diff options
Diffstat (limited to 'gcc/tree-vect-patterns.c')
| -rw-r--r-- | gcc/tree-vect-patterns.c | 31 |
1 files changed, 28 insertions, 3 deletions
diff --git a/gcc/tree-vect-patterns.c b/gcc/tree-vect-patterns.c index f68a87e..f2ce75a 100644 --- a/gcc/tree-vect-patterns.c +++ b/gcc/tree-vect-patterns.c @@ -1148,7 +1148,7 @@ vect_recog_sad_pattern (vec_info *vinfo, /* FORNOW. Can continue analyzing the def-use chain when this stmt in a phi inside the loop (in case we are analyzing an outer-loop). */ vect_unpromoted_value unprom[2]; - if (!vect_widened_op_tree (vinfo, diff_stmt_vinfo, MINUS_EXPR, MINUS_EXPR, + if (!vect_widened_op_tree (vinfo, diff_stmt_vinfo, MINUS_EXPR, WIDEN_MINUS_EXPR, false, 2, unprom, &half_type)) return NULL; @@ -1262,6 +1262,29 @@ vect_recog_widen_mult_pattern (vec_info *vinfo, stmt_vec_info last_stmt_info, "vect_recog_widen_mult_pattern"); } +/* Try to detect addition on widened inputs, converting PLUS_EXPR + to WIDEN_PLUS_EXPR. See vect_recog_widen_op_pattern for details. */ + +static gimple * +vect_recog_widen_plus_pattern (vec_info *vinfo, stmt_vec_info last_stmt_info, + tree *type_out) +{ + return vect_recog_widen_op_pattern (vinfo, last_stmt_info, type_out, + PLUS_EXPR, WIDEN_PLUS_EXPR, false, + "vect_recog_widen_plus_pattern"); +} + +/* Try to detect subtraction on widened inputs, converting MINUS_EXPR + to WIDEN_MINUS_EXPR. See vect_recog_widen_op_pattern for details. */ +static gimple * +vect_recog_widen_minus_pattern (vec_info *vinfo, stmt_vec_info last_stmt_info, + tree *type_out) +{ + return vect_recog_widen_op_pattern (vinfo, last_stmt_info, type_out, + MINUS_EXPR, WIDEN_MINUS_EXPR, false, + "vect_recog_widen_minus_pattern"); +} + /* Function vect_recog_pow_pattern Try to find the following pattern: @@ -1978,7 +2001,7 @@ vect_recog_average_pattern (vec_info *vinfo, vect_unpromoted_value unprom[3]; tree new_type; unsigned int nops = vect_widened_op_tree (vinfo, plus_stmt_info, PLUS_EXPR, - PLUS_EXPR, false, 3, + WIDEN_PLUS_EXPR, false, 3, unprom, &new_type); if (nops == 0) return NULL; @@ -5249,7 +5272,9 @@ static vect_recog_func vect_vect_recog_func_ptrs[] = { of mask conversion that are needed for gather and scatter internal functions. */ { vect_recog_gather_scatter_pattern, "gather_scatter" }, - { vect_recog_mask_conversion_pattern, "mask_conversion" } + { vect_recog_mask_conversion_pattern, "mask_conversion" }, + { vect_recog_widen_plus_pattern, "widen_plus" }, + { vect_recog_widen_minus_pattern, "widen_minus" }, }; const unsigned int NUM_PATTERNS = ARRAY_SIZE (vect_vect_recog_func_ptrs); |