sim/testsuite/bfin/a5.s

   1 //  ALU test program.
   2 //  Test instructions
   3 //   rL4= L+L (r2,r3);
   4 //   rH4= L+H (r2,r3) S;
   5 //   rL4= L-L (r2,r3);
   6 //   rH4= L-H (r2,r3) S;
   7 # mach: bfin
   8
   9 .include "testutils.inc"
  10         start
  11
  12         init_r_regs 0;
  13         ASTAT = R0;
  14
  15 // overflow  positive
  16         R0.L = 0x0000;
  17         R0.H = 0x7fff;
  18         R1.L = 0x7fff;
  19         R1.H = 0x0000;
  20         R7 = 0;
  21         ASTAT = R7;
  22         R3.L = R0.H + R1.L (NS);
  23         DBGA ( R3.L , 0xfffe );
  24         DBGA ( R3.H , 0x0000 );
  25         CC = AZ;        R7 = CC; DBGA ( R7.L , 0x0 );
  26         CC = AN;        R7 = CC; DBGA ( R7.L , 0x1 );
  27         CC =  V;        R7 = CC; DBGA ( R7.L , 0x1 );
  28         CC = AC0;       R7 = CC; DBGA ( R7.L , 0x0 );
  29
  30 // overflow  negative
  31         R0.L = 0xffff;
  32         R0.H = 0x0000;
  33         R1.L = 0x0000;
  34         R1.H = 0x8000;
  35         R3 = 0;
  36         R7 = 0;
  37         ASTAT = R7;
  38         R3.H = R0.L + R1.H (NS);
  39         DBGA ( R3.L , 0x0000 );
  40         DBGA ( R3.H , 0x7fff );
  41         CC = AZ;        R7 = CC; DBGA ( R7.L , 0x0 );
  42         CC = AN;        R7 = CC; DBGA ( R7.L , 0x0 );
  43         CC =  V;        R7 = CC; DBGA ( R7.L , 0x1 );
  44         CC = AC0;       R7 = CC; DBGA ( R7.L , 0x1 );
  45
  46 // saturate  positive
  47         R0.L = 0x0000;
  48         R0.H = 0x7fff;
  49         R1.L = 0x7fff;
  50         R1.H = 0x0000;
  51         R3 = 0;
  52         R7 = 0;
  53         ASTAT = R7;
  54         R3.L = R0.H + R1.L (S);
  55         DBGA ( R3.L , 0x7fff );
  56         DBGA ( R3.H , 0x0000 );
  57         CC = AZ;        R7 = CC; DBGA ( R7.L , 0x0 );
  58         CC = AN;        R7 = CC; DBGA ( R7.L , 0x0 );
  59         CC =  V;        R7 = CC; DBGA ( R7.L , 0x1 );
  60         CC = AC0;       R7 = CC; DBGA ( R7.L , 0x0 );
  61
  62 // saturate  negative
  63         R0.L = 0xffff;
  64         R0.H = 0x0000;
  65         R1.L = 0x0000;
  66         R1.H = 0x8000;
  67         R3 = 0;
  68         R7 = 0;
  69         ASTAT = R7;
  70         R3.L = R0.L + R1.H (S);
  71         DBGA ( R3.L , 0x8000 );
  72         DBGA ( R3.H , 0x0000 );
  73         CC = AZ;        R7 = CC; DBGA ( R7.L , 0x0 );
  74         CC = AN;        R7 = CC; DBGA ( R7.L , 0x1 );
  75         CC =  V;        R7 = CC; DBGA ( R7.L , 0x1 );
  76         CC = AC0;       R7 = CC; DBGA ( R7.L , 0x1 );
  77
  78 // overflow  positive with subtraction
  79         R0.L = 0x0000;
  80         R0.H = 0x7fff;
  81         R1.L = 0xffff;
  82         R1.H = 0x0000;
  83         R7 = 0;
  84         ASTAT = R7;
  85         R3.L = R0.H - R1.L (NS);
  86         DBGA ( R3.L , 0x8000 );
  87         DBGA ( R3.H , 0x0000 );
  88         CC = AZ;        R7 = CC; DBGA ( R7.L , 0x0 );
  89         CC = AN;        R7 = CC; DBGA ( R7.L , 0x1 );
  90         CC =  V;        R7 = CC; DBGA ( R7.L , 0x1 );
  91         CC = AC0;       R7 = CC; DBGA ( R7.L , 0x0 );
  92
  93 // overflow  negative with subtraction
  94         R0.L = 0x8000;
  95         R0.H = 0x0000;
  96         R1.L = 0x0000;
  97         R1.H = 0x0001;
  98         R3 = 0;
  99         R7 = 0;
 100         ASTAT = R7;
 101         R3.H = R0.L - R1.H (NS);
 102         DBGA ( R3.L , 0x0000 );
 103         DBGA ( R3.H , 0x7fff );
 104         CC = AZ;        R7 = CC; DBGA ( R7.L , 0x0 );
 105         CC = AN;        R7 = CC; DBGA ( R7.L , 0x0 );
 106         CC =  V;        R7 = CC; DBGA ( R7.L , 0x1 );
 107         CC = AC0;       R7 = CC; DBGA ( R7.L , 0x1 );
 108
 109 // saturate  positive with subtraction
 110         R0.L = 0x0000;
 111         R0.H = 0x7fff;
 112         R1.L = 0xffff;
 113         R1.H = 0x0000;
 114         R7 = 0;
 115         ASTAT = R7;
 116         R3.H = R0.H - R1.L (S);
 117         DBGA ( R3.L , 0x0000 );
 118         DBGA ( R3.H , 0x7fff );
 119         CC = AZ;        R7 = CC; DBGA ( R7.L , 0x0 );
 120         CC = AN;        R7 = CC; DBGA ( R7.L , 0x0 );
 121         CC =  V;        R7 = CC; DBGA ( R7.L , 0x1 );
 122         CC = AC0;       R7 = CC; DBGA ( R7.L , 0x0 );
 123
 124 // saturate  negative with subtraction
 125         R0.L = 0x8000;
 126         R0.H = 0x0000;
 127         R1.L = 0x0000;
 128         R1.H = 0x0001;
 129         R3 = 0;
 130         R7 = 0;
 131         ASTAT = R7;
 132         R3.H = R0.L - R1.H (S);
 133         DBGA ( R3.L , 0x0000 );
 134         DBGA ( R3.H , 0x8000 );
 135         CC = AZ;        R7 = CC; DBGA ( R7.L , 0x0 );
 136         CC = AN;        R7 = CC; DBGA ( R7.L , 0x1 );
 137         CC =  V;        R7 = CC; DBGA ( R7.L , 0x1 );
 138         CC = AC0;       R7 = CC; DBGA ( R7.L , 0x1 );
 139
 140         pass