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[patch] tree.h: Add a comment to tree_phi_node.
- From: Kazu Hirata <kazu at cs dot umass dot edu>
- To: gcc-patches at gcc dot gnu dot org
- Date: Tue, 26 Apr 2005 18:57:18 -0400 (EDT)
- Subject: [patch] tree.h: Add a comment to tree_phi_node.
Hi,
Attached is a patch to add a comment to tree_phi_node.
Committed as obvious.
Kazu Hirata
2005-04-26 Kazu Hirata <kazu@cs.umass.edu>
* tree.h (tree_phi_node): Add a comment about the order of PHI
arguments.
Index: tree.h
===================================================================
RCS file: /cvs/gcc/gcc/gcc/tree.h,v
retrieving revision 1.720
diff -u -d -p -r1.720 tree.h
--- tree.h 24 Apr 2005 14:05:06 -0000 1.720
+++ tree.h 26 Apr 2005 22:47:26 -0000
@@ -1439,6 +1439,8 @@ struct tree_phi_node GTY(())
/* Basic block to that the phi node belongs. */
struct basic_block_def *bb;
+ /* Arguments of the PHI node. These are maintained in the same
+ order as predecessor edge vector BB->PREDS. */
struct phi_arg_d GTY ((length ("((tree)&%h)->phi.num_args"))) a[1];
};