diff options
Diffstat (limited to 'gcc/gimplify.c')
| -rw-r--r-- | gcc/gimplify.c | 59 |
1 files changed, 59 insertions, 0 deletions
diff --git a/gcc/gimplify.c b/gcc/gimplify.c index 8c2c5ac2c9c..99e0d0dad90 100644 --- a/gcc/gimplify.c +++ b/gcc/gimplify.c @@ -413,6 +413,8 @@ create_tmp_var_name (const char *prefix) char *preftmp = ASTRDUP (prefix); remove_suffix (preftmp, strlen (preftmp)); + clean_symbol_name (preftmp); + prefix = preftmp; } @@ -1072,6 +1074,12 @@ voidify_wrapper_expr (tree wrapper, tree temp) } break; + case TRANSACTION_EXPR: + TREE_SIDE_EFFECTS (*p) = 1; + TREE_TYPE (*p) = void_type_node; + p = &TRANSACTION_EXPR_BODY (*p); + break; + default: goto out; } @@ -6527,6 +6535,53 @@ gimplify_omp_atomic (tree *expr_p, gimple_seq *pre_p) return GS_ALL_DONE; } +/* Gimplify a TRANSACTION_EXPR. This involves gimplification of the + body, and adding some EH bits. */ + +static enum gimplify_status +gimplify_transaction (tree *expr_p, gimple_seq *pre_p) +{ + tree expr = *expr_p, temp, tbody = TRANSACTION_EXPR_BODY (expr); + gimple g; + gimple_seq body = NULL; + struct gimplify_ctx gctx; + int subcode = 0; + + /* Wrap the transaction body in a BIND_EXPR so we have a context + where to put decls for OpenMP. */ + if (TREE_CODE (tbody) != BIND_EXPR) + { + tree bind = build3 (BIND_EXPR, void_type_node, NULL, tbody, NULL); + TREE_SIDE_EFFECTS (bind) = 1; + SET_EXPR_LOCATION (bind, EXPR_LOCATION (tbody)); + TRANSACTION_EXPR_BODY (expr) = bind; + } + + push_gimplify_context (&gctx); + temp = voidify_wrapper_expr (*expr_p, NULL); + + g = gimplify_and_return_first (TRANSACTION_EXPR_BODY (expr), &body); + pop_gimplify_context (g); + + g = gimple_build_transaction (body, NULL); + if (TRANSACTION_EXPR_OUTER (expr)) + subcode = GTMA_IS_OUTER; + else if (TRANSACTION_EXPR_RELAXED (expr)) + subcode = GTMA_IS_RELAXED; + gimple_transaction_set_subcode (g, subcode); + + gimplify_seq_add_stmt (pre_p, g); + + if (temp) + { + *expr_p = temp; + return GS_OK; + } + + *expr_p = NULL_TREE; + return GS_ALL_DONE; +} + /* Convert the GENERIC expression tree *EXPR_P to GIMPLE. If the expression produces a value to be used as an operand inside a GIMPLE statement, the value will be stored back in *EXPR_P. This value will @@ -7251,6 +7306,10 @@ gimplify_expr (tree *expr_p, gimple_seq *pre_p, gimple_seq *post_p, ret = gimplify_omp_atomic (expr_p, pre_p); break; + case TRANSACTION_EXPR: + ret = gimplify_transaction (expr_p, pre_p); + break; + case TRUTH_AND_EXPR: case TRUTH_OR_EXPR: case TRUTH_XOR_EXPR: |