mirror of
https://github.com/c64scene-ar/llvm-6502.git
synced 2024-08-23 17:29:19 +00:00
There is already code trying to use it for getting the offset. git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217775 91177308-0d34-0410-b5e6-96231b3b80d8
555 lines
12 KiB
TableGen
555 lines
12 KiB
TableGen
//===-- SIInstrFormats.td - SI Instruction Encodings ----------------------===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// SI Instruction format definitions.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
class InstSI <dag outs, dag ins, string asm, list<dag> pattern> :
|
|
AMDGPUInst<outs, ins, asm, pattern>, PredicateControl {
|
|
|
|
field bits<1> VM_CNT = 0;
|
|
field bits<1> EXP_CNT = 0;
|
|
field bits<1> LGKM_CNT = 0;
|
|
field bits<1> MIMG = 0;
|
|
field bits<1> SMRD = 0;
|
|
field bits<1> VOP1 = 0;
|
|
field bits<1> VOP2 = 0;
|
|
field bits<1> VOP3 = 0;
|
|
field bits<1> VOPC = 0;
|
|
field bits<1> SALU = 0;
|
|
field bits<1> MUBUF = 0;
|
|
field bits<1> MTBUF = 0;
|
|
|
|
// These need to be kept in sync with the enum in SIInstrFlags.
|
|
let TSFlags{0} = VM_CNT;
|
|
let TSFlags{1} = EXP_CNT;
|
|
let TSFlags{2} = LGKM_CNT;
|
|
let TSFlags{3} = MIMG;
|
|
let TSFlags{4} = SMRD;
|
|
let TSFlags{5} = VOP1;
|
|
let TSFlags{6} = VOP2;
|
|
let TSFlags{7} = VOP3;
|
|
let TSFlags{8} = VOPC;
|
|
let TSFlags{9} = SALU;
|
|
let TSFlags{10} = MUBUF;
|
|
let TSFlags{11} = MTBUF;
|
|
}
|
|
|
|
class Enc32 {
|
|
|
|
field bits<32> Inst;
|
|
int Size = 4;
|
|
}
|
|
|
|
class Enc64 {
|
|
|
|
field bits<64> Inst;
|
|
int Size = 8;
|
|
}
|
|
|
|
class VOP3Common <dag outs, dag ins, string asm, list<dag> pattern> :
|
|
InstSI <outs, ins, asm, pattern> {
|
|
|
|
let mayLoad = 0;
|
|
let mayStore = 0;
|
|
let hasSideEffects = 0;
|
|
let UseNamedOperandTable = 1;
|
|
// Using complex patterns gives VOP3 patterns a very high complexity rating,
|
|
// but standalone patterns are almost always prefered, so we need to adjust the
|
|
// priority lower. The goal is to use a high number to reduce complexity to
|
|
// zero (or less than zero).
|
|
let AddedComplexity = -1000;
|
|
|
|
let VOP3 = 1;
|
|
|
|
int Size = 8;
|
|
let Uses = [EXEC];
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Scalar operations
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
class SOP1e <bits<8> op> : Enc32 {
|
|
|
|
bits<7> SDST;
|
|
bits<8> SSRC0;
|
|
|
|
let Inst{7-0} = SSRC0;
|
|
let Inst{15-8} = op;
|
|
let Inst{22-16} = SDST;
|
|
let Inst{31-23} = 0x17d; //encoding;
|
|
}
|
|
|
|
class SOP2e <bits<7> op> : Enc32 {
|
|
|
|
bits<7> SDST;
|
|
bits<8> SSRC0;
|
|
bits<8> SSRC1;
|
|
|
|
let Inst{7-0} = SSRC0;
|
|
let Inst{15-8} = SSRC1;
|
|
let Inst{22-16} = SDST;
|
|
let Inst{29-23} = op;
|
|
let Inst{31-30} = 0x2; // encoding
|
|
}
|
|
|
|
class SOPCe <bits<7> op> : Enc32 {
|
|
|
|
bits<8> SSRC0;
|
|
bits<8> SSRC1;
|
|
|
|
let Inst{7-0} = SSRC0;
|
|
let Inst{15-8} = SSRC1;
|
|
let Inst{22-16} = op;
|
|
let Inst{31-23} = 0x17e;
|
|
}
|
|
|
|
class SOPKe <bits<5> op> : Enc32 {
|
|
|
|
bits <7> SDST;
|
|
bits <16> SIMM16;
|
|
|
|
let Inst{15-0} = SIMM16;
|
|
let Inst{22-16} = SDST;
|
|
let Inst{27-23} = op;
|
|
let Inst{31-28} = 0xb; //encoding
|
|
}
|
|
|
|
class SOPPe <bits<7> op> : Enc32 {
|
|
|
|
bits <16> simm16;
|
|
|
|
let Inst{15-0} = simm16;
|
|
let Inst{22-16} = op;
|
|
let Inst{31-23} = 0x17f; // encoding
|
|
}
|
|
|
|
class SMRDe <bits<5> op, bits<1> imm> : Enc32 {
|
|
|
|
bits<7> SDST;
|
|
bits<7> SBASE;
|
|
bits<8> OFFSET;
|
|
|
|
let Inst{7-0} = OFFSET;
|
|
let Inst{8} = imm;
|
|
let Inst{14-9} = SBASE{6-1};
|
|
let Inst{21-15} = SDST;
|
|
let Inst{26-22} = op;
|
|
let Inst{31-27} = 0x18; //encoding
|
|
}
|
|
|
|
class SOP1 <bits<8> op, dag outs, dag ins, string asm, list<dag> pattern> :
|
|
InstSI<outs, ins, asm, pattern>, SOP1e <op> {
|
|
|
|
let mayLoad = 0;
|
|
let mayStore = 0;
|
|
let hasSideEffects = 0;
|
|
let SALU = 1;
|
|
}
|
|
|
|
class SOP2 <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
|
|
InstSI <outs, ins, asm, pattern>, SOP2e<op> {
|
|
|
|
let mayLoad = 0;
|
|
let mayStore = 0;
|
|
let hasSideEffects = 0;
|
|
let SALU = 1;
|
|
}
|
|
|
|
class SOPC <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
|
|
InstSI<outs, ins, asm, pattern>, SOPCe <op> {
|
|
|
|
let DisableEncoding = "$dst";
|
|
let mayLoad = 0;
|
|
let mayStore = 0;
|
|
let hasSideEffects = 0;
|
|
let SALU = 1;
|
|
}
|
|
|
|
class SOPK <bits<5> op, dag outs, dag ins, string asm, list<dag> pattern> :
|
|
InstSI <outs, ins , asm, pattern>, SOPKe<op> {
|
|
|
|
let mayLoad = 0;
|
|
let mayStore = 0;
|
|
let hasSideEffects = 0;
|
|
let SALU = 1;
|
|
}
|
|
|
|
class SOPP <bits<7> op, dag ins, string asm, list<dag> pattern> :
|
|
InstSI <(outs), ins, asm, pattern >, SOPPe <op> {
|
|
|
|
let mayLoad = 0;
|
|
let mayStore = 0;
|
|
let hasSideEffects = 0;
|
|
let SALU = 1;
|
|
}
|
|
|
|
class SMRD <bits<5> op, bits<1> imm, dag outs, dag ins, string asm,
|
|
list<dag> pattern> : InstSI<outs, ins, asm, pattern>, SMRDe<op, imm> {
|
|
|
|
let LGKM_CNT = 1;
|
|
let SMRD = 1;
|
|
let mayStore = 0;
|
|
let mayLoad = 1;
|
|
let UseNamedOperandTable = 1;
|
|
}
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Vector ALU operations
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
class VOP1e <bits<8> op> : Enc32 {
|
|
|
|
bits<8> VDST;
|
|
bits<9> SRC0;
|
|
|
|
let Inst{8-0} = SRC0;
|
|
let Inst{16-9} = op;
|
|
let Inst{24-17} = VDST;
|
|
let Inst{31-25} = 0x3f; //encoding
|
|
}
|
|
|
|
class VOP2e <bits<6> op> : Enc32 {
|
|
|
|
bits<8> VDST;
|
|
bits<9> SRC0;
|
|
bits<8> VSRC1;
|
|
|
|
let Inst{8-0} = SRC0;
|
|
let Inst{16-9} = VSRC1;
|
|
let Inst{24-17} = VDST;
|
|
let Inst{30-25} = op;
|
|
let Inst{31} = 0x0; //encoding
|
|
}
|
|
|
|
class VOP3e <bits<9> op> : Enc64 {
|
|
|
|
bits<8> dst;
|
|
bits<2> src0_modifiers;
|
|
bits<9> src0;
|
|
bits<2> src1_modifiers;
|
|
bits<9> src1;
|
|
bits<2> src2_modifiers;
|
|
bits<9> src2;
|
|
bits<1> clamp;
|
|
bits<2> omod;
|
|
|
|
let Inst{7-0} = dst;
|
|
let Inst{8} = src0_modifiers{1};
|
|
let Inst{9} = src1_modifiers{1};
|
|
let Inst{10} = src2_modifiers{1};
|
|
let Inst{11} = clamp;
|
|
let Inst{25-17} = op;
|
|
let Inst{31-26} = 0x34; //encoding
|
|
let Inst{40-32} = src0;
|
|
let Inst{49-41} = src1;
|
|
let Inst{58-50} = src2;
|
|
let Inst{60-59} = omod;
|
|
let Inst{61} = src0_modifiers{0};
|
|
let Inst{62} = src1_modifiers{0};
|
|
let Inst{63} = src2_modifiers{0};
|
|
}
|
|
|
|
class VOP3be <bits<9> op> : Enc64 {
|
|
|
|
bits<8> dst;
|
|
bits<2> src0_modifiers;
|
|
bits<9> src0;
|
|
bits<2> src1_modifiers;
|
|
bits<9> src1;
|
|
bits<2> src2_modifiers;
|
|
bits<9> src2;
|
|
bits<7> sdst;
|
|
bits<2> omod;
|
|
|
|
let Inst{7-0} = dst;
|
|
let Inst{14-8} = sdst;
|
|
let Inst{25-17} = op;
|
|
let Inst{31-26} = 0x34; //encoding
|
|
let Inst{40-32} = src0;
|
|
let Inst{49-41} = src1;
|
|
let Inst{58-50} = src2;
|
|
let Inst{60-59} = omod;
|
|
let Inst{61} = src0_modifiers{0};
|
|
let Inst{62} = src1_modifiers{0};
|
|
let Inst{63} = src2_modifiers{0};
|
|
}
|
|
|
|
class VOPCe <bits<8> op> : Enc32 {
|
|
|
|
bits<9> SRC0;
|
|
bits<8> VSRC1;
|
|
|
|
let Inst{8-0} = SRC0;
|
|
let Inst{16-9} = VSRC1;
|
|
let Inst{24-17} = op;
|
|
let Inst{31-25} = 0x3e;
|
|
}
|
|
|
|
class VINTRPe <bits<2> op> : Enc32 {
|
|
|
|
bits<8> VDST;
|
|
bits<8> VSRC;
|
|
bits<2> ATTRCHAN;
|
|
bits<6> ATTR;
|
|
|
|
let Inst{7-0} = VSRC;
|
|
let Inst{9-8} = ATTRCHAN;
|
|
let Inst{15-10} = ATTR;
|
|
let Inst{17-16} = op;
|
|
let Inst{25-18} = VDST;
|
|
let Inst{31-26} = 0x32; // encoding
|
|
}
|
|
|
|
class DSe <bits<8> op> : Enc64 {
|
|
|
|
bits<8> vdst;
|
|
bits<1> gds;
|
|
bits<8> addr;
|
|
bits<8> data0;
|
|
bits<8> data1;
|
|
bits<8> offset0;
|
|
bits<8> offset1;
|
|
|
|
let Inst{7-0} = offset0;
|
|
let Inst{15-8} = offset1;
|
|
let Inst{17} = gds;
|
|
let Inst{25-18} = op;
|
|
let Inst{31-26} = 0x36; //encoding
|
|
let Inst{39-32} = addr;
|
|
let Inst{47-40} = data0;
|
|
let Inst{55-48} = data1;
|
|
let Inst{63-56} = vdst;
|
|
}
|
|
|
|
class MUBUFe <bits<7> op> : Enc64 {
|
|
|
|
bits<12> offset;
|
|
bits<1> offen;
|
|
bits<1> idxen;
|
|
bits<1> glc;
|
|
bits<1> addr64;
|
|
bits<1> lds;
|
|
bits<8> vaddr;
|
|
bits<8> vdata;
|
|
bits<7> srsrc;
|
|
bits<1> slc;
|
|
bits<1> tfe;
|
|
bits<8> soffset;
|
|
|
|
let Inst{11-0} = offset;
|
|
let Inst{12} = offen;
|
|
let Inst{13} = idxen;
|
|
let Inst{14} = glc;
|
|
let Inst{15} = addr64;
|
|
let Inst{16} = lds;
|
|
let Inst{24-18} = op;
|
|
let Inst{31-26} = 0x38; //encoding
|
|
let Inst{39-32} = vaddr;
|
|
let Inst{47-40} = vdata;
|
|
let Inst{52-48} = srsrc{6-2};
|
|
let Inst{54} = slc;
|
|
let Inst{55} = tfe;
|
|
let Inst{63-56} = soffset;
|
|
}
|
|
|
|
class MTBUFe <bits<3> op> : Enc64 {
|
|
|
|
bits<8> VDATA;
|
|
bits<12> OFFSET;
|
|
bits<1> OFFEN;
|
|
bits<1> IDXEN;
|
|
bits<1> GLC;
|
|
bits<1> ADDR64;
|
|
bits<4> DFMT;
|
|
bits<3> NFMT;
|
|
bits<8> VADDR;
|
|
bits<7> SRSRC;
|
|
bits<1> SLC;
|
|
bits<1> TFE;
|
|
bits<8> SOFFSET;
|
|
|
|
let Inst{11-0} = OFFSET;
|
|
let Inst{12} = OFFEN;
|
|
let Inst{13} = IDXEN;
|
|
let Inst{14} = GLC;
|
|
let Inst{15} = ADDR64;
|
|
let Inst{18-16} = op;
|
|
let Inst{22-19} = DFMT;
|
|
let Inst{25-23} = NFMT;
|
|
let Inst{31-26} = 0x3a; //encoding
|
|
let Inst{39-32} = VADDR;
|
|
let Inst{47-40} = VDATA;
|
|
let Inst{52-48} = SRSRC{6-2};
|
|
let Inst{54} = SLC;
|
|
let Inst{55} = TFE;
|
|
let Inst{63-56} = SOFFSET;
|
|
}
|
|
|
|
class MIMGe <bits<7> op> : Enc64 {
|
|
|
|
bits<8> VDATA;
|
|
bits<4> DMASK;
|
|
bits<1> UNORM;
|
|
bits<1> GLC;
|
|
bits<1> DA;
|
|
bits<1> R128;
|
|
bits<1> TFE;
|
|
bits<1> LWE;
|
|
bits<1> SLC;
|
|
bits<8> VADDR;
|
|
bits<7> SRSRC;
|
|
bits<7> SSAMP;
|
|
|
|
let Inst{11-8} = DMASK;
|
|
let Inst{12} = UNORM;
|
|
let Inst{13} = GLC;
|
|
let Inst{14} = DA;
|
|
let Inst{15} = R128;
|
|
let Inst{16} = TFE;
|
|
let Inst{17} = LWE;
|
|
let Inst{24-18} = op;
|
|
let Inst{25} = SLC;
|
|
let Inst{31-26} = 0x3c;
|
|
let Inst{39-32} = VADDR;
|
|
let Inst{47-40} = VDATA;
|
|
let Inst{52-48} = SRSRC{6-2};
|
|
let Inst{57-53} = SSAMP{6-2};
|
|
}
|
|
|
|
class EXPe : Enc64 {
|
|
|
|
bits<4> EN;
|
|
bits<6> TGT;
|
|
bits<1> COMPR;
|
|
bits<1> DONE;
|
|
bits<1> VM;
|
|
bits<8> VSRC0;
|
|
bits<8> VSRC1;
|
|
bits<8> VSRC2;
|
|
bits<8> VSRC3;
|
|
|
|
let Inst{3-0} = EN;
|
|
let Inst{9-4} = TGT;
|
|
let Inst{10} = COMPR;
|
|
let Inst{11} = DONE;
|
|
let Inst{12} = VM;
|
|
let Inst{31-26} = 0x3e;
|
|
let Inst{39-32} = VSRC0;
|
|
let Inst{47-40} = VSRC1;
|
|
let Inst{55-48} = VSRC2;
|
|
let Inst{63-56} = VSRC3;
|
|
}
|
|
|
|
let Uses = [EXEC] in {
|
|
|
|
class VOP1 <bits<8> op, dag outs, dag ins, string asm, list<dag> pattern> :
|
|
InstSI <outs, ins, asm, pattern>, VOP1e<op> {
|
|
|
|
let mayLoad = 0;
|
|
let mayStore = 0;
|
|
let hasSideEffects = 0;
|
|
let UseNamedOperandTable = 1;
|
|
let VOP1 = 1;
|
|
}
|
|
|
|
class VOP2 <bits<6> op, dag outs, dag ins, string asm, list<dag> pattern> :
|
|
InstSI <outs, ins, asm, pattern>, VOP2e<op> {
|
|
|
|
let mayLoad = 0;
|
|
let mayStore = 0;
|
|
let hasSideEffects = 0;
|
|
let UseNamedOperandTable = 1;
|
|
let VOP2 = 1;
|
|
}
|
|
|
|
class VOP3 <bits<9> op, dag outs, dag ins, string asm, list<dag> pattern> :
|
|
VOP3Common <outs, ins, asm, pattern>, VOP3e<op>;
|
|
|
|
class VOP3b <bits<9> op, dag outs, dag ins, string asm, list<dag> pattern> :
|
|
VOP3Common <outs, ins, asm, pattern>, VOP3be<op>;
|
|
|
|
class VOPC <bits<8> op, dag ins, string asm, list<dag> pattern> :
|
|
InstSI <(outs VCCReg:$dst), ins, asm, pattern>, VOPCe <op> {
|
|
|
|
let DisableEncoding = "$dst";
|
|
let mayLoad = 0;
|
|
let mayStore = 0;
|
|
let hasSideEffects = 0;
|
|
let UseNamedOperandTable = 1;
|
|
let VOPC = 1;
|
|
}
|
|
|
|
class VINTRP <bits <2> op, dag outs, dag ins, string asm, list<dag> pattern> :
|
|
InstSI <outs, ins, asm, pattern>, VINTRPe<op> {
|
|
|
|
let neverHasSideEffects = 1;
|
|
let mayLoad = 1;
|
|
let mayStore = 0;
|
|
}
|
|
|
|
} // End Uses = [EXEC]
|
|
|
|
//===----------------------------------------------------------------------===//
|
|
// Vector I/O operations
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
let Uses = [EXEC] in {
|
|
|
|
class DS <bits<8> op, dag outs, dag ins, string asm, list<dag> pattern> :
|
|
InstSI <outs, ins, asm, pattern> , DSe<op> {
|
|
|
|
let LGKM_CNT = 1;
|
|
let UseNamedOperandTable = 1;
|
|
}
|
|
|
|
class MUBUF <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
|
|
InstSI<outs, ins, asm, pattern>, MUBUFe <op> {
|
|
|
|
let VM_CNT = 1;
|
|
let EXP_CNT = 1;
|
|
let MUBUF = 1;
|
|
|
|
let neverHasSideEffects = 1;
|
|
let UseNamedOperandTable = 1;
|
|
}
|
|
|
|
class MTBUF <bits<3> op, dag outs, dag ins, string asm, list<dag> pattern> :
|
|
InstSI<outs, ins, asm, pattern>, MTBUFe <op> {
|
|
|
|
let VM_CNT = 1;
|
|
let EXP_CNT = 1;
|
|
let MTBUF = 1;
|
|
|
|
let neverHasSideEffects = 1;
|
|
let UseNamedOperandTable = 1;
|
|
}
|
|
|
|
class MIMG <bits<7> op, dag outs, dag ins, string asm, list<dag> pattern> :
|
|
InstSI <outs, ins, asm, pattern>, MIMGe <op> {
|
|
|
|
let VM_CNT = 1;
|
|
let EXP_CNT = 1;
|
|
let MIMG = 1;
|
|
}
|
|
|
|
def EXP : InstSI<
|
|
(outs),
|
|
(ins i32imm:$en, i32imm:$tgt, i32imm:$compr, i32imm:$done, i32imm:$vm,
|
|
VReg_32:$src0, VReg_32:$src1, VReg_32:$src2, VReg_32:$src3),
|
|
"EXP $en, $tgt, $compr, $done, $vm, $src0, $src1, $src2, $src3",
|
|
[] >, EXPe {
|
|
|
|
let EXP_CNT = 1;
|
|
}
|
|
|
|
} // End Uses = [EXEC]
|