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Are Intel's non-volatile memory instructions CLWB and PCOMMIT available in gcc ? If yes, starting from which gcc version are they available?

rojo
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  • Do you mean Intel intrinsics? (Intel's intrinsics guide doesn't list any for those insns) Or gcc `__builtin_something()`? GNU C inline asm lets you use arbitrary asm instructions. Of course, the assembler has to understand them, unless you use `.byte` pseudo-instructions to emit the encoding yourself. Is that what you're asking? – Peter Cordes Mar 17 '16 at 13:44
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    @peter: Apologies for late reply. I am looking for the gcc version in which the assembler can understand CLWB and PCOMMIT instructions. I do agree that we can directly use their byte codes in the code but from the version on which they are available this would not be necessary. – rojo Mar 22 '16 at 21:23

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