Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/share/vm/runtime/sharedRuntimeMath.hpp
src/share/vm/runtime/sharedRuntimeMath.hpp
- changeset 7003
- 69ea58782b1a
- parent 7002
- a073be2ce5c2
equal
deleted
inserted
replaced
| 7002:a073be2ce5c2 | 7003:69ea58782b1a |
|---|---|
| 40 #endif | 40 #endif |
| 41 } split; | 41 } split; |
| 42 } DoubleIntConv; | 42 } DoubleIntConv; |
| 43 | 43 |
| 44 static inline int high(double d) { | 44 static inline int high(double d) { |
| 45 DoubleIntConv x = { d }; | 45 DoubleIntConv x; |
| 46 x.d = d; | |
| 46 return x.split.hi; | 47 return x.split.hi; |
| 47 } | 48 } |
| 48 | 49 |
| 49 static inline int low(double d) { | 50 static inline int low(double d) { |
| 50 DoubleIntConv x = { d }; | 51 DoubleIntConv x; |
| 52 x.d = d; | |
| 51 return x.split.lo; | 53 return x.split.lo; |
| 52 } | 54 } |
| 53 | 55 |
| 54 static inline void set_high(double* d, int high) { | 56 static inline void set_high(double* d, int high) { |
| 55 DoubleIntConv conv = { *d }; | 57 DoubleIntConv conv; |
| 58 conv.d = *d; | |
| 56 conv.split.hi = high; | 59 conv.split.hi = high; |
| 57 *d = conv.d; | 60 *d = conv.d; |
| 58 } | 61 } |
| 59 | 62 |
| 60 static inline void set_low(double* d, int low) { | 63 static inline void set_low(double* d, int low) { |
| 61 DoubleIntConv conv = { *d }; | 64 DoubleIntConv conv; |
| 65 conv.d = *d; | |
| 62 conv.split.lo = low; | 66 conv.split.lo = low; |
| 63 *d = conv.d; | 67 *d = conv.d; |
| 64 } | 68 } |
| 65 | 69 |
| 66 static double copysignA(double x, double y) { | 70 static double copysignA(double x, double y) { |
| 67 DoubleIntConv convX = { x }; | 71 DoubleIntConv convX; |
| 72 convX.d = x; | |
| 68 convX.split.hi = (convX.split.hi & 0x7fffffff) | (high(y) & 0x80000000); | 73 convX.split.hi = (convX.split.hi & 0x7fffffff) | (high(y) & 0x80000000); |
| 69 return convX.d; | 74 return convX.d; |
| 70 } | 75 } |
| 71 | 76 |
| 72 /* | 77 /* |
