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([2602:ae:154a:9f01:bf7f:79a0:a976:bdaf]) by smtp.gmail.com with ESMTPSA id c2-20020a170902aa4200b001991e4e0bdcsm43797plr.233.2023.03.09.12.09.53 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Mar 2023 12:09:53 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1678392594; 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=1cudVQ02HiPN679lxe7GeIU6QCBZXBjPIrdLqimdu9w=; b=N6Aqxu+h7XKma8/6yd0681tHYOS5SeR+rbi35Hz951hfhwqPpizOoutPhxOwjux7yp 6idup3etCenvOHk9ioHYLX4tAMenKiBeTbC1G5VeXhbVY95qbeiKmvCXXWzdiBTKNodw OCtJXep+epbmJ3ODSNtFt4bxsjfoUwkZqJzxDO8iLLbgsqRf8QPPpK/4L94zULz/FWq0 +5gpLJxhyNnjREIpTWlx2t482f13yALAiSkcPJAhFDTpk74Y6bzRJHSVXLQVMJgOd3hN Br2YbGoHutpKuuqb8yyO5nO7wdI7k+kvXeHUPM2GlIZO/TugexrgaWMcL3KtbBsM4Uvl 9Efg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; t=1678392594; 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=1cudVQ02HiPN679lxe7GeIU6QCBZXBjPIrdLqimdu9w=; b=vij7xI14NIrBU/OjPhpnL1YEvKwBrdo9pZhwBXNQYrPtcby2VmPZO1ebn1qm6KO3g0 Lki5SXeGpokFAYr3PEwX8ZsiyVKV20geDlmBCcCddpuwbD3JMtDNy8V4Rpsmy/woiLy/ ssu9IPMSoWFLafQ4QA59L9tz8nm+z8nMgv8qj8znzLYCunpqI2OXWrsKFz1tdrqtHppg Ny0TMV0+NSvAzbcMNUx4YfDG8QrI0gkhiGxMqLrUEi5kzEcxW3X0+qRRkJIHYfiC0+RB 8+nF+z67YNs99WzcjjF1sWidPomUfYNuknqo35bBZ7+DXDDyaYEnKjPwgOEtSvFAgWE3 1FSw== X-Gm-Message-State: AO0yUKVKbBWwFH/AmD3oZ1BDazKMRtQ4B3I+i/x1GyNreym+NMY9MYC9 EketV7E1e639du2VaHcTvcQyNLnUQoBb2PrDh9k= X-Google-Smtp-Source: AK7set+4UhsRqDxFoOQZ7kXV6VMrgBKYrs2bMBGxgwTIfRIw3lo6DS7WrFOwvkA8IttBxGKKC8txnQ== X-Received: by 2002:a17:902:ee45:b0:19e:6c7a:481 with SMTP id 5-20020a170902ee4500b0019e6c7a0481mr19320956plo.68.1678392594075; Thu, 09 Mar 2023 12:09:54 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PULL v2 70/91] target/arm: Improve arm_rmode_to_sf Date: Thu, 9 Mar 2023 12:05:29 -0800 Message-Id: <20230309200550.3878088-71-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230309200550.3878088-1-richard.henderson@linaro.org> References: <20230309200550.3878088-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" 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::1033; envelope-from=richard.henderson@linaro.org; helo=mail-pj1-x1033.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: 2.1.29 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 @linaro.org) X-ZM-MESSAGEID: 1678393281991100001 Use proper enumeration types for input and output. Use a const array to perform the mapping, with an assert that the input is valid. Reviewed-by: Philippe Mathieu-Daud=C3=A9 Signed-off-by: Richard Henderson --- target/arm/internals.h | 12 +++++++++--- target/arm/tcg/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 b1ef05963f..673519a24a 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/tcg/translate-mve.c b/target/arm/tcg/translate-mve.c index 798b4fddfe..9744bf3de0 100644 --- a/target/arm/tcg/translate-mve.c +++ b/target/arm/tcg/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