[PATCH] riscv: vector: fix xtheadvector save/restore

[Han Gao]

Fix [1] save/restore vector register error

Link: https://lore.kernel.org/all/20241113-xtheadvector-v11-9-236c22791ef9@rivosinc.com/ [1]

Signed-off-by: Han Gao <rabenda.cn at gmail.com>
---
 arch/riscv/include/asm/vector.h | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/riscv/include/asm/vector.h b/arch/riscv/include/asm/vector.h
index e8a83f55be2b..7df6355023a3 100644
--- a/arch/riscv/include/asm/vector.h
+++ b/arch/riscv/include/asm/vector.h
@@ -200,11 +200,11 @@ static inline void __riscv_v_vstate_save(struct __riscv_v_ext_state *save_to,
 			THEAD_VSETVLI_T4X0E8M8D1
 			THEAD_VSB_V_V0T0
 			"add		t0, t0, t4\n\t"
-			THEAD_VSB_V_V0T0
+			THEAD_VSB_V_V8T0
 			"add		t0, t0, t4\n\t"
-			THEAD_VSB_V_V0T0
+			THEAD_VSB_V_V16T0
 			"add		t0, t0, t4\n\t"
-			THEAD_VSB_V_V0T0
+			THEAD_VSB_V_V24T0
 			: : "r" (datap) : "memory", "t0", "t4");
 	} else {
 		asm volatile (
@@ -236,11 +236,11 @@ static inline void __riscv_v_vstate_restore(struct __riscv_v_ext_state *restore_
 			THEAD_VSETVLI_T4X0E8M8D1
 			THEAD_VLB_V_V0T0
 			"add		t0, t0, t4\n\t"
-			THEAD_VLB_V_V0T0
+			THEAD_VLB_V_V8T0
 			"add		t0, t0, t4\n\t"
-			THEAD_VLB_V_V0T0
+			THEAD_VLB_V_V16T0
 			"add		t0, t0, t4\n\t"
-			THEAD_VLB_V_V0T0
+			THEAD_VLB_V_V24T0
 			: : "r" (datap) : "memory", "t0", "t4");
 	} else {
 		asm volatile (
-- 
2.47.2