diff options
Diffstat (limited to 'sim/ppc/altivec_expression.h')
-rw-r--r-- | sim/ppc/altivec_expression.h | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/sim/ppc/altivec_expression.h b/sim/ppc/altivec_expression.h new file mode 100644 index 0000000..6cf2e76 --- /dev/null +++ b/sim/ppc/altivec_expression.h @@ -0,0 +1,50 @@ +/* Altivec expression macros, for PSIM, the PowerPC simulator. + + Copyright 2003 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 2 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, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. */ + +/* 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) |