[pypy-svn] r68943 - pypy/trunk/pypy/translator/c/gcc

[arigo at codespeak.net]

Author: arigo
Date: Tue Nov  3 17:03:55 2009
New Revision: 68943

Modified:
   pypy/trunk/pypy/translator/c/gcc/trackgcroot.py
Log:
In VALGRIND_XXX functions, there is a dummy-looking mov %esp, %eax.
Shows up only when compiling with gcc -fno-unit-at-a-time.


Modified: pypy/trunk/pypy/translator/c/gcc/trackgcroot.py
==============================================================================
--- pypy/trunk/pypy/translator/c/gcc/trackgcroot.py	(original)
+++ pypy/trunk/pypy/translator/c/gcc/trackgcroot.py	Tue Nov  3 17:03:55 2009
@@ -715,6 +715,10 @@
             return self._visit_prologue()
         elif source == '%ebp' and target == '%esp':
             return self._visit_epilogue()
+        if source == '%esp' and self.funcname.startswith('VALGRIND_'):
+            return []     # in VALGRIND_XXX functions, there is a dummy-looking
+                          # mov %esp, %eax.  Shows up only when compiling with
+                          # gcc -fno-unit-at-a-time.
         return self.insns_for_copy(source, target)
 
     def visit_pushl(self, line):