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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 #ifndef V8_ARM64_MACRO_ASSEMBLER_ARM64_H_ | 5 #ifndef V8_ARM64_MACRO_ASSEMBLER_ARM64_H_ |
6 #define V8_ARM64_MACRO_ASSEMBLER_ARM64_H_ | 6 #define V8_ARM64_MACRO_ASSEMBLER_ARM64_H_ |
7 | 7 |
8 #include <vector> | 8 #include <vector> |
9 | 9 |
10 #include "src/arm64/assembler-arm64.h" | 10 #include "src/arm64/assembler-arm64.h" |
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977 // Sets the vs flag if the input is -0.0. | 977 // Sets the vs flag if the input is -0.0. |
978 void TestForMinusZero(DoubleRegister input); | 978 void TestForMinusZero(DoubleRegister input); |
979 | 979 |
980 // Jump to label if the input double register contains -0.0. | 980 // Jump to label if the input double register contains -0.0. |
981 void JumpIfMinusZero(DoubleRegister input, Label* on_negative_zero); | 981 void JumpIfMinusZero(DoubleRegister input, Label* on_negative_zero); |
982 | 982 |
983 // Jump to label if the input integer register contains the double precision | 983 // Jump to label if the input integer register contains the double precision |
984 // floating point representation of -0.0. | 984 // floating point representation of -0.0. |
985 void JumpIfMinusZero(Register input, Label* on_negative_zero); | 985 void JumpIfMinusZero(Register input, Label* on_negative_zero); |
986 | 986 |
987 // Generate code to do a lookup in the number string cache. If the number in | |
988 // the register object is found in the cache the generated code falls through | |
989 // with the result in the result register. The object and the result register | |
990 // can be the same. If the number is not found in the cache the code jumps to | |
991 // the label not_found with only the content of register object unchanged. | |
992 void LookupNumberStringCache(Register object, | |
993 Register result, | |
994 Register scratch1, | |
995 Register scratch2, | |
996 Register scratch3, | |
997 Label* not_found); | |
998 | |
999 // Saturate a signed 32-bit integer in input to an unsigned 8-bit integer in | 987 // Saturate a signed 32-bit integer in input to an unsigned 8-bit integer in |
1000 // output. | 988 // output. |
1001 void ClampInt32ToUint8(Register in_out); | 989 void ClampInt32ToUint8(Register in_out); |
1002 void ClampInt32ToUint8(Register output, Register input); | 990 void ClampInt32ToUint8(Register output, Register input); |
1003 | 991 |
1004 // Saturate a double in input to an unsigned 8-bit integer in output. | 992 // Saturate a double in input to an unsigned 8-bit integer in output. |
1005 void ClampDoubleToUint8(Register output, | 993 void ClampDoubleToUint8(Register output, |
1006 DoubleRegister input, | 994 DoubleRegister input, |
1007 DoubleRegister dbl_scratch); | 995 DoubleRegister dbl_scratch); |
1008 | 996 |
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2293 #error "Unsupported option" | 2281 #error "Unsupported option" |
2294 #define CODE_COVERAGE_STRINGIFY(x) #x | 2282 #define CODE_COVERAGE_STRINGIFY(x) #x |
2295 #define CODE_COVERAGE_TOSTRING(x) CODE_COVERAGE_STRINGIFY(x) | 2283 #define CODE_COVERAGE_TOSTRING(x) CODE_COVERAGE_STRINGIFY(x) |
2296 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) | 2284 #define __FILE_LINE__ __FILE__ ":" CODE_COVERAGE_TOSTRING(__LINE__) |
2297 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> | 2285 #define ACCESS_MASM(masm) masm->stop(__FILE_LINE__); masm-> |
2298 #else | 2286 #else |
2299 #define ACCESS_MASM(masm) masm-> | 2287 #define ACCESS_MASM(masm) masm-> |
2300 #endif | 2288 #endif |
2301 | 2289 |
2302 #endif // V8_ARM64_MACRO_ASSEMBLER_ARM64_H_ | 2290 #endif // V8_ARM64_MACRO_ASSEMBLER_ARM64_H_ |
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