[compiler,modules] Introduce JS operators for module loads and stores.

src/compiler/access-builder.cc

Index: src/compiler/access-builder.cc
diff --git a/src/compiler/access-builder.cc b/src/compiler/access-builder.cc
index 530143440d52e4726bbceeabc2fe495023c7886e..31b355d59c908e43031f83cab19ce0a6222f1ec4 100644
--- a/src/compiler/access-builder.cc
+++ b/src/compiler/access-builder.cc
@@ -433,6 +433,27 @@ FieldAccess AccessBuilder::ForMapPrototype() {
   return access;
 }
 
+// static
+FieldAccess AccessBuilder::ForModuleRegularExports() {
+  FieldAccess access = {kTaggedBase,
+                        Module::kRegularExportsOffset,
+                        Handle<Name>(),
+                        Type::OtherInternal(),
+                        MachineType::TaggedPointer(),
+                        kPointerWriteBarrier};
+  return access;
+}
+
+// static
+FieldAccess AccessBuilder::ForModuleRegularImports() {
+  FieldAccess access = {kTaggedBase,
+                        Module::kRegularImportsOffset,
+                        Handle<Name>(),
+                        Type::OtherInternal(),
+                        MachineType::TaggedPointer(),
+                        kPointerWriteBarrier};
+  return access;
+}
 
 // static
 FieldAccess AccessBuilder::ForNameHashField() {
@@ -611,6 +632,14 @@ FieldAccess AccessBuilder::ForFixedArraySlot(size_t index) {
 
 
 // static
+FieldAccess AccessBuilder::ForCellValue() {
+  FieldAccess access = {
+      kTaggedBase, Cell::kValueOffset,       Handle<Name>(),
+      Type::Any(), MachineType::AnyTagged(), kFullWriteBarrier};
+  return access;
+}
+
+// static
 FieldAccess AccessBuilder::ForContextSlot(size_t index) {
   int offset = Context::kHeaderSize + static_cast<int>(index) * kPointerSize;
   DCHECK_EQ(offset,