- /* BDAP with something indirect should have a higher cost than
- BIAP with register. FIXME: Should it cost like a MEM or more? */
- /* Don't need to check it, it's the only one left.
- FIXME: There was a REG test missing, perhaps there are others.
- Think more. */
- return (2 + 2 + 2) / 2;
- }
+ /* A BIAP is 2 extra bytes for the prefix insn, nothing more. We
+ recognize the typical MULT which is always in tem1 because of
+ insn canonicalization. */
+ if ((GET_CODE (tem1) == MULT && BIAP_INDEX_P (tem1))
+ || REG_P (tem2))
+ return 2 / 2;
+
+ /* A BDAP (quick) is 2 extra bytes. Any constant operand to the
+ PLUS is always found in tem2. */
+ if (CONST_INT_P (tem2) && INTVAL (tem2) < 128 && INTVAL (tem2) >= -128)
+ return 2 / 2;
+
+ /* A BDAP -32768 .. 32767 is like BDAP quick, but with 2 extra
+ bytes. */
+ if (CONST_INT_P (tem2) && CONST_OK_FOR_LETTER_P (INTVAL (tem2), 'L'))
+ return (2 + 2) / 2;
+
+ /* A BDAP with some other constant is 2 bytes extra. */
+ if (CONSTANT_P (tem2))
+ return (2 + 2 + 2) / 2;
+
+ /* BDAP with something indirect should have a higher cost than
+ BIAP with register. FIXME: Should it cost like a MEM or more? */
+ return (2 + 2 + 2) / 2;
+ }