*** old/src/cpu/x86/vm/x86_64.ad	Fri Feb 19 09:19:05 2010
--- new/src/cpu/x86/vm/x86_64.ad	Fri Feb 19 09:19:05 2010

*** 2072,2083 ****
--- 2072,2085 ----
  
  // Advertise here if the CPU requires explicit rounding operations to
  // implement the UseStrictFP mode.
  const bool Matcher::strict_fp_requires_explicit_rounding = true;
  
! // Do floats take an entire double register or just half?
  const bool Matcher::float_in_double = true;
! // Do floats are conerted to double when stored to stack during deoptimization.
+ // On x64 it is stored without convertion so we can use normal access.
+ bool Matcher::float_in_double() { return false; }
+ 
  // Do ints take an entire long register or just half?
  const bool Matcher::int_in_long = true;
  
  // Return whether or not this register is ever used as an argument.
  // This function is used on startup to build the trampoline stubs in