From patchwork Thu Nov 9 14:41:55 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kirill Batuzov X-Patchwork-Id: 836389 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 3yXmDm2nlYz9sRg for ; Fri, 10 Nov 2017 01:45:44 +1100 (AEDT) Received: from localhost ([::1]:37255 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eCo5O-0007w3-E0 for incoming@patchwork.ozlabs.org; Thu, 09 Nov 2017 09:45:42 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:57558) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eCo2S-0005rW-09 for qemu-devel@nongnu.org; Thu, 09 Nov 2017 09:42:41 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1eCo2R-000304-0T for qemu-devel@nongnu.org; Thu, 09 Nov 2017 09:42:40 -0500 Received: from bran.ispras.ru ([83.149.199.196]:54554 helo=smtp.ispras.ru) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1eCo2Q-0002zO-Os for qemu-devel@nongnu.org; Thu, 09 Nov 2017 09:42:38 -0500 Received: from bulbul.intra.ispras.ru (bulbul.intra.ispras.ru [10.10.3.51]) by smtp.ispras.ru (Postfix) with ESMTP id 24DAC203C2; Thu, 9 Nov 2017 17:42:38 +0300 (MSK) From: Kirill Batuzov To: qemu-devel@nongnu.org Date: Thu, 9 Nov 2017 17:41:55 +0300 Message-Id: <20171109144155.17076-4-batuzovk@ispras.ru> X-Mailer: git-send-email 2.11.0 In-Reply-To: <20171109144155.17076-1-batuzovk@ispras.ru> References: <20171109144155.17076-1-batuzovk@ispras.ru> X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 83.149.199.196 Subject: [Qemu-devel] [PATCH RFC 3/3] tcg/optimize: handle vector loads and stores during copy propagation X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Richard Henderson , =?utf-8?q?Alex_Benn?= =?utf-8?b?w6ll?= , Kirill Batuzov Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Kirill Batuzov --- tcg/optimize.c | 22 ++++++++++++++++++++++ 1 file changed, 22 insertions(+) diff --git a/tcg/optimize.c b/tcg/optimize.c index da7f069444..1b6962c6c5 100644 --- a/tcg/optimize.c +++ b/tcg/optimize.c @@ -318,6 +318,8 @@ static TCGOpcode ld_to_mov(TCGOpcode op) return INDEX_op_mov_i32; case INDEX_op_ld_i64: return INDEX_op_mov_i64; + case INDEX_op_ld_vec: + return INDEX_op_mov_vec; default: tcg_abort(); } @@ -782,6 +784,13 @@ static bool swap_commutative2(TCGArg *p1, TCGArg *p2) return false; } +static int tcg_vec_size(const TCGOp *op) +{ + TCGArg arg = op->args[0]; + TCGTemp *tmp = arg_temp(arg); + return 1 << (3 + tmp->base_type - TCG_TYPE_V64); +} + static int ldst_size(const TCGOp *op) { switch (op->opc) { @@ -802,6 +811,9 @@ static int ldst_size(const TCGOp *op) case INDEX_op_st_i64: case INDEX_op_ld_i64: return 8; + case INDEX_op_ld_vec: + case INDEX_op_st_vec: + return tcg_vec_size(op); default: /* Some unsupported opcode? */ tcg_abort(); @@ -1660,6 +1672,7 @@ void tcg_optimize(TCGContext *s) CASE_OP_32_64(st16): CASE_OP_32_64(st): case INDEX_op_st32_i64: + case INDEX_op_st_vec: if (op->args[1] == tcgv_ptr_arg(cpu_env)) { remove_ml_range(op->args[2], ldst_size(op)); new_ml(op->args[2], ldst_size(op), arg_temp(op->args[0])); @@ -1677,6 +1690,7 @@ void tcg_optimize(TCGContext *s) CASE_OP_32_64(ld): case INDEX_op_ld32s_i64: case INDEX_op_ld32u_i64: + case INDEX_op_ld_vec: /* Only loads that are relative to ENV can be handled. */ if (op->args[1] == tcgv_ptr_arg(cpu_env)) { ml = find_ml(op->args[2], ldst_size(op), @@ -1689,6 +1703,14 @@ void tcg_optimize(TCGContext *s) TCGTemp *copy = find_better_copy(s, ml->copy); tcg_opt_gen_mov(s, op, op->args[0], temp_arg(copy)); break; + } else if (re == INDEX_op_mov_vec) { + if (ts_are_copies(arg_temp(op->args[0]), ml->copy)) { + tcg_op_remove(s, op); + break; + } + op->opc = re; + op->args[1] = temp_arg(find_better_copy(s, ml->copy)); + op->args[2] = op->args[3]; } else { if (tcg_op_defs[re].flags & TCG_OPF_NOT_PRESENT) { /* Required operation is not supported by host. */