D.Diag(diag::warn_drv_unsupported_longcalls) << (ABICallsArg ? 0 : 1);
}
+ if (Arg *A = Args.getLastArg(options::OPT_mxgot, options::OPT_mno_xgot)) {
+ if (A->getOption().matches(options::OPT_mxgot))
+ Features.push_back("+xgot");
+ else
+ Features.push_back("-xgot");
+ }
+
mips::FloatABI FloatABI = mips::getMipsFloatABI(D, Args);
if (FloatABI == mips::FloatABI::Soft) {
// FIXME: Note, this is a hack. We need to pass the selected float
CmdArgs.push_back("hard");
}
- if (Arg *A = Args.getLastArg(options::OPT_mxgot, options::OPT_mno_xgot)) {
- if (A->getOption().matches(options::OPT_mxgot)) {
- CmdArgs.push_back("-mllvm");
- CmdArgs.push_back("-mxgot");
- }
- }
-
if (Arg *A = Args.getLastArg(options::OPT_mldc1_sdc1,
options::OPT_mno_ldc1_sdc1)) {
if (A->getOption().matches(options::OPT_mno_ldc1_sdc1)) {
// RUN: %clang -target mips-linux-gnu -### -c %s \
// RUN: -mno-xgot -mxgot 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-XGOT %s
-// CHECK-XGOT: "-mllvm" "-mxgot"
+// CHECK-XGOT: "-target-feature" "+xgot"
//
// -mno-xgot
// RUN: %clang -target mips-linux-gnu -### -c %s \
// RUN: -mxgot -mno-xgot 2>&1 \
// RUN: | FileCheck --check-prefix=CHECK-NOXGOT %s
-// CHECK-NOXGOT-NOT: "-mllvm" "-mxgot"
+// CHECK-NOXGOT: "-target-feature" "-xgot"
//
// -mldc1-sdc1
// RUN: %clang -target mips-linux-gnu -### -c %s \
// IMG-SINGLEFLOAT-EXPLICIT-FPXX: "-target-feature" "+single-float"
// IMG-SINGLEFLOAT-EXPLICIT-FPXX: "-target-feature" "+fpxx"
// IMG-SINGLEFLOAT-EXPLICIT-FPXX: "-target-feature" "+nooddspreg"
+
+// RUN: %clang -target mips-linux-gnu -### -fintegrated-as -mxgot -c %s 2>&1 | \
+// RUN: FileCheck -check-prefix=XGOT %s
+// XGOT: -cc1as
+// XGOT: "-target-feature" "+xgot"
+
+// RUN: %clang -target mips-linux-gnu -### -fintegrated-as -mno-xgot -c %s 2>&1 | \
+// RUN: FileCheck -check-prefix=NOXGOT %s
+// NOXGOT: -cc1as
+// NOXGOT: "-target-feature" "-xgot"
def FeatureLongCalls : SubtargetFeature<"long-calls", "UseLongCalls", "true",
"Disable use of the jal instruction">;
+def FeatureXGOT
+ : SubtargetFeature<"xgot", "UseXGOT", "true", "Assume 32-bit GOT">;
+
def FeatureUseIndirectJumpsHazard : SubtargetFeature<"use-indirect-jump-hazard",
"UseIndirectJumpsHazard",
"true", "Use indirect jump"
STATISTIC(NumTailCalls, "Number of tail calls");
static cl::opt<bool>
-LargeGOT("mxgot", cl::Hidden,
- cl::desc("MIPS: Enable GOT larger than 64k."), cl::init(false));
-
-static cl::opt<bool>
NoZeroDivCheck("mno-check-zero-division", cl::Hidden,
cl::desc("MIPS: Don't trap on integer division by zero."),
cl::init(false));
!Subtarget.inMicroMipsMode();
// Disable if either of the following is true:
- // We do not generate PIC, the ABI is not O32, LargeGOT is being used.
- if (!TM.isPositionIndependent() || !TM.getABI().IsO32() || LargeGOT)
+ // We do not generate PIC, the ABI is not O32, XGOT is being used.
+ if (!TM.isPositionIndependent() || !TM.getABI().IsO32() ||
+ Subtarget.useXGOT())
UseFastISel = false;
return UseFastISel ? Mips::createFastISel(funcInfo, libInfo) : nullptr;
if (GV->hasLocalLinkage())
return getAddrLocal(N, SDLoc(N), Ty, DAG, ABI.IsN32() || ABI.IsN64());
- if (LargeGOT)
+ if (Subtarget.useXGOT())
return getAddrGlobalLargeGOT(
N, SDLoc(N), Ty, DAG, MipsII::MO_GOT_HI16, MipsII::MO_GOT_LO16,
DAG.getEntryNode(),
if (InternalLinkage)
Callee = getAddrLocal(G, DL, Ty, DAG, ABI.IsN32() || ABI.IsN64());
- else if (LargeGOT) {
+ else if (Subtarget.useXGOT()) {
Callee = getAddrGlobalLargeGOT(G, DL, Ty, DAG, MipsII::MO_CALL_HI16,
MipsII::MO_CALL_LO16, Chain,
FuncInfo->callPtrInfo(Val));
if (!IsPIC) // static
Callee = DAG.getTargetExternalSymbol(
Sym, getPointerTy(DAG.getDataLayout()), MipsII::MO_NO_FLAG);
- else if (LargeGOT) {
+ else if (Subtarget.useXGOT()) {
Callee = getAddrGlobalLargeGOT(S, DL, Ty, DAG, MipsII::MO_CALL_HI16,
MipsII::MO_CALL_LO16, Chain,
FuncInfo->callPtrInfo(Sym));
// Disable use of the `jal` instruction.
bool UseLongCalls = false;
+ // Assume 32-bit GOT.
+ bool UseXGOT = false;
+
/// The minimum alignment known to hold of the stack frame on
/// entry to the function and which must be maintained by every function.
unsigned stackAlignment;
bool useLongCalls() const { return UseLongCalls; }
+ bool useXGOT() const { return UseXGOT; }
+
bool enableLongBranchPass() const {
return hasStandardEncoding() || inMicroMipsMode() || allowMixed16_32();
}
; RUN: llc -march=mips < %s -debug 2>&1 | FileCheck %s --check-prefix=MIPS
-; RUN: llc -march=mips -relocation-model=pic -mxgot < %s -debug 2>&1 | FileCheck %s --check-prefix=MIPS-XGOT
+; RUN: llc -march=mips -relocation-model=pic -mattr=+xgot < %s \
+; RUN: -debug 2>&1 | FileCheck %s --check-prefix=MIPS-XGOT
; RUN: llc -march=mips -mattr=+micromips < %s -debug 2>&1 | FileCheck %s --check-prefix=MM
-; RUN: llc -march=mips -relocation-model=pic -mxgot -mattr=+micromips < %s -debug 2>&1 | FileCheck %s --check-prefix=MM-XGOT
+; RUN: llc -march=mips -relocation-model=pic -mattr=+xgot,+micromips < %s \
+; RUN: -debug 2>&1 | FileCheck %s --check-prefix=MM-XGOT
; REQUIRES: asserts
-; RUN: llc -march=mipsel -mxgot -relocation-model=pic < %s | FileCheck %s -check-prefix=O32
-; RUN: llc -march=mips64el -mcpu=mips64r2 -mxgot -relocation-model=pic < %s | \
-; RUN: FileCheck %s -check-prefix=N64
-; RUN: llc -march=mipsel -mxgot -relocation-model=pic -fast-isel < %s | FileCheck %s -check-prefix=O32
-; RUN: llc -march=mips64el -mcpu=mips64r2 -mxgot -relocation-model=pic -fast-isel < %s | \
-; RUN: FileCheck %s -check-prefix=N64
+; RUN: llc -march=mipsel -mattr=+xgot \
+; RUN: -relocation-model=pic < %s | FileCheck %s -check-prefix=O32
+; RUN: llc -march=mips64el -mcpu=mips64r2 -mattr=+xgot \
+; RUN: -relocation-model=pic < %s | FileCheck %s -check-prefix=N64
+; RUN: llc -march=mipsel -mattr=+xgot -fast-isel \
+; RUN: -relocation-model=pic < %s | FileCheck %s -check-prefix=O32
+; RUN: llc -march=mips64el -mcpu=mips64r2 -mattr=+xgot -fast-isel \
+; RUN: -relocation-model=pic < %s | FileCheck %s -check-prefix=N64
@v0 = external global i32
# RUN: llc -march=mips64 -target-abi n64 -start-before=finalize-isel \
-# RUN: -stop-after=finalize-isel -relocation-model=pic -mxgot \
+# RUN: -stop-after=finalize-isel -relocation-model=pic -mattr=+xgot \
# RUN: -o /dev/null %s
# A simple test to show that we can parse the target specific flags: gpoff-hi,