MIPS: Use JIC/JIALC offset when possible

src/crankshaft/mips/lithium-codegen-mips.cc

 // Copyright 2012 the V8 project authors. All rights reserved.7
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 354 matching lines @@
 
     Comment(";;; call deopt");
     __ bind(&call_deopt_entry);
 
     if (info()->saves_caller_doubles()) {
       DCHECK(info()->IsStub());
       RestoreCallerDoubles();
     }
 
     // Add the base address to the offset previously loaded in entry_offset.
-    __ Addu(entry_offset, entry_offset,
-            Operand(ExternalReference::ForDeoptEntry(base)));
-    __ Jump(entry_offset);
+    if (IsMipsArchVariant(kMips32r6)) {
+      uint32_t lui_offset, jic_offset;
+      Assembler::UnpackTargetAddressUnsigned(
+          Operand(ExternalReference::ForDeoptEntry(base)).immediate(),
+          lui_offset, jic_offset);
+      masm()->RecordRelocInfo(
+          RelocInfo::EXTERNAL_REFERENCE,
+          Operand(ExternalReference::ForDeoptEntry(base)).immediate());
+      __ aui(entry_offset, entry_offset, lui_offset);
+      __ Jump(entry_offset, jic_offset);
+    } else {
+      __ Addu(entry_offset, entry_offset,
+              Operand(ExternalReference::ForDeoptEntry(base)));
+      __ Jump(entry_offset);
+    }
   }
   __ RecordComment("]");
 
   // The deoptimization jump table is the last part of the instruction
   // sequence. Mark the generated code as done unless we bailed out.
   if (!is_aborted()) status_ = DONE;
   return !is_aborted();
 }
 
 
@@ skipping 5026 matching lines @@
   __ lw(result, FieldMemOperand(scratch,
                                 FixedArray::kHeaderSize - kPointerSize));
   __ bind(deferred->exit());
   __ bind(&done);
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8