diff mbox series

[committed] RISC-V: Update RVV integer compare simplification comments

Message ID 20230511122641.2323840-1-pan2.li@intel.com
State New
Headers show
Series [committed] RISC-V: Update RVV integer compare simplification comments | expand

Commit Message

Li, Pan2 May 11, 2023, 12:26 p.m. UTC 
From: Pan Li <pan2.li@intel.com>

The VMSET simplification RVV integer comparision has merged already.
This patch would like to update the comments for the cases that the
define_split will act on.

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

gcc/ChangeLog:

	* config/riscv/vector.md: Add comments for simplifying to vmset.

Signed-off-by: Pan Li <pan2.li@intel.com>
---
 gcc/config/riscv/vector.md | 9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)
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Patch

diff --git a/gcc/config/riscv/vector.md b/gcc/config/riscv/vector.md
index 75479f27bcd..328fce8d632 100644
--- a/gcc/config/riscv/vector.md
+++ b/gcc/config/riscv/vector.md
@@ -8161,13 +8161,20 @@  (define_insn "@pred_indexed_<order>store<V64T:mode><V64I:mode>"
 ;; -----------------------------------------------------------------------------
 ;; ---- Integer Compare Instructions Simplification
 ;; -----------------------------------------------------------------------------
-;; Simplify to VMCLR.m Includes:
+;; Simplify OP(V, V) Instructions to VMCLR.m Includes:
 ;; - 1.  VMSNE
 ;; - 2.  VMSLT
 ;; - 3.  VMSLTU
 ;; - 4.  VMSGT
 ;; - 5.  VMSGTU
 ;; -----------------------------------------------------------------------------
+;; Simplify OP(V, V) Instructions to VMSET.m Includes:
+;; - 1.  VMSEQ
+;; - 2.  VMSLE
+;; - 3.  VMSLEU
+;; - 4.  VMSGE
+;; - 5.  VMSGEU
+;; -----------------------------------------------------------------------------
 (define_split
   [(set (match_operand:VB      0 "register_operand")
 	(if_then_else:VB