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| author | Ilya Enkovich <enkovich.gnu@gmail.com> | 2015-10-23 22:41:40 +0000 |
|---|---|---|
| committer | Ilya Enkovich <ienkovich@gcc.gnu.org> | 2015-10-23 22:41:40 +0000 |
| commit | bfccadc9249b4c55b748ddefbec8c8344f6deac2 (patch) | |
| tree | 0183b2df94ca158b6fb9bf07fa4090648b6787df | |
| parent | 486208e77a7b49e1aa975d03773b5f827e6d27d9 (diff) | |
| download | gcc-bfccadc9249b4c55b748ddefbec8c8344f6deac2.zip gcc-bfccadc9249b4c55b748ddefbec8c8344f6deac2.tar.gz gcc-bfccadc9249b4c55b748ddefbec8c8344f6deac2.tar.bz2 | |
tree-vect-generic.c (expand_vector_operations_1): Check optab exists before use it.
gcc/
* tree-vect-generic.c (expand_vector_operations_1): Check
optab exists before use it.
gcc/testsuite/
* g++.dg/pr68062.C: New test.
From-SVN: r229275
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 4 | ||||
| -rw-r--r-- | gcc/testsuite/g++.dg/pr68062.C | 13 | ||||
| -rw-r--r-- | gcc/tree-vect-generic.c | 3 |
4 files changed, 24 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 03e2b5c..e7f94c4 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,5 +1,10 @@ 2015-10-23 Ilya Enkovich <enkovich.gnu@gmail.com> + * tree-vect-generic.c (expand_vector_operations_1): Check + optab exists before use it. + +2015-10-23 Ilya Enkovich <enkovich.gnu@gmail.com> + * tree-vect-generic.c (expand_vector_condition): Avoid uninitialized variable warning. diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index fed7d10..4cdccf21 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,7 @@ +2015-10-23 Ilya Enkovich <enkovich.gnu@gmail.com> + + * g++.dg/pr68062.C: New test. + 2015-10-23 Jeff Law <law@redhat.com> PR tree-optimization/67830 diff --git a/gcc/testsuite/g++.dg/pr68062.C b/gcc/testsuite/g++.dg/pr68062.C new file mode 100644 index 0000000..236a488 --- /dev/null +++ b/gcc/testsuite/g++.dg/pr68062.C @@ -0,0 +1,13 @@ +/* { dg-do compile } */ +/* { dg-options "-funsigned-char" } */ + +typedef char __attribute__ ((vector_size (4))) v4qi; +typedef unsigned char __attribute__ ((vector_size (4))) uv4qi; + +v4qi v; +void ret(char a) +{ + v4qi c={a,a,a,a}; + uv4qi d={a,a,a,a}; + v = (c!=d); +} diff --git a/gcc/tree-vect-generic.c b/gcc/tree-vect-generic.c index d1fc0ba..d0a4e0f 100644 --- a/gcc/tree-vect-generic.c +++ b/gcc/tree-vect-generic.c @@ -1533,7 +1533,8 @@ expand_vector_operations_1 (gimple_stmt_iterator *gsi) && TYPE_MODE (TREE_TYPE (type)) == TYPE_MODE (TREE_TYPE (srhs1))) { op = optab_for_tree_code (code, TREE_TYPE (type), optab_scalar); - if (optab_handler (op, TYPE_MODE (TREE_TYPE (type))) != CODE_FOR_nothing) + if (op != unknown_optab + && optab_handler (op, TYPE_MODE (TREE_TYPE (type))) != CODE_FOR_nothing) { tree slhs = make_ssa_name (TREE_TYPE (srhs1)); gimple *repl = gimple_build_assign (slhs, code, srhs1, srhs2); |