Author: hager <[email protected]>
Branch: ppc-jit-backend
Changeset: r45886:e24c11f9222b
Date: 2011-07-22 16:57 +0200
http://bitbucket.org/pypy/pypy/changeset/e24c11f9222b/
Log: Started implementing the PPC_64_CPU class.
diff --git a/pypy/jit/backend/ppc/runner.py b/pypy/jit/backend/ppc/runner.py
--- a/pypy/jit/backend/ppc/runner.py
+++ b/pypy/jit/backend/ppc/runner.py
@@ -9,6 +9,8 @@
from pypy.jit.backend.x86.profagent import ProfileAgent
from pypy.jit.backend.llsupport.llmodel import AbstractLLCPU
from pypy.jit.backend.x86 import regloc
+from pypy.jit.backend.x86.support import values_array
+from pypy.jit.backend.ppc.ppcgen.ppc_assembler import PPCBuilder
import sys
from pypy.tool.ansi_print import ansi_log
@@ -25,5 +27,45 @@
AbstractLLCPU.__init__(self, rtyper, stats, opts,
translate_support_code, gcdescr)
+ # pointer to an array of ints
+ # XXX length of the integer array is 1000 for now
+ self.arg_to_box = {}
+ self.fail_boxes_int = values_array(lltype.Signed, 1000)
+ self.saved_descr = {}
+
+ # floats are not supported yet
+ self.supports_floats = False
+
+ # compile a given trace
def compile_loop(self, inputargs, operations, looptoken, log=True):
- pass
+ codebuilder = PPCBuilder()
+ self.saved_descr[len(self.saved_descr)] = operations[-1].getdescr()
+
+ for index, arg in enumerate(inputargs):
+ self.arg_to_box[arg] = index
+
+ self._walk_trace_ops(codebuilder, operations)
+
+ f = codebuilder.assemble()
+ looptoken.ppc_code = f
+
+ def set_future_value_int(self, index, value_int):
+ self.fail_boxes_int.setitem(index, value_int)
+
+ # executes the stored machine code in the token
+ def execute_token(self, looptoken):
+ descr_index = looptoken.ppc_code()
+ return self.saved_descr[descr_index]
+
+ # fetch the result of the computation and return it
+ def get_latest_value_int(self, index):
+ value = self.fail_boxes_int.getitem(index)
+ return value
+
+ # walk through the given trace and generate machine code
+ def _walk_trace_ops(self, codebuilder, operations):
+ for op in operations:
+ codebuilder.build_op(op, self)
+
+ def get_box_index(self, box):
+ return self.arg_to_box[box]
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