uint32_t HELPER(lcxbr)(CPUS390XState *env, uint32_t f1, uint32_t f2) { CPU_QuadU x1, x2; x2.ll.upper = env->fregs[f2].ll; x2.ll.lower = env->fregs[f2 + 2].ll; x1.q = float128_chs(x2.q); env->fregs[f1].ll = x1.ll.upper; env->fregs[f1 + 2].ll = x1.ll.lower; return set_cc_nz_f128(x1.q); }