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From: "hjl.tools at gmail dot com" <gcc-bugzilla@gcc.gnu.org> To: gcc-bugs@gcc.gnu.org Subject: [Bug target/99881] Regression compare -O2 -ftree-vectorize with -O2 on SKX/CLX Date: Fri, 02 Apr 2021 19:34:23 +0000 [thread overview] Message-ID: <bug-99881-4-Hs784UE5dj@http.gcc.gnu.org/bugzilla/> (raw) In-Reply-To: <bug-99881-4@http.gcc.gnu.org/bugzilla/> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99881 --- Comment #2 from H.J. Lu <hjl.tools at gmail dot com> --- Created attachment 50501 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=50501&action=edit A patch to add vec_contruct cost ix86_builtin_vectorization_cost has case vec_construct: { /* N element inserts into SSE vectors. */ int cost = TYPE_VECTOR_SUBPARTS (vectype) * ix86_cost->sse_op; /* One vinserti128 for combining two SSE vectors for AVX256. */ if (GET_MODE_BITSIZE (mode) == 256) cost += ix86_vec_cost (mode, ix86_cost->addss); /* One vinserti64x4 and two vinserti128 for combining SSE and AVX256 vectors to AVX512. */ else if (GET_MODE_BITSIZE (mode) == 512) cost += 3 * ix86_vec_cost (mode, ix86_cost->addss); return cost; } Add vec_contruct cost for vec_construct operation.
next prev parent reply other threads:[~2021-04-02 19:34 UTC|newest] Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-04-02 3:49 [Bug target/99881] New: " crazylht at gmail dot com 2021-04-02 14:29 ` [Bug target/99881] " hjl.tools at gmail dot com 2021-04-02 19:34 ` hjl.tools at gmail dot com [this message] 2021-04-06 7:48 ` rguenth at gcc dot gnu.org 2021-04-06 10:06 ` crazylht at gmail dot com 2021-04-06 11:44 ` rguenth at gcc dot gnu.org 2021-07-28 2:48 ` cvs-commit at gcc dot gnu.org 2021-07-28 2:49 ` crazylht at gmail dot com 2021-07-28 22:47 ` jakub at gcc dot gnu.org 2021-07-29 1:09 ` crazylht at gmail dot com 2021-07-29 2:18 ` cvs-commit at gcc dot gnu.org 2021-08-19 2:32 ` crazylht at gmail dot com 2022-02-22 7:59 ` cvs-commit at gcc dot gnu.org 2022-02-22 8:00 ` rguenth at gcc dot gnu.org
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