arch-arm: Initialize some cases of destReg

Some compilers complained that this variable may be uninitialized. This
change initializes it to 0.

Change-Id: I201d75ba05ce49d13bbaf4d67e1c728ef704fdf0
Signed-off-by: Jason Lowe-Power <jason@lowepower.com>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/34335
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Reviewed-by: Bobby R. Bruce <bbruce@ucdavis.edu>
Reviewed-by: mike upton <michaelupton@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>

diff --git a/src/arch/arm/isa/insts/neon.isa b/src/arch/arm/isa/insts/neon.isa
index 1dfefe7c30bf264b241d264b78492f04a31f4e75..c8f8fcd849cfeaa3d44328ef1ebec358398b8a06 100644 (file)
--- a/src/arch/arm/isa/insts/neon.isa
+++ b/src/arch/arm/isa/insts/neon.isa
@@ -1452,7 +1452,7 @@ let {{
         rCount = 2
         eWalkCode = simdEnabledCheckCode + '''
         RegVect srcReg1, srcReg2;
-        BigRegVect destReg;
+        BigRegVect destReg = {0};
         '''
         for reg in range(rCount):
             eWalkCode += '''
@@ -1654,7 +1654,7 @@ let {{
         global header_output, exec_output
         eWalkCode = simdEnabledCheckCode + '''
         RegVect srcReg1;
-        BigRegVect destReg;
+        BigRegVect destReg = {0};
         '''
         for reg in range(2):
             eWalkCode += '''
@@ -1884,7 +1884,7 @@ let {{
         global header_output, exec_output
         eWalkCode = simdEnabledCheckCode + '''
         RegVect srcRegs;
-        BigRegVect destReg;
+        BigRegVect destReg = {0};
         '''
         for reg in range(rCount):
             eWalkCode += '''
@@ -2010,7 +2010,7 @@ let {{
         global header_output, exec_output
         eWalkCode = simdEnabledCheckCode + '''
         RegVect srcReg1;
-        BigRegVect destReg;
+        BigRegVect destReg = {0};
         '''
         for reg in range(2):
             eWalkCode += '''

diff --git a/src/arch/arm/isa/insts/neon64.isa b/src/arch/arm/isa/insts/neon64.isa
index b9729a160f1a65d573e341cec34f9f4c66f607bc..702c128ccf8a54b6ada82696dba7e1febb5dcb64 100644 (file)
--- a/src/arch/arm/isa/insts/neon64.isa
+++ b/src/arch/arm/isa/insts/neon64.isa
@@ -351,7 +351,7 @@ let {{
         global header_output, exec_output
         eWalkCode = simd64EnabledCheckCode + '''
         RegVect srcReg1;
-        BigRegVect destReg;
+        BigRegVect destReg = {0};
         '''
         destReg = 0 if not hi else 2
         for reg in range(2):
@@ -632,7 +632,7 @@ let {{
         global header_output, exec_output
         eWalkCode = simd64EnabledCheckCode + '''
         RegVect srcRegs;
-        BigRegVect destReg;
+        BigRegVect destReg = {0};
         '''
         for reg in range(rCount):
             eWalkCode += '''