X-Git-Url: http://wien.tomnetworks.com/gitweb/?p=uebersetzerbau-ss10.git;a=blobdiff_plain;f=gesamt%2Fcode.bfe;h=9e85ee17abafb47722511d155aef96b151dd9301;hp=8e3dfde8eb1444485cf2824b265d089798c4236f;hb=2c41106ae4fd8e8b01f3e9c4ffe58f11263b318f;hpb=7b22a2a8269d60132324fdfa02e16cac946f5d4b

diff --git a/gesamt/code.bfe b/gesamt/code.bfe
index 8e3dfde..9e85ee1 100644
--- a/gesamt/code.bfe
+++ b/gesamt/code.bfe
@@ -164,7 +164,9 @@ void gen_subspecial(struct treenode *bnode, short e)
 	KIDKIDREG2PARM(1,0);
 
 	if(e) {
-		printf("\tsubq $%d, %%%s\n", KIDKID_VAL(1,0), BN_REG);
+		if(KIDKID_VAL(1,0) != 0) {
+			printf("\tsubq $%d, %%%s\n", KIDKID_VAL(1,0), BN_REG);
+		}
 	} else {
 		printf("\tsubq %%%s, %%%s\n", KIDKID_REG(1,0), BN_REG);
 	}
@@ -189,7 +191,21 @@ void make_call(struct treenode *bnode)
 	for(j = bnode->paramges; j < bnode->paramges + bnode->vars; j++) {
 		printf("\tpushq %%%s\n", param_reg(j));
 	}
+	/* TODO: schoener machen... */
+	if(strcmp(BN_REG, "rax")!=0) {
+		printf("\tpushq %%rax\n");
+		if(strcmp(BN_REG, "r10")!=0) {
+			printf("\tpushq %%r10\n");
+		}
+	}
 	printf("\tcall %s\n", bnode->name);
+	if(strcmp(BN_REG, "rax")!=0) {
+		move("rax", BN_REG);
+		if(strcmp(BN_REG, "r10")!=0) {
+			printf("\tpopq %%r10\n");
+		}
+		printf("\tpopq %%rax\n");
+	}
 
 	/* vars poppen */
 	for(j = bnode->paramges + bnode->vars - 1; j >= bnode->paramges; j--) {