diff options
| author | Nils Wallménius <nils@rockbox.org> | 2010-12-21 14:08:41 +0000 |
|---|---|---|
| committer | Nils Wallménius <nils@rockbox.org> | 2010-12-21 14:08:41 +0000 |
| commit | d5c082598d2b5b552578e6c638d88452581e6f9c (patch) | |
| tree | e4fc5fde32532a390b36fb0f7317c2b3b3a2f593 | |
| parent | 74cc5c77e35713717890ef79efbdd47d810519f4 (diff) | |
| download | rockbox-d5c082598d2b5b552578e6c638d88452581e6f9c.tar.gz rockbox-d5c082598d2b5b552578e6c638d88452581e6f9c.zip | |
libwavpack: put some lookup tables in iram, speedup of 8-10% on coldfire (h300).
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@28873 a1c6a512-1295-4272-9138-f99709370657
| -rw-r--r-- | apps/codecs/libwavpack/words.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/apps/codecs/libwavpack/words.c b/apps/codecs/libwavpack/words.c index c3ae50dcf4..3d9e753e4b 100644 --- a/apps/codecs/libwavpack/words.c +++ b/apps/codecs/libwavpack/words.c | |||
| @@ -66,7 +66,7 @@ | |||
| 66 | 66 | ||
| 67 | ///////////////////////////// local table storage //////////////////////////// | 67 | ///////////////////////////// local table storage //////////////////////////// |
| 68 | 68 | ||
| 69 | const char nbits_table [] = { | 69 | static const char nbits_table [] ICONST_ATTR = { |
| 70 | 0, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, // 0 - 15 | 70 | 0, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, // 0 - 15 |
| 71 | 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, // 16 - 31 | 71 | 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, // 16 - 31 |
| 72 | 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, // 32 - 47 | 72 | 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, // 32 - 47 |
| @@ -104,7 +104,7 @@ static const uchar log2_table [] = { | |||
| 104 | 0xf4, 0xf5, 0xf6, 0xf7, 0xf7, 0xf8, 0xf9, 0xf9, 0xfa, 0xfb, 0xfc, 0xfc, 0xfd, 0xfe, 0xff, 0xff | 104 | 0xf4, 0xf5, 0xf6, 0xf7, 0xf7, 0xf8, 0xf9, 0xf9, 0xfa, 0xfb, 0xfc, 0xfc, 0xfd, 0xfe, 0xff, 0xff |
| 105 | }; | 105 | }; |
| 106 | 106 | ||
| 107 | static const uchar exp2_table [] = { | 107 | static const uchar exp2_table [] ICONST_ATTR = { |
| 108 | 0x00, 0x01, 0x01, 0x02, 0x03, 0x03, 0x04, 0x05, 0x06, 0x06, 0x07, 0x08, 0x08, 0x09, 0x0a, 0x0b, | 108 | 0x00, 0x01, 0x01, 0x02, 0x03, 0x03, 0x04, 0x05, 0x06, 0x06, 0x07, 0x08, 0x08, 0x09, 0x0a, 0x0b, |
| 109 | 0x0b, 0x0c, 0x0d, 0x0e, 0x0e, 0x0f, 0x10, 0x10, 0x11, 0x12, 0x13, 0x13, 0x14, 0x15, 0x16, 0x16, | 109 | 0x0b, 0x0c, 0x0d, 0x0e, 0x0e, 0x0f, 0x10, 0x10, 0x11, 0x12, 0x13, 0x13, 0x14, 0x15, 0x16, 0x16, |
| 110 | 0x17, 0x18, 0x19, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1d, 0x1e, 0x1f, 0x20, 0x20, 0x21, 0x22, 0x23, | 110 | 0x17, 0x18, 0x19, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1d, 0x1e, 0x1f, 0x20, 0x20, 0x21, 0x22, 0x23, |
| @@ -123,7 +123,7 @@ static const uchar exp2_table [] = { | |||
| 123 | 0xea, 0xec, 0xed, 0xee, 0xf0, 0xf1, 0xf2, 0xf4, 0xf5, 0xf6, 0xf8, 0xf9, 0xfa, 0xfc, 0xfd, 0xff | 123 | 0xea, 0xec, 0xed, 0xee, 0xf0, 0xf1, 0xf2, 0xf4, 0xf5, 0xf6, 0xf8, 0xf9, 0xfa, 0xfc, 0xfd, 0xff |
| 124 | }; | 124 | }; |
| 125 | 125 | ||
| 126 | static const char ones_count_table [] = { | 126 | static const char ones_count_table [] ICONST_ATTR = { |
| 127 | 0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,5, | 127 | 0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,5, |
| 128 | 0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,6, | 128 | 0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,6, |
| 129 | 0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,5, | 129 | 0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,4,0,1,0,2,0,1,0,3,0,1,0,2,0,1,0,5, |