On Apr 25, 2017, at 4:14 AM, Peter Maydell wrote:
On 25 April 2017 at 04:17, G 3 <programmingk...@gmail.com> wrote:
Add the ppc.risu file. It defines the format for various PowerPC
instructions.
Signed-off-by: John Arbuckle <programmingk...@gmail.com>
---
ppc.risu | 527
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
1 file changed, 527 insertions(+)
create mode 100644 ppc.risu
diff --git a/ppc.risu b/ppc.risu
new file mode 100644
index 0000000..b6d6aee
--- /dev/null
+++ b/ppc.risu
@@ -0,0 +1,527 @@
+####################################################################
###########
+# File: ppc.risu
+# Date: 3-27-2017
+# Description: Specifies PowerPC instruction test patterns.
+####################################################################
###########
Missing copyright and license statement.
+
+.mode ppc
+
+# Note: register r1 cannot be used because it is the stack pointer.
+# The branching, VEA, and OEA instructions cannot be used here
currently.
+
+ADD PPC 011111 rD:5 rA:5 rB:5 OE:1 100001010 Rc:1 \
+!constraints { $rD != 1 && $rA != 1 && $rB != 1; }
+
+ADDC PPC 011111 rD:5 rA:5 rB:5 OE:1 000001010 Rc:1 \
+!constraints { $rD != 1 && $rA != 1 && $rB != 1; }
+
+ADDE PPC 011111 rD:5 rA:5 rB:5 OE:1 010001010 Rc:1 \
+!constraints { $rD != 1 && $rA != 1 && $rB != 1; }
There's an awful lot of duplication with ppc64 here. Is it
worth trying to share?
thanks
-- PMM
That would be difficult. There are a lot of new instructions in ppc64
that don't exist in ppc32.
