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8132051: Better byte behavior

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Co-authored-by: Roland Westerlin <roland.westerlin@oracle.com>
Co-authored-by: Vladimir Kozlov <vladimir.kozlov@oracle.com>
Co-authored-by: John Rose <john.r.rose@oracle.com>
Reviewed-by: bdelsart, roland, kvn, jrose, ahgross
This commit is contained in:
Coleen Phillimore 2015-10-13 18:13:34 -04:00
parent ed18f94d21
commit 200784d505
40 changed files with 514 additions and 88 deletions
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25
hotspot/src/share/vm/oops/cpCache.hpp
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@ -77,18 +77,19 @@ class PSPromotionManager;
// f2 flag true if f2 contains an oop (e.g., virtual final method)
// fv flag true if invokeinterface used for method in class Object
//
// The flags 31, 30, 29, 28 together build a 4 bit number 0 to 8 with the
// The flags 31, 30, 29, 28 together build a 4 bit number 0 to 16 with the
// following mapping to the TosState states:
//
// btos: 0
// ctos: 1
// stos: 2
// itos: 3
// ltos: 4
// ftos: 5
// dtos: 6
// atos: 7
// vtos: 8
// ztos: 1
// ctos: 2
// stos: 3
// itos: 4
// ltos: 5
// ftos: 6
// dtos: 7
// atos: 8
// vtos: 9
//
// Entry specific: field entries:
// _indices = get (b1 section) and put (b2 section) bytecodes, original constant pool index
@ -352,14 +353,8 @@ class ConstantPoolCacheEntry VALUE_OBJ_CLASS_SPEC {
bool has_method_type() const { return (!is_f1_null()) && (_flags & (1 << has_method_type_shift)) != 0; }
bool is_method_entry() const { return (_flags & (1 << is_field_entry_shift)) == 0; }
bool is_field_entry() const { return (_flags & (1 << is_field_entry_shift)) != 0; }
bool is_byte() const { return flag_state() == btos; }
bool is_char() const { return flag_state() == ctos; }
bool is_short() const { return flag_state() == stos; }
bool is_int() const { return flag_state() == itos; }
bool is_long() const { return flag_state() == ltos; }
bool is_float() const { return flag_state() == ftos; }
bool is_double() const { return flag_state() == dtos; }
bool is_object() const { return flag_state() == atos; }
TosState flag_state() const { assert((uint)number_of_states <= (uint)tos_state_mask+1, "");
return (TosState)((_flags >> tos_state_shift) & tos_state_mask); }