diff options
Diffstat (limited to 'lib/CodeGen')
| -rw-r--r-- | lib/CodeGen/AsmPrinter/AsmPrinter.cpp | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp index 1b58f1ab00..c1b45c3917 100644 --- a/lib/CodeGen/AsmPrinter/AsmPrinter.cpp +++ b/lib/CodeGen/AsmPrinter/AsmPrinter.cpp @@ -511,14 +511,16 @@ void AsmPrinter::EmitJumpTableInfo(MachineFunction &MF) { // If this jump table was deleted, ignore it. if (JTBBs.empty()) continue; - // For PIC codegen, if possible we want to use the SetDirective to reduce - // the number of relocations the assembler will generate for the jump table. - // Set directives are all printed before the jump table itself. - SmallPtrSet<MachineBasicBlock*, 16> EmittedSets; - if (MAI->getSetDirective() && IsPic) + // For the EK_LabelDifference32 entry, if the target supports .set, emit a + // .set directive for each unique entry. This reduces the number of + // relocations the assembler will generate for the jump table. + if (MJTI->getEntryKind() == MachineJumpTableInfo::EK_LabelDifference32 && + MAI->getSetDirective()) { + SmallPtrSet<MachineBasicBlock*, 16> EmittedSets; for (unsigned ii = 0, ee = JTBBs.size(); ii != ee; ++ii) if (EmittedSets.insert(JTBBs[ii])) printPICJumpTableSetLabel(i, JTBBs[ii]); + } // On some targets (e.g. Darwin) we want to emit two consequtive labels // before each jump table. The first label is never referenced, but tells |