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lavc/aacpsdsp: RISC-V V mul_pair_single

This commit is contained in:
Rémi Denis-Courmont 2022-09-26 17:52:47 +03:00 committed by Lynne
parent b0cacf4c3f
commit e180326a0b
2 changed files with 22 additions and 1 deletions
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6
libavcodec/riscv/aacpsdsp_init.c
View File

@ -25,13 +25,17 @@
#include "libavcodec/aacpsdsp.h"
void ff_ps_add_squares_rvv(float *dst, const float (*src)[2], int n);
void ff_ps_mul_pair_single_rvv(float (*dst)[2], float (*src0)[2], float *src1,
int n);
av_cold void ff_psdsp_init_riscv(PSDSPContext *c)
{
#if HAVE_RVV
int flags = av_get_cpu_flags();
if (flags & AV_CPU_FLAG_RVV_F32)
if (flags & AV_CPU_FLAG_RVV_F32) {
c->add_squares = ff_ps_add_squares_rvv;
c->mul_pair_single = ff_ps_mul_pair_single_rvv;
}
#endif
}

17
libavcodec/riscv/aacpsdsp_rvv.S
View File

@ -35,3 +35,20 @@ func ff_ps_add_squares_rvv, zve32f
ret
endfunc
func ff_ps_mul_pair_single_rvv, zve32f
1:
vsetvli t0, a3, e32, m1, ta, ma
vlseg2e32.v v24, (a1)
sub a3, a3, t0
vle32.v v16, (a2)
sh3add a1, t0, a1
vfmul.vv v24, v24, v16
sh2add a2, t0, a2
vfmul.vv v25, v25, v16
vsseg2e32.v v24, (a0)
sh3add a0, t0, a0
bnez a3, 1b
ret
endfunc