From 7ee2de31c4ed6d4eb0f57dcc798fd1126e9fa314 Mon Sep 17 00:00:00 2001
From: Giacomo Gabrielli <Giacomo.Gabrielli@arm.com>
Date: Wed, 23 Feb 2011 15:10:50 -0600
Subject: ARM: NEON instruction templates modified to set the predicate flag to
 false when needed.

---
 src/arch/arm/isa/templates/macromem.isa |  2 ++
 src/arch/arm/isa/templates/mem.isa      | 15 ++++++++++++---
 src/arch/arm/isa/templates/neon.isa     |  4 ++++
 3 files changed, 18 insertions(+), 3 deletions(-)

(limited to 'src/arch')

diff --git a/src/arch/arm/isa/templates/macromem.isa b/src/arch/arm/isa/templates/macromem.isa
index 7620fb871..b7ca7fa48 100644
--- a/src/arch/arm/isa/templates/macromem.isa
+++ b/src/arch/arm/isa/templates/macromem.isa
@@ -202,6 +202,8 @@ def template MicroNeonMixExecute {{
             {
                 %(op_wb)s;
             }
+        } else {
+            xc->setPredicate(false);
         }
 
         if (fault == NoFault && machInst.itstateMask != 0) {
diff --git a/src/arch/arm/isa/templates/mem.isa b/src/arch/arm/isa/templates/mem.isa
index 66384331b..3d073b322 100644
--- a/src/arch/arm/isa/templates/mem.isa
+++ b/src/arch/arm/isa/templates/mem.isa
@@ -234,6 +234,8 @@ def template NeonLoadExecute {{
             if (fault == NoFault) {
                 %(op_wb)s;
             }
+        } else {
+            xc->setPredicate(false);
         }
 
         if (fault == NoFault && machInst.itstateMask != 0 &&
@@ -313,6 +315,8 @@ def template NeonStoreExecute {{
             if (fault == NoFault) {
                 %(op_wb)s;
             }
+        } else {
+            xc->setPredicate(false);
         }
 
         if (fault == NoFault && machInst.itstateMask != 0 &&
@@ -459,6 +463,8 @@ def template NeonStoreInitiateAcc {{
                 fault = xc->writeBytes(memUnion.bytes, %(size)d, EA,
                                        memAccessFlags, NULL);
             }
+        } else {
+            xc->setPredicate(false);
         }
 
         if (fault == NoFault && machInst.itstateMask != 0 &&
@@ -515,9 +521,12 @@ def template NeonLoadInitiateAcc {{
             if (fault == NoFault) {
                 fault = xc->readBytes(EA, NULL, %(size)d, memAccessFlags);
             }
-        } else if (fault == NoFault && machInst.itstateMask != 0 &&
-                (!isMicroop() || isLastMicroop())) {
-            xc->setMiscReg(MISCREG_ITSTATE, machInst.newItstate);
+        } else {
+            xc->setPredicate(false);
+            if (fault == NoFault && machInst.itstateMask != 0 &&
+                   (!isMicroop() || isLastMicroop())) {
+                xc->setMiscReg(MISCREG_ITSTATE, machInst.newItstate);
+            }
         }
 
         return fault;
diff --git a/src/arch/arm/isa/templates/neon.isa b/src/arch/arm/isa/templates/neon.isa
index 02c2bb30d..2e88c9333 100644
--- a/src/arch/arm/isa/templates/neon.isa
+++ b/src/arch/arm/isa/templates/neon.isa
@@ -225,6 +225,8 @@ def template NeonEqualRegExecute {{
             {
                 %(op_wb)s;
             }
+        } else {
+            xc->setPredicate(false);
         }
 
         if (fault == NoFault && machInst.itstateMask != 0) {
@@ -275,6 +277,8 @@ def template NeonUnequalRegExecute {{
             {
                 %(op_wb)s;
             }
+        } else {
+            xc->setPredicate(false);
         }
 
         if (fault == NoFault && machInst.itstateMask != 0) {
-- 
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