From: Jim Wilson <wilson@gcc.gnu.org>
Date: Tue, 23 Jun 1992 23:35:44 +0000 (-0700)
Subject: (print_operand): For '*', only annul branch if optimizing, to avoid dbx bug.
X-Git-Tag: misc/cutover-egcs-0~12684
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c6ce096931bca8b33812e9eb5f25d36990585f7b;p=thirdparty%2Fgcc.git

(print_operand): For '*', only annul branch if optimizing, to avoid dbx bug.

Add '(' to handle unoptimized case.

From-SVN: r1247
---

diff --git a/gcc/config/sparc/sparc.c b/gcc/config/sparc/sparc.c
index cb7d52bdc70a..3d453ca61a77 100644
--- a/gcc/config/sparc/sparc.c
+++ b/gcc/config/sparc/sparc.c
@@ -2708,9 +2708,18 @@ print_operand (file, x, code)
 	fputs ("\n\tnop", file);
       return;
     case '*':
-      /* Output an annul flag if there's nothing for the delay slot.  */
-      if (dbr_sequence_length () == 0)
-        fputs (",a", file);
+      /* Output an annul flag if there's nothing for the delay slot and we
+	 are optimizing.  This is always used with '(' below.  */
+      /* Sun OS 4.1.1 dbx can't handle an annulled unconditional branch;
+	 this is a dbx bug.  So, we only do this when optimizing.  */
+      if (dbr_sequence_length () == 0 && optimize)
+	fputs (",a", file);
+      return;
+    case '(':
+      /* Output a 'nop' if there's nothing for the delay slot and we are
+	 not optimizing.  This is always used with '*' above.  */
+      if (dbr_sequence_length () == 0 && ! optimize)
+	fputs ("\n\tnop", file);
       return;
     case 'Y':
       /* Adjust the operand to take into account a RESTORE operation.  */