-
reordering barrier on
cache flushes/writebacks
performed with the CLFLUSH,
CLFLUSHOPT and CLWB instructions. (Older AMD CPUs
require MFENCE to
order CLFLUSH...
- RDRAND, TXT, FSGSBASE, MOVBE, F16C, BMI, BMI2, RDSEED, ADCX, PREFETCHW,
CLFLUSHOPT, XSAVE, MPX, TSX, VT-x, VT-d
Physical specifications Cores 16-28 Socket...
- MWAITX/MONITORX — SME, TSME, ADX, SHA, RDSEED, SMAP, SMEP, XSAVEC, XSAVES, XRSTORS,
CLFLUSHOPT, CLZERO, and PTE
Coalescing — — GMET, WBNOINVD, CLWB, QOS, PQE-BW, RDPID...
- MWAITX/MONITORX — SME, TSME, ADX, SHA, RDSEED, SMAP, SMEP, XSAVEC, XSAVES, XRSTORS,
CLFLUSHOPT, CLZERO, and PTE
Coalescing — — GMET, WBNOINVD, CLWB, QOS, PQE-BW, RDPID...
- MWAITX/MONITORX — SME, TSME, ADX, SHA, RDSEED, SMAP, SMEP, XSAVEC, XSAVES, XRSTORS,
CLFLUSHOPT, CLZERO, and PTE
Coalescing — — GMET, WBNOINVD, CLWB, QOS, PQE-BW, RDPID...
- MWAITX/MONITORX — SME, TSME, ADX, SHA, RDSEED, SMAP, SMEP, XSAVEC, XSAVES, XRSTORS,
CLFLUSHOPT, CLZERO, and PTE
Coalescing — — GMET, WBNOINVD, CLWB, QOS, PQE-BW, RDPID...
- MWAITX/MONITORX — SME, TSME, ADX, SHA, RDSEED, SMAP, SMEP, XSAVEC, XSAVES, XRSTORS,
CLFLUSHOPT, CLZERO, and PTE
Coalescing — — GMET, WBNOINVD, CLWB, QOS, PQE-BW, RDPID...
- writing, the ISA book (at
revision 19,
dated May 2014) do****ents the
CLFLUSHOPT bit in leaf 7, but the big
manuals although apparently more up-to-date...
- MWAITX/MONITORX — SME, TSME, ADX, SHA, RDSEED, SMAP, SMEP, XSAVEC, XSAVES, XRSTORS,
CLFLUSHOPT, CLZERO, and PTE
Coalescing — — GMET, WBNOINVD, CLWB, QOS, PQE-BW, RDPID...
- in Broadwell.
Support for the SMAP, SMEP, XSAVEC/XSAVES/XRSTORS, and
CLFLUSHOPT instructions. ADX support. SHA support.
CLZERO instruction for clearing...