1 /*
   2  * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
   3  * Copyright (c) 2016 SAP SE. All rights reserved.
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This code is free software; you can redistribute it and/or modify it
   7  * under the terms of the GNU General Public License version 2 only, as
   8  * published by the Free Software Foundation.
   9  *
  10  * This code is distributed in the hope that it will be useful, but WITHOUT
  11  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  13  * version 2 for more details (a copy is included in the LICENSE file that
  14  * accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License version
  17  * 2 along with this work; if not, write to the Free Software Foundation,
  18  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  19  *
  20  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  21  * or visit www.oracle.com if you need additional information or have any
  22  * questions.
  23  *
  24  */
  25 
  26 #include "precompiled.hpp"
  27 #include "asm/register.hpp"
  28 #include "c1/c1_LIR.hpp"
  29 
  30 FloatRegister LIR_OprDesc::as_float_reg() const {
  31   return as_FloatRegister(fpu_regnr());
  32 }
  33 
  34 FloatRegister LIR_OprDesc::as_double_reg() const {
  35   return as_FloatRegister(fpu_regnrLo());
  36 }
  37 
  38 // Reg2 unused.
  39 LIR_Opr LIR_OprFact::double_fpu(int reg1, int reg2) {
  40   assert(!as_FloatRegister(reg2)->is_valid(), "Not used on this platform");
  41   return (LIR_Opr)(intptr_t)((reg1 << LIR_OprDesc::reg1_shift) |
  42                              (reg1 << LIR_OprDesc::reg2_shift) |
  43                              LIR_OprDesc::double_type          |
  44                              LIR_OprDesc::fpu_register         |
  45                              LIR_OprDesc::double_size);
  46 }
  47 
  48 #ifndef PRODUCT
  49 void LIR_Address::verify() const {
  50   assert(scale() == times_1, "Scaled addressing mode not available on PPC and should not be used");
  51   assert(disp() == 0 || index()->is_illegal(), "can't have both");
  52 #ifdef _LP64
  53   assert(base()->is_cpu_register(), "wrong base operand");
  54   assert(index()->is_illegal() || index()->is_double_cpu(), "wrong index operand");
  55   assert(base()->type() == T_OBJECT || base()->type() == T_LONG || base()->type() == T_METADATA,
  56          "wrong type for addresses");
  57 #else
  58   assert(base()->is_single_cpu(), "wrong base operand");
  59   assert(index()->is_illegal() || index()->is_single_cpu(), "wrong index operand");
  60   assert(base()->type() == T_OBJECT || base()->type() == T_INT || base()->type() == T_METADATA,
  61          "wrong type for addresses");
  62 #endif
  63 }
  64 #endif // PRODUCT