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| author | Eric Botcazou <ebotcazou@adacore.com> | 2016-06-13 17:44:12 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2016-06-13 17:44:12 +0000 |
| commit | ec67c62e3c3b4f2cc6f328135b87f562e20e1b75 (patch) | |
| tree | 81bb2a02f5c31224f0fa271f5c363233b4162739 /gcc | |
| parent | f7e4f2e3f34178795180ed6160b135eb7072c987 (diff) | |
| download | gcc-ec67c62e3c3b4f2cc6f328135b87f562e20e1b75.zip gcc-ec67c62e3c3b4f2cc6f328135b87f562e20e1b75.tar.gz gcc-ec67c62e3c3b4f2cc6f328135b87f562e20e1b75.tar.bz2 | |
tree-ssa-sccvn.c (vn_reference_lookup_3): Use a uniform test and update shared_lookup_references only once after changing...
* tree-ssa-sccvn.c (vn_reference_lookup_3): Use a uniform test and
update shared_lookup_references only once after changing operands.
From-SVN: r237388
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/tree-ssa-sccvn.c | 9 |
2 files changed, 7 insertions, 7 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 89098e7..b1026bd 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2016-06-13 Eric Botcazou <ebotcazou@adacore.com> + + * tree-ssa-sccvn.c (vn_reference_lookup_3): Use a uniform test and + update shared_lookup_references only once after changing operands. + 2016-06-13 Thomas Schwinge <thomas@codesourcery.com> PR middle-end/71373 diff --git a/gcc/tree-ssa-sccvn.c b/gcc/tree-ssa-sccvn.c index 730db04..0cbd2cd 100644 --- a/gcc/tree-ssa-sccvn.c +++ b/gcc/tree-ssa-sccvn.c @@ -2089,11 +2089,7 @@ vn_reference_lookup_3 (ao_ref *ref, tree vuse, void *vr_, /* We need to pre-pend vr->operands[0..i] to rhs. */ vec<vn_reference_op_s> old = vr->operands; if (i + 1 + rhs.length () > vr->operands.length ()) - { - vr->operands.safe_grow (i + 1 + rhs.length ()); - if (old == shared_lookup_references) - shared_lookup_references = vr->operands; - } + vr->operands.safe_grow (i + 1 + rhs.length ()); else vr->operands.truncate (i + 1 + rhs.length ()); FOR_EACH_VEC_ELT (rhs, j, vro) @@ -2244,8 +2240,7 @@ vn_reference_lookup_3 (ao_ref *ref, tree vuse, void *vr_, { vec<vn_reference_op_s> old = vr->operands; vr->operands.safe_grow_cleared (2); - if (old == shared_lookup_references - && vr->operands != old) + if (old == shared_lookup_references) shared_lookup_references = vr->operands; } else |