Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: src/share/classes/com/sun/tools/javac/jvm/Code.java
src/share/classes/com/sun/tools/javac/jvm/Code.java
- changeset 1326
- 30c36e23f154
- parent 1109
- 3cdfa97e1be9
- child 1336
- 26d93df3905a
equal
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| 1325:b2064a216117 | 1326:30c36e23f154 |
|---|---|
| 1 /* | 1 /* |
| 2 * Copyright (c) 1999, 2011, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 1999, 2012, Oracle and/or its affiliates. All rights reserved. |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | 4 * |
| 5 * This code is free software; you can redistribute it and/or modify it | 5 * This code is free software; you can redistribute it and/or modify it |
| 6 * under the terms of the GNU General Public License version 2 only, as | 6 * under the terms of the GNU General Public License version 2 only, as |
| 7 * published by the Free Software Foundation. Oracle designates this | 7 * published by the Free Software Foundation. Oracle designates this |
| 120 */ | 120 */ |
| 121 public CRTable crt; | 121 public CRTable crt; |
| 122 | 122 |
| 123 /*---------- internal fields: --------------- */ | 123 /*---------- internal fields: --------------- */ |
| 124 | 124 |
| 125 /** Are we generating code with jumps >= 32K? | 125 /** Are we generating code with jumps ≥ 32K? |
| 126 */ | 126 */ |
| 127 public boolean fatcode; | 127 public boolean fatcode; |
| 128 | 128 |
| 129 /** Code generation enabled? | 129 /** Code generation enabled? |
| 130 */ | 130 */ |
| 1075 public void align(int incr) { | 1075 public void align(int incr) { |
| 1076 if (alive) | 1076 if (alive) |
| 1077 while (cp % incr != 0) emitop0(nop); | 1077 while (cp % incr != 0) emitop0(nop); |
| 1078 } | 1078 } |
| 1079 | 1079 |
| 1080 /** Place a byte into code at address pc. Pre: pc + 1 <= cp. | 1080 /** Place a byte into code at address pc. |
| 1081 * Pre: {@literal pc + 1 <= cp }. | |
| 1081 */ | 1082 */ |
| 1082 private void put1(int pc, int op) { | 1083 private void put1(int pc, int op) { |
| 1083 code[pc] = (byte)op; | 1084 code[pc] = (byte)op; |
| 1084 } | 1085 } |
| 1085 | 1086 |
| 1086 /** Place two bytes into code at address pc. Pre: pc + 2 <= cp. | 1087 /** Place two bytes into code at address pc. |
| 1088 * Pre: {@literal pc + 2 <= cp }. | |
| 1087 */ | 1089 */ |
| 1088 private void put2(int pc, int od) { | 1090 private void put2(int pc, int od) { |
| 1089 // pre: pc + 2 <= cp | 1091 // pre: pc + 2 <= cp |
| 1090 put1(pc, od >> 8); | 1092 put1(pc, od >> 8); |
| 1091 put1(pc+1, od); | 1093 put1(pc+1, od); |
| 1092 } | 1094 } |
| 1093 | 1095 |
| 1094 /** Place four bytes into code at address pc. Pre: pc + 4 <= cp. | 1096 /** Place four bytes into code at address pc. |
| 1097 * Pre: {@literal pc + 4 <= cp }. | |
| 1095 */ | 1098 */ |
| 1096 public void put4(int pc, int od) { | 1099 public void put4(int pc, int od) { |
| 1097 // pre: pc + 4 <= cp | 1100 // pre: pc + 4 <= cp |
| 1098 put1(pc , od >> 24); | 1101 put1(pc , od >> 24); |
| 1099 put1(pc+1, od >> 16); | 1102 put1(pc+1, od >> 16); |
| 1988 */ | 1991 */ |
| 1989 public void newRegSegment() { | 1992 public void newRegSegment() { |
| 1990 nextreg = max_locals; | 1993 nextreg = max_locals; |
| 1991 } | 1994 } |
| 1992 | 1995 |
| 1993 /** End scopes of all variables with registers >= first. | 1996 /** End scopes of all variables with registers ≥ first. |
| 1994 */ | 1997 */ |
| 1995 public void endScopes(int first) { | 1998 public void endScopes(int first) { |
| 1996 int prevNextReg = nextreg; | 1999 int prevNextReg = nextreg; |
| 1997 nextreg = first; | 2000 nextreg = first; |
| 1998 for (int i = nextreg; i < prevNextReg; i++) endScope(i); | 2001 for (int i = nextreg; i < prevNextReg; i++) endScope(i); |
