From: Richard Kenner <kenner@gcc.gnu.org>
Date: Sun, 24 Apr 1994 15:24:57 +0000 (-0400)
Subject: (try_split): Don't try to recursively split deleted insn.
X-Git-Tag: misc/cutover-egcs-0~6800
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=f4a3cd05d0baada37c17e49fdcf21ac313e5a387;p=thirdparty%2Fgcc.git

(try_split): Don't try to recursively split deleted insn.

From-SVN: r7143
---

diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c
index aa85898615aa..6c5b17aee2c3 100644
--- a/gcc/emit-rtl.c
+++ b/gcc/emit-rtl.c
@@ -2020,10 +2020,12 @@ try_split (pat, trial, last)
 	  /* Recursively call try_split for each new insn created; by the
 	     time control returns here that insn will be fully split, so
 	     set LAST and continue from the insn after the one returned.
-	     We can't use next_active_insn here since AFTER may be a note. */
+	     We can't use next_active_insn here since AFTER may be a note.
+	     Ignore deleted insns, which can be occur if not optimizing.  */
 	  for (tem = NEXT_INSN (before); tem != after;
 	       tem = NEXT_INSN (tem))
-	    tem = try_split (PATTERN (tem), tem, 1);
+	    if (! INSN_DELETED_P (tem))
+	      tem = try_split (PATTERN (tem), tem, 1);
 	}
       /* Avoid infinite loop if the result matches the original pattern.  */
       else if (rtx_equal_p (seq, pat))