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 933a7849470ea447eeb46b0957002ed974a42d16..346f47c548ebc46bbde3f90da18beb364f6063d6 100644 (file)
--- 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;