| 1 | //===-- divsi3.c - Implement __divsi3 -------------------------------------===// |
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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 __divsi3 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 | // Returns: a / b |
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| 16 | |
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| 17 | #define fixint_t si_int |
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| 18 | #define fixuint_t su_int |
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| 19 | // On CPUs without unsigned hardware division support, |
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| 20 | // this calls __udivsi3 (notice the cast to su_int). |
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| 21 | // On CPUs with unsigned hardware division support, |
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| 22 | // this uses the unsigned division instruction. |
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| 23 | #define COMPUTE_UDIV(a, b) ((su_int)(a) / (su_int)(b)) |
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| 24 | #include "int_div_impl.inc" |
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| 25 | |
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| 26 | COMPILER_RT_ABI si_int __divsi3(si_int a, si_int b) { return __divXi3(a, b); } |
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| 27 | |
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| 28 | #if defined(__ARM_EABI__) |
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| 29 | COMPILER_RT_ALIAS(__divsi3, __aeabi_idiv) |
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| 30 | #endif |
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| 31 | |
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