12 static char *regsppc[] = {"14", "15", "16", "17", "18"};
15 static char *akt_func_name = (char*) NULL;
16 static char need_stack = 0;
18 void func_header(char *s, int vars, int parms, int call)
20 printf("\t.globl %1$s\n\t.type %1$s, @function\n%1$s:\n", s);
21 printf("\t#vars: %i, parms: %i, call(bool): %i\n", vars, parms, call);
24 need_stack = (vars || parms) && call;
27 printf("\tenter $%d, $0\n", 8*(vars + parms + 2 /* fuer rax und r10 */));
29 /* save the link register */
30 printf("\tmflr 0; stw 0,8(1)\n");
31 /* create the stack */
32 printf("\tstwu 1, -64(1)\n");
37 char *get_func_name(void)
42 void func_footer(void)
48 /* remove stack frame */
49 printf("\taddi 1,1,64\n");
50 /* restore link register */
51 printf("\tlwz 0,8(1); mtlr 0\n");
54 printf("\tblr\n\n\n");
57 void move(char *src, char *dst)
59 if(src == (char*) NULL) return;
60 if(strcmp(src,dst) != 0) {
61 printf("\tmr %s,%s\n", dst, src);
65 void moveimm(long imm, char *dst)
67 /* TODO: 32 bits... */
68 printf("\tli %s,%d\n", dst, imm);
71 char *next_reg(char *s, int params)
74 if (s != (char*) NULL) {
75 while(strcmp(s, regsppc[i]) != 0) {
81 fprintf(stderr, "next_reg(): %s (bei %i parameter)\n", regsppc[i], params);
86 char *reg_64to8l(char *s)
88 fprintf(stderr, "reg_64to8l(): sollte nicht passieren\n");
93 char *param_reg(int num)
95 char *regs[] = {"3", "4", "5", "6", "7", "8", "9"};