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Issue 39973003: Merge bleeding_edge. (Closed) Base URL: https://v8.googlecode.com/svn/branches/experimental/parser
Patch Set: again Created 7 years, 2 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 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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151 Immediate(isolate()->factory()->undefined_value())); 151 Immediate(isolate()->factory()->undefined_value()));
152 __ bind(&ok); 152 __ bind(&ok);
153 } 153 }
154 154
155 // Open a frame scope to indicate that there is a frame on the stack. The 155 // Open a frame scope to indicate that there is a frame on the stack. The
156 // MANUAL indicates that the scope shouldn't actually generate code to set up 156 // MANUAL indicates that the scope shouldn't actually generate code to set up
157 // the frame (that is done below). 157 // the frame (that is done below).
158 FrameScope frame_scope(masm_, StackFrame::MANUAL); 158 FrameScope frame_scope(masm_, StackFrame::MANUAL);
159 159
160 info->set_prologue_offset(masm_->pc_offset()); 160 info->set_prologue_offset(masm_->pc_offset());
161 __ push(ebp); // Caller's frame pointer. 161 __ Prologue(BUILD_FUNCTION_FRAME);
162 __ mov(ebp, esp);
163 __ push(esi); // Callee's context.
164 __ push(edi); // Callee's JS Function.
165 info->AddNoFrameRange(0, masm_->pc_offset()); 162 info->AddNoFrameRange(0, masm_->pc_offset());
166 163
167 { Comment cmnt(masm_, "[ Allocate locals"); 164 { Comment cmnt(masm_, "[ Allocate locals");
168 int locals_count = info->scope()->num_stack_slots(); 165 int locals_count = info->scope()->num_stack_slots();
169 // Generators allocate locals, if any, in context slots. 166 // Generators allocate locals, if any, in context slots.
170 ASSERT(!info->function()->is_generator() || locals_count == 0); 167 ASSERT(!info->function()->is_generator() || locals_count == 0);
171 if (locals_count == 1) { 168 if (locals_count == 1) {
172 __ push(Immediate(isolate()->factory()->undefined_value())); 169 __ push(Immediate(isolate()->factory()->undefined_value()));
173 } else if (locals_count > 1) { 170 } else if (locals_count > 1) {
174 __ mov(eax, Immediate(isolate()->factory()->undefined_value())); 171 __ mov(eax, Immediate(isolate()->factory()->undefined_value()));
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3303 // ( 1.(20 0s)(32 random bits) x 2^20 ) - (1.0 x 2^20)). 3300 // ( 1.(20 0s)(32 random bits) x 2^20 ) - (1.0 x 2^20)).
3304 // This is implemented on both SSE2 and FPU. 3301 // This is implemented on both SSE2 and FPU.
3305 if (CpuFeatures::IsSupported(SSE2)) { 3302 if (CpuFeatures::IsSupported(SSE2)) {
3306 CpuFeatureScope fscope(masm(), SSE2); 3303 CpuFeatureScope fscope(masm(), SSE2);
3307 __ mov(ebx, Immediate(0x49800000)); // 1.0 x 2^20 as single. 3304 __ mov(ebx, Immediate(0x49800000)); // 1.0 x 2^20 as single.
3308 __ movd(xmm1, ebx); 3305 __ movd(xmm1, ebx);
3309 __ movd(xmm0, eax); 3306 __ movd(xmm0, eax);
3310 __ cvtss2sd(xmm1, xmm1); 3307 __ cvtss2sd(xmm1, xmm1);
3311 __ xorps(xmm0, xmm1); 3308 __ xorps(xmm0, xmm1);
3312 __ subsd(xmm0, xmm1); 3309 __ subsd(xmm0, xmm1);
3313 __ movdbl(FieldOperand(edi, HeapNumber::kValueOffset), xmm0); 3310 __ movsd(FieldOperand(edi, HeapNumber::kValueOffset), xmm0);
3314 } else { 3311 } else {
3315 // 0x4130000000000000 is 1.0 x 2^20 as a double. 3312 // 0x4130000000000000 is 1.0 x 2^20 as a double.
3316 __ mov(FieldOperand(edi, HeapNumber::kExponentOffset), 3313 __ mov(FieldOperand(edi, HeapNumber::kExponentOffset),
3317 Immediate(0x41300000)); 3314 Immediate(0x41300000));
3318 __ mov(FieldOperand(edi, HeapNumber::kMantissaOffset), eax); 3315 __ mov(FieldOperand(edi, HeapNumber::kMantissaOffset), eax);
3319 __ fld_d(FieldOperand(edi, HeapNumber::kValueOffset)); 3316 __ fld_d(FieldOperand(edi, HeapNumber::kValueOffset));
3320 __ mov(FieldOperand(edi, HeapNumber::kMantissaOffset), Immediate(0)); 3317 __ mov(FieldOperand(edi, HeapNumber::kMantissaOffset), Immediate(0));
3321 __ fld_d(FieldOperand(edi, HeapNumber::kValueOffset)); 3318 __ fld_d(FieldOperand(edi, HeapNumber::kValueOffset));
3322 __ fsubp(1); 3319 __ fsubp(1);
3323 __ fstp_d(FieldOperand(edi, HeapNumber::kValueOffset)); 3320 __ fstp_d(FieldOperand(edi, HeapNumber::kValueOffset));
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4960 4957
4961 ASSERT_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(), 4958 ASSERT_EQ(isolate->builtins()->OsrAfterStackCheck()->entry(),
4962 Assembler::target_address_at(call_target_address)); 4959 Assembler::target_address_at(call_target_address));
4963 return OSR_AFTER_STACK_CHECK; 4960 return OSR_AFTER_STACK_CHECK;
4964 } 4961 }
4965 4962
4966 4963
4967 } } // namespace v8::internal 4964 } } // namespace v8::internal
4968 4965
4969 #endif // V8_TARGET_ARCH_IA32 4966 #endif // V8_TARGET_ARCH_IA32
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