i386.c (ix86_modes_tieable_p): Fix typo, use also size of mode1 to check for…

i386.c (ix86_modes_tieable_p): Fix typo, use also size of mode1 to check for tieable modes in MMX case.

	* config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
	size of mode1 to check for tieable modes in MMX case.

From-SVN: r122429

gcc/ChangeLog

+2007-03-01  Uros Bizjak  <ubizjak@gmail.com>
+
+	* config/i386/i386.c (ix86_modes_tieable_p): Fix typo, use also
+	size of mode1 to check for tieable modes in MMX case.
+
 2007-03-01  Richard Sandiford  <richard@codesourcery.com>
 
 	* Makefile.in (rtlanal.o): Depend on tree.h.

gcc/config/i386/i386.c

@@ -18792,7 +18792,7 @@ ix86_modes_tieable_p (enum machine_mode mode1, enum machine_mode mode2)
      with any other mode acceptable to MMX registers.  */
   if (GET_MODE_SIZE (mode2) == 8
       && ix86_hard_regno_mode_ok (FIRST_MMX_REG, mode2))
-    return (GET_MODE_SIZE (mode2) == 8
+    return (GET_MODE_SIZE (mode1) == 8
 	    && ix86_hard_regno_mode_ok (FIRST_MMX_REG, mode1));
 
   return false;