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lavc/idctdsp: improve R-V V put_signed_pixels_clamped

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This follows the same idea as with pixblockdsp, but applied at the
other end, whilst writing data at the end of the function.
This commit is contained in:
Rémi Denis-Courmont 2023-10-27 21:49:20 +03:00
parent 3ea2310e89
commit 600c6f1b55
1 changed files with 9 additions and 18 deletions
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27
libavcodec/riscv/idctdsp_rvv.S
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@ -42,24 +42,15 @@ func ff_put_pixels_clamped_rvv, zve32x
ret
endfunc
func ff_put_signed_pixels_clamped_rvv, zve32x
vsetivli zero, 8, e16, m1, ta, ma
vlseg8e16.v v24, (a0)
li t1, 128
vsetivli zero, 8, e8, mf2, ta, ma
vnclip.wi v16, v24, 0
vnclip.wi v17, v25, 0
vnclip.wi v18, v26, 0
vnclip.wi v19, v27, 0
vnclip.wi v20, v28, 0
vnclip.wi v21, v29, 0
vnclip.wi v22, v30, 0
vnclip.wi v23, v31, 0
vsetvli t0, zero, e8, m8, ta, ma
vadd.vx v16, v16, t1
vsetivli zero, 8, e8, mf2, ta, ma
vssseg8e8.v v16, (a1), a2
func ff_put_signed_pixels_clamped_rvv, zve64x
li t0, 8 * 8
vsetvli zero, t0, e8, m4, ta, ma
vle16.v v24, (a0)
li t1, 128
vnclip.wi v16, v24, 0
vadd.vx v16, v16, t1
vsetivli zero, 8, e8, mf2, ta, ma
vsse64.v v16, (a1), a2
ret
endfunc