aboutsummaryrefslogtreecommitdiff
path: root/sim/ppc/altivec_expression.h
diff options
context:
space:
mode:
Diffstat (limited to 'sim/ppc/altivec_expression.h')
-rw-r--r--sim/ppc/altivec_expression.h50
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)