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Issue 578583002: Fixed deopt reasons in TaggedToI. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Addressed feedback Created 6 years, 3 months ago
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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_X87_MACRO_ASSEMBLER_X87_H_ 5 #ifndef V8_X87_MACRO_ASSEMBLER_X87_H_
6 #define V8_X87_MACRO_ASSEMBLER_X87_H_ 6 #define V8_X87_MACRO_ASSEMBLER_X87_H_
7 7
8 #include "src/assembler.h" 8 #include "src/assembler.h"
9 #include "src/frames.h" 9 #include "src/frames.h"
10 #include "src/globals.h" 10 #include "src/globals.h"
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440 440
441 void SlowTruncateToI(Register result_reg, Register input_reg, 441 void SlowTruncateToI(Register result_reg, Register input_reg,
442 int offset = HeapNumber::kValueOffset - kHeapObjectTag); 442 int offset = HeapNumber::kValueOffset - kHeapObjectTag);
443 443
444 void TruncateHeapNumberToI(Register result_reg, Register input_reg); 444 void TruncateHeapNumberToI(Register result_reg, Register input_reg);
445 void TruncateX87TOSToI(Register result_reg); 445 void TruncateX87TOSToI(Register result_reg);
446 446
447 void X87TOSToI(Register result_reg, MinusZeroMode minus_zero_mode, 447 void X87TOSToI(Register result_reg, MinusZeroMode minus_zero_mode,
448 Label* conversion_failed, Label::Distance dst = Label::kFar); 448 Label* conversion_failed, Label::Distance dst = Label::kFar);
449 449
450 void TaggedToI(Register result_reg, Register input_reg,
451 MinusZeroMode minus_zero_mode, Label* lost_precision);
452
453 // Smi tagging support. 450 // Smi tagging support.
454 void SmiTag(Register reg) { 451 void SmiTag(Register reg) {
455 STATIC_ASSERT(kSmiTag == 0); 452 STATIC_ASSERT(kSmiTag == 0);
456 STATIC_ASSERT(kSmiTagSize == 1); 453 STATIC_ASSERT(kSmiTagSize == 1);
457 add(reg, reg); 454 add(reg, reg);
458 } 455 }
459 void SmiUntag(Register reg) { 456 void SmiUntag(Register reg) {
460 sar(reg, kSmiTagSize); 457 sar(reg, kSmiTagSize);
461 } 458 }
462 459
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1079 } \ 1076 } \
1080 masm-> 1077 masm->
1081 #else 1078 #else
1082 #define ACCESS_MASM(masm) masm-> 1079 #define ACCESS_MASM(masm) masm->
1083 #endif 1080 #endif
1084 1081
1085 1082
1086 } } // namespace v8::internal 1083 } } // namespace v8::internal
1087 1084
1088 #endif // V8_X87_MACRO_ASSEMBLER_X87_H_ 1085 #endif // V8_X87_MACRO_ASSEMBLER_X87_H_
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