Added ppe tools directory with contents

Change-Id: I9da1e93f2624a8da121548b7af67002a98d61fe2
Reviewed-on: http://gfw160.aus.stglabs.ibm.com:8080/gerrit/15907
Reviewed-by: Glenn R. Miles <milesg@us.ibm.com>
Reviewed-by: David Young <davidy@us.ibm.com>
Tested-by: David Young <davidy@us.ibm.com>

1 files changed, 147 insertions, 0 deletions

diff --git a/tools/PowerPCtoPPE/p2p-test-gen.py b/tools/PowerPCtoPPE/p2p-test-gen.py
new file mode 100755
index 00000000..983cec03
--- /dev/null
+++ b/tools/PowerPCtoPPE/p2p-test-gen.py
@@ -0,0 +1,147 @@
+#!/usr/bin/python2.6
+
+# \file  p2p-test-gen.py
+# \brief this program generates random constructed test cases
+#        in the form of input file consumed by ppc-ppe-pcp.py
+# \usage create a file named 'test.s' and make sure it has at
+#        least one blank line before executing this program.
+
+import fileinput
+import random
+
+DotLabel = ['', 'Label:', '.Label']
+
+Comments = ['', '// Comments', '/* Comments */']
+
+TabSpace = ['', '\t', ' ', '\t ', ' \t', ' \t ']
+
+RegLabel = ['', '%r']
+
+Register = [0,1,2,3,4,5,6,7,8,9,10,13,28,29,30,31]
+
+TestEnable = [0,1,2,3]
+
+TestBook = {'eieio'   : 0,
+            'isync'   : 0,
+            'icbi'    : 0,
+            'icbt'    : 0,
+            'stbux'   : 3,
+            'sthux'   : 3,
+            'stwux'   : 3,
+            'lbzux'   : 3,
+            'lhzux'   : 3,
+            'lwzux'   : 3,
+            'lha'     : 2,
+            'lhau'    : 2,
+            'lhax'    : 3,
+            'lhaux'   : 3,
+            'mulhhw'  : 3,
+            'mulhhwu' : 3,
+            'mulhw'   : 3,
+            'mulhwu'  : 3,
+            'mullw'   : 3,
+            'mulli'   : 1,
+            'divw'    : 3,
+            'divwu'   : 3,
+            'lmw'     : 2,
+            'stmw'    : 2,
+            'lwz'     : 4,
+            'stw'     : 4,
+            'cmplw'   : 5,
+            'cmpw'    : 5,
+            'cmpwi'   : 5}
+
+BranchList = ['bc', 'bcl', 'blt', 'bltl', 'ble', 'blel', 'bgt', 'bgtl', 'bge',
+              'bgel', 'beq', 'beql', 'bne', 'bnel']
+
+def p2p_test():
+  for line in fileinput.input('test.s', inplace=1):
+    print '// start generating test cases:',
+    for opcode,format in TestBook.iteritems():
+      opcode += ' '
+      if random.randint(1, 10) > 5:
+        print random.sample(TabSpace,1)[0] + random.sample(Comments,1)[0] +\
+              random.sample(TabSpace,1)[0]
+      else:
+        print random.sample(TabSpace,1)[0] + random.sample(DotLabel,1)[0] +\
+              random.sample(TabSpace,1)[0]
+      if format == 0 in TestEnable:
+        print random.sample(TabSpace,1)[0] + opcode +\
+              random.sample(TabSpace,1)[0] + random.sample(Comments,1)[0]
+      if format == 3 in TestEnable:
+        regs = random.sample(Register, 3)
+        reg_field = random.sample(RegLabel,1)[0] + str(regs[0]) + ',' +\
+                    random.sample(TabSpace,1)[0] +\
+                    random.sample(RegLabel,1)[0] + str(regs[1]) + ',' +\
+                    random.sample(TabSpace,1)[0] +\
+                    random.sample(RegLabel,1)[0] + str(regs[2])
+        print random.sample(TabSpace,1)[0] + opcode +\
+              random.sample(TabSpace,1)[0] + reg_field +\
+              random.sample(TabSpace,1)[0] + random.sample(Comments,1)[0]
+      if format == 1 in TestEnable:
+        regs = random.sample(Register, 2)
+        reg_field = random.sample(RegLabel,1)[0] + str(regs[0]) + ',' +\
+                    random.sample(TabSpace,1)[0] +\
+                    random.sample(RegLabel,1)[0] + str(regs[1]) + ',' +\
+                    random.sample(TabSpace,1)[0] +\
+                    str(random.randint(-128, 128))
+        print random.sample(TabSpace,1)[0] + opcode +\
+              random.sample(TabSpace,1)[0] + reg_field +\
+              random.sample(TabSpace,1)[0] + random.sample(Comments,1)[0]
+      if format == 2 in TestEnable:
+        regs = random.sample(Register, 2)
+        reg_field = random.sample(RegLabel,1)[0] + str(regs[0]) + ',' +\
+                    random.sample(TabSpace,1)[0] +\
+                    str(random.randint(-128, 128)) +\
+                    '(' + random.sample(RegLabel,1)[0] + str(regs[1]) + ')'
+        print random.sample(TabSpace,1)[0] + opcode +\
+              random.sample(TabSpace,1)[0] + reg_field +\
+              random.sample(TabSpace,1)[0] + random.sample(Comments,1)[0]
+      if format == 4 in TestEnable:
+        for i in [1,2]:
+          regs = random.sample(Register, 2)
+          reg_field = random.sample(RegLabel,1)[0] + str(regs[0]) + ',' +\
+                      random.sample(TabSpace,1)[0] +\
+                      str(random.randint(-128, 128)) +\
+                      '(' + random.sample(RegLabel,1)[0] + str(regs[1]) + ')'
+          print random.sample(TabSpace,1)[0] + opcode +\
+                random.sample(TabSpace,1)[0] + reg_field +\
+                random.sample(TabSpace,1)[0] + random.sample(Comments,1)[0]
+      if format == 5 in TestEnable:
+        if 'i' in opcode:
+          regs = random.sample(Register, 1)
+          reg_field = random.sample(RegLabel,1)[0] + str(regs[0]) + ',' +\
+                      random.sample(TabSpace,1)[0] +\
+                      random.sample(RegLabel,1)[0] +\
+                      str(random.randint(-128, 128))
+        else:
+          regs = random.sample(Register, 2)
+          reg_field = random.sample(RegLabel,1)[0] + str(regs[0]) + ',' +\
+                      random.sample(TabSpace,1)[0] +\
+                      random.sample(RegLabel,1)[0] + str(regs[1])
+        print random.sample(TabSpace,1)[0] + opcode +\
+              random.sample(TabSpace,1)[0] + reg_field +\
+              random.sample(TabSpace,1)[0] + random.sample(Comments,1)[0]
+        branch = random.sample(BranchList, 1)[0] + ' '
+        if 'bc' in branch:
+          reg_field = random.sample(TabSpace,1)[0] +\
+                      str(random.randint(0, 15)) + ',' +\
+                      random.sample(TabSpace,1)[0] +\
+                      str(random.randint(0, 7)) + ',' +\
+                      random.sample(TabSpace,1)[0] +\
+                      str(random.randint(-128, 128)) +\
+                      random.sample(TabSpace,1)[0]
+        else:
+          reg_field = random.sample(TabSpace,1)[0] +\
+                      str(random.randint(-128, 128)) +\
+                      random.sample(TabSpace,1)[0]
+        print random.sample(TabSpace,1)[0] + branch +\
+              random.sample(TabSpace,1)[0] + reg_field +\
+              random.sample(TabSpace,1)[0] + random.sample(Comments,1)[0]
+  fileinput.close()
+
+if __name__ == '__main__':
+  p2p_test()
+
+
+