| 1 | //===-- sync_fetch_and_sub_4.S - ------------------------------------------===// |
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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 the __sync_fetch_and_sub_4 function for the ARM |
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| 10 | // architecture. |
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| 11 | // |
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| 12 | //===----------------------------------------------------------------------===// |
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| 13 | |
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| 14 | #include "sync-ops.h" |
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| 15 | |
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| 16 | // "subs" is 2 bytes shorter than "sub". |
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| 17 | #define sub_4(rD, rN, rM) sub rD, rN, rM |
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| 18 | |
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| 19 | SYNC_OP_4(sub_4) |
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| 20 | |
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| 21 | NO_EXEC_STACK_DIRECTIVE |
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| 22 | |
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| 23 | |
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