mozglue/build/ppc.h

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this
   3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 /* compile-time and runtime tests for whether to use Power ISA-specific
   6    extensions */
   7
   8 #ifndef mozilla_ppc_h_
   9 #define mozilla_ppc_h_
  10
  11 // for definition of MFBT_DATA
  12 #include "mozilla/Types.h"
  13
  14 namespace mozilla {
  15 namespace ppc_private {
  16 extern bool MFBT_DATA vmx_enabled;
  17 extern bool MFBT_DATA vsx_enabled;
  18 extern bool MFBT_DATA vsx3_enabled;
  19 }  // namespace ppc_private
  20
  21 inline bool supports_vmx() {
  22 #ifdef __powerpc__
  23   return ppc_private::vmx_enabled;
  24 #else
  25   return false;
  26 #endif
  27 }
  28
  29 inline bool supports_vsx() {
  30 #ifdef __powerpc__
  31   return ppc_private::vsx_enabled;
  32 #else
  33   return false;
  34 #endif
  35 }
  36
  37 inline bool supports_vsx3() {
  38 #ifdef __powerpc__
  39   return ppc_private::vsx3_enabled;
  40 #else
  41   return false;
  42 #endif
  43 }
  44
  45 }  // namespace mozilla
  46
  47 #endif /* !defined(mozilla_ppc_h_) */