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//===-- aeabi_uidivmod.S - EABI uidivmod 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 { unsigned quot, unsigned rem}
// __aeabi_uidivmod(unsigned numerator, unsigned denominator) {
// unsigned rem, quot;
// quot = __udivmodsi4(numerator, denominator, &rem);
// return {quot, rem};
// }
#if defined(__MINGW32__)
#define __aeabi_uidivmod __rt_udiv
#endif
.syntax unified
.p2align 2
DEFINE_COMPILERRT_FUNCTION(__aeabi_uidivmod)
#if __ARM_ARCH_ISA_THUMB == 1
cmp r0, r1
bcc LOCAL_LABEL(case_denom_larger)
push {r0, r1, lr}
bl SYMBOL_NAME(__aeabi_uidiv)
pop {r1, r2, r3}
muls r2, r0, r2 // r2 = quot * denom
subs r1, r1, r2
JMP (r3)
LOCAL_LABEL(case_denom_larger):
movs r1, r0
movs r0, #0
JMP (lr)
#else
push { lr }
sub sp, sp, #4
mov r2, sp
#if defined(__MINGW32__)
mov r3, r0
mov r0, r1
mov r1, r3
#endif
bl SYMBOL_NAME(__udivmodsi4)
ldr r1, [sp]
add sp, sp, #4
pop { pc }
#endif
END_COMPILERRT_FUNCTION(__aeabi_uidivmod)
NO_EXEC_STACK_DIRECTIVE
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