8256009: Remove src/hotspot/share/adlc/Test/i486.ad

Reviewed-by: shade, thartmann
This commit is contained in:
Jie Fu 2020-11-10 13:49:01 +00:00
parent 3455fa9bfd
commit a1d4b9f35b
9 changed files with 11 additions and 11 deletions

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@ -3888,7 +3888,7 @@ frame %{
// The `sig' array is to be updated. sig[j] represents the location
// of the j-th argument, either a register or a stack slot.
// Comment taken from i486.ad:
// Comment taken from x86_32.ad:
// Body of function which returns an integer array locating
// arguments either in registers or in stack slots. Passed an array
// of ideal registers called "sig" and a "length" count. Stack-slot
@ -3900,7 +3900,7 @@ frame %{
SharedRuntime::java_calling_convention(sig_bt, regs, length, false);
%}
// Comment taken from i486.ad:
// Comment taken from x86_32.ad:
// Body of function which returns an integer array locating
// arguments either in registers or in stack slots. Passed an array
// of ideal registers called "sig" and a "length" count. Stack-slot

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@ -507,7 +507,7 @@ bool PosixSignals::pd_hotspot_signal_handler(int sig, siginfo_t* info,
int op = pc[0];
if (op == 0xDB) {
// FIST
// TODO: The encoding of D2I in i486.ad can cause an exception
// TODO: The encoding of D2I in x86_32.ad can cause an exception
// prior to the fist instruction if there was an invalid operation
// pending. We want to dismiss that exception. From the win_32
// side it also seems that if it really was the fist causing

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@ -292,7 +292,7 @@ bool PosixSignals::pd_hotspot_signal_handler(int sig, siginfo_t* info,
int op = pc[0];
if (op == 0xDB) {
// FIST
// TODO: The encoding of D2I in i486.ad can cause an exception
// TODO: The encoding of D2I in x86_32.ad can cause an exception
// prior to the fist instruction if there was an invalid operation
// pending. We want to dismiss that exception. From the win_32
// side it also seems that if it really was the fist causing

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@ -3000,7 +3000,7 @@ void ArchDesc::define_oper_interface(FILE *fp, OperandForm &oper, FormDict &glob
// Provide a non-NULL return for disp_as_type() that will allow adr_type()
// to correctly compute the access type for alias analysis.
//
// See BugId 4796752, operand indOffset32X in i486.ad
// See BugId 4796752, operand indOffset32X in x86_32.ad
int idx = rep_var_to_constant_index(disp, oper, globals);
fprintf(fp," virtual const TypePtr *disp_as_type() const { return _c%d; }\n", idx);
}

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@ -295,7 +295,7 @@ const Node* MachNode::get_base_and_disp(intptr_t &offset, const TypePtr* &adr_ty
}
offset = disp;
// In i486.ad, indOffset32X uses base==RegI and disp==RegP,
// In x86_32.ad, indOffset32X uses base==RegI and disp==RegP,
// this will prevent alias analysis without the following support:
// Lookup the TypePtr used by indOffset32X, a compile-time constant oop,
// Add the offset determined by the "base", or use Type::OffsetBot.

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@ -151,7 +151,7 @@ public:
virtual int index_position() const; // index edge position, or -1
// Access the TypeKlassPtr of operands with a base==RegI and disp==RegP
// Only returns non-null value for i486.ad's indOffset32X
// Only returns non-null value for x86_32.ad's indOffset32X
virtual const TypePtr *disp_as_type() const { return NULL; }
// Return the label

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@ -2337,7 +2337,7 @@ void Parse::do_one_bytecode() {
if (Matcher::convL2FSupported()) {
a = pop_pair();
b = _gvn.transform( new ConvL2FNode(a));
// For i486.ad, FILD doesn't restrict precision to 24 or 53 bits.
// For x86_32.ad, FILD doesn't restrict precision to 24 or 53 bits.
// Rather than storing the result into an FP register then pushing
// out to memory to round, the machine instruction that implements
// ConvL2D is responsible for rounding.
@ -2352,7 +2352,7 @@ void Parse::do_one_bytecode() {
case Bytecodes::_l2d:
a = pop_pair();
b = _gvn.transform( new ConvL2DNode(a));
// For i486.ad, rounding is always necessary (see _l2f above).
// For x86_32.ad, rounding is always necessary (see _l2f above).
// c = dprecision_rounding(b);
c = _gvn.transform(b);
push_pair(c);

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@ -59,8 +59,8 @@
// The "core" versions of monitor enter and exit reside in this file.
// The interpreter and compilers contain specialized transliterated
// variants of the enter-exit fast-path operations. See i486.ad fast_lock(),
// for instance. If you make changes here, make sure to modify the
// variants of the enter-exit fast-path operations. See c2_MacroAssembler_x86.cpp
// fast_lock(...) for instance. If you make changes here, make sure to modify the
// interpreter, and both C1 and C2 fast-path inline locking code emission.
//
// -----------------------------------------------------------------------------