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6943304: remove tagged stack interpreter

Browse source 
Reviewed-by: coleenp, never, gbenson
This commit is contained in:
Christian Thalinger 2010-04-30 08:37:24 -07:00
parent 55457c9cc7
commit 0211f9703a
51 changed files with 510 additions and 1891 deletions
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62
hotspot/src/cpu/sparc/vm/sharedRuntime_sparc.cpp
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@ -547,17 +547,11 @@ class AdapterGenerator {
void set_Rdisp(Register r) { Rdisp = r; }
void patch_callers_callsite();
void tag_c2i_arg(frame::Tag t, Register base, int st_off, Register scratch);
// base+st_off points to top of argument
int arg_offset(const int st_off) { return st_off + Interpreter::value_offset_in_bytes(); }
int arg_offset(const int st_off) { return st_off; }
int next_arg_offset(const int st_off) {
return st_off - Interpreter::stackElementSize() + Interpreter::value_offset_in_bytes();
}
int tag_offset(const int st_off) { return st_off + Interpreter::tag_offset_in_bytes(); }
int next_tag_offset(const int st_off) {
return st_off - Interpreter::stackElementSize() + Interpreter::tag_offset_in_bytes();
return st_off - Interpreter::stackElementSize;
}
// Argument slot values may be loaded first into a register because
@ -565,9 +559,6 @@ class AdapterGenerator {
RegisterOrConstant arg_slot(const int st_off);
RegisterOrConstant next_arg_slot(const int st_off);
RegisterOrConstant tag_slot(const int st_off);
RegisterOrConstant next_tag_slot(const int st_off);
// Stores long into offset pointed to by base
void store_c2i_long(Register r, Register base,
const int st_off, bool is_stack);
@ -653,23 +644,6 @@ void AdapterGenerator::patch_callers_callsite() {
__ bind(L);
}
void AdapterGenerator::tag_c2i_arg(frame::Tag t, Register base, int st_off,
Register scratch) {
if (TaggedStackInterpreter) {
RegisterOrConstant slot = tag_slot(st_off);
// have to store zero because local slots can be reused (rats!)
if (t == frame::TagValue) {
__ st_ptr(G0, base, slot);
} else if (t == frame::TagCategory2) {
__ st_ptr(G0, base, slot);
__ st_ptr(G0, base, next_tag_slot(st_off));
} else {
__ mov(t, scratch);
__ st_ptr(scratch, base, slot);
}
}
}
RegisterOrConstant AdapterGenerator::arg_slot(const int st_off) {
RegisterOrConstant roc(arg_offset(st_off));
@ -682,17 +656,6 @@ RegisterOrConstant AdapterGenerator::next_arg_slot(const int st_off) {
}
RegisterOrConstant AdapterGenerator::tag_slot(const int st_off) {
RegisterOrConstant roc(tag_offset(st_off));
return __ ensure_simm13_or_reg(roc, Rdisp);
}
RegisterOrConstant AdapterGenerator::next_tag_slot(const int st_off) {
RegisterOrConstant roc(next_tag_offset(st_off));
return __ ensure_simm13_or_reg(roc, Rdisp);
}
// Stores long into offset pointed to by base
void AdapterGenerator::store_c2i_long(Register r, Register base,
const int st_off, bool is_stack) {
@ -718,19 +681,16 @@ void AdapterGenerator::store_c2i_long(Register r, Register base,
}
#endif // COMPILER2
#endif // _LP64
tag_c2i_arg(frame::TagCategory2, base, st_off, r);
}
void AdapterGenerator::store_c2i_object(Register r, Register base,
const int st_off) {
__ st_ptr (r, base, arg_slot(st_off));
tag_c2i_arg(frame::TagReference, base, st_off, r);
}
void AdapterGenerator::store_c2i_int(Register r, Register base,
const int st_off) {
__ st (r, base, arg_slot(st_off));
tag_c2i_arg(frame::TagValue, base, st_off, r);
}
// Stores into offset pointed to by base
@ -745,13 +705,11 @@ void AdapterGenerator::store_c2i_double(VMReg r_2,
__ stf(FloatRegisterImpl::S, r_1->as_FloatRegister(), base, next_arg_slot(st_off));
__ stf(FloatRegisterImpl::S, r_2->as_FloatRegister(), base, arg_slot(st_off) );
#endif
tag_c2i_arg(frame::TagCategory2, base, st_off, G1_scratch);
}
void AdapterGenerator::store_c2i_float(FloatRegister f, Register base,
const int st_off) {
__ stf(FloatRegisterImpl::S, f, base, arg_slot(st_off));
tag_c2i_arg(frame::TagValue, base, st_off, G1_scratch);
}
void AdapterGenerator::gen_c2i_adapter(
@ -786,14 +744,14 @@ void AdapterGenerator::gen_c2i_adapter(
// Since all args are passed on the stack, total_args_passed*wordSize is the
// space we need. Add in varargs area needed by the interpreter. Round up
// to stack alignment.
const int arg_size = total_args_passed * Interpreter::stackElementSize();
const int arg_size = total_args_passed * Interpreter::stackElementSize;
const int varargs_area =
(frame::varargs_offset - frame::register_save_words)*wordSize;
const int extraspace = round_to(arg_size + varargs_area, 2*wordSize);
int bias = STACK_BIAS;
const int interp_arg_offset = frame::varargs_offset*wordSize +
(total_args_passed-1)*Interpreter::stackElementSize();
(total_args_passed-1)*Interpreter::stackElementSize;
Register base = SP;
@ -814,7 +772,7 @@ void AdapterGenerator::gen_c2i_adapter(
// First write G1 (if used) to where ever it must go
for (int i=0; i<total_args_passed; i++) {
const int st_off = interp_arg_offset - (i*Interpreter::stackElementSize()) + bias;
const int st_off = interp_arg_offset - (i*Interpreter::stackElementSize) + bias;
VMReg r_1 = regs[i].first();
VMReg r_2 = regs[i].second();
if (r_1 == G1_scratch->as_VMReg()) {
@ -831,7 +789,7 @@ void AdapterGenerator::gen_c2i_adapter(
// Now write the args into the outgoing interpreter space
for (int i=0; i<total_args_passed; i++) {
const int st_off = interp_arg_offset - (i*Interpreter::stackElementSize()) + bias;
const int st_off = interp_arg_offset - (i*Interpreter::stackElementSize) + bias;
VMReg r_1 = regs[i].first();
VMReg r_2 = regs[i].second();
if (!r_1->is_valid()) {
@ -900,7 +858,7 @@ void AdapterGenerator::gen_c2i_adapter(
#endif // _LP64
__ mov((frame::varargs_offset)*wordSize -
1*Interpreter::stackElementSize()+bias+BytesPerWord, G1);
1*Interpreter::stackElementSize+bias+BytesPerWord, G1);
// Jump to the interpreter just as if interpreter was doing it.
__ jmpl(G3_scratch, 0, G0);
// Setup Lesp for the call. Cannot actually set Lesp as the current Lesp
@ -1051,7 +1009,7 @@ void AdapterGenerator::gen_i2c_adapter(
// ldx/lddf optimizations.
// Load in argument order going down.
const int ld_off = (total_args_passed-i)*Interpreter::stackElementSize();
const int ld_off = (total_args_passed-i)*Interpreter::stackElementSize;
set_Rdisp(G1_scratch);
VMReg r_1 = regs[i].first();
@ -1120,7 +1078,7 @@ void AdapterGenerator::gen_i2c_adapter(
for (int i=0; i<total_args_passed; i++) {
if (regs[i].first()->is_Register() && regs[i].second()->is_valid()) {
// Load in argument order going down
int ld_off = (total_args_passed-i)*Interpreter::stackElementSize();
int ld_off = (total_args_passed-i)*Interpreter::stackElementSize;
// Need to marshal 64-bit value from misaligned Lesp loads
Register r = regs[i].first()->as_Register()->after_restore();
if (r == G1 || r == G4) {
@ -3062,7 +3020,7 @@ int Deoptimization::last_frame_adjust(int callee_parameters, int callee_locals)
"test and remove; got more parms than locals");
if (callee_locals < callee_parameters)
return 0; // No adjustment for negative locals
int diff = (callee_locals - callee_parameters) * Interpreter::stackElementWords();
int diff = (callee_locals - callee_parameters) * Interpreter::stackElementWords;
return round_to(diff, WordsPerLong);
}