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authorMichael Beck <beck@ipd.info.uni-karlsruhe.de>2008-10-12 02:53:40 +0200
committerMichael Beck <beck@ipd.info.uni-karlsruhe.de>2008-10-12 02:53:40 +0200
commit172f4f335951ba83be5f4d94c39087a99f27b56a (patch)
tree3558c22f6c6979218c54eb599fc5857d461ccf8d /ir/be/beloopana.c
parent0dad8bfcc985ba41f200b5db21d8f1546ae901c2 (diff)
- cleaned up
[r22779]
Diffstat (limited to 'ir/be/beloopana.c')
-rw-r--r--ir/be/beloopana.c34
1 files changed, 14 insertions, 20 deletions
diff --git a/ir/be/beloopana.c b/ir/be/beloopana.c
index c898c06..f256bc3 100644
--- a/ir/be/beloopana.c
+++ b/ir/be/beloopana.c
@@ -65,19 +65,18 @@ static int cmp_loop_info(const void *a, const void *b, size_t 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));
@@ -93,8 +92,8 @@ static unsigned be_compute_block_pressure(be_loopana_t *loop_ana,
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));
@@ -124,16 +123,11 @@ static unsigned be_compute_loop_pressure(be_loopana_t *loop_ana, ir_loop *loop,
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);
@@ -232,7 +226,7 @@ unsigned be_get_loop_pressure(be_loopana_t *loop_ana, const arch_register_class_
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;
}