| Message ID | CAEa-L+tx-_eDag6ney7ZyhLCLe2zn_otJvQZ5dZoWzELDWdVrw@mail.gmail.com |
|---|---|
| State | New |
| Headers | show |
| Series | [FFmpeg-devel,1/3] lavc/vp8dsp: R-V V vp8_idct_dc_add | expand |
| Context | Check | Description |
|---|---|---|
| andriy/configure_x86 | warning | Failed to apply patch |
| yinshiyou/configure_loongarch64 | warning | Failed to apply patch |
Hi, To avoid repeating the code, you can either use .repr or .irp. You can even use assembler conditionals to elide the redundant code on the last iteration.
Okay, updated it in the reply Rémi Denis-Courmont <remi@remlab.net> 于2024年2月13日周二 03:54写道： > Hi, > > To avoid repeating the code, you can either use .repr or .irp. You can > even > use assembler conditionals to elide the redundant code on the last > iteration. > > -- > レミ・デニ-クールモン > http://www.remlab.net/ > _______________________________________________ > ffmpeg-devel mailing list > ffmpeg-devel@ffmpeg.org > https://ffmpeg.org/mailman/listinfo/ffmpeg-devel > > To unsubscribe, visit link above, or email > ffmpeg-devel-request@ffmpeg.org with subject "unsubscribe". >
From 1388287e7fb00cae1709bc3b82bc373fff4cd0a8 Mon Sep 17 00:00:00 2001 From: sunyuechi <sunyuechi@iscas.ac.cn> Date: Fri, 2 Feb 2024 12:50:07 +0800 Subject: [PATCH 2/3] lavc/vp8dsp: R-V V vp8_idct_dc_add4y c908: vp8_idct_dc_add4y_c: 368.5 vp8_idct_dc_add4y_rvv_i32: 134.5 --- libavcodec/riscv/vp8dsp_init.c | 2 ++ libavcodec/riscv/vp8dsp_rvv.S | 16 ++++++++++++++++ 2 files changed, 18 insertions(+) diff --git a/libavcodec/riscv/vp8dsp_init.c b/libavcodec/riscv/vp8dsp_init.c index ab020070eb..6615d3d440 100644 --- a/libavcodec/riscv/vp8dsp_init.c +++ b/libavcodec/riscv/vp8dsp_init.c @@ -26,6 +26,7 @@ #include "libavcodec/vp8dsp.h" void ff_vp8_idct_dc_add_rvv(uint8_t *dst, int16_t block[16], ptrdiff_t stride); +void ff_vp8_idct_dc_add4y_rvv(uint8_t *dst, int16_t block[4][16], ptrdiff_t stride); av_cold void ff_vp8dsp_init_riscv(VP8DSPContext *c) { @@ -34,6 +35,7 @@ av_cold void ff_vp8dsp_init_riscv(VP8DSPContext *c) if (flags & AV_CPU_FLAG_RVV_I32 && ff_get_rv_vlenb() >= 16) { c->vp8_idct_dc_add = ff_vp8_idct_dc_add_rvv; + c->vp8_idct_dc_add4y = ff_vp8_idct_dc_add4y_rvv; } #endif } diff --git a/libavcodec/riscv/vp8dsp_rvv.S b/libavcodec/riscv/vp8dsp_rvv.S index 8609b79937..87c369fb16 100644 --- a/libavcodec/riscv/vp8dsp_rvv.S +++ b/libavcodec/riscv/vp8dsp_rvv.S @@ -36,9 +36,25 @@ vsse32.v v0, (a0), a2 .endm +.macro vp8_idct_dc_addy + vp8_idct_dc_add + addi a0, a0, 4 + addi a1, a1, 32 +.endm + func ff_vp8_idct_dc_add_rvv, zve32x vsetivli zero, 4, e8, mf4, ta, ma vp8_idct_dc_add ret endfunc + +func ff_vp8_idct_dc_add4y_rvv, zve32x + vsetivli zero, 4, e8, mf4, ta, ma + vp8_idct_dc_addy + vp8_idct_dc_addy + vp8_idct_dc_addy + vp8_idct_dc_add + + ret +endfunc -- 2.43.0