re PR libstdc++/43622 (Incomplete C++ library support for __float128)
2014-04-22 Marc Glisse <marc.glisse@inria.fr> PR libstdc++/43622 gcc/c-family/ * c-common.c (registered_builtin_types): Make non-static. * c-common.h (registered_builtin_types): Declare. gcc/cp/ * rtti.c (emit_support_tinfo_1): New function, extracted from emit_support_tinfos. (emit_support_tinfos): Call it and iterate on registered_builtin_types. libstdc++-v3/ * config/abi/pre/gnu.ver (CXXABI_1.3.9): New version, new symbols. * config/abi/pre/gnu-versioned-namespace.ver: New symbols. * config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Likewise. From-SVN: r209652
This commit is contained in:
Marc Glisse
Marc Glisse
parent
c6d43074d8
commit
793c625fb8
9 changed files with 97 additions and 41 deletions
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@ -1,3 +1,9 @@
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2014-04-22 Marc Glisse <marc.glisse@inria.fr>
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PR libstdc++/43622
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* c-common.c (registered_builtin_types): Make non-static.
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* c-common.h (registered_builtin_types): Declare.
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2014-04-14 Richard Biener <rguenther@suse.de>
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Marc Glisse <marc.glisse@inria.fr>
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@ -3469,7 +3469,7 @@ c_common_fixed_point_type_for_size (unsigned int ibit, unsigned int fbit,
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/* Used for communication between c_common_type_for_mode and
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c_register_builtin_type. */
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static GTY(()) tree registered_builtin_types;
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tree registered_builtin_types;
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/* Return a data type that has machine mode MODE.
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If the mode is an integer,
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@ -1013,6 +1013,10 @@ extern vec<tree, va_gc> *make_tree_vector_single (tree);
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extern vec<tree, va_gc> *make_tree_vector_from_list (tree);
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extern vec<tree, va_gc> *make_tree_vector_copy (const vec<tree, va_gc> *);
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/* Used for communication between c_common_type_for_mode and
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c_register_builtin_type. */
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extern GTY(()) tree registered_builtin_types;
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/* In c-gimplify.c */
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extern void c_genericize (tree);
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extern int c_gimplify_expr (tree *, gimple_seq *, gimple_seq *);
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@ -1,3 +1,10 @@
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2014-04-22 Marc Glisse <marc.glisse@inria.fr>
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PR libstdc++/43622
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* rtti.c (emit_support_tinfo_1): New function, extracted from
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emit_support_tinfos.
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(emit_support_tinfos): Call it and iterate on registered_builtin_types.
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2014-04-22 Jakub Jelinek <jakub@redhat.com>
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PR c/59073
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@ -1465,6 +1465,44 @@ create_tinfo_types (void)
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pop_abi_namespace ();
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}
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/* Helper for emit_support_tinfos. Emits the type_info descriptor of
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a single type. */
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void
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emit_support_tinfo_1 (tree bltn)
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{
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tree types[3];
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if (bltn == NULL_TREE)
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return;
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types[0] = bltn;
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types[1] = build_pointer_type (bltn);
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types[2] = build_pointer_type (cp_build_qualified_type (bltn,
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TYPE_QUAL_CONST));
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for (int i = 0; i < 3; ++i)
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{
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tree tinfo = get_tinfo_decl (types[i]);
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TREE_USED (tinfo) = 1;
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mark_needed (tinfo);
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/* The C++ ABI requires that these objects be COMDAT. But,
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On systems without weak symbols, initialized COMDAT
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objects are emitted with internal linkage. (See
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comdat_linkage for details.) Since we want these objects
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to have external linkage so that copies do not have to be
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emitted in code outside the runtime library, we make them
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non-COMDAT here.
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It might also not be necessary to follow this detail of the
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ABI. */
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if (!flag_weak || ! targetm.cxx.library_rtti_comdat ())
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{
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gcc_assert (TREE_PUBLIC (tinfo) && !DECL_COMDAT (tinfo));
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DECL_INTERFACE_KNOWN (tinfo) = 1;
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}
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}
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}
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/* Emit the type_info descriptors which are guaranteed to be in the runtime
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support. Generating them here guarantees consistency with the other
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structures. We use the following heuristic to determine when the runtime
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@ -1507,42 +1545,9 @@ emit_support_tinfos (void)
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return;
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doing_runtime = 1;
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for (ix = 0; fundamentals[ix]; ix++)
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{
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tree bltn = *fundamentals[ix];
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tree types[3];
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int i;
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if (bltn == NULL_TREE)
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continue;
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types[0] = bltn;
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types[1] = build_pointer_type (bltn);
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types[2] = build_pointer_type (cp_build_qualified_type (bltn,
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TYPE_QUAL_CONST));
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for (i = 0; i < 3; ++i)
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{
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tree tinfo;
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tinfo = get_tinfo_decl (types[i]);
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TREE_USED (tinfo) = 1;
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mark_needed (tinfo);
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/* The C++ ABI requires that these objects be COMDAT. But,
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On systems without weak symbols, initialized COMDAT
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objects are emitted with internal linkage. (See
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comdat_linkage for details.) Since we want these objects
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to have external linkage so that copies do not have to be
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emitted in code outside the runtime library, we make them
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non-COMDAT here.
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It might also not be necessary to follow this detail of the
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ABI. */
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if (!flag_weak || ! targetm.cxx.library_rtti_comdat ())
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{
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gcc_assert (TREE_PUBLIC (tinfo) && !DECL_COMDAT (tinfo));
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DECL_INTERFACE_KNOWN (tinfo) = 1;
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}
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}
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}
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emit_support_tinfo_1 (*fundamentals[ix]);
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for (tree t = registered_builtin_types; t; t = TREE_CHAIN (t))
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emit_support_tinfo_1 (TREE_VALUE (t));
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}
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/* Finish a type info decl. DECL_PTR is a pointer to an unemitted
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@ -1,3 +1,10 @@
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2014-04-22 Marc Glisse <marc.glisse@inria.fr>
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PR libstdc++/43622
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* config/abi/pre/gnu.ver (CXXABI_1.3.9): New version, new symbols.
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* config/abi/pre/gnu-versioned-namespace.ver: New symbols.
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* config/abi/post/x86_64-linux-gnu/baseline_symbols.txt: Likewise.
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2014-04-22 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
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* configure.host: Remove solaris2.9 handling.
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@ -2520,6 +2520,7 @@ OBJECT:0:CXXABI_1.3.5
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OBJECT:0:CXXABI_1.3.6
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OBJECT:0:CXXABI_1.3.7
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OBJECT:0:CXXABI_1.3.8
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OBJECT:0:CXXABI_1.3.9
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OBJECT:0:CXXABI_TM_1
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OBJECT:0:GLIBCXX_3.4
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OBJECT:0:GLIBCXX_3.4.1
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@ -2624,6 +2625,7 @@ OBJECT:16:_ZTIc@@CXXABI_1.3
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OBJECT:16:_ZTId@@CXXABI_1.3
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OBJECT:16:_ZTIe@@CXXABI_1.3
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OBJECT:16:_ZTIf@@CXXABI_1.3
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OBJECT:16:_ZTIg@@CXXABI_1.3.9
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OBJECT:16:_ZTIh@@CXXABI_1.3
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OBJECT:16:_ZTIi@@CXXABI_1.3
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OBJECT:16:_ZTIj@@CXXABI_1.3
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@ -3124,11 +3126,14 @@ OBJECT:2:_ZTSc@@CXXABI_1.3
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OBJECT:2:_ZTSd@@CXXABI_1.3
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OBJECT:2:_ZTSe@@CXXABI_1.3
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OBJECT:2:_ZTSf@@CXXABI_1.3
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OBJECT:2:_ZTSg@@CXXABI_1.3.9
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OBJECT:2:_ZTSh@@CXXABI_1.3
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OBJECT:2:_ZTSi@@CXXABI_1.3
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OBJECT:2:_ZTSj@@CXXABI_1.3
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OBJECT:2:_ZTSl@@CXXABI_1.3
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OBJECT:2:_ZTSm@@CXXABI_1.3
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OBJECT:2:_ZTSn@@CXXABI_1.3.9
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OBJECT:2:_ZTSo@@CXXABI_1.3.9
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OBJECT:2:_ZTSs@@CXXABI_1.3
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OBJECT:2:_ZTSt@@CXXABI_1.3
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OBJECT:2:_ZTSv@@CXXABI_1.3
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@ -3155,6 +3160,7 @@ OBJECT:32:_ZTIPKc@@CXXABI_1.3
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OBJECT:32:_ZTIPKd@@CXXABI_1.3
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OBJECT:32:_ZTIPKe@@CXXABI_1.3
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OBJECT:32:_ZTIPKf@@CXXABI_1.3
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OBJECT:32:_ZTIPKg@@CXXABI_1.3.9
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OBJECT:32:_ZTIPKh@@CXXABI_1.3
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OBJECT:32:_ZTIPKi@@CXXABI_1.3
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OBJECT:32:_ZTIPKj@@CXXABI_1.3
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@ -3174,6 +3180,7 @@ OBJECT:32:_ZTIPc@@CXXABI_1.3
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OBJECT:32:_ZTIPd@@CXXABI_1.3
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OBJECT:32:_ZTIPe@@CXXABI_1.3
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OBJECT:32:_ZTIPf@@CXXABI_1.3
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OBJECT:32:_ZTIPg@@CXXABI_1.3.9
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OBJECT:32:_ZTIPh@@CXXABI_1.3
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OBJECT:32:_ZTIPi@@CXXABI_1.3
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OBJECT:32:_ZTIPj@@CXXABI_1.3
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@ -3228,11 +3235,14 @@ OBJECT:3:_ZTSPc@@CXXABI_1.3
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OBJECT:3:_ZTSPd@@CXXABI_1.3
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OBJECT:3:_ZTSPe@@CXXABI_1.3
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OBJECT:3:_ZTSPf@@CXXABI_1.3
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OBJECT:3:_ZTSPg@@CXXABI_1.3.9
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OBJECT:3:_ZTSPh@@CXXABI_1.3
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OBJECT:3:_ZTSPi@@CXXABI_1.3
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OBJECT:3:_ZTSPj@@CXXABI_1.3
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OBJECT:3:_ZTSPl@@CXXABI_1.3
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OBJECT:3:_ZTSPm@@CXXABI_1.3
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OBJECT:3:_ZTSPn@@CXXABI_1.3.9
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OBJECT:3:_ZTSPo@@CXXABI_1.3.9
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OBJECT:3:_ZTSPs@@CXXABI_1.3
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OBJECT:3:_ZTSPt@@CXXABI_1.3
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OBJECT:3:_ZTSPv@@CXXABI_1.3
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@ -3555,11 +3565,14 @@ OBJECT:4:_ZTSPKc@@CXXABI_1.3
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OBJECT:4:_ZTSPKd@@CXXABI_1.3
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OBJECT:4:_ZTSPKe@@CXXABI_1.3
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OBJECT:4:_ZTSPKf@@CXXABI_1.3
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OBJECT:4:_ZTSPKg@@CXXABI_1.3.9
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OBJECT:4:_ZTSPKh@@CXXABI_1.3
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OBJECT:4:_ZTSPKi@@CXXABI_1.3
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OBJECT:4:_ZTSPKj@@CXXABI_1.3
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OBJECT:4:_ZTSPKl@@CXXABI_1.3
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OBJECT:4:_ZTSPKm@@CXXABI_1.3
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OBJECT:4:_ZTSPKn@@CXXABI_1.3.9
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OBJECT:4:_ZTSPKo@@CXXABI_1.3.9
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OBJECT:4:_ZTSPKs@@CXXABI_1.3
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OBJECT:4:_ZTSPKt@@CXXABI_1.3
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OBJECT:4:_ZTSPKv@@CXXABI_1.3
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@ -321,10 +321,10 @@ CXXABI_2.0 {
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_ZTIPDn;
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_ZTIPKDn;
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# typeinfo for __int128 and unsigned __int128
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_ZTI[no];
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_ZTIP[no];
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_ZTIPK[no];
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# typeinfo for __int128, unsigned __int128 and __float128
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_ZTI[gno];
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_ZTIP[gno];
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_ZTIPK[gno];
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# virtual table
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_ZTVN10__cxxabiv117__array_type_infoE;
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@ -1584,6 +1584,20 @@ CXXABI_1.3.8 {
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} CXXABI_1.3.7;
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CXXABI_1.3.9 {
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# typeinfo name for __int128, unsigned __int128 and __float128
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_ZTS[gno];
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_ZTSP[gno];
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_ZTSPK[gno];
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# typeinfo for __float128
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_ZTIg;
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_ZTIPg;
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_ZTIPKg;
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} CXXABI_1.3.8;
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# Symbols in the support library (libsupc++) supporting transactional memory.
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CXXABI_TM_1 {
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