PPC/s390: [ic] Initialize feedback slots for LoadGlobalIC in...

PPC/s390: [ic] Initialize feedback slots for LoadGlobalIC in Runtime::kDeclareGlobals when possible to avoid misses.

Port b9a7b281

    Fixed minor register mapping issue in ppc/s390 files.

R=ishell@chromium.org, joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com, mbrandy@us.ibm.com

BUG=chromium:576312
LOG=N

Review-Url: https://codereview.chromium.org/2146053002
Cr-Commit-Position: refs/heads/master@{#37725}

src/full-codegen/ppc/full-codegen-ppc.cc

@@ -836,8 +836,8 @@ void FullCodeGenerator::DeclareGlobals(Handle<FixedArray> pairs) {
   // Call the runtime to declare the globals.
   __ mov(r4, Operand(pairs));
   __ LoadSmiLiteral(r3, Smi::FromInt(DeclareGlobalsFlags()));
-  __ EmitLoadTypeFeedbackVector(r0);
-  __ Push(r4, r3, r0);
+  __ EmitLoadTypeFeedbackVector(r5);
+  __ Push(r4, r3, r5);
   __ CallRuntime(Runtime::kDeclareGlobals);
   // Return value is ignored.
 }

src/full-codegen/s390/full-codegen-s390.cc

@@ -811,8 +811,8 @@ void FullCodeGenerator::DeclareGlobals(Handle<FixedArray> pairs) {
   // Call the runtime to declare the globals.
   __ mov(r3, Operand(pairs));
   __ LoadSmiLiteral(r2, Smi::FromInt(DeclareGlobalsFlags()));
-  __ EmitLoadTypeFeedbackVector(r0);
-  __ Push(r3, r2, r0);
+  __ EmitLoadTypeFeedbackVector(r4);
+  __ Push(r3, r2, r4);
   __ CallRuntime(Runtime::kDeclareGlobals);
   // Return value is ignored.
 }