diff --git a/src/arm64/macro-assembler-arm64-inl.h b/src/arm64/macro-assembler-arm64-inl.h
index ae055f40abd4..be6cd4c933ad 100644
--- a/src/arm64/macro-assembler-arm64-inl.h
+++ b/src/arm64/macro-assembler-arm64-inl.h
@@ -1060,7 +1060,11 @@ void TurboAssembler::SmiUntag(Register dst, const MemOperand& src) {
     }
   } else {
     DCHECK(SmiValuesAre31Bits());
+#ifdef V8_COMPRESS_POINTERS
+    Ldrsw(dst, src);
+#else
     Ldr(dst, src);
+#endif
     SmiUntag(dst);
   }
 }
diff --git a/src/arm64/macro-assembler-arm64.cc b/src/arm64/macro-assembler-arm64.cc
index ad0ed8894ab0..79688d709b3d 100644
--- a/src/arm64/macro-assembler-arm64.cc
+++ b/src/arm64/macro-assembler-arm64.cc
@@ -2813,11 +2813,7 @@ void TurboAssembler::StoreTaggedField(const Register& value,
                                       const MemOperand& dst_field_operand) {
 #ifdef V8_COMPRESS_POINTERS
   RecordComment("[ StoreTagged");
-  // Use temporary register to zero out and don't trash value register
-  UseScratchRegisterScope temps(this);
-  Register compressed_value = temps.AcquireX();
-  Uxtw(compressed_value, value);
-  Str(compressed_value, dst_field_operand);
+  Str(value.W(), dst_field_operand);
   RecordComment("]");
 #else
   Str(value, dst_field_operand);
@@ -2827,18 +2823,15 @@ void TurboAssembler::StoreTaggedField(const Register& value,
 void TurboAssembler::DecompressTaggedSigned(const Register& destination,
                                             const MemOperand& field_operand) {
   RecordComment("[ DecompressTaggedSigned");
-  // TODO(solanes): use Ldrsw instead of Ldr,SXTW once kTaggedSize is shrinked
-  Ldr(destination, field_operand);
-  Sxtw(destination, destination);
+  Ldrsw(destination, field_operand);
   RecordComment("]");
 }
 
 void TurboAssembler::DecompressTaggedPointer(const Register& destination,
                                              const MemOperand& field_operand) {
   RecordComment("[ DecompressTaggedPointer");
-  // TODO(solanes): use Ldrsw instead of Ldr,SXTW once kTaggedSize is shrinked
-  Ldr(destination, field_operand);
-  Add(destination, kRootRegister, Operand(destination, SXTW));
+  Ldrsw(destination, field_operand);
+  Add(destination, kRootRegister, destination);
   RecordComment("]");
 }
 
@@ -2846,8 +2839,7 @@ void TurboAssembler::DecompressAnyTagged(const Register& destination,
                                          const MemOperand& field_operand) {
   RecordComment("[ DecompressAnyTagged");
   UseScratchRegisterScope temps(this);
-  // TODO(solanes): use Ldrsw instead of Ldr,SXTW once kTaggedSize is shrinked
-  Ldr(destination, field_operand);
+  Ldrsw(destination, field_operand);
   // Branchlessly compute |masked_root|:
   // masked_root = HAS_SMI_TAG(destination) ? 0 : kRootRegister;
   STATIC_ASSERT((kSmiTagSize == 1) && (kSmiTag == 0));
@@ -2857,7 +2849,7 @@ void TurboAssembler::DecompressAnyTagged(const Register& destination,
   And(masked_root, masked_root, kRootRegister);
   // Now this add operation will either leave the value unchanged if it is a smi
   // or add the isolate root if it is a heap object.
-  Add(destination, masked_root, Operand(destination, SXTW));
+  Add(destination, masked_root, destination);
   RecordComment("]");
 }
 
diff --git a/src/builtins/arm64/builtins-arm64.cc b/src/builtins/arm64/builtins-arm64.cc
index 9c7397897a80..35ed82a83e03 100644
--- a/src/builtins/arm64/builtins-arm64.cc
+++ b/src/builtins/arm64/builtins-arm64.cc
@@ -2555,7 +2555,7 @@ void Generate_PushBoundArguments(MacroAssembler* masm) {
         __ SlotAddress(copy_to, argc);
         __ Add(argc, argc,
                bound_argc);  // Update argc to include bound arguments.
-        __ Lsl(counter, bound_argc, kSystemPointerSizeLog2);
+        __ Lsl(counter, bound_argc, kTaggedSizeLog2);
         __ Bind(&loop);
         __ Sub(counter, counter, kTaggedSize);
         __ LoadAnyTaggedField(scratch, MemOperand(bound_argv, counter));
diff --git a/src/wasm/baseline/arm64/liftoff-assembler-arm64.h b/src/wasm/baseline/arm64/liftoff-assembler-arm64.h
index 50e8e0db9435..0c093f2dcd16 100644
--- a/src/wasm/baseline/arm64/liftoff-assembler-arm64.h
+++ b/src/wasm/baseline/arm64/liftoff-assembler-arm64.h
@@ -206,9 +206,10 @@ void LiftoffAssembler::LoadTaggedPointer(Register dst, Register src_addr,
                                          Register offset_reg,
                                          uint32_t offset_imm,
                                          LiftoffRegList pinned) {
-  STATIC_ASSERT(kTaggedSize == kInt64Size);
-  Load(LiftoffRegister(dst), src_addr, offset_reg, offset_imm,
-       LoadType::kI64Load, pinned);
+  UseScratchRegisterScope temps(this);
+  MemOperand src_op =
+      liftoff::GetMemOp(this, &temps, src_addr, offset_reg, offset_imm);
+  LoadTaggedPointerField(dst, src_op);
 }
 
 void LiftoffAssembler::Load(LiftoffRegister dst, Register src_addr,