devs/foxbox
1
0
Fork 0
forked from len0rd/rockbox
Code Pull requests Activity

FS #6848 - fast vector operations for ARM in Tremor.

Browse source 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@12902 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Tomasz Malesinski 2007-03-24 13:45:54 +00:00
parent 467651ae76
commit 25046aac17
5 changed files with 168 additions and 59 deletions
Download patch file Download diff file Expand all files Collapse all files

45
apps/codecs/Tremor/misc.h
View file

@ -151,6 +151,51 @@ static inline void XNPROD31(ogg_int32_t a, ogg_int32_t b,
*y = MULT31(b, t) + MULT31(a, v);
}
#endif
#ifndef _V_VECT_OPS
#define _V_VECT_OPS
static inline
void vect_add(ogg_int32_t *x, ogg_int32_t *y, int n)
{
while (n>0) {
*x++ += *y++;
n--;
}
}
static inline
void vect_copy(ogg_int32_t *x, ogg_int32_t *y, int n)
{
while (n>0) {
*x++ = *y++;
n--;
}
}
static inline
void vect_mult_fw(ogg_int32_t *data, LOOKUP_T *window, int n)
{
while(n>0) {
*data = MULT31(*data, *window);
data++;
window++;
n--;
}
}
static inline
void vect_mult_bw(ogg_int32_t *data, LOOKUP_T *window, int n)
{
while(n>0) {
*data = MULT31(*data, *window);
data++;
window--;
n--;
}
}
#endif
#endif
#ifndef _V_CLIP_MATH