From 306cbdbee7b46980b73c48b93f2908c79be13436 Mon Sep 17 00:00:00 2001
From: Evan Cheng <evan.cheng@apple.com>
Date: Wed, 2 Jan 2008 23:38:59 +0000
Subject: [PATCH] X86 PIC JIT bug fix: relocations for constantpool and
 jumptable.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@45515 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/X86/X86CodeEmitter.cpp | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/lib/Target/X86/X86CodeEmitter.cpp b/lib/Target/X86/X86CodeEmitter.cpp
index 7e6fb2a62f4..8b8ea0cc7a4 100644
--- a/lib/Target/X86/X86CodeEmitter.cpp
+++ b/lib/Target/X86/X86CodeEmitter.cpp
@@ -246,13 +246,12 @@ void Emitter::emitDisplacementField(const MachineOperand *RelocOp,
     emitGlobalAddress(RelocOp->getGlobal(), rt, RelocOp->getOffset(),
                       PCAdj, false, IsPIC);
   } else if (RelocOp->isConstantPoolIndex()) {
-    // Must be in 64-bit mode.
-    emitConstPoolAddress(RelocOp->getIndex(), X86::reloc_pcrel_word,
+    unsigned rt = Is64BitMode ? X86::reloc_pcrel_word : X86::reloc_picrel_word;
+    emitConstPoolAddress(RelocOp->getIndex(), rt,
                          RelocOp->getOffset(), PCAdj, IsPIC);
   } else if (RelocOp->isJumpTableIndex()) {
-    // Must be in 64-bit mode.
-    emitJumpTableAddress(RelocOp->getIndex(), X86::reloc_pcrel_word,
-                         PCAdj, IsPIC);
+    unsigned rt = Is64BitMode ? X86::reloc_pcrel_word : X86::reloc_picrel_word;
+    emitJumpTableAddress(RelocOp->getIndex(), rt, PCAdj, IsPIC);
   } else {
     assert(0 && "Unknown value to relocate!");
   }
@@ -269,14 +268,14 @@ void Emitter::emitMemModRMByte(const MachineInstr &MI,
   if (Op3.isGlobalAddress()) {
     DispForReloc = &Op3;
   } else if (Op3.isConstantPoolIndex()) {
-    if (Is64BitMode) {
+    if (Is64BitMode || IsPIC) {
       DispForReloc = &Op3;
     } else {
       DispVal += MCE.getConstantPoolEntryAddress(Op3.getIndex());
       DispVal += Op3.getOffset();
     }
   } else if (Op3.isJumpTableIndex()) {
-    if (Is64BitMode) {
+    if (Is64BitMode || IsPIC) {
       DispForReloc = &Op3;
     } else {
       DispVal += MCE.getJumpTableEntryAddress(Op3.getIndex());