl_attribute): Reject interrupt_thread if the
6654 (m68k_compute_frame_layout): Don't mark any register for save
6655 if an interrupt_thread attribute is specified.
6656 (m68k_hard_regno_rename_ok): Update a use of
6657 m68k_interrupt_function_p.
6658 * config/m68k/m68k.h (EPILOGUE_USES): Update a use of
6659 m68k_interrupt_function_p.
6660 (m68k_function_type): New.
6661 * config/m68k/m68k.md (*return): Output a 'sleep' instruction
6662 for a function with an interrupt_thread attribute.
6663 * doc/extend.texi: Document the interrupt_thread attribute.
6665 2007-05-13 Daniel Berlin <dberlin@dberlin.org>
6667 Fix PR tree-optimization/31911
6668 * tree-ssa-pre.c (phi_translate): Make sure to cache results even
6669 if they didn't change the expression.
6671 2007-05-13 Zdenek Dvorak <dvorakz@suse.cz>
6673 * tree-scalar-evolution.c (resolve_mixers): Exported.
6674 * tree-scalar-evolution.h (resolve_mixers): Declare.
6675 * tree-data-ref.c (object_analysis, ptr_decl_may_alias_p,
6676 ptr_ptr_may_alias_p, may_alias_p, record_ptr_differ_p,
6677 record_record_differ_p, record_array_differ_p, array_ptr_differ_p,
6678 base_object_differ_p, base_addr_differ_p, analyze_array_indexes,
6679 init_array_ref, init_pointer_ref, analyze_indirect_ref,
6680 strip_conversion, analyze_offset_expr, address_analysis,
6681 object_analysis, analyze_offset): Removed.
6682 (dr_analyze_innermost, dr_analyze_indices, dr_analyze_alias,
6683 split_constant_offset, canonicalize_base_object_address,
6684 object_address_invariant_in_loop_p, disjoint_objects_p,
6685 dr_may_alias_p, dr_address_invariant_p): New functions.
6686 (create_data_ref): Use dr_analyze_innermost, dr_analyze_indices
6687 and dr_analyze_alias.
6688 (initialize_data_dependence_relation): Use dr_may_alias_p
6689 and object_address_invariant_in_loop_p.
6690 (compute_self_dependence): Handle the case when
6691 DDR_ARE_DEPENDENT (ddr) is chrec_dont_know.
6692 (find_data_references_in_stmt): Restrict the analysis of data
6693 references to the given loop nest.
6694 (find_data_references_in_loop): Made static. Pass loop nest to
6695 find_data_references_in_stmt.
6696 (compute_data_dependences_for_loop): Use DR_VOPS.
6697 (free_data_ref): Free DR_VOPS.
6698 * tree-data-ref.h (struct first_location_in_loop): Replaced by ...
6699 (struct innermost_loop_behavior): ... new.
6700 (struct base_object_info): Replaced by ...
6701 (struct indices): ... new.
6702 (struct dr_alias): New.
6703 (enum data_ref_type): Removed.
6704 (struct data_reference): Consist of struct innermost_loop_behavior,
6705 struct indices and struct dr_alias.
6706 (DR_SET_ACCESS_FNS, DR_FREE_ACCESS_FNS): Removed.
6707 (DR_MEMTAG): Renamed to ...
6708 (DR_SYMBOL_TAG): ... this.
6709 (find_data_references_in_loop): Declaration removed.
6710 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Use DR_INIT
6711 instead of DR_OFFSET_MISALIGNMENT. DR_ALIGNED_TO is never NULL.
6712 (vect_analyze_data_refs): Use DR_SYMBOL_TAG instead of DR_MEMTAG.
6713 * tree-vect-transform.c (vect_create_data_ref_ptr): Ditto.
6715 2007-05-13 Revital Eres <eres@il.ibm.com>
6717 * tree-ssa-dse.c (get_use_of_stmt_lhs): New function
6718 which walks virtual def-use chains to find redundant stores.
6719 (dse_optimize_stmt): Call it.
6721 2007-05-12 Steven Bosscher <steven@gcc.gnu.org>
6723 * gcse.c (gcse_main): Do jump bypassing in CPROP2.
6724 * passes.c (init_optimization_passes): Move pass_jump_bypass
6727 * basic-block.h (bb_has_eh_pred): Fix style issue.
6729 2007-05-12 Steven Bosscher <steven@gcc.gnu.org>
6731 PR rtl-optimization/31848
6732 * loop-invariant.c (move_invariant_reg): If we move an insn
6733 with a REG_EQUAL note, and that insn is not always executed,
6734 remove the REG_EQUAL note.
6736 2007-05-12 Richard Guenther <rguenther@suse.de>
6738 PR tree-optimization/31797
6739 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Do not
6740 propagate into a stmt that has volatile ops.
6742 2007-05-12 Richard Sandiford <richard@codesourcery.com>
6744 * configure.ac (gcc_gxx_include_dir): Use $(libsubdir_to_prefix).
6745 (gcc_tooldir): Likewise.
6746 * configure: Regenerate.
6747 * Makefile.in (libsubdir_to_prefix): New variable, based on the
6748 old configure.ac gcc_tooldir setting.
6749 (prefix_to_exec_prefix): New variable.
6750 (DRIVER_DEFINES): Use $(libsubdir_to_prefix)$(prefix_to_exec_prefix)
6751 rather than $(unlibsubdir)/../ to derive TOOLDIR_BASE_PREFIX.
6753 2007-05-11 Silvius Rus <rus@google.com>
6755 * Makefile.in (OBJS-common): Add tree-ssa-alias-warnings.o.
6756 * c-common.c (strict_aliasing_warning): Modify -Wstrict-aliasing logic.
6757 * c-common.h (strict_aliasing_warning): Change return type.
6758 * c-opts.c (c_common_handle_option): Add call to set_Wstrict_aliasing.
6759 * c-typeck.c (build_indirect_ref): Add call to strict_aliasing_warning.
6760 (build_c_cast): Condition call to strict_aliasing_warning.
6761 * doc/invoke.texi: Update description of -Wstrict-aliasing[=n].
6762 * flags.h (set_Wstrict_aliasing): Declare.
6763 * opts.c (set_Wstrict_alising): Define, add call to.
6764 * tree-flow.h (strict_aliasing_warning_backend): Declare.
6765 * tree-ssa-alias-warnings.c: New file.
6766 * tree-ssa-alias.c (compute_may_aliases): Add call to
6767 strict_aliasing_warning_backend.
6769 2007-05-11 Zdenek Dvorak <dvorakz@suse.cz>
6771 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
6772 Use loop_depth and loop_outer accessor functions.
6773 * tree-ssa-loop-im.c (outermost_invariant_loop, set_level,
6774 determine_invariantness_stmt, move_computations_stmt): Ditto.
6775 * cfgloopmanip.c (fix_bb_placement, fix_loop_placement, remove_path,
6776 add_loop, loopify, unloop, fix_loop_structure): Ditto.
6777 * tree-ssa-loop-manip.c (find_uses_to_rename_use): Ditto.
6778 * tree-scalar-evolution.c (interpret_loop_phi,
6779 compute_scalar_evolution_in_loop, analyze_scalar_evolution_in_loop,
6780 instantiate_parameters_1, scev_const_prop): Ditto.
6781 * cfghooks.c (make_forwarder_block): Ditto.
6782 * cfgloopanal.c (mark_irreducible_loops, mark_loop_exit_edges): Ditto.
6783 * modulo-sched.c (loop_canon_p): Ditto.
6784 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg,
6785 slpeel_can_duplicate_loop_p): Ditto.
6786 * lambda-code.c (invariant_in_loop_and_outer_loops): Ditto.
6787 * tree-cfg.c (tree_duplicate_sese_region): Ditto.
6788 * cfgloop.c (flow_loop_dump, flow_loop_nodes_find, rescan_loop_exit,
6789 cancel_loop, verify_loop_structure): Ditto.
6790 (flow_loop_nested_p, superloop_at_depth, flow_loop_free,
6791 add_bb_to_loop, remove_bb_from_loops, find_common_loop): Use the
6792 superloops vector instead of "pred" array.
6793 (establish_preds): Take father loop as an argument. Initialize the
6795 (flow_loop_tree_node_add): Pass father loop to establish_preds.
6796 Do not initialize loop->outer.
6797 (flow_loop_tree_node_remove): Truncate the superloops vector.
6798 * cfgloop.h (struct loop): Removed field "outer", fields "depth" and
6799 "pred" merged to "superloops" vector.
6800 (loop_depth, loop_outer): New.
6801 (fel_init): Use loop_outer.
6803 2007-05-11 Jan Hubicka <jh@suse.cz>
6805 * cgraphunit.c: Include gt-cgraphunit.h
6806 (static_ctors, static_dtors): New static vars.
6807 (record_cdtor_fn, build_cdtor, cgraph_build_cdtor_fns): New functions,
6808 based on implementation in c-common.c
6809 (cgraph_finalize_function): Call record_cdtor_fn.
6810 (cgraph_optimize): Call cgraph_build_cdtor_fns.
6811 * decl.c (finish_function): Do not call c_record_cdtor_fn.
6812 (c_write_global_declarations): Do not call c_build_cdtor_fns.
6813 * c-common.c (static_ctors, static_dtors, c_record_cdtor_fn,
6814 build_cdtor, c_build_cdtor_fns): Remove.
6815 * c-common.h (static_ctors, static_dtors, c_record_cdtor_fn,
6816 c_build_cdtor_fns): Remove prototype.
6818 2007-05-11 Paolo Carlini <pcarlini@suse.de>
6821 * builtin-types.def: Add BT_FN_PTR_CONST_PTR_INT_SIZE.
6822 * builtins.def: Add BUILT_IN_MEMCHR, use the latter.
6823 * builtins.c (fold_builtin_memchr): New.
6824 (expand_builtin_memchr): Call the latter.
6825 (expand_builtin, fold_builtin_3): Deal with BUILT_IN_MEMCHR.
6826 * doc/extend.texi ([Other built-in functions provided by GCC]):
6829 2007-05-11 Andreas Krebbel <krebbel1@de.ibm.com>
6831 * config/s390/s390.md (GPR0_REGNUM, FPR0_REGNUM, FPR2_REGNUM,
6832 PFPO_CONVERT, PFPO_OP_TYPE_SF, PFPO_OP_TYPE_DF, PFPO_OP_TYPE_TF,
6833 PFPO_OP_TYPE_SD, PFPO_OP_TYPE_DD, PFPO_OP_TYPE_TD, PFPO_OP0_TYPE_SHIFT,
6834 PFPO_OP1_TYPE_SHIFT): Constants added.
6835 (DFP_ALL): Mode macro defined.
6836 ("*trunc<BFP:mode><DFP_ALL:mode>2", "*trunc<DFP_ALL:mode><BFP:mode>2",
6837 "*extend<BFP:mode><DFP_ALL:mode>2", "*extend<DFP_ALL:mode><BFP:mode>2"):
6838 Insn definitions added.
6839 ("trunc<BFP:mode><DFP_ALL:mode>2", "trunc<DFP_ALL:mode><BFP:mode>2",
6840 "extend<BFP:mode><DFP_ALL:mode>2", "extend<DFP_ALL:mode><BFP:mode>2"):
6843 2007-05-10 Zdenek Dvorak <dvorakz@suse.cz>
6845 PR tree-optimization/31885
6846 * tree-chrec.c (chrec_contains_undetermined): Do not consider
6847 NULL_TREE to be undetermined.
6848 (automatically_generated_chrec_p): Return false for NULL.
6850 2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com>
6852 * config/bfin/bfin.h (MOVE_RATIO): Define.
6854 2007-05-10 Richard Sandiford <richard@codesourcery.com>
6856 * config.gcc (sparc-wrs-vxworks): New target.
6857 * config/sparc/vxworks.h, config/sparc/t-vxworks: New files.
6858 * config/sparc/sparc-protos.h (sparc_emit_call_insn): Declare.
6859 * config/sparc/sparc.h: Include vxworks-dummy.h.
6860 (PRINT_OPERAND_ADDRESS): Extend SYMBOL_REF handling to
6861 include LABEL_REFs too.
6862 * config/sparc/sparc.c (sparc_expand_move): Don't assume that
6863 _GLOBAL_OFFSET_TABLE_ - label_ref is a link-time constant on
6865 (legitimize_pic_address): Handle LABEL_REFs like SYMBOL_REFs
6867 (load_pic_register): Use gen_vxworks_load_got for VxWorks.
6868 (sparc_emit_call_insn): New function.
6869 (sparc_function_ok_for_sibcall): Restrict sibcalls to locally-binding
6870 functions when generating VxWorks PIC.
6871 * config/sparc/sparc.md (vxworks_load_got): New pattern.
6872 (call, call_value): Use sparc_emit_call_insn instead of
6875 2007-05-09 Bob Wilson <bob.wilson@acm.org>
6877 * config/xtensa/xtensa.c (xtensa_output_literal): Don't use #if.
6879 2007-05-09 Bob Wilson <bob.wilson@acm.org>
6881 * config/xtensa/xtensa.c (xtensa_output_literal): Mask out high bits
6882 for floating-point values if HOST_BITS_PER_LONG > 32. Use
6883 split_double instead of operand_subword.
6885 2007-05-08 Bernd Schmidt <bernd.schmidt@analog.com>
6887 * config/bfin/bfin.h (LOCAL_ALIGNMENT): Define.
6888 * config/bfin/bfin.c (bfin_local_alignment): New function.
6889 * config/bfin/bfin-protos.h (bfin_local_alignment): Declare it.
6891 2007-05-08 Chao-ying Fu <fu@mips.com>
6893 * doc/md.texi (msub@var{m}@var{n}4, usub@var{m}@var{n}4): Document.
6894 * optabs.h (OTI_smsub_widen, OTI_umsub_widen): New optab_indexes.
6895 (smsub_widen_optab, umsub_widen_optab): Define.
6896 * optabs.c (init_optabs): Initialize smsub_widen_optab and
6898 * genopinit.c (optabs): Fill in smsub_widen_optab and
6900 * expr.c (expand_expr_real_1): Try to use smsub_widen_optab
6901 and umsub_widen_optab to implement multiply-subtract sequences.
6902 * config/mips/mips.md (*msac<u>_di): Rename to...
6903 (<u>msubsidi4): ...this. Extend condition to include
6904 GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
6905 of operand 0 to "ka" and use the three-operand form of msub<u>
6907 * config/mips/mips-dspr2.md (mips_msub, mips_msubu): Convert
6910 2007-05-08 Kaz Kojima <kkojima@gcc.gnu.org>
6912 PR rtl-optimization/28011
6913 * reload.c (push_reload): Set dont_share if IN appears in OUT
6914 also when IN is a PLUS rtx.
6915 (reg_overlap_mentioned_for_reload_p): Return true if X and IN
6918 2007-05-08 Kazu Hirata <kazu@codesourcery.com>
6920 * emit-rtl.c (unshare_all_rtl_1): Don't copy DECL_RTL. Don't
6921 call unshare_all_decls.
6922 (unshare_all_rtl): Adjust the call to unshare_all_rtl_1.
6923 (unshare_all_decls): Remove.
6925 2007-05-08 Simon Martin <simartin@users.sourceforge.net>
6928 * tree-dump.c (dump_options): Don't use TDF_DIAGNOSTIC in "*-all" tree
6931 2007-05-08 Sandra Loosemore <sandra@codesourcery.com>
6932 Nigel Stephens <nigel@mips.com>
6934 * config/mips/mips.h (MAX_FPRS_PER_FMT): Renamed from FP_INC.
6935 Update comments and all uses.
6936 (MIN_FPRS_PER_FMT): Define.
6937 * config/mips/mips.c (function_arg): Fix to correctly handle
6938 the -mips32r2 -mfp64 -mabi=32 case.
6939 (override_options): Enable use of odd-numbered registers for
6940 SFmode values on MIPS32.
6941 (mips_save_reg_p): Save whole floating-point register pair if
6942 either half is used.
6943 (compute_frame_size): Fix comment.
6945 2007-05-08 Jie Zhang <jie.zhang@analog.com>
6947 * config/bfin/bfin-protos.h (bfin_expand_epilogue): Add a third
6948 argument of type bool.
6949 * config/bfin/bfin.c (add_to_reg): Add epilogue_p as a fourth
6950 argument. Safely select temporary P register according to it.
6951 (do_link): Change call site of add_to_reg accordingly.
6952 (do_unlink): Add epilogue_p as a fourth argument and pass it
6954 (expand_interrupt_handler_epilogue): Change call of do_unlink
6956 (bfin_expand_prologue): Add a third argument sibcall_p.
6957 * config/bfin/bfin.md (epilogue): Change call of
6958 bfin_expand_epilogue accordingly.
6959 (sibcall_epilogue): Likewise.
6960 (eh_return_internal): Likewise.
6962 * config/bfin/bfin-protos.h (enum bfin_cpu): Add
6963 BFIN_CPU_BF534, BFIN_CPU_BF536 and BFIN_CPU_BF561.
6964 * config/bfin/bfin.c (bfin_handle_option): Handle
6965 -mcpu=bf534, -mcpu=bf536 and -mcpu=bf561.
6966 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS):
6967 Support bf534, bf536 and bf561.
6968 * doc/invoke.texi (Blackfin Options): Document -mcpu and -msim.
6970 2007-05-08 Uros Bizjak <ubizjak@gmail.com>
6973 * config/i386/i386.c (ix86_function_regparm): Process local
6974 functions only when TREE_CODE (decl) equals FUNCTION_DECL.
6976 2007-05-07 Mike Stump <mrs@apple.com>
6978 * doc/invoke.texi (Warning Options): Document that -Wempty-body
6979 also checks for and while statements in C++.
6981 2007-05-07 Nathan Froyd <froydnj@codesourcery.com>
6983 * gcc.c (at_file_supplied): New variable.
6984 (main): Set it if we expanded argv.
6985 (do_spec_1): Pass an @-file to the linker if we were called with
6986 an @-file argument and HAVE_GNU_LD.
6987 * collect2.c (at_file_supplied): New variable.
6988 (response_file): New variable.
6989 (collect_exit): Unlink response_file if necessary.
6990 (handler): Likewise.
6991 (do_wait): Likewise.
6992 (main): Set at_file_supplied if we expanded argv.
6993 (collect_execute): Pass an @-file to subprocesses if we were called
6994 with an @-file argument.
6995 * configure.ac: Add define for HAVE_GNU_LD.
6996 * configure: Regenerate.
6997 * config.in: Regenerate.
6999 2007-05-07 Naveen.H.S <naveen.hs@kpitcummins.com>
7001 * config/m32c/muldiv.md (mulhisi3_c): Limit the mode of the 2nd
7007 2007-05-07 Jayant Sonar <jayants@kpitcummins.com>
7009 * config/m32c/m32c.c (SYMBOL_FLAG_FUNCVEC_FUNCTION): Define.
7010 (TARGET_ENCODE_SECTION_INFO): Re-define.
7011 (m32c_encode_section_info): New
7012 (function_vector_handler): New
7013 (current_function_special_page_vector): New
7014 (m32c_special_page_vector_p): New.
7015 * config/m32c/m32c-protos.h (m32c_special_page_vector_p):
7017 * config/m32c/jump.md: Added instruction JSRS for functions
7018 with attribute "function_vector".
7019 * doc/extend.texi (function_vector): Added description
7020 for M16C, M32C targets.
7022 2007-05-07 DJ Delorie <dj@redhat.com>
7025 * config/m32c/shift.md (ashlpsi3_i, ashrpsi3_i, ashlpsi3,
7026 ashrpsi3, lshrpsi3): Update shift count constraint.
7028 2007-05-07 Danny Smith <dannysmith@users.sourceforge.net>
7029 Nathan Froyd <froydnj@codesourcery.com>
7032 * c-incpath.c (add_path): Strip trailing path separators.
7034 2007-05-07 Eric Botcazou <ebotcazou@adacore.com>
7036 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Reset cfg_altered.
7037 Free dominance info before purging EH edges.
7038 (eliminate_degenerate_phis): Likewise.
7039 (propagate_rhs_into_lhs): Set cfg_altered to true instead of 1.
7041 2007-05-07 Jan Hubicka <jh@suse.cz>
7043 * gimplify.c (gimplify_expr): Do not crash when folding
7044 (void *)(int)&a + 4.
7046 2007-05-07 Francois-Xavier Coudert <fxcoudert@gcc.gnu.org>
7049 * c-opts.c (lang_fortran): Make it non static.
7050 * c-common.h (lang_fortran): New prototype.
7051 * c-cppbuiltin.c (c_cpp_builtins): Create a __GFORTRAN__ if the
7052 -lang-fortran option was passed by the driver.
7054 2007-05-06 Eric Botcazou <ebotcazou@adacore.com>
7056 * timevar.c (timevar_print): Test ENABLE_ASSERT_CHECKING instead
7057 of ASSERT_CHECKING. Tweak message.
7059 2007-05-06 Revital Eres <eres@il.ibm.com>
7062 * loop-unroll.c (insert_var_expansion_initialization):
7063 Initialize the expansions with -zero instead of +zero.
7065 2007-05-05 Aurelien Jarno <aurelien@aurel32.net>
7067 * config/pa/pa.md: Split tgd_load, tld_load and tie_load
7068 into pic and non-pic versions. Mark r19 as used for
7069 tgd_load_pic, tld_load_pic and tie_load_pic. Mark r27 as used
7070 for tgd_load, tld_load and tie_load .
7071 * config/pa/pa.c (legitimize_tls_address): Emit pic or non-pic
7072 version of tgd_load, tld_load and tie_load depending on the
7075 2007-05-04 Ulrich Drepper <drepper@redhat.com>
7076 Jakub Jelinek <jakub@redhat.com>
7078 * crtstuff.c (HIDDEN_DTOR_LIST_END): New macro.
7079 (__do_global_dtors_aux): Use more paranoid loop to run
7080 destructors if HIDDEN_DTOR_LIST_END.
7081 (__DTOR_END__): Export as a hidden symbol when HIDDEN_DTOR_LIST_END.
7083 2007-05-04 Jakub Jelinek <jakub@redhat.com>
7085 * varasm.c (align_variable): Don't increase alignment for
7086 DECL_THREAD_LOCAL_P variables above BITS_PER_WORD through
7087 DATA_ALIGNMENT or CONSTANT_ALIGNMENT.
7089 2007-05-04 Josh Conner <jconner@apple.com>
7091 * basic-block.h (cdi_direction): Assign values to all enumeration
7093 (dom_computed): Remove.
7094 (dom_info_state): New.
7095 (set_dom_info_availability): New.
7096 * tree-ssa-loop-im.c (determine_invariantness): Initialize
7097 walk_data.dom_direction.
7098 * cfghooks.c (delete_basic_block): Use dom_info_available_p()
7099 instead of dom_computed[].
7100 (split_edge): Likewise.
7101 (create_basic_block): Likewise.
7102 (merge_blocks): Likewise.
7103 * ifcvt.c (find_if_header): Likewise.
7104 * tree-cfgcleanup.c (cleanup_tree_cfg): Likewise.
7105 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
7106 * tree-ssa.c (verify_ssa): Likewise.
7107 * tree-cfg.c (tree_verify_flow_info): Likewise.
7108 (remove_edge_and_dominated_blocks): Likewise.
7109 * dominance.c (dom_computed): Make static.
7110 (calc_dfs_tree_nonrec): Change third param to a bool.
7111 (calc_dfs_tree): Change second param to a bool.
7112 (calc_idioms): Change second param to a bool. Use
7113 dom_convert_dir_to_idx.
7114 (init_dom_info): Validate dir before using.
7115 (dom_convert_dir_to_idx): New.
7116 (calculate_dominance_info): Use dom_convert_dir_to_idx. New
7117 variable 'reverse' used for calling calc_dfs_tree and calc_idoms.
7118 (free_dominance_info): Use dom_convert_dir_to_idx.
7119 (get_immediate_dominator): Likewise.
7120 (set_immediate_dominator): Likewise.
7121 (get_dominated_by): Likewise.
7122 (redirect_immediate_dominators): Likewise.
7123 (nearest_common_denominator): Likewise.
7124 (dominated_by_p): Likewise.
7125 (bb_dom_dfs_in): Likewise.
7126 (bb_dom_dfs_out): Likewise.
7127 (recount_dominator): Likewise.
7128 (iterate_fix_dominators): Likewise.
7129 (add_to_dominance_info): Likewise.
7130 (delete_from_dominance_info): Likewise.
7131 (first_dom_son): Likewise.
7132 (next_dom_son): Likewise.
7133 (dom_info_available_p): Likewise.
7134 (dom_info_state): New.
7135 (set_dom_info_availability): New.
7137 2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
7139 * config/s390/s390.md ("fix_trunc<mode>di2", "fix_trunc<mode>si2"):
7141 ("fix_trunc<DSF:mode><GPR:mode>2"): Expander added.
7143 2007-05-04 Bob Wilson <bob.wilson@acm.org>
7145 * config/xtensa/xtensa.md (adddi3, adddi_carry): Delete.
7146 (subdi3, subdi_carry): Delete.
7148 2007-05-04 Jan Hubicka <jh@suse.cz>
7149 Richard Guenther <rguenther@suse.de>
7151 * opts.c (decode_options): Do not fiddle with inlining
7152 parameters in case of optimizing for size.
7153 * ipa-inline.c (cgraph_decide_recursive_inlining): When optimizing
7154 for size do nothing.
7155 (cgraph_decide_inlining_of_small_function): When optimizing for
7156 size never inline functions increasing caller size.
7157 (cgraph_early_inlining): Inline for size when optimizing for size.
7159 2007-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
7161 * config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
7162 logical operations piecewise.
7163 (<optab>di_zesidi_di, <optab>di_sesidi_di, negdi2, one_cmpldi2,
7164 zero_extendsidi2, subdi_di_zesidi, subdi_zesidi_di, subdi_di_sesidi,
7165 subdi_sesidi_di): Delete.
7166 (add_with_carry): Produce carry in CC instead of a DREG to shorten
7167 the generated sequence. Allow three-reg add in constraints. Rewrite
7168 the rtl expression for carry to avoid zero_extend of a constant.
7169 (sub_with_carry): New pattern.
7170 (adddi3, subdi3): Change into define_expand. For subtract, generate a
7171 different sequence not involving jumps.
7172 (notbi): Now a named pattern.
7174 2007-05-04 Bradley Lucier <lucier@math.purdue.edu>
7176 * doc/invoke.texi (i386 and x86-64 Options) [-mpc32, -mpc64, -mpc80]:
7177 Add the note about a significant loss of accuracy of some
7178 mathematical routines when these options are used.
7180 2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7182 * haifa-sched.c (rtx_vec_t): New typedef.
7183 (contributes_to_priority_p): Extract piece of priority () into new
7185 (priority): Use the function. Add assertion.
7186 (rank_for_schedule, set_priorities): Add assertion to check that
7187 insn's priority is initialized.
7188 (clear_priorities, calc_priorities): Change signature. Make it update
7189 all relevant insns. Update all callers ('add_to_speculative_block ()'
7190 and 'create_block_check_twin ()').
7191 * sched-int.h (struct haifa_insn_data): Remove field 'priority_known'.
7192 Add new field 'priority_status'.
7193 (INSN_PRIORITY_STATUS): New macro.
7194 (INSN_PRIORITY_KNOWN): Change to use INSN_PRIORITY_STATUS.
7196 2007-05-04 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7198 * sched-ebb.c (debug_ebb_dependencies): New static function.
7199 (init_ready_list): Use it.
7201 * sched-rgn.c (debug_dependencies): Split into 'debug_dependencies ()'
7202 with changed signature and 'debug_rgn_dependencies ()'.
7203 (debug_rgn_dependencies): New static function.
7204 (init_ready_list): Use it.
7206 * sched-int.h (debug_dependencies): Declare.
7208 2007-05-04 Andreas Krebbel <krebbel1@de.ibm.com>
7210 * libgcc-std.ver (__ffssi2): Added to GCC_4.3.0 section.
7212 2007-05-04 Dirk Mueller <dmueller@suse.de>
7214 * c.opt(Wmain,ffreestanding): Enable for C++,ObjC++.
7216 2007-05-03 Jan Hubicka <jh@suse.cz>
7218 * fold-const.c (fold_unary): Convert (T1)(X op Y) into
7219 ((T1)X op (T1)Y), for pointer type in more cases than before.
7221 * gimplify.c (gimplify_expr): Fold (void *)&a + 4.
7223 * tree-object-size.c (plus_expr_object_size): When operand size is
7224 unknown, return unknown.
7226 2007-05-03 Dirk Mueller <dmueller@suse.de>
7228 * doc/invoke.texi (-m386,-m486,-mpentium,-mpentiumpro): Remove.
7230 * config/i386/i386.h (CC1_CPU_SPEC): Remove handling for deprecated
7233 * config/i386/i386.opt (m386,m486,mpentium,mpentiumpro): Remove.
7235 2007-05-03 Janis Johnson <janis187@us.ibm.com>
7237 * doc/sourcebuild.texi (Test Directives) Clarify dg-excess-errors.
7239 2007-05-03 Joseph Myers <joseph@codesourcery.com>
7241 * config/soft-fp/double.h, config/soft-fp/extended.h,
7242 config/soft-fp/floatundidf.c, config/soft-fp/floatundisf.c,
7243 config/soft-fp/floatunsidf.c, config/soft-fp/floatunsisf.c,
7244 config/soft-fp/op-2.h, config/soft-fp/op-4.h,
7245 config/soft-fp/op-common.h, config/soft-fp/quad.h: Update from
7248 2007-05-03 Ian Lance Taylor <iant@google.com>
7250 * config/rs6000/rs6000.c (rs6000_override_options): Don't set
7251 MASK_PPC_GFXOPT for 8540 or 8548.
7253 2007-05-03 Uros Bizjak <ubizjak@gmail.com>
7255 * tree-vect-transform.c (vect_update_inits_of_drs): Use
7256 vect_print_dump_info() to output debug information.
7258 2007-05-03 Uros Bizjak <ubizjak@gmail.com>
7261 * config/i386/i386.c (print_operand) ['z']: Output 'w' for
7262 operands of size 2 when operand is not MEM_P.
7264 2007-05-03 Zdenek Dvorak <dvorakz@suse.cz>
7266 PR tree-optimization/30565
7267 * lambda-code.c (perfect_nestify): Fix updating of dominators.
7269 2007-05-03 Bernd Schmidt <bernd.schmidt@analog.com>
7271 * config/bfin/bfin.md (addpdi3, us_truncpdisi2): New patterns.
7272 (umulsi3_highpart): Use them.
7273 * config/bfin/lib1funcs.asm (__umulsi3_highpart): Use unsigned move
7274 for final accumulator to D regisster tranfser.
7276 2007-05-03 Dorit Nuzman <dorit@il.ibm.com>
7278 PR tree-optimization/31699
7279 * tree-vect-analyze.c (vect_update_misalignment_for_peel): Remove
7281 (vect_enhance_data_refs_alignment): Compute peel amount using
7282 TYPE_VECTOR_SUBPARTS instead of vf.
7283 * tree-vect-transform.c (vect_gen_niters_for_prolog_loop): Likewise.
7285 2007-05-02 Brooks Moses <brooks.moses@codesourcery.com>
7288 * system.h: Remove inclusion of double-int.h
7289 * tree.h: Include double-int.h
7290 * gengtype.c: Likewise
7291 * cfgloop.h: Likewise
7292 * Makefile.in: Adjust dependencies on double-int.h
7294 2007-05-02 Eric Christopher <echristo@apple.com>
7296 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Translate
7297 -shared to -Zdynamiclib.
7299 2007-05-02 Seongbae Park <seongbae.park@gmail.com>
7302 * c-common.c (strip_pointer_or_array_types): New function.
7303 * c-common.h (strip_pointer_or_array_types): New function declaration.
7305 2007-05-03 Zdenek Dvorak <dvorakz@suse.cz>
7307 PR tree-optimization/31771
7308 * tree-cfg.c (move_block_to_fn): Assign bb to the correct index.
7310 2007-05-02 Paul Brook <paul@codesourcery.com>
7312 * config/arm/bpabi.S (aeabi_lcmp): Fix result on overflow.
7314 2007-05-02 Andrew Pinski <andrew_pinski@playstation.sony.com>
7317 * fold-const.c (fold_comparision): Remove the "foo++ == CONST"
7320 2007-05-02 Nick Clifton <nickc@redhat.com>
7322 * config/frv/predicates.md (symbolic_operand): Accept CONSTs.
7324 2007-05-02 Richard Guenther <rguenther@suse.de>
7326 PR tree-optimization/31146
7327 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): New
7328 argument, single_use_p. If we have a single use that is
7329 a conversion to the definition rhs type, propagate that rhs.
7330 (forward_propagate_addr_expr): Pass single_use_p argument
7331 to forward_propagate_addr_expr_1.
7333 2007-05-01 H.J. Lu <hongjiu.lu@intel.com>
7335 * config/i386/i386.c (ix86_expand_sse_comi): Remove unused
7338 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
7340 * doc/invoke.texi: Fix typo, 'AMD Family 10h core' instead of
7341 'AMD Family 10 core'.
7343 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
7345 * config/i386/i386.c (override_options): Accept k8-sse3, opteron-sse3
7346 and athlon64-sse3 as improved versions of k8, opteron and athlon64
7347 with SSE3 instruction set support.
7348 * doc/invoke.texi: Likewise.
7350 2007-05-01 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
7352 * config/i386/i386.c (override_options): Tuning 32-byte loop
7353 alignment for amdfam10 architecture. Increasing the max loop
7354 alignment to 24 bytes.
7356 2007-05-01 Kazu Hirata <kazu@codesourcery.com>
7358 * config/m68k/constraints.md: New.
7359 * config/m68k/m68k.h (REG_CLASS_FROM_LETTER,
7360 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P,
7361 EXTRA_CONSTRAINT): Remove.
7362 * config/m68k/m68k.md: Include constraints.md.
7363 * expr.c (expand_expr_real_1): Copy DECL_RTL before using it.
7365 2007-05-01 Ian Lance Taylor <iant@google.com>
7367 PR tree-optimization/31739
7368 * tree-vrp.c (vrp_val_is_max): New static function.
7369 (vrp_val_is_min): New static function.
7370 (set_value_range_to_value): Use TYPE_{MAX,MIN}_VALUE rather than
7372 (set_value_range): Use vrp_val_is_{max,min}.
7373 (extract_range_from_assert): Likewise.
7374 (extract_range_from_binary_expr): Likewise.
7375 (extract_range_from_unary_expr): Likewise.
7376 (dump_value_range, vrp_meet): Likewise.
7377 (vrp_visit_phi_node): Likewise.
7378 * tree.c (build_distinct_type_copy): Revert change of 2007-04-27.
7380 2007-05-01 Mark Mitchell <mark@codesourcery.com>
7382 * config/i386/gmon-sol2.c (size_t): New type.
7383 (intptr_t): Likewise.
7384 (s_textsize): Declare as size_t.
7386 (monstartup): Use size_t for sizes.
7387 (_mcount): Save and restore registers.
7388 (internal_mcount): Pass 0 as the first argument to monstartup
7390 (moncontrol): Convert pointer to appropriately sized integer
7391 before passing to profil.
7393 2007-05-01 Joseph Myers <joseph@codesourcery.com>
7395 * config/rs6000/darwin-ldouble.c (__gcc_qunord): Define if
7396 __NO_FPRS__, not just if _SOFT_DOUBLE.
7397 * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qunord): Likewise.
7398 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Use __gcc_qunord
7399 also for E500 double.
7400 * config/rs6000/rs6000.md (buneq, bunge, bungt, bunle, bunlt,
7401 suneq, sunge, sungt, sunle, sunlt): Disable for (TARGET_HARD_FLOAT
7404 2007-05-01 Richard Guenther <rguenther@suse.de>
7406 * tree-ssa-loop-manip.c (ip_normal_pos): Check if last stmt
7409 2007-05-01 Joseph Myers <joseph@codesourcery.com>
7411 * config/rs6000/libgcc-ppc-glibc.ver (__gcc_qgt): Fix typo.
7413 2007-05-01 Jan Hubicka <jh@suse.cz>
7415 * tree-vectorize.c (vect_is_simple_use): gimple_min_invariant is
7418 2007-05-01 Jan Hubicka <jh@suse.cz>
7420 * tree.h (maybe_fold_offset_to_component_ref): Remove.
7421 (maybe_fold_offset_to_reference): Declare.
7422 * fold-const.c (fold_unary): Do not fold
7423 (type *)&A into &A->field_of_type_and_offset_0
7424 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): When base type
7425 size is unknown, give up.
7426 (maybe_fold_offset_to_component_ref): Ignore firelds with unknown
7428 (maybe_fold_offset_to_reference): New.
7429 (maybe_fold_stmt_indirect): Use it.
7430 (fold_stmt_r): Fold (type *)&A+offset into A->field_if_type_and_offset.
7431 * gimplify.c (gimplify_conversion): Canonicalize conversions to
7433 (gimplify_expr): Likewise for plus_expr.
7435 2007-05-01 Zdenek Dvorak <dvorakz@suse.cz>
7437 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Use
7438 bsi_after_labels. Always insert statements before bsi.
7439 * tree-vect-transform.c (vect_create_epilog_for_reduction): Ditto.
7440 * predict.c (apply_return_prediction): Check for empty blocks.
7441 * cfgexpand.c (lab_rtx_for_bb): New variable.
7442 (label_rtx_for_bb): Do not create new tree labels.
7443 (expand_gimple_basic_block): Add labels recorded in lab_rtx_for_bb.
7444 (tree_expand_cfg): Initialize lab_rtx_for_bb.
7445 * tree-cfg.c (build_tree_cfg): Call cleanup_dead_labels after
7447 (label_for_bb): Add field used.
7448 (update_eh_label, main_block_label): Mark the label used.
7449 (cleanup_dead_labels): Remove unused labels.
7451 2007-05-01 Richard Guenther <rguenther@suse.de>
7453 * tree-vrp.c (set_value_range): Do not allocate equiv bitmap
7454 if it is not about to be set.
7455 (get_value_range): Do not pre-allocate equiv bitmap.
7456 (update_value_range): No need to clear equiv field.
7457 (add_equivalence): Change prototype to get bitmap pointer.
7458 Allocate bitmap here if it is not already.
7459 (extract_range_from_assert): Do not allocate bitmap here.
7460 Update callers to add_equivalence.
7461 (extract_range_from_ssa_name): Likewise.
7462 (get_vr_for_comparison): New static helper.
7463 (compare_name_with_value): Handle NULL equiv bitmap by
7464 peeling the first iteration of the comparison loop.
7465 Use get_vr_for_comparison.
7466 (compare_names): Handle NULL equiv bitmaps by using fake
7467 ones. Use get_vr_for_comparison.
7469 2007-04-30 Brooks Moses <brooks.moses@codesourcery.com>
7471 * double-int.c (mpz_set_double_int): Moved from
7472 tree-ssa-loop-niter.c.
7473 (mpz_get_double_int): Likewise; also, add option to wrap
7474 out-of-range integers.
7475 * double-int.h: New prototypes for above.
7476 * tree.c (get_static_type_bounds): Moved from
7477 tree-ssa-loop-niter.c; now returns TYPE_MIN_VALUE and
7478 TYPE_MAX_VALUE if they exist..
7479 * tree.h: New prototype for above.
7480 * tree-ssa-loop-niter.c: Adjust mpz_to_double_int and
7481 get_type_bounds calls.
7482 (mpz_set_double_int): Move to double-int.c.
7483 (get_type_bounds): Move to tree.c, rename to
7484 get_static_type_bounds.
7485 (mpz_to_double_int): Move to double-int.c, rename to
7488 2007-04-30 Bob Wilson <bob.wilson@acm.org>
7490 * config/xtensa/lib1funcs.asm (__umodsi3, __modsi3): Rearrange so that
7491 DIV0 exception can fall through to a normal return.
7493 2007-04-30 Alexandre Oliva <aoliva@redhat.com>
7497 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
7498 * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
7499 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
7500 * tree-sra.c (try_instantiate_multiple_fields): Needlessly
7501 initialize align to silence bogus warning.
7502 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
7503 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
7505 (struct sra_walk_fns): Remove use_all parameter from use.
7506 (sra_hash_tree): Handle BIT_FIELD_REFs.
7507 (sra_elt_hash): Don't hash bitfld blocks.
7508 (sra_elt_eq): Skip them in parent compares as well. Handle
7510 (sra_walk_expr): Don't maintain or pass down use_all_p.
7511 (scan_use): Remove use_all parameter.
7512 (scalarize_use): Likewise. Re-expand assignment to
7513 BIT_FIELD_REF of gimple_reg. De-scalarize before input or
7514 output, and re-scalarize after output. Don't mark anything
7516 (scalarize_ldst): Adjust.
7517 (scalarize_walk_gimple_modify_statement): Likewise.
7518 (build_element_name_1): Handle BIT_FIELD_REFs.
7519 (instantiate_element): Don't warn for any element whose parent
7521 (instantiate_missing_elements_1): Return the sra_elt.
7522 (canon_type_for_field): New.
7523 (try_instantiate_multiple_fields): New.
7524 (instantiate_missing_elemnts): Use them.
7525 (mark_no_warning): Removed.
7526 (generate_one_element_ref): Handle BIT_FIELD_REFs.
7527 (REPLDUP, sra_build_elt_assignment): New.
7528 (generate_copy_inout): Use them.
7529 (generate_element_copy): Likewise. Handle bitfld differences.
7530 (generate_element_zero): Don't recurse for blocks. Use
7531 sra_build_elt_assignment.
7532 (generate_one_element_int): Take elt instead of var. Use
7533 sra_build_elt_assignment.
7534 (generate_element_init_1): Adjust.
7535 (scalarize_use, scalarize_copy): Use REPLDUP.
7536 (scalarize_ldst): Move assert before dereference.
7537 (dump_sra_elt_name): Handle BIT_FIELD_REFs.
7539 2007-04-30 Andrew Pinski <andrew_pinski@playstation.sony.com>
7542 * tree.c (reconstruct_complex_type): Reconstruct a reference
7544 Also use the same mode for the pointer as the old pointer type.
7546 2007-04-30 Francois-Xavier Coudert <coudert@clipper.ens.fr>
7548 * doc/trouble.texi (Interoperation): Remove note about Ultrix
7551 2007-04-29 Zdenek Dvorak <dvorakz@suse.cz>
7553 PR rtl-optimization/31676
7554 * df-scan.c (record_nonlocal_goto_receiver_defs): New function.
7555 (df_refs_record): Call it.
7557 2007-04-29 Bernd Schmidt <bernd.schmidt@analog.com>
7559 * rtl.def (SS_ABS): New code.
7560 * config/bfin/bfin.c (print_operand): New modifier 'v'.
7561 (enum bfin_builtins): Add BFIN_BUILTIN_SUM_2X16, BFIN_BUILTIN_ABS_1x32,
7562 BFIN_BUILTIN_ROUND_1x32, BFIN_BUILTIN_MULT_1x32x32,
7563 BFIN_BUILTIN_MULT_1x32x32NS, BFIN_BUILTIN_SSASHIFT_1x32.
7564 (bfin_init_builtins): Define them.
7565 (bdesc_1arg, bdesc_2arg): Add some of them here, ...
7566 (bfin_expand_builtin): ... and handle the others here.
7567 * config/bfin/bfin.md (ssabssi2, ssroundsi2, ssashiftsi3,
7568 flag_mul_macv2hi_parts_acconly_andcc0): New patterns.
7569 (ss_absv2hi2): Renamed from absv2hi; use ss_abs code.
7570 (ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3): Shift count
7571 operand is only HImode.
7573 2007-04-29 Steven Bosscher <steven@gcc.gnu.org>
7575 * regclass.c (scan_one_insn): Remove splitting of
7578 2007-04-28 Sandra Loosemore <sandra@codesourcery.com>
7579 Nigel Stephens <nigel@mips.com>
7581 * config/mips/mips.h (SLOW_BYTE_ACCESS): Turn off for MIPS16.
7583 2007-04-28 Jan Hubicka <jh@suse.cz>
7585 * config/alpha/alpha.c (alpha_output_mi_thunk_osf): Use
7586 insn_locators_alloc instead of insn_locators_initialize;
7587 call reset_block_changes.
7588 * config/sparc/sparc.c (sparc_output_mi_thunk): Likewise.
7589 * config/sh/sh.c (sparc_output_mi_thunk): Likewise.
7590 * config/is64/ia64.c (ia64_output_mi_thunk): Likewise.
7591 * config/rs6000/rs6000.c (rs6000_output_mi_thunk): Likewise.
7592 * config/score/score.c (th_output_mi_thunk): Likewise.
7593 * config/mips/mips.c (mips_output_mi_thunk): Likewise.
7594 * cfglyaout.c (set_curr_insn_source_location, set_curr_insn_block):
7595 tolerate uninitialized locator info.
7598 * function.c (init_function_start): Don't init line number info.
7599 (expand_function_end): Update.
7600 (reset_block_changes, record_block_change, finalize_block_changes,
7601 check_block_change, free_block_changes): Kill.
7602 * function.h (reset_block_changes, record_block_change,
7603 finalize_block_changes, check_block_change, free_block_changes):
7605 (struct function): Remove ib_boundaries_block.
7606 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
7607 Use curr_insn_locator to initialize locator.
7608 (emit_line_note): Remove.
7609 * cfgexpand.c (expand_gimple_cond_expr): Update.
7610 (construct_exit_block): Likewise.
7611 (tree_expand_cfg): Initialize/finalize locators.
7612 * expr.c (expand_expr_real): Update.
7613 * cfglayout.c (line_locators_locs, line_locators_lines,
7614 file_locators_locs, file_locators_files): Remove.
7615 (set_block_levels): Move to cfgexpand.c.
7616 (insn_locators_initialize): Remove.
7617 (pass_insn_locators_initialize): Remove.
7618 (locations_locators_locs, locations_locators_vals): New static vars.
7619 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
7621 (insn_locators_alloc, insn_locators_finalize,
7622 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
7624 (locator_location): New.
7625 (locator_line, locator_file): Rewrite.
7626 * rtl.h (emit_line_note): Kill.
7627 (insn_locators_alloc, insn_locators_finalize,
7628 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
7630 * tree-inline.c (initialize_cfun): Do not initialize
7631 ib_boundaries_block.
7632 * passes.c (pass_insn_locators_initialize): Remove.
7634 2007-04-28 Zdenek Dvorak <dvorakz@suse.cz>
7636 * tree-cfg.c (move_block_to_fn): Release bb from dominance
7637 info. Update last_basic_block correctly.
7639 2007-04-27 Kaz Kojima <kkojima@gcc.gnu.org>
7642 * config/sh/sh.c (output_stack_adjust): Avoid using the frame
7643 register itself to hold the offset constant. Tell flow the use
7644 of r4 and r5 when they are used.
7646 2007-04-27 Richard Guenther <rguenther@suse.de>
7648 * tree-ssa-forwprop.c (forward_propagate_into_cond): Keep track
7649 if we simplified anything.
7650 (tree_ssa_forward_propagate_single_use_vars): Defer overflow
7651 warnings until we did a simplification and the stmt was not
7652 marked as TREE_NO_WARNING.
7654 2007-04-27 Mike Stump <mrs@apple.com>
7656 * config/rs6000/darwin.h (ALWAYS_PUSH_CONSTS_USING_REGS_P): Remove.
7658 2007-04-27 Ian Lance Taylor <iant@google.com>
7661 * tree.c (build_distinct_type_copy): If TYPE_MIN_VALUE or
7662 TYPE_MAX_VALUE exist, convert them to the new type.
7664 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
7666 * tree-cfgcleanup.c (cleanup_tree_cfg): Verify dominance info
7667 if it claims to be available.
7668 * tree-ssa-dce.c (remove_dead_stmt): Mark cfg as altered when
7670 (perform_tree_ssa_dce): Always free postdominators.
7672 2007-04-27 Richard Henderson <rth@redhat.com>
7674 * config/alpha/predicates.md (aligned_memory_operand): Mark
7675 as define_special_predicate.
7676 (unaligned_memory_operand, normal_memory_operand): Likewise.
7677 (reg_or_unaligned_mem_operand): Remove.
7678 (any_memory_operand): Match the documentation and check for
7679 non-renumbered pseudos during reload.
7680 * config/alpha/alpha.c (alpha_secondary_reload): Rename from
7681 alpha_secondary_reload_class, update to new interface, make static.
7682 Handle CQImode like HImode. Remove FP subreg check.
7683 (alpha_expand_mov): Use replace_equiv_address.
7684 (alpha_expand_mov_nobwx): Use any_memory_operand.
7685 (TARGET_SECONDARY_RELOAD): New.
7686 * config/alpha/alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Remove.
7687 (SECONDARY_OUTPUT_RELOAD_CLASS): Remove.
7688 * config/alpha/sync.md (I12MODE, I48MODE, modesuffix): Move ...
7689 * config/alpha/alpha.md: ... here.
7690 (RELOAD12, reloadmode): New.
7692 (reload_in<RELOAD12>): Macro-ize from reload_inqi, reload_inhi.
7693 Don't handle the aligned case here.
7694 (reload_out<RELOAD12>): Macro-ize from reload_outqi, reload_outhi.
7695 (reload_in<I12MODE>_aligned): Macro-ize from reload_inqi_help,
7696 reload_inhi_help. Don't expect a scratch register.
7697 (reload_out<I12MODE>_aligned): Macro-ize from reload_outqi_help,
7699 * config/alpha/alpha-protos.h (alpha_secondary_reload_class): Remove.
7701 2007-04-27 Richard Guenther <rguenther@suse.de>
7703 * tree-ssa-forwprop.c (get_prop_dest_stmt): Fix comment typo.
7705 2007-04-27 Richard Guenther <rguenther@suse.de>
7707 PR tree-optimization/30965
7708 PR tree-optimization/30978
7709 * Makefile.in (tree-ssa-forwprop.o): Depend on $(FLAGS_H).
7710 * tree-ssa-forwprop.c (forward_propagate_into_cond_1): Remove.
7711 (find_equivalent_equality_comparison): Likewise.
7712 (simplify_cond): Likewise.
7713 (get_prop_source_stmt): New helper.
7714 (get_prop_dest_stmt): Likewise.
7715 (can_propagate_from): Likewise.
7716 (remove_prop_source_from_use): Likewise.
7717 (combine_cond_expr_cond): Likewise.
7718 (forward_propagate_comparison): New function.
7719 (forward_propagate_into_cond): Rewrite to use fold for
7721 (tree_ssa_forward_propagate_single_use_vars): Call
7722 forward_propagate_comparison to propagate comparisons.
7724 2007-04-27 Richard Guenther <rguenther@suse.de>
7726 PR tree-optimization/31715
7727 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make
7728 sure to do computation on the offset in an appropriate
7731 2007-04-27 Richard Sandiford <richard@codesourcery.com>
7733 * reload.h (elimination_target_reg_p): Declare.
7734 * reload.c (find_reloads): Don't apply the reg_rtx move
7735 optimization if the SET_DEST satisfies elimination_target_reg_p.
7736 * reload1.c (elimination_target_reg_p): New function.
7737 (gen_reload): In the move/add2 fallback, make sure that op0
7738 does not overlap the destination register.
7740 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
7742 * tree-ssa-loop-im.c (determine_invariantness_stmt): Attempt to
7743 transform only GIMPLE_MODIFY_STMTs.
7744 * tree-complex.c (expand_complex_operations_1): Ditto.
7745 (expand_complex_div_wide): Do not create gotos in COND_EXPR branches.
7746 * tree-ssa-loop-manip.c (build_if_stmt): Removed.
7747 (tree_transform_and_unroll_loop): Do not create gotos in COND_EXPR
7749 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
7750 tree_mod_subtract, tree_ic, tree_stringop_fixed_value): Ditto.
7751 * omp-low.c (expand_parallel_call, expand_omp_for_generic,
7752 expand_omp_for_static_chunk, expand_omp_for_static_nochunk): Ditto.
7753 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes,
7754 slpeel_add_loop_guard): Ditto.
7755 * tree-mudflap.c (mf_build_check_statement_for): Ditto.
7756 * lambda-code.c (perfect_nestify): Ditto.
7757 * tree-iterator.c (tsi_split_statement_list_before): Fix splitting
7758 before the first statement.
7759 * tree-optimize.c (execute_free_datastructures): Fix comments.
7760 (execute_free_cfg_annotations): Do not call disband_implicit_edges.
7761 * tree-flow.h (disband_implicit_edges): Declaration removed.
7762 * tree-cfg.c (make_cond_expr_edges): Remove gotos from COND_EXPR
7764 (cleanup_dead_labels, tree_redirect_edge_and_branch): Handle
7765 COND_EXPRs without gotos.
7766 (disband_implicit_edges, has_label_p): Removed.
7767 (tree_verify_flow_info): Verify that COND_EXPR branches are empty.
7768 (tree_lv_add_condition_to_bb): Do not create gotos in COND_EXPR
7770 * tree.c (build3_stat): Mark COND_EXPRs used as statements as having
7772 * tree-pretty-print.c (dump_implicit_edges): Dump implicit edges
7773 also for COND_EXPRs.
7774 * cfgexpand.c (label_rtx_for_bb): New function.
7775 (expand_gimple_cond_expr): Do not expect gotos in COND_EXPR branches.
7776 Use label_rtx_for_bb to find the labels.
7777 (expand_gimple_basic_block): Remove RETURN_EXPR at the end of the
7778 last block. Detect fallthru edges.
7780 2007-04-26 Ian Lance Taylor <iant@google.com>
7783 * reload.c (find_reloads_subreg_address): If the address was valid
7784 in the original mode but not in the new mode, reload the whole
7787 2007-04-27 Zdenek Dvorak <dvorakz@suse.cz>
7789 * tree-cfgcleanup.c (cfgcleanup_altered_bbs): New global variable.
7790 (remove_fallthru_edge): Use remove_edge_and_dominated_blocks.
7791 (cleanup_control_expr_graph): Do not invalidate dominance info.
7792 Record altered blocks.
7793 (cleanup_control_flow, cleanup_forwarder_blocks): Removed.
7794 (cleanup_control_flow_bb, split_bbs_on_noreturn_calls,
7795 cleanup_tree_cfg_bb): New functions.
7796 (remove_forwarder_block): Do not maintain the worklist of blocks.
7797 Record altered blocks.
7798 (cleanup_tree_cfg_1): Iterate over cfgcleanup_altered_bbs,
7800 (cleanup_tree_cfg): Do not iterate cleanup_tree_cfg_1. Only call
7801 delete_unreachable_blocks if dominators are not available.
7802 * tree-inline.c (optimize_inline_calls): Free dominance information
7804 * tree-flow.h (remove_edge_and_dominated_blocks,
7805 cfgcleanup_altered_bbs): Altered.
7806 * tree-cfg.c (replace_uses_by, tree_merge_blocks): Record altered
7808 (get_all_dominated_blocks, remove_edge_and_dominated_blocks): New
7810 (tree_purge_dead_eh_edges): Use remove_edge_and_dominated_blocks,
7811 do not invalidate dominators.
7813 2007-04-26 Anatoly Sokolov <aesok@post.ru>
7815 * config/avr/avr.c (avr_mcu_types): Add support for ATmega8HVA and
7816 ATmega16HVA devices. Move AT90USB82 device to 'avr5' architecture.
7817 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
7818 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
7820 2007-04-26 Steve Ellcey <sje@cup.hp.com>
7822 * config/ia64/ia64.md (ip_value): Fix itanium_class attribute.
7824 2007-04-26 Richard Guenther <rguenther@suse.de>
7826 PR tree-optimization/31703
7827 * tree-ssa-loop-im.c (rewrite_bittest): Make sure to use
7828 the right type for the target of the bittest.
7830 2007-04-26 Richard Sandiford <richard@codesourcery.com>
7832 * config/i386/vx-common.h (RETURN_IN_MEMORY): Use
7833 ix86_sol10_return_in_memory.
7835 2007-04-26 Richard Sandiford <richard@codesourcery.com>
7837 * config/i386/i386.c (ix86_sol10_return_in_memory): Remove unused
7840 2007-04-26 Jakub Jelinek <jakub@redhat.com>
7843 * tree-inline.c (copy_body_r): Don't touch TREE_TYPE of OMP_CLAUSE.
7845 PR tree-optimization/30558
7846 * tree-eh.c (lower_eh_filter): If EH_FILTER_MUST_NOT_THROW
7847 clear this_state.prev_try.
7849 2007-04-26 Richard Sandiford <richard@codesourcery.com>
7850 Mark Mitchell <mark@codesourcery.com>
7852 * config/i386/i386-protos.h (ix86_sol10_return_in_memory): Declare.
7853 * config/i386/i386.c (ix86_sol10_return_in_memory): New function.
7854 * config/i386/sol2-10.h (RETURN_IN_MEMORY): Use it.
7856 2007-04-26 Richard Sandiford <richard@codesourcery.com>
7859 * doc/invoke.texi (%:print-asm-header): Document.
7860 * gcc.c (asm_options): Use %:print-asm-header() for --target-help
7862 (static_spec_functions): Add print-asm-header.
7863 (main): Print a banner before the --target-help linker options.
7864 (print_asm_header_spec_function): New function.
7866 2007-04-25 Kaz Kojima <kkojima@gcc.gnu.org>
7869 * config/sh/sh.md (movsi_ie): Fix length for TARGET_SH2A.
7870 (movsf_ie): Likewise.
7872 2007-04-25 Paolo Carlini <pcarlini@suse.de>
7874 * doc/extend.texi ([Type Traits]): Adjust per N2255.
7876 2007-04-25 Bob Wilson <bob.wilson@acm.org>
7878 * config/xtensa/lib1funcs.asm (__udivsi3, __divsi3): Throw an
7879 exception for divide-by-zero.
7880 (__umodsi3, __modsi3): Likewise.
7882 2007-04-25 Dirk Mueller <dmueller@suse.de>
7884 * c-typeck.c (build_compound_expr): Annotate warning()
7885 call with OPT_Wunused_value.
7886 * tree-ssa.c (warn_uninit): Annotate warning with
7888 * c-common.c (handle_sentinel_attribute): Annotate warning
7889 call with OPT_Wattributes.
7891 2007-04-25 Thiemo Seufer <ths@mips.com>
7893 * config/mips/mips.opt (mdmx, mmt, mno-mdmx): New options.
7895 * config/mips/mips.h (ASM_SPEC): Pass -mmt/-mno-mt and -mdmx/-mno-mdmx
7896 on to the assembler. Improve handling of -mno-mips16. Add handling
7897 of -mno-mips3d, -mno-dsp, -mno-dspr2.
7898 * doc/invoke.texi (MIPS Options): Whitespace cleanup. Fix wrong use
7899 of @itemx. Document -mno-dsp, -mno-dspr2, -mno-paired-single, -mdmx,
7900 -mno-mdmx, -mno-mips3d, -mmt and -mno-mt.
7902 2007-04-25 Danny Smith <dannysmith.users.sourceforge.net>
7905 * config/i386/winnt.c (i386_pe_file_end): Strip only
7906 USER_LABEL_PREFIX when writing export name.
7908 2007-04-25 Richard Sandiford <richard@codesourcery.com>
7910 * config.gcc (sh-wrs-vxworks): Don't include dbxelf.h. Include
7911 sh/elf.h, vx-common.h and vxworks.h.
7912 * config/sh/sh.h: Include config/vxworks-dummy.h.
7913 (SUBTARGET_OVERRIDE_OPTIONS): Define.
7914 (OVERRIDE_OPTIONS): Use it.
7915 * config/sh/sh.md (GOTaddr2picreg): Add suport for VxWorks RTPs.
7916 (vxworks_picreg): New pattern.
7917 * config/sh/vxworks.h (TARGET_OS_CPP_BUILTINS): Use
7918 VXWORKS_OS_CPP_BUILTINS.
7919 (LIB_SPEC, LINK_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Redefine
7920 to their VXWORKS_* equivalents.
7921 (SUBTARGET_OVERRIDE_OPTIONS, SUBTARGET_CPP_SPEC): Define.
7922 (SUBTARGET_LINK_EMUL_SUFFIX, FUNCTION_PROFILER): Define.
7923 * config/sh/lib1funcs.asm (NO_FPSCR_VALUES): Define for VxWorks PIC.
7924 (set_fpscr, ic_invalidate): Add VxWorks PIC sequences.
7925 * config/sh/t-vxworks (MULTILIB_OPTIONS): Add m4a, -mrtp and
7926 -mrtp/-fPIC multilibs.
7927 (MULTILIB_EXCEPTIONS): Generalize globs accordingly.
7928 (MULTILIB_MATCHES, EXTRA_MULTILIB_PARTS): Define.
7929 (MULTILIB_OSDIRNAMES): Delete.
7931 2007-04-25 Anatoly Sokolov <aesok@post.ru>
7934 * config/avr/avr.h (ASM_OUTPUT_ALIGN): Redefine.
7936 2007-04-24 Brooks Moses <brooks.moses@codesourcery.com>
7938 * real.c (mpfr_from_real): Handle Inf and NaN, and allow the
7939 rounding mode to be specified by the caller.
7940 (real_to_mpfr) Likewise.
7941 * real.h: Update mpfr_from_real, mpfr_to_real prototypes to
7942 include new arguments.
7943 * builtins.c: Update mpfr_from_real, mpfr_to_real calls.
7945 2007-04-24 Ian Lance Taylor <iant@google.com>
7947 PR tree-optimization/31605
7948 * tree-vrp.c (set_value_range): Check that min and max are not
7949 both overflow infinities.
7950 (set_value_range_to_value): New static function.
7951 (extract_range_from_binary_expr): Call set_value_range_to_value.
7952 (extract_range_from_cond_expr): Likewise.
7953 (extract_range_from_expr): Likewise.
7954 (extract_range_from_unary_expr): Likewise. Don't create a range
7955 which overflows on both sides.
7956 (vrp_meet): Check for a useless range.
7957 (vrp_visit_phi_node): If we see a constant which looks like an
7958 overflow infinity, turn off the TREE_OVERFLOW flag.
7960 2007-04-24 Ian Lance Taylor <iant@google.com>
7962 * flow.c (elim_reg_cond): Handle a comparison of a subreg.
7964 2007-04-24 Simon Martin <simartin@users.sourceforge.net>
7967 * tree-pass.h (TDF_DIAGNOSTIC): New dump control to specify that a
7968 diagnostic message is being built.
7969 * tree-pretty-print.c (dump_generic_node): Only write the
7970 formatted text into BUFFER's stream if we are not building a
7972 * toplev.c (default_tree_printer): Pass TDF_DIAGNOSTIC to
7974 * Makefile.in (toplev.o): Depend on tree-pass.h.
7976 2007-04-24 Ian Lance Taylor <iant@google.com>
7978 PR tree-optimization/31602
7979 * tree-ssa-loop-ch.c (copy_loop_headers): Set TREE_NO_WARNING for
7980 conditionals in the copied loop header.
7981 * tree-cfg.c (fold_cond_expr_cond): Don't issue undefined overflow
7982 warnings if TREE_NO_WARNING is set.
7983 * doc/invoke.texi (Warning Options): Clarify that
7984 -Wstrict-overflow does not warn about loops.
7986 2007-04-24 Janis Johnson <janis187@us.ibm.com>
7988 * config/rs6000/rs6000.c (function_arg_advance): For 32-bit ELF ABI,
7989 expand on the comment about _Decimal128 arguments and check the
7990 integer result of the modulus operation; for 64-bit ELF ABI, ensure
7991 that _Decimal128 argument uses even/odd register pair.
7992 (function_arg): Ditto.
7994 2007-04-24 Hui-May Chang <hm.chang@apple.com>
7996 * reload1.c (merge_assigned_reloads) : Do not merge a RELOAD_OTHER
7997 instruction with a RELOAD_FOR_OPERAND_ADDRESS instruction.
7999 2007-04-24 Richard Guenther <rguenther@suse.de>
8000 Olga Golovanevsky <olga@il.ibm.com>
8002 * fold-const.c (multiple_of_p): Check for bottom
8005 2007-04-24 Richard Henderson <rth@redhat.com>
8007 * libgcc2.h (AVOID_FP_TYPE_CONVERSION): Rename from
8008 IS_IBM_EXTENDED. Also define in terms of WIDEST_HARDWARE_FP_SIZE.
8009 * libgcc2.c (__floatdisf): Avoid double-word arithmetic when
8010 looking for non-zero bits shifted out. Avoid a recursive call
8011 when constructing the scalar.
8012 (__floatundisf): Likewise.
8014 2007-04-24 Nathan Froyd <froydnj@codesourcery.com>
8016 * dwarf2out.c (field_byte_offset): Move the existing logic
8017 under the control of PCC_BITFIELD_TYPE_MATTERS and just use
8018 the bit offset of the field if !PCC_BITFIELD_TYPE_MATTERS.
8020 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
8023 * config/s390/s390.c (s390_expand_setmem): Don't ICE for constant
8024 length argument of 0 for memset.
8025 (s390_expand_movmem, s390_expand_setmem, s390_expand_cmpmem): Use
8026 unsigned shift instead of the signed variant.
8028 2007-04-24 Andreas Krebbel <krebbel1@de.ibm.com>
8030 * config/s390/s390.md ("*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs_ibm",
8031 "fix_trunc<BFP:mode><GPR:mode>2_ieee", "fix_truncdfsi2_ibm",
8032 "floatsidf2_ibm", "floatsisf2", "truncdfsf2_ieee", "truncdfsf2_ibm",
8033 "*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
8034 "*trunctfsf2_ibm", "extendsfdf2_ieee", "extendsfdf2_ibm",
8035 "*extenddftf2_ieee", "*extenddftf2_ibm", "*extendsftf2_ieee",
8036 "*extendsftf2_ibm", "*add<mode>3", "*add<mode>3_ibm", "*sub<mode>3_ibm",
8037 "*mul<mode>3", "*mul<mode>3_ibm", "*div<mode>3", "*div<mode>3_ibm",
8038 "*neg<mode>2_ibm", "*abs<mode>2_ibm"): Insn definitions removed.
8039 ("fix_trunc<BFP:mode><GPR:mode>2_bfp", "floatsi<mode>2",
8040 "truncdfsf2", "trunctf<mode>2", "add<mode>3", "sub<mode>3",
8041 "mul<mode>3", "div<mode>3"): Insn definitions added.
8042 ("fixuns_trunc<BFP:mode><GPR:mode>2", "fix_trunc<mode>di2",
8043 "fix_trunc<mode>si2"): gen_fix_trunc<BFP:mode><GPR:mode>2_ieee renamed
8044 to gen_fix_trunc<BFP:mode><GPR:mode>2_bfp.
8045 ("fix_truncdfsi2", "floatsitf2", "truncdfsf2", "trunctfdf2",
8046 "trunctfsf2", "extendsfdf2", "extenddftf2", "extendsftf2", "add<mode>3",
8047 "sub<mode>3", "mul<mode>3", "div<mode>3"): Expander removed.
8048 ("fix_trunc<mode>si2", "extend<DSF:mode><BFP:mode>2"): Expander added.
8049 * config/s390/s390.h (TARGET_IBM_FLOAT, TARGET_IEEE_FLOAT,
8050 TARGET_FLOAT_FORMAT): Macro definitions removed.
8051 (FP_REGNO_P): No special case for !TARGET_IEEE_FLOAT anymore.
8052 * config/s390/s390.c (struct processor_costs, z900_cost, z990_cost,
8053 z9_109_cost): Remove fields for hexfloat instructions: dxr, ddr and der.
8054 (s390_rtx_costs): Remove !TARGET_IEEE_FLOAT special branches.
8055 (s390_gen_rtx_const_DI): Function removed.
8056 * config/s390/s390-protos.h (s390_gen_rtx_const_DI): Prototype removed.
8058 2007-04-24 Richard Sandiford <richard@codesourcery.com>
8060 * optabs.c (set_conv_libfunc): Prefer libgcc2's __ffsMM2 functions
8061 over an external ffs function.
8063 2007-04-24 Chao-ying Fu <fu@mips.com>
8064 Richard Sandiford <richard@nildram.co.uk>
8066 * doc/md.texi (madd@var{m}@var{n}4, umadd@var{m}@var{n}4): Document.
8067 * optabs.h (OTI_smadd_widen, OTI_umadd_widen): New optab_indexes.
8068 (smadd_widen_optab, umadd_widen_optab): Define.
8069 * optabs.c (init_optabs): Initialize smadd_widen_optab and
8071 * genopinit.c (optabs): Fill in smadd_widen_optab and
8073 * expr.c (expand_expr_real_1): Try to use smadd_widen_optab
8074 and umadd_widen_optab to implement multiply-add sequences.
8075 * config/mips/mips.md (*<su>mul_acc_di): Rename to...
8076 (<u>maddsidi4): ...this. Extend condition to include
8077 GENERATE_MADD_MSUB and TARGET_DSPR2. Change the constraint
8078 of operand 0 to "ka" and use the three-operand form of madd<u>
8080 * config/mips/mips-dspr2.md (mips_madd, mips_maddu): Convert
8082 * config/mips/constraints.md (ka): New register constraint.
8084 2007-04-24 Jan Hubicka <j@suse.cz>
8088 2007-04-23 Jan Hubicka <jh@suse.cz>
8089 * function.c (init_function_start): Don't init line number info.
8090 (expand_function_end): Update.
8091 (reset_block_changes, record_block_change, finalize_block_changes,
8092 check_block_change, free_block_changes): Kill.
8093 * function.h (reset_block_changes, record_block_change,
8094 finalize_block_changes, check_block_change, free_block_changes):
8096 (struct function): Remove ib_boundaries_block.
8097 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
8098 Use curr_insn_locator to initialize locator.
8099 (emit_line_note): Remove.
8100 * cfgexpand.c (expand_gimple_cond_expr): Update.
8101 (construct_exit_block): Likewise.
8102 (tree_expand_cfg): Initialize/finalize locators.
8103 * expr.c (expand_expr_real): Update.
8104 * cfglayout.c (line_locators_locs, line_locators_lines,
8105 file_locators_locs, file_locators_files): Remove.
8106 (set_block_levels): Move to cfgexpand.c.
8107 (insn_locators_initialize): Remove.
8108 (pass_insn_locators_initialize): Remove.
8109 (locations_locators_locs, locations_locators_vals): New static vars.
8110 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
8112 (insn_locators_alloc, insn_locators_finalize,
8113 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
8115 (locator_location): New.
8116 (locator_line, locator_file): Rewrite.
8117 * rtl.h (emit_line_note): Kill.
8118 (insn_locators_alloc, insn_locators_finalize,
8119 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
8121 * tree-inline.c (initialize_cfun): Do not initialize
8122 ib_boundaries_block.
8123 * passes.c (pass_insn_locators_initialize): Remove.
8125 2007-04-24 Daniel Franke <franke.daniel@gmail.com>
8127 * doc/invoke.texi: Removed leading '-' from option index entries.
8129 2007-04-23 Zdenek Dvorak <dvorakz@suse.cz>
8131 * tree-phinodes.c (reserve_phi_args_for_new_edge, remove_phi_node):
8133 (create_phi_node): Use set_phi_nodes.
8134 * omp-low.c (expand_omp_parallel): Use bb_stmt_list.
8135 * tree-if-conv.c (process_phi_nodes): Use set_phi_nodes.
8136 (combine_blocks): Use bb_stmt_list and set_bb_stmt_list.
8137 * tree-flow-inline.h (phi_nodes, set_phi_nodes,
8138 (bsi_start, bsi_last): Use bb_stmt_list.
8139 (phi_nodes_ptr, bb_stmt_list, set_bb_stmt_list): New functions.
8140 * cfgexpand.c (expand_gimple_basic_block): Use bb_stmt_list.
8141 Traverse the statements using tsi iterator.
8142 * basic-block.h (struct basic_block_def): Fields stmt_list
8143 and phi_nodes moved to ...
8144 (struct tree_bb_info): ... new structure.
8145 * tree-cfg.c (create_bb): Allocate il.tree. Use set_bb_stmt_list.
8146 (tree_merge_blocks): Use bb_stmt_list and set_bb_stmt_list.
8147 (remove_bb): Handle blocks with NULL stmt list. Clear il.tree field.
8148 (tree_verify_flow_info): Verify that il.tree is not set for
8149 entry and exit block.
8150 (tree_split_block): Use set_bb_stmt_list.
8152 2007-04-23 Mike Stump <mrs@apple.com>
8154 * config/i386/i386.c (ix86_tune_features
8155 [X86_TUNE_DEEP_BRANCH_PREDICTION]: Prefer call over thunks on
8158 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
8160 * config/i386/i386.md (prefix_extra): New attribute.
8161 (length): Add prefix_extra.
8163 * onfig/i386/sse.md (sse2_movdqu): Set prefix_data16.
8164 (sse2_movntv2di): Likewise.
8165 (sse2_cvtps2dq): Likewise.
8166 (sse2_cvtpd2pi): Likewise.
8167 (sse2_cvttpd2pi): Likewise.
8168 (*sse2_cvtpd2ps): Likewise.
8169 (*add<mode>3): Likewise.
8170 (sse2_ssadd<mode>3): Likewise.
8171 (sse2_usadd<mode>3): Likewise.
8172 (*sub<mode>3): Likewise.
8173 (sse2_sssub<mode>3): Likewise.
8174 (sse2_ussub<mode>3): Likewise.
8175 (*mulv8hi3): Likewise.
8176 (*smulv8hi3_highpart): Likewise.
8177 (*umulv8hi3_highpart): Likewise.
8178 (sse2_umulv2siv2di3): Likewise.
8179 (sse2_pmaddwd): Likewise.
8180 (ashr<mode>3): Likewise.
8181 (lshr<mode>3): Likewise.
8182 (ashl<mode>3): Likewise.
8183 (sse2_ashlti3): Likewise.
8184 (sse2_lshrti3): Likewise.
8185 (*umaxv16qi3): Likewise.
8186 (*smaxv8hi3): Likewise.
8187 (*uminv16qi3): Likewise.
8188 (*sminv8hi3): Likewise.
8189 (sse2_eq<mode>3): Likewise.
8190 (sse2_gt<mode>3): Likewise.
8191 (*and<mode>3): Likewise.
8192 (sse2_nand<mode>3): Likewise.
8193 (*ior<mode>3): Likewise.
8194 (*xor<mode>3): Likewise.
8195 (sse2_packsswb): Likewise.
8196 (sse2_packssdw): Likewise.
8197 (sse2_packuswb): Likewise.
8198 (sse2_punpckhbw): Likewise.
8199 (sse2_punpcklbw): Likewise.
8200 (sse2_punpckhwd): Likewise.
8201 (sse2_punpcklwd): Likewise.
8202 (sse2_punpckhdq): Likewise.
8203 (sse2_punpckldq): Likewise.
8204 (sse2_punpckhqdq): Likewise.
8205 (sse2_punpcklqdq): Likewise.
8206 (*sse2_pinsrw): Likewise.
8207 (*sse2_pextrw): Likewise.
8208 (sse2_pshufd_1): Likewise.
8209 (sse2_uavgv16qi3): Likewise.
8210 (sse2_uavgv8hi3): Likewise.
8211 (sse2_psadbw): Likewise.
8212 (sse2_pmovmskb): Likewise.
8213 (*sse2_maskmovdqu): Likewise.
8214 (*sse2_maskmovdqu_rex64): Likewise.
8215 (sse4a_extrqi): Likewise.
8216 (sse4a_extrq): Likewise.
8217 (sse3_lddqu): Set prefix_rep.
8218 (sse3_addsubv4sf3): Likewise.
8219 (sse3_haddv4sf3): Likewise.
8220 (sse3_hsubv4sf3): Likewise.
8221 (sse_cvtss2si): Likewise.
8222 (sse_cvtss2si_2): Likewise.
8223 (sse_cvtss2siq): Likewise.
8224 (sse_cvtss2siq_2): Likewise.
8225 (sse_cvttss2si): Likewise.
8226 (sse_cvttss2siq): Likewise.
8227 (sse2_cvttps2dq): Likewise.
8228 (sse3_movshdup): Likewise.
8229 (sse3_movsldup): Likewise.
8230 (sse2_cvtsd2si): Likewise.
8231 (sse2_cvtsd2si_2): Likewise.
8232 (sse2_cvtsd2siq): Likewise.
8233 (sse2_cvtsd2siq_2): Likewise.
8234 (sse2_cvttsd2si): Likewise.
8235 (sse2_cvttsd2siq): Likewise.
8236 (*sse2_cvtpd2dq): Likewise.
8237 (*sse2_cvttpd2dq): Likewise.
8238 (sse2_pshuflw_1): Likewise.
8239 (sse2_pshufhw_1): Likewise.
8240 (sse4a_insertqi): Likewise.
8241 (sse4a_insertq): Likewise.
8242 (ssse3_phaddwv8hi3): Set prefix_data16 and prefix_extra.
8243 (ssse3_phadddv4si3): Likewise.
8244 (ssse3_phaddswv8hi3): Likewise.
8245 (ssse3_phsubwv8hi3): Likewise.
8246 (ssse3_phsubdv4si3): Likewise.
8247 (ssse3_phsubswv8hi3): Likewise.
8248 (ssse3_pmaddubswv8hi3): Likewise.
8249 (ssse3_pmulhrswv8hi3): Likewise.
8250 (ssse3_pshufbv16qi3): Likewise.
8251 (ssse3_psign<mode>3): Likewise.
8252 (ssse3_palignrti): Likewise.
8253 (abs<mode>2): Likewise.
8254 (ssse3_phaddwv4hi3): Set prefix_extra.
8255 (ssse3_phadddv2si3): Likewise.
8256 (ssse3_phaddswv4hi3): Likewise.
8257 (ssse3_phsubwv4hi3): Likewise.
8258 (ssse3_phsubdv2si3): Likewise.
8259 (ssse3_phsubswv4hi3): Likewise.
8260 (ssse3_pmaddubswv4hi3): Likewise.
8261 (ssse3_pmulhrswv4hi3): Likewise.
8262 (ssse3_pshufbv8qi3): Likewise.
8263 (ssse3_psign<mode>3): Likewise.
8264 (ssse3_palignrdi): Likewise.
8265 (abs<mode>2): Likewise.
8266 (sse2_cvtdq2ps): Set mode to V4SF instead of V2DF.
8267 (*vec_dupv2df): Set mode to V2DF instead of V4SF.
8268 (sse2_pmovmskb): Set mode to SI instead of V2DF.
8270 2007-04-23 Nick Clifton <nickc@redhat.com>
8272 * params.def: Fix formatting of emacs local variables.
8274 2007-04-23 H.J. Lu <hongjiu.lu@intel.com>
8276 * config/i386/sse.md (sse2_stored): Don't split to inter-unit
8277 move if inter-unit move isn't allowed.
8278 Don't split moving the first element of V2DI to DI to inter-unit
8279 move if inter-unit move isn't allowed.
8281 2007-04-23 Richard Guenther <rguenther@suse.de>
8283 * tree-ssa-sink.c (execute_sink_code): Calculate CDI_DOMINATORS
8284 and CDI_POST_DOMINATORS separately.
8286 2007-04-23 Nick Clifton <nickc@redhat.com>
8288 * c.opt (Wformat-contains-nul): Add warning attribute.
8290 2007-04-23 Jan Hubicka <jh@suse.cz>
8292 * function.c (init_function_start): Don't init line number info.
8293 (expand_function_end): Update.
8294 (reset_block_changes, record_block_change, finalize_block_changes,
8295 check_block_change, free_block_changes): Kill.
8296 * function.h (reset_block_changes, record_block_change,
8297 finalize_block_changes, check_block_change, free_block_changes):
8299 (struct function): Remove ib_boundaries_block.
8300 * emit-rtl.c (make_insn_raw, make_jump_insn_raw, make_call_insn_raw):
8301 Use curr_insn_locator to initialize locator.
8302 (emit_line_note): Remove.
8303 * cfgexpand.c (expand_gimple_cond_expr): Update.
8304 (construct_exit_block): Likewise.
8305 (tree_expand_cfg): Initialize/finalize locators.
8306 * expr.c (expand_expr_real): Update.
8307 * cfglayout.c (line_locators_locs, line_locators_lines,
8308 file_locators_locs, file_locators_files): Remove.
8309 (set_block_levels): Move to cfgexpand.c.
8310 (insn_locators_initialize): Remove.
8311 (pass_insn_locators_initialize): Remove.
8312 (locations_locators_locs, locations_locators_vals): New static vars.
8313 (curr_location, last_location, curr_block, last_block, curr_rtl_loc):
8315 (insn_locators_alloc, insn_locators_finalize,
8316 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
8318 (locator_location): New.
8319 (locator_line, locator_file): Rewrite.
8320 * rtl.h (emit_line_note): Kill.
8321 (insn_locators_alloc, insn_locators_finalize,
8322 set_curr_insn_source_location, set_curr_insn_block, curr_insn_locator):
8324 * tree-inline.c (initialize_cfun): Do not initialize
8325 ib_boundaries_block.
8326 * passes.c (pass_insn_locators_initialize): Remove.
8328 2007-04-22 Andrew Pinski <andrew_pinski@playstation.sony.com>
8331 * expr.c (reduce_to_bit_field_precision): Handle
8334 2007-04-22 Uros Bizjak <ubizjak@gmail.com>
8336 PR tree-optimization/24659
8337 * optabs.h (enum optab_index) [OTI_vec_unpacks_hi,
8338 OTI_vec_unpacks_lo]: Update comment to mention floating point operands.
8339 (vec_pack_trunc_optab): Rename from vec_pack_mod_optab.
8340 * genopinit.c (optabs): Rename vec_pack_mod_optab
8341 to vec_pack_trunc_optab.
8342 * tree-vect-transform.c (vectorizable_type_demotion): Do not fail
8343 early for scalar floating point operands for NOP_EXPR.
8344 (vectorizable_type_promotion): Ditto.
8345 * optabs.c (optab_for_tree_code) [VEC_PACK_TRUNC_EXPR]: Return
8346 vec_pack_trunc_optab.
8347 (expand_binop): Rename vec_float_trunc_optab to vec_pack_mod_optab.
8349 * tree.def (VEC_PACK_TRUNC_EXPR): Rename from VEC_PACK_MOD_EXPR.
8350 * tree-pretty-print.c (dump_generic_node) [VEC_PACK_TRUNC_EXPR]:
8351 Rename from VEC_PACK_MOD_EXPR.
8352 (op_prio) [VEC_PACK_TRUNC_EXPR]: Ditto.
8353 * expr.c (expand_expr_real_1): Ditto.
8354 * tree-inline.c (estimate_num_insns_1): Ditto.
8355 * tree-vect-generic.c (expand_vector_operations_1): Ditto.
8357 * config/i386/sse.md (vec_unpacks_hi_v4sf): New expander.
8358 (vec_unpacks_lo_v4sf): Ditto.
8359 (vec_pack_trunc_v2df): Ditto.
8360 (vec_pack_trunc_v8hi): Rename from vec_pack_mod_v8hi.
8361 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
8362 (vec_pack_trunc_v2di): Rename from vec_pack_mod_v2di.
8364 * config/rs6000/altivec.md (vec_pack_trunc_v8hi): Rename from
8366 (vec_pack_trunc_v4si): Rename from vec_pack_mod_v4si.
8368 * doc/c-tree.texi (Expression trees) [VEC_PACK_TRUNC_EXPR]:
8369 Rename from VEC_PACK_MOD_EXPR. This expression also represent
8370 packing of floating point operands.
8371 [VEC_UNPACK_HI_EXPR, VEC_UNPACK_LO_EXPR]: These expression also
8372 represent unpacking of floating point operands.
8373 * doc/md.texi (Standard Names) [vec_pack_trunc]: Update documentation.
8374 [vec_unpacks_hi]: Ditto.
8375 [vec_unpacks_lo]: Ditto.
8377 2007-04-22 Jan Hubicka <jh@suse.cz>
8379 * final.c (rest_of_handle_final): Call
8380 targetm.asm_out.constructor/targetm.asm_out.destructor
8381 * cgraphunit.c (cgraph_build_static_cdtor): Don't do it here; set
8382 proper priority via decl_*_priority_insert.
8383 * c-common.c (c_expand_body): Likewise.
8385 2007-04-22 Richard Guenther <rguenther@suse.de>
8387 PR tree-optimization/29789
8388 * tree-ssa-loop-im.c (stmt_cost): Adjust cost of shifts.
8389 (rewrite_reciprocal): New helper split out from
8390 determine_invariantness_stmt.
8391 (rewrite_bittest): Likewise.
8392 (determine_invariantness_stmt): Rewrite (A >> B) & 1 to
8393 A & (1 << B) if (1 << B) is loop invariant but (A >> B)
8396 2007-04-22 Revital Eres <eres@il.ibm.com>
8398 * loop-unroll.c (var_to_expand): New field to support also
8399 insns of the form x = something + x.
8400 (analyze_insn_to_expand_var): Use it.
8401 (expand_var_during_unrolling): Likewise.
8403 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
8405 * predict.c: Include pointer-set.h.
8406 (bb_predictions): New variable.
8407 (tree_predicted_by_p, tree_predict_edge,
8408 remove_predictions_associated_with_edge): Use bb_predictions map
8409 instead of bb->predictions.
8410 (clear_bb_predictions, assert_is_empty): New functions.
8411 (combine_predictions_for_bb): Use bb_predictions map. Call
8412 clear_bb_predictions.
8413 (tree_estimate_probability): Create and free bb_predictions map.
8414 * Makefile.in (predict.o): Add pointer-set.h dependency.
8415 * basic-block.h (struct basic_block_def): Remove predictions
8417 * cfgrtl.c (rtl_verify_flow_info_1): Do not check bb->predictions.
8419 2007-04-21 Kaz Kojima <kkojima@gcc.gnu.org>
8422 * config/sh/sh.md (length): Check if prev_nonnote_insn (insn)
8425 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
8427 * timevar.c (timevar_print): Change reference of --disable-checking to
8428 --enable-checking=release. Also warn if assert checking is disabled.
8430 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
8433 * c-gimplifier.c (gimplify_compound_literal_expr): Mark the
8434 decl as addressable if the compound literal was marked as
8436 Mark the decl as a gimple register if it is a complex or
8437 vector decl and does not live in memory.
8439 2007-04-21 Andrew Pinski <andrew_pinski@playstation.sony.com>
8441 * tree.h (GIMPLE_TUPLE_P): Also true for PHI_NODEs.
8442 (GENERIC_NEXT): New function macro.
8443 (PHI_CHAIN): Use phi_node's new chain variable.
8444 (tree_phi_node): Change tree_common to tree_base
8445 and add the chain field.
8446 * tree-phinodes.c (make_phi_node): Don't set
8447 TREE_TYPE on the new node.
8448 * c-decl.c (lang_tree_node): Use GENERIC_NEXT
8449 instead of checking GIMPLE_TUPLE_P in chain_next.
8450 * tree-vect-transform.c
8451 (get_initial_def_for_induction): Look at
8452 PHI_RESULT_TREE for the type of the phi node.
8453 (update_vuses_to_preheader): Use PHI_CHAIN
8454 instead of TREE_CHAIN on the phi node.
8455 * tree-ssa-structalias.c (compute_points_to_sets):
8457 (ipa_pta_execute): Likewise.
8459 2007-04-21 Richard Guenther <rguenther@suse.de>
8462 * fold-const.c (fold_unary): Call fold_convert_const on the
8465 2007-04-21 Alexandre Oliva <aoliva@redhat.com>
8467 * gcse.c (store_killed_in_insn): Handle PARALLELs.
8468 (store_killed_in_pat): New.
8470 2007-04-20 Richard Henderson <rth@redhat.com>
8473 * config/i386/i386.c (type_has_variadic_args_p): Look for any
8474 TREE_LIST with a void_type_node value, not void_list_node exactly.
8476 2007-04-21 Douglas Gregor <doug.gregor@gmail.com>
8478 * doc/standards.texi: Re-arrange into language-specific
8479 subsections. Add a C++ section, documenting which standards we
8482 2007-04-21 Zdenek Dvorak <dvorakz@suse.cz>
8484 * tree-ssa-structalias.c (delete_points_to_sets): Free graph->complex.
8485 * tree-ssa-operands.c (finalize_ssa_vuse_ops): Free new_ops.
8487 2007-04-20 Daniel Jacobowitz <dan@codesourcery.com>
8489 * config/rs6000/sysv4.h (STARTFILE_DEFAULT_SPEC): Include
8490 ecrti.o and crtbegin.o.
8491 (LIB_DEFAULT_SPEC): Include -lc.
8492 (ENDFILE_DEFAULT_SPEC): Include crtend.o and ecrtn.o.
8494 2007-04-20 Richard Henderson <rth@redhat.com>
8497 * config/alpha/alpha.c (get_unaligned_address): Remove extra_offset
8498 argument; update all callers.
8499 (get_unaligned_offset): New.
8500 * config/alpha/alpha.md (extendqidi2, extendhidi2): Don't use
8501 get_unaligned_address, just pass on the address directly.
8502 (unaligned_extendqidi): Use gen_lowpart instead of open-coding
8503 the subreg in the helper patterns.
8504 (unaligned_extendqidi_le): Use get_unaligned_offset.
8505 (unaligned_extendqidi_be, unaligned_extendhidi_le): Likewise.
8506 (unaligned_extendhidi_be): Likewise.
8507 (unaligned_extendhidi): Tidy.
8508 * config/alpha/alpha-protos.h: Update.
8510 2007-04-20 Richard Henderson <rth@redhat.com>
8512 * config/alpha/alpha.h (CPP_SPEC, CPP_SUBTARGET_SPEC): Remove.
8513 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS): Remove.
8514 * config/alpha/linux.h (CPP_SPEC): Undef before redefine.
8515 * config/alpha/linux-elf.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
8516 * config/alpha/freebsd.h (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
8517 (CPP_SPEC): Don't include %(cpp_subtarget).
8518 * config/alpha/netbsd.h (CPP_SPEC): Rename CPP_SUBTARGET_SPEC.
8519 (EXTRA_SPECS): Rename SUBTARGET_EXTRA_SPECS.
8520 * config/alpha/osf.h (CPP_SPEC, EXTRA_SPECS): Similarly.
8522 2007-04-20 Jakub Jelinek <jakub@redhat.com>
8524 * config/i386/i386.c (bdesc_2arg): Use ORDERED rather than UNORDERED
8525 for __builtin_ia32_cmpordss.
8527 PR tree-optimization/31632
8528 * fold-const.c (fold_binary): Use op0 and op1 instead of arg0
8529 and arg1 for optimizations of comparison against min/max values.
8530 Fold arg0 to arg1's type for optimizations of comparison against
8531 min+1 and max-1 values.
8533 2007-04-19 Bernd Schmidt <bernd.schmidt@analog.com>
8535 * reload.c (combine_reloads): When trying to use a dying register,
8536 check whether it's uninitialized and don't use if so.
8538 2007-04-19 Brooks Moses <brooks.moses@codesourcery.com>
8540 * fold-const.c: Remove prototypes for native_encode_expr and
8541 native_interpret_expr.
8542 (native_encode_expr): Make non-static.
8543 (native_interpret_expr): Likewise.
8544 * tree.h: Add prototypes for the above.
8546 2007-04-19 Joseph Myers <joseph@codesourcery.com>
8548 * config/rs6000/spe.md (*frob_tf_ti, *frob_ti_tf, *frob_ti_tf_2,
8549 *mov_si<mode>_e500_subreg0, *mov_si<mode>_e500_subreg0_2,
8550 *mov_sitf_e500_subreg8, *mov_sitf_e500_subreg8_2, spe_extenddftf2,
8551 spe_fix_trunctfsi2_internal, spe_negtf2_internal, cmptfeq_gpr,
8552 tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr, tsttflt_gpr):
8553 Add length attributes.
8555 2007-04-19 Janis Johnson <janis187@us.ibm.com>
8557 * ginclude/float.h: Check that __STDC_WANT_DEC_FP__ is defined,
8560 * c-cppbuiltin.c (c_cpp_builtins): Remove definition of
8561 __STDC_WANT_DEC_FP__.
8563 2007-04-19 Joseph Myers <joseph@codesourcery.com>
8565 * configure.ac: Allow both powerpc*-*-linux* and powerpc*-*-gnu*
8566 for long double compatibility.
8567 * configure: Regenerate.
8569 2007-04-19 Eric Botcazou <ebotcazou@libertysurf.fr>
8571 PR rtl-optimization/29841
8572 * cfgbuild.c (control_flow_insn_p): Return TRUE for unconditional
8574 * sched-deps.c (sched_analyze_insn): Prevent all non-jump instructions
8575 that may cause control flow transfer from being moved.
8577 2007-04-18 Jan Hubicka <jh@suse.cz>
8579 * fold-const.c (div_if_zero_remainder): Do signed divide for pointer
8582 2007-04-18 Eric Christopher <echristo@apple.com>
8584 * config/rs6000/darwin.md (load_macho_picbase): Use link register
8585 only. Update operands.
8586 * config/rs6000/rs6000.c (rs6000_emit_prologue): Update caller.
8587 * config/rs6000/rs6000.md (builtin_setjmp_receiver): Ditto. Move from
8588 link register to pic register.
8590 2007-04-18 Dirk Mueller <dmueller@suse.de>
8593 * tree-vrp.c (search_for_addr_array): New.
8594 (check_array_bounds): Suppress warning about
8595 address taken of array refs if its not de-referenced.
8597 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
8599 * tree-vectorizer.c (destroy_loop_vec_info): Set loop->aux to NULL.
8600 * tree-vect-analyze.c (vect_analyze_loop_form): Set loop->aux.
8602 * tree-vectorizer.h (NITERS_KNOWN_P): New.
8603 * tree-vect-analyze.c (vect_analyze_loop_form): Call NITERS_KNOWN_P
8604 instead of LOOP_VINFO_INT_NITERS to avoid having to geneate loop_info.
8606 * tree-vect-analyze.c (vect_determine_vectorization_factor): Add
8608 (vect_analyze_operations): Fix indenetation. Fix a comment. Fix a
8610 (vect_analyze_scalar_cycles): Fix indentation.
8611 (vect_enhance_data_refs_alignment): Fix check in case of peeling.
8612 (vect_mark_relevant): Include phis in relevance analysis.
8614 * tree-vect-transform.c (vect_transform_loop): Add an assert.
8616 2007-04-18 Anatoly Sokolov <aesok@post.ru>
8618 * config/avr/avr.c (ptrreg_to_str): Replace error() with
8619 output_operand_lossage().
8621 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
8623 * tree-vect-transform.c (get_initial_def_for_reduction): Clean away
8624 the unused code for reduction without adjust-in-epilog to simplify the
8627 2007-04-18 Wolfgang Gellerich <gellerich@de.ibm.com>
8629 * config/s390/s390.h (S390_TDC_POSITIVE_ZERO): New constant.
8630 (S390_TDC_NEGATIVE_ZERO): New constant.
8631 (S390_TDC_POSITIVE_NORMALIZED_NUMBER): New constant.
8632 (S390_TDC_NEGATIVE_NORMALIZED_NUMBER): New constant.
8633 (S390_TDC_POSITIVE_DENORMALIZED_NUMBER): New constant.
8634 (S390_TDC_NEGATIVE_DENORMALIZED_NUMBER): New constant.
8635 (S390_TDC_POSITIVE_INFINITY): New constant.
8636 (S390_TDC_NEGATIVE_INFINITY): New constant.
8637 (S390_TDC_POSITIVE_QUIET_NAN): New constant.
8638 (S390_TDC_NEGATIVE_QUIET_NAN): New constant.
8639 (S390_TDC_POSITIVE_SIGNALING_NAN): New constant.
8640 (S390_TDC_NEGATIVE_SIGNALING_NAN): New constant.
8641 (S390_TDC_INFINITY): New constant.
8642 * config/s390/s390.c (s390_canonicalize_comparison): Renamed
8643 UNSPEC_CMPINT to UNSPEC_CCU_TO_INT, added a UNSPEC_CCU_TO_INT-like
8644 optimization for UNSPEC_CCZ_TO_INT.
8645 * config/s390/s390.md ("*TDC_insn_<mode>"): New insn.
8646 ("*ccz_to_int"): New insn.
8647 ("isinf<mode>2"): New insn.
8648 (UNSPEC_CMPINT): Renamed to UNSPEC_CCU_TO_INT.
8649 (UNSPEC_CCU_TO_INT): New constant, replaces UNSPEC_CMPINT.
8650 (UNSPEC_CCZ_TO_INT): New constant.
8652 2007-04-18 Richard Guenther <rguenther@suse.de>
8654 PR tree-optimization/19431
8655 PR tree-optimization/21463
8656 * tree-pass.h (pass_phiprop): Declare.
8657 * passes.c (init_optimization_passes): New phiprop pass.
8658 * tree-ssa-forwprop.c (struct phiprop_d): New structure.
8659 (phivn_valid_p): New helper function.
8660 (phiprop_insert_phi): Likewise.
8661 (propagate_with_phi): Likewise.
8662 (tree_ssa_phiprop): New propagator propagating loads
8663 through phi nodes if profitable.
8665 2007-04-18 Dorit Nuzman <dorit@il.ibm.com>
8667 * tree-vect-analyze.c (process_use): New function.
8668 (vect_mark_stmts_to_be_vectorized): Factor out code to process_use.
8669 Check phis in all bbs.
8670 * tree-vectorizer.c (vect_is_simple_use): Remove a no longer relavant
8673 2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
8675 * reload1.c (eliminte_regs_in_insn): Use REG_EQUIV notes the same way
8678 2007-04-17 Anatoly Sokolov <aesok@post.ru>
8681 * config/avr/avr.c (ptrreg_to_str): Replace gcc_unreachable() with
8684 2007-04-17 H.J. Lu <hongjiu.lu@intel.com>
8686 * config/i386/sse.md (sse_vmaddv4sf3): Use register_operand
8688 (sse_vmmulv4sf3): Likewise.
8689 (sse2_vmaddv2df3): Likewise.
8690 (sse2_vmmulv2df3): Likewise.
8692 2007-04-17 Zdenek Dvorak <dvorakz@suse.cz>
8694 PR rtl-optimization/31360
8695 * cfgloopanal.c (target_small_cost, target_pres_cost): Removed.
8696 (target_reg_cost): New.
8697 (init_set_costs): Initialize target_reg_cost. Add comments
8698 regarding the rationale of the costs.
8699 (global_cost_for_size): Renamed to...
8700 (estimate_reg_pressure_cost): ... and simplify. Decrease importance
8701 of register pressure.
8702 * tree-ssa-loop-ivopts.c (ivopts_global_cost_for_size): Use
8703 estimate_reg_pressure_cost. Add number of ivs.
8704 (determine_set_costs): Dump target_reg_cost.
8705 * loop-invariant.c (gain_for_invariant): Use
8706 estimate_reg_pressure_cost. Removed n_inv_uses argument.
8707 (best_gain_for_invariant, find_invariants_to_move): Remove
8709 * cfgloop.h (target_small_cost, target_pres_cost): Removed.
8710 (target_reg_cost): Declare.
8711 (global_cost_for_size): Declaration removed.
8712 (estimate_reg_pressure_cost): Declare.
8714 2007-04-17 Peter Bergner <bergner@vnet.ibm.com>
8716 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Force TDmode
8717 regnos into even/odd register pairs.
8718 * config/rs6000/rs6000.h [SLOW_UNALIGNED_ACCESS]: Treat DDmode and
8719 TDmode similar to the other floating point modes.
8720 [SECONDARY_MEMORY_NEEDED]: Treat DDmode similar to DFmode.
8721 * config/rs6000/dfp.md (negdd2, absdd2, negtd2, abstd2): New
8723 (negdd2_fpr, absdd2_fpr, nabsdd2_fpr, negtd2_fpr, abstd2_fpr,
8724 nabstd2_fpr, movdd_hardfloat64_mfpgpr): New define_insn's.
8725 (movdd_hardfloat64): Use TARGET_MFPGPR.
8727 2007-04-17 Bernd Schmidt <bernd.schmidt@analog.com>
8729 * reload1.c (delete_output_reload): Don't count output in n_inherited.
8732 2005-01-05 Richard Henderson <rth@redhat.com>
8734 * reload1.c (do_input_reload): Restrict the optimization deleteing
8735 a previous output reload to RELOAD_FOR_INPUT.
8737 2007-04-17 Dorit Nuzman <dorit@il.ibm.com>
8739 * tree-vectorizer.h (stmt_vec_info_type): Add enum value
8740 induc_vec_info_type.
8741 (vectorizable_induction): New function declaration.
8742 * tree-vect-transform.c (get_initial_def_for_induction): No need to
8743 check if already vectorized. Find first place in BB where new stmts
8744 can be inserted. Takes only one argument.
8745 (vectorizable_induction): New function.
8746 (vect_transform_stmt): Add case for induc_vec_info_type to call
8747 vectorizable_induction.
8748 (vect_transform_loop): Consider phis for vectorization.
8749 * tree-vect-analyze.c (vect_determine_vectorization_factor): Simplify
8751 (analyze_operations): Call vectorizable_induction when analyzing phis.
8753 (vect_mark_stmts_to_be_vectorized): Remove redundant checks.
8754 (vect_mark_relevant): Include phis in relevance analysis.
8755 (vect_mark_stmts_to_be_vectorize): Likewise.
8756 * tree-vect-patterns.c (widened_name_p): Remove obsolete asserts.
8758 2007-04-16 Lawrence Crowl <crowl@google.com>
8760 * doc/invoke.texi (Debugging Options): Add documentation for the
8761 -femit-struct-debug options -femit-struct-debug-baseonly,
8762 -femit-struct-debug-reduced, and
8763 -femit-struct-debug-detailed[=...].
8765 * c-opts.c (c_common_handle_option): Add
8766 OPT_femit_struct_debug_baseonly, OPT_femit_struct_debug_reduced,
8767 and OPT_femit_struct_debug_detailed_.
8768 * c.opt: Add specifications for
8769 -femit-struct-debug-baseonly, -femit-struct-debug-reduced,
8770 and -femit-struct-debug-detailed[=...].
8771 * opts.c (set_struct_debug_option): Parse the
8772 -femit-struct-debug-... options.
8773 * opts.c (matches_main_base, main_input_basename,
8774 main_input_baselength, base_of_path, matches_main_base): Add
8775 variables and functions to compare header base name to compilation
8777 * opts.c (should_emit_struct_debug): Add to determine to emit a
8778 structure based on the option.
8779 (dump_struct_debug) Also disabled function to debug this
8781 * opts.c (handle_options): Save the base name of the
8784 * langhooks-def.h (LANG_HOOKS_GENERIC_TYPE_P): Define.
8785 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Add.
8786 This hook indicates if a type is generic. Set it by default
8788 * langhooks.h (struct lang_hooks_for_types): Add a new hook
8789 to determine if a struct type is generic or not.
8790 * cp/cp-tree.h (class_tmpl_impl_spec_p): Declare a C++ hook.
8791 * cp/tree.c (class_tmpl_impl_spec_p): Implement the C++ hook.
8792 * cp/cp-lang.c (LANG_HOOKS_GENERIC_TYPE_P): Override null C hook
8795 * flags.h (enum debug_info_usage): Add an enumeration to describe
8796 a program's use of a structure type.
8797 * dwarf2out.c (gen_struct_or_union_type_die): Add a new parameter
8798 to indicate the program's usage of the type. Filter structs based
8799 on the -femit-struct-debug-... specification.
8800 (gen_type_die): Split into two routines, gen_type_die and
8801 gen_type_die_with_usage. gen_type_die is now a wrapper
8802 that assumes direct usage.
8803 (gen_type_die_with_usage): Replace calls to gen_type_die
8804 with gen_type_die_with_usage adding the program usage of
8805 the referenced type.
8806 (dwarf2out_imported_module_or_decl): Suppress struct debug
8807 information using should_emit_struct_debug when appropriate.
8809 2007-04-16 Ian Lance Taylor <iant@google.com>
8811 PR tree-optimization/31522
8812 * tree-vrp.c (vr_phi_edge_counts): New static variable.
8813 (vrp_initialize): Allocate vr_phi_edge_counts.
8814 (vrp_visit_phi_node): Don't push to infinity if we saw a new
8815 executable edge. Drop test for all constants.
8816 (vrp_finalize): Free vrp_phi_edge_counts.
8818 * doc/cpp.texi (Common Predefined Macros): Clarify description of
8819 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
8821 * tree-ssa-propagate.c (cfg_blocks_add): Insert blocks with fewer
8822 predecessors at head rather than tail.
8824 2007-04-16 Matthias Klose <doko@debian.org>
8826 * config/alpha/linux.h (CPP_SPEC): Define.
8827 * config/arm/linux-gas.h (SUBTARGET_CPP_SPEC): Extend.
8829 2007-04-16 Aldy Hernandez <aldyh@redhat.com>
8831 * function.h: Remove sequence_stack extern declaration.
8833 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
8835 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Change to 64 on
8837 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Change to 64 if __mfido__ is
8840 2007-04-16 Anatoly Sokolov <aesok@post.ru>
8842 * config/avr/avr.c (avr_arch_types): Rearranging array.
8843 (enum avr_arch): Add.
8844 (avr_mcu_types): Use avr_arch enumeration constants instead of
8846 * config/avr/avr.h (LINK_SPEC): Simplify.
8848 2007-04-16 Kazu Hirata <kazu@codesourcery.com>
8850 * config/m68k/m68k.c (m68k_libcall_value,
8851 m68k_function_value): Use macros for register names more.
8853 * config/m68k/m68k.h (FRAME_POINTER_REGNUM): Use A6_REG
8855 (M68K_REGNAME): Use A6_REG.
8856 * config/m68k/m68k.md (FP_REG): Rename to A6_REG.
8858 2007-04-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8861 * sched-int.h (struct deps): Split field 'pending_lists_length' into
8862 'pending_read_list_length' and 'pending_write_list_length'. Update
8864 * sched-deps.c (add_insn_mem_dependence): Change signature. Update
8865 to handle two length counters instead of one. Update all uses.
8866 (flush_pending_lists, sched_analyze_1, init_deps): Update to handle
8867 two length counters instead of one.
8868 * sched-rgn.c (propagate_deps): Update to handle two length counters
8871 2007-04-16 H.J. Lu <hongjiu.lu@intel.com>
8874 * config/i386/i386.c (ix86_expand_vec_set_builtin): Make a
8875 copy of source, pass it to ix86_expand_vector_set and return
8878 2007-04-16 David Ung <davidu@mips.com>
8879 Joseph Myers <joseph@codesourcery.com>
8881 * config/mips/mips.h (PROCESSOR_74KC, PROCESSOR_74KF,
8882 PROCESSOR_74KX, TUNE_74K, GENERATE_MADD_MSUB): Define.
8883 * config/mips/mips.c (mips_cpu_info_table, mips_rtx_cost_data):
8884 Add 74K processor information.
8885 * config/mips/mips.md: Include 74k.md.
8886 (cpu): Add 74kc,74kf,74kx.
8887 (ISA_HAS_MADD_MSUB): Change to GENERATE_MADD_MSUB throughout.
8888 * config/mips/74k.md: New.
8889 * doc/invoke.texi (MIPS Options): Document 74K support.
8891 2007-04-16 Dorit Nuzman <dorit@il.ibm.com>
8893 * tree-vect-analyze.c (vect_analyze_operations): Reorganize calls to
8894 vectorizable_* functions.
8895 * tree-vect-transform.c (vectorizable_call): Add check for
8896 STMT_VINFO_RELEVANT_P, STMT_VINFO_DEF_TYPE and STMT_VINFO_LIVE_P.
8897 (vectorizable_store): likewise.
8898 (vectorizable_conversion): Add check for STMT_VINFO_DEF_TYPE.
8900 (vectorizable_operation, vectorizable_type_demotion): Likewise.
8901 (vectorizable_type_promotion, vectorizable_load): Likewise.
8902 (vectorizable_live_operation, vectorizable_condition): Likewise.
8903 (vectorizable_assignment): Add check for STMT_VINFO_DEF_TYPE and
8905 (vect_transform_stmt): Reorganize calls to vectorizable_* functions.
8907 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
8909 * config/m68k/linux.h (FUNCTION_VALUE_REGNO_P): Use macros for
8910 register numbers more.
8911 * config/m68k/m68k.h (STACK_POINTER_REGNUM,
8912 FRAME_POINTER_REGNUM, STATIC_CHAIN_REGNUM,
8913 M68K_STRUCT_VALUE_REGNUM, FUNCTION_VALUE, LIBCALL_VALUE,
8914 FUNCTION_VALUE_REGNO_P): Likewise.
8915 * config/m68k/m68kelf.h (M68K_STRUCT_VALUE_REGNUM,
8916 STATIC_CHAIN_REGNUM): Likewise.
8917 * config/m68k/m68kemb.h (FUNCTION_VALUE_REGNO_P): Likewise.
8918 * config/m68k/netbsd-elf.h (M68K_STRUCT_VALUE_REGNUM,
8919 STATIC_CHAIN_REGNUM, FUNCTION_VALUE_REGNO_P): Likewise.
8920 * config/m68k/m68k.md (FP_REG): New.
8922 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
8924 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Prefer 32-bit
8927 2007-04-15 Kazu Hirata <kazu@codesourcery.com>
8929 * config/i386/i386.c, config/s390/s390.c, config/s390/s390.md,
8930 tree-ssa-loop-niter.c, tree-ssa-structalias.c, tree-vrp.c: Fix
8933 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
8935 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Ignore
8938 2007-04-14 Andrew Pinski <andrew_pinski@playstation.sony.com>
8941 * c-decl.c (finish_decl): Grab the type of the decl after the call
8942 to store_init_value.
8944 2007-04-14 Steven Bosscher <steven@gcc.gnu.org>
8946 * common.opt (fforward-propagate): Fix "Optimization" annotation.
8948 2007-04-14 Jakub Jelinek <jakub@redhat.com>
8951 * omp-low.c (expand_omp_parallel): If child_cfun->cfg, free
8952 dominators, post dominators and cleanup cfg before returning.
8954 2007-04-14 Bernd Schmidt <bernd.schmidt@analog.com>
8956 * config/bfin/bfin.h (MODES_TIEABLE_P): Allow more modes to be tied.
8957 * config/bfin/bfin.md (movsi_insn): Delete two unused alternatives.
8959 2007-04-14 Kazu Hirata <kazu@codesourcery.com>
8961 * config.gcc: Recognize fido.
8962 * config/m68k/m68k-devices.def (fidoa): New.
8963 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define
8965 (FL_FIDOA, TARGET_FIDOA): New.
8966 * config/m68k/m68k.opt (mfidoa): New.
8968 2007-04-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8971 * dwarf2out.c (output_call_frame_info): Call assemble_external_libcall
8972 when a personality function is used.
8974 2007-04-13 Bob Wilson <bob.wilson@acm.org>
8976 * config/xtensa/xtensa.c (xtensa_expand_builtin): Use CALL_EXPR_FN.
8978 2007-04-13 Mike Stump <mrs@apple.com>
8980 * config/darwin-c.c (handle_c_option): Handle -fapple-kext here so
8982 * config/darwin.opt (fapple-kext): Make C++ only.
8983 * config/darwin.c (darwin_override_options): Remove code to ensure
8984 -fapple-kext is given for C++ only.
8986 2007-04-13 Richard Sandiford <richard@codesourcery.com>
8988 * config/mips/vxworks.h (SUBTARGET_OVERRIDE_OPTIONS): Define.
8989 * config/mips/mips.c (override_options): Call
8990 SUBTARGET_OVERRIDE_OPTIONS, if defined.
8992 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
8994 * config/i386/i386.opt (msvr3-shlib): Removed.
8996 * doc/invoke.texi: Remove -msvr3-shlib.
8998 2007-04-13 H.J. Lu <hongjiu.lu@intel.com>
9000 * config/i386/i386.opt (mpopcnt): Replace "popcount" instruction
9001 with "popcnt" instruction.
9003 2007-04-13 Richard Guenther <rguenther@suse.de>
9005 PR tree-optimization/21258
9006 * tree-vrp.c (compare_case_labels): New helper.
9007 (find_switch_asserts): New function.
9008 (find_assert_locations): Call it for SWITCH_EXPRs.
9010 2007-04-13 Uros Bizjak <ubizjak@gmail.com>
9012 * config/i386/i386.h (X87_FLOAT_MODE_P): Check for TARGET_80387.
9013 * config/i386/i386.md (*cmpfp0): Remove check for TARGET_80387, this
9014 check is now implied in X87_FLOAT_MODE_P.
9015 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
9016 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
9017 (fix_trunc<mode>_i386_fisttp): Ditto.
9018 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
9019 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
9020 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
9021 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
9022 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
9023 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
9024 (unnamed_splitters): Ditto.
9025 * config/i386/i386.c (function_value_32): Generate FIRST_FLOAT_REG
9026 for X87_FLOAT_MODE_P mode. Override FIRST_FLOAT_REG with
9027 FIRST_SSE_REG for local functions when SSE math is enabled or
9028 for functions with sseregparm attribute.
9029 (standard_80387_constant_p): Return -1 if mode is not
9031 (ix86_cc_mode): Assert that scalar mode is not DECIMAL_FLOAT_MODE_P.
9032 (ix86_expand_compare): Ditto.
9033 (ix86_expand_carry_flag_compare): Ditto.
9034 (ix86_expand_int_movcc): Check for SCALAR_FLOAT_MODE_P instead
9035 of FLOAT_MODE_P for cmp_mode and assert that cmp_mode is not
9036 DECIMAL_FLOAT_MODE_P.
9037 (ix86_preferred_output_reload_class): Use X87_FLOAT_MODE_P instead
9038 of SCALAR_FLOAT_MODE_P.
9039 (ix86_rtx_costs) [PLUS] Remove FLOAT_MODE_P and fall through to ...
9040 [MINUS]: ... here. Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P
9041 checks before FLOAT_MODE_P.
9042 [MULT]: Add SSE_FLOAT_MODE_P and X87_FLOAT_MODE_P checks
9043 before FLOAT_MODE_P.
9048 [FLOAT_EXTEND]: Use SSE_FLOAT_MODE_P.
9050 2007-04-12 Paolo Bonzini <bonzini@gnu.org>
9051 Charles Wilson <libtool@cwilson.fastmail.fm>
9053 * Makefile.in (stamp-as, stamp-collect-ld, stamp-nm): Remove.
9054 (libgcc.mvars): Don't depend on them.
9055 * configure.ac (as, collect-ld, nm): Create from exec-tool.in.
9056 * exec-tool.in: New.
9058 2007-04-12 Brooks Moses <brooks.moses@codesourcery.com>
9060 * doc/invoke.text (--help): Document --help=common.
9062 2007-04-12 Thomas Neumann <tneumann@users.sourceforge.net>
9064 * stub-objc.c (objc_build_keyword_decl): Avoid C++ keywords.
9066 2007-04-12 Richard Sandiford <richard@codesourcery.com>
9068 * Makefile.in (insn-emit.o): Depend on $(INTEGRATE_H).
9069 * genemit.c (main): Emit #include "integrate.h".
9070 * config/mips/mips-protos.h (SYMBOL_HALF): New mips_symbol_type.
9071 (LOADGP_RTP): New mips_loadgp_style.
9072 * config/mips/mips.h: Include config/vxworks-dummy.h.
9073 (TARGET_RTP_PIC): New macro.
9074 (TARGET_USE_GOT): Return true for TARGET_RTP_PIC.
9075 (TARGET_USE_PIC_FN_ADDR_REG): Return true for TARGET_VXWORKS_RTP.
9076 (ASM_OUTPUT_ADDR_DIFF_ELT): Emit function-relative case tables
9078 * config/mips/vxworks.h (SUBTARGET_ASM_SPEC): Define. Pass down
9079 -mvxworks-pic when using -mrtp and a PIC option.
9080 * config/mips/mips.c (mips_classify_symbol): Return SYMBOL_GOT_DISP
9082 (mips_symbolic_constant_p, mips_symbolic_address_p)
9083 (mips_symbol_insns): Handle SYMBOL_HALF.
9084 (override_options): Warn about -G and -mrtp being used together.
9085 Initialize mips_lo_relocs[SYMBOL_HALF].
9086 (mips_current_loadgp_style): Return LOADGP_RTP for RTP PIC.
9087 (mips_emit_loadgp): Handle LOADGP_RTP.
9088 (mips_in_small_data_p): Return false for TARGET_VXWORKS_RTP.
9089 * config/mips/mips.md (loadgp_rtp): New insn and splitter.
9090 (tablejump): Handle function-relative case table entries if
9092 * config/mips/predicates.md (symbol_ref_operand): New predicate.
9094 2007-04-12 Richard Sandiford <richard@codesourcery.com>
9096 * config/mips/mips.md (load_call<mode>): Allow any general register.
9098 (sibcall_value_internal, sibcall_value_multiple_internal)
9099 (call_value_internal, call_value_split, call_value_multiple_internal)
9100 (call_value_multiple_split): Remove constraints from operand 0.
9102 2007-04-12 Richard Sandiford <richard@codesourcery.com>
9104 * config/mips/mips-protos.h: In comments, refer to loadgp_absolute
9105 rather than loadgp_noshared.
9106 * config/mips/mips.c (mips_emit_loadgp): Use gen_loadgp_absolute
9107 instead of gen_loadgp_noshared. Use gen_loadgp_newabi instead of
9109 * config/mips/mips.md (loadgp): Rename to...
9110 (loadgp_newabi): ...this.
9111 (loadgp_noshared): Rename to...
9112 (loadgp_absolute): ...this.
9114 2007-04-12 Richard Sandiford <richard@codesourcery.com>
9116 * config/mips/mips.c (mips_ok_for_lazy_binding_p): Always return
9117 false for locally-binding symbols.
9118 (mips_dangerous_for_la25_p): Check mips_global_symbol_p.
9120 2007-04-12 Richard Sandiford <richard@codesourcery.com>
9122 * config/mips/mips-protos.h (SYMBOL_GOT_LOCAL): Rename to...
9123 (SYMBOL_GOT_PAGE_OFST): ...this.
9124 (SYMBOL_GOT_GLOBAL): Rename to...
9125 (SYMBOL_GOT_DISP): ...this.
9126 (SYMBOL_GOTOFF_GLOBAL): Rename to...
9127 (SYMBOL_GOTOFF_DISP): ...this. Update comments accordingly.
9128 * config/mips/mips.c (mips_global_symbol_p): New function.
9129 (mips_symbol_binds_local_p): Likewise.
9130 (mips_classify_symbol): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP
9131 and SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST. Use
9132 mips_global_symbol_p and mips_symbol_binds_local_p.
9133 (mips_symbolic_constant_p, mips_symbolic_address_p, mips_symbol_insns)
9134 (override_options): Rename SYMBOL_GOT_GLOBAL to SYMBOL_GOT_DISP,
9135 SYMBOL_GOT_LOCAL to SYMBOL_GOT_PAGE_OFST and SYMBOL_GOTOFF_GLOBAL to
9137 (mips_ok_for_lazy_binding_p): New function.
9138 (mips_load_call_address, mips_expand_call): Use it.
9139 (mips_dangerous_for_la25_p): Likewise.
9140 * config/mips/mips.md (*xgot_hi<mode>, *xgot_lo<mode>)
9141 (*got_disp<mode>): Use got_disp_operand instead of
9142 global_got_operand. Use SYMBOL_GOTOFF_DISP instead of
9143 SYMBOL_GOTOFF_GLOBAL.
9144 (*got_page<mode>): Use got_page_ofst_operand instead of
9146 * config/mips/predicates.md (const_call_insn_operand): Use
9147 SYMBOL_GOT_DISP instead of SYMBOL_GOT_GLOBAL.
9148 (global_got_operand): Rename to...
9149 (got_disp_operand): ...this and use SYMBOL_GOT_DISP instead of
9151 (local_got_operand): Rename to...
9152 (got_page_ofst_operand): ...this and use SYMBOL_GOT_PAGE_OFST instead
9153 of SYMBOL_GOT_LOCAL.
9155 2007-04-12 Richard Sandiford <richard@codesourcery.com>
9157 * config/mips/mips.h (TARGET_SPLIT_CALLS): Check
9158 TARGET_CALL_CLOBBERED_GP.
9159 (TARGET_SIBCALLS): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
9160 (TARGET_USE_GOT, TARGET_CALL_CLOBBERED_GP): New macros.
9161 (TARGET_CALL_SAVED_GP, TARGET_USE_PIC_FN_ADDR_REG): Likewise.
9162 (STARTING_FRAME_OFFSET): Check TARGET_CALL_CLOBBERED_GP instead
9163 of TARGET_ABICALLS && !TARGET_NEWABI.
9164 (MIPS_CALL): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
9165 * config/mips/mips.c (mips_load_call_address): Check
9166 TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
9167 (mips_global_pointer): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
9168 Check TARGET_CALL_SAVED_GP instead of TARGET_NEWABI.
9169 (mips_save_reg_p): Check TARGET_CALL_SAVED_GP instead of
9170 TARGET_ABICALLS && TARGET_NEWABI.
9171 (mips_current_loadgp_style): Check TARGET_USE_GOT instead of
9173 (mips_expand_prologue): Check TARGET_OLDABI instead of !TARGET_NEWABI.
9174 (mips_expand_epilogue): Check TARGET_CALL_SAVED_GP instead of
9175 TARGET_ABICALLS && TARGET_NEWABI.
9176 (mips_output_mi_thunk): Check TARGET_USE_GOT instead of
9177 TARGET_ABICALLS. Check TARGET_CALL_SAVED_GP instead of
9178 TARGET_NEWABI. Use TARGET_USE_PIC_FN_ADDR_REG to decide
9179 whether indirect calls must use $25.
9180 (mips_extra_live_on_entry): Check TARGET_GOT instead of
9182 * config/mips/mips.md (jal_macro): Check flag_pic and
9183 TARGET_CALL_CLOBBERED_GP instead of TARGET_ABICALLS and TARGET_NEWABI.
9184 (builtin_setjmp_setup, builtin_longjmp): Check TARGET_USE_GOT
9185 instead of TARGET_ABICALLS.
9186 (exception_receiver): Check TARGET_CALL_CLOBBERED_GP instead of
9187 TARGET_ABICALLS && TARGET_OLDABI.
9188 (load_call<mode>): Check TARGET_USE_GOT instead of TARGET_ABICALLS.
9189 (sibcall): In the comment above the define_insn, mention
9190 TARGET_USE_PIC_FN_ADDR_REG instead of TARGET_ABICALLS.
9191 * config/mips/constraints.md (c): Check TARGET_USE_PIC_FN_ADDR_REG
9192 instead of TARGET_ABICALLS.
9194 2007-04-12 Bernd Schmidt <bernd.schmidt@analog.com>
9196 * doc/md.texi (Blackfin family constraints): Document PA and PB.
9197 * config/bfin/bfin.h (CONST_OK_FOR_P): Handle PA and PB.
9198 (MACFLAGS_MATCH_P): New macro.
9199 * config/bfin/bfin.c (print_operand): Handle MACFLAG_IS_M.
9200 (bfin_secondary_reload): Treat EVEN_AREGS and ODD_AREGS like AREGS.
9201 * config/bfin/bfin.md (MACFLAG_IS_M): New constant. Renumber some of
9202 the other MACFLAG constants.
9203 (sum_of_accumulators, lshrpdi3, ashrpdi3): New patterns.
9204 (flag_machi): Tighten constraints. Renumber some of the operands.
9205 (flag_machi_acconly): Tighten constraints. Correct operand numbers in
9207 (flag_machi_parts_acconly): New pattern.
9208 (flag_macinithi): Tighten constraints. Allow any accumulator to be
9210 (flag_macinit1hi): Tighten constraints.
9211 (flag_mul_macv2hi_parts_acconly): New pattern.
9213 * config/bfin/lib1funcs.asm (___umulsi3_highpart, __smulsi3_highpart):
9214 Use a more efficient implementation.
9215 * config/bfin/bfin.md (umulsi3_highpart, smulsi3_highpart): Emit
9216 inline sequences when not optimizing for size.
9218 * config/bfin/bfin.md (movhi_low2high, movhi_high2high, movhi_low2low,
9219 movhi_high2low): Delete, merge functionality into...
9220 (packv2hi): ... this pattern.
9222 2007-02-11 Jie Zhang <jie.zhang@analog.com>
9223 * config/bfin/bfin.opt (msim): New option.
9224 (mcpu=): New option.
9225 * config/bfin/bfin-protos.h (enum bfin_cpu): New.
9226 (bfin_cpu_t): Typedef of enum bfin_cpu.
9227 (bfin_cpu_type): New declaration.
9228 * config/bfin/elf.h (STARTFILE_SPEC): Add support for
9229 -msim and -mcpu= options.
9230 (LIB_SPEC): Likewise.
9231 * config/bfin/bfin.c (bfin_cpu_type): Define.
9232 (bfin_handle_option): Handle -mcpu= option.
9233 * config/bfin/bfin.h (DEFAULT_CPU_TYPE): Define as BFIN_CPU_BF532.
9234 (TARGET_CPU_CPP_BUILTINS): Define __ADSPBF531__, __ADSPBF532__,
9235 __ADSPBF533__ or __ADSPBF537__ according to the cpu type.
9237 2007-04-12 Richard Sandiford <richard@codesourcery.com>
9239 * config.gcc (*-*-vxworks*): Don't add to tm_files in this stanza.
9240 (arm-wrs-vxworks, mips-wrs-vxworks, powerpc-wrs-vxworks)
9241 (powerpc-wrs-vxworksae): Use ${tm_file}.
9242 (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add svr4.h
9243 after elfos.h. Remove i386/sysv4.h and add i386/vx-common.h.
9244 * config/i386/vx-common.h: New file.
9246 2007-04-12 Richard Sandiford <richard@codesourcery.com>
9248 * config/vxworks.h (VXWORKS_STARTFILE_SPEC): Use -l:crt0.o instead
9251 2007-04-12 Andreas Krebbel <krebbel1@de.ibm.com>
9253 * config/s390/s390.md ("trunctddd2"): Use TDmode for the target of
9256 2007-04-12 Douglas Gregor <doug.gregor@gmail.com>
9260 * c-common.c (c_build_qualified_type): Set canonical type
9263 2007-04-12 Richard Guenther <rguenther@suse.de>
9265 * tree-pretty-print.c (dump_generic_node): Print ARRAY_REF
9266 lower bound and element size if lower bound is not zero
9267 or either of the ARRAY_REF operands is set.
9269 2007-04-12 Richard Guenther <rguenther@suse.de>
9271 PR tree-optimization/24689
9272 PR tree-optimization/31307
9273 * fold-const.c (operand_equal_p): Compare INTEGER_CST array
9275 * gimplify.c (canonicalize_addr_expr): To be consistent with
9276 gimplify_compound_lval only set operands two and three of
9277 ARRAY_REFs if they are not gimple_min_invariant. This makes
9278 it never at this place.
9279 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Likewise.
9281 2007-04-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9283 * pa.c (pa_som_asm_init_sections): Ensure that cfun->machine is not
9284 null before emitting a .nsubspa directive.
9286 2007-04-11 Diego Novillo <dnovillo@redhat.com>
9288 * tree-ssa-alias.c (dump_mem_ref_stats): Do not call
9289 need_to_partition_p if there are no memory statements in the
9292 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
9294 * tree-data-ref.c (chrec_steps_divide_constant_p): Removed.
9295 (gcd_of_steps_may_divide_p): New function.
9296 (analyze_miv_subscript): Use gcd_of_steps_may_divide_p.
9298 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
9300 * reload.c (find_reloads_toplev, find_reloads_address,
9301 find_reloads_address_1, find_reloads_subreg_address): Use rtx_equal_p,
9302 not a pointer equality test, to decide if we need to call
9303 push_reg_equiv_alt_mem.
9305 2007-04-11 Sebastian Pop <sebastian.pop@inria.fr>
9307 * tree-data-ref.c (affine_function_zero_p, constant_access_functions,
9308 insert_innermost_unit_dist_vector, add_distance_for_zero_overlaps):
9310 (build_classic_dist_vector): Call add_distance_for_zero_overlaps.
9312 2007-04-11 Zdenek Dvorak <dvorakz@suse.cz>
9314 * tree-data-ref.c (add_multivariate_self_dist): Force the distance
9315 vector to be positive.
9317 2007-04-11 Diego Novillo <dnovillo@redhat.com>
9321 * doc/invoke.texi: Document --params max-aliased-vops and
9323 * tree-ssa-operands.h (get_mpt_for, dump_memory_partitions,
9324 debug_memory_partitions): Move to tree-flow.h
9325 * params.h (AVG_ALIASED_VOPS): Define.
9326 * tree-ssa-alias.c (struct mp_info_def): Remove. Update all
9328 (mp_info_t): Likewise.
9329 (get_mem_sym_stats_for): New.
9330 (set_memory_partition): Move from tree-flow-inline.h.
9331 (mark_non_addressable): Only clear the set of symbols for the
9332 partition if it exists.
9333 (dump_memory_partitions): Move from tree-ssa-operands.c
9334 (debug_memory_partitions): Likewise.
9335 (need_to_partition_p): New.
9336 (dump_mem_ref_stats): New.
9337 (debug_mem_ref_stats): New.
9338 (dump_mem_sym_stats): New.
9339 (debug_mem_sym_stats): New.
9340 (update_mem_sym_stats_from_stmt): New.
9341 (compare_mp_info_entries): New.
9342 (mp_info_cmp): Call it.
9343 (sort_mp_info): Change argument to a list of mem_sym_stats_t
9345 (get_mpt_for): Move from tree-ssa-operands.c.
9346 (find_partition_for): New.
9347 (create_partition_for): Remove.
9348 (estimate_vop_reduction): New.
9349 (update_reference_counts): New.
9350 (build_mp_info): New.
9351 (compute_memory_partitions): Refactor.
9352 Document new heuristic.
9353 Call build_mp_info, update_reference_counts,
9354 find_partition_for and estimate_vop_reduction.
9355 (compute_may_aliases): Populate virtual operands before
9356 calling debugging dumps.
9357 (delete_mem_sym_stats): New.
9358 (delete_mem_ref_stats): New.
9359 (init_mem_ref_stats): New.
9360 (init_alias_info): Call it.
9361 (maybe_create_global_var): Remove alias_info argument.
9362 Get number of call sites and number of pure/const call sites
9363 from gimple_mem_ref_stats().
9364 (dump_alias_info): Call dump_memory_partitions first.
9365 (dump_points_to_info_for): Show how many times a pointer has
9367 * opts.c (decode_options): For -O2 set --param
9368 max-aliased-vops to 500.
9369 For -O3 set --param max-aliased-vops to 1000 and --param
9370 avg-aliased-vops to 3.
9371 * fortran/options.c (gfc_init_options): Remove assignment to
9373 * tree-flow-inline.h (gimple_mem_ref_stats): New.
9374 * tree-dfa.c (dump_variable): Dump memory reference
9376 Dump NO_ALIAS* settings.
9377 (referenced_var_lookup): Tidy.
9378 (mem_sym_stats): New.
9379 * tree-ssa-copy.c (may_propagate_copy): Return true if DEST
9380 and ORIG are different SSA names for a memory partition.
9381 * tree-ssa.c (delete_tree_ssa): Call delete_mem_ref_stats.
9382 * tree-flow.h (struct mem_sym_stats_d): Define.
9383 (mem_sym_stats_t): Define.
9384 (struct mem_ref_stats_d): Define.
9385 (struct gimple_df): Add field mem_ref_stats.
9386 (enum noalias_state): Define.
9387 (struct var_ann_d): Add bitfield noalias_state.
9388 (mem_sym_stats, delete_mem_ref_stats, dump_mem_ref_stats,
9389 debug_mem_ref_stats, debug_memory_partitions,
9390 debug_mem_sym_stats): Declare.
9391 * tree-ssa-structalias.c (update_alias_info): Update call
9392 sites, pure/const call sites and asm sites in structure
9393 returned by gimple_mem_ref_stats.
9394 Remove local variable IS_POTENTIAL_DEREF.
9395 Increase NUM_DEREFS if the memory expression is a potential
9397 Call update_mem_sym_stats_from_stmt.
9398 If the memory references memory, call
9399 update_mem_sym_stats_from_stmt for all the direct memory
9400 symbol references found.
9401 (intra_create_variable_infos): Set noalias_state field for
9402 pointer arguments according to the value of
9403 flag_argument_noalias.
9404 * tree-ssa-structalias.h (struct alias_info): Remove fields
9405 num_calls_found and num_pure_const_calls_found.
9406 (update_mem_sym_stats_from_stmt): Declare.
9407 * params.def (PARAM_MAX_ALIASED_VOPS): Change description.
9408 Set default value to 100.
9409 (PARAM_AVG_ALIASED_VOPS): Define.
9411 2007-04-11 Richard Guenther <rguenther@suse.de>
9414 * simplify-rtx.c (simplify_binary_operation_1): Do not simplify
9415 a * -b + c as c - a * b if we honor sign dependent rounding.
9417 2007-04-11 Bernd Schmidt <bernd.schmidt@analog.com>
9419 * config/bfin/bfin-protos.h (bfin_expand_movmem): Renamed from
9421 * config/bfin/bfin.c (bfin_expand_prologue, bfin_delegitimize_address,
9422 bfin_function_ok_for_sibcall, split_load_immediate): Remove unused
9424 (initialize_trampoline): Don't use old-style function definition.
9425 (bfin_secondary_reload): Mark IN_P argument as unused.
9427 2007-04-10 Sebastian Pop <sebastian.pop@inria.fr>
9429 PR tree-optimization/31343
9430 * tree-chrec.h (chrec_zerop): Moved before build_polynomial_chrec.
9431 (build_polynomial_chrec): Return a scalar when the evolution is zero.
9432 * testsuite/gcc.dg/vect/pr31343.c: New.
9434 2007-04-10 Eric Christopher <echristo@apple.com>
9436 * config/i386/i386.h (X87_FLOAT_MODE_P): New.
9437 * config/i386/i386.md (*cmpfp0): Use.
9438 (*cmpfp_u, *cmpfp_<mode>, *cmpfp_i_i387): Ditto.
9439 (*cmpfp_iu_387, fix_trunc<mode>_fisttp_i386_1): Ditto.
9440 (fix_trunc<mode>_i386_fisttp): Ditto.
9441 (fix_trunc<mode>_i387_fisttp_with_temp): Ditto.
9442 (*fix_trunc<mode>_i387_1, fix_truncdi_i387): Ditto.
9443 (fix_truncdi_i387_with_temp, fix_trunc<mode>_i387): Ditto.
9444 (fix_trunc<mode>_i387_with_temp, *fp_jcc_1_387): Ditto.
9445 (*fp_jcc_2_387, *fp_jcc_5_387, *fp_jcc_6_387): Ditto.
9446 (*fp_jcc_7_387, *fp_jcc_8<mode>_387): Ditto.
9447 (unnamed_splitters): Ditto.
9448 * config/i386/i386.c (output_fix_trunc): Assert that
9449 we're not being passed a TFmode operand.
9451 2007-04-10 Zdenek Dvorak <dvorakz@suse.cz>
9453 PR tree-optimization/31526
9454 * tree-inline.c (copy_cfg_body): Use last_basic_block instead of
9455 n_basic_blocks to find newly added blocks.
9457 2007-04-10 Uros Bizjak <ubizjak@gmail.com>
9459 * config/i386/i386.md (fix_trunc<mode>di_sse): Remove "x" from "xm"
9461 (fix_trunc<mode>si_sse): Ditto.
9462 (*floatsisf2_mixed, *floatsisf2_sse): Ditto.
9463 (*floatsidf2_mixed, *floatsidf2_sse): Ditto.
9464 (*floatdisf2_mixed, *floatdisf2_sse): Ditto.
9465 (*floatdidf2_mixed, *floatdidf2_sse): Ditto.
9466 (floathi<mode>2): Rename from floathisf2 and floathidf2. Macroize
9467 expander using SSEMODEF mode macro.
9468 (floatsi<mode>2): Rename from floatsisf2 and floashidf2. Macroize
9469 expander using SSEMODEF mode macro.
9470 (*floathi<mode>2_i387): Rename from *floathisf2_i387 and
9471 *floathidf2_i387. Macroize insn using X87MODEF12 mode macro.
9472 (*floatsi<mode>2_i387): Rename from *floatsisf2_i387 and
9473 *floatsidf2_i387. Macroize insn using X87MODEF12 mode macro.
9474 (*floatdi<mode>2_i387): Rename from *floatdisf2_i387 and
9475 *floatdidf2_i387. Macroize insn using X87MODEF12 mode macro.
9476 (float<mode>xf2): Rename from floathixf2, floatsixf2 and floatdixf2.
9477 Macroize insn using X87MODEF mode macro.
9479 2007-04-09 H.J. Lu <hongjiu.lu@intel.com>
9481 * config/i386/sse.md (sse2_pinsrw): Removed.
9482 (sse2_pextrw): Renamed to ...
9483 (*sse2_pextrw): This.
9485 2007-04-09 Jan Hubicka <jh@suse.cz>
9488 * config/i386/sse.md
9489 (sse_vmaddv4sf3, sse_vmmulv4sf3): Remove '%' modifier.
9490 (sse_vmsmaxv4sf3_finite, sse_vmsminv4sf3_finite): Remove.
9491 (sse2_vmaddv2df3, sse2_vmmulv2df3): Remove '%' modifier.
9492 (sse2_vmsmaxv2df3_finite, sse2_vmsminv2df3_finite): Remove.
9494 2007-04-09 Jan Hubicka <jh@suse.cz>
9496 * tree-ssa-ccp (maybe_fold_offset_to_component_ref): Recurse into
9497 multiple fields of union.
9499 2007-04-09 Zdenek Dvorak <dvorakz@suse.cz>
9501 * cfgloopmanip.c (create_preheader): Do not use loop_preheader_edge.
9502 (create_preheaders): Check that loops are available.
9503 (fix_loop_structure): Clean up, improve comments.
9504 * tree-ssa-loop-manip.c (rewrite_into_loop_closed_ssa):
9505 Check that loops are available. Set LOOP_CLOSED_SSA to the loops
9507 * tree-scalar-evolution.c (scev_finalize): Clear scalar_evolution_info.
9508 * predict.c (tree_estimate_probability): Do not call
9509 calculate_dominance_info. Call create_preheaders.
9510 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Only call
9511 rewrite_into_loop_closed_ssa if LOOP_CLOSED_SSA is set in loops state
9513 * cfgloop.c (loop_preheader_edge): Assert that loops have preheaders.
9514 * cfgloop.h (LOOP_CLOSED_SSA): New constant.
9515 * tree-cfg.c (tree_split_edge): Make an assert more precise.
9516 * tree-ssa-threadedge.c (thread_across_edge): Comment the function
9519 2007-04-08 Jan Hubicka <jh@suse.cz>
9521 * tree.h (maybe_fold_offset_to_component_ref): Declare.
9522 * tree-ssa-ccp.c (maybe_fold_offset_to_component_ref): Export.
9523 * fold-const.c (fold_unary): Use it.
9525 2007-04-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
9527 * varasm.c (assemble_variable): Remove call to
9528 lang_hooks.decls.prepare_assemble_variable.
9529 * langhooks-def.h (LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE): Kill.
9530 (LANG_HOOKS_DECLS): Remove LANG_HOOKS_PREPARE_ASSEMBLE_VARIABLE.
9531 * langhooks.h (lang_hooks_for_decls): Remove
9532 prepare_assemble_variable.
9534 2007-04-08 Mike Stump <mrs@apple.com>
9536 * config/i386/i386.c: Use inc/dec on Core2.
9538 2007-04-08 Steven Bosscher <steven@gcc.gnu.org>
9540 * langhooks.c (lhd_tree_inlining_add_pending_fn_decls,
9541 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
9542 lhd_tree_inlining_end_inlining): Remove.
9543 * langhooks.h (struct lang_hooks_for_tree_inlining): Remove then
9544 add_pending_fn_decls, anon_aggr_type_p, start_inlining, and
9546 * langhooks-def.h (lhd_tree_inlining_add_pending_fn_decls,
9547 lhd_tree_inlining_anon_aggr_type_p, lhd_tree_inlining_start_inlining,
9548 lhd_tree_inlining_end_inlining): Remove prototypes.
9549 (LANG_HOOKS_TREE_INLINING_ADD_PENDING_FN_DECLS,
9550 LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P,
9551 LANG_HOOKS_TREE_INLINING_START_INLINING,
9552 LANG_HOOKS_TREE_INLINING_END_INLINING): Remove.
9554 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_ANON_AGGR_TYPE_P): Do
9557 2007-04-08 Anatoly Sokolov <aesok@post.ru>
9560 * config/avr/predicates.md (io_address_operand): Delete predicate.
9561 (low_io_address_operand): Don't use 'mode' argument.
9562 (higth_io_address_operand): Rename ...
9563 (high_io_address_operand): ... to this. Don't use 'mode' argument.
9564 * config/avr/avr.md (*sbix_branch_tmp, *sbix_branch_tmp_bit7): Adjust
9567 2007-04-07 Daniel Berlin <dberlin@dberlin.org>
9569 Revert change removing staticp.
9571 2007-04-07 Anatoly Sokolov <aesok@post.ru>
9574 * config/avr/avr.md (*clrmemqi, *clrmemhi): Mark operand 4 as
9577 2007-04-07 Bruce Korb <bkorb@gnu.org>
9579 * c.opt: Add -Wformat-contains-nul.
9580 * c-format.c (set_Wformat): Set warn_format_contains_nul to the
9582 (check_format_info_main): Check OPT_Wformat_contains_nul before emitting
9583 the NUL byte warning.
9585 2007-04-07 H.J. Lu <hongjiu.lu@intel.com>
9587 * config/i386/i386.c (ix86_handle_option): Handle SSSE3.
9589 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
9591 * tree.c (staticp): No longer use staticp langhook.
9592 * langhooks.c (lhd_staticp): Removed.
9593 * langhooks.h (struct lang_hooks): Remove staticp.
9594 * c-common.c (c_staticp): Remove.
9595 * c-common.h (c_staticp): Ditto.
9596 * langhooks-defs.h (lhd_staticp): Ditto.
9597 (LHD_HOOKS_STATICP): Ditto
9598 * tree.h (gcc_assert_lowered): New macro.
9600 2007-04-06 Zdenek Dvorak <dvorakz@suse.cz>
9602 * tree-ssa-loop-niter.c (idx_infer_loop_bounds): Add and use
9603 argument "reliable".
9604 (infer_loop_bounds_from_ref, infer_loop_bounds_from_array):
9605 Add argument "reliable". Propagate it through calls.
9606 (infer_loop_bounds_from_undefined): Derive number of iterations
9607 estimates from references in blocks that do not dominate loop latch.
9608 (gcov_type_to_double_int): New function.
9609 (estimate_numbers_of_iterations_loop): Use gcov_type_to_double_int
9610 and expected_loop_iterations_unbounded.
9611 * cfgloopanal.c (expected_loop_iterations_unbounded): New function.
9612 (expected_loop_iterations): Use expected_loop_iterations_unbounded.
9613 * tree-data-ref.c (estimated_loop_iterations): Export.
9614 (get_references_in_stmt): Fix -- do not return addresses of local
9616 * cfgloop.h (expected_loop_iterations_unbounded,
9617 estimated_loop_iterations): Declare.
9619 2007-04-06 Andreas Tobler <a.tobler@schweiz.org>
9621 * tree-sra.c (sra_build_elt_assignment): Initialize min/maxshift.
9623 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
9625 * config/i386/i386.md (extend<mode>xf2): Rename from extendsfxf2
9626 and extenddfxf2. Macroize expander using X87MODEF12 mode macro.
9627 (*truncdfsf_mixed, *truncdfsf_i387, *truncdfsf2_i387_1):
9628 Use output_387_reg_move().
9629 (*truncxf<mode>2): Rename from *truncxfsf2 and truncxfdf2. Macroize
9630 expander using X87MODEF12 mode macro.
9631 (*truncxfsf2_mixed): Combine alternatives, ignore "r" alternative when
9632 choosing register preferences. Use output_387_reg_move().
9633 (*truncxfdf2_mixed): Combine alternatives, use "r" alternative
9634 instead of "x". Use output_387_reg_move().
9635 (*truncxf<mode>2_i387_noop): Rename from *truncxfsf2_i387_noop and
9636 *truncxfdf2_i387_noop. Macroize insn using X87MODEF12 mode macro.
9637 (*truncxf<mode>2_i387): Rename from *truncxfsf2_i387 and
9638 *truncxfdf2_i387. Macroize insn using X87MODEF12 mode macro.
9639 Use output_387_reg_move().
9640 (*truncxf?f_mixed splitter): Macroize splitter using X87MODEF12
9642 (*truncxf?f_i387 splitter): Ditto.
9644 2007-04-06 Daniel Berlin <dberlin@dberlin.org>
9646 * langhooks-def.h (LANG_HOOKS_INITIALIZER): Remove
9647 LANG_HOOKS_SAFE_FROM_P.
9648 * expr.c (safe_from_p): Remove langhook call.
9649 * langhooks.h (lang_hooks): Remove safe_from_p.
9650 (lhd_safe_from_p): Remove prototype.
9651 * langhooks.c (lhd_safe_from_p): Remove.
9653 2007-04-06 Jan Hubicka <jh@suse.cz>
9655 * cgraphunit.c (decide_is_function_needed): Do not keep always_inline
9658 2007-04-06 Uros Bizjak <ubizjak@gmail.com>
9660 * config/i386/i386.c (output_387_reg_move): Handle memory operand[0].
9661 * config/i386/i386.md (*movsf_1, *movdf_nointeger,
9662 *movdf_integer_rex64, *movdf_integer, *movxf_nointeger,
9663 *movxf_integer): Use output_387_reg_move() for x87 reg->mem
9665 (*extendsfdf2_mixed, *extendsfdf2_i387, *extendsfxf2_i387,
9666 *extenddfxf2_i387, *truncdfsf_fast_mixed): Ditto.
9668 2007-04-05 Richard Henderson <rth@redhat.com>
9670 * config/alpha/alpha.c (print_operand) [+]: Remove.
9671 (alpha_end_function): Print nop if call at end of function.
9672 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): Remove +.
9673 * config/alpha/alpha.md (UNSPEC_LDGP1): New.
9674 (call_osf_1_er_noreturn, call_value_osf_1_er_noreturn): New.
9675 (call_osf_2_er_nogp, call_value_osf_2_er_nogp): New.
9676 (call_osf_2_er, call_value_osf_2_er): Merge the ldgp highpart into
9677 the call pattern. Update peepholes to match.
9679 2007-04-05 Janis Johnson <janis187@us.ibm.com>
9681 * doc/extend.texi (Other Builtins): Add decimal float variants
9683 * builtins.def: Ditto.
9684 * builtins.c (expand_builtin): Ditto.
9686 2007-04-05 Uros Bizjak <ubizjak@gmail.com>
9687 H.J. Lu <hongjiu.lu@intel.com>
9690 * config/i386/sse.md (sse2_umulv2siv2di3): Use V4SImode instead
9691 of V8HImode when calling ix86_binary_operator_ok.
9692 (sse2_pmaddwd): Call ix86_binary_operator_ok.
9693 (sdot_prodv8hi): Operands 1 and 2 must be register.
9695 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
9697 * tree-sra.c (try_instantiate_multiple_fields): Needlessly
9698 initialize align to silence bogus warning.
9700 2007-04-05 Alexandre Oliva <aoliva@redhat.com>
9703 * tree-sra.c (struct sra_elt): Add in_bitfld_block. Remove
9705 (struct sra_walk_fns): Remove use_all parameter from use.
9706 (sra_hash_tree): Handle BIT_FIELD_REFs.
9707 (sra_elt_hash): Don't hash bitfld blocks.
9708 (sra_elt_eq): Skip them in parent compares as well. Handle
9710 (sra_walk_expr): Don't maintain or pass down use_all_p.
9711 (scan_use): Remove use_all parameter.
9712 (scalarize_use): Likewise. Re-expand assignment to
9713 BIT_FIELD_REF of gimple_reg. De-scalarize before input or
9714 output, and re-scalarize after output. Don't mark anything
9716 (scalarize_ldst): Adjust.
9717 (scalarize_walk_gimple_modify_statement): Likewise.
9718 (build_element_name_1): Handle BIT_FIELD_REFs.
9719 (instantiate_element): Don't warn for any element whose parent
9721 (instantiate_missing_elements_1): Return the sra_elt.
9722 (canon_type_for_field): New.
9723 (try_instantiate_multiple_fields): New.
9724 (instantiate_missing_elemnts): Use them.
9725 (mark_no_warning): Removed.
9726 (generate_one_element_ref): Handle BIT_FIELD_REFs.
9727 (REPLDUP, sra_build_elt_assignment): New.
9728 (generate_copy_inout): Use them.
9729 (generate_element_copy): Likewise. Handle bitfld differences.
9730 (generate_element_zero): Don't recurse for blocks. Use
9731 sra_build_elt_assignment.
9732 (generate_one_element_int): Take elt instead of var. Use
9733 sra_build_elt_assignment.
9734 (generate_element_init_1): Adjust.
9735 (scalarize_use, scalarize_copy): Use REPLDUP.
9736 (scalarize_ldst): Move assert before dereference.
9737 (dump_sra_elt_name): Handle BIT_FIELD_REFs.
9739 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
9741 * regmove.c: Fix unused variable warnings due to previous commit.
9743 2007-04-05 Steven Bosscher <steven@gcc.gnu.org>
9745 * regmove.c (STACK_GROWS_DOWNWARD): Don't boolean-ize.
9746 (regmove_bb_head): Remove.
9747 (copy_src_to_dest): Don't update regmove_bb_head and BB_HEAD.
9748 (regmove_optimize): Don't do unnecessary CFG fixes for non-existing
9749 problems with fixup_match_1.
9750 Don't initialize/free regmove_bb_head.
9752 (reg_is_remote_constant_p): If an insn is in the same basic block
9753 but not before INSN, consider it remote, too.
9755 2007-04-05 Anatoly Sokolov <aesok@post.ru>
9758 * config/avr/avr.c (avr_handle_fndecl_attribute): Use the
9759 DECL_ASSEMBLER_NAME, not the DECL_NAME.
9761 2007-04-05 H.J. Lu <hongjiu.lu@intel.com>
9763 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Reformat.
9764 (CONDITIONAL_REGISTER_USAGE): Likewise.
9766 2007-04-04 Richard Henderson <rth@redhat.com>
9768 * config/alpha/lib1funcs.asm: Remove unused file.
9770 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
9773 * opts.c (print_specific_help): Fix --help=<language>
9775 (common_handle_option): Support --help=common.
9777 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
9780 * gcc.c (main): Do not run the linker if
9781 print_subprocess_help indicates that it shouldn't be
9784 2007-04-04 Brooks Moses <brooks.moses@codesourcery.com>
9787 * doc/invoke.texi (--help=): Document <languages> value, fix
9788 formatting in tables of values.
9790 2007-04-04 Danny Smith <dannysmith.users.sourceforge.net>
9792 * config/i386/winnt-cxx.c (i386_pe_type_dllimport_p): Don't ignore
9793 dllimport attribute of virtual methods.
9795 2007-04-04 Chen Liqin <liqin@sunnorth.com.cn>
9797 * config/score/crti.asm: Change _bss_start to __bss_start.
9798 * config/score/score.h (CONDITIONAL_REGISTER_USAGE): Added.
9799 (OUTGOING_REG_PARM_STACK_SPACE) update.
9800 * config/score/score.opt: add options to make backend support
9801 score5, score5u, score7 and score7d.
9802 * config/score/score.md: Likewise.
9803 * config/score/misc.md: Likewise.
9804 * config/score/mac.md: Likewise.
9805 * doc/invoke.texi: Likewise.
9806 * doc/md.texi: update constraints define.
9808 2007-04-03 Richard Henderson <rth@redhat.com>
9810 * expr.c (store_expr): If get_signed_or_unsigned_type doesn't yield
9811 an appropriate type, use the mode instead.
9813 2007-04-03 Richard Sandiford <richard@codesourcery.com>
9815 * config.gcc (mips-wrs-vxworks): Add vx-common.h to tm_file.
9816 Set the default --with-arch setting to mips2.
9817 * config/mips/t-vxworks (MULTILIB_OPTIONS, MULTILIB_MATCHES)
9818 (MULTILIB_EXCEPTIONS): Redefine with new multilibs.
9819 (MULTILIB_OSDIRNAMES): Delete.
9820 (MULTILIB_DIRNAMES): Define.
9821 * config/mips/vxworks.h (LINK_SPEC): Add VXWORKS_LINK_SPEC.
9822 (LIB_SPEC, STARTFILE_SPEC, ENDFILE_SPEC): Define.
9823 (TARGET_OS_CPP_BUILTINS): Incorporate old SUBTARGET_CPP_SPEC
9824 definitions, except for _WRS_R3K_EXC_SUPPORT. Call
9825 VXWORKS_OS_CPP_BUILTINS.
9826 (SUBTARGET_CPP_SPEC): Redefine to VXWORKS_ADDITIONAL_CPP_SPEC.
9827 (MIPS_DEBUGGING_INFO): Undefine.
9828 (FUNCTION_PROFILER): Define to VXWORKS_FUNCTION_PROFILER.
9830 2007-04-03 Jakub Jelinek <jakub@redhat.com>
9833 * fold-const.c (native_encode_real): Encode real.c provided longs
9834 as a series of 32-bit native integers.
9835 (native_interpret_real): Interpret buffer as a series of 32-bit
9838 2007-04-03 Richard Guenther <rguenther@suse.de>
9840 * genpreds.c (write_insn_constraint_len): Write function
9841 optimized for CONSTRAINT_LEN implementation.
9842 (write_tm_preds_h): Output insn_constraint_len inline and
9843 use it for CONSTRAINT_LEN.
9844 (write_insn_preds_c): Don't output insn_constraint_len.
9845 * doc/md.texi (define_register_constraint): Document multi-letter
9846 constraints shall have the same length if they start with the same
9849 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
9852 * config/i386/i386.md (isinf<mode>2): Expand only when
9853 TARGET_C99_FUNCTIONS is set.
9855 2007-04-03 Uros Bizjak <ubizjak@gmail.com>
9857 * config.gcc (i[34567]86-*-linux*): Add i386/t-crtpc to tm-file.
9858 (x86_64-*-linux*): Ditto.
9859 * config/i386/i386.opt (mpc): New option.
9860 * config/i386/i386.c (overrride_options): Handle
9861 ix87_precision_string.
9862 * config/i386/crtprec.c: New file.
9863 * config/i386/t-crtpc: Ditto.
9864 * config/i386/linux.h (ENDFILE_SPEC): Add handling of -mpc32, -mpc64
9866 * config/i386/linux64.h (ENDFILE_SPEC): Ditto.
9867 * config/i386/t-linux64 (EXTRA_MULTILIB_PARTS): Add
9868 crtprec32.o, crtprec64.o and crtprec80.o.
9870 * doc/invoke.texi (Machine Dependent Options): Add -mpc32, -mpc64
9872 (i386 and x86-64 Options): Document -mpc32, -mpc64 and -mpc80 options.
9874 2007-04-02 Eric Christopher <echristo@apple.com>
9876 * doc/invoke.texi (i386 and x86-64 Options): Document -m64
9877 limitations on darwin.
9879 2007-04-02 Anatoly Sokolov <aesok@post.ru>
9882 * config/avr/avr.c (avr_rtx_costs): Add missing 'break' statements.
9884 2007-04-02 Dave Korn <dave.korn@artimi.com>
9886 * doc/tm.texi (FUNCTION_MODE): Update and extend documentation.
9888 2007-04-02 Dave Korn <dave.korn@artimi.com>
9890 * libgcc2.h (exception_descriptor): Don't forward-declare.
9891 (__get_eh_table_language, __get_eh_table_version): Delete
9892 prototypes of long-dead functions.
9894 2007-04-01 Daniel Berlin <dberlin@dberlin.org>
9896 * ebitmap.h: New file
9897 * ebitmap.c: New file
9898 * Makefile.in (ebitmap.o): New target.
9900 2007-04-01 Jan Hubicka <jh@suse.cz>
9902 * emit-rtl.c (emit_insn_before_setloc): Do not ICE when asked to emit
9903 before very first instruction.
9905 2007-04-01 Jan Hubicka <jh@suse.cz>
9907 * ggc-page.c (ggc_print_statistics): Fix formatting string to avoid
9908 waring on 64bit hosts.
9909 * bitmap.h: Fix typo in bitmap_head_def.
9911 2007-04-01 Steven Bosscher <steven@gcc.gnu.org>
9913 PR rtl-optimization/31391
9914 * cfgcleanup.c (try_optimize_cfg): If a removed label is turned
9915 into a DELETED_LABEL note, and the label is in an empty basic
9916 block, update BB_END as well as BB_HEAD.
9918 2007-04-01 Richard Henderson <rth@redhat.com>
9920 PR tree-optimization/31169
9921 * tree-vrp.c (extract_range_from_binary_expr) <RSHIFT_EXPR>: Drop
9922 to varying if the range is outside [0, prec-1].
9924 2007-04-01 Richard Sandiford <richard@codesourcery.com>
9927 * config/mips/mips.md (load_const_gp): New insn.
9928 * config/mips/mips.c (mips_split_symbol): Avoid using or creating
9929 the MIPS16 GP pseudo register if no_new_pseudos.
9930 (mips16_gp_pseudo_reg): Use gen_load_const_gp.
9932 2007-03-31 Andrew Pinski <andrew_pinski@playstation.sony.com>
9935 * config/rs6000/rs6000.md (call): Convert to LR hard reg for
9937 (call_value): Likewise.
9939 2007-03-31 Wolfgang Bangerth <bangerth@dealii.org>
9940 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
9943 * doc/invoke.texi: (optimization options): Reword description
9944 of -ffast-math. Document its primary purpose.
9946 2007-03-31 Richard Guenther <rguenther@suse.de>
9948 * omp-low.c (splay-tree.h): Include.
9949 (lookup_decl): Replace splay-tree usage by pointer-map.
9950 (maybe_lookup_decl): Likewise.
9951 (new_omp_context): Likewise.
9952 (delete_omp_context): Likewise.
9953 * gimplify.c (splay-tree.h): Include.
9954 * tree-inline.c (insert_decl_map): Replace splay-tree usage by
9956 (remap_ssa_name): Likewise.
9957 (remap_decl): Likewise.
9958 (remap_type_1): Likewise.
9959 (remap_type): Likewise.
9960 (copy_body_r): Likewise.
9961 (expand_call_inline): Likewise.
9962 (clone_body): Likewise.
9963 (copy_tree_r): Likewise.
9964 (remap_save_expr): Likewise.
9965 (unsave_r): Likewise.
9966 (unsave_expr_now): Likewise.
9967 (tree_function_versioning): Likewise.
9968 (build_duplicate_type): Likewise.
9969 * tree-inline.h (pointer-set.h): Include instead of splay-tree.h.
9970 (struct copy_body_data): Replace splay-tree by pointer-map.
9971 * Makefile.in (TREE_INLINE_H): Depend on pointer-map.h,
9972 not $(SPLAY_TREE_H).
9973 (gimplify.o): Depend on $(SPLAY_TREE_H).
9974 (omp-low.p): Likewise.
9976 2007-03-31 Anatoly Sokolov <aesok@post.ru>
9978 * config/avr/predicates.md (even_register_operand,
9979 odd_register_operand): New predicates.
9980 * config/avr/avr.md (movw peephole2): New.
9981 (movw_r peephole2): New.
9983 2007-03-30 Rafael Avila de Espindola <espindola@google.com>
9985 * tree.h (get_signed_or_unsigned_type): New.
9986 * fold-const.c (operand_equal_for_comparison_p): Use
9987 get_signed_or_unsigned_type instead of
9988 lang_hooks.types.signed_or_unsigned_type.
9989 * expr.c (store_expr): Ditto.
9990 * langhooks.c (get_signed_or_unsigned_type): New.
9991 (lhd_signed_or_unsigned_type): New.
9992 * langhooks.h (lhd_signed_or_unsigned_type): New.
9993 * langhooks-def.h (LANG_HOOKS_SIGNED_OR_UNSIGNED_TYPE): Define.
9995 2007-03-30 Richard Henderson <rth@redhat.com>
9997 * tree-ssa-loop-ivopts.c: Include target.h.
9998 (produce_memory_decl_rtl): Pass the rtx through encode_section_info.
9999 (get_address_cost): Force SYMBOL_FLAG_LOCAL set.
10000 (force_expr_to_var_cost): Use produce_memory_decl_rtl.
10001 * Makefile.in (tree-ssa-loop-ivopts.o): Depend on TARGET_H.
10003 2007-03-30 Richard Henderson <rth@redhat.com>
10004 Kai Tietz <kai.tietz@onevision.com>
10006 * config/i386/cygming.h (DWARF2_DEBUGGING_INFO): Enable by
10007 default for 64-bit.
10008 (PREFERRED_DEBUGGING_TYPE): Prefer dwarf2 for 64-bit.
10009 (TARGET_64BIT_MS_ABI): New.
10010 (DBX_REGISTER_NUMBER): Handle 64-bit.
10011 (SIZE_TYPE, PTRDIFF_TYPE): Use long long for 64-bit.
10012 (LONG_TYPE_SIZE): Force to 32.
10013 (REG_PARM_STACK_SPACE): New.
10014 (OUTGOING_REG_PARM_STACK_SPACE): New.
10015 (REGPARM_MAX, SSE_REGPARM_MAX): New.
10016 (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
10017 (STACK_BOUNDARY): Use 128 for 64-bit.
10018 * config/i386/cygwin.asm: Use push/ret to preserve call stack.
10019 Add 64-bit implementation.
10020 * config/i386/gthr-win32.c (__gthr_win32_key_create): Mark dtor
10022 * config/i386/i386.c (x86_64_ms_abi_int_parameter_registers): New.
10023 (override_options): Set ix86_cmodel for TARGET_64BIT_MS_ABI.
10024 Warn for -mregparm, -mrtd in 64-bit mode; force ix86_regparm
10025 for 64-bit; use TARGET_SUBTARGET64_DEFAULT.
10026 (ix86_handle_cconv_attribute): Don't warn when ignoring if
10027 TARGET_64BIT_MS_ABI.
10028 (ix86_function_arg_regno_p): Handle TARGET_64BIT_MS_ABI.
10029 (ix86_pass_by_reference): Likewise.
10030 (ix86_function_value_regno_p): Likewise.
10031 (ix86_build_builtin_va_list): Likewise.
10032 (ix86_va_start, ix86_gimplify_va_arg): Likewise.
10033 (function_arg_advance_ms_64): New.
10034 (function_arg_advance): Call it.
10035 (function_arg_ms_64): New.
10036 (function_arg): Call it.
10037 (function_value_ms_64): New.
10038 (ix86_function_value_1): Call it.
10039 (return_in_memory_ms_64): New.
10040 (ix86_return_in_memory): Call it.
10041 (setup_incoming_varargs_ms_64): New.
10042 (ix86_setup_incoming_varargs): Call it.
10043 (ix86_expand_prologue): Handle 64-bit stack probing.
10044 (legitimize_pic_address): Handle TARGET_64BIT_MS_ABI.
10045 (output_pic_addr_const): Likewise.
10046 (x86_this_parameter): Likewise.
10047 (x86_output_mi_thunk): Likewise.
10048 (x86_function_profiler): Likewise.
10049 (TARGET_STRICT_ARGUMENT_NAMING): New.
10050 * config/i386/i386.h (TARGET_SUBTARGET64_DEFAULT): New.
10051 (TARGET_64BIT_MS_ABI): New.
10052 (CONDITIONAL_REGISTER_USAGE): Handle TARGET_64BIT_MS_ABI.
10053 * config/i386/i386.md (allocate_stack_worker): Remove.
10054 (allocate_stack_worker_32): Rename from allocate_stack_worker_1;
10055 describe the clobber of eax without a match_scratch.
10056 (allocate_stack_worker_postreload): Remove.
10057 (allocate_stack_worker_64): Rename from allocate_stack_worker_rex64;
10058 describe the clobbers of rax, r10, r11 properly; use __chkstk symbol.
10059 (allocate_stack_worker_rex64_postreload): Remove.
10060 (allocate_stack): Handle 64-bit.
10061 * config/i386/i386elf (TARGET_SUBTARGET_DEFAULT): Remove.
10062 * config/i386/mingw32.h (TARGET_VERSION): Set correctly for 64-bit.
10063 (EXTRA_OS_CPP_BUILTINS): Handle 64-bit.
10064 (STANDARD_INCLUDE_DIR): Handle TARGET_64BIT_DEFAULT.
10065 (STANDARD_STARTFILE_PREFIX_1): Likewise.
10066 * config/i386/unix.h (TARGET_SUBTARGET64_DEFAULT): New.
10067 * config.build (x86_64-*-mingw*): New host.
10068 * config.host (x86_64-*-mingw*): New host.
10069 * config.gcc (x86_64-*-mingw*): New target.
10070 * gthr-win32.h (__gthread_key_create): Mark dtor unused.
10072 2007-03-30 Richard Henderson <rth@redhat.com>
10073 Kai Tietz <kai.tietz@onevision.com>
10075 * c-pragma.c (struct def_pragma_macro_value): New.
10076 (struct def_pragma_macro): New.
10077 (pushed_macro_table): New.
10078 (dpm_hash, dpm_eq): New.
10079 (handle_pragma_push_macro, handle_pragma_pop_macro): New.
10080 (init_pragma): Install them.
10081 * doc/tm.texi (HANDLE_PRAGMA_PUSH_POP_MACRO): New.
10083 2007-03-30 Anatoly Sokolov <aesok@post.ru>
10085 * config/avr/avr.c (avr_override_options): Clear
10086 'flag_delete_null_pointer_checks'.
10088 2007-03-30 Paolo Carlini <pcarlini@suse.de>
10091 * c-common.h (enum rid): Add RID_HAS_NOTHROW_ASSIGN,
10092 RID_HAS_NOTHROW_CONSTRUCTOR, RID_HAS_NOTHROW_COPY,
10093 RID_HAS_TRIVIAL_ASSIGN, RID_HAS_TRIVIAL_CONSTRUCTOR,
10094 RID_HAS_TRIVIAL_COPY, RID_HAS_TRIVIAL_DESTRUCTOR,
10095 RID_HAS_VIRTUAL_DESTRUCTOR, RID_IS_ABSTRACT, RID_IS_BASE_OF,
10096 RID_IS_CONVERTIBLE_TO, RID_IS_CLASS, RID_IS_EMPTY, RID_IS_ENUM,
10097 RID_IS_POD, RID_IS_POLYMORPHIC, RID_IS_UNION, as
10099 * doc/extend.texi (Extensions to the C++ Language): Add Type Traits.
10101 2007-03-30 Steven Bosscher <steven@gcc.gnu.org>
10103 * regmove.c: Move all of pass_stack_adjustments from here...
10104 * combine-stack-adj.c: ...to this new file.
10105 * Makefile.in: Add rules for combine-stack-adj.o.
10107 2007-03-30 Zdenek Dvorak <dvorakz@suse.cz>
10109 PR tree-optimization/31383
10110 * tree-data-ref.c (affine_function_equal_p): Do not require the
10111 vectors to have the same length.
10113 2007-03-30 Jan Hubicka <jh@suse.cz>
10115 PR middle-end/30700
10116 * dwarf2out.c (reference_to_unused): Ask cgraph for functions
10117 availablility; add more sanity checking; ask varpool only about
10120 2007-03-29 Richard Henderson <rth@redhat.com>
10122 * unwind-generic.h (_sleb128_t, _uleb128_t): Don't use HAVE_LONG_LONG
10123 to decide, but __SIZEOF_LONG_LONG__.
10125 2007-03-29 Richard Henderson <rth@redhat.com>
10127 * emutls.c (struct __emutls_array): New.
10128 (emutls_destroy): Use it instead of casting element 0 from void*.
10129 (__emutls_get_address): Likewise.
10131 2007-03-29 Richard Henderson <rth@redhat.com>
10133 * varasm.c (initializer_constant_valid_p): Don't deny
10134 DECL_DLLIMPORT_P on functions.
10136 * config/i386/cygming.h: Remove function declarations.
10137 (SUBTARGET_ENCODE_SECTION_INFO): Don't undef first.
10138 (ASM_OUTPUT_LABELREF): Remove.
10139 (COMMON_ASM_OP): Remove.
10140 (ASM_OUTPUT_COMMON): Remove.
10141 (ASM_OUTPUT_ALIGNED_DECL_COMMON): New.
10142 (ASM_DECLARE_OBJECT_NAME): Use i386_pe_maybe_record_exported_symbol.
10143 (ASM_DECLARE_FUNCTION_NAME): Likewise.
10144 * config/i386/i386-interix.h (SUBTARGET_ENCODE_SECTION_INFO):
10145 Rename from TARGET_ENCODE_SECTION_INFO.
10146 * config/i386/netware.h: Likewise.
10147 * config/i386/i386-protos.h: Update.
10148 * config/i386/i386.c (ix86_function_ok_for_sibcall): Turn ifdef
10149 of TARGET_DLLIMPORT_DECL_ATTRIBUTES into straight if.
10150 (legitimate_constant_p): Reject dllimports.
10151 (dllimport_map, get_dllimport_decl): New.
10152 (legitimize_dllimport_symbol): New.
10153 (legitimize_address, ix86_expand_move): Use it.
10154 (TARGET_BINDS_LOCAL_P): Redefine for TARGET_DLLIMPORT_DECL_ATTRIBUTES.
10155 * config/i386/i386.h (DLL_IMPORT_EXPORT_PREFIX): Remove.
10156 (SYMBOL_FLAG_DLLIMPORT, SYMBOL_REF_DLLIMPORT_P): New.
10157 (SYMBOL_FLAG_DLLEXPORT, SYMBOL_REF_DLLEXPORT_P): New.
10158 * config/i386/predicates.md (constant_call_address_operand): Only
10159 accept symbols; reject dllimport_p symbols.
10160 * config/i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Use
10161 i386_pe_maybe_record_exported_symbol.
10162 * config/i386/winnt.c (DLL_IMPORT_PREFIX, DLL_EXPORT_PREFIX): Remove.
10163 (i386_pe_determine_dllexport_p): Rename from i386_pe_dllexport_p.
10164 (i386_pe_determine_dllimport_p): Rename from i386_pe_dllimport_p;
10165 trust the setting of DECL_DLLIMPORT_P.
10166 (i386_pe_dllexport_name_p, i386_pe_dllimport_name_p): Remove.
10167 (i386_pe_mark_dllexport, i386_pe_mark_dllimport): Remove.
10168 (gen_stdcall_or_fastcall_suffix): Return NULL if no change required;
10169 tidy the argument scanning loop.
10170 (i386_pe_encode_section_info): Set SYMBOL_FLAG_DLLIMPORT and
10171 SYMBOL_FLAG_DLLEXPORT in SYMBOL_REF_FLAGS.
10172 (i386_pe_strip_name_encoding): Remove.
10173 (i386_pe_binds_local_p): New.
10174 (i386_pe_strip_name_encoding_full): Use default_strip_name_encoding.
10175 (i386_pe_output_labelref): Remove.
10176 (i386_pe_asm_output_aligned_decl_common): New.
10177 (i386_pe_maybe_record_exported_symbol): Rename from
10178 i386_pe_record_exported_symbol; check for dllexported symbols.
10180 2007-03-29 Zack Weinberg <zack@mrtock.ucsd.edu>
10182 * gengtype.c (oprintf): Mostly revert changes from 2007-03-26;
10183 add comment explaining why vsnprintf cannot be used.
10185 2007-03-29 Douglas Gregor <doug.gregor@gmail.com>
10187 PR tree-optimization/30666
10188 * tree.c (build_complex_type): When creating type names for DWARF2
10189 debug info, create TYPE_DECLs for TYPE_NAME instead of
10191 (build_common_tree_nodes_2): Use build_complex_type when building
10192 predefined complex types, to preserve canonical types.
10194 2007-03-29 Steven Bosscher <steven@gcc.gnu.org>
10196 * ifcvt.c (struct noce_if_info): Add then_else_reversed field.
10197 (noce_get_alt_condition): Look at it to determine whether to
10198 reverse the condition or not.
10199 (noce_get_condition): Substitute the truth for lies.
10200 (noce_find_if_block): Set the then_else_reversed field.
10202 2007-03-29 Lars Poeschel <larsi@wh2.tu-dresden.de>
10204 * config/fr30/fr30.md (movdi): Do not accept immediates as the
10205 destination of this insn.
10206 * config/fr30/fr30.c (fr30_move_double): Use emit_move_insn rather
10207 than calling gen_rtx_SET directly. Use r0 to hold the value of
10208 'address + 4' rather than a stack based temporary which can be
10209 mis-optimized away.
10211 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
10213 * config/s390/s390.c (s390_secondary_input_reload_class,
10214 s390_secondary_output_reload_class): Functions removed.
10215 (s390_secondary_reload): New function.
10216 (TARGET_SECONDARY_RELOAD): Target macro defined.
10217 * config/s390/s390.h (SECONDARY_INPUT_RELOAD_CLASS,
10218 SECONDARY_OUTPUT_RELOAD_CLASS): Macro definitions removed.
10219 * config/s390/s390.md ("reload_outti", "reload_outdi",
10220 "reload_indi", "reload_insi", "reload_out<mode>", "reload_in<mode>",
10221 "reload_out<mode>"): Expanders removed.
10222 ("reload<mode>_plus", "reload<mode>_nonoffmem_in",
10223 "reload<mode>_nonoffmem_out"): Expanders added.
10225 2007-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
10227 * regmove.c (optimize_reg_copy_1): Don't perform DEST->SRC repair
10228 action if SRC->DEST replacement failed anyway.
10230 2007-03-28 Mike Stump <mrs@apple.com>
10232 * config/darwin9.h (ASM_OUTPUT_ALIGNED_COMMON): Add.
10233 * config/darwin.h (MAX_OFILE_ALIGNMENT): Fix.
10234 * config/rs6000/darwin.h (ASM_OUTPUT_ALIGNED_COMMON): Removed #undef.
10236 2007-03-28 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
10238 * config.gcc: Accept barcelona as a variant of amdfam10.
10239 * config/i386/i386.c (override_options): Likewise.
10240 * doc/invoke.texi: Likewise.
10242 2007-03-28 Eric Botcazou <ebotcazou@adacore.com>
10244 * tree-dfa.c (get_ref_base_and_extent): Do not expect positive
10245 offsets for BIT_FIELD_REF and COMPONENT_REF.
10247 2007-03-28 Richard Guenther <rguenther@suse.de>
10249 * tree.c (is_global_var): Move ...
10250 * tree-flow-inline.h (is_global_var): ... here.
10251 * tree.h (is_global_var): Remove declaration.
10253 2007-03-28 Uros Bizjak <ubizjak@gmail.com>
10255 * config/i386/i386.h (X86_TUNE_PROMOTE_HIMODE_IMUL): New tuning
10257 (TARGET_TUNE_PROMOTE_HIMODE_IMUL): New define. Use new tuning option.
10258 * config/i386/i386.c (ix86_tune_features): Initialize new
10260 * config/i386/predicates.md (promotable_binary_operator): Use
10261 TARGET_TUNE_PROMOTE_HIMODE_IMUL.
10263 2007-03-28 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10266 * config/i386/sse.md (uminv16qi3): Use UMIN instead of UMAX.
10268 2007-03-28 Lars Poeschel <larsi@wh2.tu-dresden.de>
10270 * config/fr30/fr30.md (movsi_internal): Change destination
10271 constraint from m to V and add m to the end.
10273 2007-03-28 Christian Bruel <christian.bruel@st.com>
10275 * config/sh/sh.md (movsi_i): Fix type attribute.
10277 2007-03-28 Christian Bruel <christian.bruel@st.com>
10279 * config/sh/sh.md (movsi_ie): Fix memory constraints attribute length.
10280 (movsf_ie): Likewise.
10282 2007-03-28 Christian Bruel <christian.bruel@st.com>
10284 * config.gcc: Add sh4-300 to multilib.
10285 * config/sh/t-mlib-sh4-300: New file.
10287 2007-03-28 Andreas Krebbel <krebbel1@de.ibm.com>
10289 * config/s390/s390.md ("fix_trunc<mode>di2"): New expander.
10290 ("fix_trunc<DFP:mode>di2_dfp"): New insn definition renamed from
10291 fix_trunc<mode>di2.
10292 ("fixuns_truncdddi2", "fixuns_trunctddi2"): Use
10293 fix_trunc<DFP:mode>di2_dfp instead of fix_trunc<mode>di2.
10294 ("fix_truncdfsi2", "fix_truncsfsi2", "fixuns_truncdddi2",
10295 "fixuns_trunctddi2"): Whitespace fix.
10297 2007-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
10299 * config/sh/sh.h (CALL_COOKIE_RET_TRAMP_SHIFT): Move after
10300 the definition of struct sh_args.
10301 (CALL_COOKIE_RET_TRAMP, CALL_COOKIE_STACKSEQ_SHIFT,
10302 CALL_COOKIE_INT_REG_GET): Likewise.
10304 2007-03-28 Steven Bosscher <steven@gcc.gnu.org>
10306 * ifcvt.c (cond_exec_find_if_block): Return FALSE if no
10307 transformations are applied successfully.
10309 2007-03-27 Douglas Gregor <doug.gregor@gmail.com>
10311 * tree.c (tree_contains_struct): Permit 512 tree codes.
10312 * tree.h (tree_contains_struct): Ditto.
10313 (MAX_TREE_CODES): Ditto.
10314 (struct tree_base): Make CODE 16 bits, instead of 8 bits. Add
10315 SPARE member to store remaining padding bits.
10317 2007-03-27 Anatoly Sokolov <aesok@post.ru>
10319 * config/avr/avr.c (avr_mcu_types): Move at90usb82 device to 'avr4'
10322 2007-03-27 Janis Johnson <janis187@us.ibm.com>
10324 * configure.ac: Fix assembler test for powerpc*-linux decimal float.
10325 * configure: Regenerate.
10327 * configure: Regenerate using the correct version of autoconf.
10329 2007-03-27 Anatoly Sokolov <aesok@post.ru>
10331 * config/avr/avr.c (avr_hard_regno_mode_ok): Disallow QImode in stack
10333 * config/avr/avr.h (REGISTER_NAMES): Rename "__SPL__" and "__SPH__"
10334 regs to "__SP_L__" and "__SP_H__".
10336 2007-03-27 Richard Guenther <rguenther@suse.de>
10338 * tree-dfa.c (get_ref_base_and_extent): Replace bit_offset and
10339 computations with it with a HOST_WIDE_INT variable.
10341 2007-03-26 Mike Stump <mrs@apple.com>
10343 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Add
10344 objective-c-header, objective-c++-header and objc++-cpp-output
10346 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
10348 2007-03-26 Richard Henderson <rth@redhat.com>
10351 * config/i386/i386.c (IX86_BUILTIN_PSLLDQ128, IX86_BUILTIN_PSLLW128,
10352 IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128, IX86_BUILTIN_PSRAW128,
10353 IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128, IX86_BUILTIN_PSRLD128,
10354 IX86_BUILTIN_PSRLQ128): New.
10355 (ix86_init_mmx_sse_builtins): Add them.
10356 (ix86_expand_builtin): Expand them.
10357 * config/i386/sse.md (ashr<mode>3, lshr<mode>3, ashl<mode>3): Make
10358 operand 2 be TImode.
10359 * config/i386/emmintrin.h (_mm_slli_epi64, _mm_srai_epi16,
10360 _mm_srai_epi32, _mm_srli_epi16, _mm_srli_epi32,
10361 _mm_srli_epi64): Mark __B const.
10362 (_mm_srli_si128, _mm_srli_si128): Fix disabled inline versions.
10363 (_mm_sll_epi16, _mm_sll_epi32, _mm_sll_epi64, _mm_sra_epi16,
10364 _mm_sra_epi32, _mm_srl_epi16, _mm_srl_epi32, _mm_srl_epi64): Use
10365 new two-vector shift builtins.
10367 2007-03-26 Ian Lance Taylor <iant@google.com>
10369 PR tree-optimization/31345
10370 * tree-vrp.c (extract_range_from_binary_expr): Turn ranges like
10371 [+INF, +INF(OVF)] into VARYING.
10373 2007-03-26 Zack Weinberg <zackw@panix.com>
10375 * gengtype-parse.c: New file.
10376 * gengtype-yacc.y: Delete.
10377 * gengtype-lex.l: Don't include gengtype-yacc.h.
10378 Define YY_DECL and yyterminate appropriately for recursive
10379 descent parser. yylval is now a string out-parameter to yylex.
10380 (HWS, EOID): New shorthand.
10381 (IWORD): Add a couple more types.
10382 (yylex): Add a setup stanza. Remove the complex rules for
10383 detecting GTY'ed types and typedefs; replace with simple
10384 keyword detectors. Adjust everything for the changed
10385 definition of yylval. Ignore all pp-directives, not just #define.
10387 (parse_file): Rename yybegin; do not call yyparse.
10389 * gengtype.c (xasprintf): Export again.
10390 (this_file): New. Use everywhere __FILE__ was being used.
10391 (get_lang_bitmap): Special case types defined in gengtype.c.
10392 (do_typedef, new_structure): Suppress definition of certain types.
10393 (new_structure): Improve diagnostics of duplicate definitions.
10394 Make sure location_s is associated with input.h.
10395 (nreverse_pairs, define_location_structures): New functions.
10396 (main): Improve tagging of kludge types. Remove old kludges
10397 for input.h types; use define_location_structures.
10398 * gengtype.h: Update prototypes. Define token codes here.
10399 * Makefile.in: Remove all references to gengtype-yacc.
10400 Add rules for gengtype-parse.o. Adjust rules for gengtype-lex.o
10402 * bitmap.h (struct bitmap_head_def): Coalesce definitions,
10403 add GTY((skip)) to the field that's only conditionally there.
10404 * doc/install.texi: Document that Bison is no longer required
10405 unless building treelang.
10407 * gengtype.c: Don't include gtyp-gen.h.
10408 (srcdir): Declare here.
10409 (base_files, lang_dir_names): Allocate dynamically.
10410 (gt_files, num_gt_files, num_lang_dirs): New globals.
10411 (measure_input_list, read_input_line, read_input_list)
10412 (set_lang_bitmap): New functions.
10413 (get_base_file_bitmap): Rename get_lang_bitmap and drastically
10414 simplify, relying on read_input_list to set up the bitmaps.
10415 (main): Arguments are no longer unused. Check for correct number
10416 of command line arguments, set srcdir and srcdir_len, then call
10417 read_input_list, before doing anything else. No need to worry
10418 about duplicates in main loop.
10419 * configure.ac: Simplify the calculation of all_gtfiles.
10420 Put language tags in there. Don't set or substitute
10421 all_gtfiles_files_langs or all_gtfiles_files_frags.
10422 * Makefile.in: Revamp the way gengtype is invoked, now that it
10423 takes a file on its command line with a much simpler format.
10424 Remove or replace with gtyp-input.list all references to gtyp-gen.h.
10425 (GTFILES): Remove duplicates and C source files.
10426 * c-config-lang.in, cp/config-lang.in, objc/config-lang.in
10427 * objcp/config-lang.in: Add c-pragma.h to gtfiles.
10428 * configure: Regenerate.
10430 * gengtype.h: Remove all type definitions to gengtype.c; leave
10431 only definitions of options_p, type_p, and pair_p as opaque
10432 pointers. Update prototypes.
10433 * gengtype.c: Many type definitions moved here from gengtype.h.
10434 Consolidate type definitions at the top of the file.
10435 (xvasprintf): Delete.
10436 (xasprintf): Make static.
10437 (create_nested_pointer_option): Add 'next' parameter.
10438 (create_field_all, create_field_at): New functions.
10439 (create_field): Now a thin wrapper around create_field_all.
10440 (create_optional_field): Rename create_optional_field_ and add
10441 line argument. Original name is now a macro which supplies
10443 (oprintf): Use vsnprintf directly.
10444 (close_output_files): Use fatal rather than perror/exit.
10445 (note_def_vec, note_def_vec_alloc): Use create_field_at.
10446 (main): Set progname. Don't use exit.
10447 * gengtype-yacc.y (struct_fields): Use create_field_at.
10448 (option, optionseqopt): Delete.
10449 (optionseq): Consolidate productions from option here so we
10450 can use the first argument to create_option.
10452 * gengtype-lex.l: Distinguish unions from structures in the
10453 token type. Don't call find_structure; return the tag as a string.
10454 * gengtype-yacc.y: Add new token types ENT_TYPEDEF_UNION and
10455 ENT_UNION. Type of these, ENT_TYPEDEF_STRUCT, and ENT_STRUCT is
10456 string. Reorganize typedef_struct production accordingly.
10457 Use create_nested_ptr_option.
10458 * gengtype.c (create_nested_ptr_option): New function.
10459 * gengtype.h: Declare it.
10461 * gengtype.h (struct type): Replace 'sc' with boolean, scalar_is_char.
10462 (string_type): Don't declare.
10463 (do_scalar_typedef): Declare.
10464 (create_scalar_type): Update prototype.
10465 * gengtype.c (string_type): Make static.
10466 (scalar_nonchar, scalar_char): New.
10467 (do_scalar_typedef): Export. Always use scalar_nonchar for the type.
10468 (resolve_typedef): Use scalar_nonchar for error recovery.
10469 (create_scalar_type): Remove name_len field. Return scalar_char
10470 or scalar_nonchar as appropriate.
10471 (adjust_field_type): Look at scalar_is_char boolean to decide whether
10472 to use string_type.
10473 (throughout): Use scalar_nonchar instead of calling
10474 create_scalar_type, whenever possible.
10475 (main): Initialize scalar_char and scalar_nonchar before calling
10477 * gengtype-lex.l: Adjust for removal of second argument to
10478 create_scalar_type. Use yylval.s instead of yylval.t when
10480 * gengtype-yacc.y: Type of SCALAR is string. Call
10481 create_scalar_type from type:SCALAR rule. Adjust for removal of
10482 second argument to create_scalar_type.
10484 * vec.h: Remove all #if IN_GENGTYPE blocks.
10485 Add comment saying that changes may require adjustments to gengtype.
10486 * gengtype.c: Don't include coretypes.h or tm.h.
10487 Add comment to inclusion of errors.h.
10488 (note_def_vec, note_def_vec_alloc): New functions.
10489 * gengtype.h: Declare new functions.
10490 * gengtype-lex.l: Don't include coretypes.h.
10491 (YY_INPUT, macro_input, push_macro_expansion, mangle_macro_name):
10493 (update_lineno): Remove unnecessary prototype.
10494 (DEF_VEC_* rules): Simplify using note_def_vec / note_def_vec_alloc.
10495 (VEC rule): Just return VEC_TOKEN.
10496 * gengtype-yacc.y (VEC_TOKEN): New token type.
10497 (type): Add a production for VEC(a,b).
10498 * Makefile.in: Update dependencies.
10500 * gengtype-lex.l: Remove rules for parsing pointer-to-function
10501 typedefs that use the old PARAMS macro.
10503 * gengtype-lex.l: Remove all rules and states relating to yacc
10505 * gengtype-yacc.y: Similarly.
10506 * gengtype.c (note_yacc_type): Delete function.
10507 * gengtype.h: Update prototypes.
10509 2007-03-26 Joseph Myers <joseph@codesourcery.com>
10511 * tree-pretty-print.c (dump_generic_node): Report precision of
10512 unnamed integer types.
10514 2007-03-26 Steven Bosscher <steven@gcc.gnu.org>
10516 * ifcvt.c (noce_try_store_flag_constants): Don't check
10517 no_new_pseudos here.
10518 (noce_try_store_flag_constants): Don't check no_new_pseudos.
10519 (noce_try_addcc, noce_try_store_flag_mask, noce_try_cmove_arith,
10520 noce_try_cmove_arith, noce_try_minmax, noce_try_abs,
10521 noce_try_sign_mask): Likewise.
10522 (if_convert): Check no_new_pseudos here.
10524 (cond_exec_process_if_block, noce_process_if_block, find_if_block):
10526 (struct noce_if_info): Add then_bb, else_bb, join_bb members.
10527 (noce_get_condition): Handle new then_else_reversed argument.
10528 (noce_init_if_info): Remove, fold into noce_find_if_block.
10529 (noce_process_if_block): Take a struct noce_if_info as the
10530 argument. Don't set up one based on ce_if_info. Update pointer
10531 references accordingly.
10532 (cond_move_process_if_block): Likewise.
10533 (process_if_block): Removed.
10534 (find_if_block): Removed. Move functionality two new functions,
10535 noce_find_if_block and cond_exec_find_if_block.
10536 (noce_find_if_block): New function. Be aware of IF-THEN-JOIN
10537 blocks and the symmetric IF-ELSE-JOIN case.
10538 (cond_exec_find_if_block): Also new function mostly based on old
10539 find_if_block and process_if_block.
10540 (find_if_header): Replace find_if_block call with separately
10541 guarded calls to noce_find_if_block and cond_exec_find_if_block.
10542 (find_cond_trap): Update noce_get_condition call.
10543 (dead_or_predicable): Likewise.
10545 2007-03-26 Jakub Jelinek <jakub@redhat.com>
10547 * config/i386/i386.c (IX86_BUILTIN_CMPNEPD, IX86_BUILTIN_CMPNESD):
10549 (IX86_BUILTIN_PSLLW128, IX86_BUILTIN_PSLLD128, IX86_BUILTIN_PSLLQ128,
10550 IX86_BUILTIN_PSRAW128, IX86_BUILTIN_PSRAD128, IX86_BUILTIN_PSRLW128,
10551 IX86_BUILTIN_PSRLD128, IX86_BUILTIN_PSRLQ128): Remove.
10552 (ix86_init_mmx_sse_builtins): Remove v8hi_ftype_v8hi_v2di and
10553 v4si_ftype_v4si_v2di. Remove __builtin_ia32_psllw128,
10554 __builtin_ia32_pslld128, __builtin_ia32_psllq128,
10555 __builtin_ia32_psrlw128, __builtin_ia32_psrld128,
10556 __builtin_ia32_psrlq128, __builtin_ia32_psraw128 and
10557 __builtin_ia32_psrad128 builtins.
10559 2007-03-26 Uros Bizjak <ubizjak@gmail.com>
10561 * reg-stack.c (replace_reg): Use IN_RANGE macro in gcc_assert().
10562 * config/i386/constraints.md
10563 (define_constraint "I"): Use IN_RANGE macro.
10564 (define_constraint "J"): Ditto.
10565 (define_constraint "K"): Ditto.
10566 (define_constraint "M"): Ditto.
10567 (define_constraint "N"): Ditto.
10568 (define_constraint "O"): Ditto.
10569 * config/i386/predicates.md
10570 (define_predicate "register_no_elim_operand"): Use IN_RANGE macro.
10571 (define_predicate "const_0_to_3_operand"): Ditto.
10572 (define_predicate "const_0_to_7_operand"): Ditto.
10573 (define_predicate "const_0_to_15_operand"): Ditto.
10574 (define_predicate "const_0_to_63_operand"): Ditto.
10575 (define_predicate "const_0_to_255_operand"): Ditto.
10576 (define_predicate "const_1_to_31_operand"): Ditto.
10577 (define_predicate "const_2_to_3_operand"): Ditto.
10578 (define_predicate "const_4_to_7_operand"): Ditto.
10580 2007-03-25 David Edelsohn <edelsohn@gnu.org>
10582 * config/rs6000/rs6000.c (rs6000_emit_prologue): Always clobber LR
10583 in SImode for save_world.
10584 * config/rs6000/altivec.md (save_world, restore_world): Convert to
10587 2007-03-25 Dorit Nuzman <dorit@il.ibm.com>
10589 PR tree-optimization/30784
10590 * fold-const.c (fold_ternary): Handle CONSTRUCTOR in case
10593 2007-03-25 Revital Eres <eres@il.ibm.com>
10595 * tree-if-conv.c (if_convertible_gimple_modify_stmt_p):
10596 Fold movement_possibility function into it.
10598 2007-03-25 David Edelsohn <edelsohn@gnu.org>
10600 * config/rs6000/darwin.md (load_macho_picbase): Ignore operand 0.
10601 (load_macho_picbase_{si,di}): Convert to LR hard reg.
10602 (call_indirect_nonlocal_darwin64): Same.
10603 (call_nonlocal_darwin64): Same.
10604 (call_value_indirect_nonlocal_darwin64): Same.
10605 (call_value_nonlocal_darwin64): Same.
10606 (sibcall_nonlocal_darwin64): Same.
10607 (sibcall_value_nonlocal_darwin64): Same.
10608 (sibcall_symbolic_64): Same.
10609 (sibcall_value_symbolic_64): Same.
10610 * config/rs6000/rs6000.c (rs6000_legitimize_tls_address): Remove
10612 (rs6000_emit_load_toc_table): Same.
10613 * config/rs6000/altivec.md (restore_world): Convert to LR hard reg.
10614 * config/rs6000/rs6000.md (mulh_call): Convert to LR hard reg.
10616 (divss_call): Same.
10617 (divus_call): Same.
10618 (quoss_call): Same.
10619 (quous_call): Same.
10620 (load_toc_v4_pic_si): Same
10621 (load_toc_v4_PIC_1): Same.
10622 (load_toc_v4_PIC_1b): Same.
10623 (call_indirect_aix{32,64}): Same.
10624 (call_value_indirect_aix{32,64}): Same.
10626 (call_value): Same.
10627 (call_local{32,64}): Same.
10628 (call_value_local{32,64}): Same.
10629 (call_indirect_nonlocal_aix{32,64}): Same.
10630 (call_nonlocal_aix{32,64}): Same.
10631 (call_value_indirect_nonlocal_aix{32,64}): Same.
10632 (call_value_nonlocal_aix{32,64}): Same.
10633 (call_indirect_nonlocal_sysv<mode>): Same.
10634 (call_nonlocal_sysv<mode>): Same.
10635 (call_value_indirect_nonlocal_sysv<mode>): Same.
10636 (call_value_nonlocal_sysv<mode>): Same.
10638 (sibcall_local{32,64}): Same.
10639 (sibcall_value_local{32,64}): Same.
10640 (sibcall_nonlocal_aix{32,64}): Same.
10641 (sibcall_value_nonlocal_aix{32,64}): Same.
10642 (sibcall_nonlocal_sysv<mode>): Same.
10643 (sibcall_value): Same.
10644 (sibcall_value_nonlocal_sysv<mode>): Same.
10646 2007-03-24 Paul Brook <paul@codesourcery.com>
10648 * config/arm/lib1funcs.asm (div0): Use ARM_FUNC_START and do_push.
10649 * config/arm/linux-eabi.h: Remove legacy syscall hack.
10651 2007-03-24 Richard Henderson <rth@redhat.com>
10653 * config/ia64/constraints.md: New file.
10654 * config/ia64/predicates.md: Replace CONST_OK_FOR_? with
10655 satisfies_constraint_?.
10656 * config/ia64/ia64.c (ia64_move_ok, ia64_legitimate_constant_p,
10657 ia64_reload_gp, spill_restore_mem, ia64_expand_prologue,
10658 ia64_expand_epilogue, ia64_split_return_addr_rtx, ia64_rtx_costs,
10659 ia64_output_mi_thunk): Likewise.
10660 (ia64_const_ok_for_letter_p): Remove.
10661 (ia64_const_double_ok_for_letter_p): Remove.
10662 (ia64_extra_constraint): Remove.
10663 * config/ia64/ia64.h (REG_CLASS_FROM_LETTER): Remove.
10664 (CONST_OK_FOR_I, CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L,
10665 CONST_OK_FOR_M, CONST_OK_FOR_N, CONST_OK_FOR_O, CONST_OK_FOR_P,
10666 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_G,
10667 CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT,
10668 EXTRA_MEMORY_CONSTRAINT): Remove.
10669 * config/ia64/ia64.md: Include constriants.md. Replace
10670 CONST_OK_FOR_? with satisfies_constraint_?.
10672 2007-03-23 Michael Meissner <michael.meissner@amd.com>
10673 H.J. Lu <hongjiu.lu@intel.com>
10675 * config/dfp-bit.h (DPD_BID_NAME): New macro to give either the
10677 (name macros): Use DPD_BID_NAME to convert names properly.
10679 * optabs.c (DECIMAL_PREFIX): Prefix string to use for the current
10680 decimal floating point format.
10681 (init_floating_libfuncs): Change decimal functions so that they
10682 have a "bid_" prefix if the decimal system uses the BID format,
10683 and "dpd_" prefix if the decimal system uses the DPD format.
10684 (init_interclass_conv_libfuncs): Ditto.
10685 (init_intraclass_conv_libfuncs): Ditto.
10687 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
10688 using the BID format.
10690 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
10691 whether we are using the BID decimal format.
10692 * configure: Regenerate.
10694 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
10695 the compiler has decimal floating point enabled. Define
10696 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
10699 * config.in (ENABLE_DECIMAL_BID_FORMAT): New macro to say we are
10700 using the BID format.
10702 * configure.ac (ENABLE_DECIMAL_BID_FORMAT): Set to 1/0 to say
10703 whether we are using the BID decimal format.
10704 * configure: Regenerate.
10706 * c-cppbuiltin.c (c_cpp_builtins): Define __STDC_WANT_DEC_FP__ if
10707 the compiler has decimal floating point enabled. Define
10708 __DECIMAL_BID_FORMAT__ if BID decimal floating point is used
10711 * doc/install.texi (--enable-decimal-float): Document BID and DPD
10712 options, and that it is enabled for i386/x86_64 systems.
10714 * Makefile.in (enable_decimal_float): New.
10716 (DECNUMINC): Add -I$(DECNUMFMT).
10717 (DECNUM_H): Mov decimal32.h, decimal64.h and decimal128.h
10718 to $(DECNUMFMT) from $(DECNUM).
10720 * configure.ac: Support * --enable-decimal-float={no,yes,bid,dpd}.
10721 Substitute enable_decimal_float.
10722 * configure: Regenerated.
10725 * config/dfp-bit.c (__dec_byte_swap): Use uint32_t instead of
10728 * configure.ac: Enable decimal float for x86_64-*-linux*.
10729 * configure: Regenerated.
10732 * dfp.c (decimal_real_arithmetic): Use decimal128FlipSign and
10733 decimal128ClearSign to flip and clear the sign bit in decimal128.
10734 (decimal_real_maxval): Set decimal128SetSign to set the sign
10737 2007-03-23 Ian Lance Taylor <iant@google.com>
10739 * fold-const.c (fold_binary): Correct warning for X - c >= X.
10741 2007-03-23 Ian Lance Taylor <iant@google.com>
10743 * tree-dump.c (dump_files): Correct comment.
10745 2007-03-23 Ian Lance Taylor <iant@google.com>
10747 * tree-vrp.c (operand_less_p): Ignore fold overflow warnings.
10749 2007-03-23 Steven Bosscher <steven@gcc.gnu.org>
10751 * tracer.c (tracer): Don't take FLAGS argument. Assert we are
10752 in cfglayout mode. Don't go into and out of cfglayout mode.
10753 Link the blocks in the order of the constructed traces.
10754 (rest_of_handle_tracer): Adjust call to tracer.
10755 * loop-init.c (rtl_loop_init): Assert we are in cfglayout mode.
10756 Don't go into cfglayout mode.
10757 (rtl_loop_done): Don't go out of cfglayout mode.
10758 * cfglayout.c (relink_block_chain): New function, split out from...
10759 (fixup_reorder_chain): ...here. Remove redundant checking.
10760 (cfg_layout_finalize): Don't clear the header, footer, and aux
10761 fields here, move the code to do so to relink_block_chain. Likewise
10762 for free_original_copy_tables.
10763 * rtl.h (tracer): Update prototype.
10764 * bb-reorder.c (reorder_basic_blocks): Don't take FLAGS argument.
10765 Assert we are in cfglayout mode. Don't go into and out of cfglayout
10766 mode. Use relink_block_chain to serialize the CFG according to the
10767 new basic block order. Move targetm.cannot_modify_jumps_p check from
10769 (gate_handle_reorder_blocks): ...to here.
10770 (duplicate_computed_gotos): Move targetm.cannot_modify_jumps_p check
10772 (gate_duplicate_computed_gotos): ...to here.
10773 (rest_of_handle_reorder_blocks): Don't see if anything has changed,
10774 something always changes when going into and out of cfglayout mode.
10775 Perform an expensive cfg cleanup while going into cfglayout mode.
10776 Always update liveness information on HAVE_conditional_execution
10777 targets. Reserialize the basic blocks and go out of cfglayout mode.
10778 * reg-stack.c: Include cfglayout.h.
10779 (rest_of_handle_stack_regs): Go into and out of cfglayout mode around
10780 the call to reorder_basic_blocks.
10781 * basic-block.h (reorder_basic_blocks): Update prototype.
10782 (relink_block_chain): New prototype.
10783 * passes.c (pass_outof_cfg_layout_mode): Move after cse2.
10785 2007-03-23 Joseph Myers <joseph@codesourcery.com>
10787 * config/mips/mips.md (type, hazard, *movdi_32bit,
10788 *movdi_gp32_fp64, *movdi_64bit, *movsi_internal, movcc,
10789 *movhi_internal, *movqi_internal, *movsf_hardfloat,
10790 *movdf_hardfloat_64bit, *movdf_hardfloat_32bit, *movdf_softfloat,
10791 movv2sf_hardfloat_64bit, load_df_low, load_df_high, store_df_high,
10792 mthc1, mfhc1): Change xfer instruction type to mfc and mtc, as
10794 (movcc): Change first xfer to multi.
10795 * config/mips/24k.md, config/mips/4100.md, config/mips/4300.md,
10796 config/mips/5000.md, config/mips/5400.md, config/mips/5500.md,
10797 config/mips/5k.md, config/mips/7000.md, config/mips/9000.md,
10798 config/mips/generic.md: Change reservations using "xfer" to use
10800 * config/mips/sb1.md (ir_sb1_mtxfer): Use "mtc" instead of
10801 using match_operand.
10802 (ir_sb1_mfxfer): Use "mfc" instead of using match_operand.
10803 * config/mips/sr71k.md (ir_sr70_xfer_from): Use "mfc" instead of
10805 (ir_sr70_xfer_to): Use "mtc" instead of examining mode.
10807 2007-03-22 Richard Henderson <rth@redhat.com>
10809 * config/i386/i386.c: Remove unnecessary function declarations.
10810 Move targetm definition, and all related macros, to the end of
10811 the file. Resort some functions to put definitions before uses.
10812 (ix86_attribute_table): Make static. Move to end of file.
10813 (ix86_gimplify_va_arg): Make static.
10815 2007-03-22 Richard Henderson <rth@redhat.com>
10817 * config/i386/i386.c (ix86_function_regparm): Early exit for 64-bit;
10818 don't increase local_regparm with force_align_arg_pointer check.
10819 (ix86_function_sseregparm): Assert 32-bit.
10820 (type_has_variadic_args_p): New.
10821 (ix86_return_pops_args): Early exit for 64-bit. Reindent; use
10822 type_has_variadic_args_p.
10823 (ix86_function_arg_regno_p): Use == 0 instead of ! test for eax.
10824 (init_cumulative_args): Remove TARGET_DEBUG_ARG. Remove zero_cum;
10825 use memset instead. Do maybe_vaarg check first; skip attribute
10826 tests if true; skip attribute tests for 64-bit.
10827 (construct_container): Remove TARGET_DEBUG_ARG.
10828 (function_arg_advance_32, function_arg_advance_64): Split out ...
10829 (function_arg_advance): ... from here.
10830 (function_arg_32, function_arg_64): Split out ...
10831 (function_arg): ... from here.
10832 (ix86_pass_by_reference): Tidy.
10833 (ix86_function_value_regno_p): Rearrange w/ switch on regno.
10834 (function_value_32): New, from parts of ix86_function_value
10835 and ix86_value_regno.
10836 (function_value_64): New, from parts of ix86_function_value
10837 and ix86_libcall_value.
10838 (ix86_function_value_1): New.
10839 (ix86_function_value, ix86_libcall_value): Use it.
10840 (return_in_memory_32, return_in_memory_64): Split out ...
10841 (ix86_return_in_memory): ... from here.
10842 (ix86_struct_value_rtx): Skip for 64-bit.
10843 (ix86_libcall_value, ix86_value_regno): Remove.
10844 (setup_incoming_varargs_64): Split out ...
10845 (ix86_setup_incoming_varargs): ... from here.
10846 (ix86_va_start): Remove TARGET_DEBUG_ARG.
10847 (legitimate_address_p, legitimize_address): Remove TARGET_DEBUG_ADDR.
10848 * config/i386/i386-protos.h (ix86_function_value): Remove.
10849 * config/i386/i386.opt (TARGET_DEBUG_ADDR, TARGET_DEBUG_ARG): Remove.
10851 2007-03-22 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
10854 * c-lex.c (interpret_float): On overflow, emit pedantic warning if
10855 infinities not supported, otherwise emit warning if -Woverflow. On
10856 underflow, emit warning if -Woverflow.
10857 * real.c (real_from_string): Return -1 if underflow, +1 if overflow
10859 * real.h (real_from_string): Update declaration
10861 2007-03-22 Kai Tietz <kai.tietz@onevision.com>
10862 Richard Henderson <rth@redhat.com>
10864 * defaults.h (OUTGOING_REG_PARM_STACK_SPACE): Provide default.
10865 * calls.c (compute_argument_block_size, expand_call,
10866 emit_library_call_value_1): Don't ifdef OUTGOING_REG_PARM_STACK_SPACE.
10867 * expr.c (block_move_libcall_safe_for_call_parm): Likewise.
10868 * function.c (STACK_DYNAMIC_OFFSET): Likewise.
10869 * doc/tm.texi (OUTGOING_REG_PARM_STACK_SPACE): Update.
10870 * config/alpha/unicosmk.h, config/bfin/bfin.h, config/iq2000/iq2000.h,
10871 config/mips/mips.h, config/mn10300/mn10300.h, config/mt/mt.h,
10872 config/pa/pa.h, config/rs6000/rs6000.h, config/score/score.h,
10873 config/spu/spu.h, config/v850/v850.h (OUTGOING_REG_PARM_STACK_SPACE):
10876 2007-03-22 Joseph Myers <joseph@codesourcery.com>
10878 * c-incpath.c (add_sysroot_to_chain): New.
10879 (merge_include_chains): Add sysroot argument. Call
10880 add_sysroot_to_chain if sysrooted.
10881 (register_include_chains): Update call to merge_include_chains.
10882 * doc/cppopts.texi: Document use of '=' in include directory
10885 2007-03-22 Uros Bizjak <ubizjak@gmail.com>
10887 * config/i386/i386.md (cmp<mode>): Rename from cmpsf and cmpdf.
10888 Macroize expander using SSEMODEF mode macro. Use SSE_FLOAT_MODE_P.
10889 (*cmpfp_<mode>): Rename from *cmpfp_sf and *cmpfp_df. Macroize
10890 insn pattern using X87MODEF12 mode macro.
10892 2007-03-21 Seongbae Park <seongbae.park@gmail.com>
10894 * regmove.c (regmove_optimize): Use reg_mentioned_p
10895 instead of reg_overlap_mentioned_p for DST.
10897 2007-03-21 Mike Stump <mrs@apple.com>
10899 * c.opt: Fixup for Objective-C/C++.
10901 2007-03-21 Steve Ellcey <sje@cup.hp.com>
10903 * explow.c (convert_memory_address): Fold memory reference when
10904 POINTERS_EXTEND_UNSIGNED < 0
10906 2007-03-21 Richard Henderson <rth@redhat.com>
10909 * config/i386/emmintrin.h (__m128i, __m128d): Mark may_alias.
10910 * config/i386/mmintrin.h (__m64): Likewise.
10911 * config/i386/xmmintrin.h (__m128): Likewise.
10913 2007-03-21 Richard Sandiford <richard@codesourcery.com>
10915 * config/vxworks.h (VXWORKS_ADDITIONAL_CPP_SPEC): Remove -D options.
10916 (VXWORKS_OS_CPP_BUILTINS): Define.
10917 * config/i386/vxworks.h (VXWORKS_CPU_DEFINE): Fold into...
10918 (TARGET_OS_CPP_BUILTINS): ...here. Use VXWORKS_OS_CPP_BUILTINS.
10920 2007-03-21 Richard Sandiford <richard@codesourcery.com>
10922 * rtl.h (constant_pool_reference_p): Delete.
10923 (find_constant_src): Declare.
10924 * rtlanal.c (find_constant_src): New function.
10925 * simplify-rtx.c (constant_pool_reference_p): Delete.
10926 * config/i386/i386.md: Use find_constant_src instead of
10927 constant_pool_reference_p/avoid_constant_pool_reference pairs.
10929 2007-03-21 Richard Sandiford <richard@codesourcery.com>
10931 * doc/invoke.texi (-fpie, -fPIE): Document __pie__ and __PIE__.
10932 * c-cppbuiltin.c (c_cpp_builtins): Define them.
10934 2007-03-20 Mark Mitchell <mark@codesourcery.com>
10936 * config/arm/elf.h (TARGET_ASM_DESTRUCTOR): Define.
10937 * config/arm/arm.c (arm_elf_asm_cdtor): New function.
10938 (arm_elf_asm_constructor): Use it.
10939 (arm_elf_asm_destructor): New function.
10941 2007-03-20 Bernd Schmidt <bernd.schmidt@analog.com>
10943 * jump.c (mark_jump_label): Treat SEQUENCE specially.
10945 2007-03-20 Nathan Sidwell <nathan@codesourcery.com>
10947 * config/vxlib.c (tls_delete_hook): Use TCB for kernel tasks.
10949 2007-03-19 Andrew Haley <aph@redhat.com>
10951 PR tree-optimization/31264
10952 * tree-vrp.c (register_edge_assert_for_1): Don't look though
10953 VIEW_CONVERT_EXPRs.
10955 2007-03-19 Paolo Bonzini <bonzini@gnu.org>
10957 PR rtl-optimization/30907
10958 * fwprop.c (forward_propagate_into): Never propagate inside a loop.
10959 (fwprop_init): Always call loop_optimizer_initialize.
10960 (fwprop_done): Always call loop_optimizer_finalize.
10961 (fwprop): We always have loop info now.
10962 (gate_fwprop_addr): Remove.
10963 (pass_fwprop_addr): Use gate_fwprop as gate.
10965 PR rtl-optimization/30841
10966 * df-problems.c (df_ru_local_compute, df_rd_local_compute,
10967 df_chain_alloc): Call df_reorganize_refs unconditionally.
10968 * df-scan.c (df_rescan_blocks, df_reorganize_refs): Change
10969 refs_organized to refs_organized_size.
10970 (df_ref_create_structure): Use refs_organized_size instead of
10971 bitmap_size if refs had been organized, and keep refs_organized_size
10973 * df.h (struct df_ref_info): Change refs_organized to
10974 refs_organized_size.
10975 (DF_DEFS_SIZE, DF_USES_SIZE): Use refs_organized_size instead of
10978 2007-03-19 Mark Mitchell <mark@codesourcery.com>
10980 * except.c (output_function_exception_table): Do not reference the
10981 EH personality routine for functions that do not require an
10984 2007-03-20 Jakub Jelinek <jakub@redhat.com>
10987 * c-typeck.c (convert_for_assignment): Call comptypes for
10988 RECORD_TYPE or UNION_TYPE.
10990 PR inline-asm/30505
10991 * reload1.c (reload): Do invalid ASM checking after
10992 cleanup_subreg_operands.
10994 2007-03-19 Jeff Law <law@redhat.com>
10996 * tree-cfg.c (find_taken_edge): Tighten conditions for
10997 optimizing computed gotos.
10999 2007-03-19 Michael Matz <matz@suse.de>
11001 * builtins.c (expand_builtin_sync_operation,
11002 expand_builtin_compare_and_swap,
11003 expand_builtin_lock_test_and_set): Care for extending CONST_INTs
11006 * config/i386/sync.md (sync_double_compare_and_swapdi_pic,
11007 sync_double_compare_and_swap_ccdi_pic): Use "SD" as constraint
11010 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
11012 * doc/tm.texi: Add brackets around the return type of
11013 TARGET_SECONDARY_RELOAD.
11015 2007-03-19 Andrew Pinski <andrew_pinski@playstation.sony.com>
11016 Richard Guenther <rguenther@suse.de>
11018 PR tree-optimization/31254
11019 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1):
11020 Use handled_component_p () where appropriate. Continue
11021 propagating into the rhs if we propagated into an INDIRECT_REF
11024 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
11026 * config/s390/s390.md (op_type attribute): RRR instruction type added.
11027 (FP, DFP, SD_SF, DD_DF, TD_TF): New mode macros.
11028 (xde, xdee): Mode attributes adjusted to support DFP modes.
11029 (RRer, f0, op1, Rf, bt, bfp, HALF_TMODE): New mode attributes added.
11030 ("cmp<mode>", "*cmp<mode>_css_0", "*cmp<mode>_ccs", TF move splitters,
11031 DF move splitters, "floatdi<mode>2", "add<mode>3", "*add<mode>3",
11032 "*add<mode>3_cc", "*add<mode>3_cconly", "sub<mode>3", "*sub<mode>3",
11033 "*sub<mode>3_cc", "*sub<mode>3_cconly", "mul<mode>3", "*mul<mode>3",
11034 "div<mode>3", "*div<mode>3", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
11035 "*negabs<mode>2_nocc", "copysign<mode>3"): Adjusted to support DFP
11037 ("*movtf_64", "*movtf_31", "*movdf_64dfp", "*movdf_64", "*movdf_31",
11038 "movsf"): Insn definitions removed.
11039 ("*mov<mode>_64", "*mov<mode>_31", "mov<mode>", "*mov<mode>_64dfp",
11040 "*mov<mode>_64", "*mov<mode>_31", "fix_trunc<DFP:mode>di2",
11041 "trunctddd2", "truncddsd2", "extendddtd2", "extendsddd2"): Insn
11043 ("fixuns_truncdddi2", "fixuns_trunctddi2", "mov<mode>",
11044 "reload_in<mode>", "reload_out<mode>"): Expander added.
11045 ("movtf", "movdf", "reload_outtf", "reload_outdf", "reload_intf"):
11048 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
11050 * config/s390/s390.md: Only non-functional changes. Renamed
11051 FPR mode macro to BFP all over the file.
11053 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
11055 * config/s390/s390.md (UNSPEC_COPYSIGN): New constant.
11056 (op_type attribute): RRF instruction type added.
11057 (fT0): New mode attribute.
11058 ("*movdi_64dfp", "*movdf_64dfp", "*neg<mode>2_nocc", "*abs<mode>2_nocc",
11059 "*negabs<mode>2_nocc", "copysign<mode>3"): Insn definitions added.
11060 * config/s390/s390.h (SECONDARY_MEMORY_NEEDED): Due to a new
11061 instruction no secondary memory is needed when moving DFmode values
11062 between GPRs and FPRs.
11064 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
11066 * config/s390/s390.opt ("mhard-float", "msoft-float"): Bit value
11067 inverted and documentation adjusted.
11068 ("mhard-dfp", "msoft-dfp"): New options.
11069 * config/s390/s390.c (s390_handle_arch_option): New architecture
11071 (override_options): Sanity checks for the new options added.
11072 * config.gcc: New architecture switch: z9-ec.
11073 * config/s390/s390.h (processor_flags): PF_DFP added.
11074 (TARGET_CPU_DFP, TARGET_DFP): Macro definitions added.
11075 (TARGET_DEFAULT): Due to the s390.opt changes hard float is enabled
11076 when the bit is NOT set so remove it from the defaults.
11078 2007-03-19 Andreas Krebbel <krebbel1@de.ibm.com>
11080 * genemit.c (main): Print include statement for dfp.h.
11081 * dfp.h (decimal_real_arithmetic): Hide prototype if tree_code enum
11084 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
11086 * config/cris/t-elfmulti (EXTRA_MULTILIB_PARTS): Do not define here.
11088 2007-03-19 Kaz Kojima <kkojima@gcc.gnu.org>
11091 * config/sh/sh.c (sh_adjust_cost): Use the result of single_set
11092 instead of PATTERN.
11094 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11096 * pa.c (output_deferred_plabels, output_bb, output_millicode_call,
11097 attr_length_call, output_call, output_indirect_call): Cleanup
11098 formatting of targetm calls.
11100 2007-03-19 Hans-Peter Nilsson <hp@axis.com>
11102 * config/cris/cris.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define to 1.
11104 2007-03-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11106 * pa.md: Add fpstore_load and store_fpload instruction types. Provide
11107 reservation, bypass and anti-bypass descriptions for these
11108 instructions. Update move patterns.
11109 * pa.c (hppa_fpstore_bypass_p): Check for both TYPE_FPSTORE_LOAD and
11112 2007-03-18 Dorit Nuzman <dorit@il.ibm.com>
11114 * tree-vect-transform.c (get_initial_def_for_induction): Replace
11115 GET_MODE_NUNITS with TYPE_VECTOR_SUBPARTS.
11116 (get_initial_def_for_reduction): Likewise.
11118 2007-03-16 Daniel Berlin <dberlin@dberlin.org>
11120 Fix PR tree-optimization/29922
11121 * tree-ssa-pre.c (bb_bitmap_sets): Remove RVUSE_* members.
11122 (get_representative): Removed.
11123 (value_dies_in_block_x): Update for rvuse removal.
11124 (valid_in_sets): Update for renaming of vuses_dies_in_block_x.
11125 (compute_antic_aux): Handle when PHI nodes appear in
11126 non-single-successors.
11127 (dump_bitmap_of_names): Removed.
11128 (compute_antic_safe): Renamed and removed rvuse calculation.
11129 Calculate only antic safe.
11130 (insert_into_preds_of_block): Remove assert.
11131 (execute_pre): Update for renamed functions.
11132 (defer_or_phi_translate_block): New function.
11134 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
11136 * config/arm/arm.c, config/arm/thumb2.md, config/m68k/m68k.c,
11137 config/spu/spu.c, omega.h, passes.c, predict.c: Fix comment
11139 * doc/cpp.texi, doc/extend.texi, doc/invoke.texi: Fix typos.
11140 Follow spelling conventions.
11142 * tree-data-ref.h: Remove the prototype for analyze_array.
11144 2007-03-17 Dorit Nuzman <dorit@il.ibm.com>
11146 PR tree-optimization/31041
11147 * tree-vect-transform.c (get_initial_def_for_induction): Call
11148 force_gimple_operand.
11150 2007-03-17 Olga Golovanevsky <olga@il.ibm.com>
11152 * ipa-type-escape.c (look_for_casts) : Revert code to use
11153 handled_component_p due to ada test a-numaux.adb.
11155 2007-03-17 Kazu Hirata <kazu@codesourcery.com>
11157 * final.c (final_scan_insn): Alter the condition of a
11158 conditional trap if we have nonstandard CC.
11160 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
11162 * configure.ac: Remove excess quoting from asm line 0 test.
11163 * configure: Rebuilt.
11165 2007-03-16 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11167 * doc/invoke.texi (-Wconversion): Document warnings specific to C++.
11168 * c-common.c (convert_and_check): Move warning logic to...
11169 (warnings_for_convert_and_check): ...here. Define.
11170 * c-common.h (warnings_for_convert_and_check): Declare.
11172 2007-03-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11174 * pa.c (attr_length_call): Partially revert change of 2007-03-09.
11175 (output_call): Likewise.
11177 2007-03-16 Richard Sandiford <richard@codesourcery.com>
11179 * config/vxworks.h (SUPPORTS_INIT_PRIORITY): Define.
11181 2007-03-16 Richard Sandiford <richard@codesourcery.com>
11183 * config/vx-common.h (WINT_TYPE, WINT_TYPE_SIZE): Define.
11185 2007-03-16 Uros Bizjak <ubizjak@gmail.com>
11187 * config/i386/i386.c (override_options): Add PTA_NO_SAHF to k8,
11188 opteron, athlon-64 and athlon-fx processor_alias_table entries.
11190 2007-03-16 Sebastian Pop <sebastian.pop@inria.fr>
11192 PR tree-optimization/31183
11193 * tree-loop-linear.c (gather_interchange_stats, try_interchange_loops):
11194 Use double_int instead of unsigned int for representing access_strides.
11195 * testsuite/gcc.dg/tree-ssa/pr31183.c: New.
11197 2007-03-16 Richard Guenther <rguenther@suse.de>
11199 PR tree-optimization/31146
11200 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Restructure
11201 to allow recursion of forward_propagate_addr_expr.
11202 (forward_propagate_addr_into_variable_array_index): Likewise.
11203 (forward_propagate_addr_expr): Likewise.
11204 (tree_ssa_forward_propagate_single_use_vars): Likewise.
11205 (forward_propagate_addr_expr_1): Recurse on simple copies
11206 instead of propagating into them. Do so for useless conversions
11208 (forward_propagate_addr_expr): Clean up unused statements after
11211 2007-03-16 Richard Guenther <rguenther@suse.de>
11213 * builtins.c (expand_builtin_cexpi): Use the right argument
11214 for the expansion via cexp.
11216 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
11218 * configure.ac: Don't require ELF binutils to tolerate # 0 "".
11219 * configure: Rebuilt.
11221 2007-03-16 Alexandre Oliva <aoliva@redhat.com>
11224 * dwarf2out.c (force_type_die): Adjust comment.
11225 (dwarf2out_imported_module_or_decl): Handle base AT_import types.
11227 2007-03-15 DJ Delorie <dj@redhat.com>
11229 * config/frv/predicates.md (minmax_operator): Don't check operands
11232 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
11234 * tree-ssa-loop-niter.c (record_estimate): Add "upper" argument.
11235 Update constant estimates of number of iterations.
11236 (record_nonwrapping_iv): Add "upper" argument. "data_size_bounds_p"
11237 argument renamed to "realistic".
11238 (compute_estimated_nb_iterations): Removed.
11239 (record_niter_bound): New function.
11240 (idx_infer_loop_bounds): For possible but unlikely tail arrays,
11241 call record_nonwrapping_iv with upper = false.
11242 (infer_loop_bounds_from_signedness): Pass upper argument to
11243 record_nonwrapping_iv.
11244 (estimate_numbers_of_iterations_loop): Do not call
11245 compute_estimated_nb_iterations. Record estimate based on profile
11246 information. Initialize the constant estimates of number of
11248 * tree-data-ref.c (estimated_loop_iterations): Return the recorded
11250 * tree-ssa-loop-prefetch.c (loop_prefetch_arrays): Add dump when
11251 number of iterations is too small.
11252 * cfgloop.h (struct nb_iter_bound): Remove "realistic" field.
11253 (EST_NOT_AVAILABLE): Removed.
11254 (struct loop): Replace estimated_nb_iterations by any_upper_bound,
11255 nb_iterations_upper_bound, any_estimate and nb_iterations_estimate
11258 2007-03-15 Zdenek Dvorak <dvorakz@suse.cz>
11260 * tree-ssa-loop-niter.c (refine_bounds_using_guard, bound_difference):
11261 Handle NE_EXPR guards.
11263 2007-03-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11266 * c-opts.c (c_common_post_options): Handle C++ post-processing here.
11267 Set also -pedantic-errors by default for the preprocessor unless
11268 -fpermissive is given.
11270 2007-03-15 Richard Guenther <rguenther@suse.de>
11272 PR middle-end/29719
11273 PR middle-end/31161
11274 * builtins.c (expand_builtin_cexpi): As a fallback if we
11275 don't have builtins for sincos or cexp create a function
11276 declaration for cexp and expand to a call to that.
11277 (expand_builtin_int_roundingfn): Always fall
11278 back to floor/ceil and its variants even if they may be
11281 2007-03-15 Steven Bosscher <steven@gcc.gnu.org>
11283 PR middle-end/31159
11284 * cfglayout.c (fixup_reorder_chain): Postpone deleting dead
11285 jump tables, move the call to delete_dead_jumptables from here...
11286 (cfg_layout_finalize): ...to here. But rebuild jump labels first.
11287 * cfgrtl.c (cfg_layout_can_merge_blocks_p): When not optimizing,
11288 don't allow merging of blocks that try_redirect_by_replacing_jump
11289 also does not handle when not optimizing.
11291 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
11292 Francois-Xavier Coudert <coudert@clipper.ens.fr>
11294 * config/i386/i386.md (x86_sahf_1): Correctly handle
11297 2007-03-15 Uros Bizjak <ubizjak@gmail.com>
11300 * config/i386/i386.md (*addti3_1, *addti3_1 splitter): Use
11301 x86_64_general_operand as operand[2] predicate. Remove "iF"
11302 from operand constraints and use "e" constraint instead.
11303 (*subti3_1, *subti3_1 splitter): Ditto.
11304 (*negti2_1, *negti2_1 splitter): Use nonimmediate_operand as
11305 operand[1] predicate.
11307 2007-03-14 Sebastian Pop <sebastian.pop@inria.fr>
11309 * tree-loop-linear.c (gather_interchange_stats): For multidimensional
11310 arrays, multiply the access strides by the size of the sub-array.
11311 * testsuite/gcc.dg/tree-ssa/ltrans-5.c: New.
11313 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
11315 * configure.ac (HAVE_AS_IX86_SAHF): On x86 targets check whether
11316 the configured assembler supports the sahf mnemonic.
11317 * configure: Regenerate.
11318 * config.in: Regenerate.
11320 * config/i386/i386.md (x86_sahf_1): Depending on HAVE_AS_IX86_SAHF,
11321 emit "sahf" or ".byte\t0x9e" as asm template.
11323 2007-03-14 Michael Meissner <michael.meissner@amd.com>
11326 * config/i386/i386.h (X86_TUNE_SHORTEN_X87_SSE): New tuning
11327 option to replace hard coded TARGET_xxx in md file.
11328 (X86_TUNE_AVOID_VECTOR_DECODE): Ditto.
11329 (X86_TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
11330 (X86_TUNE_SLOW_IMUL_IMM8): Ditto.
11331 (X86_TUNE_MOVE_M1_VIA_OR): Ditto.
11332 (X86_TUNE_NOT_UNPAIRABLE): Ditto.
11333 (X86_TUNE_NOT_VECTORMODE): Ditto.
11334 (TUNE_SHORTEN_X87_SSE): Use new tuning option.
11335 (TUNE_AVOID_VECTOR_DECODE): Ditto.
11336 (TUNE_SLOW_IMUL_IMM32_MEM): Ditto.
11337 (TUNE_SLOW_IMUL_IMM8): Ditto.
11338 (TUNE_MOVE_M1_VIA_OR): Ditto.
11339 (TUNE_NOT_UNPAIRABLE): Ditto.
11340 (TUNE_NOT_VECTORMODE): Ditto.
11342 * config/i386/i386.c (ix86_tune_features): Fill in new tuning
11345 * config/i386/i386.md (fix_trunc?f?1_sse peephole2): Use new
11346 tuning options instead of hard coded TARGET_xxx.
11347 (fix ssemode peephole2's): Ditto.
11348 (imul peephole2's): Ditto.
11350 (movdi_or_rex64): Ditto.
11351 (move peephole2): Ditto.
11352 (not peephole2's): Ditto.
11354 2007-03-14 Dirk Mueller <dmueller@suse.de>
11356 * c-common.h (empty_body_warning): Rename to empty_if_body_warning.
11357 * c-common.c (empty_if_body_warning): Rephrase diagnostic message.
11358 * c-parser.c (c_parser_if_body): Always add an empty statement in case
11360 * c-parser.c (c_parser_do_statement): Warn about empty body in
11361 do/while statement.
11362 * c-typeck (c_finish_if_stmt): Call empty_if_body_warning.
11363 * doc/invoke.texi (-Wempty-body): Update documentation.
11365 2007-03-14 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
11368 * c-common.h (warn_for_div_by_zero): Declare.
11369 * c-common.c (warn_for_div_by_zero): Define.
11370 * c-typeck.c (build_binary_op): Call warn_for_div_zero instead of
11373 2007-03-14 Richard Sandiford <richard@codesourcery.com>
11375 * Makefile.in (PREPROCESSOR_DEFINES): Add directory terminators
11376 to PREFIX and STANDARD_PREFIX.
11378 2007-03-14 Richard Sandiford <richard@codesourcery.com>
11379 Phil Edwards <phil@codesourcery.com>
11381 * gthr-vxworks.h: Add an extern "C" wrapper for C++.
11382 (__gthread_once_t): Remove busy field for RTPs.
11383 (__GTHREAD_ONCE_INIT): Update accordingly.
11385 2007-03-14 Richard Sandiford <richard@codesourcery.com>
11387 * doc/invoke.texi: Document VxWorks options.
11389 2007-03-14 Uros Bizjak <ubizjak@gmail.com>
11391 * doc/invoke.texi (i386 and x86-64 Options): Clarify -msahf option.
11393 2007-03-13 Seongbae Park <seongbae.park@gmail.com>
11395 PR tree-optimization/30590
11396 * tree-nrv.c (tree_nrv): Check for the partial update of the
11399 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
11401 * flags.h (flag_random_seed): Remove declaration, in favor of...
11402 * toplev.h (get_random_seed, set_random_seed): ... these.
11403 * tree.c (get_file_function_name): Use the former.
11404 * opts.c (common_handle_option): Use the latter.
11407 2007-03-13 Steven Bosscher <steven@gcc.gnu.org>
11409 PR middle-end/31127
11410 * cse.c (cse_find_path): Do not bail out if a basic block that
11411 we already visited now becomes part of a path that starts at a
11412 different basic block. Just disallow this, to make sure we
11413 visit each basic block at most once.
11415 2007-03-13 Jan Hubicka <jh@suse.cz>
11417 * ipa-inline.c (cgraph_maybe_hot_edge_p): Look for hot/cold
11418 attributes, when profile esitmate is present, calls with very low
11419 frequency are cold.
11421 2007-03-13 Zdenek Dvorak <dvorakz@suse.cz>
11423 PR tree-optimization/30730
11424 PR tree-optimization/26900
11425 * tree-ssa-loop-niter.c: Include gmp.h.
11426 (bounds): New type.
11427 (mpz_set_double_int, get_type_bounds, mpz_to_double_int,
11428 split_to_var_and_offset, determine_value_range,
11429 bound_difference_of_offsetted_base, refine_bounds_using_guard,
11430 bound_difference, bounds_add, bounds_negate,
11431 number_of_iterations_ne_max, dump_affine_iv): New functions.
11432 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
11433 assert_loop_rolls_lt, assert_loop_rolls_le): Use bounds on the
11434 difference of initial and final value of control iv to validate
11436 (number_of_iterations_cond): Add loop parameter. Determine bounds
11437 on the difference of the extremes of the control iv. Add dumps.
11438 (expand_simple_operations): Handle phi nodes.
11439 (simplify_using_initial_conditions): Do not record used conditions.
11440 (number_of_iterations_exit): Pass loop to number_of_iterations_cond.
11441 Do not set additional_info.
11442 (implies_nonnegative_p, implies_ge_p): Removed.
11443 (derive_constant_upper_bound): Do not use parameter `additional'.
11444 (record_estimate): Parameter `additional' removed. Parameter
11445 `i_bound' added. Do not call derive_constant_upper_bound.
11446 (record_nonwrapping_iv): Use derive_constant_upper_bound to
11447 bound the number of iterations estimate.
11448 (estimate_numbers_of_iterations_loop): Pass the estimate from
11449 the number of iterations analysis to record_estimate.
11450 * tree.h (multiple_of_p): Declare.
11451 * tree-scalar-evolution.c (expression_expensive_p): Removed.
11452 (scev_const_prop): Do not check expression_expensive_p.
11453 * fold-const.c (multiple_of_p): Exported.
11454 * double-int.c (double_int_mask): Exported.
11455 * double-int.h (double_int_mask): Declare.
11456 * tree-flow.h (struct tree_niter_desc): Removed additional_info
11457 field. Added max field.
11459 2007-03-13 David Taylor <taylor@candd.org>
11462 * gcc.c (cpp_unique_options): If -MT or -MQ is seen, don't pass
11465 2007-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11468 * pa.md (vdepi_ior): Don't allow zero length deposit. Likewise for
11469 two unamed patterns.
11471 2007-03-13 Uros Bizjak <ubizjak@gmail.com>
11473 * config/i386/i386.opt (mcx16, msahf): New options.
11474 * config/i386/i386.c (x86_cmpxchg16b, x86_sahf): Remove.
11475 (ix86_tune_features) [X86_TUNE_USE_SAHF]: Enable for m_GENERIC.
11477 * config/i386/driver-i386.c (bit_LAHF_LM): New define.
11478 (host_detect_local_cpu): Detect cx16 and lahf_lm cpuid bits.
11479 Output -mcx16 and -msahf options when corresponding bit is set.
11481 * doc/invoke.texi (i386 and x86-64 Options): Document -mcx16
11482 and -msahf options.
11484 2007-03-13 Alexandre Oliva <aoliva@redhat.com>
11486 * configure.ac: Test for assembler tolerance to # 0 "".
11487 * configure, config.in: Rebuilt.
11488 * final.c (final_scan_insn): Emit it if HAVE_AS_LINE_ZERO.
11490 2007-03-13 Geoffrey Keating <geoffk@apple.com>
11492 * doc/invoke.texi (Spec Files): Update for '%{,' spec.
11494 * config/rs6000/darwin-fallback.c: Compile file only on powerpc.
11495 (handle_syscall): Handle direct system calls.
11496 * config/rs6000/darwin.h (HAS_MD_FALLBACK_FRAME_STATE_FOR): Delete.
11498 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
11500 * doc/invoke.texi: Fix cpp.info cross-reference.
11501 * doc/passes.texi: Fix gcc.info cross-reference.
11503 2007-03-12 Zdenek Dvorak <dvorakz@suse.cz>
11505 PR tree-optimization/30835
11506 * lambda-code.c (can_convert_to_perfect_nest): Check whether
11507 bb_for_stmt is not NULL before accessing it.
11509 2007-03-12 Joseph Myers <joseph@codesourcery.com>
11511 * gcc.c (main): Handle target_sysroot_hdrs_suffix being NULL for
11514 2007-03-12 Brooks Moses <brooks.moses@codesourcery.com>
11517 * doc/install.texi: Document --enable-stage1-languages
11519 2007-03-12 Steven Bosscher <steven@gcc.gnu.org>
11521 * tree-pass.h (pass_into_cfg_layout_mode,
11522 pass_outof_cfg_layout_mode): Declare.
11523 * cfglayout.c (into_cfg_layout_mode, outof_cfg_layout_mode,
11524 pass_into_cfg_layout_mode, pass_outof_cfg_layout_mode): New.
11525 * passes.c (pass_into_cfg_layout_mode): Schedule before jump2.
11526 (pass_outof_cfg_layout_mode): Schedule after pass_rtl_ifcvt.
11528 2007-03-12 Seongbae Park <seongbae.park@gmail.com>
11530 * c-decl.c (warn_variable_length_array): New function.
11531 Refactored from grokdeclarator to handle warn_vla
11532 and handle unnamed array case.
11533 (grokdeclarator): Refactored VLA warning case.
11534 * c.opt (Wvla): New flag.
11535 * doc/invoke.texi (Wvla): New warning.
11537 2007-03-12 Richard Henderson <rth@redhat.com>
11539 * config/alpha/alpha.c (alpha_elf_section_type_flags): New.
11540 (TARGET_SECTION_TYPE_FLAGS): New.
11542 2007-03-12 Richard Henderson <rth@redhat.com>
11544 * config/darwin.c (machopic_reloc_rw_mask): New.
11545 * config/darwin-protos.h (machopic_reloc_rw_mask): Declare.
11546 * config/darwin.h (TARGET_ASM_RELOC_RW_MASK): New.
11548 2007-03-12 Mark Mitchell <mark@codesourcery.com>
11550 * cppdefault.c (cpp_EXEC_PREFIX): New variable.
11551 * cppdefault.h (cpp_PREFIX): Document.
11552 (cpp_PREFIX_len): Likewise.
11553 (cpp_EXEC_PREFIX): New variable.
11554 * Makefile.in (PREPROCESSOR_DEFINES): Add STANDARD_EXEC_PREFIX.
11555 * c-incpath.c (add_standard_paths): Correct logic for relocating
11556 paths within prefix.
11558 2007-03-12 Uros Bizjak <ubizjak@gmail.com>
11560 * config/i386/i386.md (fixuns_trunc<mode>hi2): Implement from
11561 fixuns_truncsfhi2 and fixuns_truncdfhi2 using SSEMODEF
11563 (fix_trunc<mode>di_sse): Implement from fix_truncsfdi_sse and
11564 fix_truncdfdi_sse using SSEMODEF mode macro.
11565 (fix_trunc<mode>si_sse): Implement from fix_truncsfsi_sse and
11566 fix_truncdfsi_sse using SSEMODEF mode macro.
11567 (fix_trunc?f?i_sse peephole2): Implement using SSEMODEF mode macro.
11568 (fix_trunc?f?i_sse K8 peephole2): Fix register constraint.
11570 2007-03-12 Richard Sandiford <richard@codesourcery.com>
11572 * config.gcc (i[4567]86-wrs-vxworks, i[4567]86-wrs-vxworksae): Add
11573 elfos.h to tm_file.
11575 2007-03-12 Olga Golovanevsky <olga@il.ibm.com>
11577 * tree.h : Add multiple_of_p declaration.
11578 * fold-const.c (multiple_of_p): Make multiple_of_p public.
11579 * ipa-type-escape.c (results_of_malloc): Redundant.
11580 (visited_stmts): New. Visited stmt for walk_use_def_chains.
11581 (cast_type): Extended with new members.
11582 (check_cast): Returns cast_type.
11583 (cast): New structure for data of walk_use_def_chains.
11584 (is_malloc_result, is_cast_from_non_pointer_1,
11585 is_cast_from_non_pointer,
11586 is_array_access_through_pointer_and_index): New functions.
11587 (look_for_casts): Returns cast types.
11588 (check_call): Returns void.
11589 (okay_pointer_operation): Use support of pointer plus index,
11590 pointer plus constant and allow all multiplications.
11592 2007-03-11 Richard Guenther <rguenther@suse.de>
11594 PR tree-optimization/31115
11595 * tree-vrp.c (extract_range_from_binary_expr): Make sure
11596 the shift count is positive and non-anti-range for RSHIFT_EXPR.
11597 A shift count of zero is not special as with *_DIV_EXPR.
11598 (vrp_int_const_binop): Handle RSHIFT_EXPR for determining overflow
11601 2007-03-11 Ian Lance Taylor <iant@google.com>
11603 * tree-vrp.c (vrp_int_const_binop): Handle PLUS_EXPR and
11604 the *_DIV_EXPR codes correctly with overflow infinities.
11606 2007-03-11 Ira Rosen <irar@il.ibm.com>
11608 * tree-data-ref.c (analyze_offset): Add a return value (bool) to
11609 indicate success/failure of the analysis. Add negation to subtrahend
11610 in case of subtraction. Fail if both operands contain constants.
11611 (create_data_ref): Fail if analyze_offset fails.
11613 2007-03-11 Uros Bizjak <ubizjak@gmail.com>
11615 * config/i386/i386.md (frndintxf2): Rename to ...
11616 (rintxf2): ... this. Remove expander having same name.
11617 (rintsf2, rintdf2): Implement using SSEMODEF macro.
11618 (roundsf2, rounddf2): Ditto.
11619 (lrint<mode>di2, lrint<mode>si2): Implement using SSEMODEI24 macro.
11620 (lround<mode>di2, lround<mode>si2): Ditto.
11622 2007-03-11 Steven Bosscher <steven@gcc.gnu.org>
11624 * lower-subreg.c: Include except.h.
11625 (decompose_multiword_subregs): Verify that the only control flow
11626 insns we can split are loads to multi-words pseudos.
11627 Handle breaking such blocks after splitting, instead of calling
11628 find_many_sub_basic_blocks.
11630 * loop-unroll.c (split_edge_and_insert): Don't set BB_SUPERBLOCK
11631 on the new basic block. Add a lengthy comment explaining why we
11632 thought this was necessary.
11633 * cfglayout.c (cfg_layout_finalize): Don't break superblocks.
11635 2007-03-10 Mark Mitchell <mark@codesourcery.com>
11638 * tree.c (walk_type_fields): Recurse into the element type of
11639 ARRAY_TYPEs if there is a pointer set.
11641 2007-03-10 Dirk Mueller <dmueller@suse.de>
11643 * c-common.c (warn_logical_operator): Fix condition.
11645 2007-03-10 Tobias Schl�ter <tobi@gcc.gnu.org>
11647 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Add missing
11649 * config/darwin.c (machopic_select_section): Remove superfluous
11650 argument in call to categorize_decl_for_section. Remove unused
11653 2007-03-10 Joseph Myers <joseph@codesourcery.com>
11655 * configure.ac (glibc_header_dir): Set using with_build_sysroot if
11657 * configure: Regenerate.
11659 2007-03-10 Uros Bizjak <ubizjak@gmail.com>
11662 * config/i386/i386.md (UNSPEC_C2_FLAG): New constant.
11663 (fpremxf4_i387, fprem1xf4_i387): Use UNSPEC_C2_FLAG.
11664 (fmodxf3, fmod<mode>3, remainderxf3, remainder<mode>3):
11665 Add LABEL_NUSES to emitted label.
11666 * config/i386/i386.c (ix86_emit_fp_unordered_jump): Add
11667 branch probability value to emitted jump insn.
11668 * reg-stack.c (subst_stack_regs_pat)[UNSPEC]: Handle UNSPEC_C2_FLAG.
11669 Do not check life information and do not re-arrange input operands
11670 for UNSPEC_FSCALE_EXP, UNSPEC_FPREM_U and UNSPEC_FPREM1_U.
11672 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
11674 * config/sh/sh.c (sh_insn_length_adjustment): Adjust for
11675 the change of decode_asm_operands.
11677 2007-03-10 Kaz Kojima <kkojima@gcc.gnu.org>
11679 * mode-switching.c (create_pre_exit): Skip blockage insn.
11681 2007-03-09 Diego Novillo <dnovillo@redhat.com>
11683 * tree-pass.h (TODO_update_smt_usage): Remove.
11685 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Remove
11689 2007-03-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11691 * pa.c (attr_length_call): Revise condition for long
11692 pc-relative branch.
11693 (output_call): Use "LONG_PIC_SDIFF" instruction sequence for long
11694 local calls on the SOM target. Don't use "LONG_PIC_PCREL" call
11695 sequence on SOM target.
11697 2007-03-09 Geoffrey Keating <geoffk@apple.com>
11699 * gcc.c: Document %{, in big comment at top.
11700 (input_suffix_matches): Remove special handling for .s and
11702 (input_spec_matches): New.
11703 (handle_braces): Handle %{,.
11704 (validate_switches): ',' indicates a value which is not a switch.
11705 * config/alpha/osf.h (ASM_FINAL_SPEC): Use %{, rather than %{.
11706 to detect assembler input.
11707 * config/i386/sol2.h (CPP_SPEC): Likewise.
11708 * config/rs6000/sysv4.h (ASM_SPEC): Likewise.
11709 * config/rs6000/vxworks.h (ASM_SPEC): Likewise.
11710 * config/rs6000/lynx.h (ASM_SPEC): Likewise.
11711 * config/rs6000/linux64.h (ASM_SPEC_COMMON): Likewise.
11712 * config/i386/darwin.h (DARWIN_MINVERSION_SPEC): Objective-C plus
11713 -m64 causes deployment target to default to 10.5.
11714 * config/rs6000/darwin.h (DARWIN_MINVERSION_SPEC): Likewise.
11716 2007-03-09 Richard Henderson <rth@redhat.com>
11719 * target.h (targetm.asm.out.reloc_rw_mask): New.
11720 * target-def.h (TARGET_ASM_RELOC_RW_MASK): New.
11721 (TARGET_ASM_OUT): Use it.
11722 * targhooks.c, targhooks.h (default_reloc_rw_mask): New.
11723 * varasm.c (categorize_decl_for_section): Remove shlib argument;
11724 use the new reloc_rw_mask target hook instead.
11725 (default_section_type_flags_1): Merge into...
11726 (default_section_type_flags): ... here.
11727 (decl_readonly_section_1): Merge into...
11728 (decl_readonly_section): ... here.
11729 (default_elf_select_section_1): Merge into...
11730 (default_elf_select_section): ... here.
11731 (default_unique_section_1): Merge into...
11732 (default_unique_section): ... here.
11733 (compute_reloc_for_rtx_1, compute_reloc_for_rtx): New.
11734 (default_select_rtx_section): Use it.
11735 (default_elf_select_rtx_section): Likewise.
11736 * output.h: Update to match.
11737 * doc/tm.texi (TARGET_ASM_RELOC_RW_MASK): New.
11738 * config/alpha/alpha.c (alpha_elf_reloc_rw_mask): New.
11739 (TARGET_ASM_RELOC_RW_MASK): New.
11740 * config/i386/i386.c (x86_64_elf_select_section): Adjust call
11741 to categorize_decl_for_section.
11742 (x86_64_elf_unique_section): Likewise.
11743 * config/ia64/hpux.h (TARGET_ASM_SELECT_SECTION,
11744 TARGET_ASM_UNIQUE_SECTION, TARGET_ASM_SELECT_RTX_SECTION): Remove.
11745 (TARGET_ASM_RELOC_RW_MASK): New.
11746 * config/ia64/ia64.c (ia64_rwreloc_select_section,
11747 ia64_rwreloc_unique_section, ia64_rwreloc_select_rtx_section): Remove.
11748 (ia64_hpux_reloc_rw_mask, ia64_reloc_rw_mask): New.
11749 (TARGET_RWRELOC): Remove.
11750 (ia64_section_type_flags): Adjust call to default_section_type_flags.
11751 * config/ia64/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
11752 * config/rs6000/rs6000.c (rs6000_elf_section_type_flags): Remove.
11753 (rs6000_elf_select_section, rs6000_elf_unique_section): Remove.
11754 (rs6000_elf_reloc_rw_mask, rs6000_xcoff_reloc_rw_mask): New.
11755 (rs6000_xcoff_select_section): Use decl_readonly_section.
11756 (rs6000_xcoff_section_type_flags): Use default_section_type_flags.
11757 * config/rs6000/sysv4.h (TARGET_ASM_RELOC_RW_MASK): New.
11758 (TARGET_ASM_SELECT_SECTION, TARGET_ASM_UNIQUE_SECTION): Remove.
11759 (TARGET_SECTION_TYPE_FLAGS): Remove.
11760 * config/rs6000/xcoff.h (TARGET_ASM_RELOC_RW_MASK): New.
11762 2007-03-09 Roger Sayle <roger@eyesopen.com>
11764 * fold-const.c (fold_comparison): Remove compile-time evaluation of
11765 complex constant equality/inequality comparisons for here.
11766 (fold_binary) <EQ_EXPR>: Simplify complex comparisons that are
11767 known at compile-time or can be simplified to a scalar comparison.
11768 (fold_relational_const): Move compile-time evaluation of complex
11769 constant equality/inequality comparisons to here.
11771 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
11773 PR rtl-optimization/30643
11774 * cse.c (cse_insn): Recompute dest_hash after insert_regs for
11776 (fold_rtx): Recurse, like before 2006-11-03.
11778 2007-03-09 DJ Delorie <dj@redhat.com>
11780 * config/m32c/t-m32c (m32c-pragma.o): Add TM_H dependency to
11783 2007-03-09 Aldy Hernandez <aldyh@redhat.com>
11785 PR tree-optimization/30375
11786 * tree-ssa-dse.c (dse_possible_dead_store_p): Do not eliminate if
11787 LHS of statements is not the same.
11788 * testsuite/gcc.dg/tree-ssa/ssa-dse-10.c: New.
11790 2007-03-09 Chao-ying Fu <fu@mips.com>
11792 * doc/extend.texi (MIPS DSP Built-in Functions): Document the DSP
11794 * doc/invoke.texi (-mdspr2): Document new option.
11795 * config/mips/mips.md (UNSPEC_ABSQ_S_QB .. UNSPEC_DPSQX_SA_W_PH):
11796 New unspec for DSP REV 2.
11797 (<u>mulsidi3_32bit_internal): Check if !TARGET_DSPR2, because
11798 these instructions are extended in DSP REV 2.
11799 (mips-dspr2.md): Include.
11800 * config/mips/mips.opt (mdspr2): New option.
11801 * config/mips/mips.c (mips_function_type): Add MIPS_V4QI_FTYPE_V4QI,
11802 MIPS_SI_FTYPE_SI_SI_SI, MIPS_DI_FTYPE_DI_USI_USI, MIPS_DI_FTYPE_SI_SI,
11803 MIPS_DI_FTYPE_USI_USI, MIPS_V2HI_FTYPE_SI_SI_SI.
11804 (override_options): Check TARGET_DSPR2 to enable MASK_DSP.
11805 (CODE_FOR_mips_mul_ph): Define it to CODE_FOR_mulv2hi3.
11806 (dsp_bdesc): Add DSP REV 2 builtins. Remove 32-bit only DSP builtins.
11807 (dsp_32only_bdesc): New description table for 32-bit only DSP REV 1
11809 (bdesc_map): Add one field of unsupported_target_flags.
11810 (bdesc_arrays): Update entries to have extra fields. Add
11812 (mips_init_builtins): Initialize new function types.
11813 Check unsupported_target_fileds to filter out builtins.
11814 * config/mips/mips.h (TARGET_CPU_CPP_BUILTINS): Define __mips_dspr2 if
11816 (ASM_SPEC): Pass mdspr2 to the assembler.
11817 * config/mips/mips-dspr2.md: New file.
11819 2007-03-09 Sa Liu <saliu@de.ibm.com>
11821 * config/rs6000/altivec.md: Fix vcond patterns using if_then_else.
11823 2007-03-09 Ian Lance Taylor <iant@google.com>
11825 * opts.c (common_handle_option): Treat -Wstrict-overflow (with no
11826 argument) like -Wstrict-overflow=2.
11827 * doc/invoke.texi (Warning Options): Update documentation.
11829 2007-03-09 Dirk Mueller <dmueller@suse.de>
11832 * doc/invoke.texi (-Wlogical-op): Document.
11833 * common.opt (-Wlogical-op): New.
11834 * c-common.h (warn_logical_operator): Declare.
11835 * c-common.c (warn_logical_operator): Define.
11836 * c-typeck.c (parser_build_binary_op): Call
11837 warn_logical_operator.
11839 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
11841 * rtl.h (gen_rtx_ASM_INPUT): Use "" instead of NULL file name.
11842 * final.c (final_scan_insn): Test for non-"" file name.
11844 2007-03-09 Sebastian Pop <sebastian.pop@inria.fr>
11846 * doc/loop.texi: Document the Omega linear constraints solver.
11847 * doc/invoke.texi: Document -fcheck-data-deps, omega-max-vars,
11848 omega-max-geqs, omega-max-eqs, omega-max-wild-cards,
11849 omega-hash-table-size, omega-max-keys, and
11850 omega-eliminate-redundant-constraints.
11851 * tree-pass.h (pass_check_data_deps): Declared.
11854 * timevar.def (TV_CHECK_DATA_DEPS): Declared.
11855 * tree-ssa-loop.c (check_data_deps, gate_check_data_deps,
11856 pass_check_data_deps): New.
11857 * tree-data-ref.c (init_data_ref): Remove declaration.
11858 (dump_data_dependence_relation): Dump DDR_INNER_LOOP.
11859 (analyze_array): Renamed init_array_ref, move up initializations.
11860 (init_data_ref): Renamed init_pointer_ref. Moved before its call.
11861 Removed arguments that are set to NULL.
11862 (analyze_indirect_ref): Correct indentation, correct call to
11864 (object_analysis): Call init_array_ref instead of analyze_array.
11865 (initialize_data_dependence_relation): Initialize DDR_INNER_LOOP.
11866 (access_functions_are_affine_or_constant_p): Use DR_ACCESS_FNS instead
11867 of DR_ACCESS_FNS_ADDR.
11868 (init_omega_eq_with_af, omega_extract_distance_vectors,
11869 omega_setup_subscript, init_omega_for_ddr_1, init_omega_for_ddr,
11870 ddr_consistent_p): New.
11871 (compute_affine_dependence): Check consistency of ddrs when
11872 flag_check_data_deps is passed.
11873 (analyze_all_data_dependences): Uncomment.
11874 (tree_check_data_deps): New.
11875 * tree-data-ref.h: Include omega.h.
11876 (DR_ACCESS_FNS_ADDR): Removed.
11877 (data_dependence_relation): Add inner_loop.
11878 (DDR_INNER_LOOP): New.
11879 * common.opt (fcheck-data-deps): New.
11880 * tree-flow.h (tree_check_data_deps): Declare.
11881 * Makefile.in (TREE_DATA_REF_H): Depend on omega.h.
11882 (OBJS-common): Depend on omega.o.
11884 * passes.c (pass_check_data_deps): Scheduled.
11885 * params.def (PARAM_OMEGA_MAX_VARS, PARAM_OMEGA_MAX_GEQS,
11886 PARAM_OMEGA_MAX_EQS, PARAM_OMEGA_MAX_WILD_CARDS,
11887 PARAM_OMEGA_HASH_TABLE_SIZE, PARAM_OMEGA_MAX_KEYS,
11888 PARAM_VECT_MAX_VERSION_CHECKS,
11889 PARAM_OMEGA_ELIMINATE_REDUNDANT_CONSTRAINTS): New.
11891 2007-03-09 Richard Guenther <rguenther@suse.de>
11893 PR tree-optimization/30904
11894 PR middle-end/31058
11895 * tree-vrp.c (extract_range_from_binary_expr): Handle RSHIFT_EXPR
11896 the same way as *_DIV_EXPR.
11898 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
11900 * recog.c (decode_asm_operands): No mixed declarations and code.
11902 2007-03-09 Alexandre Oliva <aoliva@redhat.com>
11904 * rtl.def (ASM_INPUT): Add location.
11905 * rtl.h (ASM_INPUT_SOURCE_LOCATION): New.
11906 (ASM_INPUT_SOURCE_FILE, ASM_INPUT_SOURCE_LINE): New.
11907 (decode_asm_operands): Add loc operand.
11908 (gen_rtx_ASM_INPUT, gen_rtx_ASM_INPUT_loc): Define.
11909 * stmt.c (expand_asm): Rename to...
11910 (expand_asm_loc): ... this. Add locus argument. Pass it on to
11911 gen_rtx_ASM_INPUT_loc.
11912 (expand_asm_expr): Adjust.
11913 * recog.c (decode_asm_operands): Add loc operand.
11914 (check_asm_operands, extract_insn): Adjust.
11915 * reload1.c (maybe_fix_stack_asms): Likewise.
11916 * final.c (asm_insn_count): Likewise.
11917 (final_scan_insn): Output # line before and after asm.
11919 2007-03-09 Daniel Berlin <dberlin@dberlin.org>
11921 * tree-ssa-structalias.c (variable_info): Remove
11923 (new_var_info): Ditto.
11924 (shared_bitmap_info_t): New structure.
11925 (shared_bitmap_table): New variable.
11926 (shared_bitmap_hash): New function.
11927 (shared_bitmap_eq): Ditto
11928 (shared_bitmap_lookup): Ditto.
11929 (shared_bitmap_add): Ditto.
11930 (merge_smts_into): Change to take bitmap directly.
11931 (find_what_p_points_to): Rewrite to use shared bitmap hashtable.
11932 (init_alias_vars): Init shared bitmap hashtable.
11933 (delete_points_to_sets): Delete shared bitmap hashtable.
11934 * tree-ssa-operands.c (add_virtual_operand): Partially revert the
11935 is_aliased removal as a change that was still necessary was
11938 2007-03-09 Uros Bizjak <ubizjak@gmail.com>
11940 * config/i386/i386.h (override_options): Conditionally disable
11941 x86_sahf for 64bit targets only.
11943 2007-03-08 Andrew Pinski <andrew_pinski@playstation.sony.com>
11946 * c-decl.c (merge_decls): Don't call make_var_volatile.
11947 * varasm.c (make_var_volatile): Remove.
11948 * output.h (make_var_volatile): Remove.
11950 2007-03-08 Zdenek Dvorak <dvorakz@suse.cz>
11952 PR tree-optimization/31085
11953 * tree-ssa-address.c (create_mem_ref): Fix test of type of base.
11955 2007-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11957 * builtins.def (lceil, lceilf, lceill, lfloor, lfloorf, lfloorl,
11958 llceil, llceilf, llceill, llfloor, llfloorf, llfloorl): Mark with
11959 ATTR_CONST_NOTHROW_LIST.
11961 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
11964 2007-03-08 Diego Novillo <dnovillo@redhat.com>
11966 * doc/tree-ssa.texi: Remove documentation for V_MUST_DEF.
11968 2007-03-08 Geoffrey Keating <geoffk@apple.com>
11971 * gccspec.c (lang_specific_driver): Do nothing when NEXT_OBJC_RUNTIME
11973 * config/darwin.h (REAL_LIBGCC_SPEC): When -fgnu-runtime is
11974 passed, use shared libgcc.
11976 2007-03-08 Roger Sayle <roger@eyesopen.com>
11978 * tree-eh.c (do_return_redirection): Call build_gimple_modify_stmt
11979 instead of calling build2 with a GIMPLE_MODIFY_STMT.
11980 (honor_protect_cleanup_actions, lower_try_finally_switch):
11982 * tree-if-conv.c (replace_phi_with_cond_gimple_modify_stmt,
11983 ifc_temp_var): Likewise.
11984 * tree-inline.c (setup_one_parameter): Likewise.
11985 * tree-mudflap.c (mf_decl_cache_locals,
11986 mf_build_check_statement_for): Likewise.
11987 * tree-nested.c (init_tmp_var, save_tmp_var,
11988 finalize_nesting_tree_1): Likewise.
11989 * tree-outof-ssa.c (insert_copy_on_edge,
11990 insert_backedge_copies): Likewise.
11991 * tree-profile.c (tree_gen_edge_profiler,
11992 tree_gen_ic_profiler): Likewise.
11993 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11994 * tree-sra.c (sra_build_assignment): Likewise.
11995 * tree-ssa-loop-im.c (determine_invariantness_stmt): Likewise.
11996 * tree-ssa-math-opts.c (insert_reciprocals,
11997 execute_cse_sincos_1): Likewise.
11998 * tree-tailcall.c (adjust_accumulator_values,
11999 adjust_return_value): Likewise.
12000 * tree-vect-patterns.c (vect_pattern_recog_1): Likewise.
12001 * tree-vect-transform.c (vect_create_data_ref_ptr,
12002 bump_vector_ptr, vect_init_vector, get_initial_def_for_induction,
12003 vect_create_epilog_for_reduction, vectorizable_reduction,
12004 vectorizable_call, vectorizable_conversion,
12005 vectorizable_assignment, vectorizable_operation,
12006 vectorizable_type_demotion, vect_gen_widened_results_half,
12007 vect_permute_store_chain, vectorizable_store,
12008 vect_setup_realignment, vect_permute_load_chain,
12009 vectorizable_load, vectorizable_condition,
12010 vect_create_cond_for_align_checks): Likewise.
12011 * tree-vrp.c (build_assert_expr_for): Likewise.
12013 2007-03-08 Ian Lance Taylor <iant@google.com>
12015 * tree-vrp.c: Include "intl.h".
12016 (usable_range_p): New static function.
12017 (compare_values_warnv): Don't test TYPE_OVERFLOW_UNDEFINED for
12018 overflowed values, juts set *strict_overflow_p.
12019 (compare_values): Only return -2 if one of the operands is not a
12021 (compare_ranges): Call usable_range_p.
12022 (compare_range_with_value): Likewise.
12023 (vrp_evaluate_conditional_warnv): Rename from
12024 vrp_evaluate_conditional. Make static. Change all callers.
12025 (vrp_evaluate_conditional): New function.
12026 (simplify_div_or_mod_using_ranges): Issue warning about reliance
12027 on signed overflow.
12028 (simplify_abs_using_ranges): Likewise.
12029 (simplify_stmt_for_jump_threading): Add within_stmt parameter.
12030 * tree-ssa-dom.c (simplify_stmt_for_jump_threading): Add
12031 within_stmt parameter.
12032 * tree-ssa-propagate.c (fold_predicate_in): Update call to
12033 vrp_evaluate_conditional.
12034 * tree-ssa-threadedge.c
12035 (record_temporary_equivalences_from_stmts_at_dest): Change
12036 simplify parameter to take a second tree parameter.
12037 (simplify_control_stmt_condition): Likewise.
12038 (thread_across_edge): Likewise.
12039 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
12040 (thread_across_edge): Likewise.
12041 * Makefile.in (tree-vrp.o): Depend upon intl.h.
12043 2007-03-08 Uros Bizjak <ubizjak@gmail.com>
12045 * config/i386/i386.h (TARGET_SAHF): New define.
12046 * config/i386/i386.c (ix86_tune_features) [X86_TUNE_USE_SAHF]:
12047 Also enable for m_K8, m_AMDFAM10 and m_CORE2.
12048 (x86_sahf): New global variable.
12049 (override_options): Add PTA_NO_SAHF to pta_flags enum. Recode
12050 pta_flags masks using shifts. Add PTA_NO_SAHF to x86_64 and
12051 nocona processor flags. Set x86_sahf when PTA_NO_SAHF is not set
12052 in processor flags. Do not unconditionally disable TARGET_USE_SAHF
12054 (ix86_fp_comparison_sahf_cost): Return high value for !TARGET_SAHF.
12055 (ix86_expand_fp_compare): Check for TARGET_CMOVE or TARGET_SAHF
12056 when expanding fcomi/sahf based tests.
12057 (ix86_emit_fp_unordered_jump): Check for TARGET_SAHF when
12058 expanding sahf based alternative. Emit sahf based sequence when
12059 optimizing for code size.
12060 * config/i386/i386.md (x86_sahf_1): Do not disable for
12061 TARGET_64BIT, enable for TARGET_SAHF.
12063 2007-03-08 Martin Michlmayr <tbm@cyrius.com>
12065 * tree-ssa-coalesce.c (fail_abnormal_edge_coalesce): Remove
12066 spurious whitespace from error message.
12068 2007-03-08 Volker Reichelt <reichelt@netcologne.de>
12071 * c-common.c (fold_offsetof_1): Handle COMPOUND_EXPR.
12073 2007-03-08 Alexandre Oliva <aoliva@redhat.com>
12075 * c-decl.c (grokdeclarator): Disable warnings for anonymous
12077 * tree-sra.c (instantiate_element): Propagate disabled warnings
12078 from the element itself to the created variable.
12080 2007-03-07 Richard Henderson <rth@redhat.com>
12083 * reg-stack.c (emit_swap_insn): If a malformed asm was seen,
12084 silently fix up the stack in the case of a missing register.
12086 2007-03-07 Paul Brook <paul@codesourcery.com>
12088 * config/arm/libunwind.S: Add .arch/.object_arch for armv4 builds.
12090 2007-03-07 Joseph Myers <joseph@codesourcery.com>
12092 * config/arm/unwind-arm.c (struct wmmxd_regs, struct wmmxc_regs):
12094 (phase1_vrs): Use them.
12095 (DEMAND_SAVE_WMMXD, DEMAND_SAVE_WMMXC): New.
12096 (__gnu_Unwind_Save_WMMXD, __gnu_Unwind_Restore_WMMXD,
12097 __gnu_Unwind_Save_WMMXC, __gnu_Unwind_Restore_WMMXC): Declare.
12098 (restore_non_core_regs): Call __gnu_Unwind_Restore_WMMXD and
12099 __gnu_Unwind_Restore_WMMXC if required.
12100 (_Unwind_VRS_Pop): Implement iWMMXt support.
12101 * config/arm/libunwind.S (gnu_Unwind_Restore_WMMXD,
12102 gnu_Unwind_Save_WMMXD, gnu_Unwind_Restore_WMMXC,
12103 gnu_Unwind_Save_WMMXC): Define.
12105 2007-03-07 Richard Sandiford <richard@codesourcery.com>
12107 * config/vxworks.h (vxworks_override_options): Declare.
12108 (VXWORKS_OVERRIDE_OPTIONS): Use it.
12109 * config/vxworks.c: Include target.h and toplev.h.
12110 (vxworks_override_options): New function.
12111 * config/t-vxworks (vxworks.o): Depend on $(TARGET_H) and toplev.h.
12113 2007-03-07 Andreas Krebbel <krebbel1@de.ibm.com>
12115 * config/s390/s390.c (override_options): Don't emit an error when
12116 -mstack-size is used without providing -mstack-guard.
12117 (s390_emit_prologue): Choose stack_guard value automatically if not
12118 provided via command line.
12119 * doc/invoke.texi: Adjust description of -mstack-guard and
12122 2007-03-07 Richard Sandiford <richard@codesourcery.com>
12124 * config/i386/i386.c (output_set_got): Add a GOT initialization
12125 sequence for VxWorks PIC.
12126 (legitimate_pic_address_disp_p): Allow UNSPEC_GOT wrappers
12127 around labels as well as symbols. Use gotoff_operand instead
12128 of local_symbolic_operand.
12129 (legitimize_pic_address): Use gotoff_operand instead of
12130 local_symbolic_operand. Use @GOT accesses for labels as
12132 (ix86_output_addr_diff_elt): Use PC-relative rather than
12133 GP-relative offsets for VxWorks PIC.
12134 (ix86_expand_move): Pass NULL_RTX to legitimize_pic_address unless
12135 no_new_pseudos. Check whether the returned register is op0.
12136 * config/i386/i386.md (tablejump): Use PC-relative rather than
12137 GP-relative offsets for VxWorks PIC.
12138 * config/i386/predicates.md (gotoff_operand): New predicate.
12140 2007-03-06 Richard Sandiford <richard@codesourcery.com>
12142 * config/vxworks.h (VXWORKS_GOTT_BASE, VXWORKS_GOTT_INDEX): Undefine
12144 * config/vxworks-dummy.h: New file.
12145 * config/i386/i386.h: Include it.
12147 2007-03-07 Alexandre Oliva <aoliva@redhat.com>
12149 * dwarf2out.c (is_inlined_entry_point): New
12150 (add_high_low_attributes): Emit DW_AT_entry_pc along with
12151 DW_AT_ranges if the first subblock is the entry point.
12153 2007-03-06 David Daney <ddaney@avtrex.com>
12155 * doc/install.texi (mips-*-*): Change recommended binutils
12158 2007-03-06 Anatoly Sokolov <aesok@post.ru>
12160 * config/avr/avr.c (avr_mcu_types): Add support for ATmega325P,
12161 ATmega3250P, ATmega329P, ATmega3290P, AT90USB82 and AT90USB162
12163 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
12164 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
12166 2007-03-06 Jan Hubicka <jh@suse.cz>
12168 * errors.h (warning, error, fatal, internal_error): Mark as cold.
12169 * predict.c (maybe_hot_bb): Cold functions are never hot; hot
12171 (probably_cold_bb_p): Cold functions are cold.
12172 (probably_never_executed_bb_p): Cold functions are cold.
12173 (tree_bb_level_predictions): Predict calls to cold functions as not
12175 (compute_function_frequency): Check hot/cold attributes.
12176 * function.h (function_frequency): Update comments.
12177 * predict.def (PRED_COLD_FUNCTION): Predict cold function.
12178 * c-common.c (handle_hot_attribute, handle_cold_attribute): New.
12179 (c_common_att): Add cold and hot.
12181 * doc/extend.texi (hot,cold attributes): Document.
12183 2007-03-06 Andrew Haley <aph@redhat.com>
12185 * function.c (expand_function_end): Move blockage to just after we
12186 emit the label for the naked return from the function.
12188 2007-03-06 Richard Sandiford <richard@codesourcery.com>
12190 * config/i386/att.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_SKIP): Undefine
12193 2007-03-06 Jan Hubicka <jh@suse.cz>
12195 * reg-stack.c (reg_to_stack): Large models don't allow NAN to be
12196 loaded for constant large models. Non-large 64bit PIC can do.
12197 * i386.h (CASE_VECTOR_MODE): Large PIC cases are 64bit.
12198 * cmodel.h: Add LARGE PIC.
12199 * i386.md (UNSPEC_PLTOFF): New.
12200 (UNSPEC_SET_RIP, UNSPEC_SET_GOT_OFFSET): New; renumber other
12202 (*call_1_rex64): Disable for large models.
12203 (*call_1_rex64_large): New.
12204 (*call_value_1_rex64): Disable for large models.
12205 (*call_value_1_rex64_large): New.
12206 (set_rip_rex4): New.
12207 (set_got_offset_rex64): New.
12208 * predicates.md (constant_call_address_operand): For large model
12209 constant calls are not possible.
12210 * i386-protos.h (construct_plt_address): Declare.
12211 * i386.c (override_options): Accept large models.
12212 (ix86_expand_prologue): Expand large PIC GOT pointer load.
12213 (legitimate_constant_p): Add new UNSPECs.
12214 (legitimate_pic_operand_p): Likewise.
12215 (legitimate_pic_address_disp_p): Disallow local symbols for large PICs.
12216 (legitimize_pic_address): Do easy RIP relative way for TLS only for
12218 (output_pic_addr_const): Add PLTOFF.
12219 (ix86_output_addr_diff_elt): Output 64bit tables when needed.
12220 (ix86_expand_move): Legitimize pic address when in PIC mode.
12221 (construct_plt_address): New function.
12222 (ix86_expand_call): Offload the address to register and use GOT
12223 pointer for large model.
12224 * invoke.texi (mcmodel=large): Update documentation.
12226 2007-03-06 Richard Henderson <rth@redhat.com>
12228 * config/i386/i386.c (x86_use_leave, x86_push_memory,
12229 x86_zero_extend_with_and, x86_movx, x86_double_with_add,
12230 x86_use_bit_test, x86_unroll_strlen, x86_deep_branch,
12231 x86_branch_hints, x86_use_sahf, x86_partial_reg_stall,
12232 x86_partial_flag_reg_stall, x86_use_himode_fiop, x86_use_simode_fiop,
12233 x86_use_mov0, x86_use_cltd, x86_read_modify_write, x86_read_modify,
12234 x86_split_long_moves, x86_promote_QImode, x86_fast_prefix,
12235 x86_single_stringop, x86_qimode_math, x86_promote_qi_regs,
12236 x86_himode_math, x86_promote_hi_regs, x86_sub_esp_4, x86_sub_esp_8,
12237 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
12238 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12239 x86_prologue_using_move, x86_epilogue_using_move, x86_shift1,
12240 x86_sse_partial_reg_dependency, x86_sse_split_regs,
12241 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
12242 x86_sse_load0_by_pxor, x86_use_ffreep, x86_use_incdec,
12243 x86_inter_unit_moves, x86_ext_80387_constants, x86_four_jump_limit,
12244 x86_schedule, x86_use_bt, x86_pad_returns,
12245 x86_use_xchgb): Merge into ...
12246 (ix86_tune_features): ... here. New array.
12247 (x86_cmove, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
12248 x86_bswap): Merge into ...
12249 (ix86_arch_features): ... here. New array.
12250 (x86_3dnow_a): Remove.
12251 (x86_accumulate_outgoing_args): Make static.
12252 (x86_arch_always_fancy_math_387): Make static.
12253 (ix86_tune_mask, ix86_arch_mask): Move ...
12254 (override_options): ... to local variables here. Apply the
12255 appropriate mask to each element of ix86_arch_features and
12256 ix86_tune_features. Adjust TARGET_CMOVE and TARGET_USE_SAHF
12257 as were done in the old macros.
12258 (standard_80387_constant_p): Use TARGET_EXT_80387_CONSTANTS.
12259 * config/i386/i386.h (x86_use_leave, x86_push_memory,
12260 x86_zero_extend_with_and, x86_use_bit_test, x86_cmove, x86_deep_branch,
12261 x86_branch_hints, x86_unroll_strlen, x86_double_with_add,
12262 x86_partial_reg_stall, x86_movx, x86_use_himode_fiop,
12263 x86_use_simode_fiop, x86_use_mov0, x86_use_cltd, x86_use_xchgb,
12264 x86_read_modify_write, x86_read_modify, x86_split_long_moves,
12265 x86_promote_QImode, x86_single_stringop, x86_fast_prefix,
12266 x86_himode_math, x86_qimode_math, x86_promote_qi_regs,
12267 x86_promote_hi_regs, x86_integer_DFmode_moves, x86_add_esp_4,
12268 x86_add_esp_8, x86_sub_esp_4, x86_sub_esp_8,
12269 x86_partial_reg_dependency, x86_memory_mismatch_stall,
12270 x86_accumulate_outgoing_args, x86_prologue_using_move,
12271 x86_epilogue_using_move, x86_decompose_lea,
12272 x86_arch_always_fancy_math_387, x86_shift1,
12273 x86_sse_partial_reg_dependency, x86_sse_split_regs,
12274 x86_sse_unaligned_move_optimal, x86_sse_typeless_stores,
12275 x86_sse_load0_by_pxor, x86_use_ffreep, x86_inter_unit_moves,
12276 x86_schedule, x86_use_bt, x86_cmpxchg, x86_cmpxchg8b, x86_xadd,
12277 x86_use_incdec, x86_pad_returns, x86_bswap,
12278 x86_partial_flag_reg_stall): Remove.
12279 (enum ix86_tune_indices): New.
12280 (ix86_tune_features): New.
12281 (TARGET_USE_LEAVE, TARGET_PUSH_MEMORY, TARGET_ZERO_EXTEND_WITH_AND,
12282 TARGET_USE_BIT_TEST, TARGET_UNROLL_STRLEN,
12283 TARGET_DEEP_BRANCH_PREDICTION, TARGET_BRANCH_PREDICTION_HINTS,
12284 TARGET_DOUBLE_WITH_ADD, TARGET_USE_SAHF, TARGET_MOVX,
12285 TARGET_PARTIAL_REG_STALL, TARGET_PARTIAL_FLAG_REG_STALL,
12286 TARGET_USE_HIMODE_FIOP, TARGET_USE_SIMODE_FIOP, TARGET_USE_MOV0,
12287 TARGET_USE_CLTD, TARGET_USE_XCHGB, TARGET_SPLIT_LONG_MOVES,
12288 TARGET_READ_MODIFY_WRITE, TARGET_READ_MODIFY, TARGET_PROMOTE_QImode,
12289 TARGET_FAST_PREFIX, TARGET_SINGLE_STRINGOP, TARGET_QIMODE_MATH,
12290 TARGET_HIMODE_MATH, TARGET_PROMOTE_QI_REGS, TARGET_PROMOTE_HI_REGS,
12291 TARGET_ADD_ESP_4, TARGET_ADD_ESP_8, TARGET_SUB_ESP_4,
12292 TARGET_SUB_ESP_8, TARGET_INTEGER_DFMODE_MOVES,
12293 TARGET_PARTIAL_REG_DEPENDENCY, TARGET_SSE_PARTIAL_REG_DEPENDENCY,
12294 TARGET_SSE_UNALIGNED_MOVE_OPTIMAL, TARGET_SSE_SPLIT_REGS,
12295 TARGET_SSE_TYPELESS_STORES, TARGET_SSE_LOAD0_BY_PXOR,
12296 TARGET_MEMORY_MISMATCH_STALL, TARGET_PROLOGUE_USING_MOVE,
12297 TARGET_EPILOGUE_USING_MOVE, TARGET_SHIFT1, TARGET_USE_FFREEP,
12298 TARGET_INTER_UNIT_MOVES, TARGET_FOUR_JUMP_LIMIT, TARGET_SCHEDULE,
12299 TARGET_USE_BT, TARGET_USE_INCDEC, TARGET_PAD_RETURNS,
12300 TARGET_EXT_80387_CONSTANTS): Use it.
12301 (enum ix86_arch_indices): New.
12302 (ix86_arch_features): New.
12303 (TARGET_CMOVE, TARGET_CMPXCHG, TARGET_CMPXCHG8B, TARGET_XADD,
12304 TARGET_BSWAP): Use it.
12305 (ix86_tune_mask, ix86_arch_mask): Remove.
12307 2007-03-06 Joseph Myers <joseph@codesourcery.com>
12310 * configure.ac (CROSS_SYSTEM_HEADER_DIR, build_system_header_dir):
12311 Define using $${sysroot_headers_suffix}.
12312 * configure: Regenerate.
12313 * cppdefault.c (cpp_include_defaults): Make FIXED_INCLUDE_DIR a
12314 multilib-suffixed directory if SYSROOT_HEADERS_SUFFIX_SPEC
12316 * doc/invoke.texi (-print-sysroot-headers-suffix): Document.
12317 * gcc.c (print_sysroot_headers_suffix): New.
12318 (option_map): Include --print-sysroot-headers-suffix.
12319 (display_help): Mention -print-sysroot-headers-suffix.
12320 (process_command): Handle -print-sysroot-headers-suffix.
12321 (do_spec_1): Append multilib directory to include-fixed path if
12322 sysroot suffixes in use.
12323 (main): Handle -print-sysroot-headers-suffix.
12324 * Makefile.in (start.encap): Don't depend on xlimits.h
12325 (xlimits.h): Remove.
12326 (stmp-int-hdrs): Don't depend on xlimits.h. Inline generation of
12327 limits.h for each multilib in fixinc_list.
12328 (fixinc_list, s-fixinc_list): New.
12329 (stmp-fixinc): Depend on fixinc_list. If not copying headers,
12330 generate them for each multilib in fixinc_list.
12331 (stmp-fixproto): Use include-fixed. Run fixproto for each
12332 multilib in fixinc_list.
12333 (mostlyclean): Don't remove xlimits.h.
12334 (clean): Remove include-fixed.
12335 (real-install-headers-tar, real-install-headers-cpio,
12336 real-install-headers-cp): Don't copy include, only include-fixed.
12337 (install-mkheaders): Depend on fixinc_list. Don't depend on
12338 xlimits.h. Save limits.h files for each multilib in fixinc_list.
12339 Always save mkinstalldirs. Preserve ${sysroot_headers_suffix} in
12340 SYSTEM_HEADER_DIR setting in mkheaders.conf.
12342 2007-03-06 Jan Hubicka <jh@suse.cz>
12344 * regstack.c (reg_to_stack): When in 64bit PIC mode, we still can load
12347 2007-03-06 Richard Sandiford <richard@codesourcery.com>
12349 * configure.ac: Allow tm_file to contain build-directory files.
12350 * configure: Regenerate.
12351 * config.gcc (m68k-*-uclinux*): Add ./sysroot-suffix.h to tm_file.
12352 * config/m68k/t-uclinux (sysroot-suffix.h): New target.
12353 * config/m68k/print-sysroot-suffix.sh: New file.
12355 2007-03-06 Richard Sandiford <richard@codesourcery.com>
12357 * config/m68k/m68k.h (PIC_OFFSET_TABLE_REGNUM): Use the REGNO
12358 of pic_offset_table_rtx if reload_completed.
12359 (CONDITIONAL_REGISTER_USAGE): Use PIC_REG instead of
12360 PIC_OFFSET_TABLE_REGNUM.
12361 * config/m68k/m68k.c (TARGET_ASM_CAN_OUTPUT_MI_THUNK): Always
12363 (m68k_save_reg): Use PIC_REG instead of PIC_OFFSET_TABLE_REGNO.
12364 (m68k_output_mi_thunk): Rewrite to use RTL. Honor vcall_offset.
12366 2007-03-06 Richard Sandiford <richard@codesourcery.com>
12368 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
12369 functions that call eh_return.
12371 2007-03-06 Richard Sandiford <richard@codesourcery.com>
12373 * config/m68k/m68k.c (m68k_save_reg): Save the PIC register in
12374 functions that need a constant pool.
12376 2007-03-06 Richard Sandiford <richard@codesourcery.com>
12379 * config/m68k/m68k-protos.h (m68k_secondary_reload_class): Declare.
12380 (m68k_preferred_reload_class): Likewise.
12381 * config/m68k/m68k.h (HARD_REGNO_MODE_OK): Remove duplicated comment.
12382 (SECONDARY_RELOAD_CLASS): Define.
12383 (PREFERRED_RELOAD_CLASS): Use m68k_preferred_reload_class.
12384 (LIMIT_RELOAD_CLASS): Delete.
12385 * config/m68k/m68k.c (m68k_regno_mode_ok): Don't prevent address
12386 registers from storing bytes.
12387 (m68k_secondary_reload_class): New function.
12388 (m68k_preferred_reload_class): Likewise.
12390 2007-03-06 Richard Sandiford <richard@codesourcery.com>
12392 * config/m68k/m68k.c (m68k_save_reg): Remove special case for
12394 (m68k_expand_prologue): Likewise.
12396 2007-03-06 Richard Sandiford <richard@codesourcery.com>
12398 * config/m68k/m68k-protos.h (output_sibcall): Declare.
12399 (mips_expand_epilogue): Add a bool parameter.
12400 (m68k_legitimize_sibcall_address): Declare.
12401 * config/m68k/m68k.c (TARGET_FUNCTION_OK_FOR_SIBCALL): Define.
12402 (m68k_expand_epilogue): Add a parameter to select between sibling
12403 and normal epilogues. Only generate a return for the latter.
12404 (m68k_ok_for_sibcall_p): New function.
12405 (m68k_legitimize_sibcall_address, output_sibcall): New functions.
12406 * config/m68k/m68k.md (sibcall, *sibcall): New patterns.
12407 (sibcall_value, *sibcall_value): Likewise.
12408 (*call, *call_value): Require !SIBLING_CALL_P.
12409 (epilogue): Update call to m68k_expand_epilogue.
12410 (sibcall_epilogue): New pattern.
12411 * config/m68k/predicates.md (const_call_operand): Say that this
12412 predicate applies to sibling calls too.
12413 (sibcall_operand): New predicate.
12415 2007-03-06 Richard Sandiford <richard@codesourcery.com>
12417 * config/m68k/m68k.md (movsf_cf_soft): Provide the same non-mov3q
12418 alternatives as movsi_cf.
12419 (movsf_cf_hard): Add commentary.
12421 2007-03-06 Kazu Hirata <kazu@codesourcery.com>
12422 Richard Sandiford <richard@codesourcery.com>
12424 * config/m68k/m68k-protos.h (m68k_interrupt_function_p): Declare.
12425 (m68k_movem_pattern_p, m68k_output_movem): Likewise.
12426 (m68k_expand_prologue, m68k_expand_epilogue): Likewise.
12427 * config/m68k/m68k.h (EPILOGUE_USES): Define. Treat all registers
12428 as being live on exit from an interrupt function.
12429 (PRINT_OPERAND_PUNCT_VALID_P): Return true for '?'.
12430 * config/m68k/m68k.c (MIN_MOVEM_REGS, MIN_FMOVEM_REGS): New macros.
12431 (m68k_frame): Remove reg_rev_mask and fpu_rev_mask.
12432 (TARGET_ASM_FUNCTION_PROLOGUE, TARGET_ASM_FUNCTION_EPILOGUE): Delete.
12433 (m68k_interrupt_function_p): Globalize.
12434 (m68k_compute_frame_layout): Remove reverse mask code.
12435 (m68k_emit_movem, m68k_set_frame_related): New functions.
12436 (m68k_output_function_prologue): Delete in favor of...
12437 (m68k_expand_prologue): ...this new function.
12438 (m68k_output_function_epilogue): Delete in favor of...
12439 (m68k_expand_epilogue): ...this new function.
12440 (m68k_split_offset, m68k_movem_pattern_p, m68k_output_movem): New
12442 (print_operand): Handle %?.
12443 * config/m68k/m68k.md (UNSPEC_SIN, UNSPEC_COS): Remove excess space.
12444 (UNSPEC_GOT, A1_REG, PIC_REG, FP0_REG): New constants.
12445 (prologue, epilogue): New patterns.
12446 (return): Turn into a define_expand.
12447 (*return): New pattern, derived from old "return" pattern. Use rte
12448 rather than rts for interrupt functions. Only use rtd if the pop
12450 (*m68k_store_multiple, *m68k_store_multiple_automod): New patterns.
12451 (*m68k_load_multiple, *m68k_load_multiple_automod): Likewise.
12452 (link, *link, unlink, *unlink, load_got): Likewise.
12454 2007-03-06 Richard Sandiford <richard@codesourcery.com>
12458 * config/m68k/m68k-protos.h (m68k_legitimate_base_reg_p): Declare.
12459 (m68k_legitimate_index_reg_p, m68k_legitimate_address_p): Likewise.
12460 (m68k_matches_q_p, m68k_matches_u_p): Likewise.
12461 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Use m68k_matches_q_p
12462 and m68k_matches_u_p.
12463 (PCREL_GENERAL_OPERAND_OK, LEGITIMATE_BASE_REG_P): Delete.
12464 (INDIRECTABLE_1_ADDRESS_P, GO_IF_NONINDEXED_ADDRESS): Delete.
12465 (GO_IF_INDEXABLE_BASE, GO_IF_INDEXING, GO_IF_INDEXED_ADDRESS): Delete.
12466 (LEGITIMATE_INDEX_REG_P, LEGITIMATE_INDEX_P): Delete.
12467 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Delete.
12468 (REG_STRICT_P): New macro.
12469 (LEGITIMATE_PIC_OPERAND_P): Use REG_STRICT_P rather than
12470 PCREL_GENERAL_OPERAND_OK.
12471 (REG_OK_FOR_BASE_P): Merge definitions. Use REG_STRICT_P and
12472 m68k_legitimate_base_reg_p.
12473 (REG_MODE_OK_FOR_INDEX_P): Likewise m68k_legitimate_index_reg_p.
12474 (GO_IF_LEGITIMATE_ADDRESS): Likewise m68k_legitimate_address_p.
12475 (PIC_CASE_VECTOR_ADDRESS): Update comment.
12476 * config/m68k/m68k.c (m68k_address): New structure.
12477 (m68k_legitimate_base_reg_p, m68k_legitimate_index_reg_p)
12478 (m68k_decompose_index, m68k_legitimate_constant_address_p)
12479 (m68k_jump_table_ref_p, m68k_decompose_address)
12480 (m68k_legitimate_address_p, m68k_legitimate_mem_p, m68k_matches_q_p)
12481 (m68k_matches_u_p): New functions.
12482 (print_operand_address): Rewrite to use m68k_decompose_index.
12484 2007-03-05 David Taylor <dtaylor@emc.com>
12486 * gcc.c: Correct copyright date in --version output.
12488 2007-03-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12490 * pa.md: In unamed move patterns, disparge copies between general
12491 and floating point registers using '?' modifier. Don't include 'f'
12492 constraint for register preferences in DImode, SImode, HImode and
12493 QImode patterns. Likewise for 'r' in DFmode and SFmode patterns.
12494 Remove constraints for copies between general and floating registers
12495 in soft-float DFmode pattern.
12496 (movdf): Fail if operand1 is a CONST_DOUBLE and operand0 is a hard
12500 2007-03-05 Mike Stump <mrs@apple.com>
12502 * c-common.c (targetcm): Add.
12503 * c-opts.c (c_common_handle_option): Handle language specific
12505 * opts.c (handle_option): Verify language for target options, if
12507 * opth-gen.awk: Add CL_LANG_ALL.
12508 * target-def.h (TARGET_HANDLE_C_OPTION): Add.
12509 (TARGETCM_INITIALIZER): Add.
12510 * target.h (struct gcc_targetcm): Add.
12512 * targhooks.c (default_handle_c_option): Add.
12513 * targhooks.h (default_handle_c_option): Add.
12514 * doc/tm.texi (TARGET_HANDLE_C_OPTION): Add.
12516 * config/darwin.opt (iframework): Add.
12517 * config/darwin.h (TARGET_HAS_TARGETCM): Add.
12518 * config/darwin-c.c (handle_c_option): Add.
12519 (TARGET_HANDLE_C_OPTION): Add.
12521 * doc/invoke.texi (Darwin Options): Add -iframework.
12523 2007-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12525 * convert.c (convert_to_integer): Fix nearbyint/rint -> *lrint
12528 2007-03-05 Ian Lance Taylor <iant@google.com>
12530 * c.opt (fgnu89-inline): New option.
12531 * c-opts.c (c_common_post_options): Set default value for
12533 * c-decl.c (WANT_C99_INLINE_SEMANTICS): Remove.
12534 (pop_scope): Check flag_gnu89_inline rather than flag_isoc99 for
12536 (diagnose_mismatched_decls, merge_decls, start_decl): Likewise.
12537 (grokdeclarator, start_function): Likewise.
12538 * c-cppbuiltin.c (c_cpp_builtins): Define either
12539 __GNUC_GNU_INLINE__ or __GNUC_STDC_INLINE__.
12540 * doc/invoke.texi (Option Summary): Mention -fgnu89-inline.
12541 (C Dialect Options): Document -fgnu89-inline.
12542 * doc/extend.texi (Function Attributes): Explain what the
12543 gnu_inline attribute does.
12544 * doc/cpp.texi (Common Predefined Macros): Document
12545 __GNUC_GNU_INLINE__ and __GNUC_STDC_INLINE__.
12547 2007-03-05 Ian Lance Taylor <iant@google.com>
12549 PR tree-optimization/31034
12550 * tree-vrp.c (extract_range_from_assert): Don't try to handle a
12551 half-range if the other side is an overflow infinity.
12553 2007-03-05 Bernd Schmidt <bernd.schmidt@analog.com>
12555 * config.gcc (bfin*-uclinux*): Use t-bfin-uclinux.
12556 (bfin*-linux-uclibc*): New configuration.
12557 * config/linux.h (LINK_GCC_C_SEQUENCE_SPEC): Undefined before
12559 * config/bfin/linux.h: New file.
12560 * config/bfin/libgcc-bfin.ver: New file.
12561 * config/bfin/t-bfin-uclinux: New file.
12562 * config/bfin/t-bfin-linux: New file.
12563 * config/bfin/uclinux.h (LINUX_TARGET_OS_CPP_BUILTINS): New macro.
12564 (TARGET_OS_CPP_BUILTINS): New macro.
12566 2007-03-05 Richard Guenther <rguenther@suse.de>
12568 * fold-const.c (fold_binary): Remove duplicate folding
12569 of comparison of non-null ADDR_EXPR against null.
12571 2007-03-05 Richard Guenther <rguenther@suse.de>
12572 Dorit Nuzman <dorit@il.ibm.com>
12574 PR tree-optimization/26420
12575 * tree-vectorizer.c (vectorize_loops): Bail out early if there
12576 are no loops in the function. Only print the number of
12577 vectorized loops if it is greater than zero or we are supposed
12578 to print information about unvectorized loops.
12580 2007-03-05 Revital Eres <eres@il.ibm.com>
12582 * gcc.dg/var-expand1.c: New test.
12583 * loop-unroll.c (analyze_insn_to_expand_var): Add dump info
12584 when an accumulator is expanded.
12586 2007-03-04 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
12589 * c-common.c (convert_and_check): Don't give warnings for
12590 conversion if 'expr' already overflowed.
12592 2007-03-04 Roger Sayle <roger@eyesopen.com>
12594 PR middle-end/30744
12595 * fold-const.c (fold_comparison): Enforce type consistency when
12596 transforming ~X op ~Y to Y op X, and ~X op C to X op' ~C.
12598 2007-03-04 Zdenek Dvorak <dvorakz@suse.cz>
12600 * tree-ssa-address.c (create_mem_ref): Do not put an expression
12601 containing a cast to the base of TARGET_MEM_REF.
12603 2007-03-04 Martin Michlmayr <tbm@cyrius.com>
12605 * tree.c (tree_contains_struct_check_failed): Remove spurious
12606 whitespace from error message.
12608 2007-03-04 Andrew Pinski <andrew_pinski@playstation.sony.com>
12611 * config/rs6000/rs6000.c (rs6000_function_value): Look at bit size
12612 instead of precision.
12614 2007-03-04 Roman Zippel <zippel@linux-m68k.org>
12615 Nathan Sidwell <nathan@codesourcery.com>
12617 * emit-rtl.c (find_auto_inc): New.
12618 (try_split): recreate REG_INC notes,
12619 Use regular for loops rather than whiles.
12621 2007-03-03 Andreas Schwab <schwab@suse.de>
12623 * configure.ac (HAVE_AS_REL16): Move test back to correct place.
12624 * configure: Regenerate.
12626 2007-03-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12628 * builtins.def (ATTR_MATHFN_FPROUNDING): Rely on
12629 flag_rounding_math, not flag_unsafe_math_optimizations.
12631 * c-pretty-print.c (pp_c_direct_abstract_declarator): Use
12633 * config/alpha/alpha.c (alpha_fold_builtin_zapnot,
12634 alpha_fold_vector_minmax): Likewise.
12635 * config/i386/i386.c (ix86_gimplify_va_arg): Likewise.
12636 * config/sparc/sparc.c (sparc_gimplify_va_arg): Likewise.
12638 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
12640 * tree-sra.c (sra_walk_fns) <ldst>: Document new restriction.
12641 (sra_walk_modify_expr) <rhs_elt>: Treat the reference as a use
12642 if the lhs has side-effects.
12643 <lhs_elt>: Treat the reference as a use if the rhs has side-effects.
12645 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
12647 * config/i386/i386.h (TUNEMASK): Remove define.
12648 (ARCHMASK): Remove define.
12649 (TARGET_*): Use ix86_tune_mask variable instead of TUNEMASK.
12650 Use ix86_arch_mask variable instead of ARCHMASK.
12651 * config/i386/i386.c (override_options): Ditto.
12652 (standard_80387_constant_p): Ditto.
12654 2007-03-02 Ian Lance Taylor <iant@google.com>
12656 Used signed infinities in VRP.
12657 * tree-vrp.c (uses_overflow_infinity): New static function.
12658 (supports_overflow_infinity): New static function.
12659 (make_overflow_infinity): New static function.
12660 (negative_overflow_infinity): New static function.
12661 (positive_overflow_infinity): New static function.
12662 (is_negative_overflow_infinity): New static function.
12663 (is_positive_overflow_infinity): New static function.
12664 (is_overflow_infinity): New static function.
12665 (overflow_infinity_range_p): New static function.
12666 (compare_values_warnv): New function split out of compare_values.
12667 (compare_value): Call it.
12668 (set_value_range_to_nonnegative): Add overflow_infinity
12669 parameter. Change caller.
12670 (vrp_expr_computes_nonnegative): Add strict_overflow_p parameter.
12672 (vrp_expr_computes_nonzero): Likewise.
12673 (compare_ranges, compare_range_with_value): Likewise.
12674 (compare_name_with_value, compare_names): Likewise.
12675 (vrp_evaluate_conditional): Likewise.
12676 (set_value_range): Handle infinity
12677 (vrp_operand_equal_p, operand_less_p): Likewise.
12678 (extract_range_from_assert): Likewise.
12679 (vrp_int_const_binop): Likewise.
12680 (extract_range_from_binary_expr): Likewise.
12681 (extract_range_from_unary_expr): Likewise.
12682 (extract_range_from_comparison): Likewise.
12683 (extract_range_from_expr): Likewise.
12684 (dump_value_range): Likewise.
12685 (vrp_visit_cond_stmt, vrp_visit_phi_node): Likewise.
12686 (test_for_singularity): Likewise.
12687 (vrp_int_const_binop): Remove inline qualifier.
12688 (adjust_range_with_scev): Add comment.
12689 * tree-flow.h (vrp_evaluate_conditional): Update declaration.
12691 2007-03-02 Diego Novillo <dnovillo@redhat.com>
12693 * tree-ssa-structalias.c (could_have_pointers): Tidy.
12694 (get_constraint_for): Likewise.
12695 (do_structure_copy): Likewise.
12696 (find_func_aliases): Fix references to MODIFY_EXPR.
12697 (intra_create_variable_infos): Tidy.
12698 * tree-ssa-operands.c (add_virtual_operand): Add argument
12700 When adding members of alias sets, if IS_CALL_SITE is true and
12701 the symbol is not call-clobbered, skip it.
12702 Adjust all callers.
12704 2007-03-02 Eric Botcazou <ebotcazou@adacore.com>
12706 * config/alpha/alpha.c (alpha_gp_save_rtx): Insert the insns at the
12707 entry by means of emit_insn_at_entry.
12709 2007-03-02 Richard Henderson <rth@redhat.com>
12711 * expr.h (promoted_input_arg): Remove decl.
12712 * function.c (promoted_input_arg): Merge into ...
12713 * combine.c (setup_incoming_promotions): ... only caller.
12714 Rearrange to avoid double loop.
12716 2007-03-02 Ben Elliston <bje@au.ibm.com>
12717 Peter Bergner <bergner@vnet.ibm.com>
12718 Janis Johnson <janis187@us.ibm.com>
12720 * config/rs6000/dfp.md: New file.
12721 * config/rs6000/rs6000.md: Include dfp.md.
12722 (add<mode>3_internal1): Disable for DECIMAL_FLOAT_MODE_P operands.
12723 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Handle DDmode
12724 and TDmode decimal float modes in FP registers.
12725 (num_insns_constant): Likewise.
12726 (rs6000_legitimate_offset_address_p): Likewise.
12727 (rs6000_legitimize_address): Likewise.
12728 (rs6000_legitimize_reload_address): Likewise.
12729 (rs6000_legitimate_address): Likewise.
12730 (rs6000_emit_move): Likewise.
12731 (function_arg_boundary): Likewise.
12732 (function_arg_advance): Likewise.
12733 (rs6000_darwin64_record_arg_recurse): Likewise.
12734 (function_arg): Likewise.
12735 (rs6000_gimplify_va_arg): Likewise.
12736 (rs6000_split_multireg_move): Likewise.
12737 (rs6000_output_function_epilogue): Likewise.
12738 (rs6000_output_function_epilogue): Likewise.
12739 (rs6000_register_move_cost): Likewise.
12740 (rs6000_function_value): Likewise.
12741 (rs6000_libcall_value): Likewise.
12743 2007-03-02 Richard Sandiford <richard@codesourcery.com>
12745 * config/t-vxworks (LIMITS_H_TEST): Define to true for VxWorks.
12747 2007-03-02 Richard Sandiford <richard@codesourcery.com>
12749 * config/t-vxworks (LIBGCC2_INCLUDES): Pass -nostdinc.
12750 Use $MULTIDIR to choose between the kernel and RTP headers,
12751 and use $WIND_BASE and $WIND_USR to locate them.
12753 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
12755 * config/i386/i386.c (override_options): Put initialization of
12756 ix86_tune_mask and ix86_arch_mask to the correct place.
12758 2007-03-02 Uros Bizjak <ubizjak@gmail.com>
12759 Michael Meissner <michael.meissner@amd.com>
12762 * config/i386/i386.h (TUNEMASK): Redefine to use ix86_tune_mask.
12763 (ARCHMASK): Define.
12764 (TARGET_CMOVE): Use ARCHMASK.
12765 (TARGET_CMPXCHG): Ditto.
12766 (TARGET_CMPXCHG8B): Ditto.
12767 (TARGET_XADD): Ditto.
12768 (TARGET_BSWAP): Ditto.
12769 * config/i386/i386.c (ix86_tune_mask): New global variable.
12770 (ix86_arch_mask): Ditto.
12771 (override_options): Initialize ix86_tune_mask and
12772 ix86_arch_mask. Use ARCHMASK to clear MASK_NO_FANCY_MATH_387 in
12775 2007-03-02 Ben Elliston <bje@au.ibm.com>
12778 * config/dfp-bit.c (DFP_TO_INT): Initialise qval with "1.".
12780 2007-03-02 Joseph Myers <joseph@codesourcery.com>
12782 * target.h (init_dwarf_reg_sizes_extra): New target hook.
12783 * target-def.h (TARGET_INIT_DWARF_REG_SIZES_EXTRA): New default.
12784 * doc/tm.texi (TARGET_INIT_DWARF_REG_SIZES_EXTRA): Document.
12785 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Call this
12787 * config/rs6000/rs6000.c (TARGET_INIT_DWARF_REG_SIZES_EXTRA,
12788 rs6000_init_dwarf_reg_sizes_extra): New.
12789 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Support
12790 SPE register high parts.
12792 2007-03-01 Brooks Moses <brooks.moses@codesourcery.com>
12794 * Makefile.in: Add install-pdf target as
12795 copied from automake v1.10 rules.
12796 * configure.ac: Add install-pdf to target list.
12797 * configure: Regenerate.
12799 2007-03-01 Paul Brook <paul@codesourcery.com>
12801 * config/arm/arm.c (arm_legitimate_index_p): Limit iWMMXt addressing
12802 modes to LDRD for DImode.
12803 (output_move_double): Fixup out of range ldrd/strd.
12804 (vfp_secondary_reload_class): Rename...
12805 (coproc_secondary_reload_class): ... to this. Add wb argument.
12806 * config/arm/arm.h (SECONDARY_OUTPUT_RELOAD_CLASS): Use
12807 coproc_secondary_reload_class for CLASS_IWMMXT.
12808 (SECONDARY_INPUT_RELOAD_CLASS): Ditto.
12809 * arm-protos.h (coproc_secondary_reload_class): Update prototype.
12811 2007-03-01 Zdenek Dvorak <dvorakz@suse.cz>
12813 * tree-ssa-loop-prefetch.c (determine_unroll_factor): Bound the
12814 unroll factor by the estimated number of iterations.
12815 (loop_prefetch_arrays): Do not prefetch in loops that iterate less
12816 than prefetch latency.
12818 * config/i386/driver-i386.c (describe_cache, detect_caches_amd,
12819 decode_caches_intel, detect_caches_intel): New functions.
12820 (host_detect_local_cpu): Use detect_caches_amd and
12821 detect_caches_intel.
12823 2007-03-01 Richard Henderson <rth@redhat.com>
12825 * expr.c (emit_move_complex_push): Export.
12826 (emit_move_complex_parts): Split out from ...
12827 (emit_move_complex): ... here.
12828 * expr.h (emit_move_complex_push, emit_move_complex_parts): Declare.
12829 * config/i386/i386.md (movcdi): New.
12831 2007-03-01 Uros Bizjak <ubizjak@gmail.com>
12833 * config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
12834 size of mode1 to check for tieable modes in MMX case.
12836 2007-03-01 Richard Sandiford <richard@codesourcery.com>
12838 * Makefile.in (rtlanal.o): Depend on tree.h.
12839 * rtl.h (offset_within_section_p, split_const): Declare.
12840 * rtlanal.c: Include tree.h.
12841 (offset_within_block_p): New function, taken from
12842 mips_offset_within_object_p.
12843 (split_const): New function, taken from mips_split_const.
12844 * config/m68k/m68k-protos.h (m68k_illegitimate_symbolic_constant_p):
12846 * config/m68k/m68k.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
12847 (CONSTANT_ADDRESS_P): Only accept legitimate constants.
12848 (LEGITIMATE_CONSTANT_P): Check m68k_illegitimate_symbolic_constant_p.
12849 * config/m68k/m68k.c (TARGET_CANNOT_FORCE_CONST_MEM): Define.
12850 (m68k_illegitimate_symbolic_constant_p): New function.
12851 * config/m68k/m68k.md (movsi): Remove misleading predicates.
12852 If M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P and the source is a
12853 symbolic constant that might be outside the symbol's section,
12854 move the symbol first and then add the offset.
12855 * config/m68k/uclinux.h (M68K_OFFSETS_MUST_BE_WITHIN_SECTIONS_P):
12857 * config/mips/mips.c (mips_split_const): Delete.
12858 (mips_offset_within_object_p): Delete.
12859 (mips_symbolic_constant_p): Use offset_within_section_p and
12860 split_const instead of mips_offset_within_object_p and
12862 (mips_cannot_force_const_mem, mips_const_insns, mips_unspec_address)
12863 (mips_legitimize_const_move, print_operand_reloc)
12864 (mips_dangerous_for_la25_p): Use split_const instead of
12867 2007-02-28 Eric Christopher <echristo@apple.com>
12869 * Makefile.in (install-include-dir): Don't rm -rf include.
12871 2007-02-28 Richard Guenther <rguenther@suse.de>
12873 PR middle-end/30364
12874 * fold-const.c (fold_binary): Do not associate expressions
12875 with more than one variable for integer types that do not wrap.
12877 2007-02-28 Sandra Loosemore <sandra@codesourcery.com>
12879 * builtins.c (fold_builtin_call_list, fold_builtin_call_valist):
12880 Delete, and replace with...
12881 (fold_builtin_call_array): This. Update callers to use it.
12882 * fold-const.c (fold_build_call_list): Delete, and replace with...
12883 (fold_build_call_array): This.
12884 (fold_build_call_list_initializer): Delete, and replace with...
12885 (fold_build_call_array_initializer): This.
12886 * tree.h: Update declarations to reflect above changes.
12888 * c-typeck.c (build_function_call): Store converted arguments
12889 in a stack-allocated array instead of building a list.
12890 (convert_arguments): Store arguments in the array passed in as an
12891 argument, and return the actual number of arguments.
12892 * c-format.c: (check_function_format): Pass arguments in an
12893 array instead of a list.
12894 * c-common.c (check_function_nonnull): Likewise.
12895 (check_function_sentinel): Likewise.
12896 (check_function_arguments): Likewise.
12897 * c-common.h: Update declarations to reflect above changes.
12899 2007-02-28 Jan Hubicka <jh@suse.cz>
12901 * predict.def (PRED_TREE_EARLY_RETURN, PRED_CONST_RETURN,
12902 PRED_NEGATIVE_RETURN): Update outcomes.
12904 2007-02-28 Bernd Schmidt <bernd.schmidt@analog.com>
12906 * calls.c (emit_library_call_value_1): Handle partial registers
12907 correctly when building up CALL_INSN_FUNCTION_USAGE.
12909 2007-02-27 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12911 * pa/predicates.md (move_src_operand): Allow zero for mode.
12912 * pa/pa.md: Fix constraints for zero CONST_DOUBLE in 64-bit DFmode
12915 2007-02-27 Uros Bizjak <ubizjak@gmail.com>
12918 * config/i386/sse.md (*mov<mode>_internal, *movv4sf_internal,
12919 *movv2df_internal): Enable pattern only for valid operand
12921 * config/i386/i386.c (ix86_modes_tieable_p): For SSE registers,
12922 tie only 128bit modes. For MMX registers, tie only 64bit modes.
12924 2007-02-27 Mike Stump <mrs@apple.com>
12926 * config/darwin-crt3.c: Avoid compilation when compiling for a
12929 2007-02-27 Joseph Myers <joseph@codesourcery.com>
12931 * Makefile.in (PREPROCESSOR_DEFINES, test-protoize-simple): Define
12933 (stmp-int-hdrs, stmp-fixinc, install-headers): Use include-fixed
12934 for fixed headers and limits.h.
12935 (install-include-dir, install-headers-tar, install-headers-cpio,
12936 install-headers-cp, real-install-headers-tar,
12937 real-install-headers-cpio, real-install-headers-cp): Handle
12938 include-fixed as well as include.
12939 (install-mkheaders): Don't install files that go only in include
12941 * cppdefault.c (cpp_include_defaults): Separate FIXED_INCLUDE_DIR
12942 from GCC_INCLUDE_DIR.
12943 * gcc.c (process_command): Remove special -BstageN/ handling.
12944 (do_spec_1): Add include-fixed directories.
12946 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
12948 * config/bfin/t-bfin-elf (LIB1ASMFUNCS): Add _umulsi3_highpart and
12950 * config/bfin/lib1funcs.asm (___umulsi3_highpart, ___smulsi3_highpart):
12952 * config/bfin/bfin.md (smulsi3_highpart, umulsi3_highpart): New
12955 2007-02-27 Mark Mitchell <mark@codesourcery.com>
12957 * c-common.c (get_priority): Add check for
12958 SUPPORTS_INIT_PRIORITY.
12960 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
12962 * config/bfin/bfin.md (doloop_end): FAIL if counter reg isn't SImode.
12964 * config/bfin/bfin.c: Include "cfglayout.h".
12965 (MAX_LSETUP_DISTANCE): New macro.
12966 (struct loop_info): New members incoming, incoming_src and
12967 incoming_dest. Delete member predecessor.
12968 (length_for_loop): New function.
12969 (bfin_optimize_loop): Handle more different loop structures.
12970 (bfin_discover_loop): Rework detection of predecessor blocks by
12971 examining incoming edges.
12972 (bfin_discover_loops, bfin_free_loops): New functions, broken out of
12974 (bfin_reorder_loops): New function.
12975 (bfin_reorg_loops): Use these three new functions.
12977 * config/bfin/bfin.h (enum reg_class, REG_CLASS_NAMES,
12978 REG_CLASS_CONTENTS): Add D0REGS through D7REGS.
12979 (CONSTRAINT_LEN): Add entry for 'q'.
12980 (REG_CLASS_FROM_CONSTRAINT): Renamed from REG_CLASS_FROM_LETTER.
12981 Add 'q' constraints.
12982 (REGNO_REG_CLASS): For R0 through R7, return corresponding regclass.
12983 (CLASS_LIKELY_SPILLED_P): True for R0, R1 and R2.
12985 * config/bfin/bfin.md (add_with_carry): New pattern.
12986 (s_or_u, su_optab, su_modifier): New code macros/attrs.
12987 (<su_optab>hisi_ll, <su_optab>hisi_lh, <su_optab>hisi_hl,
12988 <su_optab>hisi_hh): Renamed from mulhisi_xx patterns; macroized to
12989 support unsigned multiplies too. Removed incorrect commutativity from
12990 operand 1 constraint where appropriate.
12991 (usmulhisi_ull, usmulhisi_ulh, usmulhisi_uhl, usmulhisi_uhh): New
12993 (<su_optab>hisi_ll_lh, <su_optab>hisi_ll_hl, <su_optab>hisi_ll_hh,
12994 <su_optab>hisi_lh_hl, <su_optab>hisi_lh_hh, <su_optab>hisi_hl_hh):
12996 (usmulhisi_ll_lul, usmulhisi_ll_luh, usmulhisi_ll_hul,
12997 usmulhisi_ll_huh, usmulhisi_lh_lul, usmulhisi_lh_luh, usmulhisi_lh_hul,
12998 usmulhisi_lh_huh, usmulhisi_hl_lul, usmulhisi_hl_luh, usmulhisi_hl_hul,
12999 usmulhisi_hl_huh, usmulhisi_hh_lul, usmulhisi_hh_luh, usmulhisi_hh_hul,
13000 usmulhisi_hh_huh): New patterns.
13002 * config/bfin/bfin.md (ssashiftv2hi3, ssashifthi3, lshiftv2hi3,
13003 lshifthi3): Fix output template to use half reg for operand 2.
13005 * config/bfin/bfin.c (bfin_output_mi_thunk): Use R3 as scratch reg
13008 * config/bfin/bfin.md (rotl16, rotlsi3, rotrsi3): New patterns.
13010 2007-02-27 Andreas Schwab <schwab@suse.de>
13012 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-common.texi.
13014 2007-02-27 Jan Hubicka <jh@suse.cz>
13016 * predict.c (last_basic_block_p): Remove.
13017 (tree_estimate_probability): Update return heuristic for commonized
13020 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
13022 * Makefile.in (TEXI_GCCINSTALL_FILES): Add gcc-vers.texi dependency.
13024 2007-02-26 Brooks Moses <brooks.moses@codesourcery.com>
13026 * doc/include/gcc-common.texi (versionsubtitle): New macro.
13027 * doc/cpp.texi: Standardize title page.
13028 * doc/cppinternals.texi: Likewise.
13029 * doc/gcc.texi: Standardize title page, remove version number
13030 from copyright page.
13031 * doc/gccint.texi: Likewise.
13032 * doc/install.texi: Standardize title page, add table of
13035 2007-02-26 Jan Hubicka <jh@suse.cz>
13037 * predict.def: Set outcomes according to more recent results.
13038 (PRED_LOOP_CONDITION, PRED_LOOP_PRECONDITIONING, PRED_LOOP_HEADER):
13039 Remove dead predictors.
13040 * predict.c (return_prediction): Fix pasto.
13042 2007-02-27 Bernd Schmidt <bernd.schmidt@analog.com>
13044 * loop-iv.c (simplify_using_initial_values): Fix oversight in previous
13045 change; avoid a memory leak when returning early.
13047 2007-02-26 Mark Mitchell <mark@codesourcery.com>
13049 * c-decl.c (static_ctors): Move to c-common.c.
13050 (static_dtors): Likewise.
13051 (finish_function): Use c_record_cdtor_fn.
13052 (build_cdtor): Move to c-common.c.
13053 (c_write_global_declarations): Use c_build_cdtor_fns.
13054 * c-common.h (static_ctors): Declare.
13055 (static_dtors): Likewise.
13056 (c_record_cdtor_fn): Likewise.
13057 (c_build_cdtor_fns): Likewise.
13058 * c-common.c (static_ctors): New variable.
13059 (static_dtors): Likewise.
13060 (c_record_cdtor_fn): New function.
13061 (build_cdtor): Move from c-decl.c
13062 (c_build_cdtor_fns): New function.
13064 * output.h (assemble_addr_to_section): Declare.
13065 (get_cdtor_priority_section): Likewise.
13066 * varasm.c (assemble_addr_to_section): New function.
13067 (get_cdtor_priority_section): Likewise.
13068 (default_named_section_asm_out_destructor): Use them.
13069 (destor_dtor_section_asm_out_destructor): Likewise.
13070 (default_named_section_asm_out_constructor): Likewise.
13071 (default_ctor_section_asm_out_constructor): Likewise.
13072 * config.gcc (*-*-vxworks*): Include vxworks.o.
13073 * config/t-vxworks (vxworks.o): New target.
13074 * config/vxworks.h (ALWAYS_NUMBER_CTORS_SECTIONS): Remove.
13075 (TARGET_ASM_CONSTRUCTOR): Define.
13076 (TARGET_ASM_DESTRUCTOR): Likewise.
13077 (vxworks_asm_out_constructor): Declare.
13078 (vxworks_asm_out_destructor): Likewise.
13080 * c-common.c (get_priority): Check that we have not just an
13081 INTEGER_CST, but an integer constant with integeral type.
13083 2007-02-25 Uros Bizjak <ubizjak@gmail.com>
13085 PR tree-optimization/30938
13086 * tree-vect-transform.c (vectorizable_call): Fix off-by-one error:
13087 use &dt[nargs-1] instead of &dt[nargs] in the call to
13088 vect_is_simple_use().
13090 2007-02-25 Ulrich Weigand <uweigand@de.ibm.com>
13092 * reload.c (find_reloads_address_1): Handle PLUS expressions resulting
13093 from register elimination as PRE_MODIFY / POST_MODIFY increments.
13094 Do not attempt to handle MEM inside auto-inc expressions.
13095 * reload1.c (eliminate_regs_1): Do not attempt to handle elimination
13096 of a register modified by an auto-inc expression. However, do handle
13097 elimination of a register used as PRE_MODIFY / POST_MODIFY increment.
13098 (elimination_effects): Prohibit elimination of a register modified
13099 by an auto-inc expression. Disable register elimination rules whose
13100 target register is modified by an auto-inc expression with variable
13103 2007-02-25 Zdenek Dvorak <dvorakz@suse.cz>
13105 * tree-ssa-loop-niter.c (compute_estimated_nb_iterations): Fix
13107 (array_at_struct_end_p): New function.
13108 (idx_infer_loop_bounds): Use it.
13109 (estimate_numbers_of_iterations_loop): Export.
13110 * predict.c (predict_loops): Use estimated_loop_iterations_int.
13111 Do not use PRED_LOOP_EXIT on exits predicted by # of iterations.
13112 (tree_estimate_probability): Call record_loop_exits.
13113 * tree-data-ref.c (get_number_of_iters_for_loop): Replaced by ...
13114 (estimated_loop_iterations, estimated_loop_iterations_int,
13115 estimated_loop_iterations_tree): New functions.
13116 (analyze_siv_subscript_cst_affine,
13117 compute_overlap_steps_for_affine_1_2,
13118 analyze_subscript_affine_affine): Use estimated_loop_iterations_int.
13119 (analyze_miv_subscript): Use estimated_loop_iterations_tree.
13120 * predict.def (PRED_LOOP_ITERATIONS): Update comment.
13121 (PRED_LOOP_ITERATIONS_GUESSED): New.
13122 * cfgloop.c (record_loop_exits): Do nothing if there are no loops.
13123 * cfgloop.h (estimate_numbers_of_iterations_loop,
13124 estimated_loop_iterations_int): Declare.
13126 2007-02-25 Mark Mitchell <mark@codesourcery.com>
13128 * doc/extend.texi: Document optional priority argument to
13129 constructors and destructors.
13130 * tree.c (init_priority_for_decl): Adjust GTY markers.
13131 (init_ttree): Use priority-info hash functions for
13132 init_priority_for_decl.
13133 (tree_map_eq): Rename to ...
13134 (tree_map_base_eq): ... this.
13135 (tree_map_marked_p): Rename to ...
13136 (tree_map_base_marked_p): ... this.
13137 (tree_map_base_hash): New function.
13138 (decl_init_priority_lookup): Rework.
13139 (decl_fini_priority_lookup): New function.
13140 (decl_priority_info): New function.
13141 (decl_init_priority_insert): Use it.
13142 (decl_fini_priority_insert): Likewise.
13143 (decl_restrict_base_lookup): Adjust for refactoring of tree_map
13145 (decl_restrict_base_insert): Likewise.
13146 (decl_debug_expr_insert): Likewise.
13147 (decl_value_expr_lookup): Likewise.
13148 (decl_value_expr_insert): Likewise.
13149 * tree.h (priority_type): New type.
13150 (decl_init_priority_lookup): Use priority_type.
13151 (decl_fini_priority_lookup): New function.
13152 (decl_init_priority_insert): Use priority_type.
13153 (decl_fini_priority_insert): New function.
13154 (DECL_HAS_INIT_PRIORITY): Tweak comments.
13155 (DECL_INIT_PRIORITY): Likewise.
13156 (SET_DECL_INIT_PRIORITY): Add comment.
13157 (DECL_FINI_PRIORITY): New macro.
13158 (SET_DECL_FINI_PRIORITY): Likewise.
13159 (DEFAULT_INIT_PRIORITY): Document.
13160 (MAX_INIT_PRIORITY): Likewise.
13161 (MAX_RESERVED_INIT_PRIORITY): Likewise.
13162 (tree_map_base): New type.
13163 (tree_map_base_eq): New function.
13164 (tree_map_base_hash): Likewise.
13165 (tree_map_base_marked_p): Likewise.
13166 (tree_map): Inherit from tree_map_base.
13167 (tree_map_eq): Make it a macro.
13168 (tree_map_marked_p): Likewise.
13169 (tree_int_map): Inherit from tree_map_base.
13170 (tree_int_map_eq): Make it a macro.
13171 (tree_int_map_hash): Likewise.
13172 (tree_int_map_marked_p): Likewise.
13173 (tree_priority_map): New type.
13174 (tree_priority_map_eq): New macro.
13175 (tree_priority_map_hash): Likewise.
13176 (tree_priority_map_marked_p): Likewise.
13177 * varasm.c (emults_decl): Adjust for refactoring of tree_map
13179 (emutls_common_1): Likewise.
13180 * lambda-code.c (replace_uses_equiv_to_x_with_y): Likewise.
13181 * tree-ssa-structalias.c (heapvar_lookup): Adjust for refactoring
13182 of tree_map hierarchy.
13183 * tree-cfg.c (move_stmt_r): Likewise.
13184 (new_label_mapper): Likewise.
13185 * c-tree.h (c_expand_body): Move to ...
13186 * c-common.h (c_expand_body): ... here.
13187 * c-decl.c (c_expand_body): Move to ...
13188 * c-common.c (c_expand_body): ... here.
13189 (c_common_attribute_table): Allow 1 argument for the constructor
13190 and destructor attributes.
13191 (get_priority): New function.
13192 (handle_constructor_attribute): Set DECL_INIT_PRIORITY.
13193 (handle_destructor_attribute): Set DECL_FINI_PRIORITY.
13195 2007-02-24 Jan Hubicka <jh@suse.cz>
13197 PR middle-end/30509
13198 * tree-inline.c (copy_bb): Produce exact copy of EH info when
13199 copying for inlining.
13201 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
13202 Jan Hubicka <jh@suse.cz>
13205 * i386.c (counter_mode): New function.
13206 (expand_set_or_movmem_via_loop): Use it.
13207 (expand_movmem_epilogue): Likewise; fix pasto.
13208 (ix86_expand_movmem): Do emit guard even for constant counts.
13209 (ix86_expand_setmem): Likewise.
13211 2007-02-25 Nick Clifton <nickc@redhat.com>
13213 * config/frv/frv.h (ASM_OUTPUT_CASE_LABEL): Delete.
13214 (JUMP_TABLES_IN_TEXT_SECTION): Define.
13216 2007-02-24 Uros Bizjak <ubizjak@gmail.com>
13219 * config/i386/i386.md (expand_movmem_epilogue): Fix typo, mask
13220 count argument with 0x10, not with 0x16.
13221 (expand_setmem_epilogue): Ditto.
13223 2007-02-24 Mike Stump <mrs@apple.com>
13225 * config/i386/i386.c (output_pic_addr_const): Stubify optimized
13228 2007-02-24 Richard Guenther <rguenther@suse.de>
13230 PR middle-end/30951
13231 * fold-const.c (fold_binary): Fold x +- CST op x for
13232 EQ_EXPR and NE_EXPR.
13234 2007-02-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13236 * pa.md (muldi3): Force subregs to registers in 64-bit expander.
13238 2007-02-24 Jan Hubicka <jh@suse.cz>
13240 * cgraphunit.c (decide_is_function_needed): Honor
13241 -fkeep-inline-functions.
13243 2007-02-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13245 * builtins.c (fold_builtin_modf): New.
13246 (fold_builtin_2): Use it.
13248 2007-02-24 Bernd Schmidt <bernd.schmidt@analog.com>
13250 * loop-iv.c (implies_p): Detect additional cases where A implies B.
13251 (determine_max_iter): Take additional LOOP arg; all callers changed.
13252 Lose broken logic dealing with PLUS. Try to limit the upper bound by
13253 one using simplifications.
13254 (simplify_using_initial_values): Return if the expression becomes
13255 invalid due to altered regs.
13257 2007-02-23 DJ Delorie <dj@redhat.com>
13259 * doc/tm.h (BIGGEST_ALIGNMENT): Clarify the purpose of this macro.
13261 2007-02-23 Mike Stump <mrs@apple.com>
13263 * tlink.c (scan_linker_output): Parse linker messages from
13264 darwin9's linker better.
13266 2007-02-23 Steve Ellcey <sje@cup.hp.com>
13269 * varpool.c (varpool_assemble_pending_decls): Set
13270 varpool_last_needed_node to null.
13272 2007-02-23 DJ Delorie <dj@redhat.com>
13274 * config/i386/i386.c (ix86_data_alignment): Don't specify an
13275 alignment bigger than the object file can handle.
13277 2007-02-23 Uros Bizjak <ubizjak@gmail.com>
13280 * config/i386/i386.md (*movdi_1_rex64, zero_extendsidi2_32,
13281 zero_extendsidi2_rex64): Penalize MMX register<->memory moves.
13282 (*movsf_1): Penalize MMX moves.
13284 2007-02-23 Bernd Schmidt <bernd.schmidt@analog.com>
13286 * config/bfin/bfin.md (doloop_end): Fail for loops that can iterate
13287 2^32-1 or more times unless flag_unsafe_loop_optimizations.
13289 * loop-iv.c (determine_max_iter): Moved in front of its sole user.
13291 2007-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13293 * builtins.c (fold_builtin_logb, fold_builtin_significand): New.
13294 (fold_builtin_1): Use them.
13295 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle
13296 BUILT_IN_SIGNIFICAND.
13298 2007-02-23 H.J. Lu <hongjiu.lu@intel.com>
13300 * config/i386/i386.c (bdesc_1arg): Initialize
13301 IX86_BUILTIN_MOVSHDUP and IX86_BUILTIN_MOVSLDUP with
13302 "__builtin_ia32_movshdup" and "__builtin_ia32_movsldup".
13303 (ix86_init_mmx_sse_builtins): Remove IX86_BUILTIN_MOVSHDUP
13304 and IX86_BUILTIN_MOVSLDUP.
13306 2007-02-22 Paolo Bonzini <bonzini@gnu.org>
13308 PR rtl-optimization/30841
13309 * fwprop.c (propagate_rtx_1): Accept a VOIDmode replacement address.
13311 2007-02-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13313 * builtins.c (fold_builtin_frexp): New.
13314 (fold_builtin_2): Use it.
13316 2007-02-22 Mark Mitchell <mark@codesourcery.com>
13318 * doc/invoke.texi (Spec Files): Document getenv spec function.
13320 * gcc.c (getenv_spec_function): New function.
13321 (static_spec_functions): Add it.
13322 * config/vxworks.h (VXWORKS_TARGET_DIR): Remove.
13323 (VXWORKS_ADDITIONAL_CPP_SPEC): Use getenv to find the VxWorks
13326 2007-02-22 Michael Matz <matz@suse.de
13329 * dwarf2out.c (add_AT_string): Call ggc_strdup once per string.
13330 (type_tag): Use lang_hooks.dwarf_name instead of DECL_NAME.
13332 2007-02-22 Ian Lance Taylor <iant@google.com>
13335 * dwarf2out.c (concatn_mem_loc_descriptor): New static function.
13336 (mem_loc_descriptor): Call it.
13338 2007-02-22 Zdenek Dvorak <dvorakz@suse.cz>
13339 Ira Rosen <irar@il.ibm.com>
13341 * tree-data-ref.c (ptr_ptr_may_alias_p): Take alias sets into account.
13343 2007-02-22 Ira Rosen <irar@il.ibm.com>
13345 PR tree-optimization/30843
13346 * tree-vect-transform.c (vect_transform_loop): Remove strided scalar
13347 stores only after all the group is vectorized.
13349 2007-02-22 Dorit Nuzman <dorit@il.ibm.com>
13351 PR tree-optimization/30858
13352 * tree-vectorizer.c (vect_is_simple_reduction): Check that the stmts
13353 in the reduction cycle have a single use in the loop.
13354 * tree-vectorizer.h (relevant): Add documentation.
13356 2007-02-20 Mike Stump <mrs@apple.com>
13358 * configure.ac (powerpc*-*-darwin*): #include <sys/cdefs.h>.
13359 * configure: Regenerate.
13361 2007-02-21 Trevor Smigiel <trevor_smigiel@playstation.sony.com>
13363 Change the defaults of some parameters and options.
13364 * config/spu/spu-protos.h (spu_optimization_options): Declare.
13365 * config/spu/spu.c (spu_optimization_options): Add.
13366 (spu_override_options): Change params in spu_optimization_options.
13367 * config/spu/spu.h (OPTIMIZATION_OPTIONS): Define.
13369 Register 127 is only 16 byte aligned when used as a frame pointer.
13370 * config/spu/spu-protos.h (spu_init_expanders): Declare.
13371 * config/spu/spu.c (spu_expand_prologue): Set REGNO_POINTER_ALIGN for
13372 HARD_FRAME_POINTER_REGNUM.
13373 (spu_legitimate_address): Use regno_aligned_for_reload.
13374 (regno_aligned_for_load): HARD_FRAME_POINTER_REGNUM is only 16 byte
13375 aligned when frame_pointer_needed is true.
13376 (spu_init_expanders): New. Set alignment of HARD_FRAME_POINTER_REGNUM
13378 * config/spu/spu.h (INIT_EXPANDERS): Define.
13380 Make sure shift and rotate instructions have valid immediate operands.
13381 * config/spu/predicates.md (spu_shift_operand): Remove.
13382 * config/spu/spu.c (print_operand): Add [efghEFGH] modifiers.
13383 * config/spu/constraints.md (W, O): Extend range.
13384 * config/spu/spu.md (umask, nmask): Define.
13385 (ashl<mode>3, ashldi3, ashlti3_imm, shlqbybi_ti, shlqbi_ti, shlqby_ti,
13386 lshr<mode>3, rotm_<mode>, lshr<mode>3_imm, rotqmbybi_<mode>,
13387 rotqmbi_<mode>, rotqmby_<mode>, ashr<mode>3, rotma_<mode>,
13388 rotl<mode>3, rotlti3, rotqbybi_ti, rotqby_ti, rotqbi_ti): Use
13389 spu_nonmem_operand instead of spu_shift_operands. Use new modifiers.
13390 (lshr<mode>3_reg): Fix rtl description.
13392 Make sure mulhisi immediate operands are valid.
13393 * config/spu/predicates.md (imm_K_operand): Add.
13394 * config/spu/spu.md (mulhisi3_imm, umulhisi3_imm): Use imm_K_operand.
13396 Generate constants using fsmbi and andi.
13397 * config/spu/spu.c (enum immediate_class): Add IC_FSMBI2.
13398 (print_operand, spu_split_immediate, classify_immediate,
13399 fsmbi_const_p): Handle IC_FSMBI2.
13401 Correctly handle a CONST_VECTOR containing symbols.
13402 * config/spu/spu.c (print_operand): Handle HIGH correctly.
13403 (spu_split_immediate): Split CONST_VECTORs with -mlarge-mem.
13404 (immediate_load_p): Allow symbols that use 2 instructions to create.
13405 (classify_immediate, spu_builtin_splats): Don't accept a CONST_VECTOR
13406 with symbols when flag_pic is set.
13407 (const_vector_immediate_p): New.
13408 (logical_immediate_p, iohl_immediate_p, arith_immediate_p): Don't
13409 accept a CONST_VECTOR with symbols.
13410 (spu_legitimate_constant_p): Use const_vector_immediate_p. Don't
13411 accept a CONST_VECTOR with symbols when flag_pic is set. Handle HIGH
13413 * config/spu/spu.md (high, low): Delete.
13414 (low_<mode>): Define.
13416 Remove INTRmode and INTR_REGNUM, which didn't work.
13417 * config/spu/spu.c (spu_conditional_register_usage): Remove reference
13419 * config/spu/spu-builtins.md (spu_idisable, spu_ienable, set_intr,
13420 set_intr_pic, set_intr_cc, set_intr_cc_pic, set_intr_return, unnamed
13421 peephole2 pattern): Don't use INTR or 131.
13422 (movintrcc): Delete.
13423 * config/spu/spu.h (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS,
13424 CALL_USED_REGISTERS, REGISTER_NAMES, INTR_REGNUM): Remove INTR_REGNUM.
13425 * config/spu/spu.md (UNSPEC_IDISABLE, UNSPEC_IENABLE): Remove.
13426 (UNSPEC_SET_INTR): Add.
13427 * config/spu/spu-modes.def (INTR): Remove.
13429 More accurate warnings about run-time relocations.
13430 * config/spu/spu.c (reloc_diagnostic): Test in_section.
13432 Correctly warn about immediate arguments to specific intrinsics.
13433 * config/spu/spu.c (spu_check_builtin_parm): Handle CONST_VECTORs.
13434 (spu_expand_builtin_1): Call spu_check_builtin_parm before checking
13435 the instruction predicate.
13437 Fix tree check errors with latest update.
13438 * config/spu/spu.c (expand_builtin_args, spu_expand_builtin_1): Use
13440 (spu_expand_builtin): Use CALL_EXPR_FN.
13442 Add missing specific intrinsics.
13443 * config/spu/spu-builtins.def: Add si_bisled, si_bisledd and
13445 * config/spu/spu_internals.h: Ditto.
13447 Fix incorrect operand modifiers.
13448 * config/spu/spu-builtins.md (spu_mpy, spu_mpyu): Remove use of %H.
13449 * config/spu/spu.md (xor<mode>3): Change %S to %J.
13451 Optimize one case of zero_extend of a vec_select.
13452 * config/spu/spu.md (_vec_extractv8hi_ze): Add.
13454 Accept any immediate for hbr.
13455 * config/spu/spu.md (hbr): Change s constraints to i.
13457 2007-02-21 Paul Brook <paul@codesourcery.com>
13459 * config/arm/arm.c (thumb2_final_prescan_insn): Don't incrememnt
13460 condexec_count when skipping USE and CLOBBER.
13462 2007-02-21 Nick Clifton <nickc@redhat.com>
13464 * common.opt (Warray-bounds): Add Warning attribute.
13465 (Wstrict-overflow, Wstrict-overflow=, Wcoverage-mismatch):
13467 (fsized-zeroes): Add Optimization attribute.
13468 (fsplit-wide-types, ftree-scev-cprop): Likewise.
13469 * c.opt (Wc++0x-compat): Add Warning attribute.
13471 2007-02-21 Ulrich Weigand <uweigand@de.ibm.com>
13473 PR middle-end/30761
13474 * reload1.c (eliminate_regs_in_insn): In the single_set special
13475 case, attempt to re-recognize the insn before falling back to
13476 having reload fix it up.
13478 2007-02-20 Eric Christopher <echristo@gmail.com>
13480 * config/frv/frv.c (frv_read_argument): Take a tree and int argument.
13481 Rewrite accordingly.
13482 (frv_read_iacc_argument): Ditto.
13483 (frv_expand_set_builtin): Take a call instead of arglist, update for
13485 (frv_expand_unop_builtin): Ditto.
13486 (frv_expand_binop_builtin): Ditto.
13487 (frv_expand_cut_builtin): Ditto.
13488 (frv_expand_binopimm_builtin): Ditto.
13489 (frv_expand_voidbinop_builtin): Ditto.
13490 (frv_expand_int_void2arg): Ditto.
13491 (frv_expand_prefetches): Ditto.
13492 (frv_expand_voidtriop_builtin): Ditto.
13493 (frv_expand_voidaccop_builtin): Ditto.
13494 (frv_expand_load_builtin): Ditto.
13495 (frv_expand_store_builtin): Ditto.
13496 (frv_expand_mdpackh_builtin): Ditto.
13497 (frv_expand_mclracc_builtin): Ditto.
13498 (frv_expand_mrdacc_builtin): Ditto.
13499 (frv_expand_mwtacc_builtin): Ditto.
13500 (frv_expand_builtin): Remove usage of CALL_EXPR_ARGS, update
13503 2007-02-20 Janis Johnson <janis187@us.ibm.com>
13505 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -mcmpb and -mdfp.
13506 * configure.ac (HAVE_GAS_CMPB): Check for assembler support of the
13508 (HAVE_GAS_DFP): Check for assembler support of decimal floating
13509 point instructions.
13510 * configure: Regenerate.
13511 * config.in: Regenerate.
13512 * config/rs6000/rs6000.opt (mcmpb, mdfp): New.
13513 * config/rs6000/rs6000.c (rs6000_override_options): Add CMPB and DFP
13514 masks to power6 and power6x and to POWERPC_MASKS.
13515 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
13517 * config/rs6000/rs6000.h: Check assembler support for CMPB and DFP.
13518 * config/rs6000/sysv4.opt (mprototype): Use variable, not mask.
13519 * config/rs6000/linux64.h (SUBSUBTARGET_OVERRIDE_OPTIONS):
13520 Access PROTOTYPE as variable, not mask.
13522 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
13524 * rtl.h (remove_reg_equal_equiv_notes): New prototype.
13525 * rtlanal.c (remove_reg_equal_equiv_notes): New function.
13526 * combine.c (adjust_for_new_dest): Use it.
13527 * postreload.c (reload_combine): Likewise.
13529 2007-02-20 Steven Bosscher <steven@gcc.gnu.org>
13531 * rtlanal.c (find_reg_equal_equiv_note): Do not find REG_EQ*
13532 notes on an insn with multiple sets, even if single_set returns
13533 non-NULL for that insn.
13535 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13537 * fold-const.c (tree_expr_nonnegative_warnv_p): Handle scalb,
13538 scalbn and scalbln.
13540 2007-02-20 Geoffrey Keating <geoffk@apple.com>
13542 * config/darwin.h (LINK_SPEC): Default -mmacosx-version-min only
13543 if user didn't pass it.
13544 * config/i386/darwin.h (CC1_SPEC): Likewise.
13545 * config/rs6000/darwin.h (CC1_SPEC): Likewise.
13546 (DARWIN_MINVERSION_SPEC): Don't depend on user's setting of
13547 -mmacosx-version-min.
13549 2007-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13550 Uros Bizjak <ubizjak@gmail.com>
13552 * optabs.h (enum optab_index): Add new OTI_scalb.
13553 (scalb_optab): Define corresponding macro.
13554 * optabs.c (init_optabs): Initialize scalb_optab.
13555 * genopinit.c (optabs): Implement scalb_optab using scalb?f3
13557 * builtins.c (expand_builtin_mathfn_2, expand_builtin): Handle
13558 BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L} and BUILT_IN_SCALBLN{,F,L}.
13559 (expand_builtin): Expand BUILT_IN_SCALB{,F,L}, BUILT_IN_SCALBN{,F,L}
13560 and BUILT_IN_SCALBLN{,F,L} using expand_builtin_mathfn_2 if
13561 flag_unsafe_math_optimizations is set.
13563 * config/i386/i386.md (scalbxf3, scalb<mode>3): New expanders
13564 to implement scalbf, scalb and scalbl built-ins as inline x87
13567 2007-02-20 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13568 DJ Delorie <dj@redhat.com>
13571 * diagnostic.c (diagnostic_count_diagnostic): Move -Werror logic to...
13572 (diagnostic_report_diagnostic): ... here, and turn them into real
13573 errors. If warnings are inhibited, no need to do anything.
13575 2007-02-20 Uros Bizjak <ubizjak@gmail.com>
13577 * config/i386/i386.md (expm1xf2): Reorder insn sequence for
13578 better code generation.
13580 2007-02-20 Ben Elliston <bje@au.ibm.com>
13582 * config/m68hc11/m68hc11.h (OVERRIDE_OPTIONS): Remove extra ;.
13584 2007-02-20 Kazu Hirata <kazu@codesourcery.com>
13586 * config/alpha/alpha.c, config/alpha/alpha.md,
13587 config/alpha/lib1funcs.asm, config/alpha/vms-crt0-64.c,
13588 config/alpha/vms-psxcrt0-64.c, config/arc/arc.c,
13589 config/arc/arc.h, config/arm/arm.c, config/arm/arm.md,
13590 config/arm/lib1funcs.asm: Follow spelling conventions.
13592 * config/c4x/c4x.md, config/cris/cris.c, config/crx/crx.c,
13593 config/fr30/fr30.md, config/i386/i386.h,
13594 config/iq2000/iq2000.h, config/iq2000/predicates.md,
13595 config/pa/milli64.S, config/pa/pa.c, config/pa/pa.h,
13596 config/pa/pa.md, config/pa/pa32-regs.h, config/pa/pa64-regs.h,
13597 config/pdp11/pdp11.c, config/pdp11/pdp11.h,
13598 config/rs6000/altivec.md, config/rs6000/rs6000.c,
13599 config/s390/s390-modes.def, config/sparc/netbsd-elf.h,
13600 config/sparc/sparc.c, config/sparc/sparc.h,
13601 config/sparc/sparc.md, config/spu/constraints.md,
13602 config/spu/spu.c, config/stormy16/stormy16.md: Follow spelling
13605 2007-02-20 Alan Modra <amodra@bigpond.net.au>
13608 * varasm.c (use_blocks_for_decl_p): Return false for decls with
13611 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
13613 * doc/invoke.texi (-ftree-lrs): Remove.
13615 2007-02-19 Diego Novillo <dnovillo@redhat.com>
13617 * tree-ssa-pre.c (create_value_expr_from): Initialize POOL to
13620 2007-02-19 Lee Millward <lee.millward@codesourcery.com>
13622 * config/ia64/ia64.c (ia64_expand_builtin): Use the
13623 new CALL_EXPR_FN macro for retrieving the function
13624 declaration of the input expression.
13626 2007-02-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
13628 * c.opt (Waddress): New.
13629 * common.opt (Walways-true): Delete.
13630 (Wstring-literal-comparison): Delete.
13631 * doc/invoke.texi (Warning Options): Delete -Walways-true and
13632 -Wstring-literal-comparison. Add -Waddress.
13634 (Walways-true): Delete.
13635 (Wstring-literal-comparison): Delete.
13636 * doc/extend.texi (#pragma GCC diagnostic): Use -Wformat
13637 consistently instead of -Walways-true in example.
13638 * c-opts.c (c_common_handle_option): -Waddress is enabled by -Wall.
13639 * c-typeck.c (parser_build_binary_op): Replace
13640 -Wstring-literal-comparison and -Walways-true with -Waddress.
13641 * c-common.c (c_common_truthvalue_conversion): Replace -Walways-true
13644 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
13646 * tree-cfg.c (dump_function_to_file): Be prepared for functions
13647 without DECL_STRUCT_FUNCTION initialized.
13649 2007-02-19 Eric Botcazou <ebotcazou@adacore.com>
13651 * gimplify.c (gimplify_init_ctor_preeval_1): Detect potential overlap
13652 due to calls to functions taking pointers as parameters.
13654 2007-02-19 Richard Henderson <rth@redhat.com>
13657 * var-tracking.c (track_expr_p): Disallow AGGREGATE_TYPE_P
13660 2007-02-19 Andreas Krebbel <krebbel1@de.ibm.com>
13662 * config/s390/s390.c (s390_call_saved_register_used,
13663 s390_function_ok_for_sibcall): Adjust the way CALL_EXPR arguments are
13664 accessed to the new scheme.
13666 2007-02-19 Jan-Benedict Glaw <jbglaw@lug-owl.de>
13668 * config/cris/cris.c (cris_movem_load_rest_p, cris_store_multiple_op_p)
13669 (cris_print_index, cris_print_operand, cris_print_operand_address)
13670 (cris_reload_address_legitimized, cris_rtx_costs, cris_address_cost)
13671 (cris_side_effect_mode_ok, cris_valid_pic_const, cris_split_movdx)
13672 (cris_expand_pic_call_address): Use xxx_P predicate macros instead of
13673 GET_CODE () == xxx.
13674 * config/cris/cris.h (SECONDARY_RELOAD_CLASS, EXTRA_CONSTRAINT_Q,
13675 EXTRA_CONSTRAINT_T, BDAP_INDEX_P, BIAP_INDEX_P, SIMPLE_ADDRESS_P,
13676 GO_IF_LEGITIMATE_ADDRESS): Ditto.
13677 * config/cris/cris.md (define_insns: *btst, movdi, *mov_side<mode>)
13678 (*mov_sidesisf, *mov_side<mode>_mem, *mov_sidesisf_mem)
13679 (*clear_side<mode>, movsi, *movsi_internal, *ext_sideqihi)
13680 (*ext_side<mode>si, *op_side<mode>, *op_swap_side<mode>, addsi3)
13681 (*extopqihi_side, *extop<mode>si_side, *extopqihi_swap_side)
13682 (*extop<mode>si_swap_side, addi_mul, *addi,andsi3, andhi3, ashl<mode>3)
13683 (uminsi3, call, call_value): Ditto.
13684 (define_split: indir_to_reg_split, unnamed): Ditto.
13686 2007-02-19 Dorit Nuzman <dorit@il.ibm.com>
13688 PR tree-optimization/30975
13689 * tree-vect-trasnform.c (vect_get_vec_def_for_stmt_copy): Remove
13692 2007-02-18 Eric Christopher <echristo@gmail.com>
13694 * mips.c (mips_prepare_builtin_arg): Add argnum parameter.
13695 Remove use of arglist.
13696 (mips_expand_builtin): Remove use of arglist, pass in expr.
13697 (mips_expand_builtin_direct): Rewrite handling for arglist removal.
13698 (mips_expand_builtin_movtf): Ditto.
13699 (mips_expand_builtin_compare): Ditto.
13701 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
13703 * tree-sra.c (sra_build_assignment): Replace assertion
13704 checking with a comment explaining why it can't be done.
13706 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
13708 PR middle-end/30833
13709 * tree-dump.c (dequeue_and_dump): Add tcc_vl_exp case missed
13710 during CALL_EXPR representation conversion.
13711 * tree-ssa-propagate.c (set_rhs): Likewise.
13713 2007-02-19 Alexandre Oliva <aoliva@redhat.com>
13715 * tree-sra.c (sra_build_assignment): Disable assertion checking
13718 2007-02-18 Roger Sayle <roger@eyesopen.com>
13720 * function.c (gimplify_parameters): Call build_gimple_modify_stmt
13721 instead of calling build2 with a GIMPLE_MODIFY_STMT.
13722 * gimple-low.c (lower_function_body, lower_builtin_setjmp):
13724 * gimplify.c (build_stack_save_restore, gimplify_return_expr,
13725 gimplify_decl_expr, gimplify_self_mod_expr, gimplify_cond_expr,
13726 gimplify_init_ctor_eval_range, gimple_push_cleanup,
13727 gimplify_omp_for, gimplify_omp_atomic_pipeline,
13728 gimplify_omp_atomic_mutex, gimplify_expr, gimplify_one_sizepos,
13729 force_gimple_operand): Likewise.
13730 * ipa-cp.c (constant_val_insert): Likewise.
13731 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
13732 lambda_loopnest_to_gcc_loopnest, replace_uses_equiv_to_x_with_y,
13733 perfect_nestify): Likewise.
13734 * langhooks.c (lhd_omp_assignment): Likewise.
13735 * omp-low.c (lower_rec_input_clauses, lower_reduction_clauses,
13736 lower_copyprivate_clauses, lower_send_clauses,
13737 lower_send_shared_vars, expand_parallel_call,
13738 expand_omp_for_generic, expand_omp_for_static_nochunk,
13739 expand_omp_for_static_chunk, expand_omp_sections,
13740 lower_omp_single_copy, lower_omp_for_lastprivate,
13741 lower_omp_parallel, init_tmp_var, save_tmp_var): Likewise.
13742 * value-prof.c (tree_divmod_fixed_value, tree_mod_pow2,
13743 tree_mod_subtract, tree_ic, tree_stringop_fixed_value):
13746 2007-02-19 Kazu Hirata <kazu@codesourcery.com>
13748 * config/sh/divtab.c, config/sh/sh.c, config/sh/sh.h,
13749 config/sh/sh.md: Follow spelling conventions.
13751 * config/frv/frv.c, config/frv/frv.h, config/frv/frv.md,
13752 config/frv/predicates.md: Follow spelling conventions.
13754 * config/m68k/linux-unwind.h: Fix a comment typo.
13755 * target.h: Follow spelling conventions.
13757 2007-02-18 Roger Sayle <roger@eyesopen.com>
13759 PR rtl-optimization/28173
13760 * simplify-rtx.c (simplify_binary_operation_1) <IOR>: Optimize
13761 (X & C1) | C2 as C2 when (C1 & C2) == C1 and X has no side-effects.
13762 Optimize (X & C1) | C2 as X | C2 when (C1 | C2) == ~0.
13763 Canonicalize (X & C1) | C2 as (X & (C1 & ~C2)) | C2.
13764 <AND>: Canonicalize (X | C1) & C2 as (X & C2) | (C1 & C2).
13766 2007-02-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13768 * builtins.c (fold_builtin_load_exponent): New.
13769 (fold_builtin_2): Use it.
13771 2007-02-18 Steven Bosscher <steven@gcc.gnu.org>
13773 PR rtl-optimization/30773
13774 * local-alloc.c (update_equiv_regs): Do not set reg_equiv_init
13775 if we fail to attach a REG_EQUIV note.
13777 2007-02-18 David Edelsohn <edelsohn@gnu.org>
13778 Roger Sayle <roger@eyesopen.com>
13780 * config/rs6000/rs6000.md (bswapsi2): New define_insn and splitter.
13782 2007-02-18 Sandra Loosemore <sandra@codesourcery.com>
13784 * calls.c (initialize_argument_information): Pass original EXP
13785 and STRUCT_VALUE_ADDR_VALUE instead of a list of arguments. Move
13786 code to split complex arguments here, as part of initializing the
13788 (expand_call): Remove code that builds a list of arguments and
13789 inserts implicit arguments into it. Instead, just count how many
13790 implicit arguments there will be so we can determine the size of
13791 the ARGS array, and let initialize_argument_information do the work.
13792 (split_complex_values): Delete unused function.
13794 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
13796 * tree-eh.c (tree_could_trap_p): Handle VIEW_CONVERT_EXPR.
13798 2007-02-18 Eric Botcazou <ebotcazou@adacore.com>
13800 * calls.c (mem_overlaps_already_clobbered_arg_p): Return true
13801 for arg pointer based indexed addressing.
13803 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
13805 * config/ia64/ia64.h, config/ia64/ia64.md,
13806 config/ia64/predicates.md, config/ia64/sysv4.h: Follow
13807 spelling conventions.
13809 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
13811 * config/m68k/m68k.c (split_di): New.
13812 * config/m68k/m68k-protos.h: Declare split_di.
13813 * config/m68k/m68k.md (extendsidi2*,ashldi3*,ashrdi3*,lshrdi3*):
13814 Improve predicate handling and split constant shifts.
13816 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
13818 * config/m68k/m68k.md (extv,extzv,insv): disable dynamic
13819 parameter for register bitfield operations, general predicates
13822 2007-02-18 Roman Zippel <zippel@linux-m68k.org>
13824 * config/m68k/linux.h (MD_UNWIND_SUPPORT): Define.
13825 * config/m68k/linux-unwind.h: New file.
13827 2007-02-18 Kazu Hirata <kazu@codesourcery.com>
13829 * cfgloop.c, config/alpha/alpha.c, config/bfin/bfin.c,
13830 config/i386/athlon.md, config/ia64/ia64.md,
13831 config/rs6000/rs6000.c, config/s390/s390.c, config/spu/spu.md,
13832 df-problems.c, df.h, fold-const.c, ipa-cp.c, ipa-inline.c,
13833 ipa-prop.h, see.c, struct-equiv.c, tree-inline.c,
13834 tree-ssa-loop-niter.c, tree-vect-analyze.c,
13835 tree-vect-transform.c: Fix comment typos.
13837 2007-02-17 Kazu Hirata <kazu@codesourcery.com>
13839 * sched-deps.c (find_insn_list): Remove.
13840 * sched-int.h: Remove the prototype for find_insn_list.
13842 2007-02-16 Geoffrey Keating <geoffk@apple.com>
13844 * config/darwin.h (LINK_SPEC): Always pass -macosx_version_min
13846 (DARWIN_EXTRA_SPECS): Add %(darwin_minversion).
13847 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Just call
13848 darwin_rs6000_override_options.
13849 (C_COMMON_OVERRIDE_OPTIONS): Expect
13850 darwin_macosx_version_min to be non-NULL always.
13851 (TARGET_C99_FUNCTIONS): Likewise.
13852 (CC1_SPEC): Always pass -mmacosx-version-min to cc1*.
13853 (DARWIN_MINVERSION_SPEC): New.
13854 * config/rs6000/rs6000.c (darwin_rs6000_override_options): New.
13855 * config/i386/darwin.h (CC1_SPEC): Always pass -mmacosx-version-min
13857 (DARWIN_MINVERSION_SPEC): New.
13858 * config/darwin.opt (mmacosx-version-min): Initialize to non-NULL
13860 * config/darwin-c.c (darwin_cpp_builtins): Expect
13861 darwin_macosx_version_min to be non-NULL always.
13863 * config/rs6000/rs6000.c: Clean up trailing whitespace.
13865 2007-02-16 Uros Bizjak <ubizjak@gmail.com>
13867 * config/i386/i386.h (x86_use_xchgb): New.
13868 (TARGET_USE_XCHGB): New macro.
13869 * config/i386/i386.c (x86_use_xchgb): Set for PENT4.
13870 * config/i386/i386.md (*rotlhi3_1 splitter, *rotrhi3_1 splitter):
13871 Split after reload into bswaphi for shifts of 8.
13872 (bswaphi_lowpart): Generate rolw insn for HImode byte swaps.
13873 (*bswaphi_lowpart_1): Generate xchgb for Q registers for TARGET_XCHGB
13874 or when optimizing for size.
13876 2007-02-16 Richard Guenther <rguenther@suse.de>
13877 Christian Bruel <christian.bruel@st.com>
13879 * fold-const.c (tree_swap_operands_p): Treat SSA_NAMEs like
13880 DECLs but prefer SSA_NAMEs over DECLs.
13882 2007-02-16 Richard Guenther <rguenther@suse.de>
13884 * tree-flow-inline.h (single_imm_use_p): Remove.
13885 (zero_imm_uses_p): Likewise.
13886 * tree-ssa-coalesce.c (create_outofssa_var_map): Use has_single_use
13887 instead of single_imm_use_p.
13888 * tree-cfg.c (replace_uses_by): Use has_zero_use instead of
13891 2007-02-16 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
13894 * Makefile.in (SYSTEM_HEADER_DIR): Use single quotes to avoid
13895 nested double- and backquotes.
13897 2007-02-15 Roger Sayle <roger@eyesopen.com>
13899 PR middle-end/30391
13900 * tree.c (expr_align): Handle MODIFY_EXPR. GIMPLE_MODIFY_STMT
13901 should be unreachable.
13902 (build2_stat): Allow construction of MODIFY_EXPR at any time.
13903 For the time being redirect GIMPLE_MODIFY_STMT to the new
13904 (renamed) build_gimple_modify_stmt_stat.
13905 (build2_gimple_stat): Rename to...
13906 (build_gimple_modify_stmt_stat): Now longer take a CODE argument.
13907 Always build a GIMPLE_MODIFY_STMT node.
13908 * tree.h (build2_gimple, build2_gimple_stat): Delete.
13909 (build_gimple_modify_stmt, build_gimple_modify_stmt_stat): New
13912 * tree-cfg.c (factor_computed_gotos, tree_merge_blocks,
13913 gimplify_val): Use build_gimple_modify_stmt instead of build2_gimple.
13914 * tree-complex.c (set_component_ssa_name, expand_complex_move,
13915 expand_complex_div_wide): Likewise.
13916 * tree-ssa-dom.c (record_equivalences_from_stmt): Likewise.
13917 * tree-ssa-loop-im.c (schedule_sm): Likewise.
13918 * tree-ssa-loop-ivopts.c (rewrite_use_nonlinear_expr): Likewise.
13919 * tree-ssa-loop-manip.c (create_iv): Likewise.
13920 * tree-ssa-phiopt.c (conditional_replacement, minmax_replacement,
13921 abs_replacement): Likewise.
13922 * tree-ssa-pre.c (create_expression_by_pieces, poolify_modify_stmt,
13923 realify_fake_stores): Likewise.
13925 * builtins.c (std_expand_builtin_va_start): Build a MODIFY_EXPR
13926 node rather than a GIMPLE_MODIFY_STMT node.
13927 (std_gimpify_va_arg_expr, expand_builtin_va_copy,
13928 fold_builtin_memset, fold_builtin_memory_op, do_mpfr_sincos):
13930 (integer_valued_real_p): Handle MODIFY_EXPR, not GIMPLE_MODIFY_STMT.
13931 * expr.c (expand_expr_real_1): Handle both MODIFY_EXPR and
13932 GIMPLE_MODIFY_STMT.
13934 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
13936 PR middle-end/30433
13937 * fold-const.c (fold_comparison): Add back the
13938 folding of constant complex comparisions.
13940 2007-02-15 Andrew Pinski <andrew_pinski@playstation.sony.com>
13942 PR middle-end/30729
13943 * stmt.c (warn_if_unused_value): VA_ARG_EXPR has side
13944 effects unknown to this function, return early.
13946 2007-02-15 Ian Lance Taylor <iant@google.com>
13948 * lower-subreg.c (move_eh_region_note): New static function.
13949 (resolve_simple_move): Call it.
13950 (decompose_multiword_subregs): Track blocks for which we resolve a
13951 simple move which is also a control flow insn. Pass them to
13952 find_many_sub_basic_blocks.
13953 (pass_lower_subreg): Add TODO_verify_flow.
13954 (pass_lower_subreg2): Likewise.
13956 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
13957 Brooks Moses <brooks.moses@codesourcery.com>
13958 Lee Millward <lee.millward@codesourcery.com>
13960 * tree.h (enum tree_code_class): Add tcc_vl_exp.
13961 (VL_EXP_CLASS_P): New.
13962 (TREE_OPERAND_CHECK): Use TREE_OPERAND_LENGTH instead of
13964 (TREE_OPERAND_CHECK_CODE): Likewise.
13965 (GIMPLE_STMT_OPERAND_CHECK): Likewise.
13966 (TREE_RTL_OPERAND_CHECK): Likewise.
13967 (tree_operand_check_failed): Make second parameter the whole tree
13968 instead of its code. Fixed callers.
13969 (VL_EXP_CHECK): New.
13970 (TREE_OPERAND_LENGTH): New.
13971 (VL_EXP_OPERAND_LENGTH): New.
13972 (CALL_EXPR_FN): New.
13973 (CALL_EXPR_STATIC_CHAIN): New.
13974 (CALL_EXPR_ARGS): New.
13975 (CALL_EXPR_ARG): New.
13976 (call_expr_nargs): New.
13977 (CALL_EXPR_ARGP): New.
13978 (build_nt_call_list): Declare.
13979 (build_vl_exp_stat): Declare.
13980 (build_vl_exp): New.
13981 (build_call_list): Declare.
13982 (build_call_nary): Declare.
13983 (build_call_valist): Declare.
13984 (build_call_array): Declare.
13985 (call_expr_arg): Declare.
13986 (call_expr_argp): Declare.
13987 (call_expr_arglist): Declare.
13988 (fold_build_call_list): Declare.
13989 (fold_build_call_list_initializer): Declare.
13990 (fold_call_expr): Declare to replace fold_builtin.
13991 (fold_builtin_fputs): Update to agree with modified definition.
13992 (fold_builtin_strcpy): Likewise.
13993 (fold_builtin_strncpy): Likewise.
13994 (fold_builtin_memory_chk): Likewise.
13995 (fold_builtin_stxcpy_chk): Likewise.
13996 (fold_builtin_strncpy_chk): Likewise.
13997 (fold_builtin_next_arg): Likewise.
13998 (fold_build_call_expr): Declare.
13999 (fold_builtin_call_list): Declare.
14000 (fold_builtin_call_valist): Declare.
14001 (build_call_expr): Declare.
14002 (validate_arglist): Update to agree with modified definition.
14003 (tree_operand_length): New.
14004 (call_expr_arg_iterator): New.
14005 (init_call_expr_arg_iterator): New.
14006 (next_call_expr_arg): New.
14007 (first_call_expr_arg): New.
14008 (more_call_expr_args_p): New.
14009 (FOR_EACH_CALL_EXPR_ARG): New.
14011 * tree.c (tree_code_class_string): Add entries for tcc_vl_exp
14012 and tcc_gimple_stmt.
14013 (tree_code_size): Update documentation. Use sizeof (tree) rather
14014 than sizeof (char *).
14015 (tree_size): Likewise. Add case for tcc_vl_exp.
14016 (tree_node_structure): Add case for tcc_vl_exp.
14017 (contains_placeholder_p): Likewise.
14018 (substitute_in_expr): Likewise.
14019 (substitute_placeholder_in_expr): Likewise.
14020 (stabilize_reference_1): Likewise.
14021 (build3_stat): Remove logic for CALL_EXPRs. Replace with assertion
14022 to diagnose breakage of this interface for constructing CALL_EXPRs.
14023 (build_nt): Add similar assertion here.
14024 (build_nt_call_list): New.
14025 (simple_cst_equal) <CALL_EXPR>: Rewrite to use new accessors.
14026 (iterative_hash_expr): Use TREE_OPERAND_LENGTH instead of
14028 (get_callee_fndecl): Use new CALL_EXPR accessors.
14029 (tree_operand_check_failed): Change parameters to pass entire node
14030 instead of its code, so that we can call TREE_OPERAND_LENGTH on it.
14031 (process_call_operands): New.
14032 (build_vl_exp_stat): New.
14033 (build_call_list): New.
14034 (build_call_nary): New.
14035 (build_call_valist): New.
14036 (build_call_array): New.
14037 (walk_tree): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
14038 (call_expr_arglist): New.
14040 * tree.def (CALL_EXPR): Change representation of CALL_EXPRs to use
14041 tcc_vl_exp instead of a fixed-size tcc_expression.
14043 * doc/c-tree.texi (CALL_EXPR): Document new representation and
14044 accessors for CALL_EXPRs.
14045 (AGGR_INIT_EXPR): Likewise.
14047 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
14048 Brooks Moses <brooks.moses@codesourcery.com>
14049 Lee Millward <lee.millward@codesourcery.com>
14051 * builtins.c (c_strlen): Return NULL_TREE instead of 0.
14052 (expand_builtin_nonlocal_goto): Change parameter to be entire
14053 CALL_EXPR instead of an arglist. Use new CALL_EXPR accessors.
14054 (expand_builtin_prefetch): Likewise.
14055 (expand_builtin_classify_type): Likewise.
14056 (mathfn_built_in): Return NULL_TREE instead of 0.
14057 (expand_errno_check): Use new CALL_EXPR accessors.
14058 (expand_builtin_mathfn): Use new CALL_EXPR accessors and constructors.
14059 Return NULL_RTX instead of 0.
14060 (expand_builtin_mathfn_2): Likewise.
14061 (expand_builtin_mathfn_3): Likewise.
14062 (expand_builtin_interclass_mathfn): Likewise.
14063 (expand_builtin_sincos): Likewise.
14064 (expand_builtin_cexpi): Likewise.
14065 (expand_builtin_int_roundingfn): Likewise.
14066 (expand_builtin_int_roundingfn_2): Likewise.
14067 (expand_builtin_pow): Likewise.
14068 (expand_builtin_powi): Likewise.
14069 (expand_builtin_strlen): Pass entire CALL_EXPR as parameter instead
14070 of arglist, fixing callers appropriately. Use new CALL_EXPR
14071 accessors and constructors. Return NULL_RTX instead of 0.
14072 (expand_builtin_strstr): Likewise.
14073 (expand_builtin_strchr): Likewise.
14074 (expand_builtin_strrchr): Likewise.
14075 (expand_builtin_strpbrk): Likewise.
14076 (expand_builtin_memcpy): Likewise.
14077 (expand_builtin_mempcpy): Likewise.
14078 (expand_builtin_mempcpy_args): New.
14079 (expand_builtin_memmove): Similarly to expand_builtin_mempcpy.
14080 (expand_builtin_memmove_args): New.
14081 (expand_builtin_bcopy): Similarly to expand_builtin_mempcpy.
14082 (expand_movstr): Likewise.
14083 (expand_builtin_strcpy): Likewise.
14084 (expand_builtin_strcpy_args): New.
14085 (expand_builtin_stpcpy): Similarly to expand_builtin_strcpy.
14086 (expand_builtin_strncpy): Likewise.
14087 (expand_builtin_memset): Likewise.
14088 (expand_builtin_memset_args): New.
14089 (expand_builtin_bzero): Similarly to expand_builtin_memset.
14090 (expand_builtin_memcmp): Likewise.
14091 (expand_builtin_strcmp): Likewise.
14092 (expand_builtin_strncmp): Likewise.
14093 (expand_builtin_strcat): Likewise.
14094 (expand_builtin_strncat): Likewise.
14095 (expand_builtin_strspn): Likewise.
14096 (expand_builtin_strcspn): Likewise.
14097 (expand_builtin_args_info): Likewise.
14098 (expand_builtin_va_start): Likewise.
14099 (gimplify_va_arg_expr): Likewise.
14100 (expand_builtin_va_end): Likewise.
14101 (expand_builtin_va_copy): Likewise.
14102 (expand_builtin_frame_address): Likewise.
14103 (expand_builtin_alloca): Likewise.
14104 (expand_builtin_bswap): Likewise.
14105 (expand_builtin_unop): Likewise.
14106 (expand_builtin_fputs): Likewise.
14107 (expand_builtin_expect): Likewise.
14108 (expand_builtin_fabs): Likewise.
14109 (expand_builtin_copysign): Likewise.
14110 (expand_builtin_printf): Likewise.
14111 (expand_builtin_fprintf): Likewise.
14112 (expand_builtin_sprintf): Likewise.
14113 (expand_builtin_init_trampoline): Likewise.
14114 (expand_builtin_signbit): Likewise.
14115 (expand_builtin_fork_or_exec): Likewise.
14116 (expand_builtin_sync_operation): Likewise.
14117 (expand_builtin_compare_and_swap): Likewise.
14118 (expand_builtin_lock_test_and_set): Likewise.
14119 (expand_builtin_lock_release): Likewise.
14120 (expand_builtin): Likewise.
14121 (builtin_mathfn_code): Likewise.
14123 (fold_builtin_constant_p): Pass call arguments individually instead
14124 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
14125 accessors and constructors. Return NULL_TREE instead of 0.
14126 (fold_builtin_expect): Likewise.
14127 (fold_builtin_classify_type): Likewise.
14128 (fold_builtin_strlen): Likewise.
14129 (fold_builtin_nan): Likewise.
14130 (integer_valued_real_p): Likewise.
14131 (fold_trunc_transparent_mathfn): Likewise.
14132 (fold_fixed_mathfn): Likewise.
14133 (fold_builtin_cabs): Likewise.
14134 (fold_builtin_sqrt): Likewise.
14135 (fold_builtin_cbrt): Likewise.
14136 (fold_builtin_cos): Likewise.
14137 (fold_builtin_cosh): Likewise.
14138 (fold_builtin_tan): Likewise.
14139 (fold_builtin_sincos): Likewise.
14140 (fold_builtin_cexp): Likewise.
14141 (fold_builtin_trunc): Likewise.
14142 (fold_builtin_floor): Likewise.
14143 (fold_builtin_ceil): Likewise.
14144 (fold_builtin_round): Likewise.
14145 (fold_builtin_int_roundingfn): Likewise.
14146 (fold_builtin_bitop): Likewise.
14147 (fold_builtin_bswap): Likewise.
14148 (fold_builtin_logarithm): Likewise.
14149 (fold_builtin_hypot): Likewise.
14150 (fold_builtin_pow): Likewise.
14151 (fold_builtin_powi): Likewise.
14152 (fold_builtin_exponent): Likewise.
14153 (fold_builtin_memset): Likewise.
14154 (fold_builtin_bzero): Likewise.
14155 (fold_builtin_memory_op): Likewise.
14156 (fold_builtin_bcopy): Deleted; call site changed to invoke
14157 fold_builtin_memory_op directly.
14158 (fold_builtin_strcpy): Similarly as for fold_builtin_memory_op.
14159 (fold_builtin_strncpy): Likewise.
14160 (fold_builtin_memcmp): Likewise.
14161 (fold_builtin_strcmp): Likewise.
14162 (fold_builtin_strncmp): Likewise.
14163 (fold_builtin_signbit): Likewise.
14164 (fold_builtin_copysign): Likewise.
14165 (fold_builtin_isascii): Likewise.
14166 (fold_builtin_toascii): Likewise.
14167 (fold_builtin_isdigit): Likewise.
14168 (fold_builtin_fabs): Likewise.
14169 (fold_builtin_abs): Likewise.
14170 (fold_builtin_fmin_fmax): Likewise.
14171 (fold_builtin_carg): Likewise.
14172 (fold_builtin_classify): Likewise.
14173 (fold_builtin_unordered_cmp): Likewise.
14175 (fold_builtin_0, fold_builtin_2, fold_builtin_3, fold_builtin_4):
14176 New functions split out from fold_builtin_1.
14177 (fold_builtin_n): New.
14178 (fold_builtin_varargs): New.
14179 (fold_builtin): Deleted. Most callers changed to use fold_call_expr
14181 (fold_call_expr): New.
14182 (build_function_call_expr): Rewrite to use new helper function.
14183 (fold_builtin_call_list): New.
14184 (build_call_expr): New.
14185 (fold_builtin_call_valist): New.
14186 (rewrite_call_expr): New.
14187 (validate_arg): New.
14188 (validate_arglist): Change parameter to be entire CALL_EXPR instead
14189 of an arglist. Change return type to bool. Use new CALL_EXPR
14192 (fold_builtin_strstr): Pass call arguments individually instead
14193 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
14194 accessors and constructors. Return NULL_TREE instead of 0.
14195 (fold_builtin_strchr): Likewise.
14196 (fold_builtin_strrchr): Likewise.
14197 (fold_builtin_strpbrk): Likewise.
14198 (fold_builtin_strcat): Likewise.
14199 (fold_builtin_strncat): Likewise.
14200 (fold_builtin_strspn): Likewise.
14201 (fold_builtin_strcspn): Likewise.
14202 (fold_builtin_fputs): Likewise.
14203 (fold_builtin_next_arg): Likewise.
14204 (fold_builtin_sprintf): Likewise.
14206 (expand_builtin_object_size): Use new CALL_EXPR accessors. Use
14207 NULL_RTX instead of 0.
14208 (expand_builtin_memory_chk): Likewise.
14209 (maybe_emit_chk_warning): Likewise.
14210 (maybe_emit_sprintf_chk_warning): Likewise.
14212 (fold_builtin_object_size): Pass call arguments individually instead
14213 of as an arglist, fixing callers appropriately. Use new CALL_EXPR
14214 accessors and constructors. Return NULL_TREE instead of 0.
14215 (fold_builtin_memory_chk): Likewise.
14216 (fold_builtin_stxcpy_chk): Likewise.
14217 (fold_builtin_strncpy_chk): Likewise.
14218 (fold_builtin_strcat_chk): Likewise.
14219 (fold_builtin_strcat_chk): Likewise.
14220 (fold_builtin_strncat_chk): Likewise.
14221 (fold_builtin_sprintf_chk): Likewise.
14222 (fold_builtin_snprintf_chk): Likewise.
14223 (fold_builtin_printf): Likewise.
14224 (fold_builtin_vprintf): Likewise.
14226 * fold-const.c (negate_expr_p): Use new CALL_EXPR accessors and
14228 (operand_equal_p): Add separate tcc_vl_exp/CALL_EXPR case.
14229 (make_range): Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
14230 (extract_muldiv_1): Add VL_EXP_CLASS_P case.
14231 (fold_mathfn_compare): Use new CALL_EXPR accessors and constructors.
14232 (fold_unary): Likewise.
14233 (fold_binary): Likewise.
14234 (fold_ternary): Remove CALL_EXPR case, since they are no longer
14235 ternary expressions.
14236 (fold): Add logic for tcc_vl_exp.
14237 (fold_checksum_tree): Make it know about tcc_vl_exp. Use
14238 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
14239 (fold_build3_stat): Add assertion to flag broken interface for
14240 constructing CALL_EXPRs.
14241 (fold_build_call_list): New.
14242 (fold_build_call_list_initializer): New.
14243 (tree_expr_nonnegative_p): Use new CALL_EXPR accessors and
14245 (fold_strip_sign_ops): Likewise.
14247 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
14248 Brooks Moses <brooks.moses@codesourcery.com>
14249 Lee Millward <lee.millward@codesourcery.com>
14251 * tree-dump.c (dequeue_and_dump) <CALL_EXPR>: Use new CALL_EXPR
14252 accessors and dump arguments explicitly.
14254 * tree-pretty-print.c (do_niy): Use TREE_OPERAND_LENGTH instead of
14256 (dump_generic_node): Use new CALL_EXPR accessors and walk arguments
14258 (print_call_name): Use new CALL_EXPR accessors.
14260 * print-tree.c (print_node): Add case tcc_vl_exp. Print
14261 CALL_EXPR arguments explicitly instead of as a list. Use
14262 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
14264 * tree-vrp.c (stmt_interesting_for_vrp): Use new CALL_EXPR accessors.
14265 (vrp_visit_stmt): Likewise.
14267 * tree-ssa-loop-im.c (outermost_invariant_loop_expr): Make it
14268 know about tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of
14270 (force_move_till_expr): Likewise.
14272 * targhooks.c (default_external_stack_protect_fail): Use
14273 build_call_expr instead of build_function_call_expr.
14274 (default_hidden_stack_protect_fail): Likewise.
14276 * tree-complex.c (expand_complex_libcall): Use build_call_expr to
14279 * cgraphbuild.c (build_cgraph_edges): Use new CALL_EXPR accessors
14280 and walk arguments explicitly.
14282 * tree-ssa-loop-niter.c (simplify_replace_tree): Use
14283 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
14284 (expand_simple_operations): Likewise.
14285 (infer_loop_bounds_from_array): Use new CALL_EXPR accessors.
14287 * gengtype.c (adjust_field_tree_exp): Use TREE_OPERAND_LENGTH instead
14288 of TREE_CODE_LENGTH.
14289 (walk_type): Tweak walking of arrays not to blow up on CALL_EXPRs.
14291 * optabs.c (expand_widen_pattern-expr): Use TREE_OPERAND_LENGTH
14292 instead of TREE_CODE_LENGTH.
14294 * value_prof.c (tree_ic): Use new CALL_EXPR accessors.
14295 (tree_ic_transform): Likewise.
14296 (interesting_stringop_to_profile_p): Pass entire CALL_EXPR as
14297 parameter instead of arglist. Fix callers.
14298 (tree_stringop_fixed_value): Use new CALL_EXPR accessors.
14299 (tree_stringops_transform): Likewise.
14300 (tree_indirect_call_to_profile): Likewise.
14301 (tree_stringops_values_to_profile): Likewise.
14303 * tree-tailcall.c (find_tail_calls): Use new CALL_EXPR iterator.
14304 (eliminate_tail_call): Likewise.
14306 * ipa-cp.c (ipcp_update_callgraph): Use new CALL_EXPR accessors.
14308 * tree-scalar-evolution.c (chrec_contains_symbols_defined_in_loop):
14309 Use TREE_OPERAND_LENGTH and generalize to handle any number of
14311 (instantiate_parameters_1): Can't handle tcc_vl_exp here.
14313 * omp-low.c (build_omp_barrier): Use build_call_expr.
14314 (lower_rec_input_clauses): Likewise.
14315 (lower_reduction_clauses): Likewise.
14316 (expand_parallel_call): Likewise.
14317 (maybe_catch_exception): Likewise.
14318 (expand_omp_for_generic): Likewise.
14319 (expand_omp_for_static_nochunk): Likewise.
14320 (expand_omp_sections): Likewise.
14321 (lower_omp_single_simple): Likewise.
14322 (lower_omp_single_copy): Likewise.
14323 (lower_omp_master): Likewise.
14324 (lower_omp_ordered): Likewise.
14325 (lower_omp_critical): Likewise.
14327 * ipa-reference.c (check-call): Use new CALL_EXPR iterator.
14328 (scan_for_static_refs): Create tcc_vl_exp case for CALL_EXPR.
14330 * tree-gimple.c (is_gimple_call_addr): Fix doc.
14331 (recalculate_side_effects): Use TREE_OPERAND_LENGTH instead of
14332 TREE_CODE_LENGTH. Add tcc_vl_exp case.
14334 * tree-chrec.c (chrec_contains_symbols): Use TREE_OPERAND_LENGTH
14335 and generalize to handle any number of operands.
14336 (chrec_contains_undetermined): Likewise.
14337 (tree_contains_chrecs): Likewise.
14338 (evolution_function_is_invariant_rec_p): Use TREE_OPERAND_LENGTH.
14340 * cgraphunit.c (update_call_expr): Use new CALL_EXPR accessors.
14342 * tree-ssa-ccp.c (ccp_fold): Use new CALL_EXPR accessors. Use
14343 fold_call_expr instead of fold_builtin.
14344 (ccp_fold_builtin): Likewise. Update calls into builtins.c to
14345 match declarations there.
14346 (fold_stmt): Use new CALL_EXPR constructor and accessors. Doc
14349 * tree-ssa-loop-ivopts.c (expr_invariant_in_loop_p): Use
14350 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
14352 * ipa-pure-const.c (check_call): Use new CALL_EXPR accessors.
14353 (scan_function): Add case tcc_vl_exp for CALL_EXPR.
14355 * tree-stdarg.c (execute_optimize_stdarg): Use new CALL_EXPR
14358 * tree-ssa-math-opts.c (execute_cse_sincos_1): Use build_call_expr.
14359 (execute_cse_sincos): Use new CALL_EXPR accessors.
14361 * tree-ssa-alias.c (find_used_portions): Use new CALL_EXPR iterator.
14363 * gimple-low.c (lower_function_body): Use build_call_expr.
14364 (lower_builtin_setjmp): Likewise.
14366 * expr.c (emit_block_move_via_libcall): Use build_call_expr.
14367 (set_storage_via_libcall): Likewise.
14368 (safe_from_p): Add tcc_vl_exp case. Use TREE_OPERAND_LENGTH
14369 instead of TREE_CODE_LENGTH.
14370 (expand_expr_real_1): Use new CALL_EXPR accessors.
14372 * tree-browser.c (store_child_info): Use TREE_OPERAND_LENGTH and
14373 generalize to handle any number of operands.
14374 (TB_parent_eq): Likewise.
14376 * predict.c (expr_expected_value): Use new CALL_EXPR accessors.
14377 (strip_builtin_expect): Likewise.
14379 * function.c (gimplify_parameters): Use build_call_expr.
14381 * tree-vectorizer.c (vect_is_simple_reduction): Use
14382 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
14384 * ipa-type-escape.c (check_call): Use new CALL_EXPR iterators.
14385 (scan_for_refs): Add case tcc_vl_exp for CALL_EXPR.
14387 * tree-data-ref.c (get_references_in_stmt): Use new CALL_EXPR
14390 * gimplify.c (build_stack_save_restore): Use build_call_expr.
14391 (gimplify_decl_expr): Likewise.
14392 (gimplify_call_expr): Use fold_call_expr instead of fold_builtin.
14393 Use new CALL_EXPR iterators.
14394 (gimplify_modify_expr_to_memcpy): Use build_call_expr.
14395 (gimplify_modify_expr_to_memset): Likewise.
14396 (gimplify_variable_sized_compare): Likewise.
14397 (gimplify_omp_atomic_fetch_op): Likewise.
14398 (gimplify_omp_atomic_pipeline): Likewise.
14399 (gimplify_omp_atomic_mutex): Likewise.
14400 (gimplify_function_tree): Likewise.
14402 * calls.c (alloca_call_p): Use new CALL_EXPR accessors.
14403 (call_expr_flags): Likewise.
14404 (expand_call): Likewise.
14406 * except.c (expand_builtin_eh_return_data_regno): Pass entire
14407 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
14410 * coverage.c (create_coverage): Use build_call_expr.
14412 * tree-ssa-pre.c (expression_node_pool, list_node_pool): Delete.
14413 (temp_call_expr_obstack): New.
14414 (pool_copy_list): Delete.
14415 (temp_copy_call_expr): New.
14416 (phi_translate): Add case tcc_vl_exp for CALL_EXPR. Use new
14417 CALL_EXPR accessors. Get rid of special goo for copying argument
14418 lists and use temp_copy_call_expr instead.
14419 (valid_in_sets): Add case tcc_vl_exp for CALL_EXPR. Use new
14420 CALL_EXPR accessors.
14421 (create_expression_by_pieces): Likewise. Use build_call_array
14422 to construct the result instead of fold_build3.
14423 (create_value_expr_from): Add tcc_vl_exp. Delete special goo for
14424 dealing with argument lists.
14425 (init_pre): Remove references to expression_node_pool and
14426 list_node_pool. Init temp_call_expr_obstack instead.
14427 (fini_pre): Remove references to expression_node_pool and
14430 * tree-sra.c (sra_walk_call_expr): Use new CALL_EXPR accessors
14431 and walk arguments explicitly instead of as a list.
14433 * tree-mudflap.c (mf_build_check_statement_for): Use build_call_expr.
14434 (mx_register_decls): Likewise.
14435 (mudflap_register_call): Likewise.
14436 (mudflap_finish_file): Likewise.
14438 * ipa-prop.c (ipa_callsite_compute_count): Use new CALL_EXPR accessors.
14439 (ipa_callsite_compute_param): Likewise.
14441 * tree-vect-patterns.c (vect_recog_pow_pattern): Use new CALL_EXPR
14442 accessors and constructor.
14444 * tree-nested.c (convert_nl_goto_reference): Use new CALL_EXPR
14445 accessors and constructor.
14446 (convert_tramp_reference): Likewise.
14447 (convert_call_expr): Likewise.
14448 (finalize_nesting_tree_1): Likewise.
14450 * tree-ssa.c (tree_ssa_useless_type_conversion): Use new CALL_EXPR
14453 * tree-ssa-loop-prefetch.c (issue_prefetch_ref): Use build_call_expr.
14455 * tree-inline.c (initialize_inlined_parameters): Pass entire
14456 CALL_EXPR as parameter instead of arglist. Use new CALL_EXPR
14458 (estimate_num_insns_1): Use new CALL_EXPR accessors.
14459 (expand_call_inline): Tidy up call to initialize_inlined_parameters.
14461 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use
14462 TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
14463 (vectorizable_reduction): Likewise.
14464 (vectorizable_call): Use new CALL_EXPR iterators.
14465 (vectorizable_conversion): Use build_call_expr.
14466 (vectorizable_operation): Use TREE_OPERAND_LENGTH.
14467 (vect_gen_widened_results_half): Use build_call_expr.
14468 (vect_setup_realignment): Likewise.
14469 (vectorizable_live_operation): Use TREE_OPERAND_LENGTH.
14471 * tree-object-size.c (alloc_object_size): Use new CALL_EXPR accessors.
14472 (pass_through_call): Likewise.
14473 (compute_object_sizes): Likewise. Use fold_call_expr instead of
14476 * tree-profile.c (tree_gen_interval_profiler): Use build_call_expr.
14477 (tree_gen_pow2_profiler): Likewise.
14478 (tree_gen_one_value_profiler): Likewise.
14479 (tree_gen_ic_func_profiler): Likewise.
14480 (tree_gen_average_profiler): Likewise.
14481 (tree_gen_ior_profiler): Likewise.
14483 * tree-ssa-structalias.c (get_constraint_for): Add case tcc_vl_exp.
14484 (find_func_aliases): Use new CALL_EXPR accessors. Add case
14485 tcc_vl_exp. Use TREE_OPERAND_LENGTH instead of TREE_CODE_LENGTH.
14487 * tree-ssa-reassoc.c (get_rank): Use TREE_OPERAND_LENGTH instead
14488 of TREE_CODE_LENGTH.
14490 * stmt.c (warn_if_unused_value): Use TREE_OPERAND_LENGTH instead
14491 of TREE_CODE_LENGTH.
14493 * convert.c (convert_to_real): Use new CALL_EXPR accessors and
14495 (convert_to_integer): Likewise.
14497 * tree-ssa-operands.c (get_call_expr_operands): Use new CALL_EXPR
14500 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
14501 Brooks Moses <brooks.moses@codesourcery.com>
14502 Lee Millward <lee.millward@codesourcery.com>
14504 * config/alpha/alpha.c (alpha_expand_builtin): Use new CALL_EXPR
14506 * config/frv/frv.c (frv_expand_builtin): Likewise.
14507 * config/s390/s390.c (s390_expand_builtin): Likewise.
14509 * config/sparc/sparc.c (sparc_gimplify_va_arg): Use build_call_expr.
14510 (sparc_expand_builtin): Use new CALL_EXPR accessors.
14512 * config/i386/i386.c (ix86_function_ok_for_sibcall): Likewise.
14513 (ix86_expand_binop_builtin): Pass entire CALL_EXPR as parameter
14514 instead of arglist. Use new CALL_EXPR accessors on it. Fix callers.
14515 (ix86_expand_store_builtin): Likewise.
14516 (ix86_expand_unop_builtin): Likewise.
14517 (ix86_expand_unop1_builtin): Likewise.
14518 (ix86_expand_sse_compare): Likewise.
14519 (ix86_expand_sse_comi): Likewise.
14520 (ix86_expand_vec_init_builtin): Likewise.
14521 (ix86_expand_vec_ext_builtin): Likewise.
14522 (ix86_expand_vec_set_builtin): Likewise.
14523 (ix86_expand_builtin): Use new CALL_EXPR accessors.
14525 * config/sh/sh.c (sh_expand_builtin): Use new CALL_EXPR accessors.
14526 * config/c4x/c4x.c (c4x_expand_builtin): Likewise.
14528 * config/iq2000/iq2000.c (expand_one_builtin): Pass entire CALL_EXPR
14529 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
14530 (iq2000_expand_builtin): Use new CALL_EXPR accessors.
14532 * config/rs6000/rs6000-c.c (altivec_build_resolved_builtin): Use
14534 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Likewise.
14535 (rs6000_expand_unop_builtin): Pass entire CALL_EXPR instead of
14536 arglist. Use new CALL_EXPR accessors. Fix callers.
14537 (altivec_expand_abs_builtin): Likewise.
14538 (rs6000_expand_binop_builtin): Likewise.
14539 (altivec_expand_predicate_builtin): Likewise.
14540 (altivec_expand_lv_builtin): Likewise.
14541 (spe_expand_stv_builtin): Likewise.
14542 (altivec_expand_stv_builtin): Likewise.
14543 (rs6000_expand_ternop_builtin): Likewise.
14544 (altivec_expand_ld_builtin): Use new CALL_EXPR accessors.
14545 (altivec_expand_st_builtin): Likewise.
14546 (altivec_expand_dst_builtin): Likewise.
14547 (altivec_expand_vec_init_builtin): Pass entire CALL_EXPR instead of
14548 arglist. Use new CALL_EXPR accessors. Fix callers.
14549 (altivec_expand_vec_set_builtin): Likewise.
14550 (altivec_expand_vec_ext_builtin): Likewise.
14551 (altivec_expand_builtin): Use new CALL_EXPR accessors.
14552 (spe_expand_builtin): Likewise.
14553 (spe_expand_predicate_builtin): Pass entire CALL_EXPR instead of
14554 arglist. Use new CALL_EXPR accessors. Fix callers.
14555 (spe_expand_evsel_builtin): Likewise.
14556 (rs6000_expand_builtin): Use new CALL_EXPR accessors. VCFUX and
14557 FCFSX cases must construct whole new CALL_EXPR, not just arglist.
14559 * config/arm/arm.c (arm_expand_binop_builtin): Pass entire CALL_EXPR
14560 instead of arglist. Use new CALL_EXPR accessors. Fix callers.
14561 (arm_expand_unop_builtin): Likewise.
14562 (arm_expand_builtin): Use new CALL_EXPR accessors.
14564 * config/mips/mips.c (mips_expand_builtin): Use new CALL_EXPR
14567 * config/bfin/bfin.c (bfin_expand_binop_builtin): Pass entire
14568 CALL_EXPR instead of arglist. Use new CALL_EXPR accessors.
14570 (bfin_expand_unop_builtin): Likewise.
14571 (bfin_expand_builtin): Use new CALL_EXPR accessors.
14573 2007-02-15 Sandra Loosemore <sandra@codesourcery.com>
14574 Brooks Moses <brooks.moses@codesourcery.com>
14575 Lee Millward <lee.millward@codesourcery.com>
14577 * c-semantics.c (build_stmt): Add internal diagnostic check.
14579 * c-pretty-print.c (pp_c_postfix_expression): Use new CALL_EXPR
14580 accessors. Print arguments explicitly instead of as a list.
14582 * c-typeck.c (build_function_call): Use new CALL_EXPR constructors.
14584 * c-omp.c (c_finish_omp_barrier): Use build_call_expr.
14585 (c_finish_omp_flish): Likewise.
14587 * c-common.c (verify_tree): Use new CALL_EXPR accessors. Traverse
14588 arguments explicitly instead of as a list. Use TREE_OPERAND_LENGTH
14589 instead of TREE_CODE_LENGTH.
14590 (check_function_arguments_recurse): Use new CALL_EXPR accessors.
14591 (c_warn_unused_result): Likewise.
14593 2007-02-15 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
14596 * doc/invoke.texi (Warning Options): Remove
14597 -Werror-implicit-function-declaration.
14598 (Wimplicit-function-declaration): Update description.
14599 * opts.c (common_handle_option): Move handling of -Werror=* to...
14600 (enable_warning_as_error): ...here.
14601 * opts.h (enable_warning_as_error): Declare.
14602 * c-decl.c (implicit_decl_warning): Unless
14603 -Wno-implicit-function-declaration is given, emit a pedwarn if
14604 -std=c99 or emit a warning if -Wimplicit-function-declaration.
14605 * c.opt (Wimplicit-function-declaration): Replace
14606 mesg_implicit_function_declaration with
14607 warn_implicit_function_declaration.
14608 * c-opts.c (c_common_handle_option):
14609 -Werror-implicit-function-declaration is exactly equal as
14610 -Werror=implicit-function-declaration.
14611 (set_Wimplicit): Replace mesg_implicit_function_declaration with
14612 warn_implicit_function_declaration.
14613 (c_common_post_options): -Wimplict-function-declaration is enabled
14614 by default by -std=c99, otherwise is disabled by default.
14615 * c-objc-common.c (c_objc_common_init): Remove flawed logic.
14617 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
14619 * gimplify.c (gimplify_modify_expr): During gimplification, attach a
14620 DECL on the rhs to a DECL on the lhs for debug info purposes if the
14621 former is ignored but not the latter.
14623 2007-02-15 Eric Botcazou <ebotcazou@adacore.com>
14625 * expr.c (expand_expr_real_1) <normal_inner_ref>: If a temporary
14626 is made and the reference doesn't use the alias set of its type,
14627 do not create the temporary using that type.
14629 2007-02-15 Aldy Hernandez <aldyh@redhat.com>
14631 * jump.c: Remove prototypes for delete_computation and
14632 delete_prior_computation.
14634 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
14636 * jump.c (get_label_after): Delete.
14637 (get_label_before, delete_computation, delete_jump,
14638 delete_prior_computation, follow_jumps): Move...
14639 * reorg.c (delete_computation, delete_prior_computation): ... here...
14640 (get_label_before, delete_jump): ... making these static ...
14641 (follow_jumps): ... and simplifying this since it only runs after
14643 * rtl.h (get_label_after, get_label_before, delete_jump,
14644 follow_jumps): Delete prototypes.
14646 2007-02-15 Paolo Bonzini <bonzini@gnu.org>
14648 * caller-save.c (save_call_clobbered_regs): Do not process sibcalls.
14650 2007-02-15 Nick Clifton <nickc@redhat.com>
14652 * varasm.c (default_asm_output_anchor): Prepend * to . symbol in
14653 order to prevent it from being munged by the target.
14655 2007-02-15 Uros Bizjak <ubizjak@gmail.com>
14657 * config/i386/i386.md: Remove misleading comment.
14659 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
14661 * config/frv/frv.md (reload_incc, reload_outcc, reload_incc_uns,
14662 reload_outcc_uns, reload_incc_nz, reload_outcc_nz): Remove
14665 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
14667 * tree-sra.c (instantiate_missing_elements): Canonicalize
14669 (sra_build_assignment): New.
14670 (generate_copy_inout, generate_element_copy,
14671 generate_element_zero, generate_one_element_init): Use it.
14673 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
14675 * tree-sra.c (instantiate_missing_elements): Canonicalize
14677 (sra_build_assignment): New.
14678 (generate_copy_inout, generate_element_copy,
14679 generate_element_zero, generate_one_element_init): Use it.
14681 2007-02-15 Alexandre Oliva <aoliva@redhat.com>
14683 * dwarf2out.c (dwarf2out_finish): Accept namespaces as context of
14686 2007-02-14 Joseph Myers <joseph@codesourcery.com>
14688 * emit-rtl.c (set_mem_attributes_minus_bitpos): Treat complex
14689 types as aggregates not scalars.
14690 * function.c (assign_stack_temp_for_type): Likewise.
14692 2007-02-14 Roger Sayle <roger@eyesopen.com>
14693 Zdenek Dvorak <dvorakz@suse.cz>
14695 * tree-dump.c (dump_switch_p_1): Require exact match of the option
14698 2007-02-14 Zdenek Dvorak <dvorakz@suse.cz>
14700 * passes.c (next_pass_1): Clear the next field of the copied
14703 2007-02-14 Richard Henderson <rth@redhat.com>
14705 * tree-sra.c (early_sra): New.
14706 (decl_can_be_decomposed_p): Deny va_list if early_sra.
14707 (tree_sra_early, pass_sra_early): New.
14708 * tree-pass.h (pass_sra_early): Declare.
14709 * passes.c (init_optimization_passes): Use it.
14711 2007-02-14 Richard Guenther <rguenther@suse.de>
14713 * flags.h (issue_strict_overflow_warning): Convert to a macro.
14715 2007-02-14 Dorit Nuzman <dorit@il.ibm.com>
14717 PR tree-optimization/30771
14718 * tree-vect-analyze.c (vect_determine_vectorization_factor): Traverse
14720 (vect_analyze_operations): Induction phis can now be marked as
14722 (vect_mark_stmts_to_be_vectorized): No special treatment for phis.
14723 Update documentation accordingly.
14725 2007-02-14 Nick Clifton <nickc@redhat.com>
14727 * builtin-types.def (DEF_FUNCTION_TYPE_x): Do not imply that at
14728 most 3 arguments are supported.
14729 (DEF_FUNCTION_TYPE_VAR_5): Fix typo in its description.
14731 2007-02-13 Seongbae Park <seongbae.park@gmail.com>
14733 * bitmap.c (bitmap_and, bitmap_and_compl, bitmap_xor):
14734 Ensure dst->current is valid.
14736 2007-02-13 Paul Brook <paul@codesourcery.com>
14738 * config.gcc: Add arm*-*-uclinux-*eabi.
14739 * config/arm/uclinux-elf.h (TARGET_OS_CPP_BUILTINS): Define.
14740 (SUBTARGET_EXTRA_LINK_SPEC): Define.
14741 (STARTFILE_SPEC, ENDFILE_SPEC): Remove broken -shared handling.
14742 (LINK_GCC_C_SEQUENCE_SPEC): Undef.
14743 (LINK_SPEC): Define.
14744 (LIB_SPEC): Define.
14745 * config/arm/arm.c (arm_override_options): Use r9 as EABI PIC
14747 * config/arm/uclinux-eabi.h: New file.
14748 * config/arm/linux-eabi.h (WCHAR_TYPE): Remove.
14749 * config/arm/linux-gas.h (WCHAR_TYPE): Use unsigned long on AAPCS
14752 2007-02-13 Ian Lance Taylor <iant@google.com>
14754 * common.opt: Add Wstrict-overflow and Wstrict-overflow=.
14755 * flags.h (warn_strict_overflow): Declare.
14756 (enum warn_strict_overflow_code): Define.
14757 (issue_strict_overflow_warning): New static inline function.
14758 * opts.c (warn_strict_overflow): New variable.
14759 (common_handle_option): Handle OPT_Wstrict_overflow and
14760 OPT_Wstrict_overflow_.
14761 * c-opts.c (c_common_handle_option): Set warn_strict_overflow for
14763 * fold-const.c: Include intl.h.
14764 (fold_deferring_overflow_warnings): New static variable.
14765 (fold_deferred_overflow_warning): New static variable.
14766 (fold_deferred_overflow_code): New static variable.
14767 (fold_defer_overflow_warnings): New function.
14768 (fold_undefer_overflow_warnings): New function.
14769 (fold_undefer_and_ignore_overflow_warnings): New function.
14770 (fold_deferring_overflow_warnings_p): New function.
14771 (fold_overflow_warning): New static function.
14772 (make_range): Add strict_overflow_p parameter. Change all
14774 (extract_muldiv, extract_muldiv_1): Likewise.
14775 (fold_unary) [ABS_EXPR]: Check ABS_EXPR before calling
14776 tree_expr_nonnegative_p.
14777 (fold_negate_expr): Call fold_overflow_warning.
14778 (fold_range_test): Likewise.
14779 (fold_comparison): Likewise.
14780 (fold_binary): Likewise. Call tree_expr_nonnegative_warnv_p
14781 instead of tree_expr_nonnegative_p.
14782 (tree_expr_nonnegative_warnv_p): Rename from
14783 tree_expr_nonnegative_p, add strict_overflow_p parameter.
14784 (tree_expr_nonnegative_p): New function.
14785 (tree_expr_nonzero_warnv_p): Rename from tree_expr_nonzero_p, add
14786 strict_overflow_p parameter.
14787 (tree_expr_nonzero_p): New function.
14788 * passes.c (verify_interpass_invariants): New static function.
14789 (execute_one_pass): Call it.
14790 * tree-ssa-loop-niter.c (expand_simple_operations): Ignore fold
14792 (number_of_iterations_exit, loop_niter_by_eval): Likewise.
14793 (estimate_numbers_of_iterations): Likewise.
14794 (scev_probably_wraps_p): Likewise.
14795 * tree-ssa-ccp.c: Include "toplev.h".
14796 (evaluate_stmt): Defer fold overflow warnings until we know we are
14798 (struct fold_stmt_r_data): Add stmt field.
14799 (fold_stmt_r): Defer fold overflow warnings until we know we
14801 (fold_stmt): Initialize stmt field of fold_stmt_r_data.
14802 (fold_stmt_inplace): Likewise.
14803 * tree-cfgcleanup.c: Include "toplev.h" rather than "errors.h".
14804 (cleanup_control_expr_graph): Defer fold overflow warnings until
14805 we know we are going to optimize.
14806 * tree-cfg.c (fold_cond_expr_cond): Likewise.
14807 * tree-ssa-threadedge.c (simplify_control_stmt_condition):
14809 * tree-vrp.c (vrp_expr_computes_nonnegative): Call
14810 tree_expr_nonnegative_warnv_p instead of tree_expr_nonnegative_p.
14811 * tree-ssa-loop-manip.c (create_iv): Likewise.
14812 * c-typeck.c (build_conditional_expr): Likewise.
14813 (build_binary_op): Likewise.
14814 * tree-vrp.c (vrp_expr_computes_nonzero): Call
14815 tree_expr_nonzero_warnv_p instead of tree_expr_nonzero_p.
14816 (extract_range_from_unary_expr): Likewise.
14817 * simplify-rtx.c (simplify_const_relational_operation): Warn when
14818 assuming that signed overflow does not occur.
14819 * c-common.c (pointer_int_sum): Ignore fold overflow warnings.
14820 * tree.h (tree_expr_nonnegative_warnv_p): Declare.
14821 (fold_defer_overflow_warnings): Declare.
14822 (fold_undefer_overflow_warnings): Declare.
14823 (fold_undefer_and_ignore_overflow_warnings): Declare.
14824 (fold_deferring_overflow_warnings_p): Declare.
14825 (tree_expr_nonzero_warnv_p): Declare.
14826 * doc/invoke.texi (Option Summary): Add -Wstrict-overflow to list
14827 of warning options.
14828 (Warning Options): Document -Wstrict-overflow.
14829 * Makefile.in (tree-ssa-threadedge.o): Depend on toplev.h.
14830 (tree-ssa-ccp.o): Likewise.
14831 (tree-cfgcleanup.o): Change errors.h dependency to toplev.h.
14832 (fold-const.o): Depend on intl.h.
14834 2007-02-13 Ian Lance Taylor <iant@google.com>
14836 PR middle-end/30751
14837 * lower-subreg.c (resolve_simple_move): Decompose subregs in
14840 2007-02-13 Stuart Hastings <stuart@apple.com>
14842 * config/i386/i386.md (fixuns_truncdfhi2): Require SSE2.
14844 2007-02-13 Richard Henderson <rth@redhat.com>
14846 * config/alpha/alpha.c (alpha_stdarg_optimize_hook): Strip
14847 handled_component_p before looking for the indirect_ref.
14849 2007-02-13 Richard Henderson <rth@redhat.com>
14851 * config/i386/i386.md (bswapsi_1): Rename from bswapsi2,
14852 remove flags clobber.
14853 (bswapsi2): New expander, emit code for !TARGET_BSWAP.
14854 (bswaphi_lowpart): New.
14855 (bswapdi2): Rename from bswapdi2_rex, remove flags clobber,
14856 remove TARGET_BSWAP test. Delete expander of the same name.
14858 * optabs.c (widen_bswap, expand_doubleword_bswap): New.
14859 (expand_unop): Use them.
14861 2007-02-13 Uros Bizjak <ubizjak@gmail.com>
14863 * config/i386/i386.md (cmpdi_ccno_1_rex64, *cmpsi_ccno_1,
14864 *cmphi_ccno_1, *cmpqi_ccno_1, *movsi_xor, *movstricthi_xor,
14865 *movstrictqi_xor, *movdi_xor_rex64, *ashldi3_1_rex64,
14866 *ashldi3_cmp_rex64, *ashldi3_cconly_rex64, ashlsi3, *ashlsi3_1_zext,
14867 *ashlsi3_cmp, *ashlsi3_cconly, *ashlsi3_cmp_zext, *ashlhi3_1_lea,
14868 *ashlhi3_1, *ashlhi3_cmp, *ashlhi3_cconly, *ashlqi3_1_lea,
14869 *ashlqi3_1, *ashlqi3_cmp, *ashlqi3_cconly): Remove equivalent
14870 assembler dialect choice from asm templates.
14872 2007-02-12 Richard Henderson <rth@redhat.com>
14874 * config/i386/i386.md (fixuns_trunc<SSEMODEF>si_1): New insn.
14875 (fixuns_trunc<SSEMODEF>si2): Use it.
14876 * config/i386/sse.md (vec_setv4sf_0): Export.
14877 * config/i386/i386.c (ix86_build_const_vector): Export.
14878 (ix86_split_convert_uns_si_sse): Rename from
14879 ix86_expand_convert_uns_si_sse and rewrite as a splitter.
14880 * config/i386/i386-protos.h: Update.
14882 2007-02-13 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
14885 * c-typeck.c (c_finish_return): Improve warning message.
14887 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
14889 * alias.c (find_symbolic_term): Delete unused function.
14891 2007-02-12 Uros Bizjak <ubizjak@gmail.com>
14893 * config/i386/i386.md (paritydi2, paritysi2): New expanders.
14894 (paritydi2_cmp, paritydi2_cmp): New insn and split patterns.
14895 (*parityhi2_cmp, *parityqi2_cmp): New insn patterns.
14897 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
14899 * tree.h (DECL_IGNORED_P): Document further effect for FUNCTION_DECL.
14900 * cgraphunit.c (cgraph_expand_function): If DECL_IGNORED_P is set on
14901 the function, temporarily point the debug interface to the null one.
14903 2007-02-12 Eric Botcazou <ebotcazou@adacore.com>
14905 * dwarf2out.c (round_up_to_align): New static function.
14906 (field_byte_offset): Use it to round the offset.
14908 2007-02-12 Richard Henderson <rth@redhat.com>
14910 * config/alpha/alpha.md (bswapsi2, bswapdi2): New.
14911 (inswl_const): Export.
14913 2007-02-12 Richard Henderson <rth@redhat.com>
14915 * calls.c (emit_library_call_value_1): If PROMOTE_MODE modifed the
14916 result mode of the libcall, convert back to outmode.
14918 2007-02-12 Roger Sayle <roger@eyesopen.com>
14920 * config/i386/i386.md (*bswapdi2_rex): Renamed from bswapdi2.
14921 (bswapdi2): New define_expand to implement 32-bit implementation.
14923 2007-02-12 Nick Clifton <nickc@redhat.com>
14925 * doc/invoke.texi (Overall Options): Document --help=.
14926 * gcc.c (target_help_flag): Rename to print_subprocess_flag.
14927 (cc1_options): Pass --help= on to cc1.
14928 (display_help): Add description of --help=.
14929 (process_command): Add code to handle --help=. Allow translated
14930 --help and --target-help switches to be passed on to compiler
14932 (main): Remove unused if statement.
14933 * opts.c (columns): Remove.
14934 (LEFT_COLUMN): Define.
14935 (wrap_help): Add columns argument.
14936 (print_filtered_help): Change parameters to be an include bitmask,
14937 an exclude bitmask, an any bitmask and the column width. Move the
14938 code to display the params list here. Add code to display the
14939 status of options rather than their descriptions if the quiet flag
14941 (print_specific_help): Change parameters to be an include bitmask,
14942 an exclude bitmask and an any bitmask. Move code to look up the
14943 column width here. Decide upon the title for an options listing.
14944 (common_handle_options): Add code to handle --help=. Adapt code
14945 for --help and --target-help to use the revised form of the
14946 print_specific_help function.
14947 (print_help): Delete.
14948 (print_param_help): Delete.
14949 (print_switch): Delete.
14950 * opts.h (cl_lang_count): Add prototype.
14951 (CL_PARAMS, CL_WARNING, CL_OPTIMIZATION, CL_MIN_OPTION_CLASS,
14952 CL_MAX_OPTION_CLASS): New defines.
14953 * optc-gen.awk: Add construction of cl_lang_count.
14954 * c.opt: Add Warning attribute to warning options and Optimization
14955 attribute to optimization options.
14956 * common.opt: Likewise.
14958 Add -fhelp and -ftarget-help as aliases for the transformed --help
14959 and --target-help options.
14960 * opt-functions.awk: Add code to handle Warning and Optimization
14963 2007-02-12 Richard Henderson <rth@redhat.com>
14965 * config/alpha/constraints.md: New file.
14966 * config/alpha/alpha.c: Include tm-constrs.h.
14967 (alpha_const_ok_for_letter_p, alpha_const_double_ok_for_letter_p,
14968 alpha_extra_constraint): Remove.
14969 (alpha_emit_conditional_branch): Use satisfies_constraint_*.
14970 * config/alpha/alpha-protos.h: Update.
14971 * config/alpha/alpha.h (REG_CLASS_FROM_LETTER): Remove.
14972 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P): Remove.
14973 (EXTRA_CONSTRAINT): Remove.
14974 * config/alpha/alpha.md: Include constraints.md.
14975 (adddi splitter): Use satisfies_constraint_*.
14976 * config/alpha/predicates.md (add_operand): Likewise.
14977 (sext_add_operand, addition_operation): Likewise.
14979 2007-02-12 Dorit Nuzman <dorit@il.ibm.com>
14981 PR tree-optimization/29145
14982 * tree-data-ref.c (base_addr_differ_p): Make us more conservative
14983 in our handling of restrict qualified pointers.
14985 2007-02-12 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
14988 * doc/invoke.texi (Wunused-value): Update description.
14989 (Wextra): Delete item.
14990 * opts.c (set_Wextra): Don't use the value of Wextra to set the
14991 value of Wunused-value.
14992 * c-typeck.c (c_process_expr_stmt): Don't check extra_warnings.
14993 (c_finish_stmt_expr): Don't check extra_warnings.
14994 (emit_side_effect_warnings): The caller is responsible to check
14997 2007-02-11 Roger Sayle <roger@eyesopen.com>
14998 Matt Thomas <matt@3am-software.com>
15000 * simplify-rtx.c (simplify_relational_operation_1): Correct typo.
15002 2007-02-11 Roger Sayle <roger@eyesopen.com>
15004 * simplify-rtx.c (simplify_relational_operation_1): Optimize
15005 comparisons of POPCOUNT against zero.
15006 (simplify_const_relational_operation): Likewise.
15008 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
15010 * doc/invoke.texi (Wextra): Delete outdated paragraph.
15012 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
15014 * dwarf2out.c (root_type): Delete unused function.
15016 2007-02-11 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
15018 * genattrtab.c (contained_in_p): Delete unused function.
15019 (write_expr_attr_cache): Likewise.
15021 2007-02-11 Jan Hubicka <jh@suse.cz>
15023 * ipa-inline.c (cgraph_edge_badness): Add "else" missing in the
15026 2007-02-11 Steven Bosscher <steven@gcc.gnu.org>
15028 * fwprop.c (try_fwprop_subst): Use set_unique_reg_note
15029 to add the REG_EQ* note.
15030 * see.c (see_merge_one_use_extension): Likewise.
15031 * local-alloc.c (update_equiv_regs): Likewise. Also don't
15032 turn REG_EQUAL notes into REG_EQUIV notes if the target
15033 register may have more than one set.
15034 * function.c (assign_parm_setup_reg): Use set_unique_reg_note.
15035 * gcse.c (try_replace_reg): Likewise.
15036 * alias.c (init_alias_analysis): Use find_reg_equal_equiv_note.
15037 * calls.c (fixup_tail_calls): Likewise. Abort if there is
15038 more than one REG_EQUIV note.
15039 * reload1.c (gen_reload): Use set_unique_reg_note.
15041 2007-02-11 Uros Bizjak <ubizjak@gmail.com>
15043 * config/i386/i386.c (TARGET_VECTORIZE_BUILTIN_CONVERSION): Define.
15044 (ix86_builtin_conversion): New function.
15046 2007-02-06 Mark Mitchell <mark@codesourcery.com>
15049 * tree.h (DECL_REPLACEABLE_P): New macro.
15050 * except.c (set_nothrow_function_flags): Likewise.
15052 2007-02-11 Tehila Meyzels <tehila@il.ibm.com>
15053 Ira Rosen <irar@il.ibm.com>
15054 Dorit Nuzman <dorit@il.ibm.com>
15056 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_CONVERSION): New target hook.
15057 * targhooks.c (default_builtin_vectorized_conversion): New.
15058 * targhooks.h (default_builtin_vectorized_function): New declaration.
15059 * target.h (struct vectorize): Add builtin_conversion field.
15060 * tree-vectorizer.h (type_conversion_vec_info_type): New enum
15061 stmt_vec_info_type value.
15062 (vectorizable_conversion): New declaration.
15063 * tree-vect-analyze.c (vect_analyze_operations): Add
15064 vectorizable_conversion call.
15065 * target-def.h (TARGET_VECTORIZE_BUILTIN_CONVERSION): New.
15066 * tree-vect-transform.c (vectorizable_conversion): New function.
15067 (vect_transform_stmt): Add case for type_conversion_vec_info_type.
15068 * tree-vect-generic.c (expand_vector_operations_1): Consider correct
15070 * config/rs6000/rs6000.c (rs6000_builtin_conversion): New.
15071 (TARGET_VECTORIZE_BUILTIN_CONVERSION): Defined.
15072 (rs6000_expand_builtin): Add handling a case of ALTIVEC_BUILTIN_VCFUX
15073 or ALTIVEC_BUILTIN_VCFSX.
15075 2007-02-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15078 * pa.md (movdf): For 64-bit target, fail if operand 1 is a non-zero
15079 CONST_DOUBLE and operand 0 is a hard register.
15080 (movdi): For 64-bit target, remove code to force CONST_DOUBLE to
15081 memory. Fail if operand 1 is a non-zero CONST_INT and operand 0
15082 is a hard floating-point register.
15084 2007-02-10 Richard Henderson <rth@redhat.com>
15085 Jakub Jelinek <jakub@redhat.com>
15086 Alexandre Oliva <aoliva@redhat.com>
15088 * Makefile.in (libgcc-support, libgcc.mvars): Add emutls.c.
15089 * builtin-types.def (BT_WORD): Make unsigned.
15090 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
15091 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
15092 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
15093 * c-decl.c (grokdeclarator): Don't error if !have_tls.
15094 * c-parser.c (c_parser_omp_threadprivate): Likewise.
15095 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
15097 * expr.c (emutls_var_address): New.
15098 (expand_expr_real_1): Expand emulated tls.
15099 (expand_expr_addr_expr_1): Likewise.
15100 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
15101 * output.h (emutls_finish): Declare.
15102 * toplev.c (compile_file): Call it.
15103 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
15104 address before wrapping in CONST.
15105 * varasm.c (emutls_htab, emutls_object_type): New.
15106 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
15107 (get_emutls_object_name, get_emutls_object_type): New.
15108 (get_emutls_init_templ_addr, emutls_decl): New.
15109 (emutls_common_1, emutls_finish): New.
15110 (assemble_variable): When emulating tls, swap decls; generate
15111 constructor for the emutls objects.
15112 (do_assemble_alias): When emulating tls, swap decl and target name.
15113 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
15115 * varpool.c (decide_is_variable_needed): Look at force_output.
15116 Recurse for emulated tls.
15117 (cgraph_varpool_remove_unreferenced_decls): Remove checks redundant
15118 with decide_is_variable_needed.
15119 * emutls.c: New file.
15120 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
15121 tls_object for real tls.
15123 2007-02-10 Kaz Kojima <kkojima@gcc.gnu.org>
15125 PR rtl-optimization/29599
15126 * reload1.c (eliminate_regs_in_insn): Take the destination
15127 mode into account when computing the offset.
15129 2007-02-09 Stuart Hastings <stuart@apple.com>
15130 Richard Henderson <rth@redhat.com>
15132 * config/i386/i386.h (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
15133 * config/i386/darwin.h: (TARGET_KEEPS_VECTOR_ALIGNED_STACK): New.
15134 * config/i386/i386.md (fixuns_trunc<mode>si2, fixuns_truncsfhi2,
15135 fixuns_truncdfhi2): New.
15136 (fix_truncsfdi_sse): Call ix86_expand_convert_sign_didf_sse.
15137 (floatunsdidf2): Call ix86_expand_convert_uns_didf_sse.
15138 (floatunssisf2): Add call to ix86_expand_convert_uns_sisf_sse.
15139 (floatunssidf2): Allow nonimmediate source.
15140 * config/i386/sse.md (movdi_to_sse): New.
15141 (vec_concatv2di): Drop '*'.
15142 * config/i386/i386-protos.h (ix86_expand_convert_uns_si_sse,
15143 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
15144 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse):
15146 * config/i386/i386.c (ix86_expand_convert_uns_si_sse,
15147 ix86_expand_convert_uns_didf_sse, ix86_expand_convert_uns_sidf_sse,
15148 ix86_expand_convert_uns_sisf_sse, ix86_expand_convert_sign_didf_sse,
15149 ix86_build_const_vector, ix86_expand_vector_init_one_nonzero): New.
15150 (ix86_build_signbit_mask): Fix decl of v, refactor to call
15151 ix86_build_const_vector.
15152 (x86_emit_floatuns): Rewrite.
15154 2007-02-10 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
15156 * genautomata.c (longest_path_length): Delete unused function.
15157 (struct state): Delete unused longest_path_length.
15158 (UNDEFINED_LONGEST_PATH_LENGTH): Delete unused macro.
15159 (get_free_state): Delete unused.
15161 2007-02-09 Jan Hubicka <jh@suse.cz>
15163 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 30.
15164 * doc/invoke.texi (inline-unit-growth): Update default value.
15166 * Makefile.in (passes.o, ipa-inline.o): Add dependencies.
15167 * cgraphbuild.c (build_cgraph_edges): Compute frequencies.
15168 (rebuild_cgraph_edges): Likewise.
15169 * cgraph.c (cgraph_set_call_stmt): Add new argument frequency.
15170 (dump_cgraph_node): Dump frequencies.
15171 (cgraph_clone_edge): Add frequency scales.
15172 (cgraph_clone_node): Add freuqnecy.
15173 * cgraph.h (cgraph_edge): Add freuqnecy argument.
15174 (CGRAPH_FREQ_BASE, CGRAPH_FREQ_MAX): New constants.
15175 (cgraph_create_edge, cgraph_clone_edge, cgraph_clone_node): Update.
15176 * tree-pass.h (TODO_rebuild_frequencies): New constant.
15177 * cgraphunit.c (verify_cgraph_node): Verify frequencies.
15178 (cgraph_copy_node_for_versioning): Update call of cgraph_clone_edge.
15179 (save_inline_function_body): Likewise.
15180 * ipa-inline.c: inluce rtl.h
15181 (cgraph_clone_inlined_nods): Update call of cgraph_clone_node.
15182 (cgraph_edge_badness): Use frequencies.
15183 (cgraph_decide_recursive_inlining): Update clonning.
15184 (cgraph_decide_inlining_of_small_function): Dump frequency.
15185 * predict.c (estimate_bb_frequencies): Export.
15186 * predict.h (estimate_bb_frequencies): Declare.
15187 * tree-inline.c (copy_bb): Watch overflows.
15188 (expand_call_inline): Update call of cgraph_create_edge.
15189 (optimize_inline_calls): Use TODO flags to update frequnecies.
15190 * passes.h: Include predict.h
15191 (init_optimization_passes): Move profile ahead.
15192 (execute_function_todo): Handle TODO_rebuild_frequencies.
15194 2007-02-09 Roger Sayle <roger@eyesopen.com>
15196 * config/alpha/alpha.c (emit_insxl): Force the first operand of
15197 the insbl or inswl pattern into a register.
15199 2007-02-09 Roger Sayle <roger@eyesopen.com>
15201 * config/ia64/ia64.md (bswapdi2): New define_insn.
15203 2007-02-09 Richard Henderson <rth@redhat.com>
15205 * config/i386/constraints.md (Ym): New constraint.
15206 * config/i386/i386.md (movsi_1): Change Y2 to Yi constraints.
15207 (movdi_1_rex64): Split sse and xmm general register moves from
15208 memory move alternatives. Use conditional register constraints.
15209 (movsf_1, movdf_integer): Likewise.
15210 (zero_extendsidi2_32, zero_extendsidi2_rex64): Likewise.
15211 (movdf_integer_rex64): New.
15212 (pushsf_rex64): Fix output constraints.
15213 * config/i386/sse.md (sse2_loadld): Split rm alternative, use Yi.
15214 (sse2_stored): Likewise.
15215 (sse2_storeq_rex64): New.
15216 * config/i386/i386.c (x86_inter_unit_moves): Enable for not
15217 amd and not generic.
15218 (ix86_secondary_memory_needed): Don't bypass TARGET_INTER_UNIT_MOVES
15219 for optimize_size. Remove SF/DFmode hack.
15221 2007-02-09 Dwarakanath Rajagopal <dwarak.rajagopal@amd.com>
15223 * config/i386/driver-i386.c: Turn on -mtune=native for AMDFAM10.
15226 2007-02-09 Nathan Sidwell <nathan@codesourcery.com>
15227 Richard Sandiford <richard@codesourcery.com>
15229 * config.gcc (m68010-*-netbsdelf*, m68k*-*-netbsdelf*)
15230 (m68k*-*-openbsd*, m68k-*-linux*): Set default_cf_cpu.
15231 (m68k-*-aout*, m68k-*-coff*, m68k-*-uclinux*, m68k-*-rtems*): Add
15232 m68k/t-mlib to tmake_file.
15233 (m68020-*-elf*, m68k-*-elf*): Likewise. Add t-m68kbare as well.
15234 (m68k*-*-*): Use --with-arch to pick a default for --with-cpu.
15235 (m680[012]0-*-*, m68k*-*-*): Add support for --with-arch.
15236 Allow it to be cf or m68k. Set m68k_arch_family. If that
15237 variable is not empty, add t-$m68k_arch_family to tmake_file.
15238 Add t-mlibs to tmake_file.
15239 * doc/install.texi: Document --with-arch=m68k and --with-arch=cf.
15240 * config/m68k/t-cf: New file.
15241 * config/m68k/t-m68k: Likewise.
15242 * config/m68k/t-mlibs: Likewise.
15243 * config/m68k/t-m68kbare (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
15244 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
15245 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
15246 * config/m68k/t-m68kelf (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
15247 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS, LIBGCC, INSTALL_LIBGCC):
15249 * config/m68k/t-openbsd (MULTILIB_OPTIONS, LIBGCC): Delete.
15250 (INSTALL_LIBGCC): Delete.
15251 (M68K_MLIB_DIRNAMES, M68K_MLIB_OPTIONS): Define.
15252 * config/m68k/t-rtems (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
15253 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
15254 (M68K_MLIB_CPU): Define.
15255 * config/m68k/t-uclinux (MULTILIB_OPTIONS, MULTILIB_DIRNAMES)
15256 (MULTILIB_MATCHES, MULTILIB_EXCEPTIONS): Delete.
15257 (M68K_MLIB_CPU, M68K_MLIB_OPTIONS, M68K_MLIB_DIRNAMES): Define.
15259 2007-02-09 Zdenek Dvorak <dvorakz@suse.cz>
15260 Richard Guenther <rguenther@suse.de>
15262 PR middle-end/23361
15263 * fold-const.c (fold_comparison): Handle obfuscated comparisons
15264 against INT_MIN/INT_MAX.
15265 * tree-ssa-loop-ivcanon.c (remove_empty_loop): Print to dump
15266 file if a loop is removed.
15268 2007-02-09 Joseph Myers <joseph@codesourcery.com>
15270 * calls.c (store_one_arg): Pass correct alignment to
15271 emit_push_insn for non-BLKmode values.
15272 * expr.c (emit_push_insn): If STRICT_ALIGNMENT, copy to an
15273 unaligned stack slot via a suitably aligned slot.
15275 2007-02-08 DJ Delorie <dj@redhat.com>
15277 * config/m32c/m32c.c (m32c_unpend_compare): Add default to silence
15279 (legal_subregs): Use unsigned char, make const.
15280 (m32c_illegal_subreg_p): Use ARRAY_SIZE. Delete unused variables.
15282 2007-02-08 Paul Brook <paul@codesourcery.com>
15284 * config/arm/lib1funcs.asm (RETLDM): Pop directly into PC when no
15285 special interworking needed.
15287 2007-02-08 Harsha Jagasia <harsha.jagasia@amd.com>
15289 * config/i386/xmmintrin.h: Make inclusion of emmintrin.h
15290 conditional to __SSE2__.
15291 (Entries below should have been added to first ChangeLog
15292 entry for amdfam10 dated 2007-02-05)
15293 * config/i386/emmintrin.h: Generate #error if __SSE2__ is not
15295 * config/i386/pmmintrin.h: Generate #error if __SSE3__ is not
15297 * config/i386/tmmintrin.h: Generate #error if __SSSE3__ is not
15300 2007-02-08 DJ Delorie <dj@redhat.com>
15302 * config/m32c/m32c-protos.h (m32c_illegal_subreg_p): New.
15303 * config/m32c/m32c.c (legal_subregs): New.
15304 (m32c_illegal_subreg_p): New.
15305 * config/m32c/predicates.md (m32c_any_operand): Use it to reject
15306 unsupported subregs of hard regs.
15308 2007-02-08 Jan Hubicka <jh@suse.cz>
15310 * tree-cfg.c (bsi_replace): Shortcut when replacing the statement with
15311 the same one; always update histograms.
15313 2007-02-08 Diego Novillo <dnovillo@redhat.com>
15315 * passes.c (init_optimization_passes): Tidy comment.
15317 2007-02-08 Roger Sayle <roger@eyesopen.com>
15319 * simplify-rtx.c (simplify_unary_operation_1) <POPCOUNT>: We can
15320 strip zero_extend, bswap and rotates from POCOUNT's argument.
15321 <PARITY>: Likewise, we can strip not, bswap, sign_extend,
15322 zero_extend and rotates from PARITY's argument.
15323 <BSWAP>: A byte-swap followed by a byte-swap is an identity.
15324 (simplify_const_unary_operation) <BSWAP>: Evaluate the byte-swap
15325 of an integer constant at compile-time.
15327 2007-02-08 Diego Novillo <dnovillo@redhat.com>
15330 * tree-flow.h (struct var_ann_d): Remove field 'is_used'.
15332 * tree-ssa-alias.c (compute_is_aliased): Remove. Update all
15335 * tree-ssa-live.c (remove_unused_locals): Do not remove
15336 TREE_ADDRESSABLE variables.
15337 * tree-ssa-structalias.c (compute_points_to_sets): Tidy.
15338 * tree-ssa-operands.c (add_virtual_operand): Remove argument
15339 FOR_CLOBBER. Update all users.
15340 If VAR has an associated alias set, add a virtual operand for
15341 it if no alias is found to conflict with the memory reference.
15343 2007-02-07 Jan Hubicka <jh@suse.cz>
15344 Robert Kidd <rkidd@crhc.uiuc.edu>
15346 * value-prof.c (visit_hist, free_hist): Return 1 instead of 0.
15348 2007-02-07 Ian Lance Taylor <iant@google.com>
15350 * lower-subreg.c (simple_move): Reject PARTIAL_INT modes.
15352 2007-02-07 Roger Sayle <roger@eyesopen.com>
15354 * config/rs6000/rs6000.md (ctz<mode>2, ffs<mode>2, popcount<mode>2,
15355 parity<mode>2, smulsi3_highpart, abstf2_internal, allocate_stack,
15356 tablejumpdi, movsi_to_cr_one): Remove constraints from
15357 define_expand's match_operands.
15359 2007-02-07 Roger Sayle <roger@eyesopen.com>
15361 * global.c (compute_regsets): Move declatation of "i" inside of
15362 #ifdef ELIMINABLE_REGS to avoid unused variable bootstrap failure.
15364 2007-02-07 Jakub Jelinek <jakub@redhat.com>
15367 * gimplify.c (gimplify_scan_omp_clauses): Remove special casing
15368 of INDIRECT_REF <RESULT_DECL>.
15370 * config/i386/i386.c (override_options): Set PTA_SSSE3 for core2.
15372 2007-02-06 J"orn Rennecke <joern.rennecke@arc.com>
15373 Kaz Kojima <kkojima@gcc.gnu.org>
15376 * config/sh/sh.c (expand_cbranchdi4): Use scratch register
15378 (sh_initialize_trampoline): Add parentheses to avoid a warning.
15380 2007-02-06 Zdenek Dvorak <dvorakz@suse.cz>
15382 * doc/loop.texi: Document possibility not to perform disambiguation
15383 of loops with multiple latches.
15384 * cfgloopmanip.c (alp_enum_p): Removed.
15385 (add_loop): Handle subloops. Use get_loop_body_with_size.
15386 (create_preheader): Do not allow ENTRY_BLOCK_PTR to be preheader.
15387 * cfghooks.c (redirect_edge_and_branch_force): Set dominator for
15388 the new forwarder block.
15389 (make_forwarder_block): Only call new_bb_cbk if it is not NULL.
15390 Handle the case latch is NULL.
15391 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Avoid cfg
15392 modifications when marking loop exits.
15393 * ifcvt.c (if_convert): Ditto. Mark loop exits even if cfg cannot
15395 * loop-init.c (loop_optimizer_init): Do not modify cfg. Call
15396 disambiguate_loops_with_multiple_latches.
15397 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Calculate dominators
15398 before fix_loop_structure.
15399 * cfgloop.c: Include pointer-set.h and output.h.
15400 (canonicalize_loop_headers, HEADER_BLOCK, LATCH_EDGE,
15401 update_latch_info, mfb_keep_just, mfb_keep_nonlatch): Removed.
15402 (get_loop_latch_edges, find_subloop_latch_edge_by_profile,
15403 find_subloop_latch_edge_by_ivs, find_subloop_latch_edge,
15404 mfb_redirect_edges_in_set, form_subloop, merge_latch_edges,
15405 disambiguate_multiple_latches, get_loop_body_with_size,
15406 disambiguate_loops_with_multiple_latches): New functions.
15407 (flow_loop_dump): Dump multiple latch edges.
15408 (flow_loop_nodes_find): Handle loops with multiple latches.
15409 (flow_loops_find): Ditto. Do not call canonicalize_loop_headers.
15410 (glb_enum_p): Modified.
15411 (get_loop_body): Use get_loop_body_with_size.
15412 * cfgloop.h (LOOPS_HAVE_RECORDED_EXITS): New flag.
15413 (AVOID_CFG_MODIFICATIONS): New constant.
15414 (disambiguate_loops_with_multiple_latches, add_loop,
15415 get_loop_body_with_size): Declare.
15416 * Makefile.in (cfgloop.o): Add pointer-set.h and output.h.
15418 2007-02-06 Seongbae Park <seongbae.park@gmail.com>
15420 PR inline-asm/28686
15421 * global.c (compute_regsets): New function.
15422 (global_alloc): Refactored ELIMINABLE_REGSET
15423 and NO_GLOBAL_ALLOC_REGS computation out.
15424 (rest_of_handle_global_alloc): Call compute_regsets()
15425 for non-optimizing case.
15427 2007-02-06 Richard Henderson <rth@redhat.com>
15429 * config/i386/constraints.md (Y2): Rename from Y.
15430 (Yi): New constraint.
15431 * config/i386/i386.md (movsi_1, movdi_2, pushdf_nointeger,
15432 pushdf_integer, movdf_nointeger, movdf_integer, zero_extendsidi2_32,
15433 zero_extendsidi2_rex64, truncxfdf2_mixed): Change Y constraints to Y2.
15434 (extendsfdf2_mixed, extendsfdf2_sse, truncdfsf_fast_mixed,
15435 truncdfsf_fast_sse, truncdfsf_mixed, fix_truncdfdi_sse,
15436 fix_truncdfsi_sse, floatsidf2_mixed, floatsidf2_sse,
15437 floatdidf2_mixed, floatdidf2_sse, absnegdf2_mixed,
15438 absnegdf2_sse, sse_setccdf, fop_df_comm_mixed, fop_df_comm_sse,
15439 fop_df_1_mixed, fop_df_1_sse): Change Y constraints to x.
15440 * config/i386/mmx.md (mov<MMXMODEI>_internal_rex64,
15441 mov<MMXMODEI>_internal, movv2sf_internal_rex64, movv2sf_internal,
15442 vec_extractv2si_1): Change Y constraints to Y2.
15443 * config/i386/sse.md (vec_setv4sf_0, vec_concatv2df, vec_dupv4si,
15444 vec_dupv2di, sse2_concatv2si, vec_concatv4si_1, vec_concatv2di):
15445 Change Y constraints to Y2.
15446 (sse2_loadld): Change Y constraints to x.
15448 2007-02-06 Roger Sayle <roger@eyesopen.com>
15450 * config/rs6000/rs6000.md (popcount<mode>2): Rewrite.
15451 (parity<mode>2): New define_expand using rs6000_emit_parity.
15452 * config/rs6000/rs6000.c (rs6000_emit_popcount,
15453 rs6000_emit_parity): New functions.
15454 * config/rs6000/rs6000-protos.h (rs6000_emit_popcount,
15455 rs6000_emit_parity): Prototype here.
15457 2007-02-06 Ian Lance Taylor <iant@google.com>
15459 * lower-subreg.c (simple_move_operand): Reject CONST.
15460 (resolve_clobber): Call validate_change rather than directly
15461 assigning to XEXP (pat, 0).
15463 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
15465 * Makefile.in (tree-ssa-loop-ivopts.o): Add pointer-set.h dependency.
15466 (tree-ssa-reassoc.o): Add pointer-set.h dependency.
15467 (tree-cfg.o): Remove hashtab.h dependency.
15469 * tree-ssa-loop-ivopts.c: Include pointer-set.h.
15470 (struct ivopts_data): Change niters to pointer_map_t.
15471 (struct nfe_cache_elt, nfe_hash, nfe_eq): Delete.
15472 (niter_for_exit): Create pointer_map on demand. Change for
15474 (tree_ssa_iv_optimize_init): Initialize data->niters to NULL.
15475 (free_loop_data): Destroy data->niters if created and reset field.
15476 (tree_ssa_iv_optimize_finalize): Don't delete data->niters here.
15477 (tree_ssa_iv_optimize_loop): Check for presence of stale data.
15479 * tree-ssa-reassoc.c: Include pointer-set.h.
15480 (bb_rank): Change to long *.
15481 (operand_rank): Change to pointer_map_t.
15482 (find_operand_rank): Return long, -1 if not found. Declare as inline.
15483 (insert_operand_rank): Accept long.
15484 (operand_entry_hash, operand_entry_eq): Remove.
15485 (get_rank): Return long. Adjust for changes above.
15486 (init_reassoc): Change rank type to long. Adjust creation of bb_rank
15488 (fini_reassoc): Delete operand_rank with pointer_map_destroy.
15490 * tree-ssa-structalias.c (vi_for_tree): Change to pointer_map.
15491 (struct tree_vi, tree_vi_t, tree_vi_hash, tree_vi_eq): Delete.
15492 (insert_vi_for_tree): Rewrite for pointer_map API. Assert argument
15494 (lookup_vi_for_tree): Rewrite for pointer_map API. Return varinfo_t
15495 directly since it cannot be NULL.
15496 (get_vi_for_tree): Rewrite for pointer_map API.
15497 (find_what_p_points_to): Adjust for change to lookup_vi_for_tree.
15498 (init_alias_vars): Create vi_for_tree as pointer_map.
15499 (delete_points_to_sets): Delete vi_for_tree using pointer_map_destroy.
15501 * tree-cfg.c: Don't include hashtab.h.
15502 (edge_to_cases): Declare as pointer_map.
15503 (struct edge_to_cases_elt, edge_to_cases_hash, edge_to_cases_eq):
15505 (edge_to_cases_cleanup): Rewrite as pointer_map_traverse callback.
15506 (start_recording_case_labels): Create edge_to_cases as pointer_map.
15507 (end_recoding_case_labels): Cleanup edge_to_cases manually before
15509 (record_switch_edge): Delete.
15510 (get_cases_for_edge): Adjust for pointer_map API, inline
15511 record_switch_edge (rewritten for new API), remove goto.
15513 2006-02-06 Paolo Bonzini <bonzini@gnu.org>
15515 * Makefile.in (tree-nested.o): Add pointer-set.h dependency.
15516 * tree-nested.c: Include pointer-set.h.
15517 (var_map_elt, var_map_eq, var_map_hash): Delete.
15518 (struct nesting_info): Remove GTY marker. Change the two htab_t's
15519 to pointer_map_t's.
15520 (nesting_info_bitmap_obstack): New.
15521 (lookup_field_for_decl): Adjust for pointer_map API.
15522 (lookup_tramp_for_decl): Adjust for pointer_map API.
15523 (get_nonlocal_debug_decl): Adjust for pointer_map API.
15524 (get_local_debug_decl): Adjust for pointer_map API.
15525 (convert_nl_goto_reference): Adjust for pointer_map API.
15526 (convert_nl_goto_receiver): Adjust for pointer_map API.
15527 (create_nesting_tree): Create outside GGC space. Create bitmap on
15528 the new obstack. Create field_map and var_map as pointer_maps.
15529 (free_nesting_tree): Adjust for changes to create_nesting_tree.
15531 (lower_nested_functions): Move root here, no need to NULL it.
15532 Initialize and release the obstack.
15534 2007-02-06 Paolo Bonzini <bonzini@gnu.org>
15536 * tree.c (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p):
15537 Remove prototypes and make them non-static.
15538 (struct tree_int_map): Remove.
15539 * tree.h (struct tree_int_map): Move here, turning TO into an
15541 (tree_int_map_hash, tree_int_map_eq, tree_int_map_marked_p): Declare.
15543 * tree.h (TREE_COMPLEXITY): Remove.
15544 (struct tree_exp): Remove complexity field.
15545 * tree.c (build1_stat): Don't set it.
15547 2007-02-06 Dorit Nuzman <dorit@il.ibm.com>
15548 Victor Kaplansky <victork@il.ibm.com>
15550 * tree-vectorizer.c (vect_is_simple_use): Support induction.
15551 (vect_is_simple_reduction): Support reduction with induction as
15552 one of the operands.
15553 (vect_is_simple_iv_evolution): Fix formatting.
15554 * tree-vect-analyze.c (vect_mark_stmts_to_be_vectorized): Fix
15555 formatting. Don't mark induction phis for vectorization.
15556 (vect_analyze_scalar_cycles): Analyze all inductions, then reductions.
15557 * tree-vect-transform.c (get_initial_def_for_induction): New function.
15558 (vect_get_vec_def_for_operand): Support induction.
15559 (vect_get_vec_def_for_stmt_copy): Fix formatting and add check for
15561 (vectorizable_reduction): Support reduction with induction as one of
15563 (vectorizable_type_demotion): Use def-type of stmt argument rather
15564 than dummy def-type.
15566 * tree-ssa-loop.c (gate_scev_const_prop): Return the value of
15567 flag_tree_scev_cprop.
15568 * common.opt (tree-scev-cprop): New flag.
15570 * tree-vect-transform.c (vect_create_destination_var): Use 'kind' in
15571 call to vect_get_new_vect_var.
15573 2007-02-06 Ira Rosen <irar@il.ibm.com>
15575 * tree-vect-patterns.c (vect_recog_widen_mult_pattern): Check that
15576 vectype is not NULL.
15577 (vect_pattern_recog_1): Likewise.
15579 2007-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15581 * fold-const.c (negate_expr_p): Handle CONJ_EXPR.
15582 (fold_negate_expr): Likewise.
15584 2007-02-05 Alexandre Oliva <aoliva@redhat.com>
15587 * dwarf2out.c (modified_type_die): Follow DECL_ORIGINAL_TYPE
15588 even if cv-qualification is the same.
15590 2007-02-05 Geoffrey Keating <geoffk@apple.com>
15592 * config/rs6000/darwin-tramp.asm (__trampoline_setup): Call
15593 __enable_execute_stack on completion.
15595 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
15597 * config/i386/athlon.md (athlon_fldxf_k8, athlon_fld_k8,
15598 athlon_fstxf_k8, athlon_fst_k8, athlon_fist, athlon_fmov,
15599 athlon_fadd_load, athlon_fadd_load_k8, athlon_fadd, athlon_fmul,
15600 athlon_fmul_load, athlon_fmul_load_k8, athlon_fsgn,
15601 athlon_fdiv_load, athlon_fdiv_load_k8, athlon_fdiv_k8,
15602 athlon_fpspc_load, athlon_fpspc, athlon_fcmov_load,
15603 athlon_fcmov_load_k8, athlon_fcmov_k8, athlon_fcomi_load_k8,
15604 athlon_fcomi, athlon_fcom_load_k8, athlon_fcom): Added amdfam10.
15606 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
15608 * config/i386/i386.md (x86_sahf_1, cmpfp_i_mixed, cmpfp_i_sse,
15609 cmpfp_i_i387, cmpfp_iu_mixed, cmpfp_iu_sse, cmpfp_iu_387,
15610 swapsi, swaphi_1, swapqi_1, swapdi_rex64, fix_truncsfdi_sse,
15611 fix_truncdfdi_sse, fix_truncsfsi_sse, fix_truncdfsi_sse,
15612 x86_fldcw_1, floatsisf2_mixed, floatsisf2_sse, floatdisf2_mixed,
15613 floatdisf2_sse, floatsidf2_mixed, floatsidf2_sse,
15614 floatdidf2_mixed, floatdidf2_sse, muldi3_1_rex64, mulsi3_1,
15615 mulsi3_1_zext, mulhi3_1, mulqi3_1, umulqihi3_1, mulqihi3_insn,
15616 umulditi3_insn, umulsidi3_insn, mulditi3_insn, mulsidi3_insn,
15617 umuldi3_highpart_rex64, umulsi3_highpart_insn,
15618 umulsi3_highpart_zext, smuldi3_highpart_rex64,
15619 smulsi3_highpart_insn, smulsi3_highpart_zext, x86_64_shld,
15620 x86_shld_1, x86_64_shrd, sqrtsf2_mixed, sqrtsf2_sse,
15621 sqrtsf2_i387, sqrtdf2_mixed, sqrtdf2_sse, sqrtdf2_i387,
15622 sqrtextendsfdf2_i387, sqrtxf2, sqrtextendsfxf2_i387,
15623 sqrtextenddfxf2_i387): Added amdfam10_decode.
15625 * config/i386/athlon.md (athlon_idirect_amdfam10,
15626 athlon_ivector_amdfam10, athlon_idirect_load_amdfam10,
15627 athlon_ivector_load_amdfam10, athlon_idirect_both_amdfam10,
15628 athlon_ivector_both_amdfam10, athlon_idirect_store_amdfam10,
15629 athlon_ivector_store_amdfam10): New define_insn_reservation.
15630 (athlon_idirect_loadmov, athlon_idirect_movstore): Added
15633 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
15635 * config/i386/athlon.md (athlon_call_amdfam10,
15636 athlon_pop_amdfam10, athlon_lea_amdfam10): New
15637 define_insn_reservation.
15638 (athlon_branch, athlon_push, athlon_leave_k8, athlon_imul_k8,
15639 athlon_imul_k8_DI, athlon_imul_mem_k8, athlon_imul_mem_k8_DI,
15640 athlon_idiv, athlon_idiv_mem, athlon_str): Added amdfam10.
15642 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
15644 * config/i386/athlon.md (athlon_sseld_amdfam10,
15645 athlon_mmxld_amdfam10, athlon_ssest_amdfam10,
15646 athlon_mmxssest_short_amdfam10): New define_insn_reservation.
15648 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
15650 * config/i386/athlon.md (athlon_sseins_amdfam10): New
15651 define_insn_reservation.
15652 * config/i386/i386.md (sseins): Added sseins to define_attr type
15653 and define_attr unit.
15654 * config/i386/sse.md: Set type attribute to sseins for insertq
15657 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
15659 * config/i386/athlon.md (sselog_load_amdfam10, sselog_amdfam10,
15660 ssecmpvector_load_amdfam10, ssecmpvector_amdfam10,
15661 ssecomi_load_amdfam10, ssecomi_amdfam10,
15662 sseaddvector_load_amdfam10, sseaddvector_amdfam10): New
15663 define_insn_reservation.
15664 (ssecmp_load_k8, ssecmp, sseadd_load_k8, seadd): Added amdfam10.
15666 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
15668 * config/i386/athlon.md (cvtss2sd_load_amdfam10,
15669 cvtss2sd_amdfam10, cvtps2pd_load_amdfam10, cvtps2pd_amdfam10,
15670 cvtsi2sd_load_amdfam10, cvtsi2ss_load_amdfam10,
15671 cvtsi2sd_amdfam10, cvtsi2ss_amdfam10, cvtsd2ss_load_amdfam10,
15672 cvtsd2ss_amdfam10, cvtpd2ps_load_amdfam10, cvtpd2ps_amdfam10,
15673 cvtsX2si_load_amdfam10, cvtsX2si_amdfam10): New
15674 define_insn_reservation.
15676 * config/i386/sse.md (cvtsi2ss, cvtsi2ssq, cvtss2si,
15677 cvtss2siq, cvttss2si, cvttss2siq, cvtsi2sd, cvtsi2sdq,
15678 cvtsd2si, cvtsd2siq, cvttsd2si, cvttsd2siq,
15679 cvtpd2dq, cvttpd2dq, cvtsd2ss, cvtss2sd,
15680 cvtpd2ps, cvtps2pd): Added amdfam10_decode attribute.
15682 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
15684 * config/i386/athlon.md (athlon_ssedivvector_amdfam10,
15685 athlon_ssedivvector_load_amdfam10, athlon_ssemulvector_amdfam10,
15686 athlon_ssemulvector_load_amdfam10): New define_insn_reservation.
15687 (athlon_ssediv, athlon_ssediv_load_k8, athlon_ssemul,
15688 athlon_ssemul_load_k8): Added amdfam10.
15690 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
15692 * config/i386/i386.h (TARGET_SSE_UNALIGNED_MOVE_OPTIMAL): New macro.
15693 (x86_sse_unaligned_move_optimal): New variable.
15695 * config/i386/i386.c (x86_sse_unaligned_move_optimal): Enable for
15697 (ix86_expand_vector_move_misalign): Add code to generate movupd/movups
15698 for unaligned vector SSE double/single precision loads for AMDFAM10.
15700 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
15702 * config/i386/i386.h (TARGET_AMDFAM10): New macro.
15703 (TARGET_CPU_CPP_BUILTINS): Add code for amdfam10.
15704 Define TARGET_CPU_DEFAULT_amdfam10.
15705 (TARGET_CPU_DEFAULT_NAMES): Add amdfam10.
15706 (processor_type): Add PROCESSOR_AMDFAM10.
15708 * config/i386/i386.md: Add amdfam10 as a new cpu attribute to match
15709 processor_type in config/i386/i386.h.
15710 Enable imul peepholes for TARGET_AMDFAM10.
15712 * config.gcc: Add support for --with-cpu option for amdfam10.
15714 * config/i386/i386.c (amdfam10_cost): New variable.
15715 (m_AMDFAM10): New macro.
15716 (m_ATHLON_K8_AMDFAM10): New macro.
15717 (x86_use_leave, x86_push_memory, x86_movx, x86_unroll_strlen,
15718 x86_cmove, x86_3dnow_a, x86_deep_branch, x86_use_simode_fiop,
15719 x86_promote_QImode, x86_integer_DFmode_moves,
15720 x86_partial_reg_dependency, x86_memory_mismatch_stall,
15721 x86_accumulate_outgoing_args, x86_arch_always_fancy_math_387,
15722 x86_sse_partial_reg_dependency, x86_sse_typeless_stores,
15723 x86_use_ffreep, x86_use_incdec, x86_four_jump_limit,
15724 x86_schedule, x86_use_bt, x86_cmpxchg16b, x86_pad_returns):
15725 Enable/disable for amdfam10.
15726 (override_options): Add amdfam10_cost to processor_target_table.
15727 Set up PROCESSOR_AMDFAM10 for amdfam10 entry in
15728 processor_alias_table.
15729 (ix86_issue_rate): Add PROCESSOR_AMDFAM10.
15730 (ix86_adjust_cost): Add code for amdfam10.
15732 2007-02-05 Harsha Jagasia <harsha.jagasia@amd.com>
15734 * config/i386/i386.opt: Add new Advanced Bit Manipulation (-mabm)
15735 instruction set feature flag. Add new (-mpopcnt) flag for popcnt
15736 instruction. Add new SSE4A (-msse4a) instruction set feature flag.
15737 * config/i386/i386.h: Add builtin definition for SSE4A.
15738 * config/i386/i386.md: Add support for ABM instructions
15739 (popcnt and lzcnt).
15740 * config/i386/sse.md: Add support for SSE4A instructions
15741 (movntss, movntsd, extrq, insertq).
15742 * config/i386/i386.c: Add support for ABM and SSE4A builtins.
15743 Add -march=amdfam10 flag.
15744 * config/i386/ammintrin.h: Add support for SSE4A intrinsics.
15745 * doc/invoke.texi: Add documentation on flags for sse4a, abm, popcnt
15747 * doc/extend.texi: Add documentation for SSE4A builtins.
15749 2007-02-05 Bob Wilson <bob.wilson@acm.org>
15751 * config/xtensa/xtensa.c (constantpool_mem_p): Skip over SUBREGs.
15753 2007-02-05 Richard Guenther <rguenther@suse.de>
15755 * tree-vectorizer.h (vectorizable_function): Add argument type
15756 argument, change return type.
15757 * tree-vect-patterns.c (vect_recog_pow_pattern): Adjust caller.
15758 * tree-vect-transform.c (vectorizable_function): Handle extra
15759 argument, return vectorized function decl.
15760 (build_vectorized_function_call): Remove.
15761 (vectorizable_call): Handle calls with result and argument types
15762 differing. Handle loop vectorization factor correctly.
15763 * targhooks.c (default_builtin_vectorized_function): Adjust for
15765 * targhooks.h (default_builtin_vectorized_function): Likewise.
15766 * target.h (builtin_vectorized_function): Add argument type
15768 * config/i386/i386.c (ix86_builtin_vectorized_function): Handle
15769 extra argument, allow vectorizing of lrintf.
15770 * doc/tm.texi (TARGET_VECTORIZE_BUILTIN_VECTORIZED_FUNCTION): Adjust
15771 documentation of target hook.
15773 2007-02-05 Hans-Peter Nilsson <hp@axis.com>
15776 * config/cris/cris.md ("*andsi_movu", "*andsi_clear", "*andhi_movu")
15777 ("*andhi_clear", andu (casesi+45)): For size-changed operand where
15778 memory is allowed, require !side_effects_p, not just !MEM_VOLATILE_P.
15780 2007-02-05 Roger Sayle <roger@eyesopen.com>
15782 * fold-const.c (fold_unary) <REAL_PART>: Test for availability of
15783 BUILT_IN_COS before simplifying REAL_PART(CEXPI)) to COS.
15784 <IMAG_PART>: Likewise, check for availability of BUILT_IN_SIN.
15785 * builtins.c (fold_builtin_sincos): Check for TARGET_C99_FUNCTIONS
15786 before canonicalizing sincos to cexpi.
15787 (fold_builtin_cexp): Likewise, for canonicalizing cexp to cexpi.
15789 2007-02-05 Roger Sayle <roger@eyesopen.com>
15791 * config/alpha/alpha.c (alpha_add_builtins): New Helper function.
15792 Set TREE_READONLY and TREE_NOTHROW directly, not via attributes.
15793 (alpha_init_builtins): Use alpha_add_builtins to process tables.
15795 2007-02-05 Roger Sayle <roger@eyesopen.com>
15797 * mips-tfile.c (initialize_init_file): Correct endianness test.
15799 2007-02-05 Kazu Hirata <kazu@codesourcery.com>
15801 * config/m68k/m68k.md (pushdi-1, pushdi, movsi+1): Don't use
15802 the 'y' constraint.
15804 2007-02-05 Richard Sandiford <richard@codesourcery.com>
15806 * dwarf2out.c (dwarf2out_frame_debug_expr): Record the register
15807 saves in a PARALLEL before the register assignments.
15809 2007-02-05 Richard Sandiford <richard@codesourcery.com>
15811 * doc/tm.texi (DWARF_ALT_FRAME_RETURN_COLUMN): Do not require
15812 DWARF_FRAME_RETURN_COLUMN to be a general register.
15813 * dwarf2out.c (init_return_column_size): New function, split from...
15814 (expand_builtin_init_dwarf_reg_sizes): ...here. Allow both
15815 DWARF_FRAME_RETURN_COLUMN and DWARF_ALT_FRAME_RETURN_COLUMN
15816 to be nongeneral registers.
15817 * config/m68k/m68k.h (DWARF_FRAME_REGNUM): Only map FP and
15819 (DWARF_FRAME_REGISTERS, DWARF_FRAME_RETURN_COLUMN): Define.
15820 (DWARF_ALT_FRAME_RETURN_COLUMN): Define.
15822 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15824 * cfgcleanup.c (try_optimize_cfg): Avoid removing ENTRY_BLOCK_PTR.
15826 2007-02-04 Zdenek Dvorak <dvorakz@suse.cz>
15828 * cfgloopmanip.c (loop_delete_branch_edge): Removed.
15829 (remove_path): Use can_remove_branch_p and remove_branch instead
15830 of loop_delete_branch_edge.
15831 * tree-ssa-loop-manip.c (scale_dominated_blocks_in_loop): New function.
15832 (tree_transform_and_unroll_loop): Remove dead branches immediately.
15833 Update profile using scale_dominated_blocks_in_loop.
15834 * cfghooks.c (can_remove_branch_p, remove_branch): New functions.
15835 * cfghooks.h (struct cfg_hooks): Add can_remove_branch_p.
15836 (can_remove_branch_p, remove_branch): Declare.
15837 * tree-cfg.c (tree_can_remove_branch_p): New function.
15838 (tree_cfg_hooks): Add tree_can_remove_branch_p.
15839 * cfgrtl.c (rtl_can_remove_branch_p): New function.
15840 (rtl_cfg_hooks, cfg_layout_rtl_cfg_hook): Add rtl_can_remove_branch_p.
15842 2007-02-05 Jan Hubicka <jh@suse.cz>
15844 PR middle-end/30696
15845 * ipa-inline.c (cgraph_clone_inlined_nodes): When there are unanalyzed
15846 nodes in cgraph, don't remove offline copy of the function.
15848 2007-02-04 Jan Hubicka <jh@suse.cz>
15850 * tree-sra.c (sra_walk_expr): Add linebreaks. BITFIELD_REFs into
15851 vectors might cause maybe_lookup_element_for_expr to be called
15852 on non-sra-candidate.
15854 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
15856 * config/bfin/bfin-modes.def, config/bfin/bfin.c,
15857 config/bfin/bfin.md, config/bfin/predicates.md: Follow
15858 spelling conventions.
15860 2007-02-04 Richard Guenther <rguenther@suse.de>
15862 PR middle-end/30636
15863 * fold-const.c (try_move_mult_to_index): Make sure to not
15864 overflow one dimension of a multi-dimensional array access.
15866 2007-02-04 Jan Hubicka <jh@suse.cz>
15868 * passes.c (init_optimization_passes): Reindent.
15870 2007-02-04 Jan Hubicka <jh@suse.cz>
15871 Eric Botcazou <ebotcazou@adacore.com>
15873 * tree-optimize.c (has_abnormal_outgoing_edge_p): Move to...
15874 (execute_fixup_cfg): Break out the abnormal goto code.
15875 * tree-inline.c (has_abnormal_outgoing_edge_p): ...here.
15876 (make_nonlocal_label_edges): Move here from execute_fixup_cfg.
15877 (optimize_inline_calls): Call make_nonlocal_label_edges.
15879 2007-02-04 Jan Hubicka <jh@suse.cz>
15881 * tree-ssa-copyrename.c (copy_rename_partition_coalesce): Return
15882 true when something was changed.
15883 (rename_ssa_copies): When something was changed, do
15884 TODO_remove_unused_locals.
15885 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
15886 add TODO_remove_unused_locals when instruction was removed.
15888 2007-02-04 Jan Hubicka <jh@suse.cz>
15890 * ipa-inline.c (try_inline): Improve debug output; work on already
15892 (cgraph_decide_inlining_incrementally): Indent; improve debug output;
15893 call try_inline for already inlined edges too when flattening;
15894 inline also functions that make callee growth but overall unit size
15897 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
15899 * config/m32c/bitops.md, config/m32c/jump.md,
15900 config/m32c/m32c.c, config/m32c/m32c.h, config/m32r/m32r.c,
15901 config/m32r/m32r.h, config/m32r/m32r.md,
15902 config/m32r/predicates.md, config/m68hc11/larith.asm,
15903 config/m68hc11/m68hc11.c, config/m68hc11/m68hc11.h,
15904 config/m68k/m68k.h, config/mcore/mcore.md, config/mips/4k.md,
15905 config/mips/mips-protos.h, config/mips/mips.c,
15906 config/mips/mips.h, config/mips/mips.md, config/mips/mips16.S,
15907 config/mn10300/mn10300.h, config/mn10300/predicates.md,
15908 config/mt/mt.c, config/mt/mt.h, config/mt/mt.md: Follow
15909 spelling conventions.
15911 * config/v850/v850.c, config/v850/v850.h, config/v850/v850.md:
15912 Follow spelling conventions.
15914 2007-02-03 Douglas Gregor <doug.gregor@gmail.com>
15916 * c-opts.c (c_common_post_options): If C++0x mode is enabled, don't
15917 warn about C++0x compatibility.
15919 2007-02-04 Kazu Hirata <kazu@codesourcery.com>
15921 * config/h8300/h8300.c, config/h8300/h8300.h,
15922 config/h8300/h8300.md: Follow spelling conventions.
15924 2007-02-03 Uros Bizjak <ubizjak@gmail.com>
15926 PR middle-end/30667
15927 * combine.c (try_combine): Do not substitute source operand
15928 with constants wider than 2 * HOST_BITS_PER_WIDE_INT.
15930 2007-02-03 Jan Hubicka <jh@suse.cz>
15932 PR gcov-profile/30650
15933 * value-prof.c (stringop_block_profile): Fix handling of size counter;
15934 do not divide by zero for never executed counters.
15935 (tree_find_values_to_profile): Fix counters.
15936 * gcov-ui.h (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): Fix comments.
15938 2007-02-03 Ian Lance Taylor <iant@google.com>
15940 * lower-subreg.c (simple_move_operand): New static function,
15941 broken out of simple_move. Reject LABEL_REF, SYMBOL_REF, and HIGH
15943 (simple_move): Call simple_move_operand.
15944 (find_decomposable_subregs): Add special handling of MEMs.
15945 (can_decompose_p): Rename from cannot_decompose_p. Reverse
15946 meaning of return value. If we see a hard register, test whether
15947 it can store a word_mode value. Change all callers.
15949 2007-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15951 * pa.md (addvdi3, addvsi3, subvdi3, subvsi3, negvdi2, negvsi2): New
15952 ftrapv insns and expanders.
15953 (subdi3): Change define_expand operand 1 to arith11_operand, and
15954 operand 2 to reg_or_0_operand. Change constraints of 64-bit insn
15955 pattern to handle reg_or_0 operands. Revise 32-bit insn pattern to
15956 handle 11-bit constants and reg_or_0 operands in operands 1 and 2,
15959 PR middle-end/30174
15960 * varasm.c (notice_global_symbol): Treat global objects as weak when
15961 flag_shlib is true.
15963 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15965 * emit-rtl.c (dconstpi): Delete.
15966 (dconstsqrt2): New.
15967 (init_emit_once): Delete dconstpi and init dconstsqrt2.
15968 * real.h (dconstpi): Delete.
15969 (dconstsqrt2): New.
15970 * builtins.c (fold_builtin_cabs): Use dconstsqrt2.
15971 (fold_builtin_hypot): Likewise.
15973 2007-02-03 Tom Tromey <tromey@redhat.com>
15976 * gcc.c (cpp_unique_options): Any of -ggdb3, -gstabs3,
15977 -gcoff3, -gxcoff3, -gvms3 implies -dD.
15979 2007-02-03 Kazu Hirata <kazu@codesourcery.com>
15981 * c-decl.c, config/avr/avr.c, config/avr/avr.h,
15982 config/m68k/m68k.c, config/m68k/netbsd-elf.h,
15983 config/mn10300/mn10300.c, config/pdp11/pdp11.h,
15984 config/rs6000/cell.md, config/rs6000/darwin.h,
15985 config/sh/sh.md, config/sh/sh4-300.md, config/spu/spu.c,
15986 config/spu/spu.md, cselib.c, expr.c, haifa-sched.c, hwint.h,
15987 jump.c, reload.c, sched-deps.c, sched-int.h, tree-inline.c,
15988 tree-profile.c, tree-ssa-live.h, tree-vrp.c: Fix comment
15989 typos. Follow spelling conventions.
15990 * doc/invoke.texi: Follow spelling conventions.
15992 2007-02-03 Roger Sayle <roger@eyesopen.com>
15994 * simplify-rtx.c (simplify_relational_operation_1): Implement some
15995 canonicalization transformations that attempt to simplify integer
15996 constant comparisons to become comparisons against zero.
15998 2007-02-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16000 * builtins.c (fold_builtin_cabs): Fold cabs(x+xi) into
16002 * fold-const.c (fold_binary): Fix comment typos. Fold complex
16003 (x,0)-(0,y) into (x,-y). Likewise (0,y)-(x,0) into (-x,y).
16005 2007-02-02 Mike Stump <mrs@apple.com>
16007 * config/darwin9.h (DARWIN_LINKER_GENERATES_ISLANDS): Add.
16008 * config/rs6000/rs6000.c (DARWIN_GENERATE_ISLANDS): Add.
16009 (output_call): Use DARWIN_GENERATE_ISLANDS to decide when to
16010 generate a branch island.
16012 2007-02-02 Bob Wilson <bob.wilson@acm.org>
16014 * config/xtensa/xtensa.c (smalloffset_mem_p): Use BASE_REG_P.
16015 (xtensa_legitimate_address_p): New.
16016 (xtensa_legitimize_address): New.
16017 (xtensa_output_addr_const_extra): New.
16018 * config/xtensa/xtensa.h (REG_OK_STRICT_FLAG): Define.
16020 (REG_OK_FOR_BASE_P): Use BASE_REG_P.
16021 (GO_IF_LEGITIMATE_ADDRESS): Move code to xtensa_legitimate_address_p.
16022 (LEGITIMIZE_ADDRESS): Move code to xtensa_legitimize_address.
16023 (OUTPUT_ADDR_CONST_EXTRA): Move code to xtensa_output_addr_const_extra.
16024 * config/xtensa/xtensa-protos.h (xtensa_legitimate_address_p): New.
16025 (xtensa_legitimize_address): New.
16026 (xtensa_output_addr_const_extra): New.
16028 2007-02-02 Steve Ellcey <sje@cup.hp.com>
16030 * config/ia64/ia64.c (ia64_print_operand): Fix compare strings.
16032 2007-02-02 Ian Lance Taylor <iant@google.com>
16034 * expmed.c (expand_divmod): Add comment.
16036 2007-02-02 Kazu Hirata <kazu@codesourcery.com>
16038 * emit-rtl.c (renumber_insns): Remove.
16039 * flags.h: Remove the extern for flag_renumber_insns.
16040 * rtl.h: Remove the prototype for renumber_insns.
16041 * toplev.c (flag_renumber_insns): Remove.
16043 2007-02-02 Hui-May Chang <hm.chang@apple.com>
16045 Revert for x86 darwin:
16046 2005-06-19 Uros Bizjak <uros@kss-loka.si>
16048 * config/i386/i386.c (ix86_function_arg_regno_p): Put back the
16049 code before the following patch under TARGET_MACHO.
16050 (ix86_function_value_regno_p): Likewise.
16052 2007-02-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16054 * fold-const.c (negate_expr_p, fold_negate_expr): Handle
16057 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16060 * config/ia64/ia64.c (ia64_speculate_insn): Restrict to memory
16061 loads to general or fp registers. Add comments.
16062 * config/ia64/ia64.md (reg_pred_prefix): Add comment.
16064 2007-02-02 Paolo Bonzini <bonzini@gnu.org>
16066 * pointer-set.c (insert_aux): Only return insertion slot.
16067 (pointer_set_insert): Adjust.
16068 (pointer_set_traverse, struct pointer_map_t, pointer_map_create,
16069 pointer_map_destroy, pointer_map_insert, pointer_map_contains,
16070 pointer_map_traverse): New.
16071 * pointer-set.h (pointer_set_traverse, struct pointer_map_t,
16072 pointer_map_create, pointer_map_destroy, pointer_map_insert,
16073 pointer_map_contains, pointer_map_traverse): Declare.
16075 2007-02-02 Jakub Jelinek <jakub@redhat.com>
16077 PR middle-end/30473
16078 * builtins.c (fold_builtin_sprintf): Do not attempt to optimize
16079 sprintf (str, "%s"). Do not optimize sprintf (str, "nopercent", p++).
16081 2007-02-02 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
16083 * sched-int.h (ds_to_dk, dk_to_ds): Declare functions.
16085 (struct _dep): New type.
16086 (dep_t): New typedef.
16087 (DEP_PRO, DEP_CON, DEP_KIND): New access macros.
16088 (DEP_STATUS): New access macro. The macro with the same name was
16089 renamed to DEP_LINK_STATUS.
16090 (dep_init): Declare function
16092 (struct _dep_link): New type.
16093 (dep_link_t): New typedef.
16094 (DEP_LINK_NODE, DEP_LINK_NEXT, DEP_LINK_PREV_NEXTP): New access macros.
16095 (DEP_LINK_DEP, DEP_LINK_PRO, DEP_LINK_CON, DEP_LINK_KIND): New macros.
16096 (DEP_LINK_STATUS): New macro.
16097 (debug_dep_links): New debug function.
16099 (struct _deps_list): New type.
16100 (deps_list_t): New typedef.
16101 (DEPS_LIST_FIRST): New access macro.
16102 (FOR_EACH_DEP_LINK): New cycle macro.
16103 (create_deps_list, free_deps_list, delete_deps_list): Declare
16105 (deps_list_empty_p, debug_deps_list, add_back_dep_to_deps_list): Ditto.
16106 (find_link_by_pro_in_deps_list, find_link_by_con_in_deps_list): Ditto.
16107 (copy_deps_list_change_con): Ditto.
16109 (move_dep_link): Declare function.
16111 (struct _dep_node): New type.
16112 (dep_node_t): New typedef.
16113 (DEP_NODE_BACK, DEP_NODE_DEP, DEP_NODE_FORW): New access macros.
16115 (struct haifa_insn_data.back_deps): New field to hold backward
16116 dependencies of the insn.
16117 (struct haifa_insn_data.depend): Rename to forw_deps. Change its type
16119 (struct haifa_insn_data.resolved_deps): Rename to resolved_back_deps.
16120 Change its type to deps_list_t.
16121 (INSN_BACK_DEPS): New access macro to use instead of LOG_LINKS.
16122 (INSN_DEPEND): Rename to INSN_FORW_DEPS.
16123 (RESOLVED_DEPS): Rename to INSN_RESOLVED_BACK_DEPS.
16125 (INSN_COST): Move to haifa-sched.c. Use insn_cost () instead.
16127 (DEP_STATUS): Rename to DEP_LINK_STATUS. Fix typo in the comment.
16129 (add_forw_dep, delete_back_forw_dep, insn_cost): Update declaration
16131 (dep_cost): Declare.
16133 * sched-deps.c (CHECK): New macro to (en/dis)able sanity checks.
16134 (ds_to_dk, dk_to_ds): New functions.
16136 (init_dep_1): New static function.
16137 (init_dep): New function.
16138 (copy_dep): New static function.
16140 (dep_link_consistent_p, attach_dep_link, add_to_deps_list): New static
16142 (detach_dep_link): New static function.
16143 (move_dep_link): New function.
16145 (dep_links_consistent_p, dump_dep_links): New static functions.
16146 (debug_dep_links): New debugging function.
16148 (deps_obstack, dl_obstack, dn_obstack): New static variables.
16150 (alloc_deps_list, init_deps_list): New static functions.
16151 (create_deps_list): New function.
16152 (clear_deps_list): New static function.
16153 (free_deps_list, delete_deps_list, deps_list_empty_p): New functions.
16154 (deps_list_consistent_p, dump_deps_list): New static functions.
16155 (debug_deps_list): New function.
16156 (add_back_dep_to_deps_list, find_link_by_pro_in_deps_list): New
16158 (find_link_by_con_in_deps_list, copy_deps_list_change_con): Ditto.
16160 (maybe_add_or_update_back_dep_1, add_or_update_back_dep_1): Update to
16161 use new scheduler dependencies lists.
16162 (add_back_dep, delete_all_dependences, fixup_sched_groups): Ditto.
16163 (sched_analyze): Ditto. Initialize dependencies lists.
16164 (add_forw_dep, compute_forward_dependences): Update to use new
16165 scheduler dependencies lists.
16167 (init_dependency_caches): Init deps_obstack.
16168 (free_dependency_caches): Free deps_obstack.
16170 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep): Update to use
16171 new scheduler dependencies lists.
16172 (delete_forw_dep, add_or_update_back_forw_dep): Ditto.
16173 (add_back_forw_dep, delete_back_forw_dep): Ditto.
16175 * sched-rgn.c (set_spec_fed, find_conditional_protection, is_pfree):
16176 Update to use new scheduler dependencies lists.
16177 (is_conditionally_protected, is_prisky, add_branch_dependences): Ditto.
16178 (debug_dependencies): Ditto.
16179 (schedule_region): Update comments.
16181 * sched-ebb.c (earliest_block_with_similiar_load): Update to use new
16182 scheduler dependencies lists.
16183 (schedule_ebb): Update comments.
16185 * rtl.def (DEPS_LIST): Remove.
16187 * lists.c (unused_deps_list): Remove.
16188 (free_list): Update assertions.
16190 (alloc_DEPS_LIST, free_DEPS_LIST_list, free_DEPS_LIST_node): Remove.
16191 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
16193 * rtl.h (free_DEPS_LIST_list, alloc_DEPS_LIST): Remove declarations.
16194 (remove_free_DEPS_LIST_elem, copy_DEPS_LIST_list): Ditto.
16196 * haifa-sched.c (comments): Update.
16197 (insn_cost1): Remove. Inline the code into insn_cost ().
16198 (insn_cost): Update to use new scheduler dependencies lists. Move
16199 processing of the dependency cost to dep_cost ().
16200 (dep_cost): New function. Use it instead of insn_cost () when
16201 evaluating cost of the dependency. Use compatible interface to
16202 interact with the target.
16203 (priority): Update to use new scheduler dependencies lists.
16204 (rank_for_schedule): Ditto. Optimize heuristic that prefers the insn
16205 with greater number of insns that depend on the insn.
16206 (schedule_insn): Update to use new scheduler dependencies lists. Add
16207 code to free backward dependencies lists. Inline and optimize code
16208 from resolve_dep () - see PR28071.
16209 (ok_for_early_queue_removal): Update to use new scheduler dependencies
16210 lists. Update call to targetm.sched.is_costly_dependence hook.
16212 (fix_inter_tick, try_ready, fix_tick_ready): Update to use new
16213 scheduler dependencies lists.
16215 (resolve_dep): Remove. Move the logic to schedule_insn ().
16216 (init_h_i_d): Initialize dependencies lists.
16218 (process_insn_depend_be_in_spec): Rename to
16219 process_insn_forw_deps_be_in_spec. Update to use new scheduler
16220 dependencies lists.
16221 (add_to_speculative_block, create_check_block_twin, fix_recovery_deps):
16222 Update to use new scheduler dependencies lists.
16223 (clear_priorities, calc_priorities, add_jump_dependencies): Ditto.
16225 * ddg.c (create_ddg_dependence, create_ddg_dep_no_link): Update to use
16226 new scheduler dependencies lists.
16227 (build_intra_loop_deps): Ditto.
16229 * target.h (struct _dep): Declare to use in
16230 gcc_target.sched.is_costly_dependence.
16231 (struct gcc_target.sched.adjust_cost): Fix typo.
16232 (struct gcc_target.sched.is_costly_dependence): Change signature to
16233 use single dep_t parameter instead of an equivalent triad.
16234 (struct gcc_target.sched.adjust_cost_2): Remove.
16236 * target-def.h (TARGET_SCHED_ADJUST_COST_2): Remove.
16238 * reg-notes.def (DEP_TRUE, DEP_OUTPUT, DEP_ANTI): Update comments.
16240 * doc/tm.texi (TARGET_SCHED_IS_COSTLY_DEPENDENCE): Update
16242 (TARGET_SCHED_ADJUST_COST_2): Remove documentation.
16244 * doc/rtl.texi (LOG_LINKS): Remove part about instruction scheduler.
16245 (REG_DEP_TRUE): Document.
16247 * config/ia64/ia64.c (ia64_adjust_cost_2): Rename to ia64_adjust_cost.
16248 Change signature to correspond to the targetm.sched.adjust_cost hook.
16249 Update use in TARGET_SCHED_ADJUST_COST_2.
16250 (TARGET_SCHED_ADJUST_COST_2): Rename to TARGET_SCHED_ADJUST_COST.
16251 (ia64_dependencies_evaluation_hook, ia64_dfa_new_cycle): Update to use
16252 new scheduler dependencies lists.
16253 (ia64_gen_check): Ditto.
16255 * config/mips/mips.c (vr4130_swap_insns_p): Update to use new
16256 scheduler dependencies lists.
16258 * config/rs6000/rs6000.c (rs6000_is_costly_dependence): Change
16259 signature to correspond to the targetm.sched.is_costly_dependence hook.
16260 (is_costly_group): Update to use new scheduler dependencies lists.
16262 * config/spu/spu.c (spu_sched_adjust_cost): Use insn_cost () function
16263 instead of INSN_COST () macro.
16265 2007-02-01 Ian Lance Taylor <iant@google.com>
16267 * lower-subreg.c (resolve_clobber): Handle a subreg of a concatn.
16269 2007-02-01 Guy Martin <gmsoft@gentoo.org>
16271 * pa.md (tp_load): Correct mfctl instruction syntax.
16273 2007-02-01 Geoffrey Keating <geoffk@apple.com>
16275 * config/rs6000/rs6000.c (rs6000_stack_info): Correct
16276 altivec_padding_size calculation on AIX. Improve comment, add
16277 assert to verify that it's right.
16279 * config/rs6000/darwin.h (MD_UNWIND_SUPPORT): Don't define for
16282 2007-2-01 Seongbae Park <seongbae.park@gmail.com>
16284 PR inline-asm/28686
16285 * global.c (global_alloc): Add mising initialization of
16288 2007-02-01 Roger Sayle <roger@eyesopen.com>
16290 * alias.c (init_alias_analysis): Correct whitespace.
16291 * bb-reorder.c (fix_edges_for_rarely_executed_code,
16292 partition_hot_cold_basic_blocks): Likewise.
16293 * builtins.c (expand_builtin_printf, expand_builtin_fprintf,
16294 expand_builtin_sprintf, fold_builtin_carg, fold_builtin_sprintf,
16295 maybe_emit_sprintf_chk_warning, fold_builtin_sprintf_chk,
16296 fold_builtin_snprintf_chk, fold_builtin_printf,
16297 fold_builtin_fprintf, do_mpfr_ckconv, do_mpfr_arg1, do_mpfr_arg2,
16298 do_mpfr_arg3, do_mpfr_sincos): Likewise.
16299 * cfgcleanup.c (cleanup_cfg): Likewise.
16300 * cfgexpand.c (tree_expand_cfg): Likewise.
16301 * fold-const.c (fold_binary) <RDIV_EXPR>: Likewise.
16302 * function.c (get_next_funcdef_no): Likewise.
16303 * gengtype.c (main): Likewise.
16304 * genmodes.c (main): Likewise.
16305 * gcse.c (bypass_conditional_jumps, print_ldst_list): Likewise.
16306 * haifa-sched.c (schedule_block, extend_h_i_d): Likewise.
16307 * ifcvt.c (noce_emit_move_insn): Likewise.
16308 * modulo-sched.c (generate_prolog_epilog, sms_schedule_by_order):
16310 * stor-layout.c (get_best_mode): Likewise.
16311 * tree-ssa-loop-niter.c (get_val_for): Likewise.
16312 * tree-ssa-structalias.c (get_varinfo, get_varinfo_fc,
16313 scc_visit, do_ds_constraint, do_complex_constraint, label_visit,
16314 perform_var_substitution, solve_graph): Likewise.
16315 * tree-vrp.c (vrp_finalize): Likewise.
16317 2007-02-01 Ian Lance Taylor <iant@google.com>
16319 * lower-subreg.c (simplify_gen_subreg_concatn): If we ask for the
16320 high part of a paradoxical subreg, return a constant zero.
16322 2007-02-01 Zdenek Dvorak <dvorakz@suse.cz>
16324 * toplev.c (lang_dependent_init): Call init_set_costs.
16325 * loop-init.c (loop_optimizer_init): Do not call init_set_costs.
16327 2007-02-01 Richard Guenther <rguenther@suse.de>
16329 PR middle-end/30656
16330 * fold-const.c (fold_negate_expr): Allow negating a
16331 constant if overflow does not change.
16333 2007-02-01 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
16335 * doc/c-tree.texi (Expression trees): Improve markup.
16336 * doc/tm.texi (Register Classes, Addressing Modes)
16337 (Floating Point): Fix spacing after abbreviations. Fix some
16340 2007-02-01 Ben Elliston <bje@au.ibm.com>
16342 * doc/invoke.texi: Replace "bugfix" with "bug fix" throughout.
16343 * doc/contrib.texi: Likewise.
16344 * doc/install.texi: Likewise.
16346 2007-01-31 Richard Henderson <rth@redhat.com>
16347 Ian Lance Taylor <iant@google.com>
16349 * lower-subreg.c: New file.
16350 * rtl.def (CONCATN): Define.
16351 * passes.c (init_optimization_passes): Add pass_lower_subreg and
16352 pass_lower_subreg2.
16353 * emit-rtl.c (update_reg_offset): New static function, broken out
16354 of gen_rtx_REG_offset.
16355 (gen_rtx_REG_offset): Call update_reg_offset.
16356 (gen_reg_rtx_offset): New function.
16357 * regclass.c: Revert patch of 2006-03-05, restoring
16359 (clear_reg_info_regno): New function.
16360 * dwarf2out.c (concatn_loc_descriptor): New static function.
16361 (loc_descriptor): Handle CONCATN.
16362 * common.opt (fsplit_wide_types): New option.
16363 * opts.c (decode_options): Set flag_split_wide_types when
16365 * timevar.def (TV_LOWER_SUBREG): Define.
16366 * rtl.h (gen_reg_rtx_offset): Declare.
16367 (reg_scan_update): Declare.
16368 * regs.h (clear_reg_info_regno): Declare.
16369 * tree-pass.h (pass_lower_subreg): Declare.
16370 (pass_lower_subreg2): Declare.
16371 * doc/invoke.texi (Option Summary): List -fno-split-wide-types.
16372 (Optimize Options): Add -fsplit-wide-types to -O1 list. Document
16373 -fsplit-wide-types.
16374 * doc/rtl.texi (Regs and Memory): Document concat and concatn.
16375 * Makefile.in (OBJS-common): Add lower-subreg.o.
16376 (lower-subreg.o): New target.
16378 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
16380 * config/sh/sh.h (HAVE_SECONDARY_RELOADS): Remove.
16382 2007-01-31 Anatoly Sokolov <aesok@post.ru>
16385 * config/avr/avr.c (DWARF2_ADDR_SIZE): Define.
16387 2007-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16389 PR middle-end/29335
16390 * builtins.c (fold_builtin_sqrt): Use MPFR for constant args.
16392 2007-01-31 Zdenek Dvorak <dvorakz@suse.cz>
16394 * cfgloop.h: Include vec-prim.h.
16395 (enum li_flags): Remove LI_ONLY_OLD.
16396 (loop_iterator): Changed.
16397 (fel_next, fel_init): Iterate over loop tree.
16398 (FOR_EACH_LOOP_BREAK): New macro.
16399 * loop-unswitch.c (unswitch_loops): Do not pass LI_ONLY_OLD to
16401 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Ditto.
16402 * modulo-sched.c (sms_schedule): Ditto.
16403 * tree-vectorizer.c (vectorize_loops): Ditto.
16404 * doc/loop.texi: Update information on loop numbering and behavior of
16405 FOR_EACH_LOOP wrto new loops.
16406 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
16407 add_to_evolution_1): Test nestedness of loops instead of comparing
16409 * tree-chrec.c (chrec_fold_plus_poly_poly,
16410 chrec_fold_multiply_poly_poly, chrec_evaluate,
16411 hide_evolution_in_other_loops_than_loop, chrec_component_in_loop_num,
16412 reset_evolution_in_loop): Ditto.
16413 * Makefile.in (CFGLOOP_H): Add vecprim.h dependency.
16415 2007-01-31 Dirk Mueller <dmueller@suse.de>
16417 * c-common.c (warn_about_parentheses): Separate warning about
16418 un-parenthized sequence of comparison operators from the one
16419 which is supposed to warn about x <= y <= z.
16421 2007-01-31 Uros Bizjak <ubizjak@gmail.com>
16423 * optabs.h (enum optab_index): Add new OTI_isinf.
16424 (isinf_optab): Define corresponding macro.
16425 * optabs.c (init_optabs): Initialize isinf_optab.
16426 * genopinit.c (optabs): Implement isinf_optab using isinf?f2
16428 * builtins.c (mathfn_built_in): Handle BUILT_IN_ISINF{,F,L}.
16429 (expand_builtin_interclass_mathfn): Expand BUILT_IN_ISINF{,F,L}
16431 (expand_builtin): Expand BUILT_IN_ISINF{,F,L} using
16432 expand_builtin_interclass_mathfn.
16433 * reg_stack.c (subst_stack_regs_pat): Handle UNSPEC_FXAM.
16434 * config/i386/i386.md (UNSPEC_FXAM): New constant.
16435 (fxam<mode>2_i387): New insn pattern.
16436 (isinf<mode>2) New expander to implement isinf, isinff and isinfl
16437 built-in functions as x87 inline asm.
16439 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
16441 * config/arm/unwind-arm.h (_sleb128_t, _uleb128_t): New.
16443 2007-01-30 Eric Christopher <echristo@apple.com>
16445 * config.gcc: Add geode.
16447 2007-01-31 Kazu Hirata <kazu@codesourcery.com>
16449 * cgraphunit.c, config/arm/arm.c, config/m68k/m68k.c,
16450 ipa-inline.c, tree-profile.c, tree-ssa-live.c,
16451 tree-ssa-math-opts.c, tree-ssanames.c, tree-vect-analyze.c,
16452 value-prof.c: Fix comment typos.
16454 2007-01-30 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
16457 * doc/invoke.texi (Wpointer-arith): Document warning.
16459 2007-01-30 Janis Johnson <janis187@us.ibm.com>
16461 * doc/extend.texi (Decimal Floating Types): Remove decfloat.h from
16462 the list of discrepancies from the draft TR.
16464 2007-01-30 Dirk Mueller <dmueller@suse.de>
16467 * doc/invoke.texi (-Wreturn-type): Update description to
16468 match new behavior.
16470 2007-01-30 Richard Sandiford <richard@codesourcery.com>
16472 * cfgrtl.c (try_redirect_by_replacing_jump): Check only_sets_cc0_p.
16474 2007-01-30 Uros Bizjak <ubizjak@gmail.com>
16476 * builtins.c (expand_builtin_int_interclass_roundingfn): New function
16477 to handle optabs that operate on floating point input argument and
16478 output to integer output.
16479 (expand_builtin_mathfn) [BUILT_IN_ILOGB]: Move from here ...
16480 (expand_builtin_interclass_mathfn) [BUILT_IN_ILOGB]: ... to here.
16481 (expand_builtin): Expand BUILT_IN_ILOGB{,F,L} using
16482 expand_builtin_interclass_mathfn ().
16483 * config/i386/i386.md (fxtractxf3_i387): Rename from *fxtractxf3_i387.
16484 (ilogbsi2): Remove.
16485 (ilogbxf2, ilogb<mode>2): New expanders to implement ilogb, ilogbf and
16486 ilogbl built-in functions as x87 intrinsics.
16488 2007-01-30 Richard Guenther <rguenther@suse.de>
16490 PR middle-end/27657
16491 * dwarf2out.c (reference_to_unused): Query varpool if the
16492 variable was output.
16494 2007-01-30 Richard Guenther <rguenther@suse.de>
16496 PR middle-end/30313
16497 * passes.c (execute_one_pass): Reset in_gimple_form to not
16498 confuse non-unit-at-a-time mode.
16500 2007-01-29 Roger Sayle <roger@eyesopen.com>
16501 Richard Guenther <rguenther@suse.de>
16503 * fold-const.c (round_up): Make HIGH an unsigned HOST_WIDE_INT to
16504 avoid undefined behaviour on overflow. Use force_fit_type_double
16505 to construct the constant with the specified TREE_OVERFLOW.
16507 2007-01-29 Janis Johnson <janis187@us.ibm.com>
16509 * config/dfp-bit.c: Add parameterized support for fp exceptions.
16510 * config/dfp-bit.h: Ditto.
16512 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
16514 * c-decl.c (pop_scope): Replace warnings with call to
16515 warn_for_unused_label.
16516 * c-common.h (warn_for_unused_label): Declare.
16517 * c-common.c (warn_for_unused_label): Define.
16519 2007-01-29 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
16521 * tree-optimize.c (update_inlined_to_pointers): Delete unused
16524 2007-01-29 Janis Johnson <janis187@us.ibm.com>
16526 * Makefile.in (USER_H): Remove decfloat.h.
16527 * ginclude/decfloat.h: Delete, moving contents to ...
16528 * ginclude/float.h: Add support for decimal floating point,
16529 guarded by __STDC_WANT_DEC_FP__.
16531 2007-01-29 Mike Stump <mrs@apple.com>
16533 * doc/gccint.texi (Top): Rename Loop Representation to Loop
16534 Analysis and Representation to resolve case insensitive conflict.
16535 * doc/loop.texi (Loop Analysis and Representation): Likewise.
16537 2007-01-28 Daniel Berlin <dberlin@dberlin.org>
16539 * tree.h (struct tree_memory_tag): Add aliases member.
16540 (MTAG_ALIASES): New macro.
16541 * tree-ssa-alias.c (alias_bitmap_obstack): New variable.
16542 (add_may_alias): Remove pointer-set. Update for may_aliases being
16544 (mark_aliases_call_clobbered): Update for may_aliases being a
16546 (compute_tag_properties): Ditto.
16547 (create_partition_for): Ditto.
16548 (compute_memory_partitions): Ditto.
16549 (dump_may_aliases_for): Ditto.
16550 (is_aliased_with): Ditto.
16551 (add_may_alias_for_new_tag): Ditto.
16552 (rewrite_alias_set_for): Rewrite for may_aliases being a bitmap.
16553 (compute_is_aliased): New function.
16554 (compute_may_aliases): Call compute_is_aliased).
16555 (init_alias_info): Initialize alias_bitmap_obstack.
16556 (union_alias_set_into): New function.
16557 (compute_flow_sensitive_aliasing): Use union_aliases_into.
16558 (have_common_aliases_p): Rewrite to take two bitmaps and use
16560 (compute_flow_insensitive_aliasing): Stop using pointer-sets.
16561 Update for bitmaps.
16562 (finalize_ref_all_pointers): Update for add_may_alias changes.
16563 (new_type_alias): Ditto.
16564 * tree-flow-inline.h (may_aliases): Return a bitmap.
16565 * tree-dfa.c (dump_variable): Check for MTAG_P'ness.
16566 * tree-ssa.c (verify_flow_insensitive_alias_info): Update for
16567 may_aliases being a bitmap.
16568 * tree-flow.h (struct var_ann_d): Remove may_aliases member.
16569 may_aliases now returns a bitmap.
16570 * tree-ssa-structalias.c (merge_smts_into): Update for may_aliases
16572 * tree-ssa-operands.c (add_virtual_operand): Update for
16573 may_aliases being a bitmap.
16575 2007-01-29 Daniel Berlin <dberlin@dberlin.org>
16577 PR tree-optimization/30630
16578 * tree-ssa-structalias.c (do_complex_constraint): Mark correct
16579 variable as changed.
16581 2007-01-29 Simon Martin <simartin@users.sourceforge.net>
16584 * gimplify.c (gimplify_target_expr): Make sure that the TARGET_EXPR is
16585 expanded only once even if an error occurs.
16587 2007-01-29 Ben Elliston <bje@au.ibm.com>
16589 * gcov-io.h (__gcov_indirect_call_profiler): Declare.
16590 (__gcov_average_profiler): Likewise.
16591 (__gcov_ior_profiler): Likewise.
16592 (__gcov_merge_ior): Likewise.
16594 2007-01-28 Jan Hubicka <jh@suse.cz>
16596 * builtins.c (expand_builtin_memset): Fix typo in my last patch.
16597 * value-prof.c (stringop_block_profile): Likewise.
16599 2007-01-28 Jan Hubicka <jh@suse.cz>
16601 * expr.c (emit_block_move_via_movmem, emit_block_move_via_libcall):
16602 Add variant handling histograms; add wrapper.
16603 (clear_storage_via_libcall): Export.
16604 (emit_block_move_hints): Break out from ...; add histograms.
16605 (emit_block_move): ... this one.
16606 (clear_storage_hints): Break out from ...; add histograms.
16607 (clear_storage): ... this one.
16608 (set_storage_via_memset): Handle histogram.
16609 * expr.h (emit_block_move_via_libcall, emit_block_move_hints): Declare.
16610 (clear_storage_hints, clear_storage_via_libcall): Declare.
16611 (set_storage_via_setmem): Update prototype.
16612 * doc/md.texi (movmem, setmem): Document new arguments.
16614 * value-prof.c (dump_histogram_value, tree_find_values_to_profile):
16615 Add new histograms.
16616 (stringop_block_profile): New global function.
16617 (tree_stringops_values_to_profile): Profile block size and alignment.
16618 * value-prof.h (enum hist_type): add HIST_TYPE_AVERAGE and
16620 (struct profile_hooks): Add gen_average_profiler and gen_ior_profiler.
16621 (stringop_block_profile): Declare.
16622 * builtins.c: Include value-prof.h.
16623 (expand_builtin_memcpy, expand_builtin_memset): Pass block profile.
16624 * gcov-ui.h (GCOV_COUNTER_NAMES): Add new counter.
16625 (GCOV_COUNTER_AVERAGE, GCOV_COUNTER_IOR): New constants.
16626 (GCOV_COUNTERS, GCOV_LAST_VALUE_COUNTER): Update.
16627 * profile.c (instrument_values): Add new counters.
16628 * cfgexpand.c (expand_gimple_basic_block): Propagate histograms to
16630 * tree-profile.c (tree_average_profiler_fn, tree_ior_profiler_fn): New.
16631 (tree_init_edge_profiler): Build new profilers.
16632 (tree_gen_average_profiler, tree_gen_ior_profiler): New.
16633 (pass_tree_profile): Add dump.
16634 (tree_profile_hooks): Update.
16635 * Makefile.in (LIBGCOV): Add new constants.
16636 * libgcov.c (__gcov_merge_ior, __gcov_average_profiler,
16637 __gcov_ior_profiler): New.
16638 * i386.md (movmem/setmem expanders): Add new optional arguments.
16640 2007-01-28 David Edelsohn <edelsohn@gnu.org>
16642 * doc/md.texi (Standard Pattern Names): Document blockage pattern.
16644 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
16646 * tree-ssa-loop-unswitch.c: Include tree-inline.h.
16647 (tree_unswitch_single_loop): Pass eni_size_weights to
16648 tree_num_loop_insns.
16649 * tree-ssa-loop-manip.c: Include tree-inline.h.
16650 (can_unroll_loop_p): Pass eni_size_weights to
16651 tree_num_loop_insns.
16652 * tree-ssa-loop-ch.c (should_duplicate_loop_header_p):
16653 Pass eni_size_weights to estimate_num_insns.
16654 * tree.h (init_inline_once): Export.
16655 * toplev.c (backend_init): Call init_inline_once.
16656 * cgraphunit.c (cgraph_process_new_functions,
16657 cgraph_analyze_function): Pass eni_inlining_weights to
16658 estimate_num_insns.
16659 * ipa-inline.c (compute_inline_parameters): Ditto.
16660 * tree-ssa-loop-ivcanon.c (tree_num_loop_insns): Pass weights
16661 to estimate_num_insns.
16662 (try_unroll_loop_completely): Pass eni_size_weights to
16663 tree_num_loop_insns.
16664 * tree-eh.c (decide_copy_try_finally): Pass eni_size_weights
16665 ot estimate_num_insns.
16666 * tree-ssa-loop-prefetch.c: Include tree-inline.h.
16667 (loop_prefetch_arrays): Pass eni_time_weights to tree_num_loop_insns.
16668 * tree-inline.c (eni_inlining_weights, eni_size_weights,
16669 eni_time_weights): New variables.
16670 (init_inline_once): Initialize them.
16671 (struct eni_data): Mew.
16672 (estimate_num_insns_1, estimate_num_insns): Use weights.
16673 * tree-inline.h (struct eni_weights_d): New.
16674 (eni_inlining_weights, eni_size_weights, eni_time_weights): Declare.
16675 (estimate_num_insns): Declaration changed.
16676 * cfgloop.h (tree_num_loop_insns): Declaration changed.
16677 * Makefile.in (tree-ssa-loop-unswitch.o, tree-ssa-loop-prefetch.o,
16678 tree-ssa-loop-manip.o): Add TREE_INLINE_H dependency.
16680 2007-01-28 Zdenek Dvorak <dvorakz@suse.cz>
16682 * tree-data-ref.c (conflict_fn): Assert that the number of affine
16683 relations in the conflict function is valid.
16685 2007-01-27 Ian Lance Taylor <iant@google.com>
16687 * common.opt: Add fstrict-overflow.
16688 * opts.c (decode_options): Set flag_strict_overflow if -O2.
16689 * flags.h (TYPE_OVERFLOW_WRAPS): Define.
16690 (TYPE_OVERFLOW_UNDEFINED): Define.
16691 (TYPE_OVERFLOW_TRAPS): Define. This replaces TYPE_TRAP_SIGNED.
16693 * tree.h (TYPE_TRAP_SIGNED): Don't define.
16694 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_UNDEFINED.
16695 (fold_negate_expr): Likewise.
16696 (make_range): Likewise.
16697 (extract_muldiv_1): Likewise.
16698 (maybe_canonicalize_comparison): Likewise.
16699 (fold_comparison): Likewise.
16700 (fold_binary): Likewise.
16701 (tree_expr_nonnegative_p): Likewise.
16702 (tree_expr_nonzero_p): Likewise.
16703 * tree-vrp.c (compare_values): Likewise.
16704 (extract_range_from_binary_expr): Likewise.
16705 (extract_range_from_unary_expr): Likewise.
16706 * tree-ssa-loop-niter.c (infer_loop_bounds_from_signedness):
16708 (nowrap_type_p): Likewise.
16709 * tree-scalar-evolution.c (simple_iv): Likewise.
16710 * fold-const.c (negate_expr_p): Use TYPE_OVERFLOW_WRAPS.
16711 (build_range_check): Likewise.
16712 (extract_muldiv_1): Likewise.
16713 (fold_comparison): Likewise.
16714 * tree-vrp.c (vrp_int_const_binop): Likewise.
16715 (extract_range_from_unary_expr): Likewise.
16716 * convert.c (convert_to_integer): Likewise.
16717 * fold-const.c (fold_negate_expr): Use TYPE_OVERFLOW_TRAPS.
16718 (fold_comparison): Likewise.
16719 (fold_binary): Likewise.
16720 * optabs.c (optab_for_tree_code): Likewise.
16721 * tree-vectorizer.c (vect_is_simple_reduction): Likewise.
16722 * simplify-rtx.c (simplify_const_relational_operation): Check
16723 flag_strict_overflow and flag_trapv.
16724 (simplify_const_relational_operation): Likewise.
16725 * doc/invoke.texi (Option Summary): Mention -fstrict-overflow.
16726 (Optimize Options): Add -fstrict-overflow to -O2 list. Document
16729 2007-01-27 Roger Sayle <roger@eyesopen.com>
16731 * tree.c (tree_fold_gcd): Delete.
16732 * tree.h (tree_fold_gcd): Remove prototype.
16733 * tree-data-ref.c (tree_fold_divides_p): Don't use tree_fold_gcd to
16734 test whether one constant integer is a multiple of another. Instead
16735 call int_const_binop with TRUNC_MOD_EXPR and test for a zero result.
16736 * fold-const.c (multiple_of_p): We've determined both TOP and
16737 BOTTOM are integer constants so we can call int_const_binop directly
16738 instead of the more generic const_binop.
16740 2007-01-27 Roger Sayle <roger@eyesopen.com>
16742 * fold-const.c (size_binop): In the fast-paths for X+0, 0+X, X-0 and
16743 1*X check that the constant hasn't overflowed, to preserve the
16745 (round_up): Provide an efficient implementation when rouding-up an
16746 INTEGER_CST to a power-of-two.
16748 2007-01-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
16750 * doc/sourcebuild.texi: Add comma for clarity.
16751 * doc/extend.texi: Fix some typos.
16752 * doc/passes.texi: Likewise.
16753 * doc/cppinternals.texi: Likewise.
16754 * doc/c-tree.texi: Likewise.
16755 * doc/tree-ssa.texi: Likewise.
16756 * doc/install.texi: Likewise.
16758 2007-01-27 Jan Hubicka <jh@suse.cz>
16760 * tree-sra.c (sra_walk_function): Don't rely on aliases being build.
16761 (pass_sra): Do not require alias information.
16762 * passes.c (init_optimization_passes): Add SRA
16764 2007-01-27 Steven Bosscher <steven@gcc.gnu.org>
16766 * tracer.c (rest_of_handle_tracer): We already cleaned
16767 up the CFG in tracer() so don't do it here again.
16768 * cfgcleanup.c (rest_of_handle_jump2): Don't repeat
16769 cleanup_cfg here, either. And don't call renumber_insns.
16771 * cfgrtl.c (rtl_verify_flow_info_1): Don't verify that BB_END
16772 and BB_HEAD are in the insn stream here. Instead make sure
16773 that BB_INSN is valid on all insns. Also, do check here that
16774 there are no pending branch predictions...
16775 (rtl_verify_flow_info): ...instead of doing it here. Checks
16776 for BB_END and BB_HEAD moved from rtl_verify_flow_info_1 to
16779 2007-01-26 Roger Sayle <roger@eyesopen.com>
16781 * config/i386/i386.c (ix86_swap_binary_operands_p): New helper
16782 function to simplify/factorize operand order canonicalization.
16783 (ix86_fixup_binary_operands): Reorganize using the above function.
16784 (ix86_binary_operator_ok): Likewise.
16786 2007-01-27 Jakub Jelinek <jakub@redhat.com>
16788 * genattrtab.c (struct attr_value_list, insn_code_values): Move to
16789 file scope from optimize_attrs.
16790 (simplify_test_exp): If insn_code_values is not NULL, use it to speed
16792 (optimize_attrs): Clear insn_code_values after freeing it.
16794 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
16796 * tree-ssa-address.c (create_mem_ref): Remove ", bsi" from
16797 a parts.base assignment.
16799 2007-01-26 Zdenek Dvorak <dvorakz@suse.cz>
16801 * tree-data-ref.c (dump_subscript): Use dump_conflict_function.
16802 (compute_subscript_distance, initialize_data_dependence_relation,
16803 finalize_ddr_dependent, analyze_ziv_subscript,
16804 analyze_siv_subscript_cst_affine,
16805 compute_overlap_steps_for_affine_univar,
16806 compute_overlap_steps_for_affine_1_2, analyze_subscript_affine_affine,
16807 analyze_siv_subscript, analyze_miv_subscript,
16808 analyze_overlapping_iterations, subscript_dependence_tester_1,
16809 compute_self_dependence, free_dependence_relation): Work
16810 with affine_fn instead of chrecs.
16811 (dump_affine_function, dump_conflict_function, affine_function_equal_p,
16812 common_affine_function, affine_function_base,
16813 affine_function_constant_p, affine_fn_op, affine_fn_plus,
16814 affine_fn_minus, affine_fn_free, conflict_fn_not_known,
16815 conflict_fn_no_dependence, free_conflict_function, free_subscripts,
16816 conflict_fn, affine_fn_cst, affine_fn_univar): New functions.
16817 (all_chrecs_equal_p): Removed.
16818 * tree-data-ref.h (affine_fn, conflict_function): New types.
16819 (struct subscript): Change type of conflicting_iterations_in_a
16820 and conflicting_iterations_in_b.
16822 2007-01-26 Steve Ellcey <sje@cup.hp.com>
16825 * config/pa/pa.h (TARGET_HPUX_11): New.
16826 * config/pa/pa-hpux11.h (TARGET_HPUX_11): New.
16827 * config/pa/pa.c (pa_init_builtins): Use TARGET_HPUX_11.
16829 2007-01-26 Daniel Berlin <dberlin@dberlin.org>
16830 Richard Guenther <rguenther@suse.de>
16832 * tree-ssa-structalias.c (solve_graph): Handle case
16833 we merged the variable to another.
16835 2007-01-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16837 * builtins.c (fold_builtin_1): Treat ccos and ccosh as 'even'
16840 * fold-const.c (negate_mathfn_p): Treat casin, casinh, catan,
16841 catanh, cproj, csin, csinh, ctan and ctanh as 'odd' functions.
16843 2007-01-25 DJ Delorie <dj@redhat.com>
16845 * config/m32c/m32c.c (m32c_cannot_change_mode_class): We don't
16846 allow changes to modes which don't fit in those registers.
16848 * reload1.c (choose_reload_regs): Check for invalid subregs before
16849 computing their locations, not after.
16851 2007-01-25 Geoffrey Keating <geoffk@apple.com>
16854 * config/rs6000/rs6000.c (first_altivec_reg_to_save): On Darwin,
16855 save Altivec registers in an eh_return function.
16856 (compute_vrsave_mask): Likewise.
16857 (rs6000_stack_info): Correct AIX/Darwin stack alignment computation
16858 for saving Altivec registers.
16859 (rs6000_emit_prologue): Don't allocate stack twice in
16860 eh_return function. Correct expected value of altivec_save_offset
16861 when using save_world. Describe save of R0 to stack when using
16862 save_world. Describe stack pointer adjustment when using
16863 save_world. Remove duplicated eh_return parameter register saving.
16864 Update sp_offset variable after save_world.
16865 * config/rs6000/t-darwin (LIB2FUNCS_STATIC_EXTRA): Remove
16867 (LIB2FUNCS_EXTRA): Add darwin-world.asm.
16868 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): -m64
16871 2007-01-25 Steve Ellcey <sje@cup.hp.com>
16873 * config.gcc (ia64*-*-hpux*): Make posix threads the default.
16875 2007-01-25 Steve Ellcey <sje@cup.hp.com>
16878 * config/pa/pa.c (pa_init_builtins): Set asm names for finite routines.
16879 * config/ia64/ia64.c (ia64_init_builtins): Ditto.
16881 2007-01-25 Richard Guenther <rguenther@suse.de>
16883 * doc/invoke.texi (-Wcoverage-mismatch): Document.
16884 * common.opt (-Wcoverage-mismatch): New warning option.
16885 * coverage.c (get_coverage_counts): Ignore coverage mismatch
16886 if -Wcoverage-mismatch is given.
16888 2007-01-25 Razya Ladelsky <razya@il.ibm.com>
16890 * ipa-cp.c (ipcp_insert_stage, ipcp_driver): Support for SSA.
16891 (ipcp_driver): Change to static definition.
16892 Add dumping of the ifunctions.
16893 (constant_val_insert): Remove unused parameter. Support for SSA.
16894 (ipcp_propagate_const): Support for SSA.
16895 (ipcp_profile_bb_print): Print only analyzed nodes.
16896 (ipcp_replace_map_create): Remove support for Fortran constant
16898 * ipa-prop.c (ipa_method_modify_stmt,
16899 ipa_callsite_compute_param): Support for SSA.
16900 * ipa-prop.h (ipcp_driver): Remove declaration.
16901 (IS_VALID_TREE_MAP_INDEX): Add define.
16903 2007-01-24 Geoffrey Keating <geoffk@apple.com>
16905 * unwind-dw2.c (execute_stack_op): Handle DW_OP_swap.
16907 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16909 PR middle-end/30447
16910 * builtins.c (fold_builtin_cabs): Use MPFR to evaluate a
16911 constant argument to cabs and do it without checking for
16912 -funsafe-math-optimizations.
16914 2007-01-24 Douglas Gregor <dgregor@osl.iu.edu>
16916 * c-common.h (RID_FIRST_CXX0X): New.
16917 (RID_LAST_CXX0X): New.
16918 * c-opts.c (c_common_handle_option): -Wc++0x-compat is triggered
16920 * c.opt (Wc++0x-compat): New.
16921 * doc/invoke.texi (-Wc++0x-compat): Document.
16923 2007-01-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16925 * builtins.c (fold_builtin_carg): New.
16926 (fold_builtin_1): Use it.
16928 2007-01-24 Jan Hubicka <jh@suse.cz>
16930 * ipa-inline.c (cgraph_decide_inlining): Initialize initial_insns.
16932 * ipa-inline.c (initial_insns, max_insns): Delete.
16933 (compute_max_insns): New function.
16934 (cgraph_decide_inlining_of_small_function): Use it; take minimal
16935 amount of insns as base for code growth.
16936 (cgraph_decide_inlining): Make initial_insns local; do not compute
16938 * params.def (PARAM_INLINE_UNIT_GROWTH): Set to 60.
16939 * doc/invoke.texi (inline-unit-growth): Update docs.
16941 2007-01-24 Jakub Jelinek <jakub@redhat.com>
16943 * config/i386/i386.h (x86_cmpxchg16b): Remove const.
16944 (TARGET_CMPXCHG16B): Define to x86_cmpxchg16b.
16945 * config/i386/i386.c (x86_cmpxchg16b): Remove const.
16946 (override_options): Add PTA_CX16 flag. Set x86_cmpxchg16b
16947 for CPUs that have PTA_CX16 set.
16949 PR middle-end/27416
16950 * gimplify.c (omp_check_private): New function.
16951 (gimplify_scan_omp_clauses): Use it for
16952 firstprivate/lastprivate/reduction.
16954 PR middle-end/30494
16955 * gimplify.c (omp_add_variable): Don't call omp_notice_variable
16956 on TYPE_SIZE_UNIT for GOVD_LOCAL VLAs.
16958 PR middle-end/30421
16959 * omp-low.c (lower_omp_for_lastprivate): Add dlist argument.
16960 If lower_lastprivate_clauses emits some statements, append them
16961 to dlist rather than body_p and to body_p append an initializer.
16962 (lower_omp_for): Adjust caller.
16964 2007-01-24 Steve Ellcey <sje@cup.hp.com>
16966 * target.h (globalize_decl_name): New.
16967 * target-def.h (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
16968 * output.h (default_globalize_decl_name): New.
16969 * varasm.c (asm_output_bss): Use globalize_decl_name instead of
16971 (globalize_decl): Ditto.
16972 (default_globalize_decl_name): New.
16973 * config/ia64/ia64.c (ia64_globalize_decl_name): New.
16974 (ia64_handle_version_id_attribute): New.
16975 (TARGET_ASM_GLOBALIZE_DECL_NAME): New.
16976 (ia64_asm_output_external): Use globalize_decl_name instead
16977 of globalize_label.
16978 * doc/extend.texi (version_id): New pragma.
16979 * doc/tm.texi (ARGET_ASM_GLOBALIZE_DECL_NAME): New target hook.
16981 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
16983 * unwind-dw2-fde.c (get_cie_encoding): Replaced _Unwind_Word with
16984 _uleb128_t and _Unwind_SWord with _sleb128_t.
16985 * unwind-dw2.c (extract_cie_info, execute_stack_op,
16986 execute_cfa_program, uw_frame_state_for, uw_update_context_1):
16988 * unwind-c.c (parse_lsda_header, PERSONALITY_FUNCTION): Likewise.
16989 * unwind-pe.h (read_uleb128, read_sleb128,
16990 read_encoded_value_with_base): Likewise.
16991 * unwind-generic.h: Define _sleb128_t and _uleb128_t types.
16993 2007-01-24 Richard Guenther <rguenther@suse.de>
16995 * builtins.c (expand_builtin_cexpi): Get the fndecl
16996 for cexp in the correct way.
16998 2007-01-24 Jan Hubicka <jh@suse.cz>
17000 * tree-ssa-dce.c (eliminate_unnecesary_stmts): Remove dead LHS
17003 2007-01-24 Andreas Krebbel <krebbel1@de.ibm.com>
17005 * c-cppbuiltin.c (builtin_define_type_sizeof): New function.
17006 (c_cpp_builtins): New builtin macros: __SIZEOF_INT__, __SIZEOF_LONG__,
17007 __SIZEOF_LONG_LONG__, __SIZEOF_SHORT__, __SIZEOF_POINTER__,
17008 __SIZEOF_FLOAT__, __SIZEOF_DOUBLE__, __SIZEOF_LONG_DOUBLE__,
17009 __SIZEOF_SIZE_T__, __SIZEOF_WCHAR_T__, __SIZEOF_WINT_T__ and
17010 __SIZEOF_PTRDIFF_T__.
17011 * doc/cpp.texi: Documentation for the new builtin macros added.
17013 2007-01-24 Uros Bizjak <ubizjak@gmail.com>
17015 * config/i386/i386.md (tanxf2, tan<mode>2, atan<mode>2, log<mode>2,
17016 log10<mode>2, log2<mode>2, expxf2, exp10xf2, exp2xf2): Use op2
17017 instead of operands[2] to avoid access past the end of array.
17019 2007-01-24 Richard Sandiford <richard@codesourcery.com>
17021 * reload1.c (emit_reload_insns): Pass the reload register
17022 for a non-spill output reload through forget_old_reloads_1.
17024 2007-01-23 Joseph Myers <joseph@codesourcery.com>
17026 * config/rs6000/rs6000-c.c (rs6000_cpu_cpp_builtins): Define
17027 _SOFT_DOUBLE if doubles use software floating-point.
17028 * config/rs6000/libgcc-ppc-glibc.ver: Export additional long
17029 double functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
17030 * config/rs6000/darwin-ldouble.c: Also compile functions for
17031 hard-float without FPRs. Use fmsub function for all __NO_FPRS__
17032 cases. Compile extra functions if _SOFT_DOUBLE, not _SOFT_FLOAT.
17033 * config/rs6000/linuxspe.h (SUBSUBTARGET_OVERRIDE_OPTIONS): Remove
17034 commented-out long double override.
17035 (CPP_LONGDOUBLE_DEFAULT_SPEC): Likewise.
17036 * config/rs6000/eabispe.h: Likewise.
17037 * config/rs6000/rs6000.c (rs6000_override_options): Don't override
17038 long double for non-SPE.
17039 (rs6000_handle_option): Likewise.
17040 (invalid_e500_subreg): Disallow more subregs involding DImode,
17041 DFmode, TImode or TFmode.
17042 (rs6000_legitimate_offset_address_p): Check TFmode offsets for
17044 (legitimate_lo_sum_address_p): Also check for TFmode for E500
17046 (rs6000_legitimize_address): Also handle TFmode for E500 double.
17047 (rs6000_legitimize_reload_address): Also handle TFmode for E500
17049 (rs6000_legitimate_address): Also check for TFmode for E500
17051 (rs6000_emit_move): Use DFmode subregs of TFmode for E500 double.
17052 (spe_build_register_parallel): Handle TFmode and TCmode.
17053 (rs6000_spe_function_arg): Handle TFmode and TCmode for E500
17055 (function_arg): Handle TFmode and TCmode for E500 double.
17056 (rs6000_init_libfuncs): Initialize extra libfuncs for soft double
17058 (print_operand): Handle TFmode and TImode for %y.
17059 (rs6000_generate_compare): Handle TFmode comparisons for E500
17061 (spe_func_has_64bit_regs_p): Check for TFmode for E500 double.
17062 (rs6000_function_value): Handle TFmode and TCmode for E500 double.
17063 (rs6000_libcall_value): Handle TFmode and TCmode for E500 double.
17064 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Check for
17065 TFmode for E500 double.
17066 * config/rs6000/rs6000.md (FP): Allow TF for E500 double.
17067 (floatsidf2): Enable for E500 double.
17068 (movtf_softfloat): Use rs6000_nonimmediate_operand.
17069 (extenddftf2): Change to extenddftf2_fprs.
17070 (extenddftf2): Call gen_spe_extenddftf2 or gen_extenddftf2_fprs
17071 depending on TARGET_E500_DOUBLE.
17072 (extendsftf2): Enable for E500 double.
17073 (trunctfdf2): Enable for E500 double.
17074 (trunctfsf2): Change to trunctfsf2_fprs.
17075 (trunctfsf2): Call gen_spe_trunctfsf2 or gen_trunctfsf2_fprs
17076 depending on TARGET_E500_DOUBLE.
17077 (floatsitf2): Enable for E500 double.
17078 (fix_trunctfsi2): Change to fix_trunctfsi2_fprs.
17079 (fix_trunctfsi2): Call gen_spe_fix_trunctfsi2 or
17080 gen_fix_trunctfsi2_fprs depending on TARGET_E500_DOUBLE.
17081 (negtf2): Change to negtf2_internal.
17082 (negtf2): New expander.
17083 (abstf2): Enable for E500 double. Call gen_spe_abstf2_tst,
17084 gen_spe_abstf2_cmp or gen_abstf2_internal depending on
17085 TARGET_E500_DOUBLE and flag_unsafe_math_optimizations.
17086 (movdi_internal32): Use rs6000_nonimmediate_operand.
17087 (unnamed splitter): Likewise.
17088 * config/rs6000/spe.md (CMPTFEQ_GPR, TSTTFEQ_GPR, CMPTFGT_GPR,
17089 TSTTFGT_GPR, CMPTFLT_GPR, TSTTFLT_GPR): New unspecs.
17090 (SPE64TF, DITI): New mode macros.
17091 (frob_df_di): Change to frob_<SPE64:mode>_<DITI:mode>; allow more
17094 (frob_<mode>_di_2): New.
17095 (frob_tf_di_8_2): New.
17096 (frob_di_df): Change to frob_di_<mode>; allow more modes.
17098 (frob_di_df_2): Change to frob_<DITI:mode>_<SPE64:mode>_2; allow
17100 (frob_ti_<mode>_8_2): New.
17101 (frob_ti_tf_2): New.
17102 (mov_si<mode>_e500_subreg0, mov_si<mode>_e500_subreg0_2,
17103 mov_si<mode>_e500_subreg4, mov_si<mode>_e500_subreg4_2): Allow
17105 (mov_sitf_e500_subreg8, mov_sitf_e500_subreg8_2,
17106 mov_sitf_e500_subreg12, mov_sitf_e500_subreg12_2): New.
17107 (spe_trunctfdf2_internal1, spe_trunctfsf2, spe_extenddftf2,
17108 spe_fix_trunctfsi2, spe_fix_trunctfsi2_internal,
17109 spe_negtf2_internal, spe_abstf2_cmp, spe_abstf2_tst): New.
17110 (cmptfeq_gpr, tsttfeq_gpr, cmptfgt_gpr, tsttfgt_gpr, cmptflt_gpr,
17113 2007-01-23 Ian Lance Taylor <iant@google.com>
17115 * Makefile.in (OBJS-common): Reformat, alphabetize, but put
17117 (OBJS-archive): Reformat, alphabetize.
17118 (OBJS): Change out_object_file to OBJS-md.
17120 2007-01-23 Uros Bizjak <ubizjak@gmail.com>
17122 * config/i386/i386.md: Use REG_P, MEM_P, CONST_INT_P, LABEL_P,
17123 JUMP_P and CALL_P predicates where applicable.
17124 * config/i386/i386.c: Ditto.
17125 * config/i386/i386.md: Ditto.
17126 * config/i386/mmx.md: Ditto.
17127 * config/i386/predicates.md: Ditto.
17129 2007-01-22 Andreas Schwab <schwab@suse.de>
17131 * config/m68k/m68k.h: Fix comment.
17133 2007-01-22 Jan Hubicka <jh@suse.cz>
17135 * passes.c (init_optimization_passes): Do not rerun
17136 pass_early_warn_uninitialized.
17138 2007-01-22 Richard Guenther <rguenther@suse.de>
17140 PR tree-optimization/30038
17141 * tree-ssa-math-opts.c (maybe_record_sincos): New static helper
17143 (execute_cse_sincos_1): Likewise.
17144 (execute_cse_sincos): Likewise.
17145 (gate_cse_sincos): Likewise.
17146 (pass_cse_sincos): New pass CSEing sin() and cos() calls using
17147 the cexpi() canonicalization of sincos().
17148 * tree-pass.h (pass_cse_sincos): Declare.
17149 * passes.c (init_optimization_passes): New pass pas_cse_sincos.
17151 2007-01-21 Eric Botcazou <ebotcazou@libertysurf.fr>
17153 PR rtl-optimization/29329
17154 * combine.c (replaced_rhs_insn): Rename to i2mod.
17155 (replaced_rhs_value): Rename to i2mod_new_rhs.
17156 (i2mod_old_rhs): New global variable.
17157 (combine_instructions): Adjust for above change. Save a copy of
17158 the old RHS into i2mod_old_rhs when the contents of a REG_EQUAL
17159 note are substituted in the second instruction.
17160 (distribute_notes) <REG_DEAD>: Adjust for above change. Do not
17161 ditch the note if it pertains to the second eliminated register
17162 and this register is mentioned in i2mod_old_rhs.
17165 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
17167 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
17168 the insn to which the note was originally attached.
17170 2007-01-21 Jan Hubicka <jh@suse.cz>
17172 * ipa-inline.c (inlining_mode): Comment, move up.
17173 (cgraph_decide_inlining_incrementally): Do not perform inlining
17174 itself; fix handling of flattening of self recursive functions.
17175 (cgraph_find_cycles): Remove.
17176 (cgraph_flatten_node): Remove.
17177 (cgraph_decide_inlining): Use incremental inliner to handle flattening.
17178 (try_inline): New function.
17179 (cgraph_early_inlining): Update call of
17180 cgraph_decide_inlining_incrementally. Apply inlining here.
17181 (apply_inline): Update call of cgraph_decide_inlining_incrementally.
17183 2007-01-21 Dirk Mueller <dmueller@suse.de>
17186 * tree-vrp.c (check_array_bounds): do not warn
17187 about ADDR_EXPR's of ARRAY_REF's which are immediately
17188 used in binary expressions.
17190 2007-01-21 Ira Rosen <irar@il.ibm.com>
17192 * tree-vectorizer.h (struct _stmt_vec_info): Add new field
17193 read_write_dep and macros for its access.
17194 * tree-vectorizer.c (new_stmt_vec_info): Initialize the new field.
17195 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Remove
17196 argument, call vect_check_interleaving for every independent pair of
17197 data-refs. Mark loads that access the same memory location as a store
17199 (vect_check_dependences): Remove.
17200 (vect_analyze_data_ref_dependences): Remove vect_check_dependences
17201 call, fix the call to vect_analyze_data_ref_dependence.
17202 (vect_analyze_data_ref_access): For statements that access the same
17203 data-ref, check that they are not stores; for loads, check that there
17204 is no store that access the same location.
17206 2007-01-20 Roger Sayle <roger@eyesopen.com>
17207 Joseph Myers <joseph@codesourcery.com>
17209 * doc/invoke.texi (-fdump-rtl-combine): Fix under/overfull hbox.
17210 (-fdump-rtl-stack): Likewise.
17211 (-fno-signed-zeros): Use @minus{} for a minus sign. Correct typo.
17212 (-mcheck-zero-division, -mcpu): Fix under/overfull hbox.
17213 (-mpt-fixed): Use @minus{} for minus sign.
17214 (Using Precompiled Headers): Fix under/overfull hbox.
17216 2007-01-20 Jan Hubicka <jh@suse.cz>
17218 * tree-flow.h (struct stmt_ann_d): Move references_memory to proper
17219 place within annotation.
17221 2007-01-20 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
17223 * pa.c (output_move_double): Change array size of xoperands to 4.
17225 2007-01-20 Jan Hubicka <jh@suse.cz>
17227 * tree-tailcall.c (adjust_return_value): Do not use RESULT_DECL
17230 2007-01-19 Ian Lance Taylor <iant@google.com>
17232 * expmed.c (expand_divmod) [TRUNC_MOD_EXPR, TRUNC_DIV_EXPR]: Cast
17233 constant to unsigned HOST_WIDE_INT before negating.
17235 2007-01-19 Ian Lance Taylor <iant@google.com>
17237 * tree-ssa-operands.h (struct vuse_vec_d): Change num_vuse field
17239 (VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Use unsigned comparison.
17240 (VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
17241 (SET_VUSE_VECT_ELEMENT) [ENABLE_CHECKING]: Likewise.
17242 (SET_VUSE_ELEMENT_VAR) [ENABLE_CHECKING]: Likewise.
17243 (SET_VUSE_ELEMENT_PTR) [ENABLE_CHECKING]: Likewise.
17244 (realloc_vdef, realloc_vuse): Change second parameter to
17246 (ssa_operand_iterator_d): Change vuse_index and mayuse_index
17247 fields to unsigned.
17248 * tree-ssa-operands.c (realloc_vop): Change num_elem parameter to
17249 unsigned. Change x and lim locals to unsigned.
17250 (realloc_vdef, realloc_vuse): Change num_elem parameter to
17252 (finalize_ssa_vuse_ops): Change old_i local to unsigned.
17253 (copy_virtual_operands): Change i and n locals to unsigned.
17255 2007-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17257 PR middle-end/29335
17258 * builtins.c (fold_builtin_1): Handle builtin fdim.
17260 2007-01-20 Jan Hubicka <jh@suse.cz>
17262 * tree-ssa.c (init_tree_ssa): Do not call init_alias_heapvars.
17263 * tree-ssa-structalias.c (compute_points_to_sets): Do call
17264 init_alias_heapvars.
17265 (init_alias_heapvars): Initialize only when not already initialized.
17266 (delete_alias_heapvars): Set heapvar_for_stmt to NULL.
17268 2007-01-19 Roger Sayle <roger@eyesopen.com>
17270 * common.opt (fsigned-zeros): New command line option.
17271 * flags.h (HONOR_SIGNED_ZEROS): Control via flag_signed_zeros instead
17272 of flag_unsafe_math_optimizations.
17273 * opts.c (set_fast_math_flags): The -ffast-math command line option
17274 implies -fno-signed-zeros.
17275 (fast_math_flags_set_p): Likewise.
17277 * doc/invoke.texi: Document new -fno-signed-zeros option, and update
17278 the documentation of -ffast-math appropriately. Wrap long lines.
17280 2007-01-19 Steve Ellcey <sje@cup.hp.com>
17282 * system.h (ASM_MAKE_LABEL_LINKONCE): Poison.
17283 * varasm.c (globalize_decl): Remove ASM_MAKE_LABEL_LINKONCE ifdef.
17285 2007-01-19 Tomas Bily <tbily@suse.cz>
17287 * cgraphunit.c (cgraph_finalize_function): Updating of pid
17289 (tree_init_ic_make_global_vars): New function
17290 (tree_init_edge_profiler): call of tree_init_ic_make_global_vars
17291 (tree_gen_ic_profiler): New function
17292 (tree_gen_ic_func_profiler): New function
17293 (tree_profiling): Added calling of tree_gen_ic_func_profiler
17294 (tree_profile_hooks): Added hook for indirec/virtual calls
17295 * value-prof.c (tree_find_values_to_profile): New case for
17297 (tree_values_to_profile): Call for determining indirect/virtual
17299 (tree_indirect_call_to_profile): New function
17300 (tree_ic_transform): New function
17301 (tree_ic): New function
17302 (find_func_by_pid): New function
17303 (init_pid_map): New function
17304 (tree_value_profile_transformations): Added check for
17305 indirect/virtual call transformation
17306 * value-prof.h (enum hist_type): New counter type for
17307 indirect/virtual calls
17308 (profile_hooks): Added new hook for profiling indirect/virtual
17310 * profile.c (instrument_values): New case for indirect/virtual
17312 * gcov-io.h (GCOV_LAST_VALUE_COUNTER): Changed to 6
17313 (GCOV_COUNTER_V_INDIR): New counter type
17314 (GCOV_COUNTER_NAMES): New name of counter "indirect" added
17315 (GCOV_MERGE_FUNCTIONS): New merge function for indirect/virtual
17317 * cgraph.c: Definition of cgraph_max_pid
17318 (cgraph_create_node): Default init of pid attribute
17319 * cgraph.h: Declaration of cgraph_max_pid
17320 (struct cgraph_node): Added pid attribute
17321 * libgcov.c (__gcov_indirect_call_profiler): New function
17322 (__gcov_one_value_profiler_body): New function
17323 (__gcov_one_value_profiler): Body was moved to
17324 __gcov_one_value_profiler_body and calls it
17326 2007-01-19 Basile Starynkevitch <basile@starynkevitch.net>
17328 * doc/gty.texi (Options): Document the mark_hook option to GTY.
17329 * gengtype.c (write_types_data, write_func_for_structure,
17330 write_types, ggc_wtd, pch_wtd): Add skip_hooks to
17331 write_types_data, ggc_wtd, pch_wtd for processing mark_hook.
17332 (walk_type, write_func_for_structure): Generate the mark_hook if
17335 2007-01-19 Jan Hubicka <jh@suse.cz>
17337 * ipa-inline.c (cgraph_decide_inlining_incrementally): Instead of
17338 'early' argument take inlining mode argument specifying whether to
17339 inline for size/speeed or all functions; add support for flattening;
17341 (cgraph_early_inlining): Update call of decide_inlining_incrementally.
17343 2007-01-19 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
17346 * toplev.c (warn_deprecated_use): Use %qD instead of %qs to print
17347 the name of the declared identifier.
17349 2007-01-19 Dirk Mueller <dmueller@suse.de>
17351 * config/i386.h (CONDITIONAL_REGISTER_USAGE): Store
17352 result of PIC_OFFSET_TABLE_REGNUM in temporary variable to avoid
17353 duplicate evaluation.
17355 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
17357 * config/i386/i386.md (acos<mode>2): Rename from acossf2 and acosdf2.
17358 Macroize expander using X87MODEF12 mode macro. Extend operand 1
17359 to XFMode, use acosxf2 and truncate result to requested mode.
17360 Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
17361 (asin<mode>2): Similarly, with asin expanders.
17362 (*fscalexf4_i387): Rename from *fscalexf4.
17363 (expNcorexf3): New expander.
17364 (expxf2, exp10xf2, exp2xf2): Use expNcorexf3 expander.
17365 (exp<mode>2): Rename from expsf2 and expdf2. Macroize expander using
17366 X87MODEF12 mode macro. Extend operand 1 to XFMode, use expxf2 and
17367 truncate result to requested mode. Use SSE_FLOAT_MODE_P to disable
17368 patterns for SSE math.
17369 (exp10<mode>2): Similarly, with exp10 expanders.
17370 (exp2<mode>2): Similarly, with exp2 expanders.
17371 (expm1<mode>2): Similarly, with expm1 expanders.
17372 (ldexp<mode>3): Similarly, with ldexp expanders.
17373 (log<mode>2, log10<mode>2, log2<mode>2, log1p<mode>2, logb<mode>2):
17374 Use gen_truncxf<mode>2_i387_noop to truncate result.
17376 2007-01-19 Richard Sandiford <richard@codesourcery.com>
17378 * config/m68k/m68k.h (PREFERRED_STACK_BOUNDARY): Define to 32
17379 for ColdFire targets.
17381 2007-01-19 Nathan Sidwell <nathan@codesourcery.com>
17382 Richard Sandiford <richard@codesourcery.com>
17384 * config/m68k/m68k.h (M68K_STATIC_CHAIN_REG_NAME): New macro.
17385 (INITIALIZE_TRAMPOLINE): Use STATIC_CHAIN_REGNUM.
17386 (__transfer_from_trampoline): Use M68K_STATIC_CHAIN_REG_NAME.
17387 * config/m68k/m68kelf.h (STATIC_CHAIN_REGNUM): Override.
17388 (M68K_STATIC_CHAIN_REG_NAME): Likewise.
17389 * config/m68k/netbsd-elf.h (M68K_STATIC_CHAIN_REG_NAME): Likewise.
17391 2007-01-19 Richard Sandiford <richard@codesourcery.com>
17393 * config/m68k/m68k.md (adddi_dilshr32): Rename to...
17394 (*adddi_dilshr32): ...this. Fix formatting. Remove commented-out
17395 non-canonical pattern. Restrict to !TARGET_COLDFIRE.
17396 (*adddi_dilshr32_cf): New pattern.
17397 (adddi3, subdi3): Remove first alternatives.
17399 2007-01-19 Richard Sandiford <richard@codesourcery.com>
17401 * config/m68k/m68k.c (notice_update_cc): If an SFmode move is
17402 implemented using move.l, do not use its cc result for floating-point
17405 2007-01-19 Richard Sandiford <richard@codesourcery.com>
17407 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Stop the 'T' constraint
17408 from accepting 's' constraints if flag_pic.
17410 2007-01-19 Richard Sandiford <richard@codesourcery.com>
17412 * config/m68k/m68k.md (bordered, bunordered, buneq, bunge, bungt)
17413 (bunle, bunlt, bltgt, bordered_rev, bunordered_rev, buneq_rev)
17414 (bunge_rev, bungt_rev, bunle_rev, bunlt_rev, bltgt_rev): Change
17415 condition from TARGET_68881 to TARGET_HARD_FLOAT.
17417 2007-01-19 Sandra Loosemore <sandra@codesourcery.com>
17419 * longlong.h (count_leading_zeros, COUNT_LEADING_ZEROS_0): Add
17420 ColdFire alternatives.
17421 * config/m68k/m68k.h (CLZ_DEFINED_VALUE_AT_ZERO): New macro.
17422 * config/m68k/m68k.md (clzsi2): Define for ColdFire
17423 architectures that support ff1 instruction.
17425 2007-01-19 Richard Sandiford <richard@codesourcery.com>
17426 Julian Brown <julian@codesourcery.com>
17428 * config/m68k/m68k.h (CONST_OK_FOR_LETTER_P): Add an 'R' case.
17429 * config/m68k/m68k.md (*movsi_cfv4): Fold into...
17430 (*movsi_cf): ...here. Remove unnecessary 'R' from 'Rg'.
17433 2007-01-19 Richard Sandiford <richard@codesourcery.com>
17435 * config/m68k/m68k-protos.h (valid_mov3q_const): Take a HOST_WIDE_INT
17437 (output_move_const_into_data_reg, output_move_simode_const): Delete.
17438 * config/m68k/m68k.c (const_method, const_int_cost): Take a
17439 HOST_WIDE_INT instead of an rtx.
17440 (m68k_rtx_costs): Update call accordingly.
17441 (output_move_const_into_data_reg): Likewise. Fix formatting.
17442 (valid_mov3q_const): Take a HOST_WIDE_INT instead of an rtx.
17444 (output_move_simode_const): Update calls after above changes.
17445 Rework to use automatic variables and predicates like MEM_P.
17446 * config/m68k/m68k.md (pushexthisi_const): Update call to
17449 2007-01-19 Dirk Mueller <dmueller@suse.de>
17451 * tree-ssa-alias.c (perform_var_substitution): Fix typo
17452 in dump_flags test.
17454 2007-01-19 Richard Guenther <rguenther@suse.de>
17456 * builtins.c (expand_builtin_cexpi): Fall back to expanding
17457 via cexp in case sincos is not available.
17459 2007-01-19 Richard Guenther <rguenther@suse.de>
17461 * doc/tm.texi (TARGET_HAS_SINCOS): Document new target macro.
17462 * defaults.h (TARGET_HAS_SINCOS): Default to off.
17463 * config/linux.h (TARGET_HAS_SINCOS): Set to on if we have glibc.
17464 * config/alpha/linux.h (TARGET_HAS_SINCOS): Likewise.
17465 * config/sparc/linux.h (TARGET_HAS_SINCOS): Likewise.
17466 * config/sparc/linux64.h (TARGET_HAS_SINCOS): Likewise.
17467 * config/rs6000/linux.h (TARGET_HAS_SINCOS): Likewise.
17468 * config/rs6000/linux64.h (TARGET_HAS_SINCOS): Likewise.
17470 2007-01-19 Uros Bizjak <ubizjak@gmail.com>
17472 * config/i386/i386.md (*fpatanxf3_i387, fpatan_extend<mode>xf3_i387):
17474 (atan2sf3_1, atan2df3_1, atan2xf3_1): Remove insn patterns.
17475 (atan2xf3): Directly generate RTL pattern.
17476 (atan2<mode>3): Rename from atan2sf3 and atan2df3 and macroize insn
17477 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
17478 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
17479 disable patterns for SSE math.
17480 (atan<mode>2): Rename from atansf2 and atandf2 and macroize insn
17481 patterns using X87MODEF12 mode macro. Use fpatan_extend<mode>xf3_i387
17482 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
17483 disable patterns for SSE math.
17485 2007-01-19 Alexandre Oliva <aoliva@redhat.com>
17487 * libgcc-std.ver: Fix typo in %inherit for GCC_4.3.0.
17489 2007-01-18 Roger Sayle <roger@eyesopen.com>
17491 * fold-const.c (fold_unary) <VIEW_CONVERT_EXPR>: Optimize away a
17492 VIEW_CONVERT_EXPR to the same type as it's operand.
17494 2007-01-18 David Edelsohn <edelsohn@gnu.org>
17496 * config/rs6000/darwin-ldouble.c: Only build _SOFT_FLOAT if
17497 configured for long double 128.
17499 2007-01-18 Mike Stump <mrs@apple.com>
17501 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Fix build
17504 2007-01-18 Michael Meissner <michael.meissner@amd.com>
17506 * i386.c (ix86_compute_frame_layout): Make fprintf's in #if 0 code
17509 2007-01-18 Jan Hubicka <jh@suse.cz>
17511 * tree-ssa-operands.c (vop_free_bucket_size): Never return value
17512 greater than NUM_VOP_FREE_BUCKETS.
17514 2007-01-18 Daniel Berlin <dberlin@dberlin.org>
17516 * tree-ssa-structalias.c: Update comments.
17517 (ptabitmap_obstack): Removed.
17518 (pta_obstack): New.
17519 (oldpta_obstack): Ditto.
17520 (stats): Add a few members.
17521 (struct variable_info): Remove node, complex, address_taken, and
17522 indirect_target members. Add oldsolution member.
17523 (new_var_info): Do not initialize removed members.
17524 (constraint_expr_type): Remove INCLUDES.
17525 (constraint_graph): Add size, implicit_preds, rep,
17526 indirect_cycles, eq_rep, label, direct_nodes, and complex members.
17527 (FIRST_REF_NODE): New macro.
17528 (LAST_REF_NODE): Ditto.
17529 (FIRST_ADDR_NODE): Ditto.
17530 (find): New function.
17532 (dump_constraint): Do not handle INCLUDES.
17533 (insert_into_complex): Do not insert duplicate constraints.
17534 (condense_varmap_nodes): Renamed and rewritten into ...
17535 (merge_node_constraints): This. Also fix bug in handling of
17536 offseted copy constraints.
17537 (clear_edges_for_node): No longer need to deal with preds at all,
17538 or removing associated preds/succs.
17539 (merge_graph_nodes): Deal with indirect_cycles.
17540 Don't deal with predecessors.
17541 (add_implicit_graph_edge): New function.
17542 (add_pred_graph_edge): Ditto.
17543 (add_graph_edge): Don't deal with predecessors.
17544 (build_constraint_graph): Removed.
17545 (build_pred_graph): New function.
17546 (build_succ_graph): Ditto.
17547 (struct scc_info): Removed in_component. Added roots, dfs, and
17548 node_mapping. Remove visited_index, unification_queue.
17549 (scc_visit): Deal with union-find we do now.
17550 Deal with cycles with REF nodes.
17551 (collapse_nodes): Renamed and rewritten to ...
17552 (unify_nodes): This.
17553 (process_unification_queue): Removed.
17554 (topo_visit): Cleanup
17555 (do_da_constraint): Use find.
17556 (do_sd_constraint): Ditto.
17557 (do_ds_constraint): Ditto.
17558 (do_complex_constraint): Ditto.
17559 (init_scc_info): Update for removed and added members.
17560 (find_and_collapse_graph_cycles): Renamed and rewritten into ...
17561 (find_indirect_cycles): This.
17562 (equivalence_class): New variable.
17563 (label_visit): New function.
17564 (perform_variable_substitution): Rewritten.
17565 (free_var_substitution_info): New function.
17566 (find_equivalent_node): Ditto.
17567 (move_complex_constraints): Ditto.
17568 (eliminate_indirect_cycles): Ditto.
17569 (solve_graph): Only propagate changed bits.
17570 Use indirect cycle elimination.
17572 (tree_id_t): Rename to tree_vi_t, delete id member, add vi member.
17573 (tree_id_eq): Renamed to ...
17574 (tree_vi_eq): This. Update for member change
17575 (insert_id_for_tree): Renamed and rewritten to ...
17576 (insert_vi_for_tree): This.
17577 (lookup_id_for_tree): Renamed and rewritten to ...
17578 (lookup_vi_for_tree): This.
17579 (get_id_for_tree): Renamed and rewritten to ...
17580 (get_vi_for_tree): Ditto.
17581 (get_constraint_exp_from_ssa_var): Update to use get_vi_for_tree.
17582 (process_constraint): Don't handle INCLUDES.
17583 Remove special ADDRESSOF case.
17584 (find_func_aliases): Rewrite to use vi functions instead of id
17586 (create_function_info_for): Ditto.
17587 (create_variable_info_for): Ditto.
17588 (intra_create_variable_infos): Ditto.
17589 (merge_smts_into): Ditto.
17590 (find_what_p_points_to): Ditto.
17591 (init_base_vars): Ditto.
17592 (init_alias_vars): Ditto.
17593 (remove_preds_and_fake_succs): New function.
17594 (dump_sa_points_to_info): Dump new stats.
17595 (dump_solution_for_var): Use find.
17596 (set_used_smts): Fix formatting.
17597 (compute_points_to_sets): Updated for new functions.
17598 (ipa_pta_execute): Ditto.
17600 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
17601 Richard Sandiford <richard@codesourcery.com>
17603 * doc/tm.texi (TARGET_FUNCTION_VALUE): Expand documentation of
17605 * calls.c (expand_call): If the return value is a PARALLEL,
17606 extract its first member.
17607 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Remove.
17608 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
17609 use FUNCTION_EXTRA_EPILOGUE.
17610 (m68k_function_value): Return a PARALLEL if the return value
17611 is of a pointer type.
17612 * config/m68k/netbsd-elf.h (current_function_returns_pointer)
17613 (FUNCTION_EXTRA_EPILOGUE): Remove.
17614 * config/m68k/m68k.md (D0_REG): New constant.
17616 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
17618 * config/m68k/m68k.c (m68k_output_function_epilogue): Don't
17619 output a NOP for empty epilogues.
17621 2007-01-18 Richard Sandiford <richard@codesourcery.com>
17623 * config/m68k/m68k.c (m68k_use_return_insn): Update comments
17624 before function. Extend register save check to include all
17625 registers, not just integer ones.
17627 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
17629 * config/m68k/m68k-protos.h (use_return_insn): Rename to...
17630 (m68k_use_return_insn): ...this.
17631 * config/m68k/m68k.h (USE_RETURN_INSN): Delete.
17632 * config/m68k/m68k.c (use_return_insn): Rename to...
17633 (m68k_use_return_insn): ...this.
17634 * config/m68k/m68k.md (return): Use m68k_use_return_insn instead
17635 of USE_RETURN_INSN.
17637 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
17639 * config/m68k/fpgnulib.c (__truncdfsf2): Implement round to
17640 nearest even, fix denormal rounding overflow.
17642 2007-01-18 Richard Sandiford <richard@codesourcery.com>
17644 * config/m68k/m68k.md (movsf_cf_hard): Use fsmove instead of
17645 f%$smove and f%$move.
17646 (movdf_cf_hard): Use fdmove for cases 0 and 3 and fmove for case 1.
17647 (extendsfdf2_cf): Use fdmove instead of f%&move.
17648 (truncdfsf2_cf): Use fsmove instead of f%$smove.
17649 (add<mode>3_cf, sub<mode>3_cf): Use <FP:prec> instead of <FP:round>.
17651 2007-01-18 Richard Sandiford <richard@codesourcery.com>
17653 * config/m68k/m68k.md (movdf_cf_hard): Use output_move_double for
17656 2007-01-18 Richard Sandiford <richard@codesourcery.com>
17658 * real.h (real_format): Add a canonical_nan_lsbs_set field.
17659 (coldfire_single_format): Declare.
17660 (coldfire_double_format): Likewise.
17661 * real.c (encode_ieee_single): Use canonical_nan_lsbs_set instead
17662 of qnan_msb_set to determine the lower bits of a canonical
17664 (encode_ieee_double): Likewise.
17665 (encode_ieee_quad): Likewise.
17666 (ieee_single_format): Initialize canonical_nan_lsbs_set.
17667 (mips_single_format): Likewise.
17668 (ieee_double_format): Likewise.
17669 (mips_double_format): Likewise.
17670 (ieee_extended_motorola_format): Likewise.
17671 (ieee_extended_intel_96_format): Likewise.
17672 (ieee_extended_intel_128_format): Likewise.
17673 (ieee_extended_intel_96_round_53_format): Likewise.
17674 (ibm_extended_format): Likewise.
17675 (mips_extended_format): Likewise.
17676 (ieee_quad_format): Likewise.
17677 (mips_quad_format): Likewise.
17678 (vax_f_format): Likewise.
17679 (vax_d_format): Likewise.
17680 (vax_g_format): Likewise.
17681 (i370_single_format): Likewise.
17682 (i370_double_format): Likewise.
17683 (decimal_single_format): Likewise.
17684 (decimal_double_format): Likewise.
17685 (decimal_quad_format): Likewise.
17686 (c4x_single_format): Likewise.
17687 (c4x_extended_format): Likewise.
17688 (real_internal_format): Likewise.
17689 (coldfire_single_format): New real_format.
17690 (coldfire_double_format): Likewise.
17691 * config/pdp11/pdp11.c (pdp11_f_format): Initialize
17692 canonical_nan_lsbs_set.
17693 (pdp11_d_format): Likewise.
17694 * config/m68k/m68k.c (override_options): Override REAL_FORMAT_MODE
17695 if TARGET_COLDFIRE_CPU.
17697 2007-01-18 Richard Sandiford <richard@codesourcery.com>
17699 * config/m68k/m68k-protos.h (m68k_output_pic_call): Delete.
17700 (output_call, m68k_legitimize_call_address): Declare.
17701 * config/m68k/m68k.h (EXTRA_CONSTRAINT): Remove unnecessary
17702 parenthesees. Add support for a 'W' constraint.
17703 (LEGITIMATE_PIC_OPERAND_P): Remove SYMBOL_REF_FLAG handling.
17704 (PRINT_OPERAND_PUNCT_VALID_P): Remove comment about 'o'.
17705 (m68k_symbolic_call, m68k_symbolic_jump): Declare.
17706 * config/m68k/m68k.c (m68k_symbolic_call, m68k_symbolic_jump): New
17708 (override_options): Initialize them. Do not set flag_no_function_cse
17709 for TARGET_ID_SHARED_LIBRARY.
17710 (m68k_output_pic_call): Delete.
17711 (m68k_legitimize_call_address): New function.
17712 (print_operand): Remove the %o prefix. Handle the %p prefix.
17713 (output_call): New function.
17714 (m68k_output_mi_thunk): Use m68k_symbolic_jump. Always load the
17715 target address from the GOT if symbolic jumps are not allowed.
17716 * config/m68k/m68k.md (call, general_operand): Do not set
17717 SYMBOL_REF_FLAG. Use m68k_legitimize_call_address instead.
17718 Merge separate flag_pic and !flag_pic define_insns into...
17719 (*call, *call_value): ...these new patterns. Match the address
17720 rather than the containing MEM and require it to be a call_operand.
17721 Use output_call to generate the asm template.
17722 * config/m68k/predicates.md (const_call_operand): New predicate.
17723 (call_operand): Likewise.
17725 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
17727 * config/m68k/m68k.h (REGISTER_MOVE_COST): Simplify definition.
17728 (STACK_GROWS_DOWNWARD): Define to 1.
17729 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P): Equivocate
17730 comments, emphasizing that these values are only defaults.
17731 * config/m68k/linux.h (LINK_SPEC): Fix formatting in #undef.
17732 * config/m68k/m68k.c (const_method): Remove trailing whitespace.
17734 2007-01-18 Richard Sandiford <richard@codesourcery.com>
17736 * config/m68k/m68k.md (cmpsi): Remove outdated flag_pic handling.
17738 2007-01-18 Kazu Hirata <kazu@codesourcery.com>
17739 Richard Sandiford <richard@codesourcery.com>
17741 * config/m68k/m68k.h (DATA_REGNO_P, ADDRESS_REGNO_P, INT_REGNO_P)
17742 (FP_REGNO_P): New macros.
17743 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REGNO_OK_FOR_DATA_P)
17744 (REGNO_OK_FOR_FP_P, REG_OK_FOR_INDEX_P, REG_OK_FOR_BASE_P): Use them.
17745 (EH_RETURN_STACKADJ_RTX): Use A0_REG.
17746 * config/m68k/m68k.c (m68k_regno_mode_ok): Use the new REGNO macros.
17748 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
17750 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
17751 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-rtems*): Add t-floatlib
17753 * config/m68k/t-floatlib: New file, extracting common code from...
17754 * config/m68k/t-m68kbare, config/m68k/t-m68kelf,
17755 * config/m68k/t-uclinux: Here.
17756 * config/m68k/fpgnulib.c: Do not compile extendeed precision
17757 routines on ColdFire targets.
17759 2007-01-18 Nathan Sidwell <nathan@codesourcery.com>
17761 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
17762 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*)
17763 (m68k-*-uclinuxoldabi, m68k-*-uclinux*, m68k-*-linux*)
17764 (m68k-*-rtems*): Use tm_file rather than m68k/m68k.h and
17765 explicitly set MOTOROLA to 1.
17766 * config/m68k/m68k.h (MOTOROLA): Simplify definition accordingly.
17768 2007-01-18 Richard Sandiford <richard@codesourcery.com>
17769 Nathan Sidwell <nathan@codesourcery.com>
17771 * config/m68k/m68k.h (PCC_STATIC_STRUCT_RETURN): Delete.
17772 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Add MOTOROLA cases.
17773 * config/m68k/coff.h (REGISTER_PREFIX_MD): Delete.
17774 * config/m68k/m68020-elf.h (LIB_SPEC): Delete.
17775 * config/m68k/m68k-none.h (CC1_SPEC, CPP_SUBTARGET_SPEC): Delete.
17776 * config/m68k/m68kelf.h (IMMEDIATE_PREFIX, REGISTER_PREFIX_MD)
17777 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Delete.
17778 (NO_DOLLAR_IN_LABEL, PCC_STATIC_STRUCT_RETURN): Don't undefine.
17779 (BSS_ASM_OP, ASM_OUTPUT_SKIP, ASM_OUTPUT_ASCII): Delete.
17780 * config/m68k/m68kemb.h (PCC_STATIC_STRUCT_RETURN): Don't undefine.
17781 * config/m68k/linux.h (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE)
17782 (WCHAR_TYPE_SIZE, TARGET_OBJFMT_CPP_BUILTINS): Delete.
17783 (TARGET_OS_CPP_BUILTINS): Don't define mc68000 and mc68020 here.
17784 (DBX_REGISTER_NUMBER): Delete.
17785 * config/m68k/netbsd-elf.h (IMMEDIATE_PREFIX): Delete.
17786 (PCC_STATIC_STRUCT_RETURN): Don't undefine.
17787 * config/m68k/openbsd.h (PCC_STATIC_STRUCT_RETURN): Define.
17789 2007-01-18 Richard Sandiford <richard@codesourcery.com>
17791 * config.gcc (m68k-*-uclinux*): Add flat.h to $tm_file.
17792 * config/flat.h: New file.
17793 * crtstuff.c (USE_PT_GNU_EH_FRAME): Don't define if
17794 OBJECT_FORMAT_FLAT.
17795 * config/m68k/m68k.h (ASM_PREFERRED_EH_DATA_FORMAT): Do not use
17796 indirect references for -msep-data or -mid-shared-library.
17797 Do not use PC-relative code addresses either.
17798 * config/m68k/m68k.c (override_options): Restrict -fPIC error
17800 * config/m68k/uclinux.h (STARTFILE_SPEC): Define. Use Scrt1.o
17801 for shared libraries and crt1.o for executables. Use crti.o and
17803 (ENDFILE_SPEC): Use crtend.o and crtn.o.
17804 (LIB_SPEC): Suppress -Rlibc.gdb if -static-libc is given.
17805 Do not add -elf2flt or -shared-lib-id options here.
17806 (LINK_SPEC): Define. Pass -elf2flt if no -elf2flt option is given.
17807 Pass -shared-lib-id if -mid-shared-library, taking the library
17808 identifier from -mshared-library-id if given, otherwise
17810 (EH_FRAME_IN_DATA_SECTION): Do not undefine.
17811 (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP): Likewise.
17812 (TARGET_OS_CPP_BUILTINS): Define __GXX_MERGED_TYPEINFO_NAMES=0
17813 and __GXX_TYPEINFO_EQUALITY_INLINE=0 if -mid-shared-library.
17814 (DRIVER_SELF_SPECS): Map unadorned PIC options to -msep-data.
17815 * config/m68k/t-uclinux (EXTRA_MULTILIB_PARTS): Add crtbegin.o
17817 * config/m68k/lb1sf68.asm (PICCALL): Use an lea and pc-relative
17818 jump sequence for ISA A and ISA A+.
17819 (PICJUMP): Likewise.
17821 2007-01-18 Richard Sandiford <richard@codesourcery.com>
17823 * config.gcc (m68k-*-uclinux*): Base the port on the common
17824 and m68k GNU/Linux files rather than on the generic ELF ones.
17825 * config/m68k/uclinux.h (TARGET_VERSION): Override.
17826 (TARGET_OS_CPP_BUILTINS): Use LINUX_TARGET_OS_CPP_BUILTINS.
17828 2007-01-18 Julian Brown <julian@codesourcery.com>
17829 Richard Sandiford <richard@codesourcery.com>
17831 * config/m68k/m68k.h (LONG_DOUBLE_TYPE_SIZE): Make 64-bit on ColdFire.
17832 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
17833 * config/m68k/netbsd-elf.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Undefine
17835 * config/m68k/uclinux-oldabi.h (LONG_DOUBLE_TYPE_SIZE): Redefine to
17836 80 unconditionally.
17837 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Likewise.
17839 2007-01-18 Richard Sandiford <richard@codesourcery.com>
17841 * doc/install.texi: Document m68k-uclinuxoldabi.
17842 * config.gcc (m68k-*-uclinuxoldabi): New configuration.
17843 * config/m68k/uclinux-oldabi.h: New file, copied from
17844 config/m68k/uclinux.h.
17846 2007-01-18 Kaz Kojima <kkojima@rr.iij4u.or.jp>
17848 * config/m32r/m32r-protos.h (m32r_expand_epilogue): Declare it.
17849 * config/m32r/m32r.c (m32r_setup_incoming_varargs): Use gen_frame_mem.
17850 (m32r_compute_frame_size): Use unsigned for regno.
17851 (m32r_reload_lr): Use gen_frame_mem.
17853 (m32r_output_function_epilogue): Don't output the function epilogue
17855 (m32r_expand_epilogue): New.
17856 (direct_return): Return false if the function has the interrupt
17858 (m32r_hard_regno_rename_ok): Remove code for the textual epilogue.
17859 * config/m32r/m32r.md (epilogue): New expander.
17860 (return_lr, return_rte): New insns.
17861 (return): Make it expander.
17862 (return_normal): New expander.
17864 2007-01-18 Josh Conner <jconner@apple.com>
17867 * config/rs6000/rs6000.c (rs6000_emit_vector_compare): Add
17868 support for UNLE, UNLT, UNGE, and UNGT.
17870 2007-01-18 Jan Hubicka <jh@suse.cz>
17872 * tree-vrp.c (finalize_jump_threads): Do not call cleanup_cfg by hand.
17873 * tree-tailcall (add_virtual_phis): Likewise.
17874 (optimize_tail_call): Return TODOs.
17875 (execute_tail_calls): Return TODOs.
17876 * tree-ssa-ccp (execute_fold_all_builtins): Do cleanup_cfg via TODO.
17877 * tree-cfgcleanup.c (cleanup_tree_cfg_loop): Return if something
17879 * tree-ssa-forwprop.c (tree_ssa_forward_propagate_single_use_value):
17880 Cleanup cfg using TODO.
17881 * tree-flow.h (cleanup_tree_cfg_loop): Update prototype.
17882 * passes.c (execute_function_todo): When cleanup did something, remove
17884 * tree-cfg.c (pass_build_cfg): Add cleanup_cfg TODO.
17885 (make_edges): Don't cleanup_cfg.
17887 2007-01-18 Uros Bizjak <ubizjak@gmail.com>
17889 * reg-stack.c (subst_stack_regs_pat) [UNSPEC_SINCOS_COS,
17890 UNSPEC_XTRACT_FRACT]: Use generic code for instructions that
17891 operate on the top of stack.
17892 [UNSPEC_SINCOS_SIN, UNSPEC_XTRACT_EXP, UNSPEC_TAN]: Rewrite
17893 register handling of instructions that output to the second
17895 [UNSPEC_TAN_ONE, UNSPEC_TAN_TAN]: Remove.
17896 (move_for_stack_reg): Special-case check for dead destination
17897 stack slot for constant load of 1.0 inside UNSPEC_TAN.
17899 * config/i386/i386.md (UNSPEC_TAN): New constant.
17900 (UNSPEC_TAN_ONE, UNSPEC_TAN_TAN): Remove.
17901 (fptanxf4_i387, fptan_extend<mode>xf4_i387): New patterns
17902 to correctly model move of constant 1.0 to top stack slot.
17903 (*tandf3_1, *tansf3_1, *tanxf3_1): Remove insn patterns.
17904 (unnamed peephole2 pattern): Remove corresponding peephole2
17905 pattern that optimizes tan insn and loading of constant 1.0.
17906 (tanxf2): Use fptanxf4_i387.
17907 (tan<mode>2): Rename from tansf2 and tandf2 and macroize insn
17908 patterns using X87MODEF12 mode macro. Use fptan_extend<mode>xf4_i387
17909 and truncate result to requested mode. Use SSE_FLOAT_MODE_P to
17910 disable patterns for SSE math.
17911 (sincos<mode>3): Use truncxf<mode>2_i387_noop for truncation.
17912 (fyl2x_extend<mode>xf3_i387): Use X87MODEF12 for operand 1.
17914 2007-01-18 Dirk Mueller <dmueller@suse.de>
17915 Richard Guenther <rguenther@suse.de>
17918 * doc/invoke.texi (Warray-bounds): Document -Warray-bounds.
17919 * common.opt (Warray-bounds): Add new warning option.
17920 * c-opts.c (c_common_handle_option): Define -Warray-bounds
17922 * Makefile.in: make tree-vrp.o depend on toplev.h
17923 * tree-vrp.c (vrp_finalize): Call check_array_refs if -Warray-bounds
17925 (check_array_refs, check_array_bounds, check_array_ref): New.
17927 2007-01-18 Jan Hubicka <jh@suse.cz>
17929 * tree-ssa-ccp.c (ccp_finalize): Return if something changed.
17930 (execute_ssa_ccp): Return flags conditionally.
17931 * tree-ssa-propagate.c (substitue_and_fold): Return if something was
17933 * tree-ssa-propagate.h (substitute_and_fold): Update prototype.
17935 2007-01-18 Steven Bosscher <steven@gcc.gnu.org>
17937 * cfgcleanup.c (cleanup_cfg): Detect cfglayout mode and set
17938 the CLEANUP_CFGLAYOUT flag when in cfglayout mode.
17940 * Makefile.c (GTFILES): Add cfglayout.h.
17941 * gengtype.c (open_base_files): Likewise.
17942 * cfglayout.c (cfg_layout_function_footer,
17943 cfg_layout_function_header) Reindent to make gengtype happy.
17944 * cfglayout.h (cfg_layout_function_footer,
17945 cfg_layout_function_header): Add GTY(()) marker.
17947 * ifcvt.c (noce_try_sign_mask): Make sure INSN_B is non-null.
17949 2007-01-18 Ben Elliston <bje@au.ibm.com>
17951 * genautomata.c (write_automata): Include xstrerror output in the
17952 error message if writing the DFA description file fails.
17954 2007-01-17 H.J. Lu <hongjiu.lu@intel.com>
17956 * config/mips/mips-protos.h (mips_output_external): Make it
17958 * config/mips/iris.h (TARGET_ASM_EXTERNAL_LIBCALL): Removed.
17959 * config/mips/mips.c (irix_output_external_libcall): Likewise.
17960 (extern_list): Likewise.
17961 (extern_head): Likewise.
17962 (TARGET_ASM_FILE_END): Likewise.
17963 (mips_file_end): Likewise.
17964 (mips_output_external): Rewritten.
17966 2007-01-18 Ben Elliston <bje@au.ibm.com>
17968 * genpreds.c (write_insn_preds_c): Only write out the function
17969 body for regclass_for_constraint if we have register constraints.
17971 2007-01-17 Tom Tromey <tromey@redhat.com>
17973 * doc/sourcebuild.texi (libgcj Tests): Use sourceware.org.
17974 * doc/install.texi (Testing): Use sourceware.org.
17975 (Binaries): Likewise.
17976 (Specific): Likewise.
17977 * doc/contrib.texi (Contributors): Use sourceware.org.
17979 2007-01-17 Anatoly Sokolov <aesok@post.ru>
17981 * config/avr/avr.h (AVR_HAVE_LPMX): New macro.
17982 (AVR_ENHANCED): Rename to ...
17983 (AVR_HAVE_MUL): ... new.
17984 (avr_enhanced_p): Rename to ...
17985 (avr_have_mul_p): ... new.
17986 (TARGET_CPU_CPP_BUILTINS): Use 'avr_have_mul_p' instead of
17987 'avr_enhanced_p' for "__AVR_ENHANCED__". Define "__AVR_HAVE_MUL__".
17988 * config/avr/avr.c (avr_enhanced_p): Rename to ...
17989 (avr_have_mul_p): ... new.
17990 (base_arch_s): Rename 'enhanced' to 'have_mul'.
17991 (avr_override_options): Use 'avr_have_mul_p' and 'have_mul' instead of
17992 'avr_enhanced_p' and 'enhanced'.
17993 (ashlhi3_out, ashrhi3_out, lshrhi3_out, avr_rtx_costs): Use
17994 AVR_HAVE_MUL instead of AVR_ENHANCED.
17995 * avr.md (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
17996 (mulqi3, *mulqi3_enh, *mulqi3_call, mulqihi3, umulqihi3, mulhi3,
17997 *mulhi3_enh, *mulhi3_call, mulsi3, *mulsi3_call): Use AVR_HAVE_MUL
17998 instead of AVR_ENHANCED.
17999 (*tablejump_enh): Use AVR_HAVE_LPMX instead of AVR_ENHANCED.
18000 * libgcc.S: Use __AVR_HAVE_MUL__ instead of __AVR_ENHANCED__.
18001 (__tablejump__): Use __AVR_HAVE_LPMX__ instead of __AVR_ENHANCED__.
18003 2007-01-17 Ian Lance Taylor <iant@google.com>
18005 * vec.h (VEC_reserve_exact): Define.
18006 (vec_gc_p_reserve_exact): Declare.
18007 (vec_gc_o_reserve_exact): Declare.
18008 (vec_heap_p_reserve_exact): Declare.
18009 (vec_heap_o_reserve_exact): Declare.
18010 (VEC_OP (T,A,reserve_exact)): New static inline function, three
18012 (VEC_OP (T,A,reserve)) [all versions]: Remove handling of
18013 negative parameter.
18014 (VEC_OP (T,A,alloc)) [all versions]: Call ...reserve_exact.
18015 (VEC_OP (T,A,copy)) [all versions]: Likewise.
18016 (VEC_OP (T,a,safe_grow)) [all versions]: Likewise.
18017 * vec.c (calculate_allocation): Add exact parameter. Change all
18019 (vec_gc_o_reserve_1): New static function, from vec_gc_o_reserve.
18020 (vec_gc_p_reserve, vec_gc_o_reserve): Call vec_gc_o_reserve_1.
18021 (vec_gc_p_reserve_exact, vec_gc_o_reserve_exact): New functions.
18022 (vec_heap_o_reserve_1): New static function, from vec_heap_o_reserve.
18023 (vec_heap_p_reserve, vec_heap_o_reserve): Call vec_heap_o_reserve_1.
18024 (vec_heap_p_reserve_exact): New function.
18025 (vec_heap_o_reserve_exact): New function.
18027 2007-01-17 Jan Hubicka <jh@suse.cz>
18029 * ipa-type-escape.c (look_for_casts): Revamp using handled_component_p.
18031 2007-01-17 Eric Christopher <echristo@apple.com>
18033 * config.gcc: Support core2 processor.
18035 2007-01-16 Jan Hubicka <jh@suse.cz>
18037 * tree-ssanames.c (release_dead_ssa_names): Instead of ggc_freeing
18038 the names, just unlink the chain so we don't crash on dangling
18042 2007-01-16 Jan Hubicka <jh@suse.cz>
18044 * cgraph.h (cgraph_decide_inlining_incrementally): Kill.
18045 * tree-pass.h: Reorder to make IPA passes appear toegher.
18046 (pass_early_inline, pass_inline_parameters, pass_apply_inline):
18048 * cgraphunit.c (cgraph_finalize_function): Do not compute inling
18049 parameters, do not call early inliner.
18050 * ipa-inline.c: Update comments. Include tree-flow.h
18051 (cgraph_decide_inlining): Do not compute inlining parameters.
18052 (cgraph_decide_inlining_incrementally): Return TODOs; assume to
18053 be called with function context set up.
18054 (pass_ipa_inline): Remove unreachable functions before pass.
18055 (cgraph_early_inlining): Simplify assuming to be called from the
18057 (pass_early_inline): New pass.
18058 (cgraph_gate_ipa_early_inlining): New gate.
18059 (pass_ipa_early_inline): Turn into simple wrapper.
18060 (compute_inline_parameters): New function.
18061 (gate_inline_passes): New gate.
18062 (pass_inline_parameters): New pass.
18063 (apply_inline): Move here from tree-optimize.c
18064 (pass_apply_inline): New pass.
18065 * ipa.c (cgraph_remove_unreachable_nodes): Verify cgraph after
18067 * tree-inline.c (optimize_inline_calls): Return TODOs rather than
18068 doing them by hand.
18069 (tree_function_versioning): Do not allocate dummy struct function.
18070 * tree-inline.h (optimize_inline_calls): Update prototype.
18071 * tree-optimize.c (execute_fixup_cfg): Export.
18072 (pass_fixup_cfg): Remove
18073 (tree_rest_of_compilation): Do not apply inlines.
18074 * tree-flow.h (execute_fixup_cfg): Declare.
18075 * Makefile.in (gt-passes.c): New.
18076 * passes.c: Include gt-passes.h
18077 (init_optimization_passes): New passes.
18078 (nnodes, order): New static vars.
18079 (do_per_function_toporder): New function.
18080 (execute_one_pass): Dump current pass here.
18081 (execute_ipa_pass_list): Don't dump current pass here.
18083 2007-01-16 Janis Johnson <janis187@us.ibm.com>
18085 * config/dfp-bit.c (dfp_compare_op): Return separate value for NaN.
18086 (DFP_NE, DFP_LE, DFP_GE): Return false for NaN.
18088 2007-01-16 David Edelsohn <edelsohn@gnu.org>
18090 * config/rs6000/darwin-ldouble.c: Build file for SOFT_FLOAT.
18091 (strong_alias): Define.
18092 (__gcc_qmul): Provide non-FMA for soft-float.
18093 (__gcc_qdiv): Same.
18098 (__gcc_qunord): New.
18108 * config/rs6000/rs6000.c (rs6000_init_libfuncs): Initialize
18109 soft-float functions.
18110 * config/rs6000/libgcc-ppc-glibc.ver: Version soft-float symbols.
18111 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Do not warn
18112 about long double soft float.
18114 2007-01-16 Dorit Nuzman <dorit@il.ibm.com>
18115 Tehila Meyzels <tehila@il.ibm.com>
18117 * tree-vectorizer.h (is_pattern_stmt_p): New.
18118 * tree-vect-analyze.c (vect_determine_vectorization_factor): Fix
18119 formatting (tabs instead of spaces). Cleanup and clarify setting
18120 of STMT_VINFO_VECTYPE. Call is_pattern_stmt_p.
18121 * tree-vect-transform.c (vect_get_vec_def_for_operand): Fix typo.
18122 (vectorizable_type_demotion): Check that types are integral.
18123 (vectorizable_type_promotion): Likewise.
18124 (vectorizable_store): Fix typo. Eliminate new-line at end of
18127 2007-01-16 Jan Hubicka <jh@suse.cz>
18129 * tree-ssanames.c (release_dead_ssa_names): Remove invalidated
18132 2007-01-15 Eric Christopher <echristo@apple.com>
18134 * ifcvt.c: Include vec.h, vecprim.h.
18135 (check_cond_move_block): New argument regs.
18136 Reorganize. Add registers used to regs.
18137 (cond_move_process_if_block): Use regs set above as
18140 2007-01-15 Eric Christopher <echristo@apple.com>
18142 * config/darwin.h: Update copyright.
18143 (TARGET_OPTION_TRANSLATE_TABLE): Add umbrella.
18144 (LINK_COMMAND_SPEC): Add -u.
18145 (LINK_SPEC): Fix umbrella for above.
18147 2007-01-15 Joseph S. Myers <joseph@codesourcery.com>
18149 * config/soft-fp/op-common.h, config/soft-fp/op-4.h: Update from
18152 2007-01-15 Tom Tromey <tromey@redhat.com>
18154 * doc/sourcebuild.texi (libgcj Tests): Don't mention jacks.
18155 * doc/install.texi (Testing): Don't mention jacks.
18156 (Configuration): Document --enable-java-maintainer-mode. Move
18157 --with-java-home to libgcj-specific section. Document
18159 (Prerequisites): Mention --enable-java-maintainer-mode, ecj1.
18161 2007-01-15 Jan Hubicka <jh@suse.cz>
18163 * tree-ssa-dce.c (DCE_TODOs): New.
18164 (propagate_necessity): Return if something changed.
18165 (eliminate_unnecessary_stmts): Likewise.
18166 (perform_tree_ssa_dce): Return TODO flags when needed.
18167 (pass_dce, pass_dce_loop, pass_cd_dce): Remove TODO flags.
18169 2007-01-15 Uros Bizjak <ubizjak@gmail.com>
18171 * config/i386/i386.md (fyl2xxf3_i387): Rename from fyl2x_xf3.
18172 (fyl2x_extend<mode>xf3_i387): New insn pattern.
18173 (log<mode>2): Rename from logsf2 and logdf2 and macroize insn
18174 patterns using X87MODEF12 mode macro. Extend operand 1
18175 to XFmode. Use SSE_FLOAT_MODE_P to disable patterns for SSE math.
18176 (log10<mode>2): Ditto.
18177 (log2<mode>2): Ditto.
18178 (log1p<mode>2): Ditto.
18179 (logb<mode>2): Ditto.
18180 (fyl2xp1xf3_i387): Rename from fyl2xp1_xf3.
18181 (fyl2xp1_extend<mode>xf3_i387): New insn pattern.
18182 (*fxtractxf3_i387): Rename from *fxtractxf3.
18183 (fxtract_extend<mode>xf3_i387): New insn pattern.
18184 (ilogbsi2): Use match_dup 3, not match_operand:XF 3.
18185 * config/i386/i386.c (ix86_emit_i387_log1p): Use gen_fyl2xp1xf3_i387()
18186 and gen_fyl2xxf3_i387().
18188 2007-01-14 Zdenek Dvorak <dvorakz@suse.cz>
18190 * loop-unswitch.c (unswitch_loop): Do not call fix_loop_placement.
18191 * cfgloopmanip.c (fix_loop_placement): Made static. Use
18192 get_loop_exit_edges. Changed return type to bool.
18193 * cfgloop.h (fix_loop_placement): Declaration removed.
18195 2007-01-14 Dorit Nuzman <dorit@il.ibm.com>
18197 * param.h (MIN_VECT_LOOP_BOUND): New.
18198 * params.def (MIN_VECT_LOOP_BOUND): New.
18199 * tree-vectorizer.c (slpeel_tree_peel_loop_to_edge): Takes another
18200 argument - minimum threshold for number of iterations.
18201 * tree-vectorizer.h (slpeel_tree_peel_loop_to_edge): Add another
18202 argument to declaration.
18203 * tree-vect-analyze.c (vect_analyze_operations): Check value of
18204 MIN_VECT_LOOP_BOUND.
18205 * tree-vect-transform.c (vect_do_peeling_for_loop_bound): Call
18206 slpeel_tree_peel_loop_to_edge with additional argument.
18207 (vect_do_peeling_for_alignment): Likewise.
18208 * doc/invoke.texi (min-vect-loop-bound): Document new param option.
18210 2007-01-14 Uros Bizjak <ubizjak@gmail.com>
18213 * config/i386/i386.c (print_operand) ['z']: Output 'b' for
18214 operands of size 1.
18216 2007-01-14 Jan Hubicka <jh@suse.cz>
18218 * tree-dfa.c (remove_referenced_var): New function.
18219 * tree-ssa-live.c (remove_unused_locals): Walk referenced vars and
18220 prune referenced vars list too.
18221 * tree-flow.h (remove_referenced_var): Declare.
18223 2007-01-14 Jan Hubicka <jh@suse.cz>
18225 * tree-eh.c (add_stmt_to_eh_region_fn): Do not add call_exprs
18227 (remove_stmt_from_eh_region_fn): Do not remove call_exprs.
18228 (verify_eh_throw_stmt_node, verify_eh_throw_table_statements): Kill.
18229 * except.h (verify_eh_throw_table_statements): Kill prototype.
18230 * cfgexpand.c (expand_gimple_basic_block): Propagate Eh regions
18231 into call exrepssions.
18232 * tree-optimize.c (execute_free_cfg_annotatiosn): Do not call
18234 * tree-cfg.c: Include pointer-set.h.
18235 (verify_node_sharing): Work on pointer set.
18236 (verify_eh_throw_stmt_node): New.
18237 (verify_stmts): Use pointers sets, verify throw_stmt.
18239 2007-01-13 Zdenek Dvorak <dvorakz@suse.cz>
18241 * ipa-reference.c (analyze_function): Consider also addresses taken
18244 2007-01-12 Roger Sayle <roger@eyesopen.com>
18246 * c-typeck.c (null_pointer_constant_p): Replace use of
18247 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
18248 (build_c_cast): Likewise.
18250 2007-01-12 Roger Sayle <roger@eyesopen.com>
18252 * tree.h (force_fit_type_double): Remove unused final argument.
18253 * c-common.c (constant_expression_warning): Replace use of
18254 TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
18255 (convert_and_check): Likewise.
18256 (shorten_compare): Update call to force_fit_type_double.
18257 (c_common_truthvalue_conversion) <INTEGER_CST>: Use integer_zerop.
18258 * convert.c (convert_to_pointer): Update call to
18259 force_fit_type_double.
18260 * fold-const.c (force_fit_type_double): Remove overflowed_const
18262 (int_const_binop, fold_convert_const_int_from_int,
18263 fold_convert_const_int_from_real, fold_div_compare,
18264 fold_sign_changed_comparison, fold_unary, fold_negate_const,
18265 fold_abs_const, fold_not_const): Remove the final argument from
18266 calls to force_fit_type_double.
18268 2007-01-12 Andrew Pinski <andrew_pinski@playstation.sony.com>
18270 * configure.ac: Set insn to "nop" for spu-*-* also.
18271 * configure: Regenerate.
18273 2007-01-12 Olga Golovanevsky <olga@il.ibm.com>
18275 * builtins.def : Add BUILT_IN_FREE.
18277 2007-01-12 Jan Hubicka <jh@suse.cz>
18279 PR tree-optimization/30443
18280 * tree-inline.c (tree_function_versioning): Do not optimize when
18281 cloning for inlining.
18283 2007-01-12 Zdenek Dvorak <dvorakz@suse.cz>
18285 * doc/loop.texi: Document recording of loop exits.
18286 * cfgloopmanip.c (loopify, duplicate_loop): Use alloc_loop.
18287 (update_single_exits_after_duplication,
18288 update_single_exit_for_duplicated_loop,
18289 update_single_exit_for_duplicated_loops): Removed.
18290 (duplicate_loop_to_header_edge): Do not call
18291 update_single_exits_after_duplication and
18292 update_single_exit_for_duplicated_loops.
18293 (loop_version): Do not update single_exit information.
18294 (fix_loop_structure): Use record_loop_exits instead of
18295 mark_single_exit_loops.
18296 * tree-ssa-loop-manip.c (tree_transform_and_unroll_loop): Update
18297 the lists of loop exits.
18298 * cfghooks.c (redirect_edge_and_branch, redirect_edge_and_branch_force,
18299 split_edge, merge_blocks): Update the lists of loop exits.
18300 * modulo-sched.c (sms_schedule): Pass LOOPS_HAVE_RECORDED_EXITS to
18301 loop_optimizer_init.
18302 * loop-init.c (loop_optimizer_init): Call record_loop_exits instead
18303 of mark_single_exit_loops.
18304 (loop_optimizer_finalize): Call release_recorded_exits.
18305 * tree-ssa-loop.c (tree_loop_optimizer_init): Pass
18306 LOOPS_HAVE_RECORDED_EXITS to loop_optimizer_init.
18307 * tree-vectorizer.c (slpeel_tree_duplicate_loop_to_edge_cfg): Do not
18308 update single exit information.
18309 * lambda-code.c (perfect_nestify): Ditto.
18310 * cfgloop.c (flow_loop_free): Destroy the list of exits of the loop.
18311 (mark_single_exit_loops): Removed.
18312 (alloc_loop, loop_exit_hash, loop_exit_eq, loop_exit_free,
18313 get_exit_descriptions, rescan_loop_exit, record_loop_exits,
18314 dump_recorded_exit, dump_recorded_exits, release_recorded_exits): New
18316 (get_loop_exit_edges, single_exit): Use recorded exit lists.
18317 (add_bb_to_loop, remove_bb_from_loops): Update the lists of loop exits.
18318 (verify_loop_structure): Verify consistency of the exit lists.
18319 (flow_loops_find): Use alloc_loop. Initialize exits hash.
18320 (set_single_exit): Removed.
18321 * cfgloop.h (struct loop_exit): New function.
18322 (struct loop): single_exit_ field replaced by exits field.
18323 (LOOPS_HAVE_MARKED_SINGLE_EXITS): Replaced by
18324 LOOPS_HAVE_RECORDED_EXITS.
18325 (struct loops): Added exits hash.
18326 (mark_single_exit_loops, set_single_exit): Declaration removed.
18327 (release_recorded_exits, record_loop_exits, rescan_loop_exit): Declare.
18329 2007-01-12 Richard Sandiford <richard@codesourcery.com>
18331 * doc/invoke.texi: Avoid use of @headitem.
18333 2007-01-12 Richard Sandiford <richard@codesourcery.com>
18335 * cse.c (cse_insn): Move HAVE_CC0 code after declarations.
18337 2007-01-12 Richard Sandiford <richard@codesourcery.com>
18339 * doc/install.texi: Fix m68k-*-* anchor and add m68k-*-* to the
18342 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
18343 Richard Sandiford <richard@codesourcery.com>
18345 * doc/invoke.texi: Document -mno-bitfield, -mno-rtd and -mno-short.
18346 * config/m68k/m68k.opt: Resort options.
18347 (mbitfield, mrtd, mshort): Remove RejectNegative properties.
18349 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
18350 Richard Sandiford <richard@codesourcery.com>
18352 * doc/invoke.texi: Document the macros that are defined by
18353 m68k's -mtune and -mhard-float options.
18354 * config/m68k/m68k-protos.h (m68k_cpp_cpu_ident) Declare.
18355 (m68k_cpp_cpu_family): Likewise.
18356 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Add a full set
18357 of __ucfv*__ macros. Define __mcffpu__ if generating code for
18358 ColdFire FPUs. Define __mcf_cpu_* and __mcf_family_* macros.
18359 * config/m68k/m68k.c (m68k_cpp_cpu_ident): New function.
18360 (m68k_cpp_cpu_family): Likewise.
18362 2007-01-12 Richard Sandiford <richard@codesourcery.com>
18364 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Treat all mc68*
18365 macros besides mc68000 as tuning macros. Use a switch statement
18366 to set them and mcpu32.
18368 2007-01-12 Julian Brown <julian@codesourcery.com>
18370 * config/m68k/m68k.h: Use TARGET_68040 instead of TARGET_68040_ONLY.
18371 (TARGET_68040_ONLY): Rename to...
18372 (TARGET_68040): ...this.
18373 * config/m68k/m68k.c: Use TARGET_68040 instead of TARGET_68040_ONLY.
18374 * config/m68k/m68k.md: Likewise.
18376 2007-01-12 Julian Brown <julian@codesourcery.com>
18377 Nathan Sidwell <nathan@codesourcery.com>
18378 Richard Sandiford <richard@codesourcery.com>
18380 * config.gcc (m680[012]0-*-*, m68k*-*-*): Set m68k_cpu_ident to
18381 the -mcpu= argument associated with the --with-cpu setting.
18382 Define M68K_DEFAULT_TUNE to the default -mtune= option,
18383 if different from the one implied by the -mcpu setting.
18384 Accept --with-cpu=FOO if FOO is listed in m68k-devices.def,
18385 using mcpu=FOO as the default CPU option. Set target_cpu_default2.
18386 * doc/invoke.texi: Mention ColdFire in the introduction to the
18387 m68k options. Document the new -march, -mcpu, -mtune, -mdiv,
18388 -mno-div and -mhard-float options. Make -m68881 a synonym for
18389 -mhard-float. Document the previously-undocumented -m5206e,
18390 -m528x, -m5307 and -m5407 options. Tweak the existing option
18391 documentation for consistency.
18392 * doc/install.texi: Mention new --with-cpu arguments.
18393 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Only use the
18394 default CPU if neither -mcpu nor -march are specified.
18395 (ASM_CPU_SPEC): Pass down -mcpu and -march options.
18396 (TARGET_CPU_CPP_BUILTINS): Set __mcfisa*__ macros from
18397 TARGET_ISA*. Set the legacy __mcf*__ cpu macros in the same way,
18398 using m68k_tune to decide between families that implement the
18399 same ISA. Use m68k_tune to set __mcfv4e__.
18400 (FL_BITFIELD, FL_68881, FL_COLDFIRE, FL_CF_HWDIV, FL_CF_MAC)
18401 (FL_CF_EMAC, FL_CF_EMAC_B, FL_CF_USP, FL_CF_FPU, FL_ISA_68000)
18402 (FL_ISA_68010, FL_ISA_68020, FL_ISA_68040, FL_ISA_A, FL_ISA_B)
18403 (FL_ISA_C, FL_ISA_MMU): New macros.
18404 (MASK_COLDFIRE): Delete.
18405 (TARGET_68010, TARGET_68020, TARGET_68040_ONLY, TARGET_COLDFIRE)
18406 (TARGET_ISAB): Redefine in terms of m68k_cpu_flags.
18407 (TARGET_68881, TARGET_COLDFIRE_FPU): Redefine in terms of m68k_fpu.
18408 (TARGET_HARD_FLOAT): Do not define here.
18409 (TARGET_ISAAPLUS, TARGET_ISAC): New macros.
18410 (TUNE_68000): New macro.
18411 (TUNE_68000_10): Redefine in terms of TUNE_68000 and TUNE_68010.
18412 (TUNE_68010, TUNE_68030, TUNE_68040, TUNE_68060, TUNE_CPU32)
18413 (TUNE_CFV2): Redefine in terms of m68k_tune.
18414 (uarch_type, target_device, fpu_type): New enums.
18415 (m68k_cpu, m68k_tune, m68k_fpu, m68k_cpu_flags): Declare.
18416 * config/m68k/m68k.c (TARGET_DEFAULT): Remove MASK_68881.
18417 (FL_FOR_isa_00, FL_FOR_isa_10, FL_FOR_isa_20, FL_FOR_isa_40)
18418 (FL_FOR_isa_cpu32, FL_FOR_isa_a, FL_FOR_isa_aplus, FL_FOR_isa_b)
18419 (FL_FOR_isa_c): New macros.
18420 (m68k_isa): New enum.
18421 (m68k_target_selection): New structure.
18422 (all_devices, all_isas, all_microarchs): New tables.
18423 (m68k_cpu_entry, m68k_arch_entry, m68k_tune_entry, m68k_cpu)
18424 (m68k_tune, m68k_fpu, m68k_cpu_flags): New variables.
18425 (MASK_ALL_CPU_BITS): Delete.
18426 (m68k_find_selection): New function.
18427 (m68k_handle_option): Handle -mcpu=, -march= and -mtune=.
18428 Map the legacy target options to a combination of the new ones.
18429 (override_options): Set m68k_cpu, m68k_tune, m68k_fpu and
18430 m68k_cpu_flags. Handle M68K_DEFAULT_TUNE. Use m68k_cpu_flags
18431 to derive default MASK_BITFIELD, MASK_CF_HWDIV and MASK_HARD_FLOAT
18433 * config/m68k/m68k.opt (m5200, m5206e, m528x, m5307, m5407, mcfv4e)
18434 (m68010, m68020, m68020-40, m68020-60, m68030, m68040): Remove Mask
18436 (m68881, msoft-float): Change mask from 68881 to HARD_FLOAT.
18437 (march=, mcpu=, mdiv, mhard-float, mtune=): New options.
18438 * config/m68k/m68k-devices.def: New file.
18440 2007-01-12 Richard Sandiford <richard@codesourcery.com>
18441 Nathan Sidwell <nathan@codesourcery.com>
18443 * config/m68k/m68k.h (ASM_CPU_SPEC, ASM_SPEC, EXTRA_SPECS)
18444 (SUBTARGET_EXTRA_SPECS): New macros.
18445 * config/m68k/linux.h (ASM_SPEC): Remove CPU flags;
18446 use %(asm_cpu_spec) instead.
18447 * config/m68k/m68k-none.h (ASM_SPEC): Likewise.
18448 * config/m68k/openbsd.h (ASM_SPEC): Likewise.
18449 * config/m68k/netbsd-elf.h (ASM_SPEC): Likewise.
18450 (EXTRA_SPECS): Rename to...
18451 (SUBTARGET_EXTRA_SPECS): ...this.
18453 2007-01-12 Nathan Sidwell <nathan@codesourcery.com>
18454 Richard Sandiford <richard@codesourcery.com>
18455 Julian Brown <julian@codesourcery.com>
18457 * config.gcc (m68k-*-aout*, m68k-*-coff*, m68020-*-elf*, m68k-*-elf*)
18458 (m68k-*-uclinux*, m68k-*-linux*, m68k-*-rtems*): Set default_m68k_cpu
18459 to the configuration's default CPU.
18460 (m68010-*-netbsdelf*, m68k*-*-netbsdelf*, m68k*-*-openbsd*): Likewise.
18461 Remove default masks.
18462 (m680[012]0-*-*): Set the default with_cpu to the first part of
18464 (m68k*-*-*): Set the default with_cpu to m$default_m68k_cpu.
18465 (m68k*-*-linux): Extend the --with-cpu handling to...
18466 (m680[012]0-*-*, m68k*-*-*): ...these configurations. Allow m68000
18467 and m68010. Don't set target_cpu_default2.
18468 * doc/install.texi: Document --with-cpu for m68k.
18469 * config/m68k/m68k.h (OPTION_DEFAULT_SPECS): Define.
18470 * config/m68k/m68k-none.h (TARGET_CPU_DEFAULT, M68K_CPU_m68k)
18471 (M68K_CPU_m68000, M68K_CPU_m68010, M68K_CPU_m68020, M68K_CPU_m68030)
18472 (M68K_CPU_m68040, M68K_CPU_m68302, M68K_CPU_m68332, TARGET_DEFAULT)
18473 (ASM_CPU_DEFAULT_SPEC, CC1_CPU_DEFAULT_SPEC): Delete.
18474 (ASM_SPEC): Remove use of %(asm_cpu_default).
18475 (EXTRA_SPECS, SUBTARGET_EXTRA_SPECS, MULTILIB_DEFAULTS): Delete.
18476 * config/m68k/linux.h (TARGET_DEFAULT): Delete.
18477 (CPP_SPEC): Merge definitions. Do not handle __HAVE_68881__ here.
18478 * config/m68k/netbsd-elf.h (TARGET_OS_CPP_BUILTINS): Define
18479 __HAVE_FPU__ if TARGET_HARD_FLOAT.
18480 (TARGET_DEFAULT): Delete.
18481 (EXTRA_SPECS): Delete cpp_cpu_default_spec, cpp_cpu_spec,
18482 cpp_fpu_spec, asm_default_spec and netbsd_cpp_spec.
18483 (CPP_CPU_SPEC): Delete.
18484 (TARGET_VERSION): Merge definitions, using TARGET_68010 to pick
18485 the appropriate string.
18486 (CPP_CPU_DEFAULT_SPEC, ASM_DEFAULT_SPEC, CPP_FPU_SPEC): Delete.
18487 (CPP_SPEC): Define to NETBSD_CPP_SPEC.
18488 (ASM_SPEC): Don't use %(asm_default_spec).
18489 * config/m68k/m68k.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
18490 TARGET_DEFAULT and add MASK_68881.
18491 * config/m68k/m68k.md: Remove mention of TARGET_DEFAULT from comments.
18493 2007-01-12 Richard Sandiford <richard@codesourcery.com>
18495 * config.gcc (m68010-*-netbsdelf*): Add MASK_68010.
18496 (m68k*-*-netbsdelf*, m68k*-*-openbsd*, m68k*-linux*): Add
18497 MASK_68010 alongside MASK_68020.
18498 * doc/invoke.texi: Document -m68010.
18499 * config/m68k/m68k.opt (m68010): New.
18500 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define mc68010
18502 (TUNE_68010): New macro.
18503 * config/m68k/m68k-none.h (M68K_CPU_m68k, M68K_CPU_m68010)
18504 (M68K_CPU_m68020, M68K_CPU_m68030, M68K_CPU_m68040)
18505 (M68K_CPU_m68332): Add MASK_68010.
18506 * config/m68k/linux.h (TARGET_DEFAULT): Add MASK_68010 to
18507 fallback definition.
18508 * config/m68k/netbsd-elf.h (CPP_CPU_SPEC): Remove now-redundant
18510 * config/m68k/m68k.c (MASK_ALL_CPU_BITS): Add MASK_68010.
18511 (m68k_handle_option): Handle OPT_m68010. Add MASK_68010
18512 to all entries that use MASK_68020.
18513 (output_move_simode_const, output_move_himode, output_move_qimode)
18514 (output_move_stricthi, output_move_strictqi): Use TARGET_68010
18515 instead of TARGET_68020 to select clr behavior. Remove comment
18516 about there being no TARGET_68010.
18517 * config/m68k/m68k.md: Likewise throughout.
18519 2007-01-12 Julian Brown <julian@codesourcery.com>
18521 * config/m68k/m68k.h (TARGET_ISAB): New macro.
18522 * config/m68k/m68k.c: Use TARGET_ISAB rather than TARGET_CFV4.
18523 * config/m68k/m68k.md: Likewise.
18525 2007-01-12 Julian Brown <julian@codesourcery.com>
18527 * config/m68k/m68k.h (LEGITIMATE_INDEX_P, LEGITIMIZE_ADDRESS): Use
18528 TARGET_COLDFIRE_FPU instead of TARGET_CFV4E.
18530 2007-01-12 Julian Brown <julian@codesourcery.com>
18532 * config/m68k/m68k.h (TUNE_68040_60): New macro.
18533 * config/m68k/m68k.c (standard_68881_constant_p): Use it.
18534 * config/m68k/m68k.md: Likewise.
18536 2007-01-12 Julian Brown <julian@codesourcery.com>
18537 Richard Sandiford <richard@codesourcery.com>
18539 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Use TUNE_68030
18540 instead of TARGET_68030, TUNE_68040 instead of TARGET_68040,
18541 TUNE_68060 instead of TARGET_68060 and TUNE_CPU32 instead of
18543 (TARGET_CPU32): Rename to...
18544 (TUNE_CPU32): ...this.
18545 (TUNE_68000_10, TUNE_68030, TUNE_68040, TUNE_68060)
18546 (TUNE_CFV2): New macros.
18547 * config/m68k/netbsd-elf.h (LONG_DOUBLE_TYPE_SIZE): Simplify;
18548 remove conditions that are implied by TARGET_68020.
18549 * config/m68k/m68k.c (m68k_output_function_prologue): Use TUNE_68040
18550 instead of TARGET_68040 and TUNE_CPU32 instead of TARGET_CPU32.
18551 (m68k_output_function_epilogue): Likewise.
18552 (m68k_rtx_costs): Likewise. Use TUNE_68060 instead of TARGET_68060
18553 and TUNE_CFV2 instead of TARGET_5200. Use TUNE_68000_10 instead of
18554 "!TARGET_68020 && !TARGET_COLDFIRE" to choose between 68000 and
18555 non-68000 timings. Refactor multiplication and division costs.
18556 (output_addsi3): Use TUNE_68040 instead of TARGET_68040 and
18557 TUNE_CPU32 instead of TARGET_CPU32.
18558 (standard_68881_constant_p): Use TUNE_68040 instead of TARGET_68040
18559 and TUNE_68060 instead of TARGET_68060.
18560 * config/m68k/m68k.md: Use TUNE_68040 instead of TARGET_68040,
18561 TUNE_68060 instead of TARGET_68060, and TUNE_CPU32 instead of
18563 (movsi_const0): Use TUNE_68000_10 rather than "!TARGET_68020
18564 && !TARGET_COLDFIRE" to choose between moveq and clr.
18565 Likewise in the unnamed movsf pattern.
18566 (ashlsi_17_24, lshrsi_17_24): Guard with TUNE_68000_10 rather than
18567 "!TARGET_68020 && !TARGET_COLDFIRE". Likewise the unnamed
18570 2007-01-12 Richard Sandiford <richard@codesourcery.com>
18572 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Increase amount
18573 of tabbing before backslashes.
18575 2007-01-11 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
18577 * pa-linux.h (ASM_OUTPUT_INTERNAL_LABEL): Undefine.
18578 * pa.h (ASM_OUTPUT_LABEL): Output colon when using GAS.
18579 (ASM_OUTPUT_INTERNAL_LABEL): Define.
18581 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
18583 * tree-ssa-loop-ivopts.c (extract_cond_operands): Split from
18584 find_interesting_uses_cond.
18585 (find_interesting_uses_cond): Use extract_cond_operands.
18586 (rewrite_use_compare): Use extract_cond_operands and
18587 force_gimple_operand_bsi. Do not call update_stmt.
18588 (determine_use_iv_cost_condition): Use extract_cond_operands.
18589 Return cheaper of using original bound and changing the exit bound.
18591 2007-01-11 Zdenek Dvorak <dvorakz@suse.cz>
18593 PR tree-optimization/29516
18594 * tree-ssa-address.c (tree_mem_ref_addr, add_to_parts,
18595 most_expensive_mult_to_index, addr_to_parts,
18596 create_mem_ref, maybe_fold_tmr): Make the type of
18597 fields of TARGET_MEM_REF sizetype.
18598 (move_fixed_address_to_symbol, move_pointer_to_base):
18600 * tree.def (TARGET_MEM_REF): Add comment on types of
18603 2007-01-11 Joseph Myers <joseph@codesourcery.com>
18605 * c-common.c (vector_types_convertible_p): Treat opaque types as
18606 always convertible if they have the same size, but not otherwise.
18608 2007-01-11 Steven Bosscher <steven@gcc.gnu.org>
18610 * ifcvt.c (struct noce_if_info): Add comments to the fields.
18611 Remove the b_unconditional field.
18612 (noce_try_sign_mask): Do not look at b_unconditional.
18613 (noce_process_if_block): Do not use merge_if_blocks. Update
18614 the CFG here. Do not set b_unconditional.
18615 (cond_move_process_if_block): Likewise.
18616 (find_cond_trap): Likewise.
18617 (check_cond_move_block): Require simple jump insns at the end
18618 of the basic block.
18620 2007-01-11 Jan Hubicka <jh@suse.cz>
18622 PR tree-optimization/1046
18623 * tree-tailcall.c (suitable_for_tail_call_opt_p): Use TREE_ADDRESSABLE
18624 when alias info is not ready.
18625 (pass_tail_recursion): Do not require aliasing.
18626 * tree-ssa-copyrename.c (pass_rename_ssa_cop): Likewise.
18627 * tree-ssa-ccp.c (pass_ccp, pass_fold_builtins): Likewise.
18628 * tree-ssa-copy.c (pass_copy_prop): Likewise.
18629 * tree-ssa-forwprop.c (pass_forwprop): Likewise.
18630 * tree-ssa-dce.c (pass_dce, pass_dce_loop, pass_cd_dce): Likewise.
18631 * passes.c (init_optimization_passes): Execute rename_ssa_copies,
18632 ccp, forwprop, copy_prop, merge_phi, copy_prop, dce and tail recursion
18634 * tree-ssa-operands.c (add_virtual_operand, get_indirect_ref_operand):
18635 When aliasing is not build, mark statement as volatile.
18637 2007-01-11 Tom Tromey <tromey@redhat.com>
18639 PR preprocessor/15185, PR preprocessor/20989:
18640 * doc/cppopts.texi <-MT>: Update description of algorithm for
18641 computing default target.
18642 <-M, -MD>: Reword "basename" text.
18644 2007-01-11 Roger Sayle <roger@eyesopen.com>
18646 * builtins.c (expand_builtin_pow, expand_builtin_powi,
18647 fold_builtin_cabs, fold_builtin_sqrt, fold_builtin_trunc,
18648 fold_builtin_floor, fold_builtin_ceil, fold_builtin_round,
18649 fold_builtin_int_int_roundingfn, fold_builtin_bitop,
18650 fold_builtin_bswap, real_constp, fold_builtin_pow,
18651 fold_builtin_powi, fold_builtin_signbit, fold_builtin_copysign,
18652 do_mpfr_arg1, do_mpfr_arg2, do_mpfr_arg3, do_mpfr_sincos): Replace
18653 uses of the macro TREE_CONSTANT_OVERFLOW with TREE_OVERFLOW.
18654 * convert.c (convert_to_pointer): Likewise.
18655 * expr.c (highest_pow2_factor, expand_expr_real_1): Likewise.
18656 * fold-const.c (force_fit_type, fold_negate_expr, int_const_binop,
18657 const_binop, fold_convert_const_int_from_int,
18658 fold_convert_const_int_from_real,
18659 fold_convert_const_real_from_real, sign_bit_p,
18660 optimize_minmax_comparison, extract_muldiv_1, fold_div_compare,
18661 fold_sign_changed_comparison, fold_unary, fold_comparison,
18662 fold_binary, multiple_of_p, tree_Expr_non_zero_p,
18663 fold_negate_const, fold_abs_const, fold_not_const): Likewise.
18664 * print-tree.c (print_node_brief, print_node): Likewise.
18665 * stor-layout.c (place_field, layout_type): Likewise.
18666 * tree-chrec.c (keep_cast): Likewise.
18667 * tree.c (build_vector, build_real, build_real_from_int_cst,
18668 build_complex): Likewise.
18670 2007-01-11 Roger Sayle <roger@eyesopen.com>
18672 * tree.h (TREE_CONSTANT_OVERFLOW): Obsolete. For the time being,
18673 treat TREE_CONSTANT_OVERFLOW as a synonym of TREE_OVERFLOW.
18675 2007-01-11 Paolo Bonzini <bonzini@gnu.org>
18677 * configure.ac (strict1_warn): Rename to strict_warn.
18678 (WERROR, --enable-werror, symlink hacks, stage1_cflags,
18679 cc_set_by_configure, quoted_cc_set_by_configure,
18680 stage_prefix_set_by_configure, quoted_stage_prefix_set_by_configure,
18681 all_boot_languages, all_stagestuff): Remove.
18682 (target_list): Remove bootstrap targets.
18683 * Makefile.in (quickstrap): Unconditionally make a synonym of all.
18684 (BOOT_LANGUAGES, STAGE1_CFLAGS, STAGE1_CHECKING,
18685 REMAKEFLAGS, FLAGS_TO_PASS, PREPEND_DOTDOT_TO_RELATIVE_PATHS,
18686 SUBDIR_FLAGS_TO_PASS, WERROR_FLAGS, STRICT2_WARN, LANG_STAGESTUFF,
18687 VOL_FILES, POSTSTAGE1_FLAGS_TO_PASS, STAGE2_FLAGS_TO_PASS,
18688 STAGEPROFILE_FLAGS_TO_PASS, STAGEFEEDBACK_FLAGS_TO_PASS, stage1_build,
18689 stage1_copy, stage2_build, stage2_copy, stageprofile_build,
18690 stageprofile_copy, stage3_build, stage3_copy, stagefeedback_build,
18691 stagefeedback_copy, stage4_build, clean_s1, clean_sw, bootstrap,
18692 bootstrap-lean, bootstrap2, bootstrap2-lean, bootstrap3,
18693 bootstrap3-lean, bootstrap4, bootstrap4-lean, unstage1, unstage2,
18694 unstage3, unstage4, unstageprofile, unstagefeedback, restage, restage2,
18695 restage3, restage4, restageprofile, restagefeedback, bubbleestrap,
18696 cleanstrap, unstrap, restrap, *compare, *compare3, *compare4,
18697 *compare-lean, *compare3-lean, *compare4-lean, stage1-start, stage1,
18698 stage2-start, stage2, stage3-start, stage3, stage4-start, stage4,
18699 stageprofile-start, stageprofile, stagefeedback-start, stagefeedback,
18700 risky-stage1, risky-stage2, risky-stage3, risky-stage4): Remove.
18701 (ORDINARY_FLAGS_TO_PASS): Rename to FLAGS_TO_PASS.
18702 (STAGECOPYSTUFF, STAGEMOVESTUFF): Consolidate into MOSTLYCLEANFILES.
18703 (mostlyclean): Adjust.
18704 (clean, distclean): Don't mention bootstrap stuff.
18705 * configure: Regenerate.
18706 * ada/config-lang.in, cp/config-lang.in, forttran/config-lang.in,
18707 java/config-lang.in, objc/config-lang.in, objcp/config-lang.in,
18708 treelang/config-lang.in (stagestuff): Remove.
18709 * doc/sourcebuild.texi (stage1, stage2, stage3, stage4,
18710 stageprofile, stagefeedback, stagestuff): Remove mention.
18712 2007-01-11 Nick Clifton <nickc@redhat.com>
18714 * config/mcore/predicates.md (mcore_general_movesrc_operand):
18716 (mcore_general_movdst_operand): Do not accept CONST_INTs.
18717 (mcore_arith_K_S_operand): Run the test for the S constraint not
18718 the test for the M constraint.
18719 (mcore_addsub_operand): Do not accept integer values that are
18720 larger than 32 bits.
18721 * config/mcore/mcore.md: Remove unused constraints from split.
18722 (andsi3): Use HOST_WIDE_INT instead of int to hold an INTVAL.
18723 (addsi3): Likewise.
18724 (allocate_stack): Likewise.
18725 * config/mcore/mcore.c (mcore_print_operand): Restrict output of P
18726 operands to 32 bits.
18727 (mcore_const_costs): Use HOST_WIDE_INT instead of int to hold an
18729 (mcore_and_cost, mcore_modify_comparison, const_ok_for_mcore,
18730 mcore_const_ok_for_inline, mcore_const_trick_uses_not,
18731 try_constant_tricks, mcore_num_ones, mcore_num_zeros,
18732 mcore_output_bclri, mcore_output_andn, output_inline_const,
18733 mcore_output_move, mcore_output_movedouble): Likewise.
18734 (mcore_output_cmov): Use CONST_OK_FOR_M and CONST_OK_FOR_N.
18735 (output_inline_const): Likewise.
18736 (output_inline_const): Fix format strings used in sprintf
18738 * config/mcore/mcore-protos.h: Update prototypes for changed
18739 functions in mcore.c.
18740 * config/mcore/mcore.h (CONST_OK_FOR_I): Cast values to
18741 HOST_WIDE_INT and not int.
18742 (CONST_OK_FOR_J, CONST_OK_FOR_K, CONST_OK_FOR_L, CONST_OK_FOR_M,
18743 CONST_OK_FOR_N): Likewise.
18744 (LEGITIMATE_CONSTANT_P): Also check CONSTANT_P.
18745 (GO_IF_LEGITIMATE_INDEX): Use HOST_WIDE_INT instead of int to hold
18748 2007-01-10 Jan Hubicka <jh@suse.cz>
18750 * tree-vrp.c (remove_range_assertions): Release defs.
18751 * tree-ssa-loop-ivopts.c (rmeove_statement): Likewise.
18752 * tree-ssa-dom.c (remove_stmt_or_phi): Likewise.
18754 2007-01-10 Paul Brook <paul@codesourcery.com>
18756 * config/arm/arm.c (arm_rtx_costs_1): Handle mutiply-subtract.
18757 * config/arm/arm.md (mulsi3subsi): New insn.
18759 2007-01-10 Zdenek Dvorak <dvorakz@suse.cz>
18761 * tree-ssa-loop-manip.c (tree_unroll_loop): Make it a wrapper over ...
18762 (tree_transform_and_unroll_loop): New.
18763 * tree-flow.h (transform_callback, tree_transform_and_unroll_loop):
18766 2007-01-10 Robert Kennedy <jimbob@google.com>
18768 * fold-const.c (fold_comparison): Fold comparisons like (x *
18769 1000 < 0) to (x < 0).
18771 2007-01-10 Ian Lance Taylor <iant@google.com>
18773 * tree-pretty-print.c (dump_generic_node): Print parentheses when
18774 operands have the same priority.
18776 2007-01-10 Tom Tromey <tromey@redhat.com>
18778 * fold-const.c (fold_truthop): Don't check can_use_bit_fields_p.
18779 (fold_binary): Likewise.
18780 * langhooks.c (lhd_can_use_bit_fields_p): Removed.
18781 * langhooks-def.h (lhd_can_use_bit_fields_p): Removed.
18782 (LANG_HOOKS_CAN_USE_BIT_FIELDS_P): Removed.
18783 (LANG_HOOKS_INITIALIZER): Remove LANG_HOOKS_CAN_USE_BIT_FIELDS_P.
18784 * langhooks.h (struct lang_hooks): Removed field
18785 'can_use_bit_fields_p'.
18787 2007-01-10 Ralf Corsépius <ralf.corsepius@rtems.org>
18789 * config/bfin/t-bfin, config/bfin/t-bfin-elf: Remove GCC_CFLAGS.
18791 2007-01-10 Razya Ladelsky <razya@il.ibm.com>
18793 * function.c (get_last_funcdef_no): New function.
18794 * function.h (get_last_funcdef_no): Declare.
18795 * tree-inline.c (initialize_cfun): Add initialization.
18796 (tree_function_versioning): Cleanup.
18798 2007-01-10 Jan Hubicka <jh@suse.cz>
18800 * tree-inline.c (setup_one_parameter): Do not propagate into abnormal
18803 2007-01-10 Sa Liu <saliu@de.ibm.com>
18804 Ben Elliston <bje@au.ibm.com>
18806 * spu.h (STACK_SAVE_AREA): Use VOIDmode for SAVE_FUNCTION, SImode
18807 for SAVE_NONLOCAL and Pmode for any other save level.
18808 * spu-protos.h (spu_restore_stack_block): Declare.
18809 * spu.md (save_stack_block): Remove.
18810 (restore_stack_block): Call spu_restore_stack_block.
18811 * spu.c (spu_restore_stack_block): New function.
18812 (spu_expand_epilogue): Remove old comment.
18814 2007-01-09 Zdenek Dvorak <dvorakz@suse.cz>
18816 PR tree-optimization/30322
18817 * tree-ssa-loop-ivopts.c (fold_affine_expr, iv_value): Removed.
18818 (cand_value_at): Return the value as aff_tree.
18819 (may_eliminate_iv): Convert the bound from aff_tree to tree.
18820 * tree-affine.c (aff_combination_add_cst, aff_combination_add_product,
18821 aff_combination_mult): New functions.
18822 (aff_combination_add): Use aff_combination_add_cst.
18823 (aff_combination_convert): Allow conversions to a wider type.
18824 (tree_to_aff_combination): Handle BIT_NOT_EXPR.
18825 * tree-affine.h (aff_combination_mult): Declare.
18827 2007-01-09 Carlos O'Donell <carlos@codesourcery.com>
18829 * doc/tm.texi: Update documentation to reflect reality of exec
18830 and start file search behaviours. Update copyright year.
18831 * doc/invoke.texi: Explain how GCC_EXEC_PREFIX is used to find
18832 header file directories.
18834 2007-01-09 Uros Bizjak <ubizjak@gmail.com>
18836 * config/i386/i386.md (*sinxf2): Rename to *sinxf2_i387.
18837 (*cosxf2): Rename to cosxf2_i387.
18838 (*sindf2, *sinsf2): Extend operand 1 to XFmode. Macroize patterns
18839 using X87MODEF12 mode macro. Rename patterns to
18840 *sin_extend<mode>xf2_i387. Use SSE_FLOAT_MODE_P to disable patterns
18842 (*cosdf2, *cossf2): Ditto.
18843 (sincosdf3, sincossf3): Ditto. Rewrite corresponding splitters
18844 to match extended input operands.
18845 (sincos<mode>3): New expander.
18846 (*sinextendsfdf2, *cosextendsfdf2, *sincosextendsfdf3): Remove
18847 insn patterns and corresponding splitters.
18849 2007-01-09 Kaz Kojima <kkojima@gcc.gnu.org>
18851 * config/sh/t-linux (TARGET_LIBGCC2_CFLAGS): Delete.
18852 (SHLIB_MAPFILES, SHLIB_LINK, SHLIB_INSTALL): Likewise.
18854 2007-01-09 Nicolas Pitre <nico@cam.org>
18857 * arm/ieee754-df.S (Lad_s): Also test the low word of X for zero.
18859 2007-01-08 Geoffrey Keating <geoffk@apple.com>
18861 * target.h (struct gcc_target): New field library_rtti_comdat.
18862 * target-def.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): New.
18863 (TARGET_CXX): Add TARGET_CXX_LIBRARY_RTTI_COMDAT.
18864 * doc/tm.texi (C++ ABI): Document TARGET_CXX_LIBRARY_RTTI_COMDAT.
18865 * config/darwin.h (TARGET_CXX_LIBRARY_RTTI_COMDAT): Define.
18867 2007-01-08 Geoffrey Keating <geoffk@apple.com>
18869 * doc/invoke.texi (Optimize Options): Correct description of -O0.
18871 2007-01-08 Richard Guenther <rguenther@suse.de>
18873 * tree.h (force_fit_type_double): Export.
18874 (force_fit_type): Remove.
18875 * fold-const.c (force_fit_type_double): New function.
18876 (force_fit_type): Remove.
18877 (int_const_binop): Use it.
18878 (fold_convert_const_int_from_int): Likewise.
18879 (fold_convert_const_int_from_real): Likewise.
18880 (fold_div_compare): Likewise.
18881 (fold_sign_changed_comparison): Likewise.
18882 (fold_unary): Likewise.
18883 (fold_negate_const): Likewise.
18884 (fold_abs_const): Likewise.
18885 (fold_not_const): Likewise.
18886 * c-common.c (shorten_compare): Use force_fit_type_double.
18887 * convert.c (convert_to_pointer): Likewise.
18889 2007-01-08 Richard Guenther <rguenther@suse.de>
18891 * tree.h (build_int_cst_wide_type): Export.
18892 * tree.c (build_int_cst_wide_type): New function.
18893 (build_int_cst_wide): Fix comment.
18894 * builtins.c (fold_builtin_object_size): Use build_int_cst
18895 to build -1 or 0 of the correct type. Use fit_double_type
18896 to check for overflow.
18897 * fold-const.c (optimize_bit_field_compare): Use build_int_cst_type
18899 (decode_field_reference): Likewise.
18900 (all_ones_mask_p): Likewise.
18901 (native_interpret_int): Use build_int_cst_wide_type.
18902 (fold_binary): Use build_int_cst_type to build an all-ones
18904 * stor-layout.c (set_sizetype): Use build_int_cst_wide_type.
18906 2007-01-08 Daniel Jacobowitz <dan@codesourcery.com>
18908 * config/pa/t-pa64 (libgcc_stub.a): Use $(T).
18910 2007-01-09 Ben Elliston <bje@au.ibm.com>
18912 * genautomata.c (STATS_OPTION): New option.
18913 (stats_flag): New flag.
18914 (gen_automata_option): Handle it.
18915 (initiate_automaton_gen): Ditto.
18916 (write_automata): Output statistics only if stats_flag is
18917 set. Likewise, output time statistics only if time_flag is set.
18918 * doc/md.texi (Processor pipeline description): Document new flag.
18920 2007-01-08 Richard Guenther <rguenther@suse.de>
18922 * builtins.c (fold_builtin_int_roundingfn): Use fit_double_type.
18923 * tree.c (build_int_cst_type): Likewise.
18924 (size_in_bytes): Don't call force_fit_type on the result.
18925 (int_fits_type_p): Use fit_double_type.
18926 * fold-const.c (fit_double_type): New function.
18927 (force_fit_type): Use it.
18928 * tree.h (fit_double_type): Export.
18930 2007-01-08 Jan Hubicka <jh@suse.cz>
18932 * tree-vectorizer.c (gate_increase_alignment): Fix return type.
18933 * ipa.c (function_and_variable_visibility): Fix return type.
18935 2007-01-08 Richard Guenther <rguenther@suse.de>
18937 * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Use type
18938 of offset to build the index.
18939 * tree-pretty-print.c (dump_generic_node): Don't build negated
18940 const just for printing.
18941 * c-pretty-print.c (pp_c_integer_constant): Likewise.
18942 * builtins.c (fold_builtin_int_roundingfn): Check if result
18943 fits the type by using force_fit_type and comparing the result.
18944 * predict.c (predict_loops): Use compare_tree_int for comparison.
18945 * tree.c (build_int_cst): Fall back to integer_type_node for
18947 (build_int_cst_wide): Assert type is non-null.
18949 2007-01-08 Roberto Costa <roberto.costa@st.com>
18951 * tree-vrp.c (extract_range_from_cond_expr): New.
18952 (extract_range_from_expr): Handle COND_EXPR nodes used as expressions.
18953 * tree-ssa-ccp.c (get_maxval_strlen): Handle COND_EXPR nodes used
18955 (fold_stmt): Bug fix, avoid infinite recursion when folding COND_EXPRs.
18956 * tree-ssa-forwprop.c (simplify_cond, forward_propagate_into_cond,
18957 tree_ssa_forward_propagate_single_use_vars): Handle COND_EXPR nodes
18958 used as expressions.
18959 * tree-object-size.c (cond_expr_object_size): New.
18960 (collect_object_sizes_for): Handle COND_EXPR nodes used as expressions.
18962 2007-01-08 Jan Hubicka <jh@suse.cz>
18964 * tree-ssa-forwprop.c (forward_propagate_into_cond,
18965 tree_ssa_forward_propagate_single_use_va): Release defs of propagated
18968 2007-01-08 Richard Guenther <rguenther@suse.de>
18970 PR tree-optimization/23603
18971 * tree-vrp.c (set_value_range_to_truthvalue): New function.
18972 (extract_range_from_binary): Fall back to truthvalue instead of
18973 varying for TRUTH_*_EXPR.
18974 (extract_range_from_comparison): Fall back to truthvalue instead of
18976 (vrp_visit_phi_node): Don't adjust new range bounds to +INF/-INF
18977 if all visited PHI values were constant.
18979 2007-01-08 Jan Hubicka <jh@suse.cz>
18981 * cgraphunit.c (cgraph_process_new_functions): Reset reachable flag.
18982 (cgraph_analyze_function): break out from ...
18983 (cgraph_finalize_compilation_unit): ... here.
18984 (cgraph_expand_function): Remove forgoten commented out line.
18985 (cgraph_optimize): Analyze functions.
18987 2007-01-08 Jan Hubicka <jh@suse.cz>
18989 * tree-pas.h (TODO_remove_function): New flag.
18990 (TODO_update*): Renumber.
18991 (pass_ipa_increase_alignment,
18992 pass_ipa_function_and_variable_visibility): New passes.
18993 * cgraphunit.c (cgraph_increase_alignment): Move to tree-vectorizer.c
18994 (cgraph_function_and_variable_visibility): Move to ipa.c
18995 (cgraph_optimize): Don't call cgraph_function_and_variable_visibility,
18996 cgraph_increase_alignment.
18997 * ipa-inline.c (cgraph_decide_inlining): Don't push timevar.
18998 (cgraph_decide_inlining_incrementally): Push TV_INTEGRATION before
18999 calling tree-inline.
19000 (cgraph_early_inlining): Do not call cgraph_remove_unreachable_nodes.
19001 (pass_ipa_inline, pass_early_ipa_inlining): Set TODO_remove_functions
19002 * tree-vectorizer.c (increase_alignment): Move here from cgraphunit.c
19003 (gate_increase_alignment): New function.
19004 (pass_ipa_increase_alignment): New pass.
19005 * ipa.c: Inline tree-pass.h and timevar.h
19006 (function_and_variable_visibility): Move here from cgraphunit.c
19007 * tree-optimize.c (pass_early_local_passes): Add TODO_remove_functions.
19008 * passes.c (init_optimization_passes): Add the two new passes.
19009 (execute_todo): Handle cgraph_remove_functions.
19011 2007-01-08 Nick Clifton <nickc@redhat.com>
19013 * config/frv/predicates.md (reg_or_0_operand): Accept
19016 2007-01-08 Ralf Corsépius <ralf.corsepius@rtems.org>
19018 * config/bfin/rtems.h, config/bfin/t-rtems: New.
19019 * config.gcc: Add bfin*-rtems*.
19021 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
19023 * c.opt: Add -flax-vector-conversions.
19024 * c-typeck.c (convert_for_assignment): Pass flag to
19025 vector_types_convertible_p to allow emission of note.
19026 (digest_init): Likewise.
19027 * c-opts.c: Handle -flax-vector-conversions.
19028 * c-common.c (flag_lax_vector_conversions): New.
19029 (vector_types_convertible_p): Unless -flax-vector conversions
19030 has been passed, disallow conversions between vectors with
19031 differing numbers of subparts and/or element types. If such
19032 a conversion is disallowed, possibly emit a note on the first
19033 occasion only to inform the user of -flax-vector-conversions.
19034 The new last argument specifies this.
19035 * c-common.h (flag_lax_vector_conversions): New.
19036 (vector_types_convertible_p): Add extra argument.
19037 * config/i386/i386.c (ix86_init_mmx_sse_builtins): Use
19038 char_type_node for V*QI type vectors.
19039 * config/rs6000/rs6000-c.c (altivec_overloaded_builtins):
19040 Update to satisfy new typechecking rules.
19041 * config/rs6000/altivec.h (vec_cmple): Use vec_cmpge, for both
19042 C and C++ variants.
19043 * doc/invoke.texi (C Dialect Options): Document
19044 -flax-vector-conversions.
19046 2007-01-08 Mark Shinwell <shinwell@codesourcery.com>
19048 PR tree-optimization/29877
19049 * tree-ssa-ter.c (is_replaceable_p): Deem assignments with
19050 a register variable on the RHS to not be replaceable.
19052 2007-01-08 Chen Liqin <liqin@sunnorth.com.cn>
19053 * config/score/t-score-elf (MULTILIB_OPTIONS): Change.
19054 * config/score/predicates.md (const_uimm5, sr0_operand, const_simm12,
19055 const_simm15, const_pow2, const_npow2): Added.
19056 * config/score/misc.md (insv, extv, extzv, movmemsi,
19057 move_lbu_a/b, mov_lhu_a/b etc): Added and fix some bug.
19058 * config/score/score.c (score_address_cost, score_select_cc_mode):
19060 Change CONST_OK_FOR_LETTER_P/EXTRA_CONSTRAINT define.
19061 Update score_rtx_costs for MACRO TARGET_RTX_COSTS.
19062 Update score_print_operand.
19063 * config/score/score.h (DATA_ALIGNMENT, SELECT_CC_MODE): Added.
19064 Adjust register allocate order and update some macro define.
19065 * config/score/score-mdaux.c (mdx_unaligned_load, mdx_unsigned_store,
19066 mdx_block_move_straight, mdx_block_move_loop_head,
19067 mdx_block_move_loop_body, mdx_block_move_loop_foot,
19068 mdx_block_move_loop, mdx_block_move): Added.
19069 (mdx_movsicc, mdp_select_add_imm, mdp_select, mds_zero_extract_andi,
19070 mdp_limm): Updated and fix some bug and typo.
19071 * config/score/score.md (movqi/hi/si, add/sub/zero/ext): Updated.
19072 (movsf, movdf, doloop_end): Added.
19074 2007-01-08 Kazu Hirata <kazu@codesourcery.com>
19076 * config/arm/arm.c, config/arm/arm.h, config/arm/arm.md,
19077 config/arm/thumb2.md: Fix comment typos.
19078 * doc/extend.texi: Fix a typo.
19080 2007-01-07 Eric Christopher <echristo@apple.com>
19082 * configure.ac: Check for __stack_chk_fail for darwin.
19083 * configure: Regenerate.
19085 2007-01-07 Richard Guenther <rguenther@suse.de>
19087 * tree-vrp.c (extract_range_from_assert): CSE calls to
19088 compare_values where possible.
19089 (extract_range_from_unary_expr): Likewise.
19091 2007-01-07 Anatoly Sokolov <aesok@post.ru>
19093 * config/avr/avr-protos.h (call_insn_operand): Delete prototype.
19094 * config/avr/avr.c (call_insn_operand): Delete function.
19095 * config/avr/avr.md (*pushqi, *pushhi, *pushsi, *pushsf): Use REG_SP
19096 instead of register number. Use predicates.
19097 * config/avr/predicates.md (const0_operand, reg_or_0_operand,
19098 call_insn_operand): Add.
19100 2007-01-06 Jan Hubicka <jh@suse.cz>
19102 * tree-pass.h (pass_build_cgraph_edges): Declare.
19103 * cgraphunit.c (record_refernece): Move to cgraphbuild.c
19104 (visited_nodes): Remove.
19105 (cgraph_create_edges): Move to cgraphbuild.c; rename to
19106 build_cgrpah_edges; make visited_nodes local.
19107 (cgraph_process_new_functions): DO not call initialize_inline_failed.
19108 (record_references_in_initializer): Move to cgraphbuild.c
19109 (initialize_inline_failed, rebuild_cgraph_edges,
19110 pass_rebuild_cgraph_edges): Move to cgraphbuild.c.
19111 (verify_cgraph_node): Make visited_nodes local.
19112 (cgraph_analyze_function): Do not call cgraph_create_edges and
19113 initialize_inline_failed.
19114 (cgraph_expand_function): Do not call cgraph_lower_function;
19115 assert that function is already lowered.
19116 * Makefile.in (cgraphbuild.o): New.
19117 * passes.c (init_optimization_passes): Add pass_build_cgraph_edges
19118 at the end of lowering passes.
19120 2007-01-06 Steven Bosscher <steven@gcc.gnu.org>
19122 * ifcvt.c (cond_move_convert_if_block): New function, code
19123 factored out from...
19124 (cond_move_process_if_block): ...here. Call the new function
19125 on the THEN and ELSE blocks.
19126 (merge_if_block): Do not copy global_live_at_end, merge_blocks
19127 already takes care of this.
19129 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
19132 * tree.h (TREE_OVERFLOW_P): New.
19133 * c-typeck.c (parser_build_unary_op): Warn only if result
19134 overflowed and operands did not.
19135 (parser_build_binary_op): Likewise.
19136 (convert_for_assignment): Remove redundant overflow_warning.
19137 * c-common.c (overflow_warning): Don't check or set TREE_OVERFLOW.
19139 2007-01-05 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
19141 * c-typeck.c (store_init_value): Split over two lines to follow
19142 the GNU coding style.
19144 2007-01-05 Benjamin Kosnik <bkoz@redhat.com>
19146 * c-cppbuiltin.c (c_cpp_builtins): __GXX_EXPERIMENTAL_CPP0X__ to
19147 __GXX_EXPERIMENTAL_CXX0X__.
19148 * doc/cpp.texi: Same.
19150 2007-01-05 Richard Guenther <rguenther@suse.de>
19152 PR middle-end/27826
19153 * tree.c (get_narrower): Do not construct COMPONENT_REFs
19154 with mismatched types. Instead explicitly build a
19155 conversion NOP_EXPR.
19157 2007-01-05 Ian Lance Taylor <iant@google.com>
19159 * c-common.c (decl_with_nonnull_addr_p): New function.
19160 (c_common_truthvalue_conversion): Call it.
19161 * c-typeck.c (build_binary_op): Likewise.
19162 * c-common.h (decl_with_nonnull_addr_p): Declare.
19164 2007-01-05 Jakub Jelinek <jakub@redhat.com>
19167 * libgcc2.c (__divdc3): Compare c and d against 0.0 instead of
19170 2007-01-05 Joel Brobecker <brobecker@adacore.com>
19172 * doc/install.texi (Final install): Document the fact that
19173 the GNAT runtime should not be stripped.
19175 2007-01-04 Jan Hubicka <jh@suse.cz>
19177 * tree-inline.c (fold_marked_statements): Update operand caches
19178 and EH after folding
19180 2007-01-04 Ian Lance Taylor <iant@google.com>
19182 * c-common.c (check_function_nonnull): Whitespace fix.
19184 2007-01-04 Jan Hubicka <jh@suse.cz>
19186 * tree-optimize.c (execute_fixup_cfg): Correct previously mistakely
19187 comitted older version of patch.
19188 (pass_fixup_cfg): Add TODOs to verify flow and statements, dump
19189 function, celanup cfg and collect garbage.
19191 2007-01-04 Mike Stump <mrs@apple.com>
19193 * Makefile.in (mostlyclean): Don't remove libgcc anymore.
19196 2007-01-04 Eric Christopher <echristo@apple.com>
19198 * libgcc2.c (__bswapsi2): Use SItype.
19199 (__bswapdi2): Use DItype.
19200 * libgcc2.h: Update for above.
19202 2007-01-04 Paul Brook <paul@codesourcery.com>
19204 * config/arm/arm.md (arm_mulsi3, thumb_mulsi3, mulsi3_compare0,
19205 mulsi_compare0_scratch, mulsi3addsi, mulsi3addsi_compare0,
19206 mulsi3addsi_compare0_scratch, mulsidi3adddi, mulsidi3,
19207 umulsidi3, umulsidi3adddi, smulsi3_highpart,
19208 umulsi3_highpart): Make conditional on !arm_arch6.
19209 (arm_mulsi3_v6, thumb_mulsi3_v6, mulsi3_compare0_v6,
19210 mulsi_compare0_scratch_v6, mulsi3addsi_v6, mulsi3addsi_compare0_v6,
19211 mulsi3addsi_compare0_scratch_v6, mulsidi3adddi_v6, mulsidi3_v6,
19212 umulsidi3_v6, umulsidi3adddi_v6, smulsi3_highpart_v6,
19213 umulsi3_highpart_v6): New insns.
19215 2007-01-04 Roger Sayle <roger@eyesopen.com>
19217 * fold-const.c (fold_convert): When casting an expression to void,
19218 fold_ignored_result may discover a GIMPLE_MODIFY_STMT which doesn't
19219 have a type. Instead of attempting to build a NOP_EXPR, return
19220 these "special" trees directly.
19222 2007-01-04 Joseph Myers <joseph@codesourcery.com>
19224 * config/rs6000/rs6000.c (rs6000_rtx_costs): Make adjustment for
19225 MULT inside MINUS as either argument. Use rs6000_cost->dmul -
19226 rs6000_cost->fp not 0 as adjustment for outer NEG.
19228 2007-01-04 Jan Hubicka <jh@suse.cz>
19230 * cgraph.c (cgraph_release_function_body): New function.
19231 (cgraph_remove_node): Use it.
19232 * cgraph.h (cgraph_release_function_body): Declare.
19233 * cgraphunit.c (cgraph_expand_function): Use it.
19234 * ipa.c (cgraph_remove_unreahchable_nodes): Use it.
19235 * tree-ssa.c (delete_tree_ssa): Allow to be called before aliasing
19236 is initialized and while compilation of other function is running.
19237 * tree-optimize.c (execute_free_cfg_annotations): Move code to clear
19238 statement CFG annotations from here to ...
19239 * tree-cfg.c (delete_tree_cfg_annotations): ... here.
19241 2007-01-04 Zdenek Dvorak <dvorakz@suse.cz>
19243 * cfgloop.h (enum li_flags): Make the constants powers of two.
19245 2007-01-04 Jan Hubicka <jh@suse.cz>
19247 * tree-inline.c (copy_bb): Insert new statements to statements_to_fold
19249 (fold_marked_statements): New function.
19250 (optimize_inline_calls, tree_function_versioning): Fold new statements.
19251 * tree-inline.h (copy_body_data): Add statements_to_fold.
19253 2007-01-03 Daniel Jacobowitz <dan@codesourcery.com>
19255 * config.gcc: Mention libgcc/config.host.
19256 * Makefile.in: Update comments mentioning libgcc.
19257 (LIBGCC, INSTALL_LIBGCC, GCC_PARTS, mklibgcc): Delete.
19258 (all.cross, start.encap, rest.encap, rest.cross): Update
19259 dependencies for libgcc move.
19260 (libgcc.mk, LIBGCC_DEPS, libgcov.a, libgcc.a, stmp-multilib)
19261 (clean-target, clean-target-libgcc): Delete.
19262 (srcdirify, GCC_EXTRA_PARTS): New macros.
19263 (libgcc-support, libgcc.mvars): New rules.
19264 (distclean): Remove mention of mklibgcc.
19265 (install): Don't reference INSTALL_LIBGCC.
19266 (install-common): Don't reference EXTRA_PARTS.
19267 (install-libgcc, install-multilib): Delete rules.
19268 * mklibgcc.in: Delete file.
19269 * doc/configfiles.texi: Don't mention mklibgcc.
19271 * config/i386/t-darwin (SHLIB_VERPFX): Delete (moved to libgcc).
19272 * config/i386/t-darwin64 (SHLIB_VERPFX): Likewise.
19273 * config/rs6000/t-darwin (SHLIB_VERPFX): Likewise.
19274 * config/rs6000/t-ppccomm (TARGET_LIBGCC2_CFLAGS, SHLIB_MAPFILES)
19275 (mklibgcc, ldblspecs): Likewise.
19277 * config/i386/t-nwld (libgcc.def, libc.def, libpcre.def)
19278 (posixpre.def): Use $(T).
19279 (SHLIB_EXT, SHLIB_NAME, SHLIB_SLIBDIR_QUAL, SHLIB_DEF, SHLIB_MAP)
19280 (SHLIB_SRC, SHLIB_INSTALL): Delete.
19281 (SHLIB_LINK): Make dummy.
19282 * config/t-slibgcc-darwin: Delete contents except for dummy SHLIB_LINK.
19284 * config/frv/t-linux (EXTRA_MULTILIB_PARTS): Clear.
19286 * config/alpha/t-crtfm: Use $(T) in rules for EXTRA_PARTS.
19287 * config/alpha/t-vms, config/alpha/t-vms64, config/fr30/t-fr30,
19288 config/i386/t-rtems-i386, config/ia64/t-ia64, config/rs6000/t-beos,
19289 config/rs6000/t-newas, config/sparc/t-elf: Likewise.
19291 * configure.ac (all_outputs): Remove mklibgcc.
19292 * configure: Regenerated.
19294 2007-01-03 Josh Conner <jconner@apple.com>
19296 PR middle-end/29683
19297 * calls.c (compute_argument_addresses): Set stack and stack_slot
19298 for partial args, too.
19299 (store_one_arg): Use locate.size.constant for the size when
19300 generating a save_area.
19302 2007-01-03 Robert Kennedy <jimbob@google.com>
19304 * tree-cfg.c (tree_merge_blocks): Release SSA_NAME phi results
19305 whose definitions are deleted due to basic block merging.
19307 2007-01-03 Paul Brook <paul@codesourcery.com>
19310 * config/arm/arm.c (output_return_instruction): Pop PC in interrupt
19312 (use_return_insn): Return 0 for Thumb interrupt functions.
19313 (print_multi_reg): Add rfe argument for IRQ returns.
19314 (arm_output_epilogue): Pop interrupt return address directly into PC.
19315 (arm_expand_prologue): Only adjust IRQ return address in Arm mode.
19317 2007-01-03 Paul Brook <paul@codesourcery.com>
19319 Merge from sourcerygxx-4_1.
19320 * config/arm/thumb2.md: New file.
19321 * config/arm/elf.h (JUMP_TABLES_IN_TEXT_SECTION): Return True for
19323 * config/arm/coff.h (JUMP_TABLES_IN_TEXT_SECTION): Ditto.
19324 * config/arm/aout.h (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
19325 (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump tables.
19326 * config/arm/aof.h (ASM_OUTPUT_ADDR_DIFF_ELT): Output Thumb-2 jump
19328 (ASM_OUTPUT_ADDR_VEC_ELT): Add !Thumb-2 assertion.
19329 * config/arm/ieee754-df.S: Use macros for Thumb-2/Unified asm
19331 * config/arm/ieee754-sf.S: Ditto.
19332 * config/arm/arm.c (thumb_base_register_rtx_p): Rename...
19333 (thumb1_base_register_rtx_p): ... to this.
19334 (thumb_index_register_rtx_p): Rename...
19335 (thumb1_index_register_rtx_p): ... to this.
19336 (thumb_output_function_prologue): Rename...
19337 (thumb1_output_function_prologue): ... to this.
19338 (thumb_legitimate_address_p): Rename...
19339 (thumb1_legitimate_address_p): ... to this.
19340 (thumb_rtx_costs): Rename...
19341 (thumb1_rtx_costs): ... to this.
19342 (thumb_compute_save_reg_mask): Rename...
19343 (thumb1_compute_save_reg_mask): ... to this.
19344 (thumb_final_prescan_insn): Rename...
19345 (thumb1_final_prescan_insn): ... to this.
19346 (thumb_expand_epilogue): Rename...
19347 (thumb1_expand_epilogue): ... to this.
19348 (arm_unwind_emit_stm): Rename...
19349 (arm_unwind_emit_sequence): ... to this.
19350 (thumb2_legitimate_index_p, thumb2_legitimate_address_p,
19351 thumb1_compute_save_reg_mask, arm_dwarf_handle_frame_unspec,
19352 thumb2_index_mul_operand, output_move_vfp, arm_shift_nmem,
19353 arm_save_coproc_regs, thumb_set_frame_pointer, arm_print_condition,
19354 thumb2_final_prescan_insn, thumb2_asm_output_opcode, arm_output_shift,
19355 thumb2_output_casesi): New functions.
19356 (TARGET_DWARF_HANDLE_FRAME_UNSPEC): Define.
19357 (FL_THUMB2, FL_NOTM, FL_DIV, FL_FOR_ARCH6T2, FL_FOR_ARCH7,
19358 FL_FOR_ARCH7A, FL_FOR_ARCH7R, FL_FOR_ARCH7M, ARM_LSL_NAME,
19359 THUMB2_WORK_REGS): Define.
19360 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv, arm_condexec_count,
19361 arm_condexec_mask, arm_condexec_masklen)): New variables.
19362 (all_architectures): Add armv6t2, armv7, armv7a, armv7r and armv7m.
19363 (arm_override_options): Check new CPU capabilities.
19364 Set new architecture flag variables.
19365 (arm_isr_value): Handle v7m interrupt functions.
19366 (user_return_insn): Return 0 for v7m interrupt functions. Handle
19368 (const_ok_for_arm): Handle Thumb-2 constants.
19369 (arm_gen_constant): Ditto. Use movw when available.
19370 (arm_function_ok_for_sibcall): Return false for v7m interrupt
19372 (legitimize_pic_address, arm_call_tls_get_addr): Handle Thumb-2.
19373 (thumb_find_work_register, arm_load_pic_register,
19374 legitimize_tls_address, arm_address_cost, load_multiple_sequence,
19375 emit_ldm_seq, emit_stm_seq, arm_select_cc_mode, get_jump_table_size,
19376 print_multi_reg, output_mov_long_double_fpa_from_arm,
19377 output_mov_long_double_arm_from_fpa, output_mov_double_fpa_from_arm,
19378 output_mov_double_fpa_from_arm, output_move_double,
19379 arm_compute_save_reg_mask, arm_compute_save_reg0_reg12_mask,
19380 output_return_instruction, arm_output_function_prologue,
19381 arm_output_epilogue, arm_get_frame_offsets, arm_regno_class,
19382 arm_output_mi_thunk, thumb_set_return_address): Ditto.
19383 (arm_expand_prologue): Handle Thumb-2. Use arm_save_coproc_regs.
19384 (arm_coproc_mem_operand): Allow POST_INC/PRE_DEC.
19385 (arithmetic_instr, shift_op): Use arm_shift_nmem.
19386 (arm_print_operand): Use arm_print_condition. Handle '(', ')', '.',
19388 (arm_final_prescan_insn): Use extract_constrain_insn_cached.
19389 (thumb_expand_prologue): Use thumb_set_frame_pointer.
19390 (arm_file_start): Output directive for unified syntax.
19391 (arm_unwind_emit_set): Handle stack alignment instruction.
19392 * config/arm/lib1funcs.asm: Remove default for __ARM_ARCH__.
19393 Add v6t2, v7, v7a, v7r and v7m.
19394 (RETLDM): Add Thumb-2 code.
19395 (do_it, shift1, do_push, do_pop, COND, THUMB_SYNTAX): New macros.
19396 * config/arm/arm.h (TARGET_CPU_CPP_BUILTINS): Define __thumb2__.
19397 (TARGET_THUMB1, TARGET_32BIT, TARGET_THUMB2, TARGET_DSP_MULTIPLY,
19398 TARGET_INT_SIMD, TARGET_UNIFIED_ASM, ARM_FT_STACKALIGN, IS_STACKALIGN,
19399 THUMB2_TRAMPOLINE_TEMPLATE, TRAMPOLINE_ADJUST_ADDRESS,
19400 ASM_OUTPUT_OPCODE, THUMB2_GO_IF_LEGITIMATE_ADDRESS,
19401 THUMB2_LEGITIMIZE_ADDRESS, CASE_VECTOR_PC_RELATIVE,
19402 CASE_VECTOR_SHORTEN_MODE, ADDR_VEC_ALIGN, ASM_OUTPUT_CASE_END,
19403 ADJUST_INSN_LENGTH): Define.
19404 (TARGET_REALLY_IWMMXT, TARGET_IWMMXT_ABI, CONDITIONAL_REGISTER_USAGE,
19405 STATIC_CHAIN_REGNUM, HARD_REGNO_NREGS, INDEX_REG_CLASS,
19406 BASE_REG_CLASS, MODE_BASE_REG_CLASS, SMALL_REGISTER_CLASSES,
19407 PREFERRED_RELOAD_CLASS, SECONDARY_OUTPUT_RELOAD_CLASS,
19408 SECONDARY_INPUT_RELOAD_CLASS, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
19409 TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE, HAVE_PRE_INCREMENT,
19410 HAVE_POST_DECREMENT, HAVE_PRE_DECREMENT, HAVE_PRE_MODIFY_DISP,
19411 HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_REG, HAVE_POST_MODIFY_REG,
19412 REGNO_MODE_OK_FOR_BASE_P, LEGITIMATE_CONSTANT_P,
19413 REG_MODE_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P, GO_IF_LEGITIMATE_ADDRESS,
19414 LEGITIMIZE_ADDRESS, THUMB2_LEGITIMIZE_ADDRESS,
19415 GO_IF_MODE_DEPENDENT_ADDRESS, MEMORY_MOVE_COST, BRANCH_COST,
19416 ASM_APP_OFF, ASM_OUTPUT_CASE_LABEL, ARM_DECLARE_FUNCTION_NAME,
19417 FINAL_PRESCAN_INSN, PRINT_OPERAND_PUNCT_VALID_P,
19418 PRINT_OPERAND_ADDRESS): Adjust for Thumb-2.
19419 (arm_arch_notm, arm_arch_thumb2, arm_arch_hwdiv): New declarations.
19420 * config/arm/arm-cores.def: Add arm1156t2-s, cortex-a8, cortex-r4 and
19422 * config/arm/arm-tune.md: Regenerate.
19423 * config/arm/arm-protos.h: Update prototypes.
19424 * config/arm/vfp.md: Enable patterns for Thumb-2.
19425 (arm_movsi_vfp): Add movw alternative. Use output_move_vfp.
19426 (arm_movdi_vfp, movsf_vfp, movdf_vfp): Use output_move_vfp.
19427 (thumb2_movsi_vfp, thumb2_movdi_vfp, thumb2_movsf_vfp,
19428 thumb2_movdf_vfp, thumb2_movsfcc_vfp, thumb2_movdfcc_vfp): New.
19429 * config/arm/libunwind.S: Add Thumb-2 code.
19430 * config/arm/constraints.md: Update include Thumb-2.
19431 * config/arm/ieee754-sf.S: Add Thumb-2/Unified asm support.
19432 * config/arm/ieee754-df.S: Ditto.
19433 * config/arm/bpabi.S: Ditto.
19434 * config/arm/t-arm (MD_INCLUDES): Add thumb2.md.
19435 * config/arm/predicates.md (low_register_operand,
19436 low_reg_or_int_operand, thumb_16bit_operator): New.
19437 (thumb_cmp_operand, thumb_cmpneg_operand): Rename...
19438 (thumb1_cmp_operand, thumb1_cmpneg_operand): ... to this.
19439 * config/arm/t-arm-elf: Add armv7 multilib.
19440 * config/arm/arm.md: Update patterns for Thumb-2 and Unified asm.
19442 (UNSPEC_STACK_ALIGN, ce_count): New.
19443 (arm_incscc, arm_decscc, arm_umaxsi3, arm_uminsi3,
19444 arm_zero_extendsidi2, arm_zero_extendqidi2): New
19446 * config/arm/fpa.md: Update patterns for Thumb-2 and Unified asm.
19447 (thumb2_movsf_fpa, thumb2_movdf_fpa, thumb2_movxf_fpa,
19448 thumb2_movsfcc_fpa, thumb2_movdfcc_fpa): New insns.
19449 * config/arm/cirrus.md: Update patterns for Thumb-2 and Unified asm.
19450 (cirrus_thumb2_movdi, cirrus_thumb2_movsi_insn,
19451 thumb2_cirrus_movsf_hard_insn, thumb2_cirrus_movdf_hard_insn): New
19453 * doc/extend.texi: Document ARMv7-M interrupt functions.
19454 * doc/invoke.texi: Document Thumb-2 new cores+architectures.
19456 2007-01-03 Jakub Jelinek <jakub@redhat.com>
19458 * unwind-dw2.c (SIGNAL_FRAME_BIT, EXTENDED_CONTEXT_BIT): Define.
19459 (struct _Unwind_Context): Rename args_size to flags, remove
19460 signal_frame field, add a new args_size field and version field.
19461 (_Unwind_IsSignalFrame, _Unwind_SetSignalFrame,
19462 _Unwind_IsExtendedContext): New inline functions.
19463 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
19464 Assume by_value array is only present if _Unwind_IsExtendedContext.
19465 (_Unwind_GetIPInfo, execute_cfa_program, uw_frame_state_for): Use
19466 _Unwind_IsSignalFrame.
19467 (__frame_state_for): Initialize context.flags to EXTENDED_CONTEXT_BIT.
19468 (uw_update_context_1): Use _Unwind_SetSignalFrame.
19469 (uw_init_context_1): Initialize context->flags to
19470 EXTENDED_CONTEXT_BIT.
19471 * config/rs6000/linux-unwind.h (frob_update_context): Use
19472 _Unwind_SetSignalFrame.
19474 2007-01-03 Andrew Pinski <andrew_pinski@playstation.sony.com>
19476 PR middle-end/30353
19477 * gimplify.c (gimplify_modify_expr_complex_part): Move below
19478 tree_to_gimple_tuple. Call tree_to_gimple_tuple when we need
19481 2007-01-03 Kazu Hirata <kazu@codesourcery.com>
19483 * config/i386/i386.h (NON_STACK_REG_P, REGNO_OK_FOR_SIREG_P,
19484 REGNO_OK_FOR_DIREG_P, REWRITE_ADDRESS, ASM_OPERAND_LETTER,
19485 RET, AT_SP): Remove.
19486 * config/i386/i386.md (*sse_prologue_save_insn): Use return
19489 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
19490 * cfgbuild.c (find_basic_blocks): Likewise.
19491 * cfgrtl.c (rtl_create_basic_block): Likewise.
19492 * function.c (temp_slots_at_level): Likewise.
19493 * reg-stack.c (stack_regs_mentioned): Likewise.
19494 * regclass.c (allocate_reg_info): Likewise.
19495 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
19496 set_bb_for_stmt, move_block_to_fn): Likewise.
19497 * tree-complex.c (tree_lower_complex): Likewise.
19498 * vec.h (VEC_safe_grow_cleared): New.
19500 * cgraphunit.c, tree-ssa-alias.c: Fix comment typos.
19502 2007-01-03 Zdenek Dvorak <dvorakz@suse.cz>
19504 * loop-unswitch.c (unswitch_loop): Pass probabilities to loopify.
19505 * tree-ssa-loop-unswitch.c (tree_unswitch_loop): Pass probabilities
19507 * cfgloopmanip.c (scale_loop_frequencies): Export.
19508 (loopify): Scale the frequencies by prescribed coefficients.
19509 (set_zero_probability): New function.
19510 (duplicate_loop_to_header_edge): Improve updating of frequencies.
19511 (lv_adjust_loop_entry_edge, loop_version): Set probabilities
19512 and frequencies according to arguments.
19513 * tree-ssa-loop-manip.c (tree_unroll_loop): Set probabilities
19515 * cfg.c (scale_bbs_frequencies_int): Allow scaling the frequencies up.
19516 * modulo-sched.c (sms_schedule): Set probabilities for entering
19517 versioned loop correctly.
19518 * tree-vect-transform.c (vect_transform_loop): Ditto.
19519 * cfgloop.h (loopify, loop_version): Declaration changed.
19520 (scale_loop_frequencies): Declared.
19522 2007-01-02 Jan Hubicka <jh@suse.cz>
19524 * cgraph.c: Include tree-flow.h
19525 (cgraph_add_new-function): Handle IPA_SSA mode; execute
19526 early_local_passes.
19527 * cgraph.h (enum cgraph_state): Add CGRAPH_STATE_IPA_SSA.
19528 * tree-pass.h (pass_all_early_optimizations): Declare.
19529 * cgraphunit.c (cgraph_process_new_functions): Add IPA_SSA; execute
19530 early_local_passes.
19531 (cgraph_analyze_function): Do early_local_passes.
19532 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
19533 Do not add referenced vars.
19534 * tree-optimize.c (gate_all_optimizations): Do not execute when not in
19536 (gate_all_early_local_passes): New gate.
19537 (pass_early_local_passes): Use new gate.
19538 (execute_early_local_optimizations): New functions.
19539 (gate_all_early_optimizations): New gate.
19540 (pass_all_early_optimizations): New pass.
19541 (execute_free_datastructures): Free SSA only when initialized.
19542 (gate_init_datastructures): Init only when optimizing.
19543 (tree_lowering_passes): Do early local passes when called late.
19544 * tree-profile.c (do_tree_profiling): Don't profile functions added
19546 (do_early_tree_profiling, pass_early_tree_profile): Kill.
19547 * tree-cfg.c (update_modified_stmts): Do not update when operands are
19549 * passes.c (init_optimizations_passes): Reorder so we go into SSA
19550 during early_local_passes.
19551 * Makefile.in (cgraph.o): Add dependency on tree-flow.h.
19554 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
19556 * Makefile.in: Update copyright year.
19558 2007-01-02 Carlos O'Donell <carlos@codesourcery.com>
19560 * Makefile.in: Export GCC_EXEC_PREFIX before calling $(RUNTEST)
19561 in $(lang_checks) and check-consistency targets.
19563 2007-01-02 Jan Hubicka <jh@suse.cz>
19565 * tree-mudflap.c (mf_decl_cache_locals, mf_build_check_statement_for):
19566 Do not add referenced vars.
19567 * tree-cfg.c (update_modified_stmts): Do not update when SSA operands
19569 * passes.c (init_optimization_passes): Put mudflap_2 after
19570 free_datastructures.
19572 2007-01-02 Jan Hubicka <jh@suse.cz>
19574 * tree-optimize (execute_fixup_cfg): Set after_inlining flag.
19575 Set NOTHROW flag on call statements proved to be nothrow.
19576 Update statement of local calls so new pure/const functions are
19577 updated. Update_ssa when in ssa form. Mark PHI nodes of nonlocal
19579 (tree_rest_of_compilation): Register hooks and initialize bitmap
19580 early. Do not set after_inlining flag.
19582 2007-01-02 Steve Ellcey <sje@cup.hp.com>
19584 * sbitmap.c (HOST_BITS_PER_LONG_LONG): Change to
19585 HOST_BITS_PER_LONGLONG
19587 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
19590 * c-typeck.c (store_init_value): Don't emit pedantic overflow
19591 warning for non-static initializers.
19593 2007-01-02 Steven Bosscher <steven@gcc.gnu.org>
19595 * config/alpha/alpha.md, arm/arm.c, darwin.c, frv/frv.md,
19596 m32r/m32r.c, m32r/m32r.c, mn10300/mn10300.md, pa/pa.c,
19597 rs6000/rs6000.c, s390/s390.md, sh/sh.md, sparc/sparc.c:
19598 Always use set_unique_reg_note to add REG_EQUAL notes.
19600 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
19603 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
19605 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
19606 * cfgbuild.c (find_basic_blocks): Likewise.
19607 * cfgrtl.c (rtl_create_basic_block): Likewise.
19608 * function.c (temp_slots_at_level): Likewise.
19609 * reg-stack.c (stack_regs_mentioned): Likewise.
19610 * regclass.c (allocate_reg_info): Likewise.
19611 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
19612 set_bb_for_stmt, move_block_to_fn): Likewise.
19613 * tree-complex.c (tree_lower_complex): Likewise.
19614 * vec.h (VEC_safe_grow_cleared): New.
19616 2007-01-02 Ian Lance Taylor <iant@google.com>
19618 * c-common.c (c_common_truthvalue_conversion): When warning about
19619 using an assignment as a truth value, set TREE_NO_WARNING.
19621 2007-01-02 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
19624 * c.opt (Wold-style-declaration): New.
19625 * doc/invoke.texi (C-only Warning Options): New.
19626 (Wold-style-declaration): Document it.
19627 (Wextra): Enabled by -Wextra.
19628 * c-opts.c (c_common_post_options): Enabled by -Wextra.
19629 * c-decl.c (declspecs_add_scspec): Replace -Wextra with
19630 -Wold-style-declaration.
19632 2007-01-02 Kazu Hirata <kazu@codesourcery.com>
19634 * alias.c (init_alias_analysis): Use VEC_safe_grow_cleared.
19635 * cfgbuild.c (find_basic_blocks): Likewise.
19636 * cfgrtl.c (rtl_create_basic_block): Likewise.
19637 * function.c (temp_slots_at_level): Likewise.
19638 * reg-stack.c (stack_regs_mentioned): Likewise.
19639 * regclass.c (allocate_reg_info): Likewise.
19640 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb,
19641 set_bb_for_stmt, move_block_to_fn): Likewise.
19642 * tree-complex.c (tree_lower_complex): Likewise.
19643 * vec.h (VEC_safe_grow_cleared): New.
19645 2007-01-02 Douglas Gregor <doug.gregor@gmail.com>
19647 * c-common.c (c_common_nodes_and_builtins): Since variants of
19648 void_type_node get built before it is given a name, we need to
19649 give those variants the name, too.
19650 (complete_array_type): We need to work with the canonical main
19651 type of the array, from which we will build the qualified version.
19652 * params.def (PARAM_VERIFY_CANONICAL_TYPES): New.
19653 * print-tree.c (print_node): Display canonical type information
19655 * stor-layout.c (layout_type): When we don't know the
19656 alignment of a type for which we're building an array, we end up
19657 guessing wrong, so make the type require structural equality.
19658 * tree.c (make_node_stat): When we build a new type, it is its
19659 own canonical type.
19660 (build_type_attribute_qual_variant): When building an attribute
19661 variant, its canonical type is the non-attribute variant. However,
19662 if the attributes are target-dependent and they differ, we need to
19663 use structural equality checks for this type.
19664 (build_qualified_type): A qualified type is not equivalent to its
19665 unqualified variant; set the canonical type appropriately.
19666 (build_distinct_type_copy): When building a distinct type from
19667 another type, the new type is its own canonical type.
19668 (build_variant_type_copy): When building a new type variant, we
19669 assume that it is equivalent to the original type.
19670 (build_pointer_type_for_mode): When building a pointer type, also
19671 build a canonical type pointer.
19672 (build_reference_type_for_mode): When building a reference type,
19673 also build a canonical type reference.
19674 (build_index_type): When we can't hash an index type (e.g.,
19675 because its maximum value is negative), the index type requires
19676 structural equality tests.
19677 (build_array_type): Build the canonical form of an array type.
19678 (build_function_type): Function types require structural equality,
19679 because they contain default arguments, attributes, etc.
19680 (build_method_type_directly): Ditto for method types.
19681 (build_offset_type): Build the canonical offset type.
19682 (build_complex_type): Build the canonical vector type.
19683 (make_vector_type): Build the canonical vector type.
19684 * tree.h (TYPE_CANONICAL): New.
19685 (TYPE_STRUCTURAL_EQUALITY_P): New.
19686 (SET_TYPE_STRUCTURAL_EQUALITY): New.
19687 (struct tree_type): Added "canonical" field.
19688 * params.h (VERIFY_CANONICAL_TYPES): New.
19689 * doc/c-tree.texi (TYPE_CANONICAL): Document.
19690 (TYPE_STRUCTURAL_EQUALITY_P): Document.
19691 (SET_TYPE_STRUCTURAL_EQUALITY): Document.
19692 * doc/invoke.texi (verify-canonical-types): Document --param
19693 parameter for verifying canonical types.
19695 2007-01-02 Joseph Myers <joseph@codesourcery.com>
19697 * config.gcc (powerpc-*-eabispe*, powerpc-*-eabisimaltivec*,
19698 powerpc-*-eabisim*, powerpc-*-eabialtivec*, powerpc-*-eabi*,
19699 powerpc-*-rtems*, powerpc-wrs-vxworks, powerpc-wrs-vxworksae,
19700 powerpcle-*-eabisim*, powerpcle-*-eabi*): Add rs6000/e500.h to
19702 * config/rs6000/e500.h: New.
19703 * config/rs6000/eabi.h (TARGET_SPE_ABI, TARGET_SPE, TARGET_E500,
19704 TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE, TARGET_E500_DOUBLE):
19706 * config/rs6000/linuxspe.h (TARGET_SPE_ABI, TARGET_SPE,
19707 TARGET_E500, TARGET_ISEL, TARGET_FPRS, TARGET_E500_SINGLE,
19708 TARGET_E500_DOUBLE): Remove.
19709 * config/rs6000/vxworks.h (TARGET_SPE_ABI, TARGET_SPE,
19710 TARGET_E500, TARGET_ISEL, TARGET_FPRS): Remove.
19711 * config/rs6000/rs6000.h (CHECK_E500_OPTIONS): Define.
19712 * config/rs6000/rs6000.c (rs6000_override_options): Use
19713 CHECK_E500_OPTIONS.
19715 2007-01-02 Joseph Myers <joseph@codesourcery.com>
19717 * config/rs6000/rs6000.c (print_operand): Check (TARGET_SPE ||
19718 TARGET_E500_DOUBLE), not TARGET_E500, for %y.
19719 (rs6000_generate_compare, rs6000_emit_sCOND, output_cbranch,
19720 rs6000_emit_cmove): Don't check TARGET_E500.
19721 * config/rs6000/rs6000.md (bunordered, bordered, sunordered,
19722 sordered): Don't check TARGET_E500.
19724 2007-01-01 Eric Christopher <echristo@apple.com>
19726 * config/mips/mips.c (mips_regno_mode_ok_for_base_p): Use
19727 HARD_REGISTER_NUM_P.
19729 2007-01-01 Roger Sayle <roger@eyesopen.com>
19731 * fold-const.c (fold_binary) <EQ_EXPR>: Fold "(X^C1) eq/ne C2" into
19732 "X eq/ne (C1^C2)". Fold "(X^Z) eq/ne (Y^Z)" as "X eq/ne Y" when Z
19733 has no side-effects. Fold "(X^C1) eq/ne (Y^C2)" as "(X^(C1^C2))
19736 2007-01-01 Mike Stump <mrs@apple.com>
19738 * configure.ac: Remove support for building with Apple's gcc-3.1.
19740 2007-01-02 Joseph Myers <joseph@codesourcery.com>
19742 PR middle-end/30311
19743 * caller-save.c (add_stored_regs): Only handle SUBREGs if inner
19744 REG is a hard register. Do not modify REG before calling
19746 * rtlanal.c (subreg_get_info): Don't assert size of XMODE is a
19747 multiple of the size of YMODE for certain lowpart cases.
19749 2007-01-01 Andrew Pinski <pinskia@gmail.com>
19751 PR middle-end/30253
19752 * gimplify (voidify_wrapper_expr): Update for
19753 GIMPLE_MODIFY_STMT.
19755 2007-01-01 Andreas Schwab <schwab@suse.de>
19758 * config/ia64/ia64.c (ia64_compute_frame_size): Account space for
19759 save of BR0 in extra_spill_size instead of spill_size.
19760 (ia64_expand_prologue): Save BR0 outside of the gr/br/fr spill
19762 (ia64_expand_epilogue): Restore BR0 from its new location.
19764 2007-01-01 Andrew Pinski <pinskia@gmail.com>
19766 * gimplify.c (gimplify_init_constructor <case VECTOR_TYPE>):
19767 Use a temporary variable if the left hand side is not a gimple
19770 2007-01-01 Andrew Pinski <pinskia@gmail.com>
19772 * gimplify.c (gimplify_return_expr): Make the temporary variable
19773 for the return expression, a gimple register variable.
19775 2007-01-01 Jan Hubicka <jh@suse.cz>
19777 * emit-rtl.c (emit_copy_of_insn_after): Do not call copy_insn_1 for
19780 2007-01-01 Mike Stump <mrs@apple.com>
19782 * configure.ac (HAVE_GAS_LITERAL16): Add autoconf check for
19784 * config/darwin.c (machopic_select_rtx_section): Use
19785 HAVE_GAS_LITERAL16.
19786 (darwin_mergeable_constant_section): Likewise.
19787 * configure: Regenerate.
19788 * config.in: Regenerate.
19790 2007-01-01 Jan Hubicka <jh@suse.cz>
19791 Andrew Pinski <pinskia@gmail.com>
19793 * cgraphunit.c (cgraph_optimize): Call cgraph_add_new_functions
19794 before starting IPA passes.