xref: /aosp_15_r20/external/compiler-rt/lib/builtins/arm/aeabi_uidivmod.S (revision 7c3d14c8b49c529e04be81a3ce6f5cc23712e4c6)
1*7c3d14c8STreehugger Robot//===-- aeabi_uidivmod.S - EABI uidivmod 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 { unsigned quot, unsigned rem}
13*7c3d14c8STreehugger Robot//        __aeabi_uidivmod(unsigned numerator, unsigned denominator) {
14*7c3d14c8STreehugger Robot//   unsigned rem, quot;
15*7c3d14c8STreehugger Robot//   quot = __udivmodsi4(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_uidivmod)
22*7c3d14c8STreehugger Robot        push    { lr }
23*7c3d14c8STreehugger Robot        sub     sp, sp, #4
24*7c3d14c8STreehugger Robot        mov     r2, sp
25*7c3d14c8STreehugger Robot        bl      SYMBOL_NAME(__udivmodsi4)
26*7c3d14c8STreehugger Robot        ldr     r1, [sp]
27*7c3d14c8STreehugger Robot        add     sp, sp, #4
28*7c3d14c8STreehugger Robot        pop     { pc }
29*7c3d14c8STreehugger RobotEND_COMPILERRT_FUNCTION(__aeabi_uidivmod)
30*7c3d14c8STreehugger Robot
31*7c3d14c8STreehugger RobotNO_EXEC_STACK_DIRECTIVE
32*7c3d14c8STreehugger Robot
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