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Mon, 25 Mar 2024 10:58:50 +0000 From: Victor Do Nascimento To: CC: , , , Victor Do Nascimento Subject: [PATCH] aarch64: Align lrcpc3 FEAT_STRING with /proc/cpuinfo 'Features' entry Date: Mon, 25 Mar 2024 10:58:36 +0000 Message-ID: <20240325105836.425978-1-victor.donascimento@arm.com> X-Mailer: git-send-email 2.34.1 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain X-EOPAttributedMessage: 1 X-MS-TrafficTypeDiagnostic: AMS0EPF000001AA:EE_|GV1PR08MB10371:EE_|DU6PEPF0000A7DF:EE_|DB4PR08MB7934:EE_ X-MS-Office365-Filtering-Correlation-Id: 9ea36549-262f-448d-e690-08dc4cba9837 x-checkrecipientrouted: true NoDisclaimer: true X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam-Untrusted: BCL:0; X-Microsoft-Antispam-Message-Info-Original: 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 X-Forefront-Antispam-Report-Untrusted: CIP:40.67.248.234;CTRY:IE;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:nebula.arm.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230031)(1800799015)(376005)(82310400014)(36860700004);DIR:OUT;SFP:1101; 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X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Mar 2024 10:59:08.1196 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 9ea36549-262f-448d-e690-08dc4cba9837 X-MS-Exchange-CrossTenant-Id: f34e5979-57d9-4aaa-ad4d-b122a662184d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=f34e5979-57d9-4aaa-ad4d-b122a662184d;Ip=[63.35.35.123];Helo=[64aa7808-outbound-1.mta.getcheckrecipient.com] X-MS-Exchange-CrossTenant-AuthSource: DU6PEPF0000A7DF.eurprd02.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: DB4PR08MB7934 X-Spam-Status: No, score=-12.3 required=5.0 tests=BAYES_00,DKIM_SIGNED,DKIM_VALID,FORGED_SPF_HELO,GIT_PATCH_0,KAM_DMARC_NONE,KAM_SHORT,RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE,TXREP,UNPARSEABLE_RELAY 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: Due to the Linux kernel exposing the lrcpc3 architectural feature as "lrcpc3", this patch corrects the relevant FEATURE_STRING entry in the "rcpc3" AARCH64_OPT_FMV_EXTENSION macro, such that the feature can be correctly detected when doing native compilation on rcpc3-enabled targets. Regtested on aarch64-linux-gnu. gcc/ChangeLog: * config/aarch64/aarch64-option-extensions.def: Fix 'lrcpc3' entry. gcc/testsuite/ChangeLog: * testsuite/gcc.target/aarch64/cpunative/info_24: New. * testsuite/gcc.target/aarch64/cpunative/native_cpu_24.c: Likewise. --- gcc/config/aarch64/aarch64-option-extensions.def | 2 +- gcc/testsuite/gcc.target/aarch64/cpunative/info_24 | 8 ++++++++ .../gcc.target/aarch64/cpunative/native_cpu_24.c | 11 +++++++++++ 3 files changed, 20 insertions(+), 1 deletion(-) create mode 100644 gcc/testsuite/gcc.target/aarch64/cpunative/info_24 create mode 100644 gcc/testsuite/gcc.target/aarch64/cpunative/native_cpu_24.c diff --git a/gcc/config/aarch64/aarch64-option-extensions.def b/gcc/config/aarch64/aarch64-option-extensions.def index 1a3b91c68cf..975e7b84cec 100644 --- a/gcc/config/aarch64/aarch64-option-extensions.def +++ b/gcc/config/aarch64/aarch64-option-extensions.def @@ -174,7 +174,7 @@ AARCH64_OPT_FMV_EXTENSION("rcpc", RCPC, (), (), (), "lrcpc") AARCH64_FMV_FEATURE("rcpc2", RCPC2, (RCPC)) -AARCH64_OPT_FMV_EXTENSION("rcpc3", RCPC3, (), (), (), "rcpc3") +AARCH64_OPT_FMV_EXTENSION("rcpc3", RCPC3, (), (), (), "lrcpc3") AARCH64_FMV_FEATURE("frintts", FRINTTS, ()) diff --git a/gcc/testsuite/gcc.target/aarch64/cpunative/info_24 b/gcc/testsuite/gcc.target/aarch64/cpunative/info_24 new file mode 100644 index 00000000000..8d3c16a1091 --- /dev/null +++ b/gcc/testsuite/gcc.target/aarch64/cpunative/info_24 @@ -0,0 +1,8 @@ +processor : 0 +BogoMIPS : 100.00 +Features : fp asimd evtstrm aes pmull sha1 sha2 crc32 asimddp lrcpc3 +CPU implementer : 0xfe +CPU architecture: 8 +CPU variant : 0x0 +CPU part : 0xd08 +CPU revision : 2 \ No newline at end of file diff --git a/gcc/testsuite/gcc.target/aarch64/cpunative/native_cpu_24.c b/gcc/testsuite/gcc.target/aarch64/cpunative/native_cpu_24.c new file mode 100644 index 00000000000..05dc870885f --- /dev/null +++ b/gcc/testsuite/gcc.target/aarch64/cpunative/native_cpu_24.c @@ -0,0 +1,11 @@ +/* { dg-do compile { target { { aarch64*-*-linux*} && native } } } */ +/* { dg-set-compiler-env-var GCC_CPUINFO "$srcdir/gcc.target/aarch64/cpunative/info_23" } */ +/* { dg-additional-options "-mcpu=native --save-temps " } */ + +int main() +{ + return 0; +} + +/* { dg-final { scan-assembler {\.arch armv8-a\+dotprod\+crc\+crypto\+rcpc3} } } */ +/* Test one where rcpc3 is available and so should be emitted. */ -- 2.34.1