Author: Armin Rigo <[email protected]>
Branch: emit-call-x86
Changeset: r64361:434a90ebaa43
Date: 2013-05-20 12:51 +0200
http://bitbucket.org/pypy/pypy/changeset/434a90ebaa43/
Log: Comments
diff --git a/rpython/jit/backend/x86/callbuilder.py
b/rpython/jit/backend/x86/callbuilder.py
--- a/rpython/jit/backend/x86/callbuilder.py
+++ b/rpython/jit/backend/x86/callbuilder.py
@@ -55,7 +55,7 @@
self.resloc = resloc
self.restype = restype
self.ressize = ressize
- self.current_esp = 0
+ self.current_esp = 0 # 0 or (usually) negative, counted in bytes
def emit_no_collect(self):
"""Emit a call that cannot collect."""
@@ -107,7 +107,7 @@
def restore_esp(self, target_esp=0):
if self.current_esp != target_esp:
- self.mc.SUB_ri(esp.value, self.current_esp - target_esp)
+ self.mc.ADD_ri(esp.value, target_esp - self.current_esp)
self.current_esp = target_esp
def load_result(self):
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