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| author | Jan Hubicka <jh@suse.cz> | 2001-11-28 10:47:25 +0100 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2001-11-28 09:47:25 +0000 |
| commit | db4a825457efe5f2b71281fa17f59ce2d7c65a6d (patch) | |
| tree | 97187b5417e7845f32035f0c7bc2cd22abcfb809 /gcc/doc | |
| parent | 562d21e913afeb56dced1b60fdfe6ff09a2fbf23 (diff) | |
| download | gcc-db4a825457efe5f2b71281fa17f59ce2d7c65a6d.zip gcc-db4a825457efe5f2b71281fa17f59ce2d7c65a6d.tar.gz gcc-db4a825457efe5f2b71281fa17f59ce2d7c65a6d.tar.bz2 | |
cse.c (true_dependence_in_rtx): New function.
* cse.c (true_dependence_in_rtx): New function.
(invalidate): Use it.
* c-common.h (GOTO_FAKE_P): New macro.
* tree-inline.c (GOTO_FAKE_P): Set.
* c-tree.texi (GOTO_FAKE_P): Document.
* varasm.c (assemble_variable): Set reloc to 3 for error_mark
containing pointers.
(output_addressed_constants): Check for local/external relocations.
* elfos.h (SELECT_SECTION): Classify data section.
* tm.texi (SELECT_SECTION): Update documentation.
* cfganal.c (flow_dfs_compute_reverse_add_bb): set visited bit.
(flow_dfs_compute_reverse_execute): Add only unvisited blocks.
From-SVN: r47405
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/c-tree.texi | 13 | ||||
| -rw-r--r-- | gcc/doc/tm.texi | 4 |
2 files changed, 11 insertions, 6 deletions
diff --git a/gcc/doc/c-tree.texi b/gcc/doc/c-tree.texi index b27c082..dd21ae6 100644 --- a/gcc/doc/c-tree.texi +++ b/gcc/doc/c-tree.texi @@ -1278,6 +1278,7 @@ This predicate holds if the function an overloaded @findex FOR_BODY @tindex GOTO_STMT @findex GOTO_DESTINATION +@findex GOTO_FAKE_P @tindex HANDLER @tindex IF_STMT @findex IF_COND @@ -1511,11 +1512,13 @@ expressions. @item GOTO_STMT -Used to represent a @code{goto} statement. The @code{GOTO_DESTINATION} -will usually be a @code{LABEL_DECL}. However, if the ``computed -goto'' extension has been used, the @code{GOTO_DESTINATION} will be an -arbitrary expression indicating the destination. This expression will -always have pointer type. +Used to represent a @code{goto} statement. The @code{GOTO_DESTINATION} will +usually be a @code{LABEL_DECL}. However, if the ``computed goto'' extension +has been used, the @code{GOTO_DESTINATION} will be an arbitrary expression +indicating the destination. This expression will always have pointer type. +Additionally the @code{GOTO_FAKE_P} flag is set whenever the goto statement +does not come from source code, but it is generated implicitly by the compiler. +This is used for branch prediction. @item HANDLER diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index 40b9542..ad26c8a 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -5661,7 +5661,9 @@ A C statement or statements to switch to the appropriate section for output of @var{exp}. You can assume that @var{exp} is either a @code{VAR_DECL} node or a constant of some sort. @var{reloc} indicates whether the initial value of @var{exp} requires link-time -relocations. Select the section by calling @code{text_section} or one +relocations. Bit 1 is set when variable contains local relocations +only, while bit 2 is set for global relocations. +Select the section by calling @code{text_section} or one of the alternatives for other sections. @var{align} is the constant alignment in bits. |