Revert "Introduce InvokeMathCFunction that can be used to directly invoke mathematical function pro…

runtime/vm/intermediate_language.cc

Index: runtime/vm/intermediate_language.cc
diff --git a/runtime/vm/intermediate_language.cc b/runtime/vm/intermediate_language.cc
index bb0a98e22eb8a9da057420a6463471d911b94526..0c8c52166fa61ab027b70e025dbce49e3690b957 100644
--- a/runtime/vm/intermediate_language.cc
+++ b/runtime/vm/intermediate_language.cc
@@ -1550,11 +1550,6 @@ RawAbstractType* DoubleToDoubleInstr::CompileType() const {
 }
 
 
-RawAbstractType* InvokeMathCFunctionInstr::CompileType() const {
-  return Type::Double();
-}
-
-
 RawAbstractType* CheckClassInstr::CompileType() const {
   return AbstractType::null();
 }
@@ -2621,61 +2616,6 @@ intptr_t CheckArrayBoundInstr::LengthOffsetFor(intptr_t class_id) {
   }
 }
 
-
-intptr_t InvokeMathCFunctionInstr::ArgumentCountFor(
-    MethodRecognizer::Kind kind) {
-  switch (kind) {
-    case MethodRecognizer::kDoubleTruncate:
-    case MethodRecognizer::kDoubleRound:
-    case MethodRecognizer::kDoubleFloor:
-    case MethodRecognizer::kDoubleCeil: {
-      ASSERT(!CPUFeatures::double_truncate_round_supported());
-      return 1;
-    }
-    case MethodRecognizer::kDoublePow:
-      return 2;
-    default:
-      UNREACHABLE();
-  }
-  return 0;
-}
-
-
-extern const RuntimeEntry kPowRuntimeEntry(
-    "libc_pow", reinterpret_cast<RuntimeFunction>(&pow), 0, true);
-
-extern const RuntimeEntry kFloorRuntimeEntry(
-    "libc_floor", reinterpret_cast<RuntimeFunction>(&floor), 0, true);
-
-extern const RuntimeEntry kCeilRuntimeEntry(
-    "libc_ceil", reinterpret_cast<RuntimeFunction>(&ceil), 0, true);
-
-extern const RuntimeEntry kTruncRuntimeEntry(
-    "libc_trunc", reinterpret_cast<RuntimeFunction>(&trunc), 0, true);
-
-extern const RuntimeEntry kRoundRuntimeEntry(
-    "libc_round", reinterpret_cast<RuntimeFunction>(&round), 0, true);
-
-
-const RuntimeEntry& InvokeMathCFunctionInstr::TargetFunction() const {
-  switch (recognized_kind_) {
-    case MethodRecognizer::kDoubleTruncate:
-      return kTruncRuntimeEntry;
-    case MethodRecognizer::kDoubleRound:
-      return kRoundRuntimeEntry;
-    case MethodRecognizer::kDoubleFloor:
-      return kFloorRuntimeEntry;
-    case MethodRecognizer::kDoubleCeil:
-      return kCeilRuntimeEntry;
-    case MethodRecognizer::kDoublePow:
-      return kPowRuntimeEntry;
-    default:
-      UNREACHABLE();
-  }
-  return kPowRuntimeEntry;
-}
-
-
 #undef __
 
 }  // namespace dart