From: Giacomo Travaglini <giacomo.travaglini@arm.com>
Date: Mon, 9 Dec 2019 13:59:23 +0000 (+0000)
Subject: arch-arm: Always initialize SVE memData
X-Git-Tag: v19.0.0.0~194
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8e5217123d1d9375e04a25b7ce9a0073ca48622c;p=gem5.git

arch-arm: Always initialize SVE memData

Some compilers will produce a warning when using an uninitialized
memData.

JIRA: https://gem5.atlassian.net/browse/GEM5-196

Change-Id: I19e197b15729a03da546a0188917a9b3e7bf31b7
Signed-off-by: Giacomo Travaglini <giacomo.travaglini@arm.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/23525
Reviewed-by: Jason Lowe-Power <jason@lowepower.com>
Tested-by: kokoro <noreply+kokoro@google.com>
---

diff --git a/src/arch/arm/isa/templates/sve_mem.isa b/src/arch/arm/isa/templates/sve_mem.isa
index 933a78494..346f47c54 100644
--- a/src/arch/arm/isa/templates/sve_mem.isa
+++ b/src/arch/arm/isa/templates/sve_mem.isa
@@ -314,7 +314,7 @@ def template SveLoadAndReplExecute {{
         %(op_rd)s;
         %(ea_code)s;
 
-        MemElemType memData;
+        MemElemType memData = 0;
 
         if (fault == NoFault) {
             fault = readMemAtomicLE(xc, traceData, EA, memData,
@@ -344,7 +344,7 @@ def template SveLoadAndReplInitiateAcc {{
 
         %(ea_code)s;
 
-        MemElemType memData;
+        MemElemType memData = 0;
 
         if (fault == NoFault) {
             fault = initiateMemRead(xc, traceData, EA, memData,
@@ -368,7 +368,7 @@ def template SveLoadAndReplCompleteAcc {{
         %(op_decl)s;
         %(op_rd)s;
 
-        MemElemType memData;
+        MemElemType memData = 0;
         getMemLE(pkt, memData, traceData);
 
         if (fault == NoFault) {
@@ -597,7 +597,7 @@ def template SveGatherLoadMicroopInitiateAcc {{
         %(op_rd)s;
         %(ea_code)s;
 
-        MemElemType memData;
+        MemElemType memData = 0;
 
         int index = elemIndex;
         if (%(pred_check_code)s) {
@@ -663,7 +663,7 @@ def template SveScatterStoreMicroopExecute {{
         %(op_rd)s;
         %(ea_code)s;
 
-        MemElemType memData;
+        MemElemType memData = 0;
         %(memacc_code)s;
 
         int index = elemIndex;
@@ -693,7 +693,7 @@ def template SveScatterStoreMicroopInitiateAcc {{
         %(op_rd)s;
         %(ea_code)s;
 
-        MemElemType memData;
+        MemElemType memData = 0;
         %(memacc_code)s;
 
         int index = elemIndex;