From: Ju-Zhe Zhong <juzhe.zhong@rivai.ai>
Date: Wed, 18 Jan 2023 03:09:21 +0000 (+0800)
Subject: RISC-V: Fix bug of before_p function
X-Git-Tag: basepoints/gcc-14~1772
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=9b9a1ac14cdca6eef8dbcab0d33f3c03774a6c77;p=thirdparty%2Fgcc.git

RISC-V: Fix bug of before_p function

compare_with will return other than -1, so it should check less than 0
rather than check exactly with -1.

gcc/ChangeLog:

	* config/riscv/riscv-vsetvl.cc (before_p): Fix bug.
---

diff --git a/gcc/config/riscv/riscv-vsetvl.cc b/gcc/config/riscv/riscv-vsetvl.cc
index 45e14d0ff035..a18ccd72ab62 100644
--- a/gcc/config/riscv/riscv-vsetvl.cc
+++ b/gcc/config/riscv/riscv-vsetvl.cc
@@ -187,7 +187,7 @@ real_insn_and_same_bb_p (const insn_info *insn, const bb_info *bb)
 static bool
 before_p (const insn_info *insn1, const insn_info *insn2)
 {
-  return insn1->compare_with (insn2) == -1;
+  return insn1->compare_with (insn2) < 0;
 }
 
 static bool