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riscv-gcc-1
Commit ec9aa895 by Richard Kenner
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(build_c_cast): Don't warn about alignment when we have an opaque type. 

From-SVN: r10982
parent bd5f6d44
Showing with 5 additions and 0 deletions
gcc/c-typeck.c
...@@ -3712,6 +3712,11 @@ build_c_cast (type, expr) ...@@ -3712,6 +3712,11 @@ build_c_cast (type, expr)
&& TREE_CODE (otype) == POINTER_TYPE && TREE_CODE (otype) == POINTER_TYPE
&& TREE_CODE (TREE_TYPE (otype)) != VOID_TYPE && TREE_CODE (TREE_TYPE (otype)) != VOID_TYPE
&& TREE_CODE (TREE_TYPE (otype)) != FUNCTION_TYPE && TREE_CODE (TREE_TYPE (otype)) != FUNCTION_TYPE
/* Don't warn about opaque types, where the actual alignment
restriction is unknown. */
&& !((TREE_CODE (TREE_TYPE (otype)) == UNION_TYPE
|| TREE_CODE (TREE_TYPE (otype)) == RECORD_TYPE)
&& TYPE_MODE (TREE_TYPE (otype)) == VOIDmode)
&& TYPE_ALIGN (TREE_TYPE (type)) > TYPE_ALIGN (TREE_TYPE (otype))) && TYPE_ALIGN (TREE_TYPE (type)) > TYPE_ALIGN (TREE_TYPE (otype)))
warning ("cast increases required alignment of target type"); warning ("cast increases required alignment of target type");
......
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