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[loong64][mips][deoptimizer] Remove non-fixed-size deopts

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Port commit 0a110021d2

Change-Id: I065d5e79c3432ef9f306e70635a86de89eb531dc
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/3559771
Reviewed-by: Zhao Jiazhong <zhaojiazhong-hf@loongson.cn>
Auto-Submit: Yu Liu <liuyu@loongson.cn>
Commit-Queue: Yu Liu <liuyu@loongson.cn>
Cr-Commit-Position: refs/heads/main@{#79670}
This commit is contained in:
Liu Yu 2022-03-30 11:42:50 +08:00 committed by V8 LUCI CQ
parent 57d985a584
commit 0be6983593
3 changed files with 31 additions and 37 deletions
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22
src/builtins/loong64/builtins-loong64.cc
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@ -3399,17 +3399,16 @@ void Generate_DeoptimizationEntry(MacroAssembler* masm,
const int kSavedRegistersAreaSize =
(kNumberOfRegisters * kPointerSize) + kDoubleRegsSize;
__ li(a2, Operand(Deoptimizer::kFixedExitSizeMarker));
// Get the address of the location in the code object (a3) (return
// Get the address of the location in the code object (a2) (return
// address for lazy deoptimization) and compute the fp-to-sp delta in
// register a4.
__ mov(a3, ra);
__ Add_d(a4, sp, Operand(kSavedRegistersAreaSize));
// register a3.
__ mov(a2, ra);
__ Add_d(a3, sp, Operand(kSavedRegistersAreaSize));
__ sub_d(a4, fp, a4);
__ sub_d(a3, fp, a3);
// Allocate a new deoptimizer object.
__ PrepareCallCFunction(6, a5);
__ PrepareCallCFunction(5, a4);
// Pass six arguments, according to n64 ABI.
__ mov(a0, zero_reg);
Label context_check;
@ -3418,15 +3417,14 @@ void Generate_DeoptimizationEntry(MacroAssembler* masm,
__ Ld_d(a0, MemOperand(fp, StandardFrameConstants::kFunctionOffset));
__ bind(&context_check);
__ li(a1, Operand(static_cast<int>(deopt_kind)));
// a2: bailout id already loaded.
// a3: code address or 0 already loaded.
// a4: already has fp-to-sp delta.
__ li(a5, ExternalReference::isolate_address(isolate));
// a2: code address or 0 already loaded.
// a3: already has fp-to-sp delta.
__ li(a4, ExternalReference::isolate_address(isolate));
// Call Deoptimizer::New().
{
AllowExternalCallThatCantCauseGC scope(masm);
__ CallCFunction(ExternalReference::new_deoptimizer_function(), 6);
__ CallCFunction(ExternalReference::new_deoptimizer_function(), 5);
}
// Preserve "deoptimizer" object in register a0 and get the input

24
src/builtins/mips/builtins-mips.cc
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@ -3846,16 +3846,15 @@ void Generate_DeoptimizationEntry(MacroAssembler* masm,
static constexpr int kSavedRegistersAreaSize =
(kNumberOfRegisters * kPointerSize) + kDoubleRegsSize;
__ li(a2, Operand(Deoptimizer::kFixedExitSizeMarker));
// Get the address of the location in the code object (a3) (return
// Get the address of the location in the code object (a2) (return
// address for lazy deoptimization) and compute the fp-to-sp delta in
// register t0.
__ mov(a3, ra);
__ Addu(t0, sp, Operand(kSavedRegistersAreaSize));
__ Subu(t0, fp, t0);
// register a3.
__ mov(a2, ra);
__ Addu(a3, sp, Operand(kSavedRegistersAreaSize));
__ Subu(a3, fp, a3);
// Allocate a new deoptimizer object.
__ PrepareCallCFunction(6, t1);
__ PrepareCallCFunction(5, t0);
// Pass four arguments in a0 to a3 and fifth & sixth arguments on stack.
__ mov(a0, zero_reg);
Label context_check;
@ -3864,15 +3863,14 @@ void Generate_DeoptimizationEntry(MacroAssembler* masm,
__ lw(a0, MemOperand(fp, StandardFrameConstants::kFunctionOffset));
__ bind(&context_check);
__ li(a1, Operand(static_cast<int>(deopt_kind)));
// a2: bailout id already loaded.
// a3: code address or 0 already loaded.
__ sw(t0, CFunctionArgumentOperand(5)); // Fp-to-sp delta.
__ li(t1, ExternalReference::isolate_address(isolate));
__ sw(t1, CFunctionArgumentOperand(6)); // Isolate.
// a2: code address or 0 already loaded.
// a3: Fp-to-sp delta already loaded.
__ li(t0, ExternalReference::isolate_address(isolate));
__ sw(t0, CFunctionArgumentOperand(5)); // Isolate.
// Call Deoptimizer::New().
{
AllowExternalCallThatCantCauseGC scope(masm);
__ CallCFunction(ExternalReference::new_deoptimizer_function(), 6);
__ CallCFunction(ExternalReference::new_deoptimizer_function(), 5);
}
// Preserve "deoptimizer" object in register v0 and get the input

22
src/builtins/mips64/builtins-mips64.cc
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@ -3425,17 +3425,16 @@ void Generate_DeoptimizationEntry(MacroAssembler* masm,
const int kSavedRegistersAreaSize =
(kNumberOfRegisters * kPointerSize) + kDoubleRegsSize;
__ li(a2, Operand(Deoptimizer::kFixedExitSizeMarker));
// Get the address of the location in the code object (a3) (return
// Get the address of the location in the code object (a2) (return
// address for lazy deoptimization) and compute the fp-to-sp delta in
// register a4.
__ mov(a3, ra);
__ Daddu(a4, sp, Operand(kSavedRegistersAreaSize));
// register a3.
__ mov(a2, ra);
__ Daddu(a3, sp, Operand(kSavedRegistersAreaSize));
__ Dsubu(a4, fp, a4);
__ Dsubu(a3, fp, a3);
// Allocate a new deoptimizer object.
__ PrepareCallCFunction(6, a5);
__ PrepareCallCFunction(5, a4);
// Pass six arguments, according to n64 ABI.
__ mov(a0, zero_reg);
Label context_check;
@ -3444,15 +3443,14 @@ void Generate_DeoptimizationEntry(MacroAssembler* masm,
__ Ld(a0, MemOperand(fp, StandardFrameConstants::kFunctionOffset));
__ bind(&context_check);
__ li(a1, Operand(static_cast<int>(deopt_kind)));
// a2: bailout id already loaded.
// a3: code address or 0 already loaded.
// a4: already has fp-to-sp delta.
__ li(a5, ExternalReference::isolate_address(isolate));
// a2: code address or 0 already loaded.
// a3: already has fp-to-sp delta.
__ li(a4, ExternalReference::isolate_address(isolate));
// Call Deoptimizer::New().
{
AllowExternalCallThatCantCauseGC scope(masm);
__ CallCFunction(ExternalReference::new_deoptimizer_function(), 6);
__ CallCFunction(ExternalReference::new_deoptimizer_function(), 5);
}
// Preserve "deoptimizer" object in register v0 and get the input