| 1 | //===-- bswapsi2.c - Implement __bswapsi2 ---------------------------------===// |
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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 | // This file implements __bswapsi2 for the compiler_rt library. |
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| 10 | // |
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| 11 | //===----------------------------------------------------------------------===// |
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| 12 | |
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| 13 | #include "int_lib.h" |
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| 14 | |
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| 15 | COMPILER_RT_ABI uint32_t __bswapsi2(uint32_t u) { |
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| 16 | return ((((u)&0xff000000) >> 24) | |
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| 17 | (((u)&0x00ff0000) >> 8) | |
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| 18 | (((u)&0x0000ff00) << 8) | |
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| 19 | (((u)&0x000000ff) << 24)); |
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| 20 | } |
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| 21 | |
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