From 11cb39c5fc52e59c155be9b8fedbd114a596891b Mon Sep 17 00:00:00 2001 From: Fangrui Song Date: Tue, 9 Jul 2019 00:27:43 +0000 Subject: [X86][PPC] Support -mlong-double-64 -mlong-double-64 is supported on some ports of gcc (i386, x86_64, and ppc{32,64}). On many other targets, there will be an error: error: unrecognized command line option '-mlong-double-64' This patch makes the driver option -mlong-double-64 available for x86 and ppc. The CC1 option -mlong-double-64 is available on all targets for users to test on unsupported targets. LongDoubleSize is added as a VALUE_LANGOPT so that the option can be shared with -mlong-double-128 when we support it in clang. Also, make powerpc*-linux-musl default to use 64-bit long double. It is currently the only supported ABI on musl and is also how people configure powerpc*-linux-musl-gcc. Reviewed By: rnk Differential Revision: https://reviews.llvm.org/D64067 llvm-svn: 365412 --- clang/lib/Frontend/CompilerInvocation.cpp | 1 + 1 file changed, 1 insertion(+) (limited to 'clang/lib/Frontend/CompilerInvocation.cpp') diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp index e5ea409..0d9e29d 100644 --- a/clang/lib/Frontend/CompilerInvocation.cpp +++ b/clang/lib/Frontend/CompilerInvocation.cpp @@ -2742,6 +2742,7 @@ static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, Opts.PackStruct = getLastArgIntValue(Args, OPT_fpack_struct_EQ, 0, Diags); Opts.MaxTypeAlign = getLastArgIntValue(Args, OPT_fmax_type_align_EQ, 0, Diags); Opts.AlignDouble = Args.hasArg(OPT_malign_double); + Opts.LongDoubleSize = Args.hasArg(OPT_mlong_double_64) ? 64 : 0; Opts.PICLevel = getLastArgIntValue(Args, OPT_pic_level, 0, Diags); Opts.ROPI = Args.hasArg(OPT_fropi); Opts.RWPI = Args.hasArg(OPT_frwpi); -- cgit v1.1