PPC/s390: [builtins] Introduce a builtin for Abort().

src/ppc/macro-assembler-ppc.cc

Index: src/ppc/macro-assembler-ppc.cc
diff --git a/src/ppc/macro-assembler-ppc.cc b/src/ppc/macro-assembler-ppc.cc
index 888987b02e9760262c550e1500f51b99393f02f9..9f808ff4c1f460ce6ab1ffcb98cecef8ed42aeca 100644
--- a/src/ppc/macro-assembler-ppc.cc
+++ b/src/ppc/macro-assembler-ppc.cc
@@ -2896,16 +2896,19 @@ void MacroAssembler::Abort(BailoutReason reason) {
   }
 #endif
 
-  LoadSmiLiteral(r0, Smi::FromInt(reason));
-  push(r0);
+  // Check if Abort() has already been initialized.
+  DCHECK(isolate()->builtins()->Abort()->IsHeapObject());
+
+  LoadSmiLiteral(r4, Smi::FromInt(static_cast<int>(reason)));
+
   // Disable stub call restrictions to always allow calls to abort.
   if (!has_frame_) {
     // We don't actually want to generate a pile of code for this, so just
     // claim there is a stack frame, without generating one.
     FrameScope scope(this, StackFrame::NONE);
-    CallRuntime(Runtime::kAbort);
+    Call(isolate()->builtins()->Abort(), RelocInfo::CODE_TARGET);
   } else {
-    CallRuntime(Runtime::kAbort);
+    Call(isolate()->builtins()->Abort(), RelocInfo::CODE_TARGET);
   }
   // will not return here
 }