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Diffstat (limited to 'lib/builtins/arm/aeabi_ldivmod.S')
-rw-r--r-- | lib/builtins/arm/aeabi_ldivmod.S | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/lib/builtins/arm/aeabi_ldivmod.S b/lib/builtins/arm/aeabi_ldivmod.S new file mode 100644 index 000000000..684252571 --- /dev/null +++ b/lib/builtins/arm/aeabi_ldivmod.S @@ -0,0 +1,31 @@ +//===-- aeabi_ldivmod.S - EABI ldivmod 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 { int64_t quot, int64_t rem} +// __aeabi_ldivmod(int64_t numerator, int64_t denominator) { +// int64_t rem, quot; +// quot = __divmoddi4(numerator, denominator, &rem); +// return {quot, rem}; +// } + + .syntax unified + .align 2 +DEFINE_COMPILERRT_FUNCTION(__aeabi_ldivmod) + push {r11, lr} + sub sp, sp, #16 + add r12, sp, #8 + str r12, [sp] + bl SYMBOL_NAME(__divmoddi4) + ldr r2, [sp, #8] + ldr r3, [sp, #12] + add sp, sp, #16 + pop {r11, pc} +END_COMPILERRT_FUNCTION(__aeabi_ldivmod) |