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authorJakub Jelinek <jakub@redhat.com>2016-10-25 18:26:12 +0200
committerJakub Jelinek <jakub@gcc.gnu.org>2016-10-25 18:26:12 +0200
commit96592eeda1f5cb381d91ef78dea3e2666bbdb7b5 (patch)
tree9f9b788664b48c4b29fde366326af8ab3961d90f /gcc/tree-vect-stmts.c
parent8c78afcec88be17030623a4290f214928c143b29 (diff)
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re PR target/78102 (GCC refuses to generate PCMPEQQ instruction for SSE4.1)
PR target/78102 * optabs.def (vcondeq_optab, vec_cmpeq_optab): New optabs. * optabs.c (expand_vec_cond_expr): For comparison codes EQ_EXPR and NE_EXPR, attempt vcondeq_optab as fallback. (expand_vec_cmp_expr): For comparison codes EQ_EXPR and NE_EXPR, attempt vec_cmpeq_optab as fallback. * optabs-tree.h (expand_vec_cmp_expr_p, expand_vec_cond_expr_p): Add enum tree_code argument. * optabs-query.h (get_vec_cmp_eq_icode, get_vcond_eq_icode): New inline functions. * optabs-tree.c (expand_vec_cmp_expr_p): Add CODE argument. For CODE EQ_EXPR or NE_EXPR, attempt to use vec_cmpeq_optab as fallback. (expand_vec_cond_expr_p): Add CODE argument. For CODE EQ_EXPR or NE_EXPR, attempt to use vcondeq_optab as fallback. * tree-vect-generic.c (expand_vector_comparison, expand_vector_divmod, expand_vector_condition): Adjust expand_vec_cmp_expr_p and expand_vec_cond_expr_p callers. * tree-vect-stmts.c (vectorizable_condition, vectorizable_comparison): Likewise. * tree-vect-patterns.c (vect_recog_mixed_size_cond_pattern, check_bool_pattern, search_type_for_mask_1): Likewise. * expr.c (do_store_flag): Likewise. * doc/md.texi (@code{vec_cmpeq@var{m}@var{n}}, @code{vcondeq@var{m}@var{n}}): Document. * config/i386/sse.md (vec_cmpeqv2div2di, vcondeq<VI8F_128:mode>v2di): New expanders. testsuite/ * gcc.target/i386/pr78102.c: New test. From-SVN: r241525
Diffstat (limited to 'gcc/tree-vect-stmts.c')
-rw-r--r--gcc/tree-vect-stmts.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/tree-vect-stmts.c b/gcc/tree-vect-stmts.c
index d698785..1d17156 100644
--- a/gcc/tree-vect-stmts.c
+++ b/gcc/tree-vect-stmts.c
@@ -7710,7 +7710,8 @@ vectorizable_condition (gimple *stmt, gimple_stmt_iterator *gsi,
if (!vec_stmt)
{
STMT_VINFO_TYPE (stmt_info) = condition_vec_info_type;
- return expand_vec_cond_expr_p (vectype, comp_vectype);
+ return expand_vec_cond_expr_p (vectype, comp_vectype,
+ TREE_CODE (cond_expr));
}
/* Transform. */
@@ -8013,7 +8014,7 @@ vectorizable_comparison (gimple *stmt, gimple_stmt_iterator *gsi,
vect_model_simple_cost (stmt_info, ncopies * (1 + (bitop2 != NOP_EXPR)),
dts, NULL, NULL);
if (bitop1 == NOP_EXPR)
- return expand_vec_cmp_expr_p (vectype, mask_type);
+ return expand_vec_cmp_expr_p (vectype, mask_type, code);
else
{
machine_mode mode = TYPE_MODE (vectype);