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;
26 /* save the link register */
27 printf("\tmflr 0; stw 0,-8(1)\n");
28 /* create the stack */
29 printf("\tstwu 1, -80(1)\n");
33 char *get_func_name(void)
38 void func_footer(void)
41 /* remove stack frame */
42 printf("\taddi 1,1,80\n");
43 /* restore link register */
44 printf("\tlwz 0,-8(1); mtlr 0\n");
46 printf("\tblr\n\n\n");
49 void move(char *src, char *dst)
51 if(src == (char*) NULL) return;
52 if(strcmp(src,dst) != 0) {
53 printf("\tmr %s,%s\n", dst, src);
57 void moveimm(long imm, char *dst)
59 if((imm > 65536-1) || (imm < -65536)) {
61 printf("\tlis %s,%d@ha\n", dst, imm);
63 printf("\taddi %s,%s,%d@l\n", dst, dst, imm);
66 printf("\tli %s,%d@l\n", dst, imm);
70 char *next_reg(char *s, int params)
73 if (s != (char*) NULL) {
74 while(strcmp(s, regsppc[i]) != 0) {
80 fprintf(stderr, "next_reg(): %s (bei %i parameter)\n", regsppc[i], params);
85 char *reg_64to8l(char *s)
87 fprintf(stderr, "reg_64to8l(): sollte nicht passieren\n");
92 char *param_reg(int num)
94 char *regs[] = {"3", "4", "5", "6", "7", "8", "9", "10"};