From patchwork Fri Sep 18 18:36:43 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 305027 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 97DE7C43463 for ; Fri, 18 Sep 2020 18:57:33 +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 1B8FA21534 for ; Fri, 18 Sep 2020 18:57:33 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=linaro.org header.i=@linaro.org header.b="H2VgAbzd" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 1B8FA21534 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]:47240 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kJLZb-0001qD-MK for qemu-devel@archiver.kernel.org; Fri, 18 Sep 2020 14:57:32 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:47924) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kJLGx-0007vy-DG for qemu-devel@nongnu.org; Fri, 18 Sep 2020 14:38:15 -0400 Received: from mail-pl1-x642.google.com ([2607:f8b0:4864:20::642]:37395) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1kJLGv-00074P-9O for qemu-devel@nongnu.org; Fri, 18 Sep 2020 14:38:15 -0400 Received: by mail-pl1-x642.google.com with SMTP id u9so3435010plk.4 for ; Fri, 18 Sep 2020 11:38:12 -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=mY+15TD6kdMcYrFiZPjyUpAWKa7gPFK7CgZYkOafutw=; b=H2VgAbzdnQVsUM925aCWYQZoY064D/c921JbfRXlqwiBe7eljVsGjjGPi2CV2cEWt7 /nRb3s9wzWQ6iOY2/ZylWs0UXbJk9aSD9ByiKfEQNsD9BOekPsX2qPp5nSO1F+3ZRoYF dXmJdRNNQt7JkAStTx00FDVVUAjWi7ZTR/I8qBjUZyUSA02nQvKsBuF1HCk7JWKnt7U6 Oqg3TYsky9/8kNvK/PHfw72VjzGX4nh+iEYh0B5XIlHDRGNPvjmlwNn8C2qo/h2ACzUd CCBDTn070h58M+KY5zphxBDxqWpWsvsBP5OwGnQz2MU/tRSf2vxuUedRwlamBUEH06s/ +VNA== 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=mY+15TD6kdMcYrFiZPjyUpAWKa7gPFK7CgZYkOafutw=; b=ab/R1VpQrMqN5dv3Twehn/mha+DKBSHHRQ6mYaqFOkUyNmF3t6ySmjAfDRF5+pGRAa h98kOV2fTO7tCOcFabexNEwbDeyJacqazfXjG9jUXhtiQ7nmapAD34irYd/aTs7/e+sJ F/HlMOn608gyA17yIAicHF8fuheufVrBY5UPBhNM6T8DYzmSOGKya14g3YpJwaLxmZ3P ClutpslkgC9G40Qgzm+RWtSD8KYiZxitP8ENcxxstMkgaUA7HTu3PB0BnMxm1SmqJZ/B z9lo50EZg+iqqrJkxCzJOuK3yUvICtcdynMiOCy6g/Gn+QYtoGONSNG0t9DLMUEOVchl Zivw== X-Gm-Message-State: AOAM532Qo2BG3BKr2ZiiiuMyqWi3eZSQYrhmDoZwDLigf80XCMH35U2U H0M5SyiPbOF26iXY+cr3mZBiyrN/pjN0ng== X-Google-Smtp-Source: ABdhPJwUiXFEfp26qwJFHMekDTuYmgfD8T1jfzMdQG3+U2uk81AYx/SMpiT6jmPaX4hPYBEQwjukzQ== X-Received: by 2002:a17:90a:d18b:: with SMTP id fu11mr13773335pjb.203.1600454291534; Fri, 18 Sep 2020 11:38:11 -0700 (PDT) Received: from localhost.localdomain ([71.212.141.89]) by smtp.gmail.com with ESMTPSA id f4sm3680723pfj.147.2020.09.18.11.38.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 18 Sep 2020 11:38:10 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v3 13/81] target/arm: Implement SVE2 integer add/subtract long Date: Fri, 18 Sep 2020 11:36:43 -0700 Message-Id: <20200918183751.2787647-14-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::642; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x642.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 select offsets (laurent desnogues). --- target/arm/helper-sve.h | 24 ++++++++++++++++++++ target/arm/sve.decode | 19 ++++++++++++++++ target/arm/sve_helper.c | 43 +++++++++++++++++++++++++++++++++++ target/arm/translate-sve.c | 46 ++++++++++++++++++++++++++++++++++++++ 4 files changed, 132 insertions(+) diff --git a/target/arm/helper-sve.h b/target/arm/helper-sve.h index ae06619d7d..676ddfbb2d 100644 --- a/target/arm/helper-sve.h +++ b/target/arm/helper-sve.h @@ -1367,6 +1367,30 @@ DEF_HELPER_FLAGS_5(sve_ftmad_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_5(sve_ftmad_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_5(sve_ftmad_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_saddl_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_saddl_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_saddl_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) + +DEF_HELPER_FLAGS_4(sve2_ssubl_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_ssubl_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_ssubl_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) + +DEF_HELPER_FLAGS_4(sve2_sabdl_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_sabdl_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_sabdl_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) + +DEF_HELPER_FLAGS_4(sve2_uaddl_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_uaddl_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_uaddl_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) + +DEF_HELPER_FLAGS_4(sve2_usubl_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_usubl_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_usubl_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) + +DEF_HELPER_FLAGS_4(sve2_uabdl_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_uabdl_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) +DEF_HELPER_FLAGS_4(sve2_uabdl_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) + DEF_HELPER_FLAGS_4(sve_ld1bb_r, TCG_CALL_NO_WG, void, env, ptr, tl, i32) DEF_HELPER_FLAGS_4(sve_ld2bb_r, TCG_CALL_NO_WG, void, env, ptr, tl, i32) DEF_HELPER_FLAGS_4(sve_ld3bb_r, TCG_CALL_NO_WG, void, env, ptr, tl, i32) diff --git a/target/arm/sve.decode b/target/arm/sve.decode index d018aef3dc..70712039e4 100644 --- a/target/arm/sve.decode +++ b/target/arm/sve.decode @@ -1159,3 +1159,22 @@ SUQADD 01000100 .. 011 100 100 ... ..... ..... @rdn_pg_rm USQADD 01000100 .. 011 101 100 ... ..... ..... @rdn_pg_rm SQSUB_zpzz 01000100 .. 011 110 100 ... ..... ..... @rdm_pg_rn # SQSUBR UQSUB_zpzz 01000100 .. 011 111 100 ... ..... ..... @rdm_pg_rn # UQSUBR + +#### SVE2 Widening Integer Arithmetic + +## SVE2 integer add/subtract long + +SADDLB 01000101 .. 0 ..... 00 0000 ..... ..... @rd_rn_rm +SADDLT 01000101 .. 0 ..... 00 0001 ..... ..... @rd_rn_rm +UADDLB 01000101 .. 0 ..... 00 0010 ..... ..... @rd_rn_rm +UADDLT 01000101 .. 0 ..... 00 0011 ..... ..... @rd_rn_rm + +SSUBLB 01000101 .. 0 ..... 00 0100 ..... ..... @rd_rn_rm +SSUBLT 01000101 .. 0 ..... 00 0101 ..... ..... @rd_rn_rm +USUBLB 01000101 .. 0 ..... 00 0110 ..... ..... @rd_rn_rm +USUBLT 01000101 .. 0 ..... 00 0111 ..... ..... @rd_rn_rm + +SABDLB 01000101 .. 0 ..... 00 1100 ..... ..... @rd_rn_rm +SABDLT 01000101 .. 0 ..... 00 1101 ..... ..... @rd_rn_rm +UABDLB 01000101 .. 0 ..... 00 1110 ..... ..... @rd_rn_rm +UABDLT 01000101 .. 0 ..... 00 1111 ..... ..... @rd_rn_rm diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c index d3c7e0e03c..ca39b0f6f1 100644 --- a/target/arm/sve_helper.c +++ b/target/arm/sve_helper.c @@ -1113,6 +1113,49 @@ DO_ZZW(sve_lsl_zzw_s, uint32_t, uint64_t, H1_4, DO_LSL) #undef DO_ZPZ #undef DO_ZPZ_D +/* + * Three-operand expander, unpredicated, in which the two inputs are + * selected from the top or bottom half of the wide column. + */ +#define DO_ZZZ_TB(NAME, TYPEW, TYPEN, HW, HN, OP) \ +void HELPER(NAME)(void *vd, void *vn, void *vm, uint32_t desc) \ +{ \ + intptr_t i, opr_sz = simd_oprsz(desc); \ + int sel1 = extract32(desc, SIMD_DATA_SHIFT, 1) * sizeof(TYPEN); \ + int sel2 = extract32(desc, SIMD_DATA_SHIFT + 1, 1) * sizeof(TYPEN); \ + for (i = 0; i < opr_sz; i += sizeof(TYPEW)) { \ + TYPEW nn = *(TYPEN *)(vn + HN(i + sel1)); \ + TYPEW mm = *(TYPEN *)(vm + HN(i + sel2)); \ + *(TYPEW *)(vd + HW(i)) = OP(nn, mm); \ + } \ +} + +DO_ZZZ_TB(sve2_saddl_h, int16_t, int8_t, H1_2, H1, DO_ADD) +DO_ZZZ_TB(sve2_saddl_s, int32_t, int16_t, H1_4, H1_2, DO_ADD) +DO_ZZZ_TB(sve2_saddl_d, int64_t, int32_t, , H1_4, DO_ADD) + +DO_ZZZ_TB(sve2_ssubl_h, int16_t, int8_t, H1_2, H1, DO_SUB) +DO_ZZZ_TB(sve2_ssubl_s, int32_t, int16_t, H1_4, H1_2, DO_SUB) +DO_ZZZ_TB(sve2_ssubl_d, int64_t, int32_t, , H1_4, DO_SUB) + +DO_ZZZ_TB(sve2_sabdl_h, int16_t, int8_t, H1_2, H1, DO_ABD) +DO_ZZZ_TB(sve2_sabdl_s, int32_t, int16_t, H1_4, H1_2, DO_ABD) +DO_ZZZ_TB(sve2_sabdl_d, int64_t, int32_t, , H1_4, DO_ABD) + +DO_ZZZ_TB(sve2_uaddl_h, uint16_t, uint8_t, H1_2, H1, DO_ADD) +DO_ZZZ_TB(sve2_uaddl_s, uint32_t, uint16_t, H1_4, H1_2, DO_ADD) +DO_ZZZ_TB(sve2_uaddl_d, uint64_t, uint32_t, , H1_4, DO_ADD) + +DO_ZZZ_TB(sve2_usubl_h, uint16_t, uint8_t, H1_2, H1, DO_SUB) +DO_ZZZ_TB(sve2_usubl_s, uint32_t, uint16_t, H1_4, H1_2, DO_SUB) +DO_ZZZ_TB(sve2_usubl_d, uint64_t, uint32_t, , H1_4, DO_SUB) + +DO_ZZZ_TB(sve2_uabdl_h, uint16_t, uint8_t, H1_2, H1, DO_ABD) +DO_ZZZ_TB(sve2_uabdl_s, uint32_t, uint16_t, H1_4, H1_2, DO_ABD) +DO_ZZZ_TB(sve2_uabdl_d, uint64_t, uint32_t, , H1_4, DO_ABD) + +#undef DO_ZZZ_TB + /* Two-operand reduction expander, controlled by a predicate. * The difference between TYPERED and TYPERET has to do with * sign-extension. E.g. for SMAX, TYPERED must be signed, diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c index f3e979bfb7..cbbce6a3e2 100644 --- a/target/arm/translate-sve.c +++ b/target/arm/translate-sve.c @@ -5980,3 +5980,49 @@ DO_SVE2_ZPZZ(SQSUB_zpzz, sqsub) DO_SVE2_ZPZZ(UQSUB_zpzz, uqsub) DO_SVE2_ZPZZ(SUQADD, suqadd) DO_SVE2_ZPZZ(USQADD, usqadd) + +/* + * SVE2 Widening Integer Arithmetic + */ + +static bool do_sve2_zzw_ool(DisasContext *s, arg_rrr_esz *a, + gen_helper_gvec_3 *fn, int data) +{ + if (fn == NULL || !dc_isar_feature(aa64_sve2, s)) { + return false; + } + if (sve_access_check(s)) { + unsigned vsz = vec_full_reg_size(s); + tcg_gen_gvec_3_ool(vec_full_reg_offset(s, a->rd), + vec_full_reg_offset(s, a->rn), + vec_full_reg_offset(s, a->rm), + vsz, vsz, data, fn); + } + return true; +} + +#define DO_SVE2_ZZZ_TB(NAME, name, SEL1, SEL2) \ +static bool trans_##NAME(DisasContext *s, arg_rrr_esz *a) \ +{ \ + static gen_helper_gvec_3 * const fns[4] = { \ + NULL, gen_helper_sve2_##name##_h, \ + gen_helper_sve2_##name##_s, gen_helper_sve2_##name##_d, \ + }; \ + return do_sve2_zzw_ool(s, a, fns[a->esz], (SEL2 << 1) | SEL1); \ +} + +DO_SVE2_ZZZ_TB(SADDLB, saddl, false, false) +DO_SVE2_ZZZ_TB(SSUBLB, ssubl, false, false) +DO_SVE2_ZZZ_TB(SABDLB, sabdl, false, false) + +DO_SVE2_ZZZ_TB(UADDLB, uaddl, false, false) +DO_SVE2_ZZZ_TB(USUBLB, usubl, false, false) +DO_SVE2_ZZZ_TB(UABDLB, uabdl, false, false) + +DO_SVE2_ZZZ_TB(SADDLT, saddl, true, true) +DO_SVE2_ZZZ_TB(SSUBLT, ssubl, true, true) +DO_SVE2_ZZZ_TB(SABDLT, sabdl, true, true) + +DO_SVE2_ZZZ_TB(UADDLT, uaddl, true, true) +DO_SVE2_ZZZ_TB(USUBLT, usubl, true, true) +DO_SVE2_ZZZ_TB(UABDLT, uabdl, true, true)