#include "iredges_t.h"
#include "irgmod.h"
#include "irgwalk.h"
-#include "irprintf_t.h"
+#include "irprintf.h"
#include "irgopt.h"
#include "iropt_t.h"
#include "irtools.h"
#include "be.h"
#include "beabi.h"
+#include "beabihelper.h"
#include "bearch.h"
#include "benode.h"
#include "belive_t.h"
} be_abi_call_arg_t;
struct be_abi_call_t {
- be_abi_call_flags_t flags; /**< Flags describing the ABI behavior on calls */
- int pop; /**< number of bytes the stack frame is shrinked by the callee on return. */
- const be_abi_callbacks_t *cb;
- ir_type *between_type;
- set *params;
- const arch_register_class_t *cls_addr; /**< register class of the call address */
+ be_abi_call_flags_t flags; /**< Flags describing the ABI behavior on calls */
+ int pop; /**< number of bytes the stack frame is shrinked by the callee on return. */
+ const be_abi_callbacks_t *cb;
+ set *params;
};
/**
static ir_heights_t *ir_heights;
-/** Flag: if set, try to omit the frame pointer in all routines. */
-static int be_omit_fp = 1;
-
static ir_node *be_abi_reg_map_get(pmap *map, const arch_register_t *reg)
{
return pmap_get(ir_node, map, reg);
call->pop = pop;
}
-/* Set register class for call address */
-void be_abi_call_set_call_address_reg_class(be_abi_call_t *call, const arch_register_class_t *cls)
-{
- call->cls_addr = cls;
-}
-
-
void be_abi_call_param_stack(be_abi_call_t *call, int arg_pos,
ir_mode *load_mode, unsigned alignment,
unsigned space_before, unsigned space_after,
/**
* Constructor for a new ABI call object.
*
- * @param cls_addr register class of the call address
- *
* @return the new ABI call object
*/
-static be_abi_call_t *be_abi_call_new(const arch_register_class_t *cls_addr)
+static be_abi_call_t *be_abi_call_new(void)
{
be_abi_call_t *call = XMALLOCZ(be_abi_call_t);
call->params = new_set(cmp_call_arg, 16);
call->cb = NULL;
- call->cls_addr = cls_addr;
- call->flags.try_omit_fp = be_omit_fp;
+ call->flags.try_omit_fp = be_options.omit_fp;
return call;
}
ir_node *bl = get_nodes_block(irn);
int stack_size = 0;
const arch_register_t *sp = arch_env->sp;
- be_abi_call_t *call = be_abi_call_new(sp->reg_class);
+ be_abi_call_t *call = be_abi_call_new();
ir_mode *mach_mode = sp->reg_class->mode;
int n_res = get_method_n_ress(call_tp);
* checking */
continue;
}
- if (arch_register_is_caller_save(arch_env, reg)) {
- if (!(reg->type & arch_register_type_ignore)) {
- ARR_APP1(const arch_register_t*, destroyed_regs, reg);
- }
- }
+ if (arch_register_is_caller_save(arch_env, reg))
+ ARR_APP1(const arch_register_t*, destroyed_regs, reg);
}
}
} else {
/* indirect call */
low_call = be_new_Call(dbgi, irg, bl, curr_mem, sp->single_req, curr_sp,
- call->cls_addr->class_req, call_ptr,
+ sp->reg_class->class_req, call_ptr,
n_reg_results + pn_be_Call_first_res + ARR_LEN(destroyed_regs),
n_ins, in, get_Call_type(irn));
}
return res;
}
-typedef struct {
- const arch_register_t *reg;
- ir_node *irn;
-} reg_node_map_t;
-
static int cmp_regs(const void *a, const void *b)
{
- const reg_node_map_t *p = (const reg_node_map_t*)a;
- const reg_node_map_t *q = (const reg_node_map_t*)b;
+ arch_register_t const *const p = *(arch_register_t const**)a;
+ arch_register_t const *const q = *(arch_register_t const**)b;
- if (p->reg->reg_class == q->reg->reg_class)
- return p->reg->index - q->reg->index;
+ if (p->reg_class == q->reg_class)
+ return p->index - q->index;
else
- return p->reg->reg_class < q->reg->reg_class ? -1 : +1;
+ return p->reg_class < q->reg_class ? -1 : +1;
}
-static void reg_map_to_arr(reg_node_map_t *res, pmap *reg_map)
+static void reg_map_to_arr(arch_register_t const **const res, pmap *const reg_map)
{
pmap_entry *ent;
size_t n = pmap_count(reg_map);
size_t i = 0;
foreach_pmap(reg_map, ent) {
- res[i].reg = (const arch_register_t*)ent->key;
- res[i].irn = (ir_node*)ent->value;
- i++;
+ res[i++] = (arch_register_t const*)ent->key;
}
qsort(res, n, sizeof(res[0]), cmp_regs);
* Creates a be_Return for a Return node.
*
* @param @env the abi environment
- * @param irn the Return node or NULL if there was none
- * @param bl the block where the be_Retun should be placed
- * @param mem the current memory
- * @param n_res number of return results
+ * @param irn the Return node
*/
-static ir_node *create_be_return(be_abi_irg_t *env, ir_node *irn, ir_node *bl,
- ir_node *mem, int n_res)
+static ir_node *create_be_return(be_abi_irg_t *const env, ir_node *const irn)
{
+ ir_node *const bl = get_nodes_block(irn);
be_abi_call_t *call = env->call;
ir_graph *irg = get_Block_irg(bl);
const arch_env_t *arch_env = be_get_irg_arch_env(irg);
- dbg_info *dbgi;
pmap *reg_map = pmap_create();
ir_node *keep = pmap_get(ir_node, env->keep_map, bl);
size_t in_max;
- ir_node *ret;
int i, n;
- unsigned pop;
ir_node **in;
ir_node *stack;
const arch_register_t **regs;
remove_End_keepalive(get_irg_end(irg), keep);
}
+ int const n_res = get_Return_n_ress(irn);
/* Insert results for Return into the register map. */
for (i = 0; i < n_res; ++i) {
ir_node *res = get_Return_res(irn, i);
/* Add uses of the callee save registers. */
foreach_pmap(env->regs, ent) {
const arch_register_t *reg = (const arch_register_t*)ent->key;
- if ((reg->type & arch_register_type_ignore) || arch_register_is_callee_save(arch_env, reg))
+ if (arch_register_is_callee_save(arch_env, reg))
pmap_insert(reg_map, ent->key, ent->value);
}
in = ALLOCAN(ir_node*, in_max);
regs = ALLOCAN(arch_register_t const*, in_max);
- in[0] = mem;
+ in[0] = get_Return_mem(irn);
in[1] = be_abi_reg_map_get(reg_map, arch_env->sp);
regs[0] = NULL;
regs[1] = arch_env->sp;
}
/* The in array for the new back end return is now ready. */
- if (irn != NULL) {
- dbgi = get_irn_dbg_info(irn);
- } else {
- dbgi = NULL;
- }
- /* we have to pop the shadow parameter in in case of struct returns */
- pop = call->pop;
- ret = be_new_Return(dbgi, irg, bl, n_res, pop, n, in);
+ dbg_info *const dbgi = get_irn_dbg_info(irn);
+ ir_node *const ret = be_new_Return(dbgi, irg, bl, n_res, call->pop, n, in);
/* Set the register classes of the return's parameter accordingly. */
for (i = 0; i < n; ++i) {
int i, n;
unsigned j;
- reg_node_map_t *rm;
const arch_register_t *fp_reg;
ir_node *frame_pointer;
ir_node *start_bl;
* Note, that if a register corresponds to an argument, the regs map
* contains the old Proj from start for that argument.
*/
- rm = ALLOCAN(reg_node_map_t, pmap_count(env->regs));
- reg_map_to_arr(rm, env->regs);
+ arch_register_t const **const regs = ALLOCAN(arch_register_t const*, pmap_count(env->regs));
+ reg_map_to_arr(regs, env->regs);
for (i = 0, n = pmap_count(env->regs); i < n; ++i) {
- const arch_register_t *reg = rm[i].reg;
+ const arch_register_t *reg = regs[i];
ir_mode *mode = reg->reg_class->mode;
long nr = i;
arch_register_req_type_t add_type = arch_register_req_type_none;
ir_node *irn = get_Block_cfgpred(end, i);
if (is_Return(irn)) {
- ir_node *blk = get_nodes_block(irn);
- ir_node *mem = get_Return_mem(irn);
- ir_node *ret = create_be_return(env, irn, blk, mem, get_Return_n_ress(irn));
+ ir_node *const ret = create_be_return(env, irn);
exchange(irn, ret);
}
}
/* Break here if backend provides a custom API. */
- be_omit_fp = be_options.omit_fp;
-
be_abi_irg_t env;
env.keep_map = pmap_create();
- env.call = be_abi_call_new(arch_env->sp->reg_class);
+ env.call = be_abi_call_new();
arch_env_get_call_abi(arch_env, method_type, env.call);
env.init_sp = dummy;