Subversion Repositories openrisc_me

/* Altivec expression macros, for PSIM, the PowerPC simulator.

   Copyright 2003, 2007, 2008 Free Software Foundation, Inc.

   Contributed by Red Hat Inc; developed under contract from Motorola.

   Written by matthew green <mrg@redhat.com>.

   This file is part of GDB.

   This program is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3 of the License, or

   (at your option) any later version.

   This program is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

/* AltiVec macro helpers.  */

#define ALTIVEC_SET_CR6(vS, checkone) \

do { \

  if (checkone && ((*vS).w[0] == 0xffffffff && \

                   (*vS).w[1] == 0xffffffff && \

                   (*vS).w[2] == 0xffffffff && \

                   (*vS).w[3] == 0xffffffff)) \

    CR_SET(6, 1 << 3); \

  else if ((*vS).w[0] == 0 && \

           (*vS).w[1] == 0 && \

           (*vS).w[2] == 0 && \

           (*vS).w[3] == 0) \

    CR_SET(6, 1 << 1); \

  else \

    CR_SET(6, 0); \

} while (0)

#define VSCR_SAT        0x00000001

#define VSCR_NJ         0x00010000

#define ALTIVEC_SET_SAT(sat) \

do { \

  if (sat) \

    VSCR |= VSCR_SAT; \

} while (0)