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Diffstat (limited to 'ia32/Asmexpand.ml')
| -rw-r--r-- | ia32/Asmexpand.ml | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/ia32/Asmexpand.ml b/ia32/Asmexpand.ml index dcea9de4..d7b554dc 100644 --- a/ia32/Asmexpand.ml +++ b/ia32/Asmexpand.ml @@ -343,6 +343,9 @@ let expand_builtin_inline name args res = (* Synchronization *) | "__builtin_membar", [], _ -> () + (* no operation *) + | "__builtin_nop", [], _ -> + emit (Pxchg_rr (EAX,EAX)) (* Catch-all *) | _ -> raise (Error ("unrecognized builtin " ^ name)) |