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__sev intrinsic

This intrinsic inserts a SEV instruction into the instruction stream generated by the compiler.

In some architectures, for example the v6T2 architecture, the SEV instruction executes as a NOP instruction.

Syntax

void __sev(void)

Errors

The compiler does not recognize the __sev intrinsic when compiling for a target that does not support the SEV instruction. The compiler generates either a warning or an error in this case, depending on the source language:

  • In C code: Warning: #223-D: function "__sev" declared implicitly.
  • In C++ code: Error: #20: identifier "__sev" is undefined.
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