RISC-V: Update the comments of riscv_v_ext_mode_p [NFC]

gcc/ChangeLog:

	* config/riscv/riscv.cc (riscv_v_ext_mode_p): Update the
	comments of predicate func riscv_v_ext_mode_p.

Signed-off-by: Pan Li <pan2.li@intel.com>

diff --git a/gcc/config/riscv/riscv.cc b/gcc/config/riscv/riscv.cc
index df9799d9c5e2da8fdcafca9adbdc1f6cb41d152d..f829014a58996e01c3b35a4bc313807975268d3c 100644 (file)
--- a/gcc/config/riscv/riscv.cc
+++ b/gcc/config/riscv/riscv.cc
@@ -1361,7 +1361,10 @@ riscv_v_ext_vls_mode_p (machine_mode mode)
   return false;
 }
 
-/* Return true if it is either RVV vector mode or RVV tuple mode.  */
+/* Return true if it is either of below modes.
+   1. RVV vector mode.
+   2. RVV tuple mode.
+   3. RVV vls mode.  */
 
 static bool
 riscv_v_ext_mode_p (machine_mode mode)