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Tue, 9 Jan 2024 03:09:22 -0500 (EST) Message-ID: <4ee8067e72028b070d92e10fa33ddde3a498cb48.camel@xry111.site> Subject: Re: undefined reference to `__aarch64_cas4_sync' error on arm64 native build From: Xi Ruoyao To: Segher Boessenkool Cc: richard clark , Mark Rutland , gcc-help@gcc.gnu.org, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org Date: Tue, 09 Jan 2024 16:09:20 +0800 In-Reply-To: <20240109074843.GI19790@gate.crashing.org> References: <9aef98eed96ed32962ce90499291cb30ad5e3e14.camel@xry111.site> <20240109074843.GI19790@gate.crashing.org> Autocrypt: addr=xry111@xry111.site; prefer-encrypt=mutual; keydata=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 User-Agent: Evolution 3.50.3 MIME-Version: 1.0 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20240109_000927_005487_2D355F27 X-CRM114-Status: GOOD ( 22.76 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: base64 Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org T24gVHVlLCAyMDI0LTAxLTA5IGF0IDAxOjQ4IC0wNjAwLCBTZWdoZXIgQm9lc3Nlbmtvb2wgd3Jv dGU6Cj4gT24gVHVlLCBKYW4gMDksIDIwMjQgYXQgMTE6MDU6NTdBTSArMDgwMCwgWGkgUnVveWFv IHZpYSBHY2MtaGVscCB3cm90ZToKPiA+IEJ1dCB0aGUgTGludXgga2VybmVsIGNhbm5vdCB1c2Ug bmVpdGhlciBsaWJjLnNvIG5vciBsaWJnY2MuYS4KPiAKPiBJIGhhdmUgYnVpbHQgTGludXggdXNp bmcgbGliZ2NjIGZvciBtYW55IHllYXJzLsKgIEl0IGlzIGFzIGVhc3kgYXMKPiAKPiArTElCR0ND IDo9ICQoc2hlbGwgJChDQykgJChLQlVJTERfQ0ZMQUdTKSAtcHJpbnQtbGliZ2NjLWZpbGUtbmFt ZSkKPiArbGlicy15ICs9ICQoTElCR0NDKQo+IAo+ID4gKEkga25vdwo+ID4gc29tZSBub24tTGlu dXgga2VybmVsIGRldmVsb3BlcnMgYXJlIG92ZXJ1c2luZyBsaWJnY2MuYSBmb3Iga2VybmVscywg YnV0Cj4gPiBJTU8gdGhpcyBpcyBqdXN0IHdyb25nIGFuZCBMaW51eCBkZXZlbG9wZXJzIGFsc28g ZG8gbm90IGRvIHRoaXMuwqAgSWYgdGhlCj4gPiBMaW51eCBrZXJuZWwgbmVlZHMgYSBzeW1ib2wg ZnJvbSBsaWJnY2MgdGhlIGRldmVsb3BlcnMganVzdCBwcm92aWRlCj4gPiB0aGVpciBvd24gaW1w bGVtZW50YXRpb24uKQo+IAo+IFllcywgYW5kIG9mdGVuIHRoZXkgaGF2ZSBmYWxsZW4gYmVoaW5k LsKgIFdoZW4gdGhleSBldmVudHVhbGx5IGNhdGNoIHVwCj4gdGhleSB1c3VhbGx5IGp1c3QgY29w eSB0aGUgR0NDIGNvZGUgYW55d2F5Lgo+IAo+IE9yaWdpbmFsbHkgdGhlIG9ubHkgcmVhc29uYWJs ZSBhcmd1bWVudCBmb3Igbm90IGxpbmtpbmcgYWdhaW5zdCBsaWJnY2MKPiB3YXMgc28ga2VybmVs IGNvZGUgd291bGQgbm90IGFjY2lkZW50YWxseSB1c2UgZG91YmxlLWxlbmd0aCBkaXZpc2lvbnMu Cj4gVGhlcmUgYXJlIG90aGVyIHNpbXBsZSB3YXlzIHRvIGhhdmUgYWxsIHVzZXMgb2YgX19kaXZ0 aTMgYW5kIHNpbWlsYXIKPiBjcmVhdGUgbGluayBlcnJvcnMsIHNvIHRoYXQgaXMgbm90IHJlYWxs eSBhIGdvb2QgYXJndW1lbnQuCj4gCj4gbGliZ2NjIGlzIGFuIGVzc2VudGlhbCBwYXJ0IG9mIHRo ZSBjb21waWxlci7CoCBGb3IgbW9zdCB0YXJnZXRzLCBmb3IgbW9zdAo+IGNvZGUsIEdDQyB3aWxs IG5vdCBnZW5lcmF0ZSBmdW5jdGlvbiBjYWxscywgdGhlcmUgdXN1YWxseSBhcmUgZmFzdGVyIChv cgo+IHNtYWxsZXIpIHRoaW5ncyBpdCBjYW4gZG8sIGJ1dCBpdCBzdGlsbCBpcyBuZWNlc3Nhcnkg dG8gaGF2ZSBsaWJnY2MgZm9yCj4gbW9yZSB1bmNvbW1vbiB0aGluZ3MuwqAgVXNpbmcgYSBwYXJ0 aWFsIGNvcHkgb2YgaXQsIGJlaGluZCB0aGUgdGltZXMsCj4gYW5kIG1heWJlIGV2ZW4gaW5jb21w YXRpYmxlLCBpcyBub3QgYSBncmVhdCBpZGVhLgoKQnV0IGZvciBtYW55IHRhcmdldHMgdGhlIGtl cm5lbCB1c2VzIHRoZSBzb2Z0LWZsb2F0IEFCSSB3aGlsZSB0aGUgdXNlcgpzcGFjZSB1c2VzIHRo ZSBoYXJkLWZsb2F0IEFCSSBhbmQgdGhlIGxpbmtlciBnZW5lcmFsbHkgcmVmdXNlcyB0byBsaW5r CnRoZW0gYWx0b2dldGhlci4gIFlvdSBtYXkgYXJndWUgdGhhdCAiaGV5LCBidWlsZCBhbGwgbXVs dGlsaWJzIiBidXQgSSdkCnNheSBpdCdzIHN0dXBpZCBhbmQgaXQgZG9lcyBub3Qgc29sdmUgYWxs IGlzc3VlczoKCklmIEdDQyBpcyBjb25maWd1cmVkIHdpdGggdGhpbmdzIGxpa2UgLS13aXRoLWFy Y2g9c29tZXRoaW5nLCBsaWJnY2MgY2FuCmNvbnRhaW4gKEZQL3ZlY3RvcikgaW5zdHJ1Y3Rpb25z IHVuc2FmZSB0byB1c2UgaW4ga2VybmVsIHcvbyBzcGVjaWFsCmhhbmRsaW5nLiAgQ3VycmVudGx5 IHRoaXMgaXNzdWUgaXMgbWFraW5nIHRoZSBwcm9jZXNzIHZlcnkgbmFzdHkgdG8KYnVpbGQgc3lz dGVtZC1ib290IG9uIExvb25nQXJjaCBkZXNrdG9wIGRpc3Ryb3Mgd2hlcmUgdGhlIHRvb2xjaGFp bgpjb25maWd1cmVkIHdpdGggdmVjdG9yIGV4dGVuc2lvbnMgZW5hYmxlZCBieSBkZWZhdWx0LgoK SWYgbGliZ2NjIGlzIHNvIHZpdGFsIEdDQyBuZWVkcyB0byBwcm92aWRlIGEgd2F5IHRvIG1ha2Ug aXQgd29yayBmb3IgYQpzZXQgb2YgY29tcGlsZXIgc3dpdGNoZXMgaW5jb21wYXRpYmxlIHdpdGgg YW55IHByZS1idWlsdCBtdWx0aWxpYi4gIEZvcgpleGFtcGxlLCBpbnN0YWxsaW5nIHRoZSBzb3Vy Y2Ugb2YgbGliZ2NjIGludG8gL3Vzci9saWIvZ2NjIGFuZCBwcm92aWRlIGEKdG9vbCB0byBidWls ZCBhIGxpYmdjYy5hIHdpdGggdGhlIHNwZWNpZmllZCBvcHRpb25zLgoKLS0gClhpIFJ1b3lhbyA8 eHJ5MTExQHhyeTExMS5zaXRlPgpTY2hvb2wgb2YgQWVyb3NwYWNlIFNjaWVuY2UgYW5kIFRlY2hu b2xvZ3ksIFhpZGlhbiBVbml2ZXJzaXR5CgpfX19fX19fX19fX19fX19fX19fX19fX19fX19fX19f X19fX19fX19fX19fX19fXwpsaW51eC1hcm0ta2VybmVsIG1haWxpbmcgbGlzdApsaW51eC1hcm0t a2VybmVsQGxpc3RzLmluZnJhZGVhZC5vcmcKaHR0cDovL2xpc3RzLmluZnJhZGVhZC5vcmcvbWFp bG1hbi9saXN0aW5mby9saW51eC1hcm0ta2VybmVsCg==