Changeset [91d628ac60580a75011e49f1fcad4b3aa720ea4e] by Paul Blinzer

September 23rd, 2017 @ 10:08 PM

New AMD Excavator MONITORX, MWAITX instruction support (for 32bit/64bit) (#78)

MONITORX has opcode "0F 01 FA".
rAX contains address to be monitored
ECX specifies optional extensions
EDX specifies optional hints

MWAITX has opcode "0F 01 FA".
EAX specifies optional hints
ECX specifies optional extensions

Public documentation:

New CLZERO instruction support (for 32bit/64bit)
* clzero has opcode "0F 01 FC". * clzero gets enabled with CPUID, 8000_0008, EBX[0] =1. * clzero instruction zero's out the 64 byte cache line specified in rAX. Bits 5:0 of rAX are ignored

Copyright (c) 2016 Advanced Micro Devices, Inc. All rights reserved.
Redistributed under simplified 2-clause BSD licence

Committed by Paul Blinzer

  • M modules/arch/x86/
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