From ae72412aa83d8bd81a2e437030285c9c58004421 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?R=C3=A9mi=20Denis-Courmont?= Date: Fri, 27 Oct 2023 22:08:10 +0300 Subject: [PATCH] lavc/idctdsp: improve R-V V put_pixels_clamped --- libavcodec/riscv/idctdsp_rvv.S | 25 +++++++++---------------- 1 file changed, 9 insertions(+), 16 deletions(-) diff --git a/libavcodec/riscv/idctdsp_rvv.S b/libavcodec/riscv/idctdsp_rvv.S index fafdddb174..e93e6b5e7a 100644 --- a/libavcodec/riscv/idctdsp_rvv.S +++ b/libavcodec/riscv/idctdsp_rvv.S @@ -20,24 +20,17 @@ #include "libavutil/riscv/asm.S" -func ff_put_pixels_clamped_rvv, zve32x - vsetivli zero, 8, e16, m1, ta, ma - vlseg8e16.v v24, (a0) +func ff_put_pixels_clamped_rvv, zve64x + li t0, 8 * 8 + vsetvli zero, t0, e16, m8, ta, ma + vle16.v v24, (a0) /* 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 - vmax.vx v24, v24, zero - - vsetivli zero, 8, e8, mf2, ta, ma - vnclipu.wi v16, v24, 0 - vnclipu.wi v17, v25, 0 - vnclipu.wi v18, v26, 0 - vnclipu.wi v19, v27, 0 - vnclipu.wi v20, v28, 0 - vnclipu.wi v21, v29, 0 - vnclipu.wi v22, v30, 0 - vnclipu.wi v23, v31, 0 - vssseg8e8.v v16, (a1), a2 + 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