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mesa/src/nouveau/codegen/nv50_ir_emit_gv100.h

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/*
* Copyright 2020 Red Hat Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*/
#ifndef __NV50_IR_EMIT_GV100_H__
#define __NV50_IR_EMIT_GV100_H__
#include "nv50_ir_target_gv100.h"
namespace nv50_ir {
class CodeEmitterGV100 : public CodeEmitter {
public:
CodeEmitterGV100(TargetGV100 *target);
virtual bool emitInstruction(Instruction *);
virtual uint32_t getMinEncodingSize(const Instruction *) const { return 16; }
private:
const Program *prog;
const TargetGV100 *targ;
const Instruction *insn;
virtual void prepareEmission(Program *);
virtual void prepareEmission(Function *);
virtual void prepareEmission(BasicBlock *);
inline void emitInsn(uint32_t op) {
code[0] = op;
code[1] = 0;
code[2] = 0;
code[3] = 0;
if (insn->predSrc >= 0) {
emitField(12, 3, insn->getSrc(insn->predSrc)->rep()->reg.data.id);
emitField(15, 1, insn->cc == CC_NOT_P);
} else {
emitField(12, 3, 7);
}
};
inline void emitField(int b, int s, uint64_t v) {
if (b >= 0) {
uint64_t m = ~0ULL >> (64 - s);
uint64_t d = v & m;
assert(!(v & ~m) || (v & ~m) == ~m);
if (b < 64 && b + s > 64) {
*(uint64_t *)&code[0] |= d << b;
*(uint64_t *)&code[2] |= d >> (64 - b);
} else {
*(uint64_t *)&code[(b/64*2)] |= d << (b & 0x3f);
}
}
};
inline void emitABS(int pos, int src, bool supported)
{
if (insn->src(src).mod.abs()) {
assert(supported);
emitField(pos, 1, 1);
}
}
inline void emitABS(int pos, int src)
{
emitABS(pos, src, true);
}
inline void emitNEG(int pos, int src, bool supported) {
if (insn->src(src).mod.neg()) {
assert(supported);
emitField(pos, 1, 1);
}
}
inline void emitNEG(int pos, int src) {
emitNEG(pos, src, true);
}
inline void emitNOT(int pos) {
emitField(pos, 1, 0);
};
inline void emitNOT(int pos, const ValueRef &ref) {
emitField(pos, 1, !!(ref.mod & Modifier(NV50_IR_MOD_NOT)));
}
inline void emitSAT(int pos) {
emitField(pos, 1, insn->saturate);
}
inline void emitRND(int rmp, RoundMode rnd, int rip) {
int rm = 0, ri = 0;
switch (rnd) {
case ROUND_NI: ri = 1;
case ROUND_N : rm = 0; break;
case ROUND_MI: ri = 1;
case ROUND_M : rm = 1; break;
case ROUND_PI: ri = 1;
case ROUND_P : rm = 2; break;
case ROUND_ZI: ri = 1;
case ROUND_Z : rm = 3; break;
default:
assert(!"invalid round mode");
break;
}
emitField(rip, 1, ri);
emitField(rmp, 2, rm);
}
inline void emitRND(int pos) {
emitRND(pos, insn->rnd, -1);
}
inline void emitFMZ(int pos, int len) {
emitField(pos, len, insn->dnz << 1 | insn->ftz);
}
inline void emitPDIV(int pos) {
emitField(pos, 3, insn->postFactor + 4);
}
inline void emitO(int pos) {
emitField(pos, 1, insn->getSrc(0)->reg.file == FILE_SHADER_OUTPUT);
}
inline void emitP(int pos) {
emitField(pos, 1, insn->perPatch);
}
inline void emitCond3(int pos, CondCode code) {
int data = 0;
switch (code) {
case CC_FL : data = 0x00; break;
case CC_LTU:
case CC_LT : data = 0x01; break;
case CC_EQU:
case CC_EQ : data = 0x02; break;
case CC_LEU:
case CC_LE : data = 0x03; break;
case CC_GTU:
case CC_GT : data = 0x04; break;
case CC_NEU:
case CC_NE : data = 0x05; break;
case CC_GEU:
case CC_GE : data = 0x06; break;
case CC_TR : data = 0x07; break;
default:
assert(!"invalid cond3");
break;
}
emitField(pos, 3, data);
}
inline void emitCond4(int pos, CondCode code) {
int data = 0;
switch (code) {
case CC_FL: data = 0x00; break;
case CC_LT: data = 0x01; break;
case CC_EQ: data = 0x02; break;
case CC_LE: data = 0x03; break;
case CC_GT: data = 0x04; break;
case CC_NE: data = 0x05; break;
case CC_GE: data = 0x06; break;
// case CC_NUM: data = 0x07; break;
// case CC_NAN: data = 0x08; break;
case CC_LTU: data = 0x09; break;
case CC_EQU: data = 0x0a; break;
case CC_LEU: data = 0x0b; break;
case CC_GTU: data = 0x0c; break;
case CC_NEU: data = 0x0d; break;
case CC_GEU: data = 0x0e; break;
case CC_TR: data = 0x0f; break;
default:
assert(!"invalid cond4");
break;
}
emitField(pos, 4, data);
}
inline void emitSYS(int pos, const Value *val) {
int id = val ? val->reg.data.id : -1;
switch (id) {
case SV_LANEID : id = 0x00; break;
case SV_VERTEX_COUNT : id = 0x10; break;
case SV_INVOCATION_ID : id = 0x11; break;
case SV_THREAD_KILL : id = 0x13; break;
case SV_INVOCATION_INFO: id = 0x1d; break;
case SV_COMBINED_TID : id = 0x20; break;
case SV_TID : id = 0x21 + val->reg.data.sv.index; break;
case SV_CTAID : id = 0x25 + val->reg.data.sv.index; break;
case SV_LANEMASK_EQ : id = 0x38; break;
case SV_LANEMASK_LT : id = 0x39; break;
case SV_LANEMASK_LE : id = 0x3a; break;
case SV_LANEMASK_GT : id = 0x3b; break;
case SV_LANEMASK_GE : id = 0x3c; break;
case SV_CLOCK : id = 0x50 + val->reg.data.sv.index; break;
default:
assert(!"invalid system value");
id = 0;
break;
}
emitField(pos, 8, id);
}
inline void emitSYS(int pos, const ValueRef &ref) {
emitSYS(pos, ref.get() ? ref.rep() : (const Value *)NULL);
}
inline void emitBTS(int pos, const Value *val) {
if (val->inFile(FILE_THREAD_STATE)) {
TSSemantic ts = val->reg.data.ts == TS_PQUAD_MACTIVE ? TS_MACTIVE : val->reg.data.ts;
emitField(pos, 5, ts | 0x10);
} else {
emitField(pos, 5, val->reg.data.id);
}
}
inline void emitBTS(int pos, const ValueRef &ref) {
emitBTS(pos, ref.get() ? ref.rep() : (const Value *)NULL);
}
inline void emitBTS(int pos, const ValueDef &def) {
emitBTS(pos, def.get() ? def.rep() : (const Value *)NULL);
}
inline void emitGPR(int pos, const Value *val, int off) {
emitField(pos, 8, val && !val->inFile(FILE_FLAGS) ?
val->reg.data.id + off: 255);
}
inline void emitGPR(int pos, const Value *v) {
emitGPR(pos, v, 0);
}
inline void emitGPR(int pos) {
emitGPR(pos, (const Value *)NULL);
}
inline void emitGPR(int pos, const ValueRef &ref) {
emitGPR(pos, ref.get() ? ref.rep() : (const Value *)NULL);
}
inline void emitGPR(int pos, const ValueRef *ref) {
emitGPR(pos, ref ? ref->rep() : (const Value *)NULL);
}
inline void emitGPR(int pos, const ValueDef &def) {
emitGPR(pos, def.get() ? def.rep() : (const Value *)NULL);
}
inline void emitGPR(int pos, const ValueDef &def, int off) {
emitGPR(pos, def.get() ? def.rep() : (const Value *)NULL, off);
}
inline void emitPRED(int pos, const Value *val) {
emitField(pos, 3, val ? val->reg.data.id : 7);
};
inline void emitPRED(int pos) {
emitPRED(pos, (const Value *)NULL);
}
inline void emitPRED(int pos, const ValueRef &ref) {
emitPRED(pos, ref.get() ? ref.rep() : (const Value *)NULL);
}
inline void emitPRED(int pos, const ValueDef &def) {
emitPRED(pos, def.get() ? def.rep() : (const Value *)NULL);
}
inline void emitCBUF(int buf, int gpr, int off, int len, int align,
const ValueRef &ref) {
const Value *v = ref.get();
const Symbol *s = v->asSym();
assert(!(s->reg.data.offset & ((1 << align) - 1)));
emitField(buf, 5, v->reg.fileIndex);
if (gpr >= 0)
emitGPR(gpr, ref.getIndirect(0));
emitField(off, 16, s->reg.data.offset);
}
inline void emitIMMD(int pos, int len, const ValueRef &ref) {
const ImmediateValue *imm = ref.get()->asImm();
uint32_t val = imm->reg.data.u32;
if (insn->sType == TYPE_F64) {
assert(!(imm->reg.data.u64 & 0x00000000ffffffffULL));
val = imm->reg.data.u64 >> 32;
}
emitField(pos, len, val);
}
inline void emitADDR(int gpr, int off, int len, int shr,
const ValueRef &ref) {
const Value *v = ref.get();
assert(!(v->reg.data.offset & ((1 << shr) - 1)));
if (gpr >= 0)
emitGPR(gpr, ref.getIndirect(0));
emitField(off, len, v->reg.data.offset >> shr);
}
inline void emitFormA(uint16_t op, uint8_t forms, int src0, int src1, int src2);
inline void emitFormA_RRR(uint16_t op, int src1, int src2);
inline void emitFormA_RRI(uint16_t op, int src1, int src2);
inline void emitFormA_RRC(uint16_t op, int src1, int src2);
inline void emitFormA_I32(int src);
void emitBRA();
void emitEXIT();
void emitKILL();
void emitNOP();
void emitWARPSYNC();
void emitCS2R();
void emitF2F();
void emitF2I();
void emitFRND();
void emitI2F();
void emitMOV();
void emitPRMT();
void emitS2R();
void emitSEL();
void emitSHFL();
void emitFADD();
void emitFFMA();
void emitFMNMX();
void emitFMUL();
void emitFSET_BF();
void emitFSETP();
void emitFSWZADD();
void emitMUFU();
void emitDADD();
void emitDFMA();
void emitDMUL();
void emitDSETP();
void emitBMSK();
void emitBREV();
void emitFLO();
void emitIABS();
void emitIADD3();
void emitIMAD();
void emitIMAD_WIDE();
void emitISETP();
void emitLEA();
void emitLOP3_LUT();
void emitPOPC();
void emitSGXT();
void emitSHF();
void emitALD();
void emitAST();
void emitATOM();
void emitATOMS();
void emitIPA();
void emitISBERD();
void emitLDSTc(int, int);
void emitLDSTs(int, DataType);
void emitLD();
void emitLDC();
void emitLDL();
void emitLDS();
void emitOUT();
void emitRED();
void emitST();
void emitSTL();
void emitSTS();
void emitTEXs(int);
void emitTEX();
void emitTLD();
void emitTLD4();
void emitTMML();
void emitTXD();
void emitTXQ();
void emitSUHandle(const int);
void emitSUTarget();
void emitSUATOM();
void emitSULD();
void emitSUST();
void emitAL2P();
void emitBAR();
void emitCCTL();
void emitMEMBAR();
void emitPIXLD();
void emitPLOP3_LUT();
void emitVOTE();
};
};
#endif
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