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fuchsia/third_party/mesa/a9db8ac93508701d5681a7273460084939386ed7/./src/gallium/drivers/nouveau/codegen/nv50_ir_emit_gm107.cpp
blob: b1e9f941fe86edf6802a06cbf4cc2defde230d47 [file]
/*
* Copyright 2014 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.
*
* Authors: Ben Skeggs <bskeggs@redhat.com>
*/
#include "codegen/nv50_ir_target_gm107.h"
//#define GM107_DEBUG_SCHED_DATA
namespace nv50_ir {
class CodeEmitterGM107 : public CodeEmitter
{
public:
CodeEmitterGM107(const TargetGM107 *);
virtual bool emitInstruction(Instruction *);
virtual uint32_t getMinEncodingSize(const Instruction *) const;
virtual void prepareEmission(Program *);
virtual void prepareEmission(Function *);
inline void setProgramType(Program::Type pType) { progType = pType; }
private:
const TargetGM107 *targGM107;
Program::Type progType;
const Instruction *insn;
const bool writeIssueDelays;
uint32_t *data;
private:
inline void emitField(uint32_t *, int, int, uint32_t);
inline void emitField(int b, int s, uint32_t v) { emitField(code, b, s, v); }
inline void emitInsn(uint32_t, bool);
inline void emitInsn(uint32_t o) { emitInsn(o, true); }
inline void emitPred();
inline void emitGPR(int, const Value *);
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 emitSYS(int, const Value *);
inline void emitSYS(int pos, const ValueRef &ref) {
emitSYS(pos, ref.get() ? ref.rep() : (const Value *)NULL);
}
inline void emitPRED(int, const Value *);
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 emitADDR(int, int, int, int, const ValueRef &);
inline void emitCBUF(int, int, int, int, int, const ValueRef &);
inline bool longIMMD(const ValueRef &);
inline void emitIMMD(int, int, const ValueRef &);
void emitCond3(int, CondCode);
void emitCond4(int, CondCode);
void emitCond5(int pos, CondCode cc) { emitCond4(pos, cc); }
inline void emitO(int);
inline void emitP(int);
inline void emitSAT(int);
inline void emitCC(int);
inline void emitX(int);
inline void emitABS(int, const ValueRef &);
inline void emitNEG(int, const ValueRef &);
inline void emitNEG2(int, const ValueRef &, const ValueRef &);
inline void emitFMZ(int, int);
inline void emitRND(int, RoundMode, int);
inline void emitRND(int pos) {
emitRND(pos, insn->rnd, -1);
}
inline void emitPDIV(int);
inline void emitINV(int, const ValueRef &);
void emitEXIT();
void emitBRA();
void emitCAL();
void emitPCNT();
void emitCONT();
void emitPBK();
void emitBRK();
void emitPRET();
void emitRET();
void emitSSY();
void emitSYNC();
void emitSAM();
void emitRAM();
void emitMOV();
void emitS2R();
void emitF2F();
void emitF2I();
void emitI2F();
void emitI2I();
void emitSEL();
void emitSHFL();
void emitDADD();
void emitDMUL();
void emitDFMA();
void emitDMNMX();
void emitDSET();
void emitDSETP();
void emitFADD();
void emitFMUL();
void emitFFMA();
void emitMUFU();
void emitFMNMX();
void emitRRO();
void emitFCMP();
void emitFSET();
void emitFSETP();
void emitFSWZADD();
void emitLOP();
void emitNOT();
void emitIADD();
void emitIMUL();
void emitIMAD();
void emitISCADD();
void emitIMNMX();
void emitICMP();
void emitISET();
void emitISETP();
void emitSHL();
void emitSHR();
void emitSHF();
void emitPOPC();
void emitBFI();
void emitBFE();
void emitFLO();
void emitLDSTs(int, DataType);
void emitLDSTc(int);
void emitLDC();
void emitLDL();
void emitLDS();
void emitLD();
void emitSTL();
void emitSTS();
void emitST();
void emitALD();
void emitAST();
void emitISBERD();
void emitAL2P();
void emitIPA();
void emitATOM();
void emitATOMS();
void emitRED();
void emitCCTL();
void emitPIXLD();
void emitTEXs(int);
void emitTEX();
void emitTLD();
void emitTLD4();
void emitTXD();
void emitTXQ();
void emitTMML();
void emitDEPBAR();
void emitNOP();
void emitKIL();
void emitOUT();
void emitBAR();
void emitMEMBAR();
void emitVOTE();
void emitSUTarget();
void emitSUHandle(const int s);
void emitSUSTx();
void emitSULDx();
void emitSUREDx();
};
/*******************************************************************************
* general instruction layout/fields
******************************************************************************/
void
CodeEmitterGM107::emitField(uint32_t *data, int b, int s, uint32_t v)
{
if (b >= 0) {
uint32_t m = ((1ULL << s) - 1);
uint64_t d = (uint64_t)(v & m) << b;
assert(!(v & ~m) || (v & ~m) == ~m);
data[1] |= d >> 32;
data[0] |= d;
}
}
void
CodeEmitterGM107::emitPred()
{
if (insn->predSrc >= 0) {
emitField(16, 3, insn->getSrc(insn->predSrc)->rep()->reg.data.id);
emitField(19, 1, insn->cc == CC_NOT_P);
} else {
emitField(16, 3, 7);
}
}
void
CodeEmitterGM107::emitInsn(uint32_t hi, bool pred)
{
code[0] = 0x00000000;
code[1] = hi;
if (pred)
emitPred();
}
void
CodeEmitterGM107::emitGPR(int pos, const Value *val)
{
emitField(pos, 8, val && !val->inFile(FILE_FLAGS) ?
val->reg.data.id : 255);
}
void
CodeEmitterGM107::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_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);
}
void
CodeEmitterGM107::emitPRED(int pos, const Value *val)
{
emitField(pos, 3, val ? val->reg.data.id : 7);
}
void
CodeEmitterGM107::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);
}
void
CodeEmitterGM107::emitCBUF(int buf, int gpr, int off, int len, int shr,
const ValueRef &ref)
{
const Value *v = ref.get();
const Symbol *s = v->asSym();
assert(!(s->reg.data.offset & ((1 << shr) - 1)));
emitField(buf, 5, v->reg.fileIndex);
if (gpr >= 0)
emitGPR(gpr, ref.getIndirect(0));
emitField(off, 16, s->reg.data.offset >> shr);
}
bool
CodeEmitterGM107::longIMMD(const ValueRef &ref)
{
if (ref.getFile() == FILE_IMMEDIATE) {
const ImmediateValue *imm = ref.get()->asImm();
if (isFloatType(insn->sType)) {
if ((imm->reg.data.u32 & 0x00000fff) != 0x00000000)
return true;
} else {
if ((imm->reg.data.u32 & 0xfff00000) != 0x00000000 &&
(imm->reg.data.u32 & 0xfff00000) != 0xfff00000)
return true;
}
}
return false;
}
void
CodeEmitterGM107::emitIMMD(int pos, int len, const ValueRef &ref)
{
const ImmediateValue *imm = ref.get()->asImm();
uint32_t val = imm->reg.data.u32;
if (len == 19) {
if (insn->sType == TYPE_F32 || insn->sType == TYPE_F16) {
assert(!(val & 0x00000fff));
val >>= 12;
} else if (insn->sType == TYPE_F64) {
assert(!(imm->reg.data.u64 & 0x00000fffffffffffULL));
val = imm->reg.data.u64 >> 44;
}
assert(!(val & 0xfff00000) || (val & 0xfff00000) == 0xfff00000);
emitField( 56, 1, (val & 0x80000) >> 19);
emitField(pos, len, (val & 0x7ffff));
} else {
emitField(pos, len, val);
}
}
/*******************************************************************************
* modifiers
******************************************************************************/
void
CodeEmitterGM107::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);
}
void
CodeEmitterGM107::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);
}
void
CodeEmitterGM107::emitO(int pos)
{
emitField(pos, 1, insn->getSrc(0)->reg.file == FILE_SHADER_OUTPUT);
}
void
CodeEmitterGM107::emitP(int pos)
{
emitField(pos, 1, insn->perPatch);
}
void
CodeEmitterGM107::emitSAT(int pos)
{
emitField(pos, 1, insn->saturate);
}
void
CodeEmitterGM107::emitCC(int pos)
{
emitField(pos, 1, insn->flagsDef >= 0);
}
void
CodeEmitterGM107::emitX(int pos)
{
emitField(pos, 1, insn->flagsSrc >= 0);
}
void
CodeEmitterGM107::emitABS(int pos, const ValueRef &ref)
{
emitField(pos, 1, ref.mod.abs());
}
void
CodeEmitterGM107::emitNEG(int pos, const ValueRef &ref)
{
emitField(pos, 1, ref.mod.neg());
}
void
CodeEmitterGM107::emitNEG2(int pos, const ValueRef &a, const ValueRef &b)
{
emitField(pos, 1, a.mod.neg() ^ b.mod.neg());
}
void
CodeEmitterGM107::emitFMZ(int pos, int len)
{
emitField(pos, len, insn->dnz << 1 | insn->ftz);
}
void
CodeEmitterGM107::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);
}
void
CodeEmitterGM107::emitPDIV(int pos)
{
assert(insn->postFactor >= -3 && insn->postFactor <= 3);
if (insn->postFactor > 0)
emitField(pos, 3, 7 - insn->postFactor);
else
emitField(pos, 3, 0 - insn->postFactor);
}
void
CodeEmitterGM107::emitINV(int pos, const ValueRef &ref)
{
emitField(pos, 1, !!(ref.mod & Modifier(NV50_IR_MOD_NOT)));
}
/*******************************************************************************
* control flow
******************************************************************************/
void
CodeEmitterGM107::emitEXIT()
{
emitInsn (0xe3000000);
emitCond5(0x00, CC_TR);
}
void
CodeEmitterGM107::emitBRA()
{
const FlowInstruction *insn = this->insn->asFlow();
int gpr = -1;
if (insn->indirect) {
if (insn->absolute)
emitInsn(0xe2000000); // JMX
else
emitInsn(0xe2500000); // BRX
gpr = 0x08;
} else {
if (insn->absolute)
emitInsn(0xe2100000); // JMP
else
emitInsn(0xe2400000); // BRA
emitField(0x07, 1, insn->allWarp);
}
emitField(0x06, 1, insn->limit);
emitCond5(0x00, CC_TR);
if (!insn->srcExists(0) || insn->src(0).getFile() != FILE_MEMORY_CONST) {
int32_t pos = insn->target.bb->binPos;
if (writeIssueDelays && !(pos & 0x1f))
pos += 8;
if (!insn->absolute)
emitField(0x14, 24, pos - (codeSize + 8));
else
emitField(0x14, 32, pos);
} else {
emitCBUF (0x24, gpr, 20, 16, 0, insn->src(0));
emitField(0x05, 1, 1);
}
}
void
CodeEmitterGM107::emitCAL()
{
const FlowInstruction *insn = this->insn->asFlow();
if (insn->absolute) {
emitInsn(0xe2200000, 0); // JCAL
} else {
emitInsn(0xe2600000, 0); // CAL
}
if (!insn->srcExists(0) || insn->src(0).getFile() != FILE_MEMORY_CONST) {
if (!insn->absolute)
emitField(0x14, 24, insn->target.bb->binPos - (codeSize + 8));
else {
if (insn->builtin) {
int pcAbs = targGM107->getBuiltinOffset(insn->target.builtin);
addReloc(RelocEntry::TYPE_BUILTIN, 0, pcAbs, 0xfff00000, 20);
addReloc(RelocEntry::TYPE_BUILTIN, 1, pcAbs, 0x000fffff, -12);
} else {
emitField(0x14, 32, insn->target.bb->binPos);
}
}
} else {
emitCBUF (0x24, -1, 20, 16, 0, insn->src(0));
emitField(0x05, 1, 1);
}
}
void
CodeEmitterGM107::emitPCNT()
{
const FlowInstruction *insn = this->insn->asFlow();
emitInsn(0xe2b00000, 0);
if (!insn->srcExists(0) || insn->src(0).getFile() != FILE_MEMORY_CONST) {
emitField(0x14, 24, insn->target.bb->binPos - (codeSize + 8));
} else {
emitCBUF (0x24, -1, 20, 16, 0, insn->src(0));
emitField(0x05, 1, 1);
}
}
void
CodeEmitterGM107::emitCONT()
{
emitInsn (0xe3500000);
emitCond5(0x00, CC_TR);
}
void
CodeEmitterGM107::emitPBK()
{
const FlowInstruction *insn = this->insn->asFlow();
emitInsn(0xe2a00000, 0);
if (!insn->srcExists(0) || insn->src(0).getFile() != FILE_MEMORY_CONST) {
emitField(0x14, 24, insn->target.bb->binPos - (codeSize + 8));
} else {
emitCBUF (0x24, -1, 20, 16, 0, insn->src(0));
emitField(0x05, 1, 1);
}
}
void
CodeEmitterGM107::emitBRK()
{
emitInsn (0xe3400000);
emitCond5(0x00, CC_TR);
}
void
CodeEmitterGM107::emitPRET()
{
const FlowInstruction *insn = this->insn->asFlow();
emitInsn(0xe2700000, 0);
if (!insn->srcExists(0) || insn->src(0).getFile() != FILE_MEMORY_CONST) {
emitField(0x14, 24, insn->target.bb->binPos - (codeSize + 8));
} else {
emitCBUF (0x24, -1, 20, 16, 0, insn->src(0));
emitField(0x05, 1, 1);
}
}
void
CodeEmitterGM107::emitRET()
{
emitInsn (0xe3200000);
emitCond5(0x00, CC_TR);
}
void
CodeEmitterGM107::emitSSY()
{
const FlowInstruction *insn = this->insn->asFlow();
emitInsn(0xe2900000, 0);
if (!insn->srcExists(0) || insn->src(0).getFile() != FILE_MEMORY_CONST) {
emitField(0x14, 24, insn->target.bb->binPos - (codeSize + 8));
} else {
emitCBUF (0x24, -1, 20, 16, 0, insn->src(0));
emitField(0x05, 1, 1);
}
}
void
CodeEmitterGM107::emitSYNC()
{
emitInsn (0xf0f80000);
emitCond5(0x00, CC_TR);
}
void
CodeEmitterGM107::emitSAM()
{
emitInsn(0xe3700000, 0);
}
void
CodeEmitterGM107::emitRAM()
{
emitInsn(0xe3800000, 0);
}
/*******************************************************************************
* predicate/cc
******************************************************************************/
/*******************************************************************************
* movement / conversion
******************************************************************************/
void
CodeEmitterGM107::emitMOV()
{
if (insn->src(0).getFile() != FILE_IMMEDIATE) {
switch (insn->src(0).getFile()) {
case FILE_GPR:
if (insn->def(0).getFile() == FILE_PREDICATE) {
emitInsn(0x5b6a0000);
emitGPR (0x08);
} else {
emitInsn(0x5c980000);
}
emitGPR (0x14, insn->src(0));
break;
case FILE_MEMORY_CONST:
emitInsn(0x4c980000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(0));
break;
case FILE_IMMEDIATE:
emitInsn(0x38980000);
emitIMMD(0x14, 19, insn->src(0));
break;
case FILE_PREDICATE:
emitInsn(0x50880000);
emitPRED(0x0c, insn->src(0));
emitPRED(0x1d);
emitPRED(0x27);
break;
default:
assert(!"bad src file");
break;
}
if (insn->def(0).getFile() != FILE_PREDICATE &&
insn->src(0).getFile() != FILE_PREDICATE)
emitField(0x27, 4, insn->lanes);
} else {
emitInsn (0x01000000);
emitIMMD (0x14, 32, insn->src(0));
emitField(0x0c, 4, insn->lanes);
}
if (insn->def(0).getFile() == FILE_PREDICATE) {
emitPRED(0x27);
emitPRED(0x03, insn->def(0));
emitPRED(0x00);
} else {
emitGPR(0x00, insn->def(0));
}
}
void
CodeEmitterGM107::emitS2R()
{
emitInsn(0xf0c80000);
emitSYS (0x14, insn->src(0));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitF2F()
{
RoundMode rnd = insn->rnd;
switch (insn->op) {
case OP_FLOOR: rnd = ROUND_MI; break;
case OP_CEIL : rnd = ROUND_PI; break;
case OP_TRUNC: rnd = ROUND_ZI; break;
default:
break;
}
switch (insn->src(0).getFile()) {
case FILE_GPR:
emitInsn(0x5ca80000);
emitGPR (0x14, insn->src(0));
break;
case FILE_MEMORY_CONST:
emitInsn(0x4ca80000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(0));
break;
case FILE_IMMEDIATE:
emitInsn(0x38a80000);
emitIMMD(0x14, 19, insn->src(0));
break;
default:
assert(!"bad src0 file");
break;
}
emitField(0x32, 1, (insn->op == OP_SAT) || insn->saturate);
emitField(0x31, 1, (insn->op == OP_ABS) || insn->src(0).mod.abs());
emitCC (0x2f);
emitField(0x2d, 1, (insn->op == OP_NEG) || insn->src(0).mod.neg());
emitFMZ (0x2c, 1);
emitField(0x29, 1, insn->subOp);
emitRND (0x27, rnd, 0x2a);
emitField(0x0a, 2, util_logbase2(typeSizeof(insn->sType)));
emitField(0x08, 2, util_logbase2(typeSizeof(insn->dType)));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitF2I()
{
RoundMode rnd = insn->rnd;
switch (insn->op) {
case OP_FLOOR: rnd = ROUND_M; break;
case OP_CEIL : rnd = ROUND_P; break;
case OP_TRUNC: rnd = ROUND_Z; break;
default:
break;
}
switch (insn->src(0).getFile()) {
case FILE_GPR:
emitInsn(0x5cb00000);
emitGPR (0x14, insn->src(0));
break;
case FILE_MEMORY_CONST:
emitInsn(0x4cb00000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(0));
break;
case FILE_IMMEDIATE:
emitInsn(0x38b00000);
emitIMMD(0x14, 19, insn->src(0));
break;
default:
assert(!"bad src0 file");
break;
}
emitField(0x31, 1, (insn->op == OP_ABS) || insn->src(0).mod.abs());
emitCC (0x2f);
emitField(0x2d, 1, (insn->op == OP_NEG) || insn->src(0).mod.neg());
emitFMZ (0x2c, 1);
emitRND (0x27, rnd, 0x2a);
emitField(0x0c, 1, isSignedType(insn->dType));
emitField(0x0a, 2, util_logbase2(typeSizeof(insn->sType)));
emitField(0x08, 2, util_logbase2(typeSizeof(insn->dType)));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitI2F()
{
RoundMode rnd = insn->rnd;
switch (insn->op) {
case OP_FLOOR: rnd = ROUND_M; break;
case OP_CEIL : rnd = ROUND_P; break;
case OP_TRUNC: rnd = ROUND_Z; break;
default:
break;
}
switch (insn->src(0).getFile()) {
case FILE_GPR:
emitInsn(0x5cb80000);
emitGPR (0x14, insn->src(0));
break;
case FILE_MEMORY_CONST:
emitInsn(0x4cb80000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(0));
break;
case FILE_IMMEDIATE:
emitInsn(0x38b80000);
emitIMMD(0x14, 19, insn->src(0));
break;
default:
assert(!"bad src0 file");
break;
}
emitField(0x31, 1, (insn->op == OP_ABS) || insn->src(0).mod.abs());
emitCC (0x2f);
emitField(0x2d, 1, (insn->op == OP_NEG) || insn->src(0).mod.neg());
emitField(0x29, 2, insn->subOp);
emitRND (0x27, rnd, -1);
emitField(0x0d, 1, isSignedType(insn->sType));
emitField(0x0a, 2, util_logbase2(typeSizeof(insn->sType)));
emitField(0x08, 2, util_logbase2(typeSizeof(insn->dType)));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitI2I()
{
switch (insn->src(0).getFile()) {
case FILE_GPR:
emitInsn(0x5ce00000);
emitGPR (0x14, insn->src(0));
break;
case FILE_MEMORY_CONST:
emitInsn(0x4ce00000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(0));
break;
case FILE_IMMEDIATE:
emitInsn(0x38e00000);
emitIMMD(0x14, 19, insn->src(0));
break;
default:
assert(!"bad src0 file");
break;
}
emitSAT (0x32);
emitField(0x31, 1, (insn->op == OP_ABS) || insn->src(0).mod.abs());
emitCC (0x2f);
emitField(0x2d, 1, (insn->op == OP_NEG) || insn->src(0).mod.neg());
emitField(0x29, 2, insn->subOp);
emitField(0x0d, 1, isSignedType(insn->sType));
emitField(0x0c, 1, isSignedType(insn->dType));
emitField(0x0a, 2, util_logbase2(typeSizeof(insn->sType)));
emitField(0x08, 2, util_logbase2(typeSizeof(insn->dType)));
emitGPR (0x00, insn->def(0));
}
static void
selpFlip(const FixupEntry *entry, uint32_t *code, const FixupData& data)
{
int loc = entry->loc;
if (data.force_persample_interp)
code[loc + 1] |= 1 << 10;
else
code[loc + 1] &= ~(1 << 10);
}
void
CodeEmitterGM107::emitSEL()
{
switch (insn->src(1).getFile()) {
case FILE_GPR:
emitInsn(0x5ca00000);
emitGPR (0x14, insn->src(1));
break;
case FILE_MEMORY_CONST:
emitInsn(0x4ca00000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(1));
break;
case FILE_IMMEDIATE:
emitInsn(0x38a00000);
emitIMMD(0x14, 19, insn->src(1));
break;
default:
assert(!"bad src1 file");
break;
}
emitINV (0x2a, insn->src(2));
emitPRED(0x27, insn->src(2));
emitGPR (0x08, insn->src(0));
emitGPR (0x00, insn->def(0));
if (insn->subOp == 1) {
addInterp(0, 0, selpFlip);
}
}
void
CodeEmitterGM107::emitSHFL()
{
int type = 0;
emitInsn (0xef100000);
switch (insn->src(1).getFile()) {
case FILE_GPR:
emitGPR(0x14, insn->src(1));
break;
case FILE_IMMEDIATE:
emitIMMD(0x14, 5, insn->src(1));
type |= 1;
break;
default:
assert(!"invalid src1 file");
break;
}
switch (insn->src(2).getFile()) {
case FILE_GPR:
emitGPR(0x27, insn->src(2));
break;
case FILE_IMMEDIATE:
emitIMMD(0x22, 13, insn->src(2));
type |= 2;
break;
default:
assert(!"invalid src2 file");
break;
}
if (!insn->defExists(1))
emitPRED(0x30);
else {
assert(insn->def(1).getFile() == FILE_PREDICATE);
emitPRED(0x30, insn->def(1));
}
emitField(0x1e, 2, insn->subOp);
emitField(0x1c, 2, type);
emitGPR (0x08, insn->src(0));
emitGPR (0x00, insn->def(0));
}
/*******************************************************************************
* double
******************************************************************************/
void
CodeEmitterGM107::emitDADD()
{
switch (insn->src(1).getFile()) {
case FILE_GPR:
emitInsn(0x5c700000);
emitGPR (0x14, insn->src(1));
break;
case FILE_MEMORY_CONST:
emitInsn(0x4c700000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(1));
break;
case FILE_IMMEDIATE:
emitInsn(0x38700000);
emitIMMD(0x14, 19, insn->src(1));
break;
default:
assert(!"bad src1 file");
break;
}
emitABS(0x31, insn->src(1));
emitNEG(0x30, insn->src(0));
emitCC (0x2f);
emitABS(0x2e, insn->src(0));
emitNEG(0x2d, insn->src(1));
if (insn->op == OP_SUB)
code[1] ^= 0x00002000;
emitGPR(0x08, insn->src(0));
emitGPR(0x00, insn->def(0));
}
void
CodeEmitterGM107::emitDMUL()
{
switch (insn->src(1).getFile()) {
case FILE_GPR:
emitInsn(0x5c800000);
emitGPR (0x14, insn->src(1));
break;
case FILE_MEMORY_CONST:
emitInsn(0x4c800000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(1));
break;
case FILE_IMMEDIATE:
emitInsn(0x38800000);
emitIMMD(0x14, 19, insn->src(1));
break;
default:
assert(!"bad src1 file");
break;
}
emitNEG2(0x30, insn->src(0), insn->src(1));
emitCC (0x2f);
emitRND (0x27);
emitGPR (0x08, insn->src(0));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitDFMA()
{
switch(insn->src(2).getFile()) {
case FILE_GPR:
switch (insn->src(1).getFile()) {
case FILE_GPR:
emitInsn(0x5b700000);
emitGPR (0x14, insn->src(1));
break;
case FILE_MEMORY_CONST:
emitInsn(0x4b700000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(1));
break;
case FILE_IMMEDIATE:
emitInsn(0x36700000);
emitIMMD(0x14, 19, insn->src(1));
break;
default:
assert(!"bad src1 file");
break;
}
emitGPR (0x27, insn->src(2));
break;
case FILE_MEMORY_CONST:
emitInsn(0x53700000);
emitGPR (0x27, insn->src(1));
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(2));
break;
default:
assert(!"bad src2 file");
break;
}
emitRND (0x32);
emitNEG (0x31, insn->src(2));
emitNEG2(0x30, insn->src(0), insn->src(1));
emitCC (0x2f);
emitGPR (0x08, insn->src(0));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitDMNMX()
{
switch (insn->src(1).getFile()) {
case FILE_GPR:
emitInsn(0x5c500000);
emitGPR (0x14, insn->src(1));
break;
case FILE_MEMORY_CONST:
emitInsn(0x4c500000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(1));
break;
case FILE_IMMEDIATE:
emitInsn(0x38500000);
emitIMMD(0x14, 19, insn->src(1));
break;
default:
assert(!"bad src1 file");
break;
}
emitABS (0x31, insn->src(1));
emitNEG (0x30, insn->src(0));
emitCC (0x2f);
emitABS (0x2e, insn->src(0));
emitNEG (0x2d, insn->src(1));
emitField(0x2a, 1, insn->op == OP_MAX);
emitPRED (0x27);
emitGPR (0x08, insn->src(0));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitDSET()
{
const CmpInstruction *insn = this->insn->asCmp();
switch (insn->src(1).getFile()) {
case FILE_GPR:
emitInsn(0x59000000);
emitGPR (0x14, insn->src(1));
break;
case FILE_MEMORY_CONST:
emitInsn(0x49000000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(1));
break;
case FILE_IMMEDIATE:
emitInsn(0x32000000);
emitIMMD(0x14, 19, insn->src(1));
break;
default:
assert(!"bad src1 file");
break;
}
if (insn->op != OP_SET) {
switch (insn->op) {
case OP_SET_AND: emitField(0x2d, 2, 0); break;
case OP_SET_OR : emitField(0x2d, 2, 1); break;
case OP_SET_XOR: emitField(0x2d, 2, 2); break;
default:
assert(!"invalid set op");
break;
}
emitPRED(0x27, insn->src(2));
} else {
emitPRED(0x27);
}
emitABS (0x36, insn->src(0));
emitNEG (0x35, insn->src(1));
emitField(0x34, 1, insn->dType == TYPE_F32);
emitCond4(0x30, insn->setCond);
emitCC (0x2f);
emitABS (0x2c, insn->src(1));
emitNEG (0x2b, insn->src(0));
emitGPR (0x08, insn->src(0));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitDSETP()
{
const CmpInstruction *insn = this->insn->asCmp();
switch (insn->src(1).getFile()) {
case FILE_GPR:
emitInsn(0x5b800000);
emitGPR (0x14, insn->src(1));
break;
case FILE_MEMORY_CONST:
emitInsn(0x4b800000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(1));
break;
case FILE_IMMEDIATE:
emitInsn(0x36800000);
emitIMMD(0x14, 19, insn->src(1));
break;
default:
assert(!"bad src1 file");
break;
}
if (insn->op != OP_SET) {
switch (insn->op) {
case OP_SET_AND: emitField(0x2d, 2, 0); break;
case OP_SET_OR : emitField(0x2d, 2, 1); break;
case OP_SET_XOR: emitField(0x2d, 2, 2); break;
default:
assert(!"invalid set op");
break;
}
emitPRED(0x27, insn->src(2));
} else {
emitPRED(0x27);
}
emitCond4(0x30, insn->setCond);
emitABS (0x2c, insn->src(1));
emitNEG (0x2b, insn->src(0));
emitGPR (0x08, insn->src(0));
emitABS (0x07, insn->src(0));
emitNEG (0x06, insn->src(1));
emitPRED (0x03, insn->def(0));
if (insn->defExists(1))
emitPRED(0x00, insn->def(1));
else
emitPRED(0x00);
}
/*******************************************************************************
* float
******************************************************************************/
void
CodeEmitterGM107::emitFADD()
{
if (!longIMMD(insn->src(1))) {
switch (insn->src(1).getFile()) {
case FILE_GPR:
emitInsn(0x5c580000);
emitGPR (0x14, insn->src(1));
break;
case FILE_MEMORY_CONST:
emitInsn(0x4c580000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(1));
break;
case FILE_IMMEDIATE:
emitInsn(0x38580000);
emitIMMD(0x14, 19, insn->src(1));
break;
default:
assert(!"bad src1 file");
break;
}
emitSAT(0x32);
emitABS(0x31, insn->src(1));
emitNEG(0x30, insn->src(0));
emitCC (0x2f);
emitABS(0x2e, insn->src(0));
emitNEG(0x2d, insn->src(1));
emitFMZ(0x2c, 1);
if (insn->op == OP_SUB)
code[1] ^= 0x00002000;
} else {
emitInsn(0x08000000);
emitABS(0x39, insn->src(1));
emitNEG(0x38, insn->src(0));
emitFMZ(0x37, 1);
emitABS(0x36, insn->src(0));
emitNEG(0x35, insn->src(1));
emitCC (0x34);
emitIMMD(0x14, 32, insn->src(1));
if (insn->op == OP_SUB)
code[1] ^= 0x00080000;
}
emitGPR(0x08, insn->src(0));
emitGPR(0x00, insn->def(0));
}
void
CodeEmitterGM107::emitFMUL()
{
if (!longIMMD(insn->src(1))) {
switch (insn->src(1).getFile()) {
case FILE_GPR:
emitInsn(0x5c680000);
emitGPR (0x14, insn->src(1));
break;
case FILE_MEMORY_CONST:
emitInsn(0x4c680000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(1));
break;
case FILE_IMMEDIATE:
emitInsn(0x38680000);
emitIMMD(0x14, 19, insn->src(1));
break;
default:
assert(!"bad src1 file");
break;
}
emitSAT (0x32);
emitNEG2(0x30, insn->src(0), insn->src(1));
emitCC (0x2f);
emitFMZ (0x2c, 2);
emitPDIV(0x29);
emitRND (0x27);
} else {
emitInsn(0x1e000000);
emitSAT (0x37);
emitFMZ (0x35, 2);
emitCC (0x34);
emitIMMD(0x14, 32, insn->src(1));
if (insn->src(0).mod.neg() ^ insn->src(1).mod.neg())
code[1] ^= 0x00080000; /* flip immd sign bit */
}
emitGPR(0x08, insn->src(0));
emitGPR(0x00, insn->def(0));
}
void
CodeEmitterGM107::emitFFMA()
{
bool isLongIMMD = false;
switch(insn->src(2).getFile()) {
case FILE_GPR:
switch (insn->src(1).getFile()) {
case FILE_GPR:
emitInsn(0x59800000);
emitGPR (0x14, insn->src(1));
break;
case FILE_MEMORY_CONST:
emitInsn(0x49800000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(1));
break;
case FILE_IMMEDIATE:
if (longIMMD(insn->getSrc(1))) {
assert(insn->getDef(0)->reg.data.id == insn->getSrc(2)->reg.data.id);
isLongIMMD = true;
emitInsn(0x0c000000);
emitIMMD(0x14, 32, insn->src(1));
} else {
emitInsn(0x32800000);
emitIMMD(0x14, 19, insn->src(1));
}
break;
default:
assert(!"bad src1 file");
break;
}
if (!isLongIMMD)
emitGPR (0x27, insn->src(2));
break;
case FILE_MEMORY_CONST:
emitInsn(0x51800000);
emitGPR (0x27, insn->src(1));
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(2));
break;
default:
assert(!"bad src2 file");
break;
}
if (isLongIMMD) {
emitNEG (0x39, insn->src(2));
emitNEG2(0x38, insn->src(0), insn->src(1));
emitSAT (0x37);
emitCC (0x34);
} else {
emitRND (0x33);
emitSAT (0x32);
emitNEG (0x31, insn->src(2));
emitNEG2(0x30, insn->src(0), insn->src(1));
emitCC (0x2f);
}
emitFMZ(0x35, 2);
emitGPR(0x08, insn->src(0));
emitGPR(0x00, insn->def(0));
}
void
CodeEmitterGM107::emitMUFU()
{
int mufu = 0;
switch (insn->op) {
case OP_COS: mufu = 0; break;
case OP_SIN: mufu = 1; break;
case OP_EX2: mufu = 2; break;
case OP_LG2: mufu = 3; break;
case OP_RCP: mufu = 4 + 2 * insn->subOp; break;
case OP_RSQ: mufu = 5 + 2 * insn->subOp; break;
default:
assert(!"invalid mufu");
break;
}
emitInsn (0x50800000);
emitSAT (0x32);
emitNEG (0x30, insn->src(0));
emitABS (0x2e, insn->src(0));
emitField(0x14, 3, mufu);
emitGPR (0x08, insn->src(0));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitFMNMX()
{
switch (insn->src(1).getFile()) {
case FILE_GPR:
emitInsn(0x5c600000);
emitGPR (0x14, insn->src(1));
break;
case FILE_MEMORY_CONST:
emitInsn(0x4c600000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(1));
break;
case FILE_IMMEDIATE:
emitInsn(0x38600000);
emitIMMD(0x14, 19, insn->src(1));
break;
default:
assert(!"bad src1 file");
break;
}
emitField(0x2a, 1, insn->op == OP_MAX);
emitPRED (0x27);
emitABS(0x31, insn->src(1));
emitNEG(0x30, insn->src(0));
emitCC (0x2f);
emitABS(0x2e, insn->src(0));
emitNEG(0x2d, insn->src(1));
emitFMZ(0x2c, 1);
emitGPR(0x08, insn->src(0));
emitGPR(0x00, insn->def(0));
}
void
CodeEmitterGM107::emitRRO()
{
switch (insn->src(0).getFile()) {
case FILE_GPR:
emitInsn(0x5c900000);
emitGPR (0x14, insn->src(0));
break;
case FILE_MEMORY_CONST:
emitInsn(0x4c900000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(0));
break;
case FILE_IMMEDIATE:
emitInsn(0x38900000);
emitIMMD(0x14, 19, insn->src(0));
break;
default:
assert(!"bad src file");
break;
}
emitABS (0x31, insn->src(0));
emitNEG (0x2d, insn->src(0));
emitField(0x27, 1, insn->op == OP_PREEX2);
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitFCMP()
{
const CmpInstruction *insn = this->insn->asCmp();
CondCode cc = insn->setCond;
if (insn->src(2).mod.neg())
cc = reverseCondCode(cc);
switch(insn->src(2).getFile()) {
case FILE_GPR:
switch (insn->src(1).getFile()) {
case FILE_GPR:
emitInsn(0x5ba00000);
emitGPR (0x14, insn->src(1));
break;
case FILE_MEMORY_CONST:
emitInsn(0x4ba00000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(1));
break;
case FILE_IMMEDIATE:
emitInsn(0x36a00000);
emitIMMD(0x14, 19, insn->src(1));
break;
default:
assert(!"bad src1 file");
break;
}
emitGPR (0x27, insn->src(2));
break;
case FILE_MEMORY_CONST:
emitInsn(0x53a00000);
emitGPR (0x27, insn->src(1));
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(2));
break;
default:
assert(!"bad src2 file");
break;
}
emitCond4(0x30, cc);
emitFMZ (0x2f, 1);
emitGPR (0x08, insn->src(0));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitFSET()
{
const CmpInstruction *insn = this->insn->asCmp();
switch (insn->src(1).getFile()) {
case FILE_GPR:
emitInsn(0x58000000);
emitGPR (0x14, insn->src(1));
break;
case FILE_MEMORY_CONST:
emitInsn(0x48000000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(1));
break;
case FILE_IMMEDIATE:
emitInsn(0x30000000);
emitIMMD(0x14, 19, insn->src(1));
break;
default:
assert(!"bad src1 file");
break;
}
if (insn->op != OP_SET) {
switch (insn->op) {
case OP_SET_AND: emitField(0x2d, 2, 0); break;
case OP_SET_OR : emitField(0x2d, 2, 1); break;
case OP_SET_XOR: emitField(0x2d, 2, 2); break;
default:
assert(!"invalid set op");
break;
}
emitPRED(0x27, insn->src(2));
} else {
emitPRED(0x27);
}
emitFMZ (0x37, 1);
emitABS (0x36, insn->src(0));
emitNEG (0x35, insn->src(1));
emitField(0x34, 1, insn->dType == TYPE_F32);
emitCond4(0x30, insn->setCond);
emitCC (0x2f);
emitABS (0x2c, insn->src(1));
emitNEG (0x2b, insn->src(0));
emitGPR (0x08, insn->src(0));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitFSETP()
{
const CmpInstruction *insn = this->insn->asCmp();
switch (insn->src(1).getFile()) {
case FILE_GPR:
emitInsn(0x5bb00000);
emitGPR (0x14, insn->src(1));
break;
case FILE_MEMORY_CONST:
emitInsn(0x4bb00000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(1));
break;
case FILE_IMMEDIATE:
emitInsn(0x36b00000);
emitIMMD(0x14, 19, insn->src(1));
break;
default:
assert(!"bad src1 file");
break;
}
if (insn->op != OP_SET) {
switch (insn->op) {
case OP_SET_AND: emitField(0x2d, 2, 0); break;
case OP_SET_OR : emitField(0x2d, 2, 1); break;
case OP_SET_XOR: emitField(0x2d, 2, 2); break;
default:
assert(!"invalid set op");
break;
}
emitPRED(0x27, insn->src(2));
} else {
emitPRED(0x27);
}
emitCond4(0x30, insn->setCond);
emitFMZ (0x2f, 1);
emitABS (0x2c, insn->src(1));
emitNEG (0x2b, insn->src(0));
emitGPR (0x08, insn->src(0));
emitABS (0x07, insn->src(0));
emitNEG (0x06, insn->src(1));
emitPRED (0x03, insn->def(0));
if (insn->defExists(1))
emitPRED(0x00, insn->def(1));
else
emitPRED(0x00);
}
void
CodeEmitterGM107::emitFSWZADD()
{
emitInsn (0x50f80000);
emitCC (0x2f);
emitFMZ (0x2c, 1);
emitRND (0x27);
emitField(0x26, 1, insn->lanes); /* abused for .ndv */
emitField(0x1c, 8, insn->subOp);
if (insn->predSrc != 1)
emitGPR (0x14, insn->src(1));
else
emitGPR (0x14);
emitGPR (0x08, insn->src(0));
emitGPR (0x00, insn->def(0));
}
/*******************************************************************************
* integer
******************************************************************************/
void
CodeEmitterGM107::emitLOP()
{
int lop = 0;
switch (insn->op) {
case OP_AND: lop = 0; break;
case OP_OR : lop = 1; break;
case OP_XOR: lop = 2; break;
default:
assert(!"invalid lop");
break;
}
if (insn->src(1).getFile() != FILE_IMMEDIATE) {
switch (insn->src(1).getFile()) {
case FILE_GPR:
emitInsn(0x5c400000);
emitGPR (0x14, insn->src(1));
break;
case FILE_MEMORY_CONST:
emitInsn(0x4c400000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(1));
break;
case FILE_IMMEDIATE:
emitInsn(0x38400000);
emitIMMD(0x14, 19, insn->src(1));
break;
default:
assert(!"bad src1 file");
break;
}
emitPRED (0x30);
emitCC (0x2f);
emitX (0x2b);
emitField(0x29, 2, lop);
emitINV (0x28, insn->src(1));
emitINV (0x27, insn->src(0));
} else {
emitInsn (0x04000000);
emitX (0x39);
emitINV (0x38, insn->src(1));
emitINV (0x37, insn->src(0));
emitField(0x35, 2, lop);
emitCC (0x34);
emitIMMD (0x14, 32, insn->src(1));
}
emitGPR (0x08, insn->src(0));
emitGPR (0x00, insn->def(0));
}
/* special-case of emitLOP(): lop pass_b dst 0 ~src */
void
CodeEmitterGM107::emitNOT()
{
if (!longIMMD(insn->src(0))) {
switch (insn->src(0).getFile()) {
case FILE_GPR:
emitInsn(0x5c400700);
emitGPR (0x14, insn->src(0));
break;
case FILE_MEMORY_CONST:
emitInsn(0x4c400700);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(0));
break;
case FILE_IMMEDIATE:
emitInsn(0x38400700);
emitIMMD(0x14, 19, insn->src(0));
break;
default:
assert(!"bad src1 file");
break;
}
emitPRED (0x30);
} else {
emitInsn (0x05600000);
emitIMMD (0x14, 32, insn->src(1));
}
emitGPR(0x08);
emitGPR(0x00, insn->def(0));
}
void
CodeEmitterGM107::emitIADD()
{
if (insn->src(1).getFile() != FILE_IMMEDIATE) {
switch (insn->src(1).getFile()) {
case FILE_GPR:
emitInsn(0x5c100000);
emitGPR (0x14, insn->src(1));
break;
case FILE_MEMORY_CONST:
emitInsn(0x4c100000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(1));
break;
case FILE_IMMEDIATE:
emitInsn(0x38100000);
emitIMMD(0x14, 19, insn->src(1));
break;
default:
assert(!"bad src1 file");
break;
}
emitSAT(0x32);
emitNEG(0x31, insn->src(0));
emitNEG(0x30, insn->src(1));
emitCC (0x2f);
emitX (0x2b);
} else {
emitInsn(0x1c000000);
emitNEG (0x38, insn->src(0));
emitSAT (0x36);
emitX (0x35);
emitCC (0x34);
emitIMMD(0x14, 32, insn->src(1));
}
if (insn->op == OP_SUB)
code[1] ^= 0x00010000;
emitGPR(0x08, insn->src(0));
emitGPR(0x00, insn->def(0));
}
void
CodeEmitterGM107::emitIMUL()
{
if (insn->src(1).getFile() != FILE_IMMEDIATE) {
switch (insn->src(1).getFile()) {
case FILE_GPR:
emitInsn(0x5c380000);
emitGPR (0x14, insn->src(1));
break;
case FILE_MEMORY_CONST:
emitInsn(0x4c380000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(1));
break;
case FILE_IMMEDIATE:
emitInsn(0x38380000);
emitIMMD(0x14, 19, insn->src(1));
break;
default:
assert(!"bad src1 file");
break;
}
emitCC (0x2f);
emitField(0x29, 1, isSignedType(insn->sType));
emitField(0x28, 1, isSignedType(insn->dType));
emitField(0x27, 1, insn->subOp == NV50_IR_SUBOP_MUL_HIGH);
} else {
emitInsn (0x1f000000);
emitField(0x37, 1, isSignedType(insn->sType));
emitField(0x36, 1, isSignedType(insn->dType));
emitField(0x35, 1, insn->subOp == NV50_IR_SUBOP_MUL_HIGH);
emitCC (0x34);
emitIMMD (0x14, 32, insn->src(1));
}
emitGPR(0x08, insn->src(0));
emitGPR(0x00, insn->def(0));
}
void
CodeEmitterGM107::emitIMAD()
{
/*XXX: imad32i exists, but not using it as third src overlaps dst */
switch(insn->src(2).getFile()) {
case FILE_GPR:
switch (insn->src(1).getFile()) {
case FILE_GPR:
emitInsn(0x5a000000);
emitGPR (0x14, insn->src(1));
break;
case FILE_MEMORY_CONST:
emitInsn(0x4a000000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(1));
break;
case FILE_IMMEDIATE:
emitInsn(0x34000000);
emitIMMD(0x14, 19, insn->src(1));
break;
default:
assert(!"bad src1 file");
break;
}
emitGPR (0x27, insn->src(2));
break;
case FILE_MEMORY_CONST:
emitInsn(0x52000000);
emitGPR (0x27, insn->src(1));
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(2));
break;
default:
assert(!"bad src2 file");
break;
}
emitField(0x36, 1, insn->subOp == NV50_IR_SUBOP_MUL_HIGH);
emitField(0x35, 1, isSignedType(insn->sType));
emitNEG (0x34, insn->src(2));
emitNEG2 (0x33, insn->src(0), insn->src(1));
emitSAT (0x32);
emitX (0x31);
emitField(0x30, 1, isSignedType(insn->dType));
emitCC (0x2f);
emitGPR (0x08, insn->src(0));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitISCADD()
{
assert(insn->src(1).get()->asImm());
switch (insn->src(2).getFile()) {
case FILE_GPR:
emitInsn(0x5c180000);
emitGPR (0x14, insn->src(2));
break;
case FILE_MEMORY_CONST:
emitInsn(0x4c180000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(2));
break;
case FILE_IMMEDIATE:
emitInsn(0x38180000);
emitIMMD(0x14, 19, insn->src(2));
break;
default:
assert(!"bad src1 file");
break;
}
emitNEG (0x31, insn->src(0));
emitNEG (0x30, insn->src(2));
emitCC (0x2f);
emitIMMD(0x27, 5, insn->src(1));
emitGPR (0x08, insn->src(0));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitIMNMX()
{
switch (insn->src(1).getFile()) {
case FILE_GPR:
emitInsn(0x5c200000);
emitGPR (0x14, insn->src(1));
break;
case FILE_MEMORY_CONST:
emitInsn(0x4c200000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(1));
break;
case FILE_IMMEDIATE:
emitInsn(0x38200000);
emitIMMD(0x14, 19, insn->src(1));
break;
default:
assert(!"bad src1 file");
break;
}
emitField(0x30, 1, isSignedType(insn->dType));
emitCC (0x2f);
emitField(0x2b, 2, insn->subOp);
emitField(0x2a, 1, insn->op == OP_MAX);
emitPRED (0x27);
emitGPR (0x08, insn->src(0));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitICMP()
{
const CmpInstruction *insn = this->insn->asCmp();
CondCode cc = insn->setCond;
if (insn->src(2).mod.neg())
cc = reverseCondCode(cc);
switch(insn->src(2).getFile()) {
case FILE_GPR:
switch (insn->src(1).getFile()) {
case FILE_GPR:
emitInsn(0x5b400000);
emitGPR (0x14, insn->src(1));
break;
case FILE_MEMORY_CONST:
emitInsn(0x4b400000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(1));
break;
case FILE_IMMEDIATE:
emitInsn(0x36400000);
emitIMMD(0x14, 19, insn->src(1));
break;
default:
assert(!"bad src1 file");
break;
}
emitGPR (0x27, insn->src(2));
break;
case FILE_MEMORY_CONST:
emitInsn(0x53400000);
emitGPR (0x27, insn->src(1));
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(2));
break;
default:
assert(!"bad src2 file");
break;
}
emitCond3(0x31, cc);
emitField(0x30, 1, isSignedType(insn->sType));
emitGPR (0x08, insn->src(0));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitISET()
{
const CmpInstruction *insn = this->insn->asCmp();
switch (insn->src(1).getFile()) {
case FILE_GPR:
emitInsn(0x5b500000);
emitGPR (0x14, insn->src(1));
break;
case FILE_MEMORY_CONST:
emitInsn(0x4b500000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(1));
break;
case FILE_IMMEDIATE:
emitInsn(0x36500000);
emitIMMD(0x14, 19, insn->src(1));
break;
default:
assert(!"bad src1 file");
break;
}
if (insn->op != OP_SET) {
switch (insn->op) {
case OP_SET_AND: emitField(0x2d, 2, 0); break;
case OP_SET_OR : emitField(0x2d, 2, 1); break;
case OP_SET_XOR: emitField(0x2d, 2, 2); break;
default:
assert(!"invalid set op");
break;
}
emitPRED(0x27, insn->src(2));
} else {
emitPRED(0x27);
}
emitCond3(0x31, insn->setCond);
emitField(0x30, 1, isSignedType(insn->sType));
emitCC (0x2f);
emitField(0x2c, 1, insn->dType == TYPE_F32);
emitX (0x2b);
emitGPR (0x08, insn->src(0));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitISETP()
{
const CmpInstruction *insn = this->insn->asCmp();
switch (insn->src(1).getFile()) {
case FILE_GPR:
emitInsn(0x5b600000);
emitGPR (0x14, insn->src(1));
break;
case FILE_MEMORY_CONST:
emitInsn(0x4b600000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(1));
break;
case FILE_IMMEDIATE:
emitInsn(0x36600000);
emitIMMD(0x14, 19, insn->src(1));
break;
default:
assert(!"bad src1 file");
break;
}
if (insn->op != OP_SET) {
switch (insn->op) {
case OP_SET_AND: emitField(0x2d, 2, 0); break;
case OP_SET_OR : emitField(0x2d, 2, 1); break;
case OP_SET_XOR: emitField(0x2d, 2, 2); break;
default:
assert(!"invalid set op");
break;
}
emitPRED(0x27, insn->src(2));
} else {
emitPRED(0x27);
}
emitCond3(0x31, insn->setCond);
emitField(0x30, 1, isSignedType(insn->sType));
emitX (0x2b);
emitGPR (0x08, insn->src(0));
emitPRED (0x03, insn->def(0));
if (insn->defExists(1))
emitPRED(0x00, insn->def(1));
else
emitPRED(0x00);
}
void
CodeEmitterGM107::emitSHL()
{
switch (insn->src(1).getFile()) {
case FILE_GPR:
emitInsn(0x5c480000);
emitGPR (0x14, insn->src(1));
break;
case FILE_MEMORY_CONST:
emitInsn(0x4c480000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(1));
break;
case FILE_IMMEDIATE:
emitInsn(0x38480000);
emitIMMD(0x14, 19, insn->src(1));
break;
default:
assert(!"bad src1 file");
break;
}
emitCC (0x2f);
emitX (0x2b);
emitField(0x27, 1, insn->subOp == NV50_IR_SUBOP_SHIFT_WRAP);
emitGPR (0x08, insn->src(0));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitSHR()
{
switch (insn->src(1).getFile()) {
case FILE_GPR:
emitInsn(0x5c280000);
emitGPR (0x14, insn->src(1));
break;
case FILE_MEMORY_CONST:
emitInsn(0x4c280000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(1));
break;
case FILE_IMMEDIATE:
emitInsn(0x38280000);
emitIMMD(0x14, 19, insn->src(1));
break;
default:
assert(!"bad src1 file");
break;
}
emitField(0x30, 1, isSignedType(insn->dType));
emitCC (0x2f);
emitX (0x2c);
emitField(0x27, 1, insn->subOp == NV50_IR_SUBOP_SHIFT_WRAP);
emitGPR (0x08, insn->src(0));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitSHF()
{
unsigned type;
switch (insn->src(1).getFile()) {
case FILE_GPR:
emitInsn(insn->op == OP_SHL ? 0x5bf80000 : 0x5cf80000);
emitGPR(0x14, insn->src(1));
break;
case FILE_IMMEDIATE:
emitInsn(insn->op == OP_SHL ? 0x36f80000 : 0x38f80000);
emitIMMD(0x14, 19, insn->src(1));
break;
default:
assert(!"bad src1 file");
break;
}
switch (insn->sType) {
case TYPE_U64:
type = 2;
break;
case TYPE_S64:
type = 3;
break;
default:
type = 0;
break;
}
emitField(0x32, 1, !!(insn->subOp & NV50_IR_SUBOP_SHIFT_WRAP));
emitX (0x31);
emitField(0x30, 1, !!(insn->subOp & NV50_IR_SUBOP_SHIFT_HIGH));
emitCC (0x2f);
emitGPR (0x27, insn->src(2));
emitField(0x25, 2, type);
emitGPR (0x08, insn->src(0));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitPOPC()
{
switch (insn->src(0).getFile()) {
case FILE_GPR:
emitInsn(0x5c080000);
emitGPR (0x14, insn->src(0));
break;
case FILE_MEMORY_CONST:
emitInsn(0x4c080000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(0));
break;
case FILE_IMMEDIATE:
emitInsn(0x38080000);
emitIMMD(0x14, 19, insn->src(0));
break;
default:
assert(!"bad src1 file");
break;
}
emitINV(0x28, insn->src(0));
emitGPR(0x00, insn->def(0));
}
void
CodeEmitterGM107::emitBFI()
{
switch(insn->src(2).getFile()) {
case FILE_GPR:
switch (insn->src(1).getFile()) {
case FILE_GPR:
emitInsn(0x5bf00000);
emitGPR (0x14, insn->src(1));
break;
case FILE_MEMORY_CONST:
emitInsn(0x4bf00000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(1));
break;
case FILE_IMMEDIATE:
emitInsn(0x36f00000);
emitIMMD(0x14, 19, insn->src(1));
break;
default:
assert(!"bad src1 file");
break;
}
emitGPR (0x27, insn->src(2));
break;
case FILE_MEMORY_CONST:
emitInsn(0x53f00000);
emitGPR (0x27, insn->src(1));
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(2));
break;
default:
assert(!"bad src2 file");
break;
}
emitCC (0x2f);
emitGPR (0x08, insn->src(0));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitBFE()
{
switch (insn->src(1).getFile()) {
case FILE_GPR:
emitInsn(0x5c000000);
emitGPR (0x14, insn->src(1));
break;
case FILE_MEMORY_CONST:
emitInsn(0x4c000000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(1));
break;
case FILE_IMMEDIATE:
emitInsn(0x38000000);
emitIMMD(0x14, 19, insn->src(1));
break;
default:
assert(!"bad src1 file");
break;
}
emitField(0x30, 1, isSignedType(insn->dType));
emitCC (0x2f);
emitField(0x28, 1, insn->subOp == NV50_IR_SUBOP_EXTBF_REV);
emitGPR (0x08, insn->src(0));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitFLO()
{
switch (insn->src(0).getFile()) {
case FILE_GPR:
emitInsn(0x5c300000);
emitGPR (0x14, insn->src(0));
break;
case FILE_MEMORY_CONST:
emitInsn(0x4c300000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(0));
break;
case FILE_IMMEDIATE:
emitInsn(0x38300000);
emitIMMD(0x14, 19, insn->src(0));
break;
default:
assert(!"bad src1 file");
break;
}
emitField(0x30, 1, isSignedType(insn->dType));
emitCC (0x2f);
emitField(0x29, 1, insn->subOp == NV50_IR_SUBOP_BFIND_SAMT);
emitINV (0x28, insn->src(0));
emitGPR (0x00, insn->def(0));
}
/*******************************************************************************
* memory
******************************************************************************/
void
CodeEmitterGM107::emitLDSTs(int pos, DataType type)
{
int data = 0;
switch (typeSizeof(type)) {
case 1: data = isSignedType(type) ? 1 : 0; break;
case 2: data = isSignedType(type) ? 3 : 2; break;
case 4: data = 4; break;
case 8: data = 5; break;
case 16: data = 6; break;
default:
assert(!"bad type");
break;
}
emitField(pos, 3, data);
}
void
CodeEmitterGM107::emitLDSTc(int pos)
{
int mode = 0;
switch (insn->cache) {
case CACHE_CA: mode = 0; break;
case CACHE_CG: mode = 1; break;
case CACHE_CS: mode = 2; break;
case CACHE_CV: mode = 3; break;
default:
assert(!"invalid caching mode");
break;
}
emitField(pos, 2, mode);
}
void
CodeEmitterGM107::emitLDC()
{
emitInsn (0xef900000);
emitLDSTs(0x30, insn->dType);
emitField(0x2c, 2, insn->subOp);
emitCBUF (0x24, 0x08, 0x14, 16, 0, insn->src(0));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitLDL()
{
emitInsn (0xef400000);
emitLDSTs(0x30, insn->dType);
emitLDSTc(0x2c);
emitADDR (0x08, 0x14, 24, 0, insn->src(0));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitLDS()
{
emitInsn (0xef480000);
emitLDSTs(0x30, insn->dType);
emitADDR (0x08, 0x14, 24, 0, insn->src(0));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitLD()
{
emitInsn (0x80000000);
emitPRED (0x3a);
emitLDSTc(0x38);
emitLDSTs(0x35, insn->dType);
emitField(0x34, 1, insn->src(0).getIndirect(0)->getSize() == 8);
emitADDR (0x08, 0x14, 32, 0, insn->src(0));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitSTL()
{
emitInsn (0xef500000);
emitLDSTs(0x30, insn->dType);
emitLDSTc(0x2c);
emitADDR (0x08, 0x14, 24, 0, insn->src(0));
emitGPR (0x00, insn->src(1));
}
void
CodeEmitterGM107::emitSTS()
{
emitInsn (0xef580000);
emitLDSTs(0x30, insn->dType);
emitADDR (0x08, 0x14, 24, 0, insn->src(0));
emitGPR (0x00, insn->src(1));
}
void
CodeEmitterGM107::emitST()
{
emitInsn (0xa0000000);
emitPRED (0x3a);
emitLDSTc(0x38);
emitLDSTs(0x35, insn->dType);
emitField(0x34, 1, insn->src(0).getIndirect(0)->getSize() == 8);
emitADDR (0x08, 0x14, 32, 0, insn->src(0));
emitGPR (0x00, insn->src(1));
}
void
CodeEmitterGM107::emitALD()
{
emitInsn (0xefd80000);
emitField(0x2f, 2, (insn->getDef(0)->reg.size / 4) - 1);
emitGPR (0x27, insn->src(0).getIndirect(1));
emitO (0x20);
emitP (0x1f);
emitADDR (0x08, 20, 10, 0, insn->src(0));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitAST()
{
emitInsn (0xeff00000);
emitField(0x2f, 2, (typeSizeof(insn->dType) / 4) - 1);
emitGPR (0x27, insn->src(0).getIndirect(1));
emitP (0x1f);
emitADDR (0x08, 20, 10, 0, insn->src(0));
emitGPR (0x00, insn->src(1));
}
void
CodeEmitterGM107::emitISBERD()
{
emitInsn(0xefd00000);
emitGPR (0x08, insn->src(0));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitAL2P()
{
emitInsn (0xefa00000);
emitField(0x2f, 2, (insn->getDef(0)->reg.size / 4) - 1);
emitPRED (0x2c);
emitO (0x20);
emitField(0x14, 11, insn->src(0).get()->reg.data.offset);
emitGPR (0x08, insn->src(0).getIndirect(0));
emitGPR (0x00, insn->def(0));
}
static void
interpApply(const FixupEntry *entry, uint32_t *code, const FixupData& data)
{
int ipa = entry->ipa;
int reg = entry->reg;
int loc = entry->loc;
if (data.flatshade &&
(ipa & NV50_IR_INTERP_MODE_MASK) == NV50_IR_INTERP_SC) {
ipa = NV50_IR_INTERP_FLAT;
reg = 0xff;
} else if (data.force_persample_interp &&
(ipa & NV50_IR_INTERP_SAMPLE_MASK) == NV50_IR_INTERP_DEFAULT &&
(ipa & NV50_IR_INTERP_MODE_MASK) != NV50_IR_INTERP_FLAT) {
ipa |= NV50_IR_INTERP_CENTROID;
}
code[loc + 1] &= ~(0xf << 0x14);
code[loc + 1] |= (ipa & 0x3) << 0x16;
code[loc + 1] |= (ipa & 0xc) << (0x14 - 2);
code[loc + 0] &= ~(0xff << 0x14);
code[loc + 0] |= reg << 0x14;
}
void
CodeEmitterGM107::emitIPA()
{
int ipam = 0, ipas = 0;
switch (insn->getInterpMode()) {
case NV50_IR_INTERP_LINEAR : ipam = 0; break;
case NV50_IR_INTERP_PERSPECTIVE: ipam = 1; break;
case NV50_IR_INTERP_FLAT : ipam = 2; break;
case NV50_IR_INTERP_SC : ipam = 3; break;
default:
assert(!"invalid ipa mode");
break;
}
switch (insn->getSampleMode()) {
case NV50_IR_INTERP_DEFAULT : ipas = 0; break;
case NV50_IR_INTERP_CENTROID: ipas = 1; break;
case NV50_IR_INTERP_OFFSET : ipas = 2; break;
default:
assert(!"invalid ipa sample mode");
break;
}
emitInsn (0xe0000000);
emitField(0x36, 2, ipam);
emitField(0x34, 2, ipas);
emitSAT (0x33);
emitField(0x2f, 3, 7);
emitADDR (0x08, 0x1c, 10, 0, insn->src(0));
if ((code[0] & 0x0000ff00) != 0x0000ff00)
code[1] |= 0x00000040; /* .idx */
emitGPR(0x00, insn->def(0));
if (insn->op == OP_PINTERP) {
emitGPR(0x14, insn->src(1));
if (insn->getSampleMode() == NV50_IR_INTERP_OFFSET)
emitGPR(0x27, insn->src(2));
addInterp(insn->ipa, insn->getSrc(1)->reg.data.id, interpApply);
} else {
if (insn->getSampleMode() == NV50_IR_INTERP_OFFSET)
emitGPR(0x27, insn->src(1));
emitGPR(0x14);
addInterp(insn->ipa, 0xff, interpApply);
}
if (insn->getSampleMode() != NV50_IR_INTERP_OFFSET)
emitGPR(0x27);
}
void
CodeEmitterGM107::emitATOM()
{
unsigned dType, subOp;
if (insn->subOp == NV50_IR_SUBOP_ATOM_CAS) {
switch (insn->dType) {
case TYPE_U32: dType = 0; break;
case TYPE_U64: dType = 1; break;
default: assert(!"unexpected dType"); dType = 0; break;
}
subOp = 15;
emitInsn (0xee000000);
} else {
switch (insn->dType) {
case TYPE_U32: dType = 0; break;
case TYPE_S32: dType = 1; break;
case TYPE_U64: dType = 2; break;
case TYPE_F32: dType = 3; break;
case TYPE_B128: dType = 4; break;
case TYPE_S64: dType = 5; break;
default: assert(!"unexpected dType"); dType = 0; break;
}
if (insn->subOp == NV50_IR_SUBOP_ATOM_EXCH)
subOp = 8;
else
subOp = insn->subOp;
emitInsn (0xed000000);
}
emitField(0x34, 4, subOp);
emitField(0x31, 3, dType);
emitField(0x30, 1, insn->src(0).getIndirect(0)->getSize() == 8);
emitGPR (0x14, insn->src(1));
emitADDR (0x08, 0x1c, 20, 0, insn->src(0));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitATOMS()
{
unsigned dType, subOp;
if (insn->subOp == NV50_IR_SUBOP_ATOM_CAS) {
switch (insn->dType) {
case TYPE_U32: dType = 0; break;
case TYPE_U64: dType = 1; break;
default: assert(!"unexpected dType"); dType = 0; break;
}
subOp = 4;
emitInsn (0xee000000);
emitField(0x34, 1, dType);
} else {
switch (insn->dType) {
case TYPE_U32: dType = 0; break;
case TYPE_S32: dType = 1; break;
case TYPE_U64: dType = 2; break;
case TYPE_S64: dType = 3; break;
default: assert(!"unexpected dType"); dType = 0; break;
}
if (insn->subOp == NV50_IR_SUBOP_ATOM_EXCH)
subOp = 8;
else
subOp = insn->subOp;
emitInsn (0xec000000);
emitField(0x1c, 3, dType);
}
emitField(0x34, 4, subOp);
emitGPR (0x14, insn->src(1));
emitADDR (0x08, 0x1e, 22, 2, insn->src(0));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitRED()
{
unsigned dType;
switch (insn->dType) {
case TYPE_U32: dType = 0; break;
case TYPE_S32: dType = 1; break;
case TYPE_U64: dType = 2; break;
case TYPE_F32: dType = 3; break;
case TYPE_B128: dType = 4; break;
case TYPE_S64: dType = 5; break;
default: assert(!"unexpected dType"); dType = 0; break;
}
emitInsn (0xebf80000);
emitField(0x30, 1, insn->src(0).getIndirect(0)->getSize() == 8);
emitField(0x17, 3, insn->subOp);
emitField(0x14, 3, dType);
emitADDR (0x08, 0x1c, 20, 0, insn->src(0));
emitGPR (0x00, insn->src(1));
}
void
CodeEmitterGM107::emitCCTL()
{
unsigned width;
if (insn->src(0).getFile() == FILE_MEMORY_GLOBAL) {
emitInsn(0xef600000);
width = 30;
} else {
emitInsn(0xef800000);
width = 22;
}
emitField(0x34, 1, insn->src(0).getIndirect(0)->getSize() == 8);
emitADDR (0x08, 0x16, width, 2, insn->src(0));
emitField(0x00, 4, insn->subOp);
}
/*******************************************************************************
* surface
******************************************************************************/
void
CodeEmitterGM107::emitPIXLD()
{
emitInsn (0xefe80000);
emitPRED (0x2d);
emitField(0x1f, 3, insn->subOp);
emitGPR (0x08, insn->src(0));
emitGPR (0x00, insn->def(0));
}
/*******************************************************************************
* texture
******************************************************************************/
void
CodeEmitterGM107::emitTEXs(int pos)
{
int src1 = insn->predSrc == 1 ? 2 : 1;
if (insn->srcExists(src1))
emitGPR(pos, insn->src(src1));
else
emitGPR(pos);
}
void
CodeEmitterGM107::emitTEX()
{
const TexInstruction *insn = this->insn->asTex();
int lodm = 0;
if (!insn->tex.levelZero) {
switch (insn->op) {
case OP_TEX: lodm = 0; break;
case OP_TXB: lodm = 2; break;
case OP_TXL: lodm = 3; break;
default:
assert(!"invalid tex op");
break;
}
} else {
lodm = 1;
}
if (insn->tex.rIndirectSrc >= 0) {
emitInsn (0xdeb80000);
emitField(0x25, 2, lodm);
emitField(0x24, 1, insn->tex.useOffsets == 1);
} else {
emitInsn (0xc0380000);
emitField(0x37, 2, lodm);
emitField(0x36, 1, insn->tex.useOffsets == 1);
emitField(0x24, 13, insn->tex.r);
}
emitField(0x32, 1, insn->tex.target.isShadow());
emitField(0x31, 1, insn->tex.liveOnly);
emitField(0x23, 1, insn->tex.derivAll);
emitField(0x1f, 4, insn->tex.mask);
emitField(0x1d, 2, insn->tex.target.isCube() ? 3 :
insn->tex.target.getDim() - 1);
emitField(0x1c, 1, insn->tex.target.isArray());
emitTEXs (0x14);
emitGPR (0x08, insn->src(0));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitTLD()
{
const TexInstruction *insn = this->insn->asTex();
if (insn->tex.rIndirectSrc >= 0) {
emitInsn (0xdd380000);
} else {
emitInsn (0xdc380000);
emitField(0x24, 13, insn->tex.r);
}
emitField(0x37, 1, insn->tex.levelZero == 0);
emitField(0x32, 1, insn->tex.target.isMS());
emitField(0x31, 1, insn->tex.liveOnly);
emitField(0x23, 1, insn->tex.useOffsets == 1);
emitField(0x1f, 4, insn->tex.mask);
emitField(0x1d, 2, insn->tex.target.isCube() ? 3 :
insn->tex.target.getDim() - 1);
emitField(0x1c, 1, insn->tex.target.isArray());
emitTEXs (0x14);
emitGPR (0x08, insn->src(0));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitTLD4()
{
const TexInstruction *insn = this->insn->asTex();
if (insn->tex.rIndirectSrc >= 0) {
emitInsn (0xdef80000);
emitField(0x26, 2, insn->tex.gatherComp);
emitField(0x25, 2, insn->tex.useOffsets == 4);
emitField(0x24, 2, insn->tex.useOffsets == 1);
} else {
emitInsn (0xc8380000);
emitField(0x38, 2, insn->tex.gatherComp);
emitField(0x37, 2, insn->tex.useOffsets == 4);
emitField(0x36, 2, insn->tex.useOffsets == 1);
emitField(0x24, 13, insn->tex.r);
}
emitField(0x32, 1, insn->tex.target.isShadow());
emitField(0x31, 1, insn->tex.liveOnly);
emitField(0x23, 1, insn->tex.derivAll);
emitField(0x1f, 4, insn->tex.mask);
emitField(0x1d, 2, insn->tex.target.isCube() ? 3 :
insn->tex.target.getDim() - 1);
emitField(0x1c, 1, insn->tex.target.isArray());
emitTEXs (0x14);
emitGPR (0x08, insn->src(0));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitTXD()
{
const TexInstruction *insn = this->insn->asTex();
if (insn->tex.rIndirectSrc >= 0) {
emitInsn (0xde780000);
} else {
emitInsn (0xde380000);
emitField(0x24, 13, insn->tex.r);
}
emitField(0x31, 1, insn->tex.liveOnly);
emitField(0x23, 1, insn->tex.useOffsets == 1);
emitField(0x1f, 4, insn->tex.mask);
emitField(0x1d, 2, insn->tex.target.isCube() ? 3 :
insn->tex.target.getDim() - 1);
emitField(0x1c, 1, insn->tex.target.isArray());
emitTEXs (0x14);
emitGPR (0x08, insn->src(0));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitTMML()
{
const TexInstruction *insn = this->insn->asTex();
if (insn->tex.rIndirectSrc >= 0) {
emitInsn (0xdf600000);
} else {
emitInsn (0xdf580000);
emitField(0x24, 13, insn->tex.r);
}
emitField(0x31, 1, insn->tex.liveOnly);
emitField(0x23, 1, insn->tex.derivAll);
emitField(0x1f, 4, insn->tex.mask);
emitField(0x1d, 2, insn->tex.target.isCube() ? 3 :
insn->tex.target.getDim() - 1);
emitField(0x1c, 1, insn->tex.target.isArray());
emitTEXs (0x14);
emitGPR (0x08, insn->src(0));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitTXQ()
{
const TexInstruction *insn = this->insn->asTex();
int type = 0;
switch (insn->tex.query) {
case TXQ_DIMS : type = 0x01; break;
case TXQ_TYPE : type = 0x02; break;
case TXQ_SAMPLE_POSITION: type = 0x05; break;
case TXQ_FILTER : type = 0x10; break;
case TXQ_LOD : type = 0x12; break;
case TXQ_WRAP : type = 0x14; break;
case TXQ_BORDER_COLOUR : type = 0x16; break;
default:
assert(!"invalid txq query");
break;
}
if (insn->tex.rIndirectSrc >= 0) {
emitInsn (0xdf500000);
} else {
emitInsn (0xdf480000);
emitField(0x24, 13, insn->tex.r);
}
emitField(0x31, 1, insn->tex.liveOnly);
emitField(0x1f, 4, insn->tex.mask);
emitField(0x16, 6, type);
emitGPR (0x08, insn->src(0));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitDEPBAR()
{
emitInsn (0xf0f00000);
emitField(0x1d, 1, 1); /* le */
emitField(0x1a, 3, 5);
emitField(0x14, 6, insn->subOp);
emitField(0x00, 6, insn->subOp);
}
/*******************************************************************************
* misc
******************************************************************************/
void
CodeEmitterGM107::emitNOP()
{
emitInsn(0x50b00000);
}
void
CodeEmitterGM107::emitKIL()
{
emitInsn (0xe3300000);
emitCond5(0x00, CC_TR);
}
void
CodeEmitterGM107::emitOUT()
{
const int cut = insn->op == OP_RESTART || insn->subOp;
const int emit = insn->op == OP_EMIT;
switch (insn->src(1).getFile()) {
case FILE_GPR:
emitInsn(0xfbe00000);
emitGPR (0x14, insn->src(1));
break;
case FILE_IMMEDIATE:
emitInsn(0xf6e00000);
emitIMMD(0x14, 19, insn->src(1));
break;
case FILE_MEMORY_CONST:
emitInsn(0xebe00000);
emitCBUF(0x22, -1, 0x14, 16, 2, insn->src(1));
break;
default:
assert(!"bad src1 file");
break;
}
emitField(0x27, 2, (cut << 1) | emit);
emitGPR (0x08, insn->src(0));
emitGPR (0x00, insn->def(0));
}
void
CodeEmitterGM107::emitBAR()
{
uint8_t subop;
emitInsn (0xf0a80000);
switch (insn->subOp) {
case NV50_IR_SUBOP_BAR_RED_POPC: subop = 0x02; break;
case NV50_IR_SUBOP_BAR_RED_AND: subop = 0x0a; break;
case NV50_IR_SUBOP_BAR_RED_OR: subop = 0x12; break;
case NV50_IR_SUBOP_BAR_ARRIVE: subop = 0x81; break;
default:
subop = 0x80;
assert(insn->subOp == NV50_IR_SUBOP_BAR_SYNC);
break;
}
emitField(0x20, 8, subop);
// barrier id
if (insn->src(0).getFile() == FILE_GPR) {
emitGPR(0x08, insn->src(0));
} else {
ImmediateValue *imm = insn->getSrc(0)->asImm();
assert(imm);
emitField(0x08, 8, imm->reg.data.u32);
emitField(0x2b, 1, 1);
}
// thread count
if (insn->src(1).getFile() == FILE_GPR) {
emitGPR(0x14, insn->src(1));
} else {
ImmediateValue *imm = insn->getSrc(0)->asImm();
assert(imm);
emitField(0x14, 12, imm->reg.data.u32);
emitField(0x2c, 1, 1);
}
if (insn->srcExists(2) && (insn->predSrc != 2)) {
emitPRED (0x27, insn->src(2));
emitField(0x2a, 1, insn->src(2).mod == Modifier(NV50_IR_MOD_NOT));
} else {
emitField(0x27, 3, 7);
}
}
void
CodeEmitterGM107::emitMEMBAR()
{
emitInsn (0xef980000);
emitField(0x08, 2, insn->subOp >> 2);
}
void
CodeEmitterGM107::emitVOTE()
{
const ImmediateValue *imm;
uint32_t u32;
int r = -1, p = -1;
for (int i = 0; insn->defExists(i); i++) {
if (insn->def(i).getFile() == FILE_GPR)
r = i;
else if (insn->def(i).getFile() == FILE_PREDICATE)
p = i;
}
emitInsn (0x50d80000);
emitField(0x30, 2, insn->subOp);
if (r >= 0)
emitGPR (0x00, insn->def(r));
else
emitGPR (0x00);
if (p >= 0)
emitPRED (0x2d, insn->def(p));
else
emitPRED (0x2d);
switch (insn->src(0).getFile()) {
case FILE_PREDICATE:
emitField(0x2a, 1, insn->src(0).mod == Modifier(NV50_IR_MOD_NOT));
emitPRED (0x27, insn->src(0));
break;
case FILE_IMMEDIATE:
imm = insn->getSrc(0)->asImm();
assert(imm);
u32 = imm->reg.data.u32;
assert(u32 == 0 || u32 == 1);
emitPRED(0x27);
emitField(0x2a, 1, u32 == 0);
break;
default:
assert(!"Unhandled src");
break;
}
}
void
CodeEmitterGM107::emitSUTarget()
{
const TexInstruction *insn = this->insn->asTex();
int target = 0;
assert(insn->op >= OP_SULDB && insn->op <= OP_SUREDP);
if (insn->tex.target == TEX_TARGET_BUFFER) {
target = 2;
} else if (insn->tex.target == TEX_TARGET_1D_ARRAY) {
target = 4;
} else if (insn->tex.target == TEX_TARGET_2D ||
insn->tex.target == TEX_TARGET_RECT) {
target = 6;
} else if (insn->tex.target == TEX_TARGET_2D_ARRAY ||
insn->tex.target == TEX_TARGET_CUBE ||
insn->tex.target == TEX_TARGET_CUBE_ARRAY) {
target = 8;
} else if (insn->tex.target == TEX_TARGET_3D) {
target = 10;
} else {
assert(insn->tex.target == TEX_TARGET_1D);
}
emitField(0x20, 4, target);
}
void
CodeEmitterGM107::emitSUHandle(const int s)
{
const TexInstruction *insn = this->insn->asTex();
assert(insn->op >= OP_SULDB && insn->op <= OP_SUREDP);
if (insn->src(s).getFile() == FILE_GPR) {
emitGPR(0x27, insn->src(s));
} else {
ImmediateValue *imm = insn->getSrc(s)->asImm();
assert(imm);
emitField(0x33, 1, 1);
emitField(0x24, 13, imm->reg.data.u32);
}
}
void
CodeEmitterGM107::emitSUSTx()
{
const TexInstruction *insn = this->insn->asTex();
emitInsn(0xeb200000);
if (insn->op == OP_SUSTB)
emitField(0x34, 1, 1);
emitSUTarget();
emitLDSTc(0x18);
emitField(0x14, 4, 0xf); // rgba
emitGPR (0x08, insn->src(0));
emitGPR (0x00, insn->src(1));
emitSUHandle(2);
}
void
CodeEmitterGM107::emitSULDx()
{
const TexInstruction *insn = this->insn->asTex();
int type = 0;
emitInsn(0xeb000000);
if (insn->op == OP_SULDB)
emitField(0x34, 1, 1);
emitSUTarget();
switch (insn->dType) {
case TYPE_S8: type = 1; break;
case TYPE_U16: type = 2; break;
case TYPE_S16: type = 3; break;
case TYPE_U32: type = 4; break;
case TYPE_U64: type = 5; break;
case TYPE_B128: type = 6; break;
default:
assert(insn->dType == TYPE_U8);
break;
}
emitLDSTc(0x18);
emitField(0x14, 3, type);
emitGPR (0x00, insn->def(0));
emitGPR (0x08, insn->src(0));
emitSUHandle(1);
}
void
CodeEmitterGM107::emitSUREDx()
{
const TexInstruction *insn = this->insn->asTex();
uint8_t type = 0, subOp;
if (insn->subOp == NV50_IR_SUBOP_ATOM_CAS)
emitInsn(0xeac00000);
else
emitInsn(0xea600000);
if (insn->op == OP_SUREDB)
emitField(0x34, 1, 1);
emitSUTarget();
// destination type
switch (insn->dType) {
case TYPE_S32: type = 1; break;
case TYPE_U64: type = 2; break;
case TYPE_F32: type = 3; break;
case TYPE_S64: type = 5; break;
default:
assert(insn->dType == TYPE_U32);
break;
}
// atomic operation
if (insn->subOp == NV50_IR_SUBOP_ATOM_CAS) {
subOp = 0;
} else if (insn->subOp == NV50_IR_SUBOP_ATOM_EXCH) {
subOp = 8;
} else {
subOp = insn->subOp;
}
emitField(0x24, 3, type);
emitField(0x1d, 4, subOp);
emitGPR (0x14, insn->src(1));
emitGPR (0x08, insn->src(0));
emitGPR (0x00, insn->def(0));
emitSUHandle(2);
}
/*******************************************************************************
* assembler front-end
******************************************************************************/
bool
CodeEmitterGM107::emitInstruction(Instruction *i)
{
const unsigned int size = (writeIssueDelays && !(codeSize & 0x1f)) ? 16 : 8;
bool ret = true;
insn = i;
if (insn->encSize != 8) {
ERROR("skipping undecodable instruction: "); insn->print();
return false;
} else
if (codeSize + size > codeSizeLimit) {
ERROR("code emitter output buffer too small\n");
return false;
}
if (writeIssueDelays) {
int n = ((codeSize & 0x1f) / 8) - 1;
if (n < 0) {
data = code;
data[0] = 0x00000000;
data[1] = 0x00000000;
code += 2;
codeSize += 8;
n++;
}
emitField(data, n * 21, 21, insn->sched);
}
switch (insn->op) {
case OP_EXIT:
emitEXIT();
break;
case OP_BRA:
emitBRA();
break;
case OP_CALL:
emitCAL();
break;
case OP_PRECONT:
emitPCNT();
break;
case OP_CONT:
emitCONT();
break;
case OP_PREBREAK:
emitPBK();
break;
case OP_BREAK:
emitBRK();
break;
case OP_PRERET:
emitPRET();
break;
case OP_RET:
emitRET();
break;
case OP_JOINAT:
emitSSY();
break;
case OP_JOIN:
emitSYNC();
break;
case OP_QUADON:
emitSAM();
break;
case OP_QUADPOP:
emitRAM();
break;
case OP_MOV:
emitMOV();
break;
case OP_RDSV:
emitS2R();
break;
case OP_ABS:
case OP_NEG:
case OP_SAT:
case OP_FLOOR:
case OP_CEIL:
case OP_TRUNC:
case OP_CVT:
if (insn->op == OP_CVT && (insn->def(0).getFile() == FILE_PREDICATE ||
insn->src(0).getFile() == FILE_PREDICATE)) {
emitMOV();
} else if (isFloatType(insn->dType)) {
if (isFloatType(insn->sType))
emitF2F();
else
emitI2F();
} else {
if (isFloatType(insn->sType))
emitF2I();
else
emitI2I();
}
break;
case OP_SHFL:
emitSHFL();
break;
case OP_ADD:
case OP_SUB:
if (isFloatType(insn->dType)) {
if (insn->dType == TYPE_F64)
emitDADD();
else
emitFADD();
} else {
emitIADD();
}
break;
case OP_MUL:
if (isFloatType(insn->dType)) {
if (insn->dType == TYPE_F64)
emitDMUL();
else
emitFMUL();
} else {
emitIMUL();
}
break;
case OP_MAD:
case OP_FMA:
if (isFloatType(insn->dType)) {
if (insn->dType == TYPE_F64)
emitDFMA();
else
emitFFMA();
} else {
emitIMAD();
}
break;
case OP_SHLADD:
emitISCADD();
break;
case OP_MIN:
case OP_MAX:
if (isFloatType(insn->dType)) {
if (insn->dType == TYPE_F64)
emitDMNMX();
else
emitFMNMX();
} else {
emitIMNMX();
}
break;
case OP_SHL:
if (typeSizeof(insn->sType) == 8)
emitSHF();
else
emitSHL();
break;
case OP_SHR:
if (typeSizeof(insn->sType) == 8)
emitSHF();
else
emitSHR();
break;
case OP_POPCNT:
emitPOPC();
break;
case OP_INSBF:
emitBFI();
break;
case OP_EXTBF:
emitBFE();
break;
case OP_BFIND:
emitFLO();
break;
case OP_SLCT:
if (isFloatType(insn->dType))
emitFCMP();
else
emitICMP();
break;
case OP_SET:
case OP_SET_AND:
case OP_SET_OR:
case OP_SET_XOR:
if (insn->def(0).getFile() != FILE_PREDICATE) {
if (isFloatType(insn->sType))
if (insn->sType == TYPE_F64)
emitDSET();
else
emitFSET();
else
emitISET();
} else {
if (isFloatType(insn->sType))
if (insn->sType == TYPE_F64)
emitDSETP();
else
emitFSETP();
else
emitISETP();
}
break;
case OP_SELP:
emitSEL();
break;
case OP_PRESIN:
case OP_PREEX2:
emitRRO();
break;
case OP_COS:
case OP_SIN:
case OP_EX2:
case OP_LG2:
case OP_RCP:
case OP_RSQ:
emitMUFU();
break;
case OP_AND:
case OP_OR:
case OP_XOR:
emitLOP();
break;
case OP_NOT:
emitNOT();
break;
case OP_LOAD:
switch (insn->src(0).getFile()) {
case FILE_MEMORY_CONST : emitLDC(); break;
case FILE_MEMORY_LOCAL : emitLDL(); break;
case FILE_MEMORY_SHARED: emitLDS(); break;
case FILE_MEMORY_GLOBAL: emitLD(); break;
default:
assert(!"invalid load");
emitNOP();
break;
}
break;
case OP_STORE:
switch (insn->src(0).getFile()) {
case FILE_MEMORY_LOCAL : emitSTL(); break;
case FILE_MEMORY_SHARED: emitSTS(); break;
case FILE_MEMORY_GLOBAL: emitST(); break;
default:
assert(!"invalid store");
emitNOP();
break;
}
break;
case OP_ATOM:
if (insn->src(0).getFile() == FILE_MEMORY_SHARED)
emitATOMS();
else
if (!insn->defExists(0) && insn->subOp < NV50_IR_SUBOP_ATOM_CAS)
emitRED();
else
emitATOM();
break;
case OP_CCTL:
emitCCTL();
break;
case OP_VFETCH:
emitALD();
break;
case OP_EXPORT:
emitAST();
break;
case OP_PFETCH:
emitISBERD();
break;
case OP_AFETCH:
emitAL2P();
break;
case OP_LINTERP:
case OP_PINTERP:
emitIPA();
break;
case OP_PIXLD:
emitPIXLD();
break;
case OP_TEX:
case OP_TXB:
case OP_TXL:
emitTEX();
break;
case OP_TXF:
emitTLD();
break;
case OP_TXG:
emitTLD4();
break;
case OP_TXD:
emitTXD();
break;
case OP_TXQ:
emitTXQ();
break;
case OP_TXLQ:
emitTMML();
break;
case OP_TEXBAR:
emitDEPBAR();
break;
case OP_QUADOP:
emitFSWZADD();
break;
case OP_NOP:
emitNOP();
break;
case OP_DISCARD:
emitKIL();
break;
case OP_EMIT:
case OP_RESTART:
emitOUT();
break;
case OP_BAR:
emitBAR();
break;
case OP_MEMBAR:
emitMEMBAR();
break;
case OP_VOTE:
emitVOTE();
break;
case OP_SUSTB:
case OP_SUSTP:
emitSUSTx();
break;
case OP_SULDB:
case OP_SULDP:
emitSULDx();
break;
case OP_SUREDB:
case OP_SUREDP:
emitSUREDx();
break;
default:
assert(!"invalid opcode");
emitNOP();
ret = false;
break;
}
if (insn->join) {
/*XXX*/
}
code += 2;
codeSize += 8;
return ret;
}
uint32_t
CodeEmitterGM107::getMinEncodingSize(const Instruction *i) const
{
return 8;
}
/*******************************************************************************
* sched data calculator
******************************************************************************/
class SchedDataCalculatorGM107 : public Pass
{
public:
SchedDataCalculatorGM107(const TargetGM107 *targ) : targ(targ) {}
private:
struct RegScores
{
struct ScoreData {
int r[256];
int p[8];
int c;
} rd, wr;
int base;
void rebase(const int base)
{
const int delta = this->base - base;
if (!delta)
return;
this->base = 0;
for (int i = 0; i < 256; ++i) {
rd.r[i] += delta;
wr.r[i] += delta;
}
for (int i = 0; i < 8; ++i) {
rd.p[i] += delta;
wr.p[i] += delta;
}
rd.c += delta;
wr.c += delta;
}
void wipe()
{
memset(&rd, 0, sizeof(rd));
memset(&wr, 0, sizeof(wr));
}
int getLatest(const ScoreData& d) const
{
int max = 0;
for (int i = 0; i < 256; ++i)
if (d.r[i] > max)
max = d.r[i];
for (int i = 0; i < 8; ++i)
if (d.p[i] > max)
max = d.p[i];
if (d.c > max)
max = d.c;
return max;
}
inline int getLatestRd() const
{
return getLatest(rd);
}
inline int getLatestWr() const
{
return getLatest(wr);
}
inline int getLatest() const
{
return MAX2(getLatestRd(), getLatestWr());
}
void setMax(const RegScores *that)
{
for (int i = 0; i < 256; ++i) {
rd.r[i] = MAX2(rd.r[i], that->rd.r[i]);
wr.r[i] = MAX2(wr.r[i], that->wr.r[i]);
}
for (int i = 0; i < 8; ++i) {
rd.p[i] = MAX2(rd.p[i], that->rd.p[i]);
wr.p[i] = MAX2(wr.p[i], that->wr.p[i]);
}
rd.c = MAX2(rd.c, that->rd.c);
wr.c = MAX2(wr.c, that->wr.c);
}
void print(int cycle)
{
for (int i = 0; i < 256; ++i) {
if (rd.r[i] > cycle)
INFO("rd $r%i @ %i\n", i, rd.r[i]);
if (wr.r[i] > cycle)
INFO("wr $r%i @ %i\n", i, wr.r[i]);
}
for (int i = 0; i < 8; ++i) {
if (rd.p[i] > cycle)
INFO("rd $p%i @ %i\n", i, rd.p[i]);
if (wr.p[i] > cycle)
INFO("wr $p%i @ %i\n", i, wr.p[i]);
}
if (rd.c > cycle)
INFO("rd $c @ %i\n", rd.c);
if (wr.c > cycle)
INFO("wr $c @ %i\n", wr.c);
}
};
RegScores *score; // for current BB
std::vector<RegScores> scoreBoards;
const TargetGM107 *targ;
bool visit(Function *);
bool visit(BasicBlock *);
void commitInsn(const Instruction *, int);
int calcDelay(const Instruction *, int) const;
void setDelay(Instruction *, int, const Instruction *);
void recordWr(const Value *, int, int);
void checkRd(const Value *, int, int&) const;
inline void emitYield(Instruction *);
inline void emitStall(Instruction *, uint8_t);
inline void emitReuse(Instruction *, uint8_t);
inline void emitWrDepBar(Instruction *, uint8_t);
inline void emitRdDepBar(Instruction *, uint8_t);
inline void emitWtDepBar(Instruction *, uint8_t);
inline int getStall(const Instruction *) const;
inline int getWrDepBar(const Instruction *) const;
inline int getRdDepBar(const Instruction *) const;
inline int getWtDepBar(const Instruction *) const;
void setReuseFlag(Instruction *);
inline void printSchedInfo(int, const Instruction *) const;
struct LiveBarUse {
LiveBarUse(Instruction *insn, Instruction *usei)
: insn(insn), usei(usei) { }
Instruction *insn;
Instruction *usei;
};
struct LiveBarDef {
LiveBarDef(Instruction *insn, Instruction *defi)
: insn(insn), defi(defi) { }
Instruction *insn;
Instruction *defi;
};
bool insertBarriers(BasicBlock *);
Instruction *findFirstUse(const Instruction *) const;
Instruction *findFirstDef(const Instruction *) const;
bool needRdDepBar(const Instruction *) const;
bool needWrDepBar(const Instruction *) const;
};
inline void
SchedDataCalculatorGM107::emitStall(Instruction *insn, uint8_t cnt)
{
assert(cnt < 16);
insn->sched |= cnt;
}
inline void
SchedDataCalculatorGM107::emitYield(Instruction *insn)
{
insn->sched |= 1 << 4;
}
inline void
SchedDataCalculatorGM107::emitWrDepBar(Instruction *insn, uint8_t id)
{
assert(id < 6);
if ((insn->sched & 0xe0) == 0xe0)
insn->sched ^= 0xe0;
insn->sched |= id << 5;
}
inline void
SchedDataCalculatorGM107::emitRdDepBar(Instruction *insn, uint8_t id)
{
assert(id < 6);
if ((insn->sched & 0x700) == 0x700)
insn->sched ^= 0x700;
insn->sched |= id << 8;
}
inline void
SchedDataCalculatorGM107::emitWtDepBar(Instruction *insn, uint8_t id)
{
assert(id < 6);
insn->sched |= 1 << (11 + id);
}
inline void
SchedDataCalculatorGM107::emitReuse(Instruction *insn, uint8_t id)
{
assert(id < 4);
insn->sched |= 1 << (17 + id);
}
inline void
SchedDataCalculatorGM107::printSchedInfo(int cycle,
const Instruction *insn) const
{
uint8_t st, yl, wr, rd, wt, ru;
st = (insn->sched & 0x00000f) >> 0;
yl = (insn->sched & 0x000010) >> 4;
wr = (insn->sched & 0x0000e0) >> 5;
rd = (insn->sched & 0x000700) >> 8;
wt = (insn->sched & 0x01f800) >> 11;
ru = (insn->sched & 0x1e0000) >> 17;
INFO("cycle %i, (st 0x%x, yl 0x%x, wr 0x%x, rd 0x%x, wt 0x%x, ru 0x%x)\n",
cycle, st, yl, wr, rd, wt, ru);
}
inline int
SchedDataCalculatorGM107::getStall(const Instruction *insn) const
{
return insn->sched & 0xf;
}
inline int
SchedDataCalculatorGM107::getWrDepBar(const Instruction *insn) const
{
return (insn->sched & 0x0000e0) >> 5;
}
inline int
SchedDataCalculatorGM107::getRdDepBar(const Instruction *insn) const
{
return (insn->sched & 0x000700) >> 8;
}
inline int
SchedDataCalculatorGM107::getWtDepBar(const Instruction *insn) const
{
return (insn->sched & 0x01f800) >> 11;
}
// Emit the reuse flag which allows to make use of the new memory hierarchy
// introduced since Maxwell, the operand reuse cache.
//
// It allows to reduce bank conflicts by caching operands. Each time you issue
// an instruction, that flag can tell the hw which operands are going to be
// re-used by the next instruction. Note that the next instruction has to use
// the same GPR id in the same operand slot.
void
SchedDataCalculatorGM107::setReuseFlag(Instruction *insn)
{
Instruction *next = insn->next;
BitSet defs(255, 1);
if (!targ->isReuseSupported(insn))
return;
for (int d = 0; insn->defExists(d); ++d) {
const Value *def = insn->def(d).rep();
if (insn->def(d).getFile() != FILE_GPR)
continue;
if (typeSizeof(insn->dType) != 4 || def->reg.data.id == 255)
continue;
defs.set(def->reg.data.id);
}
for (int s = 0; insn->srcExists(s); s++) {
const Value *src = insn->src(s).rep();
if (insn->src(s).getFile() != FILE_GPR)
continue;
if (typeSizeof(insn->sType) != 4 || src->reg.data.id == 255)
continue;
if (defs.test(src->reg.data.id))
continue;
if (!next->srcExists(s) || next->src(s).getFile() != FILE_GPR)
continue;
if (src->reg.data.id != next->getSrc(s)->reg.data.id)
continue;
assert(s < 4);
emitReuse(insn, s);
}
}
void
SchedDataCalculatorGM107::recordWr(const Value *v, int cycle, int ready)
{
int a = v->reg.data.id, b;
switch (v->reg.file) {
case FILE_GPR:
b = a + v->reg.size / 4;
for (int r = a; r < b; ++r)
score->rd.r[r] = ready;
break;
case FILE_PREDICATE:
// To immediately use a predicate set by any instructions, the minimum
// number of stall counts is 13.
score->rd.p[a] = cycle + 13;
break;
case FILE_FLAGS:
score->rd.c = ready;
break;
default:
break;
}
}
void
SchedDataCalculatorGM107::checkRd(const Value *v, int cycle, int &delay) const
{
int a = v->reg.data.id, b;
int ready = cycle;
switch (v->reg.file) {
case FILE_GPR:
b = a + v->reg.size / 4;
for (int r = a; r < b; ++r)
ready = MAX2(ready, score->rd.r[r]);
break;
case FILE_PREDICATE:
ready = MAX2(ready, score->rd.p[a]);
break;
case FILE_FLAGS:
ready = MAX2(ready, score->rd.c);
break;
default:
break;
}
if (cycle < ready)
delay = MAX2(delay, ready - cycle);
}
void
SchedDataCalculatorGM107::commitInsn(const Instruction *insn, int cycle)
{
const int ready = cycle + targ->getLatency(insn);
for (int d = 0; insn->defExists(d); ++d)
recordWr(insn->getDef(d), cycle, ready);
#ifdef GM107_DEBUG_SCHED_DATA
score->print(cycle);
#endif
}
#define GM107_MIN_ISSUE_DELAY 0x1
#define GM107_MAX_ISSUE_DELAY 0xf
int
SchedDataCalculatorGM107::calcDelay(const Instruction *insn, int cycle) const
{
int delay = 0, ready = cycle;
for (int s = 0; insn->srcExists(s); ++s)
checkRd(insn->getSrc(s), cycle, delay);
// TODO: make use of getReadLatency()!
return MAX2(delay, ready - cycle);
}
void
SchedDataCalculatorGM107::setDelay(Instruction *insn, int delay,
const Instruction *next)
{
const OpClass cl = targ->getOpClass(insn->op);
int wr, rd;
if (insn->op == OP_EXIT ||
insn->op == OP_BAR ||
insn->op == OP_MEMBAR) {
delay = GM107_MAX_ISSUE_DELAY;
} else
if (insn->op == OP_QUADON ||
insn->op == OP_QUADPOP) {
delay = 0xd;
} else
if (cl == OPCLASS_FLOW || insn->join) {
delay = 0xd;
}
if (!next || !targ->canDualIssue(insn, next)) {
delay = CLAMP(delay, GM107_MIN_ISSUE_DELAY, GM107_MAX_ISSUE_DELAY);
} else {
delay = 0x0; // dual-issue
}
wr = getWrDepBar(insn);
rd = getRdDepBar(insn);
if (delay == GM107_MIN_ISSUE_DELAY && (wr & rd) != 7) {
// Barriers take one additional clock cycle to become active on top of
// the clock consumed by the instruction producing it.
if (!next || insn->bb != next->bb) {
delay = 0x2;
} else {
int wt = getWtDepBar(next);
if ((wt & (1 << wr)) | (wt & (1 << rd)))
delay = 0x2;
}
}
emitStall(insn, delay);
}
// Return true when the given instruction needs to emit a read dependency
// barrier (for WaR hazards) because it doesn't operate at a fixed latency, and
// setting the maximum number of stall counts is not enough.
bool
SchedDataCalculatorGM107::needRdDepBar(const Instruction *insn) const
{
BitSet srcs(255, 1), defs(255, 1);
int a, b;
if (!targ->isBarrierRequired(insn))
return false;
// Do not emit a read dependency barrier when the instruction doesn't use
// any GPR (like st s[0x4] 0x0) as input because it's unnecessary.
for (int s = 0; insn->srcExists(s); ++s) {
const Value *src = insn->src(s).rep();
if (insn->src(s).getFile() != FILE_GPR)
continue;
if (src->reg.data.id == 255)
continue;
a = src->reg.data.id;
b = a + src->reg.size / 4;
for (int r = a; r < b; ++r)
srcs.set(r);
}
if (!srcs.popCount())
return false;
// Do not emit a read dependency barrier when the output GPRs are equal to
// the input GPRs (like rcp $r0 $r0) because a write dependency barrier will
// be produced and WaR hazards are prevented.
for (int d = 0; insn->defExists(d); ++d) {
const Value *def = insn->def(d).rep();
if (insn->def(d).getFile() != FILE_GPR)
continue;
if (def->reg.data.id == 255)
continue;
a = def->reg.data.id;
b = a + def->reg.size / 4;
for (int r = a; r < b; ++r)
defs.set(r);
}
srcs.andNot(defs);
if (!srcs.popCount())
return false;
return true;
}
// Return true when the given instruction needs to emit a write dependency
// barrier (for RaW hazards) because it doesn't operate at a fixed latency, and
// setting the maximum number of stall counts is not enough. This is only legal
// if the instruction output something.
bool
SchedDataCalculatorGM107::needWrDepBar(const Instruction *insn) const
{
if (!targ->isBarrierRequired(insn))
return false;
for (int d = 0; insn->defExists(d); ++d) {
if (insn->def(d).getFile() == FILE_GPR ||
insn->def(d).getFile() == FILE_PREDICATE)
return true;
}
return false;
}
// Find the next instruction inside the same basic block which uses the output
// of the given instruction in order to avoid RaW hazards.
Instruction *
SchedDataCalculatorGM107::findFirstUse(const Instruction *bari) const
{
Instruction *insn, *next;
int minGPR, maxGPR;
if (!bari->defExists(0))
return NULL;
minGPR = bari->def(0).rep()->reg.data.id;
maxGPR = minGPR + bari->def(0).rep()->reg.size / 4 - 1;
for (insn = bari->next; insn != NULL; insn = next) {
next = insn->next;
for (int s = 0; insn->srcExists(s); ++s) {
const Value *src = insn->src(s).rep();
if (bari->def(0).getFile() == FILE_GPR) {
if (insn->src(s).getFile() != FILE_GPR ||
src->reg.data.id + src->reg.size / 4 - 1 < minGPR ||
src->reg.data.id > maxGPR)
continue;
return insn;
} else
if (bari->def(0).getFile() == FILE_PREDICATE) {
if (insn->src(s).getFile() != FILE_PREDICATE ||
src->reg.data.id != minGPR)
continue;
return insn;
}
}
}
return NULL;
}
// Find the next instruction inside the same basic block which overwrites, at
// least, one source of the given instruction in order to avoid WaR hazards.
Instruction *
SchedDataCalculatorGM107::findFirstDef(const Instruction *bari) const
{
Instruction *insn, *next;
int minGPR, maxGPR;
for (insn = bari->next; insn != NULL; insn = next) {
next = insn->next;
for (int d = 0; insn->defExists(d); ++d) {
const Value *def = insn->def(d).rep();
if (insn->def(d).getFile() != FILE_GPR)
continue;
minGPR = def->reg.data.id;
maxGPR = minGPR + def->reg.size / 4 - 1;
for (int s = 0; bari->srcExists(s); ++s) {
const Value *src = bari->src(s).rep();
if (bari->src(s).getFile() != FILE_GPR ||
src->reg.data.id + src->reg.size / 4 - 1 < minGPR ||
src->reg.data.id > maxGPR)
continue;
return insn;
}
}
}
return NULL;
}
// Dependency barriers:
// This pass is a bit ugly and could probably be improved by performing a
// better allocation.
//
// The main idea is to avoid WaR and RaW hazards by emitting read/write
// dependency barriers using the control codes.
bool
SchedDataCalculatorGM107::insertBarriers(BasicBlock *bb)
{
std::list<LiveBarUse> live_uses;
std::list<LiveBarDef> live_defs;
Instruction *insn, *next;
BitSet bars(6, 1);
int bar_id;
for (insn = bb->getEntry(); insn != NULL; insn = next) {
Instruction *usei = NULL, *defi = NULL;
bool need_wr_bar, need_rd_bar;
next = insn->next;
// Expire old barrier uses.
for (std::list<LiveBarUse>::iterator it = live_uses.begin();
it != live_uses.end();) {
if (insn->serial >= it->usei->serial) {
int wr = getWrDepBar(it->insn);
emitWtDepBar(insn, wr);
bars.clr(wr); // free barrier
it = live_uses.erase(it);
continue;
}
++it;
}
// Expire old barrier defs.
for (std::list<LiveBarDef>::iterator it = live_defs.begin();
it != live_defs.end();) {
if (insn->serial >= it->defi->serial) {
int rd = getRdDepBar(it->insn);
emitWtDepBar(insn, rd);
bars.clr(rd); // free barrier
it = live_defs.erase(it);
continue;
}
++it;
}
need_wr_bar = needWrDepBar(insn);
need_rd_bar = needRdDepBar(insn);
if (need_wr_bar) {
// When the instruction requires to emit a write dependency barrier
// (all which write something at a variable latency), find the next
// instruction which reads the outputs.
usei = findFirstUse(insn);
// Allocate and emit a new barrier.
bar_id = bars.findFreeRange(1);
if (bar_id == -1)
bar_id = 5;
bars.set(bar_id);
emitWrDepBar(insn, bar_id);
if (usei)
live_uses.push_back(LiveBarUse(insn, usei));
}
if (need_rd_bar) {
// When the instruction requires to emit a read dependency barrier
// (all which read something at a variable latency), find the next
// instruction which will write the inputs.
defi = findFirstDef(insn);
if (usei && defi && usei->serial <= defi->serial)
continue;
// Allocate and emit a new barrier.
bar_id = bars.findFreeRange(1);
if (bar_id == -1)
bar_id = 5;
bars.set(bar_id);
emitRdDepBar(insn, bar_id);
if (defi)
live_defs.push_back(LiveBarDef(insn, defi));
}
}
// Remove unnecessary barrier waits.
BitSet alive_bars(6, 1);
for (insn = bb->getEntry(); insn != NULL; insn = next) {
int wr, rd, wt;
next = insn->next;
wr = getWrDepBar(insn);
rd = getRdDepBar(insn);
wt = getWtDepBar(insn);
for (int idx = 0; idx < 6; ++idx) {
if (!(wt & (1 << idx)))
continue;
if (!alive_bars.test(idx)) {
insn->sched &= ~(1 << (11 + idx));
} else {
alive_bars.clr(idx);
}
}
if (wr < 6)
alive_bars.set(wr);
if (rd < 6)
alive_bars.set(rd);
}
return true;
}
bool
SchedDataCalculatorGM107::visit(Function *func)
{
ArrayList insns;
func->orderInstructions(insns);
scoreBoards.resize(func->cfg.getSize());
for (size_t i = 0; i < scoreBoards.size(); ++i)
scoreBoards[i].wipe();
return true;
}
bool
SchedDataCalculatorGM107::visit(BasicBlock *bb)
{
Instruction *insn, *next = NULL;
int cycle = 0;
for (Instruction *insn = bb->getEntry(); insn; insn = insn->next) {
/*XXX*/
insn->sched = 0x7e0;
}
if (!debug_get_bool_option("NV50_PROG_SCHED", true))
return true;
// Insert read/write dependency barriers for instructions which don't
// operate at a fixed latency.
insertBarriers(bb);
score = &scoreBoards.at(bb->getId());
for (Graph::EdgeIterator ei = bb->cfg.incident(); !ei.end(); ei.next()) {
// back branches will wait until all target dependencies are satisfied
if (ei.getType() == Graph::Edge::BACK) // sched would be uninitialized
continue;
BasicBlock *in = BasicBlock::get(ei.getNode());
score->setMax(&scoreBoards.at(in->getId()));
}
#ifdef GM107_DEBUG_SCHED_DATA
INFO("=== BB:%i initial scores\n", bb->getId());
score->print(cycle);
#endif
// Because barriers are allocated locally (intra-BB), we have to make sure
// that all produced barriers have been consumed before entering inside a
// new basic block. The best way is to do a global allocation pre RA but
// it's really more difficult, especially because of the phi nodes. Anyways,
// it seems like that waiting on a barrier which has already been consumed
// doesn't add any additional cost, it's just not elegant!
Instruction *start = bb->getEntry();
if (start && bb->cfg.incidentCount() > 0) {
for (int b = 0; b < 6; b++)
emitWtDepBar(start, b);
}
for (insn = bb->getEntry(); insn && insn->next; insn = insn->next) {
next = insn->next;
commitInsn(insn, cycle);
int delay = calcDelay(next, cycle);
setDelay(insn, delay, next);
cycle += getStall(insn);
setReuseFlag(insn);
// XXX: The yield flag seems to destroy a bunch of things when it is
// set on every instruction, need investigation.
//emitYield(insn);
#ifdef GM107_DEBUG_SCHED_DATA
printSchedInfo(cycle, insn);
insn->print();
next->print();
#endif
}
if (!insn)
return true;
commitInsn(insn, cycle);
int bbDelay = -1;
#ifdef GM107_DEBUG_SCHED_DATA
fprintf(stderr, "last instruction is : ");
insn->print();
fprintf(stderr, "cycle=%d\n", cycle);
#endif
for (Graph::EdgeIterator ei = bb->cfg.outgoing(); !ei.end(); ei.next()) {
BasicBlock *out = BasicBlock::get(ei.getNode());
if (ei.getType() != Graph::Edge::BACK) {
// Only test the first instruction of the outgoing block.
next = out->getEntry();
if (next) {
bbDelay = MAX2(bbDelay, calcDelay(next, cycle));
} else {
// When the outgoing BB is empty, make sure to set the number of
// stall counts needed by the instruction because we don't know the
// next instruction.
bbDelay = MAX2(bbDelay, targ->getLatency(insn));
}
} else {
// Wait until all dependencies are satisfied.
const int regsFree = score->getLatest();
next = out->getFirst();
for (int c = cycle; next && c < regsFree; next = next->next) {
bbDelay = MAX2(bbDelay, calcDelay(next, c));
c += getStall(next);
}
next = NULL;
}
}
if (bb->cfg.outgoingCount() != 1)
next = NULL;
setDelay(insn, bbDelay, next);
cycle += getStall(insn);
score->rebase(cycle); // common base for initializing out blocks' scores
return true;
}
/*******************************************************************************
* main
******************************************************************************/
void
CodeEmitterGM107::prepareEmission(Function *func)
{
SchedDataCalculatorGM107 sched(targGM107);
CodeEmitter::prepareEmission(func);
sched.run(func, true, true);
}
static inline uint32_t sizeToBundlesGM107(uint32_t size)
{
return (size + 23) / 24;
}
void
CodeEmitterGM107::prepareEmission(Program *prog)
{
for (ArrayList::Iterator fi = prog->allFuncs.iterator();
!fi.end(); fi.next()) {
Function *func = reinterpret_cast<Function *>(fi.get());
func->binPos = prog->binSize;
prepareEmission(func);
// adjust sizes & positions for schedulding info:
if (prog->getTarget()->hasSWSched) {
uint32_t adjPos = func->binPos;
BasicBlock *bb = NULL;
for (int i = 0; i < func->bbCount; ++i) {
bb = func->bbArray[i];
int32_t adjSize = bb->binSize;
if (adjPos % 32) {
adjSize -= 32 - adjPos % 32;
if (adjSize < 0)
adjSize = 0;
}
adjSize = bb->binSize + sizeToBundlesGM107(adjSize) * 8;
bb->binPos = adjPos;
bb->binSize = adjSize;
adjPos += adjSize;
}
if (bb)
func->binSize = adjPos - func->binPos;
}
prog->binSize += func->binSize;
}
}
CodeEmitterGM107::CodeEmitterGM107(const TargetGM107 *target)
: CodeEmitter(target),
targGM107(target),
writeIssueDelays(target->hasSWSched)
{
code = NULL;
codeSize = codeSizeLimit = 0;
relocInfo = NULL;
}
CodeEmitter *
TargetGM107::createCodeEmitterGM107(Program::Type type)
{
CodeEmitterGM107 *emit = new CodeEmitterGM107(this);
emit->setProgramType(type);
return emit;
}
} // namespace nv50_ir