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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 74322C433FE for ; Thu, 20 Oct 2022 03:20:02 +0000 (UTC) Received: from localhost ([::1]:46420 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1olM6D-0005cT-Hg for qemu-devel@archiver.kernel.org; Wed, 19 Oct 2022 23:20:01 -0400 Received: from [::1] (port=32960 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1olLzL-0007h3-Tt for qemu-devel@archiver.kernel.org; Wed, 19 Oct 2022 23:12:55 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:56404) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1olLu6-0003MO-Ns for qemu-devel@nongnu.org; Wed, 19 Oct 2022 23:07:30 -0400 Received: from mail-pl1-x62e.google.com ([2607:f8b0:4864:20::62e]:33719) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1olLu3-0001p8-9X for qemu-devel@nongnu.org; Wed, 19 Oct 2022 23:07:29 -0400 Received: by mail-pl1-x62e.google.com with SMTP id 10so19126758pli.0 for ; Wed, 19 Oct 2022 20:07:26 -0700 (PDT) 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=6bcy/cgrj5zD+rnRzRv+8Z9hvfKTyl1svf3Chx5N2Jw=; b=dWyDFVZPD6CjsRJFiEMto8mE2eW/vqKPQPlkqe8MXzMXcyDCI4RWnXM+1ytBjlfnjM Awn4Pbw/Na1uMfy8dXoVYb+vSo3cLWTey5T0bj8w9rRgGs8ukvCsNXXB7AEQX68dCsGZ OlD2xlr2AZwo9mfcdtGM64WifYKWuUQsC+lZBYahxko0bkXYDCSdw1s1AsWIiwvICoHD XXizs9ZESiO1F46tb16IS/z9KWIai6Fz5/SVAgYt7qLxTp44/fH2wBcO8g/n+pT5kHUO 3OWJJQUGgQxxbaKaoilk9joT15OlJF/ahLfyUfm8yBSNvSZ0udb/h4h8wWwiLSSUemyk K38Q== 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=6bcy/cgrj5zD+rnRzRv+8Z9hvfKTyl1svf3Chx5N2Jw=; b=VmBcZBkiaXP9pt0xXFYaZLW0YoeShrAFrSmyDPn/3Sp+pvQ93SpqG0cy01OrkLUCeN jVAdqCZhTHAaFFV70dhrZZtSA1AF5D1jP0m3IuO7k965K3rTXg6+wqA1+6zCRL+T3JVA m+OElLcgYfpayw0Yb2mCAqkZ3OAw7VkK0XZ7VpuxnosLt6x8Yyje95SW2orBMH2b3HAr IuVoYHP6RQ/jdCMSxYEtGl0UVzh5DLPVU7yHFbC53sa6ZIYpdzameOi7hsGWNiFogHET CH2X2978Q0OI1sbN1d1ju/ECH7s0kuCUXWk06Ce6kuo7y5gnRwZjJaiK6XZ+gIcCx2PQ K/bw== X-Gm-Message-State: ACrzQf1kkFEDB9XMO+Y6sDACnc8q5czNcgM5J8FmUTqJvBQ2PreKpvT+ QLJF8xeHilB3pLAkZv+NydYL+0JzMlvZ91td X-Google-Smtp-Source: AMsMyM5MvJBoSz0twnoHLdHR3RwFYYpQrVsUdVz8h3MnnPYjujVyC2ZUSu/k3CQJ/jHBNkCXXl8VGA== X-Received: by 2002:a17:902:ec8a:b0:185:5462:261a with SMTP id x10-20020a170902ec8a00b001855462261amr11759982plg.160.1666235245864; Wed, 19 Oct 2022 20:07:25 -0700 (PDT) Received: from localhost.localdomain ([149.135.10.35]) by smtp.gmail.com with ESMTPSA id m9-20020a63ed49000000b0043c7996f7f0sm10657647pgk.58.2022.10.19.20.07.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Oct 2022 20:07:25 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, =?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= Subject: [PATCH v8 5/9] target/arm: Remove gen_exception_internal_insn pc argument Date: Thu, 20 Oct 2022 13:06:37 +1000 Message-Id: <20221020030641.2066807-6-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20221020030641.2066807-1-richard.henderson@linaro.org> References: <20221020030641.2066807-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::62e; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62e.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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" In preparation for TARGET_TB_PCREL, reduce reliance on absolute values. Since we always pass dc->pc_curr, fold the arithmetic to zero displacement. Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson --- target/arm/translate-a64.c | 6 +++--- target/arm/translate.c | 10 +++++----- 2 files changed, 8 insertions(+), 8 deletions(-) diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index 49380e1cfe..623f7e2e96 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -332,9 +332,9 @@ static void gen_exception_internal(int excp) gen_helper_exception_internal(cpu_env, tcg_constant_i32(excp)); } -static void gen_exception_internal_insn(DisasContext *s, uint64_t pc, int excp) +static void gen_exception_internal_insn(DisasContext *s, int excp) { - gen_a64_update_pc(s, pc - s->pc_curr); + gen_a64_update_pc(s, 0); gen_exception_internal(excp); s->base.is_jmp = DISAS_NORETURN; } @@ -2211,7 +2211,7 @@ static void disas_exc(DisasContext *s, uint32_t insn) * Secondly, "HLT 0xf000" is the A64 semihosting syscall instruction. */ if (semihosting_enabled(s->current_el == 0) && imm16 == 0xf000) { - gen_exception_internal_insn(s, s->pc_curr, EXCP_SEMIHOST); + gen_exception_internal_insn(s, EXCP_SEMIHOST); } else { unallocated_encoding(s); } diff --git a/target/arm/translate.c b/target/arm/translate.c index 350f991649..9104ab8232 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -1074,10 +1074,10 @@ static inline void gen_smc(DisasContext *s) s->base.is_jmp = DISAS_SMC; } -static void gen_exception_internal_insn(DisasContext *s, uint32_t pc, int excp) +static void gen_exception_internal_insn(DisasContext *s, int excp) { gen_set_condexec(s); - gen_update_pc(s, pc - s->pc_curr); + gen_update_pc(s, 0); gen_exception_internal(excp); s->base.is_jmp = DISAS_NORETURN; } @@ -1169,7 +1169,7 @@ static inline void gen_hlt(DisasContext *s, int imm) */ if (semihosting_enabled(s->current_el != 0) && (imm == (s->thumb ? 0x3c : 0xf000))) { - gen_exception_internal_insn(s, s->pc_curr, EXCP_SEMIHOST); + gen_exception_internal_insn(s, EXCP_SEMIHOST); return; } @@ -6556,7 +6556,7 @@ static bool trans_BKPT(DisasContext *s, arg_BKPT *a) if (arm_dc_feature(s, ARM_FEATURE_M) && semihosting_enabled(s->current_el == 0) && (a->imm == 0xab)) { - gen_exception_internal_insn(s, s->pc_curr, EXCP_SEMIHOST); + gen_exception_internal_insn(s, EXCP_SEMIHOST); } else { gen_exception_bkpt_insn(s, syn_aa32_bkpt(a->imm, false)); } @@ -8762,7 +8762,7 @@ static bool trans_SVC(DisasContext *s, arg_SVC *a) if (!arm_dc_feature(s, ARM_FEATURE_M) && semihosting_enabled(s->current_el == 0) && (a->imm == semihost_imm)) { - gen_exception_internal_insn(s, s->pc_curr, EXCP_SEMIHOST); + gen_exception_internal_insn(s, EXCP_SEMIHOST); } else { gen_update_pc(s, curr_insn_len(s)); s->svc_imm = a->imm; -- 2.34.1