+2007-07-23 Daniel Berlin <dberlin@dberlin.org>
+
+ * tree-ssa-propagate.c (valid_gimple_expression_p): Match up with
+ ccp_min_invariant.
+
+2007-07-23 Peter Bergner <bergner@vnet.ibm.com>
+ Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/PR28690
+ * optabs.c (expand_binop): (emit_cmp_and_jump_insns): Allow EQ compares.
+ * rtlanal.c (commutative_operand_precedence): Prefer both REG_POINTER
+ and MEM_POINTER operands over REG and MEM operands.
+ (swap_commutative_operands_p): Change return value to bool.
+ * rtl.h: Update the corresponding prototype.
+ * tree-ssa-address.c (gen_addr_rtx): Use simplify_gen_binary
+ instead of gen_rtx_PLUS.
+ * simplify-rtx.c (simplify_plus_minus_op_data_cmp): Change return
+ value to bool. Change function arguments to rtx's and update code
+ to match.
+ (simplify_plus_minus): Update the simplify_plus_minus_op_data_cmp
+ calls to match the new declaration.
+ * simplify-rtx.c (simplify_associative_operation): Don't
+ reorder simplify_binary_operation arguments.
+
+2007-07-23 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips.c (override_options): Use mips_costs to derive
+ the default branch cost.
+ * config/mips/mips.h (BRANCH_COST): Use mips_branch_cost rather
+ than mips_costs.
+ * config/mips/mips.opt (mbranch-cost=): New option.
+ * doc/invoke.texi (-mbrach-cost): Document new MIPS option.
+
+2007-07-23 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips.h (GR_REG_CLASS_P, COP_REG_CLASS_P): Delete.
+ (SECONDARY_MEMORY_NEEDED): Delete commented-out definition.
+ * config/mips/mips.c (mips_register_move_cost): Use reg_class_subset_p
+ instead of GR_REG_CLASS_P and COP_REG_CLASS_P.
+
+2007-07-23 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/constraints.md (ks): New constraint.
+ * config/mips/mips.md (*add<mode>3_sp1, *add<mode>3_sp2): Fold into...
+ (*add<mode>3_mips16): ...here.
+
+2007-07-21 Uros Bizjak <ubizjak@gmail.com>
+
+ * optabs.h (enum optab_index): Add new OTI_signbit.
+ (signbit_optab): Define corresponding macro.
+ (enum insn_code signbit_optab[]): Remove array.
+ * optabs.c (init_optabs): Initialize signbit_optab using init_optab.
+ (expand_copysign_absneg): If back end provides signbit insn, use it
+ instead of bit operations on floating point argument.
+ * builtins.c (enum insn_code signbit_optab[]): Remove array.
+ (expand_builtin_signbit): Check signbit_optab->handlers[].insn_code for
+ availability of signbit insn.
+
+ * config/i386/i386.md (signbit<mode>2): New insn pattern to implement
+ signbitf, signbit and signbitl built-ins as inline x87 intrinsics when
+ SSE mode is not active.
+ (isinf<mode>2): Disable for mfpmath=sse,387.
+
+2007-07-22 Ben Elliston <bje@au.ibm.com>
+
+ * regclass.c (invalid_mode_change_p): Attach ATTRIBUTE_UNUSED to
+ `class' parameter.
+ * struct-equiv.c (note_local_live): Likewise for `y_regno'.
+
+2007-07-20 Richard Guenther <rguenther@suse.de>
+
+ * tree-cfg.c (verify_expr): COND_EXPRs can have any
+ integral typed condition.
+ * tree-ssa.c (useless_type_conversion_p): Do not preserve
+ booleanness. Only preserve conversions from a non-base
+ type to a base type, not in general between types with
+ different TYPE_MIN_VALUE or TYPE_MAX_VALUE.
+ * tree.def (COND_EXPR): Document that the condition
+ can be of any integral type.
+
+2007-07-20 Nigel Stephens <nigel@mips.com>
+ Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips.h (mips_dwarf_regno): Declare.
+ (DBX_REGISTER_NUMBER): Remove redundant brackets.
+ (HI_REGNUM, LO_REGNUM): Define in an endian-dependent way.
+ (AC1HI_REGNUM, AC1LO_REGNUM, AC2HI_REGNUM, AC2LO_REGNUM)
+ (AC3HI_REGNUM, AC3LO_REGNUM, ACC_HI_REG_P): Delete.
+ (reg_class): Rename HI_REG to MD0_REG and LO_REG to MD1_REG.
+ (REG_CLASS_NAMES): Update accordingly.
+ * config/mips/mips.c (mips_dwarf_regno): New array.
+ (mips_regno_to_class): Rename HI_REG to MD0_REG and LO_REG to MD1_REG.
+ (mips_subword): Remove special handling for accumulator registers.
+ (override_options): Initiailize mips_dwarf_regno. Remove use
+ of ACC_HI_REG_P.
+ (mips_swap_registers): New function.
+ (mips_conditional_register_usage): Swap accumulator registers
+ around if TARGET_LITTLE_ENDIAN.
+ (mips_cannot_change_mode_class): Remove special treatment of ACC_REGS.
+ * config/mips/constraints.md (h, l): Use the endianness to choose
+ between MD0_REG and MD1_REG.
+ * config/mips/mips.md (*mfhilo_<mode>_macc): Use a fixed-string,
+ alternative-dependent template.
+
+2007-07-20 Richard Sandiford <richard@codesourcery.com>
+
+ * config/arm/arm.md (movsi): Use can_create_pseudo_p instead of
+ no_new_pseudos.
+
+2007-07-20 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * function.c (thread_prologue_and_epilogue_insns): Fix exit
+ predecessor fallthru flags.
+
+2007-07-20 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * tree-ssa-loop-niter.c (assert_loop_rolls_lt): Convert the operands
+ of compare to the same type.
+ * cfgloopmanip.c (add_loop): Update information about loop exits.
+ (loop_version): Remove the innermost loop requirement.
+ * tree-ssa-loop-manip.c (determine_exit_conditions): Convert bounds
+ to sizetype for pointers.
+
+2007-07-18 H.J. Lu <hongjiu.lu@intel.com>
+
+ * Makefile.in (D32PBIT_FUNCS): Add _sd_to_tf and _tf_to_sd.
+ (D64PBIT_FUNCS): Add _dd_to_tf and _tf_to_dd.
+ (D128PBIT_FUNCS): Add _td_to_tf and _tf_to_td.
+
+ * config/dfp-bit.c: Empty for TFmode conversions.
+
+2007-07-18 Caroline Tice <ctice@apple.com>
+
+ * var-tracking.c (find_src_status): Check for COND_EXEC insns
+ and handle them correctly; check that src is not NULL before
+ trying to use it.
+ (find_src_set_src): Likewise.
+
+2007-07-18 Bob Wilson <bob.wilson@acm.org>
+
+ * config/xtensa/xtensa.c (xtensa_expand_mask_and_shift): New.
+ (struct alignment_context, init_alignment_context): New.
+ (xtensa_expand_compare_and_swap, xtensa_expand_atomic): New.
+ * config/xtensa/xtensa.h (XCHAL_HAVE_RELEASE_SYNC): Add default.
+ (XCHAL_HAVE_S32C1I): Likewise.
+ (TARGET_RELEASE_SYNC, TARGET_S32C1I): New.
+ * config/xtensa/xtensa.md (UNSPECV_MEMW): New constant.
+ (UNSPECV_S32RI, UNSPECV_S32C1I): Likewise.
+ (ATOMIC, HQI): New macros.
+ (memory_barrier, *memory_barrier): New.
+ (sync_lock_releasesi): New.
+ (sync_compare_and_swapsi, sync_compare_and_swap<mode>): New.
+ (sync_lock_test_and_set<mode>): New.
+ (sync_<atomic><mode>): New.
+ (sync_old_<atomic><mode>, sync_new_<atomic><mode>): New.
+ * config/xtensa/xtensa-protos.h (xtensa_expand_compare_and_swap): New.
+ (xtensa_expand_atomic): New.
+
+2007-07-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ PR target/30652
+
+ * builtins.c (expand_builtin_interclass_mathfn): Provide a generic
+ transformation for builtin ISNORMAL.
+ (expand_builtin): Handle BUILT_IN_ISNORMAL.
+ * builtins.def (BUILT_IN_ISNORMAL): New.
+ * doc/extend.texi: Document isnormal.
+
+2007-07-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ PR target/30652
+
+ * builtins.c (expand_builtin_interclass_mathfn): Allow for missing
+ optabs infrastructure. Provide generic implementation for
+ FINITE/ISFINITE.
+ (expand_builtin): Handle FINITE/ISFINITE.
+ (fold_builtin_classify): Make ISFINITE canonical instead of FINITE.
+ (fold_builtin_1): Likewise.
+
+ * builtins.def (BUILT_IN_ISFINITE): New.
+
+ * doc/extend.texi: Document isfinite.
+
+2007-07-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ PR target/30652
+ PR middle-end/20558
+
+ * builtins.c (expand_builtin_interclass_mathfn): Provide a
+ generic fallback for isinf.
+ * c-cppbuiltin.c (builtin_define_float_constants): Move FP max
+ calculation code ...
+ * real.c (get_max_float): ... to here.
+ * real.h (get_max_float): New.
+
+2007-07-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
+
+ PR middle-end/32668
+
+ * builtin-attrs.def (ATTR_TYPEGENERIC,
+ ATTR_CONST_NOTHROW_TYPEGENERIC): New.
+
+ * builtins.def (BUILT_IN_ISINF, BUILT_IN_ISNAN,
+ BUILT_IN_ISGREATER, BUILT_IN_ISGREATEREQUAL, BUILT_IN_ISLESS,
+ BUILT_IN_ISLESSEQUAL, BUILT_IN_ISLESSGREATER,
+ BUILT_IN_ISUNORDERED): Use ATTR_CONST_NOTHROW_TYPEGENERIC.
+
+ * c-common.c (handle_type_generic_attribute): New.
+ (c_common_attribute_table): Add "type generic".
+
+ * c-typeck.c (convert_arguments): Handle "type generic" functions.
+
+2007-07-18 Daniel Berlin <dberlin@dberlin.org>
+
+ * tree-ssa-sccvn.c (try_to_simplify): Use valid_gimple_expression
+ * tree-ssa-propagate (valid_gimple_expression): Handle ADDR_EXPR
+ properly.
+
+2007-07-18 Rask Ingemann Lambertsen <rask@sygehus.dk>
+
+ PR target/32808
+ * config/cris/cris.c (cris_print_index): Don't use XEXP before
+ checking that the operand is an expression.
+
+2007-07-19 Christoph von Wittich <Christoph_vW@reactos.org>
+ Danny Smith <dannysmith@users.sourceforge.net>
+
+ PR/other 30335
+ * config/i386/host-mingw32.c (mingw32_gt_pch_use_address): Put
+ file mapping object in local namespace if Windows version later
+ than NT4
+
+2007-07-18 Richard Sandiford <richard@codesourcery.com>
+
+ * config/arm/arm-protos.h (arm_cannot_force_const_mem): Declare.
+ * config/arm/arm.c (TARGET_CANNOT_FORCE_CONST_MEM): Redefine to
+ arm_cannot_force_const_mem.
+ (arm_cannot_force_const_mem): New function.
+ * config/arm/arm.h (ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): New macro.
+ (LEGITIMATE_CONSTANT_P): Test arm_cannot_force_const_mem instead
+ of arm_tls_referenced_p.
+ * config/arm/arm.md (movsi): Split out-of-section constants when
+ ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P.
+ * config/arm/vxworks.h (ARM_OFFSETS_MUST_BE_WITHIN_SECTIONS_P): Define.
+
+2007-07-18 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips.md (clear_cache): Treat the size argument as Pmode.
+
+2007-07-18 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips.md (*extendqihi2): Convert the destination
+ to SImode.
+
+2007-07-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ * config/pa/fptr.c: Update license header.
+ * config/pa/milli64.S: Likewise.
+
+2007-07-17 Nick Clifton <nickc@redhat.com>
+
+ * COPYING_v3: New file. Contains version 3 of the GNU General
+ Public License.
+ * COPYING.LIB_v3: New file. Contains version 3 of the GNU
+ Lesser General Public License.
+ * doc/include/gpl_v3.texi: New file. Contains version 3 of
+ the GNU General Public License.
+
+2007-07-17 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR rtl-optimization/32773
+ * cfglayout.c (force_one_exit_fallthru): New function.
+ (cfg_layout_finalize): Use it.
+
+2007-07-16 Richard Guenther <rguenther@suse.de>
+ Uros Bizjak <ubizjak@gmail.com>
+
+ * tree-if-conv.c (find_phi_replacement_condition): Unshare "*cond"
+ before forcing it to gimple operand.
+
+2007-07-16 Sandra Loosemore <sandra@codesourcery.com>
+ David Ung <davidu@mips.com>
+
+ * config/mips/mips.h (TUNE_24K): Define.
+ (TUNE_MACC_CHAINS): Add TUNE_24K.
+ * config/mips/mips.md: (*mul_acc_si, *mul_sub_si): Change type to
+ imadd.
+ * config/mips/74k.md (r74k_int_mult): Split madd/msub to ..
+ (r74k_int_madd): .. this new reservation.
+ (define_bypass): Fixed bypasses for r74k_int_madd to use
+ mips_linked_madd_p.
+ * config/mips/24k.md (define_bypass): Define new
+ r24k_int_mul3->r24k_int_madd bypass using mips_linked_madd_p.
+
+2007-07-16 Sandra Loosemore <sandra@codesourcery.com>
+ Nigel Stephens <nigel@mips.com>
+
+ * config/mips/mips.md: Include 20kc.md.
+ * config/mips/20kc.md: New file.
+ * config/mips/mips.c (mips_rtx_cost_data): Fill in 20Kc costs.
+ (mips_adjust_cost): Tweak for 20Kc.
+ (mips_issue_rate): Likewise.
+ * config/mips/mips.h (TUNE_20KC): Define.
+
+2007-07-16 David Edelsohn <edelsohn@gnu.og>
+
+ * config/rs6000/rs6000.c (struct processor_cost): Add
+ cache_line_size, l1_cache_lines, and simultaneous_prefetches
+ fields.
+ (*_cost): Add cache information.
+ (rs6000_override_options): Set cache parameters.
+
+2007-07-16 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ PR bootstrap/3456
+ * config.gcc (mips-sgi-irix[56]*): Enable pthread support.
+ * doc/install.texi (mips-sgi-irix6): pthread support works now.
+
+2007-07-16 Paul Brook <paul@codesourcery.com>
+
+ PR target/32753
+ * config/arm/cirrus.md (cirrus_arm_movsi_insn): Remove dead insn.
+ (cirrus_thumb2_movsi_insn): Ditto.
+
+2007-07-15 Geoffrey Keating <geoffk@apple.com>
+
+ * config/rs6000/darwin-fallback.c (interpret_libc): Change
+ CR2_REGNO to R_CR2.
+
+2007-07-15 Andrew Haley <aph@redhat.com>
+
+ * unwind-sjlj.c (_Unwind_GetIPInfo): Check for context->fc != NULL
+ before looking in the context.
+
+2007-07-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
+
+ PR middle-end/32398
+ PR middle-end/32769
+ * pa-protos.h (pa_eh_return_handler_rtx): Declare.
+ * pa.c (pa_extra_live_on_entry, rp_saved): Declare.
+ (TARGET_EXTRA_LIVE_ON_ENTRY): Define.
+ (pa_output_function_prologue): Use rp_saved and current_function_is_leaf
+ to generate .CALLINFO statement.
+ (hppa_expand_prologue): Set rp_saved.
+ (hppa_expand_epilogue): Use rp_saved.
+ (pa_extra_live_on_entry, pa_eh_return_handler_rtx): New functions.
+ * pa.h (EH_RETURN_HANDLER_RTX): Use pa_eh_return_handler_rtx.
+
+2007-07-14 Dirk Mueller <dmueller@suse.de>
+
+ * omega.c (coalesce): Fix memory leak on early exit.
+ * matrix-reorg.c (check_allocation_function): Likewise.
+ * tree-vect-transform.c (vect_get_new_vect_var): free result
+ of concat().
+ * bb-reorder.c (find_rarely_executed_basic_blocks_and_crossing_edges):
+ pass pointer to edge vector
+ (partition_hot_cold_basic_blocks): Fix memory leak.
+ * collect2.c (prefix_from_string): Free temporary storage.
+ * reload1.c (fixup_abnormal_edges): Free sbitmap.
+
+2007-07-14 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh.h (DO_GLOBAL_CTORS_BODY): Add void to prototype.
+ (DO_GLOBAL_DTORS_BODY): Likewise.
+
+2007-07-14 Sandra Loosemore <sandra@codesourcery.com>
+ Nigel Stephens <nigel@mips.com>
+
+ * config/mips/mips.c (mips_classify_symbol): Don't return
+ SYMBOL_SMALL_DATA for constant pool addresses if
+ TARGET_EMBEDDED_DATA is true.
+
+2007-07-14 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/i386.c (init_mmx_sse_builtins): Define all builtins
+ except __builtin_ia32_emms, __builtin_ia32_ldmxcsr,
+ __builtin_ia32_stmxcsr, __builtin_ia32_maskmovq, __builtin_ia32_loadups,
+ __builtin_ia32_storeups, __builtin_ia32_loadhps, __builtin_ia32_loadlps,
+ __builtin_ia32_storehps, __builtin_ia32_storelps,
+ __builtin_ia32_movntps, __builtin_ia32_movntq, __builtin_ia32_sfence,
+ __builtin_ia32_femms, __builtin_ia32_maskmovdqu, __builtin_ia32_loadupd,
+ __builtin_ia32_storeupd, __builtin_ia32_loadhpd, __builtin_ia32_loadlpd,
+ __builtin_ia32_movnti, __builtin_ia32_movntpd, __builtin_ia32_movntdq,
+ __builtin_ia32_clflush, __builtin_ia32_lfence, __builtin_ia32_mfence,
+ __builtin_ia32_loaddqu, __builtin_ia32_storedqu, __builtin_ia32_monitor,
+ __builtin_ia32_mwait, __builtin_ia32_lddqu, __builtin_ia32_movntdqa,
+ __builtin_ia32_movntsd and __builtin_ia32_movntss as const builtins
+ using def_builtin_const.
+
+2007-07-14 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR tree-optimization/32705
+ * tree-ssa-sccvn.c (set_ssa_val_to): Accept VN_TOP as value number.
+ (simplify_binary_expression): Use SSA_VAL consistently.
+
+2007-07-13 David Edelsohn <edelsohn@gnu.org>
+
+ * config/rs6000/spe.md (SPE_ACC_REGNO): Delete definition.
+ (SPEFSCR_REGNO): Delete definition.
+ * config/rs6000/rs6000.c: LINK_REGISTER_REGNUM -> LR_REGNO.
+ COUNT_REGISTER_REGNUM -> CTR_REGNO.
+ * config/rs6000/rs6000.h: Do not define *_REGNO.
+ LINK_REGISTER_REGNUM -> LR_REGNO.
+ COUNT_REGISTER_REGNUM -> CTR_REGNO.
+ * config/rs6000/predicates.md: LINK_REGISTER_REGNUM -> LR_REGNO.
+ COUNT_REGISTER_REGNUM -> CTR_REGNO.
+ * config/rs6000/linux-unwind.h: Define R_LR, R_CR2, R_VR0,
+ R_VRSAVE, R_VSCR. Use them.
+ * config/rs6000/darwin-fallback.c: Define R_LR, R_CTR, R_CR2,
+ R_XER, R_VR0, R_VRSAVE, R_VSCR, R_SPEFSCR. Use them.
+ * config/rs6000/rs6000.md: Define REGNO constants. Use them.
+ * config/rs6000/aix.h: Define R_LR. Use it.
+
+2007-07-13 Caroline Tice <ctice@apple.com>
+
+ * toplev.c (process_options): Turn flag_var_tracking_uninit off when
+ flag_var_tracking is explicitly turned off (i.e. when variable
+ tracking is not feasible); otherwise, turn flag_var_tracking on when
+ flag_var_tracking_uninit is on.
+ * rtl.def (VAR_LOCATION): Add a new integer subfield to VAR_LOCATION
+ note definitions, to allow recording of initialization status in the
+ notes.
+ * dwarf2out.c (dwarf_stack_op_name): Add case for DW_OP_GNU_uninit.
+ (add_var_loc_to_decl): Add comparison of NOTE_VAR_LOCATION_STATUS to
+ determine if two note locations are equal.
+ (output_loc_list): Don't output list entries whose start & end labels
+ are the same.
+ (reg_loc_descriptor): Add parameter for initialization status; pass it
+ to other loc descriptor functions.
+ (one_reg_loc_descriptor): Add parameter for initialization status;
+ check its value and add DW_OP_GNU_uninit to returned loc descr if
+ appropriate.
+ (multiple_reg_loc_descriptor): Add parameter for initialization
+ status;
+ pass init status argument to other loc descriptor functions; check
+ value of intialization parameter and add DW_OP_GNU_uninit to returned
+ loc descr if appropriate.
+ (based_loc_descr): Add parameter for initialization status; add new
+ variable for return value; check value of initialization parameter and
+ add DW_OP_GNU_uninit to returned loc descr if appropriate.
+ (concatn_mem_loc_descriptor): Add parameter for initialization status;
+ pass init status argument to other loc descriptor functions; check
+ value of intialization parameter and add DW_OP_GNU_uninit to returned
+ loc descr if appropriate.
+ (mem_loc_descriptor): Likewise.
+ (concat_loc_descriptor): Likewise.
+ (concatn_loc_descriptor): Likewise.
+ (loc_descriptor): Add parameter for initialization status; pass it as
+ argument to other loc descriptor function calls.
+ (loc_descriptor_from_tree_1): Add appropriate initialization status
+ to loc descriptor function calls.
+ (add_location_or_const_value_attribute): Get initialization status
+ from VAR_LOCATION note; add initialization status to loc descriptor
+ function calls.
+ * dwarf2.h (enum dwarf_location_atom): New op, DW_OP_GNU_uninit.
+ * print-rtl.c (print_rtx): When printing a VAR_LOCATION note, if
+ status is uninitialized, add "[uninint]" to output.
+ * common.opt (fvar-tracking-uninit): New option, similar to
+ fvar-tracking, to turn on tracking of uninitialized variables; creates
+ a new global flag, flag_var_tracking_uninit.
+ * rtl.h (NOTE_VAR_LOCATION_STATUS): New macro for accessing new field.
+ (enum var_init_status): New type, for var initialization status field.
+ * var-tracking.c (struct location_chain_def): Two new fields, init,
+ for initialization status, and set_src for the assignment value expr.
+ (unshare_variable): New parameter for initialization status;
+ initialize new init and set_src fields.
+ (var_reg_set): New parameters for initialization status and value;
+ pass them to set_variable_part.
+ (var_mem_set): Likewise.
+ (get_init_value): New function.
+ (var_reg_delete_and_set): New initialization status & value
+ parameters; add call to get_init_value if status is unknown; pass new
+ parameters to clobber_variable_part and var_reg_set.
+ (var_mem_delete_and_set): Likewise.
+ (var_reg_delete): Pass null set_src value to clobber_variable_part.
+ (var_mem_delete): Likewise.
+ (variable_union): Pass status to unshare_variable; initialize new init
+ and set_src fields. If flag_var_tracking_uninit is not set, force
+ status to initialized.
+ (add_stores): Store insn, rather than NEXT_INSN(insn), so it can be
+ used later to get the set_src value.
+ (find_src_status): New function.
+ (find_src_set_src): New function.
+ (compute_bb_dataflow): Pass init status to calls to var_reg_set,
+ var_mem_set, var_reg_delete_and_set and var_mem_delete_and_set; for
+ MO_SET, get set_src value and pass it to var_reg_delete_and_set
+ and var_mem_delete_and_set.
+ (dump_variable): Print out "[uninit]" if appropriate.
+ (set_variable_part): Add new initialization and set_src parameters;
+ pass status to unshare_variable; set node->init and node- >set_src
+ fields and modify slot in hash table appropriately; save the init and
+ set_src values if appropriate and assign to the new node.
+ (clobber_variable_part): New set_src parameter; if two nodes have
+ same variable and same location but different set_src (assignment)
+ values, clobber old node.
+ (delete_variable_part): Pass init status to unshare_variable.
+ (emit_note_insn_var_location): Add initialized var; assign var's init
+ status to new 'initialized'; pass new init status field to calls to
+ gen_rtx_VAR_LOCATION. If flag_var_tracking_uninit is not set, force
+ status to initialized.
+ (emit_notes_in_bb): Pass initialization status to calls to
+ var_reg_set, var_mem_set, var_reg_delete_and_set and
+ var_mem_delete_and_set; for MO_SET, get set_src value and pass it to
+ var_reg_delete_and_set and var_mem_delete_and_set; call
+ emit_notes_for_changes on NEXT_INSN(insn) rather than on insn, to
+ make up for change in add_stores.
+ (vt_add_function_parameters): Add status to calls to
+ set_variable_part.
+ * config/darwin.c (darwin_override_options): Turn on uninitialized
+ tracking automatically, if var_tracking is on and the system is
+ 10.5 or higher.
+
+2007-07-13 Sa Liu <saliu@de.ibm.com>
+
+ * config.gcc: Add options for arch and tune on SPU.
+ * config/spu/predicates.md: Add constant operands 0 and 1.
+ * config/spu/spu-builtins.def: Add builtins for double precision
+ floating point comparison: si_dfceq, si_dfcmeq, si_dfcgt, si_dfcmgt,
+ si_dftsv, spu_cmpeq_13, spu_cmpabseq_1, spu_cmpgt_13, spu_cmpabsgt_1,
+ spu_testsv.
+ * config/spu/spu-c.c: Define __SPU_EDP__ when builtins invoked with
+ a CELLEDP target.
+ * config/spu/spu-protos.h: Add new function prototypes.
+ * config/spu/spu.c (spu_override_options): Check options -march and
+ -mtune.
+ (spu_comp_icode): Add comparison code for DFmode and vector mode.
+ (spu_emit_branch_or_set): Use the new code for DFmode and vector
+ mode comparison.
+ (spu_const_from_int): New. Create a vector constant from 4 ints.
+ (get_vec_cmp_insn): New. Get insn index of vector compare instruction.
+ (spu_emit_vector_compare): New. Emit vector compare.
+ (spu_emit_vector_cond_expr): New. Emit vector conditional expression.
+ * config/spu/spu.h: Add options -march and -mtune. Define processor
+ types PROCESSOR_CELL and PROCESSOR_CELLEDP. Define macro
+ CANONICALIZE_COMPARISON.
+ * config/spu/spu.md: Add new insns for double precision compare
+ and double precision vector compare. Add vcond and smax/smin patterns
+ to enable DFmode vector conditional expression.
+ * config/spu/spu.opt: Add options -march and -mtune.
+ * config/spu/spu_internals.h: Add builtins for CELLEDP target:
+ si_dfceq, si_dfcmeq, si_dfcgt, si_dfcmgt, si_dftsv. Add builtin for
+ both CELL and CELLEDP targets: spu_testsv.
+ * config/spu/spu_intrinsics.h: Add flag mnemonics for test special
+ values.
+
+2007-07-13 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/32721
+ * tree-ssa-ccp.c (maybe_fold_stmt_indirect): Preserve
+ TREE_THIS_VOLATILE on the folded reference.
+ * tree-ssa-operands.c (get_expr_operands): Set has_volatile_ops
+ if the array reference has TREE_THIS_VOLATILE set.
+
+2007-07-13 H.J. Lu <hongjiu.lu@intel.com>
+
+ PR other/32188
+ * doc/libgcc.texi: Update DFP intrinsics for DPD and BID.
+
+2007-07-13 Andreas Schwab <schwab@suse.de>
+
+ * gengtype-lex.l: Allow declarations to be indented.
+
+2007-07-12 Geoffrey Keating <geoffk@apple.com>
+
+ * ginclude/tgmath.h: New.
+ * config.gcc: Use GCC's tgmath.h on non-glibc systems.
+ * doc/sourcebuild.texi (Headers): Document use_gcc_tgmath.
+ * configure.ac (STMP_FIXPROTO): Honor use_gcc_tgmath.
+ * configure: Regenerate.
+
+2007-07-13 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/linux-unwind.h (sh_fallback_frame_state): Use
+ correct index when setting register save state for xd
+ registers.
+
+2007-07-13 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh.c (mark_use): Remove.
+
+2007-07-12 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/arm.c (thumb1_compute_save_reg_mask): Make sure scratch
+ reg does not overlap return value.
+
+2007-07-12 Daniel Berlin <dberlin@dberlin.org>
+
+ * tree-ssa-pre.c (get_expression_vuses): Move out side-effect.
+ (set_expression_vuses): Ditto.
+ (init_pre): Initialize expression_vuses.
+
+2007-07-12 Zdenek Dvorak <dvorakz@suse.cz>
+
+ * config/i386/sse.md (storentdf, storentsf): New.
+
+2007-07-12 Geoffrey Keating <geoffk@apple.com>
+
+ * builtins.c (get_pointer_alignment): Honor DECL_ALIGN on a
+ FUNCTION_DECL.
+ * tree.c (build_decl_stat): Move code from here...
+ (make_node_stat): ... to here. Don't uselessly clear DECL_USER_ALIGN.
+ (expr_align): Honor DECL_ALIGN on a FUNCTION_DECL. Add comment
+ about using DECL_ALIGN of LABEL_DECL and CONST_DECL.
+ * tree.h (DECL_USER_ALIGN): Fix misplaced comment.
+ * varasm.c (assemble_start_function): Use DECL_ALIGN instead of
+ FUNCTION_BOUNDARY.
+
+2007-07-12 Dorit Nuzman <dorit@il.ibm.com>
+ Devang Patel <dpatel@apple.com>
+
+ PR tree-optimization/25413
+ * targhooks.c (default_builtin_vector_alignment_reachable): New.
+ * targhooks.h (default_builtin_vector_alignment_reachable): New.
+ * tree.h (contains_packed_reference): New.
+ * expr.c (contains_packed_reference): New.
+ * tree-vect-analyze.c (vector_alignment_reachable_p): New.
+ (vect_enhance_data_refs_alignment): Call
+ vector_alignment_reachable_p.
+ * target.h (vector_alignment_reachable): New builtin.
+ * target-def.h (TARGET_VECTOR_ALIGNMENT_REACHABLE): New.
+ * config/rs6000/rs6000.c (rs6000_vector_alignment_reachable): New.
+ (TARGET_VECTOR_ALIGNMENT_REACHABLE): Define.
+
+2007-07-12 Dorit Nuzman <dorit@il.ibm.com>
+
+ * target.h (builtin_vectorization_cost): Add new target builtin.
+ * target-def.h (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): New.
+ * tree-vectorizer.h (TARG_SCALAR_STMT_COST): New.
+ (TARG_SCALAR_LOAD_COST, TARG_SCALAR_STORE_COST): New.
+ * tree-vect-analyze.c (vect_analyze_slp_instance): Initisliaze
+ uninitialized variables.
+ * tree-vect-transform.c (cost_for_stmt): New function.
+ (vect_estimate_min_profitable_iters): Call cost_for_stmt instead of
+ using cost 1 for all scalar stmts. Be less conservative when
+ estimating the number of prologue/epulogue iterations. Call
+ targetm.vectorize.builtin_vectorization_cost. Return
+ min_profitable_iters-1.
+ (vect_model_reduction_cost): Use TARG_SCALAR_TO_VEC_COST for
+ initialization cost instead of TARG_VEC_STMT_COST. Use
+ TARG_VEC_TO_SCALAR_COST instead of TARG_VEC_STMT_COST for reduction
+ epilogue code. Fix epilogue cost computation.
+ * config/spu/spu.c (spu_builtin_vectorization_cost): New.
+ (TARGET_VECTORIZE_BUILTIN_VECTORIZATION_COST): Implement.
+ * config/spu/spu.h (TARG_COND_BRANCH_COST, TARG_SCALAR_STMT_COST):
+ (TARG_SCALAR_LOAD_COST, TARG_SCALAR_STORE_COST, TARG_VEC_STMT_COST):
+ (TARG_VEC_TO_SCALAR_COST, TARG_SCALAR_TO_VEC, TARG_VEC_LOAD_COST):
+ (TARG_VEC_UNALIGNED_LOAD_COST, TARG_VEC_STORE_COST): Define.
+
+2007-07-12 Richard Guenther <rguenther@suse.de>
+
+ * gimplify.c (gimplify_conversion): Make sure that the result
+ from maybe_fold_offset_to_reference is trivially convertible
+ to the desired type before doing the simplification.
+ (gimplify_expr): Likewise.
+ * fold-const.c (fold_binary): Use the correct types for
+ building the simplified expression.
+
+2007-07-12 Zdenek Dvorak <dvorakz@suse.cz>
+
+ PR rtl-optimization/32729
+ * cfghooks.c (can_duplicate_block_p): Do not forbid duplicating blocks
+ that fallthru to exit.
+
+2007-07-12 Kaz Kojima <kkojima@gcc.gnu.org>
+
+ * config/sh/sh.md (symGOTOFF2reg): Add missing parenthesis.
+ (symDTPOFF2reg): Likewise.
+
+2007-07-11 Daniel Berlin <dberlin@dberlin.org>
+
+ PR tree-optimization/32663
+
+ * tree.h (VALUE_HANDLE_VUSES): Remove.
+ (struct tree_value_handle): Remove vuses.
+
+ * tree-vn.c (create_value_handle_for_expr): Don't set
+ VALUE_HANDLE_VUSES.
+
+ * tree-ssa-pre.c (expression_vuses): New.
+ (alloc_expression_id): Set up expression_vuses.
+ (get_expression_vuses): New.
+ (set_expression_vuses): Ditto.
+ (clear_expression_ids): Modify for expression_vuses.
+ (phi_translate_1): Ditto.
+ (phi_translate_set): Ditto.
+ (value_dies_in_block_x): Ditto
+ (valid_in_sets): Ditto.
+ (add_to_sets): Ditto.
+ (find_existing_value_expr): Ditto.
+ (create_value_handle_for_expr): Ditto.
+ (make_values_for_stmt): Ditto.
+ (vuse_equiv): Remove.
+
+2007-07-11 Alexandre Oliva <aoliva@redhat.com>
+
+ * Makefile.in (mostlyclean): Remove object files.
+
+2007-07-11 Kenneth Zadeck <zadeck@naturalbridge.com>
+
+ * toplev.c (no_new_pseudos): Deleted.
+ * rtl.h (no_new_pseudos): Deleted.
+ * tree-pass.h (pass_no_new_pseudos): Deleted.
+ * passes.c (pass_no_new_pseudos): Deleted.
+ * final.c (rest_of_clean_state): Removed no_new_pseudos.
+ (rest_of_no_new_pseudos, pass_no_new_pseudos): Deleted.
+ * struct-equiv.c (rtx_equiv_p): Replaced no_new_pseudos with
+ reload_completed.
+ * cfgcleanup.c (try_crossjump_to_edge): Ditto.
+ * rtlhooks.c (gen_lowpart_general): Ditto.
+ * optabs.c (prepare_operand): Ditto.
+ * mode-switching.c (rest_of_handle_mode_switching): Deleted set of
+ no_new_pseudos.
+ * modulo-sched.c (rest_of_handle_sms): Ditto.
+ * see.c (rest_of_handle_see): Ditto.
+ * ifcvt.c (if_convert): Ditto.
+ (gate_handle_if_after_combine): Replaced no_new_pseudos with
+ reload_completed.
+ * init-regs.c (gate_initialize_regs): Deleted set of
+ no_new_pseudos.
+ * lower-subreg.c (decompose_multiword_subregs): Ditto.
+ * bb-reorder.c (rest_of_handle_partition_blocks): Ditto.
+ * doc/md.texi: Changed no_new_pseudos to can_create_pseudo_p.
+
+2007-07-11 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/32661
+ * config/i386/sse.md (*sse2_storeq_rex64): Handle 64bit mem->reg moves.
+ (*vec_extractv2di_1_sse2): Disable for TARGET_64BIT.
+ (*vec_extractv2di_1_rex64): New insn pattern.
+
+2007-07-11 David Daney <ddaney@avtrex.com>
+
+ * config/mips/linux-unwind.h (mips_fallback_frame_state): Rewrite
+ return address calculation. Substitute DWARF_ALT_FRAME_RETURN_COLUMN
+ for SIGNAL_UNWIND_RETURN_COLUMN.
+ * config/mips/mips.h (SIGNAL_UNWIND_RETURN_COLUMN): Remove.
+ (DWARF_FRAME_REGNUM): Rewrite.
+ (DWARF_ALT_FRAME_RETURN_COLUMN) Define.
+
+2007-07-11 Nick Clifton <nickc@redhat.com>
+
+ * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Revert previous
+ delta and use gen_int_mode in place of GET_INT instead.
+
+2007-07-11 Uros Bizjak <ubizjak@gmail.com>
+
+ * reg-stack.c (struct tree_opt_pass pass_stack_regs): Nullify name
+ and letter field.
+
+2007-07-11 Douglas Gregor <doug.gregor@gmail.com>
+
+ * params.def (PARAM_VERIFY_CANONICAL_TYPES): Remove.
+ (PARAM_USE_CANONICAL_TYPES): New; decides whether to use canonical
+ types or not.
+ * params.h (VERIFY_CANONICAL_TYPES): Remove.
+ (USE_CANONICAL_TYPES): New.
+ * doc/invoke.texi (verify-canonical-types): Remove.
+ (use-canonical-types): Add.
+
+2007-07-11 Ulrich Weigand <uweigand@de.ibm.com>
+
+ * config/spu/spu.c (spu_optimization_options): Remove setting of
+ parameter PARAM_MAX_COMPLETELY_PEEL_TIMES.
+ (spu_override_options): Move it here.
+
+2007-07-11 Richard Sandiford <richard@codesourcery.com>
+
+ * config/mips/mips.h (MIPS_ISA_LEVEL_SPEC): Handle -m4ksc and -m4ksd.
+ * config/mips/mips.c (mips_cpu_info_table): Mention
+ MIPS_ISA_LEVEL_SPEC in the comment.
+
+2007-07-11 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR tree-optimization/32713
+ * tree-ssa-sccvn.c (copy_reference_ops_from_ref): Handle REAL_CST.
+
+2007-07-11 Paolo Carlini <pcarlini@suse.de>
+
+ PR middle-end/30482
+ * c-opts.c (c_common_post_options): Do not change flag_complex_method
+ conditional to flag_isoc99.
+ (c_common_init_options): Do it here, unconditionally.
+
+2007-07-11 Eric Botcazou <ebotcazou@adacore.com>
+
+ PR tree-optimization/32589
+ * doc/tree-ssa.texi (Rough GIMPLE Grammar): Add missing rule.
+ * tree-gimple.c (is_gimple_min_invariant): Clarify head comment.
+ * tree-ssa-propagate.c (valid_gimple_expression_p): New
+ predicate, extracted from...
+ (set_rhs): ...here. Call it for the expression on entry.
+ * tree-ssa-propagate.h (valid_gimple_expression_p): Declare.
+ * tree-ssa-sccvn.c: Include tree-ssa-propagate.h.
+ (simplify_binary_expression): Use valid_gimple_expression_p
+ to validate the simplification.
+ * Makefile.in (tree-ssa-sccvn.o): Depends on tree-ssa-propagate.h.
+
+2007-07-11 Danny Smith <dannysmith@users.sourceforge.net>
+
+ * config/i386/cygming.h (PREFERRED_DEBUGGING_TYPE): Define to
+ DWARF2_DEBUG on 32 bit target too.
+ (DWARF2_UNWIND_INFO): Reorganize 64-bit vs 32-bit definition.
+
+2007-07-11 Nick Clifton <nickc@redhat.com>
+
+ * config/m32r/m32r.h (INITIALIZE_TRAMPOLINE): Provide alternative
+ version for 64-bit hosts.
+
+2007-07-10 David Daney <ddaney@avtrex.com>
+
+ * config/mips/mips.h (ISA_HAS_SYNCI): New target capability
+ predicate.
+ (INITIALIZE_TRAMPOLINE): Emit clear_cache insn instead of library
+ call.
+ * config/mips/mips.c (mips_expand_synci_loop): New function.
+ * config/mips/mips.md (UNSPEC_CLEAR_HAZARD): New constant.
+ (UNSPEC_RDHWR): Same.
+ (UNSPEC_SYNCI): Same.
+ (UNSPEC_SYNC): Same.
+ (clear_cache): New expand.
+ (sync): New insn.
+ (synci): Same.
+ (rdhwr): Same.
+ (clear_hazard): Same.
+ * config/mips/mips-protos.h (mips_expand_synci_loop): Declare
+ function.
+ * testsuite/gcc.target/mips/clear-cache-1.c: New test.
+ * testsuite/gcc.target/mips/clear-cache-2.c: New test.
+
+2007-07-10 Ian Lance Taylor <iant@google.com>
+
+ * emit-rtl.c (gen_reg_rtx): Check can_create_pseudo_p rather than
+ no_new_pseudos.
+
+2007-07-10 David Daney <ddaney@avtrex.com>
+
+ * builtins.def (BUILT_IN_CLEAR_CACHE): New builtin.
+ * builtins.c (expand_builtin___clear_cache): New function.
+ (expand_builtin): Call expand_builtin___clear_cache for
+ BUILT_IN_CLEAR_CACHE case.
+ * doc/extend.texi (__builtin___clear_cache): Document new builtin.
+ * doc/md.texi (clear_cache): Document new instruction pattern.
+ * testsuite/gcc.dg/builtins-64.c: New test.
+
+2007-07-11 Hans-Peter Nilsson <hp@axis.com>
+
+ * config/cris/cris.md ("movsi"): Fix typo in last change.
+
+2007-07-09 Geoffrey Keating <geoffk@apple.com>
+
+ PR 32617
+ * c-common.c (c_alignof_expr): Look at DECL_ALIGN of
+ FUNCTION_DECLs.
+ (handle_aligned_attribute): Allow use on FUNCTION_DECLs.
+ * varasm.c (assemble_start_function): Honor DECL_ALIGN
+ for FUNCTION_DECLs. Don't use align_functions_log if
+ DECL_USER_ALIGN.
+ * print-tree.c (print_node): Print DECL_ALIGN and DECL_USER_ALIGN
+ even for FUNCTION_DECLs.
+ * c-decl.c (merge_decls): Propagate DECL_ALIGN even for
+ FUNCTION_DECLs.
+ * tree.h (DECL_ALIGN): Update for new location of 'align'.
+ (DECL_FUNCTION_CODE): Update for new location and name of
+ 'function_code'.
+ (DECL_OFFSET_ALIGN): Update for new location of 'off_align'.
+ (struct tree_decl_common): Move 'align' and 'off_align' out
+ of union, ensure they're still on a 32-bit boundary. Remove
+ other fields in union 'u1'.
+ (struct tree_function_decl): Add field 'function_code' replacing
+ 'u1.f' in tree_decl_common.
+ * tree.c (build_decl_stat): Set initial value of DECL_ALIGN.
+ * doc/extend.texi (Function Attributes): Add 'aligned' attribute.
+ (Variable Attributes): Cross-reference 'aligned' attribute
+ to Function Attributes.
+ * flags.h (force_align_functions_log): Delete.
+ * toplev.c (force_align_functions_log): Delete.
+
+2007-07-10 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/32708
+ * config/i386/sse.md (vec_concatv2di): Disable for TARGET_64BIT.
+ (*vec_concatv2di_rex): New insn pattern.
+
+2007-07-10 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
+
+ PR target/32538
+ * config/mips/iris6.h (LIBGCC_SPEC): Add libm.
+
2007-07-10 Ian Lance Taylor <iant@google.com>
Replace no_new_pseudos in backends.
* optabs.h: Added declaration for signbit_optab.
* optabs.c: (init_optabs): Added initialization for signbit_optab.
* genoptinit.c (optabs): Added entry for signbit insns.
- * builtins.c (expand_builtin_signbit): Added code to use a signbit insn,
- if available.
+ * builtins.c (expand_builtin_signbit): Added code to use a signbit
+ insn, if available.
* config/s390/s390.h (S390_TDC_SIGNBIT_SET): New constant.
* config/s390/s390.md (signbit<mode>2): New expander.
offsets->locals_base to avoid negative stack size.
(thumb1_expand_prologue): Assert on negative stack size.
-2007-04-19 Sebastian Pop <sebpop@gmail.com>
+2007-06-19 Sebastian Pop <sebpop@gmail.com>
PR tree-optimization/32367
* tree-chrec.h (build_polynomial_chrec): Verify that the left hand side
float constant.
(_m_to_float): Use C89 compatible assignment.
-2007-04-20 Martin Michlmayr <tbm@cyrius.com>
+2007-05-20 Martin Michlmayr <tbm@cyrius.com>
PR target/32007
* config/arm/lib1funcs.asm: Define __ARM_ARCH__ on v2/v3 machines.
size never inline functions increasing caller size.
(cgraph_early_inlining): Inline for size when optimizing for size.
-2007-04-18 Bernd Schmidt <bernd.schmidt@analog.com>
+2007-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
* config/bfin/bfin.md (<optab>di3): Now a define_expand which expands
logical operations piecewise.
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