From 6bd02a442c0e4cadd84cf7ac37df533e4160e765 Mon Sep 17 00:00:00 2001 From: Fangrui Song Date: Mon, 15 Jul 2019 07:25:11 +0000 Subject: [PowerPC] Support -mabi=ieeelongdouble and -mabi=ibmlongdouble gcc PowerPC supports 3 representations of long double: * -mlong-double-64 long double has the same representation of double but is mangled as `e`. In clang, this is the default on AIX, FreeBSD and Linux musl. * -mlong-double-128 2 possible 128-bit floating point representations: + -mabi=ibmlongdouble IBM extended double format. Mangled as `g` In clang, this is the default on Linux glibc. + -mabi=ieeelongdouble IEEE 754 quadruple-precision format. Mangled as `u9__ieee128` (`U10__float128` before gcc 8.2) This is currently unavailable. This patch adds -mabi=ibmlongdouble and -mabi=ieeelongdouble, and thus makes the IEEE 754 quadruple-precision long double available for languages supported by clang. Reviewed By: hfinkel Differential Revision: https://reviews.llvm.org/D64283 llvm-svn: 366044 --- 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 7a07d99..8a98440 100644 --- a/clang/lib/Frontend/CompilerInvocation.cpp +++ b/clang/lib/Frontend/CompilerInvocation.cpp @@ -2745,6 +2745,7 @@ static void ParseLangArgs(LangOptions &Opts, ArgList &Args, InputKind IK, Opts.LongDoubleSize = Args.hasArg(OPT_mlong_double_128) ? 128 : Args.hasArg(OPT_mlong_double_64) ? 64 : 0; + Opts.PPCIEEELongDouble = Args.hasArg(OPT_mabi_EQ_ieeelongdouble); Opts.PICLevel = getLastArgIntValue(Args, OPT_pic_level, 0, Diags); Opts.ROPI = Args.hasArg(OPT_fropi); Opts.RWPI = Args.hasArg(OPT_frwpi); -- cgit v1.1