diff options
| -rw-r--r-- | lib/Target/PowerPC/PPCTargetAsmInfo.cpp | 7 | ||||
| -rw-r--r-- | lib/Target/X86/X86TargetAsmInfo.cpp | 7 |
2 files changed, 14 insertions, 0 deletions
diff --git a/lib/Target/PowerPC/PPCTargetAsmInfo.cpp b/lib/Target/PowerPC/PPCTargetAsmInfo.cpp index b9f5849bdf..b54c9e9eb6 100644 --- a/lib/Target/PowerPC/PPCTargetAsmInfo.cpp +++ b/lib/Target/PowerPC/PPCTargetAsmInfo.cpp @@ -57,6 +57,13 @@ DarwinTargetAsmInfo::DarwinTargetAsmInfo(const PPCTargetMachine &TM) UsedDirective = "\t.no_dead_strip\t"; WeakRefDirective = "\t.weak_reference\t"; HiddenDirective = "\t.private_extern\t"; + + // In non-PIC modes, emit a special label before jump tables so that the + // linker can perform more accurate dead code stripping. + if (TM.getRelocationModel() != Reloc::PIC_) { + // Emit a local label that is preserved until the linker runs. + JumpTableSpecialLabelPrefix = "l"; + } } LinuxTargetAsmInfo::LinuxTargetAsmInfo(const PPCTargetMachine &TM) diff --git a/lib/Target/X86/X86TargetAsmInfo.cpp b/lib/Target/X86/X86TargetAsmInfo.cpp index 1735220ae2..2bb4a6c227 100644 --- a/lib/Target/X86/X86TargetAsmInfo.cpp +++ b/lib/Target/X86/X86TargetAsmInfo.cpp @@ -68,6 +68,13 @@ X86TargetAsmInfo::X86TargetAsmInfo(const X86TargetMachine &TM) { WeakRefDirective = "\t.weak_reference\t"; HiddenDirective = "\t.private_extern\t"; + // In non-PIC modes, emit a special label before jump tables so that the + // linker can perform more accurate dead code stripping. + if (TM.getRelocationModel() != Reloc::PIC_) { + // Emit a local label that is preserved until the linker runs. + JumpTableSpecialLabelPrefix = "l"; + } + NeedsSet = true; DwarfAbbrevSection = ".section __DWARF,__debug_abbrev,regular,debug"; DwarfInfoSection = ".section __DWARF,__debug_info,regular,debug"; |