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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_X87 7 #if V8_TARGET_ARCH_X87
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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853 Nop(kNoCodeAgeSequenceLength - Assembler::kCallInstructionLength); 853 Nop(kNoCodeAgeSequenceLength - Assembler::kCallInstructionLength);
854 } else { 854 } else {
855 push(ebp); // Caller's frame pointer. 855 push(ebp); // Caller's frame pointer.
856 mov(ebp, esp); 856 mov(ebp, esp);
857 push(esi); // Callee's context. 857 push(esi); // Callee's context.
858 push(edi); // Callee's JS function. 858 push(edi); // Callee's JS function.
859 } 859 }
860 } 860 }
861 861
862 862
863 void MacroAssembler::EnterFrame(StackFrame::Type type,
864 bool load_constant_pool_pointer_reg) {
865 // Out-of-line constant pool not implemented on x87.
866 UNREACHABLE();
867 }
868
869
863 void MacroAssembler::EnterFrame(StackFrame::Type type) { 870 void MacroAssembler::EnterFrame(StackFrame::Type type) {
864 push(ebp); 871 push(ebp);
865 mov(ebp, esp); 872 mov(ebp, esp);
866 push(esi); 873 push(esi);
867 push(Immediate(Smi::FromInt(type))); 874 push(Immediate(Smi::FromInt(type)));
868 push(Immediate(CodeObject())); 875 push(Immediate(CodeObject()));
869 if (emit_debug_code()) { 876 if (emit_debug_code()) {
870 cmp(Operand(esp, 0), Immediate(isolate()->factory()->undefined_value())); 877 cmp(Operand(esp, 0), Immediate(isolate()->factory()->undefined_value()));
871 Check(not_equal, kCodeObjectNotProperlyPatched); 878 Check(not_equal, kCodeObjectNotProperlyPatched);
872 } 879 }
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3346 if (mag.shift > 0) sar(edx, mag.shift); 3353 if (mag.shift > 0) sar(edx, mag.shift);
3347 mov(eax, dividend); 3354 mov(eax, dividend);
3348 shr(eax, 31); 3355 shr(eax, 31);
3349 add(edx, eax); 3356 add(edx, eax);
3350 } 3357 }
3351 3358
3352 3359
3353 } } // namespace v8::internal 3360 } } // namespace v8::internal
3354 3361
3355 #endif // V8_TARGET_ARCH_X87 3362 #endif // V8_TARGET_ARCH_X87
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