From 5480ec798aba313a03c0760d88aeadff1037f48d Mon Sep 17 00:00:00 2001
From: Ali Saidi <Ali.Saidi@ARM.com>
Date: Thu, 17 Mar 2011 19:20:20 -0500
Subject: ARM: Identify branches as conditional or unconditional and  direct or
 indirect.

---
 src/arch/arm/types.hh | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'src/arch/arm/types.hh')

diff --git a/src/arch/arm/types.hh b/src/arch/arm/types.hh
index e6865e280..b4ef07d8a 100644
--- a/src/arch/arm/types.hh
+++ b/src/arch/arm/types.hh
@@ -203,6 +203,7 @@ namespace ArmISA
         uint8_t flags;
         uint8_t nextFlags;
         uint8_t forcedItStateValue;
+        uint8_t _size;
         bool forcedItStateValid;
       public:
         PCState() : flags(0), nextFlags(0), forcedItStateValue(0), forcedItStateValid(false)
@@ -248,6 +249,16 @@ namespace ArmISA
                 nextFlags &= ~ThumbBit;
         }
 
+        void size(uint8_t s) { _size = s; }
+        uint8_t size() const { return _size; }
+
+        bool
+        branching() const
+        {
+            return ((this->pc() + this->size()) != this->npc());
+        }
+
+
         bool
         jazelle() const
         {
@@ -392,6 +403,7 @@ namespace ArmISA
         {
             Base::serialize(os);
             SERIALIZE_SCALAR(flags);
+            SERIALIZE_SCALAR(_size);
             SERIALIZE_SCALAR(nextFlags);
             SERIALIZE_SCALAR(forcedItStateValue);
             SERIALIZE_SCALAR(forcedItStateValid);
@@ -402,6 +414,7 @@ namespace ArmISA
         {
             Base::unserialize(cp, section);
             UNSERIALIZE_SCALAR(flags);
+            UNSERIALIZE_SCALAR(_size);
             UNSERIALIZE_SCALAR(nextFlags);
             UNSERIALIZE_SCALAR(forcedItStateValue);
             UNSERIALIZE_SCALAR(forcedItStateValid);
-- 
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