[RFC v3 18/71] target/riscv: rvv-1.0: apply nanbox helper in opfvf_trans

[frank . chang]

From: Frank Chang <frank.chang@sifive.com>

Signed-off-by: Frank Chang <frank.chang@sifive.com>
---
 target/riscv/insn_trans/trans_rvv.inc.c | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/target/riscv/insn_trans/trans_rvv.inc.c 
b/target/riscv/insn_trans/trans_rvv.inc.c
index 525aff06815..8a6050f6b32 100644
--- a/target/riscv/insn_trans/trans_rvv.inc.c
+++ b/target/riscv/insn_trans/trans_rvv.inc.c
@@ -2156,6 +2156,7 @@ static bool opfvf_trans(uint32_t vd, uint32_t rs1, 
uint32_t vs2,
 {
     TCGv_ptr dest, src2, mask;
     TCGv_i32 desc;
+    TCGv_i64 t1;
 
     TCGLabel *over = gen_new_label();
     tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_vl, 0, over);
@@ -2169,12 +2170,17 @@ static bool opfvf_trans(uint32_t vd, uint32_t rs1, 
uint32_t vs2,
     tcg_gen_addi_ptr(src2, cpu_env, vreg_ofs(s, vs2));
     tcg_gen_addi_ptr(mask, cpu_env, vreg_ofs(s, 0));
 
-    fn(dest, mask, cpu_fpr[rs1], src2, cpu_env, desc);
+    /* NaN-box f[rs1] */
+    t1 = tcg_temp_new_i64();
+    do_nanbox(s, t1, cpu_fpr[rs1]);
+
+    fn(dest, mask, t1, src2, cpu_env, desc);
 
     tcg_temp_free_ptr(dest);
     tcg_temp_free_ptr(mask);
     tcg_temp_free_ptr(src2);
     tcg_temp_free_i32(desc);
+    tcg_temp_free_i64(t1);
     mark_vs_dirty(s);
     gen_set_label(over);
     return true;
-- 
2.17.1