PPC/S390: initiating pointer compression fixes

Change-Id: I290ea07e4f6c66d04ee0daa04ac78a47d9f4432e
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1535519Reviewed-by: Junliang Yan <jyan@ca.ibm.com>
Reviewed-by: Milad Farazmand <miladfar@ca.ibm.com>
Commit-Queue: Milad Farazmand <miladfar@ca.ibm.com>
Cr-Commit-Position: refs/heads/master@{#60410}

src/compiler/backend/ppc/instruction-codes-ppc.h

@@ -12,7 +12,7 @@ namespace compiler {
 // PPC-specific opcodes that specify which assembly sequence to emit.
 // Most opcodes specify a single instruction.
 #define TARGET_ARCH_OPCODE_LIST(V)   \
-  V(PPC_Peek)                         \
+  V(PPC_Peek)                        \
   V(PPC_And)                         \
   V(PPC_AndComplement)               \
   V(PPC_Or)                          \
@@ -128,6 +128,12 @@ namespace compiler {
   V(PPC_StoreDouble)                 \
   V(PPC_ByteRev32)                   \
   V(PPC_ByteRev64)                   \
+  V(PPC_DecompressSigned)            \
+  V(PPC_DecompressPointer)           \
+  V(PPC_DecompressAny)               \
+  V(PPC_CompressSigned)              \
+  V(PPC_CompressPointer)             \
+  V(PPC_CompressAny)                 \
   V(PPC_AtomicStoreUint8)            \
   V(PPC_AtomicStoreUint16)           \
   V(PPC_AtomicStoreWord32)           \

src/compiler/backend/ppc/instruction-scheduler-ppc.cc

@@ -110,6 +110,12 @@ int InstructionScheduler::GetTargetInstructionFlags(
     case kPPC_BitcastDoubleToInt64:
     case kPPC_ByteRev32:
     case kPPC_ByteRev64:
+    case kPPC_DecompressSigned:
+    case kPPC_DecompressPointer:
+    case kPPC_DecompressAny:
+    case kPPC_CompressSigned:
+    case kPPC_CompressPointer:
+    case kPPC_CompressAny:
       return kNoOpcodeFlags;
 
     case kPPC_LoadWordS8:

src/compiler/backend/ppc/instruction-selector-ppc.cc

@@ -1140,6 +1140,34 @@ void InstructionSelector::VisitChangeUint32ToUint64(Node* node) {
   VisitRR(this, kPPC_Uint32ToUint64, node);
 }
 
+void InstructionSelector::VisitChangeTaggedToCompressed(Node* node) {
+  UNIMPLEMENTED();
+}
+
+void InstructionSelector::VisitChangeTaggedPointerToCompressedPointer(
+    Node* node) {
+  UNIMPLEMENTED();
+}
+
+void InstructionSelector::VisitChangeTaggedSignedToCompressedSigned(
+    Node* node) {
+  UNIMPLEMENTED();
+}
+
+void InstructionSelector::VisitChangeCompressedToTagged(Node* node) {
+  UNIMPLEMENTED();
+}
+
+void InstructionSelector::VisitChangeCompressedPointerToTaggedPointer(
+    Node* node) {
+  UNIMPLEMENTED();
+}
+
+void InstructionSelector::VisitChangeCompressedSignedToTaggedSigned(
+    Node* node) {
+  UNIMPLEMENTED();
+}
+
 void InstructionSelector::VisitChangeFloat64ToUint64(Node* node) {
   VisitRR(this, kPPC_DoubleToUint64, node);
 }

src/compiler/backend/s390/instruction-codes-s390.h

@@ -163,6 +163,12 @@ namespace compiler {
   V(S390_StoreReverse64)                    \
   V(S390_StoreFloat32)                      \
   V(S390_StoreDouble)                       \
+  V(S390_DecompressSigned)                  \
+  V(S390_DecompressPointer)                 \
+  V(S390_DecompressAny)                     \
+  V(S390_CompressSigned)                    \
+  V(S390_CompressPointer)                   \
+  V(S390_CompressAny)                       \
   V(S390_Word64AtomicExchangeUint8)         \
   V(S390_Word64AtomicExchangeUint16)        \
   V(S390_Word64AtomicExchangeUint32)        \

src/compiler/backend/s390/instruction-scheduler-s390.cc

@@ -138,6 +138,12 @@ int InstructionScheduler::GetTargetInstructionFlags(
     case kS390_LoadAndTestWord64:
     case kS390_LoadAndTestFloat32:
     case kS390_LoadAndTestFloat64:
+    case kS390_DecompressSigned:
+    case kS390_DecompressPointer:
+    case kS390_DecompressAny:
+    case kS390_CompressSigned:
+    case kS390_CompressPointer:
+    case kS390_CompressAny:
       return kNoOpcodeFlags;
 
     case kS390_LoadWordS8:

src/compiler/backend/s390/instruction-selector-s390.cc

@@ -2198,6 +2198,34 @@ bool InstructionSelector::IsTailCallAddressImmediate() { return false; }
 
 int InstructionSelector::GetTempsCountForTailCallFromJSFunction() { return 3; }
 
+void InstructionSelector::VisitChangeTaggedToCompressed(Node* node) {
+  UNIMPLEMENTED();
+}
+
+void InstructionSelector::VisitChangeTaggedPointerToCompressedPointer(
+    Node* node) {
+  UNIMPLEMENTED();
+}
+
+void InstructionSelector::VisitChangeTaggedSignedToCompressedSigned(
+    Node* node) {
+  UNIMPLEMENTED();
+}
+
+void InstructionSelector::VisitChangeCompressedToTagged(Node* node) {
+  UNIMPLEMENTED();
+}
+
+void InstructionSelector::VisitChangeCompressedPointerToTaggedPointer(
+    Node* node) {
+  UNIMPLEMENTED();
+}
+
+void InstructionSelector::VisitChangeCompressedSignedToTaggedSigned(
+    Node* node) {
+  UNIMPLEMENTED();
+}
+
 void InstructionSelector::VisitWord32AtomicLoad(Node* node) {
   LoadRepresentation load_rep = LoadRepresentationOf(node->op());
   DCHECK(load_rep.representation() == MachineRepresentation::kWord8 ||