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lavc/vc1dsp: unify R-V V DC bypass functions

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This commit is contained in:
Rémi Denis-Courmont 2024-07-27 18:34:58 +03:00
parent bd0c3edb13
commit 784a72a116
1 changed files with 35 additions and 91 deletions
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126
libavcodec/riscv/vc1dsp_rvv.S
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@ -21,101 +21,45 @@
#include "libavutil/riscv/asm.S"
func ff_vc1_inv_trans_8x8_dc_rvv, zve64x, zba
.macro inv_trans_dc rows, cols, w, mat_lmul, row_lmul
func ff_vc1_inv_trans_\cols\()x\rows\()_dc_rvv, zve64x, zba
lpad 0
lh t2, (a2)
vsetivli zero, 8, e8, mf2, ta, ma
vlse64.v v0, (a0), a1
sh1add t2, t2, t2
addi t2, t2, 1
srai t2, t2, 1
sh1add t2, t2, t2
addi t2, t2, 16
srai t2, t2, 5
li t0, 8*8
vsetvli zero, t0, e16, m8, ta, ma
vzext.vf2 v8, v0
vadd.vx v8, v8, t2
vmax.vx v8, v8, zero
vsetvli zero, zero, e8, m4, ta, ma
vnclipu.wi v0, v8, 0
vsetivli zero, 8, e8, mf2, ta, ma
vsse64.v v0, (a0), a1
lh t2, (a2)
li a4, 22 - (5 * \cols) / 4
mul t2, t2, a4
vsetivli zero, \rows, e8, m\row_lmul, ta, ma
vlse\w\().v v0, (a0), a1
addi t2, t2, 4
li a5, 22 - (5 * \rows) / 4
srai t2, t2, 3
mul t2, t2, a5
.if \cols * \rows >= 32
li t0, \cols * \rows
.endif
addi t2, t2, 64
srai t2, t2, 7
.if \rows * \cols == 64
vsetvli zero, t0, e16, m8, ta, ma
.elseif \rows * \cols == 32
vsetvli zero, t0, e16, m4, ta, ma
.else
vsetivli zero, \rows * \cols, e16, m2, ta, ma
.endif
vzext.vf2 v8, v0
vadd.vx v8, v8, t2
vmax.vx v8, v8, zero
vsetvli zero, zero, e8, m\mat_lmul, ta, ma
vnclipu.wi v0, v8, 0
vsetivli zero, \rows, e8, m\row_lmul, ta, ma
vsse\w\().v v0, (a0), a1
ret
endfunc
.endm
func ff_vc1_inv_trans_4x8_dc_rvv, zve32x, zba
lpad 0
lh t2, (a2)
vsetivli zero, 8, e8, mf2, ta, ma
vlse32.v v0, (a0), a1
slli t1, t2, 4
add t2, t2, t1
addi t2, t2, 4
srai t2, t2, 3
sh1add t2, t2, t2
slli t2, t2, 2
addi t2, t2, 64
srai t2, t2, 7
li t0, 4*8
vsetvli zero, t0, e16, m4, ta, ma
vzext.vf2 v4, v0
vadd.vx v4, v4, t2
vmax.vx v4, v4, zero
vsetvli zero, zero, e8, m2, ta, ma
vnclipu.wi v0, v4, 0
vsetivli zero, 8, e8, mf2, ta, ma
vsse32.v v0, (a0), a1
ret
endfunc
func ff_vc1_inv_trans_8x4_dc_rvv, zve64x, zba
lpad 0
lh t2, (a2)
vsetivli zero, 4, e8, mf4, ta, ma
vlse64.v v0, (a0), a1
sh1add t2, t2, t2
addi t2, t2, 1
srai t2, t2, 1
slli t1, t2, 4
add t2, t2, t1
addi t2, t2, 64
srai t2, t2, 7
li t0, 8*4
vsetvli zero, t0, e16, m4, ta, ma
vzext.vf2 v4, v0
vadd.vx v4, v4, t2
vmax.vx v4, v4, zero
vsetvli zero, zero, e8, m2, ta, ma
vnclipu.wi v0, v4, 0
vsetivli zero, 4, e8, mf4, ta, ma
vsse64.v v0, (a0), a1
ret
endfunc
func ff_vc1_inv_trans_4x4_dc_rvv, zve32x
lpad 0
lh t2, (a2)
vsetivli zero, 4, e8, mf4, ta, ma
vlse32.v v0, (a0), a1
slli t1, t2, 4
add t2, t2, t1
addi t2, t2, 4
srai t2, t2, 3
slli t1, t2, 4
add t2, t2, t1
addi t2, t2, 64
srai t2, t2, 7
vsetivli zero, 4*4, e16, m2, ta, ma
vzext.vf2 v2, v0
vadd.vx v2, v2, t2
vmax.vx v2, v2, zero
vsetvli zero, zero, e8, m1, ta, ma
vnclipu.wi v0, v2, 0
vsetivli zero, 4, e8, mf4, ta, ma
vsse32.v v0, (a0), a1
ret
endfunc
inv_trans_dc 8, 8, 64, 4, f2
inv_trans_dc 4, 8, 64, 2, f4
inv_trans_dc 8, 4, 32, 2, f2
inv_trans_dc 4, 4, 32, 1, f4
.variant_cc ff_vc1_inv_trans_8_rvv
func ff_vc1_inv_trans_8_rvv, zve32x