xref: /aosp_15_r20/external/compiler-rt/lib/builtins/arm/aeabi_ldivmod.S (revision 7c3d14c8b49c529e04be81a3ce6f5cc23712e4c6)
1*7c3d14c8STreehugger Robot//===-- aeabi_ldivmod.S - EABI ldivmod implementation ---------------------===//
2*7c3d14c8STreehugger Robot//
3*7c3d14c8STreehugger Robot//                     The LLVM Compiler Infrastructure
4*7c3d14c8STreehugger Robot//
5*7c3d14c8STreehugger Robot// This file is dual licensed under the MIT and the University of Illinois Open
6*7c3d14c8STreehugger Robot// Source Licenses. See LICENSE.TXT for details.
7*7c3d14c8STreehugger Robot//
8*7c3d14c8STreehugger Robot//===----------------------------------------------------------------------===//
9*7c3d14c8STreehugger Robot
10*7c3d14c8STreehugger Robot#include "../assembly.h"
11*7c3d14c8STreehugger Robot
12*7c3d14c8STreehugger Robot// struct { int64_t quot, int64_t rem}
13*7c3d14c8STreehugger Robot//        __aeabi_ldivmod(int64_t numerator, int64_t denominator) {
14*7c3d14c8STreehugger Robot//   int64_t rem, quot;
15*7c3d14c8STreehugger Robot//   quot = __divmoddi4(numerator, denominator, &rem);
16*7c3d14c8STreehugger Robot//   return {quot, rem};
17*7c3d14c8STreehugger Robot// }
18*7c3d14c8STreehugger Robot
19*7c3d14c8STreehugger Robot        .syntax unified
20*7c3d14c8STreehugger Robot        .p2align 2
21*7c3d14c8STreehugger RobotDEFINE_COMPILERRT_FUNCTION(__aeabi_ldivmod)
22*7c3d14c8STreehugger Robot        push    {r11, lr}
23*7c3d14c8STreehugger Robot        sub     sp, sp, #16
24*7c3d14c8STreehugger Robot        add     r12, sp, #8
25*7c3d14c8STreehugger Robot        str     r12, [sp]
26*7c3d14c8STreehugger Robot        bl      SYMBOL_NAME(__divmoddi4)
27*7c3d14c8STreehugger Robot        ldr     r2, [sp, #8]
28*7c3d14c8STreehugger Robot        ldr     r3, [sp, #12]
29*7c3d14c8STreehugger Robot        add     sp, sp, #16
30*7c3d14c8STreehugger Robot        pop     {r11, pc}
31*7c3d14c8STreehugger RobotEND_COMPILERRT_FUNCTION(__aeabi_ldivmod)
32*7c3d14c8STreehugger Robot
33*7c3d14c8STreehugger RobotNO_EXEC_STACK_DIRECTIVE
34*7c3d14c8STreehugger Robot
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