Subzero. Native 64-bit int arithmetic on x86-64.

src/IceTargetLoweringX8632.cpp

Index: src/IceTargetLoweringX8632.cpp
diff --git a/src/IceTargetLoweringX8632.cpp b/src/IceTargetLoweringX8632.cpp
index 6724a6189f31e75cd09283710f7c14d26addd1ab..466564d8408bba025e049ef93f2c557d935818c3 100644
--- a/src/IceTargetLoweringX8632.cpp
+++ b/src/IceTargetLoweringX8632.cpp
@@ -792,7 +792,7 @@ void TargetDataX8632::lowerJumpTables() {
   case FT_Elf: {
     ELFObjectWriter *Writer = Ctx->getObjectWriter();
     for (const JumpTableData &JT : Ctx->getJumpTables())
-      Writer->writeJumpTable(JT, llvm::ELF::R_386_32);
+      Writer->writeJumpTable(JT, TargetX8632::Traits::RelFixup);
   } break;
   case FT_Asm:
     // Already emitted from Cfg
@@ -821,7 +821,8 @@ void TargetDataX8632::lowerGlobals(const VariableDeclarationList &Vars,
   switch (Ctx->getFlags().getOutFileType()) {
   case FT_Elf: {
     ELFObjectWriter *Writer = Ctx->getObjectWriter();
-    Writer->writeDataSection(Vars, llvm::ELF::R_386_32, SectionSuffix);
+    Writer->writeDataSection(Vars, TargetX8632::Traits::RelFixup,
+                             SectionSuffix);
   } break;
   case FT_Asm:
   case FT_Iasm: {