[PATCH] target/riscv: Use check for relationship between Zdinx/Zhinx{min} and Zfinx

[Weiwei Li]

Zdinx/Zhinx{min} require Zfinx. And require relationship is usually done
by check currently.

Signed-off-by: Weiwei Li <liweiwei@iscas.ac.cn>
Signed-off-by: Junqiang Wang <wangjunqiang@iscas.ac.cn>
---
 target/riscv/cpu.c | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index 1a5099382c..35bee8ff42 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -930,8 +930,9 @@ static void riscv_cpu_validate_set_extensions(RISCVCPU 
*cpu, Error **errp)
         cpu->cfg.ext_zhinxmin = true;
     }
 
-    if (cpu->cfg.ext_zdinx || cpu->cfg.ext_zhinxmin) {
-        cpu->cfg.ext_zfinx = true;
+    if ((cpu->cfg.ext_zdinx || cpu->cfg.ext_zhinxmin) && !cpu->cfg.ext_zfinx) {
+        error_setg(errp, "Zdinx/Zhinx/Zhinxmin extensions require Zfinx");
+        return;
     }
 
     if (cpu->cfg.ext_zfinx) {
-- 
2.25.1