ee3f9210dc
Mainly handles 'virtual' registers at the moment (eg current and last PC values, segment override status, etc).
46 lines
1.2 KiB
C
46 lines
1.2 KiB
C
#include "ibm.h"
|
|
#include "codegen.h"
|
|
#include "codegen_backend.h"
|
|
#include "codegen_ir.h"
|
|
#include "codegen_reg.h"
|
|
|
|
static ir_data_t ir_block;
|
|
|
|
ir_data_t *codegen_ir_init()
|
|
{
|
|
ir_block.wr_pos = 0;
|
|
//pclog("codegen_ir_init\n");
|
|
|
|
return &ir_block;
|
|
}
|
|
|
|
void codegen_ir_compile(ir_data_t *ir, codeblock_t *block)
|
|
{
|
|
int c;
|
|
|
|
codegen_backend_prologue(block);
|
|
|
|
for (c = 0; c < ir->wr_pos; c++)
|
|
{
|
|
uop_t *uop = &ir->uops[c];
|
|
|
|
//pclog("uOP %i : %08x\n", c, uop->type);
|
|
|
|
if (uop->type & UOP_TYPE_PARAMS_REGS)
|
|
{
|
|
if (uop->dest_reg_a.reg != IREG_INVALID)
|
|
{
|
|
uop->dest_reg_a_real = codegen_reg_alloc_write_reg(block, uop->dest_reg_a);
|
|
}
|
|
}
|
|
|
|
if (uop->type & UOP_TYPE_BARRIER)
|
|
codegen_reg_flush(ir, block);
|
|
|
|
uop_handlers[uop->type & UOP_MASK](block, uop);
|
|
}
|
|
|
|
codegen_backend_epilogue(block);
|
|
|
|
//fatal("IR compilation complete\n");
|
|
}
|