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[69.181.90.243]) by smtp.gmail.com with ESMTPSA id 11sm22688038pgz.22.2021.02.02.11.12.12 for (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 02 Feb 2021 11:12:13 -0800 (PST) Received: from gnu-cfl-2.localdomain (localhost [IPv6:::1]) by gnu-cfl-2.localdomain (Postfix) with ESMTP id CEA7C1A0108 for ; Tue, 2 Feb 2021 11:12:11 -0800 (PST) To: libc-alpha@sourceware.org Subject: [PATCH] x86_64: Update THREAD_SETMEM/THREAD_SETMEM_NC for IMM64 Date: Tue, 2 Feb 2021 11:12:09 -0800 Message-Id: <20210202191209.4036619-1-hjl.tools@gmail.com> X-Mailer: git-send-email 2.29.2 MIME-Version: 1.0 X-Spam-Status: No, score=-3038.9 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, DKIM_VALID_AU, DKIM_VALID_EF, FREEMAIL_FROM, GIT_PATCH_0, KAM_NUMSUBJECT, RCVD_IN_DNSWL_NONE, SPF_HELO_NONE, SPF_PASS, TXREP autolearn=ham autolearn_force=no version=3.4.2 X-Spam-Checker-Version: SpamAssassin 3.4.2 (2018-09-13) on server2.sourceware.org X-BeenThere: libc-alpha@sourceware.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Libc-alpha mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-Patchwork-Original-From: "H.J. Lu via Libc-alpha" From: "H.J. Lu" Reply-To: "H.J. Lu" Errors-To: libc-alpha-bounces@sourceware.org Sender: "Libc-alpha" Since there is only "movq imm32s, mem64" and no "movq imm64, mem64", use "movq reg64, mem64" to store 64-bit constant in TCB. --- sysdeps/x86_64/nptl/tls.h | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/sysdeps/x86_64/nptl/tls.h b/sysdeps/x86_64/nptl/tls.h index 20f0958780..9ec8703e45 100644 --- a/sysdeps/x86_64/nptl/tls.h +++ b/sysdeps/x86_64/nptl/tls.h @@ -269,6 +269,11 @@ _Static_assert (offsetof (tcbhead_t, __glibc_unused2) == 0x80, asm volatile ("movl %0,%%fs:%P1" : \ : IMM_MODE (value), \ "i" (offsetof (struct pthread, member))); \ + else if (__builtin_constant_p (value) \ + && (int64_t) (int32_t) (uintptr_t) value != (uintptr_t) value) \ + asm volatile ("movq %0,%%fs:%P1" : \ + : "r" (value), \ + "i" (offsetof (struct pthread, member))); \ else /* 8 */ \ { \ asm volatile ("movq %q0,%%fs:%P1" : \ @@ -294,6 +299,12 @@ _Static_assert (offsetof (tcbhead_t, __glibc_unused2) == 0x80, : IMM_MODE (value), \ "i" (offsetof (struct pthread, member[0])), \ "r" (idx)); \ + else if (__builtin_constant_p (value) \ + && (int64_t) (int32_t) (uintptr_t) value != (uintptr_t) value) \ + asm volatile ("movq %0,%%fs:%P1(,%q2,8)" : \ + : "r" (value), \ + "i" (offsetof (struct pthread, member[0])), \ + "r" (idx)); \ else /* 8 */ \ { \ asm volatile ("movq %q0,%%fs:%P1(,%q2,8)" : \