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_xtest from User and Reference Guide for the Intel® C++ Compiler 15.0

Queries whether the processor is executing in a transactional region identified by restricted transactional memory (RTM) or hardware lock elision (HLE). The corresponding Intel® AVX2 instruction is XTEST.

Last updated on 07/05/2015 - 17:00
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_pext_u32/64 from User and Reference Guide for the Intel® C++ Compiler 15.0

Transfer either contiguous or non-contiguous bits in the first source operand to contiguous low order bit positions in the destination according to the mask values. The corresponding Intel® AVX2 instruction is PEXT.

Last updated on 07/05/2015 - 17:00
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Documentation

_xabort from User and Reference Guide for the Intel® C++ Compiler 15.0

Forces a restricted transactional memory (RTM) region to abort. The corresponding Intel® AVX2 instruction is XABORT.

Last updated on 07/05/2015 - 17:00
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For more complete information about compiler optimizations, see our Optimization Notice.