avfilter/x86/af_afir: add FMA3 SIMD

Paul B Mahol committed 3 years ago

Commit c5effe71 parent 5f810432 files · +32 −0Browse files

Showing the changes to libavfilter (2 of 2 files). Show all

Unified · Split

2 files

@@ -67,3 +67,30 @@ INIT_XMM sse3 · 66 unmodified lines
67	67	FCMUL_ADD
68	68	INIT_YMM avx
69	69	FCMUL_ADD
	70	+
	71	+%if HAVE_FMA3_EXTERNAL
	72	+INIT_YMM fma3
	73	+cglobal fcmul_add, 4,4,4, sum, t, c, len
	74	+ shl lend, 3
	75	+ add tq, lenq
	76	+ add cq, lenq
	77	+ add sumq, lenq
	78	+ neg lenq
	79	+.loop:
	80	+ movaps m0, [tq + lenq]
	81	+ movaps m1, [cq + lenq]
	82	+ vpermilps m3, m0, 177
	83	+ vpermilps m2, m1, 160
	84	+ vpermilps m1, m1, 245
	85	+ mulps m1, m1, m3
	86	+ vfmaddsub132ps m0, m1, m2
	87	+ addps m0, m0, [sumq + lenq]
	88	+ movaps [sumq + lenq], m0
	89	+ add lenq, mmsize
	90	+ jl .loop
	91	+ movss xm0, [tq + lenq]
	92	+ mulss xm0, [cq + lenq]
	93	+ addss xm0, [sumq + lenq]
	94	+ movss [sumq + lenq], xm0
	95	+ RET
	96	+%endif

@@ -26,6 +26,8 @@ void ff_fcmul_add_sse3(float sum, const float t, const float *c, · 25 unmodified lines
26	26	ptrdiff_t len);
27	27	void ff_fcmul_add_avx(float sum, const float t, const float *c,
28	28	ptrdiff_t len);
	29	+void ff_fcmul_add_fma3(float sum, const float t, const float *c,
	30	+ ptrdiff_t len);
29	31
30	32	av_cold void ff_afir_init_x86(AudioFIRDSPContext *s)
31	33	{
@@ -37,4 +39,7 @@ av_cold void ff_afir_init_x86(AudioFIRDSPContext *s) · 5 unmodified lines
37	39	if (EXTERNAL_AVX_FAST(cpu_flags)) {
38	40	s->fcmul_add = ff_fcmul_add_avx;
39	41	}
	42	+ if (EXTERNAL_FMA3_FAST(cpu_flags)) {
	43	+ s->fcmul_add = ff_fcmul_add_fma3;
	44	+ }
40	45	}

Keyboard shortcuts