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Merging r196755:

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r196755 | venkatra | 2013-12-08 21:13:25 -0800 (Sun, 08 Dec 2013) | 2 lines

[SPARCV9]: Adjust the resultant pointer of DYNAMIC_STACKALLOC with the stack BIAS on sparcV9.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/branches/release_34@196764 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Bill Wendling 2013-12-09 08:55:55 +00:00
parent b73a4ab9d6
commit 571a02f291
2 changed files with 6 additions and 4 deletions
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8
lib/Target/Sparc/SparcISelLowering.cpp
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@ -2298,7 +2298,7 @@ static SDValue LowerVAARG(SDValue Op, SelectionDAG &DAG) {
}
static SDValue LowerDYNAMIC_STACKALLOC(SDValue Op, SelectionDAG &DAG,
bool is64Bit) {
const SparcSubtarget *Subtarget) {
SDValue Chain = Op.getOperand(0); // Legalize the chain.
SDValue Size = Op.getOperand(1); // Legalize the size.
EVT VT = Size->getValueType(0);
@ -2311,7 +2311,9 @@ static SDValue LowerDYNAMIC_STACKALLOC(SDValue Op, SelectionDAG &DAG,
// The resultant pointer is actually 16 words from the bottom of the stack,
// to provide a register spill area.
unsigned regSpillArea = (is64Bit) ? 128 : 96;
unsigned regSpillArea = Subtarget->is64Bit() ? 128 : 96;
regSpillArea += Subtarget->getStackPointerBias();
SDValue NewVal = DAG.getNode(ISD::ADD, dl, VT, NewSP,
DAG.getConstant(regSpillArea, VT));
SDValue Ops[2] = { NewVal, Chain };
@ -2638,7 +2640,7 @@ LowerOperation(SDValue Op, SelectionDAG &DAG) const {
case ISD::VASTART: return LowerVASTART(Op, DAG, *this);
case ISD::VAARG: return LowerVAARG(Op, DAG);
case ISD::DYNAMIC_STACKALLOC: return LowerDYNAMIC_STACKALLOC(Op, DAG,
is64Bit);
Subtarget);
case ISD::LOAD: return LowerF128Load(Op, DAG);
case ISD::STORE: return LowerF128Store(Op, DAG);

2
test/CodeGen/SPARC/2013-05-17-CallFrame.ll
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@ -10,7 +10,7 @@
; SPARC64-LABEL: variable_alloca_with_adj_call_stack
; SPARC64: save %sp, -128, %sp
; SPARC64: add {{.+}}, 128, %o0
; SPARC64: add {{.+}}, 2175, %o0
; SPARC64: add %sp, -80, %sp
; SPARC64: call foo
; SPARC64: add %sp, 80, %sp