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Issue 6257002: Implement DoStackCheck in x64 crankshaft (Closed) Base URL: http://v8.googlecode.com/svn/branches/bleeding_edge/
Patch Set: Created 9 years, 11 months ago
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1 // Copyright 2011 the V8 project authors. All rights reserved. 1 // Copyright 2011 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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1146 DeoptimizeIf(no_condition, instr->environment()); 1146 DeoptimizeIf(no_condition, instr->environment());
1147 } 1147 }
1148 1148
1149 1149
1150 void LCodeGen::DoDeleteProperty(LDeleteProperty* instr) { 1150 void LCodeGen::DoDeleteProperty(LDeleteProperty* instr) {
1151 Abort("Unimplemented: %s", "DoDeleteProperty"); 1151 Abort("Unimplemented: %s", "DoDeleteProperty");
1152 } 1152 }
1153 1153
1154 1154
1155 void LCodeGen::DoStackCheck(LStackCheck* instr) { 1155 void LCodeGen::DoStackCheck(LStackCheck* instr) {
1156 Abort("Unimplemented: %s", "DoStackCheck"); 1156 // Perform stack overflow check.
1157 NearLabel done;
1158 ExternalReference stack_limit = ExternalReference::address_of_stack_limit();
1159 __ CompareRoot(rsp, Heap::kStackLimitRootIndex);
1160 __ j(above_equal, &done);
1161
1162 StackCheckStub stub;
1163 CallCode(stub.GetCode(), RelocInfo::CODE_TARGET, instr);
1164 __ bind(&done);
1157 } 1165 }
1158 1166
1159 1167
1160 void LCodeGen::DoOsrEntry(LOsrEntry* instr) { 1168 void LCodeGen::DoOsrEntry(LOsrEntry* instr) {
1161 Abort("Unimplemented: %s", "DoOsrEntry"); 1169 Abort("Unimplemented: %s", "DoOsrEntry");
1162 } 1170 }
1163 1171
1164 #undef __ 1172 #undef __
1165 1173
1166 } } // namespace v8::internal 1174 } } // namespace v8::internal
1167 1175
1168 #endif // V8_TARGET_ARCH_X64 1176 #endif // V8_TARGET_ARCH_X64
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