Commit baf6b738 authored by Mans Rullgard's avatar Mans Rullgard

ARM: NEON optimised vector_fmac_scalar()

Signed-off-by: 's avatarMans Rullgard <mans@mansr.com>
parent a92a1b93
......@@ -143,6 +143,8 @@ void ff_vector_fmul_window_neon(float *dst, const float *src0,
const float *src1, const float *win, int len);
void ff_vector_fmul_scalar_neon(float *dst, const float *src, float mul,
int len);
void ff_vector_fmac_scalar_neon(float *dst, const float *src, float mul,
int len);
void ff_butterflies_float_neon(float *v1, float *v2, int len);
float ff_scalarproduct_float_neon(const float *v1, const float *v2, int len);
void ff_vector_fmul_reverse_neon(float *dst, const float *src0,
......@@ -305,6 +307,7 @@ void ff_dsputil_init_neon(DSPContext *c, AVCodecContext *avctx)
c->vector_fmul = ff_vector_fmul_neon;
c->vector_fmul_window = ff_vector_fmul_window_neon;
c->vector_fmul_scalar = ff_vector_fmul_scalar_neon;
c->vector_fmac_scalar = ff_vector_fmac_scalar_neon;
c->butterflies_float = ff_butterflies_float_neon;
c->scalarproduct_float = ff_scalarproduct_float_neon;
c->vector_fmul_reverse = ff_vector_fmul_reverse_neon;
......
......@@ -587,6 +587,54 @@ NOVFP vdup.32 q8, r2
.unreq len
endfunc
function ff_vector_fmac_scalar_neon, export=1
VFP len .req r2
VFP acc .req r3
NOVFP len .req r3
NOVFP acc .req r2
VFP vdup.32 q15, d0[0]
NOVFP vdup.32 q15, r2
bics r12, len, #15
mov acc, r0
beq 3f
vld1.32 {q0}, [r1,:128]!
vld1.32 {q8}, [acc,:128]!
vld1.32 {q1}, [r1,:128]!
vld1.32 {q9}, [acc,:128]!
1: vmla.f32 q8, q0, q15
vld1.32 {q2}, [r1,:128]!
vld1.32 {q10}, [acc,:128]!
vmla.f32 q9, q1, q15
vld1.32 {q3}, [r1,:128]!
vld1.32 {q11}, [acc,:128]!
vmla.f32 q10, q2, q15
vst1.32 {q8}, [r0,:128]!
vmla.f32 q11, q3, q15
vst1.32 {q9}, [r0,:128]!
subs r12, r12, #16
beq 2f
vld1.32 {q0}, [r1,:128]!
vld1.32 {q8}, [acc,:128]!
vst1.32 {q10}, [r0,:128]!
vld1.32 {q1}, [r1,:128]!
vld1.32 {q9}, [acc,:128]!
vst1.32 {q11}, [r0,:128]!
b 1b
2: vst1.32 {q10}, [r0,:128]!
vst1.32 {q11}, [r0,:128]!
ands len, len, #15
it eq
bxeq lr
3: vld1.32 {q0}, [r1,:128]!
vld1.32 {q8}, [acc,:128]!
vmla.f32 q8, q0, q15
vst1.32 {q8}, [r0,:128]!
subs len, len, #4
bgt 3b
bx lr
.unreq len
endfunc
function ff_butterflies_float_neon, export=1
1: vld1.32 {q0},[r0,:128]
vld1.32 {q1},[r1,:128]
......
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment