uint64_t helper_fsqrt(CPUPPCState *env, uint64_t arg) { CPU_DoubleU farg; farg.ll = arg; if (unlikely(float64_is_neg(farg.d) && !float64_is_zero(farg.d))) { /* Square root of a negative nonzero number */ farg.ll = fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSQRT); } else { if (unlikely(float64_is_signaling_nan(farg.d))) { /* sNaN square root */ fload_invalid_op_excp(env, POWERPC_EXCP_FP_VXSNAN); } farg.d = float64_sqrt(farg.d, &env->fp_status); } return farg.ll; }