Clarify the need of CFI() stuff

llvm-svn: 44819
2007-12-10 23:08:35 +00:00 · 2007-12-10 23:08:35 +00:00 · 77eb5e649d
parent a6b0f7e244
commit 77eb5e649d
1 changed files with 3 additions and 0 deletions
--- a/llvm/lib/Target/X86/X86JITInfo.cpp
+++ b/llvm/lib/Target/X86/X86JITInfo.cpp
@ -47,6 +47,9 @@ static TargetJITInfo::JITCompilerFn JITCompilerFunction;
 #define GETASMPREFIX(X) GETASMPREFIX2(X)
 #define ASMPREFIX GETASMPREFIX(__USER_LABEL_PREFIX__)

+// Provide a convenient way for disable usage of CFI directives.
+// This is needed for old/broken assemblers (for example, gas on
+// Darwin is pretty old and doesn't support these directives)
 #if defined(__APPLE__)
 # define CFI(x)
 #else