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comparison src/cpu/x86/vm/templateInterpreter_x86_32.cpp @ 1174:ddb7834449d0

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6849984: Value methods for platform dependent math functions constant fold incorrectly Reviewed-by: kvn, twisti
author never
date Fri, 15 Jan 2010 11:53:33 -0800
parents e66fd840cb6b
children 3cf667df43ef
comparison
equal deleted inserted replaced
1173:73b22f919c34 1174:ddb7834449d0
1 /* 1 /*
2 * Copyright 1997-2009 Sun Microsystems, Inc. All Rights Reserved. 2 * Copyright 1997-2010 Sun Microsystems, Inc. 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. 7 * published by the Free Software Foundation.
1429 1429
1430 return ((InterpreterGenerator*)this)->generate_normal_entry(synchronized); 1430 return ((InterpreterGenerator*)this)->generate_normal_entry(synchronized);
1431 1431
1432 } 1432 }
1433 1433
1434 // These should never be compiled since the interpreter will prefer
1435 // the compiled version to the intrinsic version.
1436 bool AbstractInterpreter::can_be_compiled(methodHandle m) {
1437 switch (method_kind(m)) {
1438 case Interpreter::java_lang_math_sin : // fall thru
1439 case Interpreter::java_lang_math_cos : // fall thru
1440 case Interpreter::java_lang_math_tan : // fall thru
1441 case Interpreter::java_lang_math_abs : // fall thru
1442 case Interpreter::java_lang_math_log : // fall thru
1443 case Interpreter::java_lang_math_log10 : // fall thru
1444 case Interpreter::java_lang_math_sqrt :
1445 return false;
1446 default:
1447 return true;
1448 }
1449 }
1450
1434 // How much stack a method activation needs in words. 1451 // How much stack a method activation needs in words.
1435 int AbstractInterpreter::size_top_interpreter_activation(methodOop method) { 1452 int AbstractInterpreter::size_top_interpreter_activation(methodOop method) {
1436 1453
1437 const int stub_code = 4; // see generate_call_stub 1454 const int stub_code = 4; // see generate_call_stub
1438 // Save space for one monitor to get into the interpreted method in case 1455 // Save space for one monitor to get into the interpreted method in case