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[78.62.135.63]) by smtp.gmail.com with ESMTPSA id w7-20020ac24427000000b004f3945751b2sm142632lfl.43.2023.06.08.03.42.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Jun 2023 03:42:57 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20221208; t=1686220977; x=1688812977; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=1LIn3wNgu7EGhq1U0nYq9G2gdyuS3dd3r667RMOa7xk=; b=s2rFXhT+mNgaDplVVpsjiX8eChLKOF+/Y5jpfGfuSNTg67t2AebVwS41NO1/OwpyIb DfzTUwhlZbKl0M4/l41izkgq3wwxYn49nxAYIzz/zMhuQGwnbRKz4L/XFJcXy1m5nU6L DDp2uMuGtrO2LaaL2sw4wFHwTr071TFToWOAoHX0SO+F/VWELHKsyqRMtbEHhQrUTpAO gP2vDE/PBKkpb+1h9WpVyAevN6UUEpoz0oSi6VIrwlkw4WaTEU4Vmshj3pnj79HwbJSL 7jyQKrNHdHCYLSV/nW9ArhFpkHG8mODBilSCEXmhYBcHrWFVo0l9K1LVTegkJoZ6GIJk 5KSg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20221208; t=1686220977; x=1688812977; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=1LIn3wNgu7EGhq1U0nYq9G2gdyuS3dd3r667RMOa7xk=; b=exWsel2NFFQ/GbaXmOn8v1oFLIQzqR/wni/fcoLTCVY/9arB0WtoUujXUVTcu64FV2 SH0hab6ZazWU86pLxB4W1SgJClW6mtbkXtfnrAfIRWX+jmbMhriVjGfviolko7L+NZi/ cZ70XEHqPOk8JA0oFdwu8GeJP1068Uc2xTDxM2Vc2+hCUbKnMzTGyseKa2OMRZc9Bsd+ WHvarvn8PrvEUAvh1l4bA7nKMLiSYhbmUy8oItOjlPrsau8PWd01Y2jqHYKiJAnvGL7B 2TSFsSKsVjy2/ZWRQ1o+lQ8hu0yHCSn4PWtT3K1iKs7gfdXaO/M+DFhT7bhDyxpdhV+4 Zedg== X-Gm-Message-State: AC+VfDzOoZCISj+rQjdIintwhlBuFrEVV5kUXMWpmgvO9/v3AhQpgYbY fAxZUtB/Z6MGQIcLd4A5RPlQ1MgPUj8= X-Google-Smtp-Source: ACHHUZ6YreAvRT7QyN3PmqIJ0iIN+RO5QARo5mpgTFCUp3brRcA/omoKSbtufABNhpq1uMrLAXb39w== X-Received: by 2002:a05:6512:b94:b0:4f0:3e1:9ada with SMTP id b20-20020a0565120b9400b004f003e19adamr706307lfv.31.1686220977404; Thu, 08 Jun 2023 03:42:57 -0700 (PDT) From: Siarhei Volkau To: qemu-devel@nongnu.org Cc: Aleksandar Rikalo , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Aurelien Jarno , Stefan Markovic , Aleksandar Markovic , Jiaxun Yang , Siarhei Volkau Subject: [PATCH 30/33] target/mips: Add emulation of MXU Q16SCOP instruction Date: Thu, 8 Jun 2023 13:42:19 +0300 Message-Id: <20230608104222.1520143-31-lis8215@gmail.com> X-Mailer: git-send-email 2.40.0 In-Reply-To: <20230608104222.1520143-1-lis8215@gmail.com> References: <20230608104222.1520143-1-lis8215@gmail.com> 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=2a00:1450:4864:20::12c; envelope-from=lis8215@gmail.com; helo=mail-lf1-x12c.google.com X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 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, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, 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-Mailman-Approved-At: Thu, 08 Jun 2023 09:17:53 -0400 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-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1686230406996100001 Content-Type: text/plain; charset="utf-8" The instruction is used to determine sign of four 16-bit packed data in parallel. Signed-off-by: Siarhei Volkau --- target/mips/tcg/mxu_translate.c | 85 +++++++++++++++++++++++++++++++++ 1 file changed, 85 insertions(+) diff --git a/target/mips/tcg/mxu_translate.c b/target/mips/tcg/mxu_translat= e.c index dc985342d6..7970b70fe1 100644 --- a/target/mips/tcg/mxu_translate.c +++ b/target/mips/tcg/mxu_translate.c @@ -407,6 +407,7 @@ enum { OPC_MXU__POOL19 =3D 0x38, OPC_MXU__POOL20 =3D 0x39, OPC_MXU__POOL21 =3D 0x3A, + OPC_MXU_Q16SCOP =3D 0x3B, }; =20 =20 @@ -3541,6 +3542,7 @@ static void gen_mxu_d32asum(DisasContext *ctx) * S32EXTR S32LUI * S32EXTRV * Q16SAT + * Q16SCOP */ =20 /* @@ -3808,6 +3810,86 @@ static void gen_mxu_Q16SAT(DisasContext *ctx) } } =20 +/* + * Q16SCOP XRa, XRd, XRb, XRc + * Determine sign of quad packed 16-bit signed values + * in XRb and XRc put result in XRa and XRd respectively. + */ +static void gen_mxu_q16scop(DisasContext *ctx) +{ + uint32_t XRd, XRc, XRb, XRa; + + XRd =3D extract32(ctx->opcode, 18, 4); + XRc =3D extract32(ctx->opcode, 14, 4); + XRb =3D extract32(ctx->opcode, 10, 4); + XRa =3D extract32(ctx->opcode, 6, 4); + + TCGv t0 =3D tcg_temp_new(); + TCGv t1 =3D tcg_temp_new(); + TCGv t2 =3D tcg_temp_new(); + TCGv t3 =3D tcg_temp_new(); + TCGv t4 =3D tcg_temp_new(); + + TCGLabel *l_b_hi_lt =3D gen_new_label(); + TCGLabel *l_b_hi_gt =3D gen_new_label(); + TCGLabel *l_b_lo =3D gen_new_label(); + TCGLabel *l_b_lo_lt =3D gen_new_label(); + TCGLabel *l_c_hi =3D gen_new_label(); + TCGLabel *l_c_hi_lt =3D gen_new_label(); + TCGLabel *l_c_hi_gt =3D gen_new_label(); + TCGLabel *l_c_lo =3D gen_new_label(); + TCGLabel *l_c_lo_lt =3D gen_new_label(); + TCGLabel *l_done =3D gen_new_label(); + + gen_load_mxu_gpr(t0, XRb); + gen_load_mxu_gpr(t1, XRc); + + tcg_gen_sextract_tl(t2, t0, 16, 16); + tcg_gen_brcondi_tl(TCG_COND_LT, t2, 0, l_b_hi_lt); + tcg_gen_brcondi_tl(TCG_COND_GT, t2, 0, l_b_hi_gt); + tcg_gen_movi_tl(t3, 0); + tcg_gen_br(l_b_lo); + gen_set_label(l_b_hi_lt); + tcg_gen_movi_tl(t3, 0xffff0000); + tcg_gen_br(l_b_lo); + gen_set_label(l_b_hi_gt); + tcg_gen_movi_tl(t3, 0x00010000); + + gen_set_label(l_b_lo); + tcg_gen_sextract_tl(t2, t0, 0, 16); + tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l_c_hi); + tcg_gen_brcondi_tl(TCG_COND_LT, t2, 0, l_b_lo_lt); + tcg_gen_ori_tl(t3, t3, 0x00000001); + tcg_gen_br(l_c_hi); + gen_set_label(l_b_lo_lt); + tcg_gen_ori_tl(t3, t3, 0x0000ffff); + tcg_gen_br(l_c_hi); + + gen_set_label(l_c_hi); + tcg_gen_sextract_tl(t2, t1, 16, 16); + tcg_gen_brcondi_tl(TCG_COND_LT, t2, 0, l_c_hi_lt); + tcg_gen_brcondi_tl(TCG_COND_GT, t2, 0, l_c_hi_gt); + tcg_gen_movi_tl(t4, 0); + tcg_gen_br(l_c_lo); + gen_set_label(l_c_hi_lt); + tcg_gen_movi_tl(t4, 0xffff0000); + tcg_gen_br(l_c_lo); + gen_set_label(l_c_hi_gt); + tcg_gen_movi_tl(t4, 0x00010000); + + gen_set_label(l_c_lo); + tcg_gen_sextract_tl(t2, t1, 0, 16); + tcg_gen_brcondi_tl(TCG_COND_EQ, t2, 0, l_done); + tcg_gen_brcondi_tl(TCG_COND_LT, t2, 0, l_c_lo_lt); + tcg_gen_ori_tl(t4, t4, 0x00000001); + tcg_gen_br(l_done); + gen_set_label(l_c_lo_lt); + tcg_gen_ori_tl(t4, t4, 0x0000ffff); + + gen_set_label(l_done); + gen_store_mxu_gpr(t3, XRa); + gen_store_mxu_gpr(t4, XRd); +} =20 /* * MXU instruction category: align @@ -4801,6 +4883,9 @@ bool decode_ase_mxu(DisasContext *ctx, uint32_t insn) case OPC_MXU__POOL21: decode_opc_mxu__pool21(ctx); break; + case OPC_MXU_Q16SCOP: + gen_mxu_q16scop(ctx); + break; default: return false; } --=20 2.40.0