From: Richard Stallman <rms@gnu.org>
Date: Tue, 2 Jun 1992 21:35:27 +0000 (+0000)
Subject: *** empty log message ***
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=9797b9e8f080242377c8534a64c039b3998d8b39;p=gcc.git

*** empty log message ***

From-SVN: r1142
---

diff --git a/gcc/combine.c b/gcc/combine.c
index 492987f708d..6f5c5e97ca1 100644
--- a/gcc/combine.c
+++ b/gcc/combine.c
@@ -3085,7 +3085,9 @@ subst (x, from, to, in_dest, unique_copy)
       /* If we have (if_then_else FOO (pc) (label_ref BAR)) and FOO can be
 	 reversed, do so to avoid needing two sets of patterns for
 	 subtract-and-branch insns.  */
-      if (XEXP (x, 1) == pc_rtx && reversible_comparison_p (XEXP (x, 0)))
+      if (XEXP (x, 1) == pc_rtx
+	  && GET_RTX_CLASS (GET_CODE (XEXP (x, 0))) == '<'
+	  && reversible_comparison_p (XEXP (x, 0)))
 	{
 	  SUBST (XEXP (x, 0),
 		 gen_rtx_combine (reverse_condition (GET_CODE (XEXP (x, 0))),