PPC/S390: Fix to use correct instr to test bitmask

R=joransiu@ca.ibm.com, jyan@ca.ibm.com, michael_dawson@ca.ibm.com
BUG=
LOG=N

Review-Url: https://codereview.chromium.org/2800813002
Cr-Commit-Position: refs/heads/master@{#44618}

src/builtins/ppc/builtins-ppc.cc

@@ -672,7 +672,8 @@ void Builtins::Generate_ResumeGeneratorTrampoline(MacroAssembler* masm) {
   // Store input value into generator object.
   Label async_await, done_store_input;
 
-  __ And(r6, r6, Operand(static_cast<int>(SuspendFlags::kAsyncGeneratorAwait)));
+  __ andi(r6, r6,
+          Operand(static_cast<int>(SuspendFlags::kAsyncGeneratorAwait)));
   __ cmpi(r6, Operand(static_cast<int>(SuspendFlags::kAsyncGeneratorAwait)));
   __ beq(&async_await);
 

src/builtins/s390/builtins-s390.cc

@@ -670,7 +670,8 @@ void Builtins::Generate_ResumeGeneratorTrampoline(MacroAssembler* masm) {
   // Store input value into generator object.
   Label async_await, done_store_input;
 
-  __ And(r5, r5, Operand(static_cast<int>(SuspendFlags::kAsyncGeneratorAwait)));
+  __ AndP(r5, r5,
+          Operand(static_cast<int>(SuspendFlags::kAsyncGeneratorAwait)));
   __ CmpP(r5, Operand(static_cast<int>(SuspendFlags::kAsyncGeneratorAwait)));
   __ beq(&async_await);
 

src/ppc/macro-assembler-ppc.cc

@@ -2629,7 +2629,7 @@ void MacroAssembler::AssertGeneratorObject(Register object, Register flags) {
   // `flags` should be an untagged integer. See `SuspendFlags` in src/globals.h
   if (!emit_debug_code()) return;
   TestIfSmi(object, r0);
-  Check(ne, kOperandIsASmiAndNotAGeneratorObject);
+  Check(ne, kOperandIsASmiAndNotAGeneratorObject, cr0);
 
   // Load map
   Register map = object;
@@ -2637,9 +2637,8 @@ void MacroAssembler::AssertGeneratorObject(Register object, Register flags) {
   LoadP(map, FieldMemOperand(object, HeapObject::kMapOffset));
 
   Label async, do_check;
-  And(ip, flags, Operand(static_cast<int>(SuspendFlags::kGeneratorTypeMask)));
-  cmpi(ip, Operand(static_cast<int>(SuspendFlags::kGeneratorTypeMask)));
-  bne(&async);
+  TestBitMask(flags, static_cast<int>(SuspendFlags::kGeneratorTypeMask), r0);
+  bne(&async, cr0);
 
   // Check if JSGeneratorObject
   CompareInstanceType(map, object, JS_GENERATOR_OBJECT_TYPE);

src/s390/macro-assembler-s390.cc

@@ -2413,8 +2413,7 @@ void MacroAssembler::AssertGeneratorObject(Register object, Register flags) {
   LoadP(map, FieldMemOperand(object, HeapObject::kMapOffset));
 
   Label async, do_check;
-  And(ip, flags, Operand(static_cast<int>(SuspendFlags::kGeneratorTypeMask)));
-  CmpP(ip, Operand(static_cast<int>(SuspendFlags::kGeneratorTypeMask)));
+  tmll(flags, Operand(static_cast<int>(SuspendFlags::kGeneratorTypeMask)));
   bne(&async);
 
   // Check if JSGeneratorObject