#include "error.h"
#include "debug.h"
-#include "bearch_t.h"
+#include "bearch.h"
#include "belive.h"
#include "besched.h"
#include "beloopana.h"
be_irg_t *birg;
};
-static int cmp_loop_info(const void *a, const void *b, size_t size) {
+static int cmp_loop_info(const void *a, const void *b, size_t size)
+{
const be_loop_info_t *i1 = a;
const be_loop_info_t *i2 = b;
(void) size;
/**
* Compute the highest register pressure in a block.
- * @param loop_ana The loop ana object.
+ * @param birg The graph.
* @param block The block to compute pressure for.
* @param cls The register class to compute pressure for.
* @return The highest register pressure in the given block.
*/
-static unsigned be_compute_block_pressure(be_loopana_t *loop_ana,
+static unsigned be_compute_block_pressure(const be_irg_t *birg,
ir_node *block, const arch_register_class_t *cls)
{
- const be_irg_t *birg = loop_ana->birg;
- be_lv_t *lv = be_get_birg_liveness(birg);
- ir_nodeset_t live_nodes;
- ir_node *irn;
- int max_live;
+ be_lv_t *lv = be_get_birg_liveness(birg);
+ ir_nodeset_t live_nodes;
+ ir_node *irn;
+ int max_live;
DBG((dbg, LEVEL_1, "Processing Block %+F\n", block));
break;
be_liveness_transfer(cls, irn, &live_nodes);
- cnt = ir_nodeset_size(&live_nodes);
- max_live = MAX(cnt, max_live);
+ cnt = ir_nodeset_size(&live_nodes);
+ max_live = MAX(cnt, max_live);
}
DBG((dbg, LEVEL_1, "Finished with Block %+F (%s %u)\n", block, cls->name, max_live));
* @param cls The register class to compute pressure for.
* @return The highest register pressure in the given loop.
*/
-static unsigned be_compute_loop_pressure(be_loopana_t *loop_ana, ir_loop *loop, const arch_register_class_t *cls) {
+static unsigned be_compute_loop_pressure(be_loopana_t *loop_ana, ir_loop *loop, const arch_register_class_t *cls)
+{
int i, max;
unsigned pressure;
be_loop_info_t *entry, key;
unsigned son_pressure;
loop_element elem = get_loop_element(loop, i);
- switch (*elem.kind) {
- case k_ir_node:
- son_pressure = be_compute_block_pressure(loop_ana, elem.node, cls);
- break;
- case k_ir_loop:
- son_pressure = be_compute_loop_pressure(loop_ana, elem.son, cls);
- break;
- default:
- panic("Unknown element found in loop");
- break;
+ if (*elem.kind == k_ir_node)
+ son_pressure = be_compute_block_pressure(loop_ana->birg, elem.node, cls);
+ else {
+ assert(*elem.kind == k_ir_loop);
+ son_pressure = be_compute_loop_pressure(loop_ana, elem.son, cls);
}
pressure = MAX(pressure, son_pressure);
* @return The loop analysis object.
*/
be_loopana_t *be_new_loop_pressure_cls(be_irg_t *birg,
- const arch_register_class_t *cls) {
+ const arch_register_class_t *cls)
+{
ir_graph *irg = be_get_birg_irg(birg);
be_loopana_t *loop_ana = XMALLOC(be_loopana_t);
* Returns the computed register pressure for the given class and loop.
* @return The pressure or INT_MAX if not found
*/
-unsigned be_get_loop_pressure(be_loopana_t *loop_ana, const arch_register_class_t *cls, ir_loop *loop) {
+unsigned be_get_loop_pressure(be_loopana_t *loop_ana, const arch_register_class_t *cls, ir_loop *loop)
+{
unsigned pressure = INT_MAX;
be_loop_info_t *entry, key;
if (entry)
pressure = entry->max_pressure;
else
- assert(0 && "Pressure not computed for given class and loop object.");
+ panic("Pressure not computed for given class and loop object.");
return pressure;
}
/**
* Frees the loop analysis object.
*/
-void be_free_loop_pressure(be_loopana_t *loop_ana) {
+void be_free_loop_pressure(be_loopana_t *loop_ana)
+{
del_set(loop_ana->data);
xfree(loop_ana);
}
+BE_REGISTER_MODULE_CONSTRUCTOR(be_init_loopana);
void be_init_loopana(void)
{
FIRM_DBG_REGISTER(dbg, "firm.be.loopana");
}
-
-BE_REGISTER_MODULE_CONSTRUCTOR(be_init_loopana);