diff options
| author | Jim Grosbach <grosbach@apple.com> | 2012-06-18 19:45:50 +0000 |
|---|---|---|
| committer | Jim Grosbach <grosbach@apple.com> | 2012-06-18 19:45:50 +0000 |
| commit | 7e99a60857532ca2973cf9dabc790d84a2e15a8a (patch) | |
| tree | a23f18aa057f260d97a803e5f60b751bc411dade /lib/Target/ARM/ARMInstrInfo.cpp | |
| parent | 325bd661ff57787efddc6b302230f22e9c187655 (diff) | |
ARM: Define generic HINT instruction.
The NOP, WFE, WFI, SEV and YIELD instructions are all hints w/
a different immediate value in bits [7,0]. Define a generic HINT
instruction and refactor NOP, WFI, WFI, SEV and YIELD to be
assembly aliases of that.
rdar://11600518
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@158674 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/ARM/ARMInstrInfo.cpp')
| -rw-r--r-- | lib/Target/ARM/ARMInstrInfo.cpp | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/Target/ARM/ARMInstrInfo.cpp b/lib/Target/ARM/ARMInstrInfo.cpp index b8f607eb4c..31b0c41f08 100644 --- a/lib/Target/ARM/ARMInstrInfo.cpp +++ b/lib/Target/ARM/ARMInstrInfo.cpp @@ -31,7 +31,8 @@ ARMInstrInfo::ARMInstrInfo(const ARMSubtarget &STI) /// getNoopForMachoTarget - Return the noop instruction to use for a noop. void ARMInstrInfo::getNoopForMachoTarget(MCInst &NopInst) const { if (hasNOP()) { - NopInst.setOpcode(ARM::NOP); + NopInst.setOpcode(ARM::HINT); + NopInst.addOperand(MCOperand::CreateImm(0)); NopInst.addOperand(MCOperand::CreateImm(ARMCC::AL)); NopInst.addOperand(MCOperand::CreateReg(0)); } else { |