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authorAndrew Cagney <cagney@redhat.com>1997-02-14 19:06:08 +0000
committerAndrew Cagney <cagney@redhat.com>1997-02-14 19:06:08 +0000
commitcdd3120398a10c629c3eec4d9159390819e688c1 (patch)
tree882f922776a52c93e26dbd2c69a990859069628c /sim/ppc/dc-stupid
parent1d339e4849ecadf635ab53a41a390eb513f117ae (diff)
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PR 11678 - rename long decode-rule files to shorter ones, eliminate
need for multiple almost identical decode-rule files
Diffstat (limited to 'sim/ppc/dc-stupid')
-rw-r--r--sim/ppc/dc-stupid58
1 files changed, 58 insertions, 0 deletions
diff --git a/sim/ppc/dc-stupid b/sim/ppc/dc-stupid
new file mode 100644
index 0000000..4238bdb
--- /dev/null
+++ b/sim/ppc/dc-stupid
@@ -0,0 +1,58 @@
+#
+# This file is part of the program psim.
+#
+# Copyright (C) 1994-1995, Andrew Cagney <cagney@highland.com.au>
+#
+# 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.
+#
+array,normal: 0: 5: 0: 5:
+array,normal:21:31:32:-1:OE,LR,AA,Rc,LK:
+##
+## Branch Conditional instruction - Expand BO{0:4} only, ignore BO{5}
+##
+array,expand-forced: 6: 9: 6: 9:BO: 0xfc000000:0x40000000
+##
+## Expand RA on equality with 0 in Add instructions were if(RA==0) appears.
+##
+# Add Immediate
+#array,boolean: 11:15:11:15:RA: 0xfc000000:0x38000000:0
+# Add Immediate Shifted
+#array,boolean: 11:15:11:15:RA: 0xfc000000:0x3c000000:0
+##
+## Ditto for high frequency load/store instructions.
+##
+# Store Byte
+#array,boolean: 11:15:11:15:RA: 0xfc000000:0x98000000:0
+# Store Word
+#array,boolean: 11:15:11:15:RA: 0xfc000000:0x90000000:0
+# Load Word and Zero
+#array,boolean: 11:15:11:15:RA: 0xfc000000:0x80000000:0
+##
+## Move to/from SPR instructions - LR=8 is munged into 0x100 == 256
+##
+#array,boolean: 11:20:11:20:SPR: 0xfc0007ff:0x7c0003a6:256
+#array,boolean: 11:20:11:20:SPR: 0xfc0007ff:0x7c0002a6:256
+##
+## Compare Immediate instruction - separate out L == 0 and L == 1
+##
+# Compare Immediate
+#array,boolean: 10:11:10:11:L: 0xfc000000:0x2c000000:0
+##
+## Move to/from SPR instructions - separate out LR case
+##
+# Move to SPR
+#array,boolean: 11:20:11:20:SPR: 0xfc0007ff:0x7c0003a6:256
+# Move from SPR
+#array,boolean: 11:20:11:20:SPR: 0xfc0007ff:0x7c0002a6:256