MIPS: Fix unaligned read of bytecodes in interpreter.

src/interpreter/bytecodes.cc

Index: src/interpreter/bytecodes.cc
diff --git a/src/interpreter/bytecodes.cc b/src/interpreter/bytecodes.cc
index 8b99f4fb1ce97bc46763a45d71e85117ae015a86..ccb340273d532c49bfa45a3c46c2ab0857ffea90 100644
--- a/src/interpreter/bytecodes.cc
+++ b/src/interpreter/bytecodes.cc
@@ -183,13 +183,13 @@ bool Bytecodes::IsJumpConstant(Bytecode bytecode) {
 
 // static
 uint16_t Bytecodes::ShortOperandFromBytes(const uint8_t* bytes) {
-  return *reinterpret_cast<const uint16_t*>(bytes);
+  return ReadShortValue(bytes);

[rmcilroy, 2015/11/05 18:12:01]

Could you call this ReadUnalignedUInt16 and get rid of ShortOperandFromBytes and
just replace all calls with the util method (and same for Write below).

[akos.palfi.imgtec, 2015/11/05 23:18:00]

Done.

 }
 
 
 // static
 void Bytecodes::ShortOperandToBytes(uint16_t operand, uint8_t* bytes_out) {
-  *reinterpret_cast<uint16_t*>(bytes_out) = operand;
+  WriteShortValue(bytes_out, operand);
 }