RISC-V: Update comments for FP rounding related autovec

Some comment is out of date, this patch would like to fix it.

gcc/ChangeLog:

	* config/riscv/autovec.md: Update comments.

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

diff --git a/gcc/config/riscv/autovec.md b/gcc/config/riscv/autovec.md
index 056f2c352f6b34224cd1d9543cddfea218b5f5ec..53e9d34eea1f5c3a2cbc993840673b06b915c848 100644 (file)
--- a/gcc/config/riscv/autovec.md
+++ b/gcc/config/riscv/autovec.md
@@ -2229,12 +2229,16 @@
 })
 
 ;; -------------------------------------------------------------------------
-;; ---- [FP] Math.h.
+;; ---- [FP] Rounding.
 ;; -------------------------------------------------------------------------
 ;; Includes:
 ;; - ceil/ceilf
 ;; - floor/floorf
 ;; - nearbyint/nearbyintf
+;; - rint/rintf
+;; - round/roundf
+;; - trunc/truncf
+;; - roundeven/roundevenf
 ;; -------------------------------------------------------------------------
 (define_expand "ceil<mode>2"
   [(match_operand:V_VLSF 0 "register_operand")