subreg is read/modify.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@61773
138bc75d-0d04-0410-961f-
82ee72b054a4
+Sat Jan 25 16:11:22 CET 2003 Jan Hubicka <jh@suse.cz>
+
+ * df.c (read_modify_subreg_p): When osize == UNITS_PER_WORD,
+ subreg is read/modify.
+
Sat Jan 25 15:55:08 CET 2003 Jan Hubicka <jh@suse.cz>
* i386.c (ix86_expand_movstr, ix86_expand_clrstr): Consistently
return true;
if (isize <= UNITS_PER_WORD)
return false;
- if (osize >= UNITS_PER_WORD)
+ if (osize > UNITS_PER_WORD)
return false;
return true;
}