From e5cee260ce07f96a8bc8f82905bc319cc33106fe Mon Sep 17 00:00:00 2001 From: Kevin Qin Date: Tue, 6 May 2014 09:51:32 +0000 Subject: [PATCH] [ARM64] Enable alignment control option in front-end for ARM64. This patch is to get "-mno-unaligned-access" and "-munaligned-access" work in front-end for ARM64 target. llvm-svn: 208075 --- clang/lib/Driver/Tools.cpp | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) (limited to 'clang/lib/Driver/Tools.cpp') diff --git a/clang/lib/Driver/Tools.cpp b/clang/lib/Driver/Tools.cpp index 247d0d8cfa1..99d15f72b9f 100644 --- a/clang/lib/Driver/Tools.cpp +++ b/clang/lib/Driver/Tools.cpp @@ -3391,10 +3391,18 @@ void Clang::ConstructJob(Compilation &C, const JobAction &JA, options::OPT_munaligned_access)) { if (A->getOption().matches(options::OPT_mno_unaligned_access)) { CmdArgs.push_back("-backend-option"); - CmdArgs.push_back("-arm-strict-align"); + if (getToolChain().getTriple().getArch() == llvm::Triple::arm64 || + getToolChain().getTriple().getArch() == llvm::Triple::arm64_be) + CmdArgs.push_back("-arm64-strict-align"); + else + CmdArgs.push_back("-arm-strict-align"); } else { CmdArgs.push_back("-backend-option"); - CmdArgs.push_back("-arm-no-strict-align"); + if (getToolChain().getTriple().getArch() == llvm::Triple::arm64 || + getToolChain().getTriple().getArch() == llvm::Triple::arm64_be) + CmdArgs.push_back("-arm64-no-strict-align"); + else + CmdArgs.push_back("-arm-no-strict-align"); } } } -- cgit v1.2.3