T-Head C908 (cycles): vc1dsp.vc1_inv_trans_8x4_c: 626.2 vc1dsp.vc1_inv_trans_8x4_rvv_i32: 215.2
Showing the changes to libavcodec (2 of 2 files). Show all
Unified · Split
| @@ -29,6 +29,7 @@ void ff_vc1_inv_trans_8x8_dc_rvv(uint8_t *dest, ptrdiff_t stride, int16_t *block · 28 unmodified lines | ||
| 29 | 29 | void ff_vc1_inv_trans_8x8_rvv(int16_t block[64]); |
| 30 | 30 | void ff_vc1_inv_trans_4x8_dc_rvv(uint8_t *dest, ptrdiff_t stride, int16_t *block); |
| 31 | 31 | void ff_vc1_inv_trans_8x4_dc_rvv(uint8_t *dest, ptrdiff_t stride, int16_t *block); |
| 32 | +void ff_vc1_inv_trans_8x4_rvv(uint8_t *dest, ptrdiff_t stride, int16_t *block); | |
| 32 | 33 | void ff_vc1_inv_trans_4x4_dc_rvv(uint8_t *dest, ptrdiff_t stride, int16_t *block); |
| 33 | 34 | void ff_put_pixels16x16_rvi(uint8_t *dst, const uint8_t *src, ptrdiff_t line_size, int rnd); |
| 34 | 35 | void ff_put_pixels8x8_rvi(uint8_t *dst, const uint8_t *src, ptrdiff_t line_size, int rnd); |
| @@ -55,6 +56,7 @@ av_cold void ff_vc1dsp_init_riscv(VC1DSPContext *dsp) · 20 unmodified lines | ||
| 55 | 56 | if (flags & AV_CPU_FLAG_RVV_I32) { |
| 56 | 57 | if (ff_rv_vlen_least(128)) { |
| 57 | 58 | dsp->vc1_inv_trans_8x8 = ff_vc1_inv_trans_8x8_rvv; |
| 59 | + dsp->vc1_inv_trans_8x4 = ff_vc1_inv_trans_8x4_rvv; | |
| 58 | 60 | dsp->vc1_inv_trans_4x8_dc = ff_vc1_inv_trans_4x8_dc_rvv; |
| 59 | 61 | dsp->vc1_inv_trans_4x4_dc = ff_vc1_inv_trans_4x4_dc_rvv; |
| 60 | 62 | dsp->avg_vc1_mspel_pixels_tab[0][0] = ff_avg_pixels16x16_rvv; |
| @@ -173,6 +173,31 @@ func ff_vc1_inv_trans_8_rvv, zve32x · 172 unmodified lines | ||
| 173 | 173 | jr t0 |
| 174 | 174 | endfunc |
| 175 | 175 | |
| 176 | + .variant_cc ff_vc1_inv_trans_4_rvv | |
| 177 | +func ff_vc1_inv_trans_4_rvv, zve32x | |
| 178 | + li t3, 17 | |
| 179 | + vmul.vx v8, v0, t3 | |
| 180 | + li t4, 22 | |
| 181 | + vmul.vx v10, v2, t3 | |
| 182 | + li t2, 10 | |
| 183 | + vmul.vx v14, v1, t4 | |
| 184 | + vadd.vv v24, v8, v10 # t1 | |
| 185 | + vsub.vv v25, v8, v10 # t2 | |
| 186 | + vmul.vx v16, v3, t2 | |
| 187 | + vmul.vx v18, v3, t4 | |
| 188 | + vmul.vx v20, v1, t2 | |
| 189 | + vadd.vv v26, v14, v16 # t3 | |
| 190 | + vsub.vv v27, v18, v20 # t4 | |
| 191 | + vadd.vv v0, v24, v26 | |
| 192 | + vsub.vv v1, v25, v27 | |
| 193 | + vadd.vv v2, v25, v27 | |
| 194 | + vsub.vv v3, v24, v26 | |
| 195 | + .irp n,0,1,2,3 | |
| 196 | + vssra.vx v\n, v\n, t1 # + 4 >> 3 or + 64 >> 7 | |
| 197 | + .endr | |
| 198 | + jr t0 | |
| 199 | +endfunc | |
| 200 | + | |
| 176 | 201 | func ff_vc1_inv_trans_8x8_rvv, zve32x |
| 177 | 202 | csrwi vxrm, 0 |
| 178 | 203 | vsetivli zero, 8, e16, m1, ta, ma |
| @@ -223,6 +248,54 @@ func ff_vc1_inv_trans_8x8_rvv, zve32x · 44 unmodified lines | ||
| 223 | 248 | ret |
| 224 | 249 | endfunc |
| 225 | 250 | |
| 251 | +func ff_vc1_inv_trans_8x4_rvv, zve32x | |
| 252 | + csrwi vxrm, 0 | |
| 253 | + vsetivli zero, 4, e16, mf2, ta, ma | |
| 254 | + vlseg8e16.v v0, (a2) | |
| 255 | + jal t0, ff_vc1_inv_trans_8_rvv | |
| 256 | + vsseg8e16.v v0, (a2) | |
| 257 | + addi a3, a2, 1 * 8 * 2 | |
| 258 | + vsetivli zero, 8, e16, m1, ta, ma | |
| 259 | + vle16.v v0, (a2) | |
| 260 | + addi a4, a2, 2 * 8 * 2 | |
| 261 | + vle16.v v1, (a3) | |
| 262 | + addi a5, a2, 3 * 8 * 2 | |
| 263 | + vle16.v v2, (a4) | |
| 264 | + vle16.v v3, (a5) | |
| 265 | + .irp n,0,1,2,3 | |
| 266 | + # shift 4 vectors of 8 elems after transpose instead of 8 of 4 | |
| 267 | + vssra.vi v\n, v\n, 3 | |
| 268 | + .endr | |
| 269 | + li t1, 7 | |
| 270 | + jal t0, ff_vc1_inv_trans_4_rvv | |
| 271 | + add a3, a1, a0 | |
| 272 | + vle8.v v8, (a0) | |
| 273 | + add a4, a1, a3 | |
| 274 | + vle8.v v9, (a3) | |
| 275 | + add a5, a1, a4 | |
| 276 | + vle8.v v10, (a4) | |
| 277 | + vle8.v v11, (a5) | |
| 278 | + vsetvli zero, zero, e8, mf2, ta, ma | |
| 279 | + vwaddu.wv v0, v0, v8 | |
| 280 | + vwaddu.wv v1, v1, v9 | |
| 281 | + vwaddu.wv v2, v2, v10 | |
| 282 | + vwaddu.wv v3, v3, v11 | |
| 283 | + vsetvli zero, zero, e16, m1, ta, ma | |
| 284 | + .irp n,0,1,2,3 | |
| 285 | + vmax.vx v\n, v\n, zero | |
| 286 | + .endr | |
| 287 | + vsetvli zero, zero, e8, mf2, ta, ma | |
| 288 | + vnclipu.wi v8, v0, 0 | |
| 289 | + vnclipu.wi v9, v1, 0 | |
| 290 | + vse8.v v8, (a0) | |
| 291 | + vnclipu.wi v10, v2, 0 | |
| 292 | + vse8.v v9, (a3) | |
| 293 | + vnclipu.wi v11, v3, 0 | |
| 294 | + vse8.v v10, (a4) | |
| 295 | + vse8.v v11, (a5) | |
| 296 | + ret | |
| 297 | +endfunc | |
| 298 | + | |
| 226 | 299 | .macro mspel_op op pos n1 n2 |
| 227 | 300 | add t1, \pos, a2 |
| 228 | 301 | v\op\()e8.v v\n1, (\pos) |