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| author | Pablo Barrio <pablo.barrio@arm.com> | 2018-12-03 14:40:37 +0000 |
|---|---|---|
| committer | Pablo Barrio <pablo.barrio@arm.com> | 2018-12-03 14:40:37 +0000 |
| commit | 1a6d6f053d80dcc7d772663fc8c4b36d8f3f0ef4 (patch) | |
| tree | 47642d4960adfcb00c45e9cb360eec956156ab27 | |
| parent | 8ae0f88b139c77068573abce0a619757952f9f52 (diff) | |
| download | bcm5719-llvm-1a6d6f053d80dcc7d772663fc8c4b36d8f3f0ef4.tar.gz bcm5719-llvm-1a6d6f053d80dcc7d772663fc8c4b36d8f3f0ef4.zip | |
[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
llvm-svn: 348142
| -rw-r--r-- | clang/test/Driver/aarch64-ssbs.c | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/clang/test/Driver/aarch64-ssbs.c b/clang/test/Driver/aarch64-ssbs.c new file mode 100644 index 00000000000..86c93ae9264 --- /dev/null +++ b/clang/test/Driver/aarch64-ssbs.c @@ -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" |
