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Side by Side Diff: src/arm64/codegen-arm64.cc

Issue 559913002: Rename ascii to one-byte where applicable. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Created 6 years, 3 months ago
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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 "src/v8.h" 5 #include "src/v8.h"
6 6
7 #if V8_TARGET_ARCH_ARM64 7 #if V8_TARGET_ARCH_ARM64
8 8
9 #include "src/arm64/simulator-arm64.h" 9 #include "src/arm64/simulator-arm64.h"
10 #include "src/codegen.h" 10 #include "src/codegen.h"
(...skipping 467 matching lines...) Expand 10 before | Expand all | Expand 10 after
478 __ Assert(eq, kExternalStringExpectedButNotFound); 478 __ Assert(eq, kExternalStringExpectedButNotFound);
479 } 479 }
480 // Rule out short external strings. 480 // Rule out short external strings.
481 STATIC_ASSERT(kShortExternalStringTag != 0); 481 STATIC_ASSERT(kShortExternalStringTag != 0);
482 // TestAndBranchIfAnySet can emit Tbnz. Do not use it because call_runtime 482 // TestAndBranchIfAnySet can emit Tbnz. Do not use it because call_runtime
483 // can be bound far away in deferred code. 483 // can be bound far away in deferred code.
484 __ Tst(result, kShortExternalStringMask); 484 __ Tst(result, kShortExternalStringMask);
485 __ B(ne, call_runtime); 485 __ B(ne, call_runtime);
486 __ Ldr(string, FieldMemOperand(string, ExternalString::kResourceDataOffset)); 486 __ Ldr(string, FieldMemOperand(string, ExternalString::kResourceDataOffset));
487 487
488 Label ascii, done; 488 Label one_byte, done;
489 __ Bind(&check_encoding); 489 __ Bind(&check_encoding);
490 STATIC_ASSERT(kTwoByteStringTag == 0); 490 STATIC_ASSERT(kTwoByteStringTag == 0);
491 __ TestAndBranchIfAnySet(result, kStringEncodingMask, &ascii); 491 __ TestAndBranchIfAnySet(result, kStringEncodingMask, &one_byte);
492 // Two-byte string. 492 // Two-byte string.
493 __ Ldrh(result, MemOperand(string, index, SXTW, 1)); 493 __ Ldrh(result, MemOperand(string, index, SXTW, 1));
494 __ B(&done); 494 __ B(&done);
495 __ Bind(&ascii); 495 __ Bind(&one_byte);
496 // Ascii string. 496 // One-byte string.
497 __ Ldrb(result, MemOperand(string, index, SXTW)); 497 __ Ldrb(result, MemOperand(string, index, SXTW));
498 __ Bind(&done); 498 __ Bind(&done);
499 } 499 }
500 500
501 501
502 static MemOperand ExpConstant(Register base, int index) { 502 static MemOperand ExpConstant(Register base, int index) {
503 return MemOperand(base, index * kDoubleSize); 503 return MemOperand(base, index * kDoubleSize);
504 } 504 }
505 505
506 506
(...skipping 110 matching lines...) Expand 10 before | Expand all | Expand 10 after
617 __ Fmul(result, double_temp3, double_temp1); 617 __ Fmul(result, double_temp3, double_temp1);
618 618
619 __ Bind(&done); 619 __ Bind(&done);
620 } 620 }
621 621
622 #undef __ 622 #undef __
623 623
624 } } // namespace v8::internal 624 } } // namespace v8::internal
625 625
626 #endif // V8_TARGET_ARCH_ARM64 626 #endif // V8_TARGET_ARCH_ARM64
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