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X86-64 TLS support for local exec and initial exec.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@68947 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Rafael Espindola 2009-04-13 13:02:49 +00:00
parent 12f23a86e2
commit 7ff5bff45e
18 changed files with 63 additions and 10 deletions
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10
lib/Target/X86/AsmPrinter/X86ATTAsmPrinter.cpp
View File

@ -454,14 +454,16 @@ void X86ATTAsmPrinter::printOperand(const MachineInstr *MI, unsigned OpNo,
O << "@TLSGD";
break;
case TLSModel::InitialExec:
if (Subtarget->is64Bit())
O << "@TLSGD"; // 64 bit intial exec not implemented
else
if (Subtarget->is64Bit()) {
assert (!NotRIPRel);
O << "@GOTTPOFF(%rip)";
} else {
O << "@INDNTPOFF";
}
break;
case TLSModel::LocalExec:
if (Subtarget->is64Bit())
O << "@TLSGD"; // 64 bit local exec not implemented
O << "@TPOFF";
else
O << "@NTPOFF";
break;

9
lib/Target/X86/X86ISelDAGToDAG.cpp
View File

@ -808,9 +808,16 @@ bool X86DAGToDAGISel::MatchWrapper(SDValue N, X86ISelAddressMode &AM) {
uint64_t Offset = G->getOffset();
if (!is64Bit || isInt32(AM.Disp + Offset)) {
GlobalValue *GV = G->getGlobal();
bool isRIPRel = TM.symbolicAddressesAreRIPRel();
if (N0.getOpcode() == llvm::ISD::TargetGlobalTLSAddress) {
TLSModel::Model model =
getTLSModel (GV, TM.getRelocationModel());
if (is64Bit && model == TLSModel::InitialExec)
isRIPRel = true;
}
AM.GV = GV;
AM.Disp += Offset;
AM.isRIPRel = TM.symbolicAddressesAreRIPRel();
AM.isRIPRel = isRIPRel;
return false;
}
} else if (ConstantPoolSDNode *CP = dyn_cast<ConstantPoolSDNode>(N0)) {

14
lib/Target/X86/X86ISelLowering.cpp
View File

@ -4831,12 +4831,14 @@ LowerToTLSGeneralDynamicModel64(GlobalAddressSDNode *GA, SelectionDAG &DAG,
// Lower ISD::GlobalTLSAddress using the "initial exec" (for no-pic) or
// "local exec" model.
static SDValue LowerToTLSExecModel(GlobalAddressSDNode *GA, SelectionDAG &DAG,
const MVT PtrVT, TLSModel::Model model) {
const MVT PtrVT, TLSModel::Model model,
bool is64Bit) {
DebugLoc dl = GA->getDebugLoc();
// Get the Thread Pointer
SDValue Base = DAG.getNode(X86ISD::SegmentBaseAddress,
DebugLoc::getUnknownLoc(), PtrVT,
DAG.getRegister(X86::GS, MVT::i32));
DAG.getRegister(is64Bit? X86::FS : X86::GS,
MVT::i32));
SDValue ThreadPointer = DAG.getLoad(PtrVT, dl, DAG.getEntryNode(), Base,
NULL, 0);
@ -4871,9 +4873,11 @@ X86TargetLowering::LowerGlobalTLSAddress(SDValue Op, SelectionDAG &DAG) {
switch (model) {
case TLSModel::GeneralDynamic:
case TLSModel::LocalDynamic: // not implemented
case TLSModel::InitialExec: // not implemented
case TLSModel::LocalExec: // not implemented
return LowerToTLSGeneralDynamicModel64(GA, DAG, getPointerTy());
case TLSModel::InitialExec:
case TLSModel::LocalExec:
return LowerToTLSExecModel(GA, DAG, getPointerTy(), model, true);
}
} else {
switch (model) {
@ -4883,7 +4887,7 @@ X86TargetLowering::LowerGlobalTLSAddress(SDValue Op, SelectionDAG &DAG) {
case TLSModel::InitialExec:
case TLSModel::LocalExec:
return LowerToTLSExecModel(GA, DAG, getPointerTy(), model);
return LowerToTLSExecModel(GA, DAG, getPointerTy(), model, false);
}
}
assert(0 && "Unreachable");

2
test/CodeGen/X86/tls1.ll
View File

@ -1,5 +1,7 @@
; RUN: llvm-as < %s | llc -march=x86 -mtriple=i386-linux-gnu > %t
; RUN: grep {movl %gs:i@NTPOFF, %eax} %t
; RUN: llvm-as < %s | llc -march=x86-64 -mtriple=x86_64-linux-gnu > %t2
; RUN: grep {movl %fs:i@TPOFF, %eax} %t2
@i = thread_local global i32 15

3
test/CodeGen/X86/tls10.ll
View File

@ -1,6 +1,9 @@
; RUN: llvm-as < %s | llc -march=x86 -mtriple=i386-linux-gnu > %t
; RUN: grep {movl %gs:0, %eax} %t
; RUN: grep {leal i@NTPOFF(%eax), %eax} %t
; RUN: llvm-as < %s | llc -march=x86-64 -mtriple=x86_64-linux-gnu > %t2
; RUN: grep {movq %fs:0, %rax} %t2
; RUN: grep {leaq i@TPOFF(%rax), %rax} %t2
@i = external hidden thread_local global i32

2
test/CodeGen/X86/tls11.ll
View File

@ -1,5 +1,7 @@
; RUN: llvm-as < %s | llc -march=x86 -mtriple=i386-linux-gnu > %t
; RUN: grep {movw %gs:i@NTPOFF, %ax} %t
; RUN: llvm-as < %s | llc -march=x86-64 -mtriple=x86_64-linux-gnu > %t2
; RUN: grep {movw %fs:i@TPOFF, %ax} %t2
@i = thread_local global i16 15

2
test/CodeGen/X86/tls12.ll
View File

@ -1,5 +1,7 @@
; RUN: llvm-as < %s | llc -march=x86 -mtriple=i386-linux-gnu > %t
; RUN: grep {movb %gs:i@NTPOFF, %al} %t
; RUN: llvm-as < %s | llc -march=x86-64 -mtriple=x86_64-linux-gnu > %t2
; RUN: grep {movb %fs:i@TPOFF, %al} %t2
@i = thread_local global i8 15

3
test/CodeGen/X86/tls13.ll
View File

@ -1,6 +1,9 @@
; RUN: llvm-as < %s | llc -march=x86 -mtriple=i386-linux-gnu > %t
; RUN: grep {movswl %gs:i@NTPOFF, %eax} %t
; RUN: grep {movzwl %gs:j@NTPOFF, %eax} %t
; RUN: llvm-as < %s | llc -march=x86-64 -mtriple=x86_64-linux-gnu > %t2
; RUN: grep {movswl %fs:i@TPOFF, %edi} %t2
; RUN: grep {movzwl %fs:j@TPOFF, %edi} %t2
@i = thread_local global i16 0
@j = thread_local global i16 0

3
test/CodeGen/X86/tls14.ll
View File

@ -1,6 +1,9 @@
; RUN: llvm-as < %s | llc -march=x86 -mtriple=i386-linux-gnu > %t
; RUN: grep {movsbl %gs:i@NTPOFF, %eax} %t
; RUN: grep {movzbl %gs:j@NTPOFF, %eax} %t
; RUN: llvm-as < %s | llc -march=x86-64 -mtriple=x86_64-linux-gnu > %t2
; RUN: grep {movsbl %fs:i@TPOFF, %edi} %t2
; RUN: grep {movzbl %fs:j@TPOFF, %edi} %t2
@i = thread_local global i8 0
@j = thread_local global i8 0

4
test/CodeGen/X86/tls15.ll
View File

@ -2,6 +2,10 @@
; RUN: grep {movl %gs:0, %eax} %t | count 1
; RUN: grep {leal i@NTPOFF(%eax), %ecx} %t
; RUN: grep {leal j@NTPOFF(%eax), %eax} %t
; RUN: llvm-as < %s | llc -march=x86-64 -mtriple=x86_64-linux-gnu > %t2
; RUN: grep {movq %fs:0, %rax} %t2 | count 1
; RUN: grep {leaq i@TPOFF(%rax), %rcx} %t2
; RUN: grep {leaq j@TPOFF(%rax), %rax} %t2
@i = thread_local global i32 0
@j = thread_local global i32 0

3
test/CodeGen/X86/tls2.ll
View File

@ -1,6 +1,9 @@
; RUN: llvm-as < %s | llc -march=x86 -mtriple=i386-linux-gnu > %t
; RUN: grep {movl %gs:0, %eax} %t
; RUN: grep {leal i@NTPOFF(%eax), %eax} %t
; RUN: llvm-as < %s | llc -march=x86-64 -mtriple=x86_64-linux-gnu > %t2
; RUN: grep {movq %fs:0, %rax} %t2
; RUN: grep {leaq i@TPOFF(%rax), %rax} %t2
@i = thread_local global i32 15

3
test/CodeGen/X86/tls3.ll
View File

@ -1,6 +1,9 @@
; RUN: llvm-as < %s | llc -march=x86 -mtriple=i386-linux-gnu > %t
; RUN: grep {movl i@INDNTPOFF, %eax} %t
; RUN: grep {movl %gs:(%eax), %eax} %t
; RUN: llvm-as < %s | llc -march=x86-64 -mtriple=x86_64-linux-gnu > %t2
; RUN: grep {movq i@GOTTPOFF(%rip), %rax} %t2
; RUN: grep {movl %fs:(%rax), %eax} %t2
@i = external thread_local global i32 ; <i32*> [#uses=2]

3
test/CodeGen/X86/tls4.ll
View File

@ -1,6 +1,9 @@
; RUN: llvm-as < %s | llc -march=x86 -mtriple=i386-linux-gnu > %t
; RUN: grep {movl %gs:0, %eax} %t
; RUN: grep {addl i@INDNTPOFF, %eax} %t
; RUN: llvm-as < %s | llc -march=x86-64 -mtriple=x86_64-linux-gnu > %t2
; RUN: grep {movq %fs:0, %rax} %t2
; RUN: grep {addq i@GOTTPOFF(%rip), %rax} %t2
@i = external thread_local global i32 ; <i32*> [#uses=2]

2
test/CodeGen/X86/tls5.ll
View File

@ -1,5 +1,7 @@
; RUN: llvm-as < %s | llc -march=x86 -mtriple=i386-linux-gnu > %t
; RUN: grep {movl %gs:i@NTPOFF, %eax} %t
; RUN: llvm-as < %s | llc -march=x86-64 -mtriple=x86_64-linux-gnu > %t2
; RUN: grep {movl %fs:i@TPOFF, %eax} %t2
@i = internal thread_local global i32 15

3
test/CodeGen/X86/tls6.ll
View File

@ -1,6 +1,9 @@
; RUN: llvm-as < %s | llc -march=x86 -mtriple=i386-linux-gnu > %t
; RUN: grep {movl %gs:0, %eax} %t
; RUN: grep {leal i@NTPOFF(%eax), %eax} %t
; RUN: llvm-as < %s | llc -march=x86-64 -mtriple=x86_64-linux-gnu > %t2
; RUN: grep {movq %fs:0, %rax} %t2
; RUN: grep {leaq i@TPOFF(%rax), %rax} %t2
@i = internal thread_local global i32 15

2
test/CodeGen/X86/tls7.ll
View File

@ -1,5 +1,7 @@
; RUN: llvm-as < %s | llc -march=x86 -mtriple=i386-linux-gnu > %t
; RUN: grep {movl %gs:i@NTPOFF, %eax} %t
; RUN: llvm-as < %s | llc -march=x86-64 -mtriple=x86_64-linux-gnu > %t2
; RUN: grep {movl %fs:i@TPOFF, %eax} %t2
@i = hidden thread_local global i32 15

3
test/CodeGen/X86/tls8.ll
View File

@ -1,6 +1,9 @@
; RUN: llvm-as < %s | llc -march=x86 -mtriple=i386-linux-gnu > %t
; RUN: grep {movl %gs:0, %eax} %t
; RUN: grep {leal i@NTPOFF(%eax), %eax} %t
; RUN: llvm-as < %s | llc -march=x86-64 -mtriple=x86_64-linux-gnu > %t2
; RUN: grep {movq %fs:0, %rax} %t2
; RUN: grep {leaq i@TPOFF(%rax), %rax} %t2
@i = hidden thread_local global i32 15

2
test/CodeGen/X86/tls9.ll
View File

@ -1,5 +1,7 @@
; RUN: llvm-as < %s | llc -march=x86 -mtriple=i386-linux-gnu > %t
; RUN: grep {movl %gs:i@NTPOFF, %eax} %t
; RUN: llvm-as < %s | llc -march=x86-64 -mtriple=x86_64-linux-gnu > %t2
; RUN: grep {movl %fs:i@TPOFF, %eax} %t2
@i = external hidden thread_local global i32