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author | Michael Schmidt <github@mschmidt.me> | 2015-12-14 09:51:46 +0100 |
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committer | Michael Schmidt <github@mschmidt.me> | 2015-12-14 09:51:46 +0100 |
commit | 08365cdd07e1b688b5a3885b9cf69626af63baf2 (patch) | |
tree | fca173335923c94d174889a0cd68f61c9ec6d04a /ia32/Asmexpand.ml | |
parent | 75a55495bdde3eb2366dd164a4c44f416fc592a0 (diff) | |
download | compcert-08365cdd07e1b688b5a3885b9cf69626af63baf2.tar.gz compcert-08365cdd07e1b688b5a3885b9cf69626af63baf2.zip |
bug 17752, builtin_nop for ia32
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)) |