From: Oleg Endo <olegendo@gcc.gnu.org>
Date: Sun, 3 Mar 2024 05:58:58 +0000 (+0900)
Subject: SH: Fix 101737
X-Git-Tag: releases/gcc-12.4.0~374
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bbae41dc9033d6f0a9f8bc56cc6f80d90286996c;p=thirdparty%2Fgcc.git

SH: Fix 101737

gcc/ChangeLog:
	PR target/101737
	* config/sh/sh.cc (sh_is_nott_insn): Handle case where the input
	is not an insn, but e.g. a code label.
---

diff --git a/gcc/config/sh/sh.cc b/gcc/config/sh/sh.cc
index 03e1c04ec7eb..494e4536251d 100644
--- a/gcc/config/sh/sh.cc
+++ b/gcc/config/sh/sh.cc
@@ -11766,7 +11766,8 @@ sh_insn_operands_modified_between_p (rtx_insn* operands_insn,
 bool
 sh_is_nott_insn (const rtx_insn* i)
 {
-  return i != NULL && GET_CODE (PATTERN (i)) == SET
+  return i != NULL_RTX && PATTERN (i) != NULL_RTX
+	 && GET_CODE (PATTERN (i)) == SET
 	 && t_reg_operand (XEXP (PATTERN (i), 0), VOIDmode)
 	 && negt_reg_operand (XEXP (PATTERN (i), 1), VOIDmode);
 }