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-rw-r--r--clang/lib/Frontend/CompilerInvocation.cpp5
1 files changed, 5 insertions, 0 deletions
diff --git a/clang/lib/Frontend/CompilerInvocation.cpp b/clang/lib/Frontend/CompilerInvocation.cpp
index 6fc73738223..3108477e3a7 100644
--- a/clang/lib/Frontend/CompilerInvocation.cpp
+++ b/clang/lib/Frontend/CompilerInvocation.cpp
@@ -202,6 +202,10 @@ static void CodeGenOptsToArgs(const CodeGenOptions &Opts,
Res.push_back("-fobjc-dispatch-method=non-legacy");
break;
}
+ if (Opts.NumRegisterParameters) {
+ Res.push_back("-mregparm");
+ Res.push_back(llvm::utostr(Opts.NumRegisterParameters));
+ }
if (Opts.RelaxAll)
Res.push_back("-mrelax-all");
if (Opts.SoftFloat)
@@ -928,6 +932,7 @@ static void ParseCodeGenArgs(CodeGenOptions &Opts, ArgList &Args, InputKind IK,
Opts.NoInfsFPMath = Opts.NoNaNsFPMath = Args.hasArg(OPT_cl_finite_math_only)||
Args.hasArg(OPT_cl_fast_relaxed_math);
Opts.NoZeroInitializedInBSS = Args.hasArg(OPT_mno_zero_initialized_in_bss);
+ Opts.NumRegisterParameters = Args.getLastArgIntValue(OPT_mregparm, 0, Diags);
Opts.RelaxAll = Args.hasArg(OPT_mrelax_all);
Opts.OmitLeafFramePointer = Args.hasArg(OPT_momit_leaf_frame_pointer);
Opts.SoftFloat = Args.hasArg(OPT_msoft_float);
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