Reland "Fix missing x87 tracking for deferred code."
Fixed mac build. BUG= R=mstarzinger@chromium.org Review URL: https://codereview.chromium.org/23490022 git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@16449 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
This commit is contained in:
olivf@chromium.org
parent
25d86eacbd
commit
7669decc41
@ -423,6 +423,8 @@ bool LCodeGen::GenerateDeferredCode() {
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if (deferred_.length() > 0) {
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for (int i = 0; !is_aborted() && i < deferred_.length(); i++) {
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LDeferredCode* code = deferred_[i];
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X87Stack copy(code->x87_stack());
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x87_stack_ = copy;
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int pos = instructions_->at(code->instruction_index())->position();
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RecordAndUpdatePosition(pos);
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@ -503,6 +505,7 @@ void LCodeGen::X87LoadForUsage(X87Register reg) {
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void LCodeGen::X87Stack::Fxch(X87Register reg, int other_slot) {
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ASSERT(is_mutable_);
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ASSERT(Contains(reg) && stack_depth_ > other_slot);
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int i = ArrayIndex(reg);
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int st = st2idx(i);
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@ -547,6 +550,7 @@ bool LCodeGen::X87Stack::Contains(X87Register reg) {
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void LCodeGen::X87Stack::Free(X87Register reg) {
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ASSERT(is_mutable_);
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ASSERT(Contains(reg));
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int i = ArrayIndex(reg);
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int st = st2idx(i);
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@ -606,6 +610,7 @@ void LCodeGen::X87Mov(Operand dst, X87Register src, X87OperandType opts) {
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void LCodeGen::X87Stack::PrepareToWrite(X87Register reg) {
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ASSERT(is_mutable_);
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if (Contains(reg)) {
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Free(reg);
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}
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@ -615,6 +620,7 @@ void LCodeGen::X87Stack::PrepareToWrite(X87Register reg) {
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void LCodeGen::X87Stack::CommitWrite(X87Register reg) {
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ASSERT(is_mutable_);
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// Assert the reg is prepared to write, but not on the virtual stack yet
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ASSERT(!Contains(reg) && stack_[stack_depth_].is(reg) &&
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stack_depth_ < X87Register::kNumAllocatableRegisters);
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@ -2841,8 +2847,9 @@ void LCodeGen::DoInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr) {
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class DeferredInstanceOfKnownGlobal V8_FINAL : public LDeferredCode {
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public:
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DeferredInstanceOfKnownGlobal(LCodeGen* codegen,
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LInstanceOfKnownGlobal* instr)
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: LDeferredCode(codegen), instr_(instr) { }
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LInstanceOfKnownGlobal* instr,
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const X87Stack& x87_stack)
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: LDeferredCode(codegen, x87_stack), instr_(instr) { }
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virtual void Generate() V8_OVERRIDE {
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codegen()->DoDeferredInstanceOfKnownGlobal(instr_, &map_check_);
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}
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@ -2854,7 +2861,7 @@ void LCodeGen::DoInstanceOfKnownGlobal(LInstanceOfKnownGlobal* instr) {
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};
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DeferredInstanceOfKnownGlobal* deferred;
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deferred = new(zone()) DeferredInstanceOfKnownGlobal(this, instr);
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deferred = new(zone()) DeferredInstanceOfKnownGlobal(this, instr, x87_stack_);
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Label done, false_result;
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Register object = ToRegister(instr->value());
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@ -3808,8 +3815,10 @@ void LCodeGen::DoMathAbs(LMathAbs* instr) {
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// Class for deferred case.
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class DeferredMathAbsTaggedHeapNumber V8_FINAL : public LDeferredCode {
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public:
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DeferredMathAbsTaggedHeapNumber(LCodeGen* codegen, LMathAbs* instr)
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: LDeferredCode(codegen), instr_(instr) { }
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DeferredMathAbsTaggedHeapNumber(LCodeGen* codegen,
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LMathAbs* instr,
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const X87Stack& x87_stack)
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: LDeferredCode(codegen, x87_stack), instr_(instr) { }
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virtual void Generate() V8_OVERRIDE {
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codegen()->DoDeferredMathAbsTaggedHeapNumber(instr_);
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}
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@ -3832,7 +3841,7 @@ void LCodeGen::DoMathAbs(LMathAbs* instr) {
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EmitIntegerMathAbs(instr);
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} else { // Tagged case.
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DeferredMathAbsTaggedHeapNumber* deferred =
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new(zone()) DeferredMathAbsTaggedHeapNumber(this, instr);
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new(zone()) DeferredMathAbsTaggedHeapNumber(this, instr, x87_stack_);
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Register input_reg = ToRegister(instr->value());
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// Smi check.
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__ JumpIfNotSmi(input_reg, deferred->entry());
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@ -4048,15 +4057,18 @@ void LCodeGen::DoPower(LPower* instr) {
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void LCodeGen::DoRandom(LRandom* instr) {
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class DeferredDoRandom V8_FINAL : public LDeferredCode {
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public:
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DeferredDoRandom(LCodeGen* codegen, LRandom* instr)
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: LDeferredCode(codegen), instr_(instr) { }
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DeferredDoRandom(LCodeGen* codegen,
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LRandom* instr,
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const X87Stack& x87_stack)
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: LDeferredCode(codegen, x87_stack), instr_(instr) { }
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virtual void Generate() V8_OVERRIDE { codegen()->DoDeferredRandom(instr_); }
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virtual LInstruction* instr() V8_OVERRIDE { return instr_; }
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private:
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LRandom* instr_;
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};
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DeferredDoRandom* deferred = new(zone()) DeferredDoRandom(this, instr);
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DeferredDoRandom* deferred =
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new(zone()) DeferredDoRandom(this, instr, x87_stack_);
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CpuFeatureScope scope(masm(), SSE2);
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// Having marked this instruction as a call we can use any
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@ -4791,8 +4803,10 @@ void LCodeGen::DoTransitionElementsKind(LTransitionElementsKind* instr) {
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void LCodeGen::DoStringCharCodeAt(LStringCharCodeAt* instr) {
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class DeferredStringCharCodeAt V8_FINAL : public LDeferredCode {
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public:
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DeferredStringCharCodeAt(LCodeGen* codegen, LStringCharCodeAt* instr)
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: LDeferredCode(codegen), instr_(instr) { }
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DeferredStringCharCodeAt(LCodeGen* codegen,
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LStringCharCodeAt* instr,
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const X87Stack& x87_stack)
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: LDeferredCode(codegen, x87_stack), instr_(instr) { }
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virtual void Generate() V8_OVERRIDE {
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codegen()->DoDeferredStringCharCodeAt(instr_);
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}
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@ -4802,7 +4816,7 @@ void LCodeGen::DoStringCharCodeAt(LStringCharCodeAt* instr) {
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};
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DeferredStringCharCodeAt* deferred =
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new(zone()) DeferredStringCharCodeAt(this, instr);
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new(zone()) DeferredStringCharCodeAt(this, instr, x87_stack_);
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StringCharLoadGenerator::Generate(masm(),
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factory(),
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@ -4848,8 +4862,10 @@ void LCodeGen::DoDeferredStringCharCodeAt(LStringCharCodeAt* instr) {
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void LCodeGen::DoStringCharFromCode(LStringCharFromCode* instr) {
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class DeferredStringCharFromCode V8_FINAL : public LDeferredCode {
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public:
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DeferredStringCharFromCode(LCodeGen* codegen, LStringCharFromCode* instr)
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: LDeferredCode(codegen), instr_(instr) { }
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DeferredStringCharFromCode(LCodeGen* codegen,
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LStringCharFromCode* instr,
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const X87Stack& x87_stack)
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: LDeferredCode(codegen, x87_stack), instr_(instr) { }
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virtual void Generate() V8_OVERRIDE {
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codegen()->DoDeferredStringCharFromCode(instr_);
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}
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@ -4859,7 +4875,7 @@ void LCodeGen::DoStringCharFromCode(LStringCharFromCode* instr) {
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};
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DeferredStringCharFromCode* deferred =
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new(zone()) DeferredStringCharFromCode(this, instr);
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new(zone()) DeferredStringCharFromCode(this, instr, x87_stack_);
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ASSERT(instr->hydrogen()->value()->representation().IsInteger32());
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Register char_code = ToRegister(instr->char_code());
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@ -4947,8 +4963,10 @@ void LCodeGen::DoUint32ToDouble(LUint32ToDouble* instr) {
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void LCodeGen::DoNumberTagI(LNumberTagI* instr) {
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class DeferredNumberTagI V8_FINAL : public LDeferredCode {
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public:
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DeferredNumberTagI(LCodeGen* codegen, LNumberTagI* instr)
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: LDeferredCode(codegen), instr_(instr) { }
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DeferredNumberTagI(LCodeGen* codegen,
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LNumberTagI* instr,
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const X87Stack& x87_stack)
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: LDeferredCode(codegen, x87_stack), instr_(instr) { }
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virtual void Generate() V8_OVERRIDE {
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codegen()->DoDeferredNumberTagI(instr_, instr_->value(), SIGNED_INT32);
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}
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@ -4961,7 +4979,8 @@ void LCodeGen::DoNumberTagI(LNumberTagI* instr) {
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ASSERT(input->IsRegister() && input->Equals(instr->result()));
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Register reg = ToRegister(input);
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DeferredNumberTagI* deferred = new(zone()) DeferredNumberTagI(this, instr);
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DeferredNumberTagI* deferred =
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new(zone()) DeferredNumberTagI(this, instr, x87_stack_);
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__ SmiTag(reg);
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__ j(overflow, deferred->entry());
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__ bind(deferred->exit());
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@ -4971,8 +4990,10 @@ void LCodeGen::DoNumberTagI(LNumberTagI* instr) {
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void LCodeGen::DoNumberTagU(LNumberTagU* instr) {
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class DeferredNumberTagU V8_FINAL : public LDeferredCode {
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public:
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DeferredNumberTagU(LCodeGen* codegen, LNumberTagU* instr)
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: LDeferredCode(codegen), instr_(instr) { }
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DeferredNumberTagU(LCodeGen* codegen,
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LNumberTagU* instr,
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const X87Stack& x87_stack)
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: LDeferredCode(codegen, x87_stack), instr_(instr) { }
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virtual void Generate() V8_OVERRIDE {
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codegen()->DoDeferredNumberTagI(instr_, instr_->value(), UNSIGNED_INT32);
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}
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@ -4985,7 +5006,8 @@ void LCodeGen::DoNumberTagU(LNumberTagU* instr) {
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ASSERT(input->IsRegister() && input->Equals(instr->result()));
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Register reg = ToRegister(input);
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DeferredNumberTagU* deferred = new(zone()) DeferredNumberTagU(this, instr);
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DeferredNumberTagU* deferred =
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new(zone()) DeferredNumberTagU(this, instr, x87_stack_);
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__ cmp(reg, Immediate(Smi::kMaxValue));
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__ j(above, deferred->entry());
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__ SmiTag(reg);
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@ -5074,8 +5096,10 @@ void LCodeGen::DoDeferredNumberTagI(LInstruction* instr,
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void LCodeGen::DoNumberTagD(LNumberTagD* instr) {
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class DeferredNumberTagD V8_FINAL : public LDeferredCode {
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public:
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DeferredNumberTagD(LCodeGen* codegen, LNumberTagD* instr)
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: LDeferredCode(codegen), instr_(instr) { }
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DeferredNumberTagD(LCodeGen* codegen,
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LNumberTagD* instr,
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const X87Stack& x87_stack)
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: LDeferredCode(codegen, x87_stack), instr_(instr) { }
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virtual void Generate() V8_OVERRIDE {
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codegen()->DoDeferredNumberTagD(instr_);
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}
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@ -5093,7 +5117,8 @@ void LCodeGen::DoNumberTagD(LNumberTagD* instr) {
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X87LoadForUsage(src);
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}
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DeferredNumberTagD* deferred = new(zone()) DeferredNumberTagD(this, instr);
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DeferredNumberTagD* deferred =
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new(zone()) DeferredNumberTagD(this, instr, x87_stack_);
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if (FLAG_inline_new) {
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Register tmp = ToRegister(instr->temp());
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__ AllocateHeapNumber(reg, tmp, no_reg, deferred->entry());
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@ -5375,8 +5400,10 @@ void LCodeGen::DoDeferredTaggedToI(LTaggedToI* instr) {
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void LCodeGen::DoTaggedToI(LTaggedToI* instr) {
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class DeferredTaggedToI V8_FINAL : public LDeferredCode {
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public:
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DeferredTaggedToI(LCodeGen* codegen, LTaggedToI* instr)
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: LDeferredCode(codegen), instr_(instr) { }
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DeferredTaggedToI(LCodeGen* codegen,
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LTaggedToI* instr,
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const X87Stack& x87_stack)
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: LDeferredCode(codegen, x87_stack), instr_(instr) { }
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virtual void Generate() V8_OVERRIDE {
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codegen()->DoDeferredTaggedToI(instr_);
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}
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@ -5390,7 +5417,8 @@ void LCodeGen::DoTaggedToI(LTaggedToI* instr) {
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Register input_reg = ToRegister(input);
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ASSERT(input_reg.is(ToRegister(instr->result())));
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DeferredTaggedToI* deferred = new(zone()) DeferredTaggedToI(this, instr);
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DeferredTaggedToI* deferred =
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new(zone()) DeferredTaggedToI(this, instr, x87_stack_);
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__ JumpIfNotSmi(input_reg, deferred->entry());
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__ SmiUntag(input_reg);
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@ -5536,8 +5564,10 @@ void LCodeGen::DoDeferredTaggedToINoSSE2(LTaggedToINoSSE2* instr) {
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void LCodeGen::DoTaggedToINoSSE2(LTaggedToINoSSE2* instr) {
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class DeferredTaggedToINoSSE2 V8_FINAL : public LDeferredCode {
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public:
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DeferredTaggedToINoSSE2(LCodeGen* codegen, LTaggedToINoSSE2* instr)
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: LDeferredCode(codegen), instr_(instr) { }
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DeferredTaggedToINoSSE2(LCodeGen* codegen,
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LTaggedToINoSSE2* instr,
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const X87Stack& x87_stack)
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: LDeferredCode(codegen, x87_stack), instr_(instr) { }
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virtual void Generate() V8_OVERRIDE {
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codegen()->DoDeferredTaggedToINoSSE2(instr_);
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}
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@ -5552,7 +5582,7 @@ void LCodeGen::DoTaggedToINoSSE2(LTaggedToINoSSE2* instr) {
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ASSERT(input_reg.is(ToRegister(instr->result())));
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DeferredTaggedToINoSSE2* deferred =
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new(zone()) DeferredTaggedToINoSSE2(this, instr);
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new(zone()) DeferredTaggedToINoSSE2(this, instr, x87_stack_);
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// Smi check.
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__ JumpIfNotSmi(input_reg, deferred->entry());
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@ -5832,8 +5862,11 @@ void LCodeGen::DoDeferredInstanceMigration(LCheckMaps* instr, Register object) {
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void LCodeGen::DoCheckMaps(LCheckMaps* instr) {
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class DeferredCheckMaps V8_FINAL : public LDeferredCode {
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public:
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DeferredCheckMaps(LCodeGen* codegen, LCheckMaps* instr, Register object)
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: LDeferredCode(codegen), instr_(instr), object_(object) {
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DeferredCheckMaps(LCodeGen* codegen,
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LCheckMaps* instr,
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Register object,
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const X87Stack& x87_stack)
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: LDeferredCode(codegen, x87_stack), instr_(instr), object_(object) {
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SetExit(check_maps());
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}
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virtual void Generate() V8_OVERRIDE {
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@ -5857,7 +5890,7 @@ void LCodeGen::DoCheckMaps(LCheckMaps* instr) {
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DeferredCheckMaps* deferred = NULL;
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if (instr->hydrogen()->has_migration_target()) {
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deferred = new(zone()) DeferredCheckMaps(this, instr, reg);
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deferred = new(zone()) DeferredCheckMaps(this, instr, reg, x87_stack_);
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__ bind(deferred->check_maps());
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}
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@ -6055,8 +6088,10 @@ void LCodeGen::DoClampTToUint8NoSSE2(LClampTToUint8NoSSE2* instr) {
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void LCodeGen::DoAllocate(LAllocate* instr) {
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class DeferredAllocate V8_FINAL : public LDeferredCode {
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public:
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DeferredAllocate(LCodeGen* codegen, LAllocate* instr)
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: LDeferredCode(codegen), instr_(instr) { }
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DeferredAllocate(LCodeGen* codegen,
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LAllocate* instr,
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const X87Stack& x87_stack)
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: LDeferredCode(codegen, x87_stack), instr_(instr) { }
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virtual void Generate() V8_OVERRIDE {
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codegen()->DoDeferredAllocate(instr_);
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}
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@ -6066,7 +6101,7 @@ void LCodeGen::DoAllocate(LAllocate* instr) {
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};
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DeferredAllocate* deferred =
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new(zone()) DeferredAllocate(this, instr);
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new(zone()) DeferredAllocate(this, instr, x87_stack_);
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Register result = ToRegister(instr->result());
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Register temp = ToRegister(instr->temp());
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@ -6406,8 +6441,10 @@ void LCodeGen::DoDeferredStackCheck(LStackCheck* instr) {
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void LCodeGen::DoStackCheck(LStackCheck* instr) {
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class DeferredStackCheck V8_FINAL : public LDeferredCode {
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public:
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DeferredStackCheck(LCodeGen* codegen, LStackCheck* instr)
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: LDeferredCode(codegen), instr_(instr) { }
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DeferredStackCheck(LCodeGen* codegen,
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LStackCheck* instr,
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const X87Stack& x87_stack)
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: LDeferredCode(codegen, x87_stack), instr_(instr) { }
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virtual void Generate() V8_OVERRIDE {
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codegen()->DoDeferredStackCheck(instr_);
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}
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@ -6441,7 +6478,7 @@ void LCodeGen::DoStackCheck(LStackCheck* instr) {
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ASSERT(instr->hydrogen()->is_backwards_branch());
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// Perform stack overflow check if this goto needs it before jumping.
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DeferredStackCheck* deferred_stack_check =
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new(zone()) DeferredStackCheck(this, instr);
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new(zone()) DeferredStackCheck(this, instr, x87_stack_);
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ExternalReference stack_limit =
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ExternalReference::address_of_stack_limit(isolate());
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__ cmp(esp, Operand::StaticVariable(stack_limit));
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@ -448,10 +448,10 @@ class LCodeGen V8_FINAL BASE_EMBEDDED {
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class X87Stack {
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public:
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explicit X87Stack(MacroAssembler* masm) : stack_depth_(0), masm_(masm) { }
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explicit X87Stack(MacroAssembler* masm)
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: stack_depth_(0), is_mutable_(true), masm_(masm) { }
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explicit X87Stack(const X87Stack& other)
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: stack_depth_(0), masm_(other.masm_) {
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stack_depth_ = other.stack_depth_;
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: stack_depth_(other.stack_depth_), is_mutable_(false), masm_(masm()) {
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for (int i = 0; i < stack_depth_; i++) {
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stack_[i] = other.stack_[i];
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}
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@ -470,8 +470,12 @@ class LCodeGen V8_FINAL BASE_EMBEDDED {
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void CommitWrite(X87Register reg);
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void FlushIfNecessary(LInstruction* instr, LCodeGen* cgen);
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int depth() const { return stack_depth_; }
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void pop() { stack_depth_--; }
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void pop() {
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ASSERT(is_mutable_);
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stack_depth_--;
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}
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void push(X87Register reg) {
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ASSERT(is_mutable_);
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ASSERT(stack_depth_ < X87Register::kNumAllocatableRegisters);
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stack_[stack_depth_] = reg;
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stack_depth_++;
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@ -482,9 +486,11 @@ class LCodeGen V8_FINAL BASE_EMBEDDED {
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private:
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int ArrayIndex(X87Register reg);
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int st2idx(int pos);
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X87Register stack_[X87Register::kNumAllocatableRegisters];
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int stack_depth_;
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MacroAssembler* const masm_;
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bool is_mutable_;
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MacroAssembler* masm_;
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};
|
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X87Stack x87_stack_;
|
||||
|
||||
@ -528,10 +534,11 @@ class LCodeGen V8_FINAL BASE_EMBEDDED {
|
||||
|
||||
class LDeferredCode : public ZoneObject {
|
||||
public:
|
||||
explicit LDeferredCode(LCodeGen* codegen)
|
||||
explicit LDeferredCode(LCodeGen* codegen, const LCodeGen::X87Stack& x87_stack)
|
||||
: codegen_(codegen),
|
||||
external_exit_(NULL),
|
||||
instruction_index_(codegen->current_instruction_) {
|
||||
instruction_index_(codegen->current_instruction_),
|
||||
x87_stack_(x87_stack) {
|
||||
codegen->AddDeferredCode(this);
|
||||
}
|
||||
|
||||
@ -543,6 +550,7 @@ class LDeferredCode : public ZoneObject {
|
||||
Label* entry() { return &entry_; }
|
||||
Label* exit() { return external_exit_ != NULL ? external_exit_ : &exit_; }
|
||||
int instruction_index() const { return instruction_index_; }
|
||||
const LCodeGen::X87Stack& x87_stack() const { return x87_stack_; }
|
||||
|
||||
protected:
|
||||
LCodeGen* codegen() const { return codegen_; }
|
||||
@ -554,6 +562,7 @@ class LDeferredCode : public ZoneObject {
|
||||
Label exit_;
|
||||
Label* external_exit_;
|
||||
int instruction_index_;
|
||||
LCodeGen::X87Stack x87_stack_;
|
||||
};
|
||||
|
||||
} } // namespace v8::internal
|
||||
|
||||
Loading…
Reference in New Issue
Block a user