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Wed, 10 Apr 2024 12:07:52 +0000 Received: from PAXP193MB1296.EURP193.PROD.OUTLOOK.COM ([fe80::9cd3:f742:8663:6ee]) by PAXP193MB1296.EURP193.PROD.OUTLOOK.COM ([fe80::9cd3:f742:8663:6ee%7]) with mapi id 15.20.7409.042; Wed, 10 Apr 2024 12:07:52 +0000 Message-ID: Date: Wed, 10 Apr 2024 14:09:41 +0200 User-Agent: Mozilla Thunderbird Content-Language: en-US To: "gdb-patches@sourceware.org" From: Bernd Edlinger Subject: [PATCH] sim: riscv: Make stack 16-byte aligned X-TMN: [JCtaI1plqlOBozRxN5xd/uVtmJ5CJ3UX+YBAYOVfiELAI7nvhXiWgo4PVSqdrpBC] X-ClientProxiedBy: PR0P264CA0061.FRAP264.PROD.OUTLOOK.COM (2603:10a6:100:1d::25) To PAXP193MB1296.EURP193.PROD.OUTLOOK.COM (2603:10a6:102:15a::24) X-Microsoft-Original-Message-ID: MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: PAXP193MB1296:EE_|AM0P193MB0580:EE_ X-MS-Office365-Filtering-Correlation-Id: 2aa2612b-5ee7-4803-07a7-08dc5956d8f6 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 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 X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?q?p2Si5GgG22TINZS/7AJa45eFOJJW?= =?utf-8?q?hzuR2E7QEvb6ZHY59EtN/aiObeR2bj32CuqlZ5lao47wZXO6xMHzkhg3pfnzjishz?= =?utf-8?q?Dq6OJtRfAVE7O9eGJ2TatN6Fz+LhgLcC3NkSIZQbCaDMfTq0YhsG7jX7me2hxWtlI?= =?utf-8?q?x69T8GA/t6D6fCMsIGHXCiUrJeOy+XnuNE9PURAjpdgvkiDWFuJV1ETk/FCUlZMQX?= =?utf-8?q?+JdGNw+mXx2VrE7G24wD3kM+AHL7luyKfKCDn8q6B/A7+ZTO71ZNreuQSERRV0NDd?= =?utf-8?q?QW55OjphBEzIlwmbcyzwPFEyyAxC6FGDZmNp4WHUi9HnaKlgHmQEdP7nmq4vwlQJG?= =?utf-8?q?dZziKDNccHjkjntrQ2Y3VwAYuGhkZ0fP7/xAnquFUfX/dUJmbvIGwBBJGLB9obeFH?= =?utf-8?q?rsmbrZm0VenLmpHuStRYoLjZTNoy0jndjLyFMOTjQrdxpmo3mkzkbt5icHr7A7gIW?= =?utf-8?q?Y5FNYxrj3qdSQEIJg3JZzW6IXJ5FOah3KiYcen7oZLR7aWMAuN8E9afdDS4zXe+qN?= =?utf-8?q?haI+zUkwoDH/wA/ZurLQVmo1i1984XIZpb7LO1W8pFtbdVqUptFLSwWYKJNNhaRtA?= =?utf-8?q?66t8uZdrYdhKUwE6vod/QtE9bvUrGipJ9Jkl0e7nNXdAutxTtgMHxrvdm1y4EFmKp?= =?utf-8?q?Ha7YIvsosGbZCNKeiLvCutMUqAH32ZwBJwmOWlaAIrfAGM+RU3yg6AqOEtnQcKw8/?= =?utf-8?q?02VkbVWQTxJqRJ1XXzMRYsGg3u1m9I32fzeNP6c40QKaxYXDQ6vbihF0XXfmJiD1T?= =?utf-8?q?AjMVVc7qWoZUzfKu2LZDMqHZUc1GgaFtBQmzpa4TcgB+pLLhhyf/XC+kjKKszo1z2?= =?utf-8?q?Ol2PBwFlH+hlyRBmk103gzc9w4U0XWCYopgAEZkmt5aZNJtMgxAhpunFG12+uacS2?= =?utf-8?q?WFFX+GVHjdP3NfbeAgAaLKwoFLzG2mMs9Mq+deuAaG0ieswYzJlIUu9KmSU9WbYzl?= =?utf-8?q?w/xTG0iXgJfcmFOSEzqkBSDCYxfPaIQw8xmXyZG+xog0M6R8XliZZg/yogEN0rUa4?= =?utf-8?q?fqIqU5SP4CzywPe3g48V+ldyheZMXJ+jfr2/jDcP7gmIfrkpcJvDeRummQBQ7huK9?= =?utf-8?q?IZOr0YzMysiuFhsTCZcFtuYXKLJs3gg9j2u1SrxKn3YQLeJdERtefamL0JtkYjFoV?= =?utf-8?q?BGtzB7olz794PXnMnrzsZxzvSoF7GX/ILoLVvMlbQx7pj7G5vozwvof7QSqjUgjeG?= =?utf-8?q?He8H/PE+sBJ41r75mgQyR4EqMr0oSvHJLqCwdggexHw6TY5dXV6wWPC+SVIxmTyuV?= =?utf-8?q?CcWu2WkcCDVPlNSe?= X-OriginatorOrg: sct-15-20-4755-11-msonline-outlook-80ceb.templateTenant X-MS-Exchange-CrossTenant-Network-Message-Id: 2aa2612b-5ee7-4803-07a7-08dc5956d8f6 X-MS-Exchange-CrossTenant-AuthSource: PAXP193MB1296.EURP193.PROD.OUTLOOK.COM X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 10 Apr 2024 12:07:52.5149 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 84df9e7f-e9f6-40af-b435-aaaaaaaaaaaa X-MS-Exchange-CrossTenant-RMS-PersistedConsumerOrg: 00000000-0000-0000-0000-000000000000 X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0P193MB0580 X-Spam-Status: No, score=-13.6 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, GIT_PATCH_0, RCVD_IN_DNSWL_NONE, RCVD_IN_MSPIKE_H2, SPF_HELO_PASS, 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 X-BeenThere: gdb-patches@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Gdb-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: gdb-patches-bounces+patchwork=sourceware.org@sourceware.org Various gcc test cases fail due to the stack alignment of 16 bytes is expected by gcc, causing issues mostly with vararg functinos; e.g. FAIL: gcc.c-torture/execute/nest-align-1.c -O0 execution test FAIL: gcc.c-torture/execute/nest-stdar-1.c -O0 execution test FAIL: gcc.c-torture/execute/va-arg-12.c -O0 execution test FAIL: gcc.c-torture/execute/va-arg-15.c -O0 execution test FAIL: gcc.c-torture/execute/va-arg-16.c -O0 execution test FAIL: gcc.c-torture/execute/va-arg-17.c -O0 execution test FAIL: gcc.c-torture/execute/va-arg-20.c -O0 execution test FAIL: gcc.c-torture/execute/va-arg-26.c -O0 execution test ... --- sim/riscv/sim-main.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/sim/riscv/sim-main.c b/sim/riscv/sim-main.c index 4e3672505c6..0876d455570 100644 --- a/sim/riscv/sim-main.c +++ b/sim/riscv/sim-main.c @@ -1586,6 +1586,8 @@ initialize_env (SIM_DESC sd, const char * const *argv, const char * const *env) sp = sp_flat - ((argc + 1 + envc + 1) * sizeof (address_word)); /* Then the argc. */ sp -= sizeof (unsigned_word); + /* Align to 16 bytes. */ + sp &= ~(address_word)15; /* Set up the regs the libgloss crt0 expects. */ riscv_cpu->a0 = argc;