lldiv_t_rr __aeabi_ldivmod (long long a, long long b)
{
lldiv_t_rr r;
r.quot =__divdi3 (a, b);
r.rem = a - b * r.quot;
return r;
}
COMPILER_RT_ABI di_int
__divmoddi4(di_int a, di_int b, di_int* rem)
{
di_int d = __divdi3(a,b);
*rem = a - (d*b);
return d;
}
int test__divdi3(di_int a, di_int b, di_int expected)
{
di_int x = __divdi3(a, b);
if (x != expected)
printf("error in __divdi3: %lld / %lld = %lld, expected %lld\n",
a, b, x, expected);
return x != expected;
}
long long
__kern_ldivmod(long long n, long long m, long long *rem)
{
long long q;
q = __divdi3(n, m); /* q = n / m */
*rem = n - m * q;
return q;
}
long long
__gnu_ldivmod_helper (long long a,
long long b,
long long *remainder)
{
long long quotient;
quotient = __divdi3 (a, b);
*remainder = a - b * quotient;
return quotient;
}
int main()
{
// Shift left 64 bits, less than 32 bit shift, unsigned value
print64bit(__ashldi3(0x1257493827394374LL, 3));
// CHECK: 0x92ba49c139ca1ba0
// Shift left 64 bits, more than 32 bit shift, unsigned value
print64bit(__ashldi3(0x1257493827394374LL, 34));
// CHECK: 0x9ce50dd000000000
// Logical shift right 64 bits, less than 32 bit shift, unsigned value
print64bit(__lshrdi3(0x1d348856d51c4737LL, 7));
// CHECK: 0x003a6910adaa388e
// Signed value
print64bit(__lshrdi3(0xfd348856d51c4737LL, 7));
// CHECK: 0x01fa6910adaa388e
// Logical shift right 64 bits, more than 32 bit shift, unsigned value
print64bit(__lshrdi3(0x1d348856d51c4737LL, 37));
// CHECK: 0x0000000000e9a442
// Signed value
print64bit(__lshrdi3(0xfd348856d51c4737LL, 37));
// CHECK: 0x0000000007e9a442
// Unsigned 32 bit integer division, signed value
printf("0x%08x\n", __udivsi3(0xf39eca1b, 17));
// CHECK: 0x0e54a27a
// Unsigned value
printf("0x%08x\n", __udivsi3(0x5b0a6c63, 17));
// CHECK: 0x055af751
// Signed 32 bit integer division, signed value
printf("0x%08x\n", __divsi3(0xf39eca1b, 17));
// CHECK: 0xff45936b
// Unsigned value
printf("0x%08x\n", __divsi3(0x539eca1b, 17));
// CHECK: 0x04eb3910
// Unsigned 32 bit integer modulus, signed value
printf("0x%08x\n", __umodsi3(0xf39eca1b, 495));
// CHECK: 0x000001d1
// Unsigned value
printf("0x%08x\n", __umodsi3(0x539eca1b, 495));
// CHECK: 0x000000d7
// Signed 32 bit integer modulus, signed value
printf("0x%08x\n", __modsi3(0xf39eca1b, 495));
// CHECK: 0xfffffeb5
// Unsigned value
printf("0x%08x\n", __modsi3(0x539eca1b, 495));
// CHECK: 0x000000d7
// Unsigned 64 bit integer division, signed value
print64bit(__udivdi3(0xf3c367523e29230aLL, 495));
// CHECK: 0x007e114680625881
// Unsigned value
print64bit(__udivdi3(0x53c367523e29230aLL, 495));
// CHECK: 0x002b51ebff175b17
// Signed 64 bit integer division, signed value
print64bit(__divdi3(0xf3c367523e29230aLL, 495));
// CHECK: 0xfff9abe8e4b72972
// Unsigned value
print64bit(__divdi3(0x53c367523e29230aLL, 495));
// CHECK: 0x002b51ebff175b17
// Unsigned 64 bit integer modulus, signed value
print64bit(__umoddi3(0xf3c367523e29230aLL, 495));
// CHECK: 0x000000000000019b
// Unsigned value
print64bit(__umoddi3(0x53c367523e29230aLL, 495));
// CHECK: 0x0000000000000191
// Signed 64 bit integer modulus, signed value
print64bit(__moddi3(0xf3c367523e29230aLL, 495));
// CHECK: 0xffffffffffffff9c
// Unsigned value
print64bit(__moddi3(0x53c367523e29230aLL, 495));
// CHECK: 0x0000000000000191
// Convert 64 bit value to float, greater than > 32 bits
printfloathex(__floatundisf(1674874919848732277LL));
// CHECK: 0x5db9f2cf
// < 32 bits
printfloathex(__floatundisf(1674877LL));
// CHECK: 0x49cc73e8
}
