Hi,
this is the patch for fold-const.c. Can you think of some testcase for the
MR_DEPENDENCE_CLIQUE comparsion? I am not that familiar with the code to
be able to construct it :(
Bootstrapped/regtested x86_64-linux, OK?
Honza
* fold-const.c (operand_equal_p): Do not use flag_strict_aliasing.
Index: fold-const.c
===================================================================
--- fold-const.c (revision 231290)
+++ fold-const.c (working copy)
@@ -2987,14 +2987,13 @@ operand_equal_p (const_tree arg0, const_
flags)))
return 0;
/* Verify that accesses are TBAA compatible. */
- if (flag_strict_aliasing
- && (!alias_ptr_types_compatible_p
- (TREE_TYPE (TREE_OPERAND (arg0, 1)),
- TREE_TYPE (TREE_OPERAND (arg1, 1)))
- || (MR_DEPENDENCE_CLIQUE (arg0)
- != MR_DEPENDENCE_CLIQUE (arg1))
- || (MR_DEPENDENCE_BASE (arg0)
- != MR_DEPENDENCE_BASE (arg1))))
+ if (!alias_ptr_types_compatible_p
+ (TREE_TYPE (TREE_OPERAND (arg0, 1)),
+ TREE_TYPE (TREE_OPERAND (arg1, 1)))
+ || (MR_DEPENDENCE_CLIQUE (arg0)
+ != MR_DEPENDENCE_CLIQUE (arg1))
+ || (MR_DEPENDENCE_BASE (arg0)
+ != MR_DEPENDENCE_BASE (arg1)))
return 0;
/* Verify that alignment is compatible. */
if (TYPE_ALIGN (TREE_TYPE (arg0))
