X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=ir%2Fbe%2Fia32%2Fbearch_ia32.c;h=3abf57d17168497c755b0de61bdd4d5a5952c97d;hb=a1a465eb2b3f54027b29f829423fffd0396937f4;hp=882e3a44d07cf02eaef7c31e9bd65581b6819197;hpb=c279966c1378ebe3cee97c6e4171755bc4d8b1df;p=libfirm

diff --git a/ir/be/ia32/bearch_ia32.c b/ir/be/ia32/bearch_ia32.c
index 882e3a44d..3abf57d17 100644
--- a/ir/be/ia32/bearch_ia32.c
+++ b/ir/be/ia32/bearch_ia32.c
@@ -138,6 +138,10 @@ static const arch_register_req_t *ia32_get_irn_reg_req(const void *self, arch_re
 
 	if (is_ia32_irn(irn)) {
 		irn_req = (pos >= 0) ? get_ia32_in_req(irn, pos) : get_ia32_out_req(irn, node_pos);
+		if (irn_req == NULL) {
+			/* no requirements */
+			return NULL;
+		}
 
 		DB((mod, LEVEL_1, "returning reqs for %+F at pos %d\n", irn, pos));
 
@@ -222,14 +226,9 @@ static const arch_register_t *ia32_get_irn_reg(const void *self, const ir_node *
 	}
 
 	if (is_ia32_irn(irn)) {
-		/* retrieve "real" x87 register */
-		if (ia32_has_x87_register(irn))
-			reg = get_ia32_attr(irn)->x87[pos + 2];
-		else {
-			const arch_register_t **slots;
-			slots = get_ia32_slots(irn);
-			reg   = slots[pos];
-		}
+		const arch_register_t **slots;
+		slots = get_ia32_slots(irn);
+		reg   = slots[pos];
 	}
 	else {
 		reg = ia32_get_firm_reg(irn, cur_reg_set);
@@ -266,7 +265,7 @@ static arch_irn_class_t ia32_classify(const void *self, const ir_node *irn) {
 
 static arch_irn_flags_t ia32_get_flags(const void *self, const ir_node *irn) {
 	arch_irn_flags_t flags;
-	ir_node          *pred = is_Proj(irn) ? get_Proj_pred(irn) : NULL;
+	ir_node          *pred = is_Proj(irn) && mode_is_datab(get_irn_mode(irn)) ? get_Proj_pred(irn) : NULL;
 
 	if (is_Unknown(irn))
 		flags = arch_irn_flags_ignore;