Skip to content
Blame History Permalink
  • Bill Wendling's avatar
    The MONITOR and MWAIT instructions have insufficient information for · 2e09bd3d
    Bill Wendling authored 
    decoding. Essentially, they both map to the same column in the "opcode
extensions for one- and two-byte opcodes" table in the x86 manual. The RawFrm
complicates decoding this.

Instead, use opcode 0x01, prefix 0x01, and form MRM1r. Then have the code
emitter special case these, a la [SML]FENCE.

llvm-svn: 72556
    2e09bd3d