| 1 | //===-- sync_fetch_and_sub_8.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_8 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 | #if __ARM_ARCH_PROFILE != 'M' |
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| 17 | #define sub_8(rD_LO, rD_HI, rN_LO, rN_HI, rM_LO, rM_HI) \ |
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| 18 | subs rD_LO, rN_LO, rM_LO ; \ |
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| 19 | sbc rD_HI, rN_HI, rM_HI |
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| 20 | |
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| 21 | SYNC_OP_8(sub_8) |
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| 22 | #endif |
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| 23 | |
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| 24 | NO_EXEC_STACK_DIRECTIVE |
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| 25 | |
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| 26 | |
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