fortran/
PR fortran/20467
* symbol.c (check_conflict): A dummy argument can't be a statement
function.

testsuite/
PR fortran/20467
* gfortran.dg/stfunc_2.f90: New test.

From-SVN: r96443

From-SVN: r96442

	PR rtl-optimization/17236
	* optabs.c (expand_doubleword_mult): New helper function split out
	from expand_binop.  Permute the order in which instructions are
	emitted to minimize the number of simultaneously live registers.
	(expand_binop): Call expand_doubleword_mult to synthesize a double
	word multiplication.

From-SVN: r96441

	* basic-block.h: Update the prototypes of cached_make_edge and
	rtl_make_eh_edge.
	* cfg.c (cached_make_edge): Take edge_cache representing one
	row of the adjacency matrix of edges.
	* cfgbuild.c (make_label_edge, rtl_make_eh_edge): Likewise.
	(make_edges): Initialize edge_cache to represent one row of
	the adjacency matrix of edges.

From-SVN: r96440

	* tree-ssa-phiopt.c (minmax_replacement, blocks_in_phiopt_order):
	New functions.
	(tree_ssa_phiopt): Use blocks_in_phiopt_order and minmax_replacement.
	Remove unused removed_phis variable.
	(conditional_replacement): Use build1/build2.
	(abs_replacement): Use last_and_only_stmt and build1/build2.

	* gcc.dg/tree-ssa/phi-opt-5.c: New test.

From-SVN: r96439

	* builtin-attrs.def (ATTR_NOVOPS, ATTR_NOVOPS_LIST,
	ATTR_PURE_NOTHROW_NOVOPS_LIST): New.
	* builtins.def (ATTR_MATHFN_FPROUNDING): Use NOVOPS.
	(BUILT_IN_PREFETCH): Set the NOVOPS attribute.
	* c-common.c (handle_novops_attribute): New function.
	(c_common_attribute_table): Add "no vops" entry.
	* c-decl.c (merge_decls): Copy DECL_IS_NOVOPS.
	* calls.c (flags_from_decl_or_type): Set ECF_NOVOPS.
	* tree-ssa-operands.c (get_call_expr_operands): Do not
	create virtual operands for calls with ECF_NOVOPS flag.
	* tree.h (DECL_IS_NOVOPS): New macro.
	(struct tree_decl): Add novops_flag.
	(ECF_NOVOPS): New constant.

From-SVN: r96438

	PR target/17688
	* config/i386/i386.c (x86_use_himode_fiop): New.
	(x86_use_simode_fiop): Rename from x86_use_fiop.
	* config/i386/i386.h (x86_use_himode_fiop): Declare.
	(TARGET_USE_HIMODE_FIOP): New.
	(x86_use_simode_fiop): Rename from x86_use_fiop.
	(TARGET_USE_SIMODE_FIOP): Rename from TARGET_USE_FIOP.

	* config/i386/i386.md (X87MODEI12): New mode macro define.
	(*cmpfp_<mode>): Rename from *cmpfp_si.  Use X87MODEI12 mode macro
	to implement x87 FP compare with HImode input operands.
	(*fp_jcc_8<mode>_387, splitter): Rename from *fp_jcc_8_387.
	Use X87MODEI12 mode macro to handle HImode input operands.
	(*fop_sf_2<mode>_i387, *fop_sf_3<mode>_i387, *fop_df_2<mode>_i387,
	*fop_df_3<mode>_i387, *fop_xf_2<mode>_i387, *fop_xf_3<mode>_i387):
	Renamed from *fop_sf_2_i387, *fop_sf_3_i387, *fop_df_2_i387,
	*fop_df_3_i387, *fop_xf_2_i387, *fop_xf_3_i387. Use X87MODEI12 mode
	macro to implement x87 operators with HImode input operands.
	(fop splitters): Use X87MODEI12 mode macro to handle HImode
	input operands.

From-SVN: r96437

From-SVN: r96436

	* tree-cfg.c (find_taken_edge_cond_expr): Use zero_p instead of
	integer_zerop.
	* tree-gimple.c (is_gimple_min_invariant): Consider overflowed
	constants invariant.

	* fortran/trans-intrinsic.c (gfc_conv_intrinsic_ishft): Convert
	the argument of the shift to the unsigned type.

From-SVN: r96435

	* basic-block.h (BB_VISITED): Removed.
	* cfganal.c (dfs_enumerate_from): Do not use BB_VISITED flag.

From-SVN: r96434

From-SVN: r96433

	PR c++/4403
	PR c++/9783, DR433
	* name-lookup.c (pushtag): Skip template parameter scope when
	scope is ts_global.  Don't push tag into template parameter
	scope.
	* pt.c (instantiate_class_template): Reorder friend class
	template substitution to handle non-dependent friend class
	that hasn't been previously declared.

	* g++.dg/template/friend34.C: New test.
	* g++.dg/template/friend35.C: Likewise.
	* g++.old-deja/g++.pt/inherit2.C: Remove XFAIL's.

From-SVN: r96432

	PR bootstrap/20424
	* config/alpha/alpha.c (alpha_fold_builtin_cmpbge): Fix typo.

From-SVN: r96431

	Friend class name lookup 5/n
	PR c++/1016
	* cp-tree.h (pushtag): Adjust declaration.
	* decl.c (lookup_and_check_tag): Call lookup_type_scope if
	lookup_name fails.
	(xref_tag): Adjust call to pushtag.  Make hidden class visible.
	(start_enum): Adjust call to pushtag.
	* name-lookup.c (ambiguous_decl): Ignore hidden names.
	(qualify_lookup): Change return type to bool.
	(hidden_name_p): New function.
	(lookup_namespace_name, unqualified_namespace_lookup,
	lookup_name_real): Use it.
	(lookup_type_scope): Update comments.
	(maybe_process_template_type_declaration): Change parameter name
	from globalize to is_friend.
	(pushtag): Change globalize parameter of type int to tag_scope.
	Hide name if introduced by friend declaration.
	* name-lookup.h (hidden_name_p): Add declaration.
	* parser.c (cp_parser_lookup_name): Don't deal with hidden name
	here.
	* pt.c (push_template_decl_real): Make hidden class template
	visible.
	(lookup_template_class, instantiate_class_template): Adjust call
	to pushtag.
	* semantics.c (begin_class_definition): Likewise.
	* rtti.c (init_rtti_processing, build_dynamic_cast_1,
	tinfo_base_init, emit_support_tinfos): Use ts_current instead of
	ts_global.

	* g++.dg/lookup/hidden-class1.C: New test.
	* g++.dg/lookup/hidden-class2.C: Likewise.
	* g++.dg/lookup/hidden-class3.C: Likewise.
	* g++.dg/lookup/hidden-class4.C: Likewise.
	* g++.dg/lookup/hidden-class5.C: Likewise.
	* g++.dg/lookup/hidden-class6.C: Likewise.
	* g++.dg/lookup/hidden-class7.C: Likewise.
	* g++.dg/lookup/hidden-class8.C: Likewise.
	* g++.dg/lookup/hidden-class9.C: Likewise.
	* g++.dg/lookup/hidden-temp-class1.C: Likewise.
	* g++.dg/lookup/hidden-temp-class2.C: Likewise.
	* g++.dg/lookup/hidden-temp-class3.C: Likewise.
	* g++.dg/lookup/hidden-temp-class4.C: Likewise.
	* g++.dg/lookup/hidden-temp-class5.C: Likewise.
	* g++.dg/lookup/hidden-temp-class6.C: Likewise.
	* g++.dg/lookup/hidden-temp-class7.C: Likewise.
	* g++.dg/lookup/hidden-temp-class8.C: Likewise.
	* g++.dg/lookup/hidden-temp-class9.C: Likewise.
	* g++.dg/lookup/hidden-temp-class10.C: Likewise.
	* g++.dg/lookup/hidden-temp-class11.C: Likewise.

From-SVN: r96430

	* alloc-pool.c, except.h, ggc-common.c, ggc-zone.c, ggc.h,
	stringpool.c, config/mips/mips-protos.h: Update copyright.

From-SVN: r96428

From-SVN: r96427

	* config/rs6000/rs6000-protos.h: Replace "struct rtx_def *"
	throughout with its typedef, "rtx".
	* config/rs6000/rs6000.c: Likewise.  Formatting fixes.
	(rs6000_tls_symbol_ref_1): Remove inline keyword.
	* config/rs6000/rs6000.h (REG_ALLOC_ORDER): Formatting.  Reorder
	regs in comment to match code.

From-SVN: r96420

	* tree-cfg.c (verify_stmts): Check that
	bb_for_stmt (stmt) == bb for every PHI node and statement.

From-SVN: r96418

From-SVN: r96417

	PR c++/20157
	* pt.c (determine_specialization): Reject non-specializations.

	PR c++/20157
	* g++.dg/template/error18.C: New test.

From-SVN: r96414

	* regclass.c (reg_class_superclasses, reg_class_subclasses):
	Make them static.
	* hard-reg-set.h: Remove the corresponding declarations.

From-SVN: r96410

	* function.c (get_func_frame_size): Make it static.
	* function.h: Remove the corresponding type.

From-SVN: r96409

	* except.c (check_handled): Make it static.
	* except.h: Remove the corresponding prototype.

From-SVN: r96408

	* config.gcc: Remove excess indentation.
	(powerpc*-*-*, rs6000-*-*): Accept --with-cpu/tune power5 and 8548.

From-SVN: r96405

From-SVN: r96401

	PR middle-end/19331
	* tree.c (get_unwidened): Treat CONVERT_EXPR and NOP_EXPR identically.
	* fold-const.c (fold_sign_changed_comparison): Likewise.
	(fold_binary): Optimize comparisons against widened operands if
	the extension is represented by a CONVERT_EXPR, same as a NOP_EXPR.

From-SVN: r96397

	PR debug/16792
	* g++.dg/debug/pr16792.C: New test.

From-SVN: r96396

	* config/sparc/sparc.c (struct_value_alias_set): New global variable.
	(sparc_override_options): Initialize it.
	(sparc_struct_value_rtx): Set it on the MEM to be returned.

From-SVN: r96395

	* gcc.dg/anon-struct-6.c, gcc.dg/array-8.c,
	gcc.dg/cpp/19940712-1.c, gcc.dg/cpp/19951025-1.c,
	gcc.dg/cpp/tr-warn6.c, gcc.dg/deprecated.c, gcc.dg/init-bad-1.c,
	gcc.dg/init-bad-2.c, gcc.dg/init-bad-3.c, gcc.dg/m-un-2.c,
	gcc.dg/parm-mismatch-1.c, gcc.dg/redecl-1.c: Ensure uniqueness of
	test assertion names.

From-SVN: r96391

        * config/rs6000/predicates.md (mem_or_easy_const_operand): Delete.
        (reg_or_none500mem_operand): New predicate.
        (zero_reg_mem_operand): New predicate.
        * config/rs6000/rs6000.md (extendsfdf2): Change operand1 predicate
        to reg_or_none500mem_operand.
        (extendsfdf2_fpr): Add MEM alternative.
        (extenddftf2_internal): Change operand2 predicate to
        zero_reg_mem_operand.

From-SVN: r96390

PR fortran/18600
* gfortran.dg/stfunc_1.f90: New test.

From-SVN: r96389

fortran/
PR fortran/16907
* resolve.c (gfc_resolve_index): Allow REAL indices as an extension.

testsuite/
PR fortran/16907
* gfortran.dg/real_index_1.f90: New test.

From-SVN: r96385

fortran/
PR fortran/20323
* resolve.c (gfc_resolve): Check if character lengths are
specification expressions.

testsuite/
PR fortran/20323
* gfortran.dg/spec_expr_1.f90: New test.

From-SVN: r96382

	* ggc-zone.c: Rewritten.

	* alloc-pool.c (dump_alloc_pool_statistics): Don't print statistics
	if there are none.
	* configure.ac: Define GGC_ZONE for --with-gc=zone.
	* config.in: Regenerated.
	* configure: Regenerated.
	* gentype.c (write_types_process_field, write_func_for_structure):
	Pass new argument to gt_pch_note_object.
	* ggc-common.c (struct ptr_data): Add TYPE.
	(gt_pch_note_object): Take TYPE argument and save it.
	(call_count): Update call to ggc_pch_count_object.
	(call_alloc): Update call to ggc_pch_alloc_object.
	(gt_pch_save): Call ggc_pch_prepare_write after paddng the PCH
	file.
	* ggc-none.c (rtl_zone, garbage_zone, ggc_alloc_zone_stat): Delete.
	* ggc-page.c (rtl_zone, tree_zone, garbage_zone)
	(ggc_alloc_zone_stat): Delete.
	(ggc_pch_count_object, ggc_pch_alloc_object): Add TYPE argument.
	* ggc.h (gt_pch_note_object, ggc_pch_count_object)
	(ggc_pch_alloc_object): Update prototypes.
	(garbage_zone): Delete.
	(tree_zone, rtl_zone, ggc_alloc_zone_stat, ggc_alloc_zone): Move to
	GGC_ZONE conditional.  Update.  Change tree_zone and rtl_zone into
	pointers.
	(tree_id_zone): New variable.
	(ggc_alloc_cleared_zone): Remove unused.
	(ggc_alloc_zone): Define.
	(ggc_alloc_rtvec, ggc_alloc_tree): Update to use ggc_alloc_zone.
	* rtl.c (rtx_alloc_stat, shallow_copy_rtx_stat): Use
	ggc_alloc_zone_stat.
	* stringpool.c (gt_pch_n_S): Update call to gt_pch_note_object.
	* tree.c (copy_node_stat, make_tree_binfo_stat, make_tree_vec_stat)
	(tree_cons_stat, build1_stat): Update call to ggc_alloc_zone_stat.
	(make_node_stat): Likewise.  Use tree_id_zone.

From-SVN: r96381

	* configure.ac: Check for MIPS TLS.
	* configure: Regenerated.
	* config/mips/mips-protos.h (enum mips_symbol_type): Add
	SYMBOL_TLS, SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL,
	SYMBOL_GOTTPREL, and SYMBOL_TPREL.
	* config/mips/mips.c (mips_regno_to_class): Handle V1_REG.
	(TARGET_HAVE_TLS, TARGET_CANNOT_FORCE_CONST_MEM): Define.
	(mips_classify_symbol, mips_symbolic_constant_p)
	(mips_symbolic_address_p, mips_symbol_insns): Handle TLS symbols.
	(mips_tls_operand_p, mips_call_tls_get_addr)
	(mips_legitimize_tls_address, mips_cannot_force_const_mem)
	(mips_tls_symbol_ref_1): New functions.
	(mips_legitimize_address, mips_legitimize_const_move): Call
	mips_legitimize_tls_address.
	(override_options): Handle V1_REG and TLS symbols.  Disable TLS
	for MIPS16.
	* config/mips/mips.h (enum reg_class, REG_CLASS_NAMES)
	(REG_CLASS_CONTENTS, GR_REG_CLASS_P): Include V1_REG.
	(mips_char_to_class): Document V1_REG.
	(HAVE_AS_TLS): Provide default.
	* config/mips/mips.md (UNSPEC_TLS_LDM, UNSPEC_TLS_GET_TP): New
	constants.
	(load_got<mode>): Renamed from *load_got<mode>.  Allow when
	!TARGET_ABICALLS.
	(tls_get_tp_<mode>): New instruction.

Co-Authored-By: Joseph Myers <joseph@codesourcery.com>

From-SVN: r96380

	* configure.ac: Update checks for target tools.
	* configure: Regenerated.

From-SVN: r96379

From-SVN: r96378

	* expmed.c (expand_mult): Use synthetic multiplication sequences for
	more classes of DImode multiplication by constant.  Allow both
	multiplication by small negative constants (by performing a
	multiplication by a positive constant and negating the result) and
	multiplications by large powers of two, by using a left shift.

From-SVN: r96377

	* tree-ssa-phiopt.c (value_replacement): Remove local variable
	result.

From-SVN: r96376

	* tree-ssa-live.c (build_tree_conflict_graph): Remove local
	variable ann.

From-SVN: r96375