verilator/test_regress/t/t_math_imm2.cpp

53 lines
1.5 KiB
C++

// -*- mode: C++; c-file-style: "cc-mode" -*-
#include <verilated.h>
#include "Vt_math_imm2.h"
QData MaskVal(int lbit, int hbit) {
QData val;
for (val = 0; lbit <= hbit; lbit++)
val |= (1ULL << lbit);
return val;
}
int main(int argc, char *argv[]) {
Verilated::debug(0);
Vt_math_imm2 *sim = new Vt_math_imm2;
int lbit, hbit;
int errs=0;
for (lbit = 0; lbit < 32; lbit++) {
for (hbit = lbit; hbit < 32; hbit++) {
QData expected;
sim->LowMaskSel_Bot = lbit;
sim->LowMaskSel_Top = lbit;
sim->HighMaskSel_Bot = hbit;
sim->HighMaskSel_Top = hbit;
sim->eval();
expected = (MaskVal(sim->LowMaskSel_Top, sim->HighMaskSel_Top) << 32ULL)
| MaskVal(sim->LowMaskSel_Bot, sim->HighMaskSel_Bot);
if (sim->LogicImm != expected) {
printf("%%Error: %d.%d,%d.%d -> %016" VL_PRI64 "x/%016" VL_PRI64 "x -> %016" VL_PRI64 "x (expected %016" VL_PRI64 "x)\n",
sim->LowMaskSel_Top, sim->HighMaskSel_Top,
sim->LowMaskSel_Bot, sim->HighMaskSel_Bot,
sim->LowLogicImm, sim->HighLogicImm,
sim->LogicImm, expected);
errs=1;
}
}
}
if (errs) {
vl_stop(__FILE__, __LINE__, "TOP-cpp");
exit(10);
} else {
printf("*-* All Finished *-*\n");
exit(0);
}
}