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//===-- VOPDInstructions.td - Vector Instruction Definitions --------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//===----------------------------------------------------------------------===//
// Encodings
//===----------------------------------------------------------------------===//
class VOPDe<bits<4> opX, bits<5> opY> : Enc64 {
bits<9> src0X;
bits<8> vsrc1X;
bits<8> vdstX;
bits<9> src0Y;
bits<8> vsrc1Y;
bits<8> vdstY;
let Inst{8-0} = src0X;
let Inst{16-9} = vsrc1X;
let Inst{21-17} = opY;
let Inst{25-22} = opX;
let Inst{31-26} = 0x32; // encoding
let Inst{40-32} = src0Y;
let Inst{48-41} = vsrc1Y;
let Inst{55-49} = vdstY{7-1};
let Inst{63-56} = vdstX;
}
class VOPD_MADKe<bits<4> opX, bits<5> opY> : Enc96 {
bits<9> src0X;
bits<8> vsrc1X;
bits<8> vdstX;
bits<9> src0Y;
bits<8> vsrc1Y;
bits<8> vdstY;
bits<32> imm;
let Inst{8-0} = src0X;
let Inst{16-9} = vsrc1X;
let Inst{21-17} = opY;
let Inst{25-22} = opX;
let Inst{31-26} = 0x32; // encoding
let Inst{40-32} = src0Y;
let Inst{48-41} = vsrc1Y;
let Inst{55-49} = vdstY{7-1};
let Inst{63-56} = vdstX;
let Inst{95-64} = imm;
}
//===----------------------------------------------------------------------===//
// VOPD classes
//===----------------------------------------------------------------------===//
class VOPD_Base<dag outs, dag ins, string asm, VOP_Pseudo VDX, VOP_Pseudo VDY,
VOPD_Component XasVC, VOPD_Component YasVC>
: VOPAnyCommon<outs, ins, asm, []>,
VOP<NAME>,
SIMCInstr<NAME, SIEncodingFamily.GFX11> {
// Fields for table indexing
Instruction Opcode = !cast<Instruction>(NAME);
bits<5> OpX = XasVC.VOPDOp;
bits<5> OpY = YasVC.VOPDOp;
let VALU = 1;
let DecoderNamespace = "GFX11";
let AssemblerPredicate = isGFX11Plus;
let WaveSizePredicate = isWave32;
let isCodeGenOnly = 0;
let SubtargetPredicate = isGFX11Plus;
let AsmMatchConverter = "cvtVOPD";
let Size = 8;
let ReadsModeReg = !or(VDX.ReadsModeReg, VDY.ReadsModeReg);
let mayRaiseFPException = ReadsModeReg;
// V_DUAL_FMAC and V_DUAL_DOT2ACC_F32_F16 need a dummy src2 tied to dst for
// passes to track its uses. Its presence does not affect VOPD formation rules
// because the rules for src2 and dst are the same. src2X and src2Y should not
// be encoded.
bit hasSrc2AccX = !or(!eq(VDX.Mnemonic, "v_fmac_f32"), !eq(VDX.Mnemonic, "v_dot2c_f32_f16"));
bit hasSrc2AccY = !or(!eq(VDY.Mnemonic, "v_fmac_f32"), !eq(VDY.Mnemonic, "v_dot2c_f32_f16"));
string ConstraintsX = !if(hasSrc2AccX, "$src2X = $vdstX", "");
string ConstraintsY = !if(hasSrc2AccY, "$src2Y = $vdstY", "");
let Constraints =
ConstraintsX # !if(!and(hasSrc2AccX, hasSrc2AccY), ", ", "") # ConstraintsY;
string DisableEncodingX = !if(hasSrc2AccX, "$src2X", "");
string DisableEncodingY = !if(hasSrc2AccY, "$src2Y", "");
let DisableEncoding =
DisableEncodingX # !if(!and(hasSrc2AccX, hasSrc2AccY), ", ", "") # DisableEncodingY;
let Uses = RegListUnion<VDX.Uses, VDY.Uses>.ret;
let Defs = RegListUnion<VDX.Defs, VDY.Defs>.ret;
let SchedRW = !listconcat(VDX.SchedRW, VDY.SchedRW);
}
class VOPD<dag outs, dag ins, string asm, VOP_Pseudo VDX, VOP_Pseudo VDY,
VOPD_Component XasVC, VOPD_Component YasVC>
: VOPD_Base<outs, ins, asm, VDX, VDY, XasVC, YasVC>,
VOPDe<XasVC.VOPDOp{3-0}, YasVC.VOPDOp> {
let Inst{16-9} = !if (!eq(VDX.Mnemonic, "v_mov_b32"), 0x0, vsrc1X);
let Inst{48-41} = !if (!eq(VDY.Mnemonic, "v_mov_b32"), 0x0, vsrc1Y);
}
class VOPD_MADK<dag outs, dag ins, string asm, VOP_Pseudo VDX, VOP_Pseudo VDY,
VOPD_Component XasVC, VOPD_Component YasVC>
: VOPD_Base<outs, ins, asm, VDX, VDY, XasVC, YasVC>,
VOPD_MADKe<XasVC.VOPDOp{3-0}, YasVC.VOPDOp> {
let Inst{16-9} = !if (!eq(VDX.Mnemonic, "v_mov_b32"), 0x0, vsrc1X);
let Inst{48-41} = !if (!eq(VDY.Mnemonic, "v_mov_b32"), 0x0, vsrc1Y);
let Size = 12;
}
// V_DUAL_DOT2ACC_F32_BF16 is a legal instruction, but V_DOT2ACC_F32_BF16 is
// not. Since we generate the DUAL form by converting from the normal form we
// will never generate it.
defvar VOPDYPseudos = [
"V_FMAC_F32_e32", "V_FMAAK_F32", "V_FMAMK_F32", "V_MUL_F32_e32",
"V_ADD_F32_e32", "V_SUB_F32_e32", "V_SUBREV_F32_e32", "V_MUL_LEGACY_F32_e32",
"V_MOV_B32_e32", "V_CNDMASK_B32_e32", "V_MAX_F32_e32", "V_MIN_F32_e32",
"V_DOT2C_F32_F16_e32", "V_ADD_U32_e32", "V_LSHLREV_B32_e32", "V_AND_B32_e32"
];
defvar VOPDXPseudos = VOPDYPseudos[0...VOPDX_Max_Index];
def VOPDDstYOperand : RegisterOperand<VGPR_32, "printRegularOperand"> {
let DecoderMethod = "decodeOperandVOPDDstY";
}
foreach x = VOPDXPseudos in {
foreach y = VOPDYPseudos in {
defvar xInst = !cast<VOP_Pseudo>(x);
defvar yInst = !cast<VOP_Pseudo>(y);
defvar XasVC = !cast<VOPD_Component>(x);
defvar YasVC = !cast<VOPD_Component>(y);
defvar isMADK = !or(!eq(x, "V_FMAAK_F32"), !eq(x, "V_FMAMK_F32"),
!eq(y, "V_FMAAK_F32"), !eq(y, "V_FMAMK_F32"));
// If X or Y is MADK (have a mandatory immediate), all src operands which
// may contain an optional literal must use the VSrc_*_Deferred operand
// type. Optional literal operands in MADK VOPD components always use this
// operand form. If Both X and Y are MADK, the mandatory literal of X
// additionally must use an alternate operand format which defers to the
// 'real' Y literal
defvar isOpXMADK = !or(!eq(x, "V_FMAAK_F32"), !eq(x, "V_FMAMK_F32"));
defvar isOpYMADK = !or(!eq(y, "V_FMAAK_F32"), !eq(y, "V_FMAMK_F32"));
defvar OpName = "V_DUAL_" # !substr(x,2) # "_X_" # !substr(y,2);
defvar outs = (outs VGPRSrc_32:$vdstX, VOPDDstYOperand:$vdstY);
if !or(isOpXMADK, isOpYMADK) then {
if !and(isOpXMADK, isOpYMADK) then {
defvar X_MADK_Pfl = !cast<VOP_MADK_Base>(xInst.Pfl);
defvar ins = !con(xInst.Pfl.InsVOPDXDeferred, yInst.Pfl.InsVOPDY);
defvar asm = XasVC.VOPDName #" "# X_MADK_Pfl.AsmVOPDXDeferred #" :: "# YasVC.VOPDName #" "# yInst.Pfl.AsmVOPDY;
def OpName : VOPD_MADK<outs, ins, asm, xInst, yInst, XasVC, YasVC>;
} else {
defvar asm = XasVC.VOPDName #" "# xInst.Pfl.AsmVOPDX #" :: "# YasVC.VOPDName #" "# yInst.Pfl.AsmVOPDY;
if isOpXMADK then {
assert !not(isOpYMADK), "Expected only OpX as MADK";
defvar ins = !con(xInst.Pfl.InsVOPDX, yInst.Pfl.InsVOPDYDeferred);
def OpName : VOPD_MADK<outs, ins, asm, xInst, yInst, XasVC, YasVC>;
} else {
assert !not(isOpXMADK), "Expected only OpY as MADK";
defvar ins = !con(xInst.Pfl.InsVOPDXDeferred, yInst.Pfl.InsVOPDY);
def OpName : VOPD_MADK<outs, ins, asm, xInst, yInst, XasVC, YasVC>;
}
}
} else {
defvar ins = !con(xInst.Pfl.InsVOPDX, yInst.Pfl.InsVOPDY);
defvar asm = XasVC.VOPDName #" "# xInst.Pfl.AsmVOPDX #" :: "# YasVC.VOPDName #" "# yInst.Pfl.AsmVOPDY;
def OpName : VOPD<outs, ins, asm, xInst, yInst, XasVC, YasVC>;
}
}
}
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