mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-09-30 19:55:11 +00:00
R600: Implement f64 ftrunc, ffloor and fceil.
CI has instructions for these, so this fixes them for older hardware. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@211183 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Matt Arsenault
parent
a5395c03f0
commit
debd831223
@ -219,7 +219,10 @@ AMDGPUTargetLowering::AMDGPUTargetLowering(TargetMachine &TM) :
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setOperationAction(ISD::BR_CC, MVT::i1, Expand);
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if (Subtarget->getGeneration() < AMDGPUSubtarget::SEA_ISLANDS) {
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setOperationAction(ISD::FCEIL, MVT::f64, Custom);
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setOperationAction(ISD::FTRUNC, MVT::f64, Custom);
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setOperationAction(ISD::FRINT, MVT::f64, Custom);
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setOperationAction(ISD::FFLOOR, MVT::f64, Custom);
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}
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if (!Subtarget->hasBFI()) {
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@ -494,7 +497,10 @@ SDValue AMDGPUTargetLowering::LowerOperation(SDValue Op,
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case ISD::SDIV: return LowerSDIV(Op, DAG);
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case ISD::SREM: return LowerSREM(Op, DAG);
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case ISD::UDIVREM: return LowerUDIVREM(Op, DAG);
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case ISD::FCEIL: return LowerFCEIL(Op, DAG);
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case ISD::FTRUNC: return LowerFTRUNC(Op, DAG);
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case ISD::FRINT: return LowerFRINT(Op, DAG);
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case ISD::FFLOOR: return LowerFFLOOR(Op, DAG);
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case ISD::UINT_TO_FP: return LowerUINT_TO_FP(Op, DAG);
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// AMDIL DAG lowering.
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@ -1571,6 +1577,84 @@ SDValue AMDGPUTargetLowering::LowerUDIVREM(SDValue Op,
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return DAG.getMergeValues(Ops, DL);
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}
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SDValue AMDGPUTargetLowering::LowerFCEIL(SDValue Op, SelectionDAG &DAG) const {
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SDLoc SL(Op);
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SDValue Src = Op.getOperand(0);
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// result = trunc(src)
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// if (src > 0.0 && src != result)
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// result += 1.0
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SDValue Trunc = DAG.getNode(ISD::FTRUNC, SL, MVT::f64, Src);
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const SDValue Zero = DAG.getConstantFP(0.0, MVT::f64);
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const SDValue One = DAG.getConstantFP(1.0, MVT::f64);
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EVT SetCCVT = getSetCCResultType(*DAG.getContext(), MVT::f64);
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SDValue Lt0 = DAG.getSetCC(SL, SetCCVT, Src, Zero, ISD::SETOGT);
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SDValue NeTrunc = DAG.getSetCC(SL, SetCCVT, Src, Trunc, ISD::SETONE);
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SDValue And = DAG.getNode(ISD::AND, SL, SetCCVT, Lt0, NeTrunc);
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SDValue Add = DAG.getNode(ISD::SELECT, SL, MVT::f64, And, One, Zero);
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return DAG.getNode(ISD::FADD, SL, MVT::f64, Trunc, Add);
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}
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SDValue AMDGPUTargetLowering::LowerFTRUNC(SDValue Op, SelectionDAG &DAG) const {
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SDLoc SL(Op);
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SDValue Src = Op.getOperand(0);
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assert(Op.getValueType() == MVT::f64);
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const SDValue Zero = DAG.getConstant(0, MVT::i32);
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const SDValue One = DAG.getConstant(1, MVT::i32);
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SDValue VecSrc = DAG.getNode(ISD::BITCAST, SL, MVT::v2i32, Src);
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// Extract the upper half, since this is where we will find the sign and
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// exponent.
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SDValue Hi = DAG.getNode(ISD::EXTRACT_VECTOR_ELT, SL, MVT::i32, VecSrc, One);
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const unsigned FractBits = 52;
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const unsigned ExpBits = 11;
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// Extract the exponent.
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SDValue ExpPart = DAG.getNode(AMDGPUISD::BFE_I32, SL, MVT::i32,
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Hi,
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DAG.getConstant(FractBits - 32, MVT::i32),
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DAG.getConstant(ExpBits, MVT::i32));
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SDValue Exp = DAG.getNode(ISD::SUB, SL, MVT::i32, ExpPart,
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DAG.getConstant(1023, MVT::i32));
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// Extract the sign bit.
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const SDValue SignBitMask = DAG.getConstant(1ul << 31, MVT::i32);
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SDValue SignBit = DAG.getNode(ISD::AND, SL, MVT::i32, Hi, SignBitMask);
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// Extend back to to 64-bits.
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SDValue SignBit64 = DAG.getNode(ISD::BUILD_VECTOR, SL, MVT::v2i32,
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Zero, SignBit);
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SignBit64 = DAG.getNode(ISD::BITCAST, SL, MVT::i64, SignBit64);
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SDValue BcInt = DAG.getNode(ISD::BITCAST, SL, MVT::i64, Src);
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const SDValue FractMask = DAG.getConstant((1L << FractBits) - 1, MVT::i64);
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SDValue Shr = DAG.getNode(ISD::SRA, SL, MVT::i64, FractMask, Exp);
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SDValue Not = DAG.getNOT(SL, Shr, MVT::i64);
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SDValue Tmp0 = DAG.getNode(ISD::AND, SL, MVT::i64, BcInt, Not);
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EVT SetCCVT = getSetCCResultType(*DAG.getContext(), MVT::i32);
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const SDValue FiftyOne = DAG.getConstant(FractBits - 1, MVT::i32);
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SDValue ExpLt0 = DAG.getSetCC(SL, SetCCVT, Exp, Zero, ISD::SETLT);
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SDValue ExpGt51 = DAG.getSetCC(SL, SetCCVT, Exp, FiftyOne, ISD::SETGT);
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SDValue Tmp1 = DAG.getNode(ISD::SELECT, SL, MVT::i64, ExpLt0, SignBit64, Tmp0);
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SDValue Tmp2 = DAG.getNode(ISD::SELECT, SL, MVT::i64, ExpGt51, BcInt, Tmp1);
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return DAG.getNode(ISD::BITCAST, SL, MVT::f64, Tmp2);
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}
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SDValue AMDGPUTargetLowering::LowerFRINT(SDValue Op, SelectionDAG &DAG) const {
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SDLoc SL(Op);
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SDValue Src = Op.getOperand(0);
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@ -1592,6 +1676,29 @@ SDValue AMDGPUTargetLowering::LowerFRINT(SDValue Op, SelectionDAG &DAG) const {
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return DAG.getSelect(SL, MVT::f64, Cond, Src, Tmp2);
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}
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SDValue AMDGPUTargetLowering::LowerFFLOOR(SDValue Op, SelectionDAG &DAG) const {
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SDLoc SL(Op);
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SDValue Src = Op.getOperand(0);
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// result = trunc(src);
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// if (src < 0.0 && src != result)
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// result += -1.0.
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SDValue Trunc = DAG.getNode(ISD::FTRUNC, SL, MVT::f64, Src);
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const SDValue Zero = DAG.getConstantFP(0.0, MVT::f64);
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const SDValue NegOne = DAG.getConstantFP(-1.0, MVT::f64);
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EVT SetCCVT = getSetCCResultType(*DAG.getContext(), MVT::f64);
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SDValue Lt0 = DAG.getSetCC(SL, SetCCVT, Src, Zero, ISD::SETOLT);
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SDValue NeTrunc = DAG.getSetCC(SL, SetCCVT, Src, Trunc, ISD::SETONE);
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SDValue And = DAG.getNode(ISD::AND, SL, SetCCVT, Lt0, NeTrunc);
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SDValue Add = DAG.getNode(ISD::SELECT, SL, MVT::f64, And, NegOne, Zero);
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return DAG.getNode(ISD::FADD, SL, MVT::f64, Trunc, Add);
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}
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SDValue AMDGPUTargetLowering::LowerUINT_TO_FP(SDValue Op,
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SelectionDAG &DAG) const {
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SDValue S0 = Op.getOperand(0);
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@ -51,7 +51,11 @@ private:
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SDValue LowerSREM32(SDValue Op, SelectionDAG &DAG) const;
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SDValue LowerSREM64(SDValue Op, SelectionDAG &DAG) const;
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SDValue LowerUDIVREM(SDValue Op, SelectionDAG &DAG) const;
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SDValue LowerFCEIL(SDValue Op, SelectionDAG &DAG) const;
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SDValue LowerFTRUNC(SDValue Op, SelectionDAG &DAG) const;
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SDValue LowerFRINT(SDValue Op, SelectionDAG &DAG) const;
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SDValue LowerFFLOOR(SDValue Op, SelectionDAG &DAG) const;
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SDValue LowerUINT_TO_FP(SDValue Op, SelectionDAG &DAG) const;
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SDValue ExpandSIGN_EXTEND_INREG(SDValue Op,
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@ -1,4 +1,5 @@
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; RUN: llc -march=r600 -mcpu=bonaire < %s | FileCheck -check-prefix=CI %s
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; RUN: llc -march=r600 -mcpu=bonaire < %s | FileCheck -check-prefix=CI -check-prefix=FUNC %s
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; RUN: llc -march=r600 -mcpu=SI < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
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declare double @llvm.ceil.f64(double) nounwind readnone
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declare <2 x double> @llvm.ceil.v2f64(<2 x double>) nounwind readnone
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@ -7,15 +8,33 @@ declare <4 x double> @llvm.ceil.v4f64(<4 x double>) nounwind readnone
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declare <8 x double> @llvm.ceil.v8f64(<8 x double>) nounwind readnone
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declare <16 x double> @llvm.ceil.v16f64(<16 x double>) nounwind readnone
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; CI-LABEL: @fceil_f64:
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; FUNC-LABEL: @fceil_f64:
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; CI: V_CEIL_F64_e32
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; SI: S_BFE_I32 [[SEXP:s[0-9]+]], {{s[0-9]+}}, 0xb0014
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; SI: S_ADD_I32 s{{[0-9]+}}, [[SEXP]], 0xfffffc01
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; SI: S_LSHR_B64
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; SI: S_NOT_B64
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; SI: S_AND_B64
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; SI: S_AND_B32 s{{[0-9]+}}, s{{[0-9]+}}, 0x80000000
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; SI: CMP_LT_I32
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; SI: CNDMASK_B32
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; SI: CNDMASK_B32
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; SI: CMP_GT_I32
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; SI: CNDMASK_B32
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; SI: CNDMASK_B32
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; SI: CMP_GT_F64
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; SI: CNDMASK_B32
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; SI: CMP_NE_I32
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; SI: CNDMASK_B32
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; SI: CNDMASK_B32
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; SI: V_ADD_F64
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define void @fceil_f64(double addrspace(1)* %out, double %x) {
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%y = call double @llvm.ceil.f64(double %x) nounwind readnone
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store double %y, double addrspace(1)* %out
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ret void
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}
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; CI-LABEL: @fceil_v2f64:
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; FUNC-LABEL: @fceil_v2f64:
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; CI: V_CEIL_F64_e32
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; CI: V_CEIL_F64_e32
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define void @fceil_v2f64(<2 x double> addrspace(1)* %out, <2 x double> %x) {
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@ -24,7 +43,7 @@ define void @fceil_v2f64(<2 x double> addrspace(1)* %out, <2 x double> %x) {
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ret void
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}
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; FIXME-CI-LABEL: @fceil_v3f64:
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; FIXME-FUNC-LABEL: @fceil_v3f64:
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; FIXME-CI: V_CEIL_F64_e32
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; FIXME-CI: V_CEIL_F64_e32
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; FIXME-CI: V_CEIL_F64_e32
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@ -34,7 +53,7 @@ define void @fceil_v2f64(<2 x double> addrspace(1)* %out, <2 x double> %x) {
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; ret void
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; }
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; CI-LABEL: @fceil_v4f64:
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; FUNC-LABEL: @fceil_v4f64:
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; CI: V_CEIL_F64_e32
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; CI: V_CEIL_F64_e32
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; CI: V_CEIL_F64_e32
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@ -45,7 +64,7 @@ define void @fceil_v4f64(<4 x double> addrspace(1)* %out, <4 x double> %x) {
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ret void
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}
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; CI-LABEL: @fceil_v8f64:
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; FUNC-LABEL: @fceil_v8f64:
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; CI: V_CEIL_F64_e32
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; CI: V_CEIL_F64_e32
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; CI: V_CEIL_F64_e32
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@ -60,7 +79,7 @@ define void @fceil_v8f64(<8 x double> addrspace(1)* %out, <8 x double> %x) {
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ret void
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}
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; CI-LABEL: @fceil_v16f64:
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; FUNC-LABEL: @fceil_v16f64:
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; CI: V_CEIL_F64_e32
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; CI: V_CEIL_F64_e32
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; CI: V_CEIL_F64_e32
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@ -1,4 +1,5 @@
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; RUN: llc -march=r600 -mcpu=bonaire < %s | FileCheck -check-prefix=CI %s
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; RUN: llc -march=r600 -mcpu=bonaire < %s | FileCheck -check-prefix=CI -check-prefix=FUNC %s
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; RUN: llc -march=r600 -mcpu=SI < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
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declare double @llvm.floor.f64(double) nounwind readnone
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declare <2 x double> @llvm.floor.v2f64(<2 x double>) nounwind readnone
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@ -7,15 +8,34 @@ declare <4 x double> @llvm.floor.v4f64(<4 x double>) nounwind readnone
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declare <8 x double> @llvm.floor.v8f64(<8 x double>) nounwind readnone
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declare <16 x double> @llvm.floor.v16f64(<16 x double>) nounwind readnone
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; CI-LABEL: @ffloor_f64:
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; FUNC-LABEL: @ffloor_f64:
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; CI: V_FLOOR_F64_e32
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; SI: S_BFE_I32 [[SEXP:s[0-9]+]], {{s[0-9]+}}, 0xb0014
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; SI: S_ADD_I32 s{{[0-9]+}}, [[SEXP]], 0xfffffc01
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; SI: S_LSHR_B64
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; SI: S_NOT_B64
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; SI: S_AND_B64
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; SI: S_AND_B32 s{{[0-9]+}}, s{{[0-9]+}}, 0x80000000
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; SI: CMP_LT_I32
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; SI: CNDMASK_B32
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; SI: CNDMASK_B32
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; SI: CMP_GT_I32
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; SI: CNDMASK_B32
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; SI: CNDMASK_B32
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; SI: CMP_LT_F64
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; SI: CNDMASK_B32
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; SI: CMP_NE_I32
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; SI: CNDMASK_B32
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; SI: CNDMASK_B32
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; SI: V_ADD_F64
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define void @ffloor_f64(double addrspace(1)* %out, double %x) {
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%y = call double @llvm.floor.f64(double %x) nounwind readnone
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store double %y, double addrspace(1)* %out
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ret void
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}
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; CI-LABEL: @ffloor_v2f64:
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; FUNC-LABEL: @ffloor_v2f64:
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; CI: V_FLOOR_F64_e32
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; CI: V_FLOOR_F64_e32
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define void @ffloor_v2f64(<2 x double> addrspace(1)* %out, <2 x double> %x) {
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@ -24,7 +44,7 @@ define void @ffloor_v2f64(<2 x double> addrspace(1)* %out, <2 x double> %x) {
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ret void
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}
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; FIXME-CI-LABEL: @ffloor_v3f64:
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; FIXME-FUNC-LABEL: @ffloor_v3f64:
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; FIXME-CI: V_FLOOR_F64_e32
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; FIXME-CI: V_FLOOR_F64_e32
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; FIXME-CI: V_FLOOR_F64_e32
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@ -34,7 +54,7 @@ define void @ffloor_v2f64(<2 x double> addrspace(1)* %out, <2 x double> %x) {
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; ret void
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; }
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; CI-LABEL: @ffloor_v4f64:
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; FUNC-LABEL: @ffloor_v4f64:
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; CI: V_FLOOR_F64_e32
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; CI: V_FLOOR_F64_e32
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; CI: V_FLOOR_F64_e32
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@ -45,7 +65,7 @@ define void @ffloor_v4f64(<4 x double> addrspace(1)* %out, <4 x double> %x) {
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ret void
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}
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; CI-LABEL: @ffloor_v8f64:
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; FUNC-LABEL: @ffloor_v8f64:
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; CI: V_FLOOR_F64_e32
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; CI: V_FLOOR_F64_e32
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; CI: V_FLOOR_F64_e32
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@ -60,7 +80,7 @@ define void @ffloor_v8f64(<8 x double> addrspace(1)* %out, <8 x double> %x) {
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ret void
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}
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; CI-LABEL: @ffloor_v16f64:
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; FUNC-LABEL: @ffloor_v16f64:
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; CI: V_FLOOR_F64_e32
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; CI: V_FLOOR_F64_e32
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; CI: V_FLOOR_F64_e32
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@ -1,4 +1,5 @@
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; RUN: llc -march=r600 -mcpu=bonaire < %s | FileCheck -check-prefix=CI %s
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; RUN: llc -march=r600 -mcpu=bonaire < %s | FileCheck -check-prefix=CI -check-prefix=FUNC %s
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; RUN: llc -march=r600 -mcpu=SI < %s | FileCheck -check-prefix=SI -check-prefix=FUNC %s
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declare double @llvm.trunc.f64(double) nounwind readnone
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declare <2 x double> @llvm.trunc.v2f64(<2 x double>) nounwind readnone
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@ -7,15 +8,40 @@ declare <4 x double> @llvm.trunc.v4f64(<4 x double>) nounwind readnone
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declare <8 x double> @llvm.trunc.v8f64(<8 x double>) nounwind readnone
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declare <16 x double> @llvm.trunc.v16f64(<16 x double>) nounwind readnone
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; CI-LABEL: @ftrunc_f64:
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; FUNC-LABEL: @v_ftrunc_f64:
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; CI: V_TRUNC_F64_e32
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; SI: V_BFE_I32 {{v[0-9]+}}, {{v[0-9]+}}, 20, 11
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; SI: S_ENDPGM
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define void @v_ftrunc_f64(double addrspace(1)* %out, double addrspace(1)* %in) {
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%x = load double addrspace(1)* %in, align 8
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%y = call double @llvm.trunc.f64(double %x) nounwind readnone
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store double %y, double addrspace(1)* %out, align 8
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ret void
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}
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; FUNC-LABEL: @ftrunc_f64:
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; CI: V_TRUNC_F64_e32
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; SI: S_BFE_I32 [[SEXP:s[0-9]+]], {{s[0-9]+}}, 0xb0014
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; SI: S_ADD_I32 s{{[0-9]+}}, [[SEXP]], 0xfffffc01
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; SI: S_LSHR_B64
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; SI: S_NOT_B64
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; SI: S_AND_B64
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; SI: S_AND_B32 s{{[0-9]+}}, s{{[0-9]+}}, 0x80000000
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; SI: CMP_LT_I32
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; SI: CNDMASK_B32
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; SI: CNDMASK_B32
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; SI: CMP_GT_I32
|
||||
; SI: CNDMASK_B32
|
||||
; SI: CNDMASK_B32
|
||||
; SI: S_ENDPGM
|
||||
define void @ftrunc_f64(double addrspace(1)* %out, double %x) {
|
||||
%y = call double @llvm.trunc.f64(double %x) nounwind readnone
|
||||
store double %y, double addrspace(1)* %out
|
||||
ret void
|
||||
}
|
||||
|
||||
; CI-LABEL: @ftrunc_v2f64:
|
||||
; FUNC-LABEL: @ftrunc_v2f64:
|
||||
; CI: V_TRUNC_F64_e32
|
||||
; CI: V_TRUNC_F64_e32
|
||||
define void @ftrunc_v2f64(<2 x double> addrspace(1)* %out, <2 x double> %x) {
|
||||
@ -24,7 +50,7 @@ define void @ftrunc_v2f64(<2 x double> addrspace(1)* %out, <2 x double> %x) {
|
||||
ret void
|
||||
}
|
||||
|
||||
; FIXME-CI-LABEL: @ftrunc_v3f64:
|
||||
; FIXME-FUNC-LABEL: @ftrunc_v3f64:
|
||||
; FIXME-CI: V_TRUNC_F64_e32
|
||||
; FIXME-CI: V_TRUNC_F64_e32
|
||||
; FIXME-CI: V_TRUNC_F64_e32
|
||||
@ -34,7 +60,7 @@ define void @ftrunc_v2f64(<2 x double> addrspace(1)* %out, <2 x double> %x) {
|
||||
; ret void
|
||||
; }
|
||||
|
||||
; CI-LABEL: @ftrunc_v4f64:
|
||||
; FUNC-LABEL: @ftrunc_v4f64:
|
||||
; CI: V_TRUNC_F64_e32
|
||||
; CI: V_TRUNC_F64_e32
|
||||
; CI: V_TRUNC_F64_e32
|
||||
@ -45,7 +71,7 @@ define void @ftrunc_v4f64(<4 x double> addrspace(1)* %out, <4 x double> %x) {
|
||||
ret void
|
||||
}
|
||||
|
||||
; CI-LABEL: @ftrunc_v8f64:
|
||||
; FUNC-LABEL: @ftrunc_v8f64:
|
||||
; CI: V_TRUNC_F64_e32
|
||||
; CI: V_TRUNC_F64_e32
|
||||
; CI: V_TRUNC_F64_e32
|
||||
@ -60,7 +86,7 @@ define void @ftrunc_v8f64(<8 x double> addrspace(1)* %out, <8 x double> %x) {
|
||||
ret void
|
||||
}
|
||||
|
||||
; CI-LABEL: @ftrunc_v16f64:
|
||||
; FUNC-LABEL: @ftrunc_v16f64:
|
||||
; CI: V_TRUNC_F64_e32
|
||||
; CI: V_TRUNC_F64_e32
|
||||
; CI: V_TRUNC_F64_e32
|
||||
|
||||
Loading…
Reference in New Issue
Block a user