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Re: [PATCH 11/11] Make opt_pass and gcc::pipeline be GC-managed

On 26 July 2013 17:04:41 David Malcolm <> wrote:

diff --git a/gcc/passes.c b/gcc/passes.c
index ce5cdeb..dd1b0ba 100644
--- a/gcc/passes.c
+++ b/gcc/passes.c

+void gt_pch_nx_pipeline (void *this_obj, void *p,
+			 gt_pointer_operator op, void *cookie)
+  pipeline *passes = (pipeline *)p;
+  if (p == this_obj)
+    passes->gt_pch_nx_with_op (op, cookie);

 /* Call from anywhere to find out what pass this is.  Useful for
    printing out debugging information deep inside an service

s/an service/a service/;# separate patch

diff --git a/gcc/tree-pass.h b/gcc/tree-pass.h
index 41d5d92..c3e89d4 100644
--- a/gcc/tree-pass.h
+++ b/gcc/tree-pass.h
@@ -76,11 +76,22 @@ namespace gcc

 /* An instance of a pass.  This is also "pass_data" to minimize the
    changes in existing code.  */
-class opt_pass : public pass_data
+class GTY((user)) opt_pass : public pass_data
+  /* Ensure that instances are allocated in the GC-managed heap.  */
+  void *operator new (size_t sz);
   virtual ~opt_pass () { }

+  /* GTY((user)) methods, to be called once per traversal.
+     opt_pass subclasses with additional GC-managed data should overide

s/ overide/ override/

Not a review but sounds goodish.

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