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| author | Josef Zlomek <zlomekj@suse.cz> | 2003-02-20 09:54:48 +0100 |
|---|---|---|
| committer | Josef Zlomek <zlomek@gcc.gnu.org> | 2003-02-20 08:54:48 +0000 |
| commit | 8fa083166991fbaf31f8e81cfbc388d39792bccf (patch) | |
| tree | a41aef30734da10c3392aed6a5bc96f3ce5c177b /gcc/doc | |
| parent | c8717368a7aab2e7ba392a9ff6863ab5da1e2a76 (diff) | |
| download | gcc-8fa083166991fbaf31f8e81cfbc388d39792bccf.zip gcc-8fa083166991fbaf31f8e81cfbc388d39792bccf.tar.gz gcc-8fa083166991fbaf31f8e81cfbc388d39792bccf.tar.bz2 | |
combine.c (distribute_notes): Kill REG_EXEC_COUNT.
* combine.c (distribute_notes): Kill REG_EXEC_COUNT.
* rtl.c (reg_note_name): Likewise.
* rtl.h (enum reg_note): Likewise.
* doc/invoke.texi: Likewise.
* doc/rtl.texi: Likewise.
From-SVN: r63157
Diffstat (limited to 'gcc/doc')
| -rw-r--r-- | gcc/doc/invoke.texi | 3 | ||||
| -rw-r--r-- | gcc/doc/rtl.texi | 6 |
2 files changed, 1 insertions, 8 deletions
diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index c57e9d9..c4828d6 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -4241,8 +4241,7 @@ file The information in this data file is very dependent on the structure of the generated code, so you must use the same source code and the same optimization options for both compilations. -With @option{-fbranch-probabilities}, GCC puts a @samp{REG_EXEC_COUNT} -note on the first instruction of each basic block, and a +With @option{-fbranch-probabilities}, GCC puts a @samp{REG_BR_PROB} note on each @samp{JUMP_INSN} and @samp{CALL_INSN}. These can be used to improve optimization. Currently, they are only used in one place: in @file{reorg.c}, instead of guessing which path a diff --git a/gcc/doc/rtl.texi b/gcc/doc/rtl.texi index 7e696fa..b7b5b30 100644 --- a/gcc/doc/rtl.texi +++ b/gcc/doc/rtl.texi @@ -3283,12 +3283,6 @@ are stored in the @code{REG_NOTES} field of an insn as an @code{expr_list}. @table @code -@findex REG_EXEC_COUNT -@item REG_EXEC_COUNT -This is used to indicate the number of times a basic block was executed -according to the profile data. The note is attached to the first insn in -the basic block. - @findex REG_BR_PROB @item REG_BR_PROB This is used to specify the ratio of branches to non-branches of a |