mirror of
https://github.com/vortexgpgpu/vortex.git
synced 2025-04-24 22:07:41 -04:00
2433 lines
No EOL
82 KiB
C++
2433 lines
No EOL
82 KiB
C++
#include <iostream>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <math.h>
|
|
#include <bitset>
|
|
#include <climits>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <assert.h>
|
|
#include <util.h>
|
|
#include <rvfloats.h>
|
|
#include "warp.h"
|
|
#include "instr.h"
|
|
#include "core.h"
|
|
|
|
using namespace vortex;
|
|
|
|
union reg_data_t {
|
|
Word i;
|
|
FWord f;
|
|
uint64_t _;
|
|
};
|
|
|
|
static bool HasDivergentThreads(const ThreadMask &thread_mask,
|
|
const std::vector<std::vector<Word>> ®_file,
|
|
unsigned reg) {
|
|
bool cond;
|
|
size_t thread_idx = 0;
|
|
size_t num_threads = reg_file.size();
|
|
for (; thread_idx < num_threads; ++thread_idx) {
|
|
if (thread_mask[thread_idx]) {
|
|
cond = bool(reg_file[thread_idx][reg]);
|
|
break;
|
|
}
|
|
}
|
|
assert(thread_idx != num_threads);
|
|
for (; thread_idx < num_threads; ++thread_idx) {
|
|
if (thread_mask[thread_idx]) {
|
|
if (cond != (bool(reg_file[thread_idx][reg]))) {
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
inline uint32_t get_fpu_rm(uint32_t func3, Core* core, uint32_t tid, uint32_t wid) {
|
|
return (func3 == 0x7) ? core->get_csr(CSR_FRM, tid, wid) : func3;
|
|
}
|
|
|
|
static void update_fcrs(uint32_t fflags, Core* core, uint32_t tid, uint32_t wid) {
|
|
if (fflags) {
|
|
core->set_csr(CSR_FCSR, core->get_csr(CSR_FCSR, tid, wid) | fflags, tid, wid);
|
|
core->set_csr(CSR_FFLAGS, core->get_csr(CSR_FFLAGS, tid, wid) | fflags, tid, wid);
|
|
}
|
|
}
|
|
|
|
inline uint64_t nan_box(uint32_t value) {
|
|
uint64_t mask = 0xffffffff00000000;
|
|
return value | mask;
|
|
}
|
|
|
|
inline bool is_nan_boxed(uint64_t value) {
|
|
return (uint32_t(value >> 32) == 0xffffffff);
|
|
}
|
|
|
|
static bool checkBoxedArgs(FWord* out, FWord a, FWord b, uint32_t* fflags) {
|
|
bool xa = is_nan_boxed(a);
|
|
bool xb = is_nan_boxed(b);
|
|
if (xa && xb)
|
|
return true;
|
|
if (xa) {
|
|
// a is NaN boxed but b isn't
|
|
*out = nan_box((uint32_t)a);
|
|
} else if (xb) {
|
|
// b is NaN boxed but a isn't
|
|
*out = nan_box(0xffc00000);
|
|
} else {
|
|
// Both a and b aren't NaN boxed
|
|
*out = nan_box(0x7fc00000);
|
|
}
|
|
*fflags = 0;
|
|
return false;
|
|
}
|
|
|
|
static bool checkBoxedArgs(FWord* out, FWord a, uint32_t* fflags) {
|
|
bool xa = is_nan_boxed(a);
|
|
if (xa)
|
|
return true;
|
|
*out = nan_box(0x7fc00000);
|
|
*fflags = 0;
|
|
return false;
|
|
}
|
|
|
|
static bool checkBoxedCmpArgs(Word* out, FWord a, FWord b, uint32_t* fflags) {
|
|
bool xa = is_nan_boxed(a);
|
|
bool xb = is_nan_boxed(b);
|
|
if (xa && xb)
|
|
return true;
|
|
*out = 0;
|
|
*fflags = 0;
|
|
return false;
|
|
}
|
|
|
|
void Warp::execute(const Instr &instr, pipeline_trace_t *trace) {
|
|
assert(tmask_.any());
|
|
|
|
auto nextPC = PC_ + arch_.wsize();
|
|
|
|
auto func2 = instr.getFunc2();
|
|
auto func3 = instr.getFunc3();
|
|
auto func6 = instr.getFunc6();
|
|
auto func7 = instr.getFunc7();
|
|
|
|
auto opcode = instr.getOpcode();
|
|
auto rdest = instr.getRDest();
|
|
auto rsrc0 = instr.getRSrc(0);
|
|
auto rsrc1 = instr.getRSrc(1);
|
|
auto rsrc2 = instr.getRSrc(2);
|
|
auto immsrc = sext((Word)instr.getImm(), 32);
|
|
auto vmask = instr.getVmask();
|
|
|
|
auto num_threads = arch_.num_threads();
|
|
|
|
std::vector<reg_data_t[3]> rsdata(num_threads);
|
|
std::vector<reg_data_t> rddata(num_threads);
|
|
|
|
auto num_rsrcs = instr.getNRSrc();
|
|
if (num_rsrcs) {
|
|
for (uint32_t i = 0; i < num_rsrcs; ++i) {
|
|
DPH(2, "Src" << std::dec << i << " Reg: ");
|
|
auto type = instr.getRSType(i);
|
|
auto reg = instr.getRSrc(i);
|
|
switch (type) {
|
|
case RegType::Integer:
|
|
DPN(2, type << std::dec << reg << "={");
|
|
for (uint32_t t = 0; t < num_threads; ++t) {
|
|
if (t) DPN(2, ", ");
|
|
if (!tmask_.test(t)) {
|
|
DPN(2, "-");
|
|
continue;
|
|
}
|
|
rsdata[t][i].i = ireg_file_.at(t)[reg];
|
|
DPN(2, "0x" << std::hex << rsdata[t][i].i);
|
|
}
|
|
DPN(2, "}" << std::endl);
|
|
break;
|
|
case RegType::Float:
|
|
DPN(2, type << std::dec << reg << "={");
|
|
for (uint32_t t = 0; t < num_threads; ++t) {
|
|
if (t) DPN(2, ", ");
|
|
if (!tmask_.test(t)) {
|
|
DPN(2, "-");
|
|
continue;
|
|
}
|
|
rsdata[t][i].f = freg_file_.at(t)[reg];
|
|
DPN(2, "0x" << std::hex << rsdata[t][i].f);
|
|
}
|
|
DPN(2, "}" << std::endl);
|
|
break;
|
|
default:
|
|
std::abort();
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
bool rd_write = false;
|
|
|
|
switch (opcode) {
|
|
case NOP:
|
|
break;
|
|
// RV32I: LUI
|
|
case LUI_INST: {
|
|
trace->exe_type = ExeType::ALU;
|
|
trace->alu_type = AluType::ARITH;
|
|
for (uint32_t t = 0; t < num_threads; ++t) {
|
|
if (!tmask_.test(t))
|
|
continue;
|
|
rddata[t].i = immsrc << 12;
|
|
}
|
|
rd_write = true;
|
|
break;
|
|
}
|
|
// RV32I: AUIPC
|
|
case AUIPC_INST: {
|
|
trace->exe_type = ExeType::ALU;
|
|
trace->alu_type = AluType::ARITH;
|
|
for (uint32_t t = 0; t < num_threads; ++t) {
|
|
if (!tmask_.test(t))
|
|
continue;
|
|
rddata[t].i = (immsrc << 12) + PC_;
|
|
}
|
|
rd_write = true;
|
|
break;
|
|
}
|
|
case R_INST: {
|
|
trace->exe_type = ExeType::ALU;
|
|
trace->alu_type = AluType::ARITH;
|
|
trace->used_iregs.set(rsrc0);
|
|
trace->used_iregs.set(rsrc1);
|
|
for (uint32_t t = 0; t < num_threads; ++t) {
|
|
if (!tmask_.test(t))
|
|
continue;
|
|
if (func7 & 0x1) {
|
|
switch (func3) {
|
|
case 0: {
|
|
// RV32M: MUL
|
|
rddata[t].i = (WordI)rsdata[t][0].i * (WordI)rsdata[t][1].i;
|
|
trace->alu_type = AluType::IMUL;
|
|
break;
|
|
}
|
|
case 1: {
|
|
// RV32M: MULH
|
|
DWordI first = sext((DWord)rsdata[t][0].i, XLEN);
|
|
DWordI second = sext((DWord)rsdata[t][1].i, XLEN);
|
|
rddata[t].i = (first * second) >> XLEN;
|
|
trace->alu_type = AluType::IMUL;
|
|
break;
|
|
}
|
|
case 2: {
|
|
// RV32M: MULHSU
|
|
DWordI first = sext((DWord)rsdata[t][0].i, XLEN);
|
|
DWord second = rsdata[t][1].i;
|
|
rddata[t].i = (first * second) >> XLEN;
|
|
trace->alu_type = AluType::IMUL;
|
|
break;
|
|
}
|
|
case 3: {
|
|
// RV32M: MULHU
|
|
DWord first = rsdata[t][0].i;
|
|
DWord second = rsdata[t][1].i;
|
|
rddata[t].i = (first * second) >> XLEN;
|
|
trace->alu_type = AluType::IMUL;
|
|
break;
|
|
}
|
|
case 4: {
|
|
// RV32M: DIV
|
|
WordI dividen = rsdata[t][0].i;
|
|
WordI divisor = rsdata[t][1].i;
|
|
WordI largest_negative = WordI(1) << (XLEN-1);
|
|
if (divisor == 0) {
|
|
rddata[t].i = -1;
|
|
} else if (dividen == largest_negative && divisor == -1) {
|
|
rddata[t].i = dividen;
|
|
} else {
|
|
rddata[t].i = dividen / divisor;
|
|
}
|
|
trace->alu_type = AluType::IDIV;
|
|
break;
|
|
}
|
|
case 5: {
|
|
// RV32M: DIVU
|
|
Word dividen = rsdata[t][0].i;
|
|
Word divisor = rsdata[t][1].i;
|
|
if (divisor == 0) {
|
|
rddata[t].i = -1;
|
|
} else {
|
|
rddata[t].i = dividen / divisor;
|
|
}
|
|
trace->alu_type = AluType::IDIV;
|
|
break;
|
|
}
|
|
case 6: {
|
|
// RV32M: REM
|
|
WordI dividen = rsdata[t][0].i;
|
|
WordI divisor = rsdata[t][1].i;
|
|
WordI largest_negative = WordI(1) << (XLEN-1);
|
|
if (rsdata[t][1].i == 0) {
|
|
rddata[t].i = dividen;
|
|
} else if (dividen == largest_negative && divisor == -1) {
|
|
rddata[t].i = 0;
|
|
} else {
|
|
rddata[t].i = dividen % divisor;
|
|
}
|
|
trace->alu_type = AluType::IDIV;
|
|
break;
|
|
}
|
|
case 7: {
|
|
// RV32M: REMU
|
|
Word dividen = rsdata[t][0].i;
|
|
Word divisor = rsdata[t][1].i;
|
|
if (rsdata[t][1].i == 0) {
|
|
rddata[t].i = dividen;
|
|
} else {
|
|
rddata[t].i = dividen % divisor;
|
|
}
|
|
trace->alu_type = AluType::IDIV;
|
|
break;
|
|
}
|
|
default:
|
|
std::abort();
|
|
}
|
|
} else {
|
|
switch (func3) {
|
|
case 0: {
|
|
if (func7) {
|
|
// RV32I: SUB
|
|
rddata[t].i = rsdata[t][0].i - rsdata[t][1].i;
|
|
} else {
|
|
// RV32I: ADD
|
|
rddata[t].i = rsdata[t][0].i + rsdata[t][1].i;
|
|
}
|
|
break;
|
|
}
|
|
case 1: {
|
|
// RV32I: SLL
|
|
Word shamt_mask = (Word(1) << log2up(XLEN)) - 1;
|
|
Word shamt = rsdata[t][1].i & shamt_mask;
|
|
rddata[t].i = rsdata[t][0].i << shamt;
|
|
break;
|
|
}
|
|
case 2: {
|
|
// RV32I: SLT
|
|
rddata[t].i = WordI(rsdata[t][0].i) < WordI(rsdata[t][1].i);
|
|
break;
|
|
}
|
|
case 3: {
|
|
// RV32I: SLTU
|
|
rddata[t].i = Word(rsdata[t][0].i) < Word(rsdata[t][1].i);
|
|
break;
|
|
}
|
|
case 4: {
|
|
// RV32I: XOR
|
|
rddata[t].i = rsdata[t][0].i ^ rsdata[t][1].i;
|
|
break;
|
|
}
|
|
case 5: {
|
|
Word shamt_mask = ((Word)1 << log2up(XLEN)) - 1;
|
|
Word shamt = rsdata[t][1].i & shamt_mask;
|
|
if (func7) {
|
|
// RV32I: SRA
|
|
rddata[t].i = WordI(rsdata[t][0].i) >> shamt;
|
|
} else {
|
|
// RV32I: SRL
|
|
rddata[t].i = Word(rsdata[t][0].i) >> shamt;
|
|
}
|
|
break;
|
|
}
|
|
case 6: {
|
|
// RV32I: OR
|
|
rddata[t].i = rsdata[t][0].i | rsdata[t][1].i;
|
|
break;
|
|
}
|
|
case 7: {
|
|
// RV32I: AND
|
|
rddata[t].i = rsdata[t][0].i & rsdata[t][1].i;
|
|
break;
|
|
}
|
|
default:
|
|
std::abort();
|
|
}
|
|
}
|
|
}
|
|
rd_write = true;
|
|
break;
|
|
}
|
|
case I_INST: {
|
|
trace->exe_type = ExeType::ALU;
|
|
trace->alu_type = AluType::ARITH;
|
|
trace->used_iregs.set(rsrc0);
|
|
for (uint32_t t = 0; t < num_threads; ++t) {
|
|
if (!tmask_.test(t))
|
|
continue;
|
|
switch (func3) {
|
|
case 0: {
|
|
// RV32I: ADDI
|
|
rddata[t].i = rsdata[t][0].i + immsrc;
|
|
break;
|
|
}
|
|
case 1: {
|
|
// RV64I: SLLI
|
|
rddata[t].i = rsdata[t][0].i << immsrc;
|
|
break;
|
|
}
|
|
case 2: {
|
|
// RV32I: SLTI
|
|
rddata[t].i = WordI(rsdata[t][0].i) < WordI(immsrc);
|
|
break;
|
|
}
|
|
case 3: {
|
|
// RV32I: SLTIU
|
|
rddata[t].i = rsdata[t][0].i < immsrc;
|
|
break;
|
|
}
|
|
case 4: {
|
|
// RV32I: XORI
|
|
rddata[t].i = rsdata[t][0].i ^ immsrc;
|
|
break;
|
|
}
|
|
case 5: {
|
|
if (func7) {
|
|
// RV64I: SRAI
|
|
Word result = WordI(rsdata[t][0].i) >> immsrc;
|
|
rddata[t].i = result;
|
|
} else {
|
|
// RV64I: SRLI
|
|
Word result = Word(rsdata[t][0].i) >> immsrc;
|
|
rddata[t].i = result;
|
|
}
|
|
break;
|
|
}
|
|
case 6: {
|
|
// RV32I: ORI
|
|
rddata[t].i = rsdata[t][0].i | immsrc;
|
|
break;
|
|
}
|
|
case 7: {
|
|
// RV32I: ANDI
|
|
rddata[t].i = rsdata[t][0].i & immsrc;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
rd_write = true;
|
|
break;
|
|
}
|
|
case R_INST_W: {
|
|
trace->exe_type = ExeType::ALU;
|
|
trace->alu_type = AluType::ARITH;
|
|
trace->used_iregs.set(rsrc0);
|
|
trace->used_iregs.set(rsrc1);
|
|
for (uint32_t t = 0; t < num_threads; ++t) {
|
|
if (!tmask_.test(t))
|
|
continue;
|
|
if (func7 & 0x1){
|
|
switch (func3) {
|
|
case 0: {
|
|
// RV64M: MULW
|
|
int32_t product = (int32_t)rsdata[t][0].i * (int32_t)rsdata[t][1].i;
|
|
rddata[t].i = sext((uint64_t)product, 32);
|
|
trace->alu_type = AluType::IMUL;
|
|
break;
|
|
}
|
|
case 4: {
|
|
// RV64M: DIVW
|
|
int32_t dividen = (int32_t)rsdata[t][0].i;
|
|
int32_t divisor = (int32_t)rsdata[t][1].i;
|
|
int32_t quotient;
|
|
int32_t largest_negative = 0x80000000;
|
|
if (divisor == 0){
|
|
quotient = -1;
|
|
} else if (dividen == largest_negative && divisor == -1) {
|
|
quotient = dividen;
|
|
} else {
|
|
quotient = dividen / divisor;
|
|
}
|
|
rddata[t].i = sext((uint64_t)quotient, 32);
|
|
trace->alu_type = AluType::IDIV;
|
|
break;
|
|
}
|
|
case 5: {
|
|
// RV64M: DIVUW
|
|
uint32_t dividen = (uint32_t)rsdata[t][0].i;
|
|
uint32_t divisor = (uint32_t)rsdata[t][1].i;
|
|
uint32_t quotient;
|
|
if (divisor == 0){
|
|
quotient = -1;
|
|
} else {
|
|
quotient = dividen / divisor;
|
|
}
|
|
rddata[t].i = sext((uint64_t)quotient, 32);
|
|
trace->alu_type = AluType::IDIV;
|
|
break;
|
|
}
|
|
case 6: {
|
|
// RV64M: REMW
|
|
int32_t dividen = (uint32_t)rsdata[t][0].i;
|
|
int32_t divisor = (uint32_t)rsdata[t][1].i;
|
|
int32_t remainder;
|
|
int32_t largest_negative = 0x80000000;
|
|
if (divisor == 0){
|
|
remainder = dividen;
|
|
} else if (dividen == largest_negative && divisor == -1) {
|
|
remainder = 0;
|
|
} else {
|
|
remainder = dividen % divisor;
|
|
}
|
|
rddata[t].i = sext((uint64_t)remainder, 32);
|
|
trace->alu_type = AluType::IDIV;
|
|
break;
|
|
}
|
|
case 7: {
|
|
// RV64M: REMUW
|
|
uint32_t dividen = (uint32_t)rsdata[t][0].i;
|
|
uint32_t divisor = (uint32_t)rsdata[t][1].i;
|
|
uint32_t remainder;
|
|
if (divisor == 0){
|
|
remainder = dividen;
|
|
} else {
|
|
remainder = dividen % divisor;
|
|
}
|
|
rddata[t].i = sext((uint64_t)remainder, 32);
|
|
trace->alu_type = AluType::IDIV;
|
|
break;
|
|
}
|
|
default:
|
|
std::abort();
|
|
}
|
|
} else {
|
|
switch (func3) {
|
|
case 0: {
|
|
if (func7){
|
|
// RV64I: SUBW
|
|
uint32_t result = (uint32_t)rsdata[t][0].i - (uint32_t)rsdata[t][1].i;
|
|
rddata[t].i = sext((uint64_t)result, 32);
|
|
}
|
|
else{
|
|
// RV64I: ADDW
|
|
uint32_t result = (uint32_t)rsdata[t][0].i + (uint32_t)rsdata[t][1].i;
|
|
rddata[t].i = sext((uint64_t)result, 32);
|
|
}
|
|
break;
|
|
}
|
|
case 1: {
|
|
// RV64I: SLLW
|
|
uint32_t shamt_mask = 0x1F;
|
|
uint32_t shamt = rsdata[t][1].i & shamt_mask;
|
|
uint32_t result = (uint32_t)rsdata[t][0].i << shamt;
|
|
rddata[t].i = sext((uint64_t)result, 32);
|
|
break;
|
|
}
|
|
case 5: {
|
|
uint32_t shamt_mask = 0x1F;
|
|
uint32_t shamt = rsdata[t][1].i & shamt_mask;
|
|
uint32_t result;
|
|
if (func7) {
|
|
// RV64I: SRAW
|
|
result = (int32_t)rsdata[t][0].i >> shamt;
|
|
} else {
|
|
// RV64I: SRLW
|
|
result = (uint32_t)rsdata[t][0].i >> shamt;
|
|
}
|
|
rddata[t].i = sext((uint64_t)result, 32);
|
|
break;
|
|
}
|
|
default:
|
|
std::abort();
|
|
}
|
|
}
|
|
}
|
|
rd_write = true;
|
|
break;
|
|
}
|
|
case I_INST_W: {
|
|
trace->exe_type = ExeType::ALU;
|
|
trace->alu_type = AluType::ARITH;
|
|
trace->used_iregs.set(rsrc0);
|
|
for (uint32_t t = 0; t < num_threads; ++t) {
|
|
if (!tmask_.test(t))
|
|
continue;
|
|
switch (func3) {
|
|
case 0: {
|
|
// RV64I: ADDIW
|
|
uint32_t result = (uint32_t)rsdata[t][0].i + (uint32_t)immsrc;
|
|
rddata[t].i = sext((uint64_t)result, 32);
|
|
break;
|
|
}
|
|
case 1: {
|
|
// RV64I: SLLIW
|
|
uint32_t shamt_mask = 0x1F;
|
|
uint32_t shamt = immsrc & shamt_mask;
|
|
uint32_t result = rsdata[t][0].i << shamt;
|
|
rddata[t].i = sext((uint64_t)result, 32);
|
|
break;
|
|
}
|
|
case 5: {
|
|
uint32_t shamt_mask = 0x1F;
|
|
uint32_t shamt = immsrc & shamt_mask;
|
|
uint32_t result;
|
|
if (func7) {
|
|
// RV64I: SRAIW
|
|
result = (int32_t)rsdata[t][0].i >> shamt;
|
|
} else {
|
|
// RV64I: SRLIW
|
|
result = (uint32_t)rsdata[t][0].i >> shamt;
|
|
}
|
|
rddata[t].i = sext((uint64_t)result, 32);
|
|
break;
|
|
}
|
|
default:
|
|
std::abort();
|
|
}
|
|
}
|
|
rd_write = true;
|
|
break;
|
|
}
|
|
case B_INST: {
|
|
trace->exe_type = ExeType::ALU;
|
|
trace->alu_type = AluType::BRANCH;
|
|
trace->used_iregs.set(rsrc0);
|
|
trace->used_iregs.set(rsrc1);
|
|
for (uint32_t t = 0; t < num_threads; ++t) {
|
|
if (!tmask_.test(t))
|
|
continue;
|
|
switch (func3) {
|
|
case 0: {
|
|
// RV32I: BEQ
|
|
if (rsdata[t][0].i == rsdata[t][1].i) {
|
|
nextPC = uint32_t(PC_ + immsrc);
|
|
}
|
|
break;
|
|
}
|
|
case 1: {
|
|
// RV32I: BNE
|
|
if (rsdata[t][0].i != rsdata[t][1].i) {
|
|
nextPC = uint32_t(PC_ + immsrc);
|
|
}
|
|
break;
|
|
}
|
|
case 4: {
|
|
// RV32I: BLT
|
|
if (WordI(rsdata[t][0].i) < WordI(rsdata[t][1].i)) {
|
|
nextPC = uint32_t(PC_ + immsrc);
|
|
}
|
|
break;
|
|
}
|
|
case 5: {
|
|
// RV32I: BGE
|
|
if (WordI(rsdata[t][0].i) >= WordI(rsdata[t][1].i)) {
|
|
nextPC = uint32_t(PC_ + immsrc);
|
|
}
|
|
break;
|
|
}
|
|
case 6: {
|
|
// RV32I: BLTU
|
|
if (Word(rsdata[t][0].i) < Word(rsdata[t][1].i)) {
|
|
nextPC = uint32_t(PC_ + immsrc);
|
|
}
|
|
break;
|
|
}
|
|
case 7: {
|
|
// RV32I: BGEU
|
|
if (Word(rsdata[t][0].i) >= Word(rsdata[t][1].i)) {
|
|
nextPC = uint32_t(PC_ + immsrc);
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
std::abort();
|
|
}
|
|
break; // runonce
|
|
}
|
|
trace->fetch_stall = true;
|
|
break;
|
|
}
|
|
// RV32I: JAL
|
|
case JAL_INST: {
|
|
trace->exe_type = ExeType::ALU;
|
|
trace->alu_type = AluType::BRANCH;
|
|
for (uint32_t t = 0; t < num_threads; ++t) {
|
|
if (!tmask_.test(t))
|
|
continue;
|
|
rddata[t].i = nextPC;
|
|
nextPC = uint32_t(PC_ + immsrc);
|
|
trace->fetch_stall = true;
|
|
break; // runonce
|
|
}
|
|
rd_write = true;
|
|
break;
|
|
}
|
|
// RV32I: JALR
|
|
case JALR_INST: {
|
|
trace->exe_type = ExeType::ALU;
|
|
trace->alu_type = AluType::BRANCH;
|
|
trace->used_iregs.set(rsrc0);
|
|
for (uint32_t t = 0; t < num_threads; ++t) {
|
|
if (!tmask_.test(t))
|
|
continue;
|
|
rddata[t].i = nextPC;
|
|
nextPC = uint32_t(rsdata[t][0].i + immsrc);
|
|
trace->fetch_stall = true;
|
|
break; // runOnce
|
|
}
|
|
rd_write = true;
|
|
break;
|
|
}
|
|
case L_INST:
|
|
case FL: {
|
|
trace->exe_type = ExeType::LSU;
|
|
trace->lsu_type = LsuType::LOAD;
|
|
trace->used_iregs.set(rsrc0);
|
|
auto trace_data = new LsuTraceData(num_threads);
|
|
trace->data = trace_data;
|
|
if ((opcode == L_INST )
|
|
|| (opcode == FL && func3 == 2)
|
|
|| (opcode == FL && func3 == 3)) {
|
|
uint32_t mem_bytes = 1 << (func3 & 0x3);
|
|
for (uint32_t t = 0; t < num_threads; ++t) {
|
|
if (!tmask_.test(t))
|
|
continue;
|
|
uint64_t mem_addr = rsdata[t][0].i + immsrc;
|
|
uint64_t mem_data = 0;
|
|
core_->dcache_read(&mem_data, mem_addr, mem_bytes);
|
|
trace_data->mem_addrs.at(t) = {mem_addr, mem_bytes};
|
|
switch (func3) {
|
|
case 0:
|
|
// RV32I: LB
|
|
rddata[t].i = sext((Word)mem_data, 8);
|
|
break;
|
|
case 1:
|
|
// RV32I: LH
|
|
rddata[t].i = sext((Word)mem_data, 16);
|
|
break;
|
|
case 2:
|
|
if (opcode == L_INST) {
|
|
// RV32I: LW
|
|
rddata[t].i = sext((Word)mem_data, 32);
|
|
} else {
|
|
// RV32F: FLW
|
|
rddata[t].f = nan_box((uint32_t)mem_data);
|
|
}
|
|
break;
|
|
case 3: // RV64I: LD
|
|
// RV32D: FLD
|
|
case 4: // RV32I: LBU
|
|
case 5: // RV32I: LHU
|
|
case 6: // RV64I: LWU
|
|
rddata[t]._ = mem_data;
|
|
break;
|
|
default:
|
|
std::abort();
|
|
}
|
|
}
|
|
} else {
|
|
auto &vd = vreg_file_.at(rdest);
|
|
switch (instr.getVlsWidth()) {
|
|
case 6: {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
Word mem_addr = ((rsdata[i][0].i) & 0xFFFFFFFC) + (i * vtype_.vsew / 8);
|
|
Word mem_data = 0;
|
|
core_->dcache_read(&mem_data, mem_addr, 4);
|
|
Word *result_ptr = (Word *)(vd.data() + i);
|
|
*result_ptr = mem_data;
|
|
}
|
|
break;
|
|
}
|
|
default:
|
|
std::abort();
|
|
}
|
|
}
|
|
rd_write = true;
|
|
break;
|
|
}
|
|
case S_INST:
|
|
case FS: {
|
|
trace->exe_type = ExeType::LSU;
|
|
trace->lsu_type = LsuType::STORE;
|
|
trace->used_iregs.set(rsrc0);
|
|
trace->used_iregs.set(rsrc1);
|
|
auto trace_data = new LsuTraceData(num_threads);
|
|
trace->data = trace_data;
|
|
if ((opcode == S_INST)
|
|
|| (opcode == FS && func3 == 2)
|
|
|| (opcode == FS && func3 == 3)) {
|
|
uint32_t mem_bytes = 1 << (func3 & 0x3);
|
|
uint64_t mask = ((uint64_t(1) << (8 * mem_bytes))-1);
|
|
for (uint32_t t = 0; t < num_threads; ++t) {
|
|
if (!tmask_.test(t))
|
|
continue;
|
|
uint64_t mem_addr = rsdata[t][0].i + immsrc;
|
|
uint64_t mem_data = rsdata[t][1]._;
|
|
if (mem_bytes < 8) {
|
|
mem_data &= mask;
|
|
}
|
|
trace_data->mem_addrs.at(t) = {mem_addr, mem_bytes};
|
|
switch (func3) {
|
|
case 0:
|
|
case 1:
|
|
case 2:
|
|
case 3:
|
|
core_->dcache_write(&mem_data, mem_addr, mem_bytes);
|
|
break;
|
|
default:
|
|
std::abort();
|
|
}
|
|
}
|
|
} else {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint64_t mem_addr = rsdata[i][0].i + (i * vtype_.vsew / 8);
|
|
switch (instr.getVlsWidth()) {
|
|
case 6: {
|
|
// store word and unit strided (not checking for unit stride)
|
|
uint32_t mem_data = *(uint32_t *)(vreg_file_.at(instr.getVs3()).data() + i);
|
|
core_->dcache_write(&mem_data, mem_addr, 4);
|
|
break;
|
|
}
|
|
default:
|
|
std::abort();
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
case SYS_INST: {
|
|
for (uint32_t t = 0; t < num_threads; ++t) {
|
|
if (!tmask_.test(t))
|
|
continue;
|
|
uint32_t csr_addr = immsrc;
|
|
uint32_t csr_value;
|
|
if (func3 == 0) {
|
|
trace->exe_type = ExeType::ALU;
|
|
trace->alu_type = AluType::SYSCALL;
|
|
trace->fetch_stall = true;
|
|
switch (csr_addr) {
|
|
case 0: { // RV32I: ECALL
|
|
core_->trigger_ecall();
|
|
break;
|
|
}
|
|
case 1: { // RV32I: EBREAK
|
|
core_->trigger_ebreak();
|
|
break;
|
|
}
|
|
case 0x002: // URET
|
|
case 0x102: // SRET
|
|
case 0x302: // MRET
|
|
break;
|
|
default:
|
|
std::abort();
|
|
}
|
|
} else {
|
|
trace->exe_type = ExeType::CSR;
|
|
csr_value = core_->get_csr(csr_addr, t, id_);
|
|
switch (func3) {
|
|
case 1: {
|
|
// RV32I: CSRRW
|
|
rddata[t].i = csr_value;
|
|
core_->set_csr(csr_addr, rsdata[t][0].i, t, id_);
|
|
trace->used_iregs.set(rsrc0);
|
|
rd_write = true;
|
|
break;
|
|
}
|
|
case 2: {
|
|
// RV32I: CSRRS
|
|
rddata[t].i = csr_value;
|
|
if (rsdata[t][0].i) {
|
|
core_->set_csr(csr_addr, csr_value | rsdata[t][0].i, t, id_);
|
|
}
|
|
trace->used_iregs.set(rsrc0);
|
|
rd_write = true;
|
|
break;
|
|
}
|
|
case 3: {
|
|
// RV32I: CSRRC
|
|
rddata[t].i = csr_value;
|
|
if (rsdata[t][0].i) {
|
|
core_->set_csr(csr_addr, csr_value & ~rsdata[t][0].i, t, id_);
|
|
}
|
|
trace->used_iregs.set(rsrc0);
|
|
rd_write = true;
|
|
break;
|
|
}
|
|
case 5: {
|
|
// RV32I: CSRRWI
|
|
rddata[t].i = csr_value;
|
|
core_->set_csr(csr_addr, rsrc0, t, id_);
|
|
rd_write = true;
|
|
break;
|
|
}
|
|
case 6: {
|
|
// RV32I: CSRRSI;
|
|
rddata[t].i = csr_value;
|
|
if (rsrc0) {
|
|
core_->set_csr(csr_addr, csr_value | rsrc0, t, id_);
|
|
}
|
|
rd_write = true;
|
|
break;
|
|
}
|
|
case 7: {
|
|
// RV32I: CSRRCI
|
|
rddata[t].i = csr_value;
|
|
if (rsrc0) {
|
|
core_->set_csr(csr_addr, csr_value & ~rsrc0, t, id_);
|
|
}
|
|
rd_write = true;
|
|
break;
|
|
}
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
// RV32I: FENCE
|
|
case FENCE: {
|
|
trace->exe_type = ExeType::LSU;
|
|
trace->lsu_type = LsuType::FENCE;
|
|
break;
|
|
}
|
|
case FCI: {
|
|
trace->exe_type = ExeType::FPU;
|
|
for (uint32_t t = 0; t < num_threads; ++t) {
|
|
if (!tmask_.test(t))
|
|
continue;
|
|
uint32_t frm = get_fpu_rm(func3, core_, t, id_);
|
|
uint32_t fflags = 0;
|
|
switch (func7) {
|
|
case 0x00: { // RV32F: FADD.S
|
|
if (checkBoxedArgs(&rddata[t].f, rsdata[t][0].f, rsdata[t][1].f, &fflags)) {
|
|
rddata[t].f = nan_box(rv_fadd_s(rsdata[t][0].f, rsdata[t][1].f, frm, &fflags));
|
|
}
|
|
trace->fpu_type = FpuType::FMA;
|
|
trace->used_fregs.set(rsrc0);
|
|
trace->used_fregs.set(rsrc1);
|
|
break;
|
|
}
|
|
case 0x01: { // RV32D: FADD.D
|
|
rddata[t].f = rv_fadd_d(rsdata[t][0].f, rsdata[t][1].f, frm, &fflags);
|
|
trace->fpu_type = FpuType::FMA;
|
|
trace->used_fregs.set(rsrc0);
|
|
trace->used_fregs.set(rsrc1);
|
|
break;
|
|
}
|
|
case 0x04: { // RV32F: FSUB.S
|
|
if (checkBoxedArgs(&rddata[t].f, rsdata[t][0].f, rsdata[t][1].f, &fflags)) {
|
|
rddata[t].f = nan_box(rv_fsub_s(rsdata[t][0].f, rsdata[t][1].f, frm, &fflags));
|
|
}
|
|
trace->fpu_type = FpuType::FMA;
|
|
trace->used_fregs.set(rsrc0);
|
|
trace->used_fregs.set(rsrc1);
|
|
break;
|
|
}
|
|
case 0x05: { // RV32D: FSUB.D
|
|
rddata[t].f = rv_fsub_d(rsdata[t][0].f, rsdata[t][1].f, frm, &fflags);
|
|
trace->fpu_type = FpuType::FMA;
|
|
trace->used_fregs.set(rsrc0);
|
|
trace->used_fregs.set(rsrc1);
|
|
break;
|
|
}
|
|
case 0x08: { // RV32F: FMUL.S
|
|
if (checkBoxedArgs(&rddata[t].f, rsdata[t][0].f, rsdata[t][1].f, &fflags)) {
|
|
rddata[t].f = nan_box(rv_fmul_s(rsdata[t][0].f, rsdata[t][1].f, frm, &fflags));
|
|
}
|
|
trace->fpu_type = FpuType::FMA;
|
|
trace->used_fregs.set(rsrc0);
|
|
trace->used_fregs.set(rsrc1);
|
|
break;
|
|
}
|
|
case 0x09: { // RV32D: FMUL.D
|
|
rddata[t].f = rv_fmul_d(rsdata[t][0].f, rsdata[t][1].f, frm, &fflags);
|
|
trace->fpu_type = FpuType::FMA;
|
|
trace->used_fregs.set(rsrc0);
|
|
trace->used_fregs.set(rsrc1);
|
|
break;
|
|
}
|
|
case 0x0c: { // RV32F: FDIV.S
|
|
if (checkBoxedArgs(&rddata[t].f, rsdata[t][0].f, rsdata[t][1].f, &fflags)) {
|
|
rddata[t].f = nan_box(rv_fdiv_s(rsdata[t][0].f, rsdata[t][1].f, frm, &fflags));
|
|
}
|
|
trace->fpu_type = FpuType::FDIV;
|
|
trace->used_fregs.set(rsrc0);
|
|
trace->used_fregs.set(rsrc1);
|
|
break;
|
|
}
|
|
case 0x0d: { // RV32D: FDIV.D
|
|
rddata[t].f = rv_fdiv_d(rsdata[t][0].f, rsdata[t][1].f, frm, &fflags);
|
|
trace->fpu_type = FpuType::FDIV;
|
|
trace->used_fregs.set(rsrc0);
|
|
trace->used_fregs.set(rsrc1);
|
|
break;
|
|
}
|
|
case 0x2c: { // RV32F: FSQRT.S
|
|
if (checkBoxedArgs(&rddata[t].f, rsdata[t][0].f, &fflags)) {
|
|
rddata[t].f = nan_box(rv_fsqrt_s(rsdata[t][0].f, frm, &fflags));
|
|
}
|
|
trace->fpu_type = FpuType::FSQRT;
|
|
trace->used_fregs.set(rsrc0);
|
|
break;
|
|
}
|
|
case 0x2d: { // RV32D: FSQRT.D
|
|
rddata[t].f = rv_fsqrt_d(rsdata[t][0].f, frm, &fflags);
|
|
trace->fpu_type = FpuType::FSQRT;
|
|
trace->used_fregs.set(rsrc0);
|
|
break;
|
|
}
|
|
case 0x10: {
|
|
if (checkBoxedArgs(&rddata[t].f, rsdata[t][0].f, rsdata[t][1].f, &fflags)) {
|
|
switch (func3) {
|
|
case 0: // RV32F: FSGNJ.S
|
|
rddata[t].f = nan_box(rv_fsgnj_s(rsdata[t][0].f, rsdata[t][1].f));
|
|
break;
|
|
case 1: // RV32F: FSGNJN.S
|
|
rddata[t].f = nan_box(rv_fsgnjn_s(rsdata[t][0].f, rsdata[t][1].f));
|
|
break;
|
|
case 2: // RV32F: FSGNJX.S
|
|
rddata[t].f = nan_box(rv_fsgnjx_s(rsdata[t][0].f, rsdata[t][1].f));
|
|
break;
|
|
}
|
|
}
|
|
trace->fpu_type = FpuType::FNCP;
|
|
trace->used_fregs.set(rsrc0);
|
|
trace->used_fregs.set(rsrc1);
|
|
break;
|
|
}
|
|
case 0x11: {
|
|
switch (func3) {
|
|
case 0: // RV32D: FSGNJ.D
|
|
rddata[t].f = rv_fsgnj_d(rsdata[t][0].f, rsdata[t][1].f);
|
|
break;
|
|
case 1: // RV32D: FSGNJN.D
|
|
rddata[t].f = rv_fsgnjn_d(rsdata[t][0].f, rsdata[t][1].f);
|
|
break;
|
|
case 2: // RV32D: FSGNJX.D
|
|
rddata[t].f = rv_fsgnjx_d(rsdata[t][0].f, rsdata[t][1].f);
|
|
break;
|
|
}
|
|
trace->fpu_type = FpuType::FNCP;
|
|
trace->used_fregs.set(rsrc0);
|
|
trace->used_fregs.set(rsrc1);
|
|
break;
|
|
}
|
|
case 0x14: {
|
|
if (checkBoxedArgs(&rddata[t].f, rsdata[t][0].f, rsdata[t][1].f, &fflags)) {
|
|
if (func3) {
|
|
// RV32F: FMAX.S
|
|
rddata[t].f = nan_box(rv_fmax_s(rsdata[t][0].f, rsdata[t][1].f, &fflags));
|
|
} else {
|
|
// RV32F: FMIN.S
|
|
rddata[t].f = nan_box(rv_fmin_s(rsdata[t][0].f, rsdata[t][1].f, &fflags));
|
|
}
|
|
}
|
|
trace->fpu_type = FpuType::FNCP;
|
|
trace->used_fregs.set(rsrc0);
|
|
trace->used_fregs.set(rsrc1);
|
|
break;
|
|
}
|
|
case 0x15: {
|
|
if (func3) {
|
|
// RV32D: FMAX.D
|
|
rddata[t].f = rv_fmax_d(rsdata[t][0].f, rsdata[t][1].f, &fflags);
|
|
} else {
|
|
// RV32D: FMIN.D
|
|
rddata[t].f = rv_fmin_d(rsdata[t][0].f, rsdata[t][1].f, &fflags);
|
|
}
|
|
trace->fpu_type = FpuType::FNCP;
|
|
trace->used_fregs.set(rsrc0);
|
|
trace->used_fregs.set(rsrc1);
|
|
break;
|
|
}
|
|
case 0x20: {
|
|
// RV32D: FCVT.S.D
|
|
rddata[t].f = nan_box(rv_dtof(rsdata[t][0].f));
|
|
trace->fpu_type = FpuType::FNCP;
|
|
trace->used_fregs.set(rsrc0);
|
|
trace->used_fregs.set(rsrc1);
|
|
break;
|
|
}
|
|
case 0x21: {
|
|
// RV32D: FCVT.D.S
|
|
rddata[t].f = rv_ftod(rsdata[t][0].f);
|
|
trace->fpu_type = FpuType::FNCP;
|
|
trace->used_fregs.set(rsrc0);
|
|
trace->used_fregs.set(rsrc1);
|
|
break;
|
|
}
|
|
case 0x60: {
|
|
switch (rsrc1) {
|
|
case 0:
|
|
// RV32F: FCVT.W.S
|
|
rddata[t].i = sext((uint64_t)rv_ftoi_s(rsdata[t][0].f, frm, &fflags), 32);
|
|
break;
|
|
case 1:
|
|
// RV32F: FCVT.WU.S
|
|
rddata[t].i = sext((uint64_t)rv_ftou_s(rsdata[t][0].f, frm, &fflags), 32);
|
|
break;
|
|
case 2:
|
|
// RV64F: FCVT.L.S
|
|
rddata[t].i = rv_ftol_s(rsdata[t][0].f, frm, &fflags);
|
|
break;
|
|
case 3:
|
|
// RV64F: FCVT.LU.S
|
|
rddata[t].i = rv_ftolu_s(rsdata[t][0].f, frm, &fflags);
|
|
break;
|
|
}
|
|
trace->fpu_type = FpuType::FCVT;
|
|
trace->used_fregs.set(rsrc0);
|
|
break;
|
|
}
|
|
case 0x61: {
|
|
switch (rsrc1) {
|
|
case 0:
|
|
// RV32D: FCVT.W.D
|
|
rddata[t].i = sext((uint64_t)rv_ftoi_d(rsdata[t][0].f, frm, &fflags), 32);
|
|
break;
|
|
case 1:
|
|
// RV32D: FCVT.WU.D
|
|
rddata[t].i = sext((uint64_t)rv_ftou_d(rsdata[t][0].f, frm, &fflags), 32);
|
|
break;
|
|
case 2:
|
|
// RV64D: FCVT.L.D
|
|
rddata[t].i = rv_ftol_d(rsdata[t][0].f, frm, &fflags);
|
|
break;
|
|
case 3:
|
|
// RV64D: FCVT.LU.D
|
|
rddata[t].i = rv_ftolu_d(rsdata[t][0].f, frm, &fflags);
|
|
break;
|
|
}
|
|
trace->fpu_type = FpuType::FCVT;
|
|
trace->used_fregs.set(rsrc0);
|
|
break;
|
|
}
|
|
case 0x70: {
|
|
if (func3) {
|
|
// RV32F: FCLASS.S
|
|
rddata[t].i = rv_fclss_s(rsdata[t][0].f);
|
|
} else {
|
|
// RV32F: FMV.X.W
|
|
uint32_t result = (uint32_t)rsdata[t][0].f;
|
|
rddata[t].i = sext((uint64_t)result, 32);
|
|
}
|
|
trace->fpu_type = FpuType::FNCP;
|
|
trace->used_fregs.set(rsrc0);
|
|
break;
|
|
}
|
|
case 0x71: {
|
|
if (func3) {
|
|
// RV32D: FCLASS.D
|
|
rddata[t].i = rv_fclss_d(rsdata[t][0].f);
|
|
} else {
|
|
// RV64D: FMV.X.D
|
|
rddata[t].i = rsdata[t][0].f;
|
|
}
|
|
trace->fpu_type = FpuType::FNCP;
|
|
trace->used_fregs.set(rsrc0);
|
|
break;
|
|
}
|
|
case 0x50: {
|
|
if (checkBoxedCmpArgs(&rddata[t].i, rsdata[t][0].f, rsdata[t][1].f, &fflags)) {
|
|
switch (func3) {
|
|
case 0:
|
|
// RV32F: FLE.S
|
|
rddata[t].i = rv_fle_s(rsdata[t][0].f, rsdata[t][1].f, &fflags);
|
|
break;
|
|
case 1:
|
|
// RV32F: FLT.S
|
|
rddata[t].i = rv_flt_s(rsdata[t][0].f, rsdata[t][1].f, &fflags);
|
|
break;
|
|
case 2:
|
|
// RV32F: FEQ.S
|
|
rddata[t].i = rv_feq_s(rsdata[t][0].f, rsdata[t][1].f, &fflags);
|
|
break;
|
|
}
|
|
}
|
|
trace->fpu_type = FpuType::FNCP;
|
|
trace->used_fregs.set(rsrc0);
|
|
trace->used_fregs.set(rsrc1);
|
|
break;
|
|
}
|
|
case 0x51: {
|
|
switch (func3) {
|
|
case 0:
|
|
// RV32D: FLE.D
|
|
rddata[t].i = rv_fle_d(rsdata[t][0].f, rsdata[t][1].f, &fflags);
|
|
break;
|
|
case 1:
|
|
// RV32D: FLT.D
|
|
rddata[t].i = rv_flt_d(rsdata[t][0].f, rsdata[t][1].f, &fflags);
|
|
break;
|
|
case 2:
|
|
// RV32D: FEQ.D
|
|
rddata[t].i = rv_feq_d(rsdata[t][0].f, rsdata[t][1].f, &fflags);
|
|
break;
|
|
}
|
|
trace->fpu_type = FpuType::FNCP;
|
|
trace->used_fregs.set(rsrc0);
|
|
trace->used_fregs.set(rsrc1);
|
|
break;
|
|
}
|
|
case 0x68: {
|
|
switch (rsrc1) {
|
|
case 0:
|
|
// RV32F: FCVT.S.W
|
|
rddata[t].f = nan_box(rv_itof_s(rsdata[t][0].i, frm, &fflags));
|
|
break;
|
|
case 1:
|
|
// RV32F: FCVT.S.WU
|
|
rddata[t].f = nan_box(rv_utof_s(rsdata[t][0].i, frm, &fflags));
|
|
break;
|
|
case 2:
|
|
// RV64F: FCVT.S.L
|
|
rddata[t].f = nan_box(rv_ltof_s(rsdata[t][0].i, frm, &fflags));
|
|
break;
|
|
case 3:
|
|
// RV64F: FCVT.S.LU
|
|
rddata[t].f = nan_box(rv_lutof_s(rsdata[t][0].i, frm, &fflags));
|
|
break;
|
|
}
|
|
trace->fpu_type = FpuType::FCVT;
|
|
trace->used_iregs.set(rsrc0);
|
|
break;
|
|
}
|
|
case 0x69: {
|
|
switch (rsrc1) {
|
|
case 0:
|
|
// RV32D: FCVT.D.W
|
|
rddata[t].f = rv_itof_d(rsdata[t][0].i, frm, &fflags);
|
|
break;
|
|
case 1:
|
|
// RV32D: FCVT.D.WU
|
|
rddata[t].f = rv_utof_d(rsdata[t][0].i, frm, &fflags);
|
|
break;
|
|
case 2:
|
|
// RV64D: FCVT.D.L
|
|
rddata[t].f = rv_ltof_d(rsdata[t][0].i, frm, &fflags);
|
|
break;
|
|
case 3:
|
|
// RV64D: FCVT.D.LU
|
|
rddata[t].f = rv_lutof_d(rsdata[t][0].i, frm, &fflags);
|
|
break;
|
|
}
|
|
trace->fpu_type = FpuType::FCVT;
|
|
trace->used_iregs.set(rsrc0);
|
|
break;
|
|
}
|
|
case 0x78: { // RV32F: FMV.W.X
|
|
rddata[t].f = nan_box((uint32_t)rsdata[t][0].i);
|
|
trace->fpu_type = FpuType::FNCP;
|
|
trace->used_iregs.set(rsrc0);
|
|
break;
|
|
}
|
|
case 0x79: { // RV64D: FMV.D.X
|
|
rddata[t].f = rsdata[t][0].i;
|
|
trace->fpu_type = FpuType::FNCP;
|
|
trace->used_iregs.set(rsrc0);
|
|
break;
|
|
}
|
|
}
|
|
update_fcrs(fflags, core_, t, id_);
|
|
}
|
|
rd_write = true;
|
|
break;
|
|
}
|
|
case FMADD:
|
|
case FMSUB:
|
|
case FMNMADD:
|
|
case FMNMSUB: {
|
|
trace->fpu_type = FpuType::FMA;
|
|
trace->used_fregs.set(rsrc0);
|
|
trace->used_fregs.set(rsrc1);
|
|
trace->used_fregs.set(rsrc2);
|
|
for (uint32_t t = 0; t < num_threads; ++t) {
|
|
if (!tmask_.test(t))
|
|
continue;
|
|
uint32_t frm = get_fpu_rm(func3, core_, t, id_);
|
|
uint32_t fflags = 0;
|
|
switch (opcode) {
|
|
case FMADD:
|
|
if (func2)
|
|
// RV32D: FMADD.D
|
|
rddata[t].f = rv_fmadd_d(rsdata[t][0].f, rsdata[t][1].f, rsdata[t][2].f, frm, &fflags);
|
|
else
|
|
// RV32F: FMADD.S
|
|
rddata[t].f = nan_box(rv_fmadd_s(rsdata[t][0].f, rsdata[t][1].f, rsdata[t][2].f, frm, &fflags));
|
|
break;
|
|
case FMSUB:
|
|
if (func2)
|
|
// RV32D: FMSUB.D
|
|
rddata[t].f = rv_fmsub_d(rsdata[t][0].f, rsdata[t][1].f, rsdata[t][2].f, frm, &fflags);
|
|
else
|
|
// RV32F: FMSUB.S
|
|
rddata[t].f = nan_box(rv_fmsub_s(rsdata[t][0].f, rsdata[t][1].f, rsdata[t][2].f, frm, &fflags));
|
|
break;
|
|
case FMNMADD:
|
|
if (func2)
|
|
// RV32D: FNMADD.D
|
|
rddata[t].f = rv_fnmadd_d(rsdata[t][0].f, rsdata[t][1].f, rsdata[t][2].f, frm, &fflags);
|
|
else
|
|
// RV32F: FNMADD.S
|
|
rddata[t].f = nan_box(rv_fnmadd_s(rsdata[t][0].f, rsdata[t][1].f, rsdata[t][2].f, frm, &fflags));
|
|
break;
|
|
case FMNMSUB:
|
|
if (func2)
|
|
// RV32D: FNMSUB.D
|
|
rddata[t].f = rv_fnmsub_d(rsdata[t][0].f, rsdata[t][1].f, rsdata[t][2].f, frm, &fflags);
|
|
else
|
|
// RV32F: FNMSUB.S
|
|
rddata[t].f = nan_box(rv_fnmsub_s(rsdata[t][0].f, rsdata[t][1].f, rsdata[t][2].f, frm, &fflags));
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
update_fcrs(fflags, core_, t, id_);
|
|
}
|
|
rd_write = true;
|
|
break;
|
|
}
|
|
case EXT1: {
|
|
switch (func7) {
|
|
case 0: {
|
|
uint32_t ts = 0;
|
|
for (uint32_t t = 0; t < num_threads; ++t) {
|
|
if (tmask_.test(t)) {
|
|
ts = t;
|
|
break;
|
|
}
|
|
}
|
|
switch (func3) {
|
|
case 0: {
|
|
// TMC
|
|
trace->exe_type = ExeType::GPU;
|
|
trace->gpu_type = GpuType::TMC;
|
|
trace->used_iregs.set(rsrc0);
|
|
trace->fetch_stall = true;
|
|
if (rsrc1) {
|
|
// predicate mode
|
|
ThreadMask pred;
|
|
for (uint32_t t = 0; t < num_threads; ++t) {
|
|
pred[t] = tmask_.test(t) ? (ireg_file_.at(t).at(rsrc0) != 0) : 0;
|
|
}
|
|
if (pred.any()) {
|
|
tmask_ &= pred;
|
|
}
|
|
} else {
|
|
tmask_.reset();
|
|
for (uint32_t t = 0; t < num_threads; ++t) {
|
|
tmask_.set(t, rsdata.at(ts)[0].i & (1 << t));
|
|
}
|
|
}
|
|
DPH(3, "*** New TMC: ");
|
|
for (uint32_t i = 0; i < num_threads; ++i)
|
|
DPN(3, tmask_.test(num_threads-i-1));
|
|
DPN(3, std::endl);
|
|
|
|
active_ = tmask_.any();
|
|
trace->data = new GPUTraceData(active_ << id_);
|
|
} break;
|
|
case 1: {
|
|
// WSPAWN
|
|
trace->exe_type = ExeType::GPU;
|
|
trace->gpu_type = GpuType::WSPAWN;
|
|
trace->used_iregs.set(rsrc0);
|
|
trace->used_iregs.set(rsrc1);
|
|
trace->fetch_stall = true;
|
|
trace->data = new GPUTraceData(core_->wspawn(rsdata.at(ts)[0].i, rsdata.at(ts)[1].i));
|
|
} break;
|
|
case 2: {
|
|
// SPLIT
|
|
trace->exe_type = ExeType::GPU;
|
|
trace->gpu_type = GpuType::SPLIT;
|
|
trace->used_iregs.set(rsrc0);
|
|
trace->fetch_stall = true;
|
|
if (HasDivergentThreads(tmask_, ireg_file_, rsrc0)) {
|
|
ThreadMask tmask;
|
|
for (uint32_t t = 0; t < num_threads; ++t) {
|
|
tmask[t] = tmask_.test(t) && !ireg_file_.at(t).at(rsrc0);
|
|
}
|
|
|
|
DomStackEntry e(tmask, nextPC);
|
|
dom_stack_.push(tmask_);
|
|
dom_stack_.push(e);
|
|
for (uint32_t t = 0, n = e.tmask.size(); t < n; ++t) {
|
|
tmask_.set(t, !e.tmask.test(t) && tmask_.test(t));
|
|
}
|
|
active_ = tmask_.any();
|
|
|
|
DPH(3, "*** Split: New TM=");
|
|
for (uint32_t t = 0; t < num_threads; ++t) DPN(3, tmask_.test(num_threads-t-1));
|
|
DPN(3, ", Pushed TM=");
|
|
for (uint32_t t = 0; t < num_threads; ++t) DPN(3, e.tmask.test(num_threads-t-1));
|
|
DPN(3, ", PC=0x" << std::hex << e.PC << "\n");
|
|
} else {
|
|
DP(3, "*** Unanimous pred");
|
|
DomStackEntry e(tmask_);
|
|
e.unanimous = true;
|
|
dom_stack_.push(e);
|
|
}
|
|
} break;
|
|
case 3: {
|
|
// JOIN
|
|
trace->exe_type = ExeType::GPU;
|
|
trace->gpu_type = GpuType::JOIN;
|
|
trace->fetch_stall = true;
|
|
if (!dom_stack_.empty() && dom_stack_.top().unanimous) {
|
|
DP(3, "*** Uninimous branch at join");
|
|
tmask_ = dom_stack_.top().tmask;
|
|
active_ = tmask_.any();
|
|
dom_stack_.pop();
|
|
} else {
|
|
if (!dom_stack_.top().fallThrough) {
|
|
nextPC = dom_stack_.top().PC;
|
|
DP(3, "*** Join: next PC: " << std::hex << nextPC << std::dec);
|
|
}
|
|
|
|
tmask_ = dom_stack_.top().tmask;
|
|
active_ = tmask_.any();
|
|
|
|
DPH(3, "*** Join: New TM=");
|
|
for (uint32_t t = 0; t < num_threads; ++t) DPN(3, tmask_.test(num_threads-t-1));
|
|
DPN(3, "\n");
|
|
|
|
dom_stack_.pop();
|
|
}
|
|
} break;
|
|
case 4: {
|
|
// BAR
|
|
trace->exe_type = ExeType::GPU;
|
|
trace->gpu_type = GpuType::BAR;
|
|
trace->used_iregs.set(rsrc0);
|
|
trace->used_iregs.set(rsrc1);
|
|
trace->fetch_stall = true;
|
|
trace->data = new GPUTraceData(core_->barrier(rsdata[ts][0].i, rsdata[ts][1].i, id_));
|
|
} break;
|
|
case 5: {
|
|
// PREFETCH
|
|
trace->exe_type = ExeType::LSU;
|
|
trace->lsu_type = LsuType::PREFETCH;
|
|
trace->used_iregs.set(rsrc0);
|
|
auto trace_data = new LsuTraceData(num_threads);
|
|
trace->data = trace_data;
|
|
for (uint32_t t = 0; t < num_threads; ++t) {
|
|
if (!tmask_.test(t))
|
|
continue;
|
|
auto mem_addr = rsdata[t][0].i;
|
|
trace_data->mem_addrs.at(t) = {mem_addr, 4};
|
|
}
|
|
} break;
|
|
default:
|
|
std::abort();
|
|
}
|
|
} break;
|
|
case 1:
|
|
switch (func3) {
|
|
case 0: { // RASTER
|
|
trace->exe_type = ExeType::GPU;
|
|
trace->gpu_type = GpuType::RASTER;
|
|
for (uint32_t t = 0; t < num_threads; ++t) {
|
|
if (!tmask_.test(t))
|
|
continue;
|
|
auto result = core_->raster_srv_->fetch(id_, t);
|
|
rddata[t].i = result;
|
|
}
|
|
rd_write = true;
|
|
} break;
|
|
case 1: { // ROP
|
|
trace->exe_type = ExeType::GPU;
|
|
trace->gpu_type = GpuType::ROP;
|
|
trace->used_iregs.set(rsrc0);
|
|
trace->used_iregs.set(rsrc1);
|
|
for (uint32_t t = 0; t < num_threads; ++t) {
|
|
if (!tmask_.test(t))
|
|
continue;
|
|
auto color = rsdata[t][0].i;
|
|
auto depth = rsdata[t][1].i;
|
|
auto x_y = core_->raster_srv_->csr_read(id_, t, CSR_RASTER_X_Y);
|
|
auto mask_pid = core_->raster_srv_->csr_read(id_, t, CSR_RASTER_MASK_PID);
|
|
auto x = x_y & 0xffff;
|
|
auto y = x_y >> 16;
|
|
auto mask = mask_pid & 0xf;
|
|
core_->rop_srv_->write(x, y, mask, color, depth);
|
|
}
|
|
} break;
|
|
default:
|
|
std::abort();
|
|
}
|
|
break;
|
|
default:
|
|
std::abort();
|
|
}
|
|
} break;
|
|
case EXT2: {
|
|
switch (func3) {
|
|
case 0: { // TEX
|
|
trace->exe_type = ExeType::GPU;
|
|
trace->gpu_type = GpuType::TEX;
|
|
trace->used_iregs.set(rsrc0);
|
|
trace->used_iregs.set(rsrc1);
|
|
trace->used_iregs.set(rsrc2);
|
|
auto trace_data = new TexUnit::TraceData();
|
|
trace->data = trace_data;
|
|
for (uint32_t t = 0; t < num_threads; ++t) {
|
|
if (!tmask_.test(t))
|
|
continue;
|
|
auto stage = func2;
|
|
auto u = rsdata[t][0].i;
|
|
auto v = rsdata[t][1].i;
|
|
auto lod = rsdata[t][2].i;
|
|
auto color = core_->tex_unit_->read(stage, u, v, lod, trace_data);
|
|
rddata[t].i = color;
|
|
}
|
|
rd_write = true;
|
|
} break;
|
|
case 1:
|
|
switch (func2) {
|
|
case 0: { // CMOV
|
|
trace->exe_type = ExeType::ALU;
|
|
trace->alu_type = AluType::CMOV;
|
|
trace->used_iregs.set(rsrc0);
|
|
trace->used_iregs.set(rsrc1);
|
|
trace->used_iregs.set(rsrc2);
|
|
for (uint32_t t = 0; t < num_threads; ++t) {
|
|
if (!tmask_.test(t))
|
|
continue;
|
|
rddata[t].i = rsdata[t][0].i ? rsdata[t][1].i : rsdata[t][2].i;
|
|
}
|
|
rd_write = true;
|
|
} break;
|
|
case 1: { // INTERP
|
|
trace->exe_type = ExeType::GPU;
|
|
trace->gpu_type = GpuType::INTERP;
|
|
trace->used_iregs.set(rsrc0);
|
|
trace->used_iregs.set(rsrc1);
|
|
trace->used_iregs.set(rsrc2);
|
|
for (uint32_t t = 0; t < num_threads; ++t) {
|
|
if (!tmask_.test(t))
|
|
continue;
|
|
auto a = rsdata[t][0].i;
|
|
auto b = rsdata[t][1].i;
|
|
auto c = rsdata[t][2].i;
|
|
auto result = core_->raster_srv_->interpolate(id_, t, a, b, c);
|
|
rddata[t].i = result;
|
|
}
|
|
rd_write = true;
|
|
} break;
|
|
case 2: { // IMADD
|
|
trace->exe_type = ExeType::ALU;
|
|
trace->alu_type = AluType::IMADD;
|
|
trace->used_iregs.set(rsrc0);
|
|
trace->used_iregs.set(rsrc1);
|
|
trace->used_iregs.set(rsrc2);
|
|
for (uint32_t t = 0; t < num_threads; ++t) {
|
|
if (!tmask_.test(t))
|
|
continue;
|
|
rddata[t].i = (WordI)rsdata[t][0].i * (WordI)rsdata[t][1].i + (WordI)rsdata[t][2].i;
|
|
}
|
|
rd_write = true;
|
|
} break;
|
|
default:
|
|
std::abort();
|
|
}
|
|
break;
|
|
default:
|
|
std::abort();
|
|
}
|
|
} break;
|
|
case VSET: {
|
|
uint32_t VLEN = arch_.vsize() * 8;
|
|
uint32_t VLMAX = (instr.getVlmul() * VLEN) / instr.getVsew();
|
|
switch (func3) {
|
|
case 0: // vector-vector
|
|
switch (func6) {
|
|
case 0: {
|
|
auto& vr1 = vreg_file_.at(rsrc0);
|
|
auto& vr2 = vreg_file_.at(rsrc1);
|
|
auto& vd = vreg_file_.at(rdest);
|
|
auto& mask = vreg_file_.at(0);
|
|
if (vtype_.vsew == 8) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint8_t emask = *(uint8_t *)(mask.data() + i);
|
|
uint8_t value = emask & 0x1;
|
|
if (vmask || (!vmask && value)) {
|
|
uint8_t first = *(uint8_t *)(vr1.data() + i);
|
|
uint8_t second = *(uint8_t *)(vr2.data() + i);
|
|
uint8_t result = first + second;
|
|
DP(3, "Adding " << first << " + " << second << " = " << result);
|
|
*(uint8_t *)(vd.data() + i) = result;
|
|
}
|
|
}
|
|
} else if (vtype_.vsew == 16) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint16_t emask = *(uint16_t *)(mask.data() + i);
|
|
uint16_t value = emask & 0x1;
|
|
if (vmask || (!vmask && value)) {
|
|
uint16_t first = *(uint16_t *)(vr1.data() + i);
|
|
uint16_t second = *(uint16_t *)(vr2.data() + i);
|
|
uint16_t result = first + second;
|
|
DP(3, "Adding " << first << " + " << second << " = " << result);
|
|
*(uint16_t *)(vd.data() + i) = result;
|
|
}
|
|
}
|
|
} else if (vtype_.vsew == 32) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint32_t emask = *(uint32_t *)(mask.data() + i);
|
|
uint32_t value = emask & 0x1;
|
|
if (vmask || (!vmask && value)) {
|
|
uint32_t first = *(uint32_t *)(vr1.data() + i);
|
|
uint32_t second = *(uint32_t *)(vr2.data() + i);
|
|
uint32_t result = first + second;
|
|
DP(3, "Adding " << first << " + " << second << " = " << result);
|
|
*(uint32_t *)(vd.data() + i) = result;
|
|
}
|
|
}
|
|
}
|
|
} break;
|
|
case 24: {
|
|
// vmseq
|
|
auto &vr1 = vreg_file_.at(rsrc0);
|
|
auto &vr2 = vreg_file_.at(rsrc1);
|
|
auto &vd = vreg_file_.at(rdest);
|
|
if (vtype_.vsew == 8) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint8_t first = *(uint8_t *)(vr1.data() + i);
|
|
uint8_t second = *(uint8_t *)(vr2.data() + i);
|
|
uint8_t result = (first == second) ? 1 : 0;
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint8_t *)(vd.data() + i) = result;
|
|
}
|
|
} else if (vtype_.vsew == 16) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint16_t first = *(uint16_t *)(vr1.data() + i);
|
|
uint16_t second = *(uint16_t *)(vr2.data() + i);
|
|
uint16_t result = (first == second) ? 1 : 0;
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint16_t *)(vd.data() + i) = result;
|
|
}
|
|
} else if (vtype_.vsew == 32) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint32_t first = *(uint32_t *)(vr1.data() + i);
|
|
uint32_t second = *(uint32_t *)(vr2.data() + i);
|
|
uint32_t result = (first == second) ? 1 : 0;
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint32_t *)(vd.data() + i) = result;
|
|
}
|
|
}
|
|
} break;
|
|
case 25: {
|
|
// vmsne
|
|
auto &vr1 = vreg_file_.at(rsrc0);
|
|
auto &vr2 = vreg_file_.at(rsrc1);
|
|
auto &vd = vreg_file_.at(rdest);
|
|
if (vtype_.vsew == 8) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint8_t first = *(uint8_t *)(vr1.data() + i);
|
|
uint8_t second = *(uint8_t *)(vr2.data() + i);
|
|
uint8_t result = (first != second) ? 1 : 0;
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint8_t *)(vd.data() + i) = result;
|
|
}
|
|
} else if (vtype_.vsew == 16) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint16_t first = *(uint16_t *)(vr1.data() + i);
|
|
uint16_t second = *(uint16_t *)(vr2.data() + i);
|
|
uint16_t result = (first != second) ? 1 : 0;
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint16_t *)(vd.data() + i) = result;
|
|
}
|
|
} else if (vtype_.vsew == 32) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint32_t first = *(uint32_t *)(vr1.data() + i);
|
|
uint32_t second = *(uint32_t *)(vr2.data() + i);
|
|
uint32_t result = (first != second) ? 1 : 0;
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint32_t *)(vd.data() + i) = result;
|
|
}
|
|
}
|
|
} break;
|
|
case 26: {
|
|
// vmsltu
|
|
auto &vr1 = vreg_file_.at(rsrc0);
|
|
auto &vr2 = vreg_file_.at(rsrc1);
|
|
auto &vd = vreg_file_.at(rdest);
|
|
if (vtype_.vsew == 8) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint8_t first = *(uint8_t *)(vr1.data() + i);
|
|
uint8_t second = *(uint8_t *)(vr2.data() + i);
|
|
uint8_t result = (first < second) ? 1 : 0;
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint8_t *)(vd.data() + i) = result;
|
|
}
|
|
} else if (vtype_.vsew == 16) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint16_t first = *(uint16_t *)(vr1.data() + i);
|
|
uint16_t second = *(uint16_t *)(vr2.data() + i);
|
|
uint16_t result = (first < second) ? 1 : 0;
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint16_t *)(vd.data() + i) = result;
|
|
}
|
|
} else if (vtype_.vsew == 32) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint32_t first = *(uint32_t *)(vr1.data() + i);
|
|
uint32_t second = *(uint32_t *)(vr2.data() + i);
|
|
uint32_t result = (first < second) ? 1 : 0;
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint32_t *)(vd.data() + i) = result;
|
|
}
|
|
}
|
|
} break;
|
|
case 27: {
|
|
// vmslt
|
|
auto &vr1 = vreg_file_.at(rsrc0);
|
|
auto &vr2 = vreg_file_.at(rsrc1);
|
|
auto &vd = vreg_file_.at(rdest);
|
|
if (vtype_.vsew == 8) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
int8_t first = *(int8_t *)(vr1.data() + i);
|
|
int8_t second = *(int8_t *)(vr2.data() + i);
|
|
int8_t result = (first < second) ? 1 : 0;
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint8_t *)(vd.data() + i) = result;
|
|
}
|
|
} else if (vtype_.vsew == 16) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
int16_t first = *(int16_t *)(vr1.data() + i);
|
|
int16_t second = *(int16_t *)(vr2.data() + i);
|
|
int16_t result = (first < second) ? 1 : 0;
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(int16_t *)(vd.data() + i) = result;
|
|
}
|
|
} else if (vtype_.vsew == 32) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
int32_t first = *(int32_t *)(vr1.data() + i);
|
|
int32_t second = *(int32_t *)(vr2.data() + i);
|
|
int32_t result = (first < second) ? 1 : 0;
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(int32_t *)(vd.data() + i) = result;
|
|
}
|
|
}
|
|
} break;
|
|
case 28: {
|
|
// vmsleu
|
|
auto &vr1 = vreg_file_.at(rsrc0);
|
|
auto &vr2 = vreg_file_.at(rsrc1);
|
|
auto &vd = vreg_file_.at(rdest);
|
|
if (vtype_.vsew == 8) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint8_t first = *(uint8_t *)(vr1.data() + i);
|
|
uint8_t second = *(uint8_t *)(vr2.data() + i);
|
|
uint8_t result = (first <= second) ? 1 : 0;
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint8_t *)(vd.data() + i) = result;
|
|
}
|
|
} else if (vtype_.vsew == 16) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint16_t first = *(uint16_t *)(vr1.data() + i);
|
|
uint16_t second = *(uint16_t *)(vr2.data() + i);
|
|
uint16_t result = (first <= second) ? 1 : 0;
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint16_t *)(vd.data() + i) = result;
|
|
}
|
|
} else if (vtype_.vsew == 32) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint32_t first = *(uint32_t *)(vr1.data() + i);
|
|
uint32_t second = *(uint32_t *)(vr2.data() + i);
|
|
uint32_t result = (first <= second) ? 1 : 0;
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint32_t *)(vd.data() + i) = result;
|
|
}
|
|
}
|
|
} break;
|
|
case 29: {
|
|
// vmsle
|
|
auto &vr1 = vreg_file_.at(rsrc0);
|
|
auto &vr2 = vreg_file_.at(rsrc1);
|
|
auto &vd = vreg_file_.at(rdest);
|
|
if (vtype_.vsew == 8) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
int8_t first = *(int8_t *)(vr1.data() + i);
|
|
int8_t second = *(int8_t *)(vr2.data() + i);
|
|
int8_t result = (first <= second) ? 1 : 0;
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint8_t *)(vd.data() + i) = result;
|
|
}
|
|
} else if (vtype_.vsew == 16) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
int16_t first = *(int16_t *)(vr1.data() + i);
|
|
int16_t second = *(int16_t *)(vr2.data() + i);
|
|
int16_t result = (first <= second) ? 1 : 0;
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(int16_t *)(vd.data() + i) = result;
|
|
}
|
|
} else if (vtype_.vsew == 32) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
int32_t first = *(int32_t *)(vr1.data() + i);
|
|
int32_t second = *(int32_t *)(vr2.data() + i);
|
|
int32_t result = (first <= second) ? 1 : 0;
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(int32_t *)(vd.data() + i) = result;
|
|
}
|
|
}
|
|
} break;
|
|
case 30: {
|
|
// vmsgtu
|
|
auto &vr1 = vreg_file_.at(rsrc0);
|
|
auto &vr2 = vreg_file_.at(rsrc1);
|
|
auto &vd = vreg_file_.at(rdest);
|
|
if (vtype_.vsew == 8) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint8_t first = *(uint8_t *)(vr1.data() + i);
|
|
uint8_t second = *(uint8_t *)(vr2.data() + i);
|
|
uint8_t result = (first > second) ? 1 : 0;
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint8_t *)(vd.data() + i) = result;
|
|
}
|
|
} else if (vtype_.vsew == 16) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint16_t first = *(uint16_t *)(vr1.data() + i);
|
|
uint16_t second = *(uint16_t *)(vr2.data() + i);
|
|
uint16_t result = (first > second) ? 1 : 0;
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint16_t *)(vd.data() + i) = result;
|
|
}
|
|
} else if (vtype_.vsew == 32) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint32_t first = *(uint32_t *)(vr1.data() + i);
|
|
uint32_t second = *(uint32_t *)(vr2.data() + i);
|
|
uint32_t result = (first > second) ? 1 : 0;
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint32_t *)(vd.data() + i) = result;
|
|
}
|
|
}
|
|
} break;
|
|
case 31: {
|
|
// vmsgt
|
|
auto &vr1 = vreg_file_.at(rsrc0);
|
|
auto &vr2 = vreg_file_.at(rsrc1);
|
|
auto &vd = vreg_file_.at(rdest);
|
|
if (vtype_.vsew == 8) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
int8_t first = *(int8_t *)(vr1.data() + i);
|
|
int8_t second = *(int8_t *)(vr2.data() + i);
|
|
int8_t result = (first > second) ? 1 : 0;
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint8_t *)(vd.data() + i) = result;
|
|
}
|
|
} else if (vtype_.vsew == 16) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
int16_t first = *(int16_t *)(vr1.data() + i);
|
|
int16_t second = *(int16_t *)(vr2.data() + i);
|
|
int16_t result = (first > second) ? 1 : 0;
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(int16_t *)(vd.data() + i) = result;
|
|
}
|
|
} else if (vtype_.vsew == 32) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
int32_t first = *(int32_t *)(vr1.data() + i);
|
|
int32_t second = *(int32_t *)(vr2.data() + i);
|
|
int32_t result = (first > second) ? 1 : 0;
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(int32_t *)(vd.data() + i) = result;
|
|
}
|
|
}
|
|
} break;
|
|
}
|
|
break;
|
|
case 2: {
|
|
switch (func6) {
|
|
case 24: {
|
|
// vmandnot
|
|
auto &vr1 = vreg_file_.at(rsrc0);
|
|
auto &vr2 = vreg_file_.at(rsrc1);
|
|
auto &vd = vreg_file_.at(rdest);
|
|
if (vtype_.vsew == 8) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint8_t first = *(uint8_t *)(vr1.data() + i);
|
|
uint8_t second = *(uint8_t *)(vr2.data() + i);
|
|
uint8_t first_value = (first & 0x1);
|
|
uint8_t second_value = (second & 0x1);
|
|
uint8_t result = (first_value & !second_value);
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint8_t *)(vd.data() + i) = result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint8_t *)(vd.data() + i) = 0;
|
|
}
|
|
} else if (vtype_.vsew == 16) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint16_t first = *(uint16_t *)(vr1.data() + i);
|
|
uint16_t second = *(uint16_t *)(vr2.data() + i);
|
|
uint16_t first_value = (first & 0x1);
|
|
uint16_t second_value = (second & 0x1);
|
|
uint16_t result = (first_value & !second_value);
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint16_t *)(vd.data() + i) = result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint16_t *)(vd.data() + i) = 0;
|
|
}
|
|
} else if (vtype_.vsew == 32) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint32_t first = *(uint32_t *)(vr1.data() + i);
|
|
uint32_t second = *(uint32_t *)(vr2.data() + i);
|
|
uint32_t first_value = (first & 0x1);
|
|
uint32_t second_value = (second & 0x1);
|
|
uint32_t result = (first_value & !second_value);
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint32_t *)(vd.data() + i) = result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint32_t *)(vd.data() + i) = 0;
|
|
}
|
|
}
|
|
} break;
|
|
case 25: {
|
|
// vmand
|
|
auto &vr1 = vreg_file_.at(rsrc0);
|
|
auto &vr2 = vreg_file_.at(rsrc1);
|
|
auto &vd = vreg_file_.at(rdest);
|
|
if (vtype_.vsew == 8) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint8_t first = *(uint8_t *)(vr1.data() + i);
|
|
uint8_t second = *(uint8_t *)(vr2.data() + i);
|
|
uint8_t first_value = (first & 0x1);
|
|
uint8_t second_value = (second & 0x1);
|
|
uint8_t result = (first_value & second_value);
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint8_t *)(vd.data() + i) = result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint8_t *)(vd.data() + i) = 0;
|
|
}
|
|
} else if (vtype_.vsew == 16) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint16_t first = *(uint16_t *)(vr1.data() + i);
|
|
uint16_t second = *(uint16_t *)(vr2.data() + i);
|
|
uint16_t first_value = (first & 0x1);
|
|
uint16_t second_value = (second & 0x1);
|
|
uint16_t result = (first_value & second_value);
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint16_t *)(vd.data() + i) = result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint16_t *)(vd.data() + i) = 0;
|
|
}
|
|
} else if (vtype_.vsew == 32) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint32_t first = *(uint32_t *)(vr1.data() + i);
|
|
uint32_t second = *(uint32_t *)(vr2.data() + i);
|
|
uint32_t first_value = (first & 0x1);
|
|
uint32_t second_value = (second & 0x1);
|
|
uint32_t result = (first_value & second_value);
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint32_t *)(vd.data() + i) = result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint32_t *)(vd.data() + i) = 0;
|
|
}
|
|
}
|
|
} break;
|
|
case 26: {
|
|
// vmor
|
|
auto &vr1 = vreg_file_.at(rsrc0);
|
|
auto &vr2 = vreg_file_.at(rsrc1);
|
|
auto &vd = vreg_file_.at(rdest);
|
|
if (vtype_.vsew == 8) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint8_t first = *(uint8_t *)(vr1.data() + i);
|
|
uint8_t second = *(uint8_t *)(vr2.data() + i);
|
|
uint8_t first_value = (first & 0x1);
|
|
uint8_t second_value = (second & 0x1);
|
|
uint8_t result = (first_value | second_value);
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint8_t *)(vd.data() + i) = result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint8_t *)(vd.data() + i) = 0;
|
|
}
|
|
} else if (vtype_.vsew == 16) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint16_t first = *(uint16_t *)(vr1.data() + i);
|
|
uint16_t second = *(uint16_t *)(vr2.data() + i);
|
|
uint16_t first_value = (first & 0x1);
|
|
uint16_t second_value = (second & 0x1);
|
|
uint16_t result = (first_value | second_value);
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint16_t *)(vd.data() + i) = result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint16_t *)(vd.data() + i) = 0;
|
|
}
|
|
} else if (vtype_.vsew == 32) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint32_t first = *(uint32_t *)(vr1.data() + i);
|
|
uint32_t second = *(uint32_t *)(vr2.data() + i);
|
|
uint32_t first_value = (first & 0x1);
|
|
uint32_t second_value = (second & 0x1);
|
|
uint32_t result = (first_value | second_value);
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint32_t *)(vd.data() + i) = result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint32_t *)(vd.data() + i) = 0;
|
|
}
|
|
}
|
|
} break;
|
|
case 27: {
|
|
// vmxor
|
|
auto &vr1 = vreg_file_.at(rsrc0);
|
|
auto &vr2 = vreg_file_.at(rsrc1);
|
|
auto &vd = vreg_file_.at(rdest);
|
|
if (vtype_.vsew == 8) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint8_t first = *(uint8_t *)(vr1.data() + i);
|
|
uint8_t second = *(uint8_t *)(vr2.data() + i);
|
|
uint8_t first_value = (first & 0x1);
|
|
uint8_t second_value = (second & 0x1);
|
|
uint8_t result = (first_value ^ second_value);
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint8_t *)(vd.data() + i) = result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint8_t *)(vd.data() + i) = 0;
|
|
}
|
|
} else if (vtype_.vsew == 16) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint16_t first = *(uint16_t *)(vr1.data() + i);
|
|
uint16_t second = *(uint16_t *)(vr2.data() + i);
|
|
uint16_t first_value = (first & 0x1);
|
|
uint16_t second_value = (second & 0x1);
|
|
uint16_t result = (first_value ^ second_value);
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint16_t *)(vd.data() + i) = result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint16_t *)(vd.data() + i) = 0;
|
|
}
|
|
} else if (vtype_.vsew == 32) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint32_t first = *(uint32_t *)(vr1.data() + i);
|
|
uint32_t second = *(uint32_t *)(vr2.data() + i);
|
|
uint32_t first_value = (first & 0x1);
|
|
uint32_t second_value = (second & 0x1);
|
|
uint32_t result = (first_value ^ second_value);
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint32_t *)(vd.data() + i) = result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint32_t *)(vd.data() + i) = 0;
|
|
}
|
|
}
|
|
} break;
|
|
case 28: {
|
|
// vmornot
|
|
auto &vr1 = vreg_file_.at(rsrc0);
|
|
auto &vr2 = vreg_file_.at(rsrc1);
|
|
auto &vd = vreg_file_.at(rdest);
|
|
if (vtype_.vsew == 8) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint8_t first = *(uint8_t *)(vr1.data() + i);
|
|
uint8_t second = *(uint8_t *)(vr2.data() + i);
|
|
uint8_t first_value = (first & 0x1);
|
|
uint8_t second_value = (second & 0x1);
|
|
uint8_t result = (first_value | !second_value);
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint8_t *)(vd.data() + i) = result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint8_t *)(vd.data() + i) = 0;
|
|
}
|
|
} else if (vtype_.vsew == 16) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint16_t first = *(uint16_t *)(vr1.data() + i);
|
|
uint16_t second = *(uint16_t *)(vr2.data() + i);
|
|
uint16_t first_value = (first & 0x1);
|
|
uint16_t second_value = (second & 0x1);
|
|
uint16_t result = (first_value | !second_value);
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint16_t *)(vd.data() + i) = result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint16_t *)(vd.data() + i) = 0;
|
|
}
|
|
} else if (vtype_.vsew == 32) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint32_t first = *(uint32_t *)(vr1.data() + i);
|
|
uint32_t second = *(uint32_t *)(vr2.data() + i);
|
|
uint32_t first_value = (first & 0x1);
|
|
uint32_t second_value = (second & 0x1);
|
|
uint32_t result = (first_value | !second_value);
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint32_t *)(vd.data() + i) = result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint32_t *)(vd.data() + i) = 0;
|
|
}
|
|
}
|
|
} break;
|
|
case 29: {
|
|
// vmnand
|
|
auto &vr1 = vreg_file_.at(rsrc0);
|
|
auto &vr2 = vreg_file_.at(rsrc1);
|
|
auto &vd = vreg_file_.at(rdest);
|
|
if (vtype_.vsew == 8) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint8_t first = *(uint8_t *)(vr1.data() + i);
|
|
uint8_t second = *(uint8_t *)(vr2.data() + i);
|
|
uint8_t first_value = (first & 0x1);
|
|
uint8_t second_value = (second & 0x1);
|
|
uint8_t result = !(first_value & second_value);
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint8_t *)(vd.data() + i) = result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint8_t *)(vd.data() + i) = 0;
|
|
}
|
|
} else if (vtype_.vsew == 16) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint16_t first = *(uint16_t *)(vr1.data() + i);
|
|
uint16_t second = *(uint16_t *)(vr2.data() + i);
|
|
uint16_t first_value = (first & 0x1);
|
|
uint16_t second_value = (second & 0x1);
|
|
uint16_t result = !(first_value & second_value);
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint16_t *)(vd.data() + i) = result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint16_t *)(vd.data() + i) = 0;
|
|
}
|
|
} else if (vtype_.vsew == 32) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint32_t first = *(uint32_t *)(vr1.data() + i);
|
|
uint32_t second = *(uint32_t *)(vr2.data() + i);
|
|
uint32_t first_value = (first & 0x1);
|
|
uint32_t second_value = (second & 0x1);
|
|
uint32_t result = !(first_value & second_value);
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint32_t *)(vd.data() + i) = result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint32_t *)(vd.data() + i) = 0;
|
|
}
|
|
}
|
|
} break;
|
|
case 30: {
|
|
// vmnor
|
|
auto &vr1 = vreg_file_.at(rsrc0);
|
|
auto &vr2 = vreg_file_.at(rsrc1);
|
|
auto &vd = vreg_file_.at(rdest);
|
|
if (vtype_.vsew == 8) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint8_t first = *(uint8_t *)(vr1.data() + i);
|
|
uint8_t second = *(uint8_t *)(vr2.data() + i);
|
|
uint8_t first_value = (first & 0x1);
|
|
uint8_t second_value = (second & 0x1);
|
|
uint8_t result = !(first_value | second_value);
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint8_t *)(vd.data() + i) = result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint8_t *)(vd.data() + i) = 0;
|
|
}
|
|
} else if (vtype_.vsew == 16) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint16_t first = *(uint16_t *)(vr1.data() + i);
|
|
uint16_t second = *(uint16_t *)(vr2.data() + i);
|
|
uint16_t first_value = (first & 0x1);
|
|
uint16_t second_value = (second & 0x1);
|
|
uint16_t result = !(first_value | second_value);
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint16_t *)(vd.data() + i) = result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint16_t *)(vd.data() + i) = 0;
|
|
}
|
|
} else if (vtype_.vsew == 32) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint32_t first = *(uint32_t *)(vr1.data() + i);
|
|
uint32_t second = *(uint32_t *)(vr2.data() + i);
|
|
uint32_t first_value = (first & 0x1);
|
|
uint32_t second_value = (second & 0x1);
|
|
uint32_t result = !(first_value | second_value);
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint32_t *)(vd.data() + i) = result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint32_t *)(vd.data() + i) = 0;
|
|
}
|
|
}
|
|
} break;
|
|
case 31: {
|
|
// vmxnor
|
|
auto &vr1 = vreg_file_.at(rsrc0);
|
|
auto &vr2 = vreg_file_.at(rsrc1);
|
|
auto &vd = vreg_file_.at(rdest);
|
|
if (vtype_.vsew == 8) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint8_t first = *(uint8_t *)(vr1.data() + i);
|
|
uint8_t second = *(uint8_t *)(vr2.data() + i);
|
|
uint8_t first_value = (first & 0x1);
|
|
uint8_t second_value = (second & 0x1);
|
|
uint8_t result = !(first_value ^ second_value);
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint8_t *)(vd.data() + i) = result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint8_t *)(vd.data() + i) = 0;
|
|
}
|
|
} else if (vtype_.vsew == 16) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint16_t first = *(uint16_t *)(vr1.data() + i);
|
|
uint16_t second = *(uint16_t *)(vr2.data() + i);
|
|
uint16_t first_value = (first & 0x1);
|
|
uint16_t second_value = (second & 0x1);
|
|
uint16_t result = !(first_value ^ second_value);
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint16_t *)(vd.data() + i) = result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint16_t *)(vd.data() + i) = 0;
|
|
}
|
|
} else if (vtype_.vsew == 32) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint32_t first = *(uint32_t *)(vr1.data() + i);
|
|
uint32_t second = *(uint32_t *)(vr2.data() + i);
|
|
uint32_t first_value = (first & 0x1);
|
|
uint32_t second_value = (second & 0x1);
|
|
uint32_t result = !(first_value ^ second_value);
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint32_t *)(vd.data() + i) = result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint32_t *)(vd.data() + i) = 0;
|
|
}
|
|
}
|
|
} break;
|
|
case 37: {
|
|
// vmul
|
|
auto &vr1 = vreg_file_.at(rsrc0);
|
|
auto &vr2 = vreg_file_.at(rsrc1);
|
|
auto &vd = vreg_file_.at(rdest);
|
|
if (vtype_.vsew == 8) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint8_t first = *(uint8_t *)(vr1.data() + i);
|
|
uint8_t second = *(uint8_t *)(vr2.data() + i);
|
|
uint8_t result = (first * second);
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint8_t *)(vd.data() + i) = result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint8_t *)(vd.data() + i) = 0;
|
|
}
|
|
} else if (vtype_.vsew == 16) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint16_t first = *(uint16_t *)(vr1.data() + i);
|
|
uint16_t second = *(uint16_t *)(vr2.data() + i);
|
|
uint16_t result = (first * second);
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint16_t *)(vd.data() + i) = result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint16_t *)(vd.data() + i) = 0;
|
|
}
|
|
} else if (vtype_.vsew == 32) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint32_t first = *(uint32_t *)(vr1.data() + i);
|
|
uint32_t second = *(uint32_t *)(vr2.data() + i);
|
|
uint32_t result = (first * second);
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint32_t *)(vd.data() + i) = result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint32_t *)(vd.data() + i) = 0;
|
|
}
|
|
}
|
|
} break;
|
|
case 45: {
|
|
// vmacc
|
|
auto &vr1 = vreg_file_.at(rsrc0);
|
|
auto &vr2 = vreg_file_.at(rsrc1);
|
|
auto &vd = vreg_file_.at(rdest);
|
|
if (vtype_.vsew == 8) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint8_t first = *(uint8_t *)(vr1.data() + i);
|
|
uint8_t second = *(uint8_t *)(vr2.data() + i);
|
|
uint8_t result = (first * second);
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint8_t *)(vd.data() + i) += result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint8_t *)(vd.data() + i) = 0;
|
|
}
|
|
} else if (vtype_.vsew == 16) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint16_t first = *(uint16_t *)(vr1.data() + i);
|
|
uint16_t second = *(uint16_t *)(vr2.data() + i);
|
|
uint16_t result = (first * second);
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint16_t *)(vd.data() + i) += result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint16_t *)(vd.data() + i) = 0;
|
|
}
|
|
} else if (vtype_.vsew == 32) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint32_t first = *(uint32_t *)(vr1.data() + i);
|
|
uint32_t second = *(uint32_t *)(vr2.data() + i);
|
|
uint32_t result = (first * second);
|
|
DP(3, "Comparing " << first << " + " << second << " = " << result);
|
|
*(uint32_t *)(vd.data() + i) += result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint32_t *)(vd.data() + i) = 0;
|
|
}
|
|
}
|
|
} break;
|
|
}
|
|
} break;
|
|
case 6: {
|
|
switch (func6) {
|
|
case 0: {
|
|
auto &vr2 = vreg_file_.at(rsrc1);
|
|
auto &vd = vreg_file_.at(rdest);
|
|
if (vtype_.vsew == 8) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint8_t second = *(uint8_t *)(vr2.data() + i);
|
|
uint8_t result = (rsdata[i][0].i + second);
|
|
DP(3, "Comparing " << rsdata[i][0].i << " + " << second << " = " << result);
|
|
*(uint8_t *)(vd.data() + i) = result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint8_t *)(vd.data() + i) = 0;
|
|
}
|
|
} else if (vtype_.vsew == 16) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint16_t second = *(uint16_t *)(vr2.data() + i);
|
|
uint16_t result = (rsdata[i][0].i + second);
|
|
DP(3, "Comparing " << rsdata[i][0].i << " + " << second << " = " << result);
|
|
*(uint16_t *)(vd.data() + i) = result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint16_t *)(vd.data() + i) = 0;
|
|
}
|
|
} else if (vtype_.vsew == 32) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint32_t second = *(uint32_t *)(vr2.data() + i);
|
|
uint32_t result = (rsdata[i][0].i + second);
|
|
DP(3, "Comparing " << rsdata[i][0].i << " + " << second << " = " << result);
|
|
*(uint32_t *)(vd.data() + i) = result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint32_t *)(vd.data() + i) = 0;
|
|
}
|
|
}
|
|
} break;
|
|
case 37: {
|
|
// vmul.vx
|
|
auto &vr2 = vreg_file_.at(rsrc1);
|
|
auto &vd = vreg_file_.at(rdest);
|
|
if (vtype_.vsew == 8) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint8_t second = *(uint8_t *)(vr2.data() + i);
|
|
uint8_t result = (rsdata[i][0].i * second);
|
|
DP(3, "Comparing " << rsdata[i][0].i << " + " << second << " = " << result);
|
|
*(uint8_t *)(vd.data() + i) = result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint8_t *)(vd.data() + i) = 0;
|
|
}
|
|
} else if (vtype_.vsew == 16) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint16_t second = *(uint16_t *)(vr2.data() + i);
|
|
uint16_t result = (rsdata[i][0].i * second);
|
|
DP(3, "Comparing " << rsdata[i][0].i << " + " << second << " = " << result);
|
|
*(uint16_t *)(vd.data() + i) = result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint16_t *)(vd.data() + i) = 0;
|
|
}
|
|
} else if (vtype_.vsew == 32) {
|
|
for (uint32_t i = 0; i < vl_; i++) {
|
|
uint32_t second = *(uint32_t *)(vr2.data() + i);
|
|
uint32_t result = (rsdata[i][0].i * second);
|
|
DP(3, "Comparing " << rsdata[i][0].i << " + " << second << " = " << result);
|
|
*(uint32_t *)(vd.data() + i) = result;
|
|
}
|
|
for (uint32_t i = vl_; i < VLMAX; i++) {
|
|
*(uint32_t *)(vd.data() + i) = 0;
|
|
}
|
|
}
|
|
} break;
|
|
}
|
|
} break;
|
|
case 7: {
|
|
vtype_.vill = 0;
|
|
vtype_.vediv = instr.getVediv();
|
|
vtype_.vsew = instr.getVsew();
|
|
vtype_.vlmul = instr.getVlmul();
|
|
|
|
DP(3, "lmul:" << vtype_.vlmul << " sew:" << vtype_.vsew << " ediv: " << vtype_.vediv << "rsrc_" << rsdata[0][0].i << "VLMAX" << VLMAX);
|
|
|
|
auto s0 = rsdata[0][0].i;
|
|
if (s0 <= VLMAX) {
|
|
vl_ = s0;
|
|
} else if (s0 < (2 * VLMAX)) {
|
|
vl_ = (uint32_t)ceil((s0 * 1.0) / 2.0);
|
|
} else if (s0 >= (2 * VLMAX)) {
|
|
vl_ = VLMAX;
|
|
}
|
|
rddata[0].i = vl_;
|
|
} break;
|
|
default:
|
|
std::abort();
|
|
}
|
|
} break;
|
|
default:
|
|
std::abort();
|
|
}
|
|
|
|
if (rd_write) {
|
|
trace->wb = true;
|
|
auto type = instr.getRDType();
|
|
switch (type) {
|
|
case RegType::Integer:
|
|
if (rdest) {
|
|
DPH(2, "Dest Reg: " << type << std::dec << rdest << "={");
|
|
for (uint32_t t = 0; t < num_threads; ++t) {
|
|
if (t) DPN(2, ", ");
|
|
if (!tmask_.test(t)) {
|
|
DPN(2, "-");
|
|
continue;
|
|
}
|
|
ireg_file_.at(t)[rdest] = rddata[t].i;
|
|
DPN(2, "0x" << std::hex << rddata[t].i);
|
|
}
|
|
DPN(2, "}" << std::endl);
|
|
trace->used_iregs[rdest] = 1;
|
|
}
|
|
break;
|
|
case RegType::Float:
|
|
DPH(2, "Dest Reg: " << type << std::dec << rdest << "={");
|
|
for (uint32_t t = 0; t < num_threads; ++t) {
|
|
if (t) DPN(2, ", ");
|
|
if (!tmask_.test(t)) {
|
|
DPN(2, "-");
|
|
continue;
|
|
}
|
|
freg_file_.at(t)[rdest] = rddata[t].f;
|
|
DPN(2, "0x" << std::hex << rddata[t].f);
|
|
}
|
|
DPN(2, "}" << std::endl);
|
|
trace->used_fregs[rdest] = 1;
|
|
break;
|
|
default:
|
|
std::abort();
|
|
break;
|
|
}
|
|
}
|
|
|
|
PC_ += arch_.wsize();
|
|
if (PC_ != nextPC) {
|
|
DP(3, "*** Next PC: " << std::hex << nextPC << std::dec);
|
|
PC_ = nextPC;
|
|
}
|
|
} |