Use bipush, sipush for byte and short constants

compiler/backend/src/org/jetbrains/kotlin/codegen/StackValue.java

@@ -720,8 +720,8 @@ public abstract class StackValue {
 
         @Override
         public void putSelector(@NotNull Type type, @NotNull InstructionAdapter v) {
-            if (value instanceof Integer) {
-                v.iconst((Integer) value);
+            if (value instanceof Integer || value instanceof Byte || value instanceof Short) {
+                v.iconst(((Number) value).intValue());
             }
             else if (value instanceof Long) {
                 v.lconst((Long) value);

compiler/testData/codegen/bytecodeText/constants/byte.kt

@@ -1,3 +1,3 @@
-val a: Byte = 1 + 1
+val a: Byte = 1 + 10
 
-// 1 I2B
+// 1 BIPUSH 11

compiler/testData/codegen/bytecodeText/constants/nullableByteAndShort.kt

@@ -1,5 +1,5 @@
-val a: Byte? = -1
-val b: Short? = -1
+val a: Byte? = -10
+val b: Short? = -300
 
-// 1 I2B
-// 1 I2S
+// 1 BIPUSH -10
+// 1 SIPUSH -300

compiler/testData/codegen/bytecodeText/constants/short.kt

@@ -1,3 +1,3 @@
-val a: Short = 1 + 1
+val a: Short = 1 + 255
 
-// 1 I2S
+// 1 SIPUSH 256

compiler/testData/codegen/bytecodeTextMultifile/inlineJavaStaticFields/JClass.java

@@ -4,7 +4,7 @@ public class JClass {
     public final static int PrimitiveInt = 9000;
     public final static int BigPrimitiveInt = 59000;
     public final static long PrimitiveLong = 100000;
-    public final static short PrimitiveShort = 900;
+    public final static short PrimitiveShort = 901;
     public final static boolean PrimitiveBool = false;
     public final static float PrimitiveFloat = 36.6;
     public final static double PrimitiveDouble = 42.4242;

compiler/testData/codegen/bytecodeTextMultifile/inlineJavaStaticFields/test.kt

@@ -31,10 +31,10 @@ fun test() {
 // 1 LDC 9223372036854775807
 // 1 SIPUSH 9000
 // 1 LDC 59000
-// 1 LDC -8
+// 1 BIPUSH -8
 // 1 LDC K
 // 1 LDC 100000
-// 1 LDC 900
+// 1 SIPUSH 901
 // 1 LDC false
 // 1 LDC 36.6
 // 1 LDC 42.4242