diff options
Diffstat (limited to 'lib/compiler-rt/builtins/arm/aeabi_uldivmod.S')
-rw-r--r-- | lib/compiler-rt/builtins/arm/aeabi_uldivmod.S | 45 |
1 files changed, 45 insertions, 0 deletions
diff --git a/lib/compiler-rt/builtins/arm/aeabi_uldivmod.S b/lib/compiler-rt/builtins/arm/aeabi_uldivmod.S new file mode 100644 index 0000000..4fc9770 --- /dev/null +++ b/lib/compiler-rt/builtins/arm/aeabi_uldivmod.S @@ -0,0 +1,45 @@ +//===-- aeabi_uldivmod.S - EABI uldivmod implementation -------------------===// +// +// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. +// See https://llvm.org/LICENSE.txt for license information. +// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception +// +//===----------------------------------------------------------------------===// + +#include "../assembly.h" + +// struct { uint64_t quot, uint64_t rem} +// __aeabi_uldivmod(uint64_t numerator, uint64_t denominator) { +// uint64_t rem, quot; +// quot = __udivmoddi4(numerator, denominator, &rem); +// return {quot, rem}; +// } + +#if defined(__MINGW32__) +#define __aeabi_uldivmod __rt_udiv64 +#endif + + .syntax unified + .p2align 2 +DEFINE_COMPILERRT_FUNCTION(__aeabi_uldivmod) + push {r6, lr} + sub sp, sp, #16 + add r6, sp, #8 + str r6, [sp] +#if defined(__MINGW32__) + movs r6, r0 + movs r0, r2 + movs r2, r6 + movs r6, r1 + movs r1, r3 + movs r3, r6 +#endif + bl SYMBOL_NAME(__udivmoddi4) + ldr r2, [sp, #8] + ldr r3, [sp, #12] + add sp, sp, #16 + pop {r6, pc} +END_COMPILERRT_FUNCTION(__aeabi_uldivmod) + +NO_EXEC_STACK_DIRECTIVE + |