// Test ALU NEG accumulators # mach: bfin .include "testutils.inc" start R0 = 0xffffffff; A0.w = R0; R0 = 0x7f (X); A0.x = R0; A0 = - A0; _DBG A0; R4 = A0.w; R5 = A0.x; DBGA ( R4.H , 0x0000 ); DBGA ( R4.L , 0x0001 ); DBGA ( R5.H , 0xffff ); DBGA ( R5.L , 0xff80 ); R0 = 0x1; A0.w = R0; R0 = 0x0; A0.x = R0; A0 = - A0; R4 = A0.w; R5 = A0.x; _DBG A0; DBGA ( R4.H , 0xffff ); DBGA ( R4.L , 0xffff ); DBGA ( R5.H , 0xffff ); DBGA ( R5.L , 0xffff ); R0 = 0xffffffff; A0.w = R0; R0 = 0xff (X); A0.x = R0; A0 = - A0; R4 = A0.w; R5 = A0.x; DBGA ( R4.H , 0x0000 ); DBGA ( R4.L , 0x0001 ); DBGA ( R5.H , 0x0000 ); DBGA ( R5.L , 0x0000 ); R0 = 0x00000000; A0.w = R0; R0 = 0x80 (X); A0.x = R0; A0 = - A0; R4 = A0.w; R5 = A0.x; DBGA ( R4.H , 0xffff ); DBGA ( R4.L , 0xffff ); DBGA ( R5.H , 0x0000 ); DBGA ( R5.L , 0x007f ); // NEG NEG R0 = 0x00000000; A0.w = R0; R0 = 0x80 (X); A0.x = R0; R0 = 0xffffffff; A1.w = R0; R0 = 0x7f (X); A1.x = R0; A1 = - A1, A0 = - A0; R4 = A0.w; R5 = A0.x; DBGA ( R4.H , 0xffff ); DBGA ( R4.L , 0xffff ); DBGA ( R5.H , 0x0000 ); DBGA ( R5.L , 0x007f ); R4 = A1.w; R5 = A1.x; _DBG A1; DBGA ( R4.H , 0x0000 ); DBGA ( R4.L , 0x0001 ); DBGA ( R5.H , 0xffff ); DBGA ( R5.L , 0xff80 ); // NEG NEG register R0.L = 0x0001; R0.H = 0x8000; R3 = - R0 (V); DBGA ( R3.H , 0x7fff ); DBGA ( R3.L , 0xffff ); _DBG ASTAT; pass