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Issue 18749004: Rename AllocationSite::payload to AllocationSite::transition_info (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Addressed comments Created 7 years, 5 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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6966 __ CompareRoot(r2, Heap::kUndefinedValueRootIndex); 6966 __ CompareRoot(r2, Heap::kUndefinedValueRootIndex);
6967 __ b(eq, &normal_sequence); 6967 __ b(eq, &normal_sequence);
6968 __ ldr(r5, FieldMemOperand(r2, Cell::kValueOffset)); 6968 __ ldr(r5, FieldMemOperand(r2, Cell::kValueOffset));
6969 __ ldr(r5, FieldMemOperand(r5, 0)); 6969 __ ldr(r5, FieldMemOperand(r5, 0));
6970 __ CompareRoot(r5, Heap::kAllocationSiteMapRootIndex); 6970 __ CompareRoot(r5, Heap::kAllocationSiteMapRootIndex);
6971 __ b(ne, &normal_sequence); 6971 __ b(ne, &normal_sequence);
6972 6972
6973 // Save the resulting elements kind in type info 6973 // Save the resulting elements kind in type info
6974 __ SmiTag(r3); 6974 __ SmiTag(r3);
6975 __ ldr(r5, FieldMemOperand(r2, Cell::kValueOffset)); 6975 __ ldr(r5, FieldMemOperand(r2, Cell::kValueOffset));
6976 __ str(r3, FieldMemOperand(r5, AllocationSite::kPayloadOffset)); 6976 __ str(r3, FieldMemOperand(r5, AllocationSite::kTransitionInfoOffset));
6977 __ SmiUntag(r3); 6977 __ SmiUntag(r3);
6978 6978
6979 __ bind(&normal_sequence); 6979 __ bind(&normal_sequence);
6980 int last_index = GetSequenceIndexFromFastElementsKind( 6980 int last_index = GetSequenceIndexFromFastElementsKind(
6981 TERMINAL_FAST_ELEMENTS_KIND); 6981 TERMINAL_FAST_ELEMENTS_KIND);
6982 for (int i = 0; i <= last_index; ++i) { 6982 for (int i = 0; i <= last_index; ++i) {
6983 Label next; 6983 Label next;
6984 ElementsKind kind = GetFastElementsKindFromSequenceIndex(i); 6984 ElementsKind kind = GetFastElementsKindFromSequenceIndex(i);
6985 __ cmp(r3, Operand(kind)); 6985 __ cmp(r3, Operand(kind));
6986 __ b(ne, &next); 6986 __ b(ne, &next);
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7074 7074
7075 // The type cell may have undefined in its value. 7075 // The type cell may have undefined in its value.
7076 __ CompareRoot(r3, Heap::kUndefinedValueRootIndex); 7076 __ CompareRoot(r3, Heap::kUndefinedValueRootIndex);
7077 __ b(eq, &no_info); 7077 __ b(eq, &no_info);
7078 7078
7079 // The type cell has either an AllocationSite or a JSFunction 7079 // The type cell has either an AllocationSite or a JSFunction
7080 __ ldr(r4, FieldMemOperand(r3, 0)); 7080 __ ldr(r4, FieldMemOperand(r3, 0));
7081 __ CompareRoot(r4, Heap::kAllocationSiteMapRootIndex); 7081 __ CompareRoot(r4, Heap::kAllocationSiteMapRootIndex);
7082 __ b(ne, &no_info); 7082 __ b(ne, &no_info);
7083 7083
7084 __ ldr(r3, FieldMemOperand(r3, AllocationSite::kPayloadOffset)); 7084 __ ldr(r3, FieldMemOperand(r3, AllocationSite::kTransitionInfoOffset));
7085 __ SmiUntag(r3); 7085 __ SmiUntag(r3);
7086 __ jmp(&switch_ready); 7086 __ jmp(&switch_ready);
7087 __ bind(&no_info); 7087 __ bind(&no_info);
7088 __ mov(r3, Operand(GetInitialFastElementsKind())); 7088 __ mov(r3, Operand(GetInitialFastElementsKind()));
7089 __ bind(&switch_ready); 7089 __ bind(&switch_ready);
7090 7090
7091 if (argument_count_ == ANY) { 7091 if (argument_count_ == ANY) {
7092 Label not_zero_case, not_one_case; 7092 Label not_zero_case, not_one_case;
7093 __ tst(r0, r0); 7093 __ tst(r0, r0);
7094 __ b(ne, &not_zero_case); 7094 __ b(ne, &not_zero_case);
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7196 __ bind(&fast_elements_case); 7196 __ bind(&fast_elements_case);
7197 GenerateCase(masm, FAST_ELEMENTS); 7197 GenerateCase(masm, FAST_ELEMENTS);
7198 } 7198 }
7199 7199
7200 7200
7201 #undef __ 7201 #undef __
7202 7202
7203 } } // namespace v8::internal 7203 } } // namespace v8::internal
7204 7204
7205 #endif // V8_TARGET_ARCH_ARM 7205 #endif // V8_TARGET_ARCH_ARM
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