- (frob %unary-truncate single-reg single-float cvttq/c_sv t)
- (frob %unary-truncate double-reg double-float cvttq/c_sv)
+ (frob %unary-truncate/single-float single-reg single-float cvttq/c_sv t)
+ (frob %unary-truncate/double-float double-reg double-float cvttq/c_sv)