sim/testsuite/sim/bfin/m1.S

   1 //  MAC test program.
   2 //  Test for positive and negative saturation using
   3 //  SIGNED FRACTIONAL  mode.
   4 # mach: bfin
   5
   6 #include "test.h"
   7 .include "testutils.inc"
   8         start
   9
  10         init_r_regs 0;
  11         ASTAT = R0;
  12
  13 // load r0=0x00007fff
  14 // load r1=0x00007fff
  15         loadsym p0, data0
  16         R0 = [ P0 ++ ];
  17         R1 = [ P0 ++ ];
  18
  19         R5 = 0;
  20         R4 = 0;
  21         BITSET( R4 , 9 );
  22         A1 = A0 = 0;
  23
  24 LOOP1:
  25         A1 -= R0.L * R1.L, A0 += R0.L * R1.L;
  26 //_DBG a1;
  27 //_DBG a0;
  28         R4 += -1;
  29         CC = R4 == R5;
  30         IF !CC JUMP LOOP1;
  31 R3 = ASTAT;
  32 CHECKREG R3, (_AV1S|_AV1|_AV0S|_AV0|_AC0|_AC0_COPY|_CC|_AZ);
  33
  34         _DBG A1;
  35         _DBG A0;
  36
  37         R6 = A1.w;
  38         _DBG ASTAT;
  39         R7.L = A1.x;
  40         R3 = ASTAT;
  41         _DBG r3;
  42         CHECKREG R3, (_AV1S|_AV1|_AV0S|_AV0|_AC0|_AC0_COPY|_CC|_AZ);
  43
  44         CHECKREG R6, 0;
  45         CHECKREG R7, 0x0000FF80;
  46         R6 = A0.w;
  47         R7.L = A0.x;
  48         CHECKREG R6, 0xffffffff;
  49         CHECKREG R7, 0x7f;
  50
  51         pass
  52
  53         .data 0x1000;
  54 data0:
  55         .dw 0x7fff
  56         .dw 0x0000
  57         .dw 0x7fff
  58         .dw 0x0000