From: Jeffrey A Law <law@cygnus.com>
Date: Fri, 23 Oct 1998 21:41:12 +0000 (+0000)
Subject: m68k.md (5200 movqi): Do not allow byte sized memory references using address regs.
X-Git-Tag: prereleases/egcs-1.1.1-pre~19
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7c668de3089597b368f7aae385515f6646d41f8c;p=thirdparty%2Fgcc.git

m68k.md (5200 movqi): Do not allow byte sized memory references using address regs.

        * m68k.md (5200 movqi): Do not allow byte sized memory references
        using address regs.
        * m68k.c (output_move_qimode): Do not use byte sized operations on
        address registers.

From-SVN: r23265
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 6d810e0a636f..cbd42d8a12cc 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,10 @@
+Fri Oct 23 22:38:57 1998  Jeffrey A Law  (law@cygnus.com)
+
+	* m68k.md (5200 movqi): Do not allow byte sized memory references
+	using address regs.
+	* m68k.c (output_move_qimode): Do not use byte sized operations on
+	address registers.
+
 Mon Oct 19 13:22:13 1998  Geoff Keating  <geoffk@ozemail.com.au>
 
         * loop.c (scan_loop): Be more selective about what invariants are 
diff --git a/gcc/config/m68k/m68k.c b/gcc/config/m68k/m68k.c
index 64bbe4a12984..971276477065 100644
--- a/gcc/config/m68k/m68k.c
+++ b/gcc/config/m68k/m68k.c
@@ -1670,10 +1670,9 @@ output_move_qimode (operands)
     }
   if (GET_CODE (operands[1]) != CONST_INT && CONSTANT_P (operands[1]))
     return "move%.l %1,%0";
-  /* 68k family doesn't support byte moves to from address registers.  The
-     5200 (coldfire) does not have this restriction.  */
-  if ((ADDRESS_REG_P (operands[0]) || ADDRESS_REG_P (operands[1]))
-      && ! TARGET_5200)
+  /* 68k family (including the 5200 coldfire) does not support byte moves to
+     from address registers.  */
+  if (ADDRESS_REG_P (operands[0]) || ADDRESS_REG_P (operands[1]))
     return "move%.w %1,%0";
   return "move%.b %1,%0";
 }
diff --git a/gcc/config/m68k/m68k.md b/gcc/config/m68k/m68k.md
index 98672df61b37..dfe0cbc313e8 100644
--- a/gcc/config/m68k/m68k.md
+++ b/gcc/config/m68k/m68k.md
@@ -1023,8 +1023,8 @@
   "* return output_move_qimode (operands);")
 
 (define_insn ""
-  [(set (match_operand:QI 0 "general_operand" "=d*a<Q>,d*am")
-	(match_operand:QI 1 "general_operand" "d*ami,d*a<Q>"))]
+  [(set (match_operand:QI 0 "general_operand" "=d<Q>,dm,d*a")
+	(match_operand:QI 1 "general_operand" "dmi,d<Q>,di*a"))]
   "TARGET_5200"
   "* return output_move_qimode (operands);")