hphp/runtime/vm/jit/ir-opcode-inl.h

   1 /*
   2    +----------------------------------------------------------------------+
   3    | HipHop for PHP                                                       |
   4    +----------------------------------------------------------------------+
   5    | Copyright (c) 2010-2014 Facebook, Inc. (http://www.facebook.com)     |
   6    +----------------------------------------------------------------------+
   7    | This source file is subject to version 3.01 of the PHP license,      |
   8    | that is bundled with this package in the file LICENSE, and is        |
   9    | available through the world-wide-web at the following url:           |
  10    | http://www.php.net/license/3_01.txt                                  |
  11    | If you did not receive a copy of the PHP license and are unable to   |
  12    | obtain it through the world-wide-web, please send a note to          |
  13    | license@php.net so we can mail you a copy immediately.               |
  14    +----------------------------------------------------------------------+
  15 */
  16
  17 namespace HPHP {
  18 namespace jit {
  19
  20 struct OpInfo {
  21   const char* name;
  22   uint64_t flags;
  23 };
  24 extern OpInfo g_opInfo[];
  25
  26 inline const char* opcodeName(Opcode opcode) {
  27   return g_opInfo[uint16_t(opcode)].name;
  28 }
  29
  30 inline bool opcodeHasFlags(Opcode opcode, uint64_t flags) {
  31   return g_opInfo[uint16_t(opcode)].flags & flags;
  32 }
  33
  34 inline bool hasEdges(Opcode opcode) {
  35   return opcodeHasFlags(opcode, Branch | MayRaiseError);
  36 }
  37
  38 inline bool opHasExtraData(Opcode op) {
  39   return opcodeHasFlags(op, HasExtra);
  40 }
  41
  42 } // namespace jit
  43 } // namespace HPHP