### warn_illegal_instructions

Controls the recognition of assembly instructions not available to an Intel x86 processor.

##### Syntax

#pragma warn_illegal_instructions on | off | reset

##### Targets

Intel x86

##### Remarks

If you enable this pragma, the compiler displays a warning when it encounters an assembly language instruction that is not available on the Intel x86 processor for which the compiler is generating object code.

To check this setting, use __option (warn_illegal_instructions), described in Checking Settings.