Author: pabbar01 Date: Mon Dec 3 06:40:37 2018 New Revision: 348142 URL: http://llvm.org/viewvc/llvm-project?rev=348142&view=rev Log: [AArch64] Add command-line option for SSBS
Summary: SSBS (Speculative Store Bypass Safe) is only mandatory from 8.5 onwards but is optional from Armv8.0-A. This patch adds testing for the ssbs command line option, added to allow enabling the feature in previous Armv8-A architectures to 8.5. Reviewers: olista01, samparker, aemerson Reviewed By: samparker Subscribers: javed.absar, kristof.beyls, cfe-commits Differential Revision: https://reviews.llvm.org/D54961 Added: cfe/trunk/test/Driver/aarch64-ssbs.c Added: cfe/trunk/test/Driver/aarch64-ssbs.c URL: http://llvm.org/viewvc/llvm-project/cfe/trunk/test/Driver/aarch64-ssbs.c?rev=348142&view=auto ============================================================================== --- cfe/trunk/test/Driver/aarch64-ssbs.c (added) +++ cfe/trunk/test/Driver/aarch64-ssbs.c Mon Dec 3 06:40:37 2018 @@ -0,0 +1,9 @@ +// RUN: %clang -### -target aarch64-none-none-eabi -march=armv8a+ssbs %s 2>&1 | FileCheck %s +// CHECK: "-target-feature" "+ssbs" + +// RUN: %clang -### -target aarch64-none-none-eabi -march=armv8a+nossbs %s 2>&1 | FileCheck %s --check-prefix=NOSSBS +// NOSSBS: "-target-feature" "-ssbs" + +// RUN: %clang -### -target aarch64-none-none-eabi %s 2>&1 | FileCheck %s --check-prefix=ABSENTSSBS +// ABSENTSSBS-NOT: "-target-feature" "+ssbs" +// ABSENTSSBS-NOT: "-target-feature" "-ssbs" _______________________________________________ cfe-commits mailing list cfe-commits@lists.llvm.org http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits
