From 280675eb80d200e04e15c2b8539ec6778f24204d Mon Sep 17 00:00:00 2001
From: Anton Mitrokhin <anton.mitrokhin@phystech.edu>
Date: Thu, 12 Feb 2015 15:10:38 +0300
Subject: [PATCH] add comments regarding constant 'true' field

---
 cbackend.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cbackend.cpp b/cbackend.cpp
index 4c13ba20..4afc60e5 100644
--- a/cbackend.cpp
+++ b/cbackend.cpp
@@ -4517,7 +4517,7 @@ void CWriter::visitAtomicCmpXchgInst(llvm::AtomicCmpXchgInst &ACXI) {
     Out << ", ";
     writeOperand(ACXI.getNewValOperand());
     Out << "), ";
-    Out << "true"; // The result of the instruction is always success
+    Out << "true /* There is no way to learn the value of this bit inside ISPC, so making it constant */"; 
     Out << ")";
 }