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machmode.h (int_n_data_t): New. 

* machmode.h (int_n_data_t): New.
	(int_n_enabled_p): New.
	(int_n_data): New.
	* tree.c (int_n_enabled_p): New.
	(int_n_trees): New.
	(make_or_reuse_type): Check for all __intN types, not just
	__int128.
	(build_common_tree_nodes): Likewise.  Also fill in integer_typs[]
	entries.
	* tree.h (int128_integer_type_node): Remove.
	(int128_unsigned_type_node): Remove.
	(int_n_trees_t): New.
	(int_n_enabled_p): New.
	(int_n_trees): New.
	* toplev.c (standard_type_bitsize): New.
	(do_compile): Check which __intN types are enabled for the current
	run.
	* builtin-types.def (BT_INT128): Remove.
	(BT_UINT128): Remove.
	* machmode.def: Add macro to create __int128 for all targets.
	* stor-layout.c (mode_for_size): Support __intN types.
	(smallest_mode_for_size): Likewise.
	(initialize_sizetypes): Support __intN types.
	* genmodes.c (struct mode_data): Add int_n field.
	(blank_mode): Likewise.
	(INT_N): New.
	(make_int_n): New.
	(emit_insn_modes_h): Count __intN entries and define
	NUM_INT_N_ENTS.
	(emit_mode_int_n): New.
	(emit_insn_modes_c): Call it.
	* gimple.c (gimple_signed_or_unsigned_type): Check for all __intN
	types, not just __int128.
	* tree-core.h (integer_type_kind): Remove __int128-specific
	entries, reserve spots for __intN entries.

libstdc++-v3/
	* src/c++11/limits.cc: Add support for __intN types.
	* include/std/type_traits: Likewise.
	* include/std/limits: Likewise.
	* include/c_std/cstdlib: Likewise.
	* include/bits/cpp_type_traits.h: Likewise.
	* include/c_global/cstdlib: Likewise.

c-family/
	* c-pretty-print.c (pp_c_integer_constant): Check for all __intN
	types, not just __int128.
	* c-cppbuiltin.c (c_cpp_builtins): Add builtins for all __intN
	types, not just __int128.
	(cpp_atomic_builtins): Round pointer sizes up.
	(type_suffix): Use type precision, not specific types.
	* c-common.c (c_common_reswords): Remove __int128 special case.
	(c_common_type_for_size): Check for all __intN types, not just
	__int128.
	(c_common_type_for_mode): Likewise.
	(c_common_signed_or_unsigned_type): Likewise.
	(c_build_bitfield_integer_type): Likewise.
	(c_common_nodes_and_builtins): Likewise.
	(keyword_begins_type_specifier): Likewise.
	* c-common.h (rid): Remove RID_INT128 and add RID_INT_N_* for all
	__intN variants.

c/
	* c-parser.c (c_parse_init): Add RID entries for each __intN.
	(c_token_starts_typename): Check all __intN, not just __int128.
	(c_token_starts_declspecs): Likewise.
	(c_parser_declspecs): Likewise.
	(c_parser_attribute_any_word): Likewise.
	(c_parser_objc_selector): Likewise.
	* c-tree.h (c_typespec_keyword): cts_int128 -> cts_int_n.
	(struct c_declspecs): Add int_n_idx field to record *which* __intN
	is specified.
	* c-decl.c (declspecs_add_type): Check for all __intN, not just
	__int128.
	(finish_declspecs): Likewise.

testsuite/
	* g++.dg/abi/mangle64.C: New.

cp/
	* typeck.c (cp_common_type): Check for all __intN types, not just
	__int128.
	* decl.c (grokdeclarator): Likewise.
	* rtti.c (emit_support_tinfos): Check for all __intN types, not just
	__int128.
	* parser.c (cp_lexer_next_token_is_decl_specifier_keyword): Check
	for all __intN types, not just __int128.
	(cp_parser_simple_type_specifier): Likewise.
	* mangle.c (integer_type_codes): Remove int128-specific codes.
	* cp-tree.h (cp_decl_specifier_seq): Add int_n_idx to store which
	__intN was specified.
	* lex.c (init_reswords): Reserve all __intN keywords.

lto/
	* lto-lang.c (lto_build_c_type_nodes): Check intN types for
	size-type as well.
	(lto_init): Initialize all intN types, not just int128.

From-SVN: r216220
This commit is contained in:
DJ Delorie 2014-10-14 15:44:36 -04:00 committed by DJ Delorie
parent df3e34938d
commit 78a7c3172f
39 changed files with 1041 additions and 353 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

40
gcc/ChangeLog
View File

@ -1,3 +1,43 @@
2014-10-14 DJ Delorie <dj@redhat.com>
* machmode.h (int_n_data_t): New.
(int_n_enabled_p): New.
(int_n_data): New.
* tree.c (int_n_enabled_p): New.
(int_n_trees): New.
(make_or_reuse_type): Check for all __intN types, not just
__int128.
(build_common_tree_nodes): Likewise. Also fill in integer_typs[]
entries.
* tree.h (int128_integer_type_node): Remove.
(int128_unsigned_type_node): Remove.
(int_n_trees_t): New.
(int_n_enabled_p): New.
(int_n_trees): New.
* toplev.c (standard_type_bitsize): New.
(do_compile): Check which __intN types are enabled for the current
run.
* builtin-types.def (BT_INT128): Remove.
(BT_UINT128): Remove.
* machmode.def: Add macro to create __int128 for all targets.
* stor-layout.c (mode_for_size): Support __intN types.
(smallest_mode_for_size): Likewise.
(initialize_sizetypes): Support __intN types.
* genmodes.c (struct mode_data): Add int_n field.
(blank_mode): Likewise.
(INT_N): New.
(make_int_n): New.
(emit_insn_modes_h): Count __intN entries and define
NUM_INT_N_ENTS.
(emit_mode_int_n): New.
(emit_insn_modes_c): Call it.
* gimple.c (gimple_signed_or_unsigned_type): Check for all __intN
types, not just __int128.
* tree-core.h (integer_type_kind): Remove __int128-specific
entries, reserve spots for __intN entries.
* config/msp430/msp430-modes.def (PSI): Add.
2014-10-14 Kito Cheng <kito@0xlab.org>
* ira.c: Fix typo in comment.

2
gcc/builtin-types.def
View File

@ -65,8 +65,6 @@ DEF_PRIMITIVE_TYPE (BT_LONG, long_integer_type_node)
DEF_PRIMITIVE_TYPE (BT_ULONG, long_unsigned_type_node)
DEF_PRIMITIVE_TYPE (BT_LONGLONG, long_long_integer_type_node)
DEF_PRIMITIVE_TYPE (BT_ULONGLONG, long_long_unsigned_type_node)
DEF_PRIMITIVE_TYPE (BT_INT128, int128_integer_type_node)
DEF_PRIMITIVE_TYPE (BT_UINT128, int128_unsigned_type_node)
DEF_PRIMITIVE_TYPE (BT_INTMAX, intmax_type_node)
DEF_PRIMITIVE_TYPE (BT_UINTMAX, uintmax_type_node)
DEF_PRIMITIVE_TYPE (BT_UINT16, uint16_type_node)

19
gcc/c-family/ChangeLog
View File

@ -1,3 +1,22 @@
2014-10-14 DJ Delorie <dj@redhat.com>
* c-pretty-print.c (pp_c_integer_constant): Check for all __intN
types, not just __int128.
* c-cppbuiltin.c (c_cpp_builtins): Add builtins for all __intN
types, not just __int128.
(cpp_atomic_builtins): Round pointer sizes up.
(type_suffix): Use type precision, not specific types.
* c-common.c (c_common_reswords): Remove __int128 special case.
(c_common_type_for_size): Check for all __intN types, not just
__int128.
(c_common_type_for_mode): Likewise.
(c_common_signed_or_unsigned_type): Likewise.
(c_build_bitfield_integer_type): Likewise.
(c_common_nodes_and_builtins): Likewise.
(keyword_begins_type_specifier): Likewise.
* c-common.h (rid): Remove RID_INT128 and add RID_INT_N_* for all
__intN variants.
2014-10-12 Trevor Saunders <tsaunders@mozilla.com>
* c-common.c: Use hash_table instead of hashtab.

82
gcc/c-family/c-common.c
View File

@ -61,12 +61,10 @@ cpp_reader *parse_in; /* Declared in c-pragma.h. */
tree short_integer_type_node;
tree long_integer_type_node;
tree long_long_integer_type_node;
tree int128_integer_type_node;
tree short_unsigned_type_node;
tree long_unsigned_type_node;
tree long_long_unsigned_type_node;
tree int128_unsigned_type_node;
tree truthvalue_type_node;
tree truthvalue_false_node;
@ -468,7 +466,6 @@ const struct c_common_resword c_common_reswords[] =
{ "__imag__", RID_IMAGPART, 0 },
{ "__inline", RID_INLINE, 0 },
{ "__inline__", RID_INLINE, 0 },
{ "__int128", RID_INT128, 0 },
{ "__is_abstract", RID_IS_ABSTRACT, D_CXXONLY },
{ "__is_base_of", RID_IS_BASE_OF, D_CXXONLY },
{ "__is_class", RID_IS_CLASS, D_CXXONLY },
@ -3449,6 +3446,8 @@ check_case_bounds (location_t loc, tree type, tree orig_type,
tree
c_common_type_for_size (unsigned int bits, int unsignedp)
{
int i;
if (bits == TYPE_PRECISION (integer_type_node))
return unsignedp ? unsigned_type_node : integer_type_node;
@ -3465,10 +3464,11 @@ c_common_type_for_size (unsigned int bits, int unsignedp)
return (unsignedp ? long_long_unsigned_type_node
: long_long_integer_type_node);
if (int128_integer_type_node
&& bits == TYPE_PRECISION (int128_integer_type_node))
return (unsignedp ? int128_unsigned_type_node
: int128_integer_type_node);
for (i = 0; i < NUM_INT_N_ENTS; i ++)
if (int_n_enabled_p[i]
&& bits == int_n_data[i].bitsize)
return (unsignedp ? int_n_trees[i].unsigned_type
: int_n_trees[i].signed_type);
if (bits == TYPE_PRECISION (widest_integer_literal_type_node))
return (unsignedp ? widest_unsigned_literal_type_node
@ -3532,6 +3532,7 @@ tree
c_common_type_for_mode (enum machine_mode mode, int unsignedp)
{
tree t;
int i;
if (mode == TYPE_MODE (integer_type_node))
return unsignedp ? unsigned_type_node : integer_type_node;
@ -3548,9 +3549,11 @@ c_common_type_for_mode (enum machine_mode mode, int unsignedp)
if (mode == TYPE_MODE (long_long_integer_type_node))
return unsignedp ? long_long_unsigned_type_node : long_long_integer_type_node;
if (int128_integer_type_node
&& mode == TYPE_MODE (int128_integer_type_node))
return unsignedp ? int128_unsigned_type_node : int128_integer_type_node;
for (i = 0; i < NUM_INT_N_ENTS; i ++)
if (int_n_enabled_p[i]
&& mode == int_n_data[i].m)
return (unsignedp ? int_n_trees[i].unsigned_type
: int_n_trees[i].signed_type);
if (mode == TYPE_MODE (widest_integer_literal_type_node))
return unsignedp ? widest_unsigned_literal_type_node
@ -3748,6 +3751,7 @@ tree
c_common_signed_or_unsigned_type (int unsignedp, tree type)
{
tree type1;
int i;
/* This block of code emulates the behavior of the old
c_common_unsigned_type. In particular, it returns
@ -3766,10 +3770,14 @@ c_common_signed_or_unsigned_type (int unsignedp, tree type)
return unsignedp ? long_unsigned_type_node : long_integer_type_node;
if (type1 == long_long_integer_type_node || type1 == long_long_unsigned_type_node)
return unsignedp ? long_long_unsigned_type_node : long_long_integer_type_node;
if (int128_integer_type_node
&& (type1 == int128_integer_type_node
|| type1 == int128_unsigned_type_node))
return unsignedp ? int128_unsigned_type_node : int128_integer_type_node;
for (i = 0; i < NUM_INT_N_ENTS; i ++)
if (int_n_enabled_p[i]
&& (type1 == int_n_trees[i].unsigned_type
|| type1 == int_n_trees[i].signed_type))
return (unsignedp ? int_n_trees[i].unsigned_type
: int_n_trees[i].signed_type);
if (type1 == widest_integer_literal_type_node || type1 == widest_unsigned_literal_type_node)
return unsignedp ? widest_unsigned_literal_type_node : widest_integer_literal_type_node;
#if HOST_BITS_PER_WIDE_INT >= 64
@ -3884,9 +3892,14 @@ c_common_signed_or_unsigned_type (int unsignedp, tree type)
if (TYPE_OK (long_long_integer_type_node))
return (unsignedp ? long_long_unsigned_type_node
: long_long_integer_type_node);
if (int128_integer_type_node && TYPE_OK (int128_integer_type_node))
return (unsignedp ? int128_unsigned_type_node
: int128_integer_type_node);
for (i = 0; i < NUM_INT_N_ENTS; i ++)
if (int_n_enabled_p[i]
&& TYPE_MODE (type) == int_n_data[i].m
&& TYPE_PRECISION (type) == int_n_data[i].bitsize)
return (unsignedp ? int_n_trees[i].unsigned_type
: int_n_trees[i].signed_type);
if (TYPE_OK (widest_integer_literal_type_node))
return (unsignedp ? widest_unsigned_literal_type_node
: widest_integer_literal_type_node);
@ -3913,6 +3926,8 @@ c_common_signed_or_unsigned_type (int unsignedp, tree type)
tree
c_build_bitfield_integer_type (unsigned HOST_WIDE_INT width, int unsignedp)
{
int i;
/* Extended integer types of the same width as a standard type have
lesser rank, so those of the same width as int promote to int or
unsigned int and are valid for printf formats expecting int or
@ -3930,10 +3945,11 @@ c_build_bitfield_integer_type (unsigned HOST_WIDE_INT width, int unsignedp)
if (width == TYPE_PRECISION (long_long_integer_type_node))
return (unsignedp ? long_long_unsigned_type_node
: long_long_integer_type_node);
if (int128_integer_type_node
&& width == TYPE_PRECISION (int128_integer_type_node))
return (unsignedp ? int128_unsigned_type_node
: int128_integer_type_node);
for (i = 0; i < NUM_INT_N_ENTS; i ++)
if (int_n_enabled_p[i]
&& width == int_n_data[i].bitsize)
return (unsignedp ? int_n_trees[i].unsigned_type
: int_n_trees[i].signed_type);
return build_nonstandard_integer_type (width, unsignedp);
}
@ -5338,6 +5354,7 @@ c_common_nodes_and_builtins (void)
tree array_domain_type;
tree va_list_ref_type_node;
tree va_list_arg_type_node;
int i;
build_common_tree_nodes (flag_signed_char, flag_short_double);
@ -5354,13 +5371,19 @@ c_common_nodes_and_builtins (void)
record_builtin_type (RID_UNSIGNED, "unsigned int", unsigned_type_node);
record_builtin_type (RID_MAX, "long unsigned int",
long_unsigned_type_node);
if (int128_integer_type_node != NULL_TREE)
for (i = 0; i < NUM_INT_N_ENTS; i ++)
{
record_builtin_type (RID_INT128, "__int128",
int128_integer_type_node);
record_builtin_type (RID_MAX, "__int128 unsigned",
int128_unsigned_type_node);
char name[25];
sprintf (name, "__int%d", int_n_data[i].bitsize);
record_builtin_type ((enum rid)(RID_FIRST_INT_N + i), xstrdup (name),
int_n_trees[i].signed_type);
sprintf (name, "__int%d unsigned", int_n_data[i].bitsize);
record_builtin_type (RID_MAX, xstrdup (name),
int_n_trees[i].unsigned_type);
}
if (c_dialect_cxx ())
record_builtin_type (RID_MAX, "unsigned long", long_unsigned_type_node);
record_builtin_type (RID_MAX, "long long int",
@ -5396,6 +5419,8 @@ c_common_nodes_and_builtins (void)
TYPE_DECL, NULL_TREE,
intDI_type_node));
#if HOST_BITS_PER_WIDE_INT >= 64
/* Note that this is different than the __int128 type that's part of
the generic __intN support. */
if (targetm.scalar_mode_supported_p (TImode))
lang_hooks.decls.pushdecl (build_decl (UNKNOWN_LOCATION,
TYPE_DECL,
@ -11762,7 +11787,6 @@ keyword_begins_type_specifier (enum rid keyword)
case RID_FLOAT:
case RID_DOUBLE:
case RID_VOID:
case RID_INT128:
case RID_UNSIGNED:
case RID_LONG:
case RID_SHORT:
@ -11785,6 +11809,10 @@ keyword_begins_type_specifier (enum rid keyword)
case RID_ENUM:
return true;
default:
if (keyword >= RID_FIRST_INT_N
&& keyword < RID_FIRST_INT_N + NUM_INT_N_ENTS
&& int_n_enabled_p[keyword-RID_FIRST_INT_N])
return true;
return false;
}
}

18
gcc/c-family/c-common.h
View File

@ -91,7 +91,6 @@ enum rid
/* C */
RID_INT, RID_CHAR, RID_FLOAT, RID_DOUBLE, RID_VOID,
RID_INT128,
RID_ENUM, RID_STRUCT, RID_UNION, RID_IF, RID_ELSE,
RID_WHILE, RID_DO, RID_FOR, RID_SWITCH, RID_CASE,
RID_DEFAULT, RID_BREAK, RID_CONTINUE, RID_RETURN, RID_GOTO,
@ -190,6 +189,23 @@ enum rid
RID_FIRST_ADDR_SPACE = RID_ADDR_SPACE_0,
RID_LAST_ADDR_SPACE = RID_ADDR_SPACE_15,
/* __intN keywords. The _N_M here doesn't correspond to the intN
in the keyword; use the bitsize in int_n_t_data_t[M] for that.
For example, if int_n_t_data_t[0].bitsize is 13, then RID_INT_N_0
is for __int13. */
/* Note that the range to use is RID_FIRST_INT_N through
RID_FIRST_INT_N + NUM_INT_N_ENTS - 1 and c-parser.c has a list of
all RID_INT_N_* in a case statement. */
RID_INT_N_0,
RID_INT_N_1,
RID_INT_N_2,
RID_INT_N_3,
RID_FIRST_INT_N = RID_INT_N_0,
RID_LAST_INT_N = RID_INT_N_3,
RID_MAX,
RID_FIRST_MODIFIER = RID_STATIC,

37
gcc/c-family/c-cppbuiltin.c
View File

@ -771,6 +771,8 @@ cpp_iec_559_complex_value (void)
void
c_cpp_builtins (cpp_reader *pfile)
{
int i;
/* -undef turns off target-specific built-ins. */
if (flag_undef)
return;
@ -889,6 +891,23 @@ c_cpp_builtins (cpp_reader *pfile)
builtin_define_type_max ("__PTRDIFF_MAX__", ptrdiff_type_node);
builtin_define_type_max ("__SIZE_MAX__", size_type_node);
for (i = 0; i < NUM_INT_N_ENTS; i ++)
if (int_n_enabled_p[i])
{
char buf[35+20+20];
/* These are used to configure the C++ library. */
if (!flag_iso || int_n_data[i].bitsize == POINTER_SIZE)
{
sprintf (buf, "__GLIBCXX_TYPE_INT_N_%d=__int%d", i, int_n_data[i].bitsize);
cpp_define (parse_in, buf);
sprintf (buf, "__GLIBCXX_BITSIZE_INT_N_%d=%d", i, int_n_data[i].bitsize);
cpp_define (parse_in, buf);
}
}
/* stdint.h and the testsuite need to know these. */
builtin_define_stdint_macros ();
@ -1169,9 +1188,14 @@ c_cpp_builtins (cpp_reader *pfile)
if (flag_openmp)
cpp_define (pfile, "_OPENMP=201307");
if (int128_integer_type_node != NULL_TREE)
builtin_define_type_sizeof ("__SIZEOF_INT128__",
int128_integer_type_node);
for (i = 0; i < NUM_INT_N_ENTS; i ++)
if (int_n_enabled_p[i])
{
char buf[15+20];
sprintf(buf, "__SIZEOF_INT%d__", int_n_data[i].bitsize);
builtin_define_type_sizeof (buf,
int_n_trees[i].signed_type);
}
builtin_define_type_sizeof ("__SIZEOF_WCHAR_T__", wchar_type_node);
builtin_define_type_sizeof ("__SIZEOF_WINT_T__", wint_type_node);
builtin_define_type_sizeof ("__SIZEOF_PTRDIFF_T__",
@ -1445,12 +1469,15 @@ type_suffix (tree type)
static const char *const suffixes[] = { "", "U", "L", "UL", "LL", "ULL" };
int unsigned_suffix;
int is_long;
int tp = TYPE_PRECISION (type);
if (type == long_long_integer_type_node
|| type == long_long_unsigned_type_node)
|| type == long_long_unsigned_type_node
|| tp > TYPE_PRECISION (long_integer_type_node))
is_long = 2;
else if (type == long_integer_type_node
|| type == long_unsigned_type_node)
|| type == long_unsigned_type_node
|| tp > TYPE_PRECISION (integer_type_node))
is_long = 1;
else if (type == integer_type_node
|| type == unsigned_type_node

16
gcc/c-family/c-pretty-print.c
View File

@ -920,6 +920,8 @@ pp_c_void_constant (c_pretty_printer *pp)
static void
pp_c_integer_constant (c_pretty_printer *pp, tree i)
{
int idx;
/* We are going to compare the type of I to other types using
pointer comparison so we need to use its canonical type. */
tree type =
@ -950,9 +952,17 @@ pp_c_integer_constant (c_pretty_printer *pp, tree i)
else if (type == long_long_integer_type_node
|| type == long_long_unsigned_type_node)
pp_string (pp, "ll");
else if (type == int128_integer_type_node
|| type == int128_unsigned_type_node)
pp_string (pp, "I128");
else for (idx = 0; idx < NUM_INT_N_ENTS; idx ++)
if (int_n_enabled_p[idx])
{
char buf[2+20];
if (type == int_n_trees[idx].signed_type
|| type == int_n_trees[idx].unsigned_type)
{
sprintf (buf, "I%d", int_n_data[idx].bitsize);
pp_string (pp, buf);
}
}
}
/* Print out a CHARACTER literal. */

15
gcc/c/ChangeLog
View File

@ -1,3 +1,18 @@
2014-10-14 DJ Delorie <dj@redhat.com>
* c-parser.c (c_parse_init): Add RID entries for each __intN.
(c_token_starts_typename): Check all __intN, not just __int128.
(c_token_starts_declspecs): Likewise.
(c_parser_declspecs): Likewise.
(c_parser_attribute_any_word): Likewise.
(c_parser_objc_selector): Likewise.
* c-tree.h (c_typespec_keyword): cts_int128 -> cts_int_n.
(struct c_declspecs): Add int_n_idx field to record *which* __intN
is specified.
* c-decl.c (declspecs_add_type): Check for all __intN, not just
__int128.
(finish_declspecs): Likewise.
2014-10-13 Anthony Brandon <anthony.brandon@gmail.com>
* c-parser.c (c_parser_all_labels): New function to replace

69
gcc/c/c-decl.c
View File

@ -9369,10 +9369,11 @@ declspecs_add_type (location_t loc, struct c_declspecs *specs,
error_at (loc,
("both %<long%> and %<void%> in "
"declaration specifiers"));
else if (specs->typespec_word == cts_int128)
else if (specs->typespec_word == cts_int_n)
error_at (loc,
("both %<long%> and %<__int128%> in "
"declaration specifiers"));
("both %<long%> and %<__int%d%> in "
"declaration specifiers"),
int_n_data[specs->int_n_idx].bitsize);
else if (specs->typespec_word == cts_bool)
error_at (loc,
("both %<long%> and %<_Bool%> in "
@ -9417,10 +9418,11 @@ declspecs_add_type (location_t loc, struct c_declspecs *specs,
error_at (loc,
("both %<short%> and %<void%> in "
"declaration specifiers"));
else if (specs->typespec_word == cts_int128)
else if (specs->typespec_word == cts_int_n)
error_at (loc,
("both %<short%> and %<__int128%> in "
"declaration specifiers"));
("both %<short%> and %<__int%d%> in "
"declaration specifiers"),
int_n_data[specs->int_n_idx].bitsize);
else if (specs->typespec_word == cts_bool)
error_at (loc,
("both %<short%> and %<_Bool%> in "
@ -9594,11 +9596,12 @@ declspecs_add_type (location_t loc, struct c_declspecs *specs,
dupe = specs->saturating_p;
pedwarn (loc, OPT_Wpedantic,
"ISO C does not support saturating types");
if (specs->typespec_word == cts_int128)
if (specs->typespec_word == cts_int_n)
{
error_at (loc,
("both %<_Sat%> and %<__int128%> in "
"declaration specifiers"));
("both %<_Sat%> and %<__int%d%> in "
"declaration specifiers"),
int_n_data[specs->int_n_idx].bitsize);
}
else if (specs->typespec_word == cts_auto_type)
error_at (loc,
@ -9662,7 +9665,7 @@ declspecs_add_type (location_t loc, struct c_declspecs *specs,
else
{
/* "void", "_Bool", "char", "int", "float", "double", "_Decimal32",
"__int128", "_Decimal64", "_Decimal128", "_Fract", "_Accum" or
"__intN", "_Decimal64", "_Decimal128", "_Fract", "_Accum" or
"__auto_type". */
if (specs->typespec_word != cts_none)
{
@ -9703,31 +9706,41 @@ declspecs_add_type (location_t loc, struct c_declspecs *specs,
specs->locations[cdw_typespec] = loc;
}
return specs;
case RID_INT128:
if (int128_integer_type_node == NULL_TREE)
{
error_at (loc, "%<__int128%> is not supported for this target");
return specs;
}
if (!in_system_header_at (input_location))
case RID_INT_N_0:
case RID_INT_N_1:
case RID_INT_N_2:
case RID_INT_N_3:
specs->int_n_idx = i - RID_INT_N_0;
if (!in_system_header_at (input_location)
/* As a special exception, allow a type that's used
for __SIZE_TYPE__. */
&& int_n_data[specs->int_n_idx].bitsize != POINTER_SIZE)
pedwarn (loc, OPT_Wpedantic,
"ISO C does not support %<__int128%> type");
"ISO C does not support %<__int%d%> types",
int_n_data[specs->int_n_idx].bitsize);
if (specs->long_p)
error_at (loc,
("both %<__int128%> and %<long%> in "
"declaration specifiers"));
("both %<__int%d%> and %<long%> in "
"declaration specifiers"),
int_n_data[specs->int_n_idx].bitsize);
else if (specs->saturating_p)
error_at (loc,
("both %<_Sat%> and %<__int128%> in "
"declaration specifiers"));
("both %<_Sat%> and %<__int%d%> in "
"declaration specifiers"),
int_n_data[specs->int_n_idx].bitsize);
else if (specs->short_p)
error_at (loc,
("both %<__int128%> and %<short%> in "
"declaration specifiers"));
("both %<__int%d%> and %<short%> in "
"declaration specifiers"),
int_n_data[specs->int_n_idx].bitsize);
else if (! int_n_enabled_p [specs->int_n_idx])
error_at (loc,
"%<__int%d%> is not supported on this target",
int_n_data[specs->int_n_idx].bitsize);
else
{
specs->typespec_word = cts_int128;
specs->typespec_word = cts_int_n;
specs->locations[cdw_typespec] = loc;
}
return specs;
@ -10295,12 +10308,12 @@ finish_declspecs (struct c_declspecs *specs)
specs->type = build_complex_type (specs->type);
}
break;
case cts_int128:
case cts_int_n:
gcc_assert (!specs->long_p && !specs->short_p && !specs->long_long_p);
gcc_assert (!(specs->signed_p && specs->unsigned_p));
specs->type = (specs->unsigned_p
? int128_unsigned_type_node
: int128_integer_type_node);
? int_n_trees[specs->int_n_idx].unsigned_type
: int_n_trees[specs->int_n_idx].signed_type);
if (specs->complex_p)
{
pedwarn (specs->locations[cdw_complex], OPT_Wpedantic,

37
gcc/c/c-parser.c
View File

@ -113,6 +113,16 @@ c_parse_init (void)
C_IS_RESERVED_WORD (id) = 1;
ridpointers [(int) c_common_reswords[i].rid] = id;
}
for (i = 0; i < NUM_INT_N_ENTS; i++)
{
/* We always create the symbols but they aren't always supported. */
char name[50];
sprintf (name, "__int%d", int_n_data[i].bitsize);
id = get_identifier (xstrdup (name));
C_SET_RID_CODE (id, RID_FIRST_INT_N + i);
C_IS_RESERVED_WORD (id) = 1;
}
}
/* The C lexer intermediates between the lexer in cpplib and c-lex.c
@ -483,7 +493,6 @@ c_token_starts_typename (c_token *token)
{
case RID_UNSIGNED:
case RID_LONG:
case RID_INT128:
case RID_SHORT:
case RID_SIGNED:
case RID_COMPLEX:
@ -511,6 +520,10 @@ c_token_starts_typename (c_token *token)
case RID_AUTO_TYPE:
return true;
default:
if (token->keyword >= RID_FIRST_INT_N
&& token->keyword < RID_FIRST_INT_N + NUM_INT_N_ENTS
&& int_n_enabled_p[token->keyword - RID_FIRST_INT_N])
return true;
return false;
}
case CPP_LESS:
@ -641,7 +654,6 @@ c_token_starts_declspecs (c_token *token)
case RID_THREAD:
case RID_UNSIGNED:
case RID_LONG:
case RID_INT128:
case RID_SHORT:
case RID_SIGNED:
case RID_COMPLEX:
@ -670,6 +682,10 @@ c_token_starts_declspecs (c_token *token)
case RID_AUTO_TYPE:
return true;
default:
if (token->keyword >= RID_FIRST_INT_N
&& token->keyword < RID_FIRST_INT_N + NUM_INT_N_ENTS
&& int_n_enabled_p[token->keyword - RID_FIRST_INT_N])
return true;
return false;
}
case CPP_LESS:
@ -2158,7 +2174,7 @@ c_parser_static_assert_declaration_no_semi (c_parser *parser)
type-specifier:
typeof-specifier
__auto_type
__int128
__intN
_Decimal32
_Decimal64
_Decimal128
@ -2312,7 +2328,6 @@ c_parser_declspecs (c_parser *parser, struct c_declspecs *specs,
/* Fall through. */
case RID_UNSIGNED:
case RID_LONG:
case RID_INT128:
case RID_SHORT:
case RID_SIGNED:
case RID_COMPLEX:
@ -2328,6 +2343,10 @@ c_parser_declspecs (c_parser *parser, struct c_declspecs *specs,
case RID_FRACT:
case RID_ACCUM:
case RID_SAT:
case RID_INT_N_0:
case RID_INT_N_1:
case RID_INT_N_2:
case RID_INT_N_3:
if (!typespec_ok)
goto out;
attrs_ok = true;
@ -3738,7 +3757,6 @@ c_parser_attribute_any_word (c_parser *parser)
case RID_STATIC:
case RID_UNSIGNED:
case RID_LONG:
case RID_INT128:
case RID_CONST:
case RID_EXTERN:
case RID_REGISTER:
@ -3768,6 +3786,10 @@ c_parser_attribute_any_word (c_parser *parser)
case RID_TRANSACTION_CANCEL:
case RID_ATOMIC:
case RID_AUTO_TYPE:
case RID_INT_N_0:
case RID_INT_N_1:
case RID_INT_N_2:
case RID_INT_N_3:
ok = true;
break;
default:
@ -8992,7 +9014,6 @@ c_parser_objc_selector (c_parser *parser)
case RID_ALIGNOF:
case RID_UNSIGNED:
case RID_LONG:
case RID_INT128:
case RID_CONST:
case RID_SHORT:
case RID_VOLATILE:
@ -9013,6 +9034,10 @@ c_parser_objc_selector (c_parser *parser)
case RID_BOOL:
case RID_ATOMIC:
case RID_AUTO_TYPE:
case RID_INT_N_0:
case RID_INT_N_1:
case RID_INT_N_2:
case RID_INT_N_3:
c_parser_consume_token (parser);
return value;
default:

4
gcc/c/c-tree.h
View File

@ -202,7 +202,7 @@ enum c_typespec_keyword {
cts_char,
cts_int,
cts_float,
cts_int128,
cts_int_n,
cts_double,
cts_dfloat32,
cts_dfloat64,
@ -269,6 +269,8 @@ struct c_declspecs {
specifier, in bytes, or -1 if no such specifiers with nonzero
alignment. */
int align_log;
/* For the __intN declspec, this stores the index into the int_n_* arrays. */
int int_n_idx;
/* The storage class specifier, or csc_none if none. */
enum c_storage_class storage_class;
/* Any type specifier keyword used such as "int", not reflecting

15
gcc/cp/ChangeLog
View File

@ -1,3 +1,18 @@
2014-10-14 DJ Delorie <dj@redhat.com>
* typeck.c (cp_common_type): Check for all __intN types, not just
__int128.
* decl.c (grokdeclarator): Likewise.
* rtti.c (emit_support_tinfos): Check for all __intN types, not just
__int128.
* parser.c (cp_lexer_next_token_is_decl_specifier_keyword): Check
for all __intN types, not just __int128.
(cp_parser_simple_type_specifier): Likewise.
* mangle.c (integer_type_codes): Remove int128-specific codes.
* cp-tree.h (cp_decl_specifier_seq): Add int_n_idx to store which
__intN was specified.
* lex.c (init_reswords): Reserve all __intN keywords.
2014-10-14 Marc Glisse <marc.glisse@inria.fr>
* typeck.c (cp_build_unary_op) [TRUTH_NOT_EXPR]: Accept float vectors.

6
gcc/cp/cp-tree.h
View File

@ -4899,6 +4899,8 @@ typedef struct cp_decl_specifier_seq {
/* The storage class specified -- or sc_none if no storage class was
explicitly specified. */
cp_storage_class storage_class;
/* For the __intN declspec, this stores the index into the int_n_* arrays. */
int int_n_idx;
/* True iff TYPE_SPEC defines a class or enum. */
BOOL_BITFIELD type_definition_p : 1;
/* True iff multiple types were (erroneously) specified for this
@ -4914,8 +4916,8 @@ typedef struct cp_decl_specifier_seq {
BOOL_BITFIELD any_type_specifiers_p : 1;
/* True iff "int" was explicitly provided. */
BOOL_BITFIELD explicit_int_p : 1;
/* True iff "__int128" was explicitly provided. */
BOOL_BITFIELD explicit_int128_p : 1;
/* True iff "__intN" was explicitly provided. */
BOOL_BITFIELD explicit_intN_p : 1;
/* True iff "char" was explicitly provided. */
BOOL_BITFIELD explicit_char_p : 1;
/* True iff ds_thread is set for __thread, not thread_local. */

36
gcc/cp/decl.c
View File

@ -8802,7 +8802,7 @@ grokdeclarator (const cp_declarator *declarator,
{
tree type = NULL_TREE;
int longlong = 0;
int explicit_int128 = 0;
int explicit_intN = 0;
int virtualp, explicitp, friendp, inlinep, staticp;
int explicit_int = 0;
int explicit_char = 0;
@ -8875,7 +8875,7 @@ grokdeclarator (const cp_declarator *declarator,
short_p = decl_spec_seq_has_spec_p (declspecs, ds_short);
long_p = decl_spec_seq_has_spec_p (declspecs, ds_long);
longlong = decl_spec_seq_has_spec_p (declspecs, ds_long_long);
explicit_int128 = declspecs->explicit_int128_p;
explicit_intN = declspecs->explicit_intN_p;
thread_p = decl_spec_seq_has_spec_p (declspecs, ds_thread);
if (decl_context == FUNCDEF)
@ -9221,16 +9221,18 @@ grokdeclarator (const cp_declarator *declarator,
ctype = NULL_TREE;
if (explicit_int128)
if (explicit_intN)
{
if (int128_integer_type_node == NULL_TREE)
{
error ("%<__int128%> is not supported by this target");
explicit_int128 = false;
}
if (! int_n_enabled_p[declspecs->int_n_idx])
{
error ("%<__int%d%> is not supported by this target",
int_n_data[declspecs->int_n_idx].bitsize);
explicit_intN = false;
}
else if (pedantic && ! in_system_header_at (input_location))
pedwarn (input_location, OPT_Wpedantic,
"ISO C++ does not support %<__int128%> for %qs", name);
pedwarn (input_location, OPT_Wpedantic,
"ISO C++ does not support %<__int%d%> for %qs",
int_n_data[declspecs->int_n_idx].bitsize, name);
}
/* Now process the modifiers that were specified
@ -9262,7 +9264,7 @@ grokdeclarator (const cp_declarator *declarator,
error ("%<short%> invalid for %qs", name);
else if ((long_p || short_p) && TREE_CODE (type) != INTEGER_TYPE)
error ("%<long%> or %<short%> invalid for %qs", name);
else if ((long_p || short_p || explicit_char || explicit_int) && explicit_int128)
else if ((long_p || short_p || explicit_char || explicit_int) && explicit_intN)
error ("%<long%>, %<int%>, %<short%>, or %<char%> invalid for %qs", name);
else if ((long_p || short_p) && explicit_char)
error ("%<long%> or %<short%> specified with char for %qs", name);
@ -9278,7 +9280,7 @@ grokdeclarator (const cp_declarator *declarator,
else
{
ok = 1;
if (!explicit_int && !defaulted_int && !explicit_char && !explicit_int128 && pedantic)
if (!explicit_int && !defaulted_int && !explicit_char && !explicit_intN && pedantic)
{
pedwarn (input_location, OPT_Wpedantic,
"long, short, signed or unsigned used invalidly for %qs",
@ -9320,8 +9322,8 @@ grokdeclarator (const cp_declarator *declarator,
&& TREE_CODE (type) == INTEGER_TYPE
&& !same_type_p (TYPE_MAIN_VARIANT (type), wchar_type_node)))
{
if (explicit_int128)
type = int128_unsigned_type_node;
if (explicit_intN)
type = int_n_trees[declspecs->int_n_idx].unsigned_type;
else if (longlong)
type = long_long_unsigned_type_node;
else if (long_p)
@ -9337,8 +9339,8 @@ grokdeclarator (const cp_declarator *declarator,
}
else if (signed_p && type == char_type_node)
type = signed_char_type_node;
else if (explicit_int128)
type = int128_integer_type_node;
else if (explicit_intN)
type = int_n_trees[declspecs->int_n_idx].signed_type;
else if (longlong)
type = long_long_integer_type_node;
else if (long_p)
@ -9354,7 +9356,7 @@ grokdeclarator (const cp_declarator *declarator,
"complex double", but if any modifiers at all are specified it is
the complex form of TYPE. E.g, "complex short" is
"complex short int". */
else if (defaulted_int && ! longlong && ! explicit_int128
else if (defaulted_int && ! longlong && ! explicit_intN
&& ! (long_p || short_p || signed_p || unsigned_p))
type = complex_double_type_node;
else if (type == integer_type_node)

9
gcc/cp/lex.c
View File

@ -193,6 +193,15 @@ init_reswords (void)
if (! (c_common_reswords[i].disable & mask))
C_IS_RESERVED_WORD (id) = 1;
}
for (i = 0; i < NUM_INT_N_ENTS; i++)
{
char name[50];
sprintf (name, "__int%d", int_n_data[i].bitsize);
id = get_identifier (name);
C_SET_RID_CODE (id, RID_FIRST_INT_N + i);
C_IS_RESERVED_WORD (id) = 1;
}
}
static void

5
gcc/cp/mangle.c
View File

@ -154,8 +154,8 @@ integer_type_codes[itk_none] =
'm', /* itk_unsigned_long */
'x', /* itk_long_long */
'y', /* itk_unsigned_long_long */
'n', /* itk_int128 */
'o', /* itk_unsigned_int128 */
/* __intN types are handled separately */
'\0', '\0', '\0', '\0', '\0', '\0', '\0', '\0'
};
static int decl_is_template_id (const tree, tree* const);
@ -2215,6 +2215,7 @@ write_builtin_type (tree type)
iagain:
for (itk = 0; itk < itk_none; ++itk)
if (integer_types[itk] != NULL_TREE
&& integer_type_codes[itk] != '\0'
&& type == integer_types[itk])
{
/* Print the corresponding single-letter code. */

21
gcc/cp/parser.c
View File

@ -947,7 +947,6 @@ cp_lexer_next_token_is_decl_specifier_keyword (cp_lexer *lexer)
case RID_SHORT:
case RID_INT:
case RID_LONG:
case RID_INT128:
case RID_SIGNED:
case RID_UNSIGNED:
case RID_FLOAT:
@ -962,6 +961,10 @@ cp_lexer_next_token_is_decl_specifier_keyword (cp_lexer *lexer)
return true;
default:
if (token->keyword >= RID_FIRST_INT_N
&& token->keyword < RID_FIRST_INT_N + NUM_INT_N_ENTS
&& int_n_enabled_p[token->keyword - RID_FIRST_INT_N])
return true;
return false;
}
}
@ -14664,6 +14667,7 @@ cp_parser_simple_type_specifier (cp_parser* parser,
{
tree type = NULL_TREE;
cp_token *token;
int idx;
/* Peek at the next token. */
token = cp_lexer_peek_token (parser->lexer);
@ -14697,12 +14701,19 @@ cp_parser_simple_type_specifier (cp_parser* parser,
decl_specs->explicit_int_p = true;
type = integer_type_node;
break;
case RID_INT128:
if (!int128_integer_type_node)
case RID_INT_N_0:
case RID_INT_N_1:
case RID_INT_N_2:
case RID_INT_N_3:
idx = token->keyword - RID_INT_N_0;
if (! int_n_enabled_p [idx])
break;
if (decl_specs)
decl_specs->explicit_int128_p = true;
type = int128_integer_type_node;
{
decl_specs->explicit_intN_p = true;
decl_specs->int_n_idx = idx;
}
type = int_n_trees [idx].signed_type;
break;
case RID_LONG:
if (decl_specs)

7
gcc/cp/rtti.c
View File

@ -1520,7 +1520,6 @@ emit_support_tinfos (void)
&integer_type_node, &unsigned_type_node,
&long_integer_type_node, &long_unsigned_type_node,
&long_long_integer_type_node, &long_long_unsigned_type_node,
&int128_integer_type_node, &int128_unsigned_type_node,
&float_type_node, &double_type_node, &long_double_type_node,
&dfloat32_type_node, &dfloat64_type_node, &dfloat128_type_node,
&nullptr_type_node,
@ -1542,6 +1541,12 @@ emit_support_tinfos (void)
doing_runtime = 1;
for (ix = 0; fundamentals[ix]; ix++)
emit_support_tinfo_1 (*fundamentals[ix]);
for (ix = 0; ix < NUM_INT_N_ENTS; ix ++)
if (int_n_enabled_p[ix])
{
emit_support_tinfo_1 (int_n_trees[ix].signed_type);
emit_support_tinfo_1 (int_n_trees[ix].unsigned_type);
}
}
/* Finish a type info decl. DECL_PTR is a pointer to an unemitted

22
gcc/cp/typeck.c
View File

@ -270,6 +270,7 @@ cp_common_type (tree t1, tree t2)
enum tree_code code1 = TREE_CODE (t1);
enum tree_code code2 = TREE_CODE (t2);
tree attributes;
int i;
/* In what follows, we slightly generalize the rules given in [expr] so
@ -364,16 +365,19 @@ cp_common_type (tree t1, tree t2)
: long_long_integer_type_node);
return build_type_attribute_variant (t, attributes);
}
if (int128_integer_type_node != NULL_TREE
&& (same_type_p (TYPE_MAIN_VARIANT (t1),
int128_integer_type_node)
|| same_type_p (TYPE_MAIN_VARIANT (t2),
int128_integer_type_node)))
for (i = 0; i < NUM_INT_N_ENTS; i ++)
{
tree t = ((TYPE_UNSIGNED (t1) || TYPE_UNSIGNED (t2))
? int128_unsigned_type_node
: int128_integer_type_node);
return build_type_attribute_variant (t, attributes);
if (int_n_enabled_p [i]
&& (same_type_p (TYPE_MAIN_VARIANT (t1),
int_n_trees[i].signed_type)
|| same_type_p (TYPE_MAIN_VARIANT (t2),
int_n_trees[i].signed_type)))
{
tree t = ((TYPE_UNSIGNED (t1) || TYPE_UNSIGNED (t2))
? int_n_trees[i].unsigned_type
: int_n_trees[i].signed_type);
return build_type_attribute_variant (t, attributes);
}
}
/* Go through the same procedure, but for longs. */

87
gcc/genmodes.c
View File

@ -74,6 +74,7 @@ struct mode_data
unsigned int fbit; /* the number of fractional bits */
bool need_bytesize_adj; /* true if this mode need dynamic size
adjustment */
unsigned int int_n; /* If nonzero, then __int<INT_N> will be defined */
};
static struct mode_data *modes[MAX_MODE_CLASS];
@ -84,7 +85,7 @@ static const struct mode_data blank_mode = {
0, "<unknown>", MAX_MODE_CLASS,
-1U, -1U, -1U, -1U,
0, 0, 0, 0, 0,
"<unknown>", 0, 0, 0, 0, false
"<unknown>", 0, 0, 0, 0, false, 0
};
static htab_t modes_by_name;
@ -632,6 +633,34 @@ reset_float_format (const char *name, const char *format,
m->format = format;
}
/* __intN support. */
#define INT_N(M,PREC) \
make_int_n (#M, PREC, __FILE__, __LINE__)
static void ATTRIBUTE_UNUSED
make_int_n (const char *m, int bitsize,
const char *file, unsigned int line)
{
struct mode_data *component = find_mode (m);
if (!component)
{
error ("%s:%d: no mode \"%s\"", file, line, m);
return;
}
if (component->cl != MODE_INT
&& component->cl != MODE_PARTIAL_INT)
{
error ("%s:%d: mode \"%s\" is not class INT or PARTIAL_INT", file, line, m);
return;
}
if (component->int_n != 0)
{
error ("%s:%d: mode \"%s\" already has an intN", file, line, m);
return;
}
component->int_n = bitsize;
}
/* Partial integer modes are specified by relation to a full integer
mode. */
#define PARTIAL_INT_MODE(M,PREC,NAME) \
@ -1010,6 +1039,7 @@ emit_insn_modes_h (void)
{
int c;
struct mode_data *m, *first, *last;
int n_int_n_ents = 0;
printf ("/* Generated automatically from machmode.def%s%s\n",
HAVE_EXTRA_MODES ? " and " : "",
@ -1071,6 +1101,13 @@ enum machine_mode\n{");
printf ("#define CONST_MODE_IBIT%s\n", adj_ibit ? "" : " const");
printf ("#define CONST_MODE_FBIT%s\n", adj_fbit ? "" : " const");
emit_max_int ();
for_all_modes (c, m)
if (m->int_n)
n_int_n_ents ++;
printf ("#define NUM_INT_N_ENTS %d\n", n_int_n_ents);
puts ("\n#if GCC_VERSION >= 4001\n");
emit_mode_size_inline ();
emit_mode_nunits_inline ();
@ -1520,6 +1557,53 @@ emit_mode_fbit (void)
print_closer ();
}
/* Emit __intN for all modes. */
static void
emit_mode_int_n (void)
{
int c;
struct mode_data *m;
struct mode_data **mode_sort;
int n_modes = 0;
int i, j;
print_decl ("int_n_data_t", "int_n_data", "");
n_modes = 0;
for_all_modes (c, m)
if (m->int_n)
n_modes ++;
mode_sort = XALLOCAVEC (struct mode_data *, n_modes);
n_modes = 0;
for_all_modes (c, m)
if (m->int_n)
mode_sort[n_modes++] = m;
/* Yes, this is a bubblesort, but there are at most four (and
usually only 1-2) entries to sort. */
for (i = 0; i<n_modes - 1; i++)
for (j = i + 1; j < n_modes; j++)
if (mode_sort[i]->int_n > mode_sort[j]->int_n)
{
m = mode_sort[i];
mode_sort[i] = mode_sort[j];
mode_sort[j] = m;
}
for (i = 0; i < n_modes; i ++)
{
m = mode_sort[i];
printf(" {\n");
tagged_printf ("%u", m->int_n, m->name);
printf ("%smode,", m->name);
printf(" },\n");
}
print_closer ();
}
static void
emit_insn_modes_c (void)
@ -1539,6 +1623,7 @@ emit_insn_modes_c (void)
emit_mode_adjustments ();
emit_mode_ibit ();
emit_mode_fbit ();
emit_mode_int_n ();
}
static void

26
gcc/gimple.c
View File

@ -2113,6 +2113,7 @@ static tree
gimple_signed_or_unsigned_type (bool unsignedp, tree type)
{
tree type1;
int i;
type1 = TYPE_MAIN_VARIANT (type);
if (type1 == signed_char_type_node
@ -2130,10 +2131,15 @@ gimple_signed_or_unsigned_type (bool unsignedp, tree type)
return unsignedp
? long_long_unsigned_type_node
: long_long_integer_type_node;
if (int128_integer_type_node && (type1 == int128_integer_type_node || type1 == int128_unsigned_type_node))
return unsignedp
? int128_unsigned_type_node
: int128_integer_type_node;
for (i = 0; i < NUM_INT_N_ENTS; i ++)
if (int_n_enabled_p[i]
&& (type1 == int_n_trees[i].unsigned_type
|| type1 == int_n_trees[i].signed_type))
return unsignedp
? int_n_trees[i].unsigned_type
: int_n_trees[i].signed_type;
#if HOST_BITS_PER_WIDE_INT >= 64
if (type1 == intTI_type_node || type1 == unsigned_intTI_type_node)
return unsignedp ? unsigned_intTI_type_node : intTI_type_node;
@ -2246,10 +2252,14 @@ gimple_signed_or_unsigned_type (bool unsignedp, tree type)
return (unsignedp
? long_long_unsigned_type_node
: long_long_integer_type_node);
if (int128_integer_type_node && TYPE_OK (int128_integer_type_node))
return (unsignedp
? int128_unsigned_type_node
: int128_integer_type_node);
for (i = 0; i < NUM_INT_N_ENTS; i ++)
if (int_n_enabled_p[i]
&& TYPE_MODE (type) == int_n_data[i].m
&& TYPE_PRECISION (type) == int_n_data[i].bitsize)
return unsignedp
? int_n_trees[i].unsigned_type
: int_n_trees[i].signed_type;
#if HOST_BITS_PER_WIDE_INT >= 64
if (TYPE_OK (intTI_type_node))

6
gcc/lto/ChangeLog
View File

@ -1,3 +1,9 @@
2014-10-14 DJ Delorie <dj@redhat.com>
* lto-lang.c (lto_build_c_type_nodes): Check intN types for
size-type as well.
(lto_init): Initialize all intN types, not just int128.
2014-10-06 Martin Liska <mliska@suse.cz>
* lto.c (stream_out): ARG_UNUSED added for last argument.

32
gcc/lto/lto-lang.c
View File

@ -1150,7 +1150,26 @@ lto_build_c_type_nodes (void)
signed_size_type_node = long_long_integer_type_node;
}
else
gcc_unreachable ();
{
int i;
signed_size_type_node = NULL_TREE;
for (i = 0; i < NUM_INT_N_ENTS; i++)
if (int_n_enabled_p[i])
{
char name[50];
sprintf (name, "__int%d unsigned", int_n_data[i].bitsize);
if (strcmp (name, SIZE_TYPE) == 0)
{
intmax_type_node = int_n_trees[i].signed_type;
uintmax_type_node = int_n_trees[i].unsigned_type;
signed_size_type_node = int_n_trees[i].signed_type;
}
}
if (signed_size_type_node == NULL_TREE)
gcc_unreachable ();
}
wint_type_node = unsigned_type_node;
pid_type_node = integer_type_node;
@ -1161,6 +1180,8 @@ lto_build_c_type_nodes (void)
static bool
lto_init (void)
{
int i;
/* We need to generate LTO if running in WPA mode. */
flag_generate_lto = (flag_wpa != NULL);
@ -1232,8 +1253,13 @@ lto_init (void)
NAME_TYPE (complex_float_type_node, "complex float");
NAME_TYPE (complex_double_type_node, "complex double");
NAME_TYPE (complex_long_double_type_node, "complex long double");
if (int128_integer_type_node)
NAME_TYPE (int128_integer_type_node, "__int128");
for (i = 0; i < NUM_INT_N_ENTS; i++)
if (int_n_enabled_p[i])
{
char name[50];
sprintf (name, "__int%d", int_n_data[i].bitsize);
NAME_TYPE (int_n_trees[i].signed_type, name);
}
#undef NAME_TYPE
/* Initialize LTO-specific data structures. */

7
gcc/machmode.def
View File

@ -192,6 +192,13 @@ INT_MODE (TI, 16);
/* No partial integer modes are defined by default. */
/* The target normally defines any target-specific __intN types and
their modes, but __int128 for TImode is fairly common so define it
here. The type will not be created unless the target supports
TImode. */
INT_N (TI, 128);
/* Basic floating point modes. SF and DF are the only modes provided
by default. The names QF, HF, XF, and TF are reserved for targets
that need 1-word, 2-word, 80-bit, or 128-bit float types respectively.

12
gcc/machmode.h
View File

@ -345,4 +345,16 @@ extern void init_adjust_machine_modes (void);
(SCALAR_INT_MODE_P (MODE) \
&& GET_MODE_PRECISION (MODE) <= HOST_BITS_PER_WIDE_INT)
typedef struct {
/* These parts are initailized by genmodes output */
unsigned int bitsize;
enum machine_mode m;
/* RID_* is RID_INTN_BASE + index into this array */
} int_n_data_t;
/* This is also in tree.h. genmodes.c guarantees the're sorted from
smallest bitsize to largest bitsize. */
extern bool int_n_enabled_p[NUM_INT_N_ENTS];
extern const int_n_data_t int_n_data[NUM_INT_N_ENTS];
#endif /* not HAVE_MACHINE_MODES */

43
gcc/stor-layout.c
View File

@ -313,6 +313,7 @@ enum machine_mode
mode_for_size (unsigned int size, enum mode_class mclass, int limit)
{
enum machine_mode mode;
int i;
if (limit && size > MAX_FIXED_MODE_SIZE)
return BLKmode;
@ -323,6 +324,12 @@ mode_for_size (unsigned int size, enum mode_class mclass, int limit)
if (GET_MODE_PRECISION (mode) == size)
return mode;
if (mclass == MODE_INT || mclass == MODE_PARTIAL_INT)
for (i = 0; i < NUM_INT_N_ENTS; i ++)
if (int_n_data[i].bitsize == size
&& int_n_enabled_p[i])
return int_n_data[i].m;
return BLKmode;
}
@ -349,16 +356,27 @@ mode_for_size_tree (const_tree size, enum mode_class mclass, int limit)
enum machine_mode
smallest_mode_for_size (unsigned int size, enum mode_class mclass)
{
enum machine_mode mode;
enum machine_mode mode = VOIDmode;
int i;
/* Get the first mode which has at least this size, in the
specified class. */
for (mode = GET_CLASS_NARROWEST_MODE (mclass); mode != VOIDmode;
mode = GET_MODE_WIDER_MODE (mode))
if (GET_MODE_PRECISION (mode) >= size)
return mode;
break;
gcc_unreachable ();
if (mclass == MODE_INT || mclass == MODE_PARTIAL_INT)
for (i = 0; i < NUM_INT_N_ENTS; i ++)
if (int_n_data[i].bitsize >= size
&& int_n_data[i].bitsize < GET_MODE_PRECISION (mode)
&& int_n_enabled_p[i])
mode = int_n_data[i].m;
if (mode == VOIDmode)
gcc_unreachable ();
return mode;
}
/* Find an integer mode of the exact same size, or BLKmode on failure. */
@ -2550,7 +2568,24 @@ initialize_sizetypes (void)
else if (strcmp (SIZETYPE, "short unsigned int") == 0)
precision = SHORT_TYPE_SIZE;
else
gcc_unreachable ();
{
int i;
precision = -1;
for (i = 0; i < NUM_INT_N_ENTS; i++)
if (int_n_enabled_p[i])
{
char name[50];
sprintf (name, "__int%d unsigned", int_n_data[i].bitsize);
if (strcmp (name, SIZETYPE) == 0)
{
precision = int_n_data[i].bitsize;
}
}
if (precision == -1)
gcc_unreachable ();
}
bprecision
= MIN (precision + BITS_PER_UNIT_LOG + 1, MAX_FIXED_MODE_SIZE);

4
gcc/testsuite/ChangeLog
View File

@ -1,3 +1,7 @@
2014-10-14 DJ Delorie <dj@redhat.com>
* g++.dg/abi/mangle64.C: New.
2014-10-14 Marc Glisse <marc.glisse@inria.fr>
* g++.dg/ext/vector9.C: Test ! with float vectors.

13
gcc/testsuite/g++.dg/abi/mangle64.C Normal file
View File

@ -0,0 +1,13 @@
// { dg-do compile { target msp430*-*-* } }
// { dg-options "-std=gnu++11" }
// { dg-skip-if "" { msp430*-*-* } { "-mcpu=msp430" } { "" } }
__int20 x;
__int20 foo (__int20 a, unsigned __int20 b)
{
return a + b;
}
// { dg-final { scan-assembler "\n_?_Z3foou5int20u6uint20\[: \t\n\]" } }

27
gcc/toplev.c
View File

@ -1901,6 +1901,21 @@ finalize (bool no_backend)
lang_hooks.finish ();
}
static bool
standard_type_bitsize (int bitsize)
{
/* As a special exception, we always want __int128 enabled if possible. */
if (bitsize == 128)
return false;
if (bitsize == CHAR_TYPE_SIZE
|| bitsize == SHORT_TYPE_SIZE
|| bitsize == INT_TYPE_SIZE
|| bitsize == LONG_TYPE_SIZE
|| bitsize == LONG_LONG_TYPE_SIZE)
return true;
return false;
}
/* Initialize the compiler, and compile the input file. */
static void
do_compile (void)
@ -1916,6 +1931,8 @@ do_compile (void)
/* Don't do any more if an error has already occurred. */
if (!seen_error ())
{
int i;
timevar_start (TV_PHASE_SETUP);
/* This must be run always, because it is needed to compute the FP
@ -1924,6 +1941,16 @@ do_compile (void)
init_adjust_machine_modes ();
init_derived_machine_modes ();
/* This must happen after the backend has a chance to process
command line options, but before the parsers are
initialized. */
for (i = 0; i < NUM_INT_N_ENTS; i ++)
if (targetm.scalar_mode_supported_p (int_n_data[i].m)
&& ! standard_type_bitsize (int_n_data[i].bitsize))
int_n_enabled_p[i] = true;
else
int_n_enabled_p[i] = false;
/* Set up the back-end if requested. */
if (!no_backend)
backend_init ();

12
gcc/tree-core.h
View File

@ -570,8 +570,16 @@ enum integer_type_kind {
itk_unsigned_long,
itk_long_long,
itk_unsigned_long_long,
itk_int128,
itk_unsigned_int128,
itk_intN_0,
itk_unsigned_intN_0,
itk_intN_1,
itk_unsigned_intN_1,
itk_intN_2,
itk_unsigned_intN_2,
itk_intN_3,
itk_unsigned_intN_3,
itk_none
};

60
gcc/tree.c
View File

@ -236,6 +236,9 @@ static void attribute_hash_list (const_tree, inchash::hash &);
tree global_trees[TI_MAX];
tree integer_types[itk_none];
bool int_n_enabled_p[NUM_INT_N_ENTS];
struct int_n_trees_t int_n_trees [NUM_INT_N_ENTS];
unsigned char tree_contains_struct[MAX_TREE_CODES][64];
/* Number of operands for each OpenMP clause. */
@ -9445,6 +9448,8 @@ make_vector_type (tree innertype, int nunits, enum machine_mode mode)
static tree
make_or_reuse_type (unsigned size, int unsignedp)
{
int i;
if (size == INT_TYPE_SIZE)
return unsignedp ? unsigned_type_node : integer_type_node;
if (size == CHAR_TYPE_SIZE)
@ -9456,9 +9461,12 @@ make_or_reuse_type (unsigned size, int unsignedp)
if (size == LONG_LONG_TYPE_SIZE)
return (unsignedp ? long_long_unsigned_type_node
: long_long_integer_type_node);
if (size == 128 && int128_integer_type_node)
return (unsignedp ? int128_unsigned_type_node
: int128_integer_type_node);
for (i = 0; i < NUM_INT_N_ENTS; i ++)
if (size == int_n_data[i].bitsize
&& int_n_enabled_p[i])
return (unsignedp ? int_n_trees[i].unsigned_type
: int_n_trees[i].signed_type);
if (unsignedp)
return make_unsigned_type (size);
@ -9574,6 +9582,8 @@ build_atomic_base (tree type, unsigned int align)
void
build_common_tree_nodes (bool signed_char, bool short_double)
{
int i;
error_mark_node = make_node (ERROR_MARK);
TREE_TYPE (error_mark_node) = error_mark_node;
@ -9601,17 +9611,20 @@ build_common_tree_nodes (bool signed_char, bool short_double)
long_unsigned_type_node = make_unsigned_type (LONG_TYPE_SIZE);
long_long_integer_type_node = make_signed_type (LONG_LONG_TYPE_SIZE);
long_long_unsigned_type_node = make_unsigned_type (LONG_LONG_TYPE_SIZE);
#if HOST_BITS_PER_WIDE_INT >= 64
/* TODO: This isn't correct, but as logic depends at the moment on
host's instead of target's wide-integer.
If there is a target not supporting TImode, but has an 128-bit
integer-scalar register, this target check needs to be adjusted. */
if (targetm.scalar_mode_supported_p (TImode))
{
int128_integer_type_node = make_signed_type (128);
int128_unsigned_type_node = make_unsigned_type (128);
}
#endif
for (i = 0; i < NUM_INT_N_ENTS; i ++)
{
int_n_trees[i].signed_type = make_signed_type (int_n_data[i].bitsize);
int_n_trees[i].unsigned_type = make_unsigned_type (int_n_data[i].bitsize);
TYPE_SIZE (int_n_trees[i].signed_type) = bitsize_int (int_n_data[i].bitsize);
TYPE_SIZE (int_n_trees[i].unsigned_type) = bitsize_int (int_n_data[i].bitsize);
if (int_n_data[i].bitsize > LONG_LONG_TYPE_SIZE)
{
integer_types[itk_intN_0 + i * 2] = int_n_trees[i].signed_type;
integer_types[itk_unsigned_intN_0 + i * 2] = int_n_trees[i].unsigned_type;
}
}
/* Define a boolean type. This type only represents boolean values but
may be larger than char depending on the value of BOOL_TYPE_SIZE. */
@ -9630,7 +9643,24 @@ build_common_tree_nodes (bool signed_char, bool short_double)
else if (strcmp (SIZE_TYPE, "short unsigned int") == 0)
size_type_node = short_unsigned_type_node;
else
gcc_unreachable ();
{
int i;
size_type_node = NULL_TREE;
for (i = 0; i < NUM_INT_N_ENTS; i++)
if (int_n_enabled_p[i])
{
char name[50];
sprintf (name, "__int%d unsigned", int_n_data[i].bitsize);
if (strcmp (name, SIZE_TYPE) == 0)
{
size_type_node = int_n_trees[i].unsigned_type;
}
}
if (size_type_node == NULL_TREE)
gcc_unreachable ();
}
/* Fill in the rest of the sized types. Reuse existing type nodes
when possible. */

13
gcc/tree.h
View File

@ -3426,8 +3426,6 @@ tree_operand_check_code (const_tree __t, enum tree_code __code, int __i,
#define long_unsigned_type_node integer_types[itk_unsigned_long]
#define long_long_integer_type_node integer_types[itk_long_long]
#define long_long_unsigned_type_node integer_types[itk_unsigned_long_long]
#define int128_integer_type_node integer_types[itk_int128]
#define int128_unsigned_type_node integer_types[itk_unsigned_int128]
/* True if NODE is an erroneous expression. */
@ -4800,6 +4798,17 @@ extern tree get_inner_reference (tree, HOST_WIDE_INT *, HOST_WIDE_INT *,
EXP, an ARRAY_REF or an ARRAY_RANGE_REF. */
extern tree array_ref_low_bound (tree);
struct GTY(()) int_n_trees_t {
/* These parts are initialized at runtime */
tree signed_type;
tree unsigned_type;
};
/* This is also in machmode.h */
extern bool int_n_enabled_p[NUM_INT_N_ENTS];
extern GTY(()) struct int_n_trees_t int_n_trees[NUM_INT_N_ENTS];
/* Like bit_position, but return as an integer. It must be representable in
that way (since it could be a signed value, we don't have the
option of returning -1 like int_size_in_byte can. */

9
libstdc++-v3/ChangeLog
View File

@ -1,3 +1,12 @@
2014-10-14 DJ Delorie <dj@redhat.com>
* src/c++11/limits.cc: Add support for __intN types.
* include/std/type_traits: Likewise.
* include/std/limits: Likewise.
* include/c_std/cstdlib: Likewise.
* include/bits/cpp_type_traits.h: Likewise.
* include/c_global/cstdlib: Likewise.
2014-10-14 Jonathan Wakely <jwakely@redhat.com>
* testsuite/20_util/align/1.cc: Add dg-require-stdint.

32
libstdc++-v3/include/bits/cpp_type_traits.h
View File

@ -141,7 +141,8 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
// Thirteen specializations (yes there are eleven standard integer
// types; <em>long long</em> and <em>unsigned long long</em> are
// supported as extensions)
// supported as extensions). Up to four target-specific __int<N>
// types are supported as well.
template<>
struct __is_integer<bool>
{
@ -251,6 +252,35 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
typedef __true_type __type;
};
#define __INT_N(TYPE) \
template<> \
struct __is_integer<TYPE> \
{ \
enum { __value = 1 }; \
typedef __true_type __type; \
}; \
template<> \
struct __is_integer<unsigned TYPE> \
{ \
enum { __value = 1 }; \
typedef __true_type __type; \
};
#ifdef __GLIBCXX_TYPE_INT_N_0
__INT_N(__GLIBCXX_TYPE_INT_N_0)
#endif
#ifdef __GLIBCXX_TYPE_INT_N_1
__INT_N(__GLIBCXX_TYPE_INT_N_1)
#endif
#ifdef __GLIBCXX_TYPE_INT_N_2
__INT_N(__GLIBCXX_TYPE_INT_N_2)
#endif
#ifdef __GLIBCXX_TYPE_INT_N_3
__INT_N(__GLIBCXX_TYPE_INT_N_3)
#endif
#undef __INT_N
//
// Floating point types
//

19
libstdc++-v3/include/c_global/cstdlib
View File

@ -174,10 +174,23 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
abs(long long __x) { return __builtin_llabs (__x); }
#endif
#if !defined(__STRICT_ANSI__) && defined(_GLIBCXX_USE_INT128)
inline __int128
abs(__int128 __x) { return __x >= 0 ? __x : -__x; }
#if defined(__GLIBCXX_TYPE_INT_N_0)
inline __GLIBCXX_TYPE_INT_N_0
abs(__GLIBCXX_TYPE_INT_N_0 __x) { return __x >= 0 ? __x : -__x; }
#endif
#if defined(__GLIBCXX_TYPE_INT_N_1)
inline __GLIBCXX_TYPE_INT_N_1
abs(__GLIBCXX_TYPE_INT_N_1 __x) { return __x >= 0 ? __x : -__x; }
#endif
#if defined(__GLIBCXX_TYPE_INT_N_2)
inline __GLIBCXX_TYPE_INT_N_2
abs(__GLIBCXX_TYPE_INT_N_2 __x) { return __x >= 0 ? __x : -__x; }
#endif
#if defined(__GLIBCXX_TYPE_INT_N_3)
inline __GLIBCXX_TYPE_INT_N_3
abs(__GLIBCXX_TYPE_INT_N_3 __x) { return __x >= 0 ? __x : -__x; }
#endif
_GLIBCXX_END_NAMESPACE_VERSION
} // namespace

18
libstdc++-v3/include/c_std/cstdlib
View File

@ -169,9 +169,21 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
abs(long long __x) { return __builtin_llabs (__x); }
#endif
#if !defined(__STRICT_ANSI__) && defined(_GLIBCXX_USE_INT128)
inline __int128
abs(__int128 __x) { return __x >= 0 ? __x : -__x; }
#if defined(__GLIBCXX_TYPE_INT_N_0)
inline __GLIBCXX_TYPE_INT_N_0
abs(__GLIBCXX_TYPE_INT_N_0 __x) { return __x >= 0 ? __x : -__x; }
#endif
#if defined(__GLIBCXX_TYPE_INT_N_1)
inline __GLIBCXX_TYPE_INT_N_1
abs(__GLIBCXX_TYPE_INT_N_1 __x) { return __x >= 0 ? __x : -__x; }
#endif
#if defined(__GLIBCXX_TYPE_INT_N_2)
inline __GLIBCXX_TYPE_INT_N_2
abs(__GLIBCXX_TYPE_INT_N_2 __x) { return __x >= 0 ? __x : -__x; }
#endif
#if defined(__GLIBCXX_TYPE_INT_N_3)
inline __GLIBCXX_TYPE_INT_N_3
abs(__GLIBCXX_TYPE_INT_N_3 __x) { return __x >= 0 ? __x : -__x; }
#endif
inline ldiv_t

331
libstdc++-v3/include/std/limits
View File

@ -125,21 +125,32 @@
// You should not need to define any macros below this point.
#define __glibcxx_signed(T) ((T)(-1) < 0)
#define __glibcxx_signed_b(T,B) ((T)(-1) < 0)
#define __glibcxx_min(T) \
(__glibcxx_signed (T) ? -__glibcxx_max (T) - 1 : (T)0)
#define __glibcxx_min_b(T,B) \
(__glibcxx_signed_b (T,B) ? -__glibcxx_max_b (T,B) - 1 : (T)0)
#define __glibcxx_max(T) \
(__glibcxx_signed (T) ? \
(((((T)1 << (__glibcxx_digits (T) - 1)) - 1) << 1) + 1) : ~(T)0)
#define __glibcxx_max_b(T,B) \
(__glibcxx_signed_b (T,B) ? \
(((((T)1 << (__glibcxx_digits_b (T,B) - 1)) - 1) << 1) + 1) : ~(T)0)
#define __glibcxx_digits(T) \
(sizeof(T) * __CHAR_BIT__ - __glibcxx_signed (T))
#define __glibcxx_digits_b(T,B) \
(B - __glibcxx_signed_b (T,B))
// The fraction 643/2136 approximates log10(2) to 7 significant digits.
#define __glibcxx_digits10_b(T,B) \
(__glibcxx_digits_b (T,B) * 643L / 2136)
#define __glibcxx_signed(T) \
__glibcxx_signed_b (T, sizeof(T) * __CHAR_BIT__)
#define __glibcxx_min(T) \
__glibcxx_min_b (T, sizeof(T) * __CHAR_BIT__)
#define __glibcxx_max(T) \
__glibcxx_max_b (T, sizeof(T) * __CHAR_BIT__)
#define __glibcxx_digits(T) \
__glibcxx_digits_b (T, sizeof(T) * __CHAR_BIT__)
#define __glibcxx_digits10(T) \
(__glibcxx_digits (T) * 643L / 2136)
__glibcxx_digits10_b (T, sizeof(T) * __CHAR_BIT__)
#define __glibcxx_max_digits10(T) \
(2 + (T) * 643L / 2136)
@ -1399,153 +1410,181 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
= round_toward_zero;
};
#if !defined(__STRICT_ANSI__) && defined(_GLIBCXX_USE_INT128)
/// numeric_limits<__int128> specialization.
template<>
struct numeric_limits<__int128>
{
static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true;
#if !defined(__STRICT_ANSI__)
static _GLIBCXX_CONSTEXPR __int128
min() _GLIBCXX_USE_NOEXCEPT { return __glibcxx_min (__int128); }
static _GLIBCXX_CONSTEXPR __int128
max() _GLIBCXX_USE_NOEXCEPT { return __glibcxx_max (__int128); }
#if __cplusplus >= 201103L
static constexpr __int128
lowest() noexcept { return min(); }
#endif
static _GLIBCXX_USE_CONSTEXPR int digits
= __glibcxx_digits (__int128);
static _GLIBCXX_USE_CONSTEXPR int digits10
= __glibcxx_digits10 (__int128);
#if __cplusplus >= 201103L
static constexpr int max_digits10 = 0;
#endif
static _GLIBCXX_USE_CONSTEXPR bool is_signed = true;
static _GLIBCXX_USE_CONSTEXPR bool is_integer = true;
static _GLIBCXX_USE_CONSTEXPR bool is_exact = true;
static _GLIBCXX_USE_CONSTEXPR int radix = 2;
static _GLIBCXX_CONSTEXPR __int128
epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; }
static _GLIBCXX_CONSTEXPR __int128
round_error() _GLIBCXX_USE_NOEXCEPT { return 0; }
static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0;
static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0;
static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0;
static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0;
static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false;
static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false;
static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false;
static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm
= denorm_absent;
static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false;
static _GLIBCXX_CONSTEXPR __int128
infinity() _GLIBCXX_USE_NOEXCEPT
{ return static_cast<__int128>(0); }
static _GLIBCXX_CONSTEXPR __int128
quiet_NaN() _GLIBCXX_USE_NOEXCEPT
{ return static_cast<__int128>(0); }
static _GLIBCXX_CONSTEXPR __int128
signaling_NaN() _GLIBCXX_USE_NOEXCEPT
{ return static_cast<__int128>(0); }
static _GLIBCXX_CONSTEXPR __int128
denorm_min() _GLIBCXX_USE_NOEXCEPT
{ return static_cast<__int128>(0); }
static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false;
static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true;
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false;
static _GLIBCXX_USE_CONSTEXPR bool traps
= __glibcxx_integral_traps;
static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false;
static _GLIBCXX_USE_CONSTEXPR float_round_style round_style
= round_toward_zero;
#define __INT_N(TYPE, BITSIZE, EXT, UEXT) \
template<> \
struct numeric_limits<TYPE> \
{ \
static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; \
\
static _GLIBCXX_CONSTEXPR TYPE \
min() _GLIBCXX_USE_NOEXCEPT { return __glibcxx_min_b (TYPE, BITSIZE); } \
\
static _GLIBCXX_CONSTEXPR TYPE \
max() _GLIBCXX_USE_NOEXCEPT { return __glibcxx_max_b (TYPE, BITSIZE);; } \
\
static _GLIBCXX_USE_CONSTEXPR int digits \
= BITSIZE - 1; \
static _GLIBCXX_USE_CONSTEXPR int digits10 \
= (BITSIZE - 1) * 643L / 2136; \
\
static _GLIBCXX_USE_CONSTEXPR bool is_signed = true; \
static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; \
static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; \
static _GLIBCXX_USE_CONSTEXPR int radix = 2; \
\
static _GLIBCXX_CONSTEXPR TYPE \
epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } \
\
static _GLIBCXX_CONSTEXPR TYPE \
round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } \
\
EXT \
\
static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; \
static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; \
static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; \
static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; \
\
static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; \
static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; \
static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; \
static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm \
= denorm_absent; \
static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; \
\
static _GLIBCXX_CONSTEXPR TYPE \
infinity() _GLIBCXX_USE_NOEXCEPT \
{ return static_cast<TYPE>(0); } \
\
static _GLIBCXX_CONSTEXPR TYPE \
quiet_NaN() _GLIBCXX_USE_NOEXCEPT \
{ return static_cast<TYPE>(0); } \
\
static _GLIBCXX_CONSTEXPR TYPE \
signaling_NaN() _GLIBCXX_USE_NOEXCEPT \
{ return static_cast<TYPE>(0); } \
\
static _GLIBCXX_CONSTEXPR TYPE \
denorm_min() _GLIBCXX_USE_NOEXCEPT \
{ return static_cast<TYPE>(0); } \
\
static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; \
static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; \
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = false; \
\
static _GLIBCXX_USE_CONSTEXPR bool traps \
= __glibcxx_integral_traps; \
static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; \
static _GLIBCXX_USE_CONSTEXPR float_round_style round_style \
= round_toward_zero; \
}; \
\
template<> \
struct numeric_limits<unsigned TYPE> \
{ \
static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true; \
\
static _GLIBCXX_CONSTEXPR unsigned TYPE \
min() _GLIBCXX_USE_NOEXCEPT { return 0; } \
\
static _GLIBCXX_CONSTEXPR unsigned TYPE \
max() _GLIBCXX_USE_NOEXCEPT { return __glibcxx_max_b (TYPE, BITSIZE); } \
\
UEXT \
\
static _GLIBCXX_USE_CONSTEXPR int digits \
= BITSIZE; \
static _GLIBCXX_USE_CONSTEXPR int digits10 \
= BITSIZE * 643L / 2136; \
static _GLIBCXX_USE_CONSTEXPR bool is_signed = false; \
static _GLIBCXX_USE_CONSTEXPR bool is_integer = true; \
static _GLIBCXX_USE_CONSTEXPR bool is_exact = true; \
static _GLIBCXX_USE_CONSTEXPR int radix = 2; \
\
static _GLIBCXX_CONSTEXPR unsigned TYPE \
epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; } \
\
static _GLIBCXX_CONSTEXPR unsigned TYPE \
round_error() _GLIBCXX_USE_NOEXCEPT { return 0; } \
\
static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0; \
static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0; \
static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0; \
static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0; \
\
static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false; \
static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false; \
static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false; \
static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm \
= denorm_absent; \
static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false; \
\
static _GLIBCXX_CONSTEXPR unsigned TYPE \
infinity() _GLIBCXX_USE_NOEXCEPT \
{ return static_cast<unsigned TYPE>(0); } \
\
static _GLIBCXX_CONSTEXPR unsigned TYPE \
quiet_NaN() _GLIBCXX_USE_NOEXCEPT \
{ return static_cast<unsigned TYPE>(0); } \
\
static _GLIBCXX_CONSTEXPR unsigned TYPE \
signaling_NaN() _GLIBCXX_USE_NOEXCEPT \
{ return static_cast<unsigned TYPE>(0); } \
\
static _GLIBCXX_CONSTEXPR unsigned TYPE \
denorm_min() _GLIBCXX_USE_NOEXCEPT \
{ return static_cast<unsigned TYPE>(0); } \
\
static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false; \
static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true; \
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true; \
\
static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps; \
static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false; \
static _GLIBCXX_USE_CONSTEXPR float_round_style round_style \
= round_toward_zero; \
};
/// numeric_limits<unsigned __int128> specialization.
template<>
struct numeric_limits<unsigned __int128>
{
static _GLIBCXX_USE_CONSTEXPR bool is_specialized = true;
static _GLIBCXX_CONSTEXPR unsigned __int128
min() _GLIBCXX_USE_NOEXCEPT { return 0; }
static _GLIBCXX_CONSTEXPR unsigned __int128
max() _GLIBCXX_USE_NOEXCEPT { return __glibcxx_max (unsigned __int128); }
#if __cplusplus >= 201103L
static constexpr unsigned __int128
lowest() noexcept { return min(); }
#endif
static _GLIBCXX_USE_CONSTEXPR int digits
= __glibcxx_digits (unsigned __int128);
static _GLIBCXX_USE_CONSTEXPR int digits10
= __glibcxx_digits10 (unsigned __int128);
#if __cplusplus >= 201103L
#define __INT_N_201103(TYPE) \
static constexpr TYPE \
lowest() noexcept { return min(); } \
static constexpr int max_digits10 = 0;
#define __INT_N_U201103(TYPE) \
static constexpr unsigned TYPE \
lowest() noexcept { return min(); } \
static constexpr int max_digits10 = 0;
#else
#define __INT_N_201103(TYPE)
#define __INT_N_U201103(TYPE)
#endif
static _GLIBCXX_USE_CONSTEXPR bool is_signed = false;
static _GLIBCXX_USE_CONSTEXPR bool is_integer = true;
static _GLIBCXX_USE_CONSTEXPR bool is_exact = true;
static _GLIBCXX_USE_CONSTEXPR int radix = 2;
static _GLIBCXX_CONSTEXPR unsigned __int128
epsilon() _GLIBCXX_USE_NOEXCEPT { return 0; }
#ifdef __GLIBCXX_TYPE_INT_N_0
__INT_N(__GLIBCXX_TYPE_INT_N_0, __GLIBCXX_BITSIZE_INT_N_0,
__INT_N_201103 (__GLIBCXX_TYPE_INT_N_0), __INT_N_U201103 (__GLIBCXX_TYPE_INT_N_0))
#endif
#ifdef __GLIBCXX_TYPE_INT_N_1
__INT_N (__GLIBCXX_TYPE_INT_N_1, __GLIBCXX_BITSIZE_INT_N_1,
__INT_N_201103 (__GLIBCXX_TYPE_INT_N_1), __INT_N_U201103 (__GLIBCXX_TYPE_INT_N_1))
#endif
#ifdef __GLIBCXX_TYPE_INT_N_2
__INT_N (__GLIBCXX_TYPE_INT_N_2, __GLIBCXX_BITSIZE_INT_N_2,
__INT_N_201103 (__GLIBCXX_TYPE_INT_N_2), __INT_N_U201103 (__GLIBCXX_TYPE_INT_N_2))
#endif
#ifdef __GLIBCXX_TYPE_INT_N_3
__INT_N (__GLIBCXX_TYPE_INT_N_3, __GLIBCXX_BITSIZE_INT_N_3,
__INT_N_201103 (__GLIBCXX_TYPE_INT_N_3), __INT_N_U201103 (__GLIBCXX_TYPE_INT_N_3))
#endif
static _GLIBCXX_CONSTEXPR unsigned __int128
round_error() _GLIBCXX_USE_NOEXCEPT { return 0; }
#undef __INT_N
#undef __INT_N_201103
#undef __INT_N_U201103
static _GLIBCXX_USE_CONSTEXPR int min_exponent = 0;
static _GLIBCXX_USE_CONSTEXPR int min_exponent10 = 0;
static _GLIBCXX_USE_CONSTEXPR int max_exponent = 0;
static _GLIBCXX_USE_CONSTEXPR int max_exponent10 = 0;
static _GLIBCXX_USE_CONSTEXPR bool has_infinity = false;
static _GLIBCXX_USE_CONSTEXPR bool has_quiet_NaN = false;
static _GLIBCXX_USE_CONSTEXPR bool has_signaling_NaN = false;
static _GLIBCXX_USE_CONSTEXPR float_denorm_style has_denorm
= denorm_absent;
static _GLIBCXX_USE_CONSTEXPR bool has_denorm_loss = false;
static _GLIBCXX_CONSTEXPR unsigned __int128
infinity() _GLIBCXX_USE_NOEXCEPT
{ return static_cast<unsigned __int128>(0); }
static _GLIBCXX_CONSTEXPR unsigned __int128
quiet_NaN() _GLIBCXX_USE_NOEXCEPT
{ return static_cast<unsigned __int128>(0); }
static _GLIBCXX_CONSTEXPR unsigned __int128
signaling_NaN() _GLIBCXX_USE_NOEXCEPT
{ return static_cast<unsigned __int128>(0); }
static _GLIBCXX_CONSTEXPR unsigned __int128
denorm_min() _GLIBCXX_USE_NOEXCEPT
{ return static_cast<unsigned __int128>(0); }
static _GLIBCXX_USE_CONSTEXPR bool is_iec559 = false;
static _GLIBCXX_USE_CONSTEXPR bool is_bounded = true;
static _GLIBCXX_USE_CONSTEXPR bool is_modulo = true;
static _GLIBCXX_USE_CONSTEXPR bool traps = __glibcxx_integral_traps;
static _GLIBCXX_USE_CONSTEXPR bool tinyness_before = false;
static _GLIBCXX_USE_CONSTEXPR float_round_style round_style
= round_toward_zero;
};
#endif
/// numeric_limits<float> specialization.

77
libstdc++-v3/include/std/type_traits
View File

@ -242,13 +242,42 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
struct __is_integral_helper<unsigned long long>
: public true_type { };
#if !defined(__STRICT_ANSI__) && defined(_GLIBCXX_USE_INT128)
// Conditionalizing on __STRICT_ANSI__ here will break any port that
// uses one of these types for size_t.
#if defined(__GLIBCXX_TYPE_INT_N_0)
template<>
struct __is_integral_helper<__int128>
struct __is_integral_helper<__GLIBCXX_TYPE_INT_N_0>
: public true_type { };
template<>
struct __is_integral_helper<unsigned __int128>
struct __is_integral_helper<unsigned __GLIBCXX_TYPE_INT_N_0>
: public true_type { };
#endif
#if defined(__GLIBCXX_TYPE_INT_N_1)
template<>
struct __is_integral_helper<__GLIBCXX_TYPE_INT_N_1>
: public true_type { };
template<>
struct __is_integral_helper<unsigned __GLIBCXX_TYPE_INT_N_1>
: public true_type { };
#endif
#if defined(__GLIBCXX_TYPE_INT_N_2)
template<>
struct __is_integral_helper<__GLIBCXX_TYPE_INT_N_2>
: public true_type { };
template<>
struct __is_integral_helper<unsigned __GLIBCXX_TYPE_INT_N_2>
: public true_type { };
#endif
#if defined(__GLIBCXX_TYPE_INT_N_3)
template<>
struct __is_integral_helper<__GLIBCXX_TYPE_INT_N_3>
: public true_type { };
template<>
struct __is_integral_helper<unsigned __GLIBCXX_TYPE_INT_N_3>
: public true_type { };
#endif
@ -1661,10 +1690,25 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
{ };
#endif
#if !defined(__STRICT_ANSI__) && defined(_GLIBCXX_USE_INT128)
#if defined(__GLIBCXX_TYPE_INT_N_0)
template<>
struct __make_unsigned<__int128>
{ typedef unsigned __int128 __type; };
struct __make_unsigned<__GLIBCXX_TYPE_INT_N_0>
{ typedef unsigned __GLIBCXX_TYPE_INT_N_0 __type; };
#endif
#if defined(__GLIBCXX_TYPE_INT_N_1)
template<>
struct __make_unsigned<__GLIBCXX_TYPE_INT_N_1>
{ typedef unsigned __GLIBCXX_TYPE_INT_N_1 __type; };
#endif
#if defined(__GLIBCXX_TYPE_INT_N_2)
template<>
struct __make_unsigned<__GLIBCXX_TYPE_INT_N_2>
{ typedef unsigned __GLIBCXX_TYPE_INT_N_2 __type; };
#endif
#if defined(__GLIBCXX_TYPE_INT_N_3)
template<>
struct __make_unsigned<__GLIBCXX_TYPE_INT_N_3>
{ typedef unsigned __GLIBCXX_TYPE_INT_N_3 __type; };
#endif
// Select between integral and enum: not possible to be both.
@ -1758,10 +1802,25 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
{ };
#endif
#if !defined(__STRICT_ANSI__) && defined(_GLIBCXX_USE_INT128)
#if defined(__GLIBCXX_TYPE_INT_N_0)
template<>
struct __make_signed<unsigned __int128>
{ typedef __int128 __type; };
struct __make_signed<unsigned __GLIBCXX_TYPE_INT_N_0>
{ typedef __GLIBCXX_TYPE_INT_N_0 __type; };
#endif
#if defined(__GLIBCXX_TYPE_INT_N_1)
template<>
struct __make_signed<unsigned __GLIBCXX_TYPE_INT_N_1>
{ typedef __GLIBCXX_TYPE_INT_N_1 __type; };
#endif
#if defined(__GLIBCXX_TYPE_INT_N_2)
template<>
struct __make_signed<unsigned __GLIBCXX_TYPE_INT_N_2>
{ typedef __GLIBCXX_TYPE_INT_N_2 __type; };
#endif
#if defined(__GLIBCXX_TYPE_INT_N_3)
template<>
struct __make_signed<unsigned __GLIBCXX_TYPE_INT_N_3>
{ typedef __GLIBCXX_TYPE_INT_N_3 __type; };
#endif
// Select between integral and enum: not possible to be both.

106
libstdc++-v3/src/c++11/limits.cc
View File

@ -388,54 +388,66 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
const bool numeric_limits<unsigned long long>::tinyness_before;
const float_round_style numeric_limits<unsigned long long>::round_style;
#if !defined(__STRICT_ANSI__) && defined(_GLIBCXX_USE_INT128)
const bool numeric_limits<__int128>::is_specialized;
const int numeric_limits<__int128>::digits;
const int numeric_limits<__int128>::digits10;
const int numeric_limits<__int128>::max_digits10;
const bool numeric_limits<__int128>::is_signed;
const bool numeric_limits<__int128>::is_integer;
const bool numeric_limits<__int128>::is_exact;
const int numeric_limits<__int128>::radix;
const int numeric_limits<__int128>::min_exponent;
const int numeric_limits<__int128>::min_exponent10;
const int numeric_limits<__int128>::max_exponent;
const int numeric_limits<__int128>::max_exponent10;
const bool numeric_limits<__int128>::has_infinity;
const bool numeric_limits<__int128>::has_quiet_NaN;
const bool numeric_limits<__int128>::has_signaling_NaN;
const float_denorm_style numeric_limits<__int128>::has_denorm;
const bool numeric_limits<__int128>::has_denorm_loss;
const bool numeric_limits<__int128>::is_iec559;
const bool numeric_limits<__int128>::is_bounded;
const bool numeric_limits<__int128>::is_modulo;
const bool numeric_limits<__int128>::traps;
const bool numeric_limits<__int128>::tinyness_before;
const float_round_style numeric_limits<__int128>::round_style;
#define INT_N(__INT_N_TYPE) \
const bool numeric_limits<__INT_N_TYPE>::is_specialized; \
const int numeric_limits<__INT_N_TYPE>::digits; \
const int numeric_limits<__INT_N_TYPE>::digits10; \
const int numeric_limits<__INT_N_TYPE>::max_digits10; \
const bool numeric_limits<__INT_N_TYPE>::is_signed; \
const bool numeric_limits<__INT_N_TYPE>::is_integer; \
const bool numeric_limits<__INT_N_TYPE>::is_exact; \
const int numeric_limits<__INT_N_TYPE>::radix; \
const int numeric_limits<__INT_N_TYPE>::min_exponent; \
const int numeric_limits<__INT_N_TYPE>::min_exponent10; \
const int numeric_limits<__INT_N_TYPE>::max_exponent; \
const int numeric_limits<__INT_N_TYPE>::max_exponent10; \
const bool numeric_limits<__INT_N_TYPE>::has_infinity; \
const bool numeric_limits<__INT_N_TYPE>::has_quiet_NaN; \
const bool numeric_limits<__INT_N_TYPE>::has_signaling_NaN; \
const float_denorm_style numeric_limits<__INT_N_TYPE>::has_denorm; \
const bool numeric_limits<__INT_N_TYPE>::has_denorm_loss; \
const bool numeric_limits<__INT_N_TYPE>::is_iec559; \
const bool numeric_limits<__INT_N_TYPE>::is_bounded; \
const bool numeric_limits<__INT_N_TYPE>::is_modulo; \
const bool numeric_limits<__INT_N_TYPE>::traps; \
const bool numeric_limits<__INT_N_TYPE>::tinyness_before; \
const float_round_style numeric_limits<__INT_N_TYPE>::round_style; \
\
const bool numeric_limits<unsigned __INT_N_TYPE>::is_specialized; \
const int numeric_limits<unsigned __INT_N_TYPE>::digits; \
const int numeric_limits<unsigned __INT_N_TYPE>::digits10; \
const int numeric_limits<unsigned __INT_N_TYPE>::max_digits10; \
const bool numeric_limits<unsigned __INT_N_TYPE>::is_signed; \
const bool numeric_limits<unsigned __INT_N_TYPE>::is_integer; \
const bool numeric_limits<unsigned __INT_N_TYPE>::is_exact; \
const int numeric_limits<unsigned __INT_N_TYPE>::radix; \
const int numeric_limits<unsigned __INT_N_TYPE>::min_exponent; \
const int numeric_limits<unsigned __INT_N_TYPE>::min_exponent10; \
const int numeric_limits<unsigned __INT_N_TYPE>::max_exponent; \
const int numeric_limits<unsigned __INT_N_TYPE>::max_exponent10; \
const bool numeric_limits<unsigned __INT_N_TYPE>::has_infinity; \
const bool numeric_limits<unsigned __INT_N_TYPE>::has_quiet_NaN; \
const bool numeric_limits<unsigned __INT_N_TYPE>::has_signaling_NaN; \
const float_denorm_style numeric_limits<unsigned __INT_N_TYPE>::has_denorm; \
const bool numeric_limits<unsigned __INT_N_TYPE>::has_denorm_loss; \
const bool numeric_limits<unsigned __INT_N_TYPE>::is_iec559; \
const bool numeric_limits<unsigned __INT_N_TYPE>::is_bounded; \
const bool numeric_limits<unsigned __INT_N_TYPE>::is_modulo; \
const bool numeric_limits<unsigned __INT_N_TYPE>::traps; \
const bool numeric_limits<unsigned __INT_N_TYPE>::tinyness_before; \
const float_round_style numeric_limits<unsigned __INT_N_TYPE>::round_style;
const bool numeric_limits<unsigned __int128>::is_specialized;
const int numeric_limits<unsigned __int128>::digits;
const int numeric_limits<unsigned __int128>::digits10;
const int numeric_limits<unsigned __int128>::max_digits10;
const bool numeric_limits<unsigned __int128>::is_signed;
const bool numeric_limits<unsigned __int128>::is_integer;
const bool numeric_limits<unsigned __int128>::is_exact;
const int numeric_limits<unsigned __int128>::radix;
const int numeric_limits<unsigned __int128>::min_exponent;
const int numeric_limits<unsigned __int128>::min_exponent10;
const int numeric_limits<unsigned __int128>::max_exponent;
const int numeric_limits<unsigned __int128>::max_exponent10;
const bool numeric_limits<unsigned __int128>::has_infinity;
const bool numeric_limits<unsigned __int128>::has_quiet_NaN;
const bool numeric_limits<unsigned __int128>::has_signaling_NaN;
const float_denorm_style numeric_limits<unsigned __int128>::has_denorm;
const bool numeric_limits<unsigned __int128>::has_denorm_loss;
const bool numeric_limits<unsigned __int128>::is_iec559;
const bool numeric_limits<unsigned __int128>::is_bounded;
const bool numeric_limits<unsigned __int128>::is_modulo;
const bool numeric_limits<unsigned __int128>::traps;
const bool numeric_limits<unsigned __int128>::tinyness_before;
const float_round_style numeric_limits<unsigned __int128>::round_style;
#ifdef __GLIBCXX_TYPE_INT_N_0
INT_N (__GLIBCXX_TYPE_INT_N_0)
#endif
#ifdef __GLIBCXX_TYPE_INT_N_1
INT_N (__GLIBCXX_TYPE_INT_N_1)
#endif
#ifdef __GLIBCXX_TYPE_INT_N_2
INT_N (__GLIBCXX_TYPE_INT_N_2)
#endif
#ifdef __GLIBCXX_TYPE_INT_N_3
INT_N (__GLIBCXX_TYPE_INT_N_3)
#endif
// float