From: Richard Kenner <kenner@gcc.gnu.org>
Date: Thu, 10 Mar 1994 01:38:31 +0000 (-0500)
Subject: (movqi): Disable special-case of stack push if operand one is an
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=09b58bbd8b320a152e2e46ab9661d173846842b2;p=gcc.git

(movqi): Disable special-case of stack push if operand one is an
address register.

From-SVN: r6736
---

diff --git a/gcc/config/m68k/m68k.md b/gcc/config/m68k/m68k.md
index 187d5876980..a23732547b5 100644
--- a/gcc/config/m68k/m68k.md
+++ b/gcc/config/m68k/m68k.md
@@ -928,7 +928,8 @@
      of several bytes a byte at a time.  */
   if (GET_CODE (operands[0]) == MEM
       && GET_CODE (XEXP (operands[0], 0)) == PRE_DEC
-      && XEXP (XEXP (operands[0], 0), 0) == stack_pointer_rtx)
+      && XEXP (XEXP (operands[0], 0), 0) == stack_pointer_rtx
+      && ! ADDRESS_REG_P (operands[1]))
     {
       xoperands[1] = operands[1];
       xoperands[2]