From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mail-pj1-x1034.google.com (mail-pj1-x1034.google.com [IPv6:2607:f8b0:4864:20::1034]) by sourceware.org (Postfix) with ESMTPS id E20833858D1E for ; Mon, 30 Jan 2023 21:07:02 +0000 (GMT) DMARC-Filter: OpenDMARC Filter v1.4.2 sourceware.org E20833858D1E Authentication-Results: sourceware.org; dmarc=none (p=none dis=none) header.from=rivosinc.com Authentication-Results: sourceware.org; spf=pass smtp.mailfrom=rivosinc.com Received: by mail-pj1-x1034.google.com with SMTP id j5so12289076pjn.5 for ; Mon, 30 Jan 2023 13:07:02 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=rivosinc-com.20210112.gappssmtp.com; s=20210112; h=to:from:cc:content-transfer-encoding:mime-version:message-id:date :subject:from:to:cc:subject:date:message-id:reply-to; bh=wZZacYKWt+YvHQNXZVCWq8/r4V1AqJYe4F4JT4oamsE=; b=ddf3g8C5VD+rU3pCZk5if4fw4IuMkvYLlJR5OjRUtQvbCNzhHT1Hw6ZJ6zUz4Rl2xu ywrt3CS8lYcBpO5aUkn5faTKsooV7KSpTBr5xG/t69rTD4D5+v1peC8d/huZ/L8lcKS+ Gd3F0xTVgh2wQrN7Q8rkIAVVRIq9nxxycKiYwMEEtP2AUyaQLMtWAsLIzFx7W6FO1q21 Sr74xWotVRBQupTUbRFrMyzdCY8rL4IlAzEzDWTRBJ0ScQxmy+edWRiAzxRNm9upxIAd c5rl1Mk2t5Q2hplxNQIp9ndnJqiIJT5Czo0BGG8vBdFrhdV4ZIDvA0VkkSAGK+fAb/K0 fjqg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=to:from:cc:content-transfer-encoding:mime-version:message-id:date :subject:x-gm-message-state:from:to:cc:subject:date:message-id :reply-to; bh=wZZacYKWt+YvHQNXZVCWq8/r4V1AqJYe4F4JT4oamsE=; b=zn1hvkn3P2Istbw+PVYTuZzg54BHFvXGV6D8wX+7jRKdlEGJn2w1Of+mcvDkjeyoxx GzczyrgenYNyK7OuY3qao01El/El8lV/xen7YCR90v2K3iKjSgPEYpQuAmpyLfsmvMtq b373jHdrcI8QJYDfVs2dVKLv5adVYXHRPZel6///Ce/pCuB2256Bgh0dNiE9VzI062hz rBXwYrONqcQMQLxkDwjX0yk9JH1CGdWl98wxArSulEOBZA74OX3qk99ofofhOv8trjYv eGaYm6ItvDLBaRzSIv19oSqXwK7r7HYBaSiqlmEaWsdYho0hMucDrZGrz2rthdGKRoFK UWBw== X-Gm-Message-State: AO0yUKUHJyK5mRUy0gECpnYAQFPqq54OGWXD7r4D+oBzXKge5CynOMxU O/zgI6okmxbqoXa2i8V5UzeEwvpf4uORxyT7 X-Google-Smtp-Source: AK7set/+Bz3wRwbZnpYi7e54hQLph4+4Z30B6MOlEQJc4urG5vNjRtnPUXE1OEsV8oaz0F73DJ/rQw== X-Received: by 2002:a17:90a:190e:b0:22c:504a:dc76 with SMTP id 14-20020a17090a190e00b0022c504adc76mr13695375pjg.41.1675112821700; Mon, 30 Jan 2023 13:07:01 -0800 (PST) Received: from localhost ([135.180.226.51]) by smtp.gmail.com with ESMTPSA id j3-20020a17090a3e0300b002263faf8431sm9625985pjc.17.2023.01.30.13.07.01 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 30 Jan 2023 13:07:01 -0800 (PST) Subject: [PATCH 1/2] gas: RISC-V: Add a test for near->far branch conversion Date: Mon, 30 Jan 2023 13:06:41 -0800 Message-Id: <20230130210642.7579-1-palmer@rivosinc.com> X-Mailer: git-send-email 2.39.0 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Cc: Palmer Dabbelt From: Palmer Dabbelt To: binutils@sourceware.org X-Spam-Status: No, score=-11.5 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,GIT_PATCH_0,RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,TXREP autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on server2.sourceware.org List-Id: This works in GAS and has for a very long time, but I couldn't find a test case for it. It doesn't appear to be documented anywhere, but GCC depends on it and I'd bet a bunch of handwritten assembly does too so it's probably too late to drop. --- gas/testsuite/gas/riscv/far-branch.d | 13 +++++++++++++ gas/testsuite/gas/riscv/far-branch.s | 6 ++++++ 2 files changed, 19 insertions(+) create mode 100644 gas/testsuite/gas/riscv/far-branch.d create mode 100644 gas/testsuite/gas/riscv/far-branch.s diff --git a/gas/testsuite/gas/riscv/far-branch.d b/gas/testsuite/gas/riscv/far-branch.d new file mode 100644 index 00000000000..e781e3eadb5 --- /dev/null +++ b/gas/testsuite/gas/riscv/far-branch.d @@ -0,0 +1,13 @@ +#as: -march=rv32i +#objdump: -d + +.*:[ ]+file format .* + + +Disassembly of section .text: + +0+000 : +[^:]+:[ ]+00b51063[ ]+bne[ ]+a0,a1,0 +#... +[^:]+:[ ]+00b50463[ ]+beq[ ]+a0,a1,.* +[^:]+:[ ]+ff9fe06f[ ]+j[ ]+0 diff --git a/gas/testsuite/gas/riscv/far-branch.s b/gas/testsuite/gas/riscv/far-branch.s new file mode 100644 index 00000000000..2b369ffb538 --- /dev/null +++ b/gas/testsuite/gas/riscv/far-branch.s @@ -0,0 +1,6 @@ +target: + bne a0, a1, target +.rep 1024 + nop +.endr + bne a0, a1, target -- 2.39.0