commit 0bc60bd7b34ad6e59b47dbf91179ba9427a85df7
author Peter Maydell <peter.maydell@linaro.org> Mon Mar 17 16:00:40 2014 +0000
committer Michael Tokarev <mjt@tls.msk.ru> Thu Mar 27 19:22:49 2014 +0400
tree 149f10efad311812ea0549bde5d7692abfd420c0
parent 7d45e784015971e70239e33256fd606638107a3e

hw/intc/xilinx_intc: Avoid shifting left into sign bit

Avoid undefined behaviour shifting left into the sign bit.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Michael Tokarev <mjt@tls.msk.ru>

hw/intc/xilinx_intc.c

diff --git a/hw/intc/xilinx_intc.c b/hw/intc/xilinx_intc.c
index 4a10398..1b228ff 100644
--- a/hw/intc/xilinx_intc.c
+++ b/hw/intc/xilinx_intc.c
@@ -71,8 +71,9 @@
 
     /* Update the vector register.  */
     for (i = 0; i < 32; i++) {
-        if (p->regs[R_IPR] & (1 << i))
+        if (p->regs[R_IPR] & (1U << i)) {
             break;
+        }
     }
     if (i == 32)
         i = ~0;