6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-07-16 11:24:39 +00:00
Code Issues Projects Releases Wiki Activity

Allow {e,r}bp as the target of {read,write}_register.

Browse Source 
This patch allows the read_register and write_register intrinsics to
read/write the RBP/EBP registers on X86 iff the targeted register is
the frame pointer for the containing function.

Differential Revision: http://reviews.llvm.org/D10977

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@241827 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Pat Gavlin
2015-07-09 17:40:29 +00:00
parent dc219dddde
commit db5a82b861
14 changed files with 90 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

6
lib/CodeGen/SelectionDAG/SelectionDAGISel.cpp
View File

@@ -1932,7 +1932,8 @@ SDNode
MDNodeSDNode *MD = dyn_cast<MDNodeSDNode>(Op->getOperand(1));
const MDString *RegStr = dyn_cast<MDString>(MD->getMD()->getOperand(0));
unsigned Reg =
TLI->getRegisterByName(RegStr->getString().data(), Op->getValueType(0));
TLI->getRegisterByName(RegStr->getString().data(), Op->getValueType(0),
*CurDAG);
SDValue New = CurDAG->getCopyFromReg(
Op->getOperand(0), dl, Reg, Op->getValueType(0));
New->setNodeId(-1);
@@ -1945,7 +1946,8 @@ SDNode
MDNodeSDNode *MD = dyn_cast<MDNodeSDNode>(Op->getOperand(1));
const MDString *RegStr = dyn_cast<MDString>(MD->getMD()->getOperand(0));
unsigned Reg = TLI->getRegisterByName(RegStr->getString().data(),
Op->getOperand(2).getValueType());
Op->getOperand(2).getValueType(),
*CurDAG);
SDValue New = CurDAG->getCopyToReg(
Op->getOperand(0), dl, Reg, Op->getOperand(2));
New->setNodeId(-1);