static void emit_literal_string(Node *node) {
SAVE;
if (!node->slabel) {
node->slabel = make_label();
emit_noindent(".data");
emit_label(node->slabel);
emit(".string \"%s\"", quote_cstring(node->sval));
emit_noindent(".text");
}
emit("lea %s(%%rip), %%rax", node->slabel);
}
static void emit_literal(Node *node) {
SAVE;
switch (node->ctype->type) {
case CTYPE_BOOL:
case CTYPE_CHAR:
emit("mov $%d, %%rax", node->ival);
break;
case CTYPE_INT:
emit("mov $%d, %%rax", node->ival);
break;
case CTYPE_LONG:
case CTYPE_LLONG: {
emit("mov $%lu, %%rax", node->ival);
break;
}
case CTYPE_FLOAT: {
if (!node->flabel) {
node->flabel = make_label();
float fval = node->fval;
int *p = (int *)&fval;
emit_noindent(".data");
emit_label(node->flabel);
emit(".long %d", *p);
emit_noindent(".text");
}
emit("movss %s(%%rip), %%xmm0", node->flabel);
break;
}
case CTYPE_DOUBLE:
case CTYPE_LDOUBLE: {
if (!node->flabel) {
node->flabel = make_label();
int *fval = (int *)&node->fval;
emit_noindent(".data");
emit_label(node->flabel);
emit(".long %d", fval[0]);
emit(".long %d", fval[1]);
emit_noindent(".text");
}
emit("movsd %s(%%rip), %%xmm0", node->flabel);
break;
}
default:
error("internal error");
}
}
static void emit_literal(Node *node) {
SAVE;
switch (node->ty->kind) {
case KIND_BOOL:
case KIND_CHAR:
case KIND_SHORT:
emit("mov $%u, #rax", node->ival);
break;
case KIND_INT:
emit("mov $%u, #rax", node->ival);
break;
case KIND_LONG:
case KIND_LLONG: {
emit("mov $%lu, #rax", node->ival);
break;
}
case KIND_FLOAT: {
if (!node->flabel) {
node->flabel = make_label();
float fval = node->fval;
emit_noindent(".data");
emit_label(node->flabel);
emit(".long %d", *(uint32_t *)&fval);
emit_noindent(".text");
}
emit("movss %s(#rip), #xmm0", node->flabel);
break;
}
case KIND_DOUBLE:
case KIND_LDOUBLE: {
if (!node->flabel) {
node->flabel = make_label();
emit_noindent(".data");
emit_label(node->flabel);
emit(".quad %lu", *(uint64_t *)&node->fval);
emit_noindent(".text");
}
emit("movsd %s(#rip), #xmm0", node->flabel);
break;
}
case KIND_ARRAY: {
if (!node->slabel) {
node->slabel = make_label();
emit_noindent(".data");
emit_label(node->slabel);
emit(".string \"%s\"", quote_cstring_len(node->sval, node->ty->size));
emit_noindent(".text");
}
emit("lea %s(#rip), #rax", node->slabel);
break;
}
default:
error("internal error");
}
}