src/cpu/x86/vm/stubGenerator_x86_64.cpp

*** 1,7 ****
  /*
!  * Copyright 2003-2009 Sun Microsystems, Inc.  All Rights Reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
--- 1,7 ----
  /*
!  * Copyright 2003-2010 Sun Microsystems, Inc.  All Rights Reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.
*** 2729,2738 ****
--- 2729,2811 ----
  
      StubRoutines::_arrayof_oop_disjoint_arraycopy    = StubRoutines::_oop_disjoint_arraycopy;
      StubRoutines::_arrayof_oop_arraycopy             = StubRoutines::_oop_arraycopy;
    }
  
+   void generate_math_stubs() {
+     {
+       StubCodeMark mark(this, "StubRoutines", "log");
+       StubRoutines::_intrinsic_log = (double (*)(double)) __ pc();
+ 
+       __ subq(rsp, 8);
+       __ movdbl(Address(rsp, 0), xmm0);
+       __ fld_d(Address(rsp, 0));
+       __ flog();
+       __ fstp_d(Address(rsp, 0));
+       __ movdbl(xmm0, Address(rsp, 0));
+       __ addq(rsp, 8);
+       __ ret(0);
+     }
+     {
+       StubCodeMark mark(this, "StubRoutines", "log10");
+       StubRoutines::_intrinsic_log10 = (double (*)(double)) __ pc();
+ 
+       __ subq(rsp, 8);
+       __ movdbl(Address(rsp, 0), xmm0);
+       __ fld_d(Address(rsp, 0));
+       __ flog10();
+       __ fstp_d(Address(rsp, 0));
+       __ movdbl(xmm0, Address(rsp, 0));
+       __ addq(rsp, 8);
+       __ ret(0);
+     }
+     {
+       StubCodeMark mark(this, "StubRoutines", "sin");
+       StubRoutines::_intrinsic_sin = (double (*)(double)) __ pc();
+ 
+       __ subq(rsp, 8);
+       __ movdbl(Address(rsp, 0), xmm0);
+       __ fld_d(Address(rsp, 0));
+       __ trigfunc('s');
+       __ fstp_d(Address(rsp, 0));
+       __ movdbl(xmm0, Address(rsp, 0));
+       __ addq(rsp, 8);
+       __ ret(0);
+     }
+     {
+       StubCodeMark mark(this, "StubRoutines", "cos");
+       StubRoutines::_intrinsic_cos = (double (*)(double)) __ pc();
+ 
+       __ subq(rsp, 8);
+       __ movdbl(Address(rsp, 0), xmm0);
+       __ fld_d(Address(rsp, 0));
+       __ trigfunc('c');
+       __ fstp_d(Address(rsp, 0));
+       __ movdbl(xmm0, Address(rsp, 0));
+       __ addq(rsp, 8);
+       __ ret(0);
+     }
+     {
+       StubCodeMark mark(this, "StubRoutines", "tan");
+       StubRoutines::_intrinsic_tan = (double (*)(double)) __ pc();
+ 
+       __ subq(rsp, 8);
+       __ movdbl(Address(rsp, 0), xmm0);
+       __ fld_d(Address(rsp, 0));
+       __ trigfunc('t');
+       __ fstp_d(Address(rsp, 0));
+       __ movdbl(xmm0, Address(rsp, 0));
+       __ addq(rsp, 8);
+       __ ret(0);
+     }
+ 
+     // The intrinsic version of these seem to return the same value as
+     // the strict version.
+     StubRoutines::_intrinsic_exp = SharedRuntime::dexp;
+     StubRoutines::_intrinsic_pow = SharedRuntime::dpow;
+   }
+ 
  #undef __
  #define __ masm->
  
    // Continuation point for throwing of implicit exceptions that are
    // not handled in the current activation. Fabricates an exception
*** 2943,2952 ****
--- 3016,3027 ----
             ek = MethodHandles::EntryKind(1 + (int)ek)) {
          StubCodeMark mark(this, "MethodHandle", MethodHandles::entry_name(ek));
          MethodHandles::generate_method_handle_stub(_masm, ek);
        }
      }
+ 
+     generate_math_stubs();
    }
  
   public:
    StubGenerator(CodeBuffer* code, bool all) : StubCodeGenerator(code) {
      if (all) {