Author: Brad Smith Date: 2020-08-18T12:47:26+02:00 New Revision: c2f52e2c1288b00eae528825fb92668b1f3df732
URL: https://github.com/llvm/llvm-project/commit/c2f52e2c1288b00eae528825fb92668b1f3df732 DIFF: https://github.com/llvm/llvm-project/commit/c2f52e2c1288b00eae528825fb92668b1f3df732.diff LOG: Create strict aligned code for OpenBSD/arm64. (cherry picked from commit 44613bbec88be9e86b8c52c4f40bb1b1ab48d84c) Added: Modified: clang/lib/Driver/ToolChains/Arch/AArch64.cpp clang/test/Driver/arm-alignment.c Removed: ################################################################################ diff --git a/clang/lib/Driver/ToolChains/Arch/AArch64.cpp b/clang/lib/Driver/ToolChains/Arch/AArch64.cpp index 487c50dfc4663..dd4545d6c48fa 100644 --- a/clang/lib/Driver/ToolChains/Arch/AArch64.cpp +++ b/clang/lib/Driver/ToolChains/Arch/AArch64.cpp @@ -370,9 +370,11 @@ void aarch64::getAArch64TargetFeatures(const Driver &D, V8_6Pos = Features.insert(std::next(V8_6Pos), {"+i8mm", "+bf16"}); if (Arg *A = Args.getLastArg(options::OPT_mno_unaligned_access, - options::OPT_munaligned_access)) + options::OPT_munaligned_access)) { if (A->getOption().matches(options::OPT_mno_unaligned_access)) Features.push_back("+strict-align"); + } else if (Triple.isOSOpenBSD()) + Features.push_back("+strict-align"); if (Args.hasArg(options::OPT_ffixed_x1)) Features.push_back("+reserve-x1"); diff --git a/clang/test/Driver/arm-alignment.c b/clang/test/Driver/arm-alignment.c index e0b4946d0a4b1..b2bc8a35dfc6f 100644 --- a/clang/test/Driver/arm-alignment.c +++ b/clang/test/Driver/arm-alignment.c @@ -80,6 +80,9 @@ // RUN: %clang -target aarch64-none-gnueabi -mkernel -mno-unaligned-access -### %s 2> %t // RUN: FileCheck --check-prefix=CHECK-ALIGNED-AARCH64 < %t %s +// RUN: %clang -target aarch64-unknown-openbsd -### %s 2> %t +// RUN: FileCheck --check-prefix=CHECK-ALIGNED-AARCH64 < %t %s + // CHECK-ALIGNED-ARM: "-target-feature" "+strict-align" // CHECK-ALIGNED-AARCH64: "-target-feature" "+strict-align" _______________________________________________ llvm-branch-commits mailing list llvm-branch-commits@lists.llvm.org https://lists.llvm.org/cgi-bin/mailman/listinfo/llvm-branch-commits
