contrib/gcc/gcse.c

1277 	return oprs_unchanged_p (XEXP (x, 0), insn, avail_p);
1311 	    return oprs_unchanged_p (XEXP (x, i), insn, avail_p);
1313 	  else if (! oprs_unchanged_p (XEXP (x, i), insn, avail_p))
1347     dest = XEXP (dest, 0);
1392 	   && INSN_CUID (XEXP (list_entry, 0)) < uid_limit)
1394 	      && INSN_CUID (XEXP (list_entry, 0)) > uid_limit))
1396 	  list_entry = XEXP (list_entry, 1);
1400       setter = XEXP (list_entry, 0);
1418       list_entry = XEXP (list_entry, 1);
1673       && GET_CODE (XEXP (x, 0)) == CONST_INT
1674       && GET_CODE (XEXP (x, 1)) == CONST_INT)
1680       && REG_P (XEXP (x, 0)) && REG_P (XEXP (x, 1))
1681       && REGNO (XEXP (x, 0)) == REGNO (XEXP (x, 1))
1682       && ! FLOAT_MODE_P (GET_MODE (XEXP (x, 0)))
1683       && ! FLOAT_MODE_P (GET_MODE (XEXP (x, 1))))
1714 	      ? gcse_constant_p (XEXP (note, 0))
1715 	      : want_to_gcse_p (XEXP (note, 0))))
1716 	src = XEXP (note, 0), pat = gen_rtx_SET (VOIDmode, dest, src);
1736 	  && (note == NULL_RTX || ! MEM_P (XEXP (note, 0))))
1795 	       || ! MEM_P (XEXP (note, 0))))
1955     dest = XEXP (dest, 0);
1964   dest_addr = get_addr (XEXP (dest, 0));
2197       next = XEXP (list, 1);
2284 	return oprs_not_set_p (XEXP (x, 0), insn);
2301 	    return oprs_not_set_p (XEXP (x, i), insn);
2303 	  if (! oprs_not_set_p (XEXP (x, i), insn))
2334     dest = XEXP (dest, 0);
2350   rtx clob = XEXP (pat, 0);
2353     clob = XEXP (clob, 0);
2515 		    dest = XEXP (list_entry, 0);
2516 		    list_entry = XEXP (list_entry, 1);
2517 		    dest_addr = XEXP (list_entry, 0);
2528 		    list_entry = XEXP (list_entry, 1);
2533       x = XEXP (x, 0);
2561 	      x = XEXP (x, i);
2565 	  compute_transp (XEXP (x, i), indx, bmap, set_p);
2639 	      x = XEXP (x, 0);
2643 	  find_used_regs (&XEXP (x, i), data);
2678     XEXP (note, 0) = simplify_replace_rtx (XEXP (note, 0), from, to);
2704   if (note && REG_NOTE_KIND (note) == REG_EQUAL && REG_P (XEXP (note, 0)))
2793       note_src = XEXP (note, 0);
2811       setcc_src = (setcc_note && GET_CODE (XEXP (setcc_note, 0)) != EXPR_LIST)
2812 		? XEXP (setcc_note, 0) : SET_SRC (setcc_set);
2937     find_used_regs (&XEXP (note, 0), NULL);
3096 		  || ! MEM_P (XEXP (note, 0))))
3165 		  if (reg_mentioned_p (newval, XEXP (note, 0)))
3172       XEXP (note, 0) = simplify_replace_rtx (XEXP (note, 0), oldreg, newval);
3207 		  *--libcall_sp = XEXP (note, 0);
3219 		    local_cprop_find_used_regs (&XEXP (note, 0), NULL);
3321   enum machine_mode mode = GET_MODE (XEXP (cond, 0));
3322   rtx cst = XEXP (cond, 1);
3370 	    && REG_P (XEXP (cond, 0))
3371 	    && REGNO (XEXP (cond, 0)) >= FIRST_PSEUDO_REGISTER
3380 		new = gen_rtx_SET (VOIDmode, XEXP (cond, 0),
3381 					     XEXP (cond, 1));
3386 			    REGNO (XEXP (cond, 0)));
3548     find_used_regs (&XEXP (note, 0), NULL);
3628 	      dest = BLOCK_FOR_INSN (XEXP (new, 0));
4049 	insn = XEXP (note, 0);
4407     eqv = XEXP (note, 0);
4615       REG_NOTES (insn) = gen_rtx_INSN_LIST (REG_LABEL, XEXP (x, 0),
4617       if (LABEL_P (XEXP (x, 0)))
4618 	LABEL_NUSES (XEXP (x, 0))++;
4625 	add_label_notes (XEXP (x, i), insn);
4666 	      if (GET_CODE (XEXP (expr->expr, 0)) == SYMBOL_REF
4667 		  && CONSTANT_POOL_ADDRESS_P (XEXP (expr->expr, 0)))
5281 	invalidate_any_buried_refs (XEXP (x, i));
5431       for ( ; list != NULL_RTX; list = XEXP (list, 1))
5433 	  rtx insn = XEXP (list, 0);
5529   for (; x; x = XEXP (x, 1))
5531       reg = XEXP (x, 0);
5568       x = XEXP (x, 0);
5601 	  rtx tem = XEXP (x, i);
5698       tmp = XEXP (ANTIC_STORE_LIST (ptr), 0);
5721       tmp = XEXP (AVAIL_STORE_LIST (ptr), 0);
5840 	      && (tmp = XEXP (ANTIC_STORE_LIST (ptr), 0)) == NULL_RTX)
5841 	    ANTIC_STORE_LIST (ptr) = XEXP (ANTIC_STORE_LIST (ptr), 1);
5918 	ret |= find_loads (XEXP (x, i), store_pattern, after);
5947       for (reg = x_regs; reg; reg = XEXP (reg, 1))
5949 	  base = find_base_term (XEXP (reg, 0));
5953 		  && XEXP (base, 0) == stack_pointer_rtx))
5966 	dest = XEXP (dest, 0);
5994   note = XEXP (note, 0);
6076       for (st = AVAIL_STORE_LIST (ptr); st != NULL; st = XEXP (st, 1))
6078 	  insn = XEXP (st, 0);
6090 	      replace_store_insn (r, XEXP (st, 0), bb, ptr);
6096       for (st = ANTIC_STORE_LIST (ptr); st != NULL; st = XEXP (st, 1))
6098 	  insn = XEXP (st, 0);
6291 	       BLOCK_FOR_INSN (XEXP (last, 0)) != bb;
6292 	       last = XEXP (last, 1))
6294 	  last = XEXP (last, 0);
6303 	    if (!note || !expr_equiv_p (XEXP (note, 0), mem))
6347   for (ptr = ANTIC_STORE_LIST (smexpr); ptr; ptr = XEXP (ptr, 1))
6348     if (XEXP (ptr, 0) == del)
6350 	XEXP (ptr, 0) = insn;
6361       pair = XEXP (note, 0);
6363       XEXP (note, 0) = insn;
6368       pair = XEXP (note, 0);
6370       XEXP (note, 0) = insn;
6387 	if (!note || !expr_equiv_p (XEXP (note, 0), mem))
6412   for (i = AVAIL_STORE_LIST (expr); i; i = XEXP (i, 1))
6414       del = XEXP (i, 0);