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-rw-r--r--src/vm/comdelegate.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/vm/comdelegate.h b/src/vm/comdelegate.h
index 3d5ec8e30e..330f1f8886 100644
--- a/src/vm/comdelegate.h
+++ b/src/vm/comdelegate.h
@@ -194,6 +194,7 @@ struct ShuffleEntry
OFSMASK = 0x7fff, // Mask to get stack offset
OFSREGMASK = 0x1fff, // Mask to get register index
SENTINEL = 0xffff, // Indicates end of shuffle array
+ HELPERREG = 0xcfff, // Use a helper register as source or destination (used to handle cycles in the shuffling)
};
#if defined(_TARGET_AMD64_) && !defined(UNIX_AMD64_ABI)