| 1 | //===-- Implementation of fabsf16 function --------------------------------===// |
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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 | |
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| 9 | #include "src/math/fabsf16.h" |
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| 10 | #include "src/__support/FPUtil/BasicOperations.h" |
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| 11 | #include "src/__support/common.h" |
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| 12 | #include "src/__support/macros/config.h" |
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| 13 | #include "src/__support/macros/properties/architectures.h" |
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| 14 | #include "src/__support/macros/properties/compiler.h" |
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| 15 | |
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| 16 | namespace LIBC_NAMESPACE_DECL { |
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| 17 | |
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| 18 | LLVM_LIBC_FUNCTION(float16, fabsf16, (float16 x)) { |
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| 19 | // For x86, GCC generates better code from the generic implementation. |
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| 20 | // https://godbolt.org/z/K9orM4hTa |
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| 21 | #if defined(__LIBC_MISC_MATH_BASIC_OPS_OPT) && \ |
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| 22 | !(defined(LIBC_TARGET_ARCH_IS_X86) && defined(LIBC_COMPILER_IS_GCC)) |
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| 23 | return __builtin_fabsf16(x); |
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| 24 | #else |
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| 25 | return fputil::abs(x); |
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| 26 | #endif |
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| 27 | } |
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| 28 | |
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| 29 | } // namespace LIBC_NAMESPACE_DECL |
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| 30 | |
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