Although checkasm does not verify this, the decoder requires that the
transform updates the input block exactly like the C code does.
This fixes vc1-ism, vc1_ilaced_twomv, vc1_sa00040, vc1_sa10091,
vc1_sa10143, vc1_sa20021, vc1test_smm0005 and wmv3-drm-dec tests.
---
libavcodec/riscv/vc1dsp_rvv.S | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/libavcodec/riscv/vc1dsp_rvv.S b/libavcodec/riscv/vc1dsp_rvv.S
index ab10027ae5..c4517d54f5 100644
--- a/libavcodec/riscv/vc1dsp_rvv.S
+++ b/libavcodec/riscv/vc1dsp_rvv.S
@@ -380,12 +380,12 @@ func ff_vc1_inv_trans_4x4_rvv, zve32x
vlsseg4e16.v v0, (a2), a3
li t1, 3
jal t0, ff_vc1_inv_trans_4_rvv
- vsseg4e16.v v0, (a2)
- addi t1, a2, 1 * 4 * 2
+ vssseg4e16.v v0, (a2), a3
+ addi t1, a2, 2 * 4 * 2
vle16.v v0, (a2)
- addi t2, a2, 2 * 4 * 2
+ addi t2, a2, 4 * 4 * 2
vle16.v v1, (t1)
- addi t3, a2, 3 * 4 * 2
+ addi t3, a2, 6 * 4 * 2
vle16.v v2, (t2)
vle16.v v3, (t3)
li t1, 7
--
2.45.1
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