| 1 | //===-- Types support -------------------------------------------*- C++ -*-===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | // Types detection and support. |
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| 9 | |
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| 10 | #ifndef LLVM_LIBC_SRC___SUPPORT_MACROS_PROPERTIES_TYPES_H |
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| 11 | #define LLVM_LIBC_SRC___SUPPORT_MACROS_PROPERTIES_TYPES_H |
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| 12 | |
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| 13 | #include "include/llvm-libc-macros/float-macros.h" // LDBL_MANT_DIG |
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| 14 | #include "include/llvm-libc-types/float128.h" // float128 |
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| 15 | #include "src/__support/macros/properties/architectures.h" |
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| 16 | #include "src/__support/macros/properties/compiler.h" |
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| 17 | #include "src/__support/macros/properties/cpu_features.h" |
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| 18 | #include "src/__support/macros/properties/os.h" |
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| 19 | |
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| 20 | #include <stdint.h> // UINT64_MAX, __SIZEOF_INT128__ |
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| 21 | |
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| 22 | // 'long double' properties. |
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| 23 | #if (LDBL_MANT_DIG == 53) |
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| 24 | #define LIBC_TYPES_LONG_DOUBLE_IS_FLOAT64 |
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| 25 | #elif (LDBL_MANT_DIG == 64) |
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| 26 | #define LIBC_TYPES_LONG_DOUBLE_IS_X86_FLOAT80 |
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| 27 | #elif (LDBL_MANT_DIG == 113) |
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| 28 | #define LIBC_TYPES_LONG_DOUBLE_IS_FLOAT128 |
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| 29 | #endif |
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| 30 | |
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| 31 | // int64 / uint64 support |
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| 32 | #if defined(UINT64_MAX) |
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| 33 | #define LIBC_TYPES_HAS_INT64 |
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| 34 | #endif // UINT64_MAX |
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| 35 | |
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| 36 | // int128 / uint128 support |
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| 37 | #if defined(__SIZEOF_INT128__) |
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| 38 | #define LIBC_TYPES_HAS_INT128 |
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| 39 | #endif // defined(__SIZEOF_INT128__) |
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| 40 | |
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| 41 | // -- float16 support --------------------------------------------------------- |
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| 42 | // TODO: move this logic to "llvm-libc-types/float16.h" |
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| 43 | #if defined(LIBC_TARGET_ARCH_IS_X86_64) && defined(LIBC_TARGET_CPU_HAS_SSE2) |
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| 44 | #if (defined(LIBC_COMPILER_CLANG_VER) && (LIBC_COMPILER_CLANG_VER >= 1500)) || \ |
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| 45 | (defined(LIBC_COMPILER_GCC_VER) && (LIBC_COMPILER_GCC_VER >= 1201)) |
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| 46 | #define LIBC_TYPES_HAS_FLOAT16 |
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| 47 | using float16 = _Float16; |
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| 48 | #endif |
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| 49 | #endif |
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| 50 | #if defined(LIBC_TARGET_ARCH_IS_AARCH64) |
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| 51 | #if (defined(LIBC_COMPILER_CLANG_VER) && (LIBC_COMPILER_CLANG_VER >= 900)) || \ |
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| 52 | (defined(LIBC_COMPILER_GCC_VER) && (LIBC_COMPILER_GCC_VER >= 1301)) |
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| 53 | #define LIBC_TYPES_HAS_FLOAT16 |
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| 54 | using float16 = _Float16; |
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| 55 | #endif |
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| 56 | #endif |
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| 57 | #if defined(LIBC_TARGET_ARCH_IS_ANY_RISCV) |
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| 58 | #if (defined(LIBC_COMPILER_CLANG_VER) && (LIBC_COMPILER_CLANG_VER >= 1300)) || \ |
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| 59 | (defined(LIBC_COMPILER_GCC_VER) && (LIBC_COMPILER_GCC_VER >= 1301)) |
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| 60 | #define LIBC_TYPES_HAS_FLOAT16 |
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| 61 | using float16 = _Float16; |
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| 62 | #endif |
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| 63 | #endif |
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| 64 | |
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| 65 | // -- float128 support -------------------------------------------------------- |
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| 66 | // LIBC_TYPES_HAS_FLOAT128 and 'float128' type are provided by |
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| 67 | // "include/llvm-libc-types/float128.h" |
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| 68 | |
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| 69 | #endif // LLVM_LIBC_SRC___SUPPORT_MACROS_PROPERTIES_TYPES_H |
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| 70 | |
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