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ppc: add const where needed in scalarproduct_int16_altivec()

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Signed-off-by: Mans Rullgard <mans@mansr.com>
This commit is contained in:
Mans Rullgard 2012-04-27 10:43:08 +01:00
parent ce82dad7eb
commit c81d1e2390
1 changed files with 4 additions and 3 deletions
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7
libavcodec/ppc/int_altivec.c
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@ -79,17 +79,18 @@ static int ssd_int8_vs_int16_altivec(const int8_t *pix1, const int16_t *pix2,
return u.score[3]; return u.score[3];
} }
static int32_t scalarproduct_int16_altivec(int16_t *v1, const int16_t *v2, static int32_t scalarproduct_int16_altivec(const int16_t *v1, const int16_t *v2,
int order) int order)
{ {
int i; int i;
LOAD_ZERO; LOAD_ZERO;
register vec_s16 vec1, *pv; const vec_s16 *pv;
register vec_s16 vec1;
register vec_s32 res = vec_splat_s32(0), t; register vec_s32 res = vec_splat_s32(0), t;
int32_t ires; int32_t ires;
for(i = 0; i < order; i += 8){ for(i = 0; i < order; i += 8){
pv = (vec_s16*)v1; pv = (const vec_s16*)v1;
vec1 = vec_perm(pv[0], pv[1], vec_lvsl(0, v1)); vec1 = vec_perm(pv[0], pv[1], vec_lvsl(0, v1));
t = vec_msum(vec1, vec_ld(0, v2), zero_s32v); t = vec_msum(vec1, vec_ld(0, v2), zero_s32v);
res = vec_sums(t, res); res = vec_sums(t, res);