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Diffstat (limited to 'deps/v8/src/ia32/stub-cache-ia32.cc')
-rw-r--r--deps/v8/src/ia32/stub-cache-ia32.cc147
1 files changed, 8 insertions, 139 deletions
diff --git a/deps/v8/src/ia32/stub-cache-ia32.cc b/deps/v8/src/ia32/stub-cache-ia32.cc
index 672d8c7375..828e71a8fb 100644
--- a/deps/v8/src/ia32/stub-cache-ia32.cc
+++ b/deps/v8/src/ia32/stub-cache-ia32.cc
@@ -265,11 +265,7 @@ void StubCompiler::GenerateLoadGlobalFunctionPrototype(MacroAssembler* masm,
void StubCompiler::GenerateDirectLoadGlobalFunctionPrototype(
- MacroAssembler* masm, int index, Register prototype, Label* miss) {
- // Check we're still in the same context.
- __ cmp(Operand(esi, Context::SlotOffset(Context::GLOBAL_INDEX)),
- Top::global());
- __ j(not_equal, miss);
+ MacroAssembler* masm, int index, Register prototype) {
// Get the global function with the given index.
JSFunction* function = JSFunction::cast(Top::global_context()->get(index));
// Load its initial map. The global functions all have initial maps.
@@ -1630,8 +1626,7 @@ Object* CallStubCompiler::CompileStringCharCodeAtCall(
// Check that the maps starting from the prototype haven't changed.
GenerateDirectLoadGlobalFunctionPrototype(masm(),
Context::STRING_FUNCTION_INDEX,
- eax,
- &miss);
+ eax);
ASSERT(object != holder);
CheckPrototypes(JSObject::cast(object->GetPrototype()), eax, holder,
ebx, edx, edi, name, &miss);
@@ -1700,8 +1695,7 @@ Object* CallStubCompiler::CompileStringCharAtCall(Object* object,
// Check that the maps starting from the prototype haven't changed.
GenerateDirectLoadGlobalFunctionPrototype(masm(),
Context::STRING_FUNCTION_INDEX,
- eax,
- &miss);
+ eax);
ASSERT(object != holder);
CheckPrototypes(JSObject::cast(object->GetPrototype()), eax, holder,
ebx, edx, edi, name, &miss);
@@ -1819,131 +1813,6 @@ Object* CallStubCompiler::CompileStringFromCharCodeCall(
}
-Object* CallStubCompiler::CompileMathFloorCall(Object* object,
- JSObject* holder,
- JSGlobalPropertyCell* cell,
- JSFunction* function,
- String* name) {
- // ----------- S t a t e -------------
- // -- ecx : name
- // -- esp[0] : return address
- // -- esp[(argc - n) * 4] : arg[n] (zero-based)
- // -- ...
- // -- esp[(argc + 1) * 4] : receiver
- // -----------------------------------
-
- if (!CpuFeatures::IsSupported(SSE2)) return Heap::undefined_value();
- CpuFeatures::Scope use_sse2(SSE2);
-
- const int argc = arguments().immediate();
-
- // If the object is not a JSObject or we got an unexpected number of
- // arguments, bail out to the regular call.
- if (!object->IsJSObject() || argc != 1) return Heap::undefined_value();
-
- Label miss;
- GenerateNameCheck(name, &miss);
-
- if (cell == NULL) {
- __ mov(edx, Operand(esp, 2 * kPointerSize));
-
- STATIC_ASSERT(kSmiTag == 0);
- __ test(edx, Immediate(kSmiTagMask));
- __ j(zero, &miss);
-
- CheckPrototypes(JSObject::cast(object), edx, holder, ebx, eax, edi, name,
- &miss);
- } else {
- ASSERT(cell->value() == function);
- GenerateGlobalReceiverCheck(JSObject::cast(object), holder, name, &miss);
- GenerateLoadFunctionFromCell(cell, function, &miss);
- }
-
- // Load the (only) argument into eax.
- __ mov(eax, Operand(esp, 1 * kPointerSize));
-
- // Check if the argument is a smi.
- Label smi;
- STATIC_ASSERT(kSmiTag == 0);
- __ test(eax, Immediate(kSmiTagMask));
- __ j(zero, &smi);
-
- // Check if the argument is a heap number and load its value into xmm0.
- Label slow;
- __ CheckMap(eax, Factory::heap_number_map(), &slow, true);
- __ movdbl(xmm0, FieldOperand(eax, HeapNumber::kValueOffset));
-
- // Check if the argument is strictly positive. Note this also
- // discards NaN.
- __ xorpd(xmm1, xmm1);
- __ ucomisd(xmm0, xmm1);
- __ j(below_equal, &slow);
-
- // Do a truncating conversion.
- __ cvttsd2si(eax, Operand(xmm0));
-
- // Check if the result fits into a smi. Note this also checks for
- // 0x80000000 which signals a failed conversion.
- Label wont_fit_into_smi;
- __ test(eax, Immediate(0xc0000000));
- __ j(not_zero, &wont_fit_into_smi);
-
- // Smi tag and return.
- __ SmiTag(eax);
- __ bind(&smi);
- __ ret(2 * kPointerSize);
-
- // Check if the argument is < 2^kMantissaBits.
- Label already_round;
- __ bind(&wont_fit_into_smi);
- __ LoadPowerOf2(xmm1, ebx, HeapNumber::kMantissaBits);
- __ ucomisd(xmm0, xmm1);
- __ j(above_equal, &already_round);
-
- // Save a copy of the argument.
- __ movaps(xmm2, xmm0);
-
- // Compute (argument + 2^kMantissaBits) - 2^kMantissaBits.
- __ addsd(xmm0, xmm1);
- __ subsd(xmm0, xmm1);
-
- // Compare the argument and the tentative result to get the right mask:
- // if xmm2 < xmm0:
- // xmm2 = 1...1
- // else:
- // xmm2 = 0...0
- __ cmpltsd(xmm2, xmm0);
-
- // Subtract 1 if the argument was less than the tentative result.
- __ LoadPowerOf2(xmm1, ebx, 0);
- __ andpd(xmm1, xmm2);
- __ subsd(xmm0, xmm1);
-
- // Return a new heap number.
- __ AllocateHeapNumber(eax, ebx, edx, &slow);
- __ movdbl(FieldOperand(eax, HeapNumber::kValueOffset), xmm0);
- __ ret(2 * kPointerSize);
-
- // Return the argument (when it's an already round heap number).
- __ bind(&already_round);
- __ mov(eax, Operand(esp, 1 * kPointerSize));
- __ ret(2 * kPointerSize);
-
- // Tail call the full function. We do not have to patch the receiver
- // because the function makes no use of it.
- __ bind(&slow);
- __ InvokeFunction(function, arguments(), JUMP_FUNCTION);
-
- __ bind(&miss);
- // ecx: function name.
- Object* obj = GenerateMissBranch();
- if (obj->IsFailure()) return obj;
-
- // Return the generated code.
- return (cell == NULL) ? GetCode(function) : GetCode(NORMAL, name);
-}
-
-
Object* CallStubCompiler::CompileCallConstant(Object* object,
JSObject* holder,
JSFunction* function,
@@ -2025,7 +1894,7 @@ Object* CallStubCompiler::CompileCallConstant(Object* object,
__ j(above_equal, &miss, not_taken);
// Check that the maps starting from the prototype haven't changed.
GenerateDirectLoadGlobalFunctionPrototype(
- masm(), Context::STRING_FUNCTION_INDEX, eax, &miss);
+ masm(), Context::STRING_FUNCTION_INDEX, eax);
CheckPrototypes(JSObject::cast(object->GetPrototype()), eax, holder,
ebx, edx, edi, name, &miss);
}
@@ -2045,7 +1914,7 @@ Object* CallStubCompiler::CompileCallConstant(Object* object,
__ bind(&fast);
// Check that the maps starting from the prototype haven't changed.
GenerateDirectLoadGlobalFunctionPrototype(
- masm(), Context::NUMBER_FUNCTION_INDEX, eax, &miss);
+ masm(), Context::NUMBER_FUNCTION_INDEX, eax);
CheckPrototypes(JSObject::cast(object->GetPrototype()), eax, holder,
ebx, edx, edi, name, &miss);
}
@@ -2066,7 +1935,7 @@ Object* CallStubCompiler::CompileCallConstant(Object* object,
__ bind(&fast);
// Check that the maps starting from the prototype haven't changed.
GenerateDirectLoadGlobalFunctionPrototype(
- masm(), Context::BOOLEAN_FUNCTION_INDEX, eax, &miss);
+ masm(), Context::BOOLEAN_FUNCTION_INDEX, eax);
CheckPrototypes(JSObject::cast(object->GetPrototype()), eax, holder,
ebx, edx, edi, name, &miss);
}
@@ -2605,12 +2474,12 @@ Object* LoadStubCompiler::CompileLoadGlobal(JSObject* object,
__ Check(not_equal, "DontDelete cells can't contain the hole");
}
- __ IncrementCounter(&Counters::named_load_global_stub, 1);
+ __ IncrementCounter(&Counters::named_load_global_inline, 1);
__ mov(eax, ebx);
__ ret(0);
__ bind(&miss);
- __ IncrementCounter(&Counters::named_load_global_stub_miss, 1);
+ __ IncrementCounter(&Counters::named_load_global_inline_miss, 1);
GenerateLoadMiss(masm(), Code::LOAD_IC);
// Return the generated code.
generated by cgit v1.2.3 (git 2.39.1) at 2024-06-12 12:58:16 +0000