graal-compiler: src/cpu/sparc/vm/sharedRuntime

comparison src/cpu/sparc/vm/sharedRuntime_sparc.cpp @ 1506:2338d41fbd81

6943304: remove tagged stack interpreter Reviewed-by: coleenp, never, gbenson

author	twisti
date	Fri, 30 Apr 2010 08:37:24 -0700
parents	576e77447e3c
children	c18cbe5936b8 61b2245abf36

comparison

equal deleted inserted replaced

-:0c5b3cf3c1f5
+:2338d41fbd81
 MacroAssembler *masm;
 Register Rdisp;
 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();
+return st_off - Interpreter::stackElementSize;
-}
-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();
 }
 // Argument slot values may be loaded first into a register because
 // they might not fit into displacement.
 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);
 void store_c2i_object(Register r, Register base,
 __ restore();      // Restore args
 __ 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));
 return __ ensure_simm13_or_reg(roc, Rdisp);
 }
 RegisterOrConstant AdapterGenerator::next_arg_slot(const int st_off) {
 RegisterOrConstant roc(next_arg_offset(st_off));
-return __ ensure_simm13_or_reg(roc, Rdisp);
-}
-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
 __ stw(r->successor(), base, arg_slot(st_off)     ); // lo bits
 __ stw(r             , base, next_arg_slot(st_off)); // hi bits
 }
 #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
 void AdapterGenerator::store_c2i_double(VMReg r_2,
 VMReg r_1, Register base, const int st_off) {
 #else
 // Need to marshal 64-bit value from misaligned Lesp loads
 __ 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(
 int total_args_passed,
 // VMReg max_arg,
 __ bind(skip_fixup);
 // 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;
 #ifdef _LP64
 // In the 64bit build because of wider slots and STACKBIAS we can run
 __ sub(SP, extraspace, SP);
 #endif // _LP64
 // 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()) {
 if (sig_bt[i] == T_OBJECT || sig_bt[i] == T_ARRAY) {
 store_c2i_object(G1_scratch, base, st_off);
 }
 }
 // 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()) {
 assert(!r_2->is_valid(), "");
 continue;
 // The interpreter will restore SP to this value before returning.
 __ add(SP, extraspace, O5_savedSP);
 #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
 // (really L0) is in use by the compiled frame as a generic temp.  However,
 // the interpreter does not know where its args are without some kind of
 // Pick up 0, 1 or 2 words from Lesp+offset.  Assume mis-aligned in the
 // 32-bit build and aligned in the 64-bit build.  Look for the obvious
 // 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();
 VMReg r_2 = regs[i].second();
 if (!r_1->is_valid()) {
 bool g4_crushed = false;
 bool g3_crushed = false;
 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) {
 assert(!g4_crushed, "ordering problem");
 if (r == G4){
 int Deoptimization::last_frame_adjust(int callee_parameters, int callee_locals) {
 assert(callee_locals >= callee_parameters,
 "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);
 }
 // "Top of Stack" slots that may be unused by the calling convention but must
 // otherwise be preserved.

Mercurial > hg > graal-compiler

comparison src/cpu/sparc/vm/sharedRuntime_sparc.cpp @ 1506:2338d41fbd81