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1 // Copyright (c) 2014, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2014, 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_ARM64. | 5 #include "vm/globals.h" // Needed here to get TARGET_ARCH_ARM64. |
6 #if defined(TARGET_ARCH_ARM64) | 6 #if defined(TARGET_ARCH_ARM64) |
7 | 7 |
8 #include "vm/intrinsifier.h" | 8 #include "vm/intrinsifier.h" |
9 | 9 |
10 #include "vm/assembler.h" | 10 #include "vm/assembler.h" |
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2277 void Intrinsifier::OneByteString_equality(Assembler* assembler) { | 2277 void Intrinsifier::OneByteString_equality(Assembler* assembler) { |
2278 StringEquality(assembler, kOneByteStringCid); | 2278 StringEquality(assembler, kOneByteStringCid); |
2279 } | 2279 } |
2280 | 2280 |
2281 | 2281 |
2282 void Intrinsifier::TwoByteString_equality(Assembler* assembler) { | 2282 void Intrinsifier::TwoByteString_equality(Assembler* assembler) { |
2283 StringEquality(assembler, kTwoByteStringCid); | 2283 StringEquality(assembler, kTwoByteStringCid); |
2284 } | 2284 } |
2285 | 2285 |
2286 | 2286 |
2287 void Intrinsifier::RegExp_ExecuteMatch(Assembler* assembler) { | 2287 void Intrinsifier::IntrinsifyRegExpExecuteMatch(Assembler* assembler, |
| 2288 bool sticky) { |
2288 if (FLAG_interpret_irregexp) return; | 2289 if (FLAG_interpret_irregexp) return; |
2289 | 2290 |
2290 static const intptr_t kRegExpParamOffset = 2 * kWordSize; | 2291 static const intptr_t kRegExpParamOffset = 2 * kWordSize; |
2291 static const intptr_t kStringParamOffset = 1 * kWordSize; | 2292 static const intptr_t kStringParamOffset = 1 * kWordSize; |
2292 // start_index smi is located at offset 0. | 2293 // start_index smi is located at offset 0. |
2293 | 2294 |
2294 // Incoming registers: | 2295 // Incoming registers: |
2295 // R0: Function. (Will be reloaded with the specialized matcher function.) | 2296 // R0: Function. (Will be reloaded with the specialized matcher function.) |
2296 // R4: Arguments descriptor. (Will be preserved.) | 2297 // R4: Arguments descriptor. (Will be preserved.) |
2297 // R5: Unknown. (Must be GC safe on tail call.) | 2298 // R5: Unknown. (Must be GC safe on tail call.) |
2298 | 2299 |
2299 // Load the specialized function pointer into R0. Leverage the fact the | 2300 // Load the specialized function pointer into R0. Leverage the fact the |
2300 // string CIDs as well as stored function pointers are in sequence. | 2301 // string CIDs as well as stored function pointers are in sequence. |
2301 __ ldr(R2, Address(SP, kRegExpParamOffset)); | 2302 __ ldr(R2, Address(SP, kRegExpParamOffset)); |
2302 __ ldr(R1, Address(SP, kStringParamOffset)); | 2303 __ ldr(R1, Address(SP, kStringParamOffset)); |
2303 __ LoadClassId(R1, R1); | 2304 __ LoadClassId(R1, R1); |
2304 __ AddImmediate(R1, R1, -kOneByteStringCid); | 2305 __ AddImmediate(R1, R1, -kOneByteStringCid); |
2305 __ add(R1, R2, Operand(R1, LSL, kWordSizeLog2)); | 2306 __ add(R1, R2, Operand(R1, LSL, kWordSizeLog2)); |
2306 __ ldr(R0, FieldAddress(R1, RegExp::function_offset(kOneByteStringCid))); | 2307 __ ldr(R0, |
| 2308 FieldAddress(R1, RegExp::function_offset(kOneByteStringCid, sticky))); |
2307 | 2309 |
2308 // Registers are now set up for the lazy compile stub. It expects the function | 2310 // Registers are now set up for the lazy compile stub. It expects the function |
2309 // in R0, the argument descriptor in R4, and IC-Data in R5. | 2311 // in R0, the argument descriptor in R4, and IC-Data in R5. |
2310 __ eor(R5, R5, Operand(R5)); | 2312 __ eor(R5, R5, Operand(R5)); |
2311 | 2313 |
2312 // Tail-call the function. | 2314 // Tail-call the function. |
2313 __ ldr(CODE_REG, FieldAddress(R0, Function::code_offset())); | 2315 __ ldr(CODE_REG, FieldAddress(R0, Function::code_offset())); |
2314 __ ldr(R1, FieldAddress(R0, Function::entry_point_offset())); | 2316 __ ldr(R1, FieldAddress(R0, Function::entry_point_offset())); |
2315 __ br(R1); | 2317 __ br(R1); |
2316 } | 2318 } |
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2361 __ cmp(R0, Operand(0)); | 2363 __ cmp(R0, Operand(0)); |
2362 __ LoadObject(R0, Bool::False()); | 2364 __ LoadObject(R0, Bool::False()); |
2363 __ LoadObject(TMP, Bool::True()); | 2365 __ LoadObject(TMP, Bool::True()); |
2364 __ csel(R0, TMP, R0, NE); | 2366 __ csel(R0, TMP, R0, NE); |
2365 __ ret(); | 2367 __ ret(); |
2366 } | 2368 } |
2367 | 2369 |
2368 } // namespace dart | 2370 } // namespace dart |
2369 | 2371 |
2370 #endif // defined TARGET_ARCH_ARM64 | 2372 #endif // defined TARGET_ARCH_ARM64 |
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