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Issue 3169049: Remove dependence of code-stubs on codegen, the virtual frame code generator.... (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: '' Created 10 years, 3 months ago
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1 // Copyright 2010 the V8 project authors. All rights reserved. 1 // Copyright 2010 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 27
28 #include "v8.h" 28 #include "v8.h"
29 29
30 #if defined(V8_TARGET_ARCH_IA32) 30 #if defined(V8_TARGET_ARCH_IA32)
31 31
32 #include "codegen-inl.h"
32 #include "bootstrapper.h" 33 #include "bootstrapper.h"
33 #include "code-stubs-ia32.h" 34 #include "code-stubs.h"
34 #include "codegen-inl.h"
35 #include "compiler.h" 35 #include "compiler.h"
36 #include "debug.h" 36 #include "debug.h"
37 #include "ic-inl.h" 37 #include "ic-inl.h"
38 #include "parser.h" 38 #include "parser.h"
39 #include "regexp-macro-assembler.h" 39 #include "regexp-macro-assembler.h"
40 #include "register-allocator-inl.h" 40 #include "register-allocator-inl.h"
41 #include "scopes.h" 41 #include "scopes.h"
42 #include "virtual-frame-inl.h" 42 #include "virtual-frame-inl.h"
43 43
44 namespace v8 { 44 namespace v8 {
(...skipping 1399 matching lines...) Expand 10 before | Expand all | Expand 10 after
1444 1444
1445 TypeInfo result_type = CalculateTypeInfo(operands_type, op, right, left); 1445 TypeInfo result_type = CalculateTypeInfo(operands_type, op, right, left);
1446 1446
1447 Result answer; 1447 Result answer;
1448 if (left_is_non_smi_constant || right_is_non_smi_constant) { 1448 if (left_is_non_smi_constant || right_is_non_smi_constant) {
1449 // Go straight to the slow case, with no smi code. 1449 // Go straight to the slow case, with no smi code.
1450 GenericBinaryOpStub stub(op, 1450 GenericBinaryOpStub stub(op,
1451 overwrite_mode, 1451 overwrite_mode,
1452 NO_SMI_CODE_IN_STUB, 1452 NO_SMI_CODE_IN_STUB,
1453 operands_type); 1453 operands_type);
1454 answer = stub.GenerateCall(masm_, frame_, &left, &right); 1454 answer = GenerateGenericBinaryOpStubCall(&stub, &left, &right);
1455 } else if (right_is_smi_constant) { 1455 } else if (right_is_smi_constant) {
1456 answer = ConstantSmiBinaryOperation(expr, &left, right.handle(), 1456 answer = ConstantSmiBinaryOperation(expr, &left, right.handle(),
1457 false, overwrite_mode); 1457 false, overwrite_mode);
1458 } else if (left_is_smi_constant) { 1458 } else if (left_is_smi_constant) {
1459 answer = ConstantSmiBinaryOperation(expr, &right, left.handle(), 1459 answer = ConstantSmiBinaryOperation(expr, &right, left.handle(),
1460 true, overwrite_mode); 1460 true, overwrite_mode);
1461 } else { 1461 } else {
1462 // Set the flags based on the operation, type and loop nesting level. 1462 // Set the flags based on the operation, type and loop nesting level.
1463 // Bit operations always assume they likely operate on Smis. Still only 1463 // Bit operations always assume they likely operate on Smis. Still only
1464 // generate the inline Smi check code if this operation is part of a loop. 1464 // generate the inline Smi check code if this operation is part of a loop.
1465 // For all other operations only inline the Smi check code for likely smis 1465 // For all other operations only inline the Smi check code for likely smis
1466 // if the operation is part of a loop. 1466 // if the operation is part of a loop.
1467 if (loop_nesting() > 0 && 1467 if (loop_nesting() > 0 &&
1468 (Token::IsBitOp(op) || 1468 (Token::IsBitOp(op) ||
1469 operands_type.IsInteger32() || 1469 operands_type.IsInteger32() ||
1470 expr->type()->IsLikelySmi())) { 1470 expr->type()->IsLikelySmi())) {
1471 answer = LikelySmiBinaryOperation(expr, &left, &right, overwrite_mode); 1471 answer = LikelySmiBinaryOperation(expr, &left, &right, overwrite_mode);
1472 } else { 1472 } else {
1473 GenericBinaryOpStub stub(op, 1473 GenericBinaryOpStub stub(op,
1474 overwrite_mode, 1474 overwrite_mode,
1475 NO_GENERIC_BINARY_FLAGS, 1475 NO_GENERIC_BINARY_FLAGS,
1476 operands_type); 1476 operands_type);
1477 answer = stub.GenerateCall(masm_, frame_, &left, &right); 1477 answer = GenerateGenericBinaryOpStubCall(&stub, &left, &right);
1478 } 1478 }
1479 } 1479 }
1480 1480
1481 answer.set_type_info(result_type); 1481 answer.set_type_info(result_type);
1482 frame_->Push(&answer); 1482 frame_->Push(&answer);
1483 } 1483 }
1484 1484
1485 1485
1486 Result CodeGenerator::GenerateGenericBinaryOpStubCall(GenericBinaryOpStub* stub,
1487 Result* left,
1488 Result* right) {
1489 if (stub->ArgsInRegistersSupported()) {
1490 stub->SetArgsInRegisters();
1491 return frame_->CallStub(stub, left, right);
1492 } else {
1493 frame_->Push(left);
1494 frame_->Push(right);
1495 return frame_->CallStub(stub, 2);
1496 }
1497 }
1498
1499
1486 bool CodeGenerator::FoldConstantSmis(Token::Value op, int left, int right) { 1500 bool CodeGenerator::FoldConstantSmis(Token::Value op, int left, int right) {
1487 Object* answer_object = Heap::undefined_value(); 1501 Object* answer_object = Heap::undefined_value();
1488 switch (op) { 1502 switch (op) {
1489 case Token::ADD: 1503 case Token::ADD:
1490 if (Smi::IsValid(left + right)) { 1504 if (Smi::IsValid(left + right)) {
1491 answer_object = Smi::FromInt(left + right); 1505 answer_object = Smi::FromInt(left + right);
1492 } 1506 }
1493 break; 1507 break;
1494 case Token::SUB: 1508 case Token::SUB:
1495 if (Smi::IsValid(left - right)) { 1509 if (Smi::IsValid(left - right)) {
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9809 break; 9823 break;
9810 } 9824 }
9811 9825
9812 case UNLOADED: 9826 case UNLOADED:
9813 case ILLEGAL: 9827 case ILLEGAL:
9814 UNREACHABLE(); 9828 UNREACHABLE();
9815 } 9829 }
9816 } 9830 }
9817 9831
9818 9832
9819 Result GenericBinaryOpStub::GenerateCall(MacroAssembler* masm,
9820 VirtualFrame* frame,
9821 Result* left,
9822 Result* right) {
9823 if (ArgsInRegistersSupported()) {
9824 SetArgsInRegisters();
9825 return frame->CallStub(this, left, right);
9826 } else {
9827 frame->Push(left);
9828 frame->Push(right);
9829 return frame->CallStub(this, 2);
9830 }
9831 }
9832
9833
9834 #undef __ 9833 #undef __
9835 9834
9836 #define __ masm. 9835 #define __ masm.
9837 9836
9838 MemCopyFunction CreateMemCopyFunction() { 9837 MemCopyFunction CreateMemCopyFunction() {
9839 size_t actual_size; 9838 size_t actual_size;
9840 byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize, 9839 byte* buffer = static_cast<byte*>(OS::Allocate(Assembler::kMinimalBufferSize,
9841 &actual_size, 9840 &actual_size,
9842 true)); 9841 true));
9843 CHECK(buffer); 9842 CHECK(buffer);
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10034 masm.GetCode(&desc); 10033 masm.GetCode(&desc);
10035 // Call the function from C++. 10034 // Call the function from C++.
10036 return FUNCTION_CAST<MemCopyFunction>(buffer); 10035 return FUNCTION_CAST<MemCopyFunction>(buffer);
10037 } 10036 }
10038 10037
10039 #undef __ 10038 #undef __
10040 10039
10041 } } // namespace v8::internal 10040 } } // namespace v8::internal
10042 10041
10043 #endif // V8_TARGET_ARCH_IA32 10042 #endif // V8_TARGET_ARCH_IA32
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