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| author | Jan Hubicka <hubicka@ucw.cz> | 2015-05-05 03:42:07 +0200 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2015-05-05 01:42:07 +0000 |
| commit | 417402b80e0214008d7579a8a83d2b2e42c5d1a3 (patch) | |
| tree | ea268b30eb02f1f8ae41e1669b6b5f2030d33320 /gcc | |
| parent | 2bdf1dd58b6a19f34898e324c587c6ad3f291da1 (diff) | |
| download | gcc-417402b80e0214008d7579a8a83d2b2e42c5d1a3.zip gcc-417402b80e0214008d7579a8a83d2b2e42c5d1a3.tar.gz gcc-417402b80e0214008d7579a8a83d2b2e42c5d1a3.tar.bz2 | |
tree.c (verify_type): Check various uses of TYPE_MAXVAL...
* tree.c (verify_type): Check various uses of TYPE_MAXVAL;
fix overactive TYPE_MIN_VALUE check and add FIXME for type
compatibility problems.
From-SVN: r222792
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree.c | 67 |
2 files changed, 65 insertions, 8 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ce501ca..2ee4414 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2015-05-02 Jan Hubicka <hubicka@ucw.cz> + + * tree.c (verify_type): Check various uses of TYPE_MAXVAL; + fix overactive TYPE_MIN_VALUE check and add FIXME for type + compatibility problems. + 2015-05-04 Ajit Agarwal <ajitkum@xilinx.com> * config/microblaze/microblaze.md (cbranchsi4): Added immediate @@ -12621,14 +12621,9 @@ verify_type (const_tree t) } else if (INTEGRAL_TYPE_P (t) || TREE_CODE (t) == REAL_TYPE || TREE_CODE (t) == FIXED_POINT_TYPE) { - if (!TYPE_MIN_VALUE (t)) - ; - else if (!TREE_CONSTANT (TYPE_MIN_VALUE (t))) - { - error ("TYPE_MIN_VALUE is not constant"); - debug_tree (TYPE_MIN_VALUE (t)); - error_found = true; - } + /* FIXME: The following check should pass: + useless_type_conversion_p (const_cast <tree> (t), TREE_TYPE (TYPE_MIN_VALUE (t)) + bud does not for C sizetypes in LTO. */ } else if (TYPE_MINVAL (t)) { @@ -12637,6 +12632,62 @@ verify_type (const_tree t) error_found = true; } + /* Check various uses of TYPE_MAXVAL. */ + if (RECORD_OR_UNION_TYPE_P (t)) + { + if (TYPE_METHODS (t) && TREE_CODE (TYPE_METHODS (t)) != FUNCTION_DECL + && TREE_CODE (TYPE_METHODS (t)) != TEMPLATE_DECL) + { + error ("TYPE_METHODS is not FUNCTION_DECL nor TEMPLATE_DECL"); + debug_tree (TYPE_METHODS (t)); + error_found = true; + } + } + else if (TREE_CODE (t) == FUNCTION_TYPE || TREE_CODE (t) == METHOD_TYPE) + { + if (TYPE_METHOD_BASETYPE (t) + && TREE_CODE (TYPE_METHOD_BASETYPE (t)) != RECORD_TYPE + && TREE_CODE (TYPE_METHOD_BASETYPE (t)) != UNION_TYPE) + { + error ("TYPE_METHOD_BASETYPE is not record nor union"); + debug_tree (TYPE_METHOD_BASETYPE (t)); + error_found = true; + } + } + else if (TREE_CODE (t) == OFFSET_TYPE) + { + if (TYPE_OFFSET_BASETYPE (t) + && TREE_CODE (TYPE_OFFSET_BASETYPE (t)) != RECORD_TYPE + && TREE_CODE (TYPE_OFFSET_BASETYPE (t)) != UNION_TYPE) + { + error ("TYPE_OFFSET_BASETYPE is not record nor union"); + debug_tree (TYPE_OFFSET_BASETYPE (t)); + error_found = true; + } + } + else if (INTEGRAL_TYPE_P (t) || TREE_CODE (t) == REAL_TYPE || TREE_CODE (t) == FIXED_POINT_TYPE) + { + /* FIXME: The following check should pass: + useless_type_conversion_p (const_cast <tree> (t), TREE_TYPE (TYPE_MAX_VALUE (t)) + bud does not for C sizetypes in LTO. */ + } + else if (TREE_CODE (t) == ARRAY_TYPE) + { + if (TYPE_ARRAY_MAX_SIZE (t) + && TREE_CODE (TYPE_ARRAY_MAX_SIZE (t)) != INTEGER_CST) + { + error ("TYPE_ARRAY_MAX_SIZE not INTEGER_CST"); + debug_tree (TYPE_ARRAY_MAX_SIZE (t)); + error_found = true; + } + } + else if (TYPE_MAXVAL (t)) + { + error ("TYPE_MAXVAL non-NULL"); + debug_tree (TYPE_MAXVAL (t)); + error_found = true; + } + if (error_found) { |