From patchwork Fri Sep 18 18:36:51 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 305014 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS, URIBL_BLOCKED, USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 10ABEC43464 for ; Fri, 18 Sep 2020 19:18:46 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id A7F8D21D7F for ; Fri, 18 Sep 2020 19:18:45 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="vlGZqNyr" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A7F8D21D7F Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:43956 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kJLu8-0008AE-Ga for qemu-devel@archiver.kernel.org; Fri, 18 Sep 2020 15:18:44 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:48032) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kJLH7-0008Ky-8H for qemu-devel@nongnu.org; Fri, 18 Sep 2020 14:38:25 -0400 Received: from mail-pg1-x52d.google.com ([2607:f8b0:4864:20::52d]:43724) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kJLH5-00076m-BI for qemu-devel@nongnu.org; Fri, 18 Sep 2020 14:38:24 -0400 Received: by mail-pg1-x52d.google.com with SMTP id t14so3968748pgl.10 for ; Fri, 18 Sep 2020 11:38:22 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=vijPLZsfKPtAfMgKZB4Xg2CdBhksRxTz9Vqh+PqvAG0=; b=vlGZqNyrwdz0H655/vIp+V1sW3IGTLEQVh3SsTjrWVyv0qhWKCPGPiOz1tw956xSzi PqoZU6QDqluRRdXh73lCsqnDXPbSiR1W63XoyLpXU9iTSnvOfVw3ltK9W31VZ62g/+qE 8uMbnpkrJVh40g6VMJzsLStutCu9jg4XhZJh84SiD5N0KUBl7o26K85nTrkRkpfeO//X k+qaTnDxa8YVJzRMNM2vmAmSaZmq/ylm1JEby/aZiveQ2NeTaX7qQdYmgyPXJ2bbyACo ebjOqN+5VJK4/RA1COXCyycM53beEIYTOkjz2MpNoGWbQa4GokUN6HFakQ6Z6fizymdq dwzg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=vijPLZsfKPtAfMgKZB4Xg2CdBhksRxTz9Vqh+PqvAG0=; b=CcBav+8q8SpHfikSHX00JGgfGPVwwzQO0WyNenKNIWz6OERgS9HoUo1QMVyqX/hS6l TH4/fyWFGd+A7+Mhf8oy2koyigEvfN64VEtJtlOeO42nqJwkDIdAnMKsvC0DbyOXbQYV HMgw57HQhhRt4jII/h+nOz3D76rrVjMjeN83e9SKrx1cRx35XpNM4+lm3jBmOi3foz6C wKw1i+Z/tdHyY96INcQ7CfP1ax+u8RyIPzY7ELzYuyGYHBvYvghjKcaZwujDjbNYEyet rGZkOyUH90pKAnKE9YPqXUOye0d/pRSHI/wCLFYIidatXd4mSUEC94BueR0KhjC4YuqL eBzQ== X-Gm-Message-State: AOAM533mrAX5yFUKtRJANaWg06DCDVSYqexittwRjRQsb6SQmEMBzpzv 9wfwrLJg3lj+ZRmOto3bMWTXxhfM8jbpeQ== X-Google-Smtp-Source: ABdhPJwMyV8mXhzwP9XWTMxQ/pbaOArIn1iNdW2aMyf+HGHdd75OMe/SBAhBwJM9rH9jndG4fJc30A== X-Received: by 2002:a63:e813:: with SMTP id s19mr28294697pgh.33.1600454301568; Fri, 18 Sep 2020 11:38:21 -0700 (PDT) Received: from localhost.localdomain ([71.212.141.89]) by smtp.gmail.com with ESMTPSA id f4sm3680723pfj.147.2020.09.18.11.38.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Sep 2020 11:38:20 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v3 21/81] target/arm: Implement SVE2 complex integer add Date: Fri, 18 Sep 2020 11:36:51 -0700 Message-Id: <20200918183751.2787647-22-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200918183751.2787647-1-richard.henderson@linaro.org> References: <20200918183751.2787647-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::52d; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x52d.google.com X-detected-operating-system: by eggs.gnu.org: No matching host in p0f cache. That's all we know. X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org, alex.bennee@linaro.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Signed-off-by: Richard Henderson --- v2: Fix subtraction ordering (laurent desnogues). --- target/arm/helper-sve.h | 10 +++++++++ target/arm/sve.decode | 9 ++++++++ target/arm/sve_helper.c | 42 ++++++++++++++++++++++++++++++++++++++ target/arm/translate-sve.c | 31 ++++++++++++++++++++++++++++ 4 files changed, 92 insertions(+) diff --git a/target/arm/helper-sve.h b/target/arm/helper-sve.h index 492079578d..b399fb2576 100644 --- a/target/arm/helper-sve.h +++ b/target/arm/helper-sve.h @@ -2392,3 +2392,13 @@ DEF_HELPER_FLAGS_4(sve2_bgrp_b, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(sve2_bgrp_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(sve2_bgrp_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(sve2_bgrp_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) + +DEF_HELPER_FLAGS_4(sve2_cadd_b, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_cadd_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_cadd_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_cadd_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) + +DEF_HELPER_FLAGS_4(sve2_sqcadd_b, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_sqcadd_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_sqcadd_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_sqcadd_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) diff --git a/target/arm/sve.decode b/target/arm/sve.decode index b316610bbb..655cb5c12f 100644 --- a/target/arm/sve.decode +++ b/target/arm/sve.decode @@ -1226,3 +1226,12 @@ EORTB 01000101 .. 0 ..... 10010 1 ..... ..... @rd_rn_rm BEXT 01000101 .. 0 ..... 1011 00 ..... ..... @rd_rn_rm BDEP 01000101 .. 0 ..... 1011 01 ..... ..... @rd_rn_rm BGRP 01000101 .. 0 ..... 1011 10 ..... ..... @rd_rn_rm + +#### SVE2 Accumulate + +## SVE2 complex integer add + +CADD_rot90 01000101 .. 00000 0 11011 0 ..... ..... @rdn_rm +CADD_rot270 01000101 .. 00000 0 11011 1 ..... ..... @rdn_rm +SQCADD_rot90 01000101 .. 00000 1 11011 0 ..... ..... @rdn_rm +SQCADD_rot270 01000101 .. 00000 1 11011 1 ..... ..... @rdn_rm diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c index fffd3ca4a5..b8541168bf 100644 --- a/target/arm/sve_helper.c +++ b/target/arm/sve_helper.c @@ -1314,6 +1314,48 @@ DO_BITPERM(sve2_bgrp_d, uint64_t, bitgroup) #undef DO_BITPERM +#define DO_CADD(NAME, TYPE, H, ADD_OP, SUB_OP) \ +void HELPER(NAME)(void *vd, void *vn, void *vm, uint32_t desc) \ +{ \ + intptr_t i, opr_sz = simd_oprsz(desc); \ + int sub_r = simd_data(desc); \ + if (sub_r) { \ + for (i = 0; i < opr_sz; i += 2 * sizeof(TYPE)) { \ + TYPE acc_r = *(TYPE *)(vn + H(i)); \ + TYPE acc_i = *(TYPE *)(vn + H(i + sizeof(TYPE))); \ + TYPE el2_r = *(TYPE *)(vm + H(i)); \ + TYPE el2_i = *(TYPE *)(vm + H(i + sizeof(TYPE))); \ + acc_r = ADD_OP(acc_r, el2_i); \ + acc_i = SUB_OP(acc_i, el2_r); \ + *(TYPE *)(vd + H(i)) = acc_r; \ + *(TYPE *)(vd + H(i + sizeof(TYPE))) = acc_i; \ + } \ + } else { \ + for (i = 0; i < opr_sz; i += 2 * sizeof(TYPE)) { \ + TYPE acc_r = *(TYPE *)(vn + H(i)); \ + TYPE acc_i = *(TYPE *)(vn + H(i + sizeof(TYPE))); \ + TYPE el2_r = *(TYPE *)(vm + H(i)); \ + TYPE el2_i = *(TYPE *)(vm + H(i + sizeof(TYPE))); \ + acc_r = SUB_OP(acc_r, el2_i); \ + acc_i = ADD_OP(acc_i, el2_r); \ + *(TYPE *)(vd + H(i)) = acc_r; \ + *(TYPE *)(vd + H(i + sizeof(TYPE))) = acc_i; \ + } \ + } \ +} + +DO_CADD(sve2_cadd_b, int8_t, H1, DO_ADD, DO_SUB) +DO_CADD(sve2_cadd_h, int16_t, H1_2, DO_ADD, DO_SUB) +DO_CADD(sve2_cadd_s, int32_t, H1_4, DO_ADD, DO_SUB) +DO_CADD(sve2_cadd_d, int64_t, , DO_ADD, DO_SUB) + +DO_CADD(sve2_sqcadd_b, int8_t, H1, DO_SQADD_B, DO_SQSUB_B) +DO_CADD(sve2_sqcadd_h, int16_t, H1_2, DO_SQADD_H, DO_SQSUB_H) +DO_CADD(sve2_sqcadd_s, int32_t, H1_4, DO_SQADD_S, DO_SQSUB_S) +DO_CADD(sve2_sqcadd_d, int64_t, , do_sqadd_d, do_sqsub_d) + +#undef DO_CADD + #define DO_ZZI_SHLL(NAME, TYPEW, TYPEN, HW, HN) \ void HELPER(NAME)(void *vd, void *vn, uint32_t desc) \ { \ diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c index c2be092370..95a81eb101 100644 --- a/target/arm/translate-sve.c +++ b/target/arm/translate-sve.c @@ -6295,3 +6295,34 @@ static bool trans_BGRP(DisasContext *s, arg_rrr_esz *a) } return do_sve2_zzw_ool(s, a, fns[a->esz], 0); } + +static bool do_cadd(DisasContext *s, arg_rrr_esz *a, bool sq, bool rot) +{ + static gen_helper_gvec_3 * const fns[2][4] = { + { gen_helper_sve2_cadd_b, gen_helper_sve2_cadd_h, + gen_helper_sve2_cadd_s, gen_helper_sve2_cadd_d }, + { gen_helper_sve2_sqcadd_b, gen_helper_sve2_sqcadd_h, + gen_helper_sve2_sqcadd_s, gen_helper_sve2_sqcadd_d }, + }; + return do_sve2_zzw_ool(s, a, fns[sq][a->esz], rot); +} + +static bool trans_CADD_rot90(DisasContext *s, arg_rrr_esz *a) +{ + return do_cadd(s, a, false, false); +} + +static bool trans_CADD_rot270(DisasContext *s, arg_rrr_esz *a) +{ + return do_cadd(s, a, false, true); +} + +static bool trans_SQCADD_rot90(DisasContext *s, arg_rrr_esz *a) +{ + return do_cadd(s, a, true, false); +} + +static bool trans_SQCADD_rot270(DisasContext *s, arg_rrr_esz *a) +{ + return do_cadd(s, a, true, true); +}