X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fia32%2Fbearch_ia32.c;h=3b9c06f61a8ed14007f315bfa4a5dba6ff8cd304;hb=07f42691eb2d024ccd3fdf83864ac869401e5111;hp=c1542650a9e1aac5100be5e500fcb0ad3896da57;hpb=1894b7dd99b524c25c8fa18c33c250ea2cde2e36;p=libfirm

diff --git a/ir/be/ia32/bearch_ia32.c b/ir/be/ia32/bearch_ia32.c
index c1542650a..3b9c06f61 100644
--- a/ir/be/ia32/bearch_ia32.c
+++ b/ir/be/ia32/bearch_ia32.c
@@ -39,11 +39,11 @@
 #include "irprintf.h"
 #include "iredges_t.h"
 #include "ircons.h"
+#include "irflag.h"
 #include "irgmod.h"
 #include "irgopt.h"
 #include "irbitset.h"
 #include "irgopt.h"
-#include "irdump_grgen.h"
 #include "pdeq.h"
 #include "pset.h"
 #include "debug.h"
@@ -933,7 +933,7 @@ static void ia32_before_abi(void *self) {
 static void ia32_prepare_graph(void *self) {
 	ia32_code_gen_t *cg = self;
 
-	/* do local optimisations */
+	/* do local optimizations */
 	optimize_graph_df(cg->irg);
 
 	/* TODO: we often have dead code reachable through out-edges here. So for
@@ -948,17 +948,22 @@ static void ia32_prepare_graph(void *self) {
 		be_dump(cg->irg, "-pre_transform", dump_ir_block_graph_sched);
 
 #ifdef FIRM_GRGEN_BE
+	// disable CSE, because of two-step node-construction
+	set_opt_cse(0);
+
 	/* transform nodes into assembler instructions by PBQP magic */
 	ia32_transform_graph_by_pbqp(cg);
-#endif
 
 	if (cg->dump)
 		be_dump(cg->irg, "-after_pbqp_transform", dump_ir_block_graph_sched);
+	set_opt_cse(1);
+#else
 
 	/* transform remaining nodes into assembler instructions */
 	ia32_transform_graph(cg);
+#endif
 
-	/* do local optimisations (mainly CSE) */
+	/* do local optimizations (mainly CSE) */
 	optimize_graph_df(cg->irg);
 
 	if (cg->dump)