/* The main mips backend driver file. */
/* $Id$ */
-
#ifdef HAVE_CONFIG_H
-#include "config.h"
+#include <config.h>
#endif
#include "pseudo_irg.h"
#include "../be.h"
#include "../beabi.h"
#include "../bemachine.h"
+#include "../bemodule.h"
#include "bearch_mips_t.h"
* |___/
**************************************************/
-static ir_node *my_skip_proj(const ir_node *n) {
- while (is_Proj(n))
- n = get_Proj_pred(n);
- return (ir_node *)n;
-}
-
/**
* Return register requirements for a mips node.
* If the node returns a tuple (mode_T) then the proj's
* will be asked for this information.
*/
-static const arch_register_req_t *mips_get_irn_reg_req(const void *self, arch_register_req_t *req, const ir_node *irn, int pos) {
- const mips_register_req_t *irn_req;
+static const
+arch_register_req_t *mips_get_irn_reg_req(const void *self,
+ const ir_node *node, int pos) {
long node_pos = pos == -1 ? 0 : pos;
- ir_mode *mode = get_irn_mode(irn);
- FIRM_DBG_REGISTER(firm_dbg_module_t *mod, DEBUG_MODULE);
+ ir_mode *mode = get_irn_mode(node);
- if (is_Block(irn) || mode == mode_X || mode == mode_M) {
- DBG((mod, LEVEL_1, "ignoring mode_T, mode_M node %+F\n", irn));
- return NULL;
+ if (is_Block(node) || mode == mode_X || mode == mode_M) {
+ return arch_no_register_req;
}
if (mode == mode_T && pos < 0) {
- DBG((mod, LEVEL_1, "ignoring request for OUT requirements at %+F\n", irn));
- return NULL;
+ return arch_no_register_req;
}
- DBG((mod, LEVEL_1, "get requirements at pos %d for %+F ... ", pos, irn));
-
- if (is_Proj(irn)) {
+ if (is_Proj(node)) {
/* in case of a proj, we need to get the correct OUT slot */
/* of the node corresponding to the proj number */
if (pos == -1) {
- node_pos = mips_translate_proj_pos(irn);
+ node_pos = mips_translate_proj_pos(node);
}
else {
node_pos = pos;
}
- irn = my_skip_proj(irn);
-
- DB((mod, LEVEL_1, "skipping Proj, going to %+F at pos %d ... ", irn, node_pos));
+ node = skip_Proj_const(node);
}
/* get requirements for our own nodes */
- if (is_mips_irn(irn)) {
+ if (is_mips_irn(node)) {
+ const arch_register_req_t *req;
if (pos >= 0) {
- irn_req = get_mips_in_req(irn, pos);
- }
- else {
- irn_req = get_mips_out_req(irn, node_pos);
- }
-
- DB((mod, LEVEL_1, "returning reqs for %+F at pos %d\n", irn, pos));
-
- memcpy(req, &(irn_req->req), sizeof(*req));
-
- if (arch_register_req_is(&(irn_req->req), should_be_same)) {
- assert(irn_req->same_pos >= 0 && "should be same constraint for in -> out NYI");
- req->other_same = get_irn_n(irn, irn_req->same_pos);
+ req = get_mips_in_req(node, pos);
+ } else {
+ req = get_mips_out_req(node, node_pos);
}
- if (arch_register_req_is(&(irn_req->req), should_be_different)) {
- assert(irn_req->different_pos >= 0 && "should be different constraint for in -> out NYI");
- req->other_different = get_irn_n(irn, irn_req->different_pos);
- }
+ return req;
}
- /* get requirements for FIRM nodes */
- else {
- /* treat Phi like Const with default requirements */
- if (is_Phi(irn)) {
- DB((mod, LEVEL_1, "returning standard reqs for %+F\n", irn));
- if (mode_is_float(mode)) {
- //memcpy(req, &(mips_default_req_mips_floating_point.req), sizeof(*req));
- assert(0 && "floating point not supported (yet)");
- }
- else if (mode_is_int(mode) || mode_is_reference(mode)) {
- memcpy(req, &(mips_default_req_mips_gp.req), sizeof(*req));
- }
- else if (mode == mode_T || mode == mode_M) {
- DBG((mod, LEVEL_1, "ignoring Phi node %+F\n", irn));
- return NULL;
- }
- else {
- assert(0 && "unsupported Phi-Mode");
- }
- }
- else {
- DB((mod, LEVEL_1, "returning NULL for %+F (node not supported)\n", irn));
- req = NULL;
- }
- }
+ /* unknown should be translated by now */
+ assert(!is_Unknown(node));
- return req;
+ return arch_no_register_req;
}
static void mips_set_irn_reg(const void *self, ir_node *irn, const arch_register_t *reg) {
}
pos = mips_translate_proj_pos(irn);
- irn = my_skip_proj(irn);
+ irn = skip_Proj(irn);
}
if (is_mips_irn(irn)) {
}
pos = mips_translate_proj_pos(irn);
- irn = my_skip_proj(irn);
+ irn = skip_Proj_const(irn);
}
if (is_mips_irn(irn)) {
}
static arch_irn_class_t mips_classify(const void *self, const ir_node *irn) {
- irn = my_skip_proj(irn);
+ irn = skip_Proj_const(irn);
if (is_cfop(irn)) {
return arch_irn_class_branch;
}
static arch_irn_flags_t mips_get_flags(const void *self, const ir_node *irn) {
- irn = my_skip_proj(irn);
+ irn = skip_Proj_const(irn);
if (is_mips_irn(irn)) {
return get_mips_flags(irn);
return NULL;
}
+/**
+ * Return irp irgs in the desired order.
+ */
+static ir_graph **mips_get_irg_list(const void *self, ir_graph ***irg_list) {
+ return NULL;
+}
+
/**
* Returns the libFirm configuration parameter for this backend.
*/
return &p;
}
-#ifdef WITH_LIBCORE
-static void mips_register_options(lc_opt_entry_t *ent)
-{
-}
-#endif /* WITH_LIBCORE */
-
const arch_isa_if_t mips_isa_if = {
mips_init,
mips_done,
mips_get_libfirm_params,
mips_get_allowed_execution_units,
mips_get_machine,
-#ifdef WITH_LIBCORE
- mips_register_options
-#endif
+ mips_get_irg_list,
};
+
+void be_init_arch_mips(void)
+{
+ be_register_isa_if("mips", &mips_isa_if);
+}
+
+BE_REGISTER_MODULE_CONSTRUCTOR(be_init_arch_mips);
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