ack/mach/proto/mcg/hop.h
David Given bb17aea73a You can now mark a register as corrupting a certain register class; calls work,
or at least look like they work. The bad news is that the register allocator
has a rare talent for putting things in the wrong register.
2016-10-15 01:15:08 +02:00

65 lines
1.2 KiB
C

#ifndef HOP_H
#define HOP_H
enum insel_type
{
INSEL_STRING,
INSEL_HREG,
INSEL_VREG,
INSEL_VALUE,
INSEL_EOI
};
struct insel
{
enum insel_type type;
union
{
const char* string;
struct hreg* hreg;
struct vreg* vreg;
struct ir* value;
}
u;
};
struct constraint
{
uint32_t attrs;
struct vreg* equals_to;
};
struct hop
{
int id;
struct basicblock* bb;
struct ir* ir;
const struct burm_instruction_data* insndata;
ARRAYOF(struct insel) insels;
struct vreg* output;
PMAPOF(struct vreg, struct constraint) constraints;
ARRAYOF(struct vreg) ins;
ARRAYOF(struct vreg) outs;
ARRAYOF(struct vreg) throughs;
register_assignment_t regsin;
register_assignment_t regsout;
};
extern struct hop* new_hop(struct basicblock* bb, struct ir* ir);
extern void hop_add_string_insel(struct hop* hop, const char* string);
extern void hop_add_hreg_insel(struct hop* hop, struct hreg* hreg);
extern void hop_add_vreg_insel(struct hop* hop, struct vreg* vreg);
extern void hop_add_value_insel(struct hop* hop, struct ir* ir);
extern void hop_add_eoi_insel(struct hop* hop);
extern char* hop_render(struct hop* hop);
extern void hop_print(char k, struct hop* hop);
#endif
/* vim: set sw=4 ts=4 expandtab : */