From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52038) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1gBNnS-0003W4-9o for qemu-devel@nongnu.org; Sat, 13 Oct 2018 13:33:50 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1gBNnO-0001WI-Aq for qemu-devel@nongnu.org; Sat, 13 Oct 2018 13:33:50 -0400 Received: from mail-pf1-x42d.google.com ([2607:f8b0:4864:20::42d]:43431) by eggs.gnu.org with esmtps (TLS1.0:RSA_AES_128_CBC_SHA1:16) (Exim 4.71) (envelope-from ) id 1gBNnN-0001VU-SD for qemu-devel@nongnu.org; Sat, 13 Oct 2018 13:33:46 -0400 Received: by mail-pf1-x42d.google.com with SMTP id p24-v6so7691339pff.10 for ; Sat, 13 Oct 2018 10:33:45 -0700 (PDT) References: <20181012173047.25420-1-kbastian@mail.uni-paderborn.de> <20181012173047.25420-11-kbastian@mail.uni-paderborn.de> From: Richard Henderson Message-ID: <128e8207-faeb-68b1-0cba-a71392a216c1@linaro.org> Date: Sat, 13 Oct 2018 10:33:40 -0700 MIME-Version: 1.0 In-Reply-To: <20181012173047.25420-11-kbastian@mail.uni-paderborn.de> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [Qemu-devel] [PATCH 10/28] target/riscv: Convert RV32F insns to decodetree List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Bastian Koppelmann , mjc@sifive.com, palmer@sifive.com, sagark@eecs.berkeley.edu Cc: peer.adelt@hni.uni-paderborn.de, Alistair.Francis@wdc.com, qemu-devel@nongnu.org On 10/12/18 10:30 AM, Bastian Koppelmann wrote: > +#define REQUIRE_FPU \ > +if (!(ctx->flags & TB_FLAGS_FP_ENABLE)) \ > + gen_exception_illegal(ctx) Should wrap this in do { } while (0). And simply return true after the exception; no need to generate the dead code that follows. Otherwise, Reviewed-by: Richard Henderson r~