sim/testsuite/bfin/m16.s

   1 // Test various moves to single register half
   2 # mach: bfin
   3
   4 .include "testutils.inc"
   5         start
   6
   7
   8 // load r0=0x7fffffff
   9 // load r1=0x00ffffff
  10 // load r2=0xf0000000
  11 // load r3=0x0000007f
  12 // load r4=0x00000080
  13         loadsym P0, data0;
  14         R0 = [ P0 ++ ];
  15         R1 = [ P0 ++ ];
  16         R2 = [ P0 ++ ];
  17         R3 = [ P0 ++ ];
  18         R4 = [ P0 ++ ];
  19
  20 // extract  only to high half
  21         R5 = 0;
  22         A1 = A0 = 0;
  23         A1.w = R0;
  24         A0.w = R0;
  25         R5.H = A1;
  26         DBGA ( R5.L , 0x0000 );
  27         DBGA ( R5.H , 0x7fff );
  28
  29 // extract only to low half
  30         R5 = 0;
  31         A1 = A0 = 0;
  32         A1.w = R0;
  33         A0.w = R0;
  34         R5.L = A0;
  35         DBGA ( R5.L , 0x7fff );
  36         DBGA ( R5.H , 0x0000 );
  37
  38 // extract  only to high half
  39         R5 = 0;
  40         A1 = A0 = 0;
  41         R5.H = ( A1 += R0.H * R0.H ), A0 += R0.H * R0.H;
  42         DBGA ( R5.L , 0x0000 );
  43         DBGA ( R5.H , 0x7ffe );
  44
  45 // extract  only to low half
  46         R5 = 0;
  47         A1 = A0 = 0;
  48         A1 += R0.H * R0.H, R5.L = ( A0 += R0.H * R0.H );
  49         DBGA ( R5.L , 0x7ffe );
  50         DBGA ( R5.H , 0x0000 );
  51
  52         pass
  53
  54         .data
  55 data0:
  56         .dw 0xffff
  57         .dw 0x7fff
  58         .dw 0xffff
  59         .dw 0x00ff
  60         .dw 0x0000
  61         .dw 0xf000
  62         .dw 0x007f
  63         .dw 0x0000
  64         .dw 0x0080
  65         .dw 0x0000