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Diffstat (limited to 'lib/Target/PowerPC/PPCISelLowering.cpp')
-rw-r--r--lib/Target/PowerPC/PPCISelLowering.cpp18
1 files changed, 9 insertions, 9 deletions
diff --git a/lib/Target/PowerPC/PPCISelLowering.cpp b/lib/Target/PowerPC/PPCISelLowering.cpp
index 0e069ec1665f..b3a3c73f6df0 100644
--- a/lib/Target/PowerPC/PPCISelLowering.cpp
+++ b/lib/Target/PowerPC/PPCISelLowering.cpp
@@ -2130,12 +2130,12 @@ static void fixupFuncForFI(SelectionDAG &DAG, int FrameIdx, EVT VT) {
/// Returns true if the address N can be represented by a base register plus
/// a signed 16-bit displacement [r+imm], and if it is not better
-/// represented as reg+reg. If Aligned is true, only accept displacements
-/// suitable for STD and friends, i.e. multiples of 4.
+/// represented as reg+reg. If \p Alignment is non-zero, only accept
+/// displacements that are multiples of that value.
bool PPCTargetLowering::SelectAddressRegImm(SDValue N, SDValue &Disp,
SDValue &Base,
SelectionDAG &DAG,
- bool Aligned) const {
+ unsigned Alignment) const {
// FIXME dl should come from parent load or store, not from address
SDLoc dl(N);
// If this can be more profitably realized as r+r, fail.
@@ -2145,7 +2145,7 @@ bool PPCTargetLowering::SelectAddressRegImm(SDValue N, SDValue &Disp,
if (N.getOpcode() == ISD::ADD) {
int16_t imm = 0;
if (isIntS16Immediate(N.getOperand(1), imm) &&
- (!Aligned || (imm & 3) == 0)) {
+ (!Alignment || (imm % Alignment) == 0)) {
Disp = DAG.getTargetConstant(imm, dl, N.getValueType());
if (FrameIndexSDNode *FI = dyn_cast<FrameIndexSDNode>(N.getOperand(0))) {
Base = DAG.getTargetFrameIndex(FI->getIndex(), N.getValueType());
@@ -2169,7 +2169,7 @@ bool PPCTargetLowering::SelectAddressRegImm(SDValue N, SDValue &Disp,
} else if (N.getOpcode() == ISD::OR) {
int16_t imm = 0;
if (isIntS16Immediate(N.getOperand(1), imm) &&
- (!Aligned || (imm & 3) == 0)) {
+ (!Alignment || (imm % Alignment) == 0)) {
// If this is an or of disjoint bitfields, we can codegen this as an add
// (for better address arithmetic) if the LHS and RHS of the OR are
// provably disjoint.
@@ -2196,7 +2196,7 @@ bool PPCTargetLowering::SelectAddressRegImm(SDValue N, SDValue &Disp,
// If this address fits entirely in a 16-bit sext immediate field, codegen
// this as "d, 0"
int16_t Imm;
- if (isIntS16Immediate(CN, Imm) && (!Aligned || (Imm & 3) == 0)) {
+ if (isIntS16Immediate(CN, Imm) && (!Alignment || (Imm % Alignment) == 0)) {
Disp = DAG.getTargetConstant(Imm, dl, CN->getValueType(0));
Base = DAG.getRegister(Subtarget.isPPC64() ? PPC::ZERO8 : PPC::ZERO,
CN->getValueType(0));
@@ -2206,7 +2206,7 @@ bool PPCTargetLowering::SelectAddressRegImm(SDValue N, SDValue &Disp,
// Handle 32-bit sext immediates with LIS + addr mode.
if ((CN->getValueType(0) == MVT::i32 ||
(int64_t)CN->getZExtValue() == (int)CN->getZExtValue()) &&
- (!Aligned || (CN->getZExtValue() & 3) == 0)) {
+ (!Alignment || (CN->getZExtValue() % Alignment) == 0)) {
int Addr = (int)CN->getZExtValue();
// Otherwise, break this down into an LIS + disp.
@@ -2321,14 +2321,14 @@ bool PPCTargetLowering::getPreIndexedAddressParts(SDNode *N, SDValue &Base,
// LDU/STU can only handle immediates that are a multiple of 4.
if (VT != MVT::i64) {
- if (!SelectAddressRegImm(Ptr, Offset, Base, DAG, false))
+ if (!SelectAddressRegImm(Ptr, Offset, Base, DAG, 0))
return false;
} else {
// LDU/STU need an address with at least 4-byte alignment.
if (Alignment < 4)
return false;
- if (!SelectAddressRegImm(Ptr, Offset, Base, DAG, true))
+ if (!SelectAddressRegImm(Ptr, Offset, Base, DAG, 4))
return false;
}