[PATCH] RISC-V: Remove FRM for vfncvt.rod instruction

[juzhe . zhong]

From: Juzhe-Zhong <juzhe.zh...@rivai.ai>

Apparently, vfncvt.rod rounding mode is encoded, so we don't need FRM.

gcc/ChangeLog:

        * config/riscv/vector.md: Remove FRM.

---
 gcc/config/riscv/vector.md | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/gcc/config/riscv/vector.md b/gcc/config/riscv/vector.md
index 3c4565dc775..cd41ebbb24f 100644
--- a/gcc/config/riscv/vector.md
+++ b/gcc/config/riscv/vector.md
@@ -7286,10 +7286,8 @@
             (match_operand 5 "const_int_operand"                  "  i,  i,  
i,  i,    i,    i")
             (match_operand 6 "const_int_operand"                  "  i,  i,  
i,  i,    i,    i")
             (match_operand 7 "const_int_operand"                  "  i,  i,  
i,  i,    i,    i")
-            (match_operand 8 "const_int_operand"                  "  i,  i,  
i,  i,    i,    i")
             (reg:SI VL_REGNUM)
-            (reg:SI VTYPE_REGNUM)
-            (reg:SI FRM_REGNUM)] UNSPEC_VPREDICATE)
+            (reg:SI VTYPE_REGNUM)] UNSPEC_VPREDICATE)
          (unspec:<V_DOUBLE_TRUNC>
            [(float_truncate:<V_DOUBLE_TRUNC>
               (match_operand:VWEXTF 3 "register_operand"          "  0,  0,  
0,  0,   vr,   vr"))] UNSPEC_ROD)
-- 
2.36.1