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1 // Copyright 2013 the V8 project authors. All rights reserved. | 1 // Copyright 2013 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 "v8.h" | 5 #include "v8.h" |
6 | 6 |
7 #if V8_TARGET_ARCH_ARM64 | 7 #if V8_TARGET_ARCH_ARM64 |
8 | 8 |
9 #include "codegen.h" | 9 #include "codegen.h" |
10 #include "macro-assembler.h" | 10 #include "macro-assembler.h" |
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466 | 466 |
467 // Handle external strings. | 467 // Handle external strings. |
468 __ Bind(&external_string); | 468 __ Bind(&external_string); |
469 if (FLAG_debug_code) { | 469 if (FLAG_debug_code) { |
470 // Assert that we do not have a cons or slice (indirect strings) here. | 470 // Assert that we do not have a cons or slice (indirect strings) here. |
471 // Sequential strings have already been ruled out. | 471 // Sequential strings have already been ruled out. |
472 __ Tst(result, kIsIndirectStringMask); | 472 __ Tst(result, kIsIndirectStringMask); |
473 __ Assert(eq, kExternalStringExpectedButNotFound); | 473 __ Assert(eq, kExternalStringExpectedButNotFound); |
474 } | 474 } |
475 // Rule out short external strings. | 475 // Rule out short external strings. |
476 STATIC_CHECK(kShortExternalStringTag != 0); | 476 STATIC_ASSERT(kShortExternalStringTag != 0); |
477 // TestAndBranchIfAnySet can emit Tbnz. Do not use it because call_runtime | 477 // TestAndBranchIfAnySet can emit Tbnz. Do not use it because call_runtime |
478 // can be bound far away in deferred code. | 478 // can be bound far away in deferred code. |
479 __ Tst(result, kShortExternalStringMask); | 479 __ Tst(result, kShortExternalStringMask); |
480 __ B(ne, call_runtime); | 480 __ B(ne, call_runtime); |
481 __ Ldr(string, FieldMemOperand(string, ExternalString::kResourceDataOffset)); | 481 __ Ldr(string, FieldMemOperand(string, ExternalString::kResourceDataOffset)); |
482 | 482 |
483 Label ascii, done; | 483 Label ascii, done; |
484 __ Bind(&check_encoding); | 484 __ Bind(&check_encoding); |
485 STATIC_ASSERT(kTwoByteStringTag == 0); | 485 STATIC_ASSERT(kTwoByteStringTag == 0); |
486 __ TestAndBranchIfAnySet(result, kStringEncodingMask, &ascii); | 486 __ TestAndBranchIfAnySet(result, kStringEncodingMask, &ascii); |
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611 __ Fmul(result, double_temp3, double_temp1); | 611 __ Fmul(result, double_temp3, double_temp1); |
612 | 612 |
613 __ Bind(&done); | 613 __ Bind(&done); |
614 } | 614 } |
615 | 615 |
616 #undef __ | 616 #undef __ |
617 | 617 |
618 } } // namespace v8::internal | 618 } } // namespace v8::internal |
619 | 619 |
620 #endif // V8_TARGET_ARCH_ARM64 | 620 #endif // V8_TARGET_ARCH_ARM64 |
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