From 5a632954c85e8b2b5afea124e4fc83f39c5d3598 Mon Sep 17 00:00:00 2001
From: Cyril SIX <cyril.six@kalray.eu>
Date: Tue, 1 Jun 2021 14:37:07 +0200
Subject: [BROKEN] Merge with v3.9 : something broken for __builtin_expect in
 cfrontend/C2C.ml

---
 aarch64/Asmexpand.ml | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'aarch64/Asmexpand.ml')

diff --git a/aarch64/Asmexpand.ml b/aarch64/Asmexpand.ml
index 6863b967..828c96d6 100644
--- a/aarch64/Asmexpand.ml
+++ b/aarch64/Asmexpand.ml
@@ -355,8 +355,12 @@ let expand_builtin_inline name args res =
   (* Synchronization *)
   | "__builtin_membar", [], _ ->
      ()
+  (* No operation *)
   | "__builtin_nop", [], _ ->
      emit Pnop
+  (* Optimization hint *)
+  | "__builtin_unreachable", [], _ ->
+     ()
   (* Byte swap *)
   | ("__builtin_bswap" | "__builtin_bswap32"), [BA(DR(IR(RR1 a1)))], BR(DR(IR(RR1 res))) ->
      emit (Prev(W, res, a1))
-- 
cgit