| // Test extraction from accumulators: |
| // SCALE in SIGNED INTEGER mode |
| # mach: bfin |
| |
| .include "testutils.inc" |
| start |
| |
| |
| // load r0=0x00000fff |
| // load r1=0x00007fff |
| // load r2=0xffffffff |
| // load r3=0xffff0fff |
| // load r4=0x000000ff |
| loadsym P0, data0; |
| R0 = [ P0 ++ ]; |
| R1 = [ P0 ++ ]; |
| R2 = [ P0 ++ ]; |
| R3 = [ P0 ++ ]; |
| R4 = [ P0 ++ ]; |
| |
| // SCALE |
| // 0x0000000fff -> SCALE 0x1ffe |
| A1 = A0 = 0; |
| A1.w = R0; |
| A0.w = R0; |
| R5.H = A1, R5.L = A0 (ISS2); |
| DBGA ( R5.L , 0x1ffe ); |
| DBGA ( R5.H , 0x1ffe ); |
| |
| // SCALE |
| // 0x0000007fff -> SCALE 0x7fff |
| A1 = A0 = 0; |
| A1.w = R1; |
| A0.w = R1; |
| R5.H = A1, R5.L = A0 (ISS2); |
| DBGA ( R5.L , 0x7fff ); |
| DBGA ( R5.H , 0x7fff ); |
| |
| // SCALE |
| // 0xffffffffff -> SCALE 0xfffe |
| A1 = A0 = 0; |
| A1.w = R2; |
| A0.w = R2; |
| A1.x = R4.L; |
| A0.x = R4.L; |
| R5.H = A1, R5.L = A0 (ISS2); |
| DBGA ( R5.L , 0xfffe ); |
| DBGA ( R5.H , 0xfffe ); |
| |
| // SCALE |
| // 0xffffff0fff -> SCALE 0x8000 |
| A1 = A0 = 0; |
| A1.w = R3; |
| A0.w = R3; |
| A1.x = R4.L; |
| A0.x = R4.L; |
| R5.H = A1, R5.L = A0 (ISS2); |
| DBGA ( R5.L , 0x8000 ); |
| DBGA ( R5.H , 0x8000 ); |
| |
| pass |
| |
| .data |
| data0: |
| .dw 0x0fff |
| .dw 0x0000 |
| .dw 0x7fff |
| .dw 0x0000 |
| .dw 0xffff |
| .dw 0xffff |
| .dw 0x0fff |
| .dw 0xffff |
| .dw 0x00ff |
| .dw 0x0000 |
