diff options
Diffstat (limited to 'gcc/tree-vectorizer.h')
| -rw-r--r-- | gcc/tree-vectorizer.h | 61 |
1 files changed, 33 insertions, 28 deletions
diff --git a/gcc/tree-vectorizer.h b/gcc/tree-vectorizer.h index e1900279..0a75ee1 100644 --- a/gcc/tree-vectorizer.h +++ b/gcc/tree-vectorizer.h @@ -173,6 +173,8 @@ struct vect_scalar_ops_slice_hash : typed_noop_remove<vect_scalar_ops_slice> /* Describes how we're going to vectorize an individual load or store, or a group of loads or stores. */ enum vect_memory_access_type { + VMAT_UNINITIALIZED, + /* An access to an invariant address. This is used only for loads. */ VMAT_INVARIANT, @@ -239,6 +241,23 @@ typedef auto_vec<std::pair<unsigned, unsigned>, 16> auto_lane_permutation_t; typedef vec<unsigned> load_permutation_t; typedef auto_vec<unsigned, 16> auto_load_permutation_t; +struct vect_data { + virtual ~vect_data () = default; +}; + +/* Analysis data from vectorizable_simd_clone_call for + call_simd_clone_vec_info_type. */ +struct vect_simd_clone_data : vect_data { + virtual ~vect_simd_clone_data () = default; + vect_simd_clone_data () = default; + vect_simd_clone_data (vect_simd_clone_data &&other) = default; + + /* Selected SIMD clone's function info. First vector element + is SIMD clone's function decl, followed by a pair of trees (base + step) + for linear arguments (pair of NULLs for other arguments). */ + auto_vec<tree> simd_clone_info; +}; + /* A computation tree of an SLP instance. Each node corresponds to a group of stmts to be packed in a SIMD stmt. */ struct _slp_tree { @@ -267,11 +286,6 @@ struct _slp_tree { denotes the number of output lanes. */ lane_permutation_t lane_permutation; - /* Selected SIMD clone's function info. First vector element - is SIMD clone's function decl, followed by a pair of trees (base + step) - for linear arguments (pair of NULLs for other arguments). */ - vec<tree> simd_clone_info; - tree vectype; /* Vectorized defs. */ vec<tree> vec_defs; @@ -305,12 +319,13 @@ struct _slp_tree { for loop vectorization. */ vect_memory_access_type memory_access_type; - /* The kind of operation as determined by analysis and a tagged - union with kind specific data. */ + /* The kind of operation as determined by analysis and optional + kind specific data. */ enum stmt_vec_info_type type; - union { - void *undef; - } u; + vect_data *data; + + template <class T> + T& get_data (T& else_) { return data ? *static_cast <T *> (data) : else_; } /* If not NULL this is a cached failed SLP discovery attempt with the lanes that failed during SLP discovery as 'false'. This is @@ -390,7 +405,6 @@ public: #define SLP_TREE_NUMBER_OF_VEC_STMTS(S) (S)->vec_stmts_size #define SLP_TREE_LOAD_PERMUTATION(S) (S)->load_permutation #define SLP_TREE_LANE_PERMUTATION(S) (S)->lane_permutation -#define SLP_TREE_SIMD_CLONE_INFO(S) (S)->simd_clone_info #define SLP_TREE_DEF_TYPE(S) (S)->def_type #define SLP_TREE_VECTYPE(S) (S)->vectype #define SLP_TREE_REPRESENTATIVE(S) (S)->representative @@ -1438,10 +1452,6 @@ public: /* For both loads and stores. */ unsigned simd_lane_access_p : 3; - /* Classifies how the load or store is going to be implemented - for loop vectorization. */ - vect_memory_access_type memory_access_type; - /* For INTEGER_INDUC_COND_REDUCTION, the initial value to be used. */ tree induc_cond_initial_val; @@ -1584,7 +1594,6 @@ struct gather_scatter_info { #define STMT_VINFO_DATA_REF(S) ((S)->dr_aux.dr + 0) #define STMT_VINFO_GATHER_SCATTER_P(S) (S)->gather_scatter_p #define STMT_VINFO_STRIDED_P(S) (S)->strided_p -#define STMT_VINFO_MEMORY_ACCESS_TYPE(S) (S)->memory_access_type #define STMT_VINFO_SIMD_LANE_ACCESS_P(S) (S)->simd_lane_access_p #define STMT_VINFO_VEC_INDUC_COND_INITIAL_VAL(S) (S)->induc_cond_initial_val #define STMT_VINFO_REDUC_EPILOGUE_ADJUSTMENT(S) (S)->reduc_epilogue_adjustment @@ -1718,6 +1727,7 @@ public: unsigned int total_cost () const; unsigned int suggested_unroll_factor () const; machine_mode suggested_epilogue_mode (int &masked) const; + bool costing_for_scalar () const { return m_costing_for_scalar; } protected: unsigned int record_stmt_cost (stmt_vec_info, vect_cost_model_location, @@ -2000,6 +2010,13 @@ add_stmt_cost (vector_costs *costs, int count, tree vectype, int misalign, enum vect_cost_model_location where) { + /* Even though a vector type might be set on stmt do not pass that on when + costing the scalar IL. A SLP node shouldn't have been recorded. */ + if (costs->costing_for_scalar ()) + { + vectype = NULL_TREE; + gcc_checking_assert (node == NULL); + } unsigned cost = costs->add_stmt_cost (count, kind, stmt_info, node, vectype, misalign, where); if (dump_file && (dump_flags & TDF_DETAILS)) @@ -2825,18 +2842,6 @@ vect_is_reduction (stmt_vec_info stmt_info) return STMT_VINFO_REDUC_IDX (stmt_info) >= 0; } -/* Returns the memory acccess type being used to vectorize the statement. If - SLP this is read from NODE, otherwise it's read from the STMT_VINFO. */ - -inline vect_memory_access_type -vect_mem_access_type (stmt_vec_info stmt_info, slp_tree node) -{ - if (node) - return SLP_TREE_MEMORY_ACCESS_TYPE (node); - else - return STMT_VINFO_MEMORY_ACCESS_TYPE (stmt_info); -} - /* If STMT_INFO describes a reduction, return the vect_reduction_type of the reduction it describes, otherwise return -1. */ inline int |