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

src/crankshaft/ppc/lithium-ppc.h

Index: src/crankshaft/ppc/lithium-ppc.h
diff --git a/src/crankshaft/ppc/lithium-ppc.h b/src/crankshaft/ppc/lithium-ppc.h
index 9da66ad806ce45e694d3f9daab4e32b8514ec883..6fe3a1c7b36858863e0f401712e915342f560e1a 100644
--- a/src/crankshaft/ppc/lithium-ppc.h
+++ b/src/crankshaft/ppc/lithium-ppc.h
@@ -98,6 +98,8 @@ class LCodeGen;
   V(LoadNamedGeneric)                        \
   V(MathAbs)                                 \
   V(MathClz32)                               \
+  V(MathCos)                                 \
+  V(MathSin)                                 \
   V(MathExp)                                 \
   V(MathFloorD)                              \
   V(MathFloorI)                              \
@@ -901,6 +903,25 @@ class LMathClz32 final : public LTemplateInstruction<1, 1, 0> {
   DECLARE_CONCRETE_INSTRUCTION(MathClz32, "math-clz32")
 };
 
+class LMathCos final : public LTemplateInstruction<1, 1, 0> {
+ public:
+  explicit LMathCos(LOperand* value) { inputs_[0] = value; }
+
+  LOperand* value() { return inputs_[0]; }
+
+  DECLARE_CONCRETE_INSTRUCTION(MathCos, "math-cos")
+};
+
+
+class LMathSin final : public LTemplateInstruction<1, 1, 0> {
+ public:
+  explicit LMathSin(LOperand* value) { inputs_[0] = value; }
+
+  LOperand* value() { return inputs_[0]; }
+
+  DECLARE_CONCRETE_INSTRUCTION(MathSin, "math-sin")
+};
+
 
 class LMathExp final : public LTemplateInstruction<1, 1, 0> {
  public:
@@ -2454,6 +2475,8 @@ class LChunkBuilder final : public LChunkBuilderBase {
   LInstruction* DoMathFround(HUnaryMathOperation* instr);
   LInstruction* DoMathAbs(HUnaryMathOperation* instr);
   LInstruction* DoMathLog(HUnaryMathOperation* instr);
+  LInstruction* DoMathCos(HUnaryMathOperation* instr);
+  LInstruction* DoMathSin(HUnaryMathOperation* instr);
   LInstruction* DoMathExp(HUnaryMathOperation* instr);
   LInstruction* DoMathSqrt(HUnaryMathOperation* instr);
   LInstruction* DoMathPowHalf(HUnaryMathOperation* instr);