| // Test r4 = VMAX/VMAX (r5,r1) A0>>2; |
| # mach: bfin |
| |
| .include "testutils.inc" |
| start |
| |
| |
| // Both max values are in high half, hence both bits |
| // into A0 are 1 |
| A0 = 0; |
| R1.L = 0x2; // max in r1 is 3 |
| R1.H = 0x3; |
| |
| R0.L = 0x6; // max in r0 is 7 |
| R0.H = 0x7; |
| |
| R6 = VIT_MAX( R1 , R0 ) (ASR); |
| |
| DBGA ( R6.L , 0x0007 ); |
| DBGA ( R6.H , 0x0003 ); |
| R7 = A0.w; |
| DBGA ( R7.L , 0x0000 ); |
| DBGA ( R7.H , 0xc000 ); |
| R7.L = A0.x; |
| DBGA ( R7.L , 0x0000 ); |
| |
| // max value in r1 is in low, so second bit into A0 is zero |
| A0 = 0; |
| R1.L = 0x3; // max in r1 is 3 |
| R1.H = 0x2; |
| |
| R0.L = 0x6; // max in r0 is 7 |
| R0.H = 0x7; |
| |
| R6 = VIT_MAX( R1 , R0 ) (ASR); |
| |
| DBGA ( R6.L , 0x0007 ); |
| DBGA ( R6.H , 0x0003 ); |
| R7 = A0.w; |
| DBGA ( R7.L , 0x0000 ); |
| DBGA ( R7.H , 0x4000 ); |
| R7.L = A0.x; |
| DBGA ( R7.L , 0x0000 ); |
| |
| // both max values in low, so both bits into A0 are zero |
| R0.L = 0x8000; |
| R0.H = 0x0; |
| A0.w = R0; |
| R1.L = 0x3; // max in r1 is 3 |
| R1.H = 0x2; |
| |
| R0.L = 0x7; // max in r0 is 7 |
| R0.H = 0x6; |
| |
| R6 = VIT_MAX( R1 , R0 ) (ASR); |
| |
| DBGA ( R6.L , 0x0007 ); |
| DBGA ( R6.H , 0x0003 ); |
| R7 = A0.w; |
| DBGA ( R7.L , 0x2000 ); |
| DBGA ( R7.H , 0x0000 ); |
| R7.L = A0.x; |
| DBGA ( R7.L , 0x0000 ); |
| |
| // Test for correct max when one value overflows |
| A0 = 0; |
| R1.L = 0x7fff; // max in r1 is 0x8001 (overflowed) |
| R1.H = 0x8001; |
| |
| R0.L = 0x6; // max in r0 is 7 |
| R0.H = 0x7; |
| |
| R6 = VIT_MAX( R1 , R0 ) (ASR); |
| |
| DBGA ( R6.L , 0x0007 ); |
| DBGA ( R6.H , 0x8001 ); |
| R7 = A0.w; |
| DBGA ( R7.L , 0x0000 ); |
| DBGA ( R7.H , 0xc000 ); |
| R7.L = A0.x; |
| DBGA ( R7.L , 0x0000 ); |
| |
| pass |
