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Diffstat (limited to 'lib/arm/aeabi_uldivmod.S')
| -rw-r--r-- | lib/arm/aeabi_uldivmod.S | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/lib/arm/aeabi_uldivmod.S b/lib/arm/aeabi_uldivmod.S new file mode 100644 index 000000000000..724049dd9ccd --- /dev/null +++ b/lib/arm/aeabi_uldivmod.S @@ -0,0 +1,30 @@ +//===-- aeabi_uldivmod.S - EABI uldivmod implementation -------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +#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}; +// } + + .syntax unified + .align 2 +DEFINE_COMPILERRT_FUNCTION(__aeabi_uldivmod) + push {r11, lr} + sub sp, sp, #16 + add r12, sp, #8 + str r12, [sp] + bl SYMBOL_NAME(__udivmoddi4) + ldr r2, [sp, #8] + ldr r3, [sp, #12] + add sp, sp, #16 + pop {r11, pc}
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