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From: "ubizjak at gmail dot com" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug target/102057] [12 Regression] ICE at -O2 in
 extract_constrain_insn, at recog.c:2670
Date: Wed, 25 Aug 2021 09:45:37 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D102057

--- Comment #4 from Uro=C5=A1 Bizjak <ubizjak at gmail dot com> ---
Oooh, default argument!

--cut here--
diff --git a/gcc/config/i386/i386.md b/gcc/config/i386/i386.md
index 41d85623ad6..528116dfe2d 100644
--- a/gcc/config/i386/i386.md
+++ b/gcc/config/i386/i386.md
@@ -19475,8 +19472,8 @@
                                          (match_dup 0)))]
 {
   operands[7] =3D SET_DEST (XVECEXP (PATTERN (peep2_next_insn (1)), 0, 0));
-  operands[8] =3D replace_rtx (operands[5], operands[0], operands[1]);
-  operands[9] =3D replace_rtx (operands[6], operands[0], operands[1]);
+  operands[8] =3D replace_rtx (operands[5], operands[0], operands[1], true=
);
+  operands[9] =3D replace_rtx (operands[6], operands[0], operands[1], true=
);
 })

 ;; Eliminate a reg-reg mov by inverting the condition of a cmov (#2).
@@ -19507,8 +19504,8 @@
                                          (match_dup 0)))]
 {
   operands[7] =3D SET_DEST (XVECEXP (PATTERN (peep2_next_insn (2)), 0, 0));
-  operands[8] =3D replace_rtx (operands[5], operands[0], operands[1]);
-  operands[9] =3D replace_rtx (operands[6], operands[0], operands[1]);
+  operands[8] =3D replace_rtx (operands[5], operands[0], operands[1], true=
);
+  operands[9] =3D replace_rtx (operands[6], operands[0], operands[1], true=
);
 })

 (define_expand "mov<mode>cc"
--cut here--=