From f5b9110ce1e0d5bc6f96b1e74d110f0cc576324a Mon Sep 17 00:00:00 2001 From: Bill Schmidt Date: Sun, 28 Jul 2013 03:23:32 +0000 Subject: [PATCH] [PowerPC] Add comment explaining preprocessor directive. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@187320 91177308-0d34-0410-b5e6-96231b3b80d8 --- lib/Target/PowerPC/PPCJITInfo.cpp | 2 ++ 1 file changed, 2 insertions(+) diff --git a/lib/Target/PowerPC/PPCJITInfo.cpp b/lib/Target/PowerPC/PPCJITInfo.cpp index 18f4adf839e..5e3a48d8bbd 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!");