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      1 //  Test result extraction of mac instructions.
      2 //  Test basic edge values
      3 //  SIGNED INTEGER  mode into SINGLE destination register
      4 //  test ops: "+="
      5 # mach: bfin
      6 
      7 .include "testutils.inc"
      8 	start
      9 
     10 
     11 // load r0=0x80000001
     12 // load r1=0x80007fff
     13 // load r2=0xf0000000
     14 // load r3=0x0000007f
     15 // load r4=0x00000080
     16 	loadsym P0, data0;
     17 	R0 = [ P0 ++ ];
     18 	R1 = [ P0 ++ ];
     19 	R2 = [ P0 ++ ];
     20 	R3 = [ P0 ++ ];
     21 	R4 = [ P0 ++ ];
     22 
     23 // integer extraction with no saturation
     24 // 0x1 * 0x1 = 0x0000000001 -> 0x1
     25 	A1 = A0 = 0;
     26 	R5.H = (A1 += R0.L * R0.L), R5.L = (A0 += R0.L * R0.L) (IS);
     27 	DBGA ( R5.L , 0x1 );
     28 	DBGA ( R5.H , 0x1 );
     29 
     30 // integer extraction with positive saturation
     31 // 0x7fff * 0x7f  -> 0x7fff
     32 	A1 = A0 = 0;
     33 	R5.H = (A1 += R1.L * R3.L), R5.L = (A0 += R1.L * R3.L) (IS);
     34 	DBGA ( R5.L , 0x7fff );
     35 	DBGA ( R5.H , 0x7fff );
     36 
     37 // integer extraction with negative saturation
     38 // 0x8000 * 0x7f  -> 0x8000
     39 	A1 = A0 = 0;
     40 	R5.H = (A1 += R1.H * R3.L), R5.L = (A0 += R1.H * R3.L) (IS);
     41 	DBGA ( R5.L , 0x8000 );
     42 	DBGA ( R5.H , 0x8000 );
     43 
     44 	pass
     45 
     46 	.data;
     47 data0:
     48 	.dw 0x0001
     49 	.dw 0x8000
     50 	.dw 0x7fff
     51 	.dw 0x8000
     52 	.dw 0x0000
     53 	.dw 0xf000
     54 	.dw 0x007f
     55 	.dw 0x0000
     56 	.dw 0x0080
     57 	.dw 0x0000
     58