diff options
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/tree-vect-loop.c | 43 | ||||
| -rw-r--r-- | gcc/tree-vect-stmts.c | 26 | ||||
| -rw-r--r-- | gcc/tree-vectorizer.h | 2 |
3 files changed, 10 insertions, 61 deletions
diff --git a/gcc/tree-vect-loop.c b/gcc/tree-vect-loop.c index 1e21fe6..37c7daa 100644 --- a/gcc/tree-vect-loop.c +++ b/gcc/tree-vect-loop.c @@ -7227,24 +7227,13 @@ vectorizable_reduction (loop_vec_info loop_vinfo, if (dump_enabled_p ()) dump_printf (MSG_NOTE, "op not supported by target.\n"); if (maybe_ne (GET_MODE_SIZE (vec_mode), UNITS_PER_WORD) - || !vect_worthwhile_without_simd_p (loop_vinfo, code)) + || !vect_can_vectorize_without_simd_p (code)) ok = false; else if (dump_enabled_p ()) dump_printf (MSG_NOTE, "proceeding using word mode.\n"); } - /* Worthwhile without SIMD support? */ - if (ok - && !VECTOR_MODE_P (TYPE_MODE (vectype_in)) - && !vect_worthwhile_without_simd_p (loop_vinfo, code)) - { - if (dump_enabled_p ()) - dump_printf_loc (MSG_MISSED_OPTIMIZATION, vect_location, - "not worthwhile without SIMD support.\n"); - ok = false; - } - /* lane-reducing operations have to go through vect_transform_reduction. For the other cases try without the single cycle optimization. */ if (!ok) @@ -7948,46 +7937,28 @@ vectorizable_phi (vec_info *, } -/* Function vect_min_worthwhile_factor. +/* Return true if we can emulate CODE on an integer mode representation + of a vector. */ - For a loop where we could vectorize the operation indicated by CODE, - return the minimum vectorization factor that makes it worthwhile - to use generic vectors. */ -static unsigned int -vect_min_worthwhile_factor (enum tree_code code) +bool +vect_can_vectorize_without_simd_p (tree_code code) { switch (code) { case PLUS_EXPR: case MINUS_EXPR: case NEGATE_EXPR: - return 4; - case BIT_AND_EXPR: case BIT_IOR_EXPR: case BIT_XOR_EXPR: case BIT_NOT_EXPR: - return 2; + return true; default: - return INT_MAX; + return false; } } -/* Return true if VINFO indicates we are doing loop vectorization and if - it is worth decomposing CODE operations into scalar operations for - that loop's vectorization factor. */ - -bool -vect_worthwhile_without_simd_p (vec_info *vinfo, tree_code code) -{ - loop_vec_info loop_vinfo = dyn_cast <loop_vec_info> (vinfo); - unsigned HOST_WIDE_INT value; - return (loop_vinfo - && LOOP_VINFO_VECT_FACTOR (loop_vinfo).is_constant (&value) - && value >= vect_min_worthwhile_factor (code)); -} - /* Function vectorizable_induction Check if STMT_INFO performs an induction computation that can be vectorized. diff --git a/gcc/tree-vect-stmts.c b/gcc/tree-vect-stmts.c index 94bdb74..5b94d41 100644 --- a/gcc/tree-vect-stmts.c +++ b/gcc/tree-vect-stmts.c @@ -5685,24 +5685,13 @@ vectorizable_shift (vec_info *vinfo, /* Check only during analysis. */ if (maybe_ne (GET_MODE_SIZE (vec_mode), UNITS_PER_WORD) || (!vec_stmt - && !vect_worthwhile_without_simd_p (vinfo, code))) + && !vect_can_vectorize_without_simd_p (code))) return false; if (dump_enabled_p ()) dump_printf_loc (MSG_NOTE, vect_location, "proceeding using word mode.\n"); } - /* Worthwhile without SIMD support? Check only during analysis. */ - if (!vec_stmt - && !VECTOR_MODE_P (TYPE_MODE (vectype)) - && !vect_worthwhile_without_simd_p (vinfo, code)) - { - if (dump_enabled_p ()) - dump_printf_loc (MSG_MISSED_OPTIMIZATION, vect_location, - "not worthwhile without SIMD support.\n"); - return false; - } - if (!vec_stmt) /* transformation not required. */ { if (slp_node @@ -6094,24 +6083,13 @@ vectorizable_operation (vec_info *vinfo, "op not supported by target.\n"); /* Check only during analysis. */ if (maybe_ne (GET_MODE_SIZE (vec_mode), UNITS_PER_WORD) - || (!vec_stmt && !vect_worthwhile_without_simd_p (vinfo, code))) + || (!vec_stmt && !vect_can_vectorize_without_simd_p (code))) return false; if (dump_enabled_p ()) dump_printf_loc (MSG_NOTE, vect_location, "proceeding using word mode.\n"); } - /* Worthwhile without SIMD support? Check only during analysis. */ - if (!VECTOR_MODE_P (vec_mode) - && !vec_stmt - && !vect_worthwhile_without_simd_p (vinfo, code)) - { - if (dump_enabled_p ()) - dump_printf_loc (MSG_MISSED_OPTIMIZATION, vect_location, - "not worthwhile without SIMD support.\n"); - return false; - } - int reduc_idx = STMT_VINFO_REDUC_IDX (stmt_info); vec_loop_masks *masks = (loop_vinfo ? &LOOP_VINFO_MASKS (loop_vinfo) : NULL); internal_fn cond_fn = get_conditional_internal_fn (code); diff --git a/gcc/tree-vectorizer.h b/gcc/tree-vectorizer.h index 5571b3c..de0ecf8 100644 --- a/gcc/tree-vectorizer.h +++ b/gcc/tree-vectorizer.h @@ -2061,7 +2061,7 @@ extern bool vectorizable_lc_phi (loop_vec_info, stmt_vec_info, gimple **, slp_tree); extern bool vectorizable_phi (vec_info *, stmt_vec_info, gimple **, slp_tree, stmt_vector_for_cost *); -extern bool vect_worthwhile_without_simd_p (vec_info *, tree_code); +extern bool vect_can_vectorize_without_simd_p (tree_code); extern int vect_get_known_peeling_cost (loop_vec_info, int, int *, stmt_vector_for_cost *, stmt_vector_for_cost *, |