6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-07-25 13:24:46 +00:00
Code Issues Projects Releases Wiki Activity

Pointer arithmetic should be done with the index the same size as the pointer.

Browse Source 
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@43120 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling
2007-10-18 08:32:37 +00:00
parent 70ba3d4803
commit 90bfc2d105
2 changed files with 29 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
lib/CodeGen/SelectionDAG/LegalizeDAG.cpp
View File

@@ -4134,6 +4134,13 @@ SDOperand SelectionDAGLegalize::ExpandEXTRACT_VECTOR_ELT(SDOperand Op) {
unsigned EltSize = MVT::getSizeInBits(Op.getValueType())/8;
Idx = DAG.getNode(ISD::MUL, Idx.getValueType(), Idx,
DAG.getConstant(EltSize, Idx.getValueType()));
if (MVT::getSizeInBits(Idx.getValueType()) >
MVT::getSizeInBits(TLI.getPointerTy()))
Idx = DAG.getNode(ISD::TRUNCATE, TLI.getPointerTy(), StackPtr);
else
Idx = DAG.getNode(ISD::SIGN_EXTEND, TLI.getPointerTy(), StackPtr);
StackPtr = DAG.getNode(ISD::ADD, Idx.getValueType(), Idx, StackPtr);
Op = DAG.getLoad(Op.getValueType(), Ch, StackPtr, NULL, 0);