22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package jdk.nashorn.internal.codegen;
27
28 import static jdk.internal.org.objectweb.asm.Opcodes.IFEQ;
29 import static jdk.internal.org.objectweb.asm.Opcodes.IFGE;
30 import static jdk.internal.org.objectweb.asm.Opcodes.IFGT;
31 import static jdk.internal.org.objectweb.asm.Opcodes.IFLE;
32 import static jdk.internal.org.objectweb.asm.Opcodes.IFLT;
33 import static jdk.internal.org.objectweb.asm.Opcodes.IFNE;
34 import static jdk.internal.org.objectweb.asm.Opcodes.IF_ACMPEQ;
35 import static jdk.internal.org.objectweb.asm.Opcodes.IF_ACMPNE;
36 import static jdk.internal.org.objectweb.asm.Opcodes.IF_ICMPEQ;
37 import static jdk.internal.org.objectweb.asm.Opcodes.IF_ICMPGE;
38 import static jdk.internal.org.objectweb.asm.Opcodes.IF_ICMPGT;
39 import static jdk.internal.org.objectweb.asm.Opcodes.IF_ICMPLE;
40 import static jdk.internal.org.objectweb.asm.Opcodes.IF_ICMPLT;
41 import static jdk.internal.org.objectweb.asm.Opcodes.IF_ICMPNE;
42 import jdk.nashorn.internal.ir.RuntimeNode;
43
44 /**
45 * Condition enum used for all kinds of jumps, regardless of type
46 */
47 enum Condition {
48 EQ,
49 NE,
50 LE,
51 LT,
52 GE,
53 GT;
54
55 static Condition forRuntimeRequest(final RuntimeNode.Request request) {
56 try {
57 final String reqString = request.toString().replace("_STRICT", "");
58 return Condition.valueOf(reqString);
59 } catch (final IllegalArgumentException e) {
60 return null;
61 }
62 }
63
64 static int toUnary(final Condition c) {
65 switch (c) {
66 case EQ:
67 return IFEQ;
68 case NE:
69 return IFNE;
70 case LE:
71 return IFLE;
72 case LT:
73 return IFLT;
74 case GE:
75 return IFGE;
76 case GT:
77 return IFGT;
78 default:
79 assert false;
80 return -1;
81 }
82 }
83
84 static int toBinary(final Condition c) {
85 return toBinary(c, false);
86 }
87
88 static int toBinary(final Condition c, final boolean isObject) {
89 switch (c) {
90 case EQ:
91 return isObject ? IF_ACMPEQ : IF_ICMPEQ;
92 case NE:
93 return isObject ? IF_ACMPNE : IF_ICMPNE;
94 case LE:
95 return IF_ICMPLE;
96 case LT:
97 return IF_ICMPLT;
98 case GE:
99 return IF_ICMPGE;
100 case GT:
101 return IF_ICMPGT;
102 default:
103 assert false;
104 return -1;
105 }
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22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package jdk.nashorn.internal.codegen;
27
28 import static jdk.internal.org.objectweb.asm.Opcodes.IFEQ;
29 import static jdk.internal.org.objectweb.asm.Opcodes.IFGE;
30 import static jdk.internal.org.objectweb.asm.Opcodes.IFGT;
31 import static jdk.internal.org.objectweb.asm.Opcodes.IFLE;
32 import static jdk.internal.org.objectweb.asm.Opcodes.IFLT;
33 import static jdk.internal.org.objectweb.asm.Opcodes.IFNE;
34 import static jdk.internal.org.objectweb.asm.Opcodes.IF_ACMPEQ;
35 import static jdk.internal.org.objectweb.asm.Opcodes.IF_ACMPNE;
36 import static jdk.internal.org.objectweb.asm.Opcodes.IF_ICMPEQ;
37 import static jdk.internal.org.objectweb.asm.Opcodes.IF_ICMPGE;
38 import static jdk.internal.org.objectweb.asm.Opcodes.IF_ICMPGT;
39 import static jdk.internal.org.objectweb.asm.Opcodes.IF_ICMPLE;
40 import static jdk.internal.org.objectweb.asm.Opcodes.IF_ICMPLT;
41 import static jdk.internal.org.objectweb.asm.Opcodes.IF_ICMPNE;
42
43 /**
44 * Condition enum used for all kinds of jumps, regardless of type
45 */
46 enum Condition {
47 EQ,
48 NE,
49 LE,
50 LT,
51 GE,
52 GT;
53
54 static int toUnary(final Condition c) {
55 switch (c) {
56 case EQ:
57 return IFEQ;
58 case NE:
59 return IFNE;
60 case LE:
61 return IFLE;
62 case LT:
63 return IFLT;
64 case GE:
65 return IFGE;
66 case GT:
67 return IFGT;
68 default:
69 assert false;
70 return -1;
71 }
72 }
73
74 static int toBinary(final Condition c, final boolean isObject) {
75 switch (c) {
76 case EQ:
77 return isObject ? IF_ACMPEQ : IF_ICMPEQ;
78 case NE:
79 return isObject ? IF_ACMPNE : IF_ICMPNE;
80 case LE:
81 return IF_ICMPLE;
82 case LT:
83 return IF_ICMPLT;
84 case GE:
85 return IF_ICMPGE;
86 case GT:
87 return IF_ICMPGT;
88 default:
89 assert false;
90 return -1;
91 }
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