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 #include "src/v8.h" | 5 #include "src/v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_MIPS | 7 #if V8_TARGET_ARCH_MIPS |
8 | 8 |
9 #include "src/codegen.h" | 9 #include "src/codegen.h" |
10 #include "src/macro-assembler.h" | 10 #include "src/macro-assembler.h" |
(...skipping 1041 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1052 __ And(at, result, Operand(kIsIndirectStringMask)); | 1052 __ And(at, result, Operand(kIsIndirectStringMask)); |
1053 __ Assert(eq, kExternalStringExpectedButNotFound, | 1053 __ Assert(eq, kExternalStringExpectedButNotFound, |
1054 at, Operand(zero_reg)); | 1054 at, Operand(zero_reg)); |
1055 } | 1055 } |
1056 // Rule out short external strings. | 1056 // Rule out short external strings. |
1057 STATIC_ASSERT(kShortExternalStringTag != 0); | 1057 STATIC_ASSERT(kShortExternalStringTag != 0); |
1058 __ And(at, result, Operand(kShortExternalStringMask)); | 1058 __ And(at, result, Operand(kShortExternalStringMask)); |
1059 __ Branch(call_runtime, ne, at, Operand(zero_reg)); | 1059 __ Branch(call_runtime, ne, at, Operand(zero_reg)); |
1060 __ lw(string, FieldMemOperand(string, ExternalString::kResourceDataOffset)); | 1060 __ lw(string, FieldMemOperand(string, ExternalString::kResourceDataOffset)); |
1061 | 1061 |
1062 Label ascii, done; | 1062 Label one_byte, done; |
1063 __ bind(&check_encoding); | 1063 __ bind(&check_encoding); |
1064 STATIC_ASSERT(kTwoByteStringTag == 0); | 1064 STATIC_ASSERT(kTwoByteStringTag == 0); |
1065 __ And(at, result, Operand(kStringEncodingMask)); | 1065 __ And(at, result, Operand(kStringEncodingMask)); |
1066 __ Branch(&ascii, ne, at, Operand(zero_reg)); | 1066 __ Branch(&one_byte, ne, at, Operand(zero_reg)); |
1067 // Two-byte string. | 1067 // Two-byte string. |
1068 __ sll(at, index, 1); | 1068 __ sll(at, index, 1); |
1069 __ Addu(at, string, at); | 1069 __ Addu(at, string, at); |
1070 __ lhu(result, MemOperand(at)); | 1070 __ lhu(result, MemOperand(at)); |
1071 __ jmp(&done); | 1071 __ jmp(&done); |
1072 __ bind(&ascii); | 1072 __ bind(&one_byte); |
1073 // Ascii string. | 1073 // One_byte string. |
1074 __ Addu(at, string, index); | 1074 __ Addu(at, string, index); |
1075 __ lbu(result, MemOperand(at)); | 1075 __ lbu(result, MemOperand(at)); |
1076 __ bind(&done); | 1076 __ bind(&done); |
1077 } | 1077 } |
1078 | 1078 |
1079 | 1079 |
1080 static MemOperand ExpConstant(int index, Register base) { | 1080 static MemOperand ExpConstant(int index, Register base) { |
1081 return MemOperand(base, index * kDoubleSize); | 1081 return MemOperand(base, index * kDoubleSize); |
1082 } | 1082 } |
1083 | 1083 |
(...skipping 159 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
1243 patcher.masm()->nop(); // Pad the empty space. | 1243 patcher.masm()->nop(); // Pad the empty space. |
1244 } | 1244 } |
1245 } | 1245 } |
1246 | 1246 |
1247 | 1247 |
1248 #undef __ | 1248 #undef __ |
1249 | 1249 |
1250 } } // namespace v8::internal | 1250 } } // namespace v8::internal |
1251 | 1251 |
1252 #endif // V8_TARGET_ARCH_MIPS | 1252 #endif // V8_TARGET_ARCH_MIPS |
OLD | NEW |