[{"id":3675800,"web_url":"http://patchwork.ozlabs.org/comment/3675800/","msgid":"","list_archive_url":null,"date":"2026-04-10T10:52:22","subject":"Re: [PATCH] doc: document arm_mixed_fp [PR113276]","submitter":{"id":67887,"url":"http://patchwork.ozlabs.org/api/people/67887/","name":"Richard Earnshaw (foss)","email":"Richard.Earnshaw@arm.com"},"content":"On 10/04/2026 10:53, Torbjörn SVENSSON wrote:\n> Ok for trunk and releases/gcc-15?\n> \n> --\n> \n> This documentation should have been part of r16-8549-g3d30fc2f73ccc1.\n> \n> gcc/ChangeLog:\n> \n> \tPR testsuite/113276\n> \t* doc/sourcebuild.texi (arm_mixed_fp): Document.\n> \n> Signed-off-by: Torbjörn SVENSSON \n> ---\n> gcc/doc/sourcebuild.texi | 6 ++++++\n> 1 file changed, 6 insertions(+)\n> \n> diff --git a/gcc/doc/sourcebuild.texi b/gcc/doc/sourcebuild.texi\n> index 3bccb1384d9..8ef8c3f2f54 100644\n> --- a/gcc/doc/sourcebuild.texi\n> +++ b/gcc/doc/sourcebuild.texi\n> @@ -2351,6 +2351,12 @@ ARM target supporting @code{-mbranch-protection=standard}.\n> @item arm_pacbti_hw\n> Test system supports for executing non nop pacbti instructions.\n> \n> +@item arm_mixed_fp\n> +ARM target defines @code{__ARM_FP} using @code{-mfloat-abi=softfp} or\n> +equivalent options. The value of @code{__ARM_FP} needs to indicate that both\n> +single- and double-precision floats are supported using the FPU (no software\n> +emulation).\n> +\n> @end table\n> \n> @subsubsection AArch64-specific attributes\n\nI'm not sure that makes much sense. How about,\n\nOn Arm targets, true when the target uses hardware instructions for single-precision floatint-point values, but software emulation for double-precision values.\n\nR.","headers":{"Return-Path":"","X-Original-To":["incoming@patchwork.ozlabs.org","gcc-patches@gcc.gnu.org"],"Delivered-To":["patchwork-incoming@legolas.ozlabs.org","gcc-patches@gcc.gnu.org"],"Authentication-Results":["legolas.ozlabs.org;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key;\n unprotected) header.d=arm.com header.i=@arm.com header.a=rsa-sha256\n header.s=foss header.b=agsVibjS;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=gcc.gnu.org\n (client-ip=38.145.34.32; helo=vm01.sourceware.org;\n envelope-from=gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org;\n receiver=patchwork.ozlabs.org)","sourceware.org;\n\tdkim=fail reason=\"signature verification failed\" (1024-bit key,\n unprotected) header.d=arm.com header.i=@arm.com header.a=rsa-sha256\n header.s=foss header.b=agsVibjS","sourceware.org;\n dmarc=pass (p=none dis=none) header.from=arm.com","sourceware.org; spf=pass smtp.mailfrom=arm.com","server2.sourceware.org;\n arc=none smtp.remote-ip=217.140.110.172"],"Received":["from vm01.sourceware.org (vm01.sourceware.org [38.145.34.32])\n\t(using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits)\n\t key-exchange x25519 server-signature ECDSA (secp384r1) server-digest SHA384)\n\t(No client certificate requested)\n\tby legolas.ozlabs.org (Postfix) with ESMTPS id 4fsYYP1zKVz1yGb\n\tfor ; Fri, 10 Apr 2026 20:52:56 +1000 (AEST)","from vm01.sourceware.org (localhost [127.0.0.1])\n\tby sourceware.org (Postfix) with ESMTP id C80754BA2E3B\n\tfor ; Fri, 10 Apr 2026 10:52:53 +0000 (GMT)","from foss.arm.com (foss.arm.com [217.140.110.172])\n by sourceware.org (Postfix) with ESMTP id D93354BA2E2E\n for ; Fri, 10 Apr 2026 10:52:26 +0000 (GMT)","from usa-sjc-imap-foss1.foss.arm.com (unknown [10.121.207.14])\n by usa-sjc-mx-foss1.foss.arm.com (Postfix) with ESMTP id 85EF12682;\n Fri, 10 Apr 2026 03:52:19 -0700 (PDT)","from [10.2.81.40] (K1Q07FYLHY.cambridge.arm.com [10.2.81.40])\n by usa-sjc-imap-foss1.foss.arm.com (Postfix) with ESMTPSA id 7D1173FAF5;\n Fri, 10 Apr 2026 03:52:24 -0700 (PDT)"],"DKIM-Filter":["OpenDKIM Filter v2.11.0 sourceware.org C80754BA2E3B","OpenDKIM Filter v2.11.0 sourceware.org D93354BA2E2E"],"DMARC-Filter":"OpenDMARC Filter v1.4.2 sourceware.org D93354BA2E2E","ARC-Filter":"OpenARC Filter v1.0.0 sourceware.org D93354BA2E2E","ARC-Seal":"i=1; a=rsa-sha256; d=sourceware.org; s=key; t=1775818347; cv=none;\n b=lLtFj6ZMMAvFQsrcxSfJ7Ikmivdncg4BmXzAsxuu85VKWhPIYlmKkZ99m+nZYFWmBmwNQEgjf3yjTfI6RLaX8UVPW22cYv9pIvkZBv6GOnQbts1cFvzoP8MPfwY+xJS6i6xDpOxuNB72eeD/m2ktWsvTLvHoEfstWD3zW8zj97c=","ARC-Message-Signature":"i=1; a=rsa-sha256; d=sourceware.org; s=key;\n t=1775818347; c=relaxed/simple;\n bh=nfIWPV77b0mqSsjfKs/wl5g8xjaApttS8nAW/4AwWKU=;\n h=DKIM-Signature:Message-ID:Date:MIME-Version:Subject:To:From;\n b=cpeImEwHLlVkOGobTkg9tpUSgb06QSlxykNEsRuWV06rYUriesI0UXo1zXaZU6XQpqILMNuLGrd2nCAgs4QBLTENFdP4Egu0sy1fbVrDvIKjKnSa+i8KUSH2QNsTVIIOtpqhVZOb+4YEChblzkiZ0N4XvE/Ah4pSWTykLqI/OhM=","ARC-Authentication-Results":"i=1; server2.sourceware.org","DKIM-Signature":"v=1; a=rsa-sha256; c=simple/simple; d=arm.com; s=foss;\n t=1775818345; bh=nfIWPV77b0mqSsjfKs/wl5g8xjaApttS8nAW/4AwWKU=;\n h=Date:Subject:To:Cc:References:From:In-Reply-To:From;\n b=agsVibjSWMn24W16FEJCzwU2TpDcBNmvbL8HXWro6MFQBRqHoLLlTUW5KMjjKorpi\n YdgWgVqO29u8oye01/p8kbhZtzpFsfDhOdl75CgDsehKpaTVgMF2M+FKbgA6HYp6xK\n D4UTskUgQt6+mp/58ZPflaYKsvxxzG/Q9rbQmX/0=","Message-ID":"","Date":"Fri, 10 Apr 2026 11:52:22 +0100","MIME-Version":"1.0","User-Agent":"Mozilla Thunderbird","Subject":"Re: [PATCH] doc: document arm_mixed_fp [PR113276]","Content-Language":"en-GB","To":"=?utf-8?q?Torbj=C3=B6rn_SVENSSON?= ,\n gcc-patches@gcc.gnu.org","Cc":"christophe.lyon@arm.com","References":"<20260410095423.665863-1-torbjorn.svensson@foss.st.com>","From":"\"Richard Earnshaw (foss)\" ","In-Reply-To":"<20260410095423.665863-1-torbjorn.svensson@foss.st.com>","Content-Type":"text/plain; charset=UTF-8","Content-Transfer-Encoding":"8bit","X-BeenThere":"gcc-patches@gcc.gnu.org","X-Mailman-Version":"2.1.30","Precedence":"list","List-Id":"Gcc-patches mailing list ","List-Unsubscribe":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"gcc-patches-bounces~incoming=patchwork.ozlabs.org@gcc.gnu.org"}}]