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[X86] Introduce cldemote instruction
authorGabor Buella <gabor.buella@intel.com>
Fri, 13 Apr 2018 07:35:08 +0000 (07:35 +0000)
committerGabor Buella <gabor.buella@intel.com>
Fri, 13 Apr 2018 07:35:08 +0000 (07:35 +0000)
commit31add1057f7db6b20fd98ae46accac644d81a3a6
tree6fae2d6b13be1e43741f87927c53cf8b6f8d4b74
parent4f9163a74d905ff6f55a0e30fc588a099abc3925
[X86] Introduce cldemote instruction

Hint to hardware to move the cache line containing the
address to a more distant level of the cache without
writing back to memory.

Reviewers: craig.topper, zvi

Reviewed By: craig.topper

Differential Revision: https://reviews.llvm.org/D45256

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@329992 91177308-0d34-0410-b5e6-96231b3b80d8
include/llvm/IR/IntrinsicsX86.td
lib/Support/Host.cpp
lib/Target/X86/X86.td
lib/Target/X86/X86InstrInfo.td
lib/Target/X86/X86Subtarget.cpp
lib/Target/X86/X86Subtarget.h
test/CodeGen/X86/cldemote-intrinsic.ll [new file with mode: 0644]
test/MC/Disassembler/X86/x86-32.txt
test/MC/Disassembler/X86/x86-64.txt
test/MC/X86/x86-32-coverage.s
test/MC/X86/x86-64.s