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| author | Geoff Hill <geoff@geoffhill.org> | 2024-04-06 07:26:13 -0700 |
|---|---|---|
| committer | Martin Storsjö <martin@martin.st> | 2024-04-08 13:36:40 +0300 |
| commit | ee1bc723de4cc7038cd414964471888e384de492 (patch) | |
| tree | c7c0b2d04831294851af4f7833ecf3323a51367d | |
| parent | 42e88f18f30c275f52cea001b33ca62d8a3ff2d1 (diff) | |
| download | ffmpeg-ee1bc723de4cc7038cd414964471888e384de492.tar.gz | |
avcodec/ac3: Implement sum_square_butterfly_float for aarch64 NEON
Signed-off-by: Geoff Hill <geoff@geoffhill.org>
Signed-off-by: Martin Storsjö <martin@martin.st>
| -rw-r--r-- | libavcodec/aarch64/ac3dsp_init_aarch64.c | 5 | ||||
| -rw-r--r-- | libavcodec/aarch64/ac3dsp_neon.S | 30 | ||||
| -rw-r--r-- | tests/checkasm/ac3dsp.c | 26 |
3 files changed, 61 insertions, 0 deletions
diff --git a/libavcodec/aarch64/ac3dsp_init_aarch64.c b/libavcodec/aarch64/ac3dsp_init_aarch64.c index e95436c651..e367353e11 100644 --- a/libavcodec/aarch64/ac3dsp_init_aarch64.c +++ b/libavcodec/aarch64/ac3dsp_init_aarch64.c @@ -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; } diff --git a/libavcodec/aarch64/ac3dsp_neon.S b/libavcodec/aarch64/ac3dsp_neon.S index 77f9d20275..20beb6cc50 100644 --- a/libavcodec/aarch64/ac3dsp_neon.S +++ b/libavcodec/aarch64/ac3dsp_neon.S @@ -87,3 +87,33 @@ function ff_ac3_sum_square_butterfly_int32_neon, export=1 st1 {v0.1d-v3.1d}, [x0] ret endfunc + +function ff_ac3_sum_square_butterfly_float_neon, export=1 + movi v0.4s, #0 + movi v1.4s, #0 + movi v2.4s, #0 + movi v3.4s, #0 +1: ld1 {v30.4s}, [x1], #16 + ld1 {v31.4s}, [x2], #16 + fadd v16.4s, v30.4s, v31.4s + fsub v17.4s, v30.4s, v31.4s + fmla v0.4s, v30.4s, v30.4s + fmla v1.4s, v31.4s, v31.4s + fmla v2.4s, v16.4s, v16.4s + fmla v3.4s, v17.4s, v17.4s + subs w3, w3, #4 + b.gt 1b + 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] + ret +endfunc diff --git a/tests/checkasm/ac3dsp.c b/tests/checkasm/ac3dsp.c index 573a76c764..442e965f3b 100644 --- a/tests/checkasm/ac3dsp.c +++ b/tests/checkasm/ac3dsp.c @@ -165,6 +165,31 @@ 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; @@ -174,4 +199,5 @@ 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); } |