pcem/src/codegen_accumulate.c

50 lines
1.3 KiB
C

#include "ibm.h"
#include "codegen.h"
#include "codegen_accumulate.h"
#include "codegen_ir.h"
static struct
{
int count;
int dest_reg;
} acc_regs[] =
{
[ACCREG_ins] = {0, IREG_ins},
[ACCREG_cycles] = {0, IREG_cycles},
};
void codegen_accumulate(int acc_reg, int delta)
{
if (acc_reg == ACCREG_cycles)
{
// pclog("cycles %04x:%04x %i\n", CS, cpu_state.pc, delta);
// if (CS == 0x1000 && cpu_state.pc == 0x863)
// fatal("Here\n");
}
acc_regs[acc_reg].count += delta;
}
void codegen_accumulate_flush(ir_data_t *ir)
{
int c;
for (c = 0; c < ACCREG_COUNT; c++)
{
if (acc_regs[c].count)
{
// if (c == ACCREG_cycles)
// pclog("accumulate %i %i %i\n", c, acc_regs[c].dest_reg, acc_regs[c].count);
uop_ADD_IMM(ir, acc_regs[c].dest_reg, acc_regs[c].dest_reg, acc_regs[c].count);
}
acc_regs[c].count = 0;
}
}
void codegen_accumulate_reset()
{
int c;
for (c = 0; c < ACCREG_COUNT; c++)
acc_regs[c].count = 0;
}