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author | wilson <wilson@138bc75d-0d04-0410-961f-82ee72b054a4> | 1996-01-24 19:54:00 +0000 |
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committer | wilson <wilson@138bc75d-0d04-0410-961f-82ee72b054a4> | 1996-01-24 19:54:00 +0000 |
commit | 93a8e0a1786ff3271248029958d9037b7a9aed41 (patch) | |
tree | 51ea88e4b803dc7a306373245564583a678e7df8 /gcc/loop.h | |
parent | 47e5db10922f1537baefbfc0715f5c1f3f0fde57 (diff) | |
download | ppe42-gcc-93a8e0a1786ff3271248029958d9037b7a9aed41.tar.gz ppe42-gcc-93a8e0a1786ff3271248029958d9037b7a9aed41.zip |
(struct induction): New fields always_executed and
auto_inc_opt.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@11089 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/loop.h')
-rw-r--r-- | gcc/loop.h | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/gcc/loop.h b/gcc/loop.h index 4c9c483e411..fdb2f1fe32e 100644 --- a/gcc/loop.h +++ b/gcc/loop.h @@ -75,7 +75,9 @@ struct induction even if further info is available. Both this and the above can be zero. */ unsigned ignore : 1; /* 1 prohibits further processing of giv */ - unsigned always_computable : 1;/* 1 if this set occurs each iteration */ + unsigned always_computable : 1;/* 1 if this value is computable every + iteration. */ + unsigned always_executed : 1; /* 1 if this set occurs each iteration. */ unsigned maybe_multiple : 1; /* Only used for a biv and 1 if this biv update may be done multiple times per iteration. */ @@ -88,6 +90,8 @@ struct induction unsigned maybe_dead : 1; /* 1 if this giv might be dead. In that case, we won't use it to eliminate a biv, it would probably lose. */ + unsigned auto_inc_opt : 1; /* 1 if this giv had its increment output next + to it to try to form an auto-inc address. */ int lifetime; /* Length of life of this giv */ int times_used; /* # times this giv is used. */ rtx derive_adjustment; /* If nonzero, is an adjustment to be |