https://gcc.gnu.org/g:38d76a4e6033016b5e2dcaae57df67075a605edd
commit r16-3232-g38d76a4e6033016b5e2dcaae57df67075a605edd
Author: Pan Li <pan2...@intel.com>
Date: Sat Aug 16 16:08:23 2025 +0800
RISC-V: Update the comments of vx combine [NFC]
The supported insn of vx combine is out of date, update all
insn supported for now.
gcc/ChangeLog:
* config/riscv/autovec-opt.md: Add supported insn
of vx combine.
Signed-off-by: Pan Li <pan2...@intel.com>
Diff:
---
gcc/config/riscv/autovec-opt.md | 20 ++++++++++++++++++++
1 file changed, 20 insertions(+)
diff --git a/gcc/config/riscv/autovec-opt.md b/gcc/config/riscv/autovec-opt.md
index f1e592b46b52..ed0280fa987f 100644
--- a/gcc/config/riscv/autovec-opt.md
+++ b/gcc/config/riscv/autovec-opt.md
@@ -1679,6 +1679,26 @@
;; Combine vec_duplicate + op.vv to op.vx
;; Include
;; - vadd.vx
+;; - vsub.vx
+;; - vrsub.vx
+;; - vand.vx
+;; - vor.vx
+;; - vmul.vx
+;; - vdiv.vx
+;; - vdivu.vx
+;; - vrem.vx
+;; - vremu.vx
+;; - vmax.vx
+;; - vmaxu.vx
+;; - vmin.vx
+;; - vminu.vx
+;; - vsadd.vx
+;; - vsaddu.vx
+;; - vssub.vx
+;; - vssubu.vx
+;; - vaadd.vx
+;; - vaaddu.vx
+;; - vmerge.vxm
;;
=============================================================================
(define_insn_and_split "*<optab>_vx_<mode>"
[(set (match_operand:V_VLSI 0 "register_operand")
