// ALU test program. // Test instructions // r7 = +/+ (r0,r1); // r7 = +/+ (r0,r1) s; // r7 = +/+ (r0,r1) sx; # mach: bfin .include "testutils.inc" start // one result overflows positive R0.L = 0x0001; R0.H = 0x0010; R1.L = 0x7fff; R1.H = 0x0010; R7 = 0; ASTAT = R7; R7 = R0 +|+ R1; DBGA ( R7.L , 0x8000 ); DBGA ( R7.H , 0x0020 ); CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 ); CC = AN; R7 = CC; DBGA ( R7.L , 0x1 ); CC = V; R7 = CC; DBGA ( R7.L , 0x1 ); CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 ); // one result overflows negative R0.L = 0xffff; R0.H = 0x0010; R1.L = 0x8000; R1.H = 0x0010; R7 = 0; ASTAT = R7; R7 = R0 +|+ R1; DBGA ( R7.L , 0x7fff ); DBGA ( R7.H , 0x0020 ); CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 ); CC = AN; R7 = CC; DBGA ( R7.L , 0x0 ); CC = V; R7 = CC; DBGA ( R7.L , 0x1 ); CC = AC0; R7 = CC; DBGA ( R7.L , 0x1 ); // one result zero R0.L = 0x0001; R0.H = 0xffff; R1.L = 0x0001; R1.H = 0x0001; R7 = 0; ASTAT = R7; R7 = R0 +|+ R1; DBGA ( R7.L , 0x0002 ); DBGA ( R7.H , 0x0000 ); CC = AZ; R5 = CC; DBGA ( R5.L , 0x1 ); CC = AN; R5 = CC; DBGA ( R5.L , 0x0 ); CC = V; R5 = CC; DBGA ( R5.L , 0x0 ); CC = AC0; R5 = CC; DBGA ( R5.L , 0x0 ); // one result saturates positive R0.L = 0x0001; R0.H = 0x0010; R1.L = 0x7fff; R1.H = 0x0010; R7 = 0; ASTAT = R7; R7 = R0 +|+ R1 (S); DBGA ( R7.L , 0x7fff ); DBGA ( R7.H , 0x0020 ); CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 ); CC = AN; R7 = CC; DBGA ( R7.L , 0x0 ); CC = V; R7 = CC; DBGA ( R7.L , 0x1 ); CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 ); // one result saturates negative R0.L = 0xffff; R0.H = 0x0010; R1.L = 0x8000; R1.H = 0x0010; R7 = 0; ASTAT = R7; R7 = R0 +|+ R1 (S); DBGA ( R7.L , 0x8000 ); DBGA ( R7.H , 0x0020 ); CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 ); CC = AN; R7 = CC; DBGA ( R7.L , 0x1 ); CC = V; R7 = CC; DBGA ( R7.L , 0x1 ); CC = AC0; R7 = CC; DBGA ( R7.L , 0x1 ); // two results saturates negative R0.L = 0xffff; R0.H = 0xfff0; R1.L = 0x8000; R1.H = 0x8000; R7 = 0; ASTAT = R7; R7 = R0 +|+ R1 (S); DBGA ( R7.L , 0x8000 ); DBGA ( R7.H , 0x8000 ); CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 ); CC = AN; R7 = CC; DBGA ( R7.L , 0x1 ); CC = V; R7 = CC; DBGA ( R7.L , 0x1 ); CC = AC0; R7 = CC; DBGA ( R7.L , 0x1 ); // one result overflows positive and cross R0.L = 0x0001; R0.H = 0x0010; R1.L = 0x7fff; R1.H = 0x0010; R7 = 0; ASTAT = R7; R7 = R0 +|+ R1 (CO); DBGA ( R7.L , 0x0020 ); DBGA ( R7.H , 0x8000 ); CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 ); CC = AN; R7 = CC; DBGA ( R7.L , 0x1 ); CC = V; R7 = CC; DBGA ( R7.L , 0x1 ); CC = AC0; R7 = CC; DBGA ( R7.L , 0x0 ); // one result saturates negative and cross R0.L = 0xffff; R0.H = 0x0010; R1.L = 0x8000; R1.H = 0x0010; R7 = 0; ASTAT = R7; R7 = R0 +|+ R1 (SCO); DBGA ( R7.L , 0x0020 ); DBGA ( R7.H , 0x8000 ); CC = AZ; R7 = CC; DBGA ( R7.L , 0x0 ); CC = AN; R7 = CC; DBGA ( R7.L , 0x1 ); CC = V; R7 = CC; DBGA ( R7.L , 0x1 ); CC = AC0; R7 = CC; DBGA ( R7.L , 0x1 ); pass