[compiler] Delay allocation of code-embedded heap numbers.

src/compiler/arm/code-generator-arm.cc

Index: src/compiler/arm/code-generator-arm.cc
diff --git a/src/compiler/arm/code-generator-arm.cc b/src/compiler/arm/code-generator-arm.cc
index 77d8a415711a810507d6325df1908878c22eb828..4d4fc3aa93fd35498ed830b11566f863bf1b84c2 100644
--- a/src/compiler/arm/code-generator-arm.cc
+++ b/src/compiler/arm/code-generator-arm.cc
@@ -48,11 +48,9 @@ class ArmOperandConverter final : public InstructionOperandConverter {
       case Constant::kInt32:
         return Operand(constant.ToInt32());
       case Constant::kFloat32:
-        return Operand(
-            isolate()->factory()->NewNumber(constant.ToFloat32(), TENURED));
+        return Operand::EmbeddedNumber(constant.ToFloat32());
       case Constant::kFloat64:
-        return Operand(
-            isolate()->factory()->NewNumber(constant.ToFloat64(), TENURED));
+        return Operand::EmbeddedNumber(constant.ToFloat64());
       case Constant::kInt64:
       case Constant::kExternalReference:
       case Constant::kHeapObject:
@@ -2974,12 +2972,10 @@ void CodeGenerator::AssembleMove(InstructionOperand* source,
           UNREACHABLE();
           break;
         case Constant::kFloat32:
-          __ Move(dst,
-                  isolate()->factory()->NewNumber(src.ToFloat32(), TENURED));
+          __ mov(dst, Operand::EmbeddedNumber(src.ToFloat32()));
           break;
         case Constant::kFloat64:
-          __ Move(dst,
-                  isolate()->factory()->NewNumber(src.ToFloat64(), TENURED));
+          __ mov(dst, Operand::EmbeddedNumber(src.ToFloat64()));
           break;
         case Constant::kExternalReference:
           __ mov(dst, Operand(src.ToExternalReference()));