Bug 1280841 - IonMonkey: MIPS: Fix MacroAssembler::storePtr(ImmGCPtr). r=jandem

---
 js/src/jit/mips32/MacroAssembler-mips32.cpp | 3 ++-
 js/src/jit/mips64/MacroAssembler-mips64.cpp | 3 ++-
 2 files changed, 4 insertions(+), 2 deletions(-)

js/src/jit/mips32/MacroAssembler-mips32.cpp

@@ -1048,7 +1048,8 @@ template <typename T>
 void
 MacroAssemblerMIPSCompat::storePtr(ImmGCPtr imm, T address)
 {
-    storePtr(ImmWord(uintptr_t(imm.value)), address);
+    movePtr(imm, SecondScratchReg);
+    storePtr(SecondScratchReg, address);
 }
 
 template void MacroAssemblerMIPSCompat::storePtr<Address>(ImmGCPtr imm, Address address);

js/src/jit/mips64/MacroAssembler-mips64.cpp

@@ -1196,7 +1196,8 @@ template <typename T>
 void
 MacroAssemblerMIPS64Compat::storePtr(ImmGCPtr imm, T address)
 {
-    storePtr(ImmWord(uintptr_t(imm.value)), address);
+    movePtr(imm, SecondScratchReg);
+    storePtr(SecondScratchReg, address);
 }
 
 template void MacroAssemblerMIPS64Compat::storePtr<Address>(ImmGCPtr imm, Address address);