SDNode *splitLargeImmediate(unsigned Opcode, SDNode *Node, SDValue Op0,
uint64_t UpperVal, uint64_t LowerVal);
+ // N is a (store (load Y), X) pattern. Return true if it can use an MVC
+ // from Y to X.
bool storeLoadCanUseMVC(SDNode *N) const;
+ // N is a (store (op (load A[0]), (load A[1])), X) pattern. Return true
+ // if A[1 - I] == X and if N can use a block operation like NC from A[I]
+ // to X.
+ bool storeLoadCanUseBlockBinary(SDNode *N, unsigned I) const;
+
public:
SystemZDAGToDAGISel(SystemZTargetMachine &TM, CodeGenOpt::Level OptLevel)
: SelectionDAGISel(TM, OptLevel),
return Or.getNode();
}
-// N is a (store (load ...), ...) pattern. Return true if it can use MVC.
-bool SystemZDAGToDAGISel::storeLoadCanUseMVC(SDNode *N) const {
- StoreSDNode *Store = cast<StoreSDNode>(N);
- LoadSDNode *Load = cast<LoadSDNode>(Store->getValue().getNode());
+// Return true if Load and Store:
+// - are loads and stores of the same size;
+// - do not partially overlap; and
+// - can be decomposed into what are logically individual character accesses
+// without changing the semantics.
+static bool canUseBlockOperation(StoreSDNode *Store, LoadSDNode *Load,
+ AliasAnalysis *AA) {
+ // Check that the two memory operands have the same size.
+ if (Load->getMemoryVT() != Store->getMemoryVT())
+ return false;
- // MVC is logically a bytewise copy, so can't be used for volatile accesses.
+ // Volatility stops an access from being decomposed.
if (Load->isVolatile() || Store->isVolatile())
return false;
- // Prefer not to use MVC if either address can use ... RELATIVE LONG
- // instructions.
- assert(Load->getMemoryVT() == Store->getMemoryVT() &&
- "Should already have checked that the types match");
- uint64_t Size = Load->getMemoryVT().getStoreSize();
- if (Size > 1 && Size <= 8) {
- // Prefer LHRL, LRL and LGRL.
- if (Load->getBasePtr().getOpcode() == SystemZISD::PCREL_WRAPPER)
- return false;
- // Prefer STHRL, STRL and STGRL.
- if (Store->getBasePtr().getOpcode() == SystemZISD::PCREL_WRAPPER)
- return false;
- }
-
// There's no chance of overlap if the load is invariant.
if (Load->isInvariant())
return true;
// If both operands are aligned, they must be equal or not overlap.
+ uint64_t Size = Load->getMemoryVT().getStoreSize();
if (Load->getAlignment() >= Size && Store->getAlignment() >= Size)
return true;
AliasAnalysis::Location(V2, End2, Store->getTBAAInfo()));
}
+bool SystemZDAGToDAGISel::storeLoadCanUseMVC(SDNode *N) const {
+ StoreSDNode *Store = cast<StoreSDNode>(N);
+ LoadSDNode *Load = cast<LoadSDNode>(Store->getValue());
+
+ // Prefer not to use MVC if either address can use ... RELATIVE LONG
+ // instructions.
+ uint64_t Size = Load->getMemoryVT().getStoreSize();
+ if (Size > 1 && Size <= 8) {
+ // Prefer LHRL, LRL and LGRL.
+ if (Load->getBasePtr().getOpcode() == SystemZISD::PCREL_WRAPPER)
+ return false;
+ // Prefer STHRL, STRL and STGRL.
+ if (Store->getBasePtr().getOpcode() == SystemZISD::PCREL_WRAPPER)
+ return false;
+ }
+
+ return canUseBlockOperation(Store, Load, AA);
+}
+
+bool SystemZDAGToDAGISel::storeLoadCanUseBlockBinary(SDNode *N,
+ unsigned I) const {
+ StoreSDNode *StoreA = cast<StoreSDNode>(N);
+ LoadSDNode *LoadA = cast<LoadSDNode>(StoreA->getValue().getOperand(1 - I));
+ LoadSDNode *LoadB = cast<LoadSDNode>(StoreA->getValue().getOperand(I));
+ if (LoadA->isVolatile() ||
+ LoadA->getMemoryVT() != StoreA->getMemoryVT() ||
+ LoadA->getBasePtr() != StoreA->getBasePtr())
+ return false;
+ return canUseBlockOperation(StoreA, LoadB, AA);
+}
+
SDNode *SystemZDAGToDAGISel::Select(SDNode *Node) {
// Dump information about the Node being selected
DEBUG(errs() << "Selecting: "; Node->dump(CurDAG); errs() << "\n");
OPCODE(UDIVREM64);
OPCODE(MVC);
OPCODE(MVC_LOOP);
+ OPCODE(NC);
+ OPCODE(NC_LOOP);
+ OPCODE(OC);
+ OPCODE(OC_LOOP);
+ OPCODE(XC);
+ OPCODE(XC_LOOP);
OPCODE(CLC);
OPCODE(CLC_LOOP);
OPCODE(STRCMP);
case SystemZ::MVCSequence:
case SystemZ::MVCLoop:
return emitMemMemWrapper(MI, MBB, SystemZ::MVC);
+ case SystemZ::NCSequence:
+ case SystemZ::NCLoop:
+ return emitMemMemWrapper(MI, MBB, SystemZ::NC);
+ case SystemZ::OCSequence:
+ case SystemZ::OCLoop:
+ return emitMemMemWrapper(MI, MBB, SystemZ::OC);
+ case SystemZ::XCSequence:
+ case SystemZ::XCLoop:
+ return emitMemMemWrapper(MI, MBB, SystemZ::XC);
case SystemZ::CLCSequence:
case SystemZ::CLCLoop:
return emitMemMemWrapper(MI, MBB, SystemZ::CLC);
// The value of X is passed as an additional operand.
MVC_LOOP,
+ // Similar to MVC and MVC_LOOP, but for logic operations (AND, OR, XOR).
+ NC,
+ NC_LOOP,
+ OC,
+ OC_LOOP,
+ XC,
+ XC_LOOP,
+
// Use CLC to compare two blocks of memory, with the same comments
// as for MVC and MVC_LOOP.
CLC,
def : CopySign128<FP128, (CPSDRdd (EXTRACT_SUBREG FP128:$src1, subreg_high),
(EXTRACT_SUBREG FP128:$src2, subreg_high))>;
-defm LoadStoreF32 : MVCLoadStore<load, store, f32, MVCSequence, 4>;
-defm LoadStoreF64 : MVCLoadStore<load, store, f64, MVCSequence, 8>;
-defm LoadStoreF128 : MVCLoadStore<load, store, f128, MVCSequence, 16>;
+defm LoadStoreF32 : MVCLoadStore<load, f32, MVCSequence, 4>;
+defm LoadStoreF64 : MVCLoadStore<load, f64, MVCSequence, 8>;
+defm LoadStoreF128 : MVCLoadStore<load, f128, MVCSequence, 16>;
//===----------------------------------------------------------------------===//
// Load instructions
let mayLoad = 1, mayStore = 1, Defs = [CC], Uses = [R0W] in
defm MVST : StringRRE<"mvst", 0xB255, z_stpcpy>;
-defm LoadStore8_32 : MVCLoadStore<anyextloadi8, truncstorei8, i32,
- MVCSequence, 1>;
-defm LoadStore16_32 : MVCLoadStore<anyextloadi16, truncstorei16, i32,
- MVCSequence, 2>;
-defm LoadStore32_32 : MVCLoadStore<load, store, i32, MVCSequence, 4>;
-
-defm LoadStore8 : MVCLoadStore<anyextloadi8, truncstorei8, i64,
- MVCSequence, 1>;
-defm LoadStore16 : MVCLoadStore<anyextloadi16, truncstorei16, i64,
- MVCSequence, 2>;
-defm LoadStore32 : MVCLoadStore<anyextloadi32, truncstorei32, i64,
- MVCSequence, 4>;
-defm LoadStore64 : MVCLoadStore<load, store, i64, MVCSequence, 8>;
-
//===----------------------------------------------------------------------===//
// Sign extensions
//===----------------------------------------------------------------------===//
// AND to memory
defm NI : BinarySIPair<"ni", 0x94, 0xEB54, null_frag, uimm8>;
+
+ // Block AND.
+ let mayLoad = 1, mayStore = 1 in
+ defm NC : MemorySS<"nc", 0xD4, z_nc, z_nc_loop>;
}
defm : RMWIByte<and, bdaddr12pair, NI>;
defm : RMWIByte<and, bdaddr20pair, NIY>;
// OR to memory
defm OI : BinarySIPair<"oi", 0x96, 0xEB56, null_frag, uimm8>;
+
+ // Block OR.
+ let mayLoad = 1, mayStore = 1 in
+ defm OC : MemorySS<"oc", 0xD6, z_oc, z_oc_loop>;
}
defm : RMWIByte<or, bdaddr12pair, OI>;
defm : RMWIByte<or, bdaddr20pair, OIY>;
// XOR to memory
defm XI : BinarySIPair<"xi", 0x97, 0xEB57, null_frag, uimm8>;
+
+ // Block XOR.
+ let mayLoad = 1, mayStore = 1 in
+ defm XC : MemorySS<"xc", 0xD7, z_xc, z_xc_loop>;
}
defm : RMWIByte<xor, bdaddr12pair, XI>;
defm : RMWIByte<xor, bdaddr20pair, XIY>;
(i32 63)),
(i32 63)),
(Select64 (LGHI -1), (LGHI 0), uimm8zx4:$valid, uimm8zx4:$cc)>;
+
+// Peepholes for turning scalar operations into block operations.
+defm : BlockLoadStore<anyextloadi8, i32, MVCSequence, NCSequence, OCSequence,
+ XCSequence, 1>;
+defm : BlockLoadStore<anyextloadi16, i32, MVCSequence, NCSequence, OCSequence,
+ XCSequence, 2>;
+defm : BlockLoadStore<load, i32, MVCSequence, NCSequence, OCSequence,
+ XCSequence, 4>;
+defm : BlockLoadStore<anyextloadi8, i64, MVCSequence, NCSequence,
+ OCSequence, XCSequence, 1>;
+defm : BlockLoadStore<anyextloadi16, i64, MVCSequence, NCSequence, OCSequence,
+ XCSequence, 2>;
+defm : BlockLoadStore<anyextloadi32, i64, MVCSequence, NCSequence, OCSequence,
+ XCSequence, 4>;
+defm : BlockLoadStore<load, i64, MVCSequence, NCSequence, OCSequence,
+ XCSequence, 8>;
[SDNPHasChain, SDNPMayStore, SDNPMayLoad]>;
def z_mvc_loop : SDNode<"SystemZISD::MVC_LOOP", SDT_ZMemMemLoop,
[SDNPHasChain, SDNPMayStore, SDNPMayLoad]>;
+def z_nc : SDNode<"SystemZISD::NC", SDT_ZMemMemLength,
+ [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>;
+def z_nc_loop : SDNode<"SystemZISD::NC_LOOP", SDT_ZMemMemLoop,
+ [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>;
+def z_oc : SDNode<"SystemZISD::OC", SDT_ZMemMemLength,
+ [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>;
+def z_oc_loop : SDNode<"SystemZISD::OC_LOOP", SDT_ZMemMemLoop,
+ [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>;
+def z_xc : SDNode<"SystemZISD::XC", SDT_ZMemMemLength,
+ [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>;
+def z_xc_loop : SDNode<"SystemZISD::XC_LOOP", SDT_ZMemMemLoop,
+ [SDNPHasChain, SDNPMayStore, SDNPMayLoad]>;
def z_clc : SDNode<"SystemZISD::CLC", SDT_ZMemMemLength,
[SDNPHasChain, SDNPOutGlue, SDNPMayLoad]>;
def z_clc_loop : SDNode<"SystemZISD::CLC_LOOP", SDT_ZMemMemLoop,
def nonvolatile_truncstorei16 : NonvolatileStore<truncstorei16>;
def nonvolatile_truncstorei32 : NonvolatileStore<truncstorei32>;
+// A store of a load that can be implemented using MVC.
+def mvc_store : PatFrag<(ops node:$value, node:$addr),
+ (unindexedstore node:$value, node:$addr),
+ [{ return storeLoadCanUseMVC(N); }]>;
+
+// Binary read-modify-write operations on memory in which the other
+// operand is also memory and for which block operations like NC can
+// be used. There are two patterns for each operator, depending on
+// which operand contains the "other" load.
+multiclass block_op<SDPatternOperator operator> {
+ def "1" : PatFrag<(ops node:$value, node:$addr),
+ (unindexedstore (operator node:$value,
+ (unindexedload node:$addr)),
+ node:$addr),
+ [{ return storeLoadCanUseBlockBinary(N, 0); }]>;
+ def "2" : PatFrag<(ops node:$value, node:$addr),
+ (unindexedstore (operator (unindexedload node:$addr),
+ node:$value),
+ node:$addr),
+ [{ return storeLoadCanUseBlockBinary(N, 1); }]>;
+}
+defm block_and : block_op<and>;
+defm block_or : block_op<or>;
+defm block_xor : block_op<xor>;
+
// Insertions.
def inserti8 : PatFrag<(ops node:$src1, node:$src2),
(or (and node:$src1, -256), node:$src2)>;
(insn cls:$src1, mode:$src2)>;
}
-// Use MVC instruction INSN for a load of type LOAD followed by a store
-// of type STORE. VT is the type of the intermediate register and LENGTH
-// is the number of bytes to copy (which may be smaller than VT).
-multiclass MVCLoadStore<SDPatternOperator load, SDPatternOperator store,
- ValueType vt, Instruction insn, bits<5> length> {
- def Pat : PatFrag<(ops node:$dest, node:$src),
- (store (vt (load node:$src)), node:$dest),
- [{ return storeLoadCanUseMVC(N); }]>;
+// Try to use MVC instruction INSN for a load of type LOAD followed by a store
+// of the same size. VT is the type of the intermediate (legalized) value and
+// LENGTH is the number of bytes loaded by LOAD.
+multiclass MVCLoadStore<SDPatternOperator load, ValueType vt, Instruction insn,
+ bits<5> length> {
+ def : Pat<(mvc_store (vt (load bdaddr12only:$src)), bdaddr12only:$dest),
+ (insn bdaddr12only:$dest, bdaddr12only:$src, length)>;
+}
- def : Pat<(!cast<SDPatternOperator>(NAME##"Pat") bdaddr12only:$dest,
- bdaddr12only:$src),
+// Use NC-like instruction INSN for block_op operation OPERATOR.
+// The other operand is a load of type LOAD, which accesses LENGTH bytes.
+// VT is the intermediate legalized type in which the binary operation
+// is actually done.
+multiclass BinaryLoadStore<SDPatternOperator operator, SDPatternOperator load,
+ ValueType vt, Instruction insn, bits<5> length> {
+ def : Pat<(operator (vt (load bdaddr12only:$src)), bdaddr12only:$dest),
(insn bdaddr12only:$dest, bdaddr12only:$src, length)>;
}
+// A convenient way of generating all block peepholes for a particular
+// LOAD/VT/LENGTH combination.
+multiclass BlockLoadStore<SDPatternOperator load, ValueType vt,
+ Instruction mvc, Instruction nc, Instruction oc,
+ Instruction xc, bits<5> length> {
+ defm : MVCLoadStore<load, vt, mvc, length>;
+ defm : BinaryLoadStore<block_and1, load, vt, nc, length>;
+ defm : BinaryLoadStore<block_and2, load, vt, nc, length>;
+ defm : BinaryLoadStore<block_or1, load, vt, oc, length>;
+ defm : BinaryLoadStore<block_or2, load, vt, oc, length>;
+ defm : BinaryLoadStore<block_xor1, load, vt, xc, length>;
+ defm : BinaryLoadStore<block_xor2, load, vt, xc, length>;
+}
+
// Record that INSN is a LOAD AND TEST that can be used to compare
// registers in CLS against zero. The instruction has separate R1 and R2
// operands, but they must be the same when the instruction is used like this.
--- /dev/null
+; Test memory-to-memory ANDs.
+;
+; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
+
+@g1 = global i8 1
+@g2 = global i16 2
+
+; Test the simple i8 case.
+define void @f1(i8 *%ptr1) {
+; CHECK-LABEL: f1:
+; CHECK: nc 1(1,%r2), 0(%r2)
+; CHECK: br %r14
+ %ptr2 = getelementptr i8 *%ptr1, i64 1
+ %val = load i8 *%ptr1
+ %old = load i8 *%ptr2
+ %and = and i8 %val, %old
+ store i8 %and, i8 *%ptr2
+ ret void
+}
+
+; ...and again in reverse.
+define void @f2(i8 *%ptr1) {
+; CHECK-LABEL: f2:
+; CHECK: nc 1(1,%r2), 0(%r2)
+; CHECK: br %r14
+ %ptr2 = getelementptr i8 *%ptr1, i64 1
+ %val = load i8 *%ptr1
+ %old = load i8 *%ptr2
+ %and = and i8 %old, %val
+ store i8 %and, i8 *%ptr2
+ ret void
+}
+
+; Test i8 cases where one value is zero-extended to 32 bits and the other
+; sign-extended.
+define void @f3(i8 *%ptr1) {
+; CHECK-LABEL: f3:
+; CHECK: nc 1(1,%r2), 0(%r2)
+; CHECK: br %r14
+ %ptr2 = getelementptr i8 *%ptr1, i64 1
+ %val = load i8 *%ptr1
+ %extval = zext i8 %val to i32
+ %old = load i8 *%ptr2
+ %extold = sext i8 %old to i32
+ %and = and i32 %extval, %extold
+ %trunc = trunc i32 %and to i8
+ store i8 %trunc, i8 *%ptr2
+ ret void
+}
+
+; ...and again with the extension types reversed.
+define void @f4(i8 *%ptr1) {
+; CHECK-LABEL: f4:
+; CHECK: nc 1(1,%r2), 0(%r2)
+; CHECK: br %r14
+ %ptr2 = getelementptr i8 *%ptr1, i64 1
+ %val = load i8 *%ptr1
+ %extval = sext i8 %val to i32
+ %old = load i8 *%ptr2
+ %extold = zext i8 %old to i32
+ %and = and i32 %extval, %extold
+ %trunc = trunc i32 %and to i8
+ store i8 %trunc, i8 *%ptr2
+ ret void
+}
+
+; ...and again with two sign extensions.
+define void @f5(i8 *%ptr1) {
+; CHECK-LABEL: f5:
+; CHECK: nc 1(1,%r2), 0(%r2)
+; CHECK: br %r14
+ %ptr2 = getelementptr i8 *%ptr1, i64 1
+ %val = load i8 *%ptr1
+ %extval = sext i8 %val to i32
+ %old = load i8 *%ptr2
+ %extold = sext i8 %old to i32
+ %and = and i32 %extval, %extold
+ %trunc = trunc i32 %and to i8
+ store i8 %trunc, i8 *%ptr2
+ ret void
+}
+
+; ...and again with two zero extensions.
+define void @f6(i8 *%ptr1) {
+; CHECK-LABEL: f6:
+; CHECK: nc 1(1,%r2), 0(%r2)
+; CHECK: br %r14
+ %ptr2 = getelementptr i8 *%ptr1, i64 1
+ %val = load i8 *%ptr1
+ %extval = zext i8 %val to i32
+ %old = load i8 *%ptr2
+ %extold = zext i8 %old to i32
+ %and = and i32 %extval, %extold
+ %trunc = trunc i32 %and to i8
+ store i8 %trunc, i8 *%ptr2
+ ret void
+}
+
+; Test i8 cases where the value is extended to 64 bits (just one case
+; this time).
+define void @f7(i8 *%ptr1) {
+; CHECK-LABEL: f7:
+; CHECK: nc 1(1,%r2), 0(%r2)
+; CHECK: br %r14
+ %ptr2 = getelementptr i8 *%ptr1, i64 1
+ %val = load i8 *%ptr1
+ %extval = sext i8 %val to i64
+ %old = load i8 *%ptr2
+ %extold = zext i8 %old to i64
+ %and = and i64 %extval, %extold
+ %trunc = trunc i64 %and to i8
+ store i8 %trunc, i8 *%ptr2
+ ret void
+}
+
+; Test the simple i16 case.
+define void @f8(i16 *%ptr1) {
+; CHECK-LABEL: f8:
+; CHECK: nc 2(2,%r2), 0(%r2)
+; CHECK: br %r14
+ %ptr2 = getelementptr i16 *%ptr1, i64 1
+ %val = load i16 *%ptr1
+ %old = load i16 *%ptr2
+ %and = and i16 %val, %old
+ store i16 %and, i16 *%ptr2
+ ret void
+}
+
+; Test i16 cases where the value is extended to 32 bits.
+define void @f9(i16 *%ptr1) {
+; CHECK-LABEL: f9:
+; CHECK: nc 2(2,%r2), 0(%r2)
+; CHECK: br %r14
+ %ptr2 = getelementptr i16 *%ptr1, i64 1
+ %val = load i16 *%ptr1
+ %extval = zext i16 %val to i32
+ %old = load i16 *%ptr2
+ %extold = sext i16 %old to i32
+ %and = and i32 %extval, %extold
+ %trunc = trunc i32 %and to i16
+ store i16 %trunc, i16 *%ptr2
+ ret void
+}
+
+; Test i16 cases where the value is extended to 64 bits.
+define void @f10(i16 *%ptr1) {
+; CHECK-LABEL: f10:
+; CHECK: nc 2(2,%r2), 0(%r2)
+; CHECK: br %r14
+ %ptr2 = getelementptr i16 *%ptr1, i64 1
+ %val = load i16 *%ptr1
+ %extval = sext i16 %val to i64
+ %old = load i16 *%ptr2
+ %extold = zext i16 %old to i64
+ %and = and i64 %extval, %extold
+ %trunc = trunc i64 %and to i16
+ store i16 %trunc, i16 *%ptr2
+ ret void
+}
+
+; Test the simple i32 case.
+define void @f11(i32 *%ptr1) {
+; CHECK-LABEL: f11:
+; CHECK: nc 4(4,%r2), 0(%r2)
+; CHECK: br %r14
+ %ptr2 = getelementptr i32 *%ptr1, i64 1
+ %val = load i32 *%ptr1
+ %old = load i32 *%ptr2
+ %and = and i32 %old, %val
+ store i32 %and, i32 *%ptr2
+ ret void
+}
+
+; Test i32 cases where the value is extended to 64 bits.
+define void @f12(i32 *%ptr1) {
+; CHECK-LABEL: f12:
+; CHECK: nc 4(4,%r2), 0(%r2)
+; CHECK: br %r14
+ %ptr2 = getelementptr i32 *%ptr1, i64 1
+ %val = load i32 *%ptr1
+ %extval = sext i32 %val to i64
+ %old = load i32 *%ptr2
+ %extold = zext i32 %old to i64
+ %and = and i64 %extval, %extold
+ %trunc = trunc i64 %and to i32
+ store i32 %trunc, i32 *%ptr2
+ ret void
+}
+
+; Test the i64 case.
+define void @f13(i64 *%ptr1) {
+; CHECK-LABEL: f13:
+; CHECK: nc 8(8,%r2), 0(%r2)
+; CHECK: br %r14
+ %ptr2 = getelementptr i64 *%ptr1, i64 1
+ %val = load i64 *%ptr1
+ %old = load i64 *%ptr2
+ %and = and i64 %old, %val
+ store i64 %and, i64 *%ptr2
+ ret void
+}
+
+; Make sure that we don't use NC if the first load is volatile.
+define void @f14(i64 *%ptr1) {
+; CHECK-LABEL: f14:
+; CHECK-NOT: nc
+; CHECK: br %r14
+ %ptr2 = getelementptr i64 *%ptr1, i64 1
+ %val = load volatile i64 *%ptr1
+ %old = load i64 *%ptr2
+ %and = and i64 %old, %val
+ store i64 %and, i64 *%ptr2
+ ret void
+}
+
+; ...likewise the second.
+define void @f15(i64 *%ptr1) {
+; CHECK-LABEL: f15:
+; CHECK-NOT: nc
+; CHECK: br %r14
+ %ptr2 = getelementptr i64 *%ptr1, i64 1
+ %val = load i64 *%ptr1
+ %old = load volatile i64 *%ptr2
+ %and = and i64 %old, %val
+ store i64 %and, i64 *%ptr2
+ ret void
+}
+
+; ...likewise the store.
+define void @f16(i64 *%ptr1) {
+; CHECK-LABEL: f16:
+; CHECK-NOT: nc
+; CHECK: br %r14
+ %ptr2 = getelementptr i64 *%ptr1, i64 1
+ %val = load i64 *%ptr1
+ %old = load i64 *%ptr2
+ %and = and i64 %old, %val
+ store volatile i64 %and, i64 *%ptr2
+ ret void
+}
+
+; Test that NC is used for aligned loads and stores, even if there is
+; no way of telling whether they alias.
+define void @f17(i64 *%ptr1, i64 *%ptr2) {
+; CHECK-LABEL: f17:
+; CHECK: nc 0(8,%r3), 0(%r2)
+; CHECK: br %r14
+ %val = load i64 *%ptr1
+ %old = load i64 *%ptr2
+ %and = and i64 %old, %val
+ store i64 %and, i64 *%ptr2
+ ret void
+}
+
+; ...but if one of the loads isn't aligned, we can't be sure.
+define void @f18(i64 *%ptr1, i64 *%ptr2) {
+; CHECK-LABEL: f18:
+; CHECK-NOT: nc
+; CHECK: br %r14
+ %val = load i64 *%ptr1, align 2
+ %old = load i64 *%ptr2
+ %and = and i64 %old, %val
+ store i64 %and, i64 *%ptr2
+ ret void
+}
+
+; Repeat the previous test with the operands in the opposite order.
+define void @f19(i64 *%ptr1, i64 *%ptr2) {
+; CHECK-LABEL: f19:
+; CHECK-NOT: nc
+; CHECK: br %r14
+ %val = load i64 *%ptr1, align 2
+ %old = load i64 *%ptr2
+ %and = and i64 %val, %old
+ store i64 %and, i64 *%ptr2
+ ret void
+}
+
+; ...and again with the other operand being unaligned.
+define void @f20(i64 *%ptr1, i64 *%ptr2) {
+; CHECK-LABEL: f20:
+; CHECK-NOT: nc
+; CHECK: br %r14
+ %val = load i64 *%ptr1
+ %old = load i64 *%ptr2, align 2
+ %and = and i64 %val, %old
+ store i64 %and, i64 *%ptr2, align 2
+ ret void
+}
+
+; Test a case where there is definite overlap.
+define void @f21(i64 %base) {
+; CHECK-LABEL: f21:
+; CHECK-NOT: nc
+; CHECK: br %r14
+ %add = add i64 %base, 1
+ %ptr1 = inttoptr i64 %base to i64 *
+ %ptr2 = inttoptr i64 %add to i64 *
+ %val = load i64 *%ptr1
+ %old = load i64 *%ptr2, align 1
+ %and = and i64 %old, %val
+ store i64 %and, i64 *%ptr2, align 1
+ ret void
+}
+
+; Test that we can use NC for global addresses for i8.
+define void @f22(i8 *%ptr) {
+; CHECK-LABEL: f22:
+; CHECK: larl [[REG:%r[0-5]]], g1
+; CHECK: nc 0(1,%r2), 0([[REG]])
+; CHECK: br %r14
+ %val = load i8 *@g1
+ %old = load i8 *%ptr
+ %and = and i8 %val, %old
+ store i8 %and, i8 *%ptr
+ ret void
+}
+
+; ...and again with the global on the store.
+define void @f23(i8 *%ptr) {
+; CHECK-LABEL: f23:
+; CHECK: larl [[REG:%r[0-5]]], g1
+; CHECK: nc 0(1,[[REG]]), 0(%r2)
+; CHECK: br %r14
+ %val = load i8 *%ptr
+ %old = load i8 *@g1
+ %and = and i8 %val, %old
+ store i8 %and, i8 *@g1
+ ret void
+}
+
+; Test that we use NC even where LHRL and STHRL are available.
+define void @f24(i16 *%ptr) {
+; CHECK-LABEL: f24:
+; CHECK: larl [[REG:%r[0-5]]], g2
+; CHECK: nc 0(2,%r2), 0([[REG]])
+; CHECK: br %r14
+ %val = load i16 *@g2
+ %old = load i16 *%ptr
+ %and = and i16 %val, %old
+ store i16 %and, i16 *%ptr
+ ret void
+}
+
+; ...likewise on the other side.
+define void @f25(i16 *%ptr) {
+; CHECK-LABEL: f25:
+; CHECK: larl [[REG:%r[0-5]]], g2
+; CHECK: nc 0(2,[[REG]]), 0(%r2)
+; CHECK: br %r14
+ %val = load i16 *%ptr
+ %old = load i16 *@g2
+ %and = and i16 %val, %old
+ store i16 %and, i16 *@g2
+ ret void
+}
+
+; Test a case where offset disambiguation is enough.
+define void @f26(i64 *%ptr1) {
+; CHECK-LABEL: f26:
+; CHECK: nc 8(8,%r2), 0(%r2)
+; CHECK: br %r14
+ %ptr2 = getelementptr i64 *%ptr1, i64 1
+ %val = load i64 *%ptr1, align 1
+ %old = load i64 *%ptr2, align 1
+ %and = and i64 %old, %val
+ store i64 %and, i64 *%ptr2, align 1
+ ret void
+}
+
+; Test a case where TBAA tells us there is no alias.
+define void @f27(i64 *%ptr1, i64 *%ptr2) {
+; CHECK-LABEL: f27:
+; CHECK: nc 0(8,%r3), 0(%r2)
+; CHECK: br %r14
+ %val = load i64 *%ptr1, align 2, !tbaa !1
+ %old = load i64 *%ptr2, align 2, !tbaa !2
+ %and = and i64 %old, %val
+ store i64 %and, i64 *%ptr2, align 2, !tbaa !2
+ ret void
+}
+
+; Test a case where TBAA information is present but doesn't help.
+define void @f28(i64 *%ptr1, i64 *%ptr2) {
+; CHECK-LABEL: f28:
+; CHECK-NOT: nc
+; CHECK: br %r14
+ %val = load i64 *%ptr1, align 2, !tbaa !1
+ %old = load i64 *%ptr2, align 2, !tbaa !1
+ %and = and i64 %old, %val
+ store i64 %and, i64 *%ptr2, align 2, !tbaa !1
+ ret void
+}
+
+!0 = metadata !{ metadata !"root" }
+!1 = metadata !{ metadata !"set1", metadata !0 }
+!2 = metadata !{ metadata !"set2", metadata !0 }
--- /dev/null
+; Test memory-to-memory ORs.
+;
+; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
+
+; Test the simple i8 case.
+define void @f1(i8 *%ptr1) {
+; CHECK-LABEL: f1:
+; CHECK: oc 1(1,%r2), 0(%r2)
+; CHECK: br %r14
+ %ptr2 = getelementptr i8 *%ptr1, i64 1
+ %val = load i8 *%ptr1
+ %old = load i8 *%ptr2
+ %or = or i8 %val, %old
+ store i8 %or, i8 *%ptr2
+ ret void
+}
+
+; Test the simple i16 case.
+define void @f2(i16 *%ptr1) {
+; CHECK-LABEL: f2:
+; CHECK: oc 2(2,%r2), 0(%r2)
+; CHECK: br %r14
+ %ptr2 = getelementptr i16 *%ptr1, i64 1
+ %val = load i16 *%ptr1
+ %old = load i16 *%ptr2
+ %or = or i16 %val, %old
+ store i16 %or, i16 *%ptr2
+ ret void
+}
+
+; Test the simple i32 case.
+define void @f3(i32 *%ptr1) {
+; CHECK-LABEL: f3:
+; CHECK: oc 4(4,%r2), 0(%r2)
+; CHECK: br %r14
+ %ptr2 = getelementptr i32 *%ptr1, i64 1
+ %val = load i32 *%ptr1
+ %old = load i32 *%ptr2
+ %or = or i32 %old, %val
+ store i32 %or, i32 *%ptr2
+ ret void
+}
+
+; Test the i64 case.
+define void @f4(i64 *%ptr1) {
+; CHECK-LABEL: f4:
+; CHECK: oc 8(8,%r2), 0(%r2)
+; CHECK: br %r14
+ %ptr2 = getelementptr i64 *%ptr1, i64 1
+ %val = load i64 *%ptr1
+ %old = load i64 *%ptr2
+ %or = or i64 %old, %val
+ store i64 %or, i64 *%ptr2
+ ret void
+}
+
+; Leave other more complicated tests to and-08.ll.
--- /dev/null
+; Test memory-to-memory XORs.
+;
+; RUN: llc < %s -mtriple=s390x-linux-gnu | FileCheck %s
+
+; Test the simple i8 case.
+define void @f1(i8 *%ptr1) {
+; CHECK-LABEL: f1:
+; CHECK: xc 1(1,%r2), 0(%r2)
+; CHECK: br %r14
+ %ptr2 = getelementptr i8 *%ptr1, i64 1
+ %val = load i8 *%ptr1
+ %old = load i8 *%ptr2
+ %xor = xor i8 %val, %old
+ store i8 %xor, i8 *%ptr2
+ ret void
+}
+
+; Test the simple i16 case.
+define void @f2(i16 *%ptr1) {
+; CHECK-LABEL: f2:
+; CHECK: xc 2(2,%r2), 0(%r2)
+; CHECK: br %r14
+ %ptr2 = getelementptr i16 *%ptr1, i64 1
+ %val = load i16 *%ptr1
+ %old = load i16 *%ptr2
+ %xor = xor i16 %val, %old
+ store i16 %xor, i16 *%ptr2
+ ret void
+}
+
+; Test the simple i32 case.
+define void @f3(i32 *%ptr1) {
+; CHECK-LABEL: f3:
+; CHECK: xc 4(4,%r2), 0(%r2)
+; CHECK: br %r14
+ %ptr2 = getelementptr i32 *%ptr1, i64 1
+ %val = load i32 *%ptr1
+ %old = load i32 *%ptr2
+ %xor = xor i32 %old, %val
+ store i32 %xor, i32 *%ptr2
+ ret void
+}
+
+; Test the i64 case.
+define void @f4(i64 *%ptr1) {
+; CHECK-LABEL: f4:
+; CHECK: xc 8(8,%r2), 0(%r2)
+; CHECK: br %r14
+ %ptr2 = getelementptr i64 *%ptr1, i64 1
+ %val = load i64 *%ptr1
+ %old = load i64 *%ptr2
+ %xor = xor i64 %old, %val
+ store i64 %xor, i64 *%ptr2
+ ret void
+}
+
+; Leave other more complicated tests to and-08.ll.
# CHECK: mxdb %f13, 0
0xed 0xd0 0x00 0x00 0x00 0x07
+# CHECK: nc 0(1), 0
+0xd4 0x00 0x00 0x00 0x00 0x00
+
+# CHECK: nc 0(1), 0(%r1)
+0xd4 0x00 0x00 0x00 0x10 0x00
+
+# CHECK: nc 0(1), 0(%r15)
+0xd4 0x00 0x00 0x00 0xf0 0x00
+
+# CHECK: nc 0(1), 4095
+0xd4 0x00 0x00 0x00 0x0f 0xff
+
+# CHECK: nc 0(1), 4095(%r1)
+0xd4 0x00 0x00 0x00 0x1f 0xff
+
+# CHECK: nc 0(1), 4095(%r15)
+0xd4 0x00 0x00 0x00 0xff 0xff
+
+# CHECK: nc 0(1,%r1), 0
+0xd4 0x00 0x10 0x00 0x00 0x00
+
+# CHECK: nc 0(1,%r15), 0
+0xd4 0x00 0xf0 0x00 0x00 0x00
+
+# CHECK: nc 4095(1,%r1), 0
+0xd4 0x00 0x1f 0xff 0x00 0x00
+
+# CHECK: nc 4095(1,%r15), 0
+0xd4 0x00 0xff 0xff 0x00 0x00
+
+# CHECK: nc 0(256,%r1), 0
+0xd4 0xff 0x10 0x00 0x00 0x00
+
+# CHECK: nc 0(256,%r15), 0
+0xd4 0xff 0xf0 0x00 0x00 0x00
+
# CHECK: ngr %r0, %r0
0xb9 0x80 0x00 0x00
# CHECK: ny %r15, 0
0xe3 0xf0 0x00 0x00 0x00 0x54
+# CHECK: oc 0(1), 0
+0xd6 0x00 0x00 0x00 0x00 0x00
+
+# CHECK: oc 0(1), 0(%r1)
+0xd6 0x00 0x00 0x00 0x10 0x00
+
+# CHECK: oc 0(1), 0(%r15)
+0xd6 0x00 0x00 0x00 0xf0 0x00
+
+# CHECK: oc 0(1), 4095
+0xd6 0x00 0x00 0x00 0x0f 0xff
+
+# CHECK: oc 0(1), 4095(%r1)
+0xd6 0x00 0x00 0x00 0x1f 0xff
+
+# CHECK: oc 0(1), 4095(%r15)
+0xd6 0x00 0x00 0x00 0xff 0xff
+
+# CHECK: oc 0(1,%r1), 0
+0xd6 0x00 0x10 0x00 0x00 0x00
+
+# CHECK: oc 0(1,%r15), 0
+0xd6 0x00 0xf0 0x00 0x00 0x00
+
+# CHECK: oc 4095(1,%r1), 0
+0xd6 0x00 0x1f 0xff 0x00 0x00
+
+# CHECK: oc 4095(1,%r15), 0
+0xd6 0x00 0xff 0xff 0x00 0x00
+
+# CHECK: oc 0(256,%r1), 0
+0xd6 0xff 0x10 0x00 0x00 0x00
+
+# CHECK: oc 0(256,%r15), 0
+0xd6 0xff 0xf0 0x00 0x00 0x00
+
# CHECK: ogr %r0, %r0
0xb9 0x81 0x00 0x00
# CHECK: tmll %r15, 0
0xa7 0xf1 0x00 0x00
+# CHECK: xc 0(1), 0
+0xd7 0x00 0x00 0x00 0x00 0x00
+
+# CHECK: xc 0(1), 0(%r1)
+0xd7 0x00 0x00 0x00 0x10 0x00
+
+# CHECK: xc 0(1), 0(%r15)
+0xd7 0x00 0x00 0x00 0xf0 0x00
+
+# CHECK: xc 0(1), 4095
+0xd7 0x00 0x00 0x00 0x0f 0xff
+
+# CHECK: xc 0(1), 4095(%r1)
+0xd7 0x00 0x00 0x00 0x1f 0xff
+
+# CHECK: xc 0(1), 4095(%r15)
+0xd7 0x00 0x00 0x00 0xff 0xff
+
+# CHECK: xc 0(1,%r1), 0
+0xd7 0x00 0x10 0x00 0x00 0x00
+
+# CHECK: xc 0(1,%r15), 0
+0xd7 0x00 0xf0 0x00 0x00 0x00
+
+# CHECK: xc 4095(1,%r1), 0
+0xd7 0x00 0x1f 0xff 0x00 0x00
+
+# CHECK: xc 4095(1,%r15), 0
+0xd7 0x00 0xff 0xff 0x00 0x00
+
+# CHECK: xc 0(256,%r1), 0
+0xd7 0xff 0x10 0x00 0x00 0x00
+
+# CHECK: xc 0(256,%r15), 0
+0xd7 0xff 0xf0 0x00 0x00 0x00
+
# CHECK: xgr %r0, %r0
0xb9 0x82 0x00 0x00
n %r0, -1
n %r0, 4096
+#CHECK: error: missing length in address
+#CHECK: nc 0, 0
+#CHECK: error: missing length in address
+#CHECK: nc 0(%r1), 0(%r1)
+#CHECK: error: invalid use of length addressing
+#CHECK: nc 0(1,%r1), 0(2,%r1)
+#CHECK: error: invalid operand
+#CHECK: nc 0(0,%r1), 0(%r1)
+#CHECK: error: invalid operand
+#CHECK: nc 0(257,%r1), 0(%r1)
+#CHECK: error: invalid operand
+#CHECK: nc -1(1,%r1), 0(%r1)
+#CHECK: error: invalid operand
+#CHECK: nc 4096(1,%r1), 0(%r1)
+#CHECK: error: invalid operand
+#CHECK: nc 0(1,%r1), -1(%r1)
+#CHECK: error: invalid operand
+#CHECK: nc 0(1,%r1), 4096(%r1)
+#CHECK: error: %r0 used in an address
+#CHECK: nc 0(1,%r0), 0(%r1)
+#CHECK: error: %r0 used in an address
+#CHECK: nc 0(1,%r1), 0(%r0)
+#CHECK: error: invalid use of indexed addressing
+#CHECK: nc 0(%r1,%r2), 0(%r1)
+#CHECK: error: invalid use of indexed addressing
+#CHECK: nc 0(1,%r2), 0(%r1,%r2)
+#CHECK: error: unknown token in expression
+#CHECK: nc 0(-), 0
+
+ nc 0, 0
+ nc 0(%r1), 0(%r1)
+ nc 0(1,%r1), 0(2,%r1)
+ nc 0(0,%r1), 0(%r1)
+ nc 0(257,%r1), 0(%r1)
+ nc -1(1,%r1), 0(%r1)
+ nc 4096(1,%r1), 0(%r1)
+ nc 0(1,%r1), -1(%r1)
+ nc 0(1,%r1), 4096(%r1)
+ nc 0(1,%r0), 0(%r1)
+ nc 0(1,%r1), 0(%r0)
+ nc 0(%r1,%r2), 0(%r1)
+ nc 0(1,%r2), 0(%r1,%r2)
+ nc 0(-), 0
+
#CHECK: error: invalid operand
#CHECK: ng %r0, -524289
#CHECK: error: invalid operand
o %r0, -1
o %r0, 4096
+#CHECK: error: missing length in address
+#CHECK: oc 0, 0
+#CHECK: error: missing length in address
+#CHECK: oc 0(%r1), 0(%r1)
+#CHECK: error: invalid use of length addressing
+#CHECK: oc 0(1,%r1), 0(2,%r1)
+#CHECK: error: invalid operand
+#CHECK: oc 0(0,%r1), 0(%r1)
+#CHECK: error: invalid operand
+#CHECK: oc 0(257,%r1), 0(%r1)
+#CHECK: error: invalid operand
+#CHECK: oc -1(1,%r1), 0(%r1)
+#CHECK: error: invalid operand
+#CHECK: oc 4096(1,%r1), 0(%r1)
+#CHECK: error: invalid operand
+#CHECK: oc 0(1,%r1), -1(%r1)
+#CHECK: error: invalid operand
+#CHECK: oc 0(1,%r1), 4096(%r1)
+#CHECK: error: %r0 used in an address
+#CHECK: oc 0(1,%r0), 0(%r1)
+#CHECK: error: %r0 used in an address
+#CHECK: oc 0(1,%r1), 0(%r0)
+#CHECK: error: invalid use of indexed addressing
+#CHECK: oc 0(%r1,%r2), 0(%r1)
+#CHECK: error: invalid use of indexed addressing
+#CHECK: oc 0(1,%r2), 0(%r1,%r2)
+#CHECK: error: unknown token in expression
+#CHECK: oc 0(-), 0
+
+ oc 0, 0
+ oc 0(%r1), 0(%r1)
+ oc 0(1,%r1), 0(2,%r1)
+ oc 0(0,%r1), 0(%r1)
+ oc 0(257,%r1), 0(%r1)
+ oc -1(1,%r1), 0(%r1)
+ oc 4096(1,%r1), 0(%r1)
+ oc 0(1,%r1), -1(%r1)
+ oc 0(1,%r1), 4096(%r1)
+ oc 0(1,%r0), 0(%r1)
+ oc 0(1,%r1), 0(%r0)
+ oc 0(%r1,%r2), 0(%r1)
+ oc 0(1,%r2), 0(%r1,%r2)
+ oc 0(-), 0
+
#CHECK: error: invalid operand
#CHECK: og %r0, -524289
#CHECK: error: invalid operand
x %r0, -1
x %r0, 4096
+#CHECK: error: missing length in address
+#CHECK: xc 0, 0
+#CHECK: error: missing length in address
+#CHECK: xc 0(%r1), 0(%r1)
+#CHECK: error: invalid use of length addressing
+#CHECK: xc 0(1,%r1), 0(2,%r1)
+#CHECK: error: invalid operand
+#CHECK: xc 0(0,%r1), 0(%r1)
+#CHECK: error: invalid operand
+#CHECK: xc 0(257,%r1), 0(%r1)
+#CHECK: error: invalid operand
+#CHECK: xc -1(1,%r1), 0(%r1)
+#CHECK: error: invalid operand
+#CHECK: xc 4096(1,%r1), 0(%r1)
+#CHECK: error: invalid operand
+#CHECK: xc 0(1,%r1), -1(%r1)
+#CHECK: error: invalid operand
+#CHECK: xc 0(1,%r1), 4096(%r1)
+#CHECK: error: %r0 used in an address
+#CHECK: xc 0(1,%r0), 0(%r1)
+#CHECK: error: %r0 used in an address
+#CHECK: xc 0(1,%r1), 0(%r0)
+#CHECK: error: invalid use of indexed addressing
+#CHECK: xc 0(%r1,%r2), 0(%r1)
+#CHECK: error: invalid use of indexed addressing
+#CHECK: xc 0(1,%r2), 0(%r1,%r2)
+#CHECK: error: unknown token in expression
+#CHECK: xc 0(-), 0
+
+ xc 0, 0
+ xc 0(%r1), 0(%r1)
+ xc 0(1,%r1), 0(2,%r1)
+ xc 0(0,%r1), 0(%r1)
+ xc 0(257,%r1), 0(%r1)
+ xc -1(1,%r1), 0(%r1)
+ xc 4096(1,%r1), 0(%r1)
+ xc 0(1,%r1), -1(%r1)
+ xc 0(1,%r1), 4096(%r1)
+ xc 0(1,%r0), 0(%r1)
+ xc 0(1,%r1), 0(%r0)
+ xc 0(%r1,%r2), 0(%r1)
+ xc 0(1,%r2), 0(%r1,%r2)
+ xc 0(-), 0
+
#CHECK: error: invalid operand
#CHECK: xg %r0, -524289
#CHECK: error: invalid operand
n %r0, 4095(%r15,%r1)
n %r15, 0
+#CHECK: nc 0(1), 0 # encoding: [0xd4,0x00,0x00,0x00,0x00,0x00]
+#CHECK: nc 0(1), 0(%r1) # encoding: [0xd4,0x00,0x00,0x00,0x10,0x00]
+#CHECK: nc 0(1), 0(%r15) # encoding: [0xd4,0x00,0x00,0x00,0xf0,0x00]
+#CHECK: nc 0(1), 4095 # encoding: [0xd4,0x00,0x00,0x00,0x0f,0xff]
+#CHECK: nc 0(1), 4095(%r1) # encoding: [0xd4,0x00,0x00,0x00,0x1f,0xff]
+#CHECK: nc 0(1), 4095(%r15) # encoding: [0xd4,0x00,0x00,0x00,0xff,0xff]
+#CHECK: nc 0(1,%r1), 0 # encoding: [0xd4,0x00,0x10,0x00,0x00,0x00]
+#CHECK: nc 0(1,%r15), 0 # encoding: [0xd4,0x00,0xf0,0x00,0x00,0x00]
+#CHECK: nc 4095(1,%r1), 0 # encoding: [0xd4,0x00,0x1f,0xff,0x00,0x00]
+#CHECK: nc 4095(1,%r15), 0 # encoding: [0xd4,0x00,0xff,0xff,0x00,0x00]
+#CHECK: nc 0(256,%r1), 0 # encoding: [0xd4,0xff,0x10,0x00,0x00,0x00]
+#CHECK: nc 0(256,%r15), 0 # encoding: [0xd4,0xff,0xf0,0x00,0x00,0x00]
+
+ nc 0(1), 0
+ nc 0(1), 0(%r1)
+ nc 0(1), 0(%r15)
+ nc 0(1), 4095
+ nc 0(1), 4095(%r1)
+ nc 0(1), 4095(%r15)
+ nc 0(1,%r1), 0
+ nc 0(1,%r15), 0
+ nc 4095(1,%r1), 0
+ nc 4095(1,%r15), 0
+ nc 0(256,%r1), 0
+ nc 0(256,%r15), 0
+
#CHECK: ng %r0, -524288 # encoding: [0xe3,0x00,0x00,0x00,0x80,0x80]
#CHECK: ng %r0, -1 # encoding: [0xe3,0x00,0x0f,0xff,0xff,0x80]
#CHECK: ng %r0, 0 # encoding: [0xe3,0x00,0x00,0x00,0x00,0x80]
o %r0, 4095(%r15,%r1)
o %r15, 0
+#CHECK: oc 0(1), 0 # encoding: [0xd6,0x00,0x00,0x00,0x00,0x00]
+#CHECK: oc 0(1), 0(%r1) # encoding: [0xd6,0x00,0x00,0x00,0x10,0x00]
+#CHECK: oc 0(1), 0(%r15) # encoding: [0xd6,0x00,0x00,0x00,0xf0,0x00]
+#CHECK: oc 0(1), 4095 # encoding: [0xd6,0x00,0x00,0x00,0x0f,0xff]
+#CHECK: oc 0(1), 4095(%r1) # encoding: [0xd6,0x00,0x00,0x00,0x1f,0xff]
+#CHECK: oc 0(1), 4095(%r15) # encoding: [0xd6,0x00,0x00,0x00,0xff,0xff]
+#CHECK: oc 0(1,%r1), 0 # encoding: [0xd6,0x00,0x10,0x00,0x00,0x00]
+#CHECK: oc 0(1,%r15), 0 # encoding: [0xd6,0x00,0xf0,0x00,0x00,0x00]
+#CHECK: oc 4095(1,%r1), 0 # encoding: [0xd6,0x00,0x1f,0xff,0x00,0x00]
+#CHECK: oc 4095(1,%r15), 0 # encoding: [0xd6,0x00,0xff,0xff,0x00,0x00]
+#CHECK: oc 0(256,%r1), 0 # encoding: [0xd6,0xff,0x10,0x00,0x00,0x00]
+#CHECK: oc 0(256,%r15), 0 # encoding: [0xd6,0xff,0xf0,0x00,0x00,0x00]
+
+ oc 0(1), 0
+ oc 0(1), 0(%r1)
+ oc 0(1), 0(%r15)
+ oc 0(1), 4095
+ oc 0(1), 4095(%r1)
+ oc 0(1), 4095(%r15)
+ oc 0(1,%r1), 0
+ oc 0(1,%r15), 0
+ oc 4095(1,%r1), 0
+ oc 4095(1,%r15), 0
+ oc 0(256,%r1), 0
+ oc 0(256,%r15), 0
+
#CHECK: og %r0, -524288 # encoding: [0xe3,0x00,0x00,0x00,0x80,0x81]
#CHECK: og %r0, -1 # encoding: [0xe3,0x00,0x0f,0xff,0xff,0x81]
#CHECK: og %r0, 0 # encoding: [0xe3,0x00,0x00,0x00,0x00,0x81]
x %r0, 4095(%r15,%r1)
x %r15, 0
+#CHECK: xc 0(1), 0 # encoding: [0xd7,0x00,0x00,0x00,0x00,0x00]
+#CHECK: xc 0(1), 0(%r1) # encoding: [0xd7,0x00,0x00,0x00,0x10,0x00]
+#CHECK: xc 0(1), 0(%r15) # encoding: [0xd7,0x00,0x00,0x00,0xf0,0x00]
+#CHECK: xc 0(1), 4095 # encoding: [0xd7,0x00,0x00,0x00,0x0f,0xff]
+#CHECK: xc 0(1), 4095(%r1) # encoding: [0xd7,0x00,0x00,0x00,0x1f,0xff]
+#CHECK: xc 0(1), 4095(%r15) # encoding: [0xd7,0x00,0x00,0x00,0xff,0xff]
+#CHECK: xc 0(1,%r1), 0 # encoding: [0xd7,0x00,0x10,0x00,0x00,0x00]
+#CHECK: xc 0(1,%r15), 0 # encoding: [0xd7,0x00,0xf0,0x00,0x00,0x00]
+#CHECK: xc 4095(1,%r1), 0 # encoding: [0xd7,0x00,0x1f,0xff,0x00,0x00]
+#CHECK: xc 4095(1,%r15), 0 # encoding: [0xd7,0x00,0xff,0xff,0x00,0x00]
+#CHECK: xc 0(256,%r1), 0 # encoding: [0xd7,0xff,0x10,0x00,0x00,0x00]
+#CHECK: xc 0(256,%r15), 0 # encoding: [0xd7,0xff,0xf0,0x00,0x00,0x00]
+
+ xc 0(1), 0
+ xc 0(1), 0(%r1)
+ xc 0(1), 0(%r15)
+ xc 0(1), 4095
+ xc 0(1), 4095(%r1)
+ xc 0(1), 4095(%r15)
+ xc 0(1,%r1), 0
+ xc 0(1,%r15), 0
+ xc 4095(1,%r1), 0
+ xc 4095(1,%r15), 0
+ xc 0(256,%r1), 0
+ xc 0(256,%r15), 0
+
#CHECK: xg %r0, -524288 # encoding: [0xe3,0x00,0x00,0x00,0x80,0x82]
#CHECK: xg %r0, -1 # encoding: [0xe3,0x00,0x0f,0xff,0xff,0x82]
#CHECK: xg %r0, 0 # encoding: [0xe3,0x00,0x00,0x00,0x00,0x82]
projects / platform / upstream / llvm.git / commitdiff