#include #include #include void test(int32_t op1_init, int32_t op2_init, int32_t op3_init, int expected_cc) { register int32_t op1 asm("8") = op1_init; register int32_t op3 asm("9") = op3_init; int32_t op2 = op2_init; int cc = 1 - expected_cc; printf("before op1 = %#x\n", op1); printf("before op2 = %#x\n", op2); printf("before op3 = %#x\n", op3); __asm__ volatile ( "cs 8,9,%1\n\t" "ipm %0\n\t" "srl %0,28\n\t" : "=d" (cc), "+Q" (op2), "+d"(op1), "+d"(op3) : : "cc"); printf("after op1 = %#x\n", op1); printf("after op2 = %#x\n", op2); printf("after op3 = %#x\n", op3); printf("cc = %d\n", cc); if (cc != expected_cc) { printf("condition code is incorrect\n"); } if (expected_cc == 0) { if (op2 != op3) { printf("operand #2 not updated\n"); } } else { if (op1 != op2) { printf("operand #1 not updated\n"); } } } int main () { test(0x10000000, 0x10000000, 0x12345678, 0); test(0x10000000, 0x20000000, 0x12345678, 1); return 0; }