diff options
Diffstat (limited to 'gcc/fortran/frontend-passes.c')
-rw-r--r-- | gcc/fortran/frontend-passes.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/gcc/fortran/frontend-passes.c b/gcc/fortran/frontend-passes.c index a20d9ef..5f83ad2 100644 --- a/gcc/fortran/frontend-passes.c +++ b/gcc/fortran/frontend-passes.c @@ -92,6 +92,10 @@ static int forall_level; static bool in_omp_workshare; +/* Keep track of whether we are within an OMP atomic. */ + +static bool in_omp_atomic; + /* Keep track of whether we are within a WHERE statement. */ static bool in_where; @@ -913,9 +917,9 @@ cfe_expr_0 (gfc_expr **e, int *walk_subtrees, gfc_expr *newvar; gfc_expr **ei, **ej; - /* Don't do this optimization within OMP workshare or ASSOC lists. */ + /* Don't do this optimization within OMP workshare/atomic or ASSOC lists. */ - if (in_omp_workshare || in_assoc_list) + if (in_omp_workshare || in_omp_atomic || in_assoc_list) { *walk_subtrees = 0; return 0; @@ -1464,6 +1468,7 @@ optimize_namespace (gfc_namespace *ns) iterator_level = 0; in_assoc_list = false; in_omp_workshare = false; + in_omp_atomic = false; if (flag_frontend_optimize) { @@ -2818,7 +2823,7 @@ matmul_to_var_expr (gfc_expr **ep, int *walk_subtrees ATTRIBUTE_UNUSED, return 0; if (forall_level > 0 || iterator_level > 0 || in_omp_workshare - || in_where || in_assoc_list) + || in_omp_atomic || in_where || in_assoc_list) return 0; /* Check if this is already in the form c = matmul(a,b). */ @@ -2880,7 +2885,7 @@ matmul_temp_args (gfc_code **c, int *walk_subtrees ATTRIBUTE_UNUSED, return 0; if (forall_level > 0 || iterator_level > 0 || in_omp_workshare - || in_where) + || in_omp_atomic || in_where) return 0; /* This has some duplication with inline_matmul_assign. This @@ -3848,7 +3853,7 @@ inline_matmul_assign (gfc_code **c, int *walk_subtrees, /* For now don't do anything in OpenMP workshare, it confuses its translation, which expects only the allowed statements in there. We should figure out how to parallelize this eventually. */ - if (in_omp_workshare) + if (in_omp_workshare || in_omp_atomic) return 0; expr1 = co->expr1; @@ -4385,7 +4390,7 @@ call_external_blas (gfc_code **c, int *walk_subtrees ATTRIBUTE_UNUSED, /* For now don't do anything in OpenMP workshare, it confuses its translation, which expects only the allowed statements in there. */ - if (in_omp_workshare) + if (in_omp_workshare | in_omp_atomic) return 0; expr1 = co->expr1; @@ -5047,6 +5052,7 @@ gfc_code_walker (gfc_code **c, walk_code_fn_t codefn, walk_expr_fn_t exprfn, gfc_code *co; gfc_association_list *alist; bool saved_in_omp_workshare; + bool saved_in_omp_atomic; bool saved_in_where; /* There might be statement insertions before the current code, @@ -5054,6 +5060,7 @@ gfc_code_walker (gfc_code **c, walk_code_fn_t codefn, walk_expr_fn_t exprfn, co = *c; saved_in_omp_workshare = in_omp_workshare; + saved_in_omp_atomic = in_omp_atomic; saved_in_where = in_where; switch (co->op) @@ -5251,6 +5258,10 @@ gfc_code_walker (gfc_code **c, walk_code_fn_t codefn, walk_expr_fn_t exprfn, WALK_SUBEXPR (co->ext.dt->extra_comma); break; + case EXEC_OMP_ATOMIC: + in_omp_atomic = true; + break; + case EXEC_OMP_PARALLEL: case EXEC_OMP_PARALLEL_DO: case EXEC_OMP_PARALLEL_DO_SIMD: @@ -5368,6 +5379,7 @@ gfc_code_walker (gfc_code **c, walk_code_fn_t codefn, walk_expr_fn_t exprfn, select_level --; in_omp_workshare = saved_in_omp_workshare; + in_omp_atomic = saved_in_omp_atomic; in_where = saved_in_where; } } |