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| author | Rémi Denis-Courmont <remi@remlab.net> | 2023-10-27 22:12:53 +0300 |
|---|---|---|
| committer | Rémi Denis-Courmont <remi@remlab.net> | 2023-10-30 18:14:16 +0200 |
| commit | d48810f3a58b4bf611ea4a75275334d30337e786 (patch) | |
| tree | e0ea8cf0bc6f452fbe030559e2665c850e8b2958 | |
| parent | 600c6f1b5575c5d8f3a6544d53dbff88a9cbe7fb (diff) | |
| download | ffmpeg-d48810f3a58b4bf611ea4a75275334d30337e786.tar.gz | |
lavc/idctdsp: improve R-V V add_pixels_clamped
| -rw-r--r-- | libavcodec/riscv/idctdsp_rvv.S | 28 |
1 files changed, 14 insertions, 14 deletions
diff --git a/libavcodec/riscv/idctdsp_rvv.S b/libavcodec/riscv/idctdsp_rvv.S index 4ff72f48d2..fafdddb174 100644 --- a/libavcodec/riscv/idctdsp_rvv.S +++ b/libavcodec/riscv/idctdsp_rvv.S @@ -23,7 +23,6 @@ func ff_put_pixels_clamped_rvv, zve32x vsetivli zero, 8, e16, m1, ta, ma vlseg8e16.v v24, (a0) -1: /* RVV only has signed-signed and unsigned-unsigned clipping. * We need two steps for signed-to-unsigned clipping. */ vsetvli t0, zero, e16, m8, ta, ma @@ -54,17 +53,18 @@ func ff_put_signed_pixels_clamped_rvv, zve64x ret endfunc -func ff_add_pixels_clamped_rvv, zve32x - vsetivli zero, 8, e8, mf2, ta, ma - vlseg8e16.v v24, (a0) - vlsseg8e8.v v16, (a1), a2 - vwaddu.wv v24, v24, v16 - vwaddu.wv v25, v25, v17 - vwaddu.wv v26, v26, v18 - vwaddu.wv v27, v27, v19 - vwaddu.wv v28, v28, v20 - vwaddu.wv v29, v29, v21 - vwaddu.wv v30, v30, v22 - vwaddu.wv v31, v31, v23 - j 1b +func ff_add_pixels_clamped_rvv, zve64x + vsetivli zero, 8, e8, mf2, ta, ma + li t0, 8 * 8 + vlse64.v v16, (a1), a2 + vsetvli zero, t0, e8, m4, ta, ma + vle16.v v24, (a0) + vwaddu.wv v24, v24, v16 + vsetvli zero, zero, e16, m8, ta, ma + vmax.vx v24, v24, zero + vsetvli zero, zero, e8, m4, ta, ma + vnclipu.wi v16, v24, 0 + vsetivli zero, 8, e8, mf2, ta, ma + vsse64.v v16, (a1), a2 + ret endfunc |