gcc/
PR rtl-optimization/37363
* simplify-rtx.c (simplify_plus_minus): Don't create (const (minus ...))
expresisons.
From-SVN: r141774
+2008-11-11 Richard Sandiford <rdsandiford@googlemail.com>
+
+ PR rtl-optimization/37363
+ * simplify-rtx.c (simplify_plus_minus): Don't create (const (minus ...))
+ expresisons.
+
2008-11-11 Eric Botcazou <ebotcazou@adacore.com>
* ira-lives.c (process_bb_node_lives): Restore EH_RETURN_DATA_REGNO
one CONST_INT, and the sort will have ensured that it is last
in the array and that any other constant will be next-to-last. */
- if (GET_CODE (ops[n_ops - 1].op) == CONST_INT)
- i = n_ops - 2;
- else
- i = n_ops - 1;
-
- if (i >= 1
- && ops[i].neg
- && !ops[i - 1].neg
- && CONSTANT_P (ops[i].op)
- && GET_CODE (ops[i].op) == GET_CODE (ops[i - 1].op))
- {
- ops[i - 1].op = gen_rtx_MINUS (mode, ops[i - 1].op, ops[i].op);
- ops[i - 1].op = gen_rtx_CONST (mode, ops[i - 1].op);
- if (i < n_ops - 1)
- ops[i] = ops[i + 1];
- n_ops--;
- }
-
if (n_ops > 1
&& GET_CODE (ops[n_ops - 1].op) == CONST_INT
&& CONSTANT_P (ops[n_ops - 2].op))