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8135085: Change Method::_intrinsic_id from u1 to u2

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Convert Method::_intrinsic_id from u1 to u2 to expand id range over 255.

Reviewed-by: coleenp, iklam, jiangli
This commit is contained in:
Aleksey Shipilev 2015-09-18 13:41:11 -07:00 • committed by Yumin Qi
parent e7ed6bff90
commit bbc043a7f2
10 changed files with 31 additions and 16 deletions
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6
hotspot/src/share/vm/oops/method.hpp
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@ -72,7 +72,7 @@ class Method : public Metadata {
int _result_index; // C++ interpreter needs for converting results to/from stack
#endif
u2 _method_size; // size of this object
u1 _intrinsic_id; // vmSymbols::intrinsic_id (0 == _none)
u2 _intrinsic_id; // vmSymbols::intrinsic_id (0 == _none)
// Flags
enum Flags {
@ -653,7 +653,7 @@ class Method : public Metadata {
// for code generation
static int method_data_offset_in_bytes() { return offset_of(Method, _method_data); }
static int intrinsic_id_offset_in_bytes() { return offset_of(Method, _intrinsic_id); }
static int intrinsic_id_size_in_bytes() { return sizeof(u1); }
static int intrinsic_id_size_in_bytes() { return sizeof(u2); }
// Static methods that are used to implement member methods where an exposed this pointer
// is needed due to possible GCs
@ -777,7 +777,7 @@ class Method : public Metadata {
// Support for inlining of intrinsic methods
vmIntrinsics::ID intrinsic_id() const { return (vmIntrinsics::ID) _intrinsic_id; }
void set_intrinsic_id(vmIntrinsics::ID id) { _intrinsic_id = (u1) id; }
void set_intrinsic_id(vmIntrinsics::ID id) { _intrinsic_id = (u2) id; }
// Helper routines for intrinsic_id() and vmIntrinsics::method().
void init_intrinsic_id(); // updates from _none if a match