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| author | Michael Sevakis <jethead71@rockbox.org> | 2011-01-30 00:58:45 +0000 |
|---|---|---|
| committer | Michael Sevakis <jethead71@rockbox.org> | 2011-01-30 00:58:45 +0000 |
| commit | 18770dac2e560c88daa3ca9944917be561c3548f (patch) | |
| tree | 5adf8aef7cb7999a6e07ddefcbb9e1d9bf18a15c /firmware/target/coldfire/system-target.h | |
| parent | c0c769c5a86c56c2ab2c9e88515a64da98575182 (diff) | |
| download | rockbox-18770dac2e560c88daa3ca9944917be561c3548f.tar.gz rockbox-18770dac2e560c88daa3ca9944917be561c3548f.zip | |
Use __builtin_constant_p() to select the best byteswapping method: constant or target optimized. Same macro can then be used for constant values and inits as well as non-constant.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29171 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/coldfire/system-target.h')
| -rw-r--r-- | firmware/target/coldfire/system-target.h | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/firmware/target/coldfire/system-target.h b/firmware/target/coldfire/system-target.h index 2de8fd06c2..d1a2a1f115 100644 --- a/firmware/target/coldfire/system-target.h +++ b/firmware/target/coldfire/system-target.h | |||
| @@ -132,7 +132,7 @@ static inline void restore_irq(int oldlevel) | |||
| 132 | asm volatile ("move.w %0, %%sr" : : "d"(oldlevel)); | 132 | asm volatile ("move.w %0, %%sr" : : "d"(oldlevel)); |
| 133 | } | 133 | } |
| 134 | 134 | ||
| 135 | static inline uint16_t swap16(uint16_t value) | 135 | static inline uint16_t swap16_hw(uint16_t value) |
| 136 | /* | 136 | /* |
| 137 | result[15..8] = value[ 7..0]; | 137 | result[15..8] = value[ 7..0]; |
| 138 | result[ 7..0] = value[15..8]; | 138 | result[ 7..0] = value[15..8]; |
| @@ -141,7 +141,7 @@ static inline uint16_t swap16(uint16_t value) | |||
| 141 | return (value >> 8) | (value << 8); | 141 | return (value >> 8) | (value << 8); |
| 142 | } | 142 | } |
| 143 | 143 | ||
| 144 | static inline uint32_t SWAW32(uint32_t value) | 144 | static inline uint32_t swaw32_hw(uint32_t value) |
| 145 | /* | 145 | /* |
| 146 | result[31..16] = value[15.. 0]; | 146 | result[31..16] = value[15.. 0]; |
| 147 | result[15.. 0] = value[31..16]; | 147 | result[15.. 0] = value[31..16]; |
| @@ -151,7 +151,7 @@ static inline uint32_t SWAW32(uint32_t value) | |||
| 151 | return value; | 151 | return value; |
| 152 | } | 152 | } |
| 153 | 153 | ||
| 154 | static inline uint32_t swap32(uint32_t value) | 154 | static inline uint32_t swap32_hw(uint32_t value) |
| 155 | /* | 155 | /* |
| 156 | result[31..24] = value[ 7.. 0]; | 156 | result[31..24] = value[ 7.. 0]; |
| 157 | result[23..16] = value[15.. 8]; | 157 | result[23..16] = value[15.. 8]; |
| @@ -174,7 +174,7 @@ static inline uint32_t swap32(uint32_t value) | |||
| 174 | return value; | 174 | return value; |
| 175 | } | 175 | } |
| 176 | 176 | ||
| 177 | static inline uint32_t swap_odd_even32(uint32_t value) | 177 | static inline uint32_t swap_odd_even32_hw(uint32_t value) |
| 178 | { | 178 | { |
| 179 | /* | 179 | /* |
| 180 | result[31..24],[15.. 8] = value[23..16],[ 7.. 0] | 180 | result[31..24],[15.. 8] = value[23..16],[ 7.. 0] |