X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fbeschedtrace.c;h=d91de8c2e5be202b6cbd4260575c4e5ee988e632;hb=716f7f09ca90bb2f21801dea9826b921e6195f0d;hp=bae27c79c46e2cfbccc080fca57c7be94bad4391;hpb=bb5461e3f6f900c09222814f2eec779684f28f73;p=libfirm

diff --git a/ir/be/beschedtrace.c b/ir/be/beschedtrace.c
index bae27c79c..d91de8c2e 100644
--- a/ir/be/beschedtrace.c
+++ b/ir/be/beschedtrace.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (C) 1995-2007 University of Karlsruhe.  All right reserved.
+ * Copyright (C) 1995-2008 University of Karlsruhe.  All right reserved.
  *
  * This file is part of libFirm.
  *
@@ -24,9 +24,7 @@
  * @date        28.08.2006
  * @version     $Id$
  */
-#ifdef HAVE_CONFIG_H
 #include "config.h"
-#endif
 
 #include <stdlib.h>
 
@@ -52,7 +50,6 @@ typedef struct _trace_irn {
 
 typedef struct _trace_env {
 	trace_irn_t      *sched_info;               /**< trace scheduling information about the nodes */
-	const arch_env_t *arch_env;                 /**< the arch environment */
 	sched_timestep_t curr_time;                 /**< current time of the scheduler */
 	void             *selector_env;             /**< the backend selector environment */
 	const list_sched_selector_t *selector;      /**< the actual backend selector */
@@ -305,10 +302,11 @@ static int get_reg_difference(trace_env_t *env, ir_node *irn) {
 	for (i = get_irn_arity(irn) - 1; i >= 0; i--) {
 		ir_node *in = get_irn_n(irn, i);
 
-		if (! be_is_live_end(env->liveness, block, in) &&  /* if the value lives outside of block: do not count */
-			mode_is_datab(get_irn_mode(in))             &&  /* must be data node */
-			! arch_irn_is(env->arch_env, in, ignore))       /* ignore "ignore" nodes :) */
+		if (mode_is_datab(get_irn_mode(in)) &&           /* must be data node */
+		    !arch_irn_is(in, ignore)        &&           /* ignore "ignore" nodes :) */
+		    !be_is_live_end(env->liveness, block, in)) { /* if the value lives outside of block: do not count */
 			num_in++;
+		}
 	}
 
 	return num_out - num_in;
@@ -391,6 +389,16 @@ static void trace_preprocess_block(trace_env_t *env, ir_node *block) {
 	foreach_out_edge(block, edge) {
 		ir_node *succ = get_edge_src_irn(edge);
 
+		if (is_Block(succ)) {
+			/* A Block-Block edge. This should be the MacroBlock
+			 * edge, ignore it. */
+			assert(get_Block_MacroBlock(succ) == block && "Block-Block edge found");
+			continue;
+		}
+		if (is_Anchor(succ)) {
+			/* ignore a keep alive edge */
+			continue;
+		}
 		if (is_root(succ, block)) {
 			mark_root_node(env, succ);
 			set_irn_link(succ, root);
@@ -415,7 +423,7 @@ static void trace_preprocess_block(trace_env_t *env, ir_node *block) {
 	for (cur_pos = 0, curr = root; curr; curr = get_irn_link(curr), cur_pos++) {
 		sched_timestep_t d;
 
-		if (arch_irn_class_is(env->arch_env, curr, branch)) {
+		if (arch_irn_class_is(curr, branch)) {
 			/* assure, that branches can be executed last */
 			d = 0;
 		}
@@ -482,16 +490,17 @@ static void trace_update_time(void *data, ir_node *irn) {
  * @param birg   The backend irg object
  * @return The environment
  */
-static trace_env_t *trace_init(const arch_env_t *arch_env, ir_graph *irg) {
-	trace_env_t *env = xcalloc(1, sizeof(*env));
+static trace_env_t *trace_init(const be_irg_t *birg) {
+	trace_env_t *env = XMALLOCZ(trace_env_t);
+	ir_graph    *irg = be_get_birg_irg(birg);
 	int         nn   = get_irg_last_idx(irg);
 
-	env->arch_env   = arch_env;
 	env->curr_time  = 0;
 	env->sched_info = NEW_ARR_F(trace_irn_t, nn);
-	env->liveness   = be_liveness(irg);
+	env->liveness   = be_liveness(birg);
 	FIRM_DBG_REGISTER(env->dbg, "firm.be.sched.trace");
 
+	be_liveness_assure_chk(env->liveness);
 	memset(env->sched_info, 0, nn * sizeof(*(env->sched_info)));
 
 	return env;
@@ -511,13 +520,14 @@ static void trace_free(void *data) {
 /**
  * Simple selector. Just assure that jumps are scheduled last.
  */
-static ir_node *basic_selection(const arch_env_t *arch_env, ir_nodeset_t *ready_set) {
+static ir_node *basic_selection(ir_nodeset_t *ready_set)
+{
 	ir_node *irn = NULL;
 	ir_nodeset_iterator_t iter;
 
 	/* assure that branches and constants are executed last */
 	foreach_ir_nodeset(ready_set, irn, iter) {
-		if (! arch_irn_class_is(arch_env, irn, branch)) {
+		if (!arch_irn_class_is(irn, branch)) {
 			return irn;
 		}
 	}
@@ -569,7 +579,7 @@ static ir_node *muchnik_select(void *block_env, ir_nodeset_t *ready_set, ir_node
 		if (cnt == 1) {
 			irn = get_nodeset_node(&ecands);
 
-			if (arch_irn_class_is(env->arch_env, irn, branch)) {
+			if (arch_irn_class_is(irn, branch)) {
 				/* BEWARE: don't select a JUMP if others are still possible */
 				goto force_mcands;
 			}
@@ -577,23 +587,23 @@ static ir_node *muchnik_select(void *block_env, ir_nodeset_t *ready_set, ir_node
 		}
 		else if (cnt > 1) {
 			DB((env->dbg, LEVEL_3, "\tecand = %d, max_delay = %u\n", cnt, max_delay));
-			irn = basic_selection(env->arch_env, &ecands);
+			irn = basic_selection(&ecands);
 		}
 		else {
 force_mcands:
 			DB((env->dbg, LEVEL_3, "\tmcand = %d\n", ir_nodeset_size(&mcands)));
-			irn = basic_selection(env->arch_env, &mcands);
+			irn = basic_selection(&mcands);
 		}
 	}
 
 	return irn;
 }
 
-static void *muchnik_init_graph(const list_sched_selector_t *vtab, const arch_env_t *arch_env, ir_graph *irg)
+static void *muchnik_init_graph(const list_sched_selector_t *vtab, const be_irg_t *birg)
 {
-	trace_env_t *env  = trace_init(arch_env, irg);
+	trace_env_t *env  = trace_init(birg);
 	env->selector     = vtab;
-	env->selector_env = (void*) arch_env;
+	env->selector_env = (void*) be_get_birg_arch_env(birg);
 	return (void *)env;
 }
 
@@ -603,7 +613,7 @@ static void *muchnik_init_block(void *graph_env, ir_node *bl)
 	return graph_env;
 }
 
-static const list_sched_selector_t muchnik_selector_struct = {
+const list_sched_selector_t muchnik_selector = {
 	muchnik_init_graph,
 	muchnik_init_block,
 	muchnik_select,
@@ -616,8 +626,6 @@ static const list_sched_selector_t muchnik_selector_struct = {
 	trace_free           /* finish_graph */
 };
 
-const list_sched_selector_t *muchnik_selector = &muchnik_selector_struct;
-
 /**
  * Execute the heuristic function.
  */
@@ -647,12 +655,12 @@ static ir_node *heuristic_select(void *block_env, ir_nodeset_t *ns, ir_nodeset_t
 	/* priority based selection, heuristic inspired by mueller diss */
 	foreach_ir_nodeset(ns, irn, iter) {
 		/* make sure that branches are scheduled last */
-		if (! arch_irn_class_is(trace_env->arch_env, irn, branch)) {
+		if (!arch_irn_class_is(irn, branch)) {
 			int rdiff = get_irn_reg_diff(trace_env, irn);
 			int sign  = rdiff < 0;
 			int chg   = (rdiff < 0 ? -rdiff : rdiff) << PRIO_CHG_PRESS;
 
-			//reg_fact = chg << cur_pressure;
+			/* reg_fact = chg << cur_pressure; */
 			reg_fact = chg * cur_pressure;
 			if (reg_fact < chg)
 				reg_fact = INT_MAX - 2;
@@ -687,13 +695,13 @@ static ir_node *heuristic_select(void *block_env, ir_nodeset_t *ns, ir_nodeset_t
 		DBG((trace_env->dbg, LEVEL_4, "heuristic selected %+F:\n", cand));
 	}
 	else {
-		cand = basic_selection(trace_env->arch_env, ns);
+		cand = basic_selection(ns);
 	}
 
 	return cand;
 }
 
-static const list_sched_selector_t heuristic_selector_struct = {
+const list_sched_selector_t heuristic_selector = {
 	muchnik_init_graph,
 	muchnik_init_block,
 	heuristic_select,
@@ -705,5 +713,3 @@ static const list_sched_selector_t heuristic_selector_struct = {
 	NULL,                /* finish_block */
 	trace_free           /* finish_graph */
 };
-
-const list_sched_selector_t *heuristic_selector = &heuristic_selector_struct;