Commit c6778d63 authored by Michael Beck's avatar Michael Beck
Browse files

Allow 64bit Leas (2 shifts and 1 add)

[r28085]
parent d17a517b
......@@ -464,7 +464,8 @@ int ia32_evaluate_insn(insn_kind kind, const ir_mode *mode, ir_tarval *tv)
/* lea is only supported for 32 bit */
if (get_mode_size_bits(mode) <= 32)
return arch_costs->lea_cost;
return 0x10000;
/* in 64bit mode, the Lea cost are at wort 2 shifts and one add */
return 2 * arch_costs->add_cost + 2 * (2 * arch_costs->const_shf_cost);
case ADD:
case SUB:
if (get_mode_size_bits(mode) <= 32)
......
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