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[2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-4318b57b051sm50104535e9.42.2024.10.25.07.13.07 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 25 Oct 2024 07:13:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1729865588; x=1730470388; darn=nongnu.org; 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=BczarKbZJDxbjH7vD9cLXbmuaONY9kegQ+oAgDMMF9U=; b=XKyCwuPgMRD5EESVEuJwYn4wbvkUiQHedOWBLth6UVHgYaoGkpqIlrjZvthKRk8Pwi 27d9gA84vjU/1Th7GK+rMm+zx+F7sGP0BRkc7KQPczUWhHgwzRIqtBgRNMRciQhV8cIu WWwevhjPMGTTBO18ZRwdlrB7WqTUu7KEQjl3wg8eMaOJe7XxJ7eAGgRcGAFcPJX3Y7Zo H1kkG1iO+3xS5N83MyWM5JoVUROBc7AOxgwQNVk0Seuga4l0N7v0R9NZOc8+Ts1VNtpW WOfh8O5UuseMvNxxmkGdgcBlQi6vmETGjziQP1Hc3HQa4T7d9VcEtxJ2pZZMY5D8m2NF EfdQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1729865588; x=1730470388; 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=BczarKbZJDxbjH7vD9cLXbmuaONY9kegQ+oAgDMMF9U=; b=Llp4FSyR3HPPNRnFccGxw9+wdjFWw9g3BdUnDw/uEg8St+ug57GCLJUzp3WbEMLtTR L7kUATDo3sQE3vMOCr0Pelg6UyDnI68ZHcwCqCcKrF1IF+cDVhmG/WymavvWCyxu/nVS aj6eDl8uypUVqLf+kcXaYwf/DPpTnllrlR6Yp4TeAdhNupvG7ydqg08+1ObYyEU/2rHd XtE3Xu/+KnKEXRAofGzJqHafErbvrtv1CU/f5DiyNGTygqcyv7ETLGjFue2XQSC4jA78 4wpBR8wm5yNvdDVcEK1miNgg2PS2IcUBTnEY2B8onLVP9PEnT9VgjSKI+CT4vcVgAZ1x u4KA== X-Forwarded-Encrypted: i=1; AJvYcCUgacg4i3fOA6iqry6PS79ZJ/YUyyiAnnZppH3Z9s0BrNK8fK+fy9+2i+VLRVzSz2Ivol2MlsoUZN1K@nongnu.org X-Gm-Message-State: AOJu0Yxc4SVhbgIGcqppKGpP44BXWqT3+Xqis2nyBH9RXYHxdSn5JWtC 6+9/dIMjMEIQvDtuGRq0VmwkZx6MwqsgZ5XqqtpGBbRkrFYxk2lzwrENzzBX/Kk= X-Google-Smtp-Source: AGHT+IGNNUYTl0oSNkkML3EYVg7ubOEefufl3uJ7Hu9oF+87c+QcxlU+fQ+f2iqHE1/Nl7pGgL9vYA== X-Received: by 2002:a05:600c:1552:b0:42c:b750:1a1e with SMTP id 5b1f17b1804b1-4318beb62e6mr50079065e9.0.1729865587749; Fri, 25 Oct 2024 07:13:07 -0700 (PDT) From: Peter Maydell To: qemu-arm@nongnu.org, qemu-devel@nongnu.org Cc: =?UTF-8?q?Alex=20Benn=C3=A9e?= , Richard Henderson , =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= , Song Gao , Eduardo Habkost , "Edgar E. Iglesias" , Jiaxun Yang , Aleksandar Rikalo , Stafford Horne , Nicholas Piggin , Daniel Henrique Barboza , Yoshinori Sato , David Hildenbrand , Ilya Leoshkevich , Thomas Huth , Mark Cave-Ayland , Artyom Tarasenko , Max Filippov , qemu-ppc@nongnu.org, qemu-s390x@nongnu.org Subject: [PATCH 13/21] target/xtensa: Factor out calls to set_use_first_nan() Date: Fri, 25 Oct 2024 15:12:46 +0100 Message-Id: <20241025141254.2141506-14-peter.maydell@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241025141254.2141506-1-peter.maydell@linaro.org> References: <20241025141254.2141506-1-peter.maydell@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=2a00:1450:4864:20::334; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x334.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: 1729865748959116600 Content-Type: text/plain; charset="utf-8" In xtensa we currently call set_use_first_nan() in a lot of places where we want to switch the NaN-propagation handling. We're about to change the softfloat API we use to do that, so start by factoring all the calls out into a single xtensa_use_first_nan() function. The bulk of this change was done with sed -i -e 's/set_use_first_nan(\([^,]*\),[^)]*)/xtensa_use_first_nan(env, = \1)/' target/xtensa/fpu_helper.c Signed-off-by: Peter Maydell Reviewed-by: Max Filippov Reviewed-by: Richard Henderson --- target/xtensa/cpu.h | 6 ++++++ target/xtensa/cpu.c | 2 +- target/xtensa/fpu_helper.c | 33 +++++++++++++++++++-------------- 3 files changed, 26 insertions(+), 15 deletions(-) diff --git a/target/xtensa/cpu.h b/target/xtensa/cpu.h index 9f2341d8563..77e48eef19c 100644 --- a/target/xtensa/cpu.h +++ b/target/xtensa/cpu.h @@ -802,4 +802,10 @@ static inline void cpu_get_tb_cpu_state(CPUXtensaState= *env, vaddr *pc, XtensaCPU *xtensa_cpu_create_with_clock(const char *cpu_type, Clock *cpu_refclk); =20 +/* + * Set the NaN propagation rule for future FPU operations: + * use_first is true to pick the first NaN as the result if both + * inputs are NaNs, false to pick the second. + */ +void xtensa_use_first_nan(CPUXtensaState *env, bool use_first); #endif diff --git a/target/xtensa/cpu.c b/target/xtensa/cpu.c index a08c7a0b1f2..6f9039abaee 100644 --- a/target/xtensa/cpu.c +++ b/target/xtensa/cpu.c @@ -134,7 +134,7 @@ static void xtensa_cpu_reset_hold(Object *obj, ResetTyp= e type) cs->halted =3D env->runstall; #endif set_no_signaling_nans(!dfpu, &env->fp_status); - set_use_first_nan(!dfpu, &env->fp_status); + xtensa_use_first_nan(env, !dfpu); } =20 static ObjectClass *xtensa_cpu_class_by_name(const char *cpu_model) diff --git a/target/xtensa/fpu_helper.c b/target/xtensa/fpu_helper.c index 381e83ded83..50a5efa65e2 100644 --- a/target/xtensa/fpu_helper.c +++ b/target/xtensa/fpu_helper.c @@ -57,6 +57,11 @@ static const struct { { XTENSA_FP_V, float_flag_invalid, }, }; =20 +void xtensa_use_first_nan(CPUXtensaState *env, bool use_first) +{ + set_use_first_nan(use_first, &env->fp_status); +} + void HELPER(wur_fpu2k_fcr)(CPUXtensaState *env, uint32_t v) { static const int rounding_mode[] =3D { @@ -171,87 +176,87 @@ float32 HELPER(fpu2k_msub_s)(CPUXtensaState *env, =20 float64 HELPER(add_d)(CPUXtensaState *env, float64 a, float64 b) { - set_use_first_nan(true, &env->fp_status); + xtensa_use_first_nan(env, true); return float64_add(a, b, &env->fp_status); } =20 float32 HELPER(add_s)(CPUXtensaState *env, float32 a, float32 b) { - set_use_first_nan(env->config->use_first_nan, &env->fp_status); + xtensa_use_first_nan(env, env->config->use_first_nan); return float32_add(a, b, &env->fp_status); } =20 float64 HELPER(sub_d)(CPUXtensaState *env, float64 a, float64 b) { - set_use_first_nan(true, &env->fp_status); + xtensa_use_first_nan(env, true); return float64_sub(a, b, &env->fp_status); } =20 float32 HELPER(sub_s)(CPUXtensaState *env, float32 a, float32 b) { - set_use_first_nan(env->config->use_first_nan, &env->fp_status); + xtensa_use_first_nan(env, env->config->use_first_nan); return float32_sub(a, b, &env->fp_status); } =20 float64 HELPER(mul_d)(CPUXtensaState *env, float64 a, float64 b) { - set_use_first_nan(true, &env->fp_status); + xtensa_use_first_nan(env, true); return float64_mul(a, b, &env->fp_status); } =20 float32 HELPER(mul_s)(CPUXtensaState *env, float32 a, float32 b) { - set_use_first_nan(env->config->use_first_nan, &env->fp_status); + xtensa_use_first_nan(env, env->config->use_first_nan); return float32_mul(a, b, &env->fp_status); } =20 float64 HELPER(madd_d)(CPUXtensaState *env, float64 a, float64 b, float64 = c) { - set_use_first_nan(env->config->use_first_nan, &env->fp_status); + xtensa_use_first_nan(env, env->config->use_first_nan); return float64_muladd(b, c, a, 0, &env->fp_status); } =20 float32 HELPER(madd_s)(CPUXtensaState *env, float32 a, float32 b, float32 = c) { - set_use_first_nan(env->config->use_first_nan, &env->fp_status); + xtensa_use_first_nan(env, env->config->use_first_nan); return float32_muladd(b, c, a, 0, &env->fp_status); } =20 float64 HELPER(msub_d)(CPUXtensaState *env, float64 a, float64 b, float64 = c) { - set_use_first_nan(env->config->use_first_nan, &env->fp_status); + xtensa_use_first_nan(env, env->config->use_first_nan); return float64_muladd(b, c, a, float_muladd_negate_product, &env->fp_status); } =20 float32 HELPER(msub_s)(CPUXtensaState *env, float32 a, float32 b, float32 = c) { - set_use_first_nan(env->config->use_first_nan, &env->fp_status); + xtensa_use_first_nan(env, env->config->use_first_nan); return float32_muladd(b, c, a, float_muladd_negate_product, &env->fp_status); } =20 float64 HELPER(mkdadj_d)(CPUXtensaState *env, float64 a, float64 b) { - set_use_first_nan(true, &env->fp_status); + xtensa_use_first_nan(env, true); return float64_div(b, a, &env->fp_status); } =20 float32 HELPER(mkdadj_s)(CPUXtensaState *env, float32 a, float32 b) { - set_use_first_nan(env->config->use_first_nan, &env->fp_status); + xtensa_use_first_nan(env, env->config->use_first_nan); return float32_div(b, a, &env->fp_status); } =20 float64 HELPER(mksadj_d)(CPUXtensaState *env, float64 v) { - set_use_first_nan(true, &env->fp_status); + xtensa_use_first_nan(env, true); return float64_sqrt(v, &env->fp_status); } =20 float32 HELPER(mksadj_s)(CPUXtensaState *env, float32 v) { - set_use_first_nan(env->config->use_first_nan, &env->fp_status); + xtensa_use_first_nan(env, env->config->use_first_nan); return float32_sqrt(v, &env->fp_status); } =20 --=20 2.34.1