An unknown argument was given to the instruction_set
attribute.
Erroneous code example:
#![feature(isa_attribute)] #[instruction_set(intel::x64)] // error: invalid argument pub fn something() {} fn main() {}
The instruction_set
attribute only supports two arguments currently:
All other arguments given to the instruction_set
attribute will return this error. Example:
#![feature(isa_attribute)] #[cfg_attr(target_arch="arm", instruction_set(arm::a32))] // ok! pub fn something() {} fn main() {}
For more information see the instruction_set
attribute section of the Reference.