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author | Eric Botcazou <ebotcazou@adacore.com> | 2017-08-11 13:06:43 +0000 |
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committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2017-08-11 13:06:43 +0000 |
commit | 89e18b1a7be89b5a09ef8dc2cf1fda9442b88b89 (patch) | |
tree | bf79a31ab918c22330a2c8995f0e9b84c5debf89 /gcc/tree-sra.c | |
parent | fe8a99d8cdcfacf14b603b99a7730d18ce0ccd1f (diff) |
tree-sra.c (build_access_from_expr_1): Use more precise diagnostics for storage order barriers.
* tree-sra.c (build_access_from_expr_1): Use more precise diagnostics
for storage order barriers.
From-SVN: r251050
Diffstat (limited to 'gcc/tree-sra.c')
-rw-r--r-- | gcc/tree-sra.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/gcc/tree-sra.c b/gcc/tree-sra.c index c9865c6eb31..68edbce21b3 100644 --- a/gcc/tree-sra.c +++ b/gcc/tree-sra.c @@ -1175,11 +1175,17 @@ build_access_from_expr_1 (tree expr, gimple *stmt, bool write) else partial_ref = false; + if (storage_order_barrier_p (expr)) + { + disqualify_base_of_expr (expr, "storage order barrier."); + return NULL; + } + /* We need to dive through V_C_Es in order to get the size of its parameter and not the result type. Ada produces such statements. We are also capable of handling the topmost V_C_E but not any of those buried in other handled components. */ - if (TREE_CODE (expr) == VIEW_CONVERT_EXPR && !storage_order_barrier_p (expr)) + if (TREE_CODE (expr) == VIEW_CONVERT_EXPR) expr = TREE_OPERAND (expr, 0); if (contains_view_convert_expr_p (expr)) |