1 files changed, 39 insertions, 6 deletions
diff --git a/sim/ppc/ppc-opcode-stupid b/sim/ppc/ppc-opcode-stupid
index 8493791..4238bdb 100644
--- a/sim/ppc/ppc-opcode-stupid
+++ b/sim/ppc/ppc-opcode-stupid
@@ -17,9 +17,42 @@
 #   along with this program; if not, write to the Free Software
 #   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 #
- 0: 5: 0: 5:0:0:             0:0x00000000:0x00000000:0
-21:31:32:-1:0:OE,LR,AA,Rc,LK:0:0x00000000:0x00000000:0
- 6:15: 6:15:0:BO,BI:         0:0xfc000000:0x40000000:0
-11:15:11:15:0:RA:            0:0xfc000000:0x38000000:2
-11:15:11:15:0:RA:            0:0xfc000000:0x3c000000:2
-11:20:11:20:0:spr:           0:0xfc000000:0x7c000000:0
+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