From nobody Tue Feb 10 12:59:10 2026 Delivered-To: importer@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=linaro.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1634602359271717.4618990599387; Mon, 18 Oct 2021 17:12:39 -0700 (PDT) Received: from localhost ([::1]:49046 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mcckA-0000Kh-1I for importer@patchew.org; Mon, 18 Oct 2021 20:12:38 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43428) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mccZS-00050B-31 for qemu-devel@nongnu.org; Mon, 18 Oct 2021 20:01:34 -0400 Received: from mail-pg1-x52b.google.com ([2607:f8b0:4864:20::52b]:43844) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mccZE-0001lF-5F for qemu-devel@nongnu.org; Mon, 18 Oct 2021 20:01:33 -0400 Received: by mail-pg1-x52b.google.com with SMTP id r2so17691085pgl.10 for ; Mon, 18 Oct 2021 17:01:19 -0700 (PDT) Received: from localhost.localdomain ([71.212.134.125]) by smtp.gmail.com with ESMTPSA id q14sm3068220pfk.3.2021.10.18.17.01.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 18 Oct 2021 17:01:18 -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=c7yPgPOtdXc8cLGoEleP9T3gCAQ/J91zHEOZFu0LBcU=; b=woBCMucaWtY+UI1ywYdNCmU3tGp0PtxvIiIqce98ZwdAoldf3Yy6dIwdP0mL1M1ZL6 UTNKR+z9O73aoZCC1E8xzRMPNU3P4A/PPS/SGsskx5znhtXHXhmP+jJUvLlfMod1pUYv 5U4ir1o3cTFlgsa65c9+qLtos0L5OhjTX8bdw0k9P8yLKcYf7Revkvy+/muYSVZw5ZDU SGlYXeQg2OWj6DuWMQMtExrGTq4LCwZi2Ffhd5dEQZRvQBlS2ye7lIri5ot6wk/hkSx0 OVszfbPa05WNsjKe+lGM8PvlWyZxLGPyvFJUEYvQAWWsYErBqoRYASxuc+SytaZ+hhZL OopQ== 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=c7yPgPOtdXc8cLGoEleP9T3gCAQ/J91zHEOZFu0LBcU=; b=zz/h2IoSbo3ULyy6/QFxdrW8BBB4xyUFMZOd1pI23w5T7CGqsFDZjHdU+h+aX47jQY NBc2JRXPT/pprFPDfjuLJCcr2ALwxFIFJWV6d+3rqgmtADHMBqfcabyUwfWGfol2w4R0 A5nME9KMIxCYm1+ZKx4ZOD/r8iplQ/1qRQLuUK+wxq/njYDtzllmY78s4YhJUm9Mx5eg vl7EDrbGNMZ12ujvWJuae4Nu/2hl54pP3iwU21JIC5z47pTKSsN5EARSB/eBTeUytWYC 4FB7Jbun2hhhsaVgClisL4NThDdA3LV7zNFuJyexVFmZyTwtnIo/7yL5DLA1UXWO3Gsa 3ZEA== X-Gm-Message-State: AOAM5311A1YwvA7Q0C53g/Y/I1iqs8VmvwJOJ8D9HQbmpU0v2pZ8GEYv MHnVijjDPrKWnIqw9kMUKByUJxem6J7gnA== X-Google-Smtp-Source: ABdhPJzMu+grTf5BvDAl/FzIV9LFRW3QxJoMEBAztG+U3UOoqB0V8mTczfT1Dd+8hjG/XnYZKLGacw== X-Received: by 2002:a63:2484:: with SMTP id k126mr26091938pgk.297.1634601678794; Mon, 18 Oct 2021 17:01:18 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v4 12/16] target/riscv: Use gen_unary_per_ol for RVB Date: Mon, 18 Oct 2021 17:01:04 -0700 Message-Id: <20211019000108.3678724-13-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211019000108.3678724-1-richard.henderson@linaro.org> References: <20211019000108.3678724-1-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 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: alistair.francis@wdc.com, qemu-riscv@nongnu.org, zhiwei_liu@c-sky.com Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1634602361101100001 Content-Type: text/plain; charset="utf-8" The count zeros instructions require a separate implementation for RV32 when TARGET_LONG_BITS =3D=3D 64. Reviewed-by: LIU Zhiwei Reviewed-by: Alistair Francis Signed-off-by: Richard Henderson --- target/riscv/translate.c | 16 ++++++++++++ target/riscv/insn_trans/trans_rvb.c.inc | 33 ++++++++++++------------- 2 files changed, 32 insertions(+), 17 deletions(-) diff --git a/target/riscv/translate.c b/target/riscv/translate.c index 5d54570cc9..ebcd1c8431 100644 --- a/target/riscv/translate.c +++ b/target/riscv/translate.c @@ -486,6 +486,22 @@ static bool gen_unary(DisasContext *ctx, arg_r2 *a, Di= sasExtend ext, return true; } =20 +static bool gen_unary_per_ol(DisasContext *ctx, arg_r2 *a, DisasExtend ext, + void (*f_tl)(TCGv, TCGv), + void (*f_32)(TCGv, TCGv)) +{ + int olen =3D get_olen(ctx); + + if (olen !=3D TARGET_LONG_BITS) { + if (olen =3D=3D 32) { + f_tl =3D f_32; + } else { + g_assert_not_reached(); + } + } + return gen_unary(ctx, a, ext, f_tl); +} + static uint32_t opcode_at(DisasContextBase *dcbase, target_ulong pc) { DisasContext *ctx =3D container_of(dcbase, DisasContext, base); diff --git a/target/riscv/insn_trans/trans_rvb.c.inc b/target/riscv/insn_tr= ans/trans_rvb.c.inc index c62eea433a..0c2120428d 100644 --- a/target/riscv/insn_trans/trans_rvb.c.inc +++ b/target/riscv/insn_trans/trans_rvb.c.inc @@ -47,10 +47,18 @@ static void gen_clz(TCGv ret, TCGv arg1) tcg_gen_clzi_tl(ret, arg1, TARGET_LONG_BITS); } =20 +static void gen_clzw(TCGv ret, TCGv arg1) +{ + TCGv t =3D tcg_temp_new(); + tcg_gen_shli_tl(t, arg1, 32); + tcg_gen_clzi_tl(ret, t, 32); + tcg_temp_free(t); +} + static bool trans_clz(DisasContext *ctx, arg_clz *a) { REQUIRE_ZBB(ctx); - return gen_unary(ctx, a, EXT_ZERO, gen_clz); + return gen_unary_per_ol(ctx, a, EXT_NONE, gen_clz, gen_clzw); } =20 static void gen_ctz(TCGv ret, TCGv arg1) @@ -58,10 +66,15 @@ static void gen_ctz(TCGv ret, TCGv arg1) tcg_gen_ctzi_tl(ret, arg1, TARGET_LONG_BITS); } =20 +static void gen_ctzw(TCGv ret, TCGv arg1) +{ + tcg_gen_ctzi_tl(ret, arg1, 32); +} + static bool trans_ctz(DisasContext *ctx, arg_ctz *a) { REQUIRE_ZBB(ctx); - return gen_unary(ctx, a, EXT_ZERO, gen_ctz); + return gen_unary_per_ol(ctx, a, EXT_ZERO, gen_ctz, gen_ctzw); } =20 static bool trans_cpop(DisasContext *ctx, arg_cpop *a) @@ -314,14 +327,6 @@ static bool trans_zext_h_64(DisasContext *ctx, arg_zex= t_h_64 *a) return gen_unary(ctx, a, EXT_NONE, tcg_gen_ext16u_tl); } =20 -static void gen_clzw(TCGv ret, TCGv arg1) -{ - TCGv t =3D tcg_temp_new(); - tcg_gen_shli_tl(t, arg1, 32); - tcg_gen_clzi_tl(ret, t, 32); - tcg_temp_free(t); -} - static bool trans_clzw(DisasContext *ctx, arg_clzw *a) { REQUIRE_64BIT(ctx); @@ -329,17 +334,11 @@ static bool trans_clzw(DisasContext *ctx, arg_clzw *a) return gen_unary(ctx, a, EXT_NONE, gen_clzw); } =20 -static void gen_ctzw(TCGv ret, TCGv arg1) -{ - tcg_gen_ori_tl(ret, arg1, (target_ulong)MAKE_64BIT_MASK(32, 32)); - tcg_gen_ctzi_tl(ret, ret, 64); -} - static bool trans_ctzw(DisasContext *ctx, arg_ctzw *a) { REQUIRE_64BIT(ctx); REQUIRE_ZBB(ctx); - return gen_unary(ctx, a, EXT_NONE, gen_ctzw); + return gen_unary(ctx, a, EXT_ZERO, gen_ctzw); } =20 static bool trans_cpopw(DisasContext *ctx, arg_cpopw *a) --=20 2.25.1