@@ -32,6 +32,10 @@ void ff_ac3_sum_square_butterfly_int32_neon(int64_t sum[4],
const int32_t *coef0,
const int32_t *coef1,
int len);
+void ff_ac3_sum_square_butterfly_float_neon(float sum[4],
+ const float *coef0,
+ const float *coef1,
+ int len);
av_cold void ff_ac3dsp_init_aarch64(AC3DSPContext *c)
{
@@ -42,4 +46,5 @@ av_cold void ff_ac3dsp_init_aarch64(AC3DSPContext *c)
c->extract_exponents = ff_ac3_extract_exponents_neon;
c->float_to_fixed24 = ff_float_to_fixed24_neon;
c->sum_square_butterfly_int32 = ff_ac3_sum_square_butterfly_int32_neon;
+ c->sum_square_butterfly_float = ff_ac3_sum_square_butterfly_float_neon;
}
@@ -88,3 +88,38 @@ function ff_ac3_sum_square_butterfly_int32_neon, export=1
st1 {v0.1d-v3.1d}, [x0]
1: ret
endfunc
+
+function ff_ac3_sum_square_butterfly_float_neon, export=1
+ cbz w3, 1f
+ movi v0.4s, #0
+ movi v1.4s, #0
+ movi v2.4s, #0
+ movi v3.4s, #0
+0: ld1 {v30.4s}, [x1], #16
+ ld1 {v31.4s}, [x2], #16
+ fadd v16.4s, v30.4s, v31.4s
+ fsub v17.4s, v30.4s, v31.4s
+ fmul v30.4s, v30.4s, v30.4s
+ fadd v0.4s, v0.4s, v30.4s
+ fmul v31.4s, v31.4s, v31.4s
+ fadd v1.4s, v1.4s, v31.4s
+ fmul v16.4s, v16.4s, v16.4s
+ fadd v2.4s, v2.4s, v16.4s
+ fmul v17.4s, v17.4s, v17.4s
+ fadd v3.4s, v3.4s, v17.4s
+ subs w3, w3, #4
+ b.gt 0b
+ faddp v0.4s, v0.4s, v0.4s
+ faddp v0.2s, v0.2s, v0.2s
+ st1 {v0.s}[0], [x0], #4
+ faddp v1.4s, v1.4s, v1.4s
+ faddp v1.2s, v1.2s, v1.2s
+ st1 {v1.s}[0], [x0], #4
+ faddp v2.4s, v2.4s, v2.4s
+ faddp v2.2s, v2.2s, v2.2s
+ st1 {v2.s}[0], [x0], #4
+ faddp v3.4s, v3.4s, v3.4s
+ faddp v3.2s, v3.2s, v3.2s
+ st1 {v3.s}[0], [x0]
+1: ret
+endfunc
@@ -162,6 +162,31 @@ static void check_ac3_sum_square_butterfly_int32(AC3DSPContext *c) {
report("ac3_sum_square_butterfly_int32");
}
+static void check_ac3_sum_square_butterfly_float(AC3DSPContext *c) {
+ LOCAL_ALIGNED_32(float, lt, [ELEMS]);
+ LOCAL_ALIGNED_32(float, rt, [ELEMS]);
+ LOCAL_ALIGNED_16(float, v1, [4]);
+ LOCAL_ALIGNED_16(float, v2, [4]);
+
+ declare_func(void, float[4], const float *, const float *, int);
+
+ randomize_float(lt, ELEMS);
+ randomize_float(rt, ELEMS);
+
+ if (check_func(c->sum_square_butterfly_float,
+ "ac3_sum_square_bufferfly_float")) {
+ call_ref(v1, lt, rt, ELEMS);
+ call_new(v2, lt, rt, ELEMS);
+
+ if (!float_near_ulp_array(v1, v2, 10, 4))
+ fail();
+
+ bench_new(v2, lt, rt, ELEMS);
+ }
+
+ report("ac3_sum_square_butterfly_float");
+}
+
void checkasm_check_ac3dsp(void)
{
AC3DSPContext c;
@@ -171,4 +196,5 @@ void checkasm_check_ac3dsp(void)
check_ac3_extract_exponents(&c);
check_float_to_fixed24(&c);
check_ac3_sum_square_butterfly_int32(&c);
+ check_ac3_sum_square_butterfly_float(&c);
}
Signed-off-by: Geoff Hill <geoff@geoffhill.org> --- libavcodec/aarch64/ac3dsp_init_aarch64.c | 5 ++++ libavcodec/aarch64/ac3dsp_neon.S | 35 ++++++++++++++++++++++++ tests/checkasm/ac3dsp.c | 26 ++++++++++++++++++ 3 files changed, 66 insertions(+)