@@ -25,6 +25,8 @@
#include "libavutil/cpu.h"
#include "libavutil/fixed_dsp.h"
+void ff_vector_fmul_fixed_rvv(int *dst, const int *src0, const int *src1,
+ int len);
void ff_vector_fmul_reverse_fixed_rvv(int *dst, const int *src0,
const int *src1, int len);
void ff_vector_fmul_add_fixed_rvv(int *dst, const int *src0, const int *src1,
@@ -38,6 +40,7 @@ av_cold void ff_fixed_dsp_init_riscv(AVFixedDSPContext *fdsp)
int flags = av_get_cpu_flags();
if ((flags & AV_CPU_FLAG_RVV_I32) && (flags & AV_CPU_FLAG_RVB_ADDR)) {
+ fdsp->vector_fmul = ff_vector_fmul_fixed_rvv;
fdsp->vector_fmul_reverse = ff_vector_fmul_reverse_fixed_rvv;
fdsp->vector_fmul_add = ff_vector_fmul_add_fixed_rvv;
@@ -20,6 +20,23 @@
#include "asm.S"
+func ff_vector_fmul_fixed_rvv, zve32x
+ csrwi vxrm, 0
+1:
+ vsetvli t0, a3, e32, m4, ta, ma
+ vle32.v v16, (a1)
+ sub a3, a3, t0
+ vle32.v v24, (a2)
+ sh2add a1, t0, a1
+ vsmul.vv v8, v16, v24
+ sh2add a2, t0, a2
+ vse32.v v8, (a0)
+ sh2add a0, t0, a0
+ bnez a3, 1b
+
+ ret
+endfunc
+
func ff_vector_fmul_reverse_fixed_rvv, zve32x
csrwi vxrm, 0
vsetvli t0, zero, e16, m4, ta, ma