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| author | Richard Henderson <rth@cygnus.com> | 2000-05-25 16:19:35 -0700 |
|---|---|---|
| committer | Richard Henderson <rth@gcc.gnu.org> | 2000-05-25 16:19:35 -0700 |
| commit | a0ee3b83359ace5b2fb7cd0d400d99472e5738c3 (patch) | |
| tree | e9e6b6c1c3a05a39b8ce15aef72a2bd28f8b5522 /gcc | |
| parent | 7f1c097d36682769f1f3f8fd72c7845d545104ed (diff) | |
| download | gcc-a0ee3b83359ace5b2fb7cd0d400d99472e5738c3.zip gcc-a0ee3b83359ace5b2fb7cd0d400d99472e5738c3.tar.gz gcc-a0ee3b83359ace5b2fb7cd0d400d99472e5738c3.tar.bz2 | |
* flow.c (mark_set_1): Don't record conditionally dead memory.
From-SVN: r34176
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/flow.c | 2 |
2 files changed, 6 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 287cfb8..084920a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,7 @@ +2000-05-25 Richard Henderson <rth@cygnus.com> + + * flow.c (mark_set_1): Don't record conditionally dead memory. + 2000-05-25 Jan Hubicka <jh@suse.cz> * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p @@ -4252,6 +4252,8 @@ mark_set_1 (pbi, code, reg, cond, insn, flags) invalidate_mems_from_autoinc (pbi, insn); if (GET_CODE (reg) == MEM && ! side_effects_p (reg) + /* ??? With more effort we could track conditional memory life. */ + && ! cond /* We do not know the size of a BLKmode store, so we do not track them for redundant store elimination. */ && GET_MODE (reg) != BLKmode |