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authorChris Lattner <sabre@nondot.org>2009-06-27 04:46:33 +0000
committerChris Lattner <sabre@nondot.org>2009-06-27 04:46:33 +0000
commitaa190887e73789729f4052c48fdd36c76f193586 (patch)
treeb67605e034f61a52f81e33576d4cddbcc2ee092d /lib
parent434136dedcfc8408bebc91ddb7a7efc82404fa9d (diff)
downloadexternal_llvm-aa190887e73789729f4052c48fdd36c76f193586.zip
external_llvm-aa190887e73789729f4052c48fdd36c76f193586.tar.gz
external_llvm-aa190887e73789729f4052c48fdd36c76f193586.tar.bz2
fix a bunch of failures in the X86-64 JIT by tolerating RIP as
a base register. We just ignore it for now. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@74374 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'lib')
-rw-r--r--lib/Target/X86/X86CodeEmitter.cpp8
1 files changed, 5 insertions, 3 deletions
diff --git a/lib/Target/X86/X86CodeEmitter.cpp b/lib/Target/X86/X86CodeEmitter.cpp
index e988a5c..d5846a0 100644
--- a/lib/Target/X86/X86CodeEmitter.cpp
+++ b/lib/Target/X86/X86CodeEmitter.cpp
@@ -301,7 +301,7 @@ bool Emitter<CodeEmitter>::gvNeedsNonLazyPtr(const GlobalValue *GV) {
template<class CodeEmitter>
void Emitter<CodeEmitter>::emitDisplacementField(const MachineOperand *RelocOp,
- int DispVal, intptr_t PCAdj) {
+ int DispVal, intptr_t PCAdj) {
// If this is a simple integer displacement that doesn't require a relocation,
// emit it now.
if (!RelocOp) {
@@ -371,8 +371,10 @@ void Emitter<CodeEmitter>::emitMemModRMByte(const MachineInstr &MI,
// Is a SIB byte needed?
if ((!Is64BitMode || DispForReloc || BaseReg != 0) &&
IndexReg.getReg() == 0 &&
- (BaseReg == 0 || getX86RegNum(BaseReg) != N86::ESP)) {
- if (BaseReg == 0) { // Just a displacement?
+ (BaseReg == 0 || BaseReg == X86::RIP ||
+ getX86RegNum(BaseReg) != N86::ESP)) {
+ if (BaseReg == 0 ||
+ BaseReg == X86::RIP) { // Just a displacement?
// Emit special case [disp32] encoding
MCE.emitByte(ModRMByte(0, RegOpcodeField, 5));