1// Test extraction from accumulators: 2// UNSIGNED FRACTIONAL and SIGNED INT mode into register PAIR 3# mach: bfin 4 5.include "testutils.inc" 6 start 7 8 9// load r0=0x7ffffff0 10// load r1=0xfffffff0 11// load r2=0x0fffffff 12// load r3=0x00000001 13// load r4=0x000000ff 14 loadsym P0, data0; 15 R0 = [ P0 ++ ]; 16 R1 = [ P0 ++ ]; 17 R2 = [ P0 ++ ]; 18 R3 = [ P0 ++ ]; 19 R4 = [ P0 ++ ]; 20 21// extract 22// 0x00fffffff0 -> 0xffffffff0 23 A1 = A0 = 0; 24 A1.w = R1; 25 A0.w = R1; 26 R7 = A1, R6 = A0 (FU); 27 DBGA ( R7.L , 0xfff0 ); 28 DBGA ( R7.H , 0xffff ); 29 DBGA ( R6.L , 0xfff0 ); 30 DBGA ( R6.H , 0xffff ); 31 32// extract with saturation 33// 0x01fffffff0 -> 0xfffffffff 34 A1 = A0 = 0; 35 A1.w = R1; 36 A0.w = R1; 37 A1.x = R3.L; 38 A0.x = R3.L; 39 R7 = A1, R6 = A0 (FU); 40 DBGA ( R7.L , 0xffff ); 41 DBGA ( R7.H , 0xffff ); 42 DBGA ( R6.L , 0xffff ); 43 DBGA ( R6.H , 0xffff ); 44 45// extract with saturation 46// 0xfffffffff0 -> 0xfffffffff 47 A1 = A0 = 0; 48 A1.w = R1; 49 A0.w = R1; 50 A1.x = R4.L; 51 A0.x = R4.L; 52 R7 = A1, R6 = A0 (FU); 53 DBGA ( R7.L , 0xffff ); 54 DBGA ( R7.H , 0xffff ); 55 DBGA ( R6.L , 0xffff ); 56 DBGA ( R6.H , 0xffff ); 57 58// extract unsigned 59// 0x00fffffff0 -> 0xffffffff0 60 A1 = A0 = 0; 61 A1.w = R1; 62 A0.w = R1; 63 R7 = A1, R6 = A0 (FU); 64 DBGA ( R7.L , 0xfff0 ); 65 DBGA ( R7.H , 0xffff ); 66 DBGA ( R6.L , 0xfff0 ); 67 DBGA ( R6.H , 0xffff ); 68 69 pass 70 71 .data 72data0: 73 .dw 0xfff0 74 .dw 0x7fff 75 .dw 0xfff0 76 .dw 0xffff 77 .dw 0xffff 78 .dw 0x0fff 79 .dw 0x0001 80 .dw 0x0000 81 .dw 0x00ff 82 .dw 0x0000 83