Author: hager <[email protected]>
Branch: ppc-jit-backend
Changeset: r46394:fa92db74b26f
Date: 2011-08-09 10:38 +0200
http://bitbucket.org/pypy/pypy/changeset/fa92db74b26f/
Log: Implemented clear_latest_values and get_latest_value_count.
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
@@ -41,6 +41,7 @@
self.saved_descr = {}
self.patch_list = []
self.reg_map = {}
+ self.fail_box_count = 0
codebuilder = PPCBuilder()
@@ -67,6 +68,7 @@
self.saved_descr = {}
self.patch_list = []
self.reg_map = {}
+ self.fail_box_count = 0
codebuilder = looptoken.codebuilder
# jump to the bridge
@@ -107,6 +109,7 @@
# store return parameters in memory
used_mem_indices = []
for index, reg in enumerate(reglist):
+ self.fail_box_count += 1
# if reg is None, then there is a hole in the failargs
if reg is not None:
addr = self.fail_boxes_int.get_addr_for_num(index)
@@ -123,14 +126,23 @@
codebuilder.li(3, fail_index)
codebuilder.blr()
+ # set value in fail_boxes_int
def set_future_value_int(self, index, value_int):
self.fail_boxes_int.setitem(index, value_int)
+ def clear_latest_values(self, count):
+ for index in range(count):
+ self.fail_boxes_int.setitem(index, 0)
+
# executes the stored machine code in the token
def execute_token(self, looptoken):
descr_index = looptoken.ppc_code()
return self.saved_descr[descr_index]
+ # return the number of values that can be returned
+ def get_latest_value_count(self):
+ return self.fail_box_count
+
# fetch the result of the computation and return it
def get_latest_value_int(self, index):
value = self.fail_boxes_int.getitem(index)
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