diff options
40 files changed, 1974 insertions, 148 deletions
diff --git a/fixincludes/fixincl.x b/fixincludes/fixincl.x index bad490453b7..56c37b7fd08 100644 --- a/fixincludes/fixincl.x +++ b/fixincludes/fixincl.x @@ -2,11 +2,11 @@ * * DO NOT EDIT THIS FILE (fixincl.x) * - * It has been AutoGen-ed February 27, 2022 at 07:47:03 PM by AutoGen 5.18.16 + * It has been AutoGen-ed September 27, 2022 at 12:49:21 AM by AutoGen 5.18.16 * From the definitions inclhack.def * and the template file fixincl */ -/* DO NOT SVN-MERGE THIS FILE, EITHER Sun Feb 27 19:47:03 UTC 2022 +/* DO NOT SVN-MERGE THIS FILE, EITHER Tue Sep 27 00:49:21 CEST 2022 * * You must regenerate it. Use the ./genfixes script. * @@ -15,7 +15,7 @@ * certain ANSI-incompatible system header files which are fixed to work * correctly with ANSI C and placed in a directory that GNU C will search. * - * This file contains 267 fixup descriptions. + * This file contains 270 fixup descriptions. * * See README for more information. * @@ -4107,6 +4107,132 @@ static const char* apzGlibc_C99_Inline_4Patch[] = { /* * * * * * * * * * * * * * * * * * * * * * * * * * * + * Description of Glibc_Cxx_Floatn_1 fix + */ +tSCC zGlibc_Cxx_Floatn_1Name[] = + "glibc_cxx_floatn_1"; + +/* + * File name selection pattern + */ +tSCC zGlibc_Cxx_Floatn_1List[] = + "bits/floatn.h\0bits/floatn-common.h\0"; +/* + * Machine/OS name selection pattern + */ +#define apzGlibc_Cxx_Floatn_1Machs (const char**)NULL + +/* + * content selection pattern - do fix if pattern found + */ +tSCC zGlibc_Cxx_Floatn_1Select0[] = + "^([ \t]*#[ \t]*if !__GNUC_PREREQ \\(7, 0\\) \\|\\| )defined __cplusplus\n\ +(([ \t]*/\\*[^\n\ +]*\\*/\n\ +)?([ \t]*#[ \t]*if[^\n\ +]*\n\ +)?[ \t]*#[ \t]*define __f(16|32|64|128)x?\\()"; + +#define GLIBC_CXX_FLOATN_1_TEST_CT 1 +static tTestDesc aGlibc_Cxx_Floatn_1Tests[] = { + { TT_EGREP, zGlibc_Cxx_Floatn_1Select0, (regex_t*)NULL }, }; + +/* + * Fix Command Arguments for Glibc_Cxx_Floatn_1 + */ +static const char* apzGlibc_Cxx_Floatn_1Patch[] = { + "format", + "%1(defined __cplusplus && !__GNUC_PREREQ (13, 0))\n\ +%2", + (char*)NULL }; + +/* * * * * * * * * * * * * * * * * * * * * * * * * * + * + * Description of Glibc_Cxx_Floatn_2 fix + */ +tSCC zGlibc_Cxx_Floatn_2Name[] = + "glibc_cxx_floatn_2"; + +/* + * File name selection pattern + */ +tSCC zGlibc_Cxx_Floatn_2List[] = + "bits/floatn.h\0bits/floatn-common.h\0"; +/* + * Machine/OS name selection pattern + */ +#define apzGlibc_Cxx_Floatn_2Machs (const char**)NULL + +/* + * content selection pattern - do fix if pattern found + */ +tSCC zGlibc_Cxx_Floatn_2Select0[] = + "^([ \t]*#[ \t]*if !__GNUC_PREREQ \\(7, 0\\) \\|\\| )defined __cplusplus\n\ +(([ \t]*/\\*[^\n\ +]*\\*/\n\ +)?[ \t]*typedef[ \t]+[^\n\ +]*[ \t]+_Float(16|32|64|128)x?([ \t]+__attribute__ \\(\\(__mode__ \\(__HF__\\)\\)\\))?;)"; + +#define GLIBC_CXX_FLOATN_2_TEST_CT 1 +static tTestDesc aGlibc_Cxx_Floatn_2Tests[] = { + { TT_EGREP, zGlibc_Cxx_Floatn_2Select0, (regex_t*)NULL }, }; + +/* + * Fix Command Arguments for Glibc_Cxx_Floatn_2 + */ +static const char* apzGlibc_Cxx_Floatn_2Patch[] = { + "format", + "%1(defined __cplusplus && !__GNUC_PREREQ (13, 0))\n\ +%2", + (char*)NULL }; + +/* * * * * * * * * * * * * * * * * * * * * * * * * * + * + * Description of Glibc_Cxx_Floatn_3 fix + */ +tSCC zGlibc_Cxx_Floatn_3Name[] = + "glibc_cxx_floatn_3"; + +/* + * File name selection pattern + */ +tSCC zGlibc_Cxx_Floatn_3List[] = + "bits/floatn.h\0bits/floatn-common.h\0"; +/* + * Machine/OS name selection pattern + */ +#define apzGlibc_Cxx_Floatn_3Machs (const char**)NULL + +/* + * content selection pattern - do fix if pattern found + */ +tSCC zGlibc_Cxx_Floatn_3Select0[] = + "^([ \t]*#[ \t]*if !__GNUC_PREREQ \\(7, 0\\) \\|\\| )defined __cplusplus\n\ +(([ \t]*/\\*[^\n\ +]*\n\ +?[^\n\ +]*\\*/\n\ +)?([ \t]*#[ \t]*if[^\n\ +]*\n\ +)?([ \t]*typedef[ \t]+[^\n\ +]*;\n\ +)?[ \t]*#[ \t]*define __CFLOAT(16|32|64|128)X?[ \t]+)"; + +#define GLIBC_CXX_FLOATN_3_TEST_CT 1 +static tTestDesc aGlibc_Cxx_Floatn_3Tests[] = { + { TT_EGREP, zGlibc_Cxx_Floatn_3Select0, (regex_t*)NULL }, }; + +/* + * Fix Command Arguments for Glibc_Cxx_Floatn_3 + */ +static const char* apzGlibc_Cxx_Floatn_3Patch[] = { + "format", + "%1(defined __cplusplus && !__GNUC_PREREQ (13, 0))\n\ +%2", + (char*)NULL }; + +/* * * * * * * * * * * * * * * * * * * * * * * * * * + * * Description of Glibc_Mutex_Init fix */ tSCC zGlibc_Mutex_InitName[] = @@ -10872,9 +10998,9 @@ static const char* apzX11_SprintfPatch[] = { * * List of all fixes */ -#define REGEX_COUNT 305 +#define REGEX_COUNT 308 #define MACH_LIST_SIZE_LIMIT 187 -#define FIX_COUNT 267 +#define FIX_COUNT 270 /* * Enumerate the fixes @@ -10977,6 +11103,9 @@ typedef enum { GLIBC_C99_INLINE_2_FIXIDX, GLIBC_C99_INLINE_3_FIXIDX, GLIBC_C99_INLINE_4_FIXIDX, + GLIBC_CXX_FLOATN_1_FIXIDX, + GLIBC_CXX_FLOATN_2_FIXIDX, + GLIBC_CXX_FLOATN_3_FIXIDX, GLIBC_MUTEX_INIT_FIXIDX, GLIBC_STDINT_FIXIDX, GLIBC_STRNCPY_FIXIDX, @@ -11635,6 +11764,21 @@ tFixDesc fixDescList[ FIX_COUNT ] = { GLIBC_C99_INLINE_4_TEST_CT, FD_MACH_ONLY | FD_SUBROUTINE, aGlibc_C99_Inline_4Tests, apzGlibc_C99_Inline_4Patch, 0 }, + { zGlibc_Cxx_Floatn_1Name, zGlibc_Cxx_Floatn_1List, + apzGlibc_Cxx_Floatn_1Machs, + GLIBC_CXX_FLOATN_1_TEST_CT, FD_MACH_ONLY | FD_SUBROUTINE, + aGlibc_Cxx_Floatn_1Tests, apzGlibc_Cxx_Floatn_1Patch, 0 }, + + { zGlibc_Cxx_Floatn_2Name, zGlibc_Cxx_Floatn_2List, + apzGlibc_Cxx_Floatn_2Machs, + GLIBC_CXX_FLOATN_2_TEST_CT, FD_MACH_ONLY | FD_SUBROUTINE, + aGlibc_Cxx_Floatn_2Tests, apzGlibc_Cxx_Floatn_2Patch, 0 }, + + { zGlibc_Cxx_Floatn_3Name, zGlibc_Cxx_Floatn_3List, + apzGlibc_Cxx_Floatn_3Machs, + GLIBC_CXX_FLOATN_3_TEST_CT, FD_MACH_ONLY | FD_SUBROUTINE, + aGlibc_Cxx_Floatn_3Tests, apzGlibc_Cxx_Floatn_3Patch, 0 }, + { zGlibc_Mutex_InitName, zGlibc_Mutex_InitList, apzGlibc_Mutex_InitMachs, GLIBC_MUTEX_INIT_TEST_CT, FD_MACH_ONLY, diff --git a/fixincludes/inclhack.def b/fixincludes/inclhack.def index 7605ac89aa2..a3f171ab4b6 100644 --- a/fixincludes/inclhack.def +++ b/fixincludes/inclhack.def @@ -2015,6 +2015,102 @@ fix = { EOT; }; +/* glibc-2.27 to 2.36 assume GCC 7 or later supports some or all + * of _Float{16,32,64,128} and _Float{32,64,128}x keywords for C, + * but doesn't for C++. + */ +fix = { + hackname = glibc_cxx_floatn_1; + files = bits/floatn.h, bits/floatn-common.h; + select = "^([ \t]*#[ \t]*if !__GNUC_PREREQ \\(7, 0\\) \\|\\| )defined __cplusplus\n" + "(([ \t]*/\\*[^\n]*\\*/\n)?" + "([ \t]*#[ \t]*if[^\n]*\n)?" + "[ \t]*#[ \t]*define __f(16|32|64|128)x?\\()"; + c_fix = format; + c_fix_arg = "%1(defined __cplusplus && !__GNUC_PREREQ (13, 0))\n%2"; + test_text = <<-EOT + # if !__GNUC_PREREQ (7, 0) || defined __cplusplus + /* The literal suffix f128 exists only since GCC 7.0. */ + # define __f128(x) x##l + # else + # define __f128(x) x##f128 + # endif + # if !__GNUC_PREREQ (7, 0) || defined __cplusplus + /* The literal suffix (f128) exist for powerpc only since GCC 7.0. */ + # if __LDBL_MANT_DIG__ == 113 + # define __f128(x) x##l + # else + # define __f128(x) x##q + # endif + # else + # define __f128(x) x##f128 + # endif + # if !__GNUC_PREREQ (7, 0) || defined __cplusplus + # ifdef __NO_LONG_DOUBLE_MATH + # define __f64(x) x##l + # else + # define __f64(x) x + # endif + # else + # define __f64(x) x##f64 + # endif + EOT; +}; + +fix = { + hackname = glibc_cxx_floatn_2; + files = bits/floatn.h, bits/floatn-common.h; + select = "^([ \t]*#[ \t]*if !__GNUC_PREREQ \\(7, 0\\) \\|\\| )defined __cplusplus\n" + "(([ \t]*/\\*[^\n]*\\*/\n)?" + "[ \t]*typedef[ \t]+[^\n]*[ \t]+_Float(16|32|64|128)x?([ \t]+__attribute__ \\(\\(__mode__ \\(__HF__\\)\\)\\))?;)"; + c_fix = format; + c_fix_arg = "%1(defined __cplusplus && !__GNUC_PREREQ (13, 0))\n%2"; + test_text = <<-EOT + # if !__GNUC_PREREQ (7, 0) || defined __cplusplus + typedef float _Float16 __attribute__ ((__mode__ (__HF__))); + # endif + # if !__GNUC_PREREQ (7, 0) || defined __cplusplus + typedef __float128 _Float128; + # endif + EOT; +}; + +fix = { + hackname = glibc_cxx_floatn_3; + files = bits/floatn.h, bits/floatn-common.h; + select = "^([ \t]*#[ \t]*if !__GNUC_PREREQ \\(7, 0\\) \\|\\| )defined __cplusplus\n" + "(([ \t]*/\\*[^\n]*\n?[^\n]*\\*/\n)?" + "([ \t]*#[ \t]*if[^\n]*\n)?" + "([ \t]*typedef[ \t]+[^\n]*;\n)?" + "[ \t]*#[ \t]*define __CFLOAT(16|32|64|128)X?[ \t]+)"; + c_fix = format; + c_fix_arg = "%1(defined __cplusplus && !__GNUC_PREREQ (13, 0))\n%2"; + test_text = <<-EOT + # if !__GNUC_PREREQ (7, 0) || defined __cplusplus + # define __CFLOAT128 _Complex long double + # else + # define __CFLOAT128 _Complex _Float128 + # endif + # if !__GNUC_PREREQ (7, 0) || defined __cplusplus + /* Add a typedef for older GCC compilers which don't natively support + _Complex _Float128. */ + typedef _Complex float __cfloat128 __attribute__ ((__mode__ (__TC__))); + # define __CFLOAT128 __cfloat128 + # else + # define __CFLOAT128 _Complex _Float128 + # endif + # if !__GNUC_PREREQ (7, 0) || defined __cplusplus + # ifdef __NO_LONG_DOUBLE_MATH + # define __CFLOAT64 _Complex long double + # else + # define __CFLOAT64 _Complex double + # endif + # else + # define __CFLOAT64 _Complex _Float64 + # endif + EOT; +}; + /* glibc-2.3.5 defines pthread mutex initializers incorrectly, * so we replace them with versions that correspond to the * definition. diff --git a/fixincludes/tests/base/bits/floatn.h b/fixincludes/tests/base/bits/floatn.h new file mode 100644 index 00000000000..f09528b6e27 --- /dev/null +++ b/fixincludes/tests/base/bits/floatn.h @@ -0,0 +1,74 @@ +/* DO NOT EDIT THIS FILE. + + It has been auto-edited by fixincludes from: + + "fixinc/tests/inc/bits/floatn.h" + + This had to be done to correct non-standard usages in the + original, manufacturer supplied header file. */ + + + +#if defined( GLIBC_CXX_FLOATN_1_CHECK ) +# if !__GNUC_PREREQ (7, 0) || (defined __cplusplus && !__GNUC_PREREQ (13, 0)) +/* The literal suffix f128 exists only since GCC 7.0. */ +# define __f128(x) x##l +# else +# define __f128(x) x##f128 +# endif +# if !__GNUC_PREREQ (7, 0) || (defined __cplusplus && !__GNUC_PREREQ (13, 0)) +/* The literal suffix (f128) exist for powerpc only since GCC 7.0. */ +# if __LDBL_MANT_DIG__ == 113 +# define __f128(x) x##l +# else +# define __f128(x) x##q +# endif +# else +# define __f128(x) x##f128 +# endif +# if !__GNUC_PREREQ (7, 0) || (defined __cplusplus && !__GNUC_PREREQ (13, 0)) +# ifdef __NO_LONG_DOUBLE_MATH +# define __f64(x) x##l +# else +# define __f64(x) x +# endif +# else +# define __f64(x) x##f64 +# endif +#endif /* GLIBC_CXX_FLOATN_1_CHECK */ + + +#if defined( GLIBC_CXX_FLOATN_2_CHECK ) +# if !__GNUC_PREREQ (7, 0) || (defined __cplusplus && !__GNUC_PREREQ (13, 0)) +typedef float _Float16 __attribute__ ((__mode__ (__HF__))); +# endif +# if !__GNUC_PREREQ (7, 0) || (defined __cplusplus && !__GNUC_PREREQ (13, 0)) +typedef __float128 _Float128; +# endif +#endif /* GLIBC_CXX_FLOATN_2_CHECK */ + + +#if defined( GLIBC_CXX_FLOATN_3_CHECK ) +# if !__GNUC_PREREQ (7, 0) || (defined __cplusplus && !__GNUC_PREREQ (13, 0)) +# define __CFLOAT128 _Complex long double +# else +# define __CFLOAT128 _Complex _Float128 +# endif +# if !__GNUC_PREREQ (7, 0) || (defined __cplusplus && !__GNUC_PREREQ (13, 0)) +/* Add a typedef for older GCC compilers which don't natively support + _Complex _Float128. */ +typedef _Complex float __cfloat128 __attribute__ ((__mode__ (__TC__))); +# define __CFLOAT128 __cfloat128 +# else +# define __CFLOAT128 _Complex _Float128 +# endif +# if !__GNUC_PREREQ (7, 0) || (defined __cplusplus && !__GNUC_PREREQ (13, 0)) +# ifdef __NO_LONG_DOUBLE_MATH +# define __CFLOAT64 _Complex long double +# else +# define __CFLOAT64 _Complex double +# endif +# else +# define __CFLOAT64 _Complex _Float64 +# endif +#endif /* GLIBC_CXX_FLOATN_3_CHECK */ diff --git a/gcc/builtins.def b/gcc/builtins.def index f0236316850..109b3879220 100644 --- a/gcc/builtins.def +++ b/gcc/builtins.def @@ -114,9 +114,8 @@ along with GCC; see the file COPYING3. If not see with an argument such as FLOAT32 to produce the enum value for the type. If we are compiling for the C language with GNU extensions, we enable the name without the __builtin_ prefix as well as the name with the __builtin_ - prefix. C++ does not enable these names by default because they don't have - the _Float<N> and _Float<N>X keywords, and a class based library should use - the __builtin_ names. */ + prefix. C++ does not enable these names by default because a class based + library should use the __builtin_ names. */ #undef DEF_FLOATN_BUILTIN #define DEF_FLOATN_BUILTIN(ENUM, NAME, TYPE, ATTRS) \ DEF_BUILTIN (ENUM, "__builtin_" NAME, BUILT_IN_NORMAL, TYPE, TYPE, \ diff --git a/gcc/c-family/c-common.cc b/gcc/c-family/c-common.cc index dce3045c9f2..cda6910e8c5 100644 --- a/gcc/c-family/c-common.cc +++ b/gcc/c-family/c-common.cc @@ -352,13 +352,13 @@ const struct c_common_resword c_common_reswords[] = { "_Bool", RID_BOOL, D_CONLY }, { "_Complex", RID_COMPLEX, 0 }, { "_Imaginary", RID_IMAGINARY, D_CONLY }, - { "_Float16", RID_FLOAT16, D_CONLY }, - { "_Float32", RID_FLOAT32, D_CONLY }, - { "_Float64", RID_FLOAT64, D_CONLY }, - { "_Float128", RID_FLOAT128, D_CONLY }, - { "_Float32x", RID_FLOAT32X, D_CONLY }, - { "_Float64x", RID_FLOAT64X, D_CONLY }, - { "_Float128x", RID_FLOAT128X, D_CONLY }, + { "_Float16", RID_FLOAT16, 0 }, + { "_Float32", RID_FLOAT32, 0 }, + { "_Float64", RID_FLOAT64, 0 }, + { "_Float128", RID_FLOAT128, 0 }, + { "_Float32x", RID_FLOAT32X, 0 }, + { "_Float64x", RID_FLOAT64X, 0 }, + { "_Float128x", RID_FLOAT128X, 0 }, { "_Decimal32", RID_DFLOAT32, D_CONLY }, { "_Decimal64", RID_DFLOAT64, D_CONLY }, { "_Decimal128", RID_DFLOAT128, D_CONLY }, @@ -1431,8 +1431,11 @@ shorten_binary_op (tree result_type, tree op0, tree op1, bool bitwise) == TYPE_PRECISION (TREE_TYPE (arg0))) && unsigned0 == unsigned1 && (unsigned0 || !uns)) - return c_common_signed_or_unsigned_type - (unsigned0, common_type (TREE_TYPE (arg0), TREE_TYPE (arg1))); + { + tree ctype = common_type (TREE_TYPE (arg0), TREE_TYPE (arg1)); + if (ctype != error_mark_node) + return c_common_signed_or_unsigned_type (unsigned0, ctype); + } else if (TREE_CODE (arg0) == INTEGER_CST && (unsigned1 || !uns) @@ -3204,9 +3207,10 @@ shorten_compare (location_t loc, tree *op0_ptr, tree *op1_ptr, else if (unsignedp0 == unsignedp1 && real1 == real2 && TYPE_PRECISION (TREE_TYPE (primop0)) < TYPE_PRECISION (*restype_ptr) - && TYPE_PRECISION (TREE_TYPE (primop1)) < TYPE_PRECISION (*restype_ptr)) + && TYPE_PRECISION (TREE_TYPE (primop1)) < TYPE_PRECISION (*restype_ptr) + && (type = common_type (TREE_TYPE (primop0), TREE_TYPE (primop1))) + != error_mark_node) { - type = common_type (TREE_TYPE (primop0), TREE_TYPE (primop1)); type = c_common_signed_or_unsigned_type (unsignedp0 || TYPE_UNSIGNED (*restype_ptr), type); @@ -4380,11 +4384,18 @@ c_common_nodes_and_builtins (void) record_builtin_type (RID_DOUBLE, NULL, double_type_node); record_builtin_type (RID_MAX, "long double", long_double_type_node); - if (!c_dialect_cxx ()) - for (i = 0; i < NUM_FLOATN_NX_TYPES; i++) + for (i = 0; i < NUM_FLOATN_NX_TYPES; i++) + { if (FLOATN_NX_TYPE_NODE (i) != NULL_TREE) record_builtin_type ((enum rid) (RID_FLOATN_NX_FIRST + i), NULL, FLOATN_NX_TYPE_NODE (i)); + } + + /* For C, let float128t_type_node (__float128 in some backends) be the + same type as float128_type_node (_Float128), for C++ let those + be distinct types that mangle and behave differently. */ + if (c_dialect_cxx ()) + float128t_type_node = NULL_TREE; /* Only supported decimal floating point extension if the target actually supports underlying modes. */ diff --git a/gcc/c-family/c-cppbuiltin.cc b/gcc/c-family/c-cppbuiltin.cc index b709f845c81..e3f4d3d4565 100644 --- a/gcc/c-family/c-cppbuiltin.cc +++ b/gcc/c-family/c-cppbuiltin.cc @@ -1246,6 +1246,14 @@ c_cpp_builtins (cpp_reader *pfile) { if (FLOATN_NX_TYPE_NODE (i) == NULL_TREE) continue; + if (c_dialect_cxx () + && cxx_dialect > cxx20 + && !floatn_nx_types[i].extended) + { + char name[sizeof ("__STDCPP_FLOAT128_T__=1")]; + sprintf (name, "__STDCPP_FLOAT%d_T__=1", floatn_nx_types[i].n); + cpp_define (pfile, name); + } char prefix[20], csuffix[20]; sprintf (prefix, "FLT%d%s", floatn_nx_types[i].n, floatn_nx_types[i].extended ? "X" : ""); diff --git a/gcc/c-family/c-lex.cc b/gcc/c-family/c-lex.cc index 110d029ee0c..4d2252fd946 100644 --- a/gcc/c-family/c-lex.cc +++ b/gcc/c-family/c-lex.cc @@ -960,6 +960,10 @@ interpret_float (const cpp_token *token, unsigned int flags, pedwarn (input_location, OPT_Wpedantic, "non-standard suffix on floating constant"); type = c_common_type_for_mode (mode, 0); + /* For Q suffix, prefer float128t_type_node (__float128) type + over float128_type_node (_Float128) type if they are distinct. */ + if (type == float128_type_node && float128t_type_node) + type = float128t_type_node; gcc_assert (type); } else if ((flags & (CPP_N_FLOATN | CPP_N_FLOATNX)) != 0) @@ -979,8 +983,17 @@ interpret_float (const cpp_token *token, unsigned int flags, error ("unsupported non-standard suffix on floating constant"); return error_mark_node; } + else if (c_dialect_cxx () && !extended) + { + if (cxx_dialect < cxx23) + pedwarn (input_location, OPT_Wpedantic, + "%<f%d%> or %<F%d%> suffix on floating constant only " + "available with %<-std=c++2b%> or %<-std=gnu++2b%>", + n, n); + } else - pedwarn (input_location, OPT_Wpedantic, "non-standard suffix on floating constant"); + pedwarn (input_location, OPT_Wpedantic, + "non-standard suffix on floating constant"); } else if ((flags & CPP_N_WIDTH) == CPP_N_LARGE) type = long_double_type_node; @@ -990,7 +1003,10 @@ interpret_float (const cpp_token *token, unsigned int flags, else type = double_type_node; - const_type = excess_precision_type (type); + if (c_dialect_cxx ()) + const_type = NULL_TREE; + else + const_type = excess_precision_type (type); if (!const_type) const_type = type; diff --git a/gcc/config/i386/avx512fp16intrin.h b/gcc/config/i386/avx512fp16intrin.h index 28041516bac..75f7475ad18 100644 --- a/gcc/config/i386/avx512fp16intrin.h +++ b/gcc/config/i386/avx512fp16intrin.h @@ -183,21 +183,21 @@ extern __inline __m128h __attribute__ ((__gnu_inline__, __always_inline__, __artificial__)) _mm_setzero_ph (void) { - return _mm_set1_ph (0.0f); + return _mm_set1_ph (0.0f16); } extern __inline __m256h __attribute__ ((__gnu_inline__, __always_inline__, __artificial__)) _mm256_setzero_ph (void) { - return _mm256_set1_ph (0.0f); + return _mm256_set1_ph (0.0f16); } extern __inline __m512h __attribute__ ((__gnu_inline__, __always_inline__, __artificial__)) _mm512_setzero_ph (void) { - return _mm512_set1_ph (0.0f); + return _mm512_set1_ph (0.0f16); } extern __inline __m128h @@ -358,7 +358,8 @@ extern __inline __m128h __attribute__ ((__gnu_inline__, __always_inline__, __artificial__)) _mm_set_sh (_Float16 __F) { - return _mm_set_ph (0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, __F); + return _mm_set_ph (0.0f16, 0.0f16, 0.0f16, 0.0f16, 0.0f16, 0.0f16, 0.0f16, + __F); } /* Create a vector with element 0 as *P and the rest zero. */ @@ -366,7 +367,7 @@ extern __inline __m128h __attribute__ ((__gnu_inline__, __always_inline__, __artificial__)) _mm_load_sh (void const *__P) { - return _mm_set_ph (0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, + return _mm_set_ph (0.0f16, 0.0f16, 0.0f16, 0.0f16, 0.0f16, 0.0f16, 0.0f16, *(_Float16 const *) __P); } diff --git a/gcc/config/i386/i386-builtins.cc b/gcc/config/i386/i386-builtins.cc index af2faee245b..b91aba18221 100644 --- a/gcc/config/i386/i386-builtins.cc +++ b/gcc/config/i386/i386-builtins.cc @@ -1409,9 +1409,18 @@ ix86_init_builtin_types (void) lang_hooks.types.register_builtin_type (float80_type_node, "__float80"); /* The __float128 type. The node has already been created as - _Float128, so we only need to register the __float128 name for - it. */ - lang_hooks.types.register_builtin_type (float128_type_node, "__float128"); + _Float128, so for C we only need to register the __float128 name for + it. For C++, we create a distinct type which will mangle differently + (g) vs. _Float128 (DF128_) and behave backwards compatibly. */ + if (float128t_type_node == NULL_TREE) + { + float128t_type_node = make_node (REAL_TYPE); + TYPE_PRECISION (float128t_type_node) + = TYPE_PRECISION (float128_type_node); + SET_TYPE_MODE (float128t_type_node, TYPE_MODE (float128_type_node)); + layout_type (float128t_type_node); + } + lang_hooks.types.register_builtin_type (float128t_type_node, "__float128"); ix86_register_float16_builtin_type (); diff --git a/gcc/config/i386/i386.cc b/gcc/config/i386/i386.cc index ca799da5d7e..4386caf843e 100644 --- a/gcc/config/i386/i386.cc +++ b/gcc/config/i386/i386.cc @@ -22735,7 +22735,10 @@ ix86_mangle_type (const_tree type) return "DF16_"; case E_TFmode: /* __float128 is "g". */ - return "g"; + if (type == float128t_type_node) + return "g"; + /* _Float128 should mangle as "DF128_" done in generic code. */ + return NULL; case E_XFmode: /* "long double" or __float80 is "e". */ return "e"; diff --git a/gcc/config/ia64/ia64.cc b/gcc/config/ia64/ia64.cc index 50ae7aa4cd6..d510573a0a4 100644 --- a/gcc/config/ia64/ia64.cc +++ b/gcc/config/ia64/ia64.cc @@ -10466,11 +10466,19 @@ ia64_init_builtins (void) = build_pointer_type (build_qualified_type (char_type_node, TYPE_QUAL_CONST)); - (*lang_hooks.types.register_builtin_type) (float128_type_node, + if (float128t_type_node == NULL_TREE) + { + float128t_type_node = make_node (REAL_TYPE); + TYPE_PRECISION (float128t_type_node) + = TYPE_PRECISION (float128_type_node); + layout_type (float128t_type_node); + SET_TYPE_MODE (float128t_type_node, TYPE_MODE (float128_type_node)); + } + (*lang_hooks.types.register_builtin_type) (float128t_type_node, "__float128"); /* TFmode support builtins. */ - ftype = build_function_type_list (float128_type_node, NULL_TREE); + ftype = build_function_type_list (float128t_type_node, NULL_TREE); decl = add_builtin_function ("__builtin_infq", ftype, IA64_BUILTIN_INFQ, BUILT_IN_MD, NULL, NULL_TREE); @@ -10481,7 +10489,7 @@ ia64_init_builtins (void) NULL, NULL_TREE); ia64_builtins[IA64_BUILTIN_HUGE_VALQ] = decl; - ftype = build_function_type_list (float128_type_node, + ftype = build_function_type_list (float128t_type_node, const_string_type, NULL_TREE); decl = add_builtin_function ("__builtin_nanq", ftype, @@ -10496,8 +10504,8 @@ ia64_init_builtins (void) TREE_READONLY (decl) = 1; ia64_builtins[IA64_BUILTIN_NANSQ] = decl; - ftype = build_function_type_list (float128_type_node, - float128_type_node, + ftype = build_function_type_list (float128t_type_node, + float128t_type_node, NULL_TREE); decl = add_builtin_function ("__builtin_fabsq", ftype, IA64_BUILTIN_FABSQ, BUILT_IN_MD, @@ -10505,9 +10513,9 @@ ia64_init_builtins (void) TREE_READONLY (decl) = 1; ia64_builtins[IA64_BUILTIN_FABSQ] = decl; - ftype = build_function_type_list (float128_type_node, - float128_type_node, - float128_type_node, + ftype = build_function_type_list (float128t_type_node, + float128t_type_node, + float128t_type_node, NULL_TREE); decl = add_builtin_function ("__builtin_copysignq", ftype, IA64_BUILTIN_COPYSIGNQ, BUILT_IN_MD, diff --git a/gcc/config/rs6000/rs6000-builtin.cc b/gcc/config/rs6000/rs6000-builtin.cc index 3ce729c1e6d..90ab39dc258 100644 --- a/gcc/config/rs6000/rs6000-builtin.cc +++ b/gcc/config/rs6000/rs6000-builtin.cc @@ -733,7 +733,22 @@ rs6000_init_builtins (void) if (TARGET_IEEEQUAD && TARGET_LONG_DOUBLE_128) ieee128_float_type_node = long_double_type_node; else - ieee128_float_type_node = float128_type_node; + { + /* For C we only need to register the __ieee128 name for + it. For C++, we create a distinct type which will mangle + differently (u9__ieee128) vs. _Float128 (DF128_) and behave + backwards compatibly. */ + if (float128t_type_node == NULL_TREE) + { + float128t_type_node = make_node (REAL_TYPE); + TYPE_PRECISION (float128t_type_node) + = TYPE_PRECISION (float128_type_node); + layout_type (float128t_type_node); + SET_TYPE_MODE (float128t_type_node, + TYPE_MODE (float128_type_node)); + } + ieee128_float_type_node = float128t_type_node; + } t = build_qualified_type (ieee128_float_type_node, TYPE_QUAL_CONST); lang_hooks.types.register_builtin_type (ieee128_float_type_node, "__ieee128"); diff --git a/gcc/config/rs6000/rs6000-c.cc b/gcc/config/rs6000/rs6000-c.cc index ca9cc42028f..56609462629 100644 --- a/gcc/config/rs6000/rs6000-c.cc +++ b/gcc/config/rs6000/rs6000-c.cc @@ -808,6 +808,7 @@ static inline bool is_float128_p (tree t) { return (t == float128_type_node + || (t && t == float128t_type_node) || (TARGET_IEEEQUAD && TARGET_LONG_DOUBLE_128 && t == long_double_type_node)); diff --git a/gcc/config/rs6000/rs6000.cc b/gcc/config/rs6000/rs6000.cc index 5f347e9574f..bbe21eacc6b 100644 --- a/gcc/config/rs6000/rs6000.cc +++ b/gcc/config/rs6000/rs6000.cc @@ -20272,7 +20272,11 @@ rs6000_mangle_type (const_tree type) if (SCALAR_FLOAT_TYPE_P (type) && FLOAT128_IBM_P (TYPE_MODE (type))) return "g"; - if (SCALAR_FLOAT_TYPE_P (type) && FLOAT128_IEEE_P (TYPE_MODE (type))) + if (SCALAR_FLOAT_TYPE_P (type) + && FLOAT128_IEEE_P (TYPE_MODE (type)) + /* _Float128 should mangle as DF128_ (done in generic code) + rather than u9__ieee128 (used for __ieee128 and __float128). */ + && type != float128_type_node) return "u9__ieee128"; if (type == vector_pair_type_node) diff --git a/gcc/cp/call.cc b/gcc/cp/call.cc index 7e9289fc2d0..3b7e5271de4 100644 --- a/gcc/cp/call.cc +++ b/gcc/cp/call.cc @@ -1541,6 +1541,22 @@ standard_conversion (tree to, tree from, tree expr, bool c_cast_p, || (underlying_type && same_type_p (to, underlying_type))) && next_conversion (conv)->rank <= cr_promotion) conv->rank = cr_promotion; + + /* A prvalue of floating-point type can be converted to a prvalue of + another floating-point type with a greater or equal conversion + rank ([conv.rank]). A prvalue of standard floating-point type can + be converted to a prvalue of another standard floating-point type. + For backwards compatibility with handling __float128 and other + non-standard floating point types, allow all implicit floating + point conversions if neither type is extended floating-point + type and if at least one of them is, fail if they have unordered + conversion rank or from has higher conversion rank. */ + if (fcode == REAL_TYPE + && tcode == REAL_TYPE + && (extended_float_type_p (from) + || extended_float_type_p (to)) + && cp_compare_floating_point_conversion_ranks (from, to) >= 2) + conv->bad_p = true; } else if (fcode == VECTOR_TYPE && tcode == VECTOR_TYPE && vector_types_convertible_p (from, to, false)) @@ -5842,6 +5858,21 @@ build_conditional_expr (const op_location_t &loc, /* In this case, there is always a common type. */ result_type = type_after_usual_arithmetic_conversions (arg2_type, arg3_type); + if (result_type == error_mark_node + && TREE_CODE (arg2_type) == REAL_TYPE + && TREE_CODE (arg3_type) == REAL_TYPE + && (extended_float_type_p (arg2_type) + || extended_float_type_p (arg3_type)) + && cp_compare_floating_point_conversion_ranks (arg2_type, + arg3_type) == 3) + { + if (complain & tf_error) + error_at (loc, "operands to %<?:%> of types %qT and %qT " + "have unordered conversion rank", + arg2_type, arg3_type); + return error_mark_node; + } + if (complain & tf_warning) do_warn_double_promotion (result_type, arg2_type, arg3_type, "implicit conversion from %qH to %qI to " @@ -7906,6 +7937,27 @@ convert_like_internal (conversion *convs, tree expr, tree fn, int argnum, "direct-initialization", totype, TREE_TYPE (expr)); + if (TREE_CODE (TREE_TYPE (expr)) == REAL_TYPE + && TREE_CODE (totype) == REAL_TYPE + && (extended_float_type_p (TREE_TYPE (expr)) + || extended_float_type_p (totype))) + switch (cp_compare_floating_point_conversion_ranks (TREE_TYPE (expr), + totype)) + { + case 2: + pedwarn (loc, 0, "converting to %qH from %qI with greater " + "conversion rank", totype, TREE_TYPE (expr)); + complained = true; + break; + case 3: + pedwarn (loc, 0, "converting to %qH from %qI with unordered " + "conversion ranks", totype, TREE_TYPE (expr)); + complained = true; + break; + default: + break; + } + for (; t ; t = next_conversion (t)) { if (t->kind == ck_user && t->cand->reason) @@ -8531,7 +8583,8 @@ convert_arg_to_ellipsis (tree arg, tsubst_flags_t complain) if (TREE_CODE (arg_type) == REAL_TYPE && (TYPE_PRECISION (arg_type) < TYPE_PRECISION (double_type_node)) - && !DECIMAL_FLOAT_MODE_P (TYPE_MODE (arg_type))) + && !DECIMAL_FLOAT_MODE_P (TYPE_MODE (arg_type)) + && !extended_float_type_p (arg_type)) { if ((complain & tf_warning) && warn_double_promotion && !c_inhibit_evaluation_warnings) @@ -11719,6 +11772,81 @@ compare_ics (conversion *ics1, conversion *ics2) return 1; } + { + /* A conversion in either direction between floating-point type FP1 and + floating-point type FP2 is better than a conversion in the same + direction between FP1 and arithmetic type T3 if + - the floating-point conversion rank of FP1 is equal to the rank of + FP2, and + - T3 is not a floating-point type, or T3 is a floating-point type + whose rank is not equal to the rank of FP1, or the floating-point + conversion subrank of FP2 is greater than the subrank of T3. */ + tree fp1 = from_type1; + tree fp2 = to_type1; + tree fp3 = from_type2; + tree t3 = to_type2; + int ret = 1; + if (TYPE_MAIN_VARIANT (fp2) == TYPE_MAIN_VARIANT (t3)) + { + std::swap (fp1, fp2); + std::swap (fp3, t3); + } + if (TYPE_MAIN_VARIANT (fp1) == TYPE_MAIN_VARIANT (fp3) + && TREE_CODE (fp1) == REAL_TYPE + /* Only apply this rule if at least one of the 3 types is + extended floating-point type, otherwise keep them as + before for compatibility reasons with types like __float128. + float, double and long double alone have different conversion + ranks and so when just those 3 types are involved, this + rule doesn't trigger. */ + && (extended_float_type_p (fp1) + || (TREE_CODE (fp2) == REAL_TYPE && extended_float_type_p (fp2)) + || (TREE_CODE (t3) == REAL_TYPE && extended_float_type_p (t3)))) + { + if (TREE_CODE (fp2) != REAL_TYPE) + { + ret = -ret; + std::swap (fp2, t3); + } + if (TREE_CODE (fp2) == REAL_TYPE) + { + /* cp_compare_floating_point_conversion_ranks returns -1, 0 or 1 + if the conversion rank is equal (-1 or 1 if the subrank is + different). */ + if (IN_RANGE (cp_compare_floating_point_conversion_ranks (fp1, + fp2), + -1, 1)) + { + /* Conversion ranks of FP1 and FP2 are equal. */ + if (TREE_CODE (t3) != REAL_TYPE + || !IN_RANGE (cp_compare_floating_point_conversion_ranks + (fp1, t3), + -1, 1)) + /* FP1 <-> FP2 conversion is better. */ + return ret; + int c = cp_compare_floating_point_conversion_ranks (fp2, t3); + gcc_assert (IN_RANGE (c, -1, 1)); + if (c == 1) + /* Conversion subrank of FP2 is greater than subrank of T3. + FP1 <-> FP2 conversion is better. */ + return ret; + else if (c == -1) + /* Conversion subrank of FP2 is less than subrank of T3. + FP1 <-> T3 conversion is better. */ + return -ret; + } + else if (TREE_CODE (t3) == REAL_TYPE + && IN_RANGE (cp_compare_floating_point_conversion_ranks + (fp1, t3), + -1, 1)) + /* Conversion ranks of FP1 and FP2 are not equal, conversion + ranks of FP1 and T3 are equal. + FP1 <-> T3 conversion is better. */ + return -ret; + } + } + } + if (TYPE_PTR_P (from_type1) && TYPE_PTR_P (from_type2) && TYPE_PTR_P (to_type1) diff --git a/gcc/cp/cp-tree.h b/gcc/cp/cp-tree.h index e4d89207e2a..8779538abb3 100644 --- a/gcc/cp/cp-tree.h +++ b/gcc/cp/cp-tree.h @@ -7946,6 +7946,7 @@ extern tree require_complete_type (tree, extern tree complete_type (tree); extern tree complete_type_or_else (tree, tree); extern tree complete_type_or_maybe_complain (tree, tree, tsubst_flags_t); +extern int cp_compare_floating_point_conversion_ranks (tree, tree); inline bool type_unknown_p (const_tree); enum { ce_derived, ce_type, ce_normal, ce_exact }; extern bool comp_except_specs (const_tree, const_tree, int); @@ -8688,6 +8689,18 @@ struct push_access_scope_guard } }; +/* True if TYPE is an extended floating-point type. */ + +inline bool +extended_float_type_p (tree type) +{ + type = TYPE_MAIN_VARIANT (type); + for (int i = 0; i < NUM_FLOATN_NX_TYPES; ++i) + if (type == FLOATN_TYPE_NODE (i)) + return true; + return false; +} + #if CHECKING_P namespace selftest { extern void run_cp_tests (void); diff --git a/gcc/cp/mangle.cc b/gcc/cp/mangle.cc index 75388e99bfd..00d283fff8c 100644 --- a/gcc/cp/mangle.cc +++ b/gcc/cp/mangle.cc @@ -2648,63 +2648,24 @@ write_builtin_type (tree type) write_string ("Dd"); else if (type == dfloat128_type_node || type == fallback_dfloat128_type) write_string ("De"); + else if (type == float16_type_node) + write_string ("DF16_"); + else if (type == float32_type_node) + write_string ("DF32_"); + else if (type == float64_type_node) + write_string ("DF64_"); + else if (type == float128_type_node) + write_string ("DF128_"); + else if (type == float32x_type_node) + write_string ("DF32x"); + else if (type == float64x_type_node) + write_string ("DF64x"); + else if (type == float128x_type_node) + write_string ("DF128x"); else gcc_unreachable (); break; - case FIXED_POINT_TYPE: - write_string ("DF"); - if (GET_MODE_IBIT (TYPE_MODE (type)) > 0) - write_unsigned_number (GET_MODE_IBIT (TYPE_MODE (type))); - if (type == fract_type_node - || type == sat_fract_type_node - || type == accum_type_node - || type == sat_accum_type_node) - write_char ('i'); - else if (type == unsigned_fract_type_node - || type == sat_unsigned_fract_type_node - || type == unsigned_accum_type_node - || type == sat_unsigned_accum_type_node) - write_char ('j'); - else if (type == short_fract_type_node - || type == sat_short_fract_type_node - || type == short_accum_type_node - || type == sat_short_accum_type_node) - write_char ('s'); - else if (type == unsigned_short_fract_type_node - || type == sat_unsigned_short_fract_type_node - || type == unsigned_short_accum_type_node - || type == sat_unsigned_short_accum_type_node) - write_char ('t'); - else if (type == long_fract_type_node - || type == sat_long_fract_type_node - || type == long_accum_type_node - || type == sat_long_accum_type_node) - write_char ('l'); - else if (type == unsigned_long_fract_type_node - || type == sat_unsigned_long_fract_type_node - || type == unsigned_long_accum_type_node - || type == sat_unsigned_long_accum_type_node) - write_char ('m'); - else if (type == long_long_fract_type_node - || type == sat_long_long_fract_type_node - || type == long_long_accum_type_node - || type == sat_long_long_accum_type_node) - write_char ('x'); - else if (type == unsigned_long_long_fract_type_node - || type == sat_unsigned_long_long_fract_type_node - || type == unsigned_long_long_accum_type_node - || type == sat_unsigned_long_long_accum_type_node) - write_char ('y'); - else - sorry ("mangling unknown fixed point type"); - write_unsigned_number (GET_MODE_FBIT (TYPE_MODE (type))); - if (TYPE_SATURATING (type)) - write_char ('s'); - else - write_char ('n'); - break; - default: gcc_unreachable (); } diff --git a/gcc/cp/parser.cc b/gcc/cp/parser.cc index bb83d1c78f6..3dedd140428 100644 --- a/gcc/cp/parser.cc +++ b/gcc/cp/parser.cc @@ -1129,6 +1129,7 @@ cp_keyword_starts_decl_specifier_p (enum rid keyword) case RID_UNSIGNED: case RID_FLOAT: case RID_DOUBLE: + CASE_RID_FLOATN_NX: case RID_VOID: /* CV qualifiers. */ case RID_CONST: @@ -19716,6 +19717,14 @@ cp_parser_simple_type_specifier (cp_parser* parser, case RID_DOUBLE: type = double_type_node; break; + CASE_RID_FLOATN_NX: + type = FLOATN_NX_TYPE_NODE (token->keyword - RID_FLOATN_NX_FIRST); + if (type == NULL_TREE) + error ("%<_Float%d%s%> is not supported on this target", + floatn_nx_types[token->keyword - RID_FLOATN_NX_FIRST].n, + floatn_nx_types[token->keyword - RID_FLOATN_NX_FIRST].extended + ? "x" : ""); + break; case RID_VOID: type = void_type_node; break; diff --git a/gcc/cp/typeck.cc b/gcc/cp/typeck.cc index 22d834d3a58..4854b983765 100644 --- a/gcc/cp/typeck.cc +++ b/gcc/cp/typeck.cc @@ -267,6 +267,133 @@ merge_type_attributes_from (tree type, tree other_type) return cp_build_type_attribute_variant (type, attrs); } +/* Compare floating point conversion ranks and subranks of T1 and T2 + types. If T1 and T2 have unordered conversion ranks, return 3. + If T1 has greater conversion rank than T2, return 2. + If T2 has greater conversion rank than T1, return -2. + If T1 has equal conversion rank as T2, return -1, 0 or 1 depending + on if T1 has smaller, equal or greater conversion subrank than + T2. */ + +int +cp_compare_floating_point_conversion_ranks (tree t1, tree t2) +{ + tree mv1 = TYPE_MAIN_VARIANT (t1); + tree mv2 = TYPE_MAIN_VARIANT (t2); + int extended1 = 0; + int extended2 = 0; + + if (mv1 == mv2) + return 0; + + for (int i = 0; i < NUM_FLOATN_NX_TYPES; ++i) + { + if (mv1 == FLOATN_NX_TYPE_NODE (i)) + extended1 = i + 1; + if (mv2 == FLOATN_NX_TYPE_NODE (i)) + extended2 = i + 1; + } + if (extended2 && !extended1) + { + int ret = cp_compare_floating_point_conversion_ranks (t2, t1); + return ret == 3 ? 3 : -ret; + } + + const struct real_format *fmt1 = REAL_MODE_FORMAT (TYPE_MODE (t1)); + const struct real_format *fmt2 = REAL_MODE_FORMAT (TYPE_MODE (t2)); + gcc_assert (fmt1->b == 2 && fmt2->b == 2); + /* For {ibm,mips}_extended_format formats, the type has variable + precision up to ~2150 bits when the first double is around maximum + representable double and second double is subnormal minimum. + So, e.g. for __ibm128 vs. std::float128_t, they have unordered + ranks. */ + int p1 = (MODE_COMPOSITE_P (TYPE_MODE (t1)) + ? fmt1->emax - fmt1->emin + fmt1->p - 1 : fmt1->p); + int p2 = (MODE_COMPOSITE_P (TYPE_MODE (t2)) + ? fmt2->emax - fmt2->emin + fmt2->p - 1 : fmt2->p); + /* The rank of a floating point type T is greater than the rank of + any floating-point type whose set of values is a proper subset + of the set of values of T. */ + if ((p1 > p2 && fmt1->emax >= fmt2->emax) + || (p1 == p2 && fmt1->emax > fmt2->emax)) + return 2; + if ((p1 < p2 && fmt1->emax <= fmt2->emax) + || (p1 == p2 && fmt1->emax < fmt2->emax)) + return -2; + if ((p1 > p2 && fmt1->emax < fmt2->emax) + || (p1 < p2 && fmt1->emax > fmt2->emax)) + return 3; + if (!extended1 && !extended2) + { + /* The rank of long double is greater than the rank of double, which + is greater than the rank of float. */ + if (t1 == long_double_type_node) + return 2; + else if (t2 == long_double_type_node) + return -2; + if (t1 == double_type_node) + return 2; + else if (t2 == double_type_node) + return -2; + if (t1 == float_type_node) + return 2; + else if (t2 == float_type_node) + return -2; + return 0; + } + /* Two extended floating-point types with the same set of values have equal + ranks. */ + if (extended1 && extended2) + { + if ((extended1 <= NUM_FLOATN_TYPES) == (extended2 <= NUM_FLOATN_TYPES)) + { + /* Prefer higher extendedN value. */ + if (extended1 > extended2) + return 1; + else if (extended1 < extended2) + return -1; + else + return 0; + } + else if (extended1 <= NUM_FLOATN_TYPES) + /* Prefer _FloatN type over _FloatMx type. */ + return 1; + else if (extended2 <= NUM_FLOATN_TYPES) + return -1; + else + return 0; + } + + /* gcc_assert (extended1 && !extended2); */ + tree *p; + int cnt = 0; + for (p = &float_type_node; p <= &long_double_type_node; ++p) + { + const struct real_format *fmt3 = REAL_MODE_FORMAT (TYPE_MODE (*p)); + gcc_assert (fmt3->b == 2); + int p3 = (MODE_COMPOSITE_P (TYPE_MODE (*p)) + ? fmt3->emax - fmt3->emin + fmt3->p - 1 : fmt3->p); + if (p1 == p3 && fmt1->emax == fmt3->emax) + ++cnt; + } + /* An extended floating-point type with the same set of values + as exactly one cv-unqualified standard floating-point type + has a rank equal to the rank of that standard floating-point + type. + + An extended floating-point type with the same set of values + as more than one cv-unqualified standard floating-point type + has a rank equal to the rank of double. + + Thus, if the latter is true and t2 is long double, t2 + has higher rank. */ + if (cnt > 1 && mv2 == long_double_type_node) + return -2; + /* Otherwise, they have equal rank, but extended types + (other than std::bfloat16_t) have higher subrank. */ + return 1; +} + /* Return the common type for two arithmetic types T1 and T2 under the usual arithmetic conversions. The default conversions have already been applied, and enumerated types converted to their compatible @@ -337,6 +464,23 @@ cp_common_type (tree t1, tree t2) if (code2 == REAL_TYPE && code1 != REAL_TYPE) return build_type_attribute_variant (t2, attributes); + if (code1 == REAL_TYPE + && (extended_float_type_p (t1) || extended_float_type_p (t2))) + { + tree mv1 = TYPE_MAIN_VARIANT (t1); + tree mv2 = TYPE_MAIN_VARIANT (t2); + if (mv1 == mv2) + return build_type_attribute_variant (t1, attributes); + + int cmpret = cp_compare_floating_point_conversion_ranks (mv1, mv2); + if (cmpret == 3) + return error_mark_node; + else if (cmpret >= 0) + return build_type_attribute_variant (t1, attributes); + else + return build_type_attribute_variant (t2, attributes); + } + /* Both real or both integers; use the one with greater precision. */ if (TYPE_PRECISION (t1) > TYPE_PRECISION (t2)) return build_type_attribute_variant (t1, attributes); @@ -5037,7 +5181,20 @@ cp_build_binary_op (const op_location_t &location, = targetm.invalid_binary_op (code, type0, type1))) { if (complain & tf_error) - error (invalid_op_diag); + { + if (code0 == REAL_TYPE + && code1 == REAL_TYPE + && (extended_float_type_p (type0) + || extended_float_type_p (type1)) + && cp_compare_floating_point_conversion_ranks (type0, + type1) == 3) + { + rich_location richloc (line_table, location); + binary_op_error (&richloc, code, type0, type1); + } + else + error (invalid_op_diag); + } return error_mark_node; } @@ -5907,6 +6064,19 @@ cp_build_binary_op (const op_location_t &location, && (shorten || common || short_compare)) { result_type = cp_common_type (type0, type1); + if (result_type == error_mark_node + && code0 == REAL_TYPE + && code1 == REAL_TYPE + && (extended_float_type_p (type0) || extended_float_type_p (type1)) + && cp_compare_floating_point_conversion_ranks (type0, type1) == 3) + { + if (complain & tf_error) + { + rich_location richloc (line_table, location); + binary_op_error (&richloc, code, type0, type1); + } + return error_mark_node; + } if (complain & tf_warning) { do_warn_double_promotion (result_type, type0, type1, diff --git a/gcc/cp/typeck2.cc b/gcc/cp/typeck2.cc index 739097a9734..d5236d19b09 100644 --- a/gcc/cp/typeck2.cc +++ b/gcc/cp/typeck2.cc @@ -997,12 +997,25 @@ check_narrowing (tree type, tree init, tsubst_flags_t complain, else if (TREE_CODE (ftype) == REAL_TYPE && TREE_CODE (type) == REAL_TYPE) { - if ((same_type_p (ftype, long_double_type_node) - && (same_type_p (type, double_type_node) - || same_type_p (type, float_type_node))) - || (same_type_p (ftype, double_type_node) - && same_type_p (type, float_type_node)) - || (TYPE_PRECISION (type) < TYPE_PRECISION (ftype))) + if ((extended_float_type_p (ftype) || extended_float_type_p (type)) + ? /* "from a floating-point type T to another floating-point type + whose floating-point conversion rank is neither greater than + nor equal to that of T". + So, it is ok if + cp_compare_floating_point_conversion_ranks (ftype, type) + returns -2 (type has greater conversion rank than ftype) + or [-1..1] (type has equal conversion rank as ftype, possibly + different subrank. Only do this if at least one of the + types is extended floating-point type, otherwise keep doing + what we did before (for the sake of non-standard + backend types). */ + cp_compare_floating_point_conversion_ranks (ftype, type) >= 2 + : ((same_type_p (ftype, long_double_type_node) + && (same_type_p (type, double_type_node) + || same_type_p (type, float_type_node))) + || (same_type_p (ftype, double_type_node) + && same_type_p (type, float_type_node)) + || (TYPE_PRECISION (type) < TYPE_PRECISION (ftype)))) { if (TREE_CODE (init) == REAL_CST) { diff --git a/gcc/testsuite/g++.dg/cpp23/ext-floating.h b/gcc/testsuite/g++.dg/cpp23/ext-floating.h new file mode 100644 index 00000000000..ffd9e636a0d --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp23/ext-floating.h @@ -0,0 +1,30 @@ +// P1467R9 - Extended floating-point types and standard names. + +namespace std +{ + #ifdef __STDCPP_FLOAT16_T__ + using float16_t = _Float16; + #endif + #ifdef __STDCPP_FLOAT32_T__ + using float32_t = _Float32; + #endif + #ifdef __STDCPP_FLOAT64_T__ + using float64_t = _Float64; + #endif + #ifdef __STDCPP_FLOAT128_T__ + using float128_t = _Float128; + #endif + #undef __STDCPP_BFLOAT16_T__ + #ifdef __STDCPP_BFLOAT16_T__ + using bfloat16_t = __bf16; // ??? + #endif + template<typename T, T v> struct integral_constant { + static constexpr T value = v; + }; + typedef integral_constant<bool, false> false_type; + typedef integral_constant<bool, true> true_type; + template<class T, class U> + struct is_same : std::false_type {}; + template <class T> + struct is_same<T, T> : std::true_type {}; +} diff --git a/gcc/testsuite/g++.dg/cpp23/ext-floating1.C b/gcc/testsuite/g++.dg/cpp23/ext-floating1.C new file mode 100644 index 00000000000..63232afada8 --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp23/ext-floating1.C @@ -0,0 +1,447 @@ +// P1467R9 - Extended floating-point types and standard names. +// { dg-do compile { target c++23 } } +// { dg-options "" } + +#include "ext-floating.h" + +#ifdef __STRICT_ANSI__ +#undef __SIZEOF_FLOAT128__ +#endif + +using namespace std; + +static_assert (!is_same<float, double>::value); +static_assert (!is_same<float, long double>::value); +static_assert (!is_same<double, long double>::value); +static_assert (is_same<decltype (0.0f), float>::value); +static_assert (is_same<decltype (0.0F), float>::value); +static_assert (is_same<decltype (0.0), double>::value); +static_assert (is_same<decltype (0.0l), long double>::value); +static_assert (is_same<decltype (0.0L), long double>::value); +static_assert (is_same<decltype (0.0f + 0.0F), float>::value); +static_assert (is_same<decltype (0.0F + 0.0f), float>::value); +static_assert (is_same<decltype (0.0 + 0.0), double>::value); +static_assert (is_same<decltype (0.0l + 0.0L), long double>::value); +static_assert (is_same<decltype (0.0L + 0.0l), long double>::value); +#ifdef __SIZEOF_FLOAT128__ +static_assert (is_same<decltype (0.0q), __float128>::value); +static_assert (is_same<decltype (0.0Q), __float128>::value); +static_assert (is_same<decltype (0.0q + 0.0q), __float128>::value); +static_assert (is_same<decltype (0.0Q + 0.0Q), __float128>::value); +#endif +#ifdef __STDCPP_FLOAT16_T__ +static_assert (!is_same<float, float16_t>::value); +static_assert (!is_same<double, float16_t>::value); +static_assert (!is_same<long double, float16_t>::value); +static_assert (is_same<decltype (0.0f16), float16_t>::value); +static_assert (is_same<decltype (0.0F16), float16_t>::value); +static_assert (is_same<decltype (0.0f16 + 0.0f16), float16_t>::value); +static_assert (is_same<decltype (0.0F16 + 0.0F16), float16_t>::value); +#endif +#ifdef __STDCPP_FLOAT32_T__ +static_assert (!is_same<float, float32_t>::value); +static_assert (!is_same<double, float32_t>::value); +static_assert (!is_same<long double, float32_t>::value); +static_assert (!is_same<decltype (0.0f), float32_t>::value); +static_assert (!is_same<decltype (0.0F), float32_t>::value); +static_assert (is_same<decltype (0.0f32), float32_t>::value); +static_assert (is_same<decltype (0.0F32), float32_t>::value); +static_assert (!is_same<decltype (0.0f32), float>::value); +static_assert (!is_same<decltype (0.0F32), float>::value); +static_assert (is_same<decltype (0.0f32 + 0.0f32), float32_t>::value); +static_assert (is_same<decltype (0.0F32 + 0.0F32), float32_t>::value); +#endif +#ifdef __STDCPP_FLOAT64_T__ +static_assert (!is_same<float, float64_t>::value); +static_assert (!is_same<double, float64_t>::value); +static_assert (!is_same<long double, float64_t>::value); +static_assert (!is_same<decltype (0.0), float64_t>::value); +static_assert (is_same<decltype (0.0f64), float64_t>::value); +static_assert (is_same<decltype (0.0F64), float64_t>::value); +static_assert (!is_same<decltype (0.0f64), double>::value); +static_assert (!is_same<decltype (0.0F64), double>::value); +static_assert (is_same<decltype (0.0f64 + 0.0f64), float64_t>::value); +static_assert (is_same<decltype (0.0F64 + 0.0F64), float64_t>::value); +#endif +#ifdef __STDCPP_FLOAT128_T__ +static_assert (!is_same<float, float128_t>::value); +static_assert (!is_same<double, float128_t>::value); +static_assert (!is_same<long double, float128_t>::value); +static_assert (!is_same<decltype (0.0l), float128_t>::value); +static_assert (!is_same<decltype (0.0L), float128_t>::value); +static_assert (is_same<decltype (0.0f128), float128_t>::value); +static_assert (is_same<decltype (0.0F128), float128_t>::value); +static_assert (!is_same<decltype (0.0f128), long double>::value); +static_assert (!is_same<decltype (0.0F128), long double>::value); +static_assert (is_same<decltype (0.0f128 + 0.0f128), float128_t>::value); +static_assert (is_same<decltype (0.0F128 + 0.0F128), float128_t>::value); +#ifdef __SIZEOF_FLOAT128__ +static_assert (!is_same<float128_t, __float128>::value); +static_assert (!is_same<decltype (0.0q), float128_t>::value); +static_assert (!is_same<decltype (0.0Q), float128_t>::value); +static_assert (!is_same<decltype (0.0f128), __float128>::value); +static_assert (!is_same<decltype (0.0F128), __float128>::value); +#endif +#endif +#ifdef __STDCPP_BFLOAT16_T__ +static_assert (!is_same<float, bfloat16_t>::value); +static_assert (!is_same<double, bfloat16_t>::value); +static_assert (!is_same<long double, bfloat16_t>::value); +static_assert (is_same<decltype (0.0bf16), bfloat16_t>::value); +static_assert (is_same<decltype (0.0BF16), bfloat16_t>::value); +static_assert (is_same<decltype (0.0bf16 + 0.0bf16), bfloat16_t>::value); +static_assert (is_same<decltype (0.0BF16 + 0.0BF16), bfloat16_t>::value); +#endif +#ifdef __FLT32X_MANT_DIG__ +static_assert (!is_same<float, _Float32x>::value); +static_assert (!is_same<double, _Float32x>::value); +static_assert (!is_same<long double, _Float32x>::value); +static_assert (!is_same<decltype (0.0f), _Float32x>::value); +static_assert (!is_same<decltype (0.0F), _Float32x>::value); +static_assert (is_same<decltype (0.0f32x), _Float32x>::value); +static_assert (is_same<decltype (0.0F32x), _Float32x>::value); +static_assert (!is_same<decltype (0.0f32x), float>::value); +static_assert (!is_same<decltype (0.0F32x), float>::value); +static_assert (is_same<decltype (0.0f32x + 0.0f32x), _Float32x>::value); +static_assert (is_same<decltype (0.0F32x + 0.0F32x), _Float32x>::value); +#ifdef __STDCPP_FLOAT16_T__ +static_assert (!is_same<float16_t, _Float32x>::value); +static_assert (!is_same<decltype (0.0f16), _Float32x>::value); +static_assert (!is_same<decltype (0.0F16), _Float32x>::value); +static_assert (!is_same<decltype (0.0f32x), float16_t>::value); +static_assert (!is_same<decltype (0.0F32x), float16_t>::value); +#endif +#ifdef __STDCPP_FLOAT32_T__ +static_assert (!is_same<float32_t, _Float32x>::value); +static_assert (!is_same<decltype (0.0f32), _Float32x>::value); +static_assert (!is_same<decltype (0.0F32), _Float32x>::value); +static_assert (!is_same<decltype (0.0f32x), float32_t>::value); +static_assert (!is_same<decltype (0.0F32x), float32_t>::value); +#endif +#ifdef __STDCPP_FLOAT64_T__ +static_assert (!is_same<float64_t, _Float32x>::value); +static_assert (!is_same<decltype (0.0f64), _Float32x>::value); +static_assert (!is_same<decltype (0.0F64), _Float32x>::value); +static_assert (!is_same<decltype (0.0f32x), float64_t>::value); +static_assert (!is_same<decltype (0.0F32x), float64_t>::value); +#endif +#ifdef __STDCPP_FLOAT128_T__ +static_assert (!is_same<float128_t, _Float32x>::value); +static_assert (!is_same<decltype (0.0f128), _Float32x>::value); +static_assert (!is_same<decltype (0.0F128), _Float32x>::value); +static_assert (!is_same<decltype (0.0f32x), float128_t>::value); +static_assert (!is_same<decltype (0.0F32x), float128_t>::value); +#endif +#endif +#ifdef __FLT64X_MANT_DIG__ +static_assert (!is_same<float, _Float64x>::value); +static_assert (!is_same<double, _Float64x>::value); +static_assert (!is_same<long double, _Float64x>::value); +static_assert (!is_same<decltype (0.0), _Float64x>::value); +static_assert (is_same<decltype (0.0f64x), _Float64x>::value); +static_assert (is_same<decltype (0.0F64x), _Float64x>::value); +static_assert (!is_same<decltype (0.0f64x), double>::value); +static_assert (!is_same<decltype (0.0F64x), double>::value); +static_assert (is_same<decltype (0.0f64x + 0.0f64x), _Float64x>::value); +static_assert (is_same<decltype (0.0F64x + 0.0F64x), _Float64x>::value); +#ifdef __STDCPP_FLOAT16_T__ +static_assert (!is_same<float16_t, _Float64x>::value); +static_assert (!is_same<decltype (0.0f16), _Float64x>::value); +static_assert (!is_same<decltype (0.0F16), _Float64x>::value); +static_assert (!is_same<decltype (0.0f64x), float16_t>::value); +static_assert (!is_same<decltype (0.0F64x), float16_t>::value); +#endif +#ifdef __STDCPP_FLOAT32_T__ +static_assert (!is_same<float32_t, _Float64x>::value); +static_assert (!is_same<decltype (0.0f32), _Float64x>::value); +static_assert (!is_same<decltype (0.0F32), _Float64x>::value); +static_assert (!is_same<decltype (0.0f64x), float32_t>::value); +static_assert (!is_same<decltype (0.0F64x), float32_t>::value); +#endif +#ifdef __STDCPP_FLOAT64_T__ +static_assert (!is_same<float64_t, _Float64x>::value); +static_assert (!is_same<decltype (0.0f64), _Float64x>::value); +static_assert (!is_same<decltype (0.0F64), _Float64x>::value); +static_assert (!is_same<decltype (0.0f64x), float64_t>::value); +static_assert (!is_same<decltype (0.0F64x), float64_t>::value); +#endif +#ifdef __STDCPP_FLOAT128_T__ +static_assert (!is_same<float128_t, _Float64x>::value); +static_assert (!is_same<decltype (0.0f128), _Float64x>::value); +static_assert (!is_same<decltype (0.0F128), _Float64x>::value); +static_assert (!is_same<decltype (0.0f64x), float128_t>::value); +static_assert (!is_same<decltype (0.0F64x), float128_t>::value); +#endif +#ifdef __SIZEOF_FLOAT128__ +static_assert (!is_same<_Float64x, __float128>::value); +static_assert (!is_same<decltype (0.0q), _Float64x>::value); +static_assert (!is_same<decltype (0.0Q), _Float64x>::value); +static_assert (!is_same<decltype (0.0f64x), __float128>::value); +static_assert (!is_same<decltype (0.0F64x), __float128>::value); +#endif +#endif +#ifdef __FLT128X_MANT_DIG__ +static_assert (!is_same<float, _Float128x>::value); +static_assert (!is_same<double, _Float128x>::value); +static_assert (!is_same<long double, _Float128x>::value); +static_assert (!is_same<decltype (0.0l), _Float128x>::value); +static_assert (!is_same<decltype (0.0L), _Float128x>::value); +static_assert (is_same<decltype (0.0f128x), _Float128x>::value); +static_assert (is_same<decltype (0.0F128x), _Float128x>::value); +static_assert (!is_same<decltype (0.0f128x), long double>::value); +static_assert (!is_same<decltype (0.0F128x), long double>::value); +static_assert (is_same<decltype (0.0f128x + 0.0f128x), _Float128x>::value); +static_assert (is_same<decltype (0.0F128x + 0.0F128x), _Float128x>::value); +#ifdef __STDCPP_FLOAT16_T__ +static_assert (!is_same<float16_t, _Float128x>::value); +static_assert (!is_same<decltype (0.0f16), _Float128x>::value); +static_assert (!is_same<decltype (0.0F16), _Float128x>::value); +static_assert (!is_same<decltype (0.0f128x), float16_t>::value); +static_assert (!is_same<decltype (0.0F128x), float16_t>::value); +#endif +#ifdef __STDCPP_FLOAT32_T__ +static_assert (!is_same<float32_t, _Float128x>::value); +static_assert (!is_same<decltype (0.0f32), _Float128x>::value); +static_assert (!is_same<decltype (0.0F32), _Float128x>::value); +static_assert (!is_same<decltype (0.0f128x), float32_t>::value); +static_assert (!is_same<decltype (0.0F128x), float32_t>::value); +#endif +#ifdef __STDCPP_FLOAT64_T__ +static_assert (!is_same<float64_t, _Float128x>::value); +static_assert (!is_same<decltype (0.0f64), _Float128x>::value); +static_assert (!is_same<decltype (0.0F64), _Float128x>::value); +static_assert (!is_same<decltype (0.0f128x), float64_t>::value); +static_assert (!is_same<decltype (0.0F128x), float64_t>::value); +#endif +#ifdef __STDCPP_FLOAT128_T__ +static_assert (!is_same<float128_t, _Float128x>::value); +static_assert (!is_same<decltype (0.0f128), _Float128x>::value); +static_assert (!is_same<decltype (0.0F128), _Float128x>::value); +static_assert (!is_same<decltype (0.0f128x), float128_t>::value); +static_assert (!is_same<decltype (0.0F128x), float128_t>::value); +#endif +#ifdef __SIZEOF_FLOAT128__ +static_assert (!is_same<_Float128x, __float128>::value); +static_assert (!is_same<decltype (0.0q), _Float128x>::value); +static_assert (!is_same<decltype (0.0Q), _Float128x>::value); +static_assert (!is_same<decltype (0.0f128x), __float128>::value); +static_assert (!is_same<decltype (0.0F128x), __float128>::value); +#endif +#endif +static_assert (is_same<decltype (0.0f + 0.0), double>::value); +static_assert (is_same<decltype (0.0 + 0.0F), double>::value); +static_assert (is_same<decltype (0.0L + 0.0), long double>::value); +static_assert (is_same<decltype (0.0 + 0.0L), long double>::value); +static_assert (is_same<decltype (0.0L + 0.0f), long double>::value); +static_assert (is_same<decltype (0.0F + 0.0l), long double>::value); +#if defined(__STDCPP_FLOAT16_T__) && defined(__STDCPP_FLOAT32_T__) +static_assert (!is_same<float16_t, float32_t>::value); +static_assert (is_same<decltype (0.0f16 + 0.0f32), float32_t>::value); +static_assert (is_same<decltype (0.0F32 + 0.0F16), float32_t>::value); +#endif +#if defined(__STDCPP_FLOAT16_T__) && defined(__STDCPP_FLOAT64_T__) +static_assert (!is_same<float16_t, float64_t>::value); +static_assert (is_same<decltype (0.0f16 + 0.0f64), float64_t>::value); +static_assert (is_same<decltype (0.0F64 + 0.0F16), float64_t>::value); +#endif +#if defined(__STDCPP_FLOAT16_T__) && defined(__STDCPP_FLOAT128_T__) +static_assert (!is_same<float16_t, float128_t>::value); +static_assert (is_same<decltype (0.0f16 + 0.0f128), float128_t>::value); +static_assert (is_same<decltype (0.0F128 + 0.0F16), float128_t>::value); +#endif +#if defined(__STDCPP_FLOAT16_T__) && defined(__FLT32X_MANT_DIG__) +static_assert (is_same<decltype (0.0f16 + 0.0f32x), _Float32x>::value); +static_assert (is_same<decltype (0.0F32x + 0.0F16), _Float32x>::value); +#endif +#if defined(__STDCPP_FLOAT16_T__) && defined(__FLT64X_MANT_DIG__) +static_assert (is_same<decltype (0.0f16 + 0.0f64x), _Float64x>::value); +static_assert (is_same<decltype (0.0F64x + 0.0F16), _Float64x>::value); +#endif +#if defined(__STDCPP_FLOAT16_T__) && defined(__FLT128X_MANT_DIG__) +static_assert (is_same<decltype (0.0f16 + 0.0f128x), _Float128x>::value); +static_assert (is_same<decltype (0.0F128x + 0.0F16), _Float128x>::value); +#endif +#if defined(__STDCPP_FLOAT32_T__) && defined(__STDCPP_FLOAT64_T__) +static_assert (!is_same<float32_t, float64_t>::value); +static_assert (is_same<decltype (0.0f32 + 0.0f64), float64_t>::value); +static_assert (is_same<decltype (0.0F64 + 0.0F32), float64_t>::value); +#endif +#if defined(__STDCPP_FLOAT32_T__) && defined(__STDCPP_FLOAT128_T__) +static_assert (!is_same<float32_t, float128_t>::value); +static_assert (is_same<decltype (0.0f32 + 0.0f128), float128_t>::value); +static_assert (is_same<decltype (0.0F128 + 0.0F32), float128_t>::value); +#endif +#if defined(__STDCPP_FLOAT32_T__) && defined(__FLT32X_MANT_DIG__) +static_assert (is_same<decltype (0.0f32 + 0.0f32x), _Float32x>::value); +static_assert (is_same<decltype (0.0F32x + 0.0F32), _Float32x>::value); +#endif +#if defined(__STDCPP_FLOAT32_T__) && defined(__FLT64X_MANT_DIG__) +static_assert (is_same<decltype (0.0f32 + 0.0f64x), _Float64x>::value); +static_assert (is_same<decltype (0.0F64x + 0.0F32), _Float64x>::value); +#endif +#if defined(__STDCPP_FLOAT32_T__) && defined(__FLT128X_MANT_DIG__) +static_assert (is_same<decltype (0.0f32 + 0.0f128x), _Float128x>::value); +static_assert (is_same<decltype (0.0F128x + 0.0F32), _Float128x>::value); +#endif +#if defined(__STDCPP_FLOAT64_T__) && defined(__STDCPP_FLOAT128_T__) +static_assert (!is_same<float64_t, float128_t>::value); +static_assert (is_same<decltype (0.0f64 + 0.0f128), float128_t>::value); +static_assert (is_same<decltype (0.0F128 + 0.0F64), float128_t>::value); +#endif +#if defined(__STDCPP_FLOAT64_T__) && defined(__FLT32X_MANT_DIG__) \ + && __FLT64_MAX_EXP__ == __FLT32X_MAX_EXP__ \ + && __FLT64_MANT_DIG__ == __FLT32X_MANT_DIG__ +static_assert (is_same<decltype (0.0f64 + 0.0f32x), float64_t>::value); +static_assert (is_same<decltype (0.0F32x + 0.0F64), float64_t>::value); +#endif +#if defined(__STDCPP_FLOAT64_T__) && defined(__FLT64X_MANT_DIG__) +static_assert (is_same<decltype (0.0f64 + 0.0f64x), _Float64x>::value); +static_assert (is_same<decltype (0.0F64x + 0.0F64), _Float64x>::value); +#endif +#if defined(__STDCPP_FLOAT64_T__) && defined(__FLT128X_MANT_DIG__) +static_assert (is_same<decltype (0.0f64 + 0.0f128x), _Float128x>::value); +static_assert (is_same<decltype (0.0F128x + 0.0F64), _Float128x>::value); +#endif +#if defined(__STDCPP_FLOAT128_T__) && defined(__FLT32X_MANT_DIG__) \ + && __FLT128_MAX_EXP__ >= __FLT32X_MAX_EXP__ \ + && __FLT128_MANT_DIG__ >= __FLT32X_MANT_DIG__ +static_assert (is_same<decltype (0.0f128 + 0.0f32x), float128_t>::value); +static_assert (is_same<decltype (0.0F32x + 0.0F128), float128_t>::value); +#endif +#if defined(__STDCPP_FLOAT128_T__) && defined(__FLT64X_MANT_DIG__) \ + && __FLT128_MAX_EXP__ >= __FLT64X_MAX_EXP__ \ + && __FLT128_MANT_DIG__ >= __FLT64X_MANT_DIG__ +static_assert (is_same<decltype (0.0f128 + 0.0f64x), float128_t>::value); +static_assert (is_same<decltype (0.0F64x + 0.0F128), float128_t>::value); +#endif +#if defined(__STDCPP_FLOAT128_T__) && defined(__FLT128X_MANT_DIG__) +static_assert (is_same<decltype (0.0f128 + 0.0f128x), _Float128>::value); +static_assert (is_same<decltype (0.0F128x + 0.0F128), _Float128>::value); +#endif +#if defined(__STDCPP_BFLOAT16_T__) && defined(__STDCPP_FLOAT32_T__) +static_assert (!is_same<bfloat16_t, float32_t>::value); +static_assert (is_same<decltype (0.0bf16 + 0.0f32), float32_t>::value); +static_assert (is_same<decltype (0.0F32 + 0.0BF16), float32_t>::value); +#endif +#if defined(__STDCPP_BFLOAT16_T__) && defined(__STDCPP_FLOAT64_T__) +static_assert (!is_same<bfloat16_t, float64_t>::value); +static_assert (is_same<decltype (0.0bf16 + 0.0f64), float64_t>::value); +static_assert (is_same<decltype (0.0F64 + 0.0BF16), float64_t>::value); +#endif +#if defined(__STDCPP_BFLOAT16_T__) && defined(__STDCPP_FLOAT128_T__) +static_assert (!is_same<bfloat16_t, float128_t>::value); +static_assert (is_same<decltype (0.0bf16 + 0.0f128), float128_t>::value); +static_assert (is_same<decltype (0.0F128 + 0.0BF16), float128_t>::value); +#endif +#ifdef __STDCPP_FLOAT16_T__ +#if __FLT_MAX_EXP__ > __FLT16_MAX_EXP__ && __FLT_MANT_DIG__ > __FLT16_MANT_DIG__ +static_assert (is_same<decltype (0.0f + 0.0f16), float>::value); +static_assert (is_same<decltype (0.0F16 + 0.0F), float>::value); +#endif +#if __DBL_MAX_EXP__ > __FLT16_MAX_EXP__ && __DBL_MANT_DIG__ > __FLT16_MANT_DIG__ +static_assert (is_same<decltype (0.0 + 0.0f16), double>::value); +static_assert (is_same<decltype (0.0F16 + 0.0), double>::value); +#endif +#if __LDBL_MAX_EXP__ > __FLT16_MAX_EXP__ && __LDBL_MANT_DIG__ > __FLT16_MANT_DIG__ +static_assert (is_same<decltype (0.0L + 0.0f16), long double>::value); +static_assert (is_same<decltype (0.0F16 + 0.0l), long double>::value); +#endif +#endif +#ifdef __STDCPP_FLOAT32_T__ +#if __FLT_MAX_EXP__ == __FLT32_MAX_EXP__ && __FLT_MANT_DIG__ == __FLT32_MANT_DIG__ +static_assert (is_same<decltype (0.0f + 0.0f32), float32_t>::value); +static_assert (is_same<decltype (0.0F32 + 0.0F), float32_t>::value); +#endif +#if __DBL_MAX_EXP__ > __FLT32_MAX_EXP__ && __DBL_MANT_DIG__ > __FLT32_MANT_DIG__ +static_assert (is_same<decltype (0.0 + 0.0f32), double>::value); +static_assert (is_same<decltype (0.0F32 + 0.0), double>::value); +#endif +#if __LDBL_MAX_EXP__ > __FLT32_MAX_EXP__ && __LDBL_MANT_DIG__ > __FLT32_MANT_DIG__ +static_assert (is_same<decltype (0.0L + 0.0f32), long double>::value); +static_assert (is_same<decltype (0.0F32 + 0.0l), long double>::value); +#endif +#endif +#ifdef __STDCPP_FLOAT64_T__ +#if __FLT_MAX_EXP__ < __FLT64_MAX_EXP__ && __FLT_MANT_DIG__ < __FLT64_MANT_DIG__ +static_assert (is_same<decltype (0.0f + 0.0f64), float64_t>::value); +static_assert (is_same<decltype (0.0F64 + 0.0F), float64_t>::value); +#endif +#if __DBL_MAX_EXP__ == __FLT64_MAX_EXP__ && __DBL_MANT_DIG__ == __FLT64_MANT_DIG__ +static_assert (is_same<decltype (0.0 + 0.0f64), float64_t>::value); +static_assert (is_same<decltype (0.0F64 + 0.0), float64_t>::value); +#endif +#if __LDBL_MAX_EXP__ > __FLT64_MAX_EXP__ && __LDBL_MANT_DIG__ > __FLT64_MANT_DIG__ +static_assert (is_same<decltype (0.0L + 0.0f64), long double>::value); +static_assert (is_same<decltype (0.0F64 + 0.0l), long double>::value); +#endif +#if __LDBL_MAX_EXP__ == __FLT64_MAX_EXP__ && __LDBL_MANT_DIG__ == __FLT64_MANT_DIG__ \ + && __DBL_MAX_EXP__ == __FLT64_MAX_EXP__ && __DBL_MANT_DIG__ == __FLT64_MANT_DIG__ +// An extended floating-point type with the same set of values as more than one +// cv-unqualified standard floating-point type has a rank equal to the rank of +// double. +// Then long double will have higher rank than float64_t. +static_assert (is_same<decltype (0.0L + 0.0f64), long double>::value); +static_assert (is_same<decltype (0.0F64 + 0.0l), long double>::value); +#endif +#endif +#ifdef __STDCPP_FLOAT128_T__ +#if __FLT_MAX_EXP__ < __FLT128_MAX_EXP__ && __FLT_MANT_DIG__ < __FLT128_MANT_DIG__ +static_assert (is_same<decltype (0.0f + 0.0f128), float128_t>::value); +static_assert (is_same<decltype (0.0F128 + 0.0F), float128_t>::value); +#endif +#if __DBL_MAX_EXP__ < __FLT128_MAX_EXP__ && __DBL_MANT_DIG__ < __FLT128_MANT_DIG__ +static_assert (is_same<decltype (0.0 + 0.0f128), float128_t>::value); +static_assert (is_same<decltype (0.0F128 + 0.0), float128_t>::value); +#endif +#if __LDBL_MAX_EXP__ <= __FLT128_MAX_EXP__ && __LDBL_MANT_DIG__ <= __FLT128_MANT_DIG__ \ + && __LDBL_MANT_DIG__ != 106 // IBM extended long double and IEEE quad are unordered. +static_assert (is_same<decltype (0.0L + 0.0f128), float128_t>::value); +static_assert (is_same<decltype (0.0F128 + 0.0l), float128_t>::value); +#endif +#ifdef __SIZEOF_FLOAT128__ +static_assert (is_same<decltype (0.0Q + 0.0f128), float128_t>::value); +static_assert (is_same<decltype (0.0F128 + 0.0q), float128_t>::value); +#endif +#endif +#ifdef __STDCPP_BFLOAT16_T__ +#if __FLT_MAX_EXP__ > __BFLT16_MAX_EXP__ && __FLT_MANT_DIG__ > __BFLT16_MANT_DIG__ +static_assert (is_same<decltype (0.0f + 0.0bf16), float>::value); +static_assert (is_same<decltype (0.0BF16 + 0.0F), float>::value); +#endif +#if __DBL_MAX_EXP__ > __BFLT16_MAX_EXP__ && __DBL_MANT_DIG__ > __BFLT16_MANT_DIG__ +static_assert (is_same<decltype (0.0 + 0.0bf16), double>::value); +static_assert (is_same<decltype (0.0BF16 + 0.0), double>::value); +#endif +#if __LDBL_MAX_EXP__ > __BFLT16_MAX_EXP__ && __LDBL_MANT_DIG__ > __BFLT16_MANT_DIG__ +static_assert (is_same<decltype (0.0L + 0.0bf16), long double>::value); +static_assert (is_same<decltype (0.0BF16 + 0.0l), long double>::value); +#endif +#endif + +void foo (float) {} +void foo (double) {} +void foo (long double) {} +#ifdef __STDCPP_FLOAT16_T__ +void foo (float16_t) {} +#endif +#ifdef __STDCPP_FLOAT32_T__ +void foo (float32_t) {} +#endif +#ifdef __STDCPP_FLOAT64_T__ +void foo (float64_t) {} +#endif +#ifdef __STDCPP_FLOAT128_T__ +void foo (float128_t) {} +#endif +#ifdef __STDCPP_BFLOAT16_T__ +void foo (bfloat16_t) {} +#endif +#ifdef __FLT32X_MANT_DIG__ +void foo (_Float32x) {} +#endif +#ifdef __FLT64X_MANT_DIG__ +void foo (_Float64x) {} +#endif +#ifdef __FLT128X_MANT_DIG__ +void foo (_Float128x) {} +#endif diff --git a/gcc/testsuite/g++.dg/cpp23/ext-floating10.C b/gcc/testsuite/g++.dg/cpp23/ext-floating10.C new file mode 100644 index 00000000000..f5563fedd82 --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp23/ext-floating10.C @@ -0,0 +1,13 @@ +// P1467R9 - Extended floating-point types and standard names. +// { dg-do run { target { c++23 && float128_runtime } } } +// { dg-options "" } +// { dg-add-options float128 } + +#ifndef WIDTH +#ifndef __STDCPP_FLOAT128_T__ +#error Unexpected +#endif +#define WIDTH 128 +#endif + +#include "ext-floating7.C" diff --git a/gcc/testsuite/g++.dg/cpp23/ext-floating2.C b/gcc/testsuite/g++.dg/cpp23/ext-floating2.C new file mode 100644 index 00000000000..41e9a54ada5 --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp23/ext-floating2.C @@ -0,0 +1,157 @@ +// P1467R9 - Extended floating-point types and standard names. +// { dg-do compile { target c++23 } } +// { dg-options "" } + +#include "ext-floating.h" + +#ifdef __STRICT_ANSI__ +#undef __SIZEOF_FLOAT128__ +#endif + +using namespace std; + +float fa = 1.0f; +float fb = (float) 1.0f; +float fc = 1.0; +float fd = (float) 1.0; +float fe = 1.0L; +float ff = (float) 1.0L; +#ifdef __SIZEOF_FLOAT128__ +float fg = 1.0Q; +float fh = (float) 1.0Q; +#endif +double da = 1.0f; +double db = (double) 1.0f; +double dc = 1.0; +double dd = (double) 1.0; +double de = 1.0L; +double df = (double) 1.0L; +#ifdef __SIZEOF_FLOAT128__ +double dg = 1.0Q; +double dh = (double) 1.0Q; +#endif +long double lda = 1.0f; +long double ldb = (long double) 1.0f; +long double ldc = 1.0; +long double ldd = (long double) 1.0; +long double lde = 1.0L; +long double ldf = (long double) 1.0L; +#ifdef __SIZEOF_FLOAT128__ +long double ldg = 1.0Q; +long double ldh = (long double) 1.0Q; +__float128 qa = 1.0f; +__float128 qb = (__float128) 1.0f; +__float128 qc = 1.0; +__float128 qd = (__float128) 1.0; +__float128 qe = 1.0L; +__float128 qf = (__float128) 1.0L; +__float128 qg = 1.0Q; +__float128 qh = (__float128) 1.0Q; +#endif +#ifdef __STDCPP_FLOAT16_T__ +float16_t f16a = 1.0F16; +float16_t f16b = (float16_t) 1.0F16; +#ifdef __STDCPP_FLOAT32_T__ +float16_t f16c = 1.0F32; // { dg-warning "converting to 'std::float16_t' \\\{aka '_Float16'\\\} from '_Float32' with greater conversion rank" "" { target { float16 && float32 } } } +float16_t f16d = (float16_t) 1.0F32; +#endif +#ifdef __STDCPP_FLOAT64_T__ +float16_t f16e = 1.0F64; // { dg-warning "converting to 'std::float16_t' \\\{aka '_Float16'\\\} from '_Float64' with greater conversion rank" "" { target { float16 && float64 } } } +float16_t f16f = (float16_t) 1.0F64; +#endif +#ifdef __STDCPP_FLOAT128_T__ +float16_t f16g = 1.0F128; // { dg-warning "converting to 'std::float16_t' \\\{aka '_Float16'\\\} from '_Float128' with greater conversion rank" "" { target { float16 && float128 } } } +float16_t f16h = (float16_t) 1.0F128; +#endif +float16_t f16j = (float16_t) 1.0f; +float16_t f16l = (float16_t) 1.0; +float16_t f16n = (float16_t) 1.0L; +#ifdef __SIZEOF_FLOAT128__ +float16_t f16p = (float16_t) 1.0Q; +#endif +#endif +#ifdef __STDCPP_FLOAT32_T__ +#ifdef __STDCPP_FLOAT16_T__ +float32_t f32a = 1.0F16; +float32_t f32b = (float32_t) 1.0F16; +#endif +float32_t f32c = 1.0F32; +float32_t f32d = (float32_t) 1.0F32; +#ifdef __STDCPP_FLOAT64_T__ +float32_t f32e = 1.0F64; // { dg-warning "converting to 'std::float32_t' \\\{aka '_Float32'\\\} from '_Float64' with greater conversion rank" "" { target { float32 && float64 } } } +float32_t f32f = (float32_t) 1.0F64; +#endif +#ifdef __STDCPP_FLOAT128_T__ +float32_t f32g = 1.0F128; // { dg-warning "converting to 'std::float32_t' \\\{aka '_Float32'\\\} from '_Float128' with greater conversion rank" "" { target { float32 && float128 } } } +float32_t f32h = (float32_t) 1.0F128; +#endif +#if __FLT_MAX_EXP__ <= __FLT32_MAX_EXP__ && __FLT_MANT_DIG__ <= __FLT32_MANT_DIG__ +float32_t f32i = 1.0f; +#endif +float32_t f32j = (float32_t) 1.0f; +float32_t f32l = (float32_t) 1.0; +float32_t f32n = (float32_t) 1.0L; +#ifdef __SIZEOF_FLOAT128__ +float32_t f32p = (float32_t) 1.0Q; +#endif +#endif +#ifdef __STDCPP_FLOAT64_T__ +#ifdef __STDCPP_FLOAT16_T__ +float64_t f64a = 1.0F16; +float64_t f64b = (float64_t) 1.0F16; +#endif +#ifdef __STDCPP_FLOAT32_T__ +float64_t f64c = 1.0F32; +float64_t f64d = (float64_t) 1.0F32; +#endif +float64_t f64e = 1.0F64; +float64_t f64f = (float64_t) 1.0F64; +#ifdef __STDCPP_FLOAT128_T__ +float64_t f64g = 1.0F128; // { dg-warning "converting to 'std::float64_t' \\\{aka '_Float64'\\\} from '_Float128' with greater conversion rank" "" { target { float64 && float128 } } } +float64_t f64h = (float64_t) 1.0F128; +#endif +#if __FLT_MAX_EXP__ <= __FLT64_MAX_EXP__ && __FLT_MANT_DIG__ <= __FLT64_MANT_DIG__ +float64_t f64i = 1.0f; +#endif +float64_t f64j = (float64_t) 1.0f; +#if __DBL_MAX_EXP__ <= __FLT64_MAX_EXP__ && __DBL_MANT_DIG__ <= __FLT64_MANT_DIG__ +float64_t f64k = 1.0; +#endif +float64_t f64l = (float64_t) 1.0; +float64_t f64n = (float64_t) 1.0L; +#ifdef __SIZEOF_FLOAT128__ +float64_t f64p = (float64_t) 1.0Q; +#endif +#endif +#ifdef __STDCPP_FLOAT128_T__ +#ifdef __STDCPP_FLOAT16_T__ +float128_t f128a = 1.0F16; +float128_t f128b = (float128_t) 1.0F16; +#endif +#ifdef __STDCPP_FLOAT32_T__ +float128_t f128c = 1.0F32; +float128_t f128d = (float128_t) 1.0F32; +#endif +#ifdef __STDCPP_FLOAT64_T__ +float128_t f128e = 1.0F64; +float128_t f128f = (float128_t) 1.0F64; +#endif +float128_t f128g = 1.0F128; +float128_t f128h = (float128_t) 1.0F128; +#if __FLT_MAX_EXP__ <= __FLT128_MAX_EXP__ && __FLT_MANT_DIG__ <= __FLT128_MANT_DIG__ +float128_t f128i = 1.0f; +#endif +float128_t f128j = (float128_t) 1.0f; +#if __DBL_MAX_EXP__ <= __FLT128_MAX_EXP__ && __DBL_MANT_DIG__ <= __FLT128_MANT_DIG__ +float128_t f128k = 1.0; +#endif +float128_t f128l = (float128_t) 1.0; +#if __LDBL_MAX_EXP__ <= __FLT128_MAX_EXP__ && __LDBL_MANT_DIG__ <= __FLT128_MANT_DIG__ && __LDBL_MANT_DIG__ != 106 +float128_t f128m = 1.0L; +#endif +float128_t f128n = (float128_t) 1.0L; +#ifdef __SIZEOF_FLOAT128__ +float128_t f128o = 1.0Q; +float128_t f128p = (float128_t) 1.0Q; +#endif +#endif diff --git a/gcc/testsuite/g++.dg/cpp23/ext-floating3.C b/gcc/testsuite/g++.dg/cpp23/ext-floating3.C new file mode 100644 index 00000000000..ca9399fccd2 --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp23/ext-floating3.C @@ -0,0 +1,134 @@ +// P1467R9 - Extended floating-point types and standard names. +// Variant of ext-floating2.C test with x86 specific assumptions +// about float, double, long double and existence of __float128. +// And some further tests. +// { dg-do compile { target { c++23 && { i?86-*-linux* x86_64-*-linux* } } } } +// { dg-options "" } + +#include "ext-floating.h" + +#if !defined(__STDCPP_FLOAT32_T__) \ + || !defined(__STDCPP_FLOAT64_T__) || !defined(__STDCPP_FLOAT128_T__) \ + || __FLT_MAX_EXP__ != __FLT32_MAX_EXP__ || __FLT_MANT_DIG__ != __FLT32_MANT_DIG__ \ + || __DBL_MAX_EXP__ != __FLT64_MAX_EXP__ || __DBL_MANT_DIG__ != __FLT64_MANT_DIG__ \ + || __LDBL_MAX_EXP__ != __FLT128_MAX_EXP__ || __LDBL_MANT_DIG__ >= __FLT128_MANT_DIG__ \ + || !defined(__SIZEOF_FLOAT128__) +#error Unexpected set of floating point types +#endif + +using namespace std; + +#ifdef __STDCPP_FLOAT16_T__ +float16_t f16i = 1.0f; // { dg-warning "converting to 'std::float16_t' \\\{aka '_Float16'\\\} from 'float' with greater conversion rank" "" { target float16 } } +float16_t f16k = 1.0; // { dg-warning "converting to 'std::float16_t' \\\{aka '_Float16'\\\} from 'double' with greater conversion rank" "" { target float16 } } +float16_t f16m = 1.0L; // { dg-warning "converting to 'std::float16_t' \\\{aka '_Float16'\\\} from 'long double' with greater conversion rank" "" { target float16 } } +float16_t f16o = 1.0Q; // { dg-warning "converting to 'std::float16_t' \\\{aka '_Float16'\\\} from '__float128' with greater conversion rank" "" { target float16 } } +#endif +float32_t f32i = 1.0f; +float32_t f32k = 1.0; // { dg-warning "converting to 'std::float32_t' \\\{aka '_Float32'\\\} from 'double' with greater conversion rank" } +float32_t f32m = 1.0L; // { dg-warning "converting to 'std::float32_t' \\\{aka '_Float32'\\\} from 'long double' with greater conversion rank" } +float32_t f32o = 1.0Q; // { dg-warning "converting to 'std::float32_t' \\\{aka '_Float32'\\\} from '__float128' with greater conversion rank" } +float64_t f64i = 1.0f; +float64_t f64k = 1.0; +float64_t f64m = 1.0L; // { dg-warning "converting to 'std::float64_t' \\\{aka '_Float64'\\\} from 'long double' with greater conversion rank" } +float64_t f64o = 1.0Q; // { dg-warning "converting to 'std::float64_t' \\\{aka '_Float64'\\\} from '__float128' with greater conversion rank" } +float128_t f128i = 1.0f; +float128_t f128k = 1.0; +float128_t f128m = 1.0L; +float128_t f128o = 1.0Q; + +#ifdef __STDCPP_FLOAT16_T__ +constexpr float16_t f16x = 1.0F16; +#endif +constexpr float32_t f32x = 2.0F32; +constexpr float64_t f64x = 3.0F64; +constexpr float128_t f128x = 4.0F128; +constexpr float fx = 5.0f; +constexpr double dx = 6.0; +constexpr long double ldx = 7.0L; + +constexpr int foo (float32_t) { return 1; } +constexpr int foo (float64_t) { return 2; } +constexpr int bar (float) { return 3; } +constexpr int bar (double) { return 4; } +constexpr int bar (long double) { return 5; } +constexpr int baz (float32_t) { return 6; } +constexpr int baz (float64_t) { return 7; } +constexpr int baz (float128_t) { return 8; } +constexpr int qux (float64_t) { return 9; } +constexpr int qux (float32_t) { return 10; } +constexpr int fred (long double) { return 11; } +constexpr int fred (double) { return 12; } +constexpr int fred (float) { return 13; } +constexpr int thud (float128_t) { return 14; } +constexpr int thud (float64_t) { return 15; } +constexpr int thud (float32_t) { return 16; } +struct S { + constexpr operator float32_t () const { return 1.0f32; } + constexpr operator float64_t () const { return 2.0f64; } +}; +struct T { + constexpr operator float64_t () const { return 3.0f64; } + constexpr operator float32_t () const { return 4.0f32; } +}; + +void +test (S s, T t) +{ +#ifdef __STDCPP_FLOAT16_T__ + foo (float16_t (1.0)); // { dg-error "call of overloaded 'foo\\\(std::float16_t\\\)' is ambiguous" "" { target float16 } } +#endif + static_assert (foo (float (2.0)) == 1); + static_assert (foo (double (3.0)) == 2); + constexpr double x (s); + static_assert (x == 2.0); +#ifdef __STDCPP_FLOAT16_T__ + bar (f16x); // { dg-error "call of overloaded 'bar\\\(const std::float16_t\\\&\\\)' is ambiguous" "" { target float16 } } +#endif + static_assert (bar (f32x) == 3); + static_assert (bar (f64x) == 4); + bar (f128x); // { dg-error "no matching function for call to 'bar\\\(const std::float128_t\\\&\\\)'" } + // { dg-warning "converting to 'float' from 'const std::float128_t' \\\{aka 'const _Float128'\\\} with greater conversion rank" "" { target *-*-* } .-1 } + // { dg-warning "converting to 'double' from 'const std::float128_t' \\\{aka 'const _Float128'\\\} with greater conversion rank" "" { target *-*-* } .-2 } + // { dg-warning "converting to 'long double' from 'const std::float128_t' \\\{aka 'const _Float128'\\\} with greater conversion rank" "" { target *-*-* } .-3 } + static_assert (bar (fx) == 3); + static_assert (bar (dx) == 4); + static_assert (bar (ldx) == 5); +#ifdef __STDCPP_FLOAT16_T__ + baz (f16x); // { dg-error "call of overloaded 'baz\\\(const std::float16_t\\\&\\\)' is ambiguous" "" { target float16 } } +#endif + static_assert (baz (f32x) == 6); + static_assert (baz (f64x) == 7); + static_assert (baz (f128x) == 8); + static_assert (baz (fx) == 6); + static_assert (baz (dx) == 7); + static_assert (baz (ldx) == 8); +#ifdef __STDCPP_FLOAT16_T__ + qux (float16_t (1.0)); // { dg-error "call of overloaded 'qux\\\(std::float16_t\\\)' is ambiguous" "" { target float16 } } +#endif + static_assert (qux (float (2.0)) == 10); + static_assert (qux (double (3.0)) == 9); + constexpr double y (t); + static_assert (y == 3.0); +#ifdef __STDCPP_FLOAT16_T__ + fred (f16x); // { dg-error "call of overloaded 'fred\\\(const std::float16_t\\\&\\\)' is ambiguous" "" { target float16 } } +#endif + static_assert (fred (f32x) == 13); + static_assert (fred (f64x) == 12); + fred (f128x); // { dg-error "no matching function for call to 'fred\\\(const std::float128_t\\\&\\\)'" } + // { dg-warning "converting to 'float' from 'const std::float128_t' \\\{aka 'const _Float128'\\\} with greater conversion rank" "" { target *-*-* } .-1 } + // { dg-warning "converting to 'double' from 'const std::float128_t' \\\{aka 'const _Float128'\\\} with greater conversion rank" "" { target *-*-* } .-2 } + // { dg-warning "converting to 'long double' from 'const std::float128_t' \\\{aka 'const _Float128'\\\} with greater conversion rank" "" { target *-*-* } .-3 } + static_assert (fred (fx) == 13); + static_assert (fred (dx) == 12); + static_assert (fred (ldx) == 11); +#ifdef __STDCPP_FLOAT16_T__ + thud (f16x); // { dg-error "call of overloaded 'thud\\\(const std::float16_t\\\&\\\)' is ambiguous" "" { target float16 } } +#endif + static_assert (thud (f32x) == 16); + static_assert (thud (f64x) == 15); + static_assert (thud (f128x) == 14); + static_assert (thud (fx) == 16); + static_assert (thud (dx) == 15); + static_assert (thud (ldx) == 14); +} diff --git a/gcc/testsuite/g++.dg/cpp23/ext-floating4.C b/gcc/testsuite/g++.dg/cpp23/ext-floating4.C new file mode 100644 index 00000000000..1bac1051f44 --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp23/ext-floating4.C @@ -0,0 +1,126 @@ +// P1467R9 - Extended floating-point types and standard names. +// Variant of ext-floating3.C test with different specific assumptions +// about float, double, long double. +// float, double and long double are assumed to be IEEE 754 single, double +// and quad. +// { dg-do compile { target { c++23 && { aarch64*-*-* powerpc64le*-*-linux* riscv*-*-* s390*-*-* sparc*-*-linux* } } } } +// { dg-options "" } +// { dg-additional-options "-mlong-double-128" { target s390*-*-* sparc*-*-linux* } } +// { dg-additional-options "-mvsx -mfloat128 -mlong-double-128 -mabi=ieeelongdouble -Wno-psabi" { target powerpc64le*-*-linux* } } + +#include "ext-floating.h" + +#if !defined(__STDCPP_FLOAT32_T__) \ + || !defined(__STDCPP_FLOAT64_T__) || !defined(__STDCPP_FLOAT128_T__) \ + || __FLT_MAX_EXP__ != __FLT32_MAX_EXP__ || __FLT_MANT_DIG__ != __FLT32_MANT_DIG__ \ + || __DBL_MAX_EXP__ != __FLT64_MAX_EXP__ || __DBL_MANT_DIG__ != __FLT64_MANT_DIG__ \ + || __LDBL_MAX_EXP__ != __FLT128_MAX_EXP__ || __LDBL_MANT_DIG__ != __FLT128_MANT_DIG__ +#error Unexpected set of floating point types +#endif + +using namespace std; + +#ifdef __STDCPP_FLOAT16_T__ +float16_t f16i = 1.0f; // { dg-warning "converting to 'std::float16_t' \\\{aka '_Float16'\\\} from 'float' with greater conversion rank" "" { target float16 } } +float16_t f16k = 1.0; // { dg-warning "converting to 'std::float16_t' \\\{aka '_Float16'\\\} from 'double' with greater conversion rank" "" { target float16 } } +float16_t f16m = 1.0L; // { dg-warning "converting to 'std::float16_t' \\\{aka '_Float16'\\\} from 'long double' with greater conversion rank" "" { target float16 } } +#endif +float32_t f32i = 1.0f; +float32_t f32k = 1.0; // { dg-warning "converting to 'std::float32_t' \\\{aka '_Float32'\\\} from 'double' with greater conversion rank" } +float32_t f32m = 1.0L; // { dg-warning "converting to 'std::float32_t' \\\{aka '_Float32'\\\} from 'long double' with greater conversion rank" } +float64_t f64i = 1.0f; +float64_t f64k = 1.0; +float64_t f64m = 1.0L; // { dg-warning "converting to 'std::float64_t' \\\{aka '_Float64'\\\} from 'long double' with greater conversion rank" } +float128_t f128i = 1.0f; +float128_t f128k = 1.0; +float128_t f128m = 1.0L; + +#ifdef __STDCPP_FLOAT16_T__ +constexpr float16_t f16x = 1.0F16; +#endif +constexpr float32_t f32x = 2.0F32; +constexpr float64_t f64x = 3.0F64; +constexpr float128_t f128x = 4.0F128; +constexpr float fx = 5.0f; +constexpr double dx = 6.0; +constexpr long double ldx = 7.0L; + +constexpr int foo (float32_t) { return 1; } +constexpr int foo (float64_t) { return 2; } +constexpr int bar (float) { return 3; } +constexpr int bar (double) { return 4; } +constexpr int bar (long double) { return 5; } +constexpr int baz (float32_t) { return 6; } +constexpr int baz (float64_t) { return 7; } +constexpr int baz (float128_t) { return 8; } +constexpr int qux (float64_t) { return 9; } +constexpr int qux (float32_t) { return 10; } +constexpr int fred (long double) { return 11; } +constexpr int fred (double) { return 12; } +constexpr int fred (float) { return 13; } +constexpr int thud (float128_t) { return 14; } +constexpr int thud (float64_t) { return 15; } +constexpr int thud (float32_t) { return 16; } +struct S { + constexpr operator float32_t () const { return 1.0f32; } + constexpr operator float64_t () const { return 2.0f64; } +}; +struct T { + constexpr operator float64_t () const { return 3.0f64; } + constexpr operator float32_t () const { return 4.0f32; } +}; + +void +test (S s, T t) +{ +#ifdef __STDCPP_FLOAT16_T__ + foo (float16_t (1.0)); // { dg-error "call of overloaded 'foo\\\(std::float16_t\\\)' is ambiguous" "" { target float16 } } +#endif + static_assert (foo (float (2.0)) == 1); + static_assert (foo (double (3.0)) == 2); + constexpr double x (s); + static_assert (x == 2.0); +#ifdef __STDCPP_FLOAT16_T__ + bar (f16x); // { dg-error "call of overloaded 'bar\\\(const std::float16_t\\\&\\\)' is ambiguous" "" { target float16 } } +#endif + static_assert (bar (f32x) == 3); + static_assert (bar (f64x) == 4); + static_assert (bar (f128x) == 5); + static_assert (bar (fx) == 3); + static_assert (bar (dx) == 4); + static_assert (bar (ldx) == 5); +#ifdef __STDCPP_FLOAT16_T__ + baz (f16x); // { dg-error "call of overloaded 'baz\\\(const std::float16_t\\\&\\\)' is ambiguous" "" { target float16 } } +#endif + static_assert (baz (f32x) == 6); + static_assert (baz (f64x) == 7); + static_assert (baz (f128x) == 8); + static_assert (baz (fx) == 6); + static_assert (baz (dx) == 7); + static_assert (baz (ldx) == 8); +#ifdef __STDCPP_FLOAT16_T__ + qux (float16_t (1.0)); // { dg-error "call of overloaded 'qux\\\(std::float16_t\\\)' is ambiguous" "" { target float16 } } +#endif + static_assert (qux (float (2.0)) == 10); + static_assert (qux (double (3.0)) == 9); + constexpr double y (t); + static_assert (y == 3.0); +#ifdef __STDCPP_FLOAT16_T__ + fred (f16x); // { dg-error "call of overloaded 'fred\\\(const std::float16_t\\\&\\\)' is ambiguous" "" { target float16 } } +#endif + static_assert (fred (f32x) == 13); + static_assert (fred (f64x) == 12); + static_assert (fred (f128x) == 11); + static_assert (fred (fx) == 13); + static_assert (fred (dx) == 12); + static_assert (fred (ldx) == 11); +#ifdef __STDCPP_FLOAT16_T__ + thud (f16x); // { dg-error "call of overloaded 'thud\\\(const std::float16_t\\\&\\\)' is ambiguous" "" { target float16 } } +#endif + static_assert (thud (f32x) == 16); + static_assert (thud (f64x) == 15); + static_assert (thud (f128x) == 14); + static_assert (thud (fx) == 16); + static_assert (thud (dx) == 15); + static_assert (thud (ldx) == 14); +} diff --git a/gcc/testsuite/g++.dg/cpp23/ext-floating5.C b/gcc/testsuite/g++.dg/cpp23/ext-floating5.C new file mode 100644 index 00000000000..7c8bf6a946b --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp23/ext-floating5.C @@ -0,0 +1,13 @@ +// P1467R9 - Extended floating-point types and standard names. +// IBM extended long double and _Float128 should have unordered conversion +// ranks as IBM extended long double has variable precision from 53 bits +// for denormals to more than 2150 bits for certain numbers. +// { dg-do compile { target { c++23 && { powerpc*-*-linux* } } } } +// { dg-require-effective-target ppc_float128_sw } +// { dg-options "-mvsx -mfloat128 -mlong-double-128 -mabi=ibmlongdouble" } + +auto a = 1.0F128 + 1.0L; // { dg-error "invalid operands to binary \\\+ \\\(have '_Float128' and 'long double'\\\)" } +auto b = 1.0L + 1.0F128; // { dg-error "invalid operands to binary \\\+ \\\(have 'long double' and '_Float128'\\\)" } +bool c; +auto d = c ? 1.0F128 : 1.0L; // { dg-error "operands to '\\\?:' of types '_Float128' and 'long double' have unordered conversion rank" } +auto e = c ? 1.0L : 1.0F128; // { dg-error "operands to '\\\?:' of types 'long double' and '_Float128' have unordered conversion rank" } diff --git a/gcc/testsuite/g++.dg/cpp23/ext-floating6.C b/gcc/testsuite/g++.dg/cpp23/ext-floating6.C new file mode 100644 index 00000000000..70272a1b3c1 --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp23/ext-floating6.C @@ -0,0 +1,30 @@ +// P1467R9 - Extended floating-point types and standard names. +// { dg-do compile { target c++23 } } +// { dg-options "" } + +#include "ext-floating.h" + +#ifdef __STRICT_ANSI__ +#undef __SIZEOF_FLOAT128__ +#endif + +using namespace std; + +float foo (float x, float y, float z) { return x * y + z; } +double foo (double x, double y, double z) { return x * y + z; } +long double foo (long double x, long double y, long double z) { return x * y + z; } +#ifdef __STDCPP_FLOAT16_T__ +float16_t foo (float16_t x, float16_t y, float16_t z) { return x * y + z; } +#endif +#ifdef __STDCPP_FLOAT32_T__ +float32_t foo (float32_t x, float32_t y, float32_t z) { return x * y + z; } +#endif +#ifdef __STDCPP_FLOAT64_T__ +float64_t foo (float64_t x, float64_t y, float64_t z) { return x * y + z; } +#endif +#ifdef __STDCPP_FLOAT128_T__ +float128_t foo (float128_t x, float128_t y, float128_t z) { return x * y + z; } +#endif +#ifdef __STDCPP_BFLOAT16_T__ +bfloat16_t foo (bfloat16_t x, bfloat16_t y, bfloat16_t z) { return x * y + z; } +#endif diff --git a/gcc/testsuite/g++.dg/cpp23/ext-floating7.C b/gcc/testsuite/g++.dg/cpp23/ext-floating7.C new file mode 100644 index 00000000000..5c30a5979b6 --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp23/ext-floating7.C @@ -0,0 +1,119 @@ +// P1467R9 - Extended floating-point types and standard names. +// { dg-do run { target { c++23 && float16_runtime } } } +// { dg-options "" } +// { dg-add-options float16 } + +#ifndef WIDTH +#ifndef __STDCPP_FLOAT16_T__ +#error Unexpected +#endif +#define WIDTH 16 +#endif + +#include <stdarg.h> +#include "ext-floating.h" + +#define CONCATX(X, Y) X ## Y +#define CONCAT(X, Y) CONCATX (X, Y) +#define CONCAT3(X, Y, Z) CONCAT (CONCAT (X, Y), Z) +#define TYPE CONCAT (_Float, WIDTH) +#define CST(C) CONCAT3 (C, f, WIDTH) +#define CSTU(C) CONCAT3 (C, F, WIDTH) + +extern "C" void abort (); + +volatile TYPE a = CST (1.0), b = CSTU (2.5), c = -CST (2.5); +volatile TYPE a2 = CST (1.0), z = CST (0.0), nz = -CST (0.0); + +// These types are not subject to default argument promotions. + +TYPE +vafn (TYPE arg1, ...) +{ + va_list ap; + TYPE ret; + va_start (ap, arg1); + ret = arg1 + va_arg (ap, TYPE); + va_end (ap); + return ret; +} + +TYPE +fn (TYPE arg) +{ + return arg / 4; +} + +int +main (void) +{ + volatile TYPE r; + r = -b; + if (r != c) + abort (); + r = a + b; + if (r != CST (3.5)) + abort (); + r = a - b; + if (r != -CST (1.5)) + abort (); + r = 2 * c; + if (r != -5) + abort (); + r = b * c; + if (r != -CST (6.25)) + abort (); + r = b / (a + a); + if (r != CST (1.25)) + abort (); + r = c * 3; + if (r != -CST (7.5)) + abort (); + volatile int i = r; + if (i != -7) + abort (); + r = vafn (a, c); + if (r != -CST (1.5)) + abort (); + r = fn (a); + if (r != CST (0.25)) + abort (); + if ((a < b) != 1) + abort (); + if ((b < a) != 0) + abort (); + if ((a < a2) != 0) + abort (); + if ((nz < z) != 0) + abort (); + if ((a <= b) != 1) + abort (); + if ((b <= a) != 0) + abort (); + if ((a <= a2) != 1) + abort (); + if ((nz <= z) != 1) + abort (); + if ((a > b) != 0) + abort (); + if ((b > a) != 1) + abort (); + if ((a > a2) != 0) + abort (); + if ((nz > z) != 0) + abort (); + if ((a >= b) != 0) + abort (); + if ((b >= a) != 1) + abort (); + if ((a >= a2) != 1) + abort (); + if ((nz >= z) != 1) + abort (); + i = (nz == z); + if (i != 1) + abort (); + i = (a == b); + if (i != 0) + abort (); +} diff --git a/gcc/testsuite/g++.dg/cpp23/ext-floating8.C b/gcc/testsuite/g++.dg/cpp23/ext-floating8.C new file mode 100644 index 00000000000..afb74a3abad --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp23/ext-floating8.C @@ -0,0 +1,13 @@ +// P1467R9 - Extended floating-point types and standard names. +// { dg-do run { target { c++23 && float32_runtime } } } +// { dg-options "" } +// { dg-add-options float32 } + +#ifndef WIDTH +#ifndef __STDCPP_FLOAT32_T__ +#error Unexpected +#endif +#define WIDTH 32 +#endif + +#include "ext-floating7.C" diff --git a/gcc/testsuite/g++.dg/cpp23/ext-floating9.C b/gcc/testsuite/g++.dg/cpp23/ext-floating9.C new file mode 100644 index 00000000000..f0118da30cc --- /dev/null +++ b/gcc/testsuite/g++.dg/cpp23/ext-floating9.C @@ -0,0 +1,13 @@ +// P1467R9 - Extended floating-point types and standard names. +// { dg-do run { target { c++23 && float64_runtime } } } +// { dg-options "" } +// { dg-add-options float64 } + +#ifndef WIDTH +#ifndef __STDCPP_FLOAT64_T__ +#error Unexpected +#endif +#define WIDTH 64 +#endif + +#include "ext-floating7.C" diff --git a/gcc/testsuite/g++.target/i386/float16-1.C b/gcc/testsuite/g++.target/i386/float16-1.C index 95d1ac27c4f..f96b932b698 100644 --- a/gcc/testsuite/g++.target/i386/float16-1.C +++ b/gcc/testsuite/g++.target/i386/float16-1.C @@ -1,8 +1,8 @@ /* { dg-do compile } */ /* { dg-options "-O2 -mno-sse2" } */ -_Float16/* { dg-error "does not name a type" } */ +_Float16 /* { dg-error "expected unqualified-id before '_Float16'" } */ foo (_Float16 x) { return x; -} +} /* { dg-error "'_Float16' is not supported on this target" } */ diff --git a/gcc/tree-core.h b/gcc/tree-core.h index 80c2bcb333d..55807fe15c6 100644 --- a/gcc/tree-core.h +++ b/gcc/tree-core.h @@ -690,6 +690,10 @@ enum tree_index { - TI_FLOATN_NX_TYPE_FIRST \ + 1) + /* Type used by certain backends for __float128, which in C++ should be + distinct type from _Float128 for backwards compatibility reasons. */ + TI_FLOAT128T_TYPE, + /* Put the complex types after their component types, so that in (sequential) tree streaming we can assert that their component types have already been handled (see tree-streamer.cc:record_common_node). */ diff --git a/gcc/tree.cc b/gcc/tree.cc index 4165cbd7c3b..756c14ff0cc 100644 --- a/gcc/tree.cc +++ b/gcc/tree.cc @@ -9461,6 +9461,7 @@ build_common_tree_nodes (bool signed_char) layout_type (FLOATN_NX_TYPE_NODE (i)); SET_TYPE_MODE (FLOATN_NX_TYPE_NODE (i), mode); } + float128t_type_node = float128_type_node; float_ptr_type_node = build_pointer_type (float_type_node); double_ptr_type_node = build_pointer_type (double_type_node); diff --git a/gcc/tree.h b/gcc/tree.h index 266e24a0563..95285e45fb7 100644 --- a/gcc/tree.h +++ b/gcc/tree.h @@ -4302,6 +4302,10 @@ tree_strip_any_location_wrapper (tree exp) #define float64x_type_node global_trees[TI_FLOAT64X_TYPE] #define float128x_type_node global_trees[TI_FLOAT128X_TYPE] +/* Type used by certain backends for __float128, which in C++ should be + distinct type from _Float128 for backwards compatibility reasons. */ +#define float128t_type_node global_trees[TI_FLOAT128T_TYPE] + #define float_ptr_type_node global_trees[TI_FLOAT_PTR_TYPE] #define double_ptr_type_node global_trees[TI_DOUBLE_PTR_TYPE] #define long_double_ptr_type_node global_trees[TI_LONG_DOUBLE_PTR_TYPE] diff --git a/include/demangle.h b/include/demangle.h index e2aa4a971ff..81d4353a86f 100644 --- a/include/demangle.h +++ b/include/demangle.h @@ -457,6 +457,11 @@ enum demangle_component_type DEMANGLE_COMPONENT_MODULE_PARTITION, DEMANGLE_COMPONENT_MODULE_ENTITY, DEMANGLE_COMPONENT_MODULE_INIT, + + /* A builtin type with argument. This holds the builtin type + information. */ + DEMANGLE_COMPONENT_EXTENDED_BUILTIN_TYPE + }; /* Types which are only used internally. */ @@ -543,6 +548,15 @@ struct demangle_component const struct demangle_builtin_type_info *type; } s_builtin; + /* For DEMANGLE_COMPONENT_EXTENDED_BUILTIN_TYPE. */ + struct + { + /* Builtin type. */ + const struct demangle_builtin_type_info *type; + short arg; + char suffix; + } s_extended_builtin; + /* For DEMANGLE_COMPONENT_SUB_STD. */ struct { diff --git a/libcpp/expr.cc b/libcpp/expr.cc index 4bb02c418d0..1d680643ad8 100644 --- a/libcpp/expr.cc +++ b/libcpp/expr.cc @@ -215,7 +215,6 @@ interpret_float_suffix (cpp_reader *pfile, const uchar *s, size_t len) case 'f': case 'F': f++; if (len > 0 - && !CPP_OPTION (pfile, cplusplus) && s[1] >= '1' && s[1] <= '9' && fn_bits == 0) diff --git a/libiberty/cp-demangle.c b/libiberty/cp-demangle.c index d06d80d1fee..7ff225ec1aa 100644 --- a/libiberty/cp-demangle.c +++ b/libiberty/cp-demangle.c @@ -648,6 +648,13 @@ d_dump (struct demangle_component *dc, int indent) case DEMANGLE_COMPONENT_BUILTIN_TYPE: printf ("builtin type %s\n", dc->u.s_builtin.type->name); return; + case DEMANGLE_COMPONENT_EXTENDED_BUILTIN_TYPE: + { + char suffix[2] = { dc->u.s_extended_builtin.type->suffix, 0 }; + printf ("builtin type %s%d%s\n", dc->u.s_extended_builtin.type->name, + dc->u.s_extended_builtin.type->arg, suffix); + } + return; case DEMANGLE_COMPONENT_OPERATOR: printf ("operator %s\n", dc->u.s_operator.op->name); return; @@ -771,11 +778,6 @@ d_dump (struct demangle_component *dc, int indent) case DEMANGLE_COMPONENT_PTRMEM_TYPE: printf ("pointer to member type\n"); break; - case DEMANGLE_COMPONENT_FIXED_TYPE: - printf ("fixed-point type, accum? %d, sat? %d\n", - dc->u.s_fixed.accum, dc->u.s_fixed.sat); - d_dump (dc->u.s_fixed.length, indent + 2); - break; case DEMANGLE_COMPONENT_ARGLIST: printf ("argument list\n"); break; @@ -1109,6 +1111,28 @@ d_make_builtin_type (struct d_info *di, return p; } +/* Add a new extended builtin type component. */ + +static struct demangle_component * +d_make_extended_builtin_type (struct d_info *di, + const struct demangle_builtin_type_info *type, + short arg, char suffix) +{ + struct demangle_component *p; + + if (type == NULL) + return NULL; + p = d_make_empty (di); + if (p != NULL) + { + p->type = DEMANGLE_COMPONENT_EXTENDED_BUILTIN_TYPE; + p->u.s_extended_builtin.type = type; + p->u.s_extended_builtin.arg = arg; + p->u.s_extended_builtin.suffix = suffix; + } + return p; +} + /* Add a new operator component. */ static struct demangle_component * @@ -2464,6 +2488,7 @@ cplus_demangle_builtin_types[D_BUILTIN_TYPE_COUNT] = /* 32 */ { NL ("char32_t"), NL ("char32_t"), D_PRINT_DEFAULT }, /* 33 */ { NL ("decltype(nullptr)"), NL ("decltype(nullptr)"), D_PRINT_DEFAULT }, + /* 34 */ { NL ("_Float"), NL ("_Float"), D_PRINT_FLOAT }, }; CP_STATIC_IF_GLIBCPP_V3 @@ -2727,19 +2752,26 @@ cplus_demangle_type (struct d_info *di) break; case 'F': - /* Fixed point types. DF<int bits><length><fract bits><sat> */ - ret = d_make_empty (di); - ret->type = DEMANGLE_COMPONENT_FIXED_TYPE; - if ((ret->u.s_fixed.accum = IS_DIGIT (d_peek_char (di)))) - /* For demangling we don't care about the bits. */ - d_number (di); - ret->u.s_fixed.length = cplus_demangle_type (di); - if (ret->u.s_fixed.length == NULL) - return NULL; - d_number (di); - peek = d_next_char (di); - ret->u.s_fixed.sat = (peek == 's'); - break; + /* DF<number>_ - _Float<number>. + DF<number>x - _Float<number>x. */ + { + int arg = d_number (di); + char buf[12]; + char suffix = 0; + if (d_peek_char (di) == 'x') + suffix = 'x'; + if (!suffix && d_peek_char (di) != '_') + return NULL; + ret + = d_make_extended_builtin_type (di, + &cplus_demangle_builtin_types[34], + arg, suffix); + d_advance (di, 1); + sprintf (buf, "%d", arg); + di->expansion += ret->u.s_extended_builtin.type->len + + strlen (buf) + (suffix != 0); + break; + } case 'v': ret = d_vector_type (di); @@ -4202,6 +4234,7 @@ d_count_templates_scopes (struct d_print_info *dpi, case DEMANGLE_COMPONENT_FUNCTION_PARAM: case DEMANGLE_COMPONENT_SUB_STD: case DEMANGLE_COMPONENT_BUILTIN_TYPE: + case DEMANGLE_COMPONENT_EXTENDED_BUILTIN_TYPE: case DEMANGLE_COMPONENT_OPERATOR: case DEMANGLE_COMPONENT_CHARACTER: case DEMANGLE_COMPONENT_NUMBER: @@ -4210,6 +4243,7 @@ d_count_templates_scopes (struct d_print_info *dpi, case DEMANGLE_COMPONENT_MODULE_NAME: case DEMANGLE_COMPONENT_MODULE_PARTITION: case DEMANGLE_COMPONENT_MODULE_INIT: + case DEMANGLE_COMPONENT_FIXED_TYPE: break; case DEMANGLE_COMPONENT_TEMPLATE: @@ -4309,10 +4343,6 @@ d_count_templates_scopes (struct d_print_info *dpi, d_count_templates_scopes (dpi, dc->u.s_extended_operator.name); break; - case DEMANGLE_COMPONENT_FIXED_TYPE: - d_count_templates_scopes (dpi, dc->u.s_fixed.length); - break; - case DEMANGLE_COMPONENT_GLOBAL_CONSTRUCTORS: case DEMANGLE_COMPONENT_GLOBAL_DESTRUCTORS: case DEMANGLE_COMPONENT_MODULE_ENTITY: @@ -4580,11 +4610,11 @@ d_find_pack (struct d_print_info *dpi, case DEMANGLE_COMPONENT_TAGGED_NAME: case DEMANGLE_COMPONENT_OPERATOR: case DEMANGLE_COMPONENT_BUILTIN_TYPE: + case DEMANGLE_COMPONENT_EXTENDED_BUILTIN_TYPE: case DEMANGLE_COMPONENT_SUB_STD: case DEMANGLE_COMPONENT_CHARACTER: case DEMANGLE_COMPONENT_FUNCTION_PARAM: case DEMANGLE_COMPONENT_UNNAMED_TYPE: - case DEMANGLE_COMPONENT_FIXED_TYPE: case DEMANGLE_COMPONENT_DEFAULT_ARG: case DEMANGLE_COMPONENT_NUMBER: return NULL; @@ -5387,6 +5417,14 @@ d_print_comp_inner (struct d_print_info *dpi, int options, dc->u.s_builtin.type->java_len); return; + case DEMANGLE_COMPONENT_EXTENDED_BUILTIN_TYPE: + d_append_buffer (dpi, dc->u.s_extended_builtin.type->name, + dc->u.s_extended_builtin.type->len); + d_append_num (dpi, dc->u.s_extended_builtin.arg); + if (dc->u.s_extended_builtin.suffix) + d_append_buffer (dpi, &dc->u.s_extended_builtin.suffix, 1); + return; + case DEMANGLE_COMPONENT_VENDOR_TYPE: d_print_comp (dpi, options, d_left (dc)); return; @@ -5525,22 +5563,6 @@ d_print_comp_inner (struct d_print_info *dpi, int options, return; } - case DEMANGLE_COMPONENT_FIXED_TYPE: - if (dc->u.s_fixed.sat) - d_append_string (dpi, "_Sat "); - /* Don't print "int _Accum". */ - if (dc->u.s_fixed.length->u.s_builtin.type - != &cplus_demangle_builtin_types['i'-'a']) - { - d_print_comp (dpi, options, dc->u.s_fixed.length); - d_append_char (dpi, ' '); - } - if (dc->u.s_fixed.accum) - d_append_string (dpi, "_Accum"); - else - d_append_string (dpi, "_Fract"); - return; - case DEMANGLE_COMPONENT_ARGLIST: case DEMANGLE_COMPONENT_TEMPLATE_ARGLIST: if (d_left (dc) != NULL) diff --git a/libiberty/cp-demangle.h b/libiberty/cp-demangle.h index c6445036d67..c5d046b3f01 100644 --- a/libiberty/cp-demangle.h +++ b/libiberty/cp-demangle.h @@ -180,7 +180,7 @@ d_advance (struct d_info *di, int i) extern const struct demangle_operator_info cplus_demangle_operators[]; #endif -#define D_BUILTIN_TYPE_COUNT (34) +#define D_BUILTIN_TYPE_COUNT (35) CP_STATIC_IF_GLIBCPP_V3 const struct demangle_builtin_type_info diff --git a/libiberty/testsuite/demangle-expected b/libiberty/testsuite/demangle-expected index 351af349219..8fad6893ae7 100644 --- a/libiberty/testsuite/demangle-expected +++ b/libiberty/testsuite/demangle-expected @@ -1242,8 +1242,12 @@ _ZNSt9_Any_data9_M_accessIPZ4postISt8functionIFvvEEEvOT_EUlvE_EERS5_v post<std::function<void ()> >(std::function<void ()>&&)::{lambda()#1}*& std::_Any_data::_M_access<post<std::function<void ()> >(post<std::function<void ()> >(std::function<void ()>&&)::{lambda()#1}*&&)::{lambda()#1}*>() # --format=auto --no-params -_Z3xxxDFyuVb -xxx(unsigned long long _Fract, bool volatile) +_Z3xxxDF16_DF32_DF64_DF128_CDF16_Vb +xxx(_Float16, _Float32, _Float64, _Float128, _Float16 _Complex, bool volatile) +xxx +--format=auto --no-params +_Z3xxxDF32xDF64xDF128xCDF32xVb +xxx(_Float32x, _Float64x, _Float128x, _Float32x _Complex, bool volatile) xxx # https://sourceware.org/bugzilla/show_bug.cgi?id=16817 --format=auto --no-params |