diff options
| author | Alexander Ivchenko <alexander.ivchenko@intel.com> | 2016-12-27 13:31:43 +0000 |
|---|---|---|
| committer | Alexander Ivchenko <aivchenk@gcc.gnu.org> | 2016-12-27 13:31:43 +0000 |
| commit | 8ba4f506395ff50be7ecf788734676c9f4cfd200 (patch) | |
| tree | f1e12d47165d6fd6b71f33d3c80dcef9aa8c9325 /gcc/tree-chkp.c | |
| parent | 5735741b128fecd49f45170b8a85e12ee7771371 (diff) | |
| download | gcc-8ba4f506395ff50be7ecf788734676c9f4cfd200.zip gcc-8ba4f506395ff50be7ecf788734676c9f4cfd200.tar.gz gcc-8ba4f506395ff50be7ecf788734676c9f4cfd200.tar.bz2 | |
c.opt (flag_chkp_flexible_struct_trailing_arrays): Add new option.
2016-12-27 Alexander Ivchenko <alexander.ivchenko@intel.com>
* c-family/c.opt (flag_chkp_flexible_struct_trailing_arrays):
Add new option.
(fchkp-narrow-to-innermost-array): Fix typo.
* doc/cpp.texi (flag_chkp_flexible_struct_trailing_arrays): Ditto.
* tree-chkp.c (chkp_may_narrow_to_field ): Forbid
narrowing when flag_chkp_flexible_struct_trailing_arrays is used
and the field is the last array field in the structure.
2016-12-27 Alexander Ivchenko <alexander.ivchenko@intel.com>
* gcc.target/i386/mpx/vla-trailing-1-lbv.c: New test.
* gcc.target/i386/mpx/vla-trailing-1-nov.c: Ditto.
* gcc.target/i386/mpx/vla-trailing-1-ubv.c: Ditto.
From-SVN: r243936
Diffstat (limited to 'gcc/tree-chkp.c')
| -rw-r--r-- | gcc/tree-chkp.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/gcc/tree-chkp.c b/gcc/tree-chkp.c index 2769682..6c7862c 100644 --- a/gcc/tree-chkp.c +++ b/gcc/tree-chkp.c @@ -3272,6 +3272,9 @@ chkp_may_narrow_to_field (tree field) { return DECL_SIZE (field) && TREE_CODE (DECL_SIZE (field)) == INTEGER_CST && tree_to_uhwi (DECL_SIZE (field)) != 0 + && !(flag_chkp_flexible_struct_trailing_arrays + && TREE_CODE(TREE_TYPE(field)) == ARRAY_TYPE + && !DECL_CHAIN (field)) && (!DECL_FIELD_OFFSET (field) || TREE_CODE (DECL_FIELD_OFFSET (field)) == INTEGER_CST) && (!DECL_FIELD_BIT_OFFSET (field) |