+/*
+ * Copyright (C) 1995-2007 University of Karlsruhe. All right reserved.
+ *
+ * This file is part of libFirm.
+ *
+ * This file may be distributed and/or modified under the terms of the
+ * GNU General Public License version 2 as published by the Free Software
+ * Foundation and appearing in the file LICENSE.GPL included in the
+ * packaging of this file.
+ *
+ * Licensees holding valid libFirm Professional Edition licenses may use
+ * this file in accordance with the libFirm Commercial License.
+ * Agreement provided with the Software.
+ *
+ * This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+ * WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE.
+ */
+
/**
- * This file implements the creation of the achitecture specific firm opcodes
- * and the coresponding node constructors for the mips assembler irg.
- * $Id$
+ * @file
+ * @brief This file implements the creation of the achitecture specific firm
+ * opcodes and the coresponding node constructors for the mips
+ * assembler irg.
+ * @author Matthias Braun, Mehdi
+ * @version $Id$
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
-#ifdef _WIN32
-#include <malloc.h>
-#else
-#include <alloca.h>
-#endif
-
#include <stdlib.h>
#include "irprog_t.h"
#include "firm_common_t.h"
#include "irvrfy_t.h"
#include "irprintf.h"
+#include "xmalloc.h"
-#include "../bearch.h"
+#include "../bearch_t.h"
#include "mips_nodes_attr.h"
#include "mips_new_nodes.h"
* |_|
***********************************************************************************/
-/**
- * Returns a string containing the names of all registers within the limited bitset
- */
-static char *get_limited_regs(const arch_register_req_t *req, char *buf, int max) {
- bitset_t *bs = bitset_alloca(req->cls->n_regs);
- char *p = buf;
- int size = 0;
- int i, cnt;
-
- req->limited(NULL, bs);
-
- for (i = 0; i < req->cls->n_regs; i++) {
- if (bitset_is_set(bs, i)) {
- cnt = snprintf(p, max - size, " %s", req->cls->regs[i].name);
- if (cnt < 0) {
- fprintf(stderr, "dumper problem, exiting\n");
- exit(1);
- }
-
- p += cnt;
- size += cnt;
-
- if (size >= max)
- break;
- }
- }
-
- return buf;
-}
-
/**
* Dumps the register requirements for either in or out.
*/
-static void dump_reg_req(FILE *F, ir_node *n, const mips_register_req_t **reqs, int inout) {
+static void dump_reg_req(FILE *F, ir_node *n, const arch_register_req_t **reqs, int inout) {
char *dir = inout ? "out" : "in";
int max = inout ? get_mips_n_res(n) : get_irn_arity(n);
- char *buf = alloca(1024);
+ char buf[1024];
int i;
- memset(buf, 0, 1024);
+ memset(buf, 0, sizeof(buf));
if (reqs) {
for (i = 0; i < max; i++) {
fprintf(F, "%sreq #%d =", dir, i);
- if (reqs[i]->req.type == arch_register_req_type_none) {
+ if (reqs[i]->type == arch_register_req_type_none) {
fprintf(F, " n/a");
}
- if (reqs[i]->req.type & arch_register_req_type_normal) {
- fprintf(F, " %s", reqs[i]->req.cls->name);
+ if (reqs[i]->type & arch_register_req_type_normal) {
+ fprintf(F, " %s", reqs[i]->cls->name);
}
- if (reqs[i]->req.type & arch_register_req_type_limited) {
- fprintf(F, " %s", get_limited_regs(&reqs[i]->req, buf, 1024));
+ if (reqs[i]->type & arch_register_req_type_limited) {
+ fprintf(F, " %s",
+ arch_register_req_format(buf, sizeof(buf), reqs[i], n));
}
- if (reqs[i]->req.type & arch_register_req_type_should_be_same) {
- ir_fprintf(F, " same as %+F", get_irn_n(n, reqs[i]->same_pos));
+ if (reqs[i]->type & arch_register_req_type_should_be_same) {
+ ir_fprintf(F, " same as %+F", get_irn_n(n, reqs[i]->other_same));
}
- if (reqs[i]->req.type & arch_register_req_type_should_be_different) {
- ir_fprintf(F, " different from %+F", get_irn_n(n, reqs[i]->different_pos));
+ if (reqs[i]->type & arch_register_req_type_should_be_different) {
+ ir_fprintf(F, " different from %+F", get_irn_n(n, reqs[i]->other_different));
}
fprintf(F, "\n");
}
fprintf(F, "\n");
- }
- else {
+ } else {
fprintf(F, "%sreq = N/A\n", dir);
}
}
int i;
mips_attr_t *attr;
char buf[64];
- const mips_register_req_t **reqs;
+ const arch_register_req_t **reqs;
const arch_register_t **slots;
switch (reason) {
}
/* dump OUT requirements */
- if (attr->n_res > 0) {
+ if (ARR_LEN(attr->slots) > 0) {
reqs = get_mips_out_req_all(n);
dump_reg_req(F, n, reqs, 1);
}
/* dump assigned registers */
slots = get_mips_slots(n);
- if (slots && attr->n_res > 0) {
- for (i = 0; i < attr->n_res; i++) {
+ if (slots && ARR_LEN(attr->slots) > 0) {
+ for (i = 0; i < ARR_LEN(attr->slots); i++) {
if (slots[i]) {
fprintf(F, "reg #%d = %s\n", i, slots[i]->name);
}
}
fprintf(F, " (%d)\n", attr->flags);
- if(attr->modes.load_store_mode != NULL) {
- fprintf(F, " load_store_mode %s\n", get_mode_name(attr->modes.load_store_mode));
- }
if(attr->stack_entity != NULL) {
fprintf(F, " stack entity %s\n", get_entity_name(attr->stack_entity));
}
tarval_snprintf(buf, sizeof(buf), attr->tv);
fprintf(F, " tarval %s\n", buf);
}
- if(attr->symconst_id != NULL) {
- fprintf(F, " symconst '%s'\n", get_id_str(attr->symconst_id));
+ if(attr->symconst != NULL) {
+ fprintf(F, " symconst '%s'\n", get_entity_name(attr->symconst));
}
fprintf(F, "=== mips attr end ===\n");
* |___/
***************************************************************************************************/
-/**
- * Wraps get_irn_generic_attr() as it takes no const ir_node, so we need to do a cast.
- * Firm was made by people hating const :-(
- */
-mips_attr_t *get_mips_attr(const ir_node *node) {
+mips_attr_t *get_mips_attr(ir_node *node) {
assert(is_mips_irn(node) && "need mips node to get attributes");
- return (mips_attr_t *)get_irn_generic_attr((ir_node *)node);
+ return (mips_attr_t *) get_irn_generic_attr(node);
+}
+
+const mips_attr_t *get_mips_attr_const(const ir_node *node) {
+ assert(is_mips_irn(node) && "need mips node to get attributes");
+ return get_irn_generic_attr_const(node);
}
/**
* Returns the argument register requirements of a mips node.
*/
-const mips_register_req_t **get_mips_in_req_all(const ir_node *node) {
- mips_attr_t *attr = get_mips_attr(node);
+const arch_register_req_t **get_mips_in_req_all(const ir_node *node) {
+ const mips_attr_t *attr = get_mips_attr_const(node);
return attr->in_req;
}
/**
* Returns the result register requirements of an mips node.
*/
-const mips_register_req_t **get_mips_out_req_all(const ir_node *node) {
- mips_attr_t *attr = get_mips_attr(node);
+const arch_register_req_t **get_mips_out_req_all(const ir_node *node) {
+ const mips_attr_t *attr = get_mips_attr_const(node);
return attr->out_req;
}
/**
* Returns the argument register requirement at position pos of an mips node.
*/
-const mips_register_req_t *get_mips_in_req(const ir_node *node, int pos) {
- mips_attr_t *attr = get_mips_attr(node);
+const arch_register_req_t *get_mips_in_req(const ir_node *node, int pos) {
+ const mips_attr_t *attr = get_mips_attr_const(node);
return attr->in_req[pos];
}
/**
* Returns the result register requirement at position pos of an mips node.
*/
-const mips_register_req_t *get_mips_out_req(const ir_node *node, int pos) {
- mips_attr_t *attr = get_mips_attr(node);
+const arch_register_req_t *get_mips_out_req(const ir_node *node, int pos) {
+ const mips_attr_t *attr = get_mips_attr_const(node);
return attr->out_req[pos];
}
/**
* Sets the OUT register requirements at position pos.
*/
-void set_mips_req_out(ir_node *node, const mips_register_req_t *req, int pos) {
+void set_mips_req_out(ir_node *node, const arch_register_req_t *req, int pos) {
mips_attr_t *attr = get_mips_attr(node);
attr->out_req[pos] = req;
}
/**
* Sets the IN register requirements at position pos.
*/
-void set_mips_req_in(ir_node *node, const mips_register_req_t *req, int pos) {
+void set_mips_req_in(ir_node *node, const arch_register_req_t *req, int pos) {
mips_attr_t *attr = get_mips_attr(node);
attr->in_req[pos] = req;
}
* Returns the register flag of an mips node.
*/
arch_irn_flags_t get_mips_flags(const ir_node *node) {
- mips_attr_t *attr = get_mips_attr(node);
+ const mips_attr_t *attr = get_mips_attr_const(node);
return attr->flags;
}
/**
* Sets the register flag of an mips node.
*/
-void set_mips_flags(const ir_node *node, arch_irn_flags_t flags) {
+void set_mips_flags(ir_node *node, arch_irn_flags_t flags) {
mips_attr_t *attr = get_mips_attr(node);
attr->flags = flags;
}
* Returns the result register slots of an mips node.
*/
const arch_register_t **get_mips_slots(const ir_node *node) {
- mips_attr_t *attr = get_mips_attr(node);
+ const mips_attr_t *attr = get_mips_attr_const(node);
return attr->slots;
}
* Returns the name of the OUT register at position pos.
*/
const char *get_mips_out_reg_name(const ir_node *node, int pos) {
- mips_attr_t *attr = get_mips_attr(node);
+ const mips_attr_t *attr = get_mips_attr_const(node);
assert(is_mips_irn(node) && "Not an mips node.");
- assert(pos < attr->n_res && "Invalid OUT position.");
+ assert(pos < ARR_LEN(attr->slots) && "Invalid OUT position.");
assert(attr->slots[pos] && "No register assigned");
return arch_register_get_name(attr->slots[pos]);
* Returns the index of the OUT register at position pos within its register class.
*/
int get_mips_out_regnr(const ir_node *node, int pos) {
- mips_attr_t *attr = get_mips_attr(node);
+ const mips_attr_t *attr = get_mips_attr_const(node);
assert(is_mips_irn(node) && "Not an mips node.");
- assert(pos < attr->n_res && "Invalid OUT position.");
+ assert(pos < ARR_LEN(attr->slots) && "Invalid OUT position.");
assert(attr->slots[pos] && "No register assigned");
return arch_register_get_index(attr->slots[pos]);
* Returns the OUT register at position pos.
*/
const arch_register_t *get_mips_out_reg(const ir_node *node, int pos) {
- mips_attr_t *attr = get_mips_attr(node);
+ const mips_attr_t *attr = get_mips_attr_const(node);
assert(is_mips_irn(node) && "Not an mips node.");
- assert(pos < attr->n_res && "Invalid OUT position.");
+ assert(pos < ARR_LEN(attr->slots) && "Invalid OUT position.");
assert(attr->slots[pos] && "No register assigned");
return attr->slots[pos];
}
-/**
- * Sets the number of results.
- */
-void set_mips_n_res(ir_node *node, int n_res) {
- mips_attr_t *attr = get_mips_attr(node);
- attr->n_res = n_res;
-}
-
/**
* Returns the number of results.
*/
int get_mips_n_res(const ir_node *node) {
- mips_attr_t *attr = get_mips_attr(node);
- return attr->n_res;
+ const mips_attr_t *attr = get_mips_attr_const(node);
+ return ARR_LEN(attr->slots);
}
/**
* Initializes the nodes attributes.
*/
-void init_mips_attributes(ir_node *node, arch_irn_flags_t flags, const mips_register_req_t **in_reqs,
- const mips_register_req_t **out_reqs, int n_res, unsigned latency)
+void init_mips_attributes(ir_node *node, arch_irn_flags_t flags, const arch_register_req_t **in_reqs,
+ const arch_register_req_t **out_reqs,
+ const be_execution_unit_t ***execution_units,
+ int n_res, unsigned latency)
{
- mips_attr_t *attr = get_mips_attr(node);
+ ir_graph *irg = get_irn_irg(node);
+ struct obstack *obst = get_irg_obstack(irg);
+ mips_attr_t *attr = get_mips_attr(node);
- attr->flags = flags;
+ attr->flags = flags;
attr->out_req = out_reqs;
+ attr->in_req = in_reqs;
- attr->n_res = n_res;
- attr->in_req = in_reqs;
+ attr->slots = NEW_ARR_D(const arch_register_t*, obst, n_res);
+ memset(attr->slots, 0, n_res * sizeof(attr->slots[0]));
+}
- memset((void *)attr->slots, 0, n_res * sizeof(attr->slots[0]));
+static
+int mips_compare_attr(ir_node *node_a, ir_node *node_b)
+{
+ const mips_attr_t *a = get_mips_attr_const(node_a);
+ const mips_attr_t *b = get_mips_attr_const(node_b);
+
+ if(a->tv != b->tv)
+ return 1;
+ if(a->symconst != b->symconst)
+ return 1;
+ if(a->stack_entity != b->stack_entity)
+ return 1;
+ if(a->flags != b->flags)
+ return 1;
+ if(ARR_LEN(a->slots) != ARR_LEN(b->slots))
+ return 1;
+ if(a->switch_default_pn != b->switch_default_pn)
+ return 1;
+
+ return 0;
}
/************************************************************************
* |___/
************************************************************************/
+#if 0
// test if a tarval can be expressed in a 16bit immediate value
static int is_tarval_16(ir_node* node)
{
mips_attr_t *attr, *op_attr = get_mips_attr(op2); \
long val = get_tarval_long(op_attr->tv); \
result = new_rd_mips_##inode(get_irn_dbg_info(node), get_irn_irg(node), get_nodes_block(node), \
- op1, get_irn_mode(node)); \
+ op1); \
attr = get_mips_attr(result); \
attr->tv = new_tarval_from_long(val, get_mode_sign(get_irn_mode(node)) ? mode_Hs : mode_Hu); \
return result; \
mips_attr_t *attr, *op_attr = get_mips_attr(op1); \
long val = get_tarval_long(op_attr->tv); \
result = new_rd_mips_##inode(get_irn_dbg_info(node), get_irn_irg(node), get_nodes_block(node), \
- op2, get_irn_mode(node)); \
+ op2); \
attr = get_mips_attr(result); \
attr->tv = new_tarval_from_long(val, get_mode_sign(get_irn_mode(node)) ? mode_Hs : mode_Hu); \
return result; \
return node; \
}
-MIPS_MAKE_IFOLDING_TRANSFORM(add, addi, 1)
+MIPS_MAKE_IFOLDING_TRANSFORM(addu, addiu, 1)
MIPS_MAKE_IFOLDING_TRANSFORM(and, andi, 1)
MIPS_MAKE_IFOLDING_TRANSFORM(or, ori, 1)
MIPS_MAKE_IFOLDING_TRANSFORM(sra, srai, 0)
MIPS_MAKE_IFOLDING_TRANSFORM(slt, slti, 0)
void mips_init_opcode_transforms(void) {
- op_mips_add->ops.transform_node = mips_transform_add;
+ op_mips_addu->ops.transform_node = mips_transform_addu;
op_mips_and->ops.transform_node = mips_transform_and;
op_mips_or->ops.transform_node = mips_transform_or;
op_mips_sra->ops.transform_node = mips_transform_sra;
op_mips_sr->ops.transform_node = mips_transform_sr;
op_mips_slt->ops.transform_node = mips_transform_slt;
}
+#endif
/***************************************************************************************
* _ _ _