Richi has asked the we break the wide-int patch so that the individual port and
front end maintainers can review their parts without have to go through the
entire patch. This patch covers the reload code.
Ok?
* postreload.c
(reload_cse_simplify_set): Use wide-int interfaces.
diff --git a/gcc/postreload.c b/gcc/postreload.c
index b0c6342..7803b33 100644
--- a/gcc/postreload.c
+++ b/gcc/postreload.c
@@ -295,27 +295,27 @@ reload_cse_simplify_set (rtx set, rtx insn)
#ifdef LOAD_EXTEND_OP
if (extend_op != UNKNOWN)
{
- HOST_WIDE_INT this_val;
+ wide_int result;
- /* ??? I'm lazy and don't wish to handle CONST_DOUBLE. Other
- constants, such as SYMBOL_REF, cannot be extended. */
- if (!CONST_INT_P (this_rtx))
+ if (!CONST_SCALAR_INT_P (this_rtx))
continue;
- this_val = INTVAL (this_rtx);
switch (extend_op)
{
case ZERO_EXTEND:
- this_val &= GET_MODE_MASK (GET_MODE (src));
+ result = wide_int::from (std::make_pair (this_rtx,
+ GET_MODE (src)),
+ BITS_PER_WORD, UNSIGNED);
break;
case SIGN_EXTEND:
- /* ??? In theory we're already extended. */
- if (this_val == trunc_int_for_mode (this_val, GET_MODE (src)))
- break;
+ result = wide_int::from (std::make_pair (this_rtx,
+ GET_MODE (src)),
+ BITS_PER_WORD, SIGNED);
+ break;
default:
gcc_unreachable ();
}
- this_rtx = GEN_INT (this_val);
+ this_rtx = immed_wide_int_const (result, word_mode);
}
#endif
this_cost = set_src_cost (this_rtx, speed);
