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Mon, 04 Nov 2024 10:38:55 +0800 (CST) From: caiyinyu To: libc-alpha@sourceware.org Cc: mjeanson@efficios.com, xry111@xry111.site, arjun@redhat.com, caiyinyu Subject: [PATCH] nptl: fix __builtin_thread_pointer detection on LoongArch Date: Mon, 4 Nov 2024 10:32:57 +0800 Message-ID: <20241104023256.2983322-2-caiyinyu@loongson.cn> X-Mailer: git-send-email 2.45.2 MIME-Version: 1.0 X-CM-TRANSID: qMiowMCxS+C_MyhnD_A8AA--.28885S4 X-CM-SenderInfo: 5fdl5xhq1xqz5rrqw2lrqou0/ X-Coremail-Antispam: 1Uk129KBj9xXoWrZr1DZFy8Cr1UKF47XF13GFX_yoWDKrc_Wa yfJr4DWF1Skw43Jw1jyas8Aw10yFnakw1fZF98tr42grn5WFW3WF4xZw4rAr1aqr43trnx JFyqy3yfuw1qkosvyTuYvTs0mTUanT9S1TB71UUUUU7qnTZGkaVYY2UrUUUUj1kv1TuYvT s0mT0YCTnIWjqI5I8CrVACY4xI64kE6c02F40Ex7xfYxn0WfASr-VFAUDa7-sFnT9fnUUI cSsGvfJTRUUUb78YFVCjjxCrM7AC8VAFwI0_Jr0_Gr1l1xkIjI8I6I8E6xAIw20EY4v20x vaj40_Wr0E3s1l1IIY67AEw4v_Jrv_JF1l8cAvFVAK0II2c7xJM28CjxkF64kEwVA0rcxS w2x7M28EF7xvwVC0I7IYx2IY67AKxVWUJVWUCwA2z4x0Y4vE2Ix0cI8IcVCY1x0267AKxV W8JVWxJwA2z4x0Y4vEx4A2jsIE14v26r4j6F4UM28EF7xvwVC2z280aVCY1x0267AKxVW8 JVW8Jr1le2I262IYc4CY6c8Ij28IcVAaY2xG8wAqjxCEc2xF0cIa020Ex4CE44I27wAqx4 xG64xvF2IEw4CE5I8CrVC2j2WlYx0E2Ix0cI8IcVAFwI0_JrI_JrylYx0Ex4A2jsIE14v2 6r1j6r4UMcvjeVCFs4IE7xkEbVWUJVW8JwACjcxG0xvY0x0EwIxGrwCF04k20xvY0x0EwI xGrwCFx2IqxVCFs4IE7xkEbVWUJVW8JwC20s026c02F40E14v26r1j6r18MI8I3I0E7480 Y4vE14v26r106r1rMI8E67AF67kF1VAFwI0_JF0_Jw1lIxkGc2Ij64vIr41lIxAIcVC0I7 IYx2IY67AKxVWUJVWUCwCI42IY6xIIjxv20xvEc7CjxVAFwI0_Jr0_Gr1lIxAIcVCF04k2 6cxKx2IYs7xG6r1j6r1xMIIF0xvEx4A2jsIE14v26r1j6r4UMIIF0xvEx4A2jsIEc7CjxV AFwI0_Jr0_GrUvcSsGvfC2KfnxnUUI43ZEXa7IU8j-e5UUUUU== X-Spam-Status: No, score=-12.7 required=5.0 tests=BAYES_00, GIT_PATCH_0, KAM_DMARC_STATUS, 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 X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.30 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libc-alpha-bounces~patchwork=sourceware.org@sourceware.org This is the version 2, disscussed in https://sourceware.org/pipermail/libc-alpha/2024-November/161208.html v1: https://sourceware.org/pipermail/libc-alpha/2024-November/161185.html --- sysdeps/loongarch/nptl/thread_pointer.h | 8 +------- 1 file changed, 1 insertion(+), 7 deletions(-) diff --git a/sysdeps/loongarch/nptl/thread_pointer.h b/sysdeps/loongarch/nptl/thread_pointer.h index 5dec2ef4c6..96ac47ecbf 100644 --- a/sysdeps/loongarch/nptl/thread_pointer.h +++ b/sysdeps/loongarch/nptl/thread_pointer.h @@ -19,18 +19,12 @@ #ifndef _SYS_THREAD_POINTER_H #define _SYS_THREAD_POINTER_H -#include +register void *__thread_register asm ("$tp"); static inline void * __thread_pointer (void) { -#if __glibc_has_builtin (__builtin_thread_pointer) - return __builtin_thread_pointer (); -#else - void *__thread_register; - __asm__ ("move %0, $tp" : "=r" (__thread_register)); return __thread_register; -#endif } #endif /* _SYS_THREAD_POINTER_H */