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SFS:(4636009)(396003)(376002)(346002)(39860400002)(136003)(46966005)(356005)(107886003)(82310400002)(81166007)(478600001)(8936002)(26005)(36756003)(336012)(2906002)(5660300002)(4326008)(8676002)(235185007)(6916009)(186003)(16526019)(44832011)(2616005)(956004)(70206006)(66616009)(6496006)(6486002)(82740400003)(70586007)(33964004)(36906005)(54906003)(316002)(47076004)(86362001); DIR:OUT; SFP:1101; X-OriginatorOrg: arm.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 04 Aug 2020 14:27:16.2320 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 3c204c97-7c21-4af6-e05a-08d838827cc9 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: VE1EUR03FT033.eop-EUR03.prod.protection.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM6PR08MB3352 X-Spam-Status: No, score=-15.2 required=5.0 tests=BAYES_00, DKIM_SIGNED, DKIM_VALID, GIT_PATCH_0, MSGID_FROM_MTA_HEADER, RCVD_IN_DNSWL_LOW, RCVD_IN_MSPIKE_H2, SPF_HELO_PASS, SPF_PASS, TXREP, UNPARSEABLE_RELAY 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: gcc-patches@gcc.gnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: Gcc-patches mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Richard Earnshaw Errors-To: gcc-patches-bounces@gcc.gnu.org Sender: "Gcc-patches" Hi all, I'd like to submit the following patch to fix PR96375 ([11 regression] arm/lob[2-5].c fail on some configurations). It fix the observed regression making sure -mthumb is always used and allowing Low Overhead Loop tests to be executed only on cortex-M profile targets. Does not introduce regressions in my testing and fix the reported one according to Christophe (in Cc). Okay for trunk? Thanks Andrea 2020-07-31 Andrea Corallo * gcc.target/arm/lob1.c: Fix missing flag. * gcc.target/arm/lob2.c: Likewise. * gcc.target/arm/lob3.c: Likewise. * gcc.target/arm/lob4.c: Likewise. * gcc.target/arm/lob5.c: Likewise. * gcc.target/arm/lob6.c: Likewise. * lib/target-supports.exp (check_effective_target_arm_v8_1_lob_ok): Return 1 only for cortex-m targets, add '-mthumb' flag. From c4e7c1193a736c1e25dd0646c00310bc8dc833df Mon Sep 17 00:00:00 2001 From: Andrea Corallo Date: Fri, 31 Jul 2020 14:52:24 +0100 Subject: [PATCH] arm: Fix testcase selection for Low Overhead Loop tests [PR96375] gcc/testsuite/ChangeLog 2020-07-31 Andrea Corallo * gcc.target/arm/lob1.c: Fix missing flag. * gcc.target/arm/lob2.c: Likewise. * gcc.target/arm/lob3.c: Likewise. * gcc.target/arm/lob4.c: Likewise. * gcc.target/arm/lob5.c: Likewise. * gcc.target/arm/lob6.c: Likewise. * lib/target-supports.exp (check_effective_target_arm_v8_1_lob_ok): Return 1 only for cortex-m targets, add '-mthumb' flag. --- gcc/testsuite/gcc.target/arm/lob1.c | 2 +- gcc/testsuite/gcc.target/arm/lob2.c | 2 +- gcc/testsuite/gcc.target/arm/lob3.c | 2 +- gcc/testsuite/gcc.target/arm/lob4.c | 2 +- gcc/testsuite/gcc.target/arm/lob5.c | 2 +- gcc/testsuite/gcc.target/arm/lob6.c | 2 +- gcc/testsuite/lib/target-supports.exp | 4 ++-- 7 files changed, 8 insertions(+), 8 deletions(-) diff --git a/gcc/testsuite/gcc.target/arm/lob1.c b/gcc/testsuite/gcc.target/arm/lob1.c index b92dc551d50..ba5c82cd55c 100644 --- a/gcc/testsuite/gcc.target/arm/lob1.c +++ b/gcc/testsuite/gcc.target/arm/lob1.c @@ -3,7 +3,7 @@ /* { dg-do run } */ /* { dg-require-effective-target arm_v8_1_lob_ok } */ /* { dg-skip-if "avoid conflicting multilib options" { *-*-* } { "-marm" "-mcpu=*" } } */ -/* { dg-options "-march=armv8.1-m.main -O3 --save-temps" } */ +/* { dg-options "-march=armv8.1-m.main -mthumb -O3 --save-temps" } */ #include #include "lob.h" diff --git a/gcc/testsuite/gcc.target/arm/lob2.c b/gcc/testsuite/gcc.target/arm/lob2.c index 1fe9a9d82bb..fdeb2686f51 100644 --- a/gcc/testsuite/gcc.target/arm/lob2.c +++ b/gcc/testsuite/gcc.target/arm/lob2.c @@ -2,7 +2,7 @@ if a non-inlineable function call takes place inside the loop. */ /* { dg-do compile } */ /* { dg-skip-if "avoid conflicting multilib options" { *-*-* } { "-marm" "-mcpu=*" } } */ -/* { dg-options "-march=armv8.1-m.main -O3 --save-temps" } */ +/* { dg-options "-march=armv8.1-m.main -mthumb -O3 --save-temps" } */ #include #include "lob.h" diff --git a/gcc/testsuite/gcc.target/arm/lob3.c b/gcc/testsuite/gcc.target/arm/lob3.c index 17cba007ccb..70314ea84b3 100644 --- a/gcc/testsuite/gcc.target/arm/lob3.c +++ b/gcc/testsuite/gcc.target/arm/lob3.c @@ -2,7 +2,7 @@ if causes VFP emulation library calls to happen inside the loop. */ /* { dg-do compile } */ /* { dg-skip-if "avoid conflicting multilib options" { *-*-* } { "-marm" "-mcpu=*" } } */ -/* { dg-options "-march=armv8.1-m.main -O3 --save-temps -mfloat-abi=soft" } */ +/* { dg-options "-march=armv8.1-m.main -mthumb -O3 --save-temps -mfloat-abi=soft" } */ /* { dg-require-effective-target arm_softfloat } */ #include #include "lob.h" diff --git a/gcc/testsuite/gcc.target/arm/lob4.c b/gcc/testsuite/gcc.target/arm/lob4.c index 444a2c7b4bf..792f352d682 100644 --- a/gcc/testsuite/gcc.target/arm/lob4.c +++ b/gcc/testsuite/gcc.target/arm/lob4.c @@ -2,7 +2,7 @@ if LR is modified within the loop. */ /* { dg-do compile } */ /* { dg-skip-if "avoid conflicting multilib options" { *-*-* } { "-marm" "-mcpu=*" } } */ -/* { dg-options "-march=armv8.1-m.main -O3 --save-temps -mfloat-abi=soft" } */ +/* { dg-options "-march=armv8.1-m.main -mthumb -O3 --save-temps -mfloat-abi=soft" } */ /* { dg-require-effective-target arm_softfloat } */ #include #include "lob.h" diff --git a/gcc/testsuite/gcc.target/arm/lob5.c b/gcc/testsuite/gcc.target/arm/lob5.c index c4f46e41532..1a6adf1e28e 100644 --- a/gcc/testsuite/gcc.target/arm/lob5.c +++ b/gcc/testsuite/gcc.target/arm/lob5.c @@ -3,7 +3,7 @@ therefore is not optimizable. Outer loops are not optimized. */ /* { dg-do compile } */ /* { dg-skip-if "avoid conflicting multilib options" { *-*-* } { "-marm" "-mcpu=*" } } */ -/* { dg-options "-march=armv8.1-m.main -O3 --save-temps" } */ +/* { dg-options "-march=armv8.1-m.main -mthumb -O3 --save-temps" } */ #include #include "lob.h" diff --git a/gcc/testsuite/gcc.target/arm/lob6.c b/gcc/testsuite/gcc.target/arm/lob6.c index 56126769460..17b6124295e 100644 --- a/gcc/testsuite/gcc.target/arm/lob6.c +++ b/gcc/testsuite/gcc.target/arm/lob6.c @@ -3,7 +3,7 @@ /* { dg-do run } */ /* { dg-require-effective-target arm_v8_1_lob_ok } */ /* { dg-skip-if "avoid conflicting multilib options" { *-*-* } { "-marm" "-mcpu=*" } } */ -/* { dg-options "-march=armv8.1-m.main -O3 --save-temps" } */ +/* { dg-options "-march=armv8.1-m.main -mthumb -O3 --save-temps" } */ #include #include "lob.h" diff --git a/gcc/testsuite/lib/target-supports.exp b/gcc/testsuite/lib/target-supports.exp index 57eed3012b9..99ef55cbbe2 100644 --- a/gcc/testsuite/lib/target-supports.exp +++ b/gcc/testsuite/lib/target-supports.exp @@ -10283,7 +10283,7 @@ proc check_effective_target_arm_v8_3a_bkey_directive { } { # Overhead Loop, 0 otherwise. The test is valid for ARM. proc check_effective_target_arm_v8_1_lob_ok { } { - if { ![istarget arm*-*-*] } { + if { ![check_effective_target_arm_cortex_m] } { return 0; } else { return [check_runtime arm_v8_1_lob_hw_available { @@ -10297,7 +10297,7 @@ proc check_effective_target_arm_v8_1_lob_ok { } { asm goto ("le lr, %l0" : : : "lr" : loop); return i != 10; } - } "-march=armv8.1-m.main" ] + } "-march=armv8.1-m.main -mthumb" ] } }