+/*
+ * 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.
+ */
+
/* mips emitter */
/* $Id$ */
-
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "irargs_t.h"
#include "irprog_t.h"
#include "irouts.h"
+#include "error.h"
#include "../besched.h"
#include "../benode_t.h"
FILE *F = env->out;
int offset = be_get_IncSP_offset(node);
- if(offset == 0)
+ if(offset == 0) {
+ fprintf(F, "\t\t\t\t # omitted IncSP with 0\n");
return;
+ }
- if(be_get_IncSP_direction(node) != be_stack_dir_expand)
- offset = -offset;
+ if(offset > 0xffff || offset < -0xffff) {
+ panic("stackframe > 2^16 bytes not supported yet\n");
+ }
- fprintf(F, "\taddi $sp, $sp, %d\n", -offset);
+ if(offset > 0) {
+ fprintf(F, "\tsubu $sp, $sp, %d\n", offset);
+ } else {
+ fprintf(F, "\taddu $sp, $sp, %d\n", -offset);
+ }
}
static void mips_emit_Copy(const ir_node *node, mips_emit_env_t *env)
{
FILE *F = env->out;
- lc_efprintf(mips_get_arg_env(), F, "\tor %1D, $zero, %1S\t\t\t# copy\n", node, node);
+ lc_efprintf(mips_get_arg_env(), F, "\tmove %1D, %1S\t\t\t# copy\n", node, node);
}
static void mips_emit_Return(const ir_node* node, mips_emit_env_t *env)
static void mips_emit_Spill(const ir_node* node, mips_emit_env_t *env)
{
- FILE *F = env->out;
- entity *ent = be_get_frame_entity(node);
+ FILE *F = env->out;
+ ir_entity *ent = be_get_frame_entity(node);
- lc_efprintf(mips_get_arg_env(), F, "\tsw %1S, %d($fp)\n", node, get_entity_offset_bytes(ent));
+ lc_efprintf(mips_get_arg_env(), F, "\tsw %1S, %d($fp)\n", node, get_entity_offset(ent));
}
static void mips_emit_Reload(const ir_node* node, mips_emit_env_t *env)
{
- FILE *F = env->out;
- entity *ent = be_get_frame_entity(node);
+ FILE *F = env->out;
+ ir_entity *ent = be_get_frame_entity(node);
- lc_efprintf(mips_get_arg_env(), F, "\tlw %1D, %d($fp)\n", node, get_entity_offset_bytes(ent));
+ lc_efprintf(mips_get_arg_env(), F, "\tlw %1D, %d($fp)\n", node, get_entity_offset(ent));
}
/************************************************************************/
const arch_register_t *callee_reg;
// call to imediate value (label)
- entity *callee = be_Call_get_entity(node);
+ ir_entity *callee = be_Call_get_entity(node);
if(callee != NULL) {
fprintf(F, "\tjal %s\n", get_entity_name(callee));
return;
irg_walk_graph(irg, NULL, dump_jump_tables, F);
fprintf(F, "\n\n");
- fprintf(F, "# Function Start of %s\n", irg_name);
+ fprintf(F, "\t.balign\t4\n");
+ fprintf(F, "\t.global\t%s\n", irg_name);
+ fprintf(F, "\t.set\tnomips16\n");
+ fprintf(F, "\t.ent\t%s\n", irg_name);
fprintf(F, "%s:\n", irg_name);
+ fprintf(F, "\t.frame\t$fp, 24, $ra\n");
+ fprintf(F, "\t.mask\t0xc0000000, -4\n");
+ fprintf(F, "\t.fmask\t0x00000000, 0\n");
}
/**
void mips_emit_end(FILE *F, ir_graph *irg)
{
const char *irg_name = get_entity_name(get_irg_entity(irg));
-
- fprintf(F, "# End of function %s we should never get here...\n", irg_name);
- fprintf(F, "\tjal exit\n");
+ fprintf(F, "\t.end\t%s\n", irg_name);
}
/**