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authorRémi Denis-Courmont <remi@remlab.net>2023-11-12 22:12:53 +0200
committerRémi Denis-Courmont <remi@remlab.net>2023-11-16 16:53:44 +0200
commitd076517056ca5914ecbb1bcbd50799615c568b4c (patch)
tree4b5432e5896832a758a6558793fa5bf398c49ca6 /libavcodec
parent45d0eb3f70feae559d6a164a02ed4c565077909f (diff)
downloadffmpeg-d076517056ca5914ecbb1bcbd50799615c568b4c.tar.gz
lavc/llauddsp: R-V V scalarproduct_and_madd_int32
scalarproduct_and_madd_int32_c: 10899.7 scalarproduct_and_madd_int32_rvv_i32: 1749.0
Diffstat (limited to 'libavcodec')
-rw-r--r--libavcodec/riscv/llauddsp_init.c4
-rw-r--r--libavcodec/riscv/llauddsp_rvv.S26
2 files changed, 30 insertions, 0 deletions
diff --git a/libavcodec/riscv/llauddsp_init.c b/libavcodec/riscv/llauddsp_init.c
index ea023f73e6..1924b36821 100644
--- a/libavcodec/riscv/llauddsp_init.c
+++ b/libavcodec/riscv/llauddsp_init.c
@@ -27,6 +27,9 @@
int32_t ff_scalarproduct_and_madd_int16_rvv(int16_t *v1, const int16_t *v2,
const int16_t *v3, int len,
int mul);
+int32_t ff_scalarproduct_and_madd_int32_rvv(int16_t *v1, const int32_t *v2,
+ const int16_t *v3, int len,
+ int mul);
av_cold void ff_llauddsp_init_riscv(LLAudDSPContext *c)
{
@@ -35,6 +38,7 @@ av_cold void ff_llauddsp_init_riscv(LLAudDSPContext *c)
if ((flags & AV_CPU_FLAG_RVV_I32) && (flags & AV_CPU_FLAG_RVB_ADDR)) {
c->scalarproduct_and_madd_int16 = ff_scalarproduct_and_madd_int16_rvv;
+ c->scalarproduct_and_madd_int32 = ff_scalarproduct_and_madd_int32_rvv;
}
#endif
}
diff --git a/libavcodec/riscv/llauddsp_rvv.S b/libavcodec/riscv/llauddsp_rvv.S
index 74adb338a9..5569864832 100644
--- a/libavcodec/riscv/llauddsp_rvv.S
+++ b/libavcodec/riscv/llauddsp_rvv.S
@@ -43,3 +43,29 @@ func ff_scalarproduct_and_madd_int16_rvv, zve32x
vmv.x.s a0, v0
ret
endfunc
+
+func ff_scalarproduct_and_madd_int32_rvv, zve32x
+ vsetvli t0, zero, e32, m8, ta, ma
+ vmv.v.x v0, zero
+1:
+ vsetvli t0, a3, e32, m8, tu, ma
+ vle16.v v8, (a0)
+ sub a3, a3, t0
+ vsext.vf2 v24, v8
+ vle32.v v16, (a1)
+ sh2add a1, t0, a1
+ vmacc.vv v0, v16, v24
+ vsetvli zero, zero, e16, m4, ta, ma
+ vle16.v v24, (a2)
+ sh1add a2, t0, a2
+ vmacc.vx v8, a4, v24
+ vse16.v v8, (a0)
+ sh1add a0, t0, a0
+ bnez a3, 1b
+
+ vsetvli t0, zero, e32, m8, ta, ma
+ vmv.s.x v8, zero
+ vredsum.vs v0, v0, v8
+ vmv.x.s a0, v0
+ ret
+endfunc