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| author | Martin Liska <mliska@suse.cz> | 2019-10-30 12:56:58 +0100 |
|---|---|---|
| committer | Martin Liska <marxin@gcc.gnu.org> | 2019-10-30 11:56:58 +0000 |
| commit | 96e05bf5aece312bb35736bf3b6bd59560b312a1 (patch) | |
| tree | 000d2a316048372851a2efb901c57216d62436e3 /gcc/fold-const.c | |
| parent | 0f92815326da137187fdf8841f48f6013a6022ed (diff) | |
| download | gcc-96e05bf5aece312bb35736bf3b6bd59560b312a1.zip gcc-96e05bf5aece312bb35736bf3b6bd59560b312a1.tar.gz gcc-96e05bf5aece312bb35736bf3b6bd59560b312a1.tar.bz2 | |
operand_equal_p: add support for OBJ_TYPE_REF.
2019-10-30 Martin Liska <mliska@suse.cz>
* fold-const.c (operand_equal_p): Support OBJ_TYPE_REF.
* tree.c (add_expr): Hash parts of OBJ_TYPE_REF.
From-SVN: r277612
Diffstat (limited to 'gcc/fold-const.c')
| -rw-r--r-- | gcc/fold-const.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/gcc/fold-const.c b/gcc/fold-const.c index 58b967e..8c6e510 100644 --- a/gcc/fold-const.c +++ b/gcc/fold-const.c @@ -3325,6 +3325,24 @@ operand_equal_p (const_tree arg0, const_tree arg1, unsigned int flags) flags &= ~OEP_ADDRESS_OF; return OP_SAME (1) && OP_SAME (2); + /* Virtual table call. */ + case OBJ_TYPE_REF: + { + if (!operand_equal_p (OBJ_TYPE_REF_EXPR (arg0), + OBJ_TYPE_REF_EXPR (arg1), flags)) + return false; + if (tree_to_uhwi (OBJ_TYPE_REF_TOKEN (arg0)) + != tree_to_uhwi (OBJ_TYPE_REF_TOKEN (arg1))) + return false; + if (!operand_equal_p (OBJ_TYPE_REF_OBJECT (arg0), + OBJ_TYPE_REF_OBJECT (arg1), flags)) + return false; + if (!types_same_for_odr (obj_type_ref_class (arg0), + obj_type_ref_class (arg1))) + return false; + return true; + } + default: return false; } |