From cd1b09b25b57c1fb09a50ded1d6852a5a1cb6377 Mon Sep 17 00:00:00 2001 From: Tim Northover Date: Sat, 4 May 2013 16:54:00 +0000 Subject: AArch64: support large code model for jump-tables git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@181119 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/AArch64/AArch64ISelLowering.cpp | 23 ++++++++++++++++++----- 1 file changed, 18 insertions(+), 5 deletions(-) (limited to 'lib/Target/AArch64') diff --git a/lib/Target/AArch64/AArch64ISelLowering.cpp b/lib/Target/AArch64/AArch64ISelLowering.cpp index 2a2a0a6..dfc5ad0 100644 --- a/lib/Target/AArch64/AArch64ISelLowering.cpp +++ b/lib/Target/AArch64/AArch64ISelLowering.cpp @@ -2133,14 +2133,27 @@ SDValue AArch64TargetLowering::LowerJumpTable(SDValue Op, SelectionDAG &DAG) const { JumpTableSDNode *JT = cast(Op); DebugLoc dl = JT->getDebugLoc(); + EVT PtrVT = getPointerTy(); // When compiling PIC, jump tables get put in the code section so a static // relocation-style is acceptable for both cases. - return DAG.getNode(AArch64ISD::WrapperSmall, dl, getPointerTy(), - DAG.getTargetJumpTable(JT->getIndex(), getPointerTy()), - DAG.getTargetJumpTable(JT->getIndex(), getPointerTy(), - AArch64II::MO_LO12), - DAG.getConstant(1, MVT::i32)); + switch (getTargetMachine().getCodeModel()) { + case CodeModel::Small: + return DAG.getNode(AArch64ISD::WrapperSmall, dl, PtrVT, + DAG.getTargetJumpTable(JT->getIndex(), PtrVT), + DAG.getTargetJumpTable(JT->getIndex(), PtrVT, + AArch64II::MO_LO12), + DAG.getConstant(1, MVT::i32)); + case CodeModel::Large: + return DAG.getNode( + AArch64ISD::WrapperLarge, dl, PtrVT, + DAG.getTargetJumpTable(JT->getIndex(), PtrVT, AArch64II::MO_ABS_G3), + DAG.getTargetJumpTable(JT->getIndex(), PtrVT, AArch64II::MO_ABS_G2_NC), + DAG.getTargetJumpTable(JT->getIndex(), PtrVT, AArch64II::MO_ABS_G1_NC), + DAG.getTargetJumpTable(JT->getIndex(), PtrVT, AArch64II::MO_ABS_G0_NC)); + default: + llvm_unreachable("Only small and large code models supported now"); + } } // (SELECT_CC lhs, rhs, iftrue, iffalse, condcode) -- cgit v1.1