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[mips][msa] Added support for build_vector for v4f32 and v2f64.

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llvm-svn: 192699
This commit is contained in:
Daniel Sanders 2013-10-15 13:14:41 +00:00
parent 34543fbd59
commit 21c7c7cd9b
4 changed files with 151 additions and 16 deletions
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25
lib/Target/Mips/MipsMSAInstrInfo.td
View File

@ -212,6 +212,11 @@ def vsplati32 : PatFrag<(ops node:$e0),
node:$e0, node:$e0))>;
def vsplati64 : PatFrag<(ops node:$e0),
(v2i64 (build_vector:$v0 node:$e0, node:$e0))>;
def vsplatf32 : PatFrag<(ops node:$e0),
(v4f32 (build_vector node:$e0, node:$e0,
node:$e0, node:$e0))>;
def vsplatf64 : PatFrag<(ops node:$e0),
(v2f64 (build_vector node:$e0, node:$e0))>;
class SplatPatLeaf<Operand opclass, dag frag, code pred = [{}],
SDNodeXForm xform = NOOP_SDNodeXForm>
@ -1169,15 +1174,22 @@ class MSA_2R_DESC_BASE<string instr_asm, SDPatternOperator OpNode,
class MSA_2R_FILL_DESC_BASE<string instr_asm, ValueType VT,
SDPatternOperator OpNode, RegisterOperand ROWD,
RegisterOperand ROWS = ROWD,
RegisterOperand ROS = ROWD,
InstrItinClass itin = NoItinerary> {
dag OutOperandList = (outs ROWD:$wd);
dag InOperandList = (ins ROWS:$rs);
dag InOperandList = (ins ROS:$rs);
string AsmString = !strconcat(instr_asm, "\t$wd, $rs");
list<dag> Pattern = [(set ROWD:$wd, (VT (OpNode ROWS:$rs)))];
list<dag> Pattern = [(set ROWD:$wd, (VT (OpNode ROS:$rs)))];
InstrItinClass Itinerary = itin;
}
class MSA_2R_FILL_PSEUDO_BASE<ValueType VT, SDPatternOperator OpNode,
RegisterClass RCWD, RegisterClass RCWS = RCWD> :
MipsPseudo<(outs RCWD:$wd), (ins RCWS:$fs),
[(set RCWD:$wd, (OpNode RCWS:$fs))]> {
let usesCustomInserter = 1;
}
class MSA_2RF_DESC_BASE<string instr_asm, SDPatternOperator OpNode,
RegisterOperand ROWD, RegisterOperand ROWS = ROWD,
InstrItinClass itin = NoItinerary> {
@ -1828,6 +1840,11 @@ class FILL_H_DESC : MSA_2R_FILL_DESC_BASE<"fill.h", v8i16, vsplati16,
class FILL_W_DESC : MSA_2R_FILL_DESC_BASE<"fill.w", v4i32, vsplati32,
MSA128WOpnd, GPR32Opnd>;
class FILL_FW_PSEUDO_DESC : MSA_2R_FILL_PSEUDO_BASE<v4f32, vsplatf32, MSA128W,
FGR32>;
class FILL_FD_PSEUDO_DESC : MSA_2R_FILL_PSEUDO_BASE<v2f64, vsplatf64, MSA128D,
FGR64>;
class FLOG2_W_DESC : MSA_2RF_DESC_BASE<"flog2.w", flog2, MSA128WOpnd>;
class FLOG2_D_DESC : MSA_2RF_DESC_BASE<"flog2.d", flog2, MSA128DOpnd>;
@ -2766,6 +2783,8 @@ def FFQR_D : FFQR_D_ENC, FFQR_D_DESC;
def FILL_B : FILL_B_ENC, FILL_B_DESC;
def FILL_H : FILL_H_ENC, FILL_H_DESC;
def FILL_W : FILL_W_ENC, FILL_W_DESC;
def FILL_FW_PSEUDO : FILL_FW_PSEUDO_DESC;
def FILL_FD_PSEUDO : FILL_FD_PSEUDO_DESC;
def FLOG2_W : FLOG2_W_ENC, FLOG2_W_DESC;
def FLOG2_D : FLOG2_D_ENC, FLOG2_D_DESC;

93
lib/Target/Mips/MipsSEISelLowering.cpp
View File

@ -214,6 +214,7 @@ addMSAFloatType(MVT::SimpleValueType Ty, const TargetRegisterClass *RC) {
setOperationAction(ISD::BITCAST, Ty, Legal);
setOperationAction(ISD::EXTRACT_VECTOR_ELT, Ty, Legal);
setOperationAction(ISD::INSERT_VECTOR_ELT, Ty, Legal);
setOperationAction(ISD::BUILD_VECTOR, Ty, Custom);
if (Ty != MVT::v8f16) {
setOperationAction(ISD::FABS, Ty, Legal);
@ -835,6 +836,10 @@ MipsSETargetLowering::EmitInstrWithCustomInserter(MachineInstr *MI,
return emitINSERT_FW(MI, BB);
case Mips::INSERT_FD_PSEUDO:
return emitINSERT_FD(MI, BB);
case Mips::FILL_FW_PSEUDO:
return emitFILL_FW(MI, BB);
case Mips::FILL_FD_PSEUDO:
return emitFILL_FD(MI, BB);
}
}
@ -2386,8 +2391,9 @@ emitCOPY_FD(MachineInstr *MI, MachineBasicBlock *BB) const{
// =>
// subreg_to_reg $wt:sub_lo, $fs
// insve_w $wd[$n], $wd_in, $wt[0]
MachineBasicBlock * MipsSETargetLowering::
emitINSERT_FW(MachineInstr *MI, MachineBasicBlock *BB) const{
MachineBasicBlock *
MipsSETargetLowering::emitINSERT_FW(MachineInstr *MI,
MachineBasicBlock *BB) const {
const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
MachineRegisterInfo &RegInfo = BB->getParent()->getRegInfo();
DebugLoc DL = MI->getDebugLoc();
@ -2398,11 +2404,15 @@ emitINSERT_FW(MachineInstr *MI, MachineBasicBlock *BB) const{
unsigned Wt = RegInfo.createVirtualRegister(&Mips::MSA128WRegClass);
BuildMI(*BB, MI, DL, TII->get(Mips::SUBREG_TO_REG), Wt)
.addImm(0).addReg(Fs).addImm(Mips::sub_lo);
.addImm(0)
.addReg(Fs)
.addImm(Mips::sub_lo);
BuildMI(*BB, MI, DL, TII->get(Mips::INSVE_W), Wd)
.addReg(Wd_in).addImm(Lane).addReg(Wt);
.addReg(Wd_in)
.addImm(Lane)
.addReg(Wt);
MI->eraseFromParent(); // The pseudo instruction is gone now.
MI->eraseFromParent(); // The pseudo instruction is gone now.
return BB;
}
@ -2412,8 +2422,9 @@ emitINSERT_FW(MachineInstr *MI, MachineBasicBlock *BB) const{
// =>
// subreg_to_reg $wt:sub_64, $fs
// insve_d $wd[$n], $wd_in, $wt[0]
MachineBasicBlock * MipsSETargetLowering::
emitINSERT_FD(MachineInstr *MI, MachineBasicBlock *BB) const{
MachineBasicBlock *
MipsSETargetLowering::emitINSERT_FD(MachineInstr *MI,
MachineBasicBlock *BB) const {
assert(Subtarget->isFP64bit());
const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
@ -2426,9 +2437,73 @@ emitINSERT_FD(MachineInstr *MI, MachineBasicBlock *BB) const{
unsigned Wt = RegInfo.createVirtualRegister(&Mips::MSA128DRegClass);
BuildMI(*BB, MI, DL, TII->get(Mips::SUBREG_TO_REG), Wt)
.addImm(0).addReg(Fs).addImm(Mips::sub_64);
.addImm(0)
.addReg(Fs)
.addImm(Mips::sub_64);
BuildMI(*BB, MI, DL, TII->get(Mips::INSVE_D), Wd)
.addReg(Wd_in).addImm(Lane).addReg(Wt);
.addReg(Wd_in)
.addImm(Lane)
.addReg(Wt);
MI->eraseFromParent(); // The pseudo instruction is gone now.
return BB;
}
// Emit the FILL_FW pseudo instruction.
//
// fill_fw_pseudo $wd, $fs
// =>
// implicit_def $wt1
// insert_subreg $wt2:subreg_lo, $wt1, $fs
// splati.w $wd, $wt2[0]
MachineBasicBlock *
MipsSETargetLowering::emitFILL_FW(MachineInstr *MI,
MachineBasicBlock *BB) const {
const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
MachineRegisterInfo &RegInfo = BB->getParent()->getRegInfo();
DebugLoc DL = MI->getDebugLoc();
unsigned Wd = MI->getOperand(0).getReg();
unsigned Fs = MI->getOperand(1).getReg();
unsigned Wt1 = RegInfo.createVirtualRegister(&Mips::MSA128WRegClass);
unsigned Wt2 = RegInfo.createVirtualRegister(&Mips::MSA128WRegClass);
BuildMI(*BB, MI, DL, TII->get(Mips::IMPLICIT_DEF), Wt1);
BuildMI(*BB, MI, DL, TII->get(Mips::INSERT_SUBREG), Wt2)
.addReg(Wt1)
.addReg(Fs)
.addImm(Mips::sub_lo);
BuildMI(*BB, MI, DL, TII->get(Mips::SPLATI_W), Wd).addReg(Wt2).addImm(0);
MI->eraseFromParent(); // The pseudo instruction is gone now.
return BB;
}
// Emit the FILL_FD pseudo instruction.
//
// fill_fd_pseudo $wd, $fs
// =>
// implicit_def $wt1
// insert_subreg $wt2:subreg_64, $wt1, $fs
// splati.d $wd, $wt2[0]
MachineBasicBlock *
MipsSETargetLowering::emitFILL_FD(MachineInstr *MI,
MachineBasicBlock *BB) const {
assert(Subtarget->isFP64bit());
const TargetInstrInfo *TII = getTargetMachine().getInstrInfo();
MachineRegisterInfo &RegInfo = BB->getParent()->getRegInfo();
DebugLoc DL = MI->getDebugLoc();
unsigned Wd = MI->getOperand(0).getReg();
unsigned Fs = MI->getOperand(1).getReg();
unsigned Wt1 = RegInfo.createVirtualRegister(&Mips::MSA128DRegClass);
unsigned Wt2 = RegInfo.createVirtualRegister(&Mips::MSA128DRegClass);
BuildMI(*BB, MI, DL, TII->get(Mips::IMPLICIT_DEF), Wt1);
BuildMI(*BB, MI, DL, TII->get(Mips::INSERT_SUBREG), Wt2)
.addReg(Wt1)
.addReg(Fs)
.addImm(Mips::sub_64);
BuildMI(*BB, MI, DL, TII->get(Mips::SPLATI_D), Wd).addReg(Wt2).addImm(0);
MI->eraseFromParent(); // The pseudo instruction is gone now.
return BB;

6
lib/Target/Mips/MipsSEISelLowering.h
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@ -96,6 +96,12 @@ namespace llvm {
/// \brief Emit the INSERT_FD pseudo instruction
MachineBasicBlock *emitINSERT_FD(MachineInstr *MI,
MachineBasicBlock *BB) const;
/// \brief Emit the FILL_FW pseudo instruction
MachineBasicBlock *emitFILL_FW(MachineInstr *MI,
MachineBasicBlock *BB) const;
/// \brief Emit the FILL_FD pseudo instruction
MachineBasicBlock *emitFILL_FD(MachineInstr *MI,
MachineBasicBlock *BB) const;
};
}

43
test/CodeGen/Mips/msa/basic_operations_float.ll
View File

@ -2,21 +2,26 @@
@v4f32 = global <4 x float> <float 0.0, float 0.0, float 0.0, float 0.0>
@v2f64 = global <2 x double> <double 0.0, double 0.0>
@f32 = global float 0.0
@f64 = global double 0.0
define void @const_v4f32() nounwind {
; MIPS32: const_v4f32:
store volatile <4 x float> <float 0.0, float 0.0, float 0.0, float 0.0>, <4 x float>*@v4f32
; MIPS32: ld.w [[R1:\$w[0-9]+]], %lo(
; MIPS32: ldi.b [[R1:\$w[0-9]+]], 0
store volatile <4 x float> <float 1.0, float 1.0, float 1.0, float 1.0>, <4 x float>*@v4f32
; MIPS32: ld.w [[R1:\$w[0-9]+]], %lo(
; MIPS32: lui [[R1:\$[0-9]+]], 16256
; MIPS32: fill.w [[R2:\$w[0-9]+]], [[R1]]
store volatile <4 x float> <float 1.0, float 1.0, float 1.0, float 31.0>, <4 x float>*@v4f32
; MIPS32: ld.w [[R1:\$w[0-9]+]], %lo(
store volatile <4 x float> <float 65537.0, float 65537.0, float 65537.0, float 65537.0>, <4 x float>*@v4f32
; MIPS32: ld.w [[R1:\$w[0-9]+]], %lo(
; MIPS32: lui [[R1:\$[0-9]+]], 18304
; MIPS32: ori [[R2:\$[0-9]+]], [[R1]], 128
; MIPS32: fill.w [[R3:\$w[0-9]+]], [[R2]]
store volatile <4 x float> <float 1.0, float 2.0, float 1.0, float 2.0>, <4 x float>*@v4f32
; MIPS32: ld.w [[R1:\$w[0-9]+]], %lo(
@ -32,7 +37,7 @@ define void @const_v2f64() nounwind {
; MIPS32: const_v2f64:
store volatile <2 x double> <double 0.0, double 0.0>, <2 x double>*@v2f64
; MIPS32: ld.d [[R1:\$w[0-9]+]], %lo(
; MIPS32: ldi.b [[R1:\$w[0-9]+]], 0
store volatile <2 x double> <double 72340172838076673.0, double 72340172838076673.0>, <2 x double>*@v2f64
; MIPS32: ld.d [[R1:\$w[0-9]+]], %lo(
@ -56,6 +61,36 @@ define void @const_v2f64() nounwind {
; MIPS32: .size const_v2f64
}
define void @nonconst_v4f32() nounwind {
; MIPS32: nonconst_v4f32:
%1 = load float *@f32
%2 = insertelement <4 x float> undef, float %1, i32 0
%3 = insertelement <4 x float> %2, float %1, i32 1
%4 = insertelement <4 x float> %3, float %1, i32 2
%5 = insertelement <4 x float> %4, float %1, i32 3
store volatile <4 x float> %5, <4 x float>*@v4f32
; MIPS32: lwc1 $f[[R1:[0-9]+]], 0(
; MIPS32: splati.w [[R2:\$w[0-9]+]], $w[[R1]]
ret void
; MIPS32: .size nonconst_v4f32
}
define void @nonconst_v2f64() nounwind {
; MIPS32: nonconst_v2f64:
%1 = load double *@f64
%2 = insertelement <2 x double> undef, double %1, i32 0
%3 = insertelement <2 x double> %2, double %1, i32 1
store volatile <2 x double> %3, <2 x double>*@v2f64
; MIPS32: ldc1 $f[[R1:[0-9]+]], 0(
; MIPS32: splati.d [[R2:\$w[0-9]+]], $w[[R1]]
ret void
; MIPS32: .size nonconst_v2f64
}
define float @extract_v4f32() nounwind {
; MIPS32: extract_v4f32: