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

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@@ -67,3 +67,30 @@ INIT_XMM sse3 · 66 unmodified lines
67	FCMUL_ADD	67	FCMUL_ADD
68	INIT_YMM avx	68	INIT_YMM avx
69	FCMUL_ADD	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

                        ptrdiff_t len);
 void ff_fcmul_add_avx(float *sum, const float *t, const float *c,
                       ptrdiff_t len);
+void ff_fcmul_add_fma3(float *sum, const float *t, const float *c,
+                       ptrdiff_t len);
 av_cold void ff_afir_init_x86(AudioFIRDSPContext *s)
 {
     if (EXTERNAL_AVX_FAST(cpu_flags)) {
         s->fcmul_add = ff_fcmul_add_avx;
     }
+    if (EXTERNAL_FMA3_FAST(cpu_flags)) {
+        s->fcmul_add = ff_fcmul_add_fma3;
+    }
 }

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