__WFE, __WFI, __YIELD
In this section:
Syntax
void __xxx(void);Description
Inserts the specified instruction.
These intrinsic functions require architecture Armv7 for Arm mode, and Armv6-M, or Armv7 for Thumb mode.
These intrinsic functions are equivalent to the Arm C Language Extensions (ACLE) intrinsic functions __wfe, __wfi, and __yield.
Note
These intrinsic functions cannot be used in 64-bit mode.
Note
To use intrinsic functions in an application, you must include the header file(s) where they are declared, see Summary of intrinsic functions.