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([122.255.60.245]) by smtp.gmail.com with ESMTPSA id t17-20020a170902e85100b00162529828aesm25199256plg.109.2022.07.06.01.25.35 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 06 Jul 2022 01:25:37 -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=bq7X2GhXVvfG6Er6nutJ7UEGp/1xvxDoz5E5KPgsbCU=; b=d6Ptz78PcfIvBurU0XfR+GIVv4C/cw8l7/SFo+0sWHX4O2rDI8xHnZK1aLInY0sdC0 xC/PsU7iF/OPbH/MFgM7vg7hr3ai664oExtF9+S1FR8Prv+vxMZHASLqla6ACSoskdAL d4khLB3oivkhk7fVnKnCdby+z2WXi4SBKk/WQ3RSwCbFQ6Lhx2JbwNxpeUeGZckaUjiW ijfgDuq3u0yBL7HMk6PpoFKVYPmY/oDzcsc8ClwuErPzlFa52EvaNBGXH3ZkoHuyr4Q/ 3ib4DP+s5+7lNWfmwUMphMWEBt0szEsIi5kIO2qy6jlgoDSoNAPaSsiQ3pWpZHAcSH9F zZcA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=bq7X2GhXVvfG6Er6nutJ7UEGp/1xvxDoz5E5KPgsbCU=; b=jXjMMbxwy4Q0q+oQgqeBgUrQB42zJzEEoGtdg7MNcEcT0MLjJw7ppE83R3Uullwr8s ieVzG5wZjJ957kqdV6z+kxRnXaQRxtAbh2/6QeOUd1CW0bRAnpC+TXH9DXZxX1F0XyCp ClDCBMCO3ZFf3Gem9qYjiygUYTmXjq9c8awTr4vULpku19m0e/iJtVzziIaCnT5KS9us Rk8RPERFuB5zBMYyxIfz1DWRMWnFQJpU1kcgH0IEj96BcxX20R0T6vC0pOXAXDrvOXte zjVlhY8eoLRhqxStYNNrk83SKF5aJ4TY9eJ00cXVxNnn49ZY/oXEctZ8IeCRD/CsSyM6 KVUg== X-Gm-Message-State: AJIora8YV4MmSKUfbkgiundj5Gesj9NtAKMOjQOi41Upw0TSMnG8mkTx dCLQCCvt/eQigbX0Q+BCCMLVx821zgCJzuQv X-Google-Smtp-Source: AGRyM1tg5eZ8ckGO1MtmphG2o4Cgh2hIy03mI2l6d9Ug3zIpACf1DyVd4T4AseIUjVylMBs5p18qSw== X-Received: by 2002:a63:dd4f:0:b0:411:e30d:6a0a with SMTP id g15-20020a63dd4f000000b00411e30d6a0amr22561093pgj.22.1657095937540; Wed, 06 Jul 2022 01:25:37 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, Peter Maydell Subject: [PATCH v5 29/45] target/arm: Implement REVD Date: Wed, 6 Jul 2022 13:53:55 +0530 Message-Id: <20220706082411.1664825-30-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220706082411.1664825-1-richard.henderson@linaro.org> References: <20220706082411.1664825-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::52b; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x52b.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, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1657100383961100001 Content-Type: text/plain; charset="utf-8" This is an SVE instruction that operates using the SVE vector length but that it is present only if SME is implemented. Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- target/arm/helper-sve.h | 2 ++ target/arm/sve.decode | 1 + target/arm/sve_helper.c | 16 ++++++++++++++++ target/arm/translate-sve.c | 2 ++ 4 files changed, 21 insertions(+) diff --git a/target/arm/helper-sve.h b/target/arm/helper-sve.h index ab0333400f..cc4e1d8948 100644 --- a/target/arm/helper-sve.h +++ b/target/arm/helper-sve.h @@ -719,6 +719,8 @@ DEF_HELPER_FLAGS_4(sve_revh_d, TCG_CALL_NO_RWG, void, p= tr, ptr, ptr, i32) =20 DEF_HELPER_FLAGS_4(sve_revw_d, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) =20 +DEF_HELPER_FLAGS_4(sme_revd_q, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) + DEF_HELPER_FLAGS_4(sve_rbit_b, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(sve_rbit_h, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) DEF_HELPER_FLAGS_4(sve_rbit_s, TCG_CALL_NO_RWG, void, ptr, ptr, ptr, i32) diff --git a/target/arm/sve.decode b/target/arm/sve.decode index 966803cbb7..a9e48f07b4 100644 --- a/target/arm/sve.decode +++ b/target/arm/sve.decode @@ -652,6 +652,7 @@ REVB 00000101 .. 1001 00 100 ... ..... .....= @rd_pg_rn REVH 00000101 .. 1001 01 100 ... ..... ..... @rd_pg_rn REVW 00000101 .. 1001 10 100 ... ..... ..... @rd_pg_rn RBIT 00000101 .. 1001 11 100 ... ..... ..... @rd_pg_rn +REVD 00000101 00 1011 10 100 ... ..... ..... @rd_pg_rn_= e0 =20 # SVE vector splice (predicated, destructive) SPLICE 00000101 .. 101 100 100 ... ..... ..... @rdn_pg_rm diff --git a/target/arm/sve_helper.c b/target/arm/sve_helper.c index 9a26f253e0..5de82696b5 100644 --- a/target/arm/sve_helper.c +++ b/target/arm/sve_helper.c @@ -931,6 +931,22 @@ DO_ZPZ_D(sve_revh_d, uint64_t, hswap64) =20 DO_ZPZ_D(sve_revw_d, uint64_t, wswap64) =20 +void HELPER(sme_revd_q)(void *vd, void *vn, void *vg, uint32_t desc) +{ + intptr_t i, opr_sz =3D simd_oprsz(desc) / 8; + uint64_t *d =3D vd, *n =3D vn; + uint8_t *pg =3D vg; + + for (i =3D 0; i < opr_sz; i +=3D 2) { + if (pg[H1(i)] & 1) { + uint64_t n0 =3D n[i + 0]; + uint64_t n1 =3D n[i + 1]; + d[i + 0] =3D n1; + d[i + 1] =3D n0; + } + } +} + DO_ZPZ(sve_rbit_b, uint8_t, H1, revbit8) DO_ZPZ(sve_rbit_h, uint16_t, H1_2, revbit16) DO_ZPZ(sve_rbit_s, uint32_t, H1_4, revbit32) diff --git a/target/arm/translate-sve.c b/target/arm/translate-sve.c index 24ffb69a2a..9ed3b267fd 100644 --- a/target/arm/translate-sve.c +++ b/target/arm/translate-sve.c @@ -2901,6 +2901,8 @@ TRANS_FEAT(REVH, aa64_sve, gen_gvec_ool_arg_zpz, revh= _fns[a->esz], a, 0) TRANS_FEAT(REVW, aa64_sve, gen_gvec_ool_arg_zpz, a->esz =3D=3D 3 ? gen_helper_sve_revw_d : NULL, a, 0) =20 +TRANS_FEAT(REVD, aa64_sme, gen_gvec_ool_arg_zpz, gen_helper_sme_revd_q, a,= 0) + TRANS_FEAT(SPLICE, aa64_sve, gen_gvec_ool_arg_zpzz, gen_helper_sve_splice, a, a->esz) =20 --=20 2.34.1