{
printf("\t//gen_id_eno\n");
KIDKIDREG2PARM(1,0);
- printf("\taddq %%%s, %%%s\n", KIDKID_REG(1,0), KIDKID_REG(1,1));
+ KIDKIDREG2PARM(1,1);
+ KIDREG2PARM(0);
+ move(KID_REG(0), BN_REG);
printf("\tsubq %%%s, %%%s\n", KIDKID_REG(1,1), BN_REG);
+ printf("\tsubq %%%s, %%%s\n", KIDKID_REG(1,0), BN_REG);
}
void gen_e_field(struct treenode *bnode, char *instr)
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);
}
void make_call(struct treenode *bnode)
{
int j;
- /* vars pushen */
- for(j = bnode->paramges; j < bnode->paramges + bnode->vars; j++) {
+ printf("\t//params pushen\n");
+ for(j = 0; j < bnode->soffset; j++) {
+ printf("\txchg %%%s, %d(%%rsp)\n", param_reg(j), j*8);
+ }
+ printf("\t//vars pushen\n");
+ for(j = 6; j > 6 - bnode->vars; 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");
+ }
+ }
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--) {
+ for(j = 7 - bnode->vars; j < 7; j++) {
printf("\tpopq %%%s\n", param_reg(j));
}
/* params poppen */
- for(j = bnode->soffset - 1; j >= 0; j--) {
+ for(j = 0; j < bnode->soffset; j++) {
printf("\tpopq %%%s\n", param_reg(j));
}
}
void prep_arg(struct treenode *bnode, int moveit)
{
- printf("\t//args-nr.: %%%s to %%%s (moveit: %i)\n", BN_REG, param_reg(bnode->soffset), moveit);
- printf("\tpushq %%%s\n", param_reg(bnode->soffset));
+ printf("\t//args-nr.: %i (%%%s) [moveit: %i]\n", bnode->soffset, param_reg(bnode->soffset), moveit);
if(moveit) { /* expr */
- move(BN_REG, param_reg(bnode->soffset));
+ 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);
- move(KID_REG(0), param_reg(bnode->soffset));
+ printf("\tpushq %%%s\n", KID_REG(0));
}
}
expr: imm # 1 # moveimm(BN_VAL, BN_REG);
expr: O_BOOL(expr) # 0 #
-expr: O_CALL(expr,expr) # 0 # make_call(bnode);
+expr: O_CALL(expr) # 0 # make_call(bnode);
expr: O_ARG(expr,expr) # 1 # prep_arg(bnode, 1);
expr: O_ARG(O_ID,expr) # 1 # prep_arg(bnode, 0);
expr: O_NOTHING # 0 #