* config/sparc/linux.h (NO_PROFILE_COUNTERS): Undef before

[pf3gnuchains/gcc-fork.git] / gcc / tree.def

diff --git a/gcc/tree.def b/gcc/tree.def
index 7eb55b6..73bf709 100644 (file)
--- a/gcc/tree.def
+++ b/gcc/tree.def
@@ -493,7 +493,10 @@ DEFTREECODE (TARGET_EXPR, "target_expr", tcc_expression, 4)
    Operand 1 must have the same type as the entire expression, unless
    it unconditionally throws an exception, in which case it should
    have VOID_TYPE.  The same constraints apply to operand 2.  The
-   condition in operand 0 must be of integral type.  */
+   condition in operand 0 must be of integral type. 
+
+   In cfg gimple, if you do not have a selection expression, operands
+   1 and 2 are NULL.  The operands are then taken from the cfg edges. */
 DEFTREECODE (COND_EXPR, "cond_expr", tcc_expression, 3)
 
 /* Vector conditional expression. It is like COND_EXPR, but with