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-rw-r--r--compiler/GHC/CmmToC.hs1
1 files changed, 1 insertions, 0 deletions
diff --git a/compiler/GHC/CmmToC.hs b/compiler/GHC/CmmToC.hs
index d7b3fb05eb..bcead719a9 100644
--- a/compiler/GHC/CmmToC.hs
+++ b/compiler/GHC/CmmToC.hs
@@ -835,6 +835,7 @@ pprCallishMachOp_for_C mop
(MO_Ctz w) -> ptext (sLit $ ctzLabel w)
(MO_AtomicRMW w amop) -> ptext (sLit $ atomicRMWLabel w amop)
(MO_Cmpxchg w) -> ptext (sLit $ cmpxchgLabel w)
+ (MO_Xchg w) -> ptext (sLit $ xchgLabel w)
(MO_AtomicRead w) -> ptext (sLit $ atomicReadLabel w)
(MO_AtomicWrite w) -> ptext (sLit $ atomicWriteLabel w)
(MO_UF_Conv w) -> ptext (sLit $ word2FloatLabel w)