+2008-03-19 Michael Matz <matz@suse.de>
+
+ PR middle-end/35616
+ * calls.c (expand_call): Check overlap of arguments with call
+ address for sibcalls.
+
+2008-03-19 Uros Bizjak <ubizjak@gmail.com>
+
+ PR target/35496
+ * stor-layout.c (update_alignment_for_field): Set minimum alignment
+ of the underlying type of a MS bitfield layout to the natural
+ alignment of the type.
+
+2008-03-19 Jan Hubicka <jh@suse.cz>
+
+ PR other/35094
+ * toplev.c (decode_d_option): Handle all CPP flags.
+ * tree-vrp.c: Update tree_pass descriptors.
+ * regrename.c: Update tree_pass descriptors.
+ * fwprop.c: Update tree_pass descriptors.
+ * doc/invoke.texi: Remove documentation of dropped -d? flags.
+ * tree-into-ssa.c: Update tree_pass descriptors.
+ * tree-dump.c: Update tree_pass descriptors.
+ * tree-complex.c: Update tree_pass descriptors.
+ * tree-dump.h: Update tree_pass descriptors.
+ * see.c: Update tree_pass descriptors.
+ * cgraphbuild.c: Update tree_pass descriptors.
+ * tracer.c: Update tree_pass descriptors.
+ * tree-loop-distribution.c: Update tree_pass descriptors.
+ * cgraph.c: Update tree_pass descriptors.
+ * postreload-gcse.c: Update tree_pass descriptors.
+ * postreload.c: Update tree_pass descriptors.
+ * tree-ssa-loop-ch.c: Update tree_pass descriptors.
+ * tree-tailcall.c: Update tree_pass descriptors.
+ * tree-pass.h (tree_opt_pass): Rename to ...
+ (opt_pass) ... this one; add "type" field and remove letter field.
+ (gimple_opt_pass, rtl_opt_pass, simple_ipa_opt_pass): New.
+ (execute_pass_list, execute_ipa_pass_list, all_passes, all_ipa_passes,
+ all_lowering_passes): Update declaration.
+ * ipa-cp.c: Update tree_pass descriptors.
+ * final.c: Update tree_pass descriptors.
+ * omp-low.c: Update tree_pass descriptors.
+ * tree-ssa-dse.c: Update tree_pass descriptors.
+ * ipa-reference.c: Update tree_pass descriptors.
+ * tree-ssa-uncprop.c: Update tree_pass descriptors.
+ * auto-inc-dec.c: Update tree_pass descriptors.
+ * reorg.c: Update tree_pass descriptors.
+ * cgraphunit.c: Update tree_pass descriptors.
+ * tree-ssa-copyrename.c: Update tree_pass descriptors.
+ * tree-ssa-ccp.c: Update tree_pass descriptors.
+ * df-core.c: Update tree_pass descriptors.
+ * mode-switching.c: Update tree_pass descriptors.
+ * tree-nomudflap.c: Update tree_pass descriptors.
+ * modulo-sched.c: Update tree_pass descriptors.
+ * ipa-pure-const.c: Update tree_pass descriptors.
+ * cse.c: Update tree_pass descriptors.
+ * web.c: Update tree_pass descriptors.
+ * tree-stdarg.c: Update tree_pass descriptors.
+ * tree-ssa-math-opts.c: Update tree_pass descriptors.
+ * tree-ssa-dom.c: Update tree_pass descriptors.
+ * tree-nrv.c: Update tree_pass descriptors.
+ * tree-ssa-alias.c: Update tree_pass descriptors.
+ * loop-init.c: Update tree_pass descriptors.
+ * gimple-low.c: Update tree_pass descriptors.
+ * ipa-inline.c: Update tree_pass descriptors.
+ * tree-ssa-sink.c: Update tree_pass descriptors.
+ * global.c: Update tree_pass descriptors.
+ * ifcvt.c: Update tree_pass descriptors.
+ * jump.c: Update tree_pass descriptors.
+ * predict.c: Update tree_pass descriptors.
+ * tree-ssa-loop.c: Update tree_pass descriptors.
+ * recog.c: Update tree_pass descriptors.
+ * dse.c: Update tree_pass descriptors.
+ * tree-ssa-ifcombine.c: Update tree_pass descriptors.
+ * tree-eh.c: Update tree_pass descriptors.
+ * regmove.c: Update tree_pass descriptors.
+ * local-alloc.c
+ * function.c: Update tree_pass descriptors.
+ * tree-vectorizer.c: Update tree_pass descriptors.
+ * gcse.c: Update tree_pass descriptors.
+ * ipa-type-escape.c: Update tree_pass descriptors.
+ * tree-if-conv.c: Update tree_pass descriptors.
+ * init-regs.c: Update tree_pass descriptors.
+ * ipa.c: Update tree_pass descriptors.
+ * tree-ssa-phiopt.c: Update tree_pass descriptors.
+ * rtl-factoring.c: Update tree_pass descriptors.
+ * lower-subreg.c: Update tree_pass descriptors.
+ * bt-load.c: Update tree_pass descriptors.
+ * tree-dfa.c: Update tree_pass descriptors.
+ * except.c: Update tree_pass descriptors.
+ * emit-rtl.c: Update tree_pass descriptors.
+ * cfgexpand.c: Update tree_pass descriptors.
+ * tree-cfgcleanup.c: Update tree_pass descriptors.
+ * cfgcleanup.c: Update tree_pass descriptors.
+ * tree-ssa-pre.c: Update tree_pass descriptors.
+ * tree-sra.c: Update tree_pass descriptors.
+ * tree-mudflap.c: Update tree_pass descriptors.
+ * tree-ssa-copy.c: Update tree_pass descriptors.
+ * cfglayout.c: Update tree_pass descriptors.
+ * tree-ssa-forwprop.c: Update tree_pass descriptors.
+ * tree-ssa-dce.c: Update tree_pass descriptors.
+ * tree-ssa.c: Update tree_pass descriptors.
+ * regclass.c: Update tree_pass descriptors.
+ * integrate.c: Update tree_pass descriptors.
+ * tree-optimize.c: Update tree_pass descriptors.
+ * tree-ssa-phiprop.c: Update tree_pass descriptors.
+ * tree-object-size.c: Update tree_pass descriptors.
+ * combine.c: Update tree_pass descriptors.
+ * tree-outof-ssa.c: Update tree_pass descriptors.
+ * bb-reorder.c: Update tree_pass descriptors.
+ * stack-ptr-mod.c: Update tree_pass descriptors.
+ * var-tracking.c: Update tree_pass descriptors.
+ * tree-profile.c: Update tree_pass descriptors.
+ * tree-vect-generic.c: Update tree_pass descriptors.
+ * reg-stack.c: Update tree_pass descriptors.
+ * sched-rgn.c: Update tree_pass descriptors.
+ * tree-ssa-structalias.c: Update tree_pass descriptors.
+ * tree-cfg.c: Update tree_pass descriptors.
+ * passes.c (current_pass): Update declaration.
+ (finish_optimization_passes): Update.
+ (all_passes, all_ipa_passes, all_lowering_passes): Update declaration.
+ (register_one_dump_file, register_dump_files_1, next_pass_1):
+ Update arguments.
+ (init_optimization_passes): Update handling of new types.
+ (execute_one_pass, execute_pass_list, execute_ipa_pass_list): Update.
+ * ipa-struct-reorg.c: Update tree_pass descriptors.
+ * tree-ssa-reassoc.c: Update tree_pass descriptors.
+ * combine-stack-adj.c: Update tree_pass descriptors.
+ * cfgrtl.c: Update tree_pass descriptors.
+ * dce.c: Update tree_pass descriptors.
+ * tree-ssanames.c: Update tree_pass descriptors.
+
+2008-03-19 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/35609
+ * tree-ssa.c (always_executed): New global flag.
+ (warn_uninitialized_var): If !always_executed warn with "maybe"
+ instead of "is".
+ (execute_early_warn_uninitialized): Compute post-dominators.
+ Initialize always_executed before processing each basic block.
+
+2008-03-18 Mikulas Patocka <mikulas@artax.karlin.mff.cuni.cz>
+
+ PR target/35504
+ * config/i386/i386.c (x86_this_parameter): Calculate correct location
+ of "this" pointer when "regparm = N" or "fastcall" is in effect.
+
+2008-03-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
+
+ * doc/include/texinfo.tex: Update to version 2008-03-17.10.
+
+2008-03-18 Paolo Bonzini <bonzini@gnu.org>
+
+ * expr.c (store_expr): Assume lang_hooks.reduce_bit_field_operations
+ is true.
+ (expand_expr_real_1) <REDUCE_BIT_FIELD>: Don't look at ignore.
+ (expand_expr_real_1): Assume lang_hooks.reduce_bit_field_operations
+ is true. Add "&& !ignore" condition to reduce_bit_field. Modify
+ target after ignore has been set, and move there also the commputation
+ of subtarget and original_target.
+ * langhooks-def.h (LANG_HOOKS_REDUCE_BIT_FIELD_OPERATIONS): Delete.
+ (LANG_HOOKS_INITIALIZER): Remove it.
+ * langhooks.h (struct lang_hooks): Remove reduce_bit_field_operations.
+
+2008-03-18 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-sccvn.c (visit_reference_op_load): If the lookup
+ found an expression with constants, note that in the VN for the lhs.
+ * tree-ssa-pre.c (eliminate): Visit COND_EXPR statements and
+ fold them to constants if possible. Run cleanup_cfg if done so.
+ (execute_pre): Return todo.
+ (do_pre): Likewise.
+ (execute_fre): Likewise.
+ * tree-ssa-forwprop.c (can_propagate_from): Allow propagation
+ of constants.
+ (get_prop_source_stmt): Look through pointer conversions.
+
+2008-03-18 Jan Hubicka <jh@suse.cz>
+
+ * tree-pretty-print.c: Include predict.h.
+ (dump_generic_node): Dump predictor.
+ * tree.h (PREDICT_EXPR_OUTCOME, PREDICT_EXPR_PREDICTION): Update.
+ * tree-gimple.c (is_gimple_stmt): Add PREDICT_EXPR.
+ * gimple-low.c (lower_stmt): Likewise.
+ * expr.c (expand_expr_real): Likewise.
+ * predict.c (tree_bb_level_predictions): Use PREDICT_EXPRs and remove
+ them.
+ (build_predict_expr, build_predict_expr): New.
+ * predict.h (predictor_name, build_predict_expr): Update.
+ * c-typeck.c (c_finish_bc_stmt): Add prediction.
+ * gimplify.c (gimplify_expr): Add PREDICT_EXPR.
+ * predict.def (PRED_CONTINUE): Update hitrate.
+ * tree.def (PREDICT_EXPR): Define.
+ * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Mark PREDICT_EXPR;
+ do not handle BIND_EXPR.
+ * tree-inline.c (estimate_num_insns_1): PREDICT_EXPR is free.
+ * tree-cfg.c (verify_gimple_stmt): PREDICT_EXPR is valid.
+ * tree-ssa-operands.c (get_expr_operands): PREDICT_EXPR takes no
+ operands.
+
+2008-03-18 Michael Matz <matz@suse.de>
+
+ * gcov-io.h (__gcov_merge_ior, __gcov_fork): Mark hidden.
+
+2008-03-18 Richard Guenther <rguenther@suse.de>
+
+ * tree-gimple.h (is_gimple_invariant_address): Declare.
+ (is_gimple_constant): Likewise.
+ * tree-gimple.c (is_gimple_constant): New function.
+ (is_gimple_invariant_address): Likewise.
+ (is_gimple_min_invariant): Implement in terms of is_gimple_constant
+ and is_gimple_invariant_address.
+ * tree-ssa-loop-niter.c (expand_simple_operations): Revert
+ previous change.
+ * tree-data-ref.c (get_references_in_stmt): A SSA_NAME is not
+ an addressable base.
+
+2008-03-18 Jakub Jelinek <jakub@redhat.com>
+
+ PR middle-end/35611
+ * gimplify.c (gimplify_expr): Gimplify second operand of
+ OMP_ATOMIC_LOAD.
+
+2008-03-17 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/19637
+ * fold-const.c (fold_unary): Remove restrictions of removing
+ intermediate pointer-conversions (P2)(P1)P0.
+ * tree-ssa-ccp.c (maybe_fold_stmt_addition): Recover from
+ conversion to void pointer.
+ (get_maxval_strlen): Handle addresses of the form &(*p)[0].
+
+2008-03-16 James E. Wilson <wilson@tuliptree.org>
+
+ PR debug/31510
+ * dbxout.c (dbxout_expand_expr, case VAR_DECL): Return NULL for
+ emulated thread local variables.
+
+2008-03-16 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/35607
+ * tree-ssa-loop-niter.c (expand_simple_operations): Do not
+ expand TREE_INVARIANT operations that are not gimple invariant.
+
+2008-03-16 Hans-Peter Nilsson <hp@axis.com>
+
+ * doc/extend.texi (Alignment): Say that the ABI controls
+ the __alignof__ for non-strict-alignment targets rather
+ than being a recommendation.
+
+2008-03-15 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/arm.c (arm_unwind_emit): Suppress unused unwinding
+ annotations.
+ (arm_output_fn_unwind): Mark functions that can not be unwound.
+
+2008-03-15 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/arm.c (arm_rtx_costs_1): Add costs for ARMv6 value
+ extension instructions.
+
+2008-03-15 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-ccp.c (ccp_fold): Also read from constant values
+ and fold constant aggregate refs.
+ (fold_const_aggregate_ref): Handle string constants
+ and constructors in ARRAY_REFs. Handle INDIRECT_REF.
+ (evaluate_stmt): Simplify now that ccp_fold folds constant
+ aggregate refs.
+
+2008-03-15 Paul Brook <paul@codesourcery.com>
+
+ * config/arm/arm.md (insv): Use gen_insv_t2 and gen_insv_zero.
+ (extzv): Use gen_extzv_t2.
+ (insv_t2, insv_zero, extv, extzv_t2): New patterns.
+
+2008-03-15 Richard Guenther <rguenther@suse.de>
+
+ * tree-ssa-ccp.c (get_symbol_constant_value): Export.
+ (fold_const_aggregate_ref): Likewise.
+ (get_value): Return NULL if we don't have any values.
+ (ccp_finalize): Set const_val to NULL after freeing it.
+ * tree-flow.h (get_symbol_constant_value): Declare.
+ (fold_const_aggregate_ref): Likewise.
+ * tree-ssa-sccvn.c (try_to_simplify): Use them.
+
+2008-03-15 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/35593
+ * tree-ssa-ccp.c (maybe_fold_offset_to_array_ref): Make sure
+ to not produce negative array indices if not allowed. Add
+ parameter to indicate that.
+ (maybe_fold_offset_to_component_ref): Allow negative array
+ indices only for the first member of a structure.
+ (maybe_fold_offset_to_reference): Allow negative array indices.
+ (maybe_fold_stmt_addition): Likewise.
+
+2008-03-15 Bjoern Haase <bjoern.m.haase@web.de>
+ Anatoly Sokolov <aesok@post.ru>
+
+ * gcc/gcc/config/avr/avr.c (avr_arch_types): Add avr6 entry.
+ (avr_arch): Add ARCH_AVR6.
+ (avr_mcu_types): Add 'atmega2560' and 'atmega2561' entry.
+ (initial_elimination_offset): Initialize and use 'avr_pc_size'
+ instead of fixed value 2.
+ (print_operand_address): Use gs() asm specifier instead of pm().
+ (avr_assemble_integer): (Ditto.).
+ (avr_output_addr_vec_elt): (Ditto.).
+ (print_operand): Handle "!" code.
+ * gcc/gcc/config/avr/avr.h (TARGET_CPU_CPP_BUILTINS): Add
+ __AVR_3_BYTE_PC__, __AVR_2_BYTE_PC__ and __AVR_HAVE_JMP_CALL__.
+ (AVR_HAVE_EIJMP_EICALL): Define.
+ (AVR_3_BYTE_PC): Redefine.
+ (AVR_2_BYTE_PC): (Ditto.).
+ (PRINT_OPERAND_PUNCT_VALID_P): Add '!' code.
+ (LINK_SPEC): Add atmega2560 and atmega2561.
+ (CRT_BINUTILS_SPEC): Add atmega2560 (crtm2560.o) and atmega2561
+ (crtm2561.o).
+ * gcc/gcc/config/avr/avr.md (call_insn): Use eicall instead of icall
+ for 3 byte PC devices.
+ (call_value_insn): (Ditto.).
+ (*tablejump_enh): Use eijmp instead of ijmp for 3 byte PC devices.
+ (indirect_jump): Use only for for 2 byte PC devices.
+ (*tablejump): (Ditto.).
+ (*indirect_jump_avr6): Add insn.
+ (*tablejump_rjmp): Don't use for 3 byte PC devices.
+ * gcc/gcc/config/avr/libgcc.S (__prologue_saves__): Use eijmp
+ instead of ijmp for 3 byte PC devices.
+ (__tablejump2__): (Ditto.).
+ * gcc/gcc/config/avr/t-avr (MULITLIB_OPTIONS): Add avr6 architecture.
+ (MULITLIB_DIRNAMES): (Ditto.).
+ (MULTILIB_MATCHES): Add atmega2560 and atmega2561 to list.
+
+2008-03-15 Uros Bizjak <ubizjak@gmail.com>
+
+ * config/i386/mmx.md ("sse2_umulv1siv2di3"): Rename from
+ "sse2_umulsidi3". Use V1DI mode for operand 0.
+ ("mmx_psadbw"): Use V1DI mode for operand 0.
+ * config/i386/i386-modes.def (V1SI): New vector mode.
+ * config/i386/i386.c (struct builtin_description)
+ [IX86_BUILTIN_PMULUDQ]: Use CODE_FOR_sse2_umulv1siv1di3.
+ (v1di_ftype_v8qi_v8qi): Rename from di_ftype_v8qi_v8qi.
+ (v1di_ftype_v2si_v2si): Rename from di_ftype_v2si_v2si.
+ (ix86_init_mmx_sse_builtins) [__builtin_ia32_psadbw]: Use
+ v1di_ftype_v8qi_v8qi type.
+ [__builtin_ia32_pmuludq]: Use v1di_ftype_v2si_v2si type.
+
+ * doc/extend.texi (X86 Built-in Functions) [__builtin_ia32_psadbw,
+ __builtin_ia32_pmuludq]: Fix the mode of return value.
+
+2008-03-15 Richard Guenther <rguenther@suse.de>
+
+ PR middle-end/35595
+ * tree-ssa-pre.c (bitmap_find_leader): Handle expression
+ being a PHI_NODE.
+
+2008-03-14 Bob Wilson <bob.wilson@acm.org>
+
+ * doc/invoke.texi (Option Summary, Xtensa Options): Document
+ -mserialize-volatile and -mno-serialize-volatile Xtensa options.
+ * config/xtensa/xtensa.c (print_operand): Do not emit MEMW instructions
+ unless TARGET_SERIALIZE_VOLATILE is enabled.
+ * config/xtensa/xtensa.md (*lsiu, *ssiu): Likewise.
+ * config/xtensa/xtensa.h (TARGET_DEFAULT): Add MASK_SERIALIZE_VOLATILE.
+ * config/xtensa/xtensa.opt (mserialize_volatile): New option.
+
+2008-03-14 Richard Guenther <rguenther@suse.de>
+
+ PR tree-optimization/34172
+ * tree-flow.h (refs_may_alias_p): Declare.
+ (get_single_def_stmt): Likewise.
+ (get_single_def_stmt_from_phi): Likewise.
+ (get_single_def_stmt_with_phi): Likewise.
+ * tree-dfa.c (refs_may_alias_p): New function.
+ (get_single_def_stmt): Likewise.
+ (get_single_def_stmt_from_phi): Likewise.
+ (get_single_def_stmt_with_phi): Likewise.
+ * tree-ssa-sccvn.c (get_def_ref_stmt_vuses): New function.
+ (vn_reference_lookup_1): New helper function.
+ (vn_reference_lookup): Walk the virtual use-def chain to
+ continue searching for a match if the def does not alias the
+ reference we are looking for.
+
2008-03-14 David Edelsohn <edelsohn@gnu.org>
* doc/install.texi (Binaries): Remove UCLA archive. Add HVCC
2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
* config/i386/i386.md (allocate_stack_worker_32): Use __chkstk
- label to probe the stack.
+ label to probe the stack.
2008-03-04 Danny Smith <dannysmith@users.sourceforge.net>
2008-02-26 Manuel Lopez-Ibanez <manu@gcc.gnu.org>
- PR 26264
+ PR 26264
* builtins.def (BUILT_IN_STDARG_START): Remove.
* builtins.c (expand_builtin): Remove BUILT_IN_STDARG_START.
* tree-stdarg.c (execute_optimize_stdarg): Likewise.
PR fortran/29549
* doc/invoke.texi (-fcx-limited-range): Document new option.
* toplev.c (process_options): Handle -fcx-fortran-rules.
- * common.opt: Add documentation for -fcx-fortran-rules.
+ * common.opt: Add documentation for -fcx-fortran-rules.
2008-02-25 Janne Blomqvist <jb@gcc.gnu.org>