From 79cd1b2795241e23c5950f6ec7a7fe666d25ad70 Mon Sep 17 00:00:00 2001
From: eteo <eteo>
Date: Sat, 22 Apr 2006 06:45:59 +0000
Subject: 2006-04-21  Eugene Teo  <eteo@redhat.com>

	PR 1326
	* translate.cxx (c_unparser::visit_binary_expression): Handle
	negative left and right shift count.
---
 ChangeLog     |  6 ++++++
 translate.cxx | 13 ++++++++++---
 2 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index f65efd14..4a2a5546 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2006-04-21  Eugene Teo  <eteo@redhat.com>
+
+	PR 1326
+	* translate.cxx (c_unparser::visit_binary_expression): Handle
+	negative left and right shift count.
+
 2006-04-21  Frank Ch. Eigler  <fche@elastic.org>
 
 	PR 953
diff --git a/translate.cxx b/translate.cxx
index e0b1f8aa..83d6dd93 100644
--- a/translate.cxx
+++ b/translate.cxx
@@ -2468,9 +2468,7 @@ c_unparser::visit_binary_expression (binary_expression* e)
       e->op == "*" ||
       e->op == "&" ||
       e->op == "|" ||
-      e->op == "^" ||
-      e->op == "<<" ||
-      e->op == ">>")
+      e->op == "^")
     {
       o->line() << "((";
       e->left->visit (this);
@@ -2478,6 +2476,15 @@ c_unparser::visit_binary_expression (binary_expression* e)
       e->right->visit (this);
       o->line() << "))";
     }
+  else if (e->op == ">>" ||
+           e->op == "<<")
+    {
+      o->line() << "((";
+      e->left->visit (this);
+      o->line() << ") " << e->op << "max(min(";
+      e->right->visit (this);
+      o->line() << ", (int64_t)64LL), (int64_t)0LL))"; // between 0 and 64
+    }
   else if (e->op == "/" ||
            e->op == "%")
     {
-- 
cgit