According to the ISA spec of Zvfofp4min extension,
"The Zvfofp4min extension requires on the Zve32f extension."

Signed-off-by: Max Chou <max.chou@sifive.com>
---
 target/riscv/cpu.c                | 1 +
 target/riscv/cpu_cfg_fields.h.inc | 1 +
 target/riscv/tcg/tcg-cpu.c        | 5 +++++
 3 files changed, 7 insertions(+)

diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c
index c8cb3d021d..7823508615 100644
--- a/target/riscv/cpu.c
+++ b/target/riscv/cpu.c
@@ -194,6 +194,7 @@ const RISCVIsaExtData isa_edata_arr[] = {
     ISA_EXT_DATA_ENTRY(zvfbfwma, PRIV_VERSION_1_12_0, ext_zvfbfwma),
     ISA_EXT_DATA_ENTRY(zvfh, PRIV_VERSION_1_12_0, ext_zvfh),
     ISA_EXT_DATA_ENTRY(zvfhmin, PRIV_VERSION_1_12_0, ext_zvfhmin),
+    ISA_EXT_DATA_ENTRY(zvfofp4min, PRIV_VERSION_1_12_0, ext_zvfofp4min),
     ISA_EXT_DATA_ENTRY(zvfofp8min, PRIV_VERSION_1_12_0, ext_zvfofp8min),
     ISA_EXT_DATA_ENTRY(zvkb, PRIV_VERSION_1_12_0, ext_zvkb),
     ISA_EXT_DATA_ENTRY(zvkg, PRIV_VERSION_1_12_0, ext_zvkg),
diff --git a/target/riscv/cpu_cfg_fields.h.inc b/target/riscv/cpu_cfg_fields.h.inc
index 59302894af..353a932c36 100644
--- a/target/riscv/cpu_cfg_fields.h.inc
+++ b/target/riscv/cpu_cfg_fields.h.inc
@@ -104,6 +104,7 @@ BOOL_FIELD(ext_zvfbfmin)
 BOOL_FIELD(ext_zvfbfwma)
 BOOL_FIELD(ext_zvfh)
 BOOL_FIELD(ext_zvfhmin)
+BOOL_FIELD(ext_zvfofp4min)
 BOOL_FIELD(ext_zvfofp8min)
 BOOL_FIELD(ext_smaia)
 BOOL_FIELD(ext_ssaia)
diff --git a/target/riscv/tcg/tcg-cpu.c b/target/riscv/tcg/tcg-cpu.c
index ba89436f13..b1097e55a3 100644
--- a/target/riscv/tcg/tcg-cpu.c
+++ b/target/riscv/tcg/tcg-cpu.c
@@ -715,6 +715,11 @@ void riscv_cpu_validate_set_extensions(RISCVCPU *cpu, Error **errp)
         return;
     }
 
+    if (cpu->cfg.ext_zvfofp4min && !cpu->cfg.ext_zve32f) {
+        error_setg(errp, "Zvfofp4min extension depends on Zve32f extension");
+        return;
+    }
+
     if (cpu->cfg.ext_zvfh && !cpu->cfg.ext_zfhmin) {
         error_setg(errp, "Zvfh extensions requires Zfhmin extension");
         return;
-- 
2.52.0