| // Test ALU NEG accumulators |
| # mach: bfin |
| |
| .include "testutils.inc" |
| start |
| |
| |
| R0 = 0xffffffff; |
| A0.w = R0; |
| R0 = 0x7f (X); |
| A0.x = R0; |
| A0 = - A0; |
| _DBG A0; |
| R4 = A0.w; |
| R5 = A0.x; |
| DBGA ( R4.H , 0x0000 ); DBGA ( R4.L , 0x0001 ); |
| DBGA ( R5.H , 0xffff ); DBGA ( R5.L , 0xff80 ); |
| |
| R0 = 0x1; |
| A0.w = R0; |
| R0 = 0x0; |
| A0.x = R0; |
| A0 = - A0; |
| R4 = A0.w; |
| R5 = A0.x; |
| _DBG A0; |
| DBGA ( R4.H , 0xffff ); DBGA ( R4.L , 0xffff ); |
| DBGA ( R5.H , 0xffff ); DBGA ( R5.L , 0xffff ); |
| |
| R0 = 0xffffffff; |
| A0.w = R0; |
| R0 = 0xff (X); |
| A0.x = R0; |
| A0 = - A0; |
| R4 = A0.w; |
| R5 = A0.x; |
| DBGA ( R4.H , 0x0000 ); DBGA ( R4.L , 0x0001 ); |
| DBGA ( R5.H , 0x0000 ); DBGA ( R5.L , 0x0000 ); |
| |
| R0 = 0x00000000; |
| A0.w = R0; |
| R0 = 0x80 (X); |
| A0.x = R0; |
| A0 = - A0; |
| R4 = A0.w; |
| R5 = A0.x; |
| DBGA ( R4.H , 0xffff ); DBGA ( R4.L , 0xffff ); |
| DBGA ( R5.H , 0x0000 ); DBGA ( R5.L , 0x007f ); |
| |
| // NEG NEG |
| R0 = 0x00000000; |
| A0.w = R0; |
| R0 = 0x80 (X); |
| A0.x = R0; |
| |
| R0 = 0xffffffff; |
| A1.w = R0; |
| R0 = 0x7f (X); |
| A1.x = R0; |
| |
| A1 = - A1, A0 = - A0; |
| |
| R4 = A0.w; |
| R5 = A0.x; |
| DBGA ( R4.H , 0xffff ); DBGA ( R4.L , 0xffff ); |
| DBGA ( R5.H , 0x0000 ); DBGA ( R5.L , 0x007f ); |
| |
| R4 = A1.w; |
| R5 = A1.x; |
| _DBG A1; |
| DBGA ( R4.H , 0x0000 ); DBGA ( R4.L , 0x0001 ); |
| DBGA ( R5.H , 0xffff ); DBGA ( R5.L , 0xff80 ); |
| |
| // NEG NEG register |
| R0.L = 0x0001; |
| R0.H = 0x8000; |
| |
| R3 = - R0 (V); |
| DBGA ( R3.H , 0x7fff ); DBGA ( R3.L , 0xffff ); |
| |
| _DBG ASTAT; |
| |
| pass |