Author: Eric Seckler <[email protected]>
Branch:
Changeset: r752:1a5c22d99f3f
Date: 2014-01-14 17:04 +0100
http://bitbucket.org/pypy/lang-smalltalk/changeset/1a5c22d99f3f/
Log: move stm breakpoint to trampoline loop
diff --git a/spyvm/interpreter.py b/spyvm/interpreter.py
--- a/spyvm/interpreter.py
+++ b/spyvm/interpreter.py
@@ -134,7 +134,7 @@
_last_indent = ""
jit_driver = jit.JitDriver(
greens=[],
- reds=['pc', 's_context', 'self', 'method'],
+ reds=['self', 'w_active_context', 's_new_context', 's_sender'],
# virtualizables=['s_context'],
stm_do_transaction_breaks=True
# get_printable_location=get_printable_location
@@ -205,7 +205,15 @@
#assert self.remaining_stack_depth == self.max_stack_depth
# Need to save s_sender, c_loop will nil this on return
s_sender = s_new_context.s_sender()
+
try:
+ # STM-ONLY JITDRIVER!
+ self.jit_driver.jit_merge_point(
+ self=self, w_active_context=w_active_context,
s_new_context=s_new_context, s_sender=s_sender)
+ if rstm.jit_stm_should_break_transaction(False):
+ rstm.jit_stm_transaction_break_point()
+ self = self._hints_for_stm()
+
s_new_context = self.c_loop(s_new_context)
except StackOverflow, e:
s_new_context = e.s_context
@@ -243,15 +251,12 @@
# s_context=s_context)
old_pc = pc
- # STM-ONLY JITDRIVER!
- self.jit_driver.jit_merge_point(
- pc=pc, self=self, method=method,
- s_context=s_context)
- if rstm.jit_stm_should_break_transaction(False):
- rstm.jit_stm_transaction_break_point()
- self = self._hints_for_stm()
try:
self.step(s_context)
+ if pc % 2 == 0:
+ return s_context
+ if rstm.should_break_transaction():
+ return s_context
except Return, nlr:
if nlr.s_target_context is not s_context:
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