From patchwork Tue May 25 01:02:50 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Richard Henderson X-Patchwork-Id: 12277465 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=-16.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,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 0E4B6C2B9F8 for ; Tue, 25 May 2021 01:26:01 +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 762B5613CC for ; Tue, 25 May 2021 01:26:00 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 762B5613CC 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]:37680 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1llLpX-00081m-Cq for qemu-devel@archiver.kernel.org; Mon, 24 May 2021 21:25:59 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54024) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1llLUy-0001wO-AE for qemu-devel@nongnu.org; Mon, 24 May 2021 21:04:44 -0400 Received: from mail-pj1-x102b.google.com ([2607:f8b0:4864:20::102b]:54944) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1llLUV-0001pO-Rg for qemu-devel@nongnu.org; Mon, 24 May 2021 21:04:43 -0400 Received: by mail-pj1-x102b.google.com with SMTP id g24so15843417pji.4 for ; Mon, 24 May 2021 18:04:15 -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=ls/0SSv7EuSBugiK6GJfPb9owUda/xBhvp5T7eNiSFU=; b=XylYW7K70osSXGRFJtGOq5Do16pL3kBKJR+NfuaSyTcvE9GHBIPLmsFeIG/CUlL7fI a03+Rf4C7Gp6JdpSQhTRf1MN82zmXA1VKRKl5CbduMAmy+yKD+i4Nc2F0HDvjA3Tcqpm Xu/QwmxmvitvYRa9WAra3sP7qUdFlqPt1l23jFCG6fUl9ah6Mbyz/kzpsYBK6SD0KN1I kls4h6NlMuAZ9pV2tylpEX3kbo+IFuTv3GUY1lSVoqP0N4myMMFmeWLmrHncd1GCM6b5 pQ6WKRAa31TnGXzh2IZRi5v3pK/wjybTkXXl67MPA1DtfBviorsH86It/rprPHdR87bu 91yg== 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=ls/0SSv7EuSBugiK6GJfPb9owUda/xBhvp5T7eNiSFU=; b=ZzHdRKjb56DISZkHLAnc+qg+8yVSNlPR4pYasnKdAVMS1QArFL9m09txb/OlxjBFCN 4CgpuTr/L6OHW3VWiGf68apOKGn/v10xO0TPbQccpeYbxsFrGgZFxtw/fANNIJXBLhe1 333p+sPg/QuWTn/wGNQalbmoZWD3KRZWFMd8M7CXyxKXzugNWeSJaAzguLPGv+v69Qwa +qEacnwRz9LbOwIxAHi3BtBO3NYYXWf9E7gzTqop4v4bxwJeGOa9rOQhJtBtQD6GMDqh jV4wsgQO8hNQ4nU5je9ASZEo0DBvDi5epg1dIImRkeoiCyGPXnMqBXljo8X6jNtlmcwG tk0w== X-Gm-Message-State: AOAM531TQ266vZOFyNnqJQSV04sUX2zj1/cB3VqF8USMPhH+/pf3szIy pyozCeOCIxrjC/sIrKBjiA9wSRhU7HXuKg== X-Google-Smtp-Source: ABdhPJzMNJcNsRna2R0gCBucrRtX5k7ZnQR2KZiyRH793+Bo+B5TnE2N0DJEIhI/w2wUZrwds0mvoQ== X-Received: by 2002:a17:902:dcce:b029:ef:339:fa6a with SMTP id t14-20020a170902dcceb02900ef0339fa6amr28092522pll.24.1621904654471; Mon, 24 May 2021 18:04:14 -0700 (PDT) Received: from localhost.localdomain (174-21-70-228.tukw.qwest.net. [174.21.70.228]) by smtp.gmail.com with ESMTPSA id b1sm13742645pgf.84.2021.05.24.18.04.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 24 May 2021 18:04:14 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v7 24/92] target/arm: Implement SVE2 saturating extract narrow Date: Mon, 24 May 2021 18:02:50 -0700 Message-Id: <20210525010358.152808-25-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210525010358.152808-1-richard.henderson@linaro.org> References: <20210525010358.152808-1-richard.henderson@linaro.org> MIME-Version: 1.0 Received-SPF: pass client-ip=2607:f8b0:4864:20::102b; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x102b.google.com 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 , qemu-arm@nongnu.org Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- target/arm/helper-sve.h | 24 ++++ target/arm/sve.decode | 12 ++ target/arm/sve_helper.c | 56 +++++++++ target/arm/translate-sve.c | 238 +++++++++++++++++++++++++++++++++++++ 4 files changed, 330 insertions(+) diff --git a/target/arm/helper-sve.h b/target/arm/helper-sve.h index 4a62012850..b302203ce8 100644 --- a/target/arm/helper-sve.h +++ b/target/arm/helper-sve.h @@ -2419,3 +2419,27 @@ DEF_HELPER_FLAGS_5(sve2_uabal_d, TCG_CALL_NO_RWG, DEF_HELPER_FLAGS_5(sve2_adcl_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_5(sve2_adcl_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, ptr, i32) + +DEF_HELPER_FLAGS_3(sve2_sqxtnb_h, TCG_CALL_NO_RWG, void, ptr, ptr, i32) +DEF_HELPER_FLAGS_3(sve2_sqxtnb_s, TCG_CALL_NO_RWG, void, ptr, ptr, i32) +DEF_HELPER_FLAGS_3(sve2_sqxtnb_d, TCG_CALL_NO_RWG, void, ptr, ptr, i32) + +DEF_HELPER_FLAGS_3(sve2_uqxtnb_h, TCG_CALL_NO_RWG, void, ptr, ptr, i32) +DEF_HELPER_FLAGS_3(sve2_uqxtnb_s, TCG_CALL_NO_RWG, void, ptr, ptr, i32) +DEF_HELPER_FLAGS_3(sve2_uqxtnb_d, TCG_CALL_NO_RWG, void, ptr, ptr, i32) + +DEF_HELPER_FLAGS_3(sve2_sqxtunb_h, TCG_CALL_NO_RWG, void, ptr, ptr, i32) +DEF_HELPER_FLAGS_3(sve2_sqxtunb_s, TCG_CALL_NO_RWG, void, ptr, ptr, i32) +DEF_HELPER_FLAGS_3(sve2_sqxtunb_d, TCG_CALL_NO_RWG, void, ptr, ptr, i32) + +DEF_HELPER_FLAGS_3(sve2_sqxtnt_h, TCG_CALL_NO_RWG, void, ptr, ptr, i32) +DEF_HELPER_FLAGS_3(sve2_sqxtnt_s, TCG_CALL_NO_RWG, void, ptr, ptr, i32) +DEF_HELPER_FLAGS_3(sve2_sqxtnt_d, TCG_CALL_NO_RWG, void, ptr, ptr, i32) + +DEF_HELPER_FLAGS_3(sve2_uqxtnt_h, TCG_CALL_NO_RWG, void, ptr, ptr, i32) +DEF_HELPER_FLAGS_3(sve2_uqxtnt_s, TCG_CALL_NO_RWG, void, ptr, ptr, i32) +DEF_HELPER_FLAGS_3(sve2_uqxtnt_d, TCG_CALL_NO_RWG, void, ptr, ptr, i32) + +DEF_HELPER_FLAGS_3(sve2_sqxtunt_h, TCG_CALL_NO_RWG, void, ptr, ptr, i32) +DEF_HELPER_FLAGS_3(sve2_sqxtunt_s, TCG_CALL_NO_RWG, void, ptr, ptr, i32) +DEF_HELPER_FLAGS_3(sve2_sqxtunt_d, TCG_CALL_NO_RWG, void, ptr, ptr, i32) diff --git a/target/arm/sve.decode b/target/arm/sve.decode index 32b15e4192..19866ec4c6 100644 --- a/target/arm/sve.decode +++ b/target/arm/sve.decode @@ -1272,3 +1272,15 @@ SLI 01000101 .. 0 ..... 11110 1 ..... ..... @rd_rn_tszimm_shl # TODO: Use @rda and %reg_movprfx here. SABA 01000101 .. 0 ..... 11111 0 ..... ..... @rd_rn_rm UABA 01000101 .. 0 ..... 11111 1 ..... ..... @rd_rn_rm + +#### SVE2 Narrowing + +## SVE2 saturating extract narrow + +# Bits 23, 18-16 are zero, limited in the translator via esz < 3 & imm == 0. +SQXTNB 01000101 .. 1 ..... 010 000 ..... ..... @rd_rn_tszimm_shl +SQXTNT 01000101 .. 1 ..... 010 001 ..... ..... @rd_rn_tszimm_shl +UQXTNB 01000101 .. 1 ..... 010 010 ..... ..... @rd_rn_tszimm_shl +UQXTNT 01000101 .. 1 ..... 010 011 ..... ..... @rd_rn_tszimm_shl +SQXTUNB 01000101 .. 1 ..... 010 100 ..... ..... @rd_rn_tszimm_shl +SQXTUNT 01000101 .. 1 ..... 010 101 ..... ..... @rd_rn_tszimm_shl diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c index b63d84eef4..1ca71e367d 100644 --- a/target/arm/sve_helper.c +++ b/target/arm/sve_helper.c @@ -1269,6 +1269,62 @@ DO_ZZZW_ACC(sve2_uabal_d, uint64_t, uint32_t, , H1_4, DO_ABD) #undef DO_ZZZW_ACC +#define DO_XTNB(NAME, TYPE, OP) \ +void HELPER(NAME)(void *vd, void *vn, uint32_t desc) \ +{ \ + intptr_t i, opr_sz = simd_oprsz(desc); \ + for (i = 0; i < opr_sz; i += sizeof(TYPE)) { \ + TYPE nn = *(TYPE *)(vn + i); \ + nn = OP(nn) & MAKE_64BIT_MASK(0, sizeof(TYPE) * 4); \ + *(TYPE *)(vd + i) = nn; \ + } \ +} + +#define DO_XTNT(NAME, TYPE, TYPEN, H, OP) \ +void HELPER(NAME)(void *vd, void *vn, uint32_t desc) \ +{ \ + intptr_t i, opr_sz = simd_oprsz(desc), odd = H(sizeof(TYPEN)); \ + for (i = 0; i < opr_sz; i += sizeof(TYPE)) { \ + TYPE nn = *(TYPE *)(vn + i); \ + *(TYPEN *)(vd + i + odd) = OP(nn); \ + } \ +} + +#define DO_SQXTN_H(n) do_sat_bhs(n, INT8_MIN, INT8_MAX) +#define DO_SQXTN_S(n) do_sat_bhs(n, INT16_MIN, INT16_MAX) +#define DO_SQXTN_D(n) do_sat_bhs(n, INT32_MIN, INT32_MAX) + +DO_XTNB(sve2_sqxtnb_h, int16_t, DO_SQXTN_H) +DO_XTNB(sve2_sqxtnb_s, int32_t, DO_SQXTN_S) +DO_XTNB(sve2_sqxtnb_d, int64_t, DO_SQXTN_D) + +DO_XTNT(sve2_sqxtnt_h, int16_t, int8_t, H1, DO_SQXTN_H) +DO_XTNT(sve2_sqxtnt_s, int32_t, int16_t, H1_2, DO_SQXTN_S) +DO_XTNT(sve2_sqxtnt_d, int64_t, int32_t, H1_4, DO_SQXTN_D) + +#define DO_UQXTN_H(n) do_sat_bhs(n, 0, UINT8_MAX) +#define DO_UQXTN_S(n) do_sat_bhs(n, 0, UINT16_MAX) +#define DO_UQXTN_D(n) do_sat_bhs(n, 0, UINT32_MAX) + +DO_XTNB(sve2_uqxtnb_h, uint16_t, DO_UQXTN_H) +DO_XTNB(sve2_uqxtnb_s, uint32_t, DO_UQXTN_S) +DO_XTNB(sve2_uqxtnb_d, uint64_t, DO_UQXTN_D) + +DO_XTNT(sve2_uqxtnt_h, uint16_t, uint8_t, H1, DO_UQXTN_H) +DO_XTNT(sve2_uqxtnt_s, uint32_t, uint16_t, H1_2, DO_UQXTN_S) +DO_XTNT(sve2_uqxtnt_d, uint64_t, uint32_t, H1_4, DO_UQXTN_D) + +DO_XTNB(sve2_sqxtunb_h, int16_t, DO_UQXTN_H) +DO_XTNB(sve2_sqxtunb_s, int32_t, DO_UQXTN_S) +DO_XTNB(sve2_sqxtunb_d, int64_t, DO_UQXTN_D) + +DO_XTNT(sve2_sqxtunt_h, int16_t, int8_t, H1, DO_UQXTN_H) +DO_XTNT(sve2_sqxtunt_s, int32_t, int16_t, H1_2, DO_UQXTN_S) +DO_XTNT(sve2_sqxtunt_d, int64_t, int32_t, H1_4, DO_UQXTN_D) + +#undef DO_XTNB +#undef DO_XTNT + void HELPER(sve2_adcl_s)(void *vd, void *vn, void *vm, void *va, uint32_t desc) { intptr_t i, opr_sz = simd_oprsz(desc); diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c index 202107de98..c77df3dbeb 100644 --- a/target/arm/translate-sve.c +++ b/target/arm/translate-sve.c @@ -6459,3 +6459,241 @@ static bool trans_UABA(DisasContext *s, arg_rrr_esz *a) { return do_sve2_fn_zzz(s, a, gen_gvec_uaba); } + +static bool do_sve2_narrow_extract(DisasContext *s, arg_rri_esz *a, + const GVecGen2 ops[3]) +{ + if (a->esz < 0 || a->esz > MO_32 || a->imm != 0 || + !dc_isar_feature(aa64_sve2, s)) { + return false; + } + if (sve_access_check(s)) { + unsigned vsz = vec_full_reg_size(s); + tcg_gen_gvec_2(vec_full_reg_offset(s, a->rd), + vec_full_reg_offset(s, a->rn), + vsz, vsz, &ops[a->esz]); + } + return true; +} + +static const TCGOpcode sqxtn_list[] = { + INDEX_op_shli_vec, INDEX_op_smin_vec, INDEX_op_smax_vec, 0 +}; + +static void gen_sqxtnb_vec(unsigned vece, TCGv_vec d, TCGv_vec n) +{ + TCGv_vec t = tcg_temp_new_vec_matching(d); + int halfbits = 4 << vece; + int64_t mask = (1ull << halfbits) - 1; + int64_t min = -1ull << (halfbits - 1); + int64_t max = -min - 1; + + tcg_gen_dupi_vec(vece, t, min); + tcg_gen_smax_vec(vece, d, n, t); + tcg_gen_dupi_vec(vece, t, max); + tcg_gen_smin_vec(vece, d, d, t); + tcg_gen_dupi_vec(vece, t, mask); + tcg_gen_and_vec(vece, d, d, t); + tcg_temp_free_vec(t); +} + +static bool trans_SQXTNB(DisasContext *s, arg_rri_esz *a) +{ + static const GVecGen2 ops[3] = { + { .fniv = gen_sqxtnb_vec, + .opt_opc = sqxtn_list, + .fno = gen_helper_sve2_sqxtnb_h, + .vece = MO_16 }, + { .fniv = gen_sqxtnb_vec, + .opt_opc = sqxtn_list, + .fno = gen_helper_sve2_sqxtnb_s, + .vece = MO_32 }, + { .fniv = gen_sqxtnb_vec, + .opt_opc = sqxtn_list, + .fno = gen_helper_sve2_sqxtnb_d, + .vece = MO_64 }, + }; + return do_sve2_narrow_extract(s, a, ops); +} + +static void gen_sqxtnt_vec(unsigned vece, TCGv_vec d, TCGv_vec n) +{ + TCGv_vec t = tcg_temp_new_vec_matching(d); + int halfbits = 4 << vece; + int64_t mask = (1ull << halfbits) - 1; + int64_t min = -1ull << (halfbits - 1); + int64_t max = -min - 1; + + tcg_gen_dupi_vec(vece, t, min); + tcg_gen_smax_vec(vece, n, n, t); + tcg_gen_dupi_vec(vece, t, max); + tcg_gen_smin_vec(vece, n, n, t); + tcg_gen_shli_vec(vece, n, n, halfbits); + tcg_gen_dupi_vec(vece, t, mask); + tcg_gen_bitsel_vec(vece, d, t, d, n); + tcg_temp_free_vec(t); +} + +static bool trans_SQXTNT(DisasContext *s, arg_rri_esz *a) +{ + static const GVecGen2 ops[3] = { + { .fniv = gen_sqxtnt_vec, + .opt_opc = sqxtn_list, + .load_dest = true, + .fno = gen_helper_sve2_sqxtnt_h, + .vece = MO_16 }, + { .fniv = gen_sqxtnt_vec, + .opt_opc = sqxtn_list, + .load_dest = true, + .fno = gen_helper_sve2_sqxtnt_s, + .vece = MO_32 }, + { .fniv = gen_sqxtnt_vec, + .opt_opc = sqxtn_list, + .load_dest = true, + .fno = gen_helper_sve2_sqxtnt_d, + .vece = MO_64 }, + }; + return do_sve2_narrow_extract(s, a, ops); +} + +static const TCGOpcode uqxtn_list[] = { + INDEX_op_shli_vec, INDEX_op_umin_vec, 0 +}; + +static void gen_uqxtnb_vec(unsigned vece, TCGv_vec d, TCGv_vec n) +{ + TCGv_vec t = tcg_temp_new_vec_matching(d); + int halfbits = 4 << vece; + int64_t max = (1ull << halfbits) - 1; + + tcg_gen_dupi_vec(vece, t, max); + tcg_gen_umin_vec(vece, d, n, t); + tcg_temp_free_vec(t); +} + +static bool trans_UQXTNB(DisasContext *s, arg_rri_esz *a) +{ + static const GVecGen2 ops[3] = { + { .fniv = gen_uqxtnb_vec, + .opt_opc = uqxtn_list, + .fno = gen_helper_sve2_uqxtnb_h, + .vece = MO_16 }, + { .fniv = gen_uqxtnb_vec, + .opt_opc = uqxtn_list, + .fno = gen_helper_sve2_uqxtnb_s, + .vece = MO_32 }, + { .fniv = gen_uqxtnb_vec, + .opt_opc = uqxtn_list, + .fno = gen_helper_sve2_uqxtnb_d, + .vece = MO_64 }, + }; + return do_sve2_narrow_extract(s, a, ops); +} + +static void gen_uqxtnt_vec(unsigned vece, TCGv_vec d, TCGv_vec n) +{ + TCGv_vec t = tcg_temp_new_vec_matching(d); + int halfbits = 4 << vece; + int64_t max = (1ull << halfbits) - 1; + + tcg_gen_dupi_vec(vece, t, max); + tcg_gen_umin_vec(vece, n, n, t); + tcg_gen_shli_vec(vece, n, n, halfbits); + tcg_gen_bitsel_vec(vece, d, t, d, n); + tcg_temp_free_vec(t); +} + +static bool trans_UQXTNT(DisasContext *s, arg_rri_esz *a) +{ + static const GVecGen2 ops[3] = { + { .fniv = gen_uqxtnt_vec, + .opt_opc = uqxtn_list, + .load_dest = true, + .fno = gen_helper_sve2_uqxtnt_h, + .vece = MO_16 }, + { .fniv = gen_uqxtnt_vec, + .opt_opc = uqxtn_list, + .load_dest = true, + .fno = gen_helper_sve2_uqxtnt_s, + .vece = MO_32 }, + { .fniv = gen_uqxtnt_vec, + .opt_opc = uqxtn_list, + .load_dest = true, + .fno = gen_helper_sve2_uqxtnt_d, + .vece = MO_64 }, + }; + return do_sve2_narrow_extract(s, a, ops); +} + +static const TCGOpcode sqxtun_list[] = { + INDEX_op_shli_vec, INDEX_op_umin_vec, INDEX_op_smax_vec, 0 +}; + +static void gen_sqxtunb_vec(unsigned vece, TCGv_vec d, TCGv_vec n) +{ + TCGv_vec t = tcg_temp_new_vec_matching(d); + int halfbits = 4 << vece; + int64_t max = (1ull << halfbits) - 1; + + tcg_gen_dupi_vec(vece, t, 0); + tcg_gen_smax_vec(vece, d, n, t); + tcg_gen_dupi_vec(vece, t, max); + tcg_gen_umin_vec(vece, d, d, t); + tcg_temp_free_vec(t); +} + +static bool trans_SQXTUNB(DisasContext *s, arg_rri_esz *a) +{ + static const GVecGen2 ops[3] = { + { .fniv = gen_sqxtunb_vec, + .opt_opc = sqxtun_list, + .fno = gen_helper_sve2_sqxtunb_h, + .vece = MO_16 }, + { .fniv = gen_sqxtunb_vec, + .opt_opc = sqxtun_list, + .fno = gen_helper_sve2_sqxtunb_s, + .vece = MO_32 }, + { .fniv = gen_sqxtunb_vec, + .opt_opc = sqxtun_list, + .fno = gen_helper_sve2_sqxtunb_d, + .vece = MO_64 }, + }; + return do_sve2_narrow_extract(s, a, ops); +} + +static void gen_sqxtunt_vec(unsigned vece, TCGv_vec d, TCGv_vec n) +{ + TCGv_vec t = tcg_temp_new_vec_matching(d); + int halfbits = 4 << vece; + int64_t max = (1ull << halfbits) - 1; + + tcg_gen_dupi_vec(vece, t, 0); + tcg_gen_smax_vec(vece, n, n, t); + tcg_gen_dupi_vec(vece, t, max); + tcg_gen_umin_vec(vece, n, n, t); + tcg_gen_shli_vec(vece, n, n, halfbits); + tcg_gen_bitsel_vec(vece, d, t, d, n); + tcg_temp_free_vec(t); +} + +static bool trans_SQXTUNT(DisasContext *s, arg_rri_esz *a) +{ + static const GVecGen2 ops[3] = { + { .fniv = gen_sqxtunt_vec, + .opt_opc = sqxtun_list, + .load_dest = true, + .fno = gen_helper_sve2_sqxtunt_h, + .vece = MO_16 }, + { .fniv = gen_sqxtunt_vec, + .opt_opc = sqxtun_list, + .load_dest = true, + .fno = gen_helper_sve2_sqxtunt_s, + .vece = MO_32 }, + { .fniv = gen_sqxtunt_vec, + .opt_opc = sqxtun_list, + .load_dest = true, + .fno = gen_helper_sve2_sqxtunt_d, + .vece = MO_64 }, + }; + return do_sve2_narrow_extract(s, a, ops); +}