diff options
| author | dnovillo <dnovillo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-08-19 18:00:25 +0000 |
|---|---|---|
| committer | dnovillo <dnovillo@138bc75d-0d04-0410-961f-82ee72b054a4> | 2005-08-19 18:00:25 +0000 |
| commit | 449ec7dc7c89a5733d3a69a9b2180f5e8dfe02ee (patch) | |
| tree | 32e230a79c7a384bc545845518a1811fd59becd6 | |
| parent | ea3f88a7ac1530a15735baa859c7b2699180b915 (diff) | |
| download | gcc-449ec7dc7c89a5733d3a69a9b2180f5e8dfe02ee.tar.gz | |
* doc/invoke.texi: Fix documentation for -ftree-dominator-opts.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@103289 138bc75d-0d04-0410-961f-82ee72b054a4
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/doc/invoke.texi | 7 |
2 files changed, 9 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 7631710d0c2..7b7465ab5ce 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2005-08-19 Diego Novillo <dnovillo@redhat.com> + + * doc/invoke.texi: Fix documentation for -ftree-dominator-opts. + 2005-08-19 Devang Patel <dpatel@apple.com> PR tree-optimization/23048 diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi index caef60bd96e..8e4cb80d7f2 100644 --- a/gcc/doc/invoke.texi +++ b/gcc/doc/invoke.texi @@ -4960,8 +4960,11 @@ Perform dead code elimination (DCE) on trees. This flag is enabled by default at @option{-O} and higher. @item -ftree-dominator-opts -Perform dead code elimination (DCE) on trees. This flag is enabled by -default at @option{-O} and higher. +Perform a variety of simple scalar cleanups (constant/copy +propagation, redundancy elimination, range propagation and expression +simplification) based on a dominator tree traversal. This also +performs jump threading (to reduce jumps to jumps). This flag is +enabled by default at @option{-O} and higher. @item -ftree-ch Perform loop header copying on trees. This is beneficial since it increases |