#include "irgwalk.h"
#include "irprog.h"
#include "irprintf.h"
+#include "iredges_t.h"
#include "bitset.h"
#include "debug.h"
-#include <obstack.h>
-
-#ifdef obstack_chunk_alloc
-# undef obstack_chunk_alloc
-# define obstack_chunk_alloc malloc
-#else
-# define obstack_chunk_alloc malloc
-# define obstack_chunk_free free
-#endif
-
#include "../bearch.h" /* the general register allocator interface */
+#include "../benode_t.h"
#include "bearch_ia32_t.h"
#include "ia32_new_nodes.h" /* ia32 nodes interface */
return 0;
}
+static int is_used_by_Keep(const ir_node *n) {
+ return be_is_Keep(get_edge_src_irn(get_irn_out_edge_first(n)));
+}
+
/**
* Return register requirements for an ia32 node.
* If the node returns a tuple (mode_T) then the proj's
DBG((mod, LEVEL_1, "get requirements at pos %d for %+F ... ", pos, irn));
- if (is_Call_Proj(irn)) {
+ if (is_Call_Proj(irn) && is_used_by_Keep(irn)) {
irn_req = ia32_projnum_reg_req_map[get_Proj_proj(irn)];
memcpy(req, &(irn_req->req), sizeof(*req));
return req;
static void ia32_set_irn_reg(const arch_irn_ops_t *self, ir_node *irn, const arch_register_t *reg) {
int pos = 0;
- if (is_Call_Proj(irn)) {
+ if (is_Call_Proj(irn) && is_used_by_Keep(irn)) {
/* don't skip the proj, we want to take the else below */
}
if (is_Proj(irn)) {
int pos = 0;
const arch_register_t *reg = NULL;
- if (is_Call_Proj(irn)) {
+ if (is_Call_Proj(irn) && is_used_by_Keep(irn)) {
/* don't skip the proj, we want to take the else below */
}
else if (is_Proj(irn)) {
return ia32_get_reg_projnum(reg, isa->reg_projnum_map);
}
+int ia32_to_appear_in_schedule(void *block_env, const ir_node *irn) {
+ return is_ia32_irn(irn);
+}
+
/**
* Initializes the code generator interface.
*/
return &ia32_code_gen_if;
}
+list_sched_selector_t ia32_sched_selector;
+
/**
- * Returns the default scheduler
+ * Returns the reg_pressure scheduler with to_appear_in_schedule() overloaded
*/
static const list_sched_selector_t *ia32_get_list_sched_selector(const void *self) {
- return reg_pressure_selector;
+ memcpy(&ia32_sched_selector, reg_pressure_selector, sizeof(list_sched_selector_t));
+ ia32_sched_selector.to_appear_in_schedule = ia32_to_appear_in_schedule;
+ return &ia32_sched_selector;
}
#ifdef WITH_LIBCORE