Fix bounds check for the cwp

--HG--
extra : convert_revision : 097e6b0c80d71417329b2a4cd118046aa5ed777a

diff --git a/src/arch/sparc/miscregfile.cc b/src/arch/sparc/miscregfile.cc
index 20bc4ae5dddcb4d64e58c7bf747229e4f162c50e..ac30afde98eb8344797c55513a20909ebbcfd01b 100644 (file)
--- a/src/arch/sparc/miscregfile.cc
+++ b/src/arch/sparc/miscregfile.cc
@@ -654,7 +654,12 @@ void MiscRegFile::setReg(int miscReg,
 #endif
         return;
       case MISCREG_CWP:
-        new_val = val > NWindows ? NWindows - 1 : val;
+        new_val = val >= NWindows ? NWindows - 1 : val;
+        if (val >= NWindows) {
+            new_val = NWindows - 1;
+            warn("Attempted to set the CWP to %d with NWindows = %d\n",
+                    val, NWindows);
+        }
         tc->changeRegFileContext(CONTEXT_CWP, new_val);
         break;
       case MISCREG_GL: