sim/testsuite/bfin/acp5_4.s

   1 //  test RND setting AZ
   2 # mach: bfin
   3
   4 .include "testutils.inc"
   5         start
   6
   7
   8 //  result is zero with overflow ==> AZ, therefore, is not set
   9         R0.L = 0x8000;
  10         R0 = R0.L (X);
  11         R1.L = R0 (RND);
  12         CC = AZ;        R7 = CC;
  13         DBGA(R1.L, 0);
  14         DBGA ( R7.L , 0x1 );
  15
  16 // No Overflow, result is zero, AZ is set
  17         R0 = 1 (X);
  18         R1.L = r0 (RND);
  19         CC = AZ;        R7 = CC;
  20         DBGA(R1.L, 0);
  21         DBGA ( R7.L , 0x1 );
  22
  23 // result should be 1
  24         R0.L = 0x8000;
  25         R0.H = 0;
  26         R1.L = R0 (RND);
  27         CC = AZ;        R7 = CC;
  28         DBGA(R1.L, 1);
  29         DBGA ( R7.L , 0x0 );
  30
  31 // Result should be non-zero
  32         R0.H = 0x7ff0;
  33         R0.L = 0x8000;
  34         R1.L = R0 (RND);
  35         CC = AZ;        R7 = CC;
  36         DBGA(R1.L, 0x7ff1);
  37         DBGA ( R7.L , 0x0 );
  38
  39         pass