[Mips] Support -mnan=2008 option. Define "__mips_nan2008" macros and pass
this option to the assembler.
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@191282 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/Tools.cpp b/lib/Driver/Tools.cpp
index 76d0f20..23f3648 100644
--- a/lib/Driver/Tools.cpp
+++ b/lib/Driver/Tools.cpp
@@ -948,6 +948,11 @@
Features.push_back("+soft-float");
}
+ if (Arg *A = Args.getLastArg(options::OPT_mnan_EQ)) {
+ if (StringRef(A->getValue()) == "2008")
+ Features.push_back("+nan2008");
+ }
+
AddTargetFeature(Args, Features, options::OPT_msingle_float,
options::OPT_mdouble_float, "single-float");
AddTargetFeature(Args, Features, options::OPT_mips16, options::OPT_mno_mips16,
@@ -5942,6 +5947,11 @@
else
CmdArgs.push_back("-EL");
+ if (Arg *A = Args.getLastArg(options::OPT_mnan_EQ)) {
+ if (StringRef(A->getValue()) == "2008")
+ CmdArgs.push_back(Args.MakeArgString("-mnan=2008"));
+ }
+
Args.AddLastArg(CmdArgs, options::OPT_mips16, options::OPT_mno_mips16);
Args.AddLastArg(CmdArgs, options::OPT_mmicromips,
options::OPT_mno_micromips);