static void genincptr(int *lv, int inc, int pre) {
int y, size;
size = objsize(deref(lv[LVPRIM]), TVARIABLE, 1);
gentext();
y = lv[LVSYM];
commit();
if (!y && !pre) cgldinc();
if (!pre) {
genrval(lv);
commit();
}
if (!y) {
if (pre)
if (inc)
cginc1pi(size);
else
cgdec1pi(size);
else
if (inc)
cginc2pi(size);
else
cgdec2pi(size);
}
else if (CAUTO == Stcls[y]) {
if (inc)
cgincpl(Vals[y], size);
else
cgdecpl(Vals[y], size);
}
else if (CLSTATC == Stcls[y]) {
if (inc)
cgincps(Vals[y], size);
else
cgdecps(Vals[y], size);
}
else {
if (inc)
cgincpg(gsym(Names[y]), size);
else
cgdecpg(gsym(Names[y]), size);
}
if (pre) genrval(lv);
}
static void genincptr(int *lv, int inc, int pre)
{
int y;
int size = objsize(deref(lv[LVPRIM]), TVARIABLE, 1);
gentext();
y = lv[LVSYM];
commit();
if (!y && !pre)
cgldinc();
if (!pre)
{
rvalue(lv);
commit();
}
if (!y)
{
if (pre)
{
if (inc)
cginc1pi(size);
else
cgdec1pi(size);
}
else
{
if (inc)
cginc2pi(size);
else
cgdec2pi(size);
}
}
else if (CAUTO == symbols[y].stcl)
{
if (inc)
cgincpl(symbols[y].value, size);
else
cgdecpl(symbols[y].value, size);
}
else if (CLSTATC == symbols[y].stcl)
{
if (inc)
cgincps(symbols[y].value, size);
else
cgdecps(symbols[y].value, size);
}
else
{
if (inc)
cgincpg(gsym(symbols[y].name), size);
else
cgdecpg(gsym(symbols[y].name), size);
}
if (pre)
rvalue(lv);
}
/* increment/decrement pointer to local, static, global */
void cgincpl(int a, int v) { ngen("%s(r3, %d, r23);", "ld_rd_o_rs", a); ngen("%s(r3,%d);", "addi", v); ngen("%s(r3, %d, r23);", "st_rd_o_rs", a); } /* ngen2("%s\t$%d,%d(%%ebp);", "addl", v, a); } */
void cgdecpl(int a, int v) { ngen("%s(r3, %d, r23);", "ld_rd_o_rs", a); ngen("%s(r3,%d);", "subi", v); ngen("%s(r3, %d, r23);", "st_rd_o_rs", a); } /* ngen2("%s\t$%d,%d(%%ebp);", "subl", v, a); } */
void cgincps(int a, int v) { lgen("%s(r3, %c%d);", "ld_rd_u", a); ngen("%s(r3,%d);", "addi", v); lgen("%s(r3, %c%d);", "st_rd_u", a); } /* lgen2("addl\t$%d,%c%d", v, a); } */
void cgdecps(int a, int v) { lgen("%s(r3, %c%d);", "ld_rd_u", a); ngen("%s(r3,%d);", "subi", v); lgen("%s(r3, %c%d);", "st_rd_u", a); } /* { lgen2("subl\t$%d,%c%d", v, a); } */
void cgincpg(char *s, int v) { sgen("%s(r3, %s);", "ld_rd_u", s); ngen("%s(r3,%d);", "addi", v); sgen("%s(r3, %s);", "st_rd_u", s); } /* sgen2("%s\t$%d,%s", "addl", v, s); } */
void cgdecpg(char *s, int v) { sgen("%s(r3, %s);", "ld_rd_u", s); ngen("%s(r3,%d);", "subi", v); sgen("%s(r3, %s);", "st_rd_u", s); } /* sgen2("%s\t$%d,%s", "subl", v, s); } */
void cginc1iw(void) { cginc1pi(1); } /* ngen("%s\t(%%eax);", "incl", 0); } */
void cgdec1iw(void) { cgdec1pi(1); } /* ngen("%s\t(%%eax);", "decl", 0); } */
void cginc2iw(void) { cginc2pi(1); } /* ngen("%s\t(%%edx);", "incl", 0); } */
void cgdec2iw(void) { cgdec2pi(1); } /* ngen("%s\t(%%edx);", "decl", 0); } */
void cginclw(int a) { cgincpl(a, 1); } /* ngen("%s\t%d(%%ebp);", "incl", a); } */