Fix for PR1095:

LLVM would miscompile ASM dialects when compiling for PPC. Added dialects for
the X86 and PPC backends. It defaults to "0", the first variant of a compound
inline asm expression.

llvm-svn: 33246

1 files changed, 8 insertions, 0 deletions

diff --git a/llvm/lib/Target/PowerPC/PPCTargetAsmInfo.cpp b/llvm/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
index 6045cfa161d..7912f705738 100644
--- a/llvm/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
+++ b/llvm/lib/Target/PowerPC/PPCTargetAsmInfo.cpp
@@ -16,6 +16,12 @@
 #include "llvm/Function.h"
 using namespace llvm;
 
+// ASM variant to use.
+enum {
+  PPC_OLD_MNEMONICS = 0,
+  PPC_NEW_MNEMONICS = 1
+};
+
 PPCTargetAsmInfo::PPCTargetAsmInfo(const PPCTargetMachine &TM) {
   bool isPPC64 = TM.getSubtargetImpl()->isPPC64();
   
@@ -26,6 +32,7 @@ PPCTargetAsmInfo::PPCTargetAsmInfo(const PPCTargetMachine &TM) {
   LCOMMDirective = "\t.lcomm\t";
   InlineAsmStart = "# InlineAsm Start";
   InlineAsmEnd = "# InlineAsm End";
+  AssemblerDialect = PPC_OLD_MNEMONICS;
   
   NeedsSet = true;
   AddressSize = isPPC64 ? 8 : 4;
@@ -56,6 +63,7 @@ DarwinTargetAsmInfo::DarwinTargetAsmInfo(const PPCTargetMachine &TM)
   UsedDirective = "\t.no_dead_strip\t";
   WeakRefDirective = "\t.weak_reference\t";
   HiddenDirective = "\t.private_extern\t";
+  AssemblerDialect = PPC_NEW_MNEMONICS;
 }
 
 LinuxTargetAsmInfo::LinuxTargetAsmInfo(const PPCTargetMachine &TM)