Require SSE2 support for the ia32 port.

src/mips/code-stubs-mips.cc

Index: src/mips/code-stubs-mips.cc
diff --git a/src/mips/code-stubs-mips.cc b/src/mips/code-stubs-mips.cc
index 79af21940cf0e919fec55d5f80c5a31ebf351dd0..94f3f3d6409abb0a5e707dfca6d0e2e89442d669 100644
--- a/src/mips/code-stubs-mips.cc
+++ b/src/mips/code-stubs-mips.cc
@@ -4660,11 +4660,6 @@ void StoreBufferOverflowStub::GenerateFixedRegStubsAheadOfTime(
 }
 
 
-bool CodeStub::CanUseFPRegisters() {
-  return true;  // FPU is a base requirement for V8.
-}
-
-
 // Takes the input in 3 registers: address_ value_ and object_.  A pointer to
 // the value has just been written into the object, now this stub makes sure
 // we keep the GC informed.  The word in the object where the value has been