1// Test extraction from accumulators: 2// SCALE in SIGNED INTEGER mode 3# mach: bfin 4 5.include "testutils.inc" 6 start 7 8 9// load r0=0x00000fff 10// load r1=0x00007fff 11// load r2=0xffffffff 12// load r3=0xffff0fff 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// SCALE 22// 0x0000000fff -> SCALE 0x1ffe 23 A1 = A0 = 0; 24 A1.w = R0; 25 A0.w = R0; 26 R5.H = A1, R5.L = A0 (ISS2); 27 DBGA ( R5.L , 0x1ffe ); 28 DBGA ( R5.H , 0x1ffe ); 29 30// SCALE 31// 0x0000007fff -> SCALE 0x7fff 32 A1 = A0 = 0; 33 A1.w = R1; 34 A0.w = R1; 35 R5.H = A1, R5.L = A0 (ISS2); 36 DBGA ( R5.L , 0x7fff ); 37 DBGA ( R5.H , 0x7fff ); 38 39// SCALE 40// 0xffffffffff -> SCALE 0xfffe 41 A1 = A0 = 0; 42 A1.w = R2; 43 A0.w = R2; 44 A1.x = R4.L; 45 A0.x = R4.L; 46 R5.H = A1, R5.L = A0 (ISS2); 47 DBGA ( R5.L , 0xfffe ); 48 DBGA ( R5.H , 0xfffe ); 49 50// SCALE 51// 0xffffff0fff -> SCALE 0x8000 52 A1 = A0 = 0; 53 A1.w = R3; 54 A0.w = R3; 55 A1.x = R4.L; 56 A0.x = R4.L; 57 R5.H = A1, R5.L = A0 (ISS2); 58 DBGA ( R5.L , 0x8000 ); 59 DBGA ( R5.H , 0x8000 ); 60 61 pass 62 63 .data 64data0: 65 .dw 0x0fff 66 .dw 0x0000 67 .dw 0x7fff 68 .dw 0x0000 69 .dw 0xffff 70 .dw 0xffff 71 .dw 0x0fff 72 .dw 0xffff 73 .dw 0x00ff 74 .dw 0x0000 75