From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id C59C8C433F5 for ; Tue, 19 Oct 2021 15:58:22 +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 562BA6115B for ; Tue, 19 Oct 2021 15:58:22 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.4.1 mail.kernel.org 562BA6115B Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=linaro.org Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=nongnu.org Received: from localhost ([::1]:46982 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mcrVN-0000gS-5O for qemu-devel@archiver.kernel.org; Tue, 19 Oct 2021 11:58:21 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:54580) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mcqz8-0005V1-5W for qemu-devel@nongnu.org; Tue, 19 Oct 2021 11:25:02 -0400 Received: from mail-pj1-x1033.google.com ([2607:f8b0:4864:20::1033]:42500) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1mcqyv-0007bE-D4 for qemu-devel@nongnu.org; Tue, 19 Oct 2021 11:25:01 -0400 Received: by mail-pj1-x1033.google.com with SMTP id nn3-20020a17090b38c300b001a03bb6c4ebso157425pjb.1 for ; Tue, 19 Oct 2021 08:24:48 -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=YQ+rA+5ILyHzsnqwm8uC4tM6FqgsnEWS1+svMUGAPrgsGeJLhx8FPRYrGQrjbKK83H mdOZVgzIVOKQo84lYweo+qhCebKtHjkkrnpV9OAG8AhYNHQfBZePGRNvicC3onwJyioK nHRmO0VadPp6PxygRjb+FoWc0aqaeV0oE+x22IAudipSG8tWUgf7hqR2+QVFb/+M49pk noqExgxgb6UOMxOrv6zadjE3YiMUHzZUkTZ3ZhN4M4tL8i27zfcKvjYnQ5oPflbPCBGG 8nAhEQ4WZU4nFNv/4wJNyvbdYPx2WFoi5uBCzqlDtYYaWHcugwo2F/rPIlNM0iRLU6Bq cZdQ== 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=Qq7H22a9J422tsGnSBi9oPRsZ1XO0ir6G/kbu0zoY9kgTqoNvH9vp4RNXoiGjRWTHM LzyfCYsA85Qi6z+CxGZF632+muPYM6P/JblQ0+ySRhtxxT1ZvS84d5DEPv9NWOi40/jB aPuGQH77TLzVYe1ZHmbV61Uc1s/PnPSJ9JHRu1r9EJ45XZ/XkQzVMvCiHZTjthFjQESg gFasiABpmUHZMs0GXFok/FDbqorcN4F8vHL/SvrILpwnV5KpR51CPWxoQyYpF0gcmcJL 685/z4Q6aXbl6tmwl+N3UFzzsWHPBz2NqEcLMFJjDZ5z3q48ET98SV46080OwiiUBeeI 7fiQ== X-Gm-Message-State: AOAM533okQYDwdJftEeyro/c95EJAl9Av57i4cuikoDSV+Ca0TGli1h9 3V2L3i4OTrOM73cVOFX00zCumsMK7tssqg== X-Google-Smtp-Source: ABdhPJzKW/HvsRfO26I8Y03QaMMsfSWzdv7Co9jwCBnk8EpYkR6dZ5fedZcKzBPcglGc5K3GfXtPeg== X-Received: by 2002:a17:90b:4c0d:: with SMTP id na13mr480691pjb.232.1634657088073; Tue, 19 Oct 2021 08:24:48 -0700 (PDT) Received: from localhost.localdomain ([71.212.134.125]) by smtp.gmail.com with ESMTPSA id i2sm3293814pjt.19.2021.10.19.08.24.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 19 Oct 2021 08:24:47 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Subject: [PATCH v5 12/16] target/riscv: Use gen_unary_per_ol for RVB Date: Tue, 19 Oct 2021 08:24:34 -0700 Message-Id: <20211019152438.269077-13-richard.henderson@linaro.org> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211019152438.269077-1-richard.henderson@linaro.org> References: <20211019152438.269077-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::1033; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1033.google.com X-Spam_score_int: 2 X-Spam_score: 0.2 X-Spam_bar: / X-Spam_report: (0.2 / 5.0 requ) DKIM_INVALID=0.1, DKIM_SIGNED=0.1, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" The count zeros instructions require a separate implementation for RV32 when TARGET_LONG_BITS == 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, DisasExtend ext, return true; } +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 = get_olen(ctx); + + if (olen != TARGET_LONG_BITS) { + if (olen == 32) { + f_tl = 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 = container_of(dcbase, DisasContext, base); diff --git a/target/riscv/insn_trans/trans_rvb.c.inc b/target/riscv/insn_trans/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); } +static void gen_clzw(TCGv ret, TCGv arg1) +{ + TCGv t = 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); } 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); } +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); } static bool trans_cpop(DisasContext *ctx, arg_cpop *a) @@ -314,14 +327,6 @@ static bool trans_zext_h_64(DisasContext *ctx, arg_zext_h_64 *a) return gen_unary(ctx, a, EXT_NONE, tcg_gen_ext16u_tl); } -static void gen_clzw(TCGv ret, TCGv arg1) -{ - TCGv t = 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); } -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); } static bool trans_cpopw(DisasContext *ctx, arg_cpopw *a) -- 2.25.1