Add ChangeTaggedXXXToCompressedXXX, ChangeCompressedXXXToTaggedXXX mach ops

We have a version for each (Any, Pointer, Signed)

Bug: v8:8977
Change-Id: I1df994f96e24183a136c25818bf4917d9f8126d3
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1524481Reviewed-by: Michael Stanton <mvstanton@chromium.org>
Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
Commit-Queue: Santiago Aboy Solanes <solanes@chromium.org>
Cr-Commit-Position: refs/heads/master@{#60268}

src/compiler/machine-operator.cc

@@ -168,6 +168,12 @@ MachineType AtomicOpType(Operator const* op) {
   V(ChangeInt32ToInt64, Operator::kNoProperties, 1, 0, 1)                     \
   V(ChangeUint32ToFloat64, Operator::kNoProperties, 1, 0, 1)                  \
   V(ChangeUint32ToUint64, Operator::kNoProperties, 1, 0, 1)                   \
+  V(ChangeTaggedToCompressed, Operator::kNoProperties, 1, 0, 1)               \
+  V(ChangeTaggedPointerToCompressedPointer, Operator::kNoProperties, 1, 0, 1) \
+  V(ChangeTaggedSignedToCompressedSigned, Operator::kNoProperties, 1, 0, 1)   \
+  V(ChangeCompressedToTagged, Operator::kNoProperties, 1, 0, 1)               \
+  V(ChangeCompressedPointerToTaggedPointer, Operator::kNoProperties, 1, 0, 1) \
+  V(ChangeCompressedSignedToTaggedSigned, Operator::kNoProperties, 1, 0, 1)   \
   V(TruncateFloat64ToFloat32, Operator::kNoProperties, 1, 0, 1)               \
   V(TruncateInt64ToInt32, Operator::kNoProperties, 1, 0, 1)                   \
   V(BitcastFloat32ToInt32, Operator::kNoProperties, 1, 0, 1)                  \

src/compiler/machine-operator.h

@@ -334,6 +334,12 @@ class V8_EXPORT_PRIVATE MachineOperatorBuilder final
   const Operator* ChangeInt64ToFloat64();
   const Operator* ChangeUint32ToFloat64();
   const Operator* ChangeUint32ToUint64();
+  const Operator* ChangeTaggedToCompressed();
+  const Operator* ChangeTaggedPointerToCompressedPointer();
+  const Operator* ChangeTaggedSignedToCompressedSigned();
+  const Operator* ChangeCompressedToTagged();
+  const Operator* ChangeCompressedPointerToTaggedPointer();
+  const Operator* ChangeCompressedSignedToTaggedSigned();
 
   // These operators truncate or round numbers, both changing the representation
   // of the number and mapping multiple input values onto the same output value.

src/compiler/opcodes.h

@@ -645,6 +645,12 @@
   V(ChangeInt64ToFloat64)                   \
   V(ChangeUint32ToFloat64)                  \
   V(ChangeUint32ToUint64)                   \
+  V(ChangeTaggedToCompressed)               \
+  V(ChangeTaggedPointerToCompressedPointer) \
+  V(ChangeTaggedSignedToCompressedSigned)   \
+  V(ChangeCompressedToTagged)               \
+  V(ChangeCompressedPointerToTaggedPointer) \
+  V(ChangeCompressedSignedToTaggedSigned)   \
   V(TruncateFloat64ToFloat32)               \
   V(TruncateInt64ToInt32)                   \
   V(RoundFloat64ToInt32)                    \

src/compiler/verifier.cc

@@ -1745,6 +1745,12 @@ void Verifier::Visitor::Check(Node* node, const AllNodes& all) {
     case IrOpcode::kBitcastWordToTaggedSigned:
     case IrOpcode::kChangeInt32ToInt64:
     case IrOpcode::kChangeUint32ToUint64:
+    case IrOpcode::kChangeTaggedToCompressed:
+    case IrOpcode::kChangeTaggedPointerToCompressedPointer:
+    case IrOpcode::kChangeTaggedSignedToCompressedSigned:
+    case IrOpcode::kChangeCompressedToTagged:
+    case IrOpcode::kChangeCompressedPointerToTaggedPointer:
+    case IrOpcode::kChangeCompressedSignedToTaggedSigned:
     case IrOpcode::kChangeInt32ToFloat64:
     case IrOpcode::kChangeInt64ToFloat64:
     case IrOpcode::kChangeUint32ToFloat64: