| // MAC test program. |
| // Test result extraction of mac instructions. |
| // Test basic edge values |
| // UNSIGNED INTEGER mode into SINGLE destination register |
| // test ops: "+=" |
| # mach: bfin |
| |
| .include "testutils.inc" |
| start |
| |
| |
| // load r0=0x80000002 |
| // load r1=0x80007fff |
| // load r2=0xf0000000 |
| // load r3=0x0000007f |
| // load r4=0x00000080 |
| // load r5=0xffffffff |
| loadsym P0, data0; |
| R0 = [ P0 ++ ]; |
| R1 = [ P0 ++ ]; |
| R2 = [ P0 ++ ]; |
| R3 = [ P0 ++ ]; |
| R4 = [ P0 ++ ]; |
| R5 = [ P0 ++ ]; |
| |
| // 0x0002 * 0x0002 = 0x0000000004 -> 0x0004 |
| A1 = A0 = 0; |
| R5.H = (A1 += R0.L * R0.L), R5.L = (A0 += R0.L * R0.L) (IU); |
| DBGA ( R5.L , 0x4 ); |
| DBGA ( R5.H , 0x4 ); |
| |
| // 0x7fff * 0x007f = 0x00003f7f81 -> 0xffff |
| A1 = A0 = 0; |
| R5.H = (A1 += R1.L * R3.L), R5.L = (A0 += R1.L * R3.L) (IU); |
| R5.H = (A1 += R1.L * R3.L), R5.L = (A0 += R1.L * R3.L) (IU); |
| DBGA ( R5.L , 0xffff ); |
| DBGA ( R5.H , 0xffff ); |
| |
| pass |
| |
| .data; |
| data0: |
| .dw 0x0002 |
| .dw 0x8000 |
| .dw 0x7fff |
| .dw 0x8000 |
| .dw 0x0000 |
| .dw 0xf000 |
| .dw 0x007f |
| .dw 0x0000 |
| .dw 0x0080 |
| .dw 0x0000 |
| .dw 0xffff |
| .dw 0xffff |