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author | Michael Giacomelli <giac2000@hotmail.com> | 2009-02-17 17:01:09 +0000 |
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committer | Michael Giacomelli <giac2000@hotmail.com> | 2009-02-17 17:01:09 +0000 |
commit | bd60270418add07332505c1d7fd20cc0e031b8de (patch) | |
tree | 2b529d7118e91960cb51350761101ddf3f1fa487 /apps | |
parent | 5593de5e7990897bdd350231c76013e17fc4b617 (diff) | |
download | rockbox-bd60270418add07332505c1d7fd20cc0e031b8de.tar.gz rockbox-bd60270418add07332505c1d7fd20cc0e031b8de.zip |
Commit FS#9915 by Sei Aoyumi. Adds hints to help GCC better optimize vorbis decoding. Gives a minor speed increase.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20030 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps')
-rw-r--r-- | apps/codecs/libtremor/bitwise.c | 4 | ||||
-rw-r--r-- | apps/codecs/libtremor/codebook.c | 2 | ||||
-rw-r--r-- | apps/codecs/libtremor/floor1.c | 2 | ||||
-rw-r--r-- | apps/codecs/libtremor/ogg.h | 2 |
4 files changed, 5 insertions, 5 deletions
diff --git a/apps/codecs/libtremor/bitwise.c b/apps/codecs/libtremor/bitwise.c index caa42f4277..dabba468b9 100644 --- a/apps/codecs/libtremor/bitwise.c +++ b/apps/codecs/libtremor/bitwise.c | |||
@@ -131,8 +131,8 @@ static int _halt_one(oggpack_buffer *b){ | |||
131 | } | 131 | } |
132 | 132 | ||
133 | /* bits <= 32 */ | 133 | /* bits <= 32 */ |
134 | long oggpack_read(oggpack_buffer *b,int bits) ICODE_ATTR_TREMOR_NOT_MDCT; | 134 | long oggpack_read(oggpack_buffer *b,register int bits) ICODE_ATTR_TREMOR_NOT_MDCT; |
135 | long oggpack_read(oggpack_buffer *b,int bits){ | 135 | long oggpack_read(oggpack_buffer *b,register int bits){ |
136 | unsigned long m=oggpack_mask[bits]; | 136 | unsigned long m=oggpack_mask[bits]; |
137 | ogg_uint32_t ret=-1; | 137 | ogg_uint32_t ret=-1; |
138 | 138 | ||
diff --git a/apps/codecs/libtremor/codebook.c b/apps/codecs/libtremor/codebook.c index f291686870..dd0908ba6a 100644 --- a/apps/codecs/libtremor/codebook.c +++ b/apps/codecs/libtremor/codebook.c | |||
@@ -451,7 +451,7 @@ static long vorbis_book_decodevv_add_2ch_even(codebook *book,ogg_int32_t **a, | |||
451 | long vorbis_book_decodevv_add(codebook *book,ogg_int32_t **a, | 451 | long vorbis_book_decodevv_add(codebook *book,ogg_int32_t **a, |
452 | long offset,int ch, | 452 | long offset,int ch, |
453 | oggpack_buffer *b,int n,int point){ | 453 | oggpack_buffer *b,int n,int point){ |
454 | if(book->used_entries>0){ | 454 | if(LIKELY(book->used_entries>0)){ |
455 | long i,j,k,chunk,read; | 455 | long i,j,k,chunk,read; |
456 | int chptr=0; | 456 | int chptr=0; |
457 | int shift=point-book->binarypoint; | 457 | int shift=point-book->binarypoint; |
diff --git a/apps/codecs/libtremor/floor1.c b/apps/codecs/libtremor/floor1.c index 4ee58c18ca..fa81b0d197 100644 --- a/apps/codecs/libtremor/floor1.c +++ b/apps/codecs/libtremor/floor1.c | |||
@@ -299,7 +299,7 @@ static void render_line(int n, int x0,register int x1,int y0,int y1,ogg_int32_t | |||
299 | if(n>x1)n=x1; | 299 | if(n>x1)n=x1; |
300 | ady-=abs(base*adx); | 300 | ady-=abs(base*adx); |
301 | 301 | ||
302 | if(x<n) | 302 | if(LIKELY(x<n)) |
303 | d[x]= MULT31_SHIFT15(d[x],FLOOR_fromdB_LOOKUP[y]); | 303 | d[x]= MULT31_SHIFT15(d[x],FLOOR_fromdB_LOOKUP[y]); |
304 | 304 | ||
305 | while(++x<n){ | 305 | while(++x<n){ |
diff --git a/apps/codecs/libtremor/ogg.h b/apps/codecs/libtremor/ogg.h index 7e2785f117..15ca46b3cd 100644 --- a/apps/codecs/libtremor/ogg.h +++ b/apps/codecs/libtremor/ogg.h | |||
@@ -142,7 +142,7 @@ typedef struct { | |||
142 | 142 | ||
143 | extern void oggpack_readinit(oggpack_buffer *b,ogg_reference *r); | 143 | extern void oggpack_readinit(oggpack_buffer *b,ogg_reference *r); |
144 | extern long oggpack_look_full(oggpack_buffer *b,int bits); | 144 | extern long oggpack_look_full(oggpack_buffer *b,int bits); |
145 | extern long oggpack_read(oggpack_buffer *b,int bits); | 145 | extern long oggpack_read(oggpack_buffer *b,register int bits); |
146 | 146 | ||
147 | /* Inline a few, often called functions */ | 147 | /* Inline a few, often called functions */ |
148 | 148 | ||