diff options
Diffstat (limited to 'contrib/gcc/gimplify.c')
| -rw-r--r-- | contrib/gcc/gimplify.c | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/contrib/gcc/gimplify.c b/contrib/gcc/gimplify.c index 014a6e6..e6c0d1f 100644 --- a/contrib/gcc/gimplify.c +++ b/contrib/gcc/gimplify.c @@ -4053,6 +4053,19 @@ gimplify_asm_expr (tree *expr_p, tree *pre_p, tree *post_p) parse_input_constraint (&constraint, 0, 0, noutputs, 0, oconstraints, &allows_mem, &allows_reg); + /* If we can't make copies, we can only accept memory. */ + if (TREE_ADDRESSABLE (TREE_TYPE (TREE_VALUE (link)))) + { + if (allows_mem) + allows_reg = 0; + else + { + error ("impossible constraint in %<asm%>"); + error ("non-memory input %d must stay in memory", i); + return GS_ERROR; + } + } + /* If the operand is a memory input, it should be an lvalue. */ if (!allows_reg && allows_mem) { @@ -4802,7 +4815,20 @@ gimplify_adjust_omp_clauses_1 (splay_tree_node n, void *data) else if (flags & GOVD_SHARED) { if (is_global_var (decl)) - return 0; + { + struct gimplify_omp_ctx *ctx = gimplify_omp_ctxp->outer_context; + while (ctx != NULL) + { + splay_tree_node on + = splay_tree_lookup (ctx->variables, (splay_tree_key) decl); + if (on && (on->value & (GOVD_FIRSTPRIVATE | GOVD_LASTPRIVATE + | GOVD_PRIVATE | GOVD_REDUCTION)) != 0) + break; + ctx = ctx->outer_context; + } + if (ctx == NULL) + return 0; + } code = OMP_CLAUSE_SHARED; } else if (flags & GOVD_PRIVATE) |
