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6961690: load oops from constant table on SPARC

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Oops should be loaded from the constant table of an nmethod instead of materializing them with a long code sequence.

Reviewed-by: never, kvn
This commit is contained in:
Christian Thalinger 2010-12-03 01:34:31 -08:00
parent ab725dba1d
commit ffaadcecea
31 changed files with 1795 additions and 830 deletions
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22
hotspot/src/share/vm/asm/assembler.hpp
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@ -292,7 +292,16 @@ class AbstractAssembler : public ResourceObj {
address start_a_const(int required_space, int required_align = sizeof(double));
void end_a_const();
// fp constants support
// constants support
address long_constant(jlong c) {
address ptr = start_a_const(sizeof(c), sizeof(c));
if (ptr != NULL) {
*(jlong*)ptr = c;
_code_pos = ptr + sizeof(c);
end_a_const();
}
return ptr;
}
address double_constant(jdouble c) {
address ptr = start_a_const(sizeof(c), sizeof(c));
if (ptr != NULL) {
@ -311,6 +320,15 @@ class AbstractAssembler : public ResourceObj {
}
return ptr;
}
address address_constant(address c) {
address ptr = start_a_const(sizeof(c), sizeof(c));
if (ptr != NULL) {
*(address*)ptr = c;
_code_pos = ptr + sizeof(c);
end_a_const();
}
return ptr;
}
address address_constant(address c, RelocationHolder const& rspec) {
address ptr = start_a_const(sizeof(c), sizeof(c));
if (ptr != NULL) {
@ -321,8 +339,6 @@ class AbstractAssembler : public ResourceObj {
}
return ptr;
}
inline address address_constant(Label& L);
inline address address_table_constant(GrowableArray<Label*> label);
// Bootstrapping aid to cope with delayed determination of constants.
// Returns a static address which will eventually contain the constant.