From: Mike Frysinger <vapier@gentoo.org>
Date: Tue, 15 Mar 2011 20:10:40 +0000 (+0000)
Subject: sim: bfin: handle AZ updates with 16bit adds/subs
X-Git-Tag: gdb_7_3-branchpoint~238
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=227d265839dcb5f90383a23e36dc7d0a5df62075;p=thirdparty%2Fbinutils-gdb.git

sim: bfin: handle AZ updates with 16bit adds/subs

We weren't updating AZ when doing a 16bit add or sub insn.  Implement it.

Signed-off-by: Robin Getz <robin.getz@analog.com>
Signed-off-by: Mike Frysinger <vapier@gentoo.org>
---

diff --git a/sim/bfin/ChangeLog b/sim/bfin/ChangeLog
index deaf6158616..5973570f95c 100644
--- a/sim/bfin/ChangeLog
+++ b/sim/bfin/ChangeLog
@@ -1,3 +1,8 @@
+2011-03-15  Robin Getz  <robin.getz@analog.com>
+
+	* bfin-sim.c (decode_dsp32alu_0): Set AZ based on val for 16bit adds
+	and subs.
+
 2011-03-15  Robin Getz  <robin.getz@analog.com>
 
 	* bfin-sim.c (decode_macfunc): Move acc STOREs behind op != 3 check.
diff --git a/sim/bfin/bfin-sim.c b/sim/bfin/bfin-sim.c
index 14cf41ad70d..64153884870 100644
--- a/sim/bfin/bfin-sim.c
+++ b/sim/bfin/bfin-sim.c
@@ -4128,7 +4128,7 @@ decode_dsp32alu_0 (SIM_CPU *cpu, bu16 iw0, bu16 iw1)
 	SET_DREG_L (dst0, val);
 
       SET_ASTATREG (an, val & 0x8000);
-
+      SET_ASTATREG (az, val == 0);
     }
   else if ((aop == 0 || aop == 2) && aopcde == 9 && s == 1)
     {