[MSP430] Fix encodeInstruction() for big endian hosts

Reviewers: asl

Subscribers: llvm-commits

Differential Revision: https://reviews.llvm.org/D54251

llvm-svn: 346391

1 files changed, 3 insertions, 4 deletions

diff --git a/llvm/lib/Target/MSP430/MCTargetDesc/MSP430MCCodeEmitter.cpp b/llvm/lib/Target/MSP430/MCTargetDesc/MSP430MCCodeEmitter.cpp
index ba9f7d7a9a5..adf2384f6e9 100644
--- a/llvm/lib/Target/MSP430/MCTargetDesc/MSP430MCCodeEmitter.cpp
+++ b/llvm/lib/Target/MSP430/MCTargetDesc/MSP430MCCodeEmitter.cpp
@@ -91,12 +91,11 @@ void MSP430MCCodeEmitter::encodeInstruction(const MCInst &MI, raw_ostream &OS,
   Offset = 2;
 
   uint64_t BinaryOpCode = getBinaryCodeForInstr(MI, Fixups, STI);
-  const uint16_t *Words = reinterpret_cast<uint16_t const *>(&BinaryOpCode);
   size_t WordCount = Size / 2;
 
-  for (size_t i = 0; i < WordCount; ++i) {
-    uint16_t Word = Words[i];
-    support::endian::write(OS, Word, support::little);
+  while (WordCount--) {
+    support::endian::write(OS, (uint16_t)BinaryOpCode, support::little);
+    BinaryOpCode >>= 16;
   }
 }