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7045514: SPARC assembly code for JSR 292 ricochet frames

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Reviewed-by: kvn, jrose
This commit is contained in:
Tom Rodriguez 2011-06-03 22:31:43 -07:00
parent e666162b03
commit a664e486bd
27 changed files with 2039 additions and 563 deletions
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44
hotspot/src/cpu/sparc/vm/assembler_sparc.hpp
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@ -309,12 +309,14 @@ class Address VALUE_OBJ_CLASS_SPEC {
#endif
// accessors
Register base() const { return _base; }
Register index() const { return _index_or_disp.as_register(); }
int disp() const { return _index_or_disp.as_constant(); }
Register base() const { return _base; }
Register index() const { return _index_or_disp.as_register(); }
int disp() const { return _index_or_disp.as_constant(); }
bool has_index() const { return _index_or_disp.is_register(); }
bool has_disp() const { return _index_or_disp.is_constant(); }
bool has_index() const { return _index_or_disp.is_register(); }
bool has_disp() const { return _index_or_disp.is_constant(); }
bool uses(Register reg) const { return base() == reg || (has_index() && index() == reg); }
const relocInfo::relocType rtype() { return _rspec.type(); }
const RelocationHolder& rspec() { return _rspec; }
@ -330,6 +332,10 @@ class Address VALUE_OBJ_CLASS_SPEC {
Address a(base(), disp() + plusdisp);
return a;
}
bool is_same_address(Address a) const {
// disregard _rspec
return base() == a.base() && (has_index() ? index() == a.index() : disp() == a.disp());
}
Address after_save() const {
Address a = (*this);
@ -436,6 +442,10 @@ class AddressLiteral VALUE_OBJ_CLASS_SPEC {
: _address((address) addr),
_rspec(rspec_from_rtype(rtype, (address) addr)) {}
AddressLiteral(oop* addr, relocInfo::relocType rtype = relocInfo::none)
: _address((address) addr),
_rspec(rspec_from_rtype(rtype, (address) addr)) {}
AddressLiteral(float* addr, relocInfo::relocType rtype = relocInfo::none)
: _address((address) addr),
_rspec(rspec_from_rtype(rtype, (address) addr)) {}
@ -455,6 +465,21 @@ class AddressLiteral VALUE_OBJ_CLASS_SPEC {
}
};
// Convenience classes
class ExternalAddress: public AddressLiteral {
private:
static relocInfo::relocType reloc_for_target(address target) {
// Sometimes ExternalAddress is used for values which aren't
// exactly addresses, like the card table base.
// external_word_type can't be used for values in the first page
// so just skip the reloc in that case.
return external_word_Relocation::can_be_relocated(target) ? relocInfo::external_word_type : relocInfo::none;
}
public:
ExternalAddress(address target) : AddressLiteral(target, reloc_for_target( target)) {}
ExternalAddress(oop* target) : AddressLiteral(target, reloc_for_target((address) target)) {}
};
inline Address RegisterImpl::address_in_saved_window() const {
return (Address(SP, (sp_offset_in_saved_window() * wordSize) + STACK_BIAS));
@ -855,9 +880,8 @@ class Assembler : public AbstractAssembler {
// and be sign-extended. Check the range.
static void assert_signed_range(intptr_t x, int nbits) {
assert( nbits == 32
|| -(1 << nbits-1) <= x && x < ( 1 << nbits-1),
"value out of range");
assert(nbits == 32 || (-(1 << nbits-1) <= x && x < ( 1 << nbits-1)),
err_msg("value out of range: x=" INTPTR_FORMAT ", nbits=%d", x, nbits));
}
static void assert_signed_word_disp_range(intptr_t x, int nbits) {
@ -2287,7 +2311,7 @@ public:
int total_frame_size_in_bytes(int extraWords);
// used when extraWords known statically
void save_frame(int extraWords);
void save_frame(int extraWords = 0);
void save_frame_c1(int size_in_bytes);
// make a frame, and simultaneously pass up one or two register value
// into the new register window
@ -2456,9 +2480,11 @@ public:
// offset relative to Gargs of argument at tos[arg_slot].
// (arg_slot == 0 means the last argument, not the first).
RegisterOrConstant argument_offset(RegisterOrConstant arg_slot,
Register temp_reg,
int extra_slot_offset = 0);
// Address of Gargs and argument_offset.
Address argument_address(RegisterOrConstant arg_slot,
Register temp_reg,
int extra_slot_offset = 0);
// Stack overflow checking