[loong64][mips64] Remove unused RelocInfo::Mode::RUNTIME_ENTRY

Port commit 3f998527

Change-Id: Idbe8d53990b8c09e083f64774eecb146ecd2dc90
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3905857
Commit-Queue: Zhao Jiazhong <zhaojiazhong-hf@loongson.cn>
Reviewed-by: Zhao Jiazhong <zhaojiazhong-hf@loongson.cn>
Auto-Submit: Liu Yu <liuyu@loongson.cn>
Cr-Commit-Position: refs/heads/main@{#83357}

src/codegen/loong64/assembler-loong64-inl.h

@@ -41,8 +41,7 @@ void RelocInfo::apply(intptr_t delta) {
 }
 
 Address RelocInfo::target_address() {
-  DCHECK(IsCodeTargetMode(rmode_) || IsRuntimeEntry(rmode_) ||
-         IsWasmCall(rmode_));
+  DCHECK(IsCodeTargetMode(rmode_) || IsWasmCall(rmode_));
   return Assembler::target_address_at(pc_, constant_pool_);
 }
 
@@ -149,19 +148,6 @@ Handle<Code> Assembler::relative_code_target_object_handle_at(
 
 Builtin RelocInfo::target_builtin_at(Assembler* origin) { UNREACHABLE(); }
 
-Address RelocInfo::target_runtime_entry(Assembler* origin) {
-  DCHECK(IsRuntimeEntry(rmode_));
-  return target_address();
-}
-
-void RelocInfo::set_target_runtime_entry(Address target,
-                                         WriteBarrierMode write_barrier_mode,
-                                         ICacheFlushMode icache_flush_mode) {
-  DCHECK(IsRuntimeEntry(rmode_));
-  if (target_address() != target)
-    set_target_address(target, write_barrier_mode, icache_flush_mode);
-}
-
 Address RelocInfo::target_off_heap_target() {
   DCHECK(IsOffHeapTarget(rmode_));
   return Assembler::target_address_at(pc_, constant_pool_);
@@ -169,8 +155,8 @@ Address RelocInfo::target_off_heap_target() {
 
 void RelocInfo::WipeOut() {
   DCHECK(IsFullEmbeddedObject(rmode_) || IsCodeTarget(rmode_) ||
-         IsRuntimeEntry(rmode_) || IsExternalReference(rmode_) ||
-         IsInternalReference(rmode_) || IsOffHeapTarget(rmode_));
+         IsExternalReference(rmode_) || IsInternalReference(rmode_) ||
+         IsOffHeapTarget(rmode_));
   if (IsInternalReference(rmode_)) {
     Memory<Address>(pc_) = kNullAddress;
   } else {

src/codegen/mips64/assembler-mips64-inl.h

@@ -69,7 +69,7 @@ void RelocInfo::apply(intptr_t delta) {
 }
 
 Address RelocInfo::target_address() {
-  DCHECK(IsCodeTarget(rmode_) || IsRuntimeEntry(rmode_) || IsWasmCall(rmode_));
+  DCHECK(IsCodeTarget(rmode_) || IsWasmCall(rmode_));
   return Assembler::target_address_at(pc_, constant_pool_);
 }
 
@@ -191,19 +191,6 @@ Address RelocInfo::target_internal_reference_address() {
 
 Builtin RelocInfo::target_builtin_at(Assembler* origin) { UNREACHABLE(); }
 
-Address RelocInfo::target_runtime_entry(Assembler* origin) {
-  DCHECK(IsRuntimeEntry(rmode_));
-  return target_address();
-}
-
-void RelocInfo::set_target_runtime_entry(Address target,
-                                         WriteBarrierMode write_barrier_mode,
-                                         ICacheFlushMode icache_flush_mode) {
-  DCHECK(IsRuntimeEntry(rmode_));
-  if (target_address() != target)
-    set_target_address(target, write_barrier_mode, icache_flush_mode);
-}
-
 Address RelocInfo::target_off_heap_target() {
   DCHECK(IsOffHeapTarget(rmode_));
   return Assembler::target_address_at(pc_, constant_pool_);
@@ -211,9 +198,8 @@ Address RelocInfo::target_off_heap_target() {
 
 void RelocInfo::WipeOut() {
   DCHECK(IsFullEmbeddedObject(rmode_) || IsCodeTarget(rmode_) ||
-         IsRuntimeEntry(rmode_) || IsExternalReference(rmode_) ||
-         IsInternalReference(rmode_) || IsInternalReferenceEncoded(rmode_) ||
-         IsOffHeapTarget(rmode_));
+         IsExternalReference(rmode_) || IsInternalReference(rmode_) ||
+         IsInternalReferenceEncoded(rmode_) || IsOffHeapTarget(rmode_));
   if (IsInternalReference(rmode_)) {
     Memory<Address>(pc_) = kNullAddress;
   } else if (IsInternalReferenceEncoded(rmode_)) {

test/cctest/test-assembler-mips64.cc

@@ -6233,7 +6233,7 @@ TEST(Call_with_trampoline) {
   int pc_offset_before = __ pc_offset();
   {
     // There should be a trampoline after this Call
-    __ Call(FUNCTION_ADDR(DummyFunction), RelocInfo::RUNTIME_ENTRY);
+    __ Call(FUNCTION_ADDR(DummyFunction), RelocInfo::EXTERNAL_REFERENCE);
   }
   int pc_offset_after = __ pc_offset();
   int safepoint_pc_offset = __ pc_offset_for_safepoint();