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basic-block.h (ENTRY_BLOCK, EXIT_BLOCK): Document that neither of them is supposed to hold actual statements.

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2009-06-07  Bernhard Reutner-Fischer  <aldot@gcc.gnu.org>

	* basic-block.h (ENTRY_BLOCK, EXIT_BLOCK): Document that neither of
	them is supposed to hold actual statements.

From-SVN: r148256
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Bernhard Reutner-Fischer 2009-06-07 21:26:59 +02:00
parent 28300f5aa7
commit 95bca6b063
2 changed files with 7 additions and 1 deletions
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gcc/ChangeLog
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@ -1,3 +1,8 @@
2009-06-07 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
* basic-block.h (ENTRY_BLOCK, EXIT_BLOCK): Document that neither of
them is supposed to hold actual statements.
2009-06-06 Ian Lance Taylor <iant@google.com>
* doc/extend.texi (Attribute Syntax): Document that C++ labels on

3
gcc/basic-block.h
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@ -491,7 +491,8 @@ extern bitmap_obstack reg_obstack;
#define BB_HEAD(B) (B)->il.rtl->head_
#define BB_END(B) (B)->il.rtl->end_
/* Special block numbers [markers] for entry and exit. */
/* Special block numbers [markers] for entry and exit.
Neither of them is supposed to hold actual statements. */
#define ENTRY_BLOCK (0)
#define EXIT_BLOCK (1)