// Test extraction from accumulators: // SCALE in SIGNED FRACTIONAL mode # mach: bfin .include "testutils.inc" start // load r0=0x3fff0000 // load r1=0x0fffc000 // load r2=0x7ff00000 // load r3=0x80100000 // load r4=0x000000ff loadsym P0, data0; R0 = [ P0 ++ ]; R1 = [ P0 ++ ]; R2 = [ P0 ++ ]; R3 = [ P0 ++ ]; R4 = [ P0 ++ ]; // SCALE // 0x003fff0000 -> SCALE 0x7ffe A1 = A0 = 0; A1.w = R0; A0.w = R0; R5.H = A1, R5.L = A0 (S2RND); DBGA ( R5.L , 0x7ffe ); DBGA ( R5.H , 0x7ffe ); // SCALE // 0x000fffc000 -> SCALE 0x2000 A1 = A0 = 0; A1.w = R1; A0.w = R1; R5.H = A1, R5.L = A0 (S2RND); DBGA ( R5.L , 0x2000 ); DBGA ( R5.H , 0x2000 ); // SCALE // 0x007ff00000 -> SCALE 0x7fff A1 = A0 = 0; A1.w = R2; A0.w = R2; R5.H = A1, R5.L = A0 (S2RND); DBGA ( R5.L , 0x7fff ); DBGA ( R5.H , 0x7fff ); // SCALE // 0xff80100000 -> 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 (S2RND); DBGA ( R5.L , 0x8000 ); DBGA ( R5.H , 0x8000 ); pass .data; data0: .dw 0x0000 .dw 0x3fff .dw 0xc000 .dw 0x0fff .dw 0x0000 .dw 0x7ff0 .dw 0x0000 .dw 0x8010 .dw 0x00ff .dw 0x0000