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swscale/ppc/swscale_ppc_template: Remove code not passing checkasm 

Reviewed-by: Lynne <dev@lynne.ee>
Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
This commit is contained in:
Andreas Rheinhardt 2024-04-04 04:43:38 +02:00
parent db063212c8
commit 95b4aea5e3
1 changed files with 9 additions and 53 deletions
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62
libswscale/ppc/swscale_ppc_template.c
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@ -104,16 +104,6 @@ static void FUNC(hScale_real)(SwsContext *c, int16_t *dst, int dstW,
register int i;
LOCAL_ALIGNED(16, int, tempo, [4]);
if (filterSize % 4) {
for (i = 0; i < dstW; i++) {
register int j;
register int srcPos = filterPos[i];
register int val = 0;
for (j = 0; j < filterSize; j++)
val += ((int)src[srcPos + j]) * filter[filterSize * i + j];
dst[i] = FFMIN(val >> 7, (1 << 15) - 1);
}
} else
switch (filterSize) {
case 4:
for (i = 0; i < dstW; i++) {
@ -175,48 +165,14 @@ static void FUNC(hScale_real)(SwsContext *c, int16_t *dst, int dstW,
break;
default:
for (i = 0; i < dstW; i++) {
register int j, av_unused offset = i * 2 * filterSize;
register int srcPos = filterPos[i];
vector signed int val_s, val_v = (vector signed int)vzero;
vector signed short av_unused filter_v0R;
vector unsigned char av_unused permF, av_unused src_v0, av_unused permS;
FIRST_LOAD(filter_v0R, offset, filter, permF);
FIRST_LOAD(src_v0, srcPos, src, permS);
for (j = 0; j < filterSize - 15; j += 16) {
vector unsigned char av_unused src_v1, src_vF;
vector signed short av_unused filter_v1R, av_unused filter_v2R,
filter_v0, filter_v1, src_vA, src_vB;
vector signed int val_acc;
LOAD_SRCV(srcPos, j, src, permS, src_v0, src_v1, src_vF);
src_vA = // vec_unpackh sign-extends...
(vector signed short)(VEC_MERGEH((vector unsigned char)vzero, src_vF));
src_vB = // vec_unpackh sign-extends...
(vector signed short)(VEC_MERGEL((vector unsigned char)vzero, src_vF));
GET_VFD(i, j, filter, filter_v0R, filter_v1R, permF, filter_v0, 0);
GET_VFD(i, j, filter, filter_v1R, filter_v2R, permF, filter_v1, 16);
val_acc = vec_msums(src_vA, filter_v0, val_v);
val_v = vec_msums(src_vB, filter_v1, val_acc);
UPDATE_PTR(filter_v2R, filter_v0R, src_v1, src_v0);
}
if (j < filterSize - 7) {
// loading src_v0 is useless, it's already done above
vector unsigned char av_unused src_v1, src_vF;
vector signed short src_v, av_unused filter_v1R, filter_v;
LOAD_SRCV8(srcPos, j, src, permS, src_v0, src_v1, src_vF);
src_v = // vec_unpackh sign-extends...
(vector signed short)(VEC_MERGEH((vector unsigned char)vzero, src_vF));
GET_VFD(i, j, filter, filter_v0R, filter_v1R, permF, filter_v, 0);
val_v = vec_msums(src_v, filter_v, val_v);
}
val_s = vec_sums(val_v, vzero);
VEC_ST(val_s, 0, tempo);
dst[i] = FFMIN(tempo[3] >> 7, (1 << 15) - 1);
}
for (register int i = 0; i < dstW; i++) {
register int j;
register int srcPos = filterPos[i];
register int val = 0;
for (j = 0; j < filterSize; j++)
val += ((int)src[srcPos + j]) * filter[filterSize * i + j];
dst[i] = FFMIN(val >> 7, (1 << 15) - 1);
}
break;
}
}