gesamt: bugfix fuer 'this.ID(...)'

[uebersetzerbau-ss10.git] / gesamt / code.bfe

diff --git a/gesamt/code.bfe b/gesamt/code.bfe
index 68d6089d3fa4d0b62cc39858496073fc20ec7c30..1c6c410014eae27dbfd9d6a9be359a16df438d07 100644 (file)
--- a/gesamt/code.bfe
+++ b/gesamt/code.bfe
@@ -190,17 +190,18 @@ void assign_var(struct treenode *bnode)
 void make_call(struct treenode *bnode)
 {
        int j;
-       /* params pushen */
+       printf("\t//params pushen\n");
        for(j = 0; j < bnode->soffset; j++) {
                printf("\txchg %%%s, %d(%%rsp)\n", param_reg(j), j*8);
        }
-       /* vars pushen */
+       printf("\t//vars pushen\n");
        for(j = 6; j > 6 - bnode->vars - 1; j--) {
                printf("\tpushq %%%s\n", param_reg(j));
        }
 
        /* TODO: schoener machen... */
        if(strcmp(BN_REG, "rax")!=0) {
+               printf("\t//tmp register pushen\n");
                printf("\tpushq %%rax\n");
                if(strcmp(BN_REG, "r10")!=0) {
                        printf("\tpushq %%r10\n");
@@ -230,7 +231,16 @@ void prep_arg(struct treenode *bnode, int moveit)
 {
        printf("\t//args-nr.: %i (%%%s) [moveit: %i]\n", bnode->soffset, param_reg(bnode->soffset), moveit);
        if(moveit) { /* expr */
-               printf("\tpushq %%%s\n", BN_REG == (char *) NULL ? param_reg(bnode->soffset) : BN_REG);
+               if((BN_REG == (char *) NULL) || (bnode->kids[1] != TREENULL && bnode->kids[1]->op == O_ID && bnode->kids[1]->kids[0] == TREENULL && bnode->kids[1]->kids[1] == TREENULL)) {
+                       if(bnode->kids[1]->name != (char *) NULL && strcmp(bnode->kids[1]->name,"this")!=0) {
+                               KIDREG2PARM(1);
+                               printf("\tpushq %%%s\n", KID_REG(1));
+                       } else {
+                               printf("\tpushq %%%s\n", param_reg(bnode->soffset));
+                       }
+               } else {
+                       printf("\tpushq %%%s\n", BN_REG);
+               }
        } else { /* just O_ID */
                KIDREG2PARM(0);
                printf("\tpushq %%%s\n", KID_REG(0));