| OLD | NEW |
| 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 #ifndef V8_MIPS_MACRO_ASSEMBLER_MIPS_H_ | 5 #ifndef V8_MIPS_MACRO_ASSEMBLER_MIPS_H_ |
| 6 #define V8_MIPS_MACRO_ASSEMBLER_MIPS_H_ | 6 #define V8_MIPS_MACRO_ASSEMBLER_MIPS_H_ |
| 7 | 7 |
| 8 #include "src/assembler.h" | 8 #include "src/assembler.h" |
| 9 #include "src/globals.h" | 9 #include "src/globals.h" |
| 10 #include "src/mips64/assembler-mips64.h" | 10 #include "src/mips64/assembler-mips64.h" |
| (...skipping 698 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 709 | 709 |
| 710 void Ulwc1(FPURegister fd, const MemOperand& rs, Register scratch); | 710 void Ulwc1(FPURegister fd, const MemOperand& rs, Register scratch); |
| 711 void Uswc1(FPURegister fd, const MemOperand& rs, Register scratch); | 711 void Uswc1(FPURegister fd, const MemOperand& rs, Register scratch); |
| 712 | 712 |
| 713 void Uldc1(FPURegister fd, const MemOperand& rs, Register scratch); | 713 void Uldc1(FPURegister fd, const MemOperand& rs, Register scratch); |
| 714 void Usdc1(FPURegister fd, const MemOperand& rs, Register scratch); | 714 void Usdc1(FPURegister fd, const MemOperand& rs, Register scratch); |
| 715 | 715 |
| 716 void LoadWordPair(Register rd, const MemOperand& rs, Register scratch = at); | 716 void LoadWordPair(Register rd, const MemOperand& rs, Register scratch = at); |
| 717 void StoreWordPair(Register rd, const MemOperand& rs, Register scratch = at); | 717 void StoreWordPair(Register rd, const MemOperand& rs, Register scratch = at); |
| 718 | 718 |
| 719 void Lb(Register rd, const MemOperand& rs); |
| 720 void Lbu(Register rd, const MemOperand& rs); |
| 721 void Sb(Register rd, const MemOperand& rs); |
| 722 |
| 723 void Lh(Register rd, const MemOperand& rs); |
| 724 void Lhu(Register rd, const MemOperand& rs); |
| 725 void Sh(Register rd, const MemOperand& rs); |
| 726 |
| 727 void Lw(Register rd, const MemOperand& rs); |
| 728 void Lwu(Register rd, const MemOperand& rs); |
| 729 void Sw(Register rd, const MemOperand& rs); |
| 730 |
| 731 void Ld(Register rd, const MemOperand& rs); |
| 732 void Sd(Register rd, const MemOperand& rs); |
| 733 |
| 734 void Lwc1(FPURegister fd, const MemOperand& src); |
| 735 void Swc1(FPURegister fs, const MemOperand& dst); |
| 736 |
| 737 void Ldc1(FPURegister fd, const MemOperand& src); |
| 738 void Sdc1(FPURegister fs, const MemOperand& dst); |
| 739 |
| 719 // Load int32 in the rd register. | 740 // Load int32 in the rd register. |
| 720 void li(Register rd, Operand j, LiFlags mode = OPTIMIZE_SIZE); | 741 void li(Register rd, Operand j, LiFlags mode = OPTIMIZE_SIZE); |
| 721 inline bool LiLower32BitHelper(Register rd, Operand j); | 742 inline bool LiLower32BitHelper(Register rd, Operand j); |
| 722 inline void li(Register rd, int64_t j, LiFlags mode = OPTIMIZE_SIZE) { | 743 inline void li(Register rd, int64_t j, LiFlags mode = OPTIMIZE_SIZE) { |
| 723 li(rd, Operand(j), mode); | 744 li(rd, Operand(j), mode); |
| 724 } | 745 } |
| 725 void li(Register dst, Handle<Object> value, LiFlags mode = OPTIMIZE_SIZE); | 746 void li(Register dst, Handle<Object> value, LiFlags mode = OPTIMIZE_SIZE); |
| 726 | 747 |
| 727 // Push multiple registers on the stack. | 748 // Push multiple registers on the stack. |
| 728 // Registers are saved in numerical order, with higher numbered registers | 749 // Registers are saved in numerical order, with higher numbered registers |
| 729 // saved in higher memory addresses. | 750 // saved in higher memory addresses. |
| 730 void MultiPush(RegList regs); | 751 void MultiPush(RegList regs); |
| 731 void MultiPushReversed(RegList regs); | 752 void MultiPushReversed(RegList regs); |
| 732 | 753 |
| 733 void MultiPushFPU(RegList regs); | 754 void MultiPushFPU(RegList regs); |
| 734 void MultiPushReversedFPU(RegList regs); | 755 void MultiPushReversedFPU(RegList regs); |
| 735 | 756 |
| 736 void push(Register src) { | 757 void push(Register src) { |
| 737 Daddu(sp, sp, Operand(-kPointerSize)); | 758 Daddu(sp, sp, Operand(-kPointerSize)); |
| 738 sd(src, MemOperand(sp, 0)); | 759 Sd(src, MemOperand(sp, 0)); |
| 739 } | 760 } |
| 740 void Push(Register src) { push(src); } | 761 void Push(Register src) { push(src); } |
| 741 | 762 |
| 742 // Push a handle. | 763 // Push a handle. |
| 743 void Push(Handle<Object> handle); | 764 void Push(Handle<Object> handle); |
| 744 void Push(Smi* smi) { Push(Handle<Smi>(smi, isolate())); } | 765 void Push(Smi* smi) { Push(Handle<Smi>(smi, isolate())); } |
| 745 | 766 |
| 746 // Push two registers. Pushes leftmost register first (to highest address). | 767 // Push two registers. Pushes leftmost register first (to highest address). |
| 747 void Push(Register src1, Register src2) { | 768 void Push(Register src1, Register src2) { |
| 748 Dsubu(sp, sp, Operand(2 * kPointerSize)); | 769 Dsubu(sp, sp, Operand(2 * kPointerSize)); |
| 749 sd(src1, MemOperand(sp, 1 * kPointerSize)); | 770 Sd(src1, MemOperand(sp, 1 * kPointerSize)); |
| 750 sd(src2, MemOperand(sp, 0 * kPointerSize)); | 771 Sd(src2, MemOperand(sp, 0 * kPointerSize)); |
| 751 } | 772 } |
| 752 | 773 |
| 753 // Push three registers. Pushes leftmost register first (to highest address). | 774 // Push three registers. Pushes leftmost register first (to highest address). |
| 754 void Push(Register src1, Register src2, Register src3) { | 775 void Push(Register src1, Register src2, Register src3) { |
| 755 Dsubu(sp, sp, Operand(3 * kPointerSize)); | 776 Dsubu(sp, sp, Operand(3 * kPointerSize)); |
| 756 sd(src1, MemOperand(sp, 2 * kPointerSize)); | 777 Sd(src1, MemOperand(sp, 2 * kPointerSize)); |
| 757 sd(src2, MemOperand(sp, 1 * kPointerSize)); | 778 Sd(src2, MemOperand(sp, 1 * kPointerSize)); |
| 758 sd(src3, MemOperand(sp, 0 * kPointerSize)); | 779 Sd(src3, MemOperand(sp, 0 * kPointerSize)); |
| 759 } | 780 } |
| 760 | 781 |
| 761 // Push four registers. Pushes leftmost register first (to highest address). | 782 // Push four registers. Pushes leftmost register first (to highest address). |
| 762 void Push(Register src1, Register src2, Register src3, Register src4) { | 783 void Push(Register src1, Register src2, Register src3, Register src4) { |
| 763 Dsubu(sp, sp, Operand(4 * kPointerSize)); | 784 Dsubu(sp, sp, Operand(4 * kPointerSize)); |
| 764 sd(src1, MemOperand(sp, 3 * kPointerSize)); | 785 Sd(src1, MemOperand(sp, 3 * kPointerSize)); |
| 765 sd(src2, MemOperand(sp, 2 * kPointerSize)); | 786 Sd(src2, MemOperand(sp, 2 * kPointerSize)); |
| 766 sd(src3, MemOperand(sp, 1 * kPointerSize)); | 787 Sd(src3, MemOperand(sp, 1 * kPointerSize)); |
| 767 sd(src4, MemOperand(sp, 0 * kPointerSize)); | 788 Sd(src4, MemOperand(sp, 0 * kPointerSize)); |
| 768 } | 789 } |
| 769 | 790 |
| 770 // Push five registers. Pushes leftmost register first (to highest address). | 791 // Push five registers. Pushes leftmost register first (to highest address). |
| 771 void Push(Register src1, Register src2, Register src3, Register src4, | 792 void Push(Register src1, Register src2, Register src3, Register src4, |
| 772 Register src5) { | 793 Register src5) { |
| 773 Dsubu(sp, sp, Operand(5 * kPointerSize)); | 794 Dsubu(sp, sp, Operand(5 * kPointerSize)); |
| 774 sd(src1, MemOperand(sp, 4 * kPointerSize)); | 795 Sd(src1, MemOperand(sp, 4 * kPointerSize)); |
| 775 sd(src2, MemOperand(sp, 3 * kPointerSize)); | 796 Sd(src2, MemOperand(sp, 3 * kPointerSize)); |
| 776 sd(src3, MemOperand(sp, 2 * kPointerSize)); | 797 Sd(src3, MemOperand(sp, 2 * kPointerSize)); |
| 777 sd(src4, MemOperand(sp, 1 * kPointerSize)); | 798 Sd(src4, MemOperand(sp, 1 * kPointerSize)); |
| 778 sd(src5, MemOperand(sp, 0 * kPointerSize)); | 799 Sd(src5, MemOperand(sp, 0 * kPointerSize)); |
| 779 } | 800 } |
| 780 | 801 |
| 781 void Push(Register src, Condition cond, Register tst1, Register tst2) { | 802 void Push(Register src, Condition cond, Register tst1, Register tst2) { |
| 782 // Since we don't have conditional execution we use a Branch. | 803 // Since we don't have conditional execution we use a Branch. |
| 783 Branch(3, cond, tst1, Operand(tst2)); | 804 Branch(3, cond, tst1, Operand(tst2)); |
| 784 Dsubu(sp, sp, Operand(kPointerSize)); | 805 Dsubu(sp, sp, Operand(kPointerSize)); |
| 785 sd(src, MemOperand(sp, 0)); | 806 Sd(src, MemOperand(sp, 0)); |
| 786 } | 807 } |
| 787 | 808 |
| 788 void PushRegisterAsTwoSmis(Register src, Register scratch = at); | 809 void PushRegisterAsTwoSmis(Register src, Register scratch = at); |
| 789 void PopRegisterAsTwoSmis(Register dst, Register scratch = at); | 810 void PopRegisterAsTwoSmis(Register dst, Register scratch = at); |
| 790 | 811 |
| 791 // Pops multiple values from the stack and load them in the | 812 // Pops multiple values from the stack and load them in the |
| 792 // registers specified in regs. Pop order is the opposite as in MultiPush. | 813 // registers specified in regs. Pop order is the opposite as in MultiPush. |
| 793 void MultiPop(RegList regs); | 814 void MultiPop(RegList regs); |
| 794 void MultiPopReversed(RegList regs); | 815 void MultiPopReversed(RegList regs); |
| 795 | 816 |
| 796 void MultiPopFPU(RegList regs); | 817 void MultiPopFPU(RegList regs); |
| 797 void MultiPopReversedFPU(RegList regs); | 818 void MultiPopReversedFPU(RegList regs); |
| 798 | 819 |
| 799 void pop(Register dst) { | 820 void pop(Register dst) { |
| 800 ld(dst, MemOperand(sp, 0)); | 821 Ld(dst, MemOperand(sp, 0)); |
| 801 Daddu(sp, sp, Operand(kPointerSize)); | 822 Daddu(sp, sp, Operand(kPointerSize)); |
| 802 } | 823 } |
| 803 void Pop(Register dst) { pop(dst); } | 824 void Pop(Register dst) { pop(dst); } |
| 804 | 825 |
| 805 // Pop two registers. Pops rightmost register first (from lower address). | 826 // Pop two registers. Pops rightmost register first (from lower address). |
| 806 void Pop(Register src1, Register src2) { | 827 void Pop(Register src1, Register src2) { |
| 807 DCHECK(!src1.is(src2)); | 828 DCHECK(!src1.is(src2)); |
| 808 ld(src2, MemOperand(sp, 0 * kPointerSize)); | 829 Ld(src2, MemOperand(sp, 0 * kPointerSize)); |
| 809 ld(src1, MemOperand(sp, 1 * kPointerSize)); | 830 Ld(src1, MemOperand(sp, 1 * kPointerSize)); |
| 810 Daddu(sp, sp, 2 * kPointerSize); | 831 Daddu(sp, sp, 2 * kPointerSize); |
| 811 } | 832 } |
| 812 | 833 |
| 813 // Pop three registers. Pops rightmost register first (from lower address). | 834 // Pop three registers. Pops rightmost register first (from lower address). |
| 814 void Pop(Register src1, Register src2, Register src3) { | 835 void Pop(Register src1, Register src2, Register src3) { |
| 815 ld(src3, MemOperand(sp, 0 * kPointerSize)); | 836 Ld(src3, MemOperand(sp, 0 * kPointerSize)); |
| 816 ld(src2, MemOperand(sp, 1 * kPointerSize)); | 837 Ld(src2, MemOperand(sp, 1 * kPointerSize)); |
| 817 ld(src1, MemOperand(sp, 2 * kPointerSize)); | 838 Ld(src1, MemOperand(sp, 2 * kPointerSize)); |
| 818 Daddu(sp, sp, 3 * kPointerSize); | 839 Daddu(sp, sp, 3 * kPointerSize); |
| 819 } | 840 } |
| 820 | 841 |
| 821 void Pop(uint32_t count = 1) { | 842 void Pop(uint32_t count = 1) { |
| 822 Daddu(sp, sp, Operand(count * kPointerSize)); | 843 Daddu(sp, sp, Operand(count * kPointerSize)); |
| 823 } | 844 } |
| 824 | 845 |
| 825 // Push a fixed frame, consisting of ra, fp. | 846 // Push a fixed frame, consisting of ra, fp. |
| 826 void PushCommonFrame(Register marker_reg = no_reg); | 847 void PushCommonFrame(Register marker_reg = no_reg); |
| 827 | 848 |
| (...skipping 328 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 1156 // Machine code version of Map::GetConstructor(). | 1177 // Machine code version of Map::GetConstructor(). |
| 1157 // |temp| holds |result|'s map when done, and |temp2| its instance type. | 1178 // |temp| holds |result|'s map when done, and |temp2| its instance type. |
| 1158 void GetMapConstructor(Register result, Register map, Register temp, | 1179 void GetMapConstructor(Register result, Register map, Register temp, |
| 1159 Register temp2); | 1180 Register temp2); |
| 1160 | 1181 |
| 1161 void GetObjectType(Register function, | 1182 void GetObjectType(Register function, |
| 1162 Register map, | 1183 Register map, |
| 1163 Register type_reg); | 1184 Register type_reg); |
| 1164 | 1185 |
| 1165 void GetInstanceType(Register object_map, Register object_instance_type) { | 1186 void GetInstanceType(Register object_map, Register object_instance_type) { |
| 1166 lbu(object_instance_type, | 1187 Lbu(object_instance_type, |
| 1167 FieldMemOperand(object_map, Map::kInstanceTypeOffset)); | 1188 FieldMemOperand(object_map, Map::kInstanceTypeOffset)); |
| 1168 } | 1189 } |
| 1169 | 1190 |
| 1170 // Compare an object's map with the specified map and its transitioned | 1191 // Compare an object's map with the specified map and its transitioned |
| 1171 // elements maps if mode is ALLOW_ELEMENT_TRANSITION_MAPS. Jumps to | 1192 // elements maps if mode is ALLOW_ELEMENT_TRANSITION_MAPS. Jumps to |
| 1172 // "branch_to" if the result of the comparison is "cond". If multiple map | 1193 // "branch_to" if the result of the comparison is "cond". If multiple map |
| 1173 // compares are required, the compare sequences branches to early_success. | 1194 // compares are required, the compare sequences branches to early_success. |
| 1174 void CompareMapAndBranch(Register obj, | 1195 void CompareMapAndBranch(Register obj, |
| 1175 Register scratch, | 1196 Register scratch, |
| 1176 Handle<Map> map, | 1197 Handle<Map> map, |
| (...skipping 36 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 1213 // Load the value of the weak cell in the value register. Branch to the | 1234 // Load the value of the weak cell in the value register. Branch to the |
| 1214 // given miss label is the weak cell was cleared. | 1235 // given miss label is the weak cell was cleared. |
| 1215 void LoadWeakValue(Register value, Handle<WeakCell> cell, Label* miss); | 1236 void LoadWeakValue(Register value, Handle<WeakCell> cell, Label* miss); |
| 1216 | 1237 |
| 1217 // Load and check the instance type of an object for being a string. | 1238 // Load and check the instance type of an object for being a string. |
| 1218 // Loads the type into the second argument register. | 1239 // Loads the type into the second argument register. |
| 1219 // Returns a condition that will be enabled if the object was a string. | 1240 // Returns a condition that will be enabled if the object was a string. |
| 1220 Condition IsObjectStringType(Register obj, | 1241 Condition IsObjectStringType(Register obj, |
| 1221 Register type, | 1242 Register type, |
| 1222 Register result) { | 1243 Register result) { |
| 1223 ld(type, FieldMemOperand(obj, HeapObject::kMapOffset)); | 1244 Ld(type, FieldMemOperand(obj, HeapObject::kMapOffset)); |
| 1224 lbu(type, FieldMemOperand(type, Map::kInstanceTypeOffset)); | 1245 Lbu(type, FieldMemOperand(type, Map::kInstanceTypeOffset)); |
| 1225 And(type, type, Operand(kIsNotStringMask)); | 1246 And(type, type, Operand(kIsNotStringMask)); |
| 1226 DCHECK_EQ(0u, kStringTag); | 1247 DCHECK_EQ(0u, kStringTag); |
| 1227 return eq; | 1248 return eq; |
| 1228 } | 1249 } |
| 1229 | 1250 |
| 1230 // Get the number of least significant bits from a register. | 1251 // Get the number of least significant bits from a register. |
| 1231 void GetLeastBitsFromSmi(Register dst, Register src, int num_least_bits); | 1252 void GetLeastBitsFromSmi(Register dst, Register src, int num_least_bits); |
| 1232 void GetLeastBitsFromInt32(Register dst, Register src, int mun_least_bits); | 1253 void GetLeastBitsFromInt32(Register dst, Register src, int mun_least_bits); |
| 1233 | 1254 |
| 1234 // Load the value of a number object into a FPU double register. If the | 1255 // Load the value of a number object into a FPU double register. If the |
| (...skipping 223 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 1458 // Needs a scratch register to do some arithmetic. This register will be | 1479 // Needs a scratch register to do some arithmetic. This register will be |
| 1459 // trashed. | 1480 // trashed. |
| 1460 void PrepareCallCFunction(int num_reg_arguments, | 1481 void PrepareCallCFunction(int num_reg_arguments, |
| 1461 int num_double_registers, | 1482 int num_double_registers, |
| 1462 Register scratch); | 1483 Register scratch); |
| 1463 void PrepareCallCFunction(int num_reg_arguments, | 1484 void PrepareCallCFunction(int num_reg_arguments, |
| 1464 Register scratch); | 1485 Register scratch); |
| 1465 | 1486 |
| 1466 // Arguments 1-4 are placed in registers a0 thru a3 respectively. | 1487 // Arguments 1-4 are placed in registers a0 thru a3 respectively. |
| 1467 // Arguments 5..n are stored to stack using following: | 1488 // Arguments 5..n are stored to stack using following: |
| 1468 // sw(a4, CFunctionArgumentOperand(5)); | 1489 // Sw(a4, CFunctionArgumentOperand(5)); |
| 1469 | 1490 |
| 1470 // Calls a C function and cleans up the space for arguments allocated | 1491 // Calls a C function and cleans up the space for arguments allocated |
| 1471 // by PrepareCallCFunction. The called function is not allowed to trigger a | 1492 // by PrepareCallCFunction. The called function is not allowed to trigger a |
| 1472 // garbage collection, since that might move the code and invalidate the | 1493 // garbage collection, since that might move the code and invalidate the |
| 1473 // return address (unless this is somehow accounted for by the called | 1494 // return address (unless this is somehow accounted for by the called |
| 1474 // function). | 1495 // function). |
| 1475 void CallCFunction(ExternalReference function, int num_arguments); | 1496 void CallCFunction(ExternalReference function, int num_arguments); |
| 1476 void CallCFunction(Register function, int num_arguments); | 1497 void CallCFunction(Register function, int num_arguments); |
| 1477 void CallCFunction(ExternalReference function, | 1498 void CallCFunction(ExternalReference function, |
| 1478 int num_reg_arguments, | 1499 int num_reg_arguments, |
| (...skipping 375 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 1854 // the position of the first bit. Leaves addr_reg unchanged. | 1875 // the position of the first bit. Leaves addr_reg unchanged. |
| 1855 inline void GetMarkBits(Register addr_reg, | 1876 inline void GetMarkBits(Register addr_reg, |
| 1856 Register bitmap_reg, | 1877 Register bitmap_reg, |
| 1857 Register mask_reg); | 1878 Register mask_reg); |
| 1858 | 1879 |
| 1859 // Compute memory operands for safepoint stack slots. | 1880 // Compute memory operands for safepoint stack slots. |
| 1860 static int SafepointRegisterStackIndex(int reg_code); | 1881 static int SafepointRegisterStackIndex(int reg_code); |
| 1861 MemOperand SafepointRegisterSlot(Register reg); | 1882 MemOperand SafepointRegisterSlot(Register reg); |
| 1862 MemOperand SafepointRegistersAndDoublesSlot(Register reg); | 1883 MemOperand SafepointRegistersAndDoublesSlot(Register reg); |
| 1863 | 1884 |
| 1885 // Helpers. |
| 1886 void LoadRegPlusOffsetToAt(const MemOperand& src); |
| 1887 int32_t LoadRegPlusUpperOffsetPartToAt(const MemOperand& src); |
| 1888 |
| 1864 bool generating_stub_; | 1889 bool generating_stub_; |
| 1865 bool has_frame_; | 1890 bool has_frame_; |
| 1866 bool has_double_zero_reg_set_; | 1891 bool has_double_zero_reg_set_; |
| 1867 Isolate* isolate_; | 1892 Isolate* isolate_; |
| 1868 // This handle will be patched with the code object on installation. | 1893 // This handle will be patched with the code object on installation. |
| 1869 Handle<Object> code_object_; | 1894 Handle<Object> code_object_; |
| 1870 | 1895 |
| 1871 // Needs access to SafepointRegisterStackIndex for compiled frame | 1896 // Needs access to SafepointRegisterStackIndex for compiled frame |
| 1872 // traversal. | 1897 // traversal. |
| 1873 friend class StandardFrame; | 1898 friend class StandardFrame; |
| (...skipping 43 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 1917 // addresses. | 1942 // addresses. |
| 1918 if (kArchVariant >= kMips64r6) { | 1943 if (kArchVariant >= kMips64r6) { |
| 1919 BlockTrampolinePoolFor(static_cast<int>(case_count) * 2 + | 1944 BlockTrampolinePoolFor(static_cast<int>(case_count) * 2 + |
| 1920 kSwitchTablePrologueSize); | 1945 kSwitchTablePrologueSize); |
| 1921 // Opposite of Align(8) as we have odd number of instructions in this case. | 1946 // Opposite of Align(8) as we have odd number of instructions in this case. |
| 1922 if ((pc_offset() & 7) == 0) { | 1947 if ((pc_offset() & 7) == 0) { |
| 1923 nop(); | 1948 nop(); |
| 1924 } | 1949 } |
| 1925 addiupc(at, 5); | 1950 addiupc(at, 5); |
| 1926 Dlsa(at, at, index, kPointerSizeLog2); | 1951 Dlsa(at, at, index, kPointerSizeLog2); |
| 1927 ld(at, MemOperand(at)); | 1952 Ld(at, MemOperand(at)); |
| 1928 } else { | 1953 } else { |
| 1929 Label here; | 1954 Label here; |
| 1930 BlockTrampolinePoolFor(static_cast<int>(case_count) * 2 + | 1955 BlockTrampolinePoolFor(static_cast<int>(case_count) * 2 + |
| 1931 kSwitchTablePrologueSize); | 1956 kSwitchTablePrologueSize); |
| 1932 Align(8); | 1957 Align(8); |
| 1933 push(ra); | 1958 push(ra); |
| 1934 bal(&here); | 1959 bal(&here); |
| 1935 dsll(at, index, kPointerSizeLog2); // Branch delay slot. | 1960 dsll(at, index, kPointerSizeLog2); // Branch delay slot. |
| 1936 bind(&here); | 1961 bind(&here); |
| 1937 daddu(at, at, ra); | 1962 daddu(at, at, ra); |
| 1938 pop(ra); | 1963 pop(ra); |
| 1939 ld(at, MemOperand(at, 6 * v8::internal::Assembler::kInstrSize)); | 1964 Ld(at, MemOperand(at, 6 * v8::internal::Assembler::kInstrSize)); |
| 1940 } | 1965 } |
| 1941 jr(at); | 1966 jr(at); |
| 1942 nop(); // Branch delay slot nop. | 1967 nop(); // Branch delay slot nop. |
| 1943 for (size_t index = 0; index < case_count; ++index) { | 1968 for (size_t index = 0; index < case_count; ++index) { |
| 1944 dd(GetLabelFunction(index)); | 1969 dd(GetLabelFunction(index)); |
| 1945 } | 1970 } |
| 1946 } | 1971 } |
| 1947 | 1972 |
| 1948 #define ACCESS_MASM(masm) masm-> | 1973 #define ACCESS_MASM(masm) masm-> |
| 1949 | 1974 |
| 1950 } // namespace internal | 1975 } // namespace internal |
| 1951 } // namespace v8 | 1976 } // namespace v8 |
| 1952 | 1977 |
| 1953 #endif // V8_MIPS_MACRO_ASSEMBLER_MIPS_H_ | 1978 #endif // V8_MIPS_MACRO_ASSEMBLER_MIPS_H_ |
| OLD | NEW |