+2002-09-26 Ulrich Weigand <uweigand@de.ibm.com>
+
+ * reload.c (dup_replacements): New function.
+ (find_reloads): Use it to duplicate replacements at the top level
+ of match_dup operands.
+
2002-09-26 Miles Bader <miles@gnu.org>
* v850.md ("length"): Change default value to 4.
unsigned int));
static int reload_inner_reg_of_subreg PARAMS ((rtx, enum machine_mode));
static void push_replacement PARAMS ((rtx *, int, enum machine_mode));
+static void dup_replacements PARAMS ((rtx *, rtx *));
static void combine_reloads PARAMS ((void));
static int find_reusable_reload PARAMS ((rtx *, rtx, enum reg_class,
enum reload_type, int, int));
r->mode = mode;
}
}
+
+/* Duplicate any replacement we have recorded to apply at
+ location ORIG_LOC to also be performed at DUP_LOC.
+ This is used in insn patterns that use match_dup. */
+
+static void
+dup_replacements (dup_loc, orig_loc)
+ rtx *dup_loc;
+ rtx *orig_loc;
+{
+ int i, n = n_replacements;
+
+ for (i = 0; i < n; i++)
+ {
+ struct replacement *r = &replacements[i];
+ if (r->where == orig_loc)
+ push_replacement (dup_loc, r->what, r->mode);
+ }
+}
\f
/* Transfer all replacements that used to be in reload FROM to be in
reload TO. */
{
int opno = recog_data.dup_num[i];
*recog_data.dup_loc[i] = *recog_data.operand_loc[opno];
- if (operand_reloadnum[opno] >= 0)
- push_replacement (recog_data.dup_loc[i], operand_reloadnum[opno],
- insn_data[insn_code_number].operand[opno].mode);
+ dup_replacements (recog_data.dup_loc[i], recog_data.operand_loc[opno]);
}
#if 0