LXR qemu/tests/tcg/mips/user/isa/r5900/test_r5900

   1/*
   2 * Test R5900-specific MTLO1 and MTHI1.
   3 */
   4
   5#include <stdio.h>
   6#include <inttypes.h>
   7#include <assert.h>
   8
   9int main()
  10{
  11    int32_t tlo  = 12207031, thi  = 305175781;
  12    int32_t tlo1 = 32452867, thi1 = 49979687;
  13    int32_t flo, fhi, flo1, fhi1;
  14
  15    /* Test both LO/HI and LO1/HI1 to verify separation. */
  16    __asm__ __volatile__ (
  17            "    mtlo  %4\n"
  18            "    mthi  %5\n"
  19            "    mtlo1 %6\n"
  20            "    mthi1 %7\n"
  21            "    move  %0, $0\n"
  22            "    move  %1, $0\n"
  23            "    move  %2, $0\n"
  24            "    move  %3, $0\n"
  25            "    mflo  %0\n"
  26            "    mfhi  %1\n"
  27            "    mflo1 %2\n"
  28            "    mfhi1 %3\n"
  29            : "=r" (flo),  "=r" (fhi),
  30              "=r" (flo1), "=r" (fhi1)
  31            : "r" (tlo),  "r" (thi),
  32              "r" (tlo1), "r" (thi1));
  33
  34    assert(flo  == 12207031);
  35    assert(fhi  == 305175781);
  36    assert(flo1 == 32452867);
  37    assert(fhi1 == 49979687);
  38
  39    return 0;
  40}
  41