diff options
| author | Tim Northover <tnorthover@apple.com> | 2017-12-20 10:45:39 +0000 |
|---|---|---|
| committer | Tim Northover <tnorthover@apple.com> | 2017-12-20 10:45:39 +0000 |
| commit | d2c80d9fc141c25555ccd3c28a7237d7438db004 (patch) | |
| tree | cfb5b546b2bc2e3eccf6a4942309b8aa9da530cb /lib/Target/AArch64 | |
| parent | ea96fe14feb5396d179c4f7681d323b762166e64 (diff) | |
AArch64: fix one more place movi.2d could be created.
Somehow got missed out of r320965.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@321162 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib/Target/AArch64')
| -rw-r--r-- | lib/Target/AArch64/AArch64AsmPrinter.cpp | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/lib/Target/AArch64/AArch64AsmPrinter.cpp b/lib/Target/AArch64/AArch64AsmPrinter.cpp index 67138f41dda..2ff2ee347f5 100644 --- a/lib/Target/AArch64/AArch64AsmPrinter.cpp +++ b/lib/Target/AArch64/AArch64AsmPrinter.cpp @@ -583,6 +583,20 @@ void AArch64AsmPrinter::EmitInstruction(const MachineInstr *MI) { switch (MI->getOpcode()) { default: break; + case AArch64::MOVIv2d_ns: + // If the target has <rdar://problem/16473581>, lower this + // instruction to movi.16b instead. + if (STI->hasZeroCycleZeroingFPWorkaround() && + MI->getOperand(1).getImm() == 0) { + MCInst TmpInst; + TmpInst.setOpcode(AArch64::MOVIv16b_ns); + TmpInst.addOperand(MCOperand::createReg(MI->getOperand(0).getReg())); + TmpInst.addOperand(MCOperand::createImm(MI->getOperand(1).getImm())); + EmitToStreamer(*OutStreamer, TmpInst); + return; + } + break; + case AArch64::DBG_VALUE: { if (isVerbose() && OutStreamer->hasRawTextSupport()) { SmallString<128> TmpStr; |