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7054512: Compress class pointers after perm gen removal

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Support of compress class pointers in the compilers.

Reviewed-by: kvn, twisti
This commit is contained in:
Roland Westrelin 2012-10-09 10:11:38 +02:00
parent 7162ad011c
commit 61eb5a0549
93 changed files with 1600 additions and 497 deletions
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61
hotspot/src/share/vm/utilities/globalDefinitions.cpp
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@ -111,11 +111,12 @@ void basic_types_init() {
case T_DOUBLE:
case T_LONG:
case T_OBJECT:
case T_ADDRESS: // random raw pointer
case T_METADATA: // metadata pointer
case T_NARROWOOP: // compressed pointer
case T_CONFLICT: // might as well support a bottom type
case T_VOID: // padding or other unaddressed word
case T_ADDRESS: // random raw pointer
case T_METADATA: // metadata pointer
case T_NARROWOOP: // compressed pointer
case T_NARROWKLASS: // compressed klass pointer
case T_CONFLICT: // might as well support a bottom type
case T_VOID: // padding or other unaddressed word
// layout type must map to itself
assert(vt == ft, "");
break;
@ -179,7 +180,7 @@ void basic_types_init() {
// Map BasicType to signature character
char type2char_tab[T_CONFLICT+1]={ 0, 0, 0, 0, 'Z', 'C', 'F', 'D', 'B', 'S', 'I', 'J', 'L', '[', 'V', 0, 0, 0, 0};
char type2char_tab[T_CONFLICT+1]={ 0, 0, 0, 0, 'Z', 'C', 'F', 'D', 'B', 'S', 'I', 'J', 'L', '[', 'V', 0, 0, 0, 0, 0};
// Map BasicType to Java type name
const char* type2name_tab[T_CONFLICT+1] = {
@ -198,6 +199,7 @@ const char* type2name_tab[T_CONFLICT+1] = {
"*address*",
"*narrowoop*",
"*metadata*",
"*narrowklass*",
"*conflict*"
};
@ -213,7 +215,7 @@ BasicType name2type(const char* name) {
// Map BasicType to size in words
int type2size[T_CONFLICT+1]={ -1, 0, 0, 0, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 0, 1, 1, 1, -1};
int type2size[T_CONFLICT+1]={ -1, 0, 0, 0, 1, 1, 1, 2, 1, 1, 1, 2, 1, 1, 0, 1, 1, 1, 1, -1};
BasicType type2field[T_CONFLICT+1] = {
(BasicType)0, // 0,
@ -234,7 +236,8 @@ BasicType type2field[T_CONFLICT+1] = {
T_ADDRESS, // T_ADDRESS = 15,
T_NARROWOOP, // T_NARROWOOP= 16,
T_METADATA, // T_METADATA = 17,
T_CONFLICT // T_CONFLICT = 18,
T_NARROWKLASS, // T_NARROWKLASS = 18,
T_CONFLICT // T_CONFLICT = 19,
};
@ -257,30 +260,32 @@ BasicType type2wfield[T_CONFLICT+1] = {
T_ADDRESS, // T_ADDRESS = 15,
T_NARROWOOP, // T_NARROWOOP = 16,
T_METADATA, // T_METADATA = 17,
T_CONFLICT // T_CONFLICT = 18,
T_NARROWKLASS, // T_NARROWKLASS = 18,
T_CONFLICT // T_CONFLICT = 19,
};
int _type2aelembytes[T_CONFLICT+1] = {
0, // 0
0, // 1
0, // 2
0, // 3
T_BOOLEAN_aelem_bytes, // T_BOOLEAN = 4,
T_CHAR_aelem_bytes, // T_CHAR = 5,
T_FLOAT_aelem_bytes, // T_FLOAT = 6,
T_DOUBLE_aelem_bytes, // T_DOUBLE = 7,
T_BYTE_aelem_bytes, // T_BYTE = 8,
T_SHORT_aelem_bytes, // T_SHORT = 9,
T_INT_aelem_bytes, // T_INT = 10,
T_LONG_aelem_bytes, // T_LONG = 11,
T_OBJECT_aelem_bytes, // T_OBJECT = 12,
T_ARRAY_aelem_bytes, // T_ARRAY = 13,
0, // T_VOID = 14,
T_OBJECT_aelem_bytes, // T_ADDRESS = 15,
T_NARROWOOP_aelem_bytes,// T_NARROWOOP= 16,
T_OBJECT_aelem_bytes, // T_METADATA = 17,
0 // T_CONFLICT = 18,
0, // 0
0, // 1
0, // 2
0, // 3
T_BOOLEAN_aelem_bytes, // T_BOOLEAN = 4,
T_CHAR_aelem_bytes, // T_CHAR = 5,
T_FLOAT_aelem_bytes, // T_FLOAT = 6,
T_DOUBLE_aelem_bytes, // T_DOUBLE = 7,
T_BYTE_aelem_bytes, // T_BYTE = 8,
T_SHORT_aelem_bytes, // T_SHORT = 9,
T_INT_aelem_bytes, // T_INT = 10,
T_LONG_aelem_bytes, // T_LONG = 11,
T_OBJECT_aelem_bytes, // T_OBJECT = 12,
T_ARRAY_aelem_bytes, // T_ARRAY = 13,
0, // T_VOID = 14,
T_OBJECT_aelem_bytes, // T_ADDRESS = 15,
T_NARROWOOP_aelem_bytes, // T_NARROWOOP= 16,
T_OBJECT_aelem_bytes, // T_METADATA = 17,
T_NARROWKLASS_aelem_bytes, // T_NARROWKLASS= 18,
0 // T_CONFLICT = 19,
};
#ifdef ASSERT