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1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2013, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_X64. | 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_X64. |
6 #if defined(TARGET_ARCH_X64) | 6 #if defined(TARGET_ARCH_X64) |
7 | 7 |
8 #include "vm/flow_graph_compiler.h" | 8 #include "vm/flow_graph_compiler.h" |
9 | 9 |
10 #include "vm/ast_printer.h" | 10 #include "vm/ast_printer.h" |
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796 bool push_emitted = false; | 796 bool push_emitted = false; |
797 const intptr_t num_non_copied_params = flow_graph().num_non_copied_params(); | 797 const intptr_t num_non_copied_params = flow_graph().num_non_copied_params(); |
798 const intptr_t param_base = kParamEndSlotFromFp + num_non_copied_params; | 798 const intptr_t param_base = kParamEndSlotFromFp + num_non_copied_params; |
799 for (; i < num_non_copied_params; ++i) { | 799 for (; i < num_non_copied_params; ++i) { |
800 if ((*idefs)[i]->IsConstant()) continue; // Common constants | 800 if ((*idefs)[i]->IsConstant()) continue; // Common constants |
801 Location loc = env->LocationAt(i); | 801 Location loc = env->LocationAt(i); |
802 EmitTrySyncMove((param_base - i) * kWordSize, loc, &push_emitted); | 802 EmitTrySyncMove((param_base - i) * kWordSize, loc, &push_emitted); |
803 } | 803 } |
804 | 804 |
805 // Process locals. Skip exception_var and stacktrace_var. | 805 // Process locals. Skip exception_var and stacktrace_var. |
806 CatchEntryInstr* catch_entry = catch_block->next()->AsCatchEntry(); | |
807 intptr_t local_base = kFirstLocalSlotFromFp + num_non_copied_params; | 806 intptr_t local_base = kFirstLocalSlotFromFp + num_non_copied_params; |
808 intptr_t ex_idx = local_base - catch_entry->exception_var().index(); | 807 intptr_t ex_idx = local_base - catch_block->exception_var().index(); |
809 intptr_t st_idx = local_base - catch_entry->stacktrace_var().index(); | 808 intptr_t st_idx = local_base - catch_block->stacktrace_var().index(); |
810 for (; i < flow_graph().variable_count(); ++i) { | 809 for (; i < flow_graph().variable_count(); ++i) { |
811 if (i == ex_idx || i == st_idx) continue; | 810 if (i == ex_idx || i == st_idx) continue; |
812 if ((*idefs)[i]->IsConstant()) continue; | 811 if ((*idefs)[i]->IsConstant()) continue; |
813 Location loc = env->LocationAt(i); | 812 Location loc = env->LocationAt(i); |
814 EmitTrySyncMove((local_base - i) * kWordSize, loc, &push_emitted); | 813 EmitTrySyncMove((local_base - i) * kWordSize, loc, &push_emitted); |
815 // Update safepoint bitmap to indicate that the target location | 814 // Update safepoint bitmap to indicate that the target location |
816 // now contains a pointer. | 815 // now contains a pointer. |
817 instr->locs()->stack_bitmap()->Set(i - num_non_copied_params, true); | 816 instr->locs()->stack_bitmap()->Set(i - num_non_copied_params, true); |
818 } | 817 } |
819 if (push_emitted) { | 818 if (push_emitted) { |
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1890 __ movups(reg, Address(RSP, 0)); | 1889 __ movups(reg, Address(RSP, 0)); |
1891 __ addq(RSP, Immediate(kFpuRegisterSize)); | 1890 __ addq(RSP, Immediate(kFpuRegisterSize)); |
1892 } | 1891 } |
1893 | 1892 |
1894 | 1893 |
1895 #undef __ | 1894 #undef __ |
1896 | 1895 |
1897 } // namespace dart | 1896 } // namespace dart |
1898 | 1897 |
1899 #endif // defined TARGET_ARCH_X64 | 1898 #endif // defined TARGET_ARCH_X64 |
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