1*073d9f2cSAleksandar Markovic /*
2*073d9f2cSAleksandar Markovic * Test R5900-specific MFLO1 and MFHI1.
3*073d9f2cSAleksandar Markovic */
4*073d9f2cSAleksandar Markovic
5*073d9f2cSAleksandar Markovic #include <stdio.h>
6*073d9f2cSAleksandar Markovic #include <inttypes.h>
7*073d9f2cSAleksandar Markovic #include <assert.h>
8*073d9f2cSAleksandar Markovic
main()9*073d9f2cSAleksandar Markovic int main()
10*073d9f2cSAleksandar Markovic {
11*073d9f2cSAleksandar Markovic int32_t rs = 12207031, rt = 305175781;
12*073d9f2cSAleksandar Markovic int32_t rs1 = 32452867, rt1 = 49979687;
13*073d9f2cSAleksandar Markovic int64_t lo, hi, lo1, hi1;
14*073d9f2cSAleksandar Markovic int64_t r, r1;
15*073d9f2cSAleksandar Markovic
16*073d9f2cSAleksandar Markovic /* Test both LO/HI and LO1/HI1 to verify separation. */
17*073d9f2cSAleksandar Markovic __asm__ __volatile__ (
18*073d9f2cSAleksandar Markovic " mult $0, %4, %5\n"
19*073d9f2cSAleksandar Markovic " mult1 $0, %6, %7\n"
20*073d9f2cSAleksandar Markovic " mflo %0\n"
21*073d9f2cSAleksandar Markovic " mfhi %1\n"
22*073d9f2cSAleksandar Markovic " mflo1 %2\n"
23*073d9f2cSAleksandar Markovic " mfhi1 %3\n"
24*073d9f2cSAleksandar Markovic : "=r" (lo), "=r" (hi),
25*073d9f2cSAleksandar Markovic "=r" (lo1), "=r" (hi1)
26*073d9f2cSAleksandar Markovic : "r" (rs), "r" (rt),
27*073d9f2cSAleksandar Markovic "r" (rs1), "r" (rt1));
28*073d9f2cSAleksandar Markovic r = ((int64_t)hi << 32) | (uint32_t)lo;
29*073d9f2cSAleksandar Markovic r1 = ((int64_t)hi1 << 32) | (uint32_t)lo1;
30*073d9f2cSAleksandar Markovic
31*073d9f2cSAleksandar Markovic assert(r == 3725290219116211);
32*073d9f2cSAleksandar Markovic assert(r1 == 1621984134912629);
33*073d9f2cSAleksandar Markovic
34*073d9f2cSAleksandar Markovic return 0;
35*073d9f2cSAleksandar Markovic }
36