MIPS: Use JIC/JIALC offset when possible

src/mips/code-stubs-mips.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #if V8_TARGET_ARCH_MIPS
 
 #include "src/code-stubs.h"
 #include "src/api-arguments.h"
 #include "src/base/bits.h"
 #include "src/bootstrapper.h"
@@ skipping 1084 matching lines @@
   Label zero;
   __ Branch(&zero, eq, cp, Operand(zero_reg));
   __ sw(cp, MemOperand(fp, StandardFrameConstants::kContextOffset));
   __ bind(&zero);
 
   // Compute the handler entry address and jump to it.
   __ li(a1, Operand(pending_handler_code_address));
   __ lw(a1, MemOperand(a1));
   __ li(a2, Operand(pending_handler_offset_address));
   __ lw(a2, MemOperand(a2));
-  __ Addu(a1, a1, Operand(Code::kHeaderSize - kHeapObjectTag));
   __ Addu(t9, a1, a2);
-  __ Jump(t9);
+  __ Jump(t9, Code::kHeaderSize - kHeapObjectTag);
 }
 
 
 void JSEntryStub::Generate(MacroAssembler* masm) {
   Label invoke, handler_entry, exit;
   Isolate* isolate = masm->isolate();
 
   // Registers:
   // a0: entry address
   // a1: function
@@ skipping 112 matching lines @@
     ExternalReference construct_entry(Builtins::kJSConstructEntryTrampoline,
                                       isolate);
     __ li(t0, Operand(construct_entry));
   } else {
     ExternalReference entry(Builtins::kJSEntryTrampoline, masm->isolate());
     __ li(t0, Operand(entry));
   }
   __ lw(t9, MemOperand(t0));  // Deref address.
 
   // Call JSEntryTrampoline.
-  __ addiu(t9, t9, Code::kHeaderSize - kHeapObjectTag);
-  __ Call(t9);
+  __ Call(t9, Code::kHeaderSize - kHeapObjectTag);
 
   // Unlink this frame from the handler chain.
   __ PopStackHandler();
 
   __ bind(&exit);  // v0 holds result
   // Check if the current stack frame is marked as the outermost JS frame.
   Label non_outermost_js_2;
   __ pop(t1);
   __ Branch(&non_outermost_js_2, ne, t1,
             Operand(StackFrame::OUTERMOST_JSENTRY_FRAME));
@@ skipping 162 matching lines @@
 
   __ AssertUndefinedOrAllocationSite(a2, t1);
 
   // Pass function as new target.
   __ mov(a3, a1);
 
   // Tail call to the function-specific construct stub (still in the caller
   // context at this point).
   __ lw(t0, FieldMemOperand(a1, JSFunction::kSharedFunctionInfoOffset));
   __ lw(t0, FieldMemOperand(t0, SharedFunctionInfo::kConstructStubOffset));
-  __ Addu(at, t0, Operand(Code::kHeaderSize - kHeapObjectTag));
-  __ Jump(at);
+  __ Jump(at, t0, Code::kHeaderSize - kHeapObjectTag);
 
   __ bind(&non_function);
   __ mov(a3, a1);
   __ Jump(isolate()->builtins()->Construct(), RelocInfo::CODE_TARGET);
 }
 
 // StringCharCodeAtGenerator.
 void StringCharCodeAtGenerator::GenerateFast(MacroAssembler* masm) {
   DCHECK(!t0.is(index_));
   DCHECK(!t0.is(result_));
@@ skipping 1667 matching lines @@
                            kStackUnwindSpace, kInvalidStackOffset,
                            return_value_operand, NULL);
 }
 
 #undef __
 
 }  // namespace internal
 }  // namespace v8
 
 #endif  // V8_TARGET_ARCH_MIPS