| // Test extraction from accumulators: |
| // SIGNED FRACTIONAL and SIGNED INT mode into register PAIR |
| # mach: bfin |
| |
| .include "testutils.inc" |
| start |
| |
| |
| // load r0=0x7ffffff0 |
| // load r1=0xfffffff0 |
| // load r2=0x0fffffff |
| // load r3=0x80100000 |
| // load r4=0x000000ff |
| loadsym P0, data0; |
| R0 = [ P0 ++ ]; |
| R1 = [ P0 ++ ]; |
| R2 = [ P0 ++ ]; |
| R3 = [ P0 ++ ]; |
| R4 = [ P0 ++ ]; |
| |
| // extract |
| // 0x007ffffff0 -> 0x7fffffff0 |
| A1 = A0 = 0; |
| A1.w = R0; |
| A0.w = R0; |
| R7 = A1, R6 = A0; |
| DBGA ( R7.L , 0xfff0 ); |
| DBGA ( R7.H , 0x7fff ); |
| DBGA ( R6.L , 0xfff0 ); |
| DBGA ( R6.H , 0x7fff ); |
| |
| // extract with saturate |
| // 0x00fffffff0 -> 0x7ffffffff |
| A1 = A0 = 0; |
| A1.w = R1; |
| A0.w = R1; |
| R7 = A1, R6 = A0; |
| DBGA ( R7.L , 0xffff ); |
| DBGA ( R7.H , 0x7fff ); |
| DBGA ( R6.L , 0xffff ); |
| DBGA ( R6.H , 0x7fff ); |
| |
| // extract with saturate negative |
| // 0xff0ffffff0 -> 0x80000000 |
| A1 = A0 = 0; |
| A1.w = R2; |
| A0.w = R2; |
| A1.x = R4.L; |
| A0.x = R4.L; |
| R7 = A1, R6 = A0; |
| DBGA ( R7.L , 0x0000 ); |
| DBGA ( R7.H , 0x8000 ); |
| DBGA ( R6.L , 0x0000 ); |
| DBGA ( R6.H , 0x8000 ); |
| |
| // extract integer (same as fract) |
| // 0x007ffffff0 -> 0x7fffffff0 |
| A1 = A0 = 0; |
| A1.w = R0; |
| A0.w = R0; |
| R7 = A1, R6 = A0 (IS); |
| DBGA ( R7.L , 0xfff0 ); |
| DBGA ( R7.H , 0x7fff ); |
| DBGA ( R6.L , 0xfff0 ); |
| DBGA ( R6.H , 0x7fff ); |
| |
| // extract with saturate negative |
| // 0xff0ffffff0 -> 0x80000000 |
| A1 = A0 = 0; |
| A1.w = R2; |
| A0.w = R2; |
| A1.x = R4.L; |
| A0.x = R4.L; |
| R7 = A1, R6 = A0 (IS); |
| DBGA ( R7.L , 0x0000 ); |
| DBGA ( R7.H , 0x8000 ); |
| DBGA ( R6.L , 0x0000 ); |
| DBGA ( R6.H , 0x8000 ); |
| |
| pass |
| |
| .data |
| data0: |
| .dw 0xfff0 |
| .dw 0x7fff |
| .dw 0xfff0 |
| .dw 0xffff |
| .dw 0xffff |
| .dw 0x0fff |
| .dw 0x0000 |
| .dw 0x8010 |
| .dw 0x00ff |
| .dw 0x0000 |
