diff options
| author | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-01-10 16:29:59 +0000 |
|---|---|---|
| committer | rguenth <rguenth@138bc75d-0d04-0410-961f-82ee72b054a4> | 2008-01-10 16:29:59 +0000 |
| commit | 6d6adc8244cb54e2f54cca3dee7b30ac78d41800 (patch) | |
| tree | b726f231ab27c722f6487972dd07e93fc0229560 /gcc/tree-ssa-sccvn.h | |
| parent | b050ae3ebef396b69ae7cf83ec7b82afc12f36d5 (diff) | |
| download | gcc-6d6adc8244cb54e2f54cca3dee7b30ac78d41800.tar.gz | |
2008-01-10 Steven Bosscher <stevenb.gcc@gmail.com>
* tree-ssa-sccvn.h (struct vn_ssa_aux): Make the most accessed
field (valnum) the first in the struct. Replace bools with
unit bit fields.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@131444 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/tree-ssa-sccvn.h')
| -rw-r--r-- | gcc/tree-ssa-sccvn.h | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/gcc/tree-ssa-sccvn.h b/gcc/tree-ssa-sccvn.h index f434e95f276..1f8f83b494c 100644 --- a/gcc/tree-ssa-sccvn.h +++ b/gcc/tree-ssa-sccvn.h @@ -26,23 +26,24 @@ extern tree VN_TOP; typedef struct vn_ssa_aux { - /* SCC information. */ - unsigned int dfsnum; - bool visited; - unsigned int low; - bool on_sccstack; - /* Value number. This may be an SSA name or a constant. */ tree valnum; /* Representative expression, if not a direct constant. */ tree expr; + + /* SCC information. */ + unsigned int dfsnum; + unsigned int low; + unsigned visited : 1; + unsigned on_sccstack : 1; + /* Whether the representative expression contains constants. */ - bool has_constants; + unsigned has_constants : 1; /* Whether the SSA_NAME has been value numbered already. This is only saying whether visit_use has been called on it at least once. It cannot be used to avoid visitation for SSA_NAME's involved in non-singleton SCC's. */ - bool use_processed; + unsigned use_processed : 1; } *vn_ssa_aux_t; /* Return the value numbering info for an SSA_NAME. */ |