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Diffstat (limited to 'lib/Target/PowerPC/PPCJITInfo.cpp')
-rw-r--r--lib/Target/PowerPC/PPCJITInfo.cpp2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/PPCJITInfo.cpp b/lib/Target/PowerPC/PPCJITInfo.cpp
index 18f4adf839..5e3a48d8bb 100644
--- a/lib/Target/PowerPC/PPCJITInfo.cpp
+++ b/lib/Target/PowerPC/PPCJITInfo.cpp
@@ -71,6 +71,8 @@ static void EmitBranchToAt(uint64_t At, uint64_t To, bool isCall, bool is64Bit){
extern "C" void PPC32CompilationCallback();
extern "C" void PPC64CompilationCallback();
+// The first clause of the preprocessor directive looks wrong, but it is
+// necessary when compiling this code on non-PowerPC hosts.
#if (!defined(__ppc__) && !defined(__powerpc__)) || defined(__powerpc64__) || defined(__ppc64__)
void PPC32CompilationCallback() {
llvm_unreachable("This is not a 32bit PowerPC, you can't execute this!");