From 5aa486e7740a0bc83168d806806d1149e6e90310 Mon Sep 17 00:00:00 2001
From: Ju-Zhe Zhong <juzhe.zhong@rivai.ai>
Date: Wed, 18 Jan 2023 11:03:47 +0800
Subject: [PATCH] RISC-V: Reorder VSETVL pass location

Insert before dce means we don't invoke DCE by this pass itself, and
also we can leverage the effort of BB reorder.

gcc/ChangeLog:

	* config/riscv/riscv-passes.def (INSERT_PASS_BEFORE): Reorder VSETVL
	pass.
---
 gcc/config/riscv/riscv-passes.def | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gcc/config/riscv/riscv-passes.def b/gcc/config/riscv/riscv-passes.def
index e68de68..4084122 100644
--- a/gcc/config/riscv/riscv-passes.def
+++ b/gcc/config/riscv/riscv-passes.def
@@ -18,4 +18,4 @@
    <http://www.gnu.org/licenses/>.  */
 
 INSERT_PASS_AFTER (pass_rtl_store_motion, 1, pass_shorten_memrefs);
-INSERT_PASS_BEFORE (pass_sched2, 1, pass_vsetvl);
+INSERT_PASS_BEFORE (pass_fast_rtl_dce, 1, pass_vsetvl);
-- 
2.7.4