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comparison src/cpu/x86/vm/stubGenerator_x86_64.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 85f13cdfbc1d
children 776fb94f33cc
comparison
equal deleted inserted replaced
1173:73b22f919c34 1174:ddb7834449d0
1 /* 1 /*
2 * Copyright 2003-2009 Sun Microsystems, Inc. All Rights Reserved. 2 * Copyright 2003-2010 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.
2729 2729
2730 StubRoutines::_arrayof_oop_disjoint_arraycopy = StubRoutines::_oop_disjoint_arraycopy; 2730 StubRoutines::_arrayof_oop_disjoint_arraycopy = StubRoutines::_oop_disjoint_arraycopy;
2731 StubRoutines::_arrayof_oop_arraycopy = StubRoutines::_oop_arraycopy; 2731 StubRoutines::_arrayof_oop_arraycopy = StubRoutines::_oop_arraycopy;
2732 } 2732 }
2733 2733
2734 void generate_math_stubs() {
2735 {
2736 StubCodeMark mark(this, "StubRoutines", "log");
2737 StubRoutines::_intrinsic_log = (double (*)(double)) __ pc();
2738
2739 __ subq(rsp, 8);
2740 __ movdbl(Address(rsp, 0), xmm0);
2741 __ fld_d(Address(rsp, 0));
2742 __ flog();
2743 __ fstp_d(Address(rsp, 0));
2744 __ movdbl(xmm0, Address(rsp, 0));
2745 __ addq(rsp, 8);
2746 __ ret(0);
2747 }
2748 {
2749 StubCodeMark mark(this, "StubRoutines", "log10");
2750 StubRoutines::_intrinsic_log10 = (double (*)(double)) __ pc();
2751
2752 __ subq(rsp, 8);
2753 __ movdbl(Address(rsp, 0), xmm0);
2754 __ fld_d(Address(rsp, 0));
2755 __ flog10();
2756 __ fstp_d(Address(rsp, 0));
2757 __ movdbl(xmm0, Address(rsp, 0));
2758 __ addq(rsp, 8);
2759 __ ret(0);
2760 }
2761 {
2762 StubCodeMark mark(this, "StubRoutines", "sin");
2763 StubRoutines::_intrinsic_sin = (double (*)(double)) __ pc();
2764
2765 __ subq(rsp, 8);
2766 __ movdbl(Address(rsp, 0), xmm0);
2767 __ fld_d(Address(rsp, 0));
2768 __ trigfunc('s');
2769 __ fstp_d(Address(rsp, 0));
2770 __ movdbl(xmm0, Address(rsp, 0));
2771 __ addq(rsp, 8);
2772 __ ret(0);
2773 }
2774 {
2775 StubCodeMark mark(this, "StubRoutines", "cos");
2776 StubRoutines::_intrinsic_cos = (double (*)(double)) __ pc();
2777
2778 __ subq(rsp, 8);
2779 __ movdbl(Address(rsp, 0), xmm0);
2780 __ fld_d(Address(rsp, 0));
2781 __ trigfunc('c');
2782 __ fstp_d(Address(rsp, 0));
2783 __ movdbl(xmm0, Address(rsp, 0));
2784 __ addq(rsp, 8);
2785 __ ret(0);
2786 }
2787 {
2788 StubCodeMark mark(this, "StubRoutines", "tan");
2789 StubRoutines::_intrinsic_tan = (double (*)(double)) __ pc();
2790
2791 __ subq(rsp, 8);
2792 __ movdbl(Address(rsp, 0), xmm0);
2793 __ fld_d(Address(rsp, 0));
2794 __ trigfunc('t');
2795 __ fstp_d(Address(rsp, 0));
2796 __ movdbl(xmm0, Address(rsp, 0));
2797 __ addq(rsp, 8);
2798 __ ret(0);
2799 }
2800
2801 // The intrinsic version of these seem to return the same value as
2802 // the strict version.
2803 StubRoutines::_intrinsic_exp = SharedRuntime::dexp;
2804 StubRoutines::_intrinsic_pow = SharedRuntime::dpow;
2805 }
2806
2734 #undef __ 2807 #undef __
2735 #define __ masm-> 2808 #define __ masm->
2736 2809
2737 // Continuation point for throwing of implicit exceptions that are 2810 // Continuation point for throwing of implicit exceptions that are
2738 // not handled in the current activation. Fabricates an exception 2811 // not handled in the current activation. Fabricates an exception
2943 ek = MethodHandles::EntryKind(1 + (int)ek)) { 3016 ek = MethodHandles::EntryKind(1 + (int)ek)) {
2944 StubCodeMark mark(this, "MethodHandle", MethodHandles::entry_name(ek)); 3017 StubCodeMark mark(this, "MethodHandle", MethodHandles::entry_name(ek));
2945 MethodHandles::generate_method_handle_stub(_masm, ek); 3018 MethodHandles::generate_method_handle_stub(_masm, ek);
2946 } 3019 }
2947 } 3020 }
3021
3022 generate_math_stubs();
2948 } 3023 }
2949 3024
2950 public: 3025 public:
2951 StubGenerator(CodeBuffer* code, bool all) : StubCodeGenerator(code) { 3026 StubGenerator(CodeBuffer* code, bool all) : StubCodeGenerator(code) {
2952 if (all) { 3027 if (all) {