6502/llvm-6502
1
0
Fork 0
mirror of https://github.com/c64scene-ar/llvm-6502.git synced 2025-09-24 23:28:41 +00:00
Code Issues Projects Releases Wiki Activity

Reapply address space patch after fixing an issue in MemCopyOptimizer.

Browse Source 
Added support for address spaces and added a isVolatile field to memcpy, memmove, and memset,
e.g., llvm.memcpy.i32(i8*, i8*, i32, i32) -> llvm.memcpy.p0i8.p0i8.i32(i8*, i8*, i32, i32, i1)


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@100191 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Mon P Wang
2010-04-02 18:04:15 +00:00
parent a6194b3a2a
commit e33c848fa4
28 changed files with 314 additions and 143 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
lib/Target/ARM/ARMISelLowering.cpp
View File

@@ -861,7 +861,8 @@ CreateCopyOfByValArgument(SDValue Src, SDValue Dst, SDValue Chain,
DebugLoc dl) {
SDValue SizeNode = DAG.getConstant(Flags.getByValSize(), MVT::i32);
return DAG.getMemcpy(Chain, dl, Dst, Src, SizeNode, Flags.getByValAlign(),
/*AlwaysInline=*/false, NULL, 0, NULL, 0);
/*isVolatile=*/false, /*AlwaysInline=*/false,
NULL, 0, NULL, 0);
}
/// LowerMemOpCallTo - Store the argument to the stack.
@@ -2053,7 +2054,7 @@ ARMTargetLowering::EmitTargetCodeForMemcpy(SelectionDAG &DAG, DebugLoc dl,
SDValue Chain,
SDValue Dst, SDValue Src,
SDValue Size, unsigned Align,
bool AlwaysInline,
bool isVolatile, bool AlwaysInline,
const Value *DstSV, uint64_t DstSVOff,
const Value *SrcSV, uint64_t SrcSVOff){
// Do repeated 4-byte loads and stores. To be improved.
@@ -2089,7 +2090,7 @@ ARMTargetLowering::EmitTargetCodeForMemcpy(SelectionDAG &DAG, DebugLoc dl,
Loads[i] = DAG.getLoad(VT, dl, Chain,
DAG.getNode(ISD::ADD, dl, MVT::i32, Src,
DAG.getConstant(SrcOff, MVT::i32)),
SrcSV, SrcSVOff + SrcOff, false, false, 0);
SrcSV, SrcSVOff + SrcOff, isVolatile, false, 0);
TFOps[i] = Loads[i].getValue(1);
SrcOff += VTSize;
}
@@ -2100,7 +2101,7 @@ ARMTargetLowering::EmitTargetCodeForMemcpy(SelectionDAG &DAG, DebugLoc dl,
TFOps[i] = DAG.getStore(Chain, dl, Loads[i],
DAG.getNode(ISD::ADD, dl, MVT::i32, Dst,
DAG.getConstant(DstOff, MVT::i32)),
DstSV, DstSVOff + DstOff, false, false, 0);
DstSV, DstSVOff + DstOff, isVolatile, false, 0);
DstOff += VTSize;
}
Chain = DAG.getNode(ISD::TokenFactor, dl, MVT::Other, &TFOps[0], i);