1 files changed, 1 insertions, 1 deletions
diff --git a/src/arch/hsail/gpu_types.hh b/src/arch/hsail/gpu_types.hh
index 4b3a66a9a..7b6689d67 100644
--- a/src/arch/hsail/gpu_types.hh
+++ b/src/arch/hsail/gpu_types.hh
@@ -51,7 +51,7 @@ namespace HsailISA
     // our model uses to represent an actual instruction. In
     // the case of HSAIL this is just an index into a list of
     // instruction objects.
-    typedef uint64_t RawMachInst;
+    typedef uint32_t RawMachInst;
 
     // The MachInst is a representation of an instruction
     // that has more information than just the machine code.