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swscale/ppc: remove hScale8To19_vsx 

Fails checkasm on a Power9 system.
This commit is contained in:
Lynne 2023-05-18 14:42:14 +02:00
parent 247e977953
commit a62a3930c2
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GPG Key ID: A2FEA5F03F034464
1 changed files with 0 additions and 60 deletions
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60
libswscale/ppc/swscale_vsx.c
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@ -1858,64 +1858,6 @@ static void hcscale_fast_vsx(SwsContext *c, int16_t *dst1, int16_t *dst2,
#undef HCSCALE
static void hScale8To19_vsx(SwsContext *c, int16_t *_dst, int dstW,
const uint8_t *src, const int16_t *filter,
const int32_t *filterPos, int filterSize)
{
int i, j;
int32_t *dst = (int32_t *) _dst;
vec_s16 vfilter, vin;
vec_u8 vin8;
vec_s32 vout;
const vec_u8 vzero = vec_splat_u8(0);
const vec_u8 vunusedtab[8] = {
(vec_u8) {0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
0x8, 0x9, 0xa, 0xb, 0xc, 0xd, 0xe, 0xf},
(vec_u8) {0x0, 0x1, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10,
0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10},
(vec_u8) {0x0, 0x1, 0x2, 0x3, 0x10, 0x10, 0x10, 0x10,
0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10},
(vec_u8) {0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x10, 0x10,
0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10},
(vec_u8) {0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10},
(vec_u8) {0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
0x8, 0x9, 0x10, 0x10, 0x10, 0x10, 0x10, 0x10},
(vec_u8) {0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
0x8, 0x9, 0xa, 0xb, 0x10, 0x10, 0x10, 0x10},
(vec_u8) {0x0, 0x1, 0x2, 0x3, 0x4, 0x5, 0x6, 0x7,
0x8, 0x9, 0xa, 0xb, 0xc, 0xd, 0x10, 0x10},
};
const vec_u8 vunused = vunusedtab[filterSize % 8];
if (filterSize == 1) {
for (i = 0; i < dstW; i++) {
int srcPos = filterPos[i];
int val = 0;
for (j = 0; j < filterSize; j++) {
val += ((int)src[srcPos + j]) * filter[filterSize * i + j];
}
dst[i] = FFMIN(val >> 3, (1 << 19) - 1); // the cubic equation does overflow ...
}
} else {
for (i = 0; i < dstW; i++) {
const int srcPos = filterPos[i];
vout = vec_splat_s32(0);
for (j = 0; j < filterSize; j += 8) {
vin8 = vec_vsx_ld(0, &src[srcPos + j]);
vin = (vec_s16) vec_mergeh(vin8, vzero);
if (j + 8 > filterSize) // Remove the unused elements on the last round
vin = vec_perm(vin, (vec_s16) vzero, vunused);
vfilter = vec_vsx_ld(0, &filter[filterSize * i + j]);
vout = vec_msums(vin, vfilter, vout);
}
vout = vec_sums(vout, (vec_s32) vzero);
dst[i] = FFMIN(vout[3] >> 3, (1 << 19) - 1);
}
}
}
static void hScale16To19_vsx(SwsContext *c, int16_t *_dst, int dstW,
const uint8_t *_src, const int16_t *filter,
const int32_t *filterPos, int filterSize)
@ -2092,8 +2034,6 @@ av_cold void ff_sws_init_swscale_vsx(SwsContext *c)
c->hyscale_fast = hyscale_fast_vsx;
c->hcscale_fast = hcscale_fast_vsx;
}
} else {
c->hyScale = c->hcScale = hScale8To19_vsx;
}
} else {
if (power8) {