+2003-12-02 Geoffrey Keating <geoffk@geoffk.org>
+
+ * df.c (df_uses_record) <MEM>: The argument of a MEM is read-only,
+ never read-write.
+ <REG>: Delete incorrect comment.
+ <SET>: Remove 'use_flags' variable.
+
2003-12-03 David Edelsohn <edelsohn@gnu.org>
* function.c (assign_parms): Make sure parm PARALLEL combined
return;
case MEM:
- df_uses_record (df, &XEXP (x, 0), DF_REF_REG_MEM_LOAD, bb, insn, flags);
+ df_uses_record (df, &XEXP (x, 0), DF_REF_REG_MEM_LOAD, bb, insn, 0);
return;
case SUBREG:
/* ... Fall through ... */
case REG:
- /* See a REG (or SUBREG) other than being set. */
df_ref_record (df, x, loc, insn, ref_type, flags);
return;
switch (GET_CODE (dst))
{
- enum df_ref_flags use_flags;
case SUBREG:
if ((df->flags & DF_FOR_REGALLOC) == 0
&& read_modify_subreg_p (dst))
{
- use_flags = DF_REF_READ_WRITE;
df_uses_record (df, &SUBREG_REG (dst), DF_REF_REG_USE, bb,
- insn, use_flags);
+ insn, DF_REF_READ_WRITE);
break;
}
/* ... FALLTHRU ... */
dst = XEXP (dst, 0);
if (GET_CODE (dst) != SUBREG)
abort ();
- use_flags = DF_REF_READ_WRITE;
df_uses_record (df, &SUBREG_REG (dst), DF_REF_REG_USE, bb,
- insn, use_flags);
+ insn, DF_REF_READ_WRITE);
break;
case ZERO_EXTRACT:
case SIGN_EXTRACT: