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[2001:8b0:1d0::2]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-432a3688813sm16354555e9.1.2024.11.05.03.19.44 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 05 Nov 2024 03:19:44 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; t=1730805585; x=1731410385; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:from:to:cc:subject:date:message-id :reply-to; bh=OblJVNrVRdiqCsRdbj7zFz9kFn0JIzHW6PAymqxC+rA=; b=SSxRxscLSli4bZwkW4fQr4ak5TXcF8Wu3ZtXxuKynLCYecD9QrFgXeZr3tZxLe3qZU dqfTmjGDZ+R8b9EAvN8coKMc0spR7qg77SBLlW9VHAawVOz/YI8OLbK5fDlC0hZDebNi TGZAAiVoATCO+Tm+hTG+Eq/F+1XcWzFVd8CS8Dw3TcnvUDgneKRRjQfKs/72zIICVDVh REmeV3qkMLwt3jwWOIpHmvU+Nl4K7uMoLoObY87+2oiss43TyyXbyI4MkItWup87CfcB ejXkD50l/eMCxrtC6hRYrSbI3yVuS36Bi2Qv39eo0q55OPi7WXmaAUvQVBNcjw2yuKGY MStw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1730805585; x=1731410385; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=OblJVNrVRdiqCsRdbj7zFz9kFn0JIzHW6PAymqxC+rA=; b=p12qhTtN8yjPEgbZvlK97TDfzwxIkG2D1V5Klb7HLPAYe0b3dipkNtxUHTYswxh6SP m5tQE3APBIh5ASzk0tnn9G4Utlg8k6JiBCs4roWZHGqOQvcgIgqpfFGpyqAYaR1SuHU/ n6lJemQtzMK+lNXUWb2NRJ18VYV/sjX5pSmVS8IT9D9HuqjJiCaNCU6YESKWKabm5RLp LWb7xRqU1eupqLwP1xeoGNigdB4tX0RgpDxAcOKYQBjni1PVgi1eSxwt69cXudX/r0x5 4ycrE5pm8cWeU+ZAG24UmWFwhZtGUsZufNKnoxVPaM6NFqv+WbCut7mBHkwEZjVkW6Wd Fr+g== X-Gm-Message-State: AOJu0Yw1RM5Aw+b5wW3DFGsT5tuR+7JRZnyFprfnni61brlzmT0yPL+6 fK+082NYunLWUKj6EhieRHWLaMwN5ZdJ2uKlgzgRj+IMC8RCXD55RQdjGUMWlbcR9eYg+Vy44KZ 2 X-Google-Smtp-Source: AGHT+IFYrKiadGITU6TXJdjXlbF57kQb895A3Ogu4PVIWkJQxzsrum4CHRAt4R2xz153/GDFkzR/eA== X-Received: by 2002:a05:600c:46c8:b0:42c:b905:2bf9 with SMTP id 5b1f17b1804b1-4319acb17a9mr329516995e9.16.1730805584815; Tue, 05 Nov 2024 03:19:44 -0800 (PST) From: Peter Maydell To: qemu-devel@nongnu.org Subject: [PULL 13/31] target/xtensa: Factor out calls to set_use_first_nan() Date: Tue, 5 Nov 2024 11:19:17 +0000 Message-Id: <20241105111935.2747034-14-peter.maydell@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241105111935.2747034-1-peter.maydell@linaro.org> References: <20241105111935.2747034-1-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::32f; envelope-from=peter.maydell@linaro.org; helo=mail-wm1-x32f.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: 1730805829709116600 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 Message-id: 20241025141254.2141506-14-peter.maydell@linaro.org --- 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