lavc/vp8dsp: R-V V vp8_idct_dc_add4uv

c908: vp8_idct_dc_add4uv_c: 387.7 vp8_idct_dc_add4uv_rvv_i32: 134.5

sunyuechi committed 2 years ago

Commit d897bbb1 parent e74e18c2 files · +17 −0Browse files

Unified · Split

2 files

libavcodec/riscv/vp8dsp_init.c +4 −0
libavcodec/riscv/vp8dsp_rvv.S +13 −0

libavcodec/riscv/vp8dsp_init.c+4−0

@@ -27,6 +27,7 @@ · 26 unmodified lines
27	27
28	28	void ff_vp8_idct_dc_add_rvv(uint8_t *dst, int16_t block[16], ptrdiff_t stride);
29	29	void ff_vp8_idct_dc_add4y_rvv(uint8_t *dst, int16_t block[4][16], ptrdiff_t stride);
	30	+void ff_vp8_idct_dc_add4uv_rvv(uint8_t *dst, int16_t block[4][16], ptrdiff_t stride);
30	31
31	32	av_cold void ff_vp8dsp_init_riscv(VP8DSPContext *c)
32	33	{
@@ -36,6 +37,9 @@ av_cold void ff_vp8dsp_init_riscv(VP8DSPContext *c) · 3 unmodified lines
36	37	if (flags & AV_CPU_FLAG_RVV_I32 && ff_get_rv_vlenb() >= 16) {
37	38	c->vp8_idct_dc_add = ff_vp8_idct_dc_add_rvv;
38	39	c->vp8_idct_dc_add4y = ff_vp8_idct_dc_add4y_rvv;
	40	+ if (flags & AV_CPU_FLAG_RVB_ADDR) {
	41	+ c->vp8_idct_dc_add4uv = ff_vp8_idct_dc_add4uv_rvv;
	42	+ }
39	43	}
40	44	#endif
41	45	}

libavcodec/riscv/vp8dsp_rvv.S+13−0

@@ -58,3 +58,16 @@ func ff_vp8_idct_dc_add4y_rvv, zve32x · 57 unmodified lines
58	58
59	59	ret
60	60	endfunc
	61	+
	62	+func ff_vp8_idct_dc_add4uv_rvv, zve32x
	63	+ vsetivli zero, 4, e8, mf4, ta, ma
	64	+ vp8_idct_dc_addy
	65	+ vp8_idct_dc_add
	66	+ addi a0, a0, -4
	67	+ sh2add a0, a2, a0
	68	+ addi a1, a1, 32
	69	+ vp8_idct_dc_addy
	70	+ vp8_idct_dc_add
	71	+
	72	+ ret
	73	+endfunc