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Issue 609843002: Refactor FrameAndConstantPoolScope and ConstantPoolUnavailableScope to be architecture independent (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Eliminate unreachable paths. Created 6 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 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "src/v8.h" 5 #include "src/v8.h"
6 6
7 #if V8_TARGET_ARCH_IA32 7 #if V8_TARGET_ARCH_IA32
8 8
9 #include "src/base/bits.h" 9 #include "src/base/bits.h"
10 #include "src/base/division-by-constant.h" 10 #include "src/base/division-by-constant.h"
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889 Nop(kNoCodeAgeSequenceLength - Assembler::kCallInstructionLength); 889 Nop(kNoCodeAgeSequenceLength - Assembler::kCallInstructionLength);
890 } else { 890 } else {
891 push(ebp); // Caller's frame pointer. 891 push(ebp); // Caller's frame pointer.
892 mov(ebp, esp); 892 mov(ebp, esp);
893 push(esi); // Callee's context. 893 push(esi); // Callee's context.
894 push(edi); // Callee's JS function. 894 push(edi); // Callee's JS function.
895 } 895 }
896 } 896 }
897 897
898 898
899 void MacroAssembler::EnterFrame(StackFrame::Type type,
900 bool load_constant_pool_pointer_reg) {
901 // Out-of-line constant pool not implemented on ia32.
902 UNREACHABLE();
903 }
904
905
899 void MacroAssembler::EnterFrame(StackFrame::Type type) { 906 void MacroAssembler::EnterFrame(StackFrame::Type type) {
900 push(ebp); 907 push(ebp);
901 mov(ebp, esp); 908 mov(ebp, esp);
902 push(esi); 909 push(esi);
903 push(Immediate(Smi::FromInt(type))); 910 push(Immediate(Smi::FromInt(type)));
904 push(Immediate(CodeObject())); 911 push(Immediate(CodeObject()));
905 if (emit_debug_code()) { 912 if (emit_debug_code()) {
906 cmp(Operand(esp, 0), Immediate(isolate()->factory()->undefined_value())); 913 cmp(Operand(esp, 0), Immediate(isolate()->factory()->undefined_value()));
907 Check(not_equal, kCodeObjectNotProperlyPatched); 914 Check(not_equal, kCodeObjectNotProperlyPatched);
908 } 915 }
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3438 if (mag.shift > 0) sar(edx, mag.shift); 3445 if (mag.shift > 0) sar(edx, mag.shift);
3439 mov(eax, dividend); 3446 mov(eax, dividend);
3440 shr(eax, 31); 3447 shr(eax, 31);
3441 add(edx, eax); 3448 add(edx, eax);
3442 } 3449 }
3443 3450
3444 3451
3445 } } // namespace v8::internal 3452 } } // namespace v8::internal
3446 3453
3447 #endif // V8_TARGET_ARCH_IA32 3454 #endif // V8_TARGET_ARCH_IA32
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