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-rw-r--r--backend/Coloring.v2
1 files changed, 2 insertions, 0 deletions
diff --git a/backend/Coloring.v b/backend/Coloring.v
index 0b8a4cc..57f7d59 100644
--- a/backend/Coloring.v
+++ b/backend/Coloring.v
@@ -150,6 +150,8 @@ Definition add_edges_instr
(add_interf_op res live
(add_interf_call
(Regset.remove res live) destroyed_at_call_regs g)))
+ | Itailcall sig ros args =>
+ add_prefs_call args (loc_arguments sig) g
| Ialloc arg res s =>
add_pref_mreg arg loc_alloc_argument
(add_pref_mreg res loc_alloc_result