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| author | Steven Bosscher <steven@gcc.gnu.org> | 2012-05-04 19:40:02 +0000 |
|---|---|---|
| committer | Steven Bosscher <steven@gcc.gnu.org> | 2012-05-04 19:40:02 +0000 |
| commit | 81e7aa8e7acb26abcd654c77ee4d088babf45ba1 (patch) | |
| tree | 8b7047a98b235d4c71864f97570e37e5c679ebd5 /gcc | |
| parent | 593dbe119116727d9af8dcccf8f6cb6f7a98c243 (diff) | |
| download | gcc-81e7aa8e7acb26abcd654c77ee4d088babf45ba1.zip gcc-81e7aa8e7acb26abcd654c77ee4d088babf45ba1.tar.gz gcc-81e7aa8e7acb26abcd654c77ee4d088babf45ba1.tar.bz2 | |
* doc/md.texi (attr_flag): Update for changes of previous revision.
From-SVN: r187179
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 2 | ||||
| -rw-r--r-- | gcc/doc/md.texi | 12 |
2 files changed, 3 insertions, 11 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index f09c70e..e04dbfb 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -5,6 +5,8 @@ ATTR_FLAG_very_likely, and ATTR_FLAG_very_unlikely. * reorg.c (get_jump_flags): Do not set the removed flags. + * doc/md.texi (attr_flag): Update for abovementioned changes. + 2012-05-04 Uros Bizjak <ubizjak@gmail.com> PR target/53228 diff --git a/gcc/doc/md.texi b/gcc/doc/md.texi index bca84a7..3e8e45c 100644 --- a/gcc/doc/md.texi +++ b/gcc/doc/md.texi @@ -7707,12 +7707,7 @@ scheduled. @var{name} is a string specifying one of a fixed set of flags to test. Test the flags @code{forward} and @code{backward} to determine the -direction of a conditional branch. Test the flags @code{very_likely}, -@code{likely}, @code{very_unlikely}, and @code{unlikely} to determine -if a conditional branch is expected to be taken. - -If the @code{very_likely} flag is true, then the @code{likely} flag is also -true. Likewise for the @code{very_unlikely} and @code{unlikely} flags. +direction of a conditional branch. This example describes a conditional branch delay slot which can be nullified for forward branches that are taken (annul-true) or @@ -7730,11 +7725,6 @@ for backward branches which are not taken (annul-false). The @code{forward} and @code{backward} flags are false if the current @code{insn} being scheduled is not a conditional branch. -The @code{very_likely} and @code{likely} flags are true if the -@code{insn} being scheduled is not a conditional branch. -The @code{very_unlikely} and @code{unlikely} flags are false if the -@code{insn} being scheduled is not a conditional branch. - @code{attr_flag} is only used during delay slot scheduling and has no meaning to other passes of the compiler. |