| # mach: bfin |
| |
| // Test extraction from accumulators: |
| // ROUND/TRUNCATE in UNSIGNED FRACTIONAL mode |
| // test ops: "+=" |
| |
| .include "testutils.inc" |
| start |
| |
| |
| // load r0=0xfffef000 |
| // load r1=0xfffff000 |
| // load r2=0x00008000 |
| // load r3=0x00018000 |
| // load r4=0x0000007f |
| loadsym P0, data0 |
| R0 = [ P0 ++ ]; |
| R1 = [ P0 ++ ]; |
| R2 = [ P0 ++ ]; |
| R3 = [ P0 ++ ]; |
| R4 = [ P0 ++ ]; |
| |
| // round |
| // 0x00fffef000 -> 0xffff |
| A1 = A0 = 0; |
| A1.w = R0; |
| A0.w = R0; |
| R5.H = A1, R5.L = A0 (FU); |
| DBGA ( R5.L , 0xffff ); |
| DBGA ( R5.H , 0xffff ); |
| |
| // truncate |
| // 0x00fffef00 -> 0xfffe |
| A1 = A0 = 0; |
| A1.w = R0; |
| A0.w = R0; |
| R5.H = A1, R5.L = A0 (TFU); |
| DBGA ( R5.L , 0xfffe ); |
| DBGA ( R5.H , 0xfffe ); |
| |
| // round |
| // 0x00fffff000 -> 0xffff |
| A1 = A0 = 0; |
| A1.w = R1; |
| A0.w = R1; |
| R5.H = A1, R5.L = A0 (FU); |
| DBGA ( R5.L , 0xffff ); |
| DBGA ( R5.H , 0xffff ); |
| |
| pass |
| |
| .data; |
| data0: |
| .dw 0xf000 |
| .dw 0xfffe |
| .dw 0xf000 |
| .dw 0xffff |
| .dw 0x8000 |
| .dw 0x0000 |
| .dw 0x8000 |
| .dw 0x0001 |
| .dw 0x007f |
| .dw 0x0000 |
