Tue, 02 Sep 2014 12:48:45 -0700
8055494: Add C2 x86 intrinsic for BigInteger::multiplyToLen() method
Summary: Add new C2 intrinsic for BigInteger::multiplyToLen() on x86 in 64-bit VM.
Reviewed-by: roland
1 /*
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25 #ifndef CPU_X86_VM_INTERPRETER_X86_HPP
26 #define CPU_X86_VM_INTERPRETER_X86_HPP
28 public:
29 static Address::ScaleFactor stackElementScale() {
30 return NOT_LP64(Address::times_4) LP64_ONLY(Address::times_8);
31 }
33 // Offset from rsp (which points to the last stack element)
34 static int expr_offset_in_bytes(int i) { return stackElementSize * i; }
36 // Stack index relative to tos (which points at value)
37 static int expr_index_at(int i) { return stackElementWords * i; }
39 // Already negated by c++ interpreter
40 static int local_index_at(int i) {
41 assert(i <= 0, "local direction already negated");
42 return stackElementWords * i;
43 }
45 #endif // CPU_X86_VM_INTERPRETER_X86_HPP