From nobody Tue May 13 19:04:08 2025 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1677477035; cv=none; d=zohomail.com; s=zohoarc; b=QhlLNAzcBzo8Z1SR9ymyB+f3KBafJPqmO3BO+8d0OAPCXKtcz9H0aylJM0JDU/U84hXvUHbu9Qy10dvOck8bZJeSN0TLFqyO1bbDrGhx1l8dWlBcP9MdsjG8/eA/UkZJKFPRn4tduVBDNHx8m8aqFXpfHKmBn6YRUYIwsOH974w= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1677477035; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=0WSSf76yO4ky84ChGadZWB86T9ItD/RboRX03rlB3p8=; b=bmoYdPitDQ+jU8Z3dCBa2KRG1XA38U49BOR8Y4F6LtV3mnXZeORjnerru0E5KOqyO00emnwJM7DuU9oD+P6SbCZOpXRV3FclTY9uW2BBN+StKKkGtmh10dmoTmGWYGVjx5bN8TbnHEefccAiuQQPaLTnfvFKeJWYwbXEiG+QZpI= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 167747703503227.784985098157676; Sun, 26 Feb 2023 21:50:35 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pWWHq-00023D-70; Mon, 27 Feb 2023 00:42:58 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pWWHo-0001um-Ea for qemu-devel@nongnu.org; Mon, 27 Feb 2023 00:42:56 -0500 Received: from mail-pg1-x529.google.com ([2607:f8b0:4864:20::529]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pWWHl-0004nL-Pg for qemu-devel@nongnu.org; Mon, 27 Feb 2023 00:42:56 -0500 Received: by mail-pg1-x529.google.com with SMTP id q23so2845501pgt.7 for ; Sun, 26 Feb 2023 21:42:53 -0800 (PST) Received: from stoup.. (rrcs-173-198-77-218.west.biz.rr.com. [173.198.77.218]) by smtp.gmail.com with ESMTPSA id d10-20020aa7868a000000b005cdc64a287dsm3317137pfo.115.2023.02.26.21.42.49 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sun, 26 Feb 2023 21:42:51 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; 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=0WSSf76yO4ky84ChGadZWB86T9ItD/RboRX03rlB3p8=; b=W/MAG9BRHJ/aNWhr0Ig2EdraVGHK4+Q4hMBfcKI8k/KX+Hy7UGUpxkVnaBKCwmJ8Br fxeiysALdypYmh8E0V1Z53PYkHJQ0sMTKiS+JxgCP2z++ZNou1dDC1SCTrSOYd4no8BO pmDz6VVmghL+XJrSwvIscP0x9iJyGW1pel6gKZdYTRbmERavBLwaJR3rounfc4/VYgZ3 ZSaMURboA3lgJfx2bCpZWKEzyBwbhZmXN3/K+XMCVNCLxa83vuIGEmH0tAGBa/J2wERF 3Iu1VtJct1IUzKBlc0BysouKk2EfzKlKPwNvlqjftetNCL456gQjXxB4Mm/qnVBDo5df gcBg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=0WSSf76yO4ky84ChGadZWB86T9ItD/RboRX03rlB3p8=; b=uQEimJwpjMRvKnj9drU82dQMGLHWE1XyaLM269YVhyIle8G7Enwc9UUg3VkUZIptNB cAfZ3ILS0R9644pYsWO49SqxqsrYb5/hIL3udRpbpBoM+fRRJsx4z4wIkbj3h9yZz0gS bI4zGzKFy+hBu29wZZj6+LfEj408OrEKGAPnXTodP9IYs5StgvHQV0Dtc8qaKjs7nPIb GA65TooytKoaOiHlDI53qS5SiiHUrguODMshhO8NJO/bN75hSrCJ8LhDVIPw+IQ7vH5n D6pcTKkXbucXoLQzIswdz3LqG9c6ZLJNOVxrLU3pvbOgJbj309BIP4NCvCL3CT9e1T26 Q91g== X-Gm-Message-State: AO0yUKUfiPUAkKNrDcI61GOb36NZSFMC7t3DNpdz6OgyfVbicQBzrde8 giqgeAUN1QYD49utUVt0wpOx/7IpI30AB6O1LHE= X-Google-Smtp-Source: AK7set/XdSmzPNU9/8dDucICWS3jbXUxuiXc6kq2dVS7xYh4EK37+VHsKe87VLB0B7rTLXUgWY8atQ== X-Received: by 2002:a62:1a49:0:b0:5a8:ae60:eb4a with SMTP id a70-20020a621a49000000b005a8ae60eb4amr19138845pfa.28.1677476572237; Sun, 26 Feb 2023 21:42:52 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, qemu-ppc@nongnu.org, qemu-riscv@nongnu.org, qemu-s390x@nongnu.org, jcmvbkbc@gmail.com, kbastian@mail.uni-paderborn.de, ysato@users.sourceforge.jp, gaosong@loongson.cn, jiaxun.yang@flygoat.com, tsimpson@quicinc.com, ale@rev.ng, mrolnik@gmail.com, edgar.iglesias@gmail.com Subject: [PATCH 03/70] target/arm: Improve arm_rmode_to_sf Date: Sun, 26 Feb 2023 19:41:26 -1000 Message-Id: <20230227054233.390271-4-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230227054233.390271-1-richard.henderson@linaro.org> References: <20230227054233.390271-1-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+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::529; envelope-from=richard.henderson@linaro.org; helo=mail-pg1-x529.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=unavailable 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+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1677477035332100007 Content-Type: text/plain; charset="utf-8" Use proper enumeration types for input and output. Use a const array to perform the mapping, with an assert that the input is valid. Signed-off-by: Richard Henderson Reviewed-by: Philippe Mathieu-Daud=C3=A9 --- target/arm/internals.h | 12 +++++++++--- target/arm/translate-mve.c | 2 +- target/arm/vfp_helper.c | 33 ++++++++------------------------- 3 files changed, 18 insertions(+), 29 deletions(-) diff --git a/target/arm/internals.h b/target/arm/internals.h index 759b70c646..47d3c32825 100644 --- a/target/arm/internals.h +++ b/target/arm/internals.h @@ -193,16 +193,22 @@ void arm_restore_state_to_opc(CPUState *cs, void arm_cpu_synchronize_from_tb(CPUState *cs, const TranslationBlock *tb); #endif /* CONFIG_TCG */ =20 -enum arm_fprounding { +typedef enum ARMFPRounding { FPROUNDING_TIEEVEN, FPROUNDING_POSINF, FPROUNDING_NEGINF, FPROUNDING_ZERO, FPROUNDING_TIEAWAY, FPROUNDING_ODD -}; +} ARMFPRounding; =20 -int arm_rmode_to_sf(int rmode); +extern const FloatRoundMode arm_rmode_to_sf_map[6]; + +static inline FloatRoundMode arm_rmode_to_sf(ARMFPRounding rmode) +{ + assert((unsigned)rmode < ARRAY_SIZE(arm_rmode_to_sf_map)); + return arm_rmode_to_sf_map[rmode]; +} =20 static inline void aarch64_save_sp(CPUARMState *env, int el) { diff --git a/target/arm/translate-mve.c b/target/arm/translate-mve.c index 798b4fddfe..9744bf3de0 100644 --- a/target/arm/translate-mve.c +++ b/target/arm/translate-mve.c @@ -588,7 +588,7 @@ DO_VCVT(VCVT_FS, vcvt_hs, vcvt_fs) DO_VCVT(VCVT_FU, vcvt_hu, vcvt_fu) =20 static bool do_vcvt_rmode(DisasContext *s, arg_1op *a, - enum arm_fprounding rmode, bool u) + ARMFPRounding rmode, bool u) { /* * Handle VCVT fp to int with specified rounding mode. diff --git a/target/arm/vfp_helper.c b/target/arm/vfp_helper.c index 90cc324f71..36906db8e0 100644 --- a/target/arm/vfp_helper.c +++ b/target/arm/vfp_helper.c @@ -1104,31 +1104,14 @@ float64 HELPER(rintd)(float64 x, void *fp_status) } =20 /* Convert ARM rounding mode to softfloat */ -int arm_rmode_to_sf(int rmode) -{ - switch (rmode) { - case FPROUNDING_TIEAWAY: - rmode =3D float_round_ties_away; - break; - case FPROUNDING_ODD: - rmode =3D float_round_to_odd; - break; - case FPROUNDING_TIEEVEN: - default: - rmode =3D float_round_nearest_even; - break; - case FPROUNDING_POSINF: - rmode =3D float_round_up; - break; - case FPROUNDING_NEGINF: - rmode =3D float_round_down; - break; - case FPROUNDING_ZERO: - rmode =3D float_round_to_zero; - break; - } - return rmode; -} +const FloatRoundMode arm_rmode_to_sf_map[] =3D { + [FPROUNDING_TIEEVEN] =3D float_round_nearest_even, + [FPROUNDING_POSINF] =3D float_round_up, + [FPROUNDING_NEGINF] =3D float_round_down, + [FPROUNDING_ZERO] =3D float_round_to_zero, + [FPROUNDING_TIEAWAY] =3D float_round_ties_away, + [FPROUNDING_ODD] =3D float_round_to_odd, +}; =20 /* * Implement float64 to int32_t conversion without saturation; --=20 2.34.1