PPC/s390: [builtins] Introduce proper Float64Cos and Float64Sin.

src/crankshaft/s390/lithium-s390.cc

Index: src/crankshaft/s390/lithium-s390.cc
diff --git a/src/crankshaft/s390/lithium-s390.cc b/src/crankshaft/s390/lithium-s390.cc
index cb3cd6806af74571297e984570504325d27a2209..ae75e9dfd3d2aa48fc507ee6d639a7ccd27b7df9 100644
--- a/src/crankshaft/s390/lithium-s390.cc
+++ b/src/crankshaft/s390/lithium-s390.cc
@@ -985,6 +985,10 @@ LInstruction* LChunkBuilder::DoUnaryMathOperation(HUnaryMathOperation* instr) {
       return DoMathAbs(instr);
     case kMathLog:
       return DoMathLog(instr);
+    case kMathCos:
+      return DoMathCos(instr);
+    case kMathSin:
+      return DoMathSin(instr);
     case kMathExp:
       return DoMathExp(instr);
     case kMathSqrt:
@@ -1044,6 +1048,20 @@ LInstruction* LChunkBuilder::DoMathClz32(HUnaryMathOperation* instr) {
   return DefineAsRegister(result);
 }
 
+LInstruction* LChunkBuilder::DoMathCos(HUnaryMathOperation* instr) {
+  DCHECK(instr->representation().IsDouble());
+  DCHECK(instr->value()->representation().IsDouble());
+  LOperand* input = UseFixedDouble(instr->value(), d0);
+  return MarkAsCall(DefineFixedDouble(new (zone()) LMathCos(input), d0), instr);
+}
+
+LInstruction* LChunkBuilder::DoMathSin(HUnaryMathOperation* instr) {
+  DCHECK(instr->representation().IsDouble());
+  DCHECK(instr->value()->representation().IsDouble());
+  LOperand* input = UseFixedDouble(instr->value(), d0);
+  return MarkAsCall(DefineFixedDouble(new (zone()) LMathSin(input), d0), instr);
+}
+
 LInstruction* LChunkBuilder::DoMathExp(HUnaryMathOperation* instr) {
   DCHECK(instr->representation().IsDouble());
   DCHECK(instr->value()->representation().IsDouble());