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-rw-r--r--src/sail.ml3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/sail.ml b/src/sail.ml
index 3c277fab..c2b2ed65 100644
--- a/src/sail.ml
+++ b/src/sail.ml
@@ -196,6 +196,9 @@ let options = Arg.align ([
( "-Oconstant_fold",
Arg.Set Constant_fold.optimize_constant_fold,
" apply constant folding optimizations");
+ ( "-Oint128",
+ Arg.Set C_backend.optimize_int128,
+ " use 128-bit integers rather than GMP arbitrary precision integers");
( "-Oaarch64_fast",
Arg.Set Jib_compile.optimize_aarch64_fast_struct,
" apply ARMv8.5 specific optimizations (potentially unsound in general)");